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_flash.c | 1201 ++++++++++++++++++++ 1 file changed, 1201 insertions(+) create mode 100644 Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash.c (limited to 'Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash.c') diff --git a/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash.c b/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash.c new file mode 100644 index 0000000..31ac244 --- /dev/null +++ b/Drivers/STM32H7xx_HAL_Driver/Src/stm32h7xx_hal_flash.c @@ -0,0 +1,1201 @@ +/** + ****************************************************************************** + * @file stm32h7xx_hal_flash.c + * @author MCD Application Team + * @brief FLASH HAL module driver. + * This file provides firmware functions to manage the following + * functionalities of the internal FLASH memory: + * + Program operations functions + * + Memory Control functions + * + Peripheral Errors functions + * + @verbatim + ============================================================================== + ##### FLASH peripheral features ##### + ============================================================================== + + [..] The Flash memory interface manages CPU AXI I-Code and D-Code accesses + to the Flash memory. It implements the erase and program Flash memory operations + and the read and write protection mechanisms. + + [..] The FLASH main features are: + (+) Flash memory read operations + (+) Flash memory program/erase operations + (+) Read / write protections + (+) Option bytes programming + (+) Error code correction (ECC) : Data in flash are 266-bits word + (10 bits added per flash word) + + ##### How to use this driver ##### + ============================================================================== + [..] + This driver provides functions and macros to configure and program the FLASH + memory of all STM32H7xx devices. + + (#) FLASH Memory IO Programming functions: + (++) Lock and Unlock the FLASH interface using HAL_FLASH_Unlock() and + HAL_FLASH_Lock() functions + (++) Program functions: 256-bit word only + (++) There Two modes of programming : + (+++) Polling mode using HAL_FLASH_Program() function + (+++) Interrupt mode using HAL_FLASH_Program_IT() function + + (#) Interrupts and flags management functions : + (++) Handle FLASH interrupts by calling HAL_FLASH_IRQHandler() + (++) Callback functions are called when the flash operations are finished : + HAL_FLASH_EndOfOperationCallback() when everything is ok, otherwise + HAL_FLASH_OperationErrorCallback() + (++) Get error flag status by calling HAL_FLASH_GetError() + + (#) Option bytes management functions : + (++) Lock and Unlock the option bytes using HAL_FLASH_OB_Unlock() and + HAL_FLASH_OB_Lock() functions + (++) Launch the reload of the option bytes using HAL_FLASH_OB_Launch() function. + In this case, a reset is generated + [..] + In addition to these functions, this driver includes a set of macros allowing + to handle the following operations: + (+) Set the latency + (+) Enable/Disable the FLASH interrupts + (+) Monitor the FLASH flags status + [..] + (@) For any Flash memory program operation (erase or program), the CPU clock frequency + (HCLK) must be at least 1MHz. + (@) The contents of the Flash memory are not guaranteed if a device reset occurs during + a Flash memory operation. + (@) The application can simultaneously request a read and a write operation through each AXI + interface. + As the Flash memory is divided into two independent banks, the embedded Flash + memory interface can drive different operations at the same time on each bank. For + example a read, write or erase operation can be executed on bank 1 while another read, + write or erase operation is executed on bank 2. + + @endverbatim + ****************************************************************************** + * @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. + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32h7xx_hal.h" + +/** @addtogroup STM32H7xx_HAL_Driver + * @{ + */ + +/** @defgroup FLASH FLASH + * @brief FLASH HAL module driver + * @{ + */ + +#ifdef HAL_FLASH_MODULE_ENABLED + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +/** @addtogroup