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_spi.c | 3892 ++++++++++++++++++++ 1 file changed, 3892 insertions(+) create mode 100644 Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_spi.c (limited to 'Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_spi.c') diff --git a/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_spi.c b/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_spi.c new file mode 100644 index 0000000..571243b --- /dev/null +++ b/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_spi.c @@ -0,0 +1,3892 @@ +/** + ****************************************************************************** + * @file stm32h7xx_hal_spi.c + * @author MCD Application Team + * @brief SPI HAL module driver. + * This file provides firmware functions to manage the following + * functionalities of the Serial Peripheral Interface (SPI) peripheral: + * + Initialization and de-initialization functions + * + IO operation functions + * + Peripheral Control functions + * + Peripheral State 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 ##### + ============================================================================== + [..] + The SPI HAL driver can be used as follows: + + (#) Declare a SPI_HandleTypeDef handle structure, for example: + SPI_HandleTypeDef hspi; + + (#)Initialize the SPI low level resources by implementing the HAL_SPI_MspInit() API: + (##) Enable the SPIx interface clock + (##) SPI pins configuration + (+++) Enable the clock for the SPI GPIOs + (+++) Configure these SPI pins as alternate function push-pull + (##) NVIC configuration if you need to use interrupt process or DMA process + (+++) Configure the SPIx interrupt priority + (+++) Enable the NVIC SPI IRQ handle + (##) DMA Configuration if you need to use DMA process + (+++) Declare a DMA_HandleTypeDef handle structure for the transmit or receive Stream/Channel + (+++) Enable the DMAx clock + (+++) Configure the DMA handle parameters + (+++) Configure the DMA Tx or Rx Stream/Channel + (+++) Associate the initialized hdma_tx handle to the hspi DMA Tx or Rx handle + (+++) Configure the priority and enable the NVIC for the transfer complete interrupt on the DMA Tx + or Rx Stream/Channel + + (#) Program the Mode, BidirectionalMode , Data size, Baudrate Prescaler, NSS + management, Clock polarity and phase, FirstBit and CRC configuration in the hspi Init structure. + + (#) Initialize the SPI registers by calling the HAL_SPI_Init() API: + (++) This API configures also the low level Hardware GPIO, CLOCK, CORTEX...etc) + by calling the customized HAL_SPI_MspInit() API. + [..] + Callback registration: + + (#) The compilation flag USE_HAL_SPI_REGISTER_CALLBACKS when set to 1UL + allows the user to configure dynamically the driver callbacks. + Use Functions HAL_SPI_RegisterCallback() to register an interrupt callback. + + Function HAL_SPI_RegisterCallback() allows to register following callbacks: + (+) TxCpltCallback : SPI Tx Completed callback + (+) RxCpltCallback : SPI Rx Completed callback + (+) TxRxCpltCallback : SPI TxRx Completed callback + (+) TxHalfCpltCallback : SPI Tx Half Completed callback + (+) RxHalfCpltCallback : SPI Rx Half Completed callback + (+) TxRxHalfCpltCallback : SPI TxRx Half Completed callback + (+) ErrorCallback : SPI Error callback + (+) AbortCpltCallback : SPI Abort callback + (+) SuspendCallback : SPI Suspend callback + (+) MspInitCallback : SPI Msp Init callback + (+) MspDeInitCallback : SPI Msp DeInit callback + This function takes as parameters the HAL peripheral handle, the Callback ID + and a pointer to the user callback function. + + + (#) Use function HAL_SPI_UnRegisterCallback to reset a callback to the default + weak function. + HAL_SPI_UnRegisterCallback takes as parameters the HAL peripheral handle, + and the Callback ID. + This function allows to reset following callbacks: + (+) TxCpltCallback : SPI Tx Completed callback + (+) RxCpltCallback : SPI Rx Completed callback + (+) TxRxCpltCallback : SPI TxRx Completed callback + (+) TxHalfCpltCallback : SPI Tx Half Completed callback + (+) RxHalfCpltCallback : SPI Rx Half Completed callback + (+) TxRxHalfCpltCallback : SPI TxRx Half Completed callback + (+) ErrorCallback : SPI Error callback + (+) AbortCpltCallback : SPI Abort callback + (+) SuspendCallback : SPI Suspend callback + (+) MspInitCallback : SPI Msp Init callback + (+) MspDeInitCallback : SPI Msp DeInit callback + + By default, after the HAL_SPI_Init() and when the state is HAL_SPI_STATE_RESET + all callbacks are set to the corresponding weak functions: + examples HAL_SPI_MasterTxCpltCallback(), HAL_SPI_MasterRxCpltCallback(). + Exception done for MspInit and MspDeInit functions that are + reset to the legacy weak functions in the HAL_SPI_Init()/ HAL_SPI_DeInit() only when + these callbacks are null (not registered beforehand). + If MspInit or MspDeInit are not null, the HAL_SPI_Init()/ HAL_SPI_DeInit() + keep and use the user MspInit/MspDeInit callbacks (registered beforehand) whatever the state. + + Callbacks can be registered/unregistered in HAL_SPI_STATE_READY state only. + Exception done MspInit/MspDeInit functions that can be registered/unregistered + in HAL_SPI_STATE_READY or HAL_SPI_STATE_RESET state, + thus registered (user) MspInit/DeInit callbacks can be used during the Init/DeInit. + Then, the user first registers the MspInit/MspDeInit user callbacks + using HAL_SPI_RegisterCallback() before calling HAL_SPI_DeInit() + or HAL_SPI_Init() function. + + When The compilation define USE_HAL_PPP_REGISTER_CALLBACKS is set to 0 or + not defined, the callback registering feature is not available + and weak (surcharged) callbacks are used. + + SuspendCallback restriction: + SuspendCallback is called only when MasterReceiverAutoSusp is enabled and + EOT interrupt is activated. SuspendCallback is used in relation with functions + HAL_SPI_Transmit_IT, HAL_SPI_Receive_IT and HAL_SPI_TransmitReceive_IT. + + [..] + Circular mode restriction: + (+) The DMA circular mode cannot be used when the SPI is configured in these modes: + (++) Master 2Lines RxOnly + (++) Master 1Line Rx + (+) The CRC feature is not managed when the DMA circular mode is enabled + (+) The functions HAL_SPI_DMAPause()/ HAL_SPI_DMAResume() are not supported. Return always + HAL_ERROR with ErrorCode set to HAL_SPI_ERROR_NOT_SUPPORTED. + Those functions are maintained for backward compatibility reasons. + + @endverbatim + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32h7xx_hal.h" + +/** @addtogroup STM32H7xx_HAL_Driver + * @{ + */ + +/** @defgroup SPI SPI + * @brief SPI HAL module driver + * @{ + */ +#ifdef HAL_SPI_MODULE_ENABLED + +/* Private typedef -----------------------------------------------------------*/ +/* Private defines -----------------------------------------------------------*/ +/** @defgroup SPI_Private_Constants SPI Private Constants + * @{ + */ +#define SPI_DEFAULT_TIMEOUT 100UL +#define MAX_FIFO_LENGTH 16UL +/** + * @} + */ + +/* Private macros ------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +/** @defgroup SPI_Private_Functions SPI Private Functions + * @{ + */ +static void SPI_DMATransmitCplt(DMA_HandleTypeDef *hdma); +static void SPI_DMAReceiveCplt(DMA_HandleTypeDef *hdma); +static void SPI_DMATransmitReceiveCplt(DMA_HandleTypeDef *hdma); +static void SPI_DMAHalfTransmitCplt(DMA_HandleTypeDef *hdma); +static void SPI_DMAHalfReceiveCplt(DMA_HandleTypeDef *hdma); +static void SPI_DMAHalfTransmitReceiveCplt(DMA_HandleTypeDef *hdma); +static void SPI_DMAError(DMA_HandleTypeDef *hdma); +static void SPI_DMAAbortOnError(DMA_HandleTypeDef *hdma); +static void SPI_DMATxAbortCallback(DMA_HandleTypeDef *hdma); +static void SPI_DMARxAbortCallback(DMA_HandleTypeDef *hdma); +static HAL_StatusTypeDef SPI_WaitOnFlagUntilTimeout(SPI_HandleTypeDef *hspi, uint32_t Flag, FlagStatus FlagStatus, + uint32_t Timeout, uint32_t Tickstart); +static void SPI_TxISR_8BIT(SPI_HandleTypeDef *hspi); +static void SPI_TxISR_16BIT(SPI_HandleTypeDef *hspi); +static void SPI_TxISR_32BIT(SPI_HandleTypeDef *hspi); +static void SPI_RxISR_8BIT(SPI_HandleTypeDef *hspi); +static void SPI_RxISR_16BIT(SPI_HandleTypeDef *hspi); +static void SPI_RxISR_32BIT(SPI_HandleTypeDef *hspi); +static void SPI_AbortTransfer(SPI_HandleTypeDef *hspi); +static void SPI_CloseTransfer(SPI_HandleTypeDef *hspi); +static uint32_t SPI_GetPacketSize(SPI_HandleTypeDef *hspi); + + +/** + * @} + */ + +/* Exported functions --------------------------------------------------------*/ +/** @defgroup SPI_Exported_Functions SPI Exported Functions + * @{ + */ + +/** @defgroup SPI_Exported_Functions_Group1 Initialization and de-initialization functions + * @brief Initialization and Configuration functions + * +@verbatim + =============================================================================== + ##### Initialization and de-initialization functions ##### + =============================================================================== + [..] This subsection provides a set of functions allowing to initialize and + de-initialize the SPIx peripheral: + + (+) User must implement HAL_SPI_MspInit() function in which he configures + all related peripherals resources (CLOCK, GPIO, DMA, IT and NVIC ). + + (+) Call the function HAL_SPI_Init() to configure the selected device with + the selected configuration: + (++) Mode + (++) Direction + (++) Data Size + (++) Clock Polarity and Phase + (++) NSS Management + (++) BaudRate Prescaler + (++) FirstBit + (++) TIMode + (++) CRC Calculation + (++) CRC Polynomial if CRC enabled + (++) CRC Length, used only with Data8 and Data16 + (++) FIFO reception threshold + (++) FIFO transmission threshold + + (+) Call the function HAL_SPI_DeInit() to restore the default configuration + of the selected SPIx peripheral. + +@endverbatim + * @{ + */ + +/** + * @brief Initialize the SPI according to the specified parameters + * in the SPI_InitTypeDef and initialize the associated handle. + * @param hspi: pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_SPI_Init(SPI_HandleTypeDef *hspi) +{ + uint32_t crc_length; + uint32_t packet_length; + + /* Check the SPI handle allocation */ + if (hspi == NULL) + { + return HAL_ERROR; + } + + /* Check the parameters */ + assert_param(IS_SPI_ALL_INSTANCE(hspi->Instance)); + assert_param(IS_SPI_MODE(hspi->Init.Mode)); + assert_param(IS_SPI_DIRECTION(hspi->Init.Direction)); + assert_param(IS_SPI_DATASIZE(hspi->Init.DataSize)); + assert_param(IS_SPI_FIFOTHRESHOLD(hspi->Init.FifoThreshold)); + assert_param(IS_SPI_NSS(hspi->Init.NSS)); + assert_param(IS_SPI_NSSP(hspi->Init.NSSPMode)); + assert_param(IS_SPI_BAUDRATE_PRESCALER(hspi->Init.BaudRatePrescaler)); + assert_param(IS_SPI_FIRST_BIT(hspi->Init.FirstBit)); + assert_param(IS_SPI_TIMODE(hspi->Init.TIMode)); + if (hspi->Init.TIMode == SPI_TIMODE_DISABLE) + { + assert_param(IS_SPI_CPOL(hspi->Init.CLKPolarity)); + assert_param(IS_SPI_CPHA(hspi->Init.CLKPhase)); + } +#if (USE_SPI_CRC != 0UL) + assert_param(IS_SPI_CRC_CALCULATION(hspi->Init.CRCCalculation)); + if (hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) + { + assert_param(IS_SPI_CRC_LENGTH(hspi->Init.CRCLength)); + assert_param(IS_SPI_CRC_POLYNOMIAL(hspi->Init.CRCPolynomial)); + assert_param(IS_SPI_CRC_INITIALIZATION_PATTERN(hspi->Init.TxCRCInitializationPattern)); + assert_param(IS_SPI_CRC_INITIALIZATION_PATTERN(hspi->Init.RxCRCInitializationPattern)); + } +#else + hspi->Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE; +#endif /* USE_SPI_CRC */ + + /* Verify that the SPI instance supports Data Size higher than 16bits */ + if ((!IS_SPI_HIGHEND_INSTANCE(hspi->Instance)) && (hspi->Init.DataSize > SPI_DATASIZE_16BIT)) + { + return HAL_ERROR; + } + + /* Verify that the SPI instance supports requested data packing */ + packet_length = SPI_GetPacketSize(hspi); + if (((!IS_SPI_HIGHEND_INSTANCE(hspi->Instance)) && (packet_length > SPI_LOWEND_FIFO_SIZE)) || + ((IS_SPI_HIGHEND_INSTANCE(hspi->Instance)) && (packet_length > SPI_HIGHEND_FIFO_SIZE))) + { + return HAL_ERROR; + } + +#if (USE_SPI_CRC != 0UL) + if (hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) + { + /* Verify that the SPI instance supports CRC Length higher than 16bits */ + if ((!IS_SPI_HIGHEND_INSTANCE(hspi->Instance)) && (hspi->Init.CRCLength > SPI_CRC_LENGTH_16BIT)) + { + return HAL_ERROR; + } + + /* Align the CRC Length on the data size */ + if (hspi->Init.CRCLength == SPI_CRC_LENGTH_DATASIZE) + { + crc_length = (hspi->Init.DataSize >> SPI_CFG1_DSIZE_Pos) << SPI_CFG1_CRCSIZE_Pos; + } + else + { + crc_length = hspi->Init.CRCLength; + } + + /* Verify that the CRC Length is higher than DataSize */ + if ((hspi->Init.DataSize >> SPI_CFG1_DSIZE_Pos) > (crc_length >> SPI_CFG1_CRCSIZE_Pos)) + { + return HAL_ERROR; + } + } + else + { + crc_length = hspi->Init.DataSize << SPI_CFG1_CRCSIZE_Pos; + } +#endif /* USE_SPI_CRC */ + + if (hspi->State == HAL_SPI_STATE_RESET) + { + /* Allocate lock resource and initialize it */ + hspi->Lock = HAL_UNLOCKED; + +#if (USE_HAL_SPI_REGISTER_CALLBACKS == 1UL) + /* Init the SPI Callback settings */ + hspi->TxCpltCallback = HAL_SPI_TxCpltCallback; /* Legacy weak TxCpltCallback */ + hspi->RxCpltCallback = HAL_SPI_RxCpltCallback; /* Legacy weak RxCpltCallback */ + hspi->TxRxCpltCallback = HAL_SPI_TxRxCpltCallback; /* Legacy weak TxRxCpltCallback */ + hspi->TxHalfCpltCallback = HAL_SPI_TxHalfCpltCallback; /* Legacy weak TxHalfCpltCallback */ + hspi->RxHalfCpltCallback = HAL_SPI_RxHalfCpltCallback; /* Legacy weak RxHalfCpltCallback */ + hspi->TxRxHalfCpltCallback = HAL_SPI_TxRxHalfCpltCallback; /* Legacy weak TxRxHalfCpltCallback */ + hspi->ErrorCallback = HAL_SPI_ErrorCallback; /* Legacy weak ErrorCallback */ + hspi->AbortCpltCallback = HAL_SPI_AbortCpltCallback; /* Legacy weak AbortCpltCallback */ + hspi->SuspendCallback = HAL_SPI_SuspendCallback; /* Legacy weak SuspendCallback */ + + if (hspi->MspInitCallback == NULL) + { + hspi->MspInitCallback = HAL_SPI_MspInit; /* Legacy weak MspInit */ + } + + /* Init the low level hardware : GPIO, CLOCK, NVIC... */ + hspi->MspInitCallback(hspi); +#else + /* Init the low level hardware : GPIO, CLOCK, NVIC... */ + HAL_SPI_MspInit(hspi); +#endif /* USE_HAL_SPI_REGISTER_CALLBACKS */ + } + + hspi->State = HAL_SPI_STATE_BUSY; + + /* Disable the selected SPI peripheral */ + __HAL_SPI_DISABLE(hspi); + +#if (USE_SPI_CRC == 0) + /* Keep the default value of CRCSIZE in case of CRC is not used */ + crc_length = hspi->Instance->CFG1 & SPI_CFG1_CRCSIZE; +#endif /* USE_SPI_CRC */ + + /*----------------------- SPIx CR1 & CR2 Configuration ---------------------*/ + /* Configure : SPI Mode, Communication Mode, Clock polarity and phase, NSS management, + Communication speed, First bit, CRC calculation state, CRC Length */ + + /* SPIx NSS Software Management Configuration */ + if ((hspi->Init.NSS == SPI_NSS_SOFT) && (((hspi->Init.Mode == SPI_MODE_MASTER) && \ + (hspi->Init.NSSPolarity == SPI_NSS_POLARITY_LOW)) || \ + ((hspi->Init.Mode == SPI_MODE_SLAVE) && \ + (hspi->Init.NSSPolarity == SPI_NSS_POLARITY_HIGH)))) + { + SET_BIT(hspi->Instance->CR1, SPI_CR1_SSI); + } + + /* SPIx Master Rx Auto Suspend Configuration */ + if (((hspi->Init.Mode & SPI_MODE_MASTER) == SPI_MODE_MASTER) && (hspi->Init.DataSize >= SPI_DATASIZE_8BIT)) + { + MODIFY_REG(hspi->Instance->CR1, SPI_CR1_MASRX, hspi->Init.MasterReceiverAutoSusp); + } + else + { + CLEAR_BIT(hspi->Instance->CR1, SPI_CR1_MASRX); + } + + /* SPIx CFG1 Configuration */ + WRITE_REG(hspi->Instance->CFG1, (hspi->Init.BaudRatePrescaler | hspi->Init.CRCCalculation | crc_length | + hspi->Init.FifoThreshold | hspi->Init.DataSize)); + + /* SPIx CFG2 Configuration */ + WRITE_REG(hspi->Instance->CFG2, (hspi->Init.NSSPMode | hspi->Init.TIMode | + hspi->Init.NSSPolarity | hspi->Init.NSS | + hspi->Init.CLKPolarity | hspi->Init.CLKPhase | + hspi->Init.FirstBit | hspi->Init.Mode | + hspi->Init.MasterInterDataIdleness | hspi->Init.Direction | + hspi->Init.MasterSSIdleness | hspi->Init.IOSwap)); + +#if (USE_SPI_CRC != 0UL) + /*---------------------------- SPIx CRCPOLY Configuration ------------------*/ + /* Configure : CRC Polynomial */ + if (hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) + { + /* Initialize TXCRC Pattern Initial Value */ + if (hspi->Init.TxCRCInitializationPattern == SPI_CRC_INITIALIZATION_ALL_ONE_PATTERN) + { + SET_BIT(hspi->Instance->CR1, SPI_CR1_TCRCINI); + } + else + { + CLEAR_BIT(hspi->Instance->CR1, SPI_CR1_TCRCINI); + } + + /* Initialize RXCRC Pattern Initial Value */ + if (hspi->Init.RxCRCInitializationPattern == SPI_CRC_INITIALIZATION_ALL_ONE_PATTERN) + { + SET_BIT(hspi->Instance->CR1, SPI_CR1_RCRCINI); + } + else + { + CLEAR_BIT(hspi->Instance->CR1, SPI_CR1_RCRCINI); + } + + /* Enable 33/17 bits CRC computation */ + if (((!IS_SPI_HIGHEND_INSTANCE(hspi->Instance)) && (crc_length == SPI_CRC_LENGTH_16BIT)) || + ((IS_SPI_HIGHEND_INSTANCE(hspi->Instance)) && (crc_length == SPI_CRC_LENGTH_32BIT))) + { + SET_BIT(hspi->Instance->CR1, SPI_CR1_CRC33_17); + } + else + { + CLEAR_BIT(hspi->Instance->CR1, SPI_CR1_CRC33_17); + } + + /* Write CRC polynomial in SPI Register */ + WRITE_REG(hspi->Instance->CRCPOLY, hspi->Init.CRCPolynomial); + } +#endif /* USE_SPI_CRC */ + + /* Insure that Underrun configuration is managed only by Salve */ + if (hspi->Init.Mode == SPI_MODE_SLAVE) + { + /* Set Default Underrun configuration */ +#if (USE_SPI_CRC != 0UL) + if (hspi->Init.CRCCalculation == SPI_CRCCALCULATION_DISABLE) +#endif /* USE_SPI_CRC */ + { + MODIFY_REG(hspi->Instance->CFG1, SPI_CFG1_UDRDET, SPI_CFG1_UDRDET_0); + } + MODIFY_REG(hspi->Instance->CFG1, SPI_CFG1_UDRCFG, SPI_CFG1_UDRCFG_1); + } + +#if defined(SPI_I2SCFGR_I2SMOD) + /* Activate the SPI mode (Make sure that I2SMOD bit in I2SCFGR register is reset) */ + CLEAR_BIT(hspi->Instance->I2SCFGR, SPI_I2SCFGR_I2SMOD); +#endif /* SPI_I2SCFGR_I2SMOD */ + + /* Insure that AFCNTR is managed only by Master */ + if ((hspi->Init.Mode & SPI_MODE_MASTER) == SPI_MODE_MASTER) + { + /* Alternate function GPIOs control */ + MODIFY_REG(hspi->Instance->CFG2, SPI_CFG2_AFCNTR, (hspi->Init.MasterKeepIOState)); + } + + hspi->ErrorCode = HAL_SPI_ERROR_NONE; + hspi->State = HAL_SPI_STATE_READY; + + return HAL_OK; +} + +/** + * @brief De-Initialize the SPI peripheral. + * @param hspi: pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_SPI_DeInit(SPI_HandleTypeDef *hspi) +{ + /* Check the SPI handle allocation */ + if (hspi == NULL) + { + return HAL_ERROR; + } + + /* Check SPI Instance parameter */ + assert_param(IS_SPI_ALL_INSTANCE(hspi->Instance)); + + hspi->State = HAL_SPI_STATE_BUSY; + + /* Disable the SPI Peripheral Clock */ + __HAL_SPI_DISABLE(hspi); + +#if (USE_HAL_SPI_REGISTER_CALLBACKS == 1UL) + if (hspi->MspDeInitCallback == NULL) + { + hspi->MspDeInitCallback = HAL_SPI_MspDeInit; /* Legacy weak MspDeInit */ + } + + /* DeInit the low level hardware: GPIO, CLOCK, NVIC... */ + hspi->MspDeInitCallback(hspi); +#else + /* DeInit the low level hardware: GPIO, CLOCK, NVIC... */ + HAL_SPI_MspDeInit(hspi); +#endif /* USE_HAL_SPI_REGISTER_CALLBACKS */ + + hspi->ErrorCode = HAL_SPI_ERROR_NONE; + hspi->State = HAL_SPI_STATE_RESET; + + /* Release Lock */ + __HAL_UNLOCK(hspi); + + return HAL_OK; +} + +/** + * @brief Initialize the SPI MSP. + * @param hspi: pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @retval None + */ +__weak void HAL_SPI_MspInit(SPI_HandleTypeDef *hspi) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hspi); + + /* NOTE : This function should not be modified, when the callback is needed, + the HAL_SPI_MspInit should be implemented in the user file + */ +} + +/** + * @brief De-Initialize the SPI MSP. + * @param hspi: pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @retval None + */ +__weak void HAL_SPI_MspDeInit(SPI_HandleTypeDef *hspi) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hspi); + + /* NOTE : This function should not be modified, when the callback is needed, + the HAL_SPI_MspDeInit should be implemented in the user file + */ +} + +#if (USE_HAL_SPI_REGISTER_CALLBACKS == 1UL) +/** + * @brief Register a User SPI Callback + * To be used instead of the weak predefined callback + * @param hspi Pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for the specified SPI. + * @param CallbackID ID of the callback to be registered + * @param pCallback pointer to the Callback function + * @retval HAL status + */ +HAL_StatusTypeDef HAL_SPI_RegisterCallback(SPI_HandleTypeDef *hspi, HAL_SPI_CallbackIDTypeDef CallbackID, + pSPI_CallbackTypeDef pCallback) +{ + HAL_StatusTypeDef status = HAL_OK; + + if (pCallback == NULL) + { + /* Update the error code */ + hspi->ErrorCode |= HAL_SPI_ERROR_INVALID_CALLBACK; + + return HAL_ERROR; + } + /* Lock the process */ + __HAL_LOCK(hspi); + + if (HAL_SPI_STATE_READY == hspi->State) + { + switch (CallbackID) + { + case HAL_SPI_TX_COMPLETE_CB_ID : + hspi->TxCpltCallback = pCallback; + break; + + case HAL_SPI_RX_COMPLETE_CB_ID : + hspi->RxCpltCallback = pCallback; + break; + + case HAL_SPI_TX_RX_COMPLETE_CB_ID : + hspi->TxRxCpltCallback = pCallback; + break; + + case HAL_SPI_TX_HALF_COMPLETE_CB_ID : + hspi->TxHalfCpltCallback = pCallback; + break; + + case HAL_SPI_RX_HALF_COMPLETE_CB_ID : + hspi->RxHalfCpltCallback = pCallback; + break; + + case HAL_SPI_TX_RX_HALF_COMPLETE_CB_ID : + hspi->TxRxHalfCpltCallback = pCallback; + break; + + case HAL_SPI_ERROR_CB_ID : + hspi->ErrorCallback = pCallback; + break; + + case HAL_SPI_ABORT_CB_ID : + hspi->AbortCpltCallback = pCallback; + break; + + case HAL_SPI_SUSPEND_CB_ID : + hspi->SuspendCallback = pCallback; + break; + + case HAL_SPI_MSPINIT_CB_ID : + hspi->MspInitCallback = pCallback; + break; + + case HAL_SPI_MSPDEINIT_CB_ID : + hspi->MspDeInitCallback = pCallback; + break; + + default : + /* Update the error code */ + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_INVALID_CALLBACK); + + /* Return error status */ + status = HAL_ERROR; + break; + } + } + else if (HAL_SPI_STATE_RESET == hspi->State) + { + switch (CallbackID) + { + case HAL_SPI_MSPINIT_CB_ID : + hspi->MspInitCallback = pCallback; + break; + + case HAL_SPI_MSPDEINIT_CB_ID : + hspi->MspDeInitCallback = pCallback; + break; + + default : + /* Update the error code */ + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_INVALID_CALLBACK); + + /* Return error status */ + status = HAL_ERROR; + break; + } + } + else + { + /* Update the error code */ + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_INVALID_CALLBACK); + + /* Return error status */ + status = HAL_ERROR; + } + + /* Release Lock */ + __HAL_UNLOCK(hspi); + return status; +} + +/** + * @brief Unregister an SPI Callback + * SPI callback is redirected to the weak predefined callback + * @param hspi Pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for the specified SPI. + * @param CallbackID ID of the callback to be unregistered + * @retval HAL status + */ +HAL_StatusTypeDef HAL_SPI_UnRegisterCallback(SPI_HandleTypeDef *hspi, HAL_SPI_CallbackIDTypeDef CallbackID) +{ + HAL_StatusTypeDef status = HAL_OK; + + /* Lock the process */ + __HAL_LOCK(hspi); + + if (HAL_SPI_STATE_READY == hspi->State) + { + switch (CallbackID) + { + case HAL_SPI_TX_COMPLETE_CB_ID : + hspi->TxCpltCallback = HAL_SPI_TxCpltCallback; /* Legacy weak TxCpltCallback */ + break; + + case HAL_SPI_RX_COMPLETE_CB_ID : + hspi->RxCpltCallback = HAL_SPI_RxCpltCallback; /* Legacy weak RxCpltCallback */ + break; + + case HAL_SPI_TX_RX_COMPLETE_CB_ID : + hspi->TxRxCpltCallback = HAL_SPI_TxRxCpltCallback; /* Legacy weak TxRxCpltCallback */ + break; + + case HAL_SPI_TX_HALF_COMPLETE_CB_ID : + hspi->TxHalfCpltCallback = HAL_SPI_TxHalfCpltCallback; /* Legacy weak TxHalfCpltCallback */ + break; + + case HAL_SPI_RX_HALF_COMPLETE_CB_ID : + hspi->RxHalfCpltCallback = HAL_SPI_RxHalfCpltCallback; /* Legacy weak RxHalfCpltCallback */ + break; + + case HAL_SPI_TX_RX_HALF_COMPLETE_CB_ID : + hspi->TxRxHalfCpltCallback = HAL_SPI_TxRxHalfCpltCallback; /* Legacy weak TxRxHalfCpltCallback */ + break; + + case HAL_SPI_ERROR_CB_ID : + hspi->ErrorCallback = HAL_SPI_ErrorCallback; /* Legacy weak ErrorCallback */ + break; + + case HAL_SPI_ABORT_CB_ID : + hspi->AbortCpltCallback = HAL_SPI_AbortCpltCallback; /* Legacy weak AbortCpltCallback */ + break; + + case HAL_SPI_SUSPEND_CB_ID : + hspi->SuspendCallback = HAL_SPI_SuspendCallback; /* Legacy weak SuspendCallback */ + break; + + case HAL_SPI_MSPINIT_CB_ID : + hspi->MspInitCallback = HAL_SPI_MspInit; /* Legacy weak MspInit */ + break; + + case HAL_SPI_MSPDEINIT_CB_ID : + hspi->MspDeInitCallback = HAL_SPI_MspDeInit; /* Legacy weak MspDeInit */ + break; + + default : + /* Update the error code */ + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_INVALID_CALLBACK); + + /* Return error status */ + status = HAL_ERROR; + break; + } + } + else if (HAL_SPI_STATE_RESET == hspi->State) + { + switch (CallbackID) + { + case HAL_SPI_MSPINIT_CB_ID : + hspi->MspInitCallback = HAL_SPI_MspInit; /* Legacy weak MspInit */ + break; + + case HAL_SPI_MSPDEINIT_CB_ID : + hspi->MspDeInitCallback = HAL_SPI_MspDeInit; /* Legacy weak MspDeInit */ + break; + + default : + /* Update the error code */ + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_INVALID_CALLBACK); + + /* Return error status */ + status = HAL_ERROR; + break; + } + } + else + { + /* Update the error code */ + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_INVALID_CALLBACK); + + /* Return error status */ + status = HAL_ERROR; + } + + /* Release Lock */ + __HAL_UNLOCK(hspi); + return status; +} +#endif /* USE_HAL_SPI_REGISTER_CALLBACKS */ +/** + * @} + */ + +/** @defgroup SPI_Exported_Functions_Group2 IO operation functions + * @brief Data transfers functions + * +@verbatim + ============================================================================== + ##### IO operation functions ##### + =============================================================================== + [..] + This subsection provides a set of functions allowing to manage the SPI + data transfers. + + [..] The SPI supports master and slave mode : + + (#) There are two modes of transfer: + (##) Blocking mode: The communication is performed in polling mode. + The HAL status of all data processing is returned by the same function + after finishing transfer. + (##) No-Blocking mode: The communication is performed using Interrupts + or DMA, These APIs return the HAL status. + The end of the data processing will be indicated through the + dedicated SPI IRQ when using Interrupt mode or the DMA IRQ when + using DMA mode. + The HAL_SPI_TxCpltCallback(), HAL_SPI_RxCpltCallback() and HAL_SPI_TxRxCpltCallback() user callbacks + will be executed respectively at the end of the transmit or Receive process + The HAL_SPI_ErrorCallback()user callback will be executed when a communication error is detected + + (#) APIs provided for these 2 transfer modes (Blocking mode or Non blocking mode using either Interrupt or DMA) + exist for 1Line (simplex) and 2Lines (full duplex) modes. + +@endverbatim + * @{ + */ + +/** + * @brief Transmit an amount of data in blocking mode. + * @param hspi : pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @param pData : pointer to data buffer + * @param Size : amount of data to be sent + * @param Timeout: Timeout duration + * @retval HAL status + */ +HAL_StatusTypeDef HAL_SPI_Transmit(SPI_HandleTypeDef *hspi, const uint8_t *pData, uint16_t Size, uint32_t Timeout) +{ +#if defined (__GNUC__) + __IO uint16_t *ptxdr_16bits = (__IO uint16_t *)(&(hspi->Instance->TXDR)); +#endif /* __GNUC__ */ + + uint32_t tickstart; + HAL_StatusTypeDef errorcode = HAL_OK; + + /* Check Direction parameter */ + assert_param(IS_SPI_DIRECTION_2LINES_OR_1LINE_2LINES_TXONLY(hspi->Init.Direction)); + + /* Lock the process */ + __HAL_LOCK(hspi); + + /* Init tickstart for timeout management*/ + tickstart = HAL_GetTick(); + + if (hspi->State != HAL_SPI_STATE_READY) + { + errorcode = HAL_BUSY; + __HAL_UNLOCK(hspi); + return errorcode; + } + + if ((pData == NULL) || (Size == 0UL)) + { + errorcode = HAL_ERROR; + __HAL_UNLOCK(hspi); + return errorcode; + } + + /* Set the transaction information */ + hspi->State = HAL_SPI_STATE_BUSY_TX; + hspi->ErrorCode = HAL_SPI_ERROR_NONE; + hspi->pTxBuffPtr = (const uint8_t *)pData; + hspi->TxXferSize = Size; + hspi->TxXferCount = Size; + + /*Init field not used in handle to zero */ + hspi->pRxBuffPtr = NULL; + hspi->RxXferSize = (uint16_t) 0UL; + hspi->RxXferCount = (uint16_t) 0UL; + hspi->TxISR = NULL; + hspi->RxISR = NULL; + + /* Configure communication direction : 1Line */ + if (hspi->Init.Direction == SPI_DIRECTION_1LINE) + { + SPI_1LINE_TX(hspi); + } + else + { + SPI_2LINES_TX(hspi); + } + + /* Set the number of data at current transfer */ + MODIFY_REG(hspi->Instance->CR2, SPI_CR2_TSIZE, Size); + + /* Enable SPI peripheral */ + __HAL_SPI_ENABLE(hspi); + + if (hspi->Init.Mode == SPI_MODE_MASTER) + { + /* Master transfer start */ + SET_BIT(hspi->Instance->CR1, SPI_CR1_CSTART); + } + + /* Transmit data in 32 Bit mode */ + if (hspi->Init.DataSize > SPI_DATASIZE_16BIT) + { + /* Transmit data in 32 Bit mode */ + while (hspi->TxXferCount > 0UL) + { + /* Wait until TXP flag is set to send data */ + if (__HAL_SPI_GET_FLAG(hspi, SPI_FLAG_TXP)) + { + *((__IO uint32_t *)&hspi->Instance->TXDR) = *((const uint32_t *)hspi->pTxBuffPtr); + hspi->pTxBuffPtr += sizeof(uint32_t); + hspi->TxXferCount--; + } + else + { + /* Timeout management */ + if ((((HAL_GetTick() - tickstart) >= Timeout) && (Timeout != HAL_MAX_DELAY)) || (Timeout == 0U)) + { + /* Call standard close procedure with error check */ + SPI_CloseTransfer(hspi); + + /* Unlock the process */ + __HAL_UNLOCK(hspi); + + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_TIMEOUT); + hspi->State = HAL_SPI_STATE_READY; + return HAL_TIMEOUT; + } + } + } + } + /* Transmit data in 16 Bit mode */ + else if (hspi->Init.DataSize > SPI_DATASIZE_8BIT) + { + /* Transmit data in 16 Bit mode */ + while (hspi->TxXferCount > 0UL) + { + /* Wait until TXP flag is set to send data */ + if (__HAL_SPI_GET_FLAG(hspi, SPI_FLAG_TXP)) + { + if ((hspi->TxXferCount > 1UL) && (hspi->Init.FifoThreshold > SPI_FIFO_THRESHOLD_01DATA)) + { + *((__IO uint32_t *)&hspi->Instance->TXDR) = *((const uint32_t *)hspi->pTxBuffPtr); + hspi->pTxBuffPtr += sizeof(uint32_t); + hspi->TxXferCount -= (uint16_t)2UL; + } + else + { +#if defined (__GNUC__) + *ptxdr_16bits = *((const uint16_t *)hspi->pTxBuffPtr); +#else + *((__IO uint16_t *)&hspi->Instance->TXDR) = *((const uint16_t *)hspi->pTxBuffPtr); +#endif /* __GNUC__ */ + hspi->pTxBuffPtr += sizeof(uint16_t); + hspi->TxXferCount--; + } + } + else + { + /* Timeout management */ + if ((((HAL_GetTick() - tickstart) >= Timeout) && (Timeout != HAL_MAX_DELAY)) || (Timeout == 0U)) + { + /* Call standard close procedure with error check */ + SPI_CloseTransfer(hspi); + + /* Unlock the process */ + __HAL_UNLOCK(hspi); + + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_TIMEOUT); + hspi->State = HAL_SPI_STATE_READY; + return HAL_TIMEOUT; + } + } + } + } + /* Transmit data in 8 Bit mode */ + else + { + while (hspi->TxXferCount > 0UL) + { + /* Wait until TXP flag is set to send data */ + if (__HAL_SPI_GET_FLAG(hspi, SPI_FLAG_TXP)) + { + if ((hspi->TxXferCount > 3UL) && (hspi->Init.FifoThreshold > SPI_FIFO_THRESHOLD_03DATA)) + { + *((__IO uint32_t *)&hspi->Instance->TXDR) = *((const uint32_t *)hspi->pTxBuffPtr); + hspi->pTxBuffPtr += sizeof(uint32_t); + hspi->TxXferCount -= (uint16_t)4UL; + } + else if ((hspi->TxXferCount > 1UL) && (hspi->Init.FifoThreshold > SPI_FIFO_THRESHOLD_01DATA)) + { +#if defined (__GNUC__) + *ptxdr_16bits = *((const uint16_t *)hspi->pTxBuffPtr); +#else + *((__IO uint16_t *)&hspi->Instance->TXDR) = *((const uint16_t *)hspi->pTxBuffPtr); +#endif /* __GNUC__ */ + hspi->pTxBuffPtr += sizeof(uint16_t); + hspi->TxXferCount -= (uint16_t)2UL; + } + else + { + *((__IO uint8_t *)&hspi->Instance->TXDR) = *((const uint8_t *)hspi->pTxBuffPtr); + hspi->pTxBuffPtr += sizeof(uint8_t); + hspi->TxXferCount--; + } + } + else + { + /* Timeout management */ + if ((((HAL_GetTick() - tickstart) >= Timeout) && (Timeout != HAL_MAX_DELAY)) || (Timeout == 0U)) + { + /* Call standard close procedure with error check */ + SPI_CloseTransfer(hspi); + + /* Unlock the process */ + __HAL_UNLOCK(hspi); + + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_TIMEOUT); + hspi->State = HAL_SPI_STATE_READY; + return HAL_TIMEOUT; + } + } + } + } + + /* Wait for Tx (and CRC) data to be sent */ + if (SPI_WaitOnFlagUntilTimeout(hspi, SPI_FLAG_EOT, RESET, Timeout, tickstart) != HAL_OK) + { + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_FLAG); + } + + /* Call standard close procedure with error check */ + SPI_CloseTransfer(hspi); + + /* Unlock the process */ + __HAL_UNLOCK(hspi); + + hspi->State = HAL_SPI_STATE_READY; + + if (hspi->ErrorCode != HAL_SPI_ERROR_NONE) + { + return HAL_ERROR; + } + return errorcode; +} + +/** + * @brief Receive an amount of data in blocking mode. + * @param hspi : pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @param pData : pointer to data buffer + * @param Size : amount of data to be received + * @param Timeout: Timeout duration + * @retval HAL status + */ +HAL_StatusTypeDef HAL_SPI_Receive(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size, uint32_t Timeout) +{ + uint32_t tickstart; + HAL_StatusTypeDef errorcode = HAL_OK; +#if defined (__GNUC__) + __IO uint16_t *prxdr_16bits = (__IO uint16_t *)(&(hspi->Instance->RXDR)); +#endif /* __GNUC__ */ + + /* Check Direction parameter */ + assert_param(IS_SPI_DIRECTION_2LINES_OR_1LINE_2LINES_RXONLY(hspi->Init.Direction)); + + /* Lock the process */ + __HAL_LOCK(hspi); + + /* Init tickstart for timeout management*/ + tickstart = HAL_GetTick(); + + if (hspi->State != HAL_SPI_STATE_READY) + { + errorcode = HAL_BUSY; + __HAL_UNLOCK(hspi); + return errorcode; + } + + if ((pData == NULL) || (Size == 0UL)) + { + errorcode = HAL_ERROR; + __HAL_UNLOCK(hspi); + return errorcode; + } + + /* Set the transaction information */ + hspi->State = HAL_SPI_STATE_BUSY_RX; + hspi->ErrorCode = HAL_SPI_ERROR_NONE; + hspi->pRxBuffPtr = (uint8_t *)pData; + hspi->RxXferSize = Size; + hspi->RxXferCount = Size; + + /*Init field not used in handle to zero */ + hspi->pTxBuffPtr = NULL; + hspi->TxXferSize = (uint16_t) 0UL; + hspi->TxXferCount = (uint16_t) 0UL; + hspi->RxISR = NULL; + hspi->TxISR = NULL; + + /* Configure communication direction: 1Line */ + if (hspi->Init.Direction == SPI_DIRECTION_1LINE) + { + SPI_1LINE_RX(hspi); + } + else + { + SPI_2LINES_RX(hspi); + } + + /* Set the number of data at current transfer */ + MODIFY_REG(hspi->Instance->CR2, SPI_CR2_TSIZE, Size); + + /* Enable SPI peripheral */ + __HAL_SPI_ENABLE(hspi); + + if (hspi->Init.Mode == SPI_MODE_MASTER) + { + /* Master transfer start */ + SET_BIT(hspi->Instance->CR1, SPI_CR1_CSTART); + } + + /* Receive data in 32 Bit mode */ + if (hspi->Init.DataSize > SPI_DATASIZE_16BIT) + { + /* Transfer loop */ + while (hspi->RxXferCount > 0UL) + { + /* Check the RXWNE/EOT flag */ + if ((hspi->Instance->SR & (SPI_FLAG_RXWNE | SPI_FLAG_EOT)) != 0UL) + { + *((uint32_t *)hspi->pRxBuffPtr) = *((__IO uint32_t *)&hspi->Instance->RXDR); + hspi->pRxBuffPtr += sizeof(uint32_t); + hspi->RxXferCount--; + } + else + { + /* Timeout management */ + if ((((HAL_GetTick() - tickstart) >= Timeout) && (Timeout != HAL_MAX_DELAY)) || (Timeout == 0U)) + { + /* Call standard close procedure with error check */ + SPI_CloseTransfer(hspi); + + /* Unlock the process */ + __HAL_UNLOCK(hspi); + + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_TIMEOUT); + hspi->State = HAL_SPI_STATE_READY; + return HAL_TIMEOUT; + } + } + } + } + /* Receive data in 16 Bit mode */ + else if (hspi->Init.DataSize > SPI_DATASIZE_8BIT) + { + /* Transfer loop */ + while (hspi->RxXferCount > 0UL) + { + /* Check the RXP flag */ + if (__HAL_SPI_GET_FLAG(hspi, SPI_FLAG_RXP)) + { +#if defined (__GNUC__) + *((uint16_t *)hspi->pRxBuffPtr) = *prxdr_16bits; +#else + *((uint16_t *)hspi->pRxBuffPtr) = *((__IO uint16_t *)&hspi->Instance->RXDR); +#endif /* __GNUC__ */ + hspi->pRxBuffPtr += sizeof(uint16_t); + hspi->RxXferCount--; + } + else + { + /* Timeout management */ + if ((((HAL_GetTick() - tickstart) >= Timeout) && (Timeout != HAL_MAX_DELAY)) || (Timeout == 0U)) + { + /* Call standard close procedure with error check */ + SPI_CloseTransfer(hspi); + + /* Unlock the process */ + __HAL_UNLOCK(hspi); + + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_TIMEOUT); + hspi->State = HAL_SPI_STATE_READY; + return HAL_TIMEOUT; + } + } + } + } + /* Receive data in 8 Bit mode */ + else + { + /* Transfer loop */ + while (hspi->RxXferCount > 0UL) + { + /* Check the RXP flag */ + if (__HAL_SPI_GET_FLAG(hspi, SPI_FLAG_RXP)) + { + *((uint8_t *)hspi->pRxBuffPtr) = *((__IO uint8_t *)&hspi->Instance->RXDR); + hspi->pRxBuffPtr += sizeof(uint8_t); + hspi->RxXferCount--; + } + else + { + /* Timeout management */ + if ((((HAL_GetTick() - tickstart) >= Timeout) && (Timeout != HAL_MAX_DELAY)) || (Timeout == 0U)) + { + /* Call standard close procedure with error check */ + SPI_CloseTransfer(hspi); + + /* Unlock the process */ + __HAL_UNLOCK(hspi); + + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_TIMEOUT); + hspi->State = HAL_SPI_STATE_READY; + return HAL_TIMEOUT; + } + } + } + } + +#if (USE_SPI_CRC != 0UL) + if (hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) + { + /* Wait for crc data to be received */ + if (SPI_WaitOnFlagUntilTimeout(hspi, SPI_FLAG_EOT, RESET, Timeout, tickstart) != HAL_OK) + { + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_FLAG); + } + } +#endif /* USE_SPI_CRC */ + + /* Call standard close procedure with error check */ + SPI_CloseTransfer(hspi); + + /* Unlock the process */ + __HAL_UNLOCK(hspi); + + hspi->State = HAL_SPI_STATE_READY; + + if (hspi->ErrorCode != HAL_SPI_ERROR_NONE) + { + return HAL_ERROR; + } + return errorcode; +} + +/** + * @brief Transmit and Receive an amount of data in blocking mode. + * @param hspi : pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @param pTxData: pointer to transmission data buffer + * @param pRxData: pointer to reception data buffer + * @param Size : amount of data to be sent and received + * @param Timeout: Timeout duration + * @retval HAL status + */ +HAL_StatusTypeDef HAL_SPI_TransmitReceive(SPI_HandleTypeDef *hspi, const uint8_t *pTxData, uint8_t *pRxData, + uint16_t Size, uint32_t Timeout) +{ + HAL_StatusTypeDef errorcode = HAL_OK; +#if defined (__GNUC__) + __IO uint16_t *ptxdr_16bits = (__IO uint16_t *)(&(hspi->Instance->TXDR)); + __IO uint16_t *prxdr_16bits = (__IO uint16_t *)(&(hspi->Instance->RXDR)); +#endif /* __GNUC__ */ + + uint32_t tickstart; + uint16_t initial_TxXferCount; + uint16_t initial_RxXferCount; + + /* Check Direction parameter */ + assert_param(IS_SPI_DIRECTION_2LINES(hspi->Init.Direction)); + + /* Lock the process */ + __HAL_LOCK(hspi); + + /* Init tickstart for timeout management*/ + tickstart = HAL_GetTick(); + + initial_TxXferCount = Size; + initial_RxXferCount = Size; + + if (hspi->State != HAL_SPI_STATE_READY) + { + errorcode = HAL_BUSY; + __HAL_UNLOCK(hspi); + return errorcode; + } + + if ((pTxData == NULL) || (pRxData == NULL) || (Size == 0UL)) + { + errorcode = HAL_ERROR; + __HAL_UNLOCK(hspi); + return errorcode; + } + + /* Set the transaction information */ + hspi->State = HAL_SPI_STATE_BUSY_TX_RX; + hspi->ErrorCode = HAL_SPI_ERROR_NONE; + hspi->pRxBuffPtr = (uint8_t *)pRxData; + hspi->RxXferCount = Size; + hspi->RxXferSize = Size; + hspi->pTxBuffPtr = (const uint8_t *)pTxData; + hspi->TxXferCount = Size; + hspi->TxXferSize = Size; + + /*Init field not used in handle to zero */ + hspi->RxISR = NULL; + hspi->TxISR = NULL; + + /* Set Full-Duplex mode */ + SPI_2LINES(hspi); + + /* Set the number of data at current transfer */ + MODIFY_REG(hspi->Instance->CR2, SPI_CR2_TSIZE, Size); + + __HAL_SPI_ENABLE(hspi); + + if (hspi->Init.Mode == SPI_MODE_MASTER) + { + /* Master transfer start */ + SET_BIT(hspi->Instance->CR1, SPI_CR1_CSTART); + } + + /* Transmit and Receive data in 32 Bit mode */ + if (hspi->Init.DataSize > SPI_DATASIZE_16BIT) + { + while ((initial_TxXferCount > 0UL) || (initial_RxXferCount > 0UL)) + { + /* Check TXP flag */ + if ((__HAL_SPI_GET_FLAG(hspi, SPI_FLAG_TXP)) && (initial_TxXferCount > 0UL)) + { + *((__IO uint32_t *)&hspi->Instance->TXDR) = *((const uint32_t *)hspi->pTxBuffPtr); + hspi->pTxBuffPtr += sizeof(uint32_t); + hspi->TxXferCount --; + initial_TxXferCount = hspi->TxXferCount; + } + + /* Check RXWNE/EOT flag */ + if (((hspi->Instance->SR & (SPI_FLAG_RXWNE | SPI_FLAG_EOT)) != 0UL) && (initial_RxXferCount > 0UL)) + { + *((uint32_t *)hspi->pRxBuffPtr) = *((__IO uint32_t *)&hspi->Instance->RXDR); + hspi->pRxBuffPtr += sizeof(uint32_t); + hspi->RxXferCount --; + initial_RxXferCount = hspi->RxXferCount; + } + + /* Timeout management */ + if ((((HAL_GetTick() - tickstart) >= Timeout) && (Timeout != HAL_MAX_DELAY)) || (Timeout == 0U)) + { + /* Call standard close procedure with error check */ + SPI_CloseTransfer(hspi); + + /* Unlock the process */ + __HAL_UNLOCK(hspi); + + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_TIMEOUT); + hspi->State = HAL_SPI_STATE_READY; + return HAL_TIMEOUT; + } + } + } + /* Transmit and Receive data in 16 Bit mode */ + else if (hspi->Init.DataSize > SPI_DATASIZE_8BIT) + { + while ((initial_TxXferCount > 0UL) || (initial_RxXferCount > 0UL)) + { + /* Check the TXP flag */ + if (__HAL_SPI_GET_FLAG(hspi, SPI_FLAG_TXP) && (initial_TxXferCount > 0UL)) + { +#if defined (__GNUC__) + *ptxdr_16bits = *((const uint16_t *)hspi->pTxBuffPtr); +#else + *((__IO