From 86608c6770cf08c138a2bdab5855072f64be09ef Mon Sep 17 00:00:00 2001 From: joshua Date: Sat, 30 Dec 2023 23:54:31 -0500 Subject: initial commit --- .../STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_jpeg.c | 4199 ++++++++++++++++++++ 1 file changed, 4199 insertions(+) create mode 100644 Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_jpeg.c (limited to 'Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_jpeg.c') diff --git a/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_jpeg.c b/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_jpeg.c new file mode 100644 index 0000000..1b4ff3e --- /dev/null +++ b/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_jpeg.c @@ -0,0 +1,4199 @@ +/** + ****************************************************************************** + * @file stm32h7xx_hal_jpeg.c + * @author MCD Application Team + * @brief JPEG HAL module driver. + * This file provides firmware functions to manage the following + * functionalities of the JPEG encoder/decoder peripheral: + * + Initialization and de-initialization functions + * + JPEG processing functions encoding and decoding + * + JPEG decoding Getting Info and encoding configuration setting + * + JPEG enable/disable header parsing functions (for decoding) + * + JPEG Input/Output Buffer configuration. + * + JPEG callback functions + * + JPEG Abort/Pause/Resume functions + * + JPEG custom quantization tables setting functions + * + IRQ handler management + * + Peripheral State and Error functions + * + ****************************************************************************** + * @attention + * + * Copyright (c) 2017 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + @verbatim + ============================================================================== + ##### How to use this driver ##### + ============================================================================== + [..] + (#) Initialize the JPEG peripheral using HAL_JPEG_Init : No initialization parameters are required. + Only the call to HAL_JPEG_Init is necessary to initialize the JPEG peripheral. + + (#) If operation is JPEG encoding use function HAL_JPEG_ConfigEncoding to set + the encoding parameters (mandatory before calling the encoding function). + the application can change the encoding parameter ImageQuality from + 1 to 100 to obtain a more or less quality (visual quality vs the original row image), + and inversely more or less jpg file size. + + (#) Note that for decoding operation the JPEG peripheral output data are organized in + YCbCr blocks called MCU (Minimum Coded Unit) as defioned in the JPEG specification + ISO/IEC 10918-1 standard. + It is up to the application to transform these YCbCr blocks to RGB data that can be display. + + Respectively, for Encoding operation the JPEG peripheral input should be organized + in YCbCr MCU blocks. It is up to the application to perform the necessary RGB to YCbCr + MCU blocks transformation before feeding the JPEG peripheral with data. + + (#) Use functions HAL_JPEG_Encode and HAL_JPEG_Decode to start respectively + a JPEG encoding/decoding operation in polling method (blocking). + + (#) Use functions HAL_JPEG_Encode_IT and HAL_JPEG_Decode_IT to start respectively + a JPEG encoding/decoding operation with Interrupt method (not blocking). + + (#) Use functions HAL_JPEG_Encode_DMA and HAL_JPEG_Decode_DMA to start respectively + a JPEG encoding/decoding operation with DMA method (not blocking). + + (#) Callback HAL_JPEG_InfoReadyCallback is asserted if the current operation + is a JPEG decoding to provide the application with JPEG image parameters. + This callback is asserted when the JPEG peripheral successfully parse the + JPEG header. + + (#) Callback HAL_JPEG_GetDataCallback is asserted for both encoding and decoding + operations to inform the application that the input buffer has been + consumed by the peripheral and to ask for a new data chunk if the operation + (encoding/decoding) has not been complete yet. + + (++) This CallBack should be implemented in the application side. It should + call the function HAL_JPEG_ConfigInputBuffer if new input data are available, + or call HAL_JPEG_Pause with parameter XferSelection set to JPEG_PAUSE_RESUME_INPUT + to inform the JPEG HAL driver that the ongoing operation shall pause waiting for the + application to provide a new input data chunk. + Once the application succeed getting new data and if the input has been paused, + the application can call the function HAL_JPEG_ConfigInputBuffer to set the new + input buffer and size, then resume the JPEG HAL input by calling new function HAL_JPEG_Resume. + If the application has ended feeding the HAL JPEG with input data (no more input data), the application + Should call the function HAL_JPEG_ConfigInputBuffer (within the callback HAL_JPEG_GetDataCallback) + with the parameter InDataLength set to zero. + + (++) The mechanism of HAL_JPEG_ConfigInputBuffer/HAL_JPEG_Pause/HAL_JPEG_Resume allows + to the application to provide the input data (for encoding or decoding) by chunks. + If the new input data chunk is not available (because data should be read from an input file + for example) the application can pause the JPEG input (using function HAL_JPEG_Pause) + Once the new input data chunk is available ( read from a file for example), the application + can call the function HAL_JPEG_ConfigInputBuffer to provide the HAL with the new chunk + then resume the JPEG HAL input by calling function HAL_JPEG_Resume. + + (++) The application can call functions HAL_JPEG_ConfigInputBuffer then HAL_JPEG_Resume. + any time (outside the HAL_JPEG_GetDataCallback) Once the new input chunk data available. + However, to keep data coherency, the function HAL_JPEG_Pause must be imperatively called + (if necessary) within the callback HAL_JPEG_GetDataCallback, i.e when the HAL JPEG has ended + Transferring the previous chunk buffer to the JPEG peripheral. + + (#) Callback HAL_JPEG_DataReadyCallback is asserted when the HAL JPEG driver + has filled the given output buffer with the given size. + + (++) This CallBack should be implemented in the application side. It should + call the function HAL_JPEG_ConfigOutputBuffer to provide the HAL JPEG driver + with the new output buffer location and size to be used to store next data chunk. + if the application is not ready to provide the output chunk location then it can + call the function HAL_JPEG_Pause with parameter XferSelection set to JPEG_PAUSE_RESUME_OUTPUT + to inform the JPEG HAL driver that it shall pause output data. Once the application + is ready to receive the new data chunk (output buffer location free or available) it should call + the function HAL_JPEG_ConfigOutputBuffer to provide the HAL JPEG driver + with the new output chunk buffer location and size, then call HAL_JPEG_Resume + to inform the HAL that it shall resume outputting data in the given output buffer. + + (++) The mechanism of HAL_JPEG_ConfigOutputBuffer/HAL_JPEG_Pause/HAL_JPEG_Resume allows + the application to receive data from the JPEG peripheral by chunks. when a chunk + is received, the application can pause the HAL JPEG output data to be able to process + these received data (YCbCr to RGB conversion in case of decoding or data storage in case + of encoding). + + (++) The application can call functions HAL_JPEG_ ConfigOutputBuffer then HAL_JPEG_Resume. + any time (outside the HAL_JPEG_DataReadyCallback) Once the output data buffer is free to use. + However, to keep data coherency, the function HAL_JPEG_Pause must be imperatively called + (if necessary) within the callback HAL_JPEG_ DataReadyCallback, i.e when the HAL JPEG has ended + Transferring the previous chunk buffer from the JPEG peripheral to the application. + + (#) Callback HAL_JPEG_EncodeCpltCallback is asserted when the HAL JPEG driver has + ended the current JPEG encoding operation, and all output data has been transmitted + to the application. + + (#) Callback HAL_JPEG_DecodeCpltCallback is asserted when the HAL JPEG driver has + ended the current JPEG decoding operation. and all output data has been transmitted + to the application. + + (#) Callback HAL_JPEG_ErrorCallback is asserted when an error occurred during + the current operation. the application can call the function HAL_JPEG_GetError() + to retrieve the error codes. + + (#) By default the HAL JPEG driver uses the default quantization tables + as provide in the JPEG specification (ISO/IEC 10918-1 standard) for encoding. + User can change these default tables if necessary using the function HAL_JPEG_SetUserQuantTables + Note that for decoding the quantization tables are automatically extracted from + the JPEG header. + + (#) To control JPEG state you can use the following function: HAL_JPEG_GetState() + + *** JPEG HAL driver macros list *** + ============================================= + [..] + Below the list of most used macros in JPEG HAL driver. + + (+) __HAL_JPEG_RESET_HANDLE_STATE : Reset JPEG handle state. + (+) __HAL_JPEG_ENABLE : Enable the JPEG peripheral. + (+) __HAL_JPEG_DISABLE : Disable the JPEG peripheral. + (+) __HAL_JPEG_GET_FLAG : Check the specified JPEG status flag. + (+) __HAL_JPEG_CLEAR_FLAG : Clear the specified JPEG status flag. + (+) __HAL_JPEG_ENABLE_IT : Enable the specified JPEG Interrupt. + (+) __HAL_JPEG_DISABLE_IT : Disable the specified JPEG Interrupt. + (+) __HAL_JPEG_GET_IT_SOURCE : returns the state of the specified JPEG Interrupt (Enabled or disabled). + + *** Callback registration *** + ============================================= + + The compilation define USE_HAL_JPEG_REGISTER_CALLBACKS when set to 1 + allows the user to configure dynamically the driver callbacks. + Use Functions HAL_JPEG_RegisterCallback() or HAL_JPEG_RegisterXXXCallback() + to register an interrupt callback. + + Function HAL_JPEG_RegisterCallback() allows to register following callbacks: + (+) EncodeCpltCallback : callback for end of encoding operation. + (+) DecodeCpltCallback : callback for end of decoding operation. + (+) ErrorCallback : callback for error detection. + (+) MspInitCallback : JPEG MspInit. + (+) MspDeInitCallback : JPEG MspDeInit. + This function takes as parameters the HAL peripheral handle, the Callback ID + and a pointer to the user callback function. + + For specific callbacks InfoReadyCallback, GetDataCallback and DataReadyCallback use dedicated + register callbacks : respectively HAL_JPEG_RegisterInfoReadyCallback(), + HAL_JPEG_RegisterGetDataCallback() and HAL_JPEG_RegisterDataReadyCallback(). + + Use function HAL_JPEG_UnRegisterCallback() to reset a callback to the default + weak function. + HAL_JPEG_UnRegisterCallback() takes as parameters the HAL peripheral handle, + and the Callback ID. + This function allows to reset following callbacks: + (+) EncodeCpltCallback : callback for end of encoding operation. + (+) DecodeCpltCallback : callback for end of decoding operation. + (+) ErrorCallback : callback for error detection. + (+) MspInitCallback : JPEG MspInit. + (+) MspDeInitCallback : JPEG MspDeInit. + + For callbacks InfoReadyCallback, GetDataCallback and DataReadyCallback use dedicated + unregister callbacks : respectively HAL_JPEG_UnRegisterInfoReadyCallback(), + HAL_JPEG_UnRegisterGetDataCallback() and HAL_JPEG_UnRegisterDataReadyCallback(). + + By default, after the HAL_JPEG_Init() and when the state is HAL_JPEG_STATE_RESET + all callbacks are set to the corresponding weak functions : + examples HAL_JPEG_DecodeCpltCallback() , HAL_JPEG_GetDataCallback(). + Exception done for MspInit and MspDeInit functions that are + reset to the legacy weak function in the HAL_JPEG_Init()/ HAL_JPEG_DeInit() only when + these callbacks are null (not registered beforehand). + if not, MspInit or MspDeInit are not null, the HAL_JPEG_Init() / HAL_JPEG_DeInit() + keep and use the user MspInit/MspDeInit functions (registered beforehand) + + Callbacks can be registered/unregistered in HAL_JPEG_STATE_READY state only. + Exception done MspInit/MspDeInit callbacks that can be registered/unregistered + in HAL_JPEG_STATE_READY or HAL_JPEG_STATE_RESET state, + thus registered (user) MspInit/DeInit callbacks can be used during the Init/DeInit. + In that case first register the MspInit/MspDeInit user callbacks + using HAL_JPEG_RegisterCallback() before calling HAL_JPEG_DeInit() + or HAL_JPEG_Init() function. + + When The compilation define USE_HAL_JPEG_REGISTER_CALLBACKS is set to 0 or + not defined, the callback registration feature is not available and all callbacks + are set to the corresponding weak functions. + + @endverbatim + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32h7xx_hal.h" + +/** @addtogroup STM32H7xx_HAL_Driver + * @{ + */ + +#ifdef HAL_JPEG_MODULE_ENABLED + +#if defined (JPEG) + +/** @defgroup JPEG JPEG + * @brief JPEG HAL module driver. + * @{ + */ + +/* Private define ------------------------------------------------------------*/ +/** @addtogroup JPEG_Private_Constants + * @{ + */ +#define JPEG_TIMEOUT_VALUE ((uint32_t)1000) /* 1s */ +#define JPEG_AC_HUFF_TABLE_SIZE ((uint32_t)162) /* Huffman AC table size : 162 codes*/ +#define JPEG_DC_HUFF_TABLE_SIZE ((uint32_t)12) /* Huffman AC table size : 12 codes*/ + +#define JPEG_FIFO_SIZE ((uint32_t)16U) /* JPEG Input/Output HW FIFO size in words*/ + +#define JPEG_FIFO_TH_SIZE ((uint32_t)8U) /* JPEG Input/Output HW FIFO Threshold in words*/ + +#define JPEG_INTERRUPT_MASK ((uint32_t)0x0000007EU) /* JPEG Interrupt Mask*/ + +#define JPEG_CONTEXT_ENCODE ((uint32_t)0x00000001) /* JPEG context : operation is encoding*/ +#define JPEG_CONTEXT_DECODE ((uint32_t)0x00000002) /* JPEG context : operation is decoding*/ +#define JPEG_CONTEXT_OPERATION_MASK ((uint32_t)0x00000003) /* JPEG context : operation Mask */ + +#define JPEG_CONTEXT_POLLING ((uint32_t)0x00000004) /* JPEG context : Transfer use Polling */ +#define JPEG_CONTEXT_IT ((uint32_t)0x00000008) /* JPEG context : Transfer use Interrupt */ +#define JPEG_CONTEXT_DMA ((uint32_t)0x0000000C) /* JPEG context : Transfer use DMA */ +#define JPEG_CONTEXT_METHOD_MASK ((uint32_t)0x0000000C) /* JPEG context : Transfer Mask */ + + +#define JPEG_CONTEXT_CONF_ENCODING ((uint32_t)0x00000100) /* JPEG context : encoding config done */ + +#define JPEG_CONTEXT_PAUSE_INPUT ((uint32_t)0x00001000) /* JPEG context : Pause Input */ +#define JPEG_CONTEXT_PAUSE_OUTPUT ((uint32_t)0x00002000) /* JPEG context : Pause Output */ + +#define JPEG_CONTEXT_CUSTOM_TABLES ((uint32_t)0x00004000) /* JPEG context : Use custom quantization tables */ + +#define JPEG_CONTEXT_ENDING_DMA ((uint32_t)0x00008000) /* JPEG context : ending with DMA in progress */ + +#define JPEG_PROCESS_ONGOING ((uint32_t)0x00000000) /* Process is on going */ +#define JPEG_PROCESS_DONE ((uint32_t)0x00000001) /* Process is done (ends) */ +/** + * @} + */ + +/* Private typedef -----------------------------------------------------------*/ +/** @addtogroup JPEG_Private_Types + * @{ + */ + +/* + JPEG Huffman Table Structure definition : + This implementation of Huffman table structure is compliant with ISO/IEC 10918-1 standard , Annex C Huffman Table specification + */ +typedef struct +{ + /* These two fields directly represent the contents of a JPEG DHT marker */ + uint8_t Bits[16]; /*!< bits[k] = # of symbols with codes of length k bits, this parameter corresponds to BITS list in the Annex C */ + + uint8_t HuffVal[162]; /*!< The symbols, in order of incremented code length, this parameter corresponds to HUFFVAL list in the Annex C */ + + +} JPEG_ACHuffTableTypeDef; + +typedef struct +{ + /* These two fields directly represent the contents of a JPEG DHT marker */ + uint8_t Bits[16]; /*!< bits[k] = # of symbols with codes of length k bits, this parameter corresponds to BITS list in the Annex C */ + + uint8_t HuffVal[12]; /*!< The symbols, in order of incremented code length, this parameter corresponds to HUFFVAL list in the Annex C */ + + +} JPEG_DCHuffTableTypeDef; + +typedef struct +{ + uint8_t CodeLength[JPEG_AC_HUFF_TABLE_SIZE]; /*!< Code length */ + + uint32_t HuffmanCode[JPEG_AC_HUFF_TABLE_SIZE]; /*!