FLASH_Private_Constants + * @{ + */ +#define FLASH_TIMEOUT_VALUE 50000U /* 50 s */ +/** + * @} + */ +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/** @addtogroup FLASH_Private_Variables + * @{ + */ +FLASH_ProcessTypeDef pFlash; +/** + * @} + */ +/* Private function prototypes -----------------------------------------------*/ +/* Exported functions ---------------------------------------------------------*/ + +/** @defgroup FLASH_Exported_Functions FLASH Exported functions + * @{ + */ + +/** @defgroup FLASH_Exported_Functions_Group1 Programming operation functions + * @brief Programming operation functions + * +@verbatim + =============================================================================== + ##### Programming operation functions ##### + =============================================================================== + [..] + This subsection provides a set of functions allowing to manage the FLASH + program operations. + +@endverbatim + * @{ + */ + +/** + * @brief Program a flash word at a specified address + * @param TypeProgram Indicate the way to program at a specified address. + * This parameter can be a value of @ref FLASH_Type_Program + * @param FlashAddress specifies the address to be programmed. + * This parameter shall be aligned to the Flash word: + * - 256 bits for STM32H74x/5X devices (8x 32bits words) + * - 128 bits for STM32H7Ax/BX devices (4x 32bits words) + * - 256 bits for STM32H72x/3X devices (8x 32bits words) + * @param DataAddress specifies the address of data to be programmed. + * This parameter shall be 32-bit aligned + * + * @retval HAL_StatusTypeDef HAL Status + */ +HAL_StatusTypeDef HAL_FLASH_Program(uint32_t TypeProgram, uint32_t FlashAddress, uint32_t DataAddress) +{ + HAL_StatusTypeDef status; + __IO uint32_t *dest_addr = (__IO uint32_t *)FlashAddress; + __IO uint32_t *src_addr = (__IO uint32_t*)DataAddress; + uint32_t bank; + uint8_t row_index = FLASH_NB_32BITWORD_IN_FLASHWORD; + + /* Check the parameters */ + assert_param(IS_FLASH_TYPEPROGRAM(TypeProgram)); + assert_param(IS_FLASH_PROGRAM_ADDRESS(FlashAddress)); + + /* Process Locked */ + __HAL_LOCK(&pFlash); + +#if defined (FLASH_OPTCR_PG_OTP) + if((IS_FLASH_PROGRAM_ADDRESS_BANK1(FlashAddress)) || (IS_FLASH_PROGRAM_ADDRESS_OTP(FlashAddress))) +#else + if(IS_FLASH_PROGRAM_ADDRESS_BANK1(FlashAddress)) +#endif /* FLASH_OPTCR_PG_OTP */ + { + bank = FLASH_BANK_1; + } +#if defined (DUAL_BANK) + else if(IS_FLASH_PROGRAM_ADDRESS_BANK2(FlashAddress)) + { + bank = FLASH_BANK_2; + } +#endif /* DUAL_BANK */ + else + { + return HAL_ERROR; + } + + /* Reset error code */ + pFlash.ErrorCode = HAL_FLASH_ERROR_NONE; + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE, bank); + + if(status == HAL_OK) + { +#if defined (DUAL_BANK) + if(bank == FLASH_BANK_1) + { +#if defined (FLASH_OPTCR_PG_OTP) + if (TypeProgram == FLASH_TYPEPROGRAM_OTPWORD) + { + /* Set OTP_PG bit */ + SET_BIT(FLASH->OPTCR, FLASH_OPTCR_PG_OTP); + } + else +#endif /* FLASH_OPTCR_PG_OTP */ + { + /* Set PG bit */ + SET_BIT(FLASH->CR1, FLASH_CR_PG); + } + } + else + { + /* Set PG bit */ + SET_BIT(FLASH->CR2, FLASH_CR_PG); + } +#else /* Single Bank */ +#if defined (FLASH_OPTCR_PG_OTP) + if (TypeProgram == FLASH_TYPEPROGRAM_OTPWORD) + { + /* Set OTP_PG bit */ + SET_BIT(FLASH->OPTCR, FLASH_OPTCR_PG_OTP); + } + else +#endif /* FLASH_OPTCR_PG_OTP */ + { + /* Set PG bit */ + SET_BIT(FLASH->CR1, FLASH_CR_PG); + } +#endif /* DUAL_BANK */ + + __ISB(); + __DSB(); + +#if defined (FLASH_OPTCR_PG_OTP) + if (TypeProgram == FLASH_TYPEPROGRAM_OTPWORD) + { + /* Program an OTP word (16 bits) */ + *(__IO uint16_t *)FlashAddress = *(__IO uint16_t*)DataAddress; + } + else +#endif /* FLASH_OPTCR_PG_OTP */ + { + /* Program the flash word */ + do + { + *dest_addr = *src_addr; + dest_addr++; + src_addr++; + row_index--; + } while (row_index != 0U); + } + + __ISB(); + __DSB(); + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE, bank); + +#if defined (DUAL_BANK) +#if defined (FLASH_OPTCR_PG_OTP) + if (TypeProgram == FLASH_TYPEPROGRAM_OTPWORD) + { + /* If the program operation is completed, disable the OTP_PG */ + CLEAR_BIT(FLASH->OPTCR, FLASH_OPTCR_PG_OTP); + } + else +#endif /* FLASH_OPTCR_PG_OTP */ + { + if(bank == FLASH_BANK_1) + { + /* If the program operation is completed, disable the PG */ + CLEAR_BIT(FLASH->CR1, FLASH_CR_PG); + } + else + { + /* If the program operation is completed, disable the PG */ + CLEAR_BIT(FLASH->CR2, FLASH_CR_PG); + } + } +#else /* Single Bank */ +#if defined (FLASH_OPTCR_PG_OTP) + if (TypeProgram == FLASH_TYPEPROGRAM_OTPWORD) + { + /* If the program operation is completed, disable the OTP_PG */ + CLEAR_BIT(FLASH->OPTCR, FLASH_OPTCR_PG_OTP); + } + else +#endif /* FLASH_OPTCR_PG_OTP */ + { + /* If the program operation is completed, disable the PG */ + CLEAR_BIT(FLASH->CR1, FLASH_CR_PG); + } +#endif /* DUAL_BANK */ + } + + /* Process Unlocked */ + __HAL_UNLOCK(&pFlash); + + return status; +} + +/** + * @brief Program a flash word at a specified address with interrupt enabled. + * @param TypeProgram Indicate the way to program at a specified address. + * This parameter can be a value of @ref FLASH_Type_Program + * @param FlashAddress specifies the address to be programmed. + * This parameter shall be aligned to the Flash word: + * - 256 bits for STM32H74x/5X devices (8x 32bits words) + * - 128 bits for STM32H7Ax/BX devices (4x 32bits words) + * - 256 bits for STM32H72x/3X devices (8x 32bits words) + * @param DataAddress specifies the address of data to be programmed. + * This parameter shall be 32-bit aligned + * + * @retval HAL Status + */ +HAL_StatusTypeDef HAL_FLASH_Program_IT(uint32_t TypeProgram, uint32_t FlashAddress, uint32_t DataAddress) +{ + HAL_StatusTypeDef status; + __IO uint32_t *dest_addr = (__IO uint32_t*)FlashAddress; + __IO uint32_t *src_addr = (__IO uint32_t*)DataAddress; + uint32_t bank; + uint8_t row_index = FLASH_NB_32BITWORD_IN_FLASHWORD; + + /* Check the parameters */ + assert_param(IS_FLASH_TYPEPROGRAM(TypeProgram)); + assert_param(IS_FLASH_PROGRAM_ADDRESS(FlashAddress)); + + /* Process Locked */ + __HAL_LOCK(&pFlash); + + /* Reset error code */ + pFlash.ErrorCode = HAL_FLASH_ERROR_NONE; + +#if defined (FLASH_OPTCR_PG_OTP) + if((IS_FLASH_PROGRAM_ADDRESS_BANK1(FlashAddress)) || (IS_FLASH_PROGRAM_ADDRESS_OTP(FlashAddress))) +#else + if(IS_FLASH_PROGRAM_ADDRESS_BANK1(FlashAddress)) +#endif /* FLASH_OPTCR_PG_OTP */ + { + bank = FLASH_BANK_1; + } +#if defined (DUAL_BANK) + else if(IS_FLASH_PROGRAM_ADDRESS_BANK2(FlashAddress)) + { + bank = FLASH_BANK_2; + } +#endif /* DUAL_BANK */ + else + { + return HAL_ERROR; + } + + /* Wait for last operation to be completed */ + status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE, bank); + + if (status != HAL_OK) + { + /* Process Unlocked */ + __HAL_UNLOCK(&pFlash); + } + else + { + pFlash.Address = FlashAddress; + +#if defined (DUAL_BANK) + if(bank == FLASH_BANK_1) + { + /* Set internal variables used by the IRQ handler */ + pFlash.ProcedureOnGoing = FLASH_PROC_PROGRAM_BANK1; + +#if defined (FLASH_OPTCR_PG_OTP) + if (TypeProgram == FLASH_TYPEPROGRAM_OTPWORD) + { + /* Set OTP_PG bit */ + SET_BIT(FLASH->OPTCR, FLASH_OPTCR_PG_OTP); + } + else +#endif /* FLASH_OPTCR_PG_OTP */ + { + /* Set PG bit */ + SET_BIT(FLASH->CR1, FLASH_CR_PG); + } + + /* Enable End of Operation and Error interrupts for Bank 1 */ +#if defined (FLASH_CR_OPERRIE) + __HAL_FLASH_ENABLE_IT_BANK1(FLASH_IT_EOP_BANK1 | FLASH_IT_WRPERR_BANK1 | FLASH_IT_PGSERR_BANK1 | \ + FLASH_IT_STRBERR_BANK1 | FLASH_IT_INCERR_BANK1 | FLASH_IT_OPERR_BANK1); +#else + __HAL_FLASH_ENABLE_IT_BANK1(FLASH_IT_EOP_BANK1 | FLASH_IT_WRPERR_BANK1 | FLASH_IT_PGSERR_BANK1 | \ + FLASH_IT_STRBERR_BANK1 | FLASH_IT_INCERR_BANK1); +#endif /* FLASH_CR_OPERRIE */ + } + else + { + /* Set internal variables used by the IRQ handler */ + pFlash.ProcedureOnGoing = FLASH_PROC_PROGRAM_BANK2; + + /* Set PG bit */ + SET_BIT(FLASH->CR2, FLASH_CR_PG); + + /* Enable End of Operation and Error interrupts for Bank2 */ +#if defined (FLASH_CR_OPERRIE) + __HAL_FLASH_ENABLE_IT_BANK2(FLASH_IT_EOP_BANK2 | FLASH_IT_WRPERR_BANK2 | FLASH_IT_PGSERR_BANK2 | \ + FLASH_IT_STRBERR_BANK2 | FLASH_IT_INCERR_BANK2 | FLASH_IT_OPERR_BANK2); +#else + __HAL_FLASH_ENABLE_IT_BANK2(FLASH_IT_EOP_BANK2 | FLASH_IT_WRPERR_BANK2 | FLASH_IT_PGSERR_BANK2 | \ + FLASH_IT_STRBERR_BANK2 | FLASH_IT_INCERR_BANK2); +#endif /* FLASH_CR_OPERRIE */ + } +#else /* Single