uint16_t *)&hspi->Instance->TXDR) = *((const uint16_t *)hspi->pTxBuffPtr); +#endif /* __GNUC__ */ + hspi->pTxBuffPtr += sizeof(uint16_t); + hspi->TxXferCount--; + initial_TxXferCount = hspi->TxXferCount; + } + + /* Check the RXP flag */ + if ((__HAL_SPI_GET_FLAG(hspi, SPI_FLAG_RXP)) && (initial_RxXferCount > 0UL)) + { +#if defined (__GNUC__) + *((uint16_t *)hspi->pRxBuffPtr) = *prxdr_16bits; +#else + *((uint16_t *)hspi->pRxBuffPtr) = *((__IO uint16_t *)&hspi->Instance->RXDR); +#endif /* __GNUC__ */ + hspi->pRxBuffPtr += sizeof(uint16_t); + hspi->RxXferCount--; + initial_RxXferCount = hspi->RxXferCount; + } + + /* Timeout management */ + if ((((HAL_GetTick() - tickstart) >= Timeout) && (Timeout != HAL_MAX_DELAY)) || (Timeout == 0U)) + { + /* Call standard close procedure with error check */ + SPI_CloseTransfer(hspi); + + /* Unlock the process */ + __HAL_UNLOCK(hspi); + + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_TIMEOUT); + hspi->State = HAL_SPI_STATE_READY; + return HAL_TIMEOUT; + } + } + } + /* Transmit and Receive data in 8 Bit mode */ + else + { + while ((initial_TxXferCount > 0UL) || (initial_RxXferCount > 0UL)) + { + /* Check the TXP flag */ + if ((__HAL_SPI_GET_FLAG(hspi, SPI_FLAG_TXP)) && (initial_TxXferCount > 0UL)) + { + *((__IO uint8_t *)&hspi->Instance->TXDR) = *((const uint8_t *)hspi->pTxBuffPtr); + hspi->pTxBuffPtr += sizeof(uint8_t); + hspi->TxXferCount--; + initial_TxXferCount = hspi->TxXferCount; + } + + /* Check the RXP flag */ + if ((__HAL_SPI_GET_FLAG(hspi, SPI_FLAG_RXP)) && (initial_RxXferCount > 0UL)) + { + *((uint8_t *)hspi->pRxBuffPtr) = *((__IO uint8_t *)&hspi->Instance->RXDR); + hspi->pRxBuffPtr += sizeof(uint8_t); + hspi->RxXferCount--; + initial_RxXferCount = hspi->RxXferCount; + } + + /* Timeout management */ + if ((((HAL_GetTick() - tickstart) >= Timeout) && (Timeout != HAL_MAX_DELAY)) || (Timeout == 0U)) + { + /* Call standard close procedure with error check */ + SPI_CloseTransfer(hspi); + + /* Unlock the process */ + __HAL_UNLOCK(hspi); + + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_TIMEOUT); + hspi->State = HAL_SPI_STATE_READY; + return HAL_TIMEOUT; + } + } + } + + /* Wait for Tx/Rx (and CRC) data to be sent/received */ + if (SPI_WaitOnFlagUntilTimeout(hspi, SPI_FLAG_EOT, RESET, Timeout, tickstart) != HAL_OK) + { + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_FLAG); + } + + /* Call standard close procedure with error check */ + SPI_CloseTransfer(hspi); + + /* Unlock the process */ + __HAL_UNLOCK(hspi); + + hspi->State = HAL_SPI_STATE_READY; + + if (hspi->ErrorCode != HAL_SPI_ERROR_NONE) + { + return HAL_ERROR; + } + return errorcode; +} + +/** + * @brief Transmit an amount of data in non-blocking mode with Interrupt. + * @param hspi : pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @param pData: pointer to data buffer + * @param Size : amount of data to be sent + * @retval HAL status + */ +HAL_StatusTypeDef HAL_SPI_Transmit_IT(SPI_HandleTypeDef *hspi, const uint8_t *pData, uint16_t Size) +{ + HAL_StatusTypeDef errorcode = HAL_OK; + + /* Check Direction parameter */ + assert_param(IS_SPI_DIRECTION_2LINES_OR_1LINE_2LINES_TXONLY(hspi->Init.Direction)); + + /* Lock the process */ + __HAL_LOCK(hspi); + + if ((pData == NULL) || (Size == 0UL)) + { + errorcode = HAL_ERROR; + __HAL_UNLOCK(hspi); + return errorcode; + } + + if (hspi->State != HAL_SPI_STATE_READY) + { + errorcode = HAL_BUSY; + __HAL_UNLOCK(hspi); + return errorcode; + } + + /* Set the transaction information */ + hspi->State = HAL_SPI_STATE_BUSY_TX; + hspi->ErrorCode = HAL_SPI_ERROR_NONE; + hspi->pTxBuffPtr = (const uint8_t *)pData; + hspi->TxXferSize = Size; + hspi->TxXferCount = Size; + + /* Init field not used in handle to zero */ + hspi->pRxBuffPtr = NULL; + hspi->RxXferSize = (uint16_t) 0UL; + hspi->RxXferCount = (uint16_t) 0UL; + hspi->RxISR = NULL; + + /* Set the function for IT treatment */ + if (hspi->Init.DataSize > SPI_DATASIZE_16BIT) + { + hspi->TxISR = SPI_TxISR_32BIT; + } + else if (hspi->Init.DataSize > SPI_DATASIZE_8BIT) + { + hspi->TxISR = SPI_TxISR_16BIT; + } + else + { + hspi->TxISR = SPI_TxISR_8BIT; + } + + /* Configure communication direction : 1Line */ + if (hspi->Init.Direction == SPI_DIRECTION_1LINE) + { + SPI_1LINE_TX(hspi); + } + else + { + SPI_2LINES_TX(hspi); + } + + /* Set the number of data at current transfer */ + MODIFY_REG(hspi->Instance->CR2, SPI_CR2_TSIZE, Size); + + /* Enable SPI peripheral */ + __HAL_SPI_ENABLE(hspi); + + /* Enable EOT, TXP, FRE, MODF, UDR and TSERF interrupts */ + __HAL_SPI_ENABLE_IT(hspi, (SPI_IT_EOT | SPI_IT_TXP | SPI_IT_UDR | SPI_IT_FRE | SPI_IT_MODF | SPI_IT_TSERF)); + + if (hspi->Init.Mode == SPI_MODE_MASTER) + { + /* Master transfer start */ + SET_BIT(hspi->Instance->CR1, SPI_CR1_CSTART); + } + + __HAL_UNLOCK(hspi); + return errorcode; +} + +/** + * @brief Receive an amount of data in non-blocking mode with Interrupt. + * @param hspi : pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @param pData: pointer to data buffer + * @param Size : amount of data to be sent + * @retval HAL status + */ +HAL_StatusTypeDef HAL_SPI_Receive_IT(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size) +{ + HAL_StatusTypeDef errorcode = HAL_OK; + + /* Check Direction parameter */ + assert_param(IS_SPI_DIRECTION_2LINES_OR_1LINE_2LINES_RXONLY(hspi->Init.Direction)); + + /* Lock the process */ + __HAL_LOCK(hspi); + + if (hspi->State != HAL_SPI_STATE_READY) + { + errorcode = HAL_BUSY; + __HAL_UNLOCK(hspi); + return errorcode; + } + + if ((pData == NULL) || (Size == 0UL)) + { + errorcode = HAL_ERROR; + __HAL_UNLOCK(hspi); + return errorcode; + } + + /* Set the transaction information */ + hspi->State = HAL_SPI_STATE_BUSY_RX; + hspi->ErrorCode = HAL_SPI_ERROR_NONE; + hspi->pRxBuffPtr = (uint8_t *)pData; + hspi->RxXferSize = Size; + hspi->RxXferCount = Size; + + /* Init field not used in handle to zero */ + hspi->pTxBuffPtr = NULL; + hspi->TxXferSize = (uint16_t) 0UL; + hspi->TxXferCount = (uint16_t) 0UL; + hspi->TxISR = NULL; + + /* Set the function for IT treatment */ + if (hspi->Init.DataSize > SPI_DATASIZE_16BIT) + { + hspi->RxISR = SPI_RxISR_32BIT; + } + else if (hspi->Init.DataSize > SPI_DATASIZE_8BIT) + { + hspi->RxISR = SPI_RxISR_16BIT; + } + else + { + hspi->RxISR = SPI_RxISR_8BIT; + } + + /* Configure communication direction : 1Line */ + if (hspi->Init.Direction == SPI_DIRECTION_1LINE) + { + SPI_1LINE_RX(hspi); + } + else + { + SPI_2LINES_RX(hspi); + } + + /* Note : The SPI must be enabled after unlocking current process + to avoid the risk of SPI interrupt handle execution before current + process unlock */ + + /* Set the number of data at current transfer */ + MODIFY_REG(hspi->Instance->CR2, SPI_CR2_TSIZE, Size); + + /* Enable SPI peripheral */ + __HAL_SPI_ENABLE(hspi); + + /* Enable EOT, RXP, OVR, FRE, MODF and TSERF interrupts */ + __HAL_SPI_ENABLE_IT(hspi, (SPI_IT_EOT | SPI_IT_RXP | SPI_IT_OVR | SPI_IT_FRE | SPI_IT_MODF | SPI_IT_TSERF)); + + if (hspi->Init.Mode == SPI_MODE_MASTER) + { + /* Master transfer start */ + SET_BIT(hspi->Instance->CR1, SPI_CR1_CSTART); + } + + /* Unlock the process */ + __HAL_UNLOCK(hspi); + return errorcode; +} + +/** + * @brief Transmit and Receive an amount of data in non-blocking mode with Interrupt. + * @param hspi : pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @param pTxData: pointer to transmission data buffer + * @param pRxData: pointer to reception data buffer + * @param Size : amount of data to be sent and received + * @retval HAL status + */ +HAL_StatusTypeDef HAL_SPI_TransmitReceive_IT(SPI_HandleTypeDef *hspi, const uint8_t *pTxData, uint8_t *pRxData, + uint16_t Size) +{ + HAL_StatusTypeDef errorcode = HAL_OK; + uint32_t tmp_TxXferCount; + +#if defined (__GNUC__) + __IO uint16_t *ptxdr_16bits = (__IO uint16_t *)(&(hspi->Instance->TXDR)); +#endif /* __GNUC__ */ + + /* Check Direction parameter */ + assert_param(IS_SPI_DIRECTION_2LINES(hspi->Init.Direction)); + + /* Lock the process */ + __HAL_LOCK(hspi); + + if (hspi->State != HAL_SPI_STATE_READY) + { + errorcode = HAL_BUSY; + __HAL_UNLOCK(hspi); + return errorcode; + } + + if ((pTxData == NULL) || (pRxData == NULL) || (Size == 0UL)) + { + errorcode = HAL_ERROR; + __HAL_UNLOCK(hspi); + return errorcode; + } + + /* Set the transaction information */ + hspi->State = HAL_SPI_STATE_BUSY_TX_RX; + hspi->ErrorCode = HAL_SPI_ERROR_NONE; + hspi->pTxBuffPtr = (const uint8_t *)pTxData; + hspi->TxXferSize = Size; + hspi->TxXferCount = Size; + hspi->pRxBuffPtr = (uint8_t *)pRxData; + hspi->RxXferSize = Size; + hspi->RxXferCount = Size; + tmp_TxXferCount = hspi->TxXferCount; + + /* Set the function for IT treatment */ + if (hspi->Init.DataSize > SPI_DATASIZE_16BIT) + { + hspi->TxISR = SPI_TxISR_32BIT; + hspi->RxISR = SPI_RxISR_32BIT; + } + else if (hspi->Init.DataSize > SPI_DATASIZE_8BIT) + { + hspi->RxISR = SPI_RxISR_16BIT; + hspi->TxISR = SPI_TxISR_16BIT; + } + else + { + hspi->RxISR = SPI_RxISR_8BIT; + hspi->TxISR = SPI_TxISR_8BIT; + } + + /* Set Full-Duplex mode */ + SPI_2LINES(hspi); + + /* Set the number of data at current transfer */ + MODIFY_REG(hspi->Instance->CR2, SPI_CR2_TSIZE, Size); + + /* Enable SPI peripheral */ + __HAL_SPI_ENABLE(hspi); + + /* Fill in the TxFIFO */ + while ((__HAL_SPI_GET_FLAG(hspi, SPI_FLAG_TXP)) && (tmp_TxXferCount != 0UL)) + { + /* Transmit data in 32 Bit mode */ + if (hspi->Init.DataSize > SPI_DATASIZE_16BIT) + { + *((__IO uint32_t *)&hspi->Instance->TXDR) = *((const uint32_t *)hspi->pTxBuffPtr); + hspi->pTxBuffPtr += sizeof(uint32_t); + hspi->TxXferCount--; + tmp_TxXferCount = hspi->TxXferCount; + } + /* Transmit data in 16 Bit mode */ + else if (hspi->Init.DataSize > SPI_DATASIZE_8BIT) + { +#if defined (__GNUC__) + *ptxdr_16bits = *((const uint16_t *)hspi->pTxBuffPtr); +#else + *((__IO uint16_t *)&hspi->Instance->TXDR) = *((const uint16_t *)hspi->pTxBuffPtr); +#endif /* __GNUC__ */ + hspi->pTxBuffPtr += sizeof(uint16_t); + hspi->TxXferCount--; + tmp_TxXferCount = hspi->TxXferCount; + } + /* Transmit data in 8 Bit mode */ + else + { + *((__IO uint8_t *)&hspi->Instance->TXDR) = *((const uint8_t *)hspi->pTxBuffPtr); + hspi->pTxBuffPtr += sizeof(uint8_t); + hspi->TxXferCount--; + tmp_TxXferCount = hspi->TxXferCount; + } + } + + /* Enable EOT, DXP, UDR, OVR, FRE, MODF and TSERF interrupts */ + __HAL_SPI_ENABLE_IT(hspi, (SPI_IT_EOT | SPI_IT_DXP | SPI_IT_UDR | SPI_IT_OVR | + SPI_IT_FRE | SPI_IT_MODF | SPI_IT_TSERF)); + + if (hspi->Init.Mode == SPI_MODE_MASTER) + { + /* Start Master transfer */ + SET_BIT(hspi->Instance->CR1, SPI_CR1_CSTART); + } + + /* Unlock the process */ + __HAL_UNLOCK(hspi); + return errorcode; +} + +#if defined(USE_SPI_RELOAD_TRANSFER) +/** + * @brief Transmit an additional amount of data in blocking mode. + * @param hspi : pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @param pData: pointer to data buffer + * @param Size : amount of data to be sent + * @retval HAL status + */ +HAL_StatusTypeDef HAL_SPI_Reload_Transmit_IT(SPI_HandleTypeDef *hspi, const uint8_t *pData, uint16_t Size) +{ + HAL_StatusTypeDef errorcode = HAL_OK; + HAL_SPI_StateTypeDef tmp_state; + + /* Lock the process */ + __HAL_LOCK(hspi); + + if ((pData == NULL) || (Size == 0UL)) + { + errorcode = HAL_ERROR; + __HAL_UNLOCK(hspi); + return errorcode; + } + + if (hspi->State == HAL_SPI_STATE_BUSY_TX) + { + /* check if there is already a request to reload */ + if (hspi->Reload.Requested == 1UL) + { + errorcode = HAL_ERROR; + __HAL_UNLOCK(hspi); + return errorcode; + } + + /* Insert the new number of data to be sent just after the current one */ + MODIFY_REG(hspi->Instance->CR2, SPI_CR2_TSER, (Size & 0xFFFFFFFFUL) << 16UL); + + /* Set the transaction information */ + hspi->Reload.Requested = 1UL; + hspi->Reload.pTxBuffPtr = (const uint8_t *)pData; + hspi->Reload.TxXferSize = Size; + + tmp_state = hspi->State; + + /* Check if the current transmit is already completed */ + if (((hspi->Instance->CR2 & SPI_CR2_TSER) != 0UL) && (tmp_state == HAL_SPI_STATE_READY)) + { + __HAL_SPI_DISABLE_IT(hspi, SPI_IT_TSERF); + MODIFY_REG(hspi->Instance->CR2, SPI_CR2_TSER, 0UL); + hspi->Reload.Requested = 0UL; + errorcode = HAL_ERROR; + __HAL_UNLOCK(hspi); + return errorcode; + } + } + else + { + errorcode = HAL_ERROR; + return errorcode; + } + + __HAL_UNLOCK(hspi); + return errorcode; +} +#endif /* USE_SPI_RELOAD_TRANSFER */ + +#if defined(USE_SPI_RELOAD_TRANSFER) +/** + * @brief Receive an additional amount of data in blocking mode. + * @param hspi : pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @param pData: pointer to data buffer + * @param Size : amount of data to be sent + * @retval HAL status + */ +HAL_StatusTypeDef HAL_SPI_Reload_Receive_IT(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size) +{ + HAL_StatusTypeDef errorcode = HAL_OK; + HAL_SPI_StateTypeDef tmp_state; + + /* Lock the process */ + __HAL_LOCK(hspi); + + if ((pData == NULL) || (Size == 0UL)) + { + errorcode = HAL_ERROR; + __HAL_UNLOCK(hspi); + return errorcode; + } + + if (hspi->State == HAL_SPI_STATE_BUSY_RX) + { + /* check if there is already a request to reload */ + if (hspi->Reload.Requested == 1UL) + { + errorcode = HAL_ERROR; + __HAL_UNLOCK(hspi); + return errorcode; + } + + /* Insert the new number of data that will be received just after the current one */ + MODIFY_REG(hspi->Instance->CR2, SPI_CR2_TSER, (Size & 0xFFFFFFFFUL) << 16UL); + + /* Set the transaction information */ + hspi->Reload.Requested = 1UL; + hspi->Reload.pRxBuffPtr = (uint8_t *)pData; + hspi->Reload.RxXferSize = Size; + + tmp_state = hspi->State; + + /* Check if the current reception is already completed */ + if (((hspi->Instance->CR2 & SPI_CR2_TSER) != 0UL) && (tmp_state == HAL_SPI_STATE_READY)) + { + __HAL_SPI_DISABLE_IT(hspi, SPI_IT_TSERF); + MODIFY_REG(hspi->Instance->CR2, SPI_CR2_TSER, 0UL); + hspi->Reload.Requested = 0UL; + errorcode = HAL_ERROR; + __HAL_UNLOCK(hspi); + return