< HuffmanCode */ + +} JPEG_AC_HuffCodeTableTypeDef; + +typedef struct +{ + uint8_t CodeLength[JPEG_DC_HUFF_TABLE_SIZE]; /*!< Code length */ + + uint32_t HuffmanCode[JPEG_DC_HUFF_TABLE_SIZE]; /*!< HuffmanCode */ + +} JPEG_DC_HuffCodeTableTypeDef; +/** + * @} + */ + +/* Private macro -------------------------------------------------------------*/ + +/* Private variables ---------------------------------------------------------*/ +/** @addtogroup JPEG_Private_Variables + * @{ + */ + +static const JPEG_DCHuffTableTypeDef JPEG_DCLUM_HuffTable = +{ + { 0, 1, 5, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0 }, /*Bits*/ + + { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0xa, 0xb } /*HUFFVAL */ + +}; + +static const JPEG_DCHuffTableTypeDef JPEG_DCCHROM_HuffTable = +{ + { 0, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 }, /*Bits*/ + + { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0xa, 0xb } /*HUFFVAL */ +}; + +static const JPEG_ACHuffTableTypeDef JPEG_ACLUM_HuffTable = +{ + { 0, 2, 1, 3, 3, 2, 4, 3, 5, 5, 4, 4, 0, 0, 1, 0x7d }, /*Bits*/ + + { + 0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, /*HUFFVAL */ + 0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07, + 0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xa1, 0x08, + 0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52, 0xd1, 0xf0, + 0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16, + 0x17, 0x18, 0x19, 0x1a, 0x25, 0x26, 0x27, 0x28, + 0x29, 0x2a, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, + 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, + 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, + 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, + 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, + 0x7a, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, + 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, + 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, + 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, + 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5, + 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4, + 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe1, 0xe2, + 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, + 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, + 0xf9, 0xfa + } +}; + +static const JPEG_ACHuffTableTypeDef JPEG_ACCHROM_HuffTable = +{ + { 0, 2, 1, 2, 4, 4, 3, 4, 7, 5, 4, 4, 0, 1, 2, 0x77 }, /*Bits*/ + + { + 0x00, 0x01, 0x02, 0x03, 0x11, 0x04, 0x05, 0x21, /*HUFFVAL */ + 0x31, 0x06, 0x12, 0x41, 0x51, 0x07, 0x61, 0x71, + 0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91, + 0xa1, 0xb1, 0xc1, 0x09, 0x23, 0x33, 0x52, 0xf0, + 0x15, 0x62, 0x72, 0xd1, 0x0a, 0x16, 0x24, 0x34, + 0xe1, 0x25, 0xf1, 0x17, 0x18, 0x19, 0x1a, 0x26, + 0x27, 0x28, 0x29, 0x2a, 0x35, 0x36, 0x37, 0x38, + 0x39, 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, + 0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, + 0x59, 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, + 0x69, 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, + 0x79, 0x7a, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, + 0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, + 0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, + 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, + 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, + 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, + 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, + 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, + 0xea, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, + 0xf9, 0xfa + } +}; + +static const uint8_t JPEG_ZIGZAG_ORDER[JPEG_QUANT_TABLE_SIZE] = +{ + 0, 1, 8, 16, 9, 2, 3, 10, + 17, 24, 32, 25, 18, 11, 4, 5, + 12, 19, 26, 33, 40, 48, 41, 34, + 27, 20, 13, 6, 7, 14, 21, 28, + 35, 42, 49, 56, 57, 50, 43, 36, + 29, 22, 15, 23, 30, 37, 44, 51, + 58, 59, 52, 45, 38, 31, 39, 46, + 53, 60, 61, 54, 47, 55, 62, 63 +}; +/** + * @} + */ + +/* Private function prototypes -----------------------------------------------*/ +/** @addtogroup JPEG_Private_Functions_Prototypes + * @{ + */ + +static HAL_StatusTypeDef JPEG_Bits_To_SizeCodes(uint8_t *Bits, uint8_t *Huffsize, uint32_t *Huffcode, uint32_t *LastK); +static HAL_StatusTypeDef JPEG_DCHuff_BitsVals_To_SizeCodes(JPEG_DCHuffTableTypeDef *DC_BitsValsTable, + JPEG_DC_HuffCodeTableTypeDef *DC_SizeCodesTable); +static HAL_StatusTypeDef JPEG_ACHuff_BitsVals_To_SizeCodes(JPEG_ACHuffTableTypeDef *AC_BitsValsTable, + JPEG_AC_HuffCodeTableTypeDef *AC_SizeCodesTable); +static HAL_StatusTypeDef JPEG_Set_HuffDC_Mem(JPEG_HandleTypeDef *hjpeg, JPEG_DCHuffTableTypeDef *HuffTableDC, + const __IO uint32_t *DCTableAddress); +static HAL_StatusTypeDef JPEG_Set_HuffAC_Mem(JPEG_HandleTypeDef *hjpeg, JPEG_ACHuffTableTypeDef *HuffTableAC, + const __IO uint32_t *ACTableAddress); +static HAL_StatusTypeDef JPEG_Set_HuffEnc_Mem(JPEG_HandleTypeDef *hjpeg); +static void JPEG_Set_Huff_DHTMem(JPEG_HandleTypeDef *hjpeg); +static uint32_t JPEG_Set_Quantization_Mem(JPEG_HandleTypeDef *hjpeg, uint8_t *QTable, + __IO uint32_t *QTableAddress); +static void JPEG_SetColorYCBCR(JPEG_HandleTypeDef *hjpeg); +static void JPEG_SetColorGrayScale(JPEG_HandleTypeDef *hjpeg); +static void JPEG_SetColorCMYK(JPEG_HandleTypeDef *hjpeg); + +static void JPEG_Init_Process(JPEG_HandleTypeDef *hjpeg); +static uint32_t JPEG_Process(JPEG_HandleTypeDef *hjpeg); +static void JPEG_ReadInputData(JPEG_HandleTypeDef *hjpeg, uint32_t nbRequestWords); +static void JPEG_StoreOutputData(JPEG_HandleTypeDef *hjpeg, uint32_t nbOutputWords); +static uint32_t JPEG_GetQuality(JPEG_HandleTypeDef *hjpeg); + +static HAL_StatusTypeDef JPEG_DMA_StartProcess(JPEG_HandleTypeDef *hjpeg); +static void JPEG_DMA_ContinueProcess(JPEG_HandleTypeDef *hjpeg); +static void JPEG_DMA_EndProcess(JPEG_HandleTypeDef *hjpeg); +static void JPEG_DMA_PollResidualData(JPEG_HandleTypeDef *hjpeg); +static void JPEG_MDMAOutCpltCallback(MDMA_HandleTypeDef *hmdma); +static void JPEG_MDMAInCpltCallback(MDMA_HandleTypeDef *hmdma); +static void JPEG_MDMAErrorCallback(MDMA_HandleTypeDef *hmdma); +static void JPEG_MDMAOutAbortCallback(MDMA_HandleTypeDef *hmdma); + +/** + * @} + */ + +/** @defgroup JPEG_Exported_Functions JPEG Exported Functions + * @{ + */ + +/** @defgroup JPEG_Exported_Functions_Group1 Initialization and de-initialization functions + * @brief Initialization and de-initialization functions. + * +@verbatim + ============================================================================== + ##### Initialization and de-initialization functions ##### + ============================================================================== + [..] This section provides functions allowing to: + (+) Initialize the JPEG peripheral and creates the associated handle + (+) DeInitialize the JPEG peripheral + +@endverbatim + * @{ + */ + +/** + * @brief Initializes the JPEG according to the specified + * parameters in the JPEG_InitTypeDef and creates the associated handle. + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @retval HAL status + */ +HAL_StatusTypeDef HAL_JPEG_Init(JPEG_HandleTypeDef *hjpeg) +{ + /* These are the sample quantization tables given in JPEG spec ISO/IEC 10918-1 standard , section K.1. */ + static const uint8_t JPEG_LUM_QuantTable[JPEG_QUANT_TABLE_SIZE] = + { + 16, 11, 10, 16, 24, 40, 51, 61, + 12, 12, 14, 19, 26, 58, 60, 55, + 14, 13, 16, 24, 40, 57, 69, 56, + 14, 17, 22, 29, 51, 87, 80, 62, + 18, 22, 37, 56, 68, 109, 103, 77, + 24, 35, 55, 64, 81, 104, 113, 92, + 49, 64, 78, 87, 103, 121, 120, 101, + 72, 92, 95, 98, 112, 100, 103, 99 + }; + static const uint8_t JPEG_CHROM_QuantTable[JPEG_QUANT_TABLE_SIZE] = + { + 17, 18, 24, 47, 99, 99, 99, 99, + 18, 21, 26, 66, 99, 99, 99, 99, + 24, 26, 56, 99, 99, 99, 99, 99, + 47, 66, 99, 99, 99, 99, 99, 99, + 99, 99, 99, 99, 99, 99, 99, 99, + 99, 99, 99, 99, 99, 99, 99, 99, + 99, 99, 99, 99, 99, 99, 99, 99, + 99, 99, 99, 99, 99, 99, 99, 99 + }; + + /* Check the JPEG handle allocation */ + if (hjpeg == NULL) + { + return HAL_ERROR; + } + +#if (USE_HAL_JPEG_REGISTER_CALLBACKS == 1) + if (hjpeg->State == HAL_JPEG_STATE_RESET) + { + /* Allocate lock resource and initialize it */ + hjpeg->Lock = HAL_UNLOCKED; + + hjpeg->InfoReadyCallback = HAL_JPEG_InfoReadyCallback; /* Legacy weak InfoReadyCallback */ + hjpeg->EncodeCpltCallback = HAL_JPEG_EncodeCpltCallback; /* Legacy weak EncodeCpltCallback */ + hjpeg->DecodeCpltCallback = HAL_JPEG_DecodeCpltCallback; /* Legacy weak DecodeCpltCallback */ + hjpeg->ErrorCallback = HAL_JPEG_ErrorCallback; /* Legacy weak ErrorCallback */ + hjpeg->GetDataCallback = HAL_JPEG_GetDataCallback; /* Legacy weak GetDataCallback */ + hjpeg->DataReadyCallback = HAL_JPEG_DataReadyCallback; /* Legacy weak DataReadyCallback */ + + if (hjpeg->MspInitCallback == NULL) + { + hjpeg->MspInitCallback = HAL_JPEG_MspInit; /* Legacy weak MspInit */ + } + + /* Init the low level hardware */ + hjpeg->MspInitCallback(hjpeg); + } +#else + if (hjpeg->State == HAL_JPEG_STATE_RESET) + { + /* Allocate lock resource and initialize it */ + hjpeg->Lock = HAL_UNLOCKED; + + /* Init the low level hardware : GPIO, CLOCK */ + HAL_JPEG_MspInit(hjpeg); + } +#endif /* USE_HAL_JPEG_REGISTER_CALLBACKS */ + + /* Change the JPEG state */ + hjpeg->State = HAL_JPEG_STATE_BUSY; + + /* Start the JPEG Core*/ + __HAL_JPEG_ENABLE(hjpeg); + + /* Stop the JPEG encoding/decoding process*/ + hjpeg->Instance->CONFR0 &= ~JPEG_CONFR0_START; + + /* Disable All Interrupts */ + __HAL_JPEG_DISABLE_IT(hjpeg, JPEG_INTERRUPT_MASK); + + + /* Flush input and output FIFOs*/ + hjpeg->Instance->CR |= JPEG_CR_IFF; + hjpeg->Instance->CR |= JPEG_CR_OFF; + + /* Clear all flags */ + __HAL_JPEG_CLEAR_FLAG(hjpeg, JPEG_FLAG_ALL); + + /* init default quantization tables*/ + hjpeg->QuantTable0 = (uint8_t *)((uint32_t)JPEG_LUM_QuantTable); + hjpeg->QuantTable1 = (uint8_t *)((uint32_t)JPEG_CHROM_QuantTable); + hjpeg->QuantTable2 = NULL; + hjpeg->QuantTable3 = NULL; + + /* init the default Huffman tables*/ + if (JPEG_Set_HuffEnc_Mem(hjpeg) != HAL_OK) + { + hjpeg->ErrorCode = HAL_JPEG_ERROR_HUFF_TABLE; + + return HAL_ERROR; + } + + /* Enable header processing*/ + hjpeg->Instance->CONFR1 |= JPEG_CONFR1_HDR; + + /* Reset JpegInCount and JpegOutCount */ + hjpeg->JpegInCount = 0; + hjpeg->JpegOutCount = 0; + + /* Change the JPEG state */ + hjpeg->State = HAL_JPEG_STATE_READY; + + /* Reset the JPEG ErrorCode */ + hjpeg->ErrorCode = HAL_JPEG_ERROR_NONE; + + /*Clear the context filelds*/ + hjpeg->Context = 0; + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief DeInitializes the JPEG peripheral. + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @retval HAL status + */ +HAL_StatusTypeDef HAL_JPEG_DeInit(JPEG_HandleTypeDef *hjpeg) +{ + /* Check the JPEG handle allocation */ + if (hjpeg == NULL) + { + return HAL_ERROR; + } + +#if (USE_HAL_JPEG_REGISTER_CALLBACKS == 1) + if (hjpeg->MspDeInitCallback == NULL) + { + hjpeg->MspDeInitCallback = HAL_JPEG_MspDeInit; /* Legacy weak MspDeInit */ + } + + /* DeInit the low level hardware */ + hjpeg->MspDeInitCallback(hjpeg); + +#else + /* DeInit the low level hardware: CLOCK, NVIC.*/ + HAL_JPEG_MspDeInit(hjpeg); +#endif /* USE_HAL_JPEG_REGISTER_CALLBACKS */ + + /* Change the JPEG state */ + hjpeg->State = HAL_JPEG_STATE_BUSY; + + /* Reset the JPEG ErrorCode */ + hjpeg->ErrorCode = HAL_JPEG_ERROR_NONE; + + /* Reset JpegInCount and JpegOutCount */ + hjpeg->JpegInCount = 0; + hjpeg->JpegOutCount = 0; + + /* Change the JPEG state */ + hjpeg->State = HAL_JPEG_STATE_RESET; + + /*Clear the context fields*/ + hjpeg->Context = 0; + + /* Release Lock */ + __HAL_UNLOCK(hjpeg); + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Initializes the JPEG MSP. + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @retval None + */ +__weak void HAL_JPEG_MspInit(JPEG_HandleTypeDef *hjpeg) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hjpeg); + + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_JPEG_MspInit could be implemented in the user file + */ +} + +/** + * @brief DeInitializes JPEG MSP. + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @retval None + */ +__weak void HAL_JPEG_MspDeInit(JPEG_HandleTypeDef *hjpeg) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hjpeg); + + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_JPEG_MspDeInit could be implemented in the user file + */ +} + +#if (USE_HAL_JPEG_REGISTER_CALLBACKS == 1) +/** + * @brief Register a User JPEG Callback + * To be used instead of the weak predefined callback + * @param hjpeg JPEG handle + * @param CallbackID ID of the callback to be registered + * This parameter can be one of the following values: + * @arg @ref HAL_JPEG_ENCODE_CPLT_CB_ID Encode Complete callback ID + * @arg @ref HAL_JPEG_DECODE_CPLT_CB_ID Decode Complete callback ID + * @arg @ref HAL_JPEG_ERROR_CB_ID Error callback ID + * @arg @ref HAL_JPEG_MSPINIT_CB_ID MspInit callback ID + * @arg @ref HAL_JPEG_MSPDEINIT_CB_ID MspDeInit callback ID + * @param pCallback pointer to the Callback function + * @retval HAL status + */ +HAL_StatusTypeDef HAL_JPEG_RegisterCallback(JPEG_HandleTypeDef *hjpeg, HAL_JPEG_CallbackIDTypeDef CallbackID, + pJPEG_CallbackTypeDef pCallback) +{ + HAL_StatusTypeDef status = HAL_OK; + + if (pCallback == NULL) + { + /* Update the error code */ + hjpeg->ErrorCode |= HAL_JPEG_ERROR_INVALID_CALLBACK; + return HAL_ERROR; + } + /* Process locked */ + __HAL_LOCK(hjpeg); + + if (HAL_JPEG_STATE_READY == hjpeg->State) + { + switch (CallbackID) + { + case HAL_JPEG_ENCODE_CPLT_CB_ID : + hjpeg->EncodeCpltCallback = pCallback; + break; + + case HAL_JPEG_DECODE_CPLT_CB_ID : + hjpeg->DecodeCpltCallback = pCallback; + break; + + case HAL_JPEG_ERROR_CB_ID : + hjpeg->ErrorCallback = pCallback; + break; + + case HAL_JPEG_MSPINIT_CB_ID : + hjpeg->MspInitCallback = pCallback; + break; + + case HAL_JPEG_MSPDEINIT_CB_ID : + hjpeg->MspDeInitCallback = pCallback; + break; + + default : + /* Update the error code */ + hjpeg->ErrorCode |= HAL_JPEG_ERROR_INVALID_CALLBACK; + /* Return error status */ + status = HAL_ERROR; + break; + } + } + else if (HAL_JPEG_STATE_RESET == hjpeg->State) + { + switch (CallbackID) + { + case HAL_JPEG_MSPINIT_CB_ID : + hjpeg->MspInitCallback = pCallback; + break; + + case HAL_JPEG_MSPDEINIT_CB_ID : + hjpeg->MspDeInitCallback = pCallback; + break; + + default : + /* Update the error code */ + hjpeg->ErrorCode |= HAL_JPEG_ERROR_INVALID_CALLBACK; + /* Return error status */ + status = HAL_ERROR; + break; + } + } + else + { + /* Update the error code */ + hjpeg->ErrorCode |= HAL_JPEG_ERROR_INVALID_CALLBACK; + /* Return error status */ + status = HAL_ERROR; + } + + /* Release Lock */ + __HAL_UNLOCK(hjpeg); + return status; +} + +/** + * @brief Unregister a JPEG Callback + * JPEG callabck is redirected to the weak predefined callback + * @param hjpeg JPEG handle + * @param CallbackID ID of the callback to be unregistered + * This parameter can be one of the following values: + * This parameter can be one of the following values: + * @arg @ref HAL_JPEG_ENCODE_CPLT_CB_ID Encode Complete callback ID + * @arg @ref HAL_JPEG_DECODE_CPLT_CB_ID Decode Complete callback ID + * @arg @ref HAL_JPEG_ERROR_CB_ID Error callback ID + * @arg @ref HAL_JPEG_MSPINIT_CB_ID MspInit callback ID + * @arg @ref HAL_JPEG_MSPDEINIT_CB_ID MspDeInit callback ID + * @retval HAL status + */ +HAL_StatusTypeDef HAL_JPEG_UnRegisterCallback(JPEG_HandleTypeDef *hjpeg, HAL_JPEG_CallbackIDTypeDef CallbackID) +{ + HAL_StatusTypeDef status = HAL_OK; + + /* Process locked */ + __HAL_LOCK(hjpeg); + + if (HAL_JPEG_STATE_READY == hjpeg->State) + { + switch (CallbackID) + { + case HAL_JPEG_ENCODE_CPLT_CB_ID : + hjpeg->EncodeCpltCallback = HAL_JPEG_EncodeCpltCallback; /* Legacy weak EncodeCpltCallback */ + break; + + case HAL_JPEG_DECODE_CPLT_CB_ID : + hjpeg->DecodeCpltCallback = HAL_JPEG_DecodeCpltCallback; /* Legacy weak DecodeCpltCallback */ + break; + + case HAL_JPEG_ERROR_CB_ID : + hjpeg->ErrorCallback = HAL_JPEG_ErrorCallback; /* Legacy weak ErrorCallback */ + break; + + case HAL_JPEG_MSPINIT_CB_ID : + hjpeg->MspInitCallback = HAL_JPEG_MspInit; /* Legacy weak MspInit */ + break; + + case