Bank */ + /* Set internal variables used by the IRQ handler */ + pFlash.ProcedureOnGoing = FLASH_PROC_PROGRAM_BANK1; + +#if defined (FLASH_OPTCR_PG_OTP) + if (TypeProgram == FLASH_TYPEPROGRAM_OTPWORD) + { + /* Set OTP_PG bit */ + SET_BIT(FLASH->OPTCR, FLASH_OPTCR_PG_OTP); + } + else +#endif /* FLASH_OPTCR_PG_OTP */ + { + /* Set PG bit */ + SET_BIT(FLASH->CR1, FLASH_CR_PG); + } + + /* Enable End of Operation and Error interrupts for Bank 1 */ +#if defined (FLASH_CR_OPERRIE) + __HAL_FLASH_ENABLE_IT_BANK1(FLASH_IT_EOP_BANK1 | FLASH_IT_WRPERR_BANK1 | FLASH_IT_PGSERR_BANK1 | \ + FLASH_IT_STRBERR_BANK1 | FLASH_IT_INCERR_BANK1 | FLASH_IT_OPERR_BANK1); +#else + __HAL_FLASH_ENABLE_IT_BANK1(FLASH_IT_EOP_BANK1 | FLASH_IT_WRPERR_BANK1 | FLASH_IT_PGSERR_BANK1 | \ + FLASH_IT_STRBERR_BANK1 | FLASH_IT_INCERR_BANK1); +#endif /* FLASH_CR_OPERRIE */ +#endif /* DUAL_BANK */ + + __ISB(); + __DSB(); + +#if defined (FLASH_OPTCR_PG_OTP) + if (TypeProgram == FLASH_TYPEPROGRAM_OTPWORD) + { + /* Program an OTP word (16 bits) */ + *(__IO uint16_t *)FlashAddress = *(__IO uint16_t*)DataAddress; + } + else +#endif /* FLASH_OPTCR_PG_OTP */ + { + /* Program the flash word */ + do + { + *dest_addr = *src_addr; + dest_addr++; + src_addr++; + row_index--; + } while (row_index != 0U); + } + + __ISB(); + __DSB(); + } + + return status; +} + +/** + * @brief This function handles FLASH interrupt request. + * @retval None + */ +void HAL_FLASH_IRQHandler(void) +{ + uint32_t temp; + uint32_t errorflag; + FLASH_ProcedureTypeDef procedure; + + /* Check FLASH Bank1 End of Operation flag */ + if(__HAL_FLASH_GET_FLAG_BANK1(FLASH_SR_EOP) != RESET) + { + if(pFlash.ProcedureOnGoing == FLASH_PROC_SECTERASE_BANK1) + { + /* Nb of sector to erased can be decreased */ + pFlash.NbSectorsToErase--; + + /* Check if there are still sectors to erase */ + if(pFlash.NbSectorsToErase != 0U) + { + /* Indicate user which sector has been erased */ + HAL_FLASH_EndOfOperationCallback(pFlash.Sector); + + /* Clear bank 1 End of Operation pending bit */ + __HAL_FLASH_CLEAR_FLAG_BANK1(FLASH_FLAG_EOP_BANK1); + + /* Increment sector number */ + pFlash.Sector++; + temp = pFlash.Sector; + FLASH_Erase_Sector(temp, FLASH_BANK_1, pFlash.VoltageForErase); + } + else + { + /* No more sectors to Erase, user callback can be called */ + /* Reset Sector and stop Erase sectors procedure */ + pFlash.Sector = 0xFFFFFFFFU; + pFlash.ProcedureOnGoing = FLASH_PROC_NONE; + + /* FLASH EOP interrupt user callback */ + HAL_FLASH_EndOfOperationCallback(pFlash.Sector); + + /* Clear FLASH End of Operation pending bit */ + __HAL_FLASH_CLEAR_FLAG_BANK1(FLASH_FLAG_EOP_BANK1); + } + } + else + { + procedure = pFlash.ProcedureOnGoing; + + if((procedure == FLASH_PROC_MASSERASE_BANK1) || (procedure == FLASH_PROC_ALLBANK_MASSERASE)) + { + /* MassErase ended. Return the selected bank */ + /* FLASH EOP interrupt user callback */ + HAL_FLASH_EndOfOperationCallback(FLASH_BANK_1); + } + else if(procedure == FLASH_PROC_PROGRAM_BANK1) + { + /* Program ended. Return the selected address */ + /* FLASH EOP interrupt user callback */ + HAL_FLASH_EndOfOperationCallback(pFlash.Address); + } + else + { + /* Nothing to do */ + } + + if((procedure != FLASH_PROC_SECTERASE_BANK2) && \ + (procedure != FLASH_PROC_MASSERASE_BANK2) && \ + (procedure != FLASH_PROC_PROGRAM_BANK2)) + { + pFlash.ProcedureOnGoing = FLASH_PROC_NONE; + /* Clear FLASH End of Operation pending bit */ + __HAL_FLASH_CLEAR_FLAG_BANK1(FLASH_FLAG_EOP_BANK1); + } + } + } + +#if defined (DUAL_BANK) + /* Check FLASH Bank2 End of Operation flag */ + if(__HAL_FLASH_GET_FLAG_BANK2(FLASH_SR_EOP) != RESET) + { + if(pFlash.ProcedureOnGoing == FLASH_PROC_SECTERASE_BANK2) + { + /*Nb of sector to erased can be decreased*/ + pFlash.NbSectorsToErase--; + + /* Check if there are still sectors to erase*/ + if(pFlash.NbSectorsToErase != 0U) + { + /*Indicate user which sector has been erased*/ + HAL_FLASH_EndOfOperationCallback(pFlash.Sector); + + /* Clear bank 2 End of Operation pending bit */ + __HAL_FLASH_CLEAR_FLAG_BANK2(FLASH_FLAG_EOP_BANK2); + + /*Increment sector number*/ + pFlash.Sector++; + temp = pFlash.Sector; + FLASH_Erase_Sector(temp, FLASH_BANK_2, pFlash.VoltageForErase); + } + else + { + /* No