errorcode; + } + } + else + { + errorcode = HAL_ERROR; + return errorcode; + } + + __HAL_UNLOCK(hspi); + return errorcode; +} +#endif /* USE_SPI_RELOAD_TRANSFER */ + +#if defined(USE_SPI_RELOAD_TRANSFER) +/** + * @brief Transmit and receive an additional amount of data in blocking mode. + * @param hspi : pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @param pTxData: pointer to transmission data buffer + * @param pRxData: pointer to reception data buffer + * @param Size : amount of data to be sent and received + * @retval HAL status + */ +HAL_StatusTypeDef HAL_SPI_Reload_TransmitReceive_IT(SPI_HandleTypeDef *hspi, const uint8_t *pTxData, + uint8_t *pRxData, uint16_t Size) +{ + HAL_StatusTypeDef errorcode = HAL_OK; + HAL_SPI_StateTypeDef tmp_state; + + /* Lock the process */ + __HAL_LOCK(hspi); + + if ((pTxData == NULL) || (pRxData == NULL) || (Size == 0UL)) + { + errorcode = HAL_ERROR; + __HAL_UNLOCK(hspi); + return errorcode; + } + + if (hspi->State == HAL_SPI_STATE_BUSY_TX_RX) + { + /* check if there is already a request to reload */ + if (hspi->Reload.Requested == 1UL) + { + errorcode = HAL_ERROR; + __HAL_UNLOCK(hspi); + return errorcode; + } + + /* Insert the new number of data that will be sent and received just after the current one */ + MODIFY_REG(hspi->Instance->CR2, SPI_CR2_TSER, (Size & 0xFFFFFFFFUL) << 16UL); + + /* Set the transaction information */ + hspi->Reload.Requested = 1UL; + hspi->Reload.pTxBuffPtr = (const uint8_t *)pTxData; + hspi->Reload.TxXferSize = Size; + hspi->Reload.pRxBuffPtr = (uint8_t *)pRxData; + hspi->Reload.RxXferSize = Size; + + tmp_state = hspi->State; + + /* Check if the current transmit is already completed */ + if (((hspi->Instance->CR2 & SPI_CR2_TSER) != 0UL) && (tmp_state == HAL_SPI_STATE_READY)) + { + __HAL_SPI_DISABLE_IT(hspi, SPI_IT_TSERF); + MODIFY_REG(hspi->Instance->CR2, SPI_CR2_TSER, 0UL); + hspi->Reload.Requested = 0UL; + errorcode = HAL_ERROR; + __HAL_UNLOCK(hspi); + return errorcode; + } + } + else + { + errorcode = HAL_ERROR; + return errorcode; + } + + __HAL_UNLOCK(hspi); + return errorcode; +} +#endif /* USE_SPI_RELOAD_TRANSFER */ + +/** + * @brief Transmit an amount of data in non-blocking mode with DMA. + * @param hspi : pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @param pData: pointer to data buffer + * @param Size : amount of data to be sent + * @retval HAL status + */ +HAL_StatusTypeDef HAL_SPI_Transmit_DMA(SPI_HandleTypeDef *hspi, const uint8_t *pData, uint16_t Size) +{ + HAL_StatusTypeDef errorcode = HAL_OK; + + /* Check Direction parameter */ + assert_param(IS_SPI_DIRECTION_2LINES_OR_1LINE_2LINES_TXONLY(hspi->Init.Direction)); + + /* Lock the process */ + __HAL_LOCK(hspi); + + if (hspi->State != HAL_SPI_STATE_READY) + { + errorcode = HAL_BUSY; + __HAL_UNLOCK(hspi); + return errorcode; + } + + if ((pData == NULL) || (Size == 0UL)) + { + errorcode = HAL_ERROR; + __HAL_UNLOCK(hspi); + return errorcode; + } + + /* Set the transaction information */ + hspi->State = HAL_SPI_STATE_BUSY_TX; + hspi->ErrorCode = HAL_SPI_ERROR_NONE; + hspi->pTxBuffPtr = (const uint8_t *)pData; + hspi->TxXferSize = Size; + hspi->TxXferCount = Size; + + /* Init field not used in handle to zero */ + hspi->pRxBuffPtr = NULL; + hspi->TxISR = NULL; + hspi->RxISR = NULL; + hspi->RxXferSize = (uint16_t)0UL; + hspi->RxXferCount = (uint16_t)0UL; + + /* Configure communication direction : 1Line */ + if (hspi->Init.Direction == SPI_DIRECTION_1LINE) + { + SPI_1LINE_TX(hspi); + } + else + { + SPI_2LINES_TX(hspi); + } + + /* Packing mode management is enabled by the DMA settings */ + if (((hspi->Init.DataSize > SPI_DATASIZE_16BIT) && (hspi->hdmatx->Init.MemDataAlignment != DMA_MDATAALIGN_WORD)) || \ + ((hspi->Init.DataSize > SPI_DATASIZE_8BIT) && ((hspi->hdmatx->Init.MemDataAlignment != DMA_MDATAALIGN_HALFWORD) && \ + (hspi->hdmatx->Init.MemDataAlignment != DMA_MDATAALIGN_WORD)))) + { + /* Restriction the DMA data received is not allowed in this mode */ + errorcode = HAL_ERROR; + __HAL_UNLOCK(hspi); + return errorcode; + } + + /* Adjust XferCount according to DMA alignment / Data size */ + if (hspi->Init.DataSize <= SPI_DATASIZE_8BIT) + { + if (hspi->hdmatx->Init.MemDataAlignment == DMA_MDATAALIGN_HALFWORD) + { + hspi->TxXferCount = (hspi->TxXferCount + (uint16_t) 1UL) >> 1UL; + } + if (hspi->hdmatx->Init.MemDataAlignment == DMA_MDATAALIGN_WORD) + { + hspi->TxXferCount = (hspi->TxXferCount + (uint16_t) 3UL) >> 2UL; + } + } + else if (hspi->Init.DataSize <= SPI_DATASIZE_16BIT) + { + if (hspi->hdmatx->Init.MemDataAlignment == DMA_MDATAALIGN_WORD) + { + hspi->TxXferCount = (hspi->TxXferCount + (uint16_t) 1UL) >> 1UL; + } + } + else + { + /* Adjustment done */ + } + + /* Set the SPI TxDMA Half transfer complete callback */ + hspi->hdmatx->XferHalfCpltCallback = SPI_DMAHalfTransmitCplt; + + /* Set the SPI TxDMA transfer complete callback */ + hspi->hdmatx->XferCpltCallback = SPI_DMATransmitCplt; + + /* Set the DMA error callback */ + hspi->hdmatx->XferErrorCallback = SPI_DMAError; + + /* Set the DMA AbortCpltCallback */ + hspi->hdmatx->XferAbortCallback = NULL; + + /* Clear TXDMAEN bit*/ + CLEAR_BIT(hspi->Instance->CFG1, SPI_CFG1_TXDMAEN); + + /* Enable the Tx DMA Stream/Channel */ + if (HAL_OK != HAL_DMA_Start_IT(hspi->hdmatx, (uint32_t)hspi->pTxBuffPtr, (uint32_t)&hspi->Instance->TXDR, + hspi->TxXferCount)) + { + /* Update SPI error code */ + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_DMA); + + /* Unlock the process */ + __HAL_UNLOCK(hspi); + + hspi->State = HAL_SPI_STATE_READY; + errorcode = HAL_ERROR; + return errorcode; + } + + /* Set the number of data at current transfer */ + if (hspi->hdmatx->Init.Mode == DMA_CIRCULAR) + { + MODIFY_REG(hspi->Instance->CR2, SPI_CR2_TSIZE, 0UL); + } + else + { + MODIFY_REG(hspi->Instance->CR2, SPI_CR2_TSIZE, Size); + } + + /* Enable Tx DMA Request */ + SET_BIT(hspi->Instance->CFG1, SPI_CFG1_TXDMAEN); + + /* Enable the SPI Error Interrupt Bit */ + __HAL_SPI_ENABLE_IT(hspi, (SPI_IT_UDR | SPI_IT_FRE | SPI_IT_MODF)); + + /* Enable SPI peripheral */ + __HAL_SPI_ENABLE(hspi); + + if (hspi->Init.Mode == SPI_MODE_MASTER) + { + /* Master transfer start */ + SET_BIT(hspi->Instance->CR1, SPI_CR1_CSTART); + } + + /* Unlock the process */ + __HAL_UNLOCK(hspi); + return errorcode; +} + +/** + * @brief Receive an amount of data in non-blocking mode with DMA. + * @param hspi : pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @param pData: pointer to data buffer + * @param Size : amount of data to be sent + * @note When the CRC feature is enabled the pData Length must be Size + 1. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_SPI_Receive_DMA(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size) +{ + HAL_StatusTypeDef errorcode = HAL_OK; + + /* Check Direction parameter */ + assert_param(IS_SPI_DIRECTION_2LINES_OR_1LINE_2LINES_RXONLY(hspi->Init.Direction)); + + /* Lock the process */ + __HAL_LOCK(hspi); + + if (hspi->State != HAL_SPI_STATE_READY) + { + errorcode = HAL_BUSY; + __HAL_UNLOCK(hspi); + return errorcode; + } + + if ((pData == NULL) || (Size == 0UL)) + { + errorcode = HAL_ERROR; + __HAL_UNLOCK(hspi); + return errorcode; + } + + /* Set the transaction information */ + hspi->State = HAL_SPI_STATE_BUSY_RX; + hspi->ErrorCode = HAL_SPI_ERROR_NONE; + hspi->pRxBuffPtr = (uint8_t *)pData; + hspi->RxXferSize = Size; + hspi->RxXferCount = Size; + + /*Init field not used in handle to zero */ + hspi->RxISR = NULL; + hspi->TxISR = NULL; + hspi->TxXferSize = (uint16_t) 0UL; + hspi->TxXferCount = (uint16_t) 0UL; + + /* Configure communication direction : 1Line */ + if (hspi->Init.Direction == SPI_DIRECTION_1LINE) + { + SPI_1LINE_RX(hspi); + } + else + { + SPI_2LINES_RX(hspi); + } + + /* Packing mode management is enabled by the DMA settings */ + if (((hspi->Init.DataSize > SPI_DATASIZE_16BIT) && (hspi->hdmarx->Init.MemDataAlignment != DMA_MDATAALIGN_WORD)) || \ + ((hspi->Init.DataSize > SPI_DATASIZE_8BIT) && ((hspi->hdmarx->Init.MemDataAlignment != DMA_MDATAALIGN_HALFWORD) && \ + (hspi->hdmarx->Init.MemDataAlignment != DMA_MDATAALIGN_WORD)))) + { + /* Restriction the DMA data received is not allowed in this mode */ + errorcode = HAL_ERROR; + __HAL_UNLOCK(hspi); + return errorcode; + } + + /* Clear RXDMAEN bit */ + CLEAR_BIT(hspi->Instance->CFG1, SPI_CFG1_RXDMAEN); + + /* Adjust XferCount according to DMA alignment / Data size */ + if (hspi->Init.DataSize <= SPI_DATASIZE_8BIT) + { + if (hspi->hdmarx->Init.MemDataAlignment == DMA_MDATAALIGN_HALFWORD) + { + hspi->RxXferCount = (hspi->RxXferCount + (uint16_t) 1UL) >> 1UL; + } + if (hspi->hdmarx->Init.MemDataAlignment == DMA_MDATAALIGN_WORD) + { + hspi->RxXferCount = (hspi->RxXferCount + (uint16_t) 3UL) >> 2UL; + } + } + else if (hspi->Init.DataSize <= SPI_DATASIZE_16BIT) + { + if (hspi->hdmarx->Init.MemDataAlignment == DMA_MDATAALIGN_WORD) + { + hspi->RxXferCount = (hspi->RxXferCount + (uint16_t) 1UL) >> 1UL; + } + } + else + { + /* Adjustment done */ + } + + /* Set the SPI RxDMA Half transfer complete callback */ + hspi->hdmarx->XferHalfCpltCallback = SPI_DMAHalfReceiveCplt; + + /* Set the SPI Rx DMA transfer complete callback */ + hspi->hdmarx->XferCpltCallback = SPI_DMAReceiveCplt; + + /* Set the DMA error callback */ + hspi->hdmarx->XferErrorCallback = SPI_DMAError; + + /* Set the DMA AbortCpltCallback */ + hspi->hdmarx->XferAbortCallback = NULL; + + /* Enable the Rx DMA Stream/Channel */ + if (HAL_OK != HAL_DMA_Start_IT(hspi->hdmarx, (uint32_t)&hspi->Instance->RXDR, (uint32_t)hspi->pRxBuffPtr, + hspi->RxXferCount)) + { + /* Update SPI error code */ + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_DMA); + + /* Unlock the process */ + __HAL_UNLOCK(hspi); + + hspi->State = HAL_SPI_STATE_READY; + errorcode = HAL_ERROR; + return errorcode; + } + + /* Set the number of data at current transfer */ + if (hspi->hdmarx->Init.Mode == DMA_CIRCULAR) + { + MODIFY_REG(hspi->Instance->CR2, SPI_CR2_TSIZE, 0UL); + } + else + { + MODIFY_REG(hspi->Instance->CR2, SPI_CR2_TSIZE, Size); + } + + /* Enable Rx DMA Request */ + SET_BIT(hspi->Instance->CFG1, SPI_CFG1_RXDMAEN); + + /* Enable the SPI Error Interrupt Bit */ + __HAL_SPI_ENABLE_IT(hspi, (SPI_IT_OVR | SPI_IT_FRE | SPI_IT_MODF)); + + /* Enable SPI peripheral */ + __HAL_SPI_ENABLE(hspi); + + if (hspi->Init.Mode == SPI_MODE_MASTER) + { + /* Master transfer start */ + SET_BIT(hspi->Instance->CR1, SPI_CR1_CSTART); + } + + /* Unlock the process */ + __HAL_UNLOCK(hspi); + return errorcode; +} + +/** + * @brief Transmit and Receive an amount of data in non-blocking mode with DMA. + * @param hspi : pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @param pTxData: pointer to transmission data buffer + * @param pRxData: pointer to reception data buffer + * @param Size : amount of data to be sent + * @note When the CRC feature is enabled the pRxData Length must be Size + 1 + * @retval HAL status + */ +HAL_StatusTypeDef HAL_SPI_TransmitReceive_DMA(SPI_HandleTypeDef *hspi, const uint8_t *pTxData, uint8_t *pRxData, + uint16_t Size) +{ + HAL_StatusTypeDef errorcode = HAL_OK; + + /* Check Direction parameter */ + assert_param(IS_SPI_DIRECTION_2LINES(hspi->Init.Direction)); + + /* Lock the process */ + __HAL_LOCK(hspi); + + if (hspi->State != HAL_SPI_STATE_READY) + { + errorcode = HAL_BUSY; + __HAL_UNLOCK(hspi); + return errorcode; + } + + if ((pTxData == NULL) || (pRxData == NULL) || (Size == 0UL)) + { + errorcode = HAL_ERROR; + __HAL_UNLOCK(hspi); + return errorcode; + } + + /* Set the transaction information */ + hspi->State = HAL_SPI_STATE_BUSY_TX_RX; + hspi->ErrorCode = HAL_SPI_ERROR_NONE; + hspi->pTxBuffPtr = (const uint8_t *)pTxData; + hspi->TxXferSize = Size; + hspi->TxXferCount = Size; + hspi->pRxBuffPtr = (uint8_t *)pRxData; + hspi->RxXferSize = Size; + hspi->RxXferCount = Size; + + /* Init field not used in handle to zero */ + hspi->RxISR = NULL; + hspi->TxISR = NULL; + + /* Set Full-Duplex mode */ + SPI_2LINES(hspi); + + /* Reset the Tx/Rx DMA bits */ + CLEAR_BIT(hspi->Instance->CFG1, SPI_CFG1_TXDMAEN | SPI_CFG1_RXDMAEN); + + /* Packing mode management is enabled by the DMA settings */ + if (((hspi->Init.DataSize > SPI_DATASIZE_16BIT) && (hspi->hdmarx->Init.MemDataAlignment != DMA_MDATAALIGN_WORD)) || \ + ((hspi->Init.DataSize > SPI_DATASIZE_8BIT) && ((hspi->hdmarx->Init.MemDataAlignment != DMA_MDATAALIGN_HALFWORD) && \ + (hspi->hdmarx->Init.MemDataAlignment != DMA_MDATAALIGN_WORD)))) + { + /* Restriction the DMA data received is not allowed in this mode */ + errorcode = HAL_ERROR; + /* Unlock the process */ + __HAL_UNLOCK(hspi); + return errorcode; + } + + /* Adjust XferCount according to DMA alignment / Data size */ + if (hspi->Init.DataSize <= SPI_DATASIZE_8BIT) + { + if (hspi->hdmatx->Init.MemDataAlignment == DMA_MDATAALIGN_HALFWORD) + { + hspi->TxXferCount = (hspi->TxXferCount + (uint16_t) 1UL) >> 1UL; + } + if (hspi->hdmatx->Init.MemDataAlignment == DMA_MDATAALIGN_WORD) + { + hspi->TxXferCount = (hspi->TxXferCount + (uint16_t) 3UL) >> 2UL; + } + if (hspi->hdmarx->Init.MemDataAlignment == DMA_MDATAALIGN_HALFWORD) + { + hspi->RxXferCount = (hspi->RxXferCount + (uint16_t) 1UL) >> 1UL; + } + if (hspi->hdmarx->Init.MemDataAlignment == DMA_MDATAALIGN_WORD) + { + hspi->RxXferCount = (hspi->RxXferCount + (uint16_t) 3UL) >> 2UL; + } + } + else if (hspi->Init.DataSize <= SPI_DATASIZE_16BIT) + { + if (hspi->hdmatx->Init.MemDataAlignment == DMA_MDATAALIGN_WORD) + { + hspi->TxXferCount = (hspi->TxXferCount + (uint16_t) 1UL) >> 1UL; + } + if (hspi->hdmarx->Init.MemDataAlignment == DMA_MDATAALIGN_WORD) + { + hspi->RxXferCount = (hspi->RxXferCount + (uint16_t) 1UL) >> 1UL; + } + } + else + { + /* Adjustment done */ + } + + /* Set the SPI Tx/Rx DMA Half transfer complete callback */ + hspi->hdmarx->XferHalfCpltCallback = SPI_DMAHalfTransmitReceiveCplt; + hspi->hdmarx->XferCpltCallback = SPI_DMATransmitReceiveCplt; + + /* Set