HAL_JPEG_MSPDEINIT_CB_ID : + hjpeg->MspDeInitCallback = HAL_JPEG_MspDeInit; /* Legacy weak MspDeInit */ + break; + + default : + /* Update the error code */ + hjpeg->ErrorCode |= HAL_JPEG_ERROR_INVALID_CALLBACK; + /* Return error status */ + status = HAL_ERROR; + break; + } + } + else if (HAL_JPEG_STATE_RESET == hjpeg->State) + { + switch (CallbackID) + { + case HAL_JPEG_MSPINIT_CB_ID : + hjpeg->MspInitCallback = HAL_JPEG_MspInit; /* Legacy weak MspInit */ + break; + + case HAL_JPEG_MSPDEINIT_CB_ID : + hjpeg->MspDeInitCallback = HAL_JPEG_MspDeInit; /* Legacy weak MspInit */ + break; + + default : + /* Update the error code */ + hjpeg->ErrorCode |= HAL_JPEG_ERROR_INVALID_CALLBACK; + /* Return error status */ + status = HAL_ERROR; + break; + } + } + else + { + /* Update the error code */ + hjpeg->ErrorCode |= HAL_JPEG_ERROR_INVALID_CALLBACK; + /* Return error status */ + status = HAL_ERROR; + } + + /* Release Lock */ + __HAL_UNLOCK(hjpeg); + return status; +} + +/** + * @brief Register Info Ready JPEG Callback + * To be used instead of the weak HAL_JPEG_InfoReadyCallback() predefined callback + * @param hjpeg JPEG handle + * @param pCallback pointer to the Info Ready Callback function + * @retval HAL status + */ +HAL_StatusTypeDef HAL_JPEG_RegisterInfoReadyCallback(JPEG_HandleTypeDef *hjpeg, + pJPEG_InfoReadyCallbackTypeDef pCallback) +{ + HAL_StatusTypeDef status = HAL_OK; + + if (pCallback == NULL) + { + /* Update the error code */ + hjpeg->ErrorCode |= HAL_JPEG_ERROR_INVALID_CALLBACK; + return HAL_ERROR; + } + /* Process locked */ + __HAL_LOCK(hjpeg); + + if (HAL_JPEG_STATE_READY == hjpeg->State) + { + hjpeg->InfoReadyCallback = pCallback; + } + else + { + /* Update the error code */ + hjpeg->ErrorCode |= HAL_JPEG_ERROR_INVALID_CALLBACK; + /* Return error status */ + status = HAL_ERROR; + } + + /* Release Lock */ + __HAL_UNLOCK(hjpeg); + return status; +} + +/** + * @brief UnRegister the Info Ready JPEG Callback + * Info Ready JPEG Callback is redirected to the weak HAL_JPEG_InfoReadyCallback() predefined callback + * @param hjpeg JPEG handle + * @retval HAL status + */ +HAL_StatusTypeDef HAL_JPEG_UnRegisterInfoReadyCallback(JPEG_HandleTypeDef *hjpeg) +{ + HAL_StatusTypeDef status = HAL_OK; + + /* Process locked */ + __HAL_LOCK(hjpeg); + + if (HAL_JPEG_STATE_READY == hjpeg->State) + { + hjpeg->InfoReadyCallback = HAL_JPEG_InfoReadyCallback; /* Legacy weak InfoReadyCallback */ + } + else + { + /* Update the error code */ + hjpeg->ErrorCode |= HAL_JPEG_ERROR_INVALID_CALLBACK; + /* Return error status */ + status = HAL_ERROR; + } + + /* Release Lock */ + __HAL_UNLOCK(hjpeg); + return status; +} + +/** + * @brief Register Get Data JPEG Callback + * To be used instead of the weak HAL_JPEG_GetDataCallback() predefined callback + * @param hjpeg JPEG handle + * @param pCallback pointer to the Get Data Callback function + * @retval HAL status + */ +HAL_StatusTypeDef HAL_JPEG_RegisterGetDataCallback(JPEG_HandleTypeDef *hjpeg, pJPEG_GetDataCallbackTypeDef pCallback) +{ + HAL_StatusTypeDef status = HAL_OK; + + if (pCallback == NULL) + { + /* Update the error code */ + hjpeg->ErrorCode |= HAL_JPEG_ERROR_INVALID_CALLBACK; + return HAL_ERROR; + } + /* Process locked */ + __HAL_LOCK(hjpeg); + + if (HAL_JPEG_STATE_READY == hjpeg->State) + { + hjpeg->GetDataCallback = pCallback; + } + else + { + /* Update the error code */ + hjpeg->ErrorCode |= HAL_JPEG_ERROR_INVALID_CALLBACK; + /* Return error status */ + status = HAL_ERROR; + } + + /* Release Lock */ + __HAL_UNLOCK(hjpeg); + return status; +} + +/** + * @brief UnRegister the Get Data JPEG Callback + * Get Data JPEG Callback is redirected to the weak HAL_JPEG_GetDataCallback() predefined callback + * @param hjpeg JPEG handle + * @retval HAL status + */ +HAL_StatusTypeDef HAL_JPEG_UnRegisterGetDataCallback(JPEG_HandleTypeDef *hjpeg) +{ + HAL_StatusTypeDef status = HAL_OK; + + /* Process locked */ + __HAL_LOCK(hjpeg); + + if (HAL_JPEG_STATE_READY == hjpeg->State) + { + hjpeg->GetDataCallback = HAL_JPEG_GetDataCallback; /* Legacy weak GetDataCallback */ + } + else + { + /* Update the error code */ + hjpeg->ErrorCode |= HAL_JPEG_ERROR_INVALID_CALLBACK; + /* Return error status */ + status = HAL_ERROR; + } + + /* Release Lock */ + __HAL_UNLOCK(hjpeg); + return status; +} + +/** + * @brief Register Data Ready JPEG Callback + * To be used instead of the weak HAL_JPEG_DataReadyCallback() predefined callback + * @param hjpeg JPEG handle + * @param pCallback pointer to the Get Data Callback function + * @retval HAL status + */ +HAL_StatusTypeDef HAL_JPEG_RegisterDataReadyCallback(JPEG_HandleTypeDef *hjpeg, + pJPEG_DataReadyCallbackTypeDef pCallback) +{ + HAL_StatusTypeDef status = HAL_OK; + + if (pCallback == NULL) + { + /* Update the error code */ + hjpeg->ErrorCode |= HAL_JPEG_ERROR_INVALID_CALLBACK; + return HAL_ERROR; + } + /* Process locked */ + __HAL_LOCK(hjpeg); + + if (HAL_JPEG_STATE_READY == hjpeg->State) + { + hjpeg->DataReadyCallback = pCallback; + } + else + { + /* Update the error code */ + hjpeg->ErrorCode |= HAL_JPEG_ERROR_INVALID_CALLBACK; + /* Return error status */ + status = HAL_ERROR; + } + + /* Release Lock */ + __HAL_UNLOCK(hjpeg); + return status; +} + +/** + * @brief UnRegister the Data Ready JPEG Callback + * Get Data Ready Callback is redirected to the weak HAL_JPEG_DataReadyCallback() predefined callback + * @param hjpeg JPEG handle + * @retval HAL status + */ +HAL_StatusTypeDef HAL_JPEG_UnRegisterDataReadyCallback(JPEG_HandleTypeDef *hjpeg) +{ + HAL_StatusTypeDef status = HAL_OK; + + /* Process locked */ + __HAL_LOCK(hjpeg); + + if (HAL_JPEG_STATE_READY == hjpeg->State) + { + hjpeg->DataReadyCallback = HAL_JPEG_DataReadyCallback; /* Legacy weak DataReadyCallback */ + } + else + { + /* Update the error code */ + hjpeg->ErrorCode |= HAL_JPEG_ERROR_INVALID_CALLBACK; + /* Return error status */ + status = HAL_ERROR; + } + + /* Release Lock */ + __HAL_UNLOCK(hjpeg); + return status; +} + +#endif /* USE_HAL_JPEG_REGISTER_CALLBACKS */ + +/** + * @} + */ + +/** @defgroup JPEG_Exported_Functions_Group2 Configuration functions + * @brief JPEG Configuration functions. + * +@verbatim + ============================================================================== + ##### Configuration functions ##### + ============================================================================== + [..] This section provides functions allowing to: + (+) HAL_JPEG_ConfigEncoding() : JPEG encoding configuration + (+) HAL_JPEG_GetInfo() : Extract the image configuration from the JPEG header during the decoding + (+) HAL_JPEG_EnableHeaderParsing() : Enable JPEG Header parsing for decoding + (+) HAL_JPEG_DisableHeaderParsing() : Disable JPEG Header parsing for decoding + (+) HAL_JPEG_SetUserQuantTables : Modify the default Quantization tables used for JPEG encoding. + +@endverbatim + * @{ + */ + +/** + * @brief Set the JPEG encoding configuration. + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @param pConf pointer to a JPEG_ConfTypeDef structure that contains + * the encoding configuration + * @retval HAL status + */ +HAL_StatusTypeDef HAL_JPEG_ConfigEncoding(JPEG_HandleTypeDef *hjpeg, JPEG_ConfTypeDef *pConf) +{ + uint32_t error; + uint32_t numberMCU; + uint32_t hfactor; + uint32_t vfactor; + uint32_t hMCU; + uint32_t vMCU; + + /* Check the JPEG handle allocation */ + if ((hjpeg == NULL) || (pConf == NULL)) + { + return HAL_ERROR; + } + else + { + /* Check the parameters */ + assert_param(IS_JPEG_COLORSPACE(pConf->ColorSpace)); + assert_param(IS_JPEG_CHROMASUBSAMPLING(pConf->ChromaSubsampling)); + assert_param(IS_JPEG_IMAGE_QUALITY(pConf->ImageQuality)); + + /* Process Locked */ + __HAL_LOCK(hjpeg); + + if (hjpeg->State == HAL_JPEG_STATE_READY) + { + hjpeg->State = HAL_JPEG_STATE_BUSY; + + hjpeg->Conf.ColorSpace = pConf->ColorSpace; + hjpeg->Conf.ChromaSubsampling = pConf->ChromaSubsampling; + hjpeg->Conf.ImageHeight = pConf->ImageHeight; + hjpeg->Conf.ImageWidth = pConf->ImageWidth; + hjpeg->Conf.ImageQuality = pConf->ImageQuality; + + /* Reset the Color Space : by default only one quantization table is used*/ + hjpeg->Instance->CONFR1 &= ~JPEG_CONFR1_COLORSPACE; + + /* Set Number of color components*/ + if (hjpeg->Conf.ColorSpace == JPEG_GRAYSCALE_COLORSPACE) + { + /*Gray Scale is only one component 8x8 blocks i.e 4:4:4*/ + hjpeg->Conf.ChromaSubsampling = JPEG_444_SUBSAMPLING; + + JPEG_SetColorGrayScale(hjpeg); + /* Set quantization table 0*/ + error = JPEG_Set_Quantization_Mem(hjpeg, hjpeg->QuantTable0, (hjpeg->Instance->QMEM0)); + } + else if (hjpeg->Conf.ColorSpace == JPEG_YCBCR_COLORSPACE) + { + /* + Set the Color Space for YCbCr : 2 quantization tables are used + one for Luminance(Y) and one for both Chrominances (Cb & Cr) + */ + hjpeg->Instance->CONFR1 |= JPEG_CONFR1_COLORSPACE_0; + + JPEG_SetColorYCBCR(hjpeg); + + /* Set quantization table 0*/ + error = JPEG_Set_Quantization_Mem(hjpeg, hjpeg->QuantTable0, (hjpeg->Instance->QMEM0)); + /*By default quantization table 0 for component 0 and quantization table 1 for both components 1 and 2*/ + error |= JPEG_Set_Quantization_Mem(hjpeg, hjpeg->QuantTable1, (hjpeg->Instance->QMEM1)); + + if ((hjpeg->Context & JPEG_CONTEXT_CUSTOM_TABLES) != 0UL) + { + /*Use user customized quantization tables , 1 table per component*/ + /* use 3 quantization tables , one for each component*/ + hjpeg->Instance->CONFR1 &= (~JPEG_CONFR1_COLORSPACE); + hjpeg->Instance->CONFR1 |= JPEG_CONFR1_COLORSPACE_1; + + error |= JPEG_Set_Quantization_Mem(hjpeg, hjpeg->QuantTable2, (hjpeg->Instance->QMEM2)); + + /*Use Quantization 1 table for component 1*/ + hjpeg->Instance->CONFR5 &= (~JPEG_CONFR5_QT); + hjpeg->Instance->CONFR5 |= JPEG_CONFR5_QT_0; + + /*Use Quantization 2 table for component 2*/ + hjpeg->Instance->CONFR6 &= (~JPEG_CONFR6_QT); + hjpeg->Instance->CONFR6 |= JPEG_CONFR6_QT_1; + } + } + else /* ColorSpace == JPEG_CMYK_COLORSPACE */ + { + JPEG_SetColorCMYK(hjpeg); + + /* Set quantization table 0*/ + error = JPEG_Set_Quantization_Mem(hjpeg, hjpeg->QuantTable0, (hjpeg->Instance->QMEM0)); + /*By default quantization table 0 for All components*/ + + if ((hjpeg->Context & JPEG_CONTEXT_CUSTOM_TABLES) != 0UL) + { + /*Use user customized quantization tables , 1 table per component*/ + /* use 4 quantization tables , one for each component*/ + hjpeg->Instance->CONFR1 |= JPEG_CONFR1_COLORSPACE; + + error |= JPEG_Set_Quantization_Mem(hjpeg, hjpeg->QuantTable1, (hjpeg->Instance->QMEM1)); + error |= JPEG_Set_Quantization_Mem(hjpeg, hjpeg->QuantTable2, (hjpeg->Instance->QMEM2)); + error |= JPEG_Set_Quantization_Mem(hjpeg, hjpeg->QuantTable3, (hjpeg->Instance->QMEM3)); + + /*Use Quantization 1 table for component 1*/ + hjpeg->Instance->CONFR5 |= JPEG_CONFR5_QT_0; + + /*Use Quantization 2 table for component 2*/ + hjpeg->Instance->CONFR6 |= JPEG_CONFR6_QT_1; + + /*Use Quantization 3 table for component 3*/ + hjpeg->Instance->CONFR7 |= JPEG_CONFR7_QT; + } + } + + if (error != 0UL) + { + hjpeg->ErrorCode = HAL_JPEG_ERROR_QUANT_TABLE; + + /* Process Unlocked */ + __HAL_UNLOCK(hjpeg); + + /* Set the JPEG State to ready */ + hjpeg->State = HAL_JPEG_STATE_READY; + + return HAL_ERROR; + } + /* Set the image size*/ + /* set the number of lines*/ + MODIFY_REG(hjpeg->Instance->CONFR1, JPEG_CONFR1_YSIZE, ((hjpeg->Conf.ImageHeight & 0x0000FFFFUL) << 16)); + /* set the number of pixels per line*/ + MODIFY_REG(hjpeg->Instance->CONFR3, JPEG_CONFR3_XSIZE, ((hjpeg->Conf.ImageWidth & 0x0000FFFFUL) << 16)); + + + if (hjpeg->Conf.ChromaSubsampling == JPEG_420_SUBSAMPLING) /* 4:2:0*/ + { + hfactor = 16; + vfactor = 16; + } + else if (hjpeg->Conf.ChromaSubsampling == JPEG_422_SUBSAMPLING) /* 4:2:2*/ + { + hfactor = 16; + vfactor = 8; + } + else /* Default is 8x8 MCU, 4:4:4*/ + { + hfactor = 8; + vfactor = 8; + } + + hMCU = (hjpeg->Conf.ImageWidth / hfactor); + if ((hjpeg->Conf.ImageWidth % hfactor) != 0UL) + { + hMCU++; /*+1 for horizontal incomplete MCU */ + } + + vMCU = (hjpeg->Conf.ImageHeight / vfactor); + if ((hjpeg->Conf.ImageHeight % vfactor) != 0UL) + { + vMCU++; /*+1 for vertical incomplete MCU */ + } + + numberMCU = (hMCU * vMCU) - 1UL; /* Bit Field JPEG_CONFR2_NMCU shall be set to NB_MCU - 1*/ + /* Set the number of MCU*/ + hjpeg->Instance->CONFR2 = (numberMCU & JPEG_CONFR2_NMCU); + + hjpeg->Context |= JPEG_CONTEXT_CONF_ENCODING; + + /* Process Unlocked */ + __HAL_UNLOCK(hjpeg); + + /* Set the JPEG State to ready */ + hjpeg->State = HAL_JPEG_STATE_READY; + + /* Return function status */ + return HAL_OK; + } + else + { + /* Process Unlocked */ + __HAL_UNLOCK(hjpeg); + + /* Return function status */ + return HAL_BUSY; + } + } +} + +/** + * @brief Extract the image configuration from the JPEG header during the decoding + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @param pInfo pointer to a JPEG_ConfTypeDef structure that contains + * The JPEG decoded header information + * @retval HAL status + */ +HAL_StatusTypeDef HAL_JPEG_GetInfo(JPEG_HandleTypeDef *hjpeg, JPEG_ConfTypeDef *pInfo) +{ + uint32_t yblockNb; + uint32_t cBblockNb; + uint32_t cRblockNb; + + /* Check the JPEG handle allocation */ + if ((hjpeg == NULL) || (pInfo == NULL)) + { + return HAL_ERROR; + } + + /*Read the conf parameters */ + if ((hjpeg->Instance->CONFR1 & JPEG_CONFR1_NF) == JPEG_CONFR1_NF_1) + { + pInfo->ColorSpace = JPEG_YCBCR_COLORSPACE; + } + else if ((hjpeg->Instance->CONFR1 & JPEG_CONFR1_NF) == 0UL) + { + pInfo->ColorSpace = JPEG_GRAYSCALE_COLORSPACE; + } + else if ((hjpeg->Instance->CONFR1 & JPEG_CONFR1_NF) == JPEG_CONFR1_NF) + { + pInfo->ColorSpace = JPEG_CMYK_COLORSPACE; + } + else + { + return HAL_ERROR; + } + + pInfo->ImageHeight = (hjpeg->Instance->CONFR1 & 0xFFFF0000UL) >> 16; + pInfo->ImageWidth = (hjpeg->Instance->CONFR3 & 0xFFFF0000UL) >> 16; + + if ((pInfo->ColorSpace == JPEG_YCBCR_COLORSPACE) || (pInfo->ColorSpace == JPEG_CMYK_COLORSPACE)) + { + yblockNb = (hjpeg->Instance->CONFR4 & JPEG_CONFR4_NB) >> 4; + cBblockNb = (hjpeg->Instance->CONFR5 & JPEG_CONFR5_NB) >> 4; + cRblockNb = (hjpeg->Instance->CONFR6 & JPEG_CONFR6_NB) >> 4; + + if ((yblockNb == 1UL) && (cBblockNb == 0UL) && (cRblockNb == 0UL)) + { + pInfo->ChromaSubsampling = JPEG_422_SUBSAMPLING; /*16x8 block*/ + } + else if ((yblockNb == 0UL) && (cBblockNb == 0UL) && (cRblockNb == 0UL)) + { + pInfo->ChromaSubsampling = JPEG_444_SUBSAMPLING; + } + else if ((yblockNb == 3UL) && (cBblockNb == 0UL) && (cRblockNb == 0UL)) + { + pInfo->ChromaSubsampling = JPEG_420_SUBSAMPLING; + } + else /*Default is 4:4:4*/ + { + pInfo->ChromaSubsampling = JPEG_444_SUBSAMPLING; + } + } + else + { + pInfo->ChromaSubsampling = JPEG_444_SUBSAMPLING; + } + + pInfo->ImageQuality = JPEG_GetQuality(hjpeg); + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Enable JPEG Header parsing for decoding + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for the JPEG. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_JPEG_EnableHeaderParsing(JPEG_HandleTypeDef *hjpeg) +{ + /* Process locked */ + __HAL_LOCK(hjpeg); + + if (hjpeg->State == HAL_JPEG_STATE_READY) + { + /* Change the JPEG state */ + hjpeg->State = HAL_JPEG_STATE_BUSY; + + /* Enable header processing*/ + hjpeg->Instance->CONFR1 |= JPEG_CONFR1_HDR; + + /* Process unlocked */ + __HAL_UNLOCK(hjpeg); + + /* Change the JPEG state */ + hjpeg->State = HAL_JPEG_STATE_READY; + + return HAL_OK; + } + else + { + /* Process unlocked */ + __HAL_UNLOCK(hjpeg); + + return HAL_BUSY; + } +} + +/** + * @brief Disable JPEG Header parsing for decoding + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for the JPEG. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_JPEG_DisableHeaderParsing(JPEG_HandleTypeDef *hjpeg) +{ + /* Process locked */ + __HAL_LOCK(hjpeg); + + if (hjpeg->State == HAL_JPEG_STATE_READY) + { + /* Change the JPEG state */ + hjpeg->State = HAL_JPEG_STATE_BUSY; + + /* Disable header processing*/ + hjpeg->Instance->CONFR1 &= ~JPEG_CONFR1_HDR; + + /* Process unlocked */ + __HAL_UNLOCK(hjpeg); + + /* Change the JPEG state */ + hjpeg->State = HAL_JPEG_STATE_READY; + + return HAL_OK; + } + else + { + /* Process unlocked */ + __HAL_UNLOCK(hjpeg); + + return HAL_BUSY; + } +} + +/** + * @brief Modify the default Quantization tables used for JPEG encoding. + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @param QTable0 pointer to uint8_t , define the user quantification table for color component 1. + * If NULL assume no need to update the table and no error return + * @param QTable1 pointer to uint8_t , define the user quantification table for color component 2. + * If NULL assume no need to update the table and no error return. + * @param QTable2 pointer to uint8_t , define the user quantification table for color component 3, + * If NULL assume no need to update the table and no error return. + * @param QTable3 pointer to uint8_t , define the user quantification table for color component 4. + * If NULL assume no need to update the table and no error return. + * + * @retval HAL status + */ + + +HAL_StatusTypeDef HAL_JPEG_SetUserQuantTables(JPEG_HandleTypeDef *hjpeg, uint8_t *QTable0, uint8_t *QTable1, + uint8_t *QTable2, uint8_t *QTable3) +{ + /* Process Locked */ + __HAL_LOCK(hjpeg); + + if (hjpeg->State == HAL_JPEG_STATE_READY) + { + /* Change the DMA state */ + hjpeg->State = HAL_JPEG_STATE_BUSY; + + hjpeg->Context |= JPEG_CONTEXT_CUSTOM_TABLES; + + hjpeg->QuantTable0 = QTable0; + hjpeg->QuantTable1 = QTable1; + hjpeg->QuantTable2 = QTable2; + hjpeg->QuantTable3 = QTable3; + + /* Process Unlocked */ + __HAL_UNLOCK(hjpeg); + + /* Change the DMA state */ + hjpeg->State = HAL_JPEG_STATE_READY; + + /* Return function status */ + return HAL_OK; + } + else + { + /* Process Unlocked */ + __HAL_UNLOCK(hjpeg); + + return HAL_BUSY; + } +} + +/** + * @} + */ + +/** @defgroup JPEG_Exported_Functions_Group3 encoding/decoding processing functions + * @brief processing functions. + * +@verbatim + ============================================================================== + ##### JPEG processing functions ##### + ============================================================================== + [..] This section provides functions allowing to: + (+) HAL_JPEG_Encode() : JPEG encoding with polling process + (+) HAL_JPEG_Decode() : JPEG decoding with polling process + (+) HAL_JPEG_Encode_IT() : JPEG encoding with interrupt process + (+) HAL_JPEG_Decode_IT() : JPEG decoding with interrupt process + (+) HAL_JPEG_Encode_DMA() : JPEG encoding with DMA process + (+) HAL_JPEG_Decode_DMA() : JPEG decoding with DMA process + (+) HAL_JPEG_Pause() : Pause the Input/Output processing + (+) HAL_JPEG_Resume() : Resume the JPEG Input/Output processing + (+) HAL_JPEG_ConfigInputBuffer() : Config Encoding/Decoding Input Buffer + (+) HAL_JPEG_ConfigOutputBuffer() : Config Encoding/Decoding Output Buffer + (+) HAL_JPEG_Abort() : Aborts the JPEG Encoding/Decoding + +@endverbatim + * @{ + */ + +/** + * @brief Starts JPEG encoding with polling processing + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @param pDataInMCU Pointer to the Input buffer + * @param InDataLength size in bytes Input buffer + * @param pDataOut Pointer to the jpeg output data buffer + * @param OutDataLength size in bytes of the Output buffer + * @param Timeout Specify Timeout value + * @retval HAL status + */ +HAL_StatusTypeDef HAL_JPEG_Encode(JPEG_HandleTypeDef *hjpeg, uint8_t *pDataInMCU, uint32_t InDataLength, + uint8_t *pDataOut, uint32_t OutDataLength, uint32_t Timeout) +{ + uint32_t tickstart; + + /* Check the parameters */ + assert_param((InDataLength >= 4UL)); + assert_param((OutDataLength >= 4UL)); + + /* Check In/out buffer allocation and size */ + if ((hjpeg == NULL) || (pDataInMCU == NULL) || (pDataOut == NULL)) + { + return HAL_ERROR; + } + /* Process locked */ + __HAL_LOCK(hjpeg); + + if (hjpeg->State != HAL_JPEG_STATE_READY) + { + /* Process Unlocked */ + __HAL_UNLOCK(hjpeg); + + return HAL_BUSY; + } + + if (hjpeg->State == HAL_JPEG_STATE_READY) + { + if ((hjpeg->Context & JPEG_CONTEXT_CONF_ENCODING) == JPEG_CONTEXT_CONF_ENCODING) + { + /*Change JPEG state*/ + hjpeg->State = HAL_JPEG_STATE_BUSY_ENCODING; + + /*Set the Context to Encode with Polling*/ + hjpeg->Context &= ~(JPEG_CONTEXT_OPERATION_MASK | JPEG_CONTEXT_METHOD_MASK); + hjpeg->Context |= (JPEG_CONTEXT_ENCODE | JPEG_CONTEXT_POLLING); + + /* Get tick */ + tickstart = HAL_GetTick(); + + /*Store In/out buffers pointers and size*/ + hjpeg->pJpegInBuffPtr = pDataInMCU; + hjpeg->pJpegOutBuffPtr = pDataOut; + hjpeg->InDataLength = InDataLength - (InDataLength % 4UL); /* In Data length must be multiple of 4 Bytes (1 word)*/ + hjpeg->OutDataLength = OutDataLength - (OutDataLength % 4UL); /* Out Data length must be multiple of 4 Bytes (1 word)*/ + + /*Reset In/out data counter */ + hjpeg->JpegInCount = 0; + hjpeg->JpegOutCount = 0; + + /*Init decoding process*/ + JPEG_Init_Process(hjpeg); + + /*JPEG data processing : In/Out FIFO transfer*/ + while ((JPEG_Process(hjpeg) == JPEG_PROCESS_ONGOING)) + { + if (Timeout != HAL_MAX_DELAY) + { + if (((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0UL)) + { + + /* Update error code */ + hjpeg->ErrorCode |= HAL_JPEG_ERROR_TIMEOUT; + + /* Process Unlocked */ + __HAL_UNLOCK(hjpeg); + + /*Change JPEG state*/ + hjpeg->State = HAL_JPEG_STATE_READY; + + return HAL_TIMEOUT; + } + } + } + + /* Process Unlocked */ + __HAL_UNLOCK(hjpeg); + + /*Change JPEG state*/ + hjpeg->State = HAL_JPEG_STATE_READY; + + } + else + { + /* Process Unlocked */ + __HAL_UNLOCK(hjpeg); + + return HAL_ERROR; + } + } + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Starts JPEG decoding with polling processing + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @param pDataIn Pointer to the input data buffer + * @param InDataLength size in bytes Input buffer + * @param pDataOutMCU Pointer to the Output data buffer + * @param OutDataLength size in bytes of the Output buffer + * @param Timeout Specify Timeout value + * @retval HAL status + */ +HAL_StatusTypeDef HAL_JPEG_Decode(JPEG_HandleTypeDef *hjpeg, uint8_t *pDataIn, uint32_t InDataLength, + uint8_t *pDataOutMCU, uint32_t OutDataLength, uint32_t Timeout) +{ + uint32_t tickstart; + + /* Check the parameters */ + assert_param((InDataLength >= 4UL)); + assert_param((OutDataLength >= 4UL)); + + /* Check In/out buffer allocation and size */ + if ((hjpeg == NULL) || (pDataIn == NULL) || (pDataOutMCU == NULL)) + { + return HAL_ERROR; + } + + /* Process Locked */ + __HAL_LOCK(hjpeg); + + /* Get tick */ + tickstart = HAL_GetTick(); + + if (hjpeg->State == HAL_JPEG_STATE_READY) + { + /*Change JPEG state*/ + hjpeg->State = HAL_JPEG_STATE_BUSY_DECODING; + + /*Set the Context to Decode with Polling*/ + /*Set the Context to Encode with Polling*/ + hjpeg->Context &= ~(JPEG_CONTEXT_OPERATION_MASK | JPEG_CONTEXT_METHOD_MASK); + hjpeg->Context |= (JPEG_CONTEXT_DECODE | JPEG_CONTEXT_POLLING); + + /*Store In/out buffers pointers and size*/ + hjpeg->pJpegInBuffPtr = pDataIn; + hjpeg->pJpegOutBuffPtr = pDataOutMCU; + hjpeg->InDataLength = InDataLength - (InDataLength % 4UL); /*In Data length must be multiple of 4 Bytes (1 word)*/ + hjpeg->OutDataLength = OutDataLength - (OutDataLength % 4UL); /*Out Data length must be multiple of 4 Bytes (1 word)*/ + + /*Reset In/out data counter */ + hjpeg->JpegInCount = 0; + hjpeg->JpegOutCount = 0; + + /*Init decoding process*/ + JPEG_Init_Process(hjpeg); + + /*JPEG data processing : In/Out FIFO transfer*/ + while ((JPEG_Process(hjpeg) == JPEG_PROCESS_ONGOING)) + { + if (Timeout != HAL_MAX_DELAY) + { + if (((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0UL)) + { + + /* Update error code */ + hjpeg->ErrorCode |= HAL_JPEG_ERROR_TIMEOUT; + + /* Process Unlocked */ + __HAL_UNLOCK(hjpeg); + + /*Change JPEG state*/ + hjpeg->State = HAL_JPEG_STATE_READY; + + return HAL_TIMEOUT; + } + } + } + + /* Process Unlocked */ + __HAL_UNLOCK(hjpeg); + + /*Change JPEG state*/ + hjpeg->State = HAL_JPEG_STATE_READY; + + } + else + { + /* Process Unlocked */ + __HAL_UNLOCK(hjpeg); + + return HAL_BUSY; + } + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Starts JPEG encoding with interrupt processing + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @param pDataInMCU Pointer to the Input buffer + * @param InDataLength size in bytes Input buffer + * @param pDataOut Pointer to the jpeg output data buffer + * @param OutDataLength size in bytes of the Output buffer + * @retval HAL status + */ +HAL_StatusTypeDef HAL_JPEG_Encode_IT(JPEG_HandleTypeDef *hjpeg, uint8_t *pDataInMCU, uint32_t InDataLength, + uint8_t *pDataOut, uint32_t OutDataLength) +{ + /* Check the parameters */ + assert_param((InDataLength >= 4UL)); + assert_param((OutDataLength >= 4UL)); + + /* Check In/out buffer allocation and size */ + if ((hjpeg == NULL) || (pDataInMCU == NULL) || (pDataOut == NULL)) + { + return HAL_ERROR; + } + + /* Process Locked */ + __HAL_LOCK(hjpeg); + + if (hjpeg->State != HAL_JPEG_STATE_READY) + { + /* Process Unlocked */ + __HAL_UNLOCK(hjpeg); + + return HAL_BUSY; + } + else + { + if ((hjpeg->Context & JPEG_CONTEXT_CONF_ENCODING) == JPEG_CONTEXT_CONF_ENCODING) + { + /*Change JPEG state*/ + hjpeg->State = HAL_JPEG_STATE_BUSY_ENCODING; + + /*Set the Context to Encode with IT*/ + hjpeg->Context &= ~(JPEG_CONTEXT_OPERATION_MASK | JPEG_CONTEXT_METHOD_MASK); + hjpeg->Context |= (JPEG_CONTEXT_ENCODE | JPEG_CONTEXT_IT); + + /*Store In/out buffers pointers and size*/ + hjpeg->pJpegInBuffPtr = pDataInMCU; + hjpeg->pJpegOutBuffPtr = pDataOut; + hjpeg->InDataLength = InDataLength - (InDataLength % 4UL); /*In Data length must be multiple of 4 Bytes (1 word)*/ + hjpeg->OutDataLength = OutDataLength - (OutDataLength % 4UL); /*Out Data length must be multiple of 4 Bytes (1 word)*/ + + /*Reset In/out data counter */ + hjpeg->JpegInCount = 0; + hjpeg->JpegOutCount = 0; + + /*Init decoding process*/ + JPEG_Init_Process(hjpeg); + + } + else + { + /* Process Unlocked */ + __HAL_UNLOCK(hjpeg); + + return HAL_ERROR; + } + } + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Starts JPEG decoding with interrupt processing + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @param pDataIn Pointer to the input data buffer + * @param InDataLength size in bytes Input buffer + * @param pDataOutMCU Pointer to the Output data buffer + * @param OutDataLength size in bytes of the Output buffer + * @retval HAL status + */ +HAL_StatusTypeDef HAL_JPEG_Decode_IT(JPEG_HandleTypeDef *hjpeg, uint8_t *pDataIn, uint32_t InDataLength, + uint8_t *pDataOutMCU, uint32_t OutDataLength) +{ + /* Check the parameters */ + assert_param((InDataLength >= 4UL)); + assert_param((OutDataLength >= 4UL)); + + /* Check In/out buffer allocation and size */ + if ((hjpeg == NULL) || (pDataIn == NULL) || (pDataOutMCU == NULL)) + { + return HAL_ERROR; + } + + /* Process Locked */ + __HAL_LOCK(hjpeg); + + if (hjpeg->State == HAL_JPEG_STATE_READY) + { + /*Change JPEG state*/ + hjpeg->State = HAL_JPEG_STATE_BUSY_DECODING; + + /*Set the Context to Decode with IT*/ + hjpeg->Context &= ~(JPEG_CONTEXT_OPERATION_MASK | JPEG_CONTEXT_METHOD_MASK); + hjpeg->Context |= (JPEG_CONTEXT_DECODE | JPEG_CONTEXT_IT); + + /*Store In/out buffers pointers and size*/ + hjpeg->pJpegInBuffPtr = pDataIn; + hjpeg->pJpegOutBuffPtr = pDataOutMCU; + hjpeg->InDataLength = InDataLength - (InDataLength % 4UL); /*In Data length must be multiple of 4 Bytes (1 word)*/ + hjpeg->OutDataLength = OutDataLength - (OutDataLength % 4UL); /*Out Data length must be multiple of 4 Bytes (1 word)*/ + + /*Reset In/out data counter */ + hjpeg->JpegInCount = 0; + hjpeg->JpegOutCount = 0; + + /*Init decoding process*/ + JPEG_Init_Process(hjpeg); + + } + else + { + /* Process Unlocked */ + __HAL_UNLOCK(hjpeg); + + return HAL_BUSY; + } + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Starts JPEG encoding with DMA processing + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @param pDataInMCU Pointer to the Input buffer + * @param InDataLength size in bytes Input buffer + * @param pDataOut Pointer to the jpeg output data buffer + * @param OutDataLength size in bytes of the Output buffer + * @retval HAL status + */ +HAL_StatusTypeDef HAL_JPEG_Encode_DMA(JPEG_HandleTypeDef *hjpeg, uint8_t *pDataInMCU, uint32_t InDataLength, + uint8_t *pDataOut, uint32_t OutDataLength) +{ + /* Check the parameters */ + assert_param((InDataLength >= 4UL)); + assert_param((OutDataLength >= 4UL)); + + /* Check In/out buffer allocation and size */ + if ((hjpeg == NULL) || (pDataInMCU == NULL) || (pDataOut == NULL)) + { + return HAL_ERROR; + } + + /* Process Locked */ + __HAL_LOCK(hjpeg); + + if (hjpeg->State != HAL_JPEG_STATE_READY) + { + /* Process Unlocked */ + __HAL_UNLOCK(hjpeg); + + return HAL_BUSY; + } + else + { + if ((hjpeg->Context & JPEG_CONTEXT_CONF_ENCODING) == JPEG_CONTEXT_CONF_ENCODING) + { + /*Change JPEG state*/ + hjpeg->State = HAL_JPEG_STATE_BUSY_ENCODING; + + /*Set the Context to Encode with DMA*/ + hjpeg->Context &= ~(JPEG_CONTEXT_OPERATION_MASK | JPEG_CONTEXT_METHOD_MASK); + hjpeg->Context |= (JPEG_CONTEXT_ENCODE | JPEG_CONTEXT_DMA); + + /*Store In/out buffers pointers and size*/ + hjpeg->pJpegInBuffPtr = pDataInMCU; + hjpeg->pJpegOutBuffPtr = pDataOut; + hjpeg->InDataLength = InDataLength; + hjpeg->OutDataLength = OutDataLength; + + /*Reset In/out data counter */ + hjpeg->JpegInCount = 0; + hjpeg->JpegOutCount = 0; + + /*Init decoding process*/ + JPEG_Init_Process(hjpeg); + + /* JPEG encoding process using DMA */ + if (JPEG_DMA_StartProcess(hjpeg) != HAL_OK) + { + /* Update State */ + hjpeg->State = HAL_JPEG_STATE_ERROR; + /* Process Unlocked */ + __HAL_UNLOCK(hjpeg); + + return HAL_ERROR; + } + + } + else + { + /* Process Unlocked */ + __HAL_UNLOCK(hjpeg); + + return HAL_ERROR; + } + } + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Starts JPEG decoding with DMA processing + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @param pDataIn Pointer to the input data buffer + * @param InDataLength size in bytes Input buffer + * @param pDataOutMCU Pointer to the Output data buffer + * @param OutDataLength size in bytes of the Output buffer + * @retval HAL status + */ +HAL_StatusTypeDef HAL_JPEG_Decode_DMA(JPEG_HandleTypeDef *hjpeg, uint8_t *pDataIn, uint32_t InDataLength, + uint8_t *pDataOutMCU, uint32_t OutDataLength) +{ + /* Check the parameters */ + assert_param((InDataLength >= 4UL)); + assert_param((OutDataLength >= 4UL)); + + /* Check In/out buffer allocation and size */ + if ((hjpeg == NULL) || (pDataIn == NULL) || (pDataOutMCU == NULL)) + { + return HAL_ERROR; + } + + /* Process Locked */ + __HAL_LOCK(hjpeg); + + if (hjpeg->State == HAL_JPEG_STATE_READY) + { + /*Change JPEG state*/ + hjpeg->State = HAL_JPEG_STATE_BUSY_DECODING; + + /*Set the Context to Decode with DMA*/ + hjpeg->Context &= ~(JPEG_CONTEXT_OPERATION_MASK | JPEG_CONTEXT_METHOD_MASK); + hjpeg->Context |= (JPEG_CONTEXT_DECODE | JPEG_CONTEXT_DMA); + + /*Store In/out buffers pointers and size*/ + hjpeg->pJpegInBuffPtr = pDataIn; + hjpeg->pJpegOutBuffPtr = pDataOutMCU; + hjpeg->InDataLength = InDataLength; + hjpeg->OutDataLength = OutDataLength; + + /*Reset In/out data counter */ + hjpeg->JpegInCount = 0; + hjpeg->JpegOutCount = 0; + + /*Init decoding process*/ + JPEG_Init_Process(hjpeg); + + /* JPEG decoding process using DMA */ + if (JPEG_DMA_StartProcess(hjpeg) != HAL_OK) + { + /* Update State */ + hjpeg->State = HAL_JPEG_STATE_ERROR; + /* Process Unlocked */ + __HAL_UNLOCK(hjpeg); + + return HAL_ERROR; + } + } + else + { + /* Process Unlocked */ + __HAL_UNLOCK(hjpeg); + + return HAL_BUSY; + } + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Pause the JPEG Input/Output processing + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @param XferSelection This parameter can be one of the following values : + * JPEG_PAUSE_RESUME_INPUT : Pause Input processing + * JPEG_PAUSE_RESUME_OUTPUT: Pause Output processing + * JPEG_PAUSE_RESUME_INPUT_OUTPUT: Pause Input and Output processing + * @retval HAL status + */ +HAL_StatusTypeDef HAL_JPEG_Pause(JPEG_HandleTypeDef *hjpeg, uint32_t XferSelection) +{ + uint32_t mask = 0; + + assert_param(IS_JPEG_PAUSE_RESUME_STATE(XferSelection)); + + if ((hjpeg->Context & JPEG_CONTEXT_METHOD_MASK) == JPEG_CONTEXT_DMA) + { + if ((XferSelection & JPEG_PAUSE_RESUME_INPUT) == JPEG_PAUSE_RESUME_INPUT) + { + hjpeg->Context |= JPEG_CONTEXT_PAUSE_INPUT; + } + if ((XferSelection & JPEG_PAUSE_RESUME_OUTPUT) == JPEG_PAUSE_RESUME_OUTPUT) + { + hjpeg->Context |= JPEG_CONTEXT_PAUSE_OUTPUT; + } + + } + else if ((hjpeg->Context & JPEG_CONTEXT_METHOD_MASK) == JPEG_CONTEXT_IT) + { + + if ((XferSelection & JPEG_PAUSE_RESUME_INPUT) == JPEG_PAUSE_RESUME_INPUT) + { + hjpeg->Context |= JPEG_CONTEXT_PAUSE_INPUT; + mask |= (JPEG_IT_IFT | JPEG_IT_IFNF); + } + if ((XferSelection & JPEG_PAUSE_RESUME_OUTPUT) == JPEG_PAUSE_RESUME_OUTPUT) + { + hjpeg->Context |= JPEG_CONTEXT_PAUSE_OUTPUT; + mask |= (JPEG_IT_OFT | JPEG_IT_OFNE | JPEG_IT_EOC); + } + __HAL_JPEG_DISABLE_IT(hjpeg, mask); + + } + else + { + /* Nothing to do */ + } + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Resume the JPEG Input/Output processing + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @param XferSelection This parameter can be one of the following values : + * JPEG_PAUSE_RESUME_INPUT : Resume Input processing + * JPEG_PAUSE_RESUME_OUTPUT: Resume Output processing + * JPEG_PAUSE_RESUME_INPUT_OUTPUT: Resume Input and Output processing + * @retval HAL status + */ +HAL_StatusTypeDef HAL_JPEG_Resume(JPEG_HandleTypeDef *hjpeg, uint32_t XferSelection) +{ + uint32_t mask = 0; + uint32_t xfrSize; + + assert_param(IS_JPEG_PAUSE_RESUME_STATE(XferSelection)); + + if ((hjpeg->Context & (JPEG_CONTEXT_PAUSE_INPUT | JPEG_CONTEXT_PAUSE_OUTPUT)) == 0UL) + { + /* if nothing paused to resume return error*/ + return HAL_ERROR; + } + + if ((hjpeg->Context & JPEG_CONTEXT_METHOD_MASK) == JPEG_CONTEXT_DMA) + { + + if ((XferSelection & JPEG_PAUSE_RESUME_INPUT) == JPEG_PAUSE_RESUME_INPUT) + { + hjpeg->Context &= (~JPEG_CONTEXT_PAUSE_INPUT); + /*if the MDMA In is triggred with JPEG In FIFO Threshold flag + then MDMA In buffer size is 32 bytes + + else (MDMA In is triggred with JPEG In FIFO not full flag) + then MDMA In buffer size is 4 bytes + */ + xfrSize = hjpeg->hdmain->Init.BufferTransferLength; + + if (xfrSize == 0UL) + { + hjpeg->ErrorCode |= HAL_JPEG_ERROR_DMA; + hjpeg->State = HAL_JPEG_STATE_ERROR; + return HAL_ERROR; + } + /*MDMA transfer size (BNDTR) must be a multiple of MDMA buffer size (TLEN)*/ + hjpeg->InDataLength = hjpeg->InDataLength - (hjpeg->InDataLength % xfrSize); + + + if (hjpeg->InDataLength > 0UL) + { + /* Start DMA FIFO In transfer */ + if (HAL_MDMA_Start_IT(hjpeg->hdmain, (uint32_t)hjpeg->pJpegInBuffPtr, (uint32_t)&hjpeg->Instance->DIR, + hjpeg->InDataLength, 1) != HAL_OK) + { + hjpeg->ErrorCode |= HAL_JPEG_ERROR_DMA; + hjpeg->State = HAL_JPEG_STATE_ERROR; + return HAL_ERROR; + } + } + } + if ((XferSelection & JPEG_PAUSE_RESUME_OUTPUT) == JPEG_PAUSE_RESUME_OUTPUT) + { + hjpeg->Context &= (~JPEG_CONTEXT_PAUSE_OUTPUT); + + if ((hjpeg->Context & JPEG_CONTEXT_ENDING_DMA) != 0UL) + { + JPEG_DMA_PollResidualData(hjpeg); + } + else + { + /*if the MDMA Out is triggred with JPEG Out FIFO Threshold flag + then MDMA out buffer size is 32 bytes + else (MDMA Out is triggred with JPEG Out FIFO not empty flag) + then MDMA buffer size is 4 bytes + */ + xfrSize = hjpeg->hdmaout->Init.BufferTransferLength; + + if (xfrSize == 0UL) + { + hjpeg->ErrorCode |= HAL_JPEG_ERROR_DMA; + hjpeg->State = HAL_JPEG_STATE_ERROR; + return HAL_ERROR; + } + /*MDMA transfer size (BNDTR) must be a multiple of MDMA buffer size (TLEN)*/ + hjpeg->OutDataLength = hjpeg->OutDataLength - (hjpeg->OutDataLength % xfrSize); + + /* Start DMA FIFO Out transfer */ + if (HAL_MDMA_Start_IT(hjpeg->hdmaout, (uint32_t)&hjpeg->Instance->DOR, (uint32_t)hjpeg->pJpegOutBuffPtr, + hjpeg->OutDataLength, 1) != HAL_OK) + { + hjpeg->ErrorCode |= HAL_JPEG_ERROR_DMA; + hjpeg->State = HAL_JPEG_STATE_ERROR; + return HAL_ERROR; + } + } + + } + + } + else if ((hjpeg->Context & JPEG_CONTEXT_METHOD_MASK) == JPEG_CONTEXT_IT) + { + if ((XferSelection & JPEG_PAUSE_RESUME_INPUT) == JPEG_PAUSE_RESUME_INPUT) + { + hjpeg->Context &= (~JPEG_CONTEXT_PAUSE_INPUT); + mask |= (JPEG_IT_IFT | JPEG_IT_IFNF); + } + if ((XferSelection & JPEG_PAUSE_RESUME_OUTPUT) == JPEG_PAUSE_RESUME_OUTPUT) + { + hjpeg->Context &= (~JPEG_CONTEXT_PAUSE_OUTPUT); + mask |= (JPEG_IT_OFT | JPEG_IT_OFNE | JPEG_IT_EOC); + } + __HAL_JPEG_ENABLE_IT(hjpeg, mask); + + } + else + { + /* Nothing to do */ + } + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Config Encoding/Decoding Input Buffer. + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module. + * @param pNewInputBuffer Pointer to the new input data buffer + * @param InDataLength Size in bytes of the new Input data buffer + * @retval HAL status + */ +void HAL_JPEG_ConfigInputBuffer(JPEG_HandleTypeDef *hjpeg, uint8_t *pNewInputBuffer, uint32_t InDataLength) +{ + hjpeg->pJpegInBuffPtr = pNewInputBuffer; + hjpeg->InDataLength = InDataLength; +} + +/** + * @brief Config Encoding/Decoding Output Buffer. + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module. + * @param pNewOutputBuffer Pointer to the new output data buffer + * @param OutDataLength Size in bytes of the new Output data buffer + * @retval HAL status + */ +void HAL_JPEG_ConfigOutputBuffer(JPEG_HandleTypeDef *hjpeg, uint8_t *pNewOutputBuffer, uint32_t OutDataLength) +{ + hjpeg->pJpegOutBuffPtr = pNewOutputBuffer; + hjpeg->OutDataLength = OutDataLength; +} + +/** + * @brief Aborts the JPEG Encoding/Decoding. + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @retval HAL status + */ +HAL_StatusTypeDef HAL_JPEG_Abort(JPEG_HandleTypeDef *hjpeg) +{ + uint32_t tickstart; + uint32_t tmpContext; + tmpContext = hjpeg->Context; + + /*Reset the Context operation and method*/ + hjpeg->Context &= ~(JPEG_CONTEXT_OPERATION_MASK | JPEG_CONTEXT_METHOD_MASK | JPEG_CONTEXT_ENDING_DMA); + + if ((tmpContext & JPEG_CONTEXT_METHOD_MASK) == JPEG_CONTEXT_DMA) + { + /* Stop the DMA In/out Xfer*/ + if (HAL_MDMA_Abort(hjpeg->hdmaout) != HAL_OK) + { + if (hjpeg->hdmaout->ErrorCode == HAL_MDMA_ERROR_TIMEOUT) + { + hjpeg->ErrorCode |= HAL_JPEG_ERROR_DMA; + } + } + if (HAL_MDMA_Abort(hjpeg->hdmain) != HAL_OK) + { + if (hjpeg->hdmain->ErrorCode == HAL_MDMA_ERROR_TIMEOUT) + { + hjpeg->ErrorCode |= HAL_JPEG_ERROR_DMA; + } + } + + } + + /* Stop the JPEG encoding/decoding process*/ + hjpeg->Instance->CONFR0 &= ~JPEG_CONFR0_START; + + /* Get tick */ + tickstart = HAL_GetTick(); + + /* Check if the JPEG Codec is effectively disabled */ + while (__HAL_JPEG_GET_FLAG(hjpeg, JPEG_FLAG_COF) != 0UL) + { + /* Check for the Timeout */ + if ((HAL_GetTick() - tickstart) > JPEG_TIMEOUT_VALUE) + { + /* Update error code */ + hjpeg->ErrorCode |= HAL_JPEG_ERROR_TIMEOUT; + + /* Change the DMA state */ + hjpeg->State = HAL_JPEG_STATE_ERROR; + break; + } + } + + /* Disable All Interrupts */ + __HAL_JPEG_DISABLE_IT(hjpeg, JPEG_INTERRUPT_MASK); + + + /* Flush input and output FIFOs*/ + hjpeg->Instance->CR |= JPEG_CR_IFF; + hjpeg->Instance->CR |= JPEG_CR_OFF; + + /* Clear all flags */ + __HAL_JPEG_CLEAR_FLAG(hjpeg, JPEG_FLAG_ALL); + + /* Reset JpegInCount and JpegOutCount */ + hjpeg->JpegInCount = 0; + hjpeg->JpegOutCount = 0; + + /*Reset the Context Pause*/ + hjpeg->Context &= ~(JPEG_CONTEXT_PAUSE_INPUT | JPEG_CONTEXT_PAUSE_OUTPUT); + + /* Change the DMA state*/ + if (hjpeg->ErrorCode != HAL_JPEG_ERROR_NONE) + { + hjpeg->State = HAL_JPEG_STATE_ERROR; + /* Process Unlocked */ + __HAL_UNLOCK(hjpeg); + /* Return function status */ + return HAL_ERROR; + } + else + { + hjpeg->State = HAL_JPEG_STATE_READY; + /* Process Unlocked */ + __HAL_UNLOCK(hjpeg); + /* Return function status */ + return HAL_OK; + } + +} + + +/** + * @} + */ + +/** @defgroup JPEG_Exported_Functions_Group4 JPEG Decode/Encode callback functions + * @brief JPEG process callback functions. + * +@verbatim + ============================================================================== + ##### JPEG Decode and Encode callback functions ##### + ============================================================================== + [..] This section provides callback functions: + (+) HAL_JPEG_InfoReadyCallback() : Decoding JPEG Info ready callback + (+) HAL_JPEG_EncodeCpltCallback() : Encoding complete callback. + (+) HAL_JPEG_DecodeCpltCallback() : Decoding complete callback. + (+) HAL_JPEG_ErrorCallback() : JPEG error callback. + (+) HAL_JPEG_GetDataCallback() : Get New Data chunk callback. + (+) HAL_JPEG_DataReadyCallback() : Decoded/Encoded Data ready callback. + +@endverbatim + * @{ + */ + +/** + * @brief Decoding JPEG Info ready callback. + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @param pInfo pointer to a JPEG_ConfTypeDef structure that contains + * The JPEG decoded header information + * @retval None + */ +__weak void HAL_JPEG_InfoReadyCallback(JPEG_HandleTypeDef *hjpeg, JPEG_ConfTypeDef *pInfo) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hjpeg); + UNUSED(pInfo); + + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_JPEG_HeaderParsingCpltCallback could be implemented in the user file + */ +} + +/** + * @brief Encoding complete callback. + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @retval None + */ +__weak void HAL_JPEG_EncodeCpltCallback(JPEG_HandleTypeDef *hjpeg) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hjpeg); + + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_JPEG_EncodeCpltCallback could be implemented in the user file + */ +} + +/** + * @brief Decoding complete callback. + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @retval None + */ +__weak void HAL_JPEG_DecodeCpltCallback(JPEG_HandleTypeDef *hjpeg) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hjpeg); + + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_JPEG_EncodeCpltCallback could be implemented in the user file + */ +} + +/** + * @brief JPEG error callback. + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @retval None + */ +__weak void HAL_JPEG_ErrorCallback(JPEG_HandleTypeDef *hjpeg) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hjpeg); + + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_JPEG_ErrorCallback could be implemented in the user file + */ +} + +/** + * @brief Get New Data chunk callback. + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @param NbDecodedData Number of consummed data in the previous chunk in bytes + * @retval None + */ +__weak void HAL_JPEG_GetDataCallback(JPEG_HandleTypeDef *hjpeg, uint32_t NbDecodedData) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hjpeg); + UNUSED(NbDecodedData); + + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_JPEG_GetDataCallback could be implemented in the user file + */ +} + +/** + * @brief Decoded/Encoded Data ready callback. + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @param pDataOut pointer to the output data buffer + * @param OutDataLength number in bytes of data available in the specified output buffer + * @retval None + */ +__weak void HAL_JPEG_DataReadyCallback(JPEG_HandleTypeDef *hjpeg, uint8_t *pDataOut, uint32_t OutDataLength) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hjpeg); + UNUSED(pDataOut); + UNUSED(OutDataLength); + + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_JPEG_DataReadyCallback could be implemented in the user file + */ +} + +/** + * @} + */ + + +/** @defgroup JPEG_Exported_Functions_Group5 JPEG IRQ handler management + * @brief JPEG IRQ handler. + * +@verbatim + ============================================================================== + ##### JPEG IRQ handler management ##### + ============================================================================== + [..] This section provides JPEG IRQ handler function. + (+) HAL_JPEG_IRQHandler() : handles JPEG interrupt request + +@endverbatim + * @{ + */ + +/** + * @brief This function handles JPEG interrupt request. + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @retval None + */ +void HAL_JPEG_IRQHandler(JPEG_HandleTypeDef *hjpeg) +{ + switch (hjpeg->State) + { + case HAL_JPEG_STATE_BUSY_ENCODING: + case HAL_JPEG_STATE_BUSY_DECODING: + /* continue JPEG data encoding/Decoding*/ + /* JPEG data processing : In/Out FIFO transfer*/ + if ((hjpeg->Context & JPEG_CONTEXT_METHOD_MASK) == JPEG_CONTEXT_IT) + { + (void) JPEG_Process(hjpeg); + } + else if ((hjpeg->Context & JPEG_CONTEXT_METHOD_MASK) == JPEG_CONTEXT_DMA) + { + JPEG_DMA_ContinueProcess(hjpeg); + } + else + { + /* Nothing to do */ + } + break; + + default: + break; + } +} + +/** + * @} + */ + +/** @defgroup JPEG_Exported_Functions_Group6 Peripheral State functions + * @brief Peripheral State functions. + * +@verbatim + ============================================================================== + ##### Peripheral State and Error functions ##### + ============================================================================== + [..] This section provides JPEG State and Errors function. + (+) HAL_JPEG_GetState() : permits to get in run-time the JPEG state. + (+) HAL_JPEG_GetError() : Returns the JPEG error code if any. + +@endverbatim + * @{ + */ + +/** + * @brief Returns the JPEG state. + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @retval JPEG state + */ +HAL_JPEG_STATETypeDef HAL_JPEG_GetState(JPEG_HandleTypeDef *hjpeg) +{ + return hjpeg->State; +} + +/** + * @brief Return the JPEG error code + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for the specified JPEG. + * @retval JPEG Error Code + */ +uint32_t HAL_JPEG_GetError(JPEG_HandleTypeDef *hjpeg) +{ + return hjpeg->ErrorCode; +} + +/** + * @} + */ + +/** + * @} + */ + + +/** @addtogroup JPEG_Private_Functions + * @{ + */ + +/** + * @brief Generates Huffman sizes/Codes Table from Bits/vals Table + * @param Bits pointer to bits table + * @param Huffsize pointer to sizes table + * @param Huffcode pointer to codes table + * @param LastK pointer to last Coeff (table dimension) + * @retval HAL status + */ +static HAL_StatusTypeDef JPEG_Bits_To_SizeCodes(uint8_t *Bits, uint8_t *Huffsize, uint32_t *Huffcode, uint32_t *LastK) +{ + uint32_t i; + uint32_t p; + uint32_t l; + uint32_t code; + uint32_t si; + + /* Figure C.1: Generation of table of Huffman code sizes */ + p = 0; + for (l = 0; l < 16UL; l++) + { + i = (uint32_t)Bits[l]; + if ((p + i) > 256UL) + { + /* check for table overflow */ + return HAL_ERROR; + } + while (i != 0UL) + { + Huffsize[p] = (uint8_t) l + 1U; + p++; + i--; + } + } + Huffsize[p] = 0; + *LastK = p; + + /* Figure C.2: Generation of table of Huffman codes */ + code = 0; + si = Huffsize[0]; + p = 0; + while (Huffsize[p] != 0U) + { + while (((uint32_t) Huffsize[p]) == si) + { + Huffcode[p] = code; + p++; + code++; + } + /* code must fit in "size" bits (si), no code is allowed to be all ones*/ + if(si > 31UL) + { + return HAL_ERROR; + } + if (((uint32_t) code) >= (((uint32_t) 1) << si)) + { + return HAL_ERROR; + } + code <<= 1; + si++; + } + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Transform a Bits/Vals AC Huffman table to sizes/Codes huffman Table + * that can programmed to the JPEG encoder registers + * @param AC_BitsValsTable pointer to AC huffman bits/vals table + * @param AC_SizeCodesTable pointer to AC huffman Sizes/Codes table + * @retval HAL status + */ +static HAL_StatusTypeDef JPEG_ACHuff_BitsVals_To_SizeCodes(JPEG_ACHuffTableTypeDef *AC_BitsValsTable, + JPEG_AC_HuffCodeTableTypeDef *AC_SizeCodesTable) +{ + HAL_StatusTypeDef error; + uint8_t huffsize[257]; + uint32_t huffcode[257]; + uint32_t k; + uint32_t l, lsb, msb; + uint32_t lastK; + + error = JPEG_Bits_To_SizeCodes(AC_BitsValsTable->Bits, huffsize, huffcode, &lastK); + if (error != HAL_OK) + { + return error; + } + + /* Figure C.3: Ordering procedure for encoding procedure code tables */ + k = 0; + + while (k < lastK) + { + l = AC_BitsValsTable->HuffVal[k]; + if (l == 0UL) + { + l = 160; /*l = 0x00 EOB code*/ + } + else if (l == 0xF0UL) /* l = 0xF0 ZRL code*/ + { + l = 161; + } + else + { + msb = (l & 0xF0UL) >> 4; + lsb = (l & 0x0FUL); + l = (msb * 10UL) + lsb - 1UL; + } + if (l >= JPEG_AC_HUFF_TABLE_SIZE) + { + return HAL_ERROR; /* Huffman Table overflow error*/ + } + else + { + AC_SizeCodesTable->HuffmanCode[l] = huffcode[k]; + AC_SizeCodesTable->CodeLength[l] = huffsize[k] - 1U; + k++; + } + } + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Transform a Bits/Vals DC Huffman table to sizes/Codes huffman Table + * that can programmed to the JPEG