more sectors to Erase, user callback can be called */ + /* Reset Sector and stop Erase sectors procedure */ + pFlash.Sector = 0xFFFFFFFFU; + pFlash.ProcedureOnGoing = FLASH_PROC_NONE; + + /* FLASH EOP interrupt user callback */ + HAL_FLASH_EndOfOperationCallback(pFlash.Sector); + + /* Clear FLASH End of Operation pending bit */ + __HAL_FLASH_CLEAR_FLAG_BANK2(FLASH_FLAG_EOP_BANK2); + } + } + else + { + procedure = pFlash.ProcedureOnGoing; + + if((procedure == FLASH_PROC_MASSERASE_BANK2) || (procedure == FLASH_PROC_ALLBANK_MASSERASE)) + { + /*MassErase ended. Return the selected bank*/ + /* FLASH EOP interrupt user callback */ + HAL_FLASH_EndOfOperationCallback(FLASH_BANK_2); + } + else if(procedure == FLASH_PROC_PROGRAM_BANK2) + { + /* Program ended. Return the selected address */ + /* FLASH EOP interrupt user callback */ + HAL_FLASH_EndOfOperationCallback(pFlash.Address); + } + else + { + /* Nothing to do */ + } + + if((procedure != FLASH_PROC_SECTERASE_BANK1) && \ + (procedure != FLASH_PROC_MASSERASE_BANK1) && \ + (procedure != FLASH_PROC_PROGRAM_BANK1)) + { + pFlash.ProcedureOnGoing = FLASH_PROC_NONE; + /* Clear FLASH End of Operation pending bit */ + __HAL_FLASH_CLEAR_FLAG_BANK2(FLASH_FLAG_EOP_BANK2); + } + } + } +#endif /* DUAL_BANK */ + + /* Check FLASH Bank1 operation error flags */ +#if defined (FLASH_SR_OPERR) + errorflag = FLASH->SR1 & (FLASH_FLAG_WRPERR_BANK1 | FLASH_FLAG_PGSERR_BANK1 | FLASH_FLAG_STRBERR_BANK1 | \ + FLASH_FLAG_INCERR_BANK1 | FLASH_FLAG_OPERR_BANK1); +#else + errorflag = FLASH->SR1 & (FLASH_FLAG_WRPERR_BANK1 | FLASH_FLAG_PGSERR_BANK1 | FLASH_FLAG_STRBERR_BANK1 | \ + FLASH_FLAG_INCERR_BANK1); +#endif /* FLASH_SR_OPERR */ + + if(errorflag != 0U) + { + /* Save the error code */ + pFlash.ErrorCode |= errorflag; + + /* Clear error programming flags */ + __HAL_FLASH_CLEAR_FLAG_BANK1(errorflag); + + procedure = pFlash.ProcedureOnGoing; + + if(procedure == FLASH_PROC_SECTERASE_BANK1) + { + /* Return the faulty sector */ + temp = pFlash.Sector; + pFlash.Sector = 0xFFFFFFFFU; + } + else if((procedure == FLASH_PROC_MASSERASE_BANK1) || (procedure == FLASH_PROC_ALLBANK_MASSERASE)) + { + /* Return the faulty bank */ + temp = FLASH_BANK_1; + } + else + { + /* Return the faulty address */ + temp = pFlash.Address; + } + + /* Stop the procedure ongoing*/ + pFlash.ProcedureOnGoing = FLASH_PROC_NONE; + + /* FLASH error interrupt user callback */ + HAL_FLASH_OperationErrorCallback(temp); + } + +#if defined (DUAL_BANK) + /* Check FLASH Bank2 operation error flags */ +#if defined (FLASH_SR_OPERR) + errorflag = FLASH->SR2 & ((FLASH_FLAG_WRPERR_BANK2 | FLASH_FLAG_PGSERR_BANK2 | FLASH_FLAG_STRBERR_BANK2 | \ + FLASH_FLAG_INCERR_BANK2 | FLASH_FLAG_OPERR_BANK2) & 0x7FFFFFFFU); +#else + errorflag = FLASH->SR2 & ((FLASH_FLAG_WRPERR_BANK2 | FLASH_FLAG_PGSERR_BANK2 | FLASH_FLAG_STRBERR_BANK2 | \ + FLASH_FLAG_INCERR_BANK2) & 0x7FFFFFFFU); +#endif /* FLASH_SR_OPERR */ + + if(errorflag != 0U) + { + /* Save the error code */ + pFlash.ErrorCode |= (errorflag | 0x80000000U); + + /* Clear error programming flags */ + __HAL_FLASH_CLEAR_FLAG_BANK2(errorflag); + + procedure = pFlash.ProcedureOnGoing; + + if(procedure== FLASH_PROC_SECTERASE_BANK2) + { + /*return the faulty sector*/ + temp = pFlash.Sector; + pFlash.Sector = 0xFFFFFFFFU; + } + else if((procedure == FLASH_PROC_MASSERASE_BANK2) || (procedure == FLASH_PROC_ALLBANK_MASSERASE)) + { + /*return the faulty bank*/ + temp = FLASH_BANK_2; + } + else + { + /*return the faulty address*/ + temp = pFlash.Address; + } + + /*Stop the procedure ongoing*/ + pFlash.ProcedureOnGoing = FLASH_PROC_NONE; + + /* FLASH error interrupt user callback */ + HAL_FLASH_OperationErrorCallback(temp); + } +#endif /* DUAL_BANK */ + + if(pFlash.ProcedureOnGoing == FLASH_PROC_NONE) + { +#if defined (FLASH_CR_OPERRIE) + /* Disable Bank1 Operation and Error source interrupt */ + __HAL_FLASH_DISABLE_IT_BANK1(FLASH_IT_EOP_BANK1 | FLASH_IT_WRPERR_BANK1 | FLASH_IT_PGSERR_BANK1 | \ + FLASH_IT_STRBERR_BANK1 | FLASH_IT_INCERR_BANK1 | FLASH_IT_OPERR_BANK1); + +#if defined (DUAL_BANK) + /* Disable Bank2 Operation and Error source interrupt */ + __HAL_FLASH_DISABLE_IT_BANK2(FLASH_IT_EOP_BANK2 | FLASH_IT_WRPERR_BANK2 | FLASH_IT_PGSERR_BANK2 | \ + FLASH_IT_STRBERR_BANK2 | FLASH_IT_INCERR_BANK2 | FLASH_IT_OPERR_BANK2); +#endif /* DUAL_BANK */ +#else + /* Disable Bank1 Operation and Error source interrupt */ + __HAL_FLASH_DISABLE_IT_BANK1(FLASH_IT_EOP_BANK1 | FLASH_IT_WRPERR_BANK1 | FLASH_IT_PGSERR_BANK1 | \ + FLASH_IT_STRBERR_BANK1 | FLASH_IT_INCERR_BANK1); + +#if defined (DUAL_BANK) + /* Disable Bank2 Operation and Error source interrupt */ + __HAL_FLASH_DISABLE_IT_BANK2(FLASH_IT_EOP_BANK2 | FLASH_IT_WRPERR_BANK2 | FLASH_IT_PGSERR_BANK2 | \ + FLASH_IT_STRBERR_BANK2 | FLASH_IT_INCERR_BANK2); +#endif /* DUAL_BANK */ +#endif /* FLASH_CR_OPERRIE */ + + /* Process Unlocked */ + __HAL_UNLOCK(&pFlash); + } +} + +/** + * @brief FLASH end of operation interrupt callback + * @param ReturnValue The value saved in this parameter depends on the ongoing procedure + * Mass Erase: Bank number which has been requested to erase + * Sectors Erase: Sector which has been erased + * (if 0xFFFFFFFF, it means that all the selected sectors have been erased) + * Program: Address which was selected for data program + * @retval None + */ +__weak void HAL_FLASH_EndOfOperationCallback(uint32_t ReturnValue) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(ReturnValue); + + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_FLASH_EndOfOperationCallback could be implemented in the user file + */ +} + +/** + * @brief FLASH operation error interrupt callback + * @param ReturnValue The value saved in this parameter depends on the ongoing procedure + * Mass Erase: Bank number which has been requested to erase + * Sectors Erase: Sector number which returned an error + * Program: Address which was selected for data program + * @retval None + */ +__weak void HAL_FLASH_OperationErrorCallback(uint32_t ReturnValue) +{ + /* Prevent unused argument(s) compilation warning */ + UNUSED(ReturnValue); + + /* NOTE : This function Should not be modified, when the callback is needed, + the HAL_FLASH_OperationErrorCallback could be implemented in the user file + */ +} + +/** + * @} + */ + +/** @defgroup FLASH_Exported_Functions_Group2 Peripheral Control functions + * @brief Management functions + * +@verbatim + =============================================================================== + ##### Peripheral Control functions ##### + =============================================================================== + [..] + This subsection provides a set of functions allowing to control the FLASH + memory operations. + +@endverbatim + * @{ + */ + +/** + * @brief Unlock the FLASH control registers access + * @retval HAL Status + */ +HAL_StatusTypeDef HAL_FLASH_Unlock(void) +{ + if(READ_BIT(FLASH->CR1, FLASH_CR_LOCK) != 0U) + { + /* Authorize the FLASH Bank1 Registers access */ + WRITE_REG(FLASH->KEYR1, FLASH_KEY1); + WRITE_REG(FLASH->KEYR1, FLASH_KEY2); + + /* Verify Flash Bank1 is unlocked */ + if (READ_BIT(FLASH->CR1, FLASH_CR_LOCK) != 0U) + { + return HAL_ERROR; + } + } + +#if defined (DUAL_BANK) + if(READ_BIT(FLASH->CR2, FLASH_CR_LOCK) != 0U) + { + /* Authorize the FLASH Bank2 Registers access */ + WRITE_REG(FLASH->KEYR2, FLASH_KEY1); + WRITE_REG(FLASH->KEYR2, FLASH_KEY2); + + /* Verify Flash Bank2 is unlocked */ + if (READ_BIT(FLASH->CR2, FLASH_CR_LOCK) != 0U) + { + return HAL_ERROR; + } + } +#endif /* DUAL_BANK */ + + return HAL_OK; +} + +/** + * @brief Locks the FLASH control registers access + * @retval HAL Status + */ +HAL_StatusTypeDef HAL_FLASH_Lock(void) +{ + /* Set the LOCK Bit to lock the FLASH Bank1 Control Register access */ + SET_BIT(FLASH->CR1, FLASH_CR_LOCK); + + /* Verify Flash Bank1 is locked */ + if (READ_BIT(FLASH->CR1, FLASH_CR_LOCK) == 0U) + { + return HAL_ERROR; + } + +#if defined (DUAL_BANK) + /* Set the LOCK Bit to lock the FLASH Bank2 Control Register access */ + SET_BIT(FLASH->CR2, FLASH_CR_LOCK); + + /* Verify Flash Bank2 is locked */ + if (READ_BIT(FLASH->CR2, FLASH_CR_LOCK) == 0U) + { + return HAL_ERROR; + } +#endif /* DUAL_BANK */ + + return HAL_OK; +} + +/** + * @brief Unlock the FLASH Option Control Registers access. + * @retval HAL Status + */ +HAL_StatusTypeDef HAL_FLASH_OB_Unlock(void) +{ + if(READ_BIT(FLASH->OPTCR, FLASH_OPTCR_OPTLOCK) != 0U) + { + /* Authorizes the Option Byte