the DMA error callback */ + hspi->hdmarx->XferErrorCallback = SPI_DMAError; + + /* Set the DMA AbortCallback */ + hspi->hdmarx->XferAbortCallback = NULL; + + /* Enable the Rx DMA Stream/Channel */ + if (HAL_OK != HAL_DMA_Start_IT(hspi->hdmarx, (uint32_t)&hspi->Instance->RXDR, (uint32_t)hspi->pRxBuffPtr, + hspi->RxXferCount)) + { + /* Update SPI error code */ + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_DMA); + + /* Unlock the process */ + __HAL_UNLOCK(hspi); + + hspi->State = HAL_SPI_STATE_READY; + errorcode = HAL_ERROR; + return errorcode; + } + + /* Enable Rx DMA Request */ + SET_BIT(hspi->Instance->CFG1, SPI_CFG1_RXDMAEN); + + /* Set the SPI Tx DMA transfer complete callback as NULL because the communication closing + is performed in DMA reception complete callback */ + hspi->hdmatx->XferHalfCpltCallback = NULL; + hspi->hdmatx->XferCpltCallback = NULL; + hspi->hdmatx->XferAbortCallback = NULL; + + /* Set the DMA error callback */ + hspi->hdmatx->XferErrorCallback = SPI_DMAError; + + /* Enable the Tx DMA Stream/Channel */ + if (HAL_OK != HAL_DMA_Start_IT(hspi->hdmatx, (uint32_t)hspi->pTxBuffPtr, (uint32_t)&hspi->Instance->TXDR, + hspi->TxXferCount)) + { + /* Update SPI error code */ + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_DMA); + + /* Unlock the process */ + __HAL_UNLOCK(hspi); + + hspi->State = HAL_SPI_STATE_READY; + errorcode = HAL_ERROR; + return errorcode; + } + + if (hspi->hdmatx->Init.Mode == DMA_CIRCULAR) + { + MODIFY_REG(hspi->Instance->CR2, SPI_CR2_TSIZE, 0UL); + } + else + { + MODIFY_REG(hspi->Instance->CR2, SPI_CR2_TSIZE, Size); + } + + /* Enable Tx DMA Request */ + SET_BIT(hspi->Instance->CFG1, SPI_CFG1_TXDMAEN); + + /* Enable the SPI Error Interrupt Bit */ + __HAL_SPI_ENABLE_IT(hspi, (SPI_IT_OVR | SPI_IT_UDR | SPI_IT_FRE | SPI_IT_MODF)); + + /* Enable SPI peripheral */ + __HAL_SPI_ENABLE(hspi); + + if (hspi->Init.Mode == SPI_MODE_MASTER) + { + /* Master transfer start */ + SET_BIT(hspi->Instance->CR1, SPI_CR1_CSTART); + } + + /* Unlock the process */ + __HAL_UNLOCK(hspi); + return errorcode; +} + +/** + * @brief Abort ongoing transfer (blocking mode). + * @param hspi SPI handle. + * @note This procedure could be used for aborting any ongoing transfer (Tx and Rx), + * started in Interrupt or DMA mode. + * @note This procedure performs following operations : + * + Disable SPI Interrupts (depending of transfer direction) + * + Disable the DMA transfer in the peripheral register (if enabled) + * + Abort DMA transfer by calling HAL_DMA_Abort (in case of transfer in DMA mode) + * + Set handle State to READY. + * @note This procedure is executed in blocking mode : when exiting function, Abort is considered as completed. + * @retval HAL status + */ +HAL_StatusTypeDef HAL_SPI_Abort(SPI_HandleTypeDef *hspi) +{ + HAL_StatusTypeDef errorcode; + + __IO uint32_t count; + + /* Lock the process */ + __HAL_LOCK(hspi); + + /* Set hspi->state to aborting to avoid any interaction */ + hspi->State = HAL_SPI_STATE_ABORT; + + /* Initialized local variable */ + errorcode = HAL_OK; + count = SPI_DEFAULT_TIMEOUT * (SystemCoreClock / 24UL / 1000UL); + + /* If master communication on going, make sure current frame is done before closing the connection */ + if (HAL_IS_BIT_SET(hspi->Instance->CR1, SPI_CR1_CSTART)) + { + /* Disable EOT interrupt */ + __HAL_SPI_DISABLE_IT(hspi, SPI_IT_EOT); + do + { + count--; + if (count == 0UL) + { + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_ABORT); + break; + } + } + while (HAL_IS_BIT_SET(hspi->Instance->IER, SPI_IT_EOT)); + + /* Request a Suspend transfer */ + SET_BIT(hspi->Instance->CR1, SPI_CR1_CSUSP); + do + { + count--; + if (count == 0UL) + { + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_ABORT); + break; + } + } + while (HAL_IS_BIT_SET(hspi->Instance->CR1, SPI_CR1_CSTART)); + + /* Clear SUSP flag */ + __HAL_SPI_CLEAR_SUSPFLAG(hspi); + do + { + count--; + if (count == 0UL) + { + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_ABORT); + break; + } + } + while (__HAL_SPI_GET_FLAG(hspi, SPI_FLAG_SUSP)); + } + + /* Disable the SPI DMA Tx request if enabled */ + if (HAL_IS_BIT_SET(hspi->Instance->CFG1, SPI_CFG1_TXDMAEN)) + { + if (hspi->hdmatx != NULL) + { + /* Abort the SPI DMA Tx Stream/Channel : use blocking DMA Abort API (no callback) */ + hspi->hdmatx->XferAbortCallback = NULL; + + /* Abort DMA Tx Handle linked to SPI Peripheral */ + if (HAL_DMA_Abort(hspi->hdmatx) != HAL_OK) + { + if (HAL_DMA_GetError(hspi->hdmatx) == HAL_DMA_ERROR_TIMEOUT) + { + hspi->ErrorCode = HAL_SPI_ERROR_ABORT; + } + } + } + } + + /* Disable the SPI DMA Rx request if enabled */ + if (HAL_IS_BIT_SET(hspi->Instance->CFG1, SPI_CFG1_RXDMAEN)) + { + if (hspi->hdmarx != NULL) + { + /* Abort the SPI DMA Rx Stream/Channel : use blocking DMA Abort API (no callback) */ + hspi->hdmarx->XferAbortCallback = NULL; + + /* Abort DMA Rx Handle linked to SPI Peripheral */ + if (HAL_DMA_Abort(hspi->hdmarx) != HAL_OK) + { + if (HAL_DMA_GetError(hspi->hdmarx) == HAL_DMA_ERROR_TIMEOUT) + { + hspi->ErrorCode = HAL_SPI_ERROR_ABORT; + } + } + } + } + + /* Proceed with abort procedure */ + SPI_AbortTransfer(hspi); + + /* Check error during Abort procedure */ + if (HAL_IS_BIT_SET(hspi->ErrorCode, HAL_SPI_ERROR_ABORT)) + { + /* return HAL_Error in case of error during Abort procedure */ + errorcode = HAL_ERROR; + } + else + { + /* Reset errorCode */ + hspi->ErrorCode = HAL_SPI_ERROR_NONE; + } + + /* Unlock the process */ + __HAL_UNLOCK(hspi); + + /* Restore hspi->state to ready */ + hspi->State = HAL_SPI_STATE_READY; + + return errorcode; +} + +/** + * @brief Abort ongoing transfer (Interrupt mode). + * @param hspi SPI handle. + * @note This procedure could be used for aborting any ongoing transfer (Tx and Rx), + * started in Interrupt or DMA mode. + * @note This procedure performs following operations : + * + Disable SPI Interrupts (depending of transfer direction) + * + Disable the DMA transfer in the peripheral register (if enabled) + * + Abort DMA transfer by calling HAL_DMA_Abort_IT (in case of transfer in DMA mode) + * + Set handle State to READY + * + At abort completion, call user abort complete callback. + * @note This procedure is executed in Interrupt mode, meaning that abort procedure could be + * considered as completed only when user abort complete callback is executed (not when exiting function). + * @retval HAL status + */ +HAL_StatusTypeDef HAL_SPI_Abort_IT(SPI_HandleTypeDef *hspi) +{ + HAL_StatusTypeDef errorcode; + __IO uint32_t count; + uint32_t dma_tx_abort_done = 1UL; + uint32_t dma_rx_abort_done = 1UL; + + /* Set hspi->state to aborting to avoid any interaction */ + hspi->State = HAL_SPI_STATE_ABORT; + + /* Initialized local variable */ + errorcode = HAL_OK; + count = SPI_DEFAULT_TIMEOUT * (SystemCoreClock / 24UL / 1000UL); + + /* If master communication on going, make sure current frame is done before closing the connection */ + if (HAL_IS_BIT_SET(hspi->Instance->CR1, SPI_CR1_CSTART)) + { + /* Disable EOT interrupt */ + __HAL_SPI_DISABLE_IT(hspi, SPI_IT_EOT); + do + { + count--; + if (count == 0UL) + { + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_ABORT); + break; + } + } + while (HAL_IS_BIT_SET(hspi->Instance->IER, SPI_IT_EOT)); + + /* Request a Suspend transfer */ + SET_BIT(hspi->Instance->CR1, SPI_CR1_CSUSP); + do + { + count--; + if (count == 0UL) + { + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_ABORT); + break; + } + } + while (HAL_IS_BIT_SET(hspi->Instance->CR1, SPI_CR1_CSTART)); + + /* Clear SUSP flag */ + __HAL_SPI_CLEAR_SUSPFLAG(hspi); + do + { + count--; + if (count == 0UL) + { + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_ABORT); + break; + } + } + while (__HAL_SPI_GET_FLAG(hspi, SPI_FLAG_SUSP)); + } + + /* If DMA Tx and/or DMA Rx Handles are associated to SPI Handle, DMA Abort complete callbacks should be initialized + before any call to DMA Abort functions */ + + if (hspi->hdmatx != NULL) + { + if (HAL_IS_BIT_SET(hspi->Instance->CFG1, SPI_CFG1_TXDMAEN)) + { + /* Set DMA Abort Complete callback if SPI DMA Tx request if enabled */ + hspi->hdmatx->XferAbortCallback = SPI_DMATxAbortCallback; + + dma_tx_abort_done = 0UL; + + /* Abort DMA Tx Handle linked to SPI Peripheral */ + if (HAL_DMA_Abort_IT(hspi->hdmatx) != HAL_OK) + { + if (HAL_DMA_GetError(hspi->hdmatx) == HAL_DMA_ERROR_NO_XFER) + { + dma_tx_abort_done = 1UL; + hspi->hdmatx->XferAbortCallback = NULL; + } + } + } + else + { + hspi->hdmatx->XferAbortCallback = NULL; + } + } + + if (hspi->hdmarx != NULL) + { + if (HAL_IS_BIT_SET(hspi->Instance->CFG1, SPI_CFG1_RXDMAEN)) + { + /* Set DMA Abort Complete callback if SPI DMA Rx request if enabled */ + hspi->hdmarx->XferAbortCallback = SPI_DMARxAbortCallback; + + dma_rx_abort_done = 0UL; + + /* Abort DMA Rx Handle linked to SPI Peripheral */ + if (HAL_DMA_Abort_IT(hspi->hdmarx) != HAL_OK) + { + if (HAL_DMA_GetError(hspi->hdmarx) == HAL_DMA_ERROR_NO_XFER) + { + dma_rx_abort_done = 1UL; + hspi->hdmarx->XferAbortCallback = NULL; + } + } + } + else + { + hspi->hdmarx->XferAbortCallback = NULL; + } + } + + /* If no running DMA transfer, finish cleanup and call callbacks */ + if ((dma_tx_abort_done == 1UL) && (dma_rx_abort_done == 1UL)) + { + /* Proceed with abort procedure */ + SPI_AbortTransfer(hspi); + + /* Check error during Abort procedure */ + if (HAL_IS_BIT_SET(hspi->ErrorCode, HAL_SPI_ERROR_ABORT)) + { + /* return HAL_Error in case of error during Abort procedure */ + errorcode = HAL_ERROR; + } + else + { + /* Reset errorCode */ + hspi->ErrorCode = HAL_SPI_ERROR_NONE; + } + + /* Restore hspi->state to ready */ + hspi->State = HAL_SPI_STATE_READY; + + /* Call user Abort complete callback */ +#if (USE_HAL_SPI_REGISTER_CALLBACKS == 1UL) + hspi->AbortCpltCallback(hspi); +#else + HAL_SPI_AbortCpltCallback(hspi); +#endif /* USE_HAL_SPI_REGISTER_CALLBACKS */ + } + + return errorcode; +} + +/** + * @brief Pause the DMA Transfer. + * This API is not supported, it is maintained for backward compatibility. + * @param hspi: pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for the specified SPI module. + * @retval HAL_ERROR + */ +HAL_StatusTypeDef HAL_SPI_DMAPause(SPI_HandleTypeDef *hspi) +{ + /* Set error code to not supported */ + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_NOT_SUPPORTED); + + return HAL_ERROR; +} + +/** + * @brief Resume the DMA Transfer. + * This API is not supported, it is maintained for backward compatibility. + * @param hspi: pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for the specified SPI module. + * @retval HAL_ERROR + */ +HAL_StatusTypeDef HAL_SPI_DMAResume(SPI_HandleTypeDef *hspi) +{ + /* Set error code to not supported */ + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_NOT_SUPPORTED); + + return HAL_ERROR; +} + +/** + * @brief Stop the DMA Transfer. + * This API is not supported, it is maintained for backward compatibility. + * @param hspi: pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for the specified SPI module. + * @retval HAL_ERROR + */ +HAL_StatusTypeDef HAL_SPI_DMAStop(SPI_HandleTypeDef *hspi) +{ + /* Set error code to not supported */ + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_NOT_SUPPORTED); + + return HAL_ERROR; +} + +/** + * @brief Handle SPI interrupt request. + * @param hspi: pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for the specified SPI module. + * @retval None + */ +void HAL_SPI_IRQHandler(SPI_HandleTypeDef *hspi) +{ + uint32_t itsource = hspi->Instance->IER; + uint32_t itflag = hspi->Instance->SR; + uint32_t trigger = itsource & itflag; + uint32_t cfg1 = hspi->Instance->CFG1; + uint32_t handled = 0UL; + + HAL_SPI_StateTypeDef State = hspi->State; +#if defined (__GNUC__) + __IO uint16_t *prxdr_16bits = (__IO uint16_t *)(&(hspi->Instance->RXDR)); +#endif /* __GNUC__ */ + + /* SPI in SUSPEND mode ----------------------------------------------------*/ + if (HAL_IS_BIT_SET(itflag, SPI_FLAG_SUSP) && HAL_IS_BIT_SET(itsource, SPI_FLAG_EOT)) + { + /* Clear the Suspend flag */ + __HAL_SPI_CLEAR_SUSPFLAG(hspi); + + /* Suspend on going, Call the Suspend callback */ +#if (USE_HAL_SPI_REGISTER_CALLBACKS == 1UL) + hspi->SuspendCallback(hspi); +#else + HAL_SPI_SuspendCallback(hspi); +#endif /* USE_HAL_SPI_REGISTER_CALLBACKS */ + return; + } + + /* SPI in mode Transmitter and Receiver ------------------------------------*/ + if (HAL_IS_BIT_CLR(trigger, SPI_FLAG_OVR) && HAL_IS_BIT_CLR(trigger, SPI_FLAG_UDR) && \ + HAL_IS_BIT_SET(trigger, SPI_FLAG_DXP)) + { + hspi->TxISR(hspi); + hspi->RxISR(hspi); + handled = 1UL; + } + + /* SPI in mode Receiver ----------------------------------------------------*/ + if (HAL_IS_BIT_CLR(trigger, SPI_FLAG_OVR) && HAL_IS_BIT_SET(trigger, SPI_FLAG_RXP) && \ + HAL_IS_BIT_CLR(trigger, SPI_FLAG_DXP)) + { + hspi->RxISR(hspi); + handled = 1UL; + } + + /* SPI in mode Transmitter -------------------------------------------------*/ + if (HAL_IS_BIT_CLR(trigger, SPI_FLAG_UDR) && HAL_IS_BIT_SET(trigger, SPI_FLAG_TXP) && \ + HAL_IS_BIT_CLR(trigger, SPI_FLAG_DXP)) + { + hspi->TxISR(hspi); + handled = 1UL; + } + +#if defined(USE_SPI_RELOAD_TRANSFER) + /* SPI Reload -------------------------------------------------*/ + if (HAL_IS_BIT_SET(trigger, SPI_FLAG_TSERF)) + { + hspi->Reload.Requested = 0UL; + __HAL_SPI_CLEAR_TSERFFLAG(hspi); + } +#endif /* USE_SPI_RELOAD_TRANSFER */ + + if (handled != 0UL) + { + return; + } + + /* SPI End Of Transfer: DMA or IT based transfer */ + if (HAL_IS_BIT_SET(trigger, SPI_FLAG_EOT)) + { + /* Clear EOT/TXTF/SUSP flag */ + __HAL_SPI_CLEAR_EOTFLAG(hspi); + __HAL_SPI_CLEAR_TXTFFLAG(hspi); + __HAL_SPI_CLEAR_SUSPFLAG(hspi); + + /* Disable EOT interrupt */ + __HAL_SPI_DISABLE_IT(hspi, SPI_IT_EOT); + + /* For the IT based receive extra polling maybe required for last packet */ + if (HAL_IS_BIT_CLR(hspi->Instance->CFG1, SPI_CFG1_TXDMAEN | SPI_CFG1_RXDMAEN)) + { + /* Pooling