encoder registers + * @param DC_BitsValsTable pointer to DC huffman bits/vals table + * @param DC_SizeCodesTable pointer to DC huffman Sizes/Codes table + * @retval HAL status + */ +static HAL_StatusTypeDef JPEG_DCHuff_BitsVals_To_SizeCodes(JPEG_DCHuffTableTypeDef *DC_BitsValsTable, + JPEG_DC_HuffCodeTableTypeDef *DC_SizeCodesTable) +{ + HAL_StatusTypeDef error; + + uint32_t k; + uint32_t l; + uint32_t lastK; + uint8_t huffsize[257]; + uint32_t huffcode[257]; + error = JPEG_Bits_To_SizeCodes(DC_BitsValsTable->Bits, huffsize, huffcode, &lastK); + if (error != HAL_OK) + { + return error; + } + /* Figure C.3: ordering procedure for encoding procedure code tables */ + k = 0; + + while (k < lastK) + { + l = DC_BitsValsTable->HuffVal[k]; + if (l >= JPEG_DC_HUFF_TABLE_SIZE) + { + return HAL_ERROR; /* Huffman Table overflow error*/ + } + else + { + DC_SizeCodesTable->HuffmanCode[l] = huffcode[k]; + DC_SizeCodesTable->CodeLength[l] = huffsize[k] - 1U; + k++; + } + } + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Set the JPEG register with an DC huffman table at the given DC table address + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @param HuffTableDC pointer to DC huffman table + * @param DCTableAddress Encoder DC huffman table address it could be HUFFENC_DC0 or HUFFENC_DC1. + * @retval HAL status + */ +static HAL_StatusTypeDef JPEG_Set_HuffDC_Mem(JPEG_HandleTypeDef *hjpeg, JPEG_DCHuffTableTypeDef *HuffTableDC, + const __IO uint32_t *DCTableAddress) +{ + HAL_StatusTypeDef error; + JPEG_DC_HuffCodeTableTypeDef dcSizeCodesTable; + uint32_t i; + uint32_t lsb; + uint32_t msb; + __IO uint32_t *address, *addressDef; + + if (DCTableAddress == (hjpeg->Instance->HUFFENC_DC0)) + { + address = (hjpeg->Instance->HUFFENC_DC0 + (JPEG_DC_HUFF_TABLE_SIZE / 2UL)); + } + else if (DCTableAddress == (hjpeg->Instance->HUFFENC_DC1)) + { + address = (hjpeg->Instance->HUFFENC_DC1 + (JPEG_DC_HUFF_TABLE_SIZE / 2UL)); + } + else + { + return HAL_ERROR; + } + + if (HuffTableDC != NULL) + { + error = JPEG_DCHuff_BitsVals_To_SizeCodes(HuffTableDC, &dcSizeCodesTable); + if (error != HAL_OK) + { + return error; + } + addressDef = address; + *addressDef = 0x0FFF0FFF; + addressDef++; + *addressDef = 0x0FFF0FFF; + + i = JPEG_DC_HUFF_TABLE_SIZE; + while (i > 1UL) + { + i--; + address --; + msb = ((uint32_t)(((uint32_t)dcSizeCodesTable.CodeLength[i] & 0xFU) << 8)) | ((uint32_t)dcSizeCodesTable.HuffmanCode[i] & + 0xFFUL); + i--; + lsb = ((uint32_t)(((uint32_t)dcSizeCodesTable.CodeLength[i] & 0xFU) << 8)) | ((uint32_t)dcSizeCodesTable.HuffmanCode[i] & + 0xFFUL); + + *address = lsb | (msb << 16); + } + } + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Set the JPEG register with an AC huffman table at the given AC table address + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @param HuffTableAC pointer to AC huffman table + * @param ACTableAddress Encoder AC huffman table address it could be HUFFENC_AC0 or HUFFENC_AC1. + * @retval HAL status + */ +static HAL_StatusTypeDef JPEG_Set_HuffAC_Mem(JPEG_HandleTypeDef *hjpeg, JPEG_ACHuffTableTypeDef *HuffTableAC, + const __IO uint32_t *ACTableAddress) +{ + HAL_StatusTypeDef error; + JPEG_AC_HuffCodeTableTypeDef acSizeCodesTable; + uint32_t i, lsb, msb; + __IO uint32_t *address, *addressDef; + + if (ACTableAddress == (hjpeg->Instance->HUFFENC_AC0)) + { + address = (hjpeg->Instance->HUFFENC_AC0 + (JPEG_AC_HUFF_TABLE_SIZE / 2UL)); + } + else if (ACTableAddress == (hjpeg->Instance->HUFFENC_AC1)) + { + address = (hjpeg->Instance->HUFFENC_AC1 + (JPEG_AC_HUFF_TABLE_SIZE / 2UL)); + } + else + { + return HAL_ERROR; + } + + if (HuffTableAC != NULL) + { + error = JPEG_ACHuff_BitsVals_To_SizeCodes(HuffTableAC, &acSizeCodesTable); + if (error != HAL_OK) + { + return error; + } + /* Default values settings: 162:167 FFFh , 168:175 FD0h_FD7h */ + /* Locations 162:175 of each AC table contain information used internally by the core */ + + addressDef = address; + for (i = 0; i < 3UL; i++) + { + *addressDef = 0x0FFF0FFF; + addressDef++; + } + *addressDef = 0x0FD10FD0; + addressDef++; + *addressDef = 0x0FD30FD2; + addressDef++; + *addressDef = 0x0FD50FD4; + addressDef++; + *addressDef = 0x0FD70FD6; + /* end of Locations 162:175 */ + + + i = JPEG_AC_HUFF_TABLE_SIZE; + while (i > 1UL) + { + i--; + address--; + msb = ((uint32_t)(((uint32_t)acSizeCodesTable.CodeLength[i] & 0xFU) << 8)) | ((uint32_t)acSizeCodesTable.HuffmanCode[i] & + 0xFFUL); + i--; + lsb = ((uint32_t)(((uint32_t)acSizeCodesTable.CodeLength[i] & 0xFU) << 8)) | ((uint32_t)acSizeCodesTable.HuffmanCode[i] & + 0xFFUL); + + *address = lsb | (msb << 16); + } + } + + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Configure the JPEG encoder register huffman tables to used during + * the encdoing operation + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @retval None + */ +static HAL_StatusTypeDef JPEG_Set_HuffEnc_Mem(JPEG_HandleTypeDef *hjpeg) +{ + HAL_StatusTypeDef error; + + JPEG_Set_Huff_DHTMem(hjpeg); + error = JPEG_Set_HuffAC_Mem(hjpeg, (JPEG_ACHuffTableTypeDef *)(uint32_t)&JPEG_ACLUM_HuffTable, + (hjpeg->Instance->HUFFENC_AC0)); + if (error != HAL_OK) + { + return error; + } + + error = JPEG_Set_HuffAC_Mem(hjpeg, (JPEG_ACHuffTableTypeDef *)(uint32_t)&JPEG_ACCHROM_HuffTable, + (hjpeg->Instance->HUFFENC_AC1)); + if (error != HAL_OK) + { + return error; + } + + error = JPEG_Set_HuffDC_Mem(hjpeg, (JPEG_DCHuffTableTypeDef *)(uint32_t)&JPEG_DCLUM_HuffTable, + hjpeg->Instance->HUFFENC_DC0); + if (error != HAL_OK) + { + return error; + } + + error = JPEG_Set_HuffDC_Mem(hjpeg, (JPEG_DCHuffTableTypeDef *)(uint32_t)&JPEG_DCCHROM_HuffTable, + hjpeg->Instance->HUFFENC_DC1); + if (error != HAL_OK) + { + return error; + } + /* Return function status */ + return HAL_OK; +} + +/** + * @brief Configure the JPEG register huffman tables to be included in the JPEG + * file header (used for encoding only) + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @retval None + */ +static void JPEG_Set_Huff_DHTMem(JPEG_HandleTypeDef *hjpeg) +{ + JPEG_ACHuffTableTypeDef *HuffTableAC0 = (JPEG_ACHuffTableTypeDef *)(uint32_t)&JPEG_ACLUM_HuffTable; + JPEG_ACHuffTableTypeDef *HuffTableAC1 = (JPEG_ACHuffTableTypeDef *)(uint32_t)&JPEG_ACCHROM_HuffTable; + JPEG_DCHuffTableTypeDef *HuffTableDC0 = (JPEG_DCHuffTableTypeDef *)(uint32_t)&JPEG_DCLUM_HuffTable; + JPEG_DCHuffTableTypeDef *HuffTableDC1 = (JPEG_DCHuffTableTypeDef *)(uint32_t)&JPEG_DCCHROM_HuffTable; + uint32_t value, index; + __IO uint32_t *address; + + /* DC0 Huffman Table : BITS*/ + /* DC0 BITS is a 16 Bytes table i.e 4x32bits words from DHTMEM base address to DHTMEM + 3*/ + address = (hjpeg->Instance->DHTMEM + 3); + index = 16; + while (index > 3UL) + { + + *address = (((uint32_t)HuffTableDC0->Bits[index - 1UL] & 0xFFUL) << 24) | + (((uint32_t)HuffTableDC0->Bits[index - 2UL] & 0xFFUL) << 16) | + (((uint32_t)HuffTableDC0->Bits[index - 3UL] & 0xFFUL) << 8) | + ((uint32_t)HuffTableDC0->Bits[index - 4UL] & 0xFFUL); + address--; + index -= 4UL; + + } + /* DC0 Huffman Table : Val*/ + /* DC0 VALS is a 12 Bytes table i.e 3x32bits words from DHTMEM base address +4 to DHTMEM + 6 */ + address = (hjpeg->Instance->DHTMEM + 6); + index = 12; + while (index > 3UL) + { + *address = (((uint32_t)HuffTableDC0->HuffVal[index - 1UL] & 0xFFUL) << 24) | + (((uint32_t)HuffTableDC0->HuffVal[index - 2UL] & 0xFFUL) << 16) | + (((uint32_t)HuffTableDC0->HuffVal[index - 3UL] & 0xFFUL) << 8) | + ((uint32_t)HuffTableDC0->HuffVal[index - 4UL] & 0xFFUL); + address--; + index -= 4UL; + } + + /* AC0 Huffman Table : BITS*/ + /* AC0 BITS is a 16 Bytes table i.e 4x32bits words from DHTMEM base address + 7 to DHTMEM + 10*/ + address = (hjpeg->Instance->DHTMEM + 10UL); + index = 16; + while (index > 3UL) + { + + *address = (((uint32_t)HuffTableAC0->Bits[index - 1UL] & 0xFFUL) << 24) | + (((uint32_t)HuffTableAC0->Bits[index - 2UL] & 0xFFUL) << 16) | + (((uint32_t)HuffTableAC0->Bits[index - 3UL] & 0xFFUL) << 8) | + ((uint32_t)HuffTableAC0->Bits[index - 4UL] & 0xFFUL); + address--; + index -= 4UL; + + } + /* AC0 Huffman Table : Val*/ + /* AC0 VALS is a 162 Bytes table i.e 41x32bits words from DHTMEM base address + 11 to DHTMEM + 51 */ + /* only Byte 0 and Byte 1 of the last word (@ DHTMEM + 51) belong to AC0 VALS table */ + address = (hjpeg->Instance->DHTMEM + 51); + value = *address & 0xFFFF0000U; + value = value | (((uint32_t)HuffTableAC0->HuffVal[161] & 0xFFUL) << 8) | ((uint32_t)HuffTableAC0->HuffVal[160] & 0xFFUL); + *address = value; + + /*continue setting 160 AC0 huffman values */ + address--; /* address = hjpeg->Instance->DHTMEM + 50*/ + index = 160; + while (index > 3UL) + { + *address = (((uint32_t)HuffTableAC0->HuffVal[index - 1UL] & 0xFFUL) << 24) | + (((uint32_t)HuffTableAC0->HuffVal[index - 2UL] & 0xFFUL) << 16) | + (((uint32_t)HuffTableAC0->HuffVal[index - 3UL] & 0xFFUL) << 8) | + ((uint32_t)HuffTableAC0->HuffVal[index - 4UL] & 0xFFUL); + address--; + index -= 4UL; + } + + /* DC1 Huffman Table : BITS*/ + /* DC1 BITS is a 16 Bytes table i.e 4x32bits words from DHTMEM + 51 base address to DHTMEM + 55*/ + /* only Byte 2 and Byte 3 of the first word (@ DHTMEM + 51) belong to DC1 Bits table */ + address = (hjpeg->Instance->DHTMEM + 51); + value = *address & 0x0000FFFFU; + value = value | (((uint32_t)HuffTableDC1->Bits[1] & 0xFFUL) << 24) | (((uint32_t)HuffTableDC1->Bits[0] & 0xFFUL) << 16); + *address = value; + + /* only Byte 0 and Byte 1 of the last word (@ DHTMEM + 55) belong to DC1 Bits table */ + address = (hjpeg->Instance->DHTMEM + 55); + value = *address & 0xFFFF0000U; + value = value | (((uint32_t)HuffTableDC1->Bits[15] & 0xFFUL) << 8) | ((uint32_t)HuffTableDC1->Bits[14] & 0xFFUL); + *address = value; + + /*continue setting 12 DC1 huffman Bits from DHTMEM + 54 down to DHTMEM + 52*/ + address--; + index = 12; + while (index > 3UL) + { + + *address = (((uint32_t)HuffTableDC1->Bits[index + 1UL] & 0xFFUL) << 24) | + (((uint32_t)HuffTableDC1->Bits[index] & 0xFFUL) << 16) | + (((uint32_t)HuffTableDC1->Bits[index - 1UL] & 0xFFUL) << 8) | + ((uint32_t)HuffTableDC1->Bits[index - 2UL] & 0xFFUL); + address--; + index -= 4UL; + + } + /* DC1 Huffman Table : Val*/ + /* DC1 VALS is a 12 Bytes table i.e 3x32bits words from DHTMEM base address +55 to DHTMEM + 58 */ + /* only Byte 2 and Byte 3 of the first word (@ DHTMEM + 55) belong to DC1 Val table */ + address = (hjpeg->Instance->DHTMEM + 55); + value = *address & 0x0000FFFFUL; + value = value | (((uint32_t)HuffTableDC1->HuffVal[1] & 0xFFUL) << 24) | (((uint32_t)HuffTableDC1->HuffVal[0] & 0xFFUL) << + 16); + *address = value; + + /* only Byte 0 and Byte 1 of the last word (@ DHTMEM + 58) belong to DC1 Val table */ + address = (hjpeg->Instance->DHTMEM + 58); + value = *address & 0xFFFF0000UL; + value = value | (((uint32_t)HuffTableDC1->HuffVal[11] & 0xFFUL) << 8) | ((uint32_t)HuffTableDC1->HuffVal[10] & 0xFFUL); + *address = value; + + /*continue setting 8 DC1 huffman val from DHTMEM + 57 down to DHTMEM + 56*/ + address--; + index = 8; + while (index > 3UL) + { + *address = (((uint32_t)HuffTableDC1->HuffVal[index + 1UL] & 0xFFUL) << 24) | + (((uint32_t)HuffTableDC1->HuffVal[index] & 0xFFUL) << 16) | + (((uint32_t)HuffTableDC1->HuffVal[index - 1UL] & 0xFFUL) << 8) | + ((uint32_t)HuffTableDC1->HuffVal[index - 2UL] & 0xFFUL); + address--; + index -= 4UL; + } + + /* AC1 Huffman Table : BITS*/ + /* AC1 BITS is a 16 Bytes table i.e 4x32bits words from DHTMEM base address + 58 to DHTMEM + 62*/ + /* only Byte 2 and Byte 3 of the first word (@ DHTMEM + 58) belong to AC1 Bits table */ + address = (hjpeg->Instance->DHTMEM + 58); + value = *address & 0x0000FFFFU; + value = value | (((uint32_t)HuffTableAC1->Bits[1] & 0xFFUL) << 24) | (((uint32_t)HuffTableAC1->Bits[0] & 0xFFUL) << 16); + *address = value; + + /* only Byte 0 and Byte 1 of the last word (@ DHTMEM + 62) belong to Bits Val table */ + address = (hjpeg->Instance->DHTMEM + 62); + value = *address & 0xFFFF0000U; + value = value | (((uint32_t)HuffTableAC1->Bits[15] & 0xFFUL) << 8) | ((uint32_t)HuffTableAC1->Bits[14] & 0xFFUL); + *address = value; + + /*continue setting 12 AC1 huffman Bits from DHTMEM + 61 down to DHTMEM + 59*/ + address--; + index = 12; + while (index > 3UL) + { + + *address = (((uint32_t)HuffTableAC1->Bits[index + 1UL] & 0xFFUL) << 24) | + (((uint32_t)HuffTableAC1->Bits[index] & 0xFFUL) << 16) | + (((uint32_t)HuffTableAC1->Bits[index - 1UL] & 0xFFUL) << 8) | + ((uint32_t)HuffTableAC1->Bits[index - 2UL] & 0xFFUL); + address--; + index -= 4UL; + + } + /* AC1 Huffman Table : Val*/ + /* AC1 VALS is a 162 Bytes table i.e 41x32bits words from DHTMEM base address + 62 to DHTMEM + 102 */ + /* only Byte 2 and Byte 3 of the first word (@ DHTMEM + 62) belong to AC1 VALS table */ + address = (hjpeg->Instance->DHTMEM + 62); + value = *address & 0x0000FFFFUL; + value = value | (((uint32_t)HuffTableAC1->HuffVal[1] & 0xFFUL) << 24) | (((uint32_t)HuffTableAC1->HuffVal[0] & 0xFFUL) << + 16); + *address = value; + + /*continue setting 160 AC1 huffman values from DHTMEM + 63 to DHTMEM+102 */ + address = (hjpeg->Instance->DHTMEM + 102); + index = 160; + while (index > 3UL) + { + *address = (((uint32_t)HuffTableAC1->HuffVal[index + 1UL] & 0xFFUL) << 24) | + (((uint32_t)HuffTableAC1->HuffVal[index] & 0xFFUL) << 16) | + (((uint32_t)HuffTableAC1->HuffVal[index - 1UL] & 0xFFUL) << 8) | + ((uint32_t)HuffTableAC1->HuffVal[index - 2UL] & 0xFFUL); + address--; + index -= 4UL; + } + +} + +/** + * @brief Configure the JPEG registers with a given quantization table + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @param QTable pointer to an array of 64 bytes giving the quantization table + * @param QTableAddress destination quantization address in the JPEG peripheral + * it could be QMEM0, QMEM1, QMEM2 or QMEM3 + * @retval 0 if no error, 1 if error + */ +static uint32_t JPEG_Set_Quantization_Mem(JPEG_HandleTypeDef *hjpeg, uint8_t *QTable, + __IO uint32_t *QTableAddress) +{ + uint32_t i; + uint32_t j; + uint32_t quantRow; + uint32_t quantVal; + uint32_t ScaleFactor; + __IO uint32_t *tableAddress; + + tableAddress = QTableAddress; + + if ((hjpeg->Conf.ImageQuality >= 50UL) && (hjpeg->Conf.ImageQuality <= 100UL)) + { + ScaleFactor = 200UL - (hjpeg->Conf.ImageQuality * 2UL); + } + else if (hjpeg->Conf.ImageQuality > 0UL) + { + ScaleFactor = ((uint32_t) 5000) / ((uint32_t) hjpeg->Conf.ImageQuality); + } + else + { + return 1UL; + } + + /*Quantization_table = (Standard_quanization_table * ScaleFactor + 50) / 100*/ + i = 0; + while (i < (JPEG_QUANT_TABLE_SIZE - 3UL)) + { + quantRow = 0; + for (j = 0; j < 4UL; j++) + { + /* Note that the quantization coefficients must be specified in the table in zigzag order */ + quantVal = ((((uint32_t) QTable[JPEG_ZIGZAG_ORDER[i + j]]) * ScaleFactor) + 50UL) / 100UL; + + if (quantVal == 0UL) + { + quantVal = 1UL; + } + else if (quantVal > 255UL) + { + quantVal = 255UL; + } + else + { + /* Nothing to do, keep same value of quantVal */ + } + + quantRow |= ((quantVal & 0xFFUL) << (8UL * j)); + } + + i += 4UL; + *tableAddress = quantRow; + tableAddress ++; + } + + /* Return function status */ + return 0UL; +} + +/** + * @brief Configure the JPEG registers for YCbCr color space + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @retval None + */ +static void JPEG_SetColorYCBCR(JPEG_HandleTypeDef *hjpeg) +{ + uint32_t ySamplingH; + uint32_t ySamplingV; + uint32_t yblockNb; + + /*Set Number of color components to 3*/ + hjpeg->Instance->CONFR1 &= ~JPEG_CONFR1_NF; + hjpeg->Instance->CONFR1 |= JPEG_CONFR1_NF_1; + + /* compute MCU block size and Y, Cb ,Cr sampling factors*/ + if (hjpeg->Conf.ChromaSubsampling == JPEG_420_SUBSAMPLING) + { + ySamplingH = JPEG_CONFR4_HSF_1; /* Hs = 2*/ + ySamplingV = JPEG_CONFR4_VSF_1; /* Vs = 2*/ + + yblockNb = 0x30; /* 4 blocks of 8x8*/ + } + else if (hjpeg->Conf.ChromaSubsampling == JPEG_422_SUBSAMPLING) + { + ySamplingH = JPEG_CONFR4_HSF_1; /* Hs = 2*/ + ySamplingV = JPEG_CONFR4_VSF_0; /* Vs = 1*/ + + yblockNb = 0x10; /* 2 blocks of 8x8*/ + } + else /*JPEG_444_SUBSAMPLING and default*/ + { + ySamplingH = JPEG_CONFR4_HSF_0; /* Hs = 1*/ + ySamplingV = JPEG_CONFR4_VSF_0; /* Vs = 1*/ + + yblockNb = 0; /* 1 block of 8x8*/ + } + + hjpeg->Instance->CONFR1 &= ~(JPEG_CONFR1_NF | JPEG_CONFR1_NS); + hjpeg->Instance->CONFR1 |= (JPEG_CONFR1_NF_1 | JPEG_CONFR1_NS_1); + + /*Reset CONFR4 register*/ + hjpeg->Instance->CONFR4 = 0; + /*Set Horizental and Vertical sampling factor , number of blocks , Quantization table and Huffman AC/DC tables for component 0*/ + hjpeg->Instance->CONFR4 |= (ySamplingH | ySamplingV | (yblockNb & JPEG_CONFR4_NB)); + + /*Reset CONFR5 register*/ + hjpeg->Instance->CONFR5 = 0; + /*Set Horizental and Vertical sampling factor , number of blocks , Quantization table and Huffman AC/DC tables for component 1*/ + hjpeg->Instance->CONFR5 |= (JPEG_CONFR5_HSF_0 | JPEG_CONFR5_VSF_0 | JPEG_CONFR5_QT_0 | JPEG_CONFR5_HA | JPEG_CONFR5_HD); + + /*Reset CONFR6 register*/ + hjpeg->Instance->CONFR6 = 0; + /*Set Horizental and Vertical sampling factor and number of blocks for component 2*/ + /* In YCBCR , by default, both chrominance components (component 1 and component 2) use the same Quantization table (table 1) */ + /* In YCBCR , both chrominance components (component 1 and component 2) use the same Huffman tables (table 1) */ + hjpeg->Instance->CONFR6 |= (JPEG_CONFR6_HSF_0 | JPEG_CONFR6_VSF_0 | JPEG_CONFR6_QT_0 | JPEG_CONFR6_HA | JPEG_CONFR6_HD); + +} + +/** + * @brief Configure the JPEG registers for GrayScale color space + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @retval None + */ +static void JPEG_SetColorGrayScale(JPEG_HandleTypeDef *hjpeg) +{ + /*Set Number of color components to 1*/ + hjpeg->Instance->CONFR1 &= ~(JPEG_CONFR1_NF | JPEG_CONFR1_NS); + + /*in GrayScale use 1 single Quantization table (Table 0)*/ + /*in GrayScale use only one couple of AC/DC huffman table (table 0)*/ + + /*Reset CONFR4 register*/ + hjpeg->Instance->CONFR4 = 0; + /*Set Horizental and Vertical sampling factor , number of blocks , Quantization table and Huffman AC/DC tables for component 0*/ + hjpeg->Instance->CONFR4 |= JPEG_CONFR4_HSF_0 | JPEG_CONFR4_VSF_0 ; +} + +/** + * @brief Configure the JPEG registers for CMYK color space + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @retval None + */ +static void JPEG_SetColorCMYK(JPEG_HandleTypeDef *hjpeg) +{ + uint32_t ySamplingH; + uint32_t ySamplingV; + uint32_t yblockNb; + + /*Set Number of color components to 4*/ + hjpeg->Instance->CONFR1 |= (JPEG_CONFR1_NF | JPEG_CONFR1_NS); + + /* compute MCU block size and Y, Cb ,Cr sampling factors*/ + if (hjpeg->Conf.ChromaSubsampling == JPEG_420_SUBSAMPLING) + { + ySamplingH = JPEG_CONFR4_HSF_1; /* Hs = 2*/ + ySamplingV = JPEG_CONFR4_VSF_1; /* Vs = 2*/ + + yblockNb = 0x30; /* 4 blocks of 8x8*/ + } + else if (hjpeg->Conf.ChromaSubsampling == JPEG_422_SUBSAMPLING) + { + ySamplingH = JPEG_CONFR4_HSF_1; /* Hs = 2*/ + ySamplingV = JPEG_CONFR4_VSF_0; /* Vs = 1*/ + + yblockNb = 0x10; /* 2 blocks of 8x8*/ + } + else /*JPEG_444_SUBSAMPLING and default*/ + { + ySamplingH = JPEG_CONFR4_HSF_0; /* Hs = 1*/ + ySamplingV = JPEG_CONFR4_VSF_0; /* Vs = 1*/ + + yblockNb = 0; /* 1 block of 8x8*/ + } + + /*Reset CONFR4 register*/ + hjpeg->Instance->CONFR4 = 0; + /*Set Horizental and Vertical sampling factor , number of blocks , Quantization table and Huffman AC/DC tables for component 0*/ + hjpeg->Instance->CONFR4 |= (ySamplingH | ySamplingV | (yblockNb & JPEG_CONFR4_NB)); + + /*Reset CONFR5 register*/ + hjpeg->Instance->CONFR5 = 0; + /*Set Horizental and Vertical sampling factor , number of blocks , Quantization table and Huffman AC/DC tables for component 1*/ + hjpeg->Instance->CONFR5 |= (JPEG_CONFR5_HSF_0 | JPEG_CONFR5_VSF_0); + + /*Reset CONFR6 register*/ + hjpeg->Instance->CONFR6 = 0; + /*Set Horizental and Vertical sampling factor , number of blocks , Quantization table and Huffman AC/DC tables for component 2*/ + hjpeg->Instance->CONFR6 |= (JPEG_CONFR6_HSF_0 | JPEG_CONFR6_VSF_0); + + /*Reset CONFR7 register*/ + hjpeg->Instance->CONFR7 = 0; + /*Set Horizental and Vertical sampling factor , number of blocks , Quantization table and Huffman AC/DC tables for component 3*/ + hjpeg->Instance->CONFR7 |= (JPEG_CONFR7_HSF_0 | JPEG_CONFR7_VSF_0); +} + +/** + * @brief Init the JPEG encoding/decoding process in case of Polling or Interrupt and DMA + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @retval None + */ +static void JPEG_Init_Process(JPEG_HandleTypeDef *hjpeg) +{ + /*Reset pause*/ + hjpeg->Context &= (~(JPEG_CONTEXT_PAUSE_INPUT | JPEG_CONTEXT_PAUSE_OUTPUT)); + + if ((hjpeg->Context & JPEG_CONTEXT_OPERATION_MASK) == JPEG_CONTEXT_DECODE) + { + /*Set JPEG Codec to Decoding mode */ + hjpeg->Instance->CONFR1 |= JPEG_CONFR1_DE; + } + else /* JPEG_CONTEXT_ENCODE */ + { + /*Set JPEG Codec to Encoding mode */ + hjpeg->Instance->CONFR1 &= ~JPEG_CONFR1_DE; + } + + /*Stop JPEG processing */ + hjpeg->Instance->CONFR0 &= ~JPEG_CONFR0_START; + + /* Disable All Interrupts */ + __HAL_JPEG_DISABLE_IT(hjpeg, JPEG_INTERRUPT_MASK); + + /* Flush input and output FIFOs*/ + hjpeg->Instance->CR |= JPEG_CR_IFF; + hjpeg->Instance->CR |= JPEG_CR_OFF; + + /* Clear all flags */ + __HAL_JPEG_CLEAR_FLAG(hjpeg, JPEG_FLAG_ALL); + + /*Start Encoding/Decoding*/ + hjpeg->Instance->CONFR0 |= JPEG_CONFR0_START; + + if ((hjpeg->Context & JPEG_CONTEXT_METHOD_MASK) == JPEG_CONTEXT_IT) + { + /*Enable IN/OUT, end of Conversation, and end of header parsing interruptions*/ + __HAL_JPEG_ENABLE_IT(hjpeg, JPEG_IT_IFT | JPEG_IT_IFNF | JPEG_IT_OFT | JPEG_IT_OFNE | JPEG_IT_EOC | JPEG_IT_HPD); + } + else if ((hjpeg->Context & JPEG_CONTEXT_METHOD_MASK) == JPEG_CONTEXT_DMA) + { + /*Enable End Of Conversation, and End Of Header parsing interruptions*/ + __HAL_JPEG_ENABLE_IT(hjpeg, JPEG_IT_EOC | JPEG_IT_HPD); + + } + else + { + /* Nothing to do */ + } +} + +/** + * @brief JPEG encoding/decoding process in case of Polling or Interrupt + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @retval JPEG_PROCESS_DONE if the process has ends else JPEG_PROCESS_ONGOING + */ +static uint32_t JPEG_Process(JPEG_HandleTypeDef *hjpeg) +{ + uint32_t tmpContext; + + /*End of header processing flag */ + if ((hjpeg->Context & JPEG_CONTEXT_OPERATION_MASK) == JPEG_CONTEXT_DECODE) + { + if (__HAL_JPEG_GET_FLAG(hjpeg, JPEG_FLAG_HPDF) != 0UL) + { + /*Call Header parsing complete callback */ + (void) HAL_JPEG_GetInfo(hjpeg, &hjpeg->Conf); + /* Reset the ImageQuality */ + hjpeg->Conf.ImageQuality = 0; + /* Note : the image quality is only available at the end of the decoding operation */ + /* at the current stage the calculated image quality is not correct so reset it */ + + /*Call Info Ready callback */ +#if (USE_HAL_JPEG_REGISTER_CALLBACKS == 1) + hjpeg->InfoReadyCallback(hjpeg, &hjpeg->Conf); +#else + HAL_JPEG_InfoReadyCallback(hjpeg, &hjpeg->Conf); +#endif /* USE_HAL_JPEG_REGISTER_CALLBACKS */ + + __HAL_JPEG_DISABLE_IT(hjpeg, JPEG_IT_HPD); + + /* Clear header processing done flag */ + __HAL_JPEG_CLEAR_FLAG(hjpeg, JPEG_FLAG_HPDF); + } + } + + /*Input FIFO status handling*/ + if ((hjpeg->Context & JPEG_CONTEXT_PAUSE_INPUT) == 0UL) + { + if (__HAL_JPEG_GET_FLAG(hjpeg, JPEG_FLAG_IFTF) != 0UL) + { + /*Input FIFO threshold flag */ + /*JPEG_FIFO_TH_SIZE words can be written in */ + JPEG_ReadInputData(hjpeg, JPEG_FIFO_TH_SIZE); + } + else if (__HAL_JPEG_GET_FLAG(hjpeg, JPEG_FLAG_IFNFF) != 0UL) + { + /*Input FIFO Not Full flag */ + /*32-bit value can be written in */ + JPEG_ReadInputData(hjpeg, 1); + } + else + { + /* Nothing to do */ + } + } + + + /*Output FIFO flag handling*/ + if ((hjpeg->Context & JPEG_CONTEXT_PAUSE_OUTPUT) == 0UL) + { + if (__HAL_JPEG_GET_FLAG(hjpeg, JPEG_FLAG_OFTF) != 0UL) + { + /*Output FIFO threshold flag */ + /*JPEG_FIFO_TH_SIZE words can be read out */ + JPEG_StoreOutputData(hjpeg, JPEG_FIFO_TH_SIZE); + } + else if (__HAL_JPEG_GET_FLAG(hjpeg, JPEG_FLAG_OFNEF) != 0UL) + { + /*Output FIFO Not Empty flag */ + /*32-bit value can be read out */ + JPEG_StoreOutputData(hjpeg, 1); + } + else + { + /* Nothing to do */ + } + } + + /*End of Conversion handling :i.e EOC flag is high and OFTF low and OFNEF low*/ + if (__HAL_JPEG_GET_FLAG(hjpeg, JPEG_FLAG_EOCF | JPEG_FLAG_OFTF | JPEG_FLAG_OFNEF) == JPEG_FLAG_EOCF) + { + /*Stop Encoding/Decoding*/ + hjpeg->Instance->CONFR0 &= ~JPEG_CONFR0_START; + + if ((hjpeg->Context & JPEG_CONTEXT_METHOD_MASK) == JPEG_CONTEXT_IT) + { + /* Disable All Interrupts */ + __HAL_JPEG_DISABLE_IT(hjpeg, JPEG_INTERRUPT_MASK); + } + + /* Clear all flags */ + __HAL_JPEG_CLEAR_FLAG(hjpeg, JPEG_FLAG_ALL); + + /*Call End of conversion callback */ + if (hjpeg->JpegOutCount > 0UL) + { + /*Output Buffer is not empty, call DecodedDataReadyCallback*/ +#if (USE_HAL_JPEG_REGISTER_CALLBACKS == 1) + hjpeg->DataReadyCallback(hjpeg, hjpeg->pJpegOutBuffPtr, hjpeg->JpegOutCount); +#else + HAL_JPEG_DataReadyCallback(hjpeg, hjpeg->pJpegOutBuffPtr, hjpeg->JpegOutCount); +#endif /* USE_HAL_JPEG_REGISTER_CALLBACKS */ + + hjpeg->JpegOutCount = 0; + } + + /*Reset Context Operation*/ + tmpContext = hjpeg->Context; + /*Clear all context fields execpt JPEG_CONTEXT_CONF_ENCODING and JPEG_CONTEXT_CUSTOM_TABLES*/ + hjpeg->Context &= (JPEG_CONTEXT_CONF_ENCODING | JPEG_CONTEXT_CUSTOM_TABLES); + + /* Process Unlocked */ + __HAL_UNLOCK(hjpeg); + + /* Change the JPEG state */ + hjpeg->State = HAL_JPEG_STATE_READY; + + /*Call End of Encoding/Decoding callback */ + if ((tmpContext & JPEG_CONTEXT_OPERATION_MASK) == JPEG_CONTEXT_DECODE) + { +#if (USE_HAL_JPEG_REGISTER_CALLBACKS == 1) + hjpeg->DecodeCpltCallback(hjpeg); +#else + HAL_JPEG_DecodeCpltCallback(hjpeg); +#endif /*USE_HAL_JPEG_REGISTER_CALLBACKS*/ + } + else /* JPEG_CONTEXT_ENCODE */ + { +#if (USE_HAL_JPEG_REGISTER_CALLBACKS == 1) + hjpeg->EncodeCpltCallback(hjpeg); +#else + HAL_JPEG_EncodeCpltCallback(hjpeg); +#endif + } + + return JPEG_PROCESS_DONE; + } + + + return JPEG_PROCESS_ONGOING; +} + +/** + * @brief Store some output data from the JPEG peripheral to the output buffer. + * This function is used when the JPEG peripheral has new data to output + * in case of Polling or Interrupt process + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @param nbOutputWords Number of output words (of 32 bits) ready from the JPEG peripheral + * @retval None + */ +static void JPEG_StoreOutputData(JPEG_HandleTypeDef *hjpeg, uint32_t nbOutputWords) +{ + uint32_t index; + uint32_t nb_words; + uint32_t nb_bytes; + uint32_t dataword; + + if (hjpeg->OutDataLength >= (hjpeg->JpegOutCount + (nbOutputWords * 4UL))) + { + for (index = 0; index < nbOutputWords; index++) + { + /*Transfer 32 bits from the JPEG output FIFO*/ + dataword = hjpeg->Instance->DOR; + hjpeg->pJpegOutBuffPtr[hjpeg->JpegOutCount] = (uint8_t)(dataword & 0x000000FFUL); + hjpeg->pJpegOutBuffPtr[hjpeg->JpegOutCount + 1UL] = (uint8_t)((dataword & 0x0000FF00UL) >> 8); + hjpeg->pJpegOutBuffPtr[hjpeg->JpegOutCount + 2UL] = (uint8_t)((dataword & 0x00FF0000UL) >> 16); + hjpeg->pJpegOutBuffPtr[hjpeg->JpegOutCount + 3UL] = (uint8_t)((dataword & 0xFF000000UL) >> 24); + hjpeg->JpegOutCount += 4UL; + } + if (hjpeg->OutDataLength == hjpeg->JpegOutCount) + { + /*Output Buffer is full, call DecodedDataReadyCallback*/ +#if (USE_HAL_JPEG_REGISTER_CALLBACKS == 1) + hjpeg->DataReadyCallback(hjpeg, hjpeg->pJpegOutBuffPtr, hjpeg->JpegOutCount); +#else + HAL_JPEG_DataReadyCallback(hjpeg, hjpeg->pJpegOutBuffPtr, hjpeg->JpegOutCount); +#endif /*USE_HAL_JPEG_REGISTER_CALLBACKS*/ + hjpeg->JpegOutCount = 0; + } + } + else if (hjpeg->OutDataLength > hjpeg->JpegOutCount) + { + nb_words = (hjpeg->OutDataLength - hjpeg->JpegOutCount) / 4UL; + for (index = 0; index < nb_words; index++) + { + /*Transfer 32 bits from the JPEG output FIFO*/ + dataword = hjpeg->Instance->DOR; + hjpeg->pJpegOutBuffPtr[hjpeg->JpegOutCount] = (uint8_t)(dataword & 0x000000FFUL); + hjpeg->pJpegOutBuffPtr[hjpeg->JpegOutCount + 1UL] = (uint8_t)((dataword & 0x0000FF00UL) >> 8); + hjpeg->pJpegOutBuffPtr[hjpeg->JpegOutCount + 2UL] = (uint8_t)((dataword & 0x00FF0000UL) >> 16); + hjpeg->pJpegOutBuffPtr[hjpeg->JpegOutCount + 3UL] = (uint8_t)((dataword & 0xFF000000UL) >> 24); + hjpeg->JpegOutCount += 4UL; + } + if (hjpeg->OutDataLength == hjpeg->JpegOutCount) + { + /*Output Buffer is full, call DecodedDataReadyCallback*/ +#if (USE_HAL_JPEG_REGISTER_CALLBACKS == 1) + hjpeg->DataReadyCallback(hjpeg, hjpeg->pJpegOutBuffPtr, hjpeg->JpegOutCount); +#else + HAL_JPEG_DataReadyCallback(hjpeg, hjpeg->pJpegOutBuffPtr, hjpeg->JpegOutCount); +#endif /* USE_HAL_JPEG_REGISTER_CALLBACKS */ + hjpeg->JpegOutCount = 0; + } + else + { + nb_bytes = hjpeg->OutDataLength - hjpeg->JpegOutCount; + dataword = hjpeg->Instance->DOR; + for (index = 0; index < nb_bytes; index++) + { + hjpeg->pJpegOutBuffPtr[hjpeg->JpegOutCount] = (uint8_t)((dataword >> (8UL * (index & 0x3UL))) & 0xFFUL); + hjpeg->JpegOutCount++; + } + /*Output Buffer is full, call DecodedDataReadyCallback*/ +#if (USE_HAL_JPEG_REGISTER_CALLBACKS == 1) + hjpeg->DataReadyCallback(hjpeg, hjpeg->pJpegOutBuffPtr, hjpeg->JpegOutCount); +#else + HAL_JPEG_DataReadyCallback(hjpeg, hjpeg->pJpegOutBuffPtr, hjpeg->JpegOutCount); +#endif /* USE_HAL_JPEG_REGISTER_CALLBACKS */ + + hjpeg->JpegOutCount = 0; + + nb_bytes = 4UL - nb_bytes; + for (index = nb_bytes; index < 4UL; index++) + { + hjpeg->pJpegOutBuffPtr[hjpeg->JpegOutCount] = (uint8_t)((dataword >> (8UL * index)) & 0xFFUL); + hjpeg->JpegOutCount++; + } + } + } + else + { + /* Nothing to do */ + } +} + +/** + * @brief Read some input Data from the input buffer. + * This function is used when the JPEG peripheral needs new data + * in case of Polling or Interrupt process + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @param nbRequestWords Number of input words (of 32 bits) that the JPE peripheral request + * @retval None + */ +static void JPEG_ReadInputData(JPEG_HandleTypeDef *hjpeg, uint32_t nbRequestWords) +{ + uint32_t nb_bytes = 0; + uint32_t nb_words; + uint32_t index; + uint32_t dataword; + uint32_t input_count; + + if ((hjpeg->InDataLength == 0UL) || (nbRequestWords == 0UL)) + { + /* No more Input data : nothing to do*/ + (void) HAL_JPEG_Pause(hjpeg, JPEG_PAUSE_RESUME_INPUT); + } + else if (hjpeg->InDataLength > hjpeg->JpegInCount) + { + nb_bytes = hjpeg->InDataLength - hjpeg->JpegInCount; + } + else if (hjpeg->InDataLength == hjpeg->JpegInCount) + { + /*Call HAL_JPEG_GetDataCallback to get new data */ +#if (USE_HAL_JPEG_REGISTER_CALLBACKS == 1) + hjpeg->GetDataCallback(hjpeg, hjpeg->JpegInCount); +#else + HAL_JPEG_GetDataCallback(hjpeg, hjpeg->JpegInCount); +#endif /*USE_HAL_JPEG_REGISTER_CALLBACKS*/ + + if (hjpeg->InDataLength > 4UL) + { + hjpeg->InDataLength = hjpeg->InDataLength - (hjpeg->InDataLength % 4UL); + } + hjpeg->JpegInCount = 0; + nb_bytes = hjpeg->InDataLength; + } + else + { + /* Nothing to do */ + } + if (((hjpeg->Context & JPEG_CONTEXT_PAUSE_INPUT) == 0UL) && (nb_bytes > 0UL)) + { + nb_words = nb_bytes / 4UL; + if (nb_words >= nbRequestWords) + { + for (index = 0; index < nbRequestWords; index++) + { + input_count = hjpeg->JpegInCount; + hjpeg->Instance->DIR = (((uint32_t)(hjpeg->pJpegInBuffPtr[input_count])) | \ + (((uint32_t)(hjpeg->pJpegInBuffPtr[input_count + 1UL])) << 8) | \ + (((uint32_t)(hjpeg->pJpegInBuffPtr[input_count + 2UL])) << 16) | \ + (((uint32_t)(hjpeg->pJpegInBuffPtr[input_count + 3UL])) << 24)); + + hjpeg->JpegInCount += 4UL; + } + } + else /*nb_words < nbRequestWords*/ + { + if (nb_words > 0UL) + { + for (index = 0; index < nb_words; index++) + { + input_count = hjpeg->JpegInCount; + hjpeg->Instance->DIR = (((uint32_t)(hjpeg->pJpegInBuffPtr[input_count])) | \ + (((uint32_t)(hjpeg->pJpegInBuffPtr[input_count + 1UL])) << 8) | \ + (((uint32_t)(hjpeg->pJpegInBuffPtr[input_count + 2UL])) << 16) | \ + (((uint32_t)(hjpeg->pJpegInBuffPtr[input_count + 3UL])) << 24)); + + hjpeg->JpegInCount += 4UL; + } + } + else + { + /* end of file*/ + dataword = 0; + for (index = 0; index < nb_bytes; index++) + { + dataword |= (uint32_t)hjpeg->pJpegInBuffPtr[hjpeg->JpegInCount] << (8UL * (index & 0x03UL)); + hjpeg->JpegInCount++; + } + hjpeg->Instance->DIR = dataword; + } + } + } +} + +/** + * @brief Start the JPEG DMA process (encoding/decoding) + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @retval JPEG_PROCESS_DONE if process ends else JPEG_PROCESS_ONGOING + */ +static HAL_StatusTypeDef