registers programming */ + WRITE_REG(FLASH->OPTKEYR, FLASH_OPT_KEY1); + WRITE_REG(FLASH->OPTKEYR, FLASH_OPT_KEY2); + + /* Verify that the Option Bytes are unlocked */ + if (READ_BIT(FLASH->OPTCR, FLASH_OPTCR_OPTLOCK) != 0U) + { + return HAL_ERROR; + } + } + + return HAL_OK; +} + +/** + * @brief Lock the FLASH Option Control Registers access. + * @retval HAL Status + */ +HAL_StatusTypeDef HAL_FLASH_OB_Lock(void) +{ + /* Set the OPTLOCK Bit to lock the FLASH Option Byte Registers access */ + SET_BIT(FLASH->OPTCR, FLASH_OPTCR_OPTLOCK); + + /* Verify that the Option Bytes are locked */ + if (READ_BIT(FLASH->OPTCR, FLASH_OPTCR_OPTLOCK) == 0U) + { + return HAL_ERROR; + } + + return HAL_OK; +} + +/** + * @brief Launch the option bytes loading. + * @retval HAL Status + */ +HAL_StatusTypeDef HAL_FLASH_OB_Launch(void) +{ + HAL_StatusTypeDef status; + + /* Wait for CRC computation to be completed */ + if (FLASH_CRC_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE, FLASH_BANK_1) != HAL_OK) + { + status = HAL_ERROR; + } +#if defined (DUAL_BANK) + else if (FLASH_CRC_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE, FLASH_BANK_2) != HAL_OK) + { + status = HAL_ERROR; + } +#endif /* DUAL_BANK */ + else + { + status = HAL_OK; + } + + if (status == HAL_OK) + { + /* Set OPTSTRT Bit */ + SET_BIT(FLASH->OPTCR, FLASH_OPTCR_OPTSTART); + + /* Wait for OB change operation to be completed */ + status = FLASH_OB_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE); + } + + return status; +} + +/** + * @} + */ + +/** @defgroup FLASH_Exported_Functions_Group3 Peripheral State and Errors functions + * @brief Peripheral Errors functions + * +@verbatim + =============================================================================== + ##### Peripheral Errors functions ##### + =============================================================================== + [..] + This subsection permits to get in run-time Errors of the FLASH peripheral. + +@endverbatim + * @{ + */ + +/** + * @brief Get the specific FLASH error flag. + * @retval HAL_FLASH_ERRORCode The returned value can be: + * @arg HAL_FLASH_ERROR_NONE : No error set + * + * @arg HAL_FLASH_ERROR_WRP_BANK1 : Write Protection Error on Bank 1 + * @arg HAL_FLASH_ERROR_PGS_BANK1 : Program Sequence Error on Bank 1 + * @arg HAL_FLASH_ERROR_STRB_BANK1 : Strobe Error on Bank 1 + * @arg HAL_FLASH_ERROR_INC_BANK1 : Inconsistency Error on Bank 1 + * @arg HAL_FLASH_ERROR_OPE_BANK1 : Operation Error on Bank 1 + * @arg HAL_FLASH_ERROR_RDP_BANK1 : Read Protection Error on Bank 1 + * @arg HAL_FLASH_ERROR_RDS_BANK1 : Read Secured Error on Bank 1 + * @arg HAL_FLASH_ERROR_SNECC_BANK1: ECC Single Correction Error on Bank 1 + * @arg HAL_FLASH_ERROR_DBECC_BANK1: ECC Double Detection Error on Bank 1 + * @arg HAL_FLASH_ERROR_CRCRD_BANK1: CRC Read Error on Bank 1 + * + * @arg HAL_FLASH_ERROR_WRP_BANK2 : Write Protection Error on Bank 2 + * @arg HAL_FLASH_ERROR_PGS_BANK2 : Program Sequence Error on Bank 2 + * @arg HAL_FLASH_ERROR_STRB_BANK2 : Strobe Error on Bank 2 + * @arg HAL_FLASH_ERROR_INC_BANK2 : Inconsistency Error on Bank 2 + * @arg HAL_FLASH_ERROR_OPE_BANK2 : Operation Error on Bank 2 + * @arg HAL_FLASH_ERROR_RDP_BANK2 : Read Protection Error on Bank 2 + * @arg HAL_FLASH_ERROR_RDS_BANK2 : Read Secured Error on Bank 2 + * @arg HAL_FLASH_ERROR_SNECC_BANK2: SNECC Error on Bank 2 + * @arg HAL_FLASH_ERROR_DBECC_BANK2: Double Detection ECC on Bank 2 + * @arg HAL_FLASH_ERROR_CRCRD_BANK2: CRC Read Error on Bank 2 +*/ + +uint32_t HAL_FLASH_GetError(void) +{ + return pFlash.ErrorCode; +} + +/** + * @} + */ + +/** + * @} + */ + +/* Private functions ---------------------------------------------------------*/ + +/** @addtogroup FLASH_Private_Functions + * @{ + */ + +/** + * @brief Wait for a FLASH operation to complete. + * @param Timeout maximum flash operation timeout + * @param Bank flash FLASH_BANK_1 or FLASH_BANK_2 + * @retval HAL_StatusTypeDef HAL Status + */ +HAL_StatusTypeDef FLASH_WaitForLastOperation(uint32_t Timeout, uint32_t Bank) +{ + /* Wait for the FLASH operation to complete by polling on QW flag to be reset. + Even if the FLASH operation fails, the QW flag will be reset and an error + flag will be set */ + + uint32_t