remaining data */ + while (hspi->RxXferCount != 0UL) + { + /* Receive data in 32 Bit mode */ + if (hspi->Init.DataSize > SPI_DATASIZE_16BIT) + { + *((uint32_t *)hspi->pRxBuffPtr) = *((__IO uint32_t *)&hspi->Instance->RXDR); + hspi->pRxBuffPtr += sizeof(uint32_t); + } + /* Receive data in 16 Bit mode */ + else if (hspi->Init.DataSize > SPI_DATASIZE_8BIT) + { +#if defined (__GNUC__) + *((uint16_t *)hspi->pRxBuffPtr) = *prxdr_16bits; +#else + *((uint16_t *)hspi->pRxBuffPtr) = *((__IO uint16_t *)&hspi->Instance->RXDR); +#endif /* __GNUC__ */ + hspi->pRxBuffPtr += sizeof(uint16_t); + } + /* Receive data in 8 Bit mode */ + else + { + *((uint8_t *)hspi->pRxBuffPtr) = *((__IO uint8_t *)&hspi->Instance->RXDR); + hspi->pRxBuffPtr += sizeof(uint8_t); + } + + hspi->RxXferCount--; + } + } + + /* Call SPI Standard close procedure */ + SPI_CloseTransfer(hspi); + + hspi->State = HAL_SPI_STATE_READY; + if (hspi->ErrorCode != HAL_SPI_ERROR_NONE) + { +#if (USE_HAL_SPI_REGISTER_CALLBACKS == 1UL) + hspi->ErrorCallback(hspi); +#else + HAL_SPI_ErrorCallback(hspi); +#endif /* USE_HAL_SPI_REGISTER_CALLBACKS */ + return; + } + +#if (USE_HAL_SPI_REGISTER_CALLBACKS == 1UL) + /* Call appropriate user callback */ + if (State == HAL_SPI_STATE_BUSY_TX_RX) + { + hspi->TxRxCpltCallback(hspi); + } + else if (State == HAL_SPI_STATE_BUSY_RX) + { + hspi->RxCpltCallback(hspi); + } + else if (State == HAL_SPI_STATE_BUSY_TX) + { + hspi->TxCpltCallback(hspi); + } +#else + /* Call appropriate user callback */ + if (State == HAL_SPI_STATE_BUSY_TX_RX) + { + HAL_SPI_TxRxCpltCallback(hspi); + } + else if (State == HAL_SPI_STATE_BUSY_RX) + { + HAL_SPI_RxCpltCallback(hspi); + } + else if (State == HAL_SPI_STATE_BUSY_TX) + { + HAL_SPI_TxCpltCallback(hspi); + } +#endif /* USE_HAL_SPI_REGISTER_CALLBACKS */ + else + { + /* End of the appropriate call */ + } + + return; + } + + /* SPI in Error Treatment --------------------------------------------------*/ + if ((trigger & (SPI_FLAG_MODF | SPI_FLAG_OVR | SPI_FLAG_FRE | SPI_FLAG_UDR)) != 0UL) + { + /* SPI Overrun error interrupt occurred ----------------------------------*/ + if ((trigger & SPI_FLAG_OVR) != 0UL) + { + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_OVR); + __HAL_SPI_CLEAR_OVRFLAG(hspi); + } + + /* SPI Mode Fault error interrupt occurred -------------------------------*/ + if ((trigger & SPI_FLAG_MODF) != 0UL) + { + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_MODF); + __HAL_SPI_CLEAR_MODFFLAG(hspi); + } + + /* SPI Frame error interrupt occurred ------------------------------------*/ + if ((trigger & SPI_FLAG_FRE) != 0UL) + { + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_FRE); + __HAL_SPI_CLEAR_FREFLAG(hspi); + } + + /* SPI Underrun error interrupt occurred ------------------------------------*/ + if ((trigger & SPI_FLAG_UDR) != 0UL) + { + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_UDR); + __HAL_SPI_CLEAR_UDRFLAG(hspi); + } + + if (hspi->ErrorCode != HAL_SPI_ERROR_NONE) + { + /* Disable SPI peripheral */ + __HAL_SPI_DISABLE(hspi); + + /* Disable all interrupts */ + __HAL_SPI_DISABLE_IT(hspi, (SPI_IT_EOT | SPI_IT_RXP | SPI_IT_TXP | SPI_IT_MODF | + SPI_IT_OVR | SPI_IT_FRE | SPI_IT_UDR)); + + /* Disable the SPI DMA requests if enabled */ + if (HAL_IS_BIT_SET(cfg1, SPI_CFG1_TXDMAEN | SPI_CFG1_RXDMAEN)) + { + /* Disable the SPI DMA requests */ + CLEAR_BIT(hspi->Instance->CFG1, SPI_CFG1_TXDMAEN | SPI_CFG1_RXDMAEN); + + /* Abort the SPI DMA Rx channel */ + if (hspi->hdmarx != NULL) + { + /* Set the SPI DMA Abort callback : + will lead to call HAL_SPI_ErrorCallback() at end of DMA abort procedure */ + hspi->hdmarx->XferAbortCallback = SPI_DMAAbortOnError; + if (HAL_OK != HAL_DMA_Abort_IT(hspi->hdmarx)) + { + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_ABORT); + } + } + /* Abort the SPI DMA Tx channel */ + if (hspi->hdmatx != NULL) + { + /* Set the SPI DMA Abort callback : + will lead to call HAL_SPI_ErrorCallback() at end of DMA abort procedure */ + hspi->hdmatx->XferAbortCallback = SPI_DMAAbortOnError; + if (HAL_OK != HAL_DMA_Abort_IT(hspi->hdmatx)) + { + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_ABORT); + } + } + } + else + { + /* Restore hspi->State to Ready */ + hspi->State = HAL_SPI_STATE_READY; + + /* Call user error callback */ +#if (USE_HAL_SPI_REGISTER_CALLBACKS == 1UL) + hspi->ErrorCallback(hspi); +#else + HAL_SPI_ErrorCallback(hspi); +#endif /* USE_HAL_SPI_REGISTER_CALLBACKS */ + } + } + return; + } +} + +/** + * @brief Tx Transfer completed callback. + * @param hspi: pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @retval None + */ +__weak void HAL_SPI_TxCpltCallback(SPI_HandleTypeDef *hspi) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hspi); + + /* NOTE : This function should not be modified, when the callback is needed, + the HAL_SPI_TxCpltCallback should be implemented in the user file + */ +} + +/** + * @brief Rx Transfer completed callback. + * @param hspi: pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @retval None + */ +__weak void HAL_SPI_RxCpltCallback(SPI_HandleTypeDef *hspi) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hspi); + + /* NOTE : This function should not be modified, when the callback is needed, + the HAL_SPI_RxCpltCallback should be implemented in the user file + */ +} + +/** + * @brief Tx and Rx Transfer completed callback. + * @param hspi: pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @retval None + */ +__weak void HAL_SPI_TxRxCpltCallback(SPI_HandleTypeDef *hspi) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hspi); + + /* NOTE : This function should not be modified, when the callback is needed, + the HAL_SPI_TxRxCpltCallback should be implemented in the user file + */ +} + +/** + * @brief Tx Half Transfer completed callback. + * @param hspi: pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @retval None + */ +__weak void HAL_SPI_TxHalfCpltCallback(SPI_HandleTypeDef *hspi) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hspi); + + /* NOTE : This function should not be modified, when the callback is needed, + the HAL_SPI_TxHalfCpltCallback should be implemented in the user file + */ +} + +/** + * @brief Rx Half Transfer completed callback. + * @param hspi: pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @retval None + */ +__weak void HAL_SPI_RxHalfCpltCallback(SPI_HandleTypeDef *hspi) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hspi); + + /* NOTE : This function should not be modified, when the callback is needed, + the HAL_SPI_RxHalfCpltCallback() should be implemented in the user file + */ +} + +/** + * @brief Tx and Rx Half Transfer callback. + * @param hspi: pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @retval None + */ +__weak void HAL_SPI_TxRxHalfCpltCallback(SPI_HandleTypeDef *hspi) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hspi); + + /* NOTE : This function should not be modified, when the callback is needed, + the HAL_SPI_TxRxHalfCpltCallback() should be implemented in the user file + */ +} + +/** + * @brief SPI error callback. + * @param hspi: pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @retval None + */ +__weak void HAL_SPI_ErrorCallback(SPI_HandleTypeDef *hspi) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hspi); + + /* NOTE : This function should not be modified, when the callback is needed, + the HAL_SPI_ErrorCallback should be implemented in the user file + */ + /* NOTE : The ErrorCode parameter in the hspi handle is updated by the SPI processes + and user can use HAL_SPI_GetError() API to check the latest error occurred + */ +} + +/** + * @brief SPI Abort Complete callback. + * @param hspi SPI handle. + * @retval None + */ +__weak void HAL_SPI_AbortCpltCallback(SPI_HandleTypeDef *hspi) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hspi); + + /* NOTE : This function should not be modified, when the callback is needed, + the HAL_SPI_AbortCpltCallback can be implemented in the user file. + */ +} + +/** + * @brief SPI Suspend callback. + * @param hspi SPI handle. + * @retval None + */ +__weak void HAL_SPI_SuspendCallback(SPI_HandleTypeDef *hspi) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(hspi); + + /* NOTE : This function should not be modified, when the callback is needed, + the HAL_SPI_SuspendCallback can be implemented in the user file. + */ +} + +/** + * @} + */ + +/** @defgroup SPI_Exported_Functions_Group3 Peripheral State and Errors functions + * @brief SPI control functions + * +@verbatim + =============================================================================== + ##### Peripheral State and Errors functions ##### + =============================================================================== + [..] + This subsection provides a set of functions allowing to control the SPI. + (+) HAL_SPI_GetState() API can be helpful to check in run-time the state of the SPI peripheral + (+) HAL_SPI_GetError() check in run-time Errors occurring during communication +@endverbatim + * @{ + */ + +/** + * @brief Return the SPI handle state. + * @param hspi: pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @retval SPI state + */ +HAL_SPI_StateTypeDef HAL_SPI_GetState(const SPI_HandleTypeDef *hspi) +{ + /* Return SPI handle state */ + return hspi->State; +} + +/** + * @brief Return the SPI error code. + * @param hspi: pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @retval SPI error code in bitmap format + */ +uint32_t HAL_SPI_GetError(const SPI_HandleTypeDef *hspi) +{ + /* Return SPI ErrorCode */ + return hspi->ErrorCode; +} + +/** + * @} + */ + +/** + * @} + */ + +/** @addtogroup SPI_Private_Functions + * @brief Private functions + * @{ + */ + +/** + * @brief DMA SPI transmit process complete callback. + * @param hdma: pointer to a DMA_HandleTypeDef structure that contains + * the configuration information for the specified DMA module. + * @retval None + */ +static void SPI_DMATransmitCplt(DMA_HandleTypeDef *hdma) +{ + SPI_HandleTypeDef *hspi = (SPI_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent; + + if (hspi->State != HAL_SPI_STATE_ABORT) + { + if (hspi->hdmatx->Init.Mode == DMA_CIRCULAR) + { +#if (USE_HAL_SPI_REGISTER_CALLBACKS == 1UL) + hspi->TxCpltCallback(hspi); +#else + HAL_SPI_TxCpltCallback(hspi); +#endif /* USE_HAL_SPI_REGISTER_CALLBACKS */ + } + else + { + /* Enable EOT interrupt */ + __HAL_SPI_ENABLE_IT(hspi, SPI_IT_EOT); + } + } +} + +/** + * @brief DMA SPI receive process complete callback. + * @param hdma: pointer to a DMA_HandleTypeDef structure that contains + * the configuration information for the specified DMA module. + * @retval None + */ +static void SPI_DMAReceiveCplt(DMA_HandleTypeDef *hdma) +{ + SPI_HandleTypeDef *hspi = (SPI_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent; + + if (hspi->State != HAL_SPI_STATE_ABORT) + { + if (hspi->hdmarx->Init.Mode == DMA_CIRCULAR) + { +#if (USE_HAL_SPI_REGISTER_CALLBACKS == 1UL) + hspi->RxCpltCallback(hspi); +#else + HAL_SPI_RxCpltCallback(hspi); +#endif /* USE_HAL_SPI_REGISTER_CALLBACKS */ + } + else + { + /* Enable EOT interrupt */ + __HAL_SPI_ENABLE_IT(hspi, SPI_IT_EOT); + } + } +} + +/** + * @brief DMA SPI transmit receive process complete callback. + * @param hdma: pointer to a DMA_HandleTypeDef structure that contains + * the configuration information for the specified DMA module. + * @retval None + */ +static void SPI_DMATransmitReceiveCplt(DMA_HandleTypeDef *hdma) +{ + SPI_HandleTypeDef *hspi = (SPI_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent; + + if (hspi->State != HAL_SPI_STATE_ABORT) + { + if (hspi->hdmatx->Init.Mode == DMA_CIRCULAR) + { +#if (USE_HAL_SPI_REGISTER_CALLBACKS == 1UL) + hspi->TxRxCpltCallback(hspi); +#else + HAL_SPI_TxRxCpltCallback(hspi); +#endif /* USE_HAL_SPI_REGISTER_CALLBACKS */ + } + else + { + /* Enable EOT interrupt */ + __HAL_SPI_ENABLE_IT(hspi, SPI_IT_EOT); + } + } +} + +/** + * @brief DMA SPI half transmit process complete callback. + * @param hdma: pointer to a DMA_HandleTypeDef structure that contains + * the configuration information for the specified DMA module. + * @retval None + */ +static void SPI_DMAHalfTransmitCplt(DMA_HandleTypeDef *hdma) +{ + SPI_HandleTypeDef *hspi = (SPI_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent; + +#if (USE_HAL_SPI_REGISTER_CALLBACKS == 1UL) + hspi->TxHalfCpltCallback(hspi); +#else + HAL_SPI_TxHalfCpltCallback(hspi); +#endif /* USE_HAL_SPI_REGISTER_CALLBACKS */ +} + +/** + * @brief DMA SPI half receive process complete callback + * @param hdma: pointer to a DMA_HandleTypeDef structure that contains + * the configuration information for the specified DMA module. + * @retval None + */ +static void SPI_DMAHalfReceiveCplt(DMA_HandleTypeDef *hdma) +{ + SPI_HandleTypeDef *hspi = (SPI_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent; + +#if (USE_HAL_SPI_REGISTER_CALLBACKS == 1UL) + hspi->RxHalfCpltCallback(hspi); +#else + HAL_SPI_RxHalfCpltCallback(hspi); +#endif /* USE_HAL_SPI_REGISTER_CALLBACKS */ +} + +/** + * @brief DMA SPI half transmit receive process complete callback. + * @param hdma: pointer to a DMA_HandleTypeDef structure that contains + * the configuration information for the specified DMA module. + * @retval None + */ +static void SPI_DMAHalfTransmitReceiveCplt(DMA_HandleTypeDef *hdma) +{ + SPI_HandleTypeDef *hspi = (SPI_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent; + +#if (USE_HAL_SPI_REGISTER_CALLBACKS == 1UL) + hspi->TxRxHalfCpltCallback(hspi); +#else + HAL_SPI_TxRxHalfCpltCallback(hspi); +#endif /* USE_HAL_SPI_REGISTER_CALLBACKS */ +} + +/** + * @brief DMA SPI communication error callback. + * @param hdma: pointer to a DMA_HandleTypeDef structure that contains + * the configuration information for the specified DMA module. + * @retval None + */ +static void SPI_DMAError(DMA_HandleTypeDef *hdma) +{ + SPI_HandleTypeDef *hspi = (SPI_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent; + + /* if