JPEG_DMA_StartProcess(JPEG_HandleTypeDef *hjpeg) +{ + uint32_t inXfrSize, outXfrSize; + + /*if the MDMA In is triggred with JPEG In FIFO Threshold flag + then MDMA In buffer size is 32 bytes + else (MDMA In is triggred with JPEG In FIFO not full flag) + then MDMA In buffer size is 4 bytes + */ + inXfrSize = hjpeg->hdmain->Init.BufferTransferLength; + + /*if the MDMA Out is triggred with JPEG Out FIFO Threshold flag + then MDMA out buffer size is 32 bytes + else (MDMA Out is triggred with JPEG Out FIFO not empty flag) + then MDMA buffer size is 4 bytes + */ + outXfrSize = hjpeg->hdmaout->Init.BufferTransferLength; + + if ((hjpeg->InDataLength < inXfrSize) || (hjpeg->OutDataLength < outXfrSize)) + { + return HAL_ERROR; + } + /* Set the JPEG MDMA In transfer complete callback */ + hjpeg->hdmain->XferCpltCallback = JPEG_MDMAInCpltCallback; + /* Set the MDMA In error callback */ + hjpeg->hdmain->XferErrorCallback = JPEG_MDMAErrorCallback; + + /* Set the JPEG MDMA Out transfer complete callback */ + hjpeg->hdmaout->XferCpltCallback = JPEG_MDMAOutCpltCallback; + /* Set the MDMA In error callback */ + hjpeg->hdmaout->XferErrorCallback = JPEG_MDMAErrorCallback; + /* Set the MDMA Out Abort callback */ + hjpeg->hdmaout->XferAbortCallback = JPEG_MDMAOutAbortCallback; + + if ((inXfrSize == 0UL) || (outXfrSize == 0UL)) + { + hjpeg->ErrorCode |= HAL_JPEG_ERROR_DMA; + return HAL_ERROR; + } + /*MDMA transfer size (BNDTR) must be a multiple of MDMA buffer size (TLEN)*/ + hjpeg->InDataLength = hjpeg->InDataLength - (hjpeg->InDataLength % inXfrSize); + + /*MDMA transfer size (BNDTR) must be a multiple of MDMA buffer size (TLEN)*/ + hjpeg->OutDataLength = hjpeg->OutDataLength - (hjpeg->OutDataLength % outXfrSize); + + + /* Start MDMA FIFO Out transfer */ + if (HAL_MDMA_Start_IT(hjpeg->hdmaout, (uint32_t)&hjpeg->Instance->DOR, (uint32_t)hjpeg->pJpegOutBuffPtr, + hjpeg->OutDataLength, 1) != HAL_OK) + { + hjpeg->ErrorCode |= HAL_JPEG_ERROR_DMA; + return HAL_ERROR; + } + /* Start DMA FIFO In transfer */ + if (HAL_MDMA_Start_IT(hjpeg->hdmain, (uint32_t)hjpeg->pJpegInBuffPtr, (uint32_t)&hjpeg->Instance->DIR, + hjpeg->InDataLength, 1) != HAL_OK) + { + hjpeg->ErrorCode |= HAL_JPEG_ERROR_DMA; + return HAL_ERROR; + } + + return HAL_OK; +} + +/** + * @brief Continue the current JPEG DMA process (encoding/decoding) + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @retval JPEG_PROCESS_DONE if process ends else JPEG_PROCESS_ONGOING + */ +static void JPEG_DMA_ContinueProcess(JPEG_HandleTypeDef *hjpeg) +{ + /*End of header processing flag rises*/ + if ((hjpeg->Context & JPEG_CONTEXT_OPERATION_MASK) == JPEG_CONTEXT_DECODE) + { + if (__HAL_JPEG_GET_FLAG(hjpeg, JPEG_FLAG_HPDF) != 0UL) + { + /*Call Header parsing complete callback */ + (void) HAL_JPEG_GetInfo(hjpeg, &hjpeg->Conf); + + /* Reset the ImageQuality */ + hjpeg->Conf.ImageQuality = 0; + /* Note : the image quality is only available at the end of the decoding operation */ + /* at the current stage the calculated image quality is not correct so reset it */ + + /*Call Info Ready callback */ +#if (USE_HAL_JPEG_REGISTER_CALLBACKS == 1) + hjpeg->InfoReadyCallback(hjpeg, &hjpeg->Conf); +#else + HAL_JPEG_InfoReadyCallback(hjpeg, &hjpeg->Conf); +#endif /* USE_HAL_JPEG_REGISTER_CALLBACKS */ + + __HAL_JPEG_DISABLE_IT(hjpeg, JPEG_IT_HPD); + + /* Clear header processing done flag */ + __HAL_JPEG_CLEAR_FLAG(hjpeg, JPEG_FLAG_HPDF); + } + } + + /*End of Conversion handling*/ + if (__HAL_JPEG_GET_FLAG(hjpeg, JPEG_FLAG_EOCF) != 0UL) + { + + hjpeg->Context |= JPEG_CONTEXT_ENDING_DMA; + + /*Stop Encoding/Decoding*/ + hjpeg->Instance->CONFR0 &= ~JPEG_CONFR0_START; + + __HAL_JPEG_DISABLE_IT(hjpeg, JPEG_INTERRUPT_MASK); + + /* Clear all flags */ + __HAL_JPEG_CLEAR_FLAG(hjpeg, JPEG_FLAG_ALL); + + if (hjpeg->hdmain->State == HAL_MDMA_STATE_BUSY) + { + /* Stop the MDMA In Xfer*/ + (void) HAL_MDMA_Abort_IT(hjpeg->hdmain); + } + + if (hjpeg->hdmaout->State == HAL_MDMA_STATE_BUSY) + { + /* Stop the MDMA out Xfer*/ + (void) HAL_MDMA_Abort_IT(hjpeg->hdmaout); + } + else + { + JPEG_DMA_EndProcess(hjpeg); + } + } + + +} + +/** + * @brief Finalize the current JPEG DMA process (encoding/decoding) + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @retval JPEG_PROCESS_DONE + */ +static void JPEG_DMA_EndProcess(JPEG_HandleTypeDef *hjpeg) +{ + uint32_t tmpContext; + hjpeg->JpegOutCount = hjpeg->OutDataLength - (hjpeg->hdmaout->Instance->CBNDTR & MDMA_CBNDTR_BNDT); + + /*if Output Buffer is full, call HAL_JPEG_DataReadyCallback*/ + if (hjpeg->JpegOutCount == hjpeg->OutDataLength) + { +#if (USE_HAL_JPEG_REGISTER_CALLBACKS == 1) + hjpeg->DataReadyCallback(hjpeg, hjpeg->pJpegOutBuffPtr, hjpeg->JpegOutCount); +#else + HAL_JPEG_DataReadyCallback(hjpeg, hjpeg->pJpegOutBuffPtr, hjpeg->JpegOutCount); +#endif /* USE_HAL_JPEG_REGISTER_CALLBACKS */ + + hjpeg->JpegOutCount = 0; + } + + /*Check if remaining data in the output FIFO*/ + if (__HAL_JPEG_GET_FLAG(hjpeg, JPEG_FLAG_OFNEF) == 0UL) + { + if (hjpeg->JpegOutCount > 0UL) + { + /*Output Buffer is not empty, call DecodedDataReadyCallback*/ +#if (USE_HAL_JPEG_REGISTER_CALLBACKS == 1) + hjpeg->DataReadyCallback(hjpeg, hjpeg->pJpegOutBuffPtr, hjpeg->JpegOutCount); +#else + HAL_JPEG_DataReadyCallback(hjpeg, hjpeg->pJpegOutBuffPtr, hjpeg->JpegOutCount); +#endif /* USE_HAL_JPEG_REGISTER_CALLBACKS */ + + hjpeg->JpegOutCount = 0; + } + + /*Stop Encoding/Decoding*/ + hjpeg->Instance->CONFR0 &= ~JPEG_CONFR0_START; + + tmpContext = hjpeg->Context; + /*Clear all context fields execpt JPEG_CONTEXT_CONF_ENCODING and JPEG_CONTEXT_CUSTOM_TABLES*/ + hjpeg->Context &= (JPEG_CONTEXT_CONF_ENCODING | JPEG_CONTEXT_CUSTOM_TABLES); + + /* Process Unlocked */ + __HAL_UNLOCK(hjpeg); + + /* Change the JPEG state */ + hjpeg->State = HAL_JPEG_STATE_READY; + + /*Call End of Encoding/Decoding callback */ + if ((tmpContext & JPEG_CONTEXT_OPERATION_MASK) == JPEG_CONTEXT_DECODE) + { +#if (USE_HAL_JPEG_REGISTER_CALLBACKS == 1) + hjpeg->DecodeCpltCallback(hjpeg); +#else + HAL_JPEG_DecodeCpltCallback(hjpeg); +#endif /* USE_HAL_JPEG_REGISTER_CALLBACKS */ + } + else /* JPEG_CONTEXT_ENCODE */ + { +#if (USE_HAL_JPEG_REGISTER_CALLBACKS == 1) + hjpeg->EncodeCpltCallback(hjpeg); +#else + HAL_JPEG_EncodeCpltCallback(hjpeg); +#endif /* USE_HAL_JPEG_REGISTER_CALLBACKS */ + } + } + else if ((hjpeg->Context & JPEG_CONTEXT_PAUSE_OUTPUT) == 0UL) + { + JPEG_DMA_PollResidualData(hjpeg); + } + else + { + /* Nothing to do */ + } + +} + +/** + * @brief Poll residual output data when DMA process (encoding/decoding) + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @retval None. + */ +static void JPEG_DMA_PollResidualData(JPEG_HandleTypeDef *hjpeg) +{ + uint32_t tmpContext; + uint32_t count; + uint32_t dataOut; + + for (count = JPEG_FIFO_SIZE; count > 0UL; count--) + { + if ((hjpeg->Context & JPEG_CONTEXT_PAUSE_OUTPUT) == 0UL) + { + if (__HAL_JPEG_GET_FLAG(hjpeg, JPEG_FLAG_OFNEF) != 0UL) + { + dataOut = hjpeg->Instance->DOR; + hjpeg->pJpegOutBuffPtr[hjpeg->JpegOutCount] = (uint8_t)(dataOut & 0x000000FFUL); + hjpeg->pJpegOutBuffPtr[hjpeg->JpegOutCount + 1UL] = (uint8_t)((dataOut & 0x0000FF00UL) >> 8); + hjpeg->pJpegOutBuffPtr[hjpeg->JpegOutCount + 2UL] = (uint8_t)((dataOut & 0x00FF0000UL) >> 16); + hjpeg->pJpegOutBuffPtr[hjpeg->JpegOutCount + 3UL] = (uint8_t)((dataOut & 0xFF000000UL) >> 24); + hjpeg->JpegOutCount += 4UL; + + if (hjpeg->JpegOutCount == hjpeg->OutDataLength) + { + /*Output Buffer is full, call HAL_JPEG_DataReadyCallback*/ +#if (USE_HAL_JPEG_REGISTER_CALLBACKS == 1) + hjpeg->DataReadyCallback(hjpeg, hjpeg->pJpegOutBuffPtr, hjpeg->JpegOutCount); +#else + HAL_JPEG_DataReadyCallback(hjpeg, hjpeg->pJpegOutBuffPtr, hjpeg->JpegOutCount); +#endif /* USE_HAL_JPEG_REGISTER_CALLBACKS */ + + hjpeg->JpegOutCount = 0; + } + + } + } + } + + tmpContext = hjpeg->Context; + + if ((__HAL_JPEG_GET_FLAG(hjpeg, JPEG_FLAG_OFNEF) == 0UL) || ((tmpContext & JPEG_CONTEXT_PAUSE_OUTPUT) == 0UL)) + { + /*Stop Encoding/Decoding*/ + hjpeg->Instance->CONFR0 &= ~JPEG_CONFR0_START; + + if (hjpeg->JpegOutCount > 0UL) + { + /*Output Buffer is not empty, call DecodedDataReadyCallback*/ +#if (USE_HAL_JPEG_REGISTER_CALLBACKS == 1) + hjpeg->DataReadyCallback(hjpeg, hjpeg->pJpegOutBuffPtr, hjpeg->JpegOutCount); +#else + HAL_JPEG_DataReadyCallback(hjpeg, hjpeg->pJpegOutBuffPtr, hjpeg->JpegOutCount); +#endif /* USE_HAL_JPEG_REGISTER_CALLBACKS */ + + hjpeg->JpegOutCount = 0; + } + + tmpContext = hjpeg->Context; + /*Clear all context fields execpt JPEG_CONTEXT_CONF_ENCODING and JPEG_CONTEXT_CUSTOM_TABLES*/ + hjpeg->Context &= (JPEG_CONTEXT_CONF_ENCODING | JPEG_CONTEXT_CUSTOM_TABLES); + + /* Process Unlocked */ + __HAL_UNLOCK(hjpeg); + + /* Change the JPEG state */ + hjpeg->State = HAL_JPEG_STATE_READY; + + /*Call End of Encoding/Decoding callback */ + if ((tmpContext & JPEG_CONTEXT_OPERATION_MASK) == JPEG_CONTEXT_DECODE) + { +#if (USE_HAL_JPEG_REGISTER_CALLBACKS == 1) + hjpeg->DecodeCpltCallback(hjpeg); +#else + HAL_JPEG_DecodeCpltCallback(hjpeg); +#endif /* USE_HAL_JPEG_REGISTER_CALLBACKS */ + } + else /* JPEG_CONTEXT_ENCODE */ + { +#if (USE_HAL_JPEG_REGISTER_CALLBACKS == 1) + hjpeg->EncodeCpltCallback(hjpeg); +#else + HAL_JPEG_EncodeCpltCallback(hjpeg); +#endif /* USE_HAL_JPEG_REGISTER_CALLBACKS */ + } + } +} + +/** + * @brief MDMA input transfer complete callback + * @param hmdma pointer to a MDMA_HandleTypeDef structure. + * @retval None + */ +static void JPEG_MDMAInCpltCallback(MDMA_HandleTypeDef *hmdma) +{ + uint32_t inXfrSize; + + JPEG_HandleTypeDef *hjpeg = (JPEG_HandleTypeDef *)((MDMA_HandleTypeDef *)hmdma)->Parent; + + /* Disable The JPEG IT so the MDMA Input Callback can not be interrupted by the JPEG EOC IT or JPEG HPD IT */ + __HAL_JPEG_DISABLE_IT(hjpeg, JPEG_INTERRUPT_MASK); + + /* Check if context method is DMA and we are not in ending DMA stage */ + if ((hjpeg->Context & (JPEG_CONTEXT_METHOD_MASK | JPEG_CONTEXT_ENDING_DMA)) == JPEG_CONTEXT_DMA) + { + + /*if the MDMA In is triggred with JPEG In FIFO Threshold flag + then MDMA In buffer size is 32 bytes + else (MDMA In is triggred with JPEG In FIFO not full flag) + then MDMA In buffer size is 4 bytes + */ + inXfrSize = hjpeg->hdmain->Init.BufferTransferLength; + + hjpeg->JpegInCount = hjpeg->InDataLength - (hmdma->Instance->CBNDTR & MDMA_CBNDTR_BNDT); + + /*Call HAL_JPEG_GetDataCallback to get new data */ +#if (USE_HAL_JPEG_REGISTER_CALLBACKS == 1) + hjpeg->GetDataCallback(hjpeg, hjpeg->JpegInCount); +#else + HAL_JPEG_GetDataCallback(hjpeg, hjpeg->JpegInCount); +#endif /* USE_HAL_JPEG_REGISTER_CALLBACKS */ + + + if (hjpeg->InDataLength >= inXfrSize) + { + if (inXfrSize == 0UL) + { + hjpeg->ErrorCode |= HAL_JPEG_ERROR_DMA; + hjpeg->State = HAL_JPEG_STATE_ERROR; +#if (USE_HAL_JPEG_REGISTER_CALLBACKS == 1) + hjpeg->ErrorCallback(hjpeg); +#else + HAL_JPEG_ErrorCallback(hjpeg); +#endif /* USE_HAL_JPEG_REGISTER_CALLBACKS */ + return; + } + /*JPEG Input MDMA transfer data number must be multiple of MDMA buffer size + as the destination is a 32 bits register */ + hjpeg->InDataLength = hjpeg->InDataLength - (hjpeg->InDataLength % inXfrSize); + + } + else if (hjpeg->InDataLength > 0UL) + { + /* Transfer the remaining Data, must be multiple of source data size (byte) and destination data size (word) */ + if ((hjpeg->InDataLength % 4UL) != 0UL) + { + hjpeg->InDataLength = ((hjpeg->InDataLength / 4UL) + 1UL) * 4UL; + } + } + else + { + /* Nothing to do */ + } + + if (((hjpeg->Context & JPEG_CONTEXT_PAUSE_INPUT) == 0UL) && (hjpeg->InDataLength > 0UL)) + { + /* Start MDMA FIFO In transfer */ + if (HAL_MDMA_Start_IT(hjpeg->hdmain, (uint32_t)hjpeg->pJpegInBuffPtr, (uint32_t)&hjpeg->Instance->DIR, + hjpeg->InDataLength, 1) != HAL_OK) + { + hjpeg->ErrorCode |= HAL_JPEG_ERROR_DMA; + hjpeg->State = HAL_JPEG_STATE_ERROR; +#if (USE_HAL_JPEG_REGISTER_CALLBACKS == 1) + hjpeg->ErrorCallback(hjpeg); +#else + HAL_JPEG_ErrorCallback(hjpeg); +#endif /* USE_HAL_JPEG_REGISTER_CALLBACKS */ + return; + } + } + + /* JPEG Conversion still on going : Enable the JPEG IT */ + __HAL_JPEG_ENABLE_IT(hjpeg, JPEG_IT_EOC | JPEG_IT_HPD); + } +} + +/** + * @brief MDMA output transfer complete callback + * @param hmdma pointer to a MDMA_HandleTypeDef structure. + * @retval None + */ +static void JPEG_MDMAOutCpltCallback(MDMA_HandleTypeDef *hmdma) +{ + JPEG_HandleTypeDef *hjpeg = (JPEG_HandleTypeDef *)((MDMA_HandleTypeDef *)hmdma)->Parent; + + + /* Disable The JPEG IT so the MDMA Output Callback can not be interrupted by the JPEG EOC IT or JPEG HPD IT */ + __HAL_JPEG_DISABLE_IT(hjpeg, JPEG_INTERRUPT_MASK); + + if ((hjpeg->Context & (JPEG_CONTEXT_METHOD_MASK | JPEG_CONTEXT_ENDING_DMA)) == + JPEG_CONTEXT_DMA) /* Check if context method is DMA and we are not in ending DMA stage */ + { + if (__HAL_JPEG_GET_FLAG(hjpeg, JPEG_FLAG_EOCF) == 0UL) + { + hjpeg->JpegOutCount = hjpeg->OutDataLength - (hmdma->Instance->CBNDTR & MDMA_CBNDTR_BNDT); + + /*Output Buffer is full, call HAL_JPEG_DataReadyCallback*/ +#if (USE_HAL_JPEG_REGISTER_CALLBACKS == 1) + hjpeg->DataReadyCallback(hjpeg, hjpeg->pJpegOutBuffPtr, hjpeg->JpegOutCount); +#else + HAL_JPEG_DataReadyCallback(hjpeg, hjpeg->pJpegOutBuffPtr, hjpeg->JpegOutCount); +#endif /* USE_HAL_JPEG_REGISTER_CALLBACKS */ + + if ((hjpeg->Context & JPEG_CONTEXT_PAUSE_OUTPUT) == 0UL) + { + /* Start MDMA FIFO Out transfer */ + if (HAL_MDMA_Start_IT(hjpeg->hdmaout, (uint32_t)&hjpeg->Instance->DOR, (uint32_t)hjpeg->pJpegOutBuffPtr, + hjpeg->OutDataLength, 1) != HAL_OK) + { + hjpeg->ErrorCode |= HAL_JPEG_ERROR_DMA; + hjpeg->State = HAL_JPEG_STATE_ERROR; +#if (USE_HAL_JPEG_REGISTER_CALLBACKS == 1) + hjpeg->ErrorCallback(hjpeg); +#else + HAL_JPEG_ErrorCallback(hjpeg); +#endif /* USE_HAL_JPEG_REGISTER_CALLBACKS */ + return; + } + } + } + + /* JPEG Conversion still on going : Enable the JPEG IT */ + __HAL_JPEG_ENABLE_IT(hjpeg, JPEG_IT_EOC | JPEG_IT_HPD); + } + +} + +/** + * @brief MDMA Transfer error callback + * @param hmdma pointer to a MDMA_HandleTypeDef structure. + * @retval None + */ +static void JPEG_MDMAErrorCallback(MDMA_HandleTypeDef *hmdma) +{ + JPEG_HandleTypeDef *hjpeg = (JPEG_HandleTypeDef *)((MDMA_HandleTypeDef *)hmdma)->Parent; + + /*Stop Encoding/Decoding*/ + hjpeg->Instance->CONFR0 &= ~JPEG_CONFR0_START; + + /* Disable All Interrupts */ + __HAL_JPEG_DISABLE_IT(hjpeg, JPEG_INTERRUPT_MASK); + + hjpeg->State = HAL_JPEG_STATE_READY; + hjpeg->ErrorCode |= HAL_JPEG_ERROR_DMA; + +#if (USE_HAL_JPEG_REGISTER_CALLBACKS == 1) + hjpeg->ErrorCallback(hjpeg); +#else + HAL_JPEG_ErrorCallback(hjpeg); +#endif /* USE_HAL_JPEG_REGISTER_CALLBACKS */ +} + +/** + * @brief MDMA output Abort callback + * @param hmdma pointer to a MDMA_HandleTypeDef structure. + * @retval None + */ +static void JPEG_MDMAOutAbortCallback(MDMA_HandleTypeDef *hmdma) +{ + JPEG_HandleTypeDef *hjpeg = (JPEG_HandleTypeDef *)((MDMA_HandleTypeDef *)hmdma)->Parent; + + if ((hjpeg->Context & JPEG_CONTEXT_ENDING_DMA) != 0UL) + { + JPEG_DMA_EndProcess(hjpeg); + } +} + + +/** + * @brief Calculate the decoded image quality (from 1 to 100) + * @param hjpeg pointer to a JPEG_HandleTypeDef structure that contains + * the configuration information for JPEG module + * @retval JPEG image quality from 1 to 100. + */ +static uint32_t JPEG_GetQuality(JPEG_HandleTypeDef *hjpeg) +{ + uint32_t quality = 0; + uint32_t quantRow, quantVal, scale, i, j; + __IO uint32_t *tableAddress = hjpeg->Instance->QMEM0; + + i = 0; + while (i < (JPEG_QUANT_TABLE_SIZE - 3UL)) + { + quantRow = *tableAddress; + for (j = 0; j < 4UL; j++) + { + quantVal = (quantRow >> (8UL * j)) & 0xFFUL; + if (quantVal == 1UL) + { + /* if Quantization value = 1 then quality is 100%*/ + quality += 100UL; + } + else + { + /* Note that the quantization coefficients must be specified in the table in zigzag order */ + scale = (quantVal * 100UL) / ((uint32_t) hjpeg->QuantTable0[JPEG_ZIGZAG_ORDER[i + j]]); + + if (scale <= 100UL) + { + quality += (200UL - scale) / 2UL; + } + else + { + quality += 5000UL / scale; + } + } + } + + i += 4UL; + tableAddress ++; + } + + return (quality / 64UL); +} +/** + * @} + */ + +/** + * @} + */ +#endif /* JPEG */ +#endif /* HAL_JPEG_MODULE_ENABLED */ + + +/** + * @} + */ + -- cgit v1.2.3