bsyflag = FLASH_FLAG_QW_BANK1; + uint32_t errorflag = 0; + uint32_t tickstart = HAL_GetTick(); + + assert_param(IS_FLASH_BANK_EXCLUSIVE(Bank)); + +#if defined (DUAL_BANK) + + if (Bank == FLASH_BANK_2) + { + /* Select bsyflag depending on Bank */ + bsyflag = FLASH_FLAG_QW_BANK2; + } +#endif /* DUAL_BANK */ + + while(__HAL_FLASH_GET_FLAG(bsyflag)) + { + if(Timeout != HAL_MAX_DELAY) + { + if(((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0U)) + { + return HAL_TIMEOUT; + } + } + } + + /* Get Error Flags */ + if (Bank == FLASH_BANK_1) + { + errorflag = FLASH->SR1 & FLASH_FLAG_ALL_ERRORS_BANK1; + } +#if defined (DUAL_BANK) + else + { + errorflag = (FLASH->SR2 & FLASH_FLAG_ALL_ERRORS_BANK2) | 0x80000000U; + } +#endif /* DUAL_BANK */ + + /* In case of error reported in Flash SR1 or SR2 register */ + if((errorflag & 0x7FFFFFFFU) != 0U) + { + /*Save the error code*/ + pFlash.ErrorCode |= errorflag; + + /* Clear error programming flags */ + __HAL_FLASH_CLEAR_FLAG(errorflag); + + return HAL_ERROR; + } + + /* Check FLASH End of Operation flag */ + if(Bank == FLASH_BANK_1) + { + if (__HAL_FLASH_GET_FLAG_BANK1(FLASH_FLAG_EOP_BANK1)) + { + /* Clear FLASH End of Operation pending bit */ + __HAL_FLASH_CLEAR_FLAG_BANK1(FLASH_FLAG_EOP_BANK1); + } + } +#if defined (DUAL_BANK) + else + { + if (__HAL_FLASH_GET_FLAG_BANK2(FLASH_FLAG_EOP_BANK2)) + { + /* Clear FLASH End of Operation pending bit */ + __HAL_FLASH_CLEAR_FLAG_BANK2(FLASH_FLAG_EOP_BANK2); + } + } +#endif /* DUAL_BANK */ + + return HAL_OK; +} + +/** + * @brief Wait for a FLASH Option Bytes change operation to complete. + * @param Timeout maximum flash operation timeout + * @retval HAL_StatusTypeDef HAL Status + */ +HAL_StatusTypeDef FLASH_OB_WaitForLastOperation(uint32_t Timeout) +{ + /* Get timeout */ + uint32_t tickstart = HAL_GetTick(); + + /* Wait for the FLASH Option Bytes change operation to complete by polling on OPT_BUSY flag to be reset */ + while(READ_BIT(FLASH->OPTSR_CUR, FLASH_OPTSR_OPT_BUSY) != 0U) + { + if(Timeout != HAL_MAX_DELAY) + { + if(((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0U)) + { + return HAL_TIMEOUT; + } + } + } + + /* Check option byte change error */ + if(READ_BIT(FLASH->OPTSR_CUR, FLASH_OPTSR_OPTCHANGEERR) != 0U) + { + /* Save the error code */ + pFlash.ErrorCode |= HAL_FLASH_ERROR_OB_CHANGE; + + /* Clear the OB error flag */ + FLASH->OPTCCR |= FLASH_OPTCCR_CLR_OPTCHANGEERR; + + return HAL_ERROR; + } + + /* If there is no error flag set */ + return HAL_OK; +} + +/** + * @brief Wait for a FLASH CRC computation to complete. + * @param Timeout maximum flash operation timeout + * @param Bank flash FLASH_BANK_1 or FLASH_BANK_2 + * @retval HAL_StatusTypeDef HAL Status + */ +HAL_StatusTypeDef FLASH_CRC_WaitForLastOperation(uint32_t Timeout, uint32_t Bank) +{ + uint32_t bsyflag; + uint32_t tickstart = HAL_GetTick(); + + assert_param(IS_FLASH_BANK_EXCLUSIVE(Bank)); + + /* Select bsyflag depending on Bank */ + if(Bank == FLASH_BANK_1) + { + bsyflag = FLASH_FLAG_CRC_BUSY_BANK1; + } + else + { + bsyflag = FLASH_FLAG_CRC_BUSY_BANK2; + } + + /* Wait for the FLASH CRC computation to complete by polling on CRC_BUSY flag to be reset */ + while(__HAL_FLASH_GET_FLAG(bsyflag)) + { + if(Timeout != HAL_MAX_DELAY) + { + if(((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0U)) + { + return HAL_TIMEOUT; + } + } + } + + /* Check FLASH CRC read error flag */ + if(Bank == FLASH_BANK_1) + { + if (__HAL_FLASH_GET_FLAG_BANK1(FLASH_FLAG_CRCRDERR_BANK1)) + { + /* Save the error code */ + pFlash.ErrorCode |= HAL_FLASH_ERROR_CRCRD_BANK1; + + /* Clear FLASH CRC read error pending bit */ + __HAL_FLASH_CLEAR_FLAG_BANK1(FLASH_FLAG_CRCRDERR_BANK1); + + return HAL_ERROR; + } + } +#if defined (DUAL_BANK) + else + { + if (__HAL_FLASH_GET_FLAG_BANK2(FLASH_FLAG_CRCRDERR_BANK2)) + { + /* Save the error code */ + pFlash.ErrorCode |= HAL_FLASH_ERROR_CRCRD_BANK2; + + /* Clear FLASH CRC read error pending bit */ + __HAL_FLASH_CLEAR_FLAG_BANK2(FLASH_FLAG_CRCRDERR_BANK2); + + return HAL_ERROR; + } + } +#endif /* DUAL_BANK */ + + /* If there is no error flag set */ + return HAL_OK; +} + +/** + * @} + */ + +#endif /* HAL_FLASH_MODULE_ENABLED */ + +/** + * @} + */ + +/** + * @} + */ + + -- cgit v1.2.3