DMA error is FIFO error ignore it */ + if (HAL_DMA_GetError(hdma) != HAL_DMA_ERROR_FE) + { + /* Call SPI standard close procedure */ + SPI_CloseTransfer(hspi); + + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_DMA); + hspi->State = HAL_SPI_STATE_READY; +#if (USE_HAL_SPI_REGISTER_CALLBACKS == 1UL) + hspi->ErrorCallback(hspi); +#else + HAL_SPI_ErrorCallback(hspi); +#endif /* USE_HAL_SPI_REGISTER_CALLBACKS */ + } +} + +/** + * @brief DMA SPI communication abort callback, when initiated by HAL services on Error + * (To be called at end of DMA Abort procedure following error occurrence). + * @param hdma DMA handle. + * @retval None + */ +static void SPI_DMAAbortOnError(DMA_HandleTypeDef *hdma) +{ + SPI_HandleTypeDef *hspi = (SPI_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent; + hspi->RxXferCount = (uint16_t) 0UL; + hspi->TxXferCount = (uint16_t) 0UL; + + /* Restore hspi->State to Ready */ + hspi->State = HAL_SPI_STATE_READY; + +#if (USE_HAL_SPI_REGISTER_CALLBACKS == 1UL) + hspi->ErrorCallback(hspi); +#else + HAL_SPI_ErrorCallback(hspi); +#endif /* USE_HAL_SPI_REGISTER_CALLBACKS */ +} + +/** + * @brief DMA SPI Tx communication abort callback, when initiated by user + * (To be called at end of DMA Tx Abort procedure following user abort request). + * @note When this callback is executed, User Abort complete call back is called only if no + * Abort still ongoing for Rx DMA Handle. + * @param hdma DMA handle. + * @retval None + */ +static void SPI_DMATxAbortCallback(DMA_HandleTypeDef *hdma) +{ + SPI_HandleTypeDef *hspi = (SPI_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent; + + hspi->hdmatx->XferAbortCallback = NULL; + + /* Check if an Abort process is still ongoing */ + if (hspi->hdmarx != NULL) + { + if (hspi->hdmarx->XferAbortCallback != NULL) + { + return; + } + } + + /* Call the Abort procedure */ + SPI_AbortTransfer(hspi); + + /* Restore hspi->State to Ready */ + hspi->State = HAL_SPI_STATE_READY; + + /* Call user Abort complete callback */ +#if (USE_HAL_SPI_REGISTER_CALLBACKS == 1UL) + hspi->AbortCpltCallback(hspi); +#else + HAL_SPI_AbortCpltCallback(hspi); +#endif /* USE_HAL_SPI_REGISTER_CALLBACKS */ +} + +/** + * @brief DMA SPI Rx communication abort callback, when initiated by user + * (To be called at end of DMA Rx Abort procedure following user abort request). + * @note When this callback is executed, User Abort complete call back is called only if no + * Abort still ongoing for Tx DMA Handle. + * @param hdma DMA handle. + * @retval None + */ +static void SPI_DMARxAbortCallback(DMA_HandleTypeDef *hdma) +{ + SPI_HandleTypeDef *hspi = (SPI_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent; + + hspi->hdmarx->XferAbortCallback = NULL; + + /* Check if an Abort process is still ongoing */ + if (hspi->hdmatx != NULL) + { + if (hspi->hdmatx->XferAbortCallback != NULL) + { + return; + } + } + + /* Call the Abort procedure */ + SPI_AbortTransfer(hspi); + + /* Restore hspi->State to Ready */ + hspi->State = HAL_SPI_STATE_READY; + + /* Call user Abort complete callback */ +#if (USE_HAL_SPI_REGISTER_CALLBACKS == 1UL) + hspi->AbortCpltCallback(hspi); +#else + HAL_SPI_AbortCpltCallback(hspi); +#endif /* USE_HAL_SPI_REGISTER_CALLBACKS */ +} + +/** + * @brief Manage the receive 8-bit in Interrupt context. + * @param hspi: pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @retval None + */ +static void SPI_RxISR_8BIT(SPI_HandleTypeDef *hspi) +{ + /* Receive data in 8 Bit mode */ + *((uint8_t *)hspi->pRxBuffPtr) = (*(__IO uint8_t *)&hspi->Instance->RXDR); + hspi->pRxBuffPtr += sizeof(uint8_t); + hspi->RxXferCount--; + + /* Disable IT if no more data excepted */ + if (hspi->RxXferCount == 0UL) + { +#if defined(USE_SPI_RELOAD_TRANSFER) + /* Check if there is any request to reload */ + if (hspi->Reload.Requested == 1UL) + { + hspi->RxXferSize = hspi->Reload.RxXferSize; + hspi->RxXferCount = hspi->Reload.RxXferSize; + hspi->pRxBuffPtr = hspi->Reload.pRxBuffPtr; + } + else + { + /* Disable RXP interrupts */ + __HAL_SPI_DISABLE_IT(hspi, SPI_IT_RXP); + } +#else + /* Disable RXP interrupts */ + __HAL_SPI_DISABLE_IT(hspi, SPI_IT_RXP); +#endif /* USE_SPI_RELOAD_TRANSFER */ + } +} + + +/** + * @brief Manage the 16-bit receive in Interrupt context. + * @param hspi: pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @retval None + */ +static void SPI_RxISR_16BIT(SPI_HandleTypeDef *hspi) +{ + /* Receive data in 16 Bit mode */ +#if defined (__GNUC__) + __IO uint16_t *prxdr_16bits = (__IO uint16_t *)(&(hspi->Instance->RXDR)); + + *((uint16_t *)hspi->pRxBuffPtr) = *prxdr_16bits; +#else + *((uint16_t *)hspi->pRxBuffPtr) = (*(__IO uint16_t *)&hspi->Instance->RXDR); +#endif /* __GNUC__ */ + hspi->pRxBuffPtr += sizeof(uint16_t); + hspi->RxXferCount--; + + /* Disable IT if no more data excepted */ + if (hspi->RxXferCount == 0UL) + { +#if defined(USE_SPI_RELOAD_TRANSFER) + /* Check if there is any request to reload */ + if (hspi->Reload.Requested == 1UL) + { + hspi->RxXferSize = hspi->Reload.RxXferSize; + hspi->RxXferCount = hspi->Reload.RxXferSize; + hspi->pRxBuffPtr = hspi->Reload.pRxBuffPtr; + } + else + { + /* Disable RXP interrupts */ + __HAL_SPI_DISABLE_IT(hspi, SPI_IT_RXP); + } +#else + /* Disable RXP interrupts */ + __HAL_SPI_DISABLE_IT(hspi, SPI_IT_RXP); +#endif /* USE_SPI_RELOAD_TRANSFER */ + } +} + + +/** + * @brief Manage the 32-bit receive in Interrupt context. + * @param hspi: pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @retval None + */ +static void SPI_RxISR_32BIT(SPI_HandleTypeDef *hspi) +{ + /* Receive data in 32 Bit mode */ + *((uint32_t *)hspi->pRxBuffPtr) = (*(__IO uint32_t *)&hspi->Instance->RXDR); + hspi->pRxBuffPtr += sizeof(uint32_t); + hspi->RxXferCount--; + + /* Disable IT if no more data excepted */ + if (hspi->RxXferCount == 0UL) + { +#if defined(USE_SPI_RELOAD_TRANSFER) + /* Check if there is any request to reload */ + if (hspi->Reload.Requested == 1UL) + { + hspi->RxXferSize = hspi->Reload.RxXferSize; + hspi->RxXferCount = hspi->Reload.RxXferSize; + hspi->pRxBuffPtr = hspi->Reload.pRxBuffPtr; + } + else + { + /* Disable RXP interrupts */ + __HAL_SPI_DISABLE_IT(hspi, SPI_IT_RXP); + } +#else + /* Disable RXP interrupts */ + __HAL_SPI_DISABLE_IT(hspi, SPI_IT_RXP); +#endif /* USE_SPI_RELOAD_TRANSFER */ + } +} + + +/** + * @brief Handle the data 8-bit transmit in Interrupt mode. + * @param hspi: pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @retval None + */ +static void SPI_TxISR_8BIT(SPI_HandleTypeDef *hspi) +{ + /* Transmit data in 8 Bit mode */ + *(__IO uint8_t *)&hspi->Instance->TXDR = *((const uint8_t *)hspi->pTxBuffPtr); + hspi->pTxBuffPtr += sizeof(uint8_t); + hspi->TxXferCount--; + + /* Disable IT if no more data excepted */ + if (hspi->TxXferCount == 0UL) + { +#if defined(USE_SPI_RELOAD_TRANSFER) + /* Check if there is any request to reload */ + if (hspi->Reload.Requested == 1UL) + { + hspi->TxXferSize = hspi->Reload.TxXferSize; + hspi->TxXferCount = hspi->Reload.TxXferSize; + hspi->pTxBuffPtr = hspi->Reload.pTxBuffPtr; + } + else + { + /* Disable TXP interrupts */ + __HAL_SPI_DISABLE_IT(hspi, SPI_IT_TXP); + } +#else + /* Disable TXP interrupts */ + __HAL_SPI_DISABLE_IT(hspi, SPI_IT_TXP); +#endif /* USE_SPI_RELOAD_TRANSFER */ + } +} + +/** + * @brief Handle the data 16-bit transmit in Interrupt mode. + * @param hspi: pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @retval None + */ +static void SPI_TxISR_16BIT(SPI_HandleTypeDef *hspi) +{ + /* Transmit data in 16 Bit mode */ +#if defined (__GNUC__) + __IO uint16_t *ptxdr_16bits = (__IO uint16_t *)(&(hspi->Instance->TXDR)); + + *ptxdr_16bits = *((const uint16_t *)hspi->pTxBuffPtr); +#else + *((__IO uint16_t *)&hspi->Instance->TXDR) = *((const uint16_t *)hspi->pTxBuffPtr); +#endif /* __GNUC__ */ + hspi->pTxBuffPtr += sizeof(uint16_t); + hspi->TxXferCount--; + + /* Disable IT if no more data excepted */ + if (hspi->TxXferCount == 0UL) + { +#if defined(USE_SPI_RELOAD_TRANSFER) + /* Check if there is any request to reload */ + if (hspi->Reload.Requested == 1UL) + { + hspi->TxXferSize = hspi->Reload.TxXferSize; + hspi->TxXferCount = hspi->Reload.TxXferSize; + hspi->pTxBuffPtr = hspi->Reload.pTxBuffPtr; + } + else + { + /* Disable TXP interrupts */ + __HAL_SPI_DISABLE_IT(hspi, SPI_IT_TXP); + } +#else + /* Disable TXP interrupts */ + __HAL_SPI_DISABLE_IT(hspi, SPI_IT_TXP); +#endif /* USE_SPI_RELOAD_TRANSFER */ + } +} + +/** + * @brief Handle the data 32-bit transmit in Interrupt mode. + * @param hspi: pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @retval None + */ +static void SPI_TxISR_32BIT(SPI_HandleTypeDef *hspi) +{ + /* Transmit data in 32 Bit mode */ + *((__IO uint32_t *)&hspi->Instance->TXDR) = *((const uint32_t *)hspi->pTxBuffPtr); + hspi->pTxBuffPtr += sizeof(uint32_t); + hspi->TxXferCount--; + + /* Disable IT if no more data excepted */ + if (hspi->TxXferCount == 0UL) + { +#if defined(USE_SPI_RELOAD_TRANSFER) + /* Check if there is any request to reload */ + if (hspi->Reload.Requested == 1UL) + { + hspi->TxXferSize = hspi->Reload.TxXferSize; + hspi->TxXferCount = hspi->Reload.TxXferSize; + hspi->pTxBuffPtr = hspi->Reload.pTxBuffPtr; + } + else + { + /* Disable TXP interrupts */ + __HAL_SPI_DISABLE_IT(hspi, SPI_IT_TXP); + } +#else + /* Disable TXP interrupts */ + __HAL_SPI_DISABLE_IT(hspi, SPI_IT_TXP); +#endif /* USE_SPI_RELOAD_TRANSFER */ + } +} + +/** + * @brief Abort Transfer and clear flags. + * @param hspi: pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @retval None + */ +static void SPI_AbortTransfer(SPI_HandleTypeDef *hspi) +{ + /* Disable SPI peripheral */ + __HAL_SPI_DISABLE(hspi); + + /* Disable ITs */ + __HAL_SPI_DISABLE_IT(hspi, (SPI_IT_EOT | SPI_IT_TXP | SPI_IT_RXP | SPI_IT_DXP | SPI_IT_UDR | SPI_IT_OVR | \ + SPI_IT_FRE | SPI_IT_MODF)); + + /* Clear the Status flags in the SR register */ + __HAL_SPI_CLEAR_EOTFLAG(hspi); + __HAL_SPI_CLEAR_TXTFFLAG(hspi); + + /* Disable Tx DMA Request */ + CLEAR_BIT(hspi->Instance->CFG1, SPI_CFG1_TXDMAEN | SPI_CFG1_RXDMAEN); + + /* Clear the Error flags in the SR register */ + __HAL_SPI_CLEAR_OVRFLAG(hspi); + __HAL_SPI_CLEAR_UDRFLAG(hspi); + __HAL_SPI_CLEAR_FREFLAG(hspi); + __HAL_SPI_CLEAR_MODFFLAG(hspi); + __HAL_SPI_CLEAR_SUSPFLAG(hspi); + +#if (USE_SPI_CRC != 0U) + __HAL_SPI_CLEAR_CRCERRFLAG(hspi); +#endif /* USE_SPI_CRC */ + + hspi->TxXferCount = (uint16_t)0UL; + hspi->RxXferCount = (uint16_t)0UL; +} + + +/** + * @brief Close Transfer and clear flags. + * @param hspi: pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @retval HAL_ERROR: if any error detected + * HAL_OK: if nothing detected + */ +static void SPI_CloseTransfer(SPI_HandleTypeDef *hspi) +{ + uint32_t itflag = hspi->Instance->SR; + + __HAL_SPI_CLEAR_EOTFLAG(hspi); + __HAL_SPI_CLEAR_TXTFFLAG(hspi); + + /* Disable SPI peripheral */ + __HAL_SPI_DISABLE(hspi); + + /* Disable ITs */ + __HAL_SPI_DISABLE_IT(hspi, (SPI_IT_EOT | SPI_IT_TXP | SPI_IT_RXP | SPI_IT_DXP | SPI_IT_UDR | SPI_IT_OVR | \ + SPI_IT_FRE | SPI_IT_MODF)); + + /* Disable Tx DMA Request */ + CLEAR_BIT(hspi->Instance->CFG1, SPI_CFG1_TXDMAEN | SPI_CFG1_RXDMAEN); + + /* Report UnderRun error for non RX Only communication */ + if (hspi->State != HAL_SPI_STATE_BUSY_RX) + { + if ((itflag & SPI_FLAG_UDR) != 0UL) + { + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_UDR); + __HAL_SPI_CLEAR_UDRFLAG(hspi); + } + } + + /* Report OverRun error for non TX Only communication */ + if (hspi->State != HAL_SPI_STATE_BUSY_TX) + { + if ((itflag & SPI_FLAG_OVR) != 0UL) + { + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_OVR); + __HAL_SPI_CLEAR_OVRFLAG(hspi); + } + +#if (USE_SPI_CRC != 0UL) + /* Check if CRC error occurred */ + if (hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) + { + if ((itflag & SPI_FLAG_CRCERR) != 0UL) + { + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_CRC); + __HAL_SPI_CLEAR_CRCERRFLAG(hspi); + } + } +#endif /* USE_SPI_CRC */ + } + + /* SPI Mode Fault error interrupt occurred -------------------------------*/ + if ((itflag & SPI_FLAG_MODF) != 0UL) + { + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_MODF); + __HAL_SPI_CLEAR_MODFFLAG(hspi); + } + + /* SPI Frame error interrupt occurred ------------------------------------*/ + if ((itflag & SPI_FLAG_FRE) != 0UL) + { + SET_BIT(hspi->ErrorCode, HAL_SPI_ERROR_FRE); + __HAL_SPI_CLEAR_FREFLAG(hspi); + } + + hspi->TxXferCount = (uint16_t)0UL; + hspi->RxXferCount = (uint16_t)0UL; +} + +/** + * @brief Handle SPI Communication Timeout. + * @param hspi: pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @param Flag: SPI flag to check + * @param Status: flag state to check + * @param Timeout: Timeout duration + * @param Tickstart: Tick start value + * @retval HAL status + */ +static HAL_StatusTypeDef SPI_WaitOnFlagUntilTimeout(SPI_HandleTypeDef *hspi, uint32_t Flag, FlagStatus Status, + uint32_t Timeout, uint32_t Tickstart) +{ + /* Wait until flag is set */ + while ((__HAL_SPI_GET_FLAG(hspi, Flag) ? SET : RESET) == Status) + { + /* Check for the Timeout */ + if ((((HAL_GetTick() - Tickstart) >= Timeout) && (Timeout != HAL_MAX_DELAY)) || (Timeout == 0U)) + { + return HAL_TIMEOUT; + } + } + return HAL_OK; +} + +/** + * @brief Compute configured packet size from fifo perspective. + * @param hspi: pointer to a SPI_HandleTypeDef structure that contains + * the configuration information for SPI module. + * @retval Packet size occupied in the fifo + */ +static uint32_t SPI_GetPacketSize(SPI_HandleTypeDef *hspi) +{ + uint32_t fifo_threashold = (hspi->Init.FifoThreshold >> SPI_CFG1_FTHLV_Pos) + 1UL; + uint32_t data_size = (hspi->Init.DataSize >> SPI_CFG1_DSIZE_Pos) + 1UL; + + /* Convert data size to Byte */ + data_size = (data_size + 7UL) / 8UL; + + return data_size * fifo_threashold; +} + +/** + * @} + */ + +#endif /* HAL_SPI_MODULE_ENABLED */ + +/** + * @} + */ + +/** + * @} + */ -- cgit v1.2.3