From a819d3cbddbb5294b98b2fd6590f9fff13491d85 Mon Sep 17 00:00:00 2001 From: Trygve Laugstøl Date: Sat, 27 May 2017 10:55:23 +0200 Subject: o Moving generated code to under bsp/. Renaming to match PCB. --- .../STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash.c | 974 --------------------- 1 file changed, 974 deletions(-) delete mode 100644 stm32cubemx/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash.c (limited to 'stm32cubemx/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash.c') diff --git a/stm32cubemx/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash.c b/stm32cubemx/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash.c deleted file mode 100644 index b59e08c..0000000 --- a/stm32cubemx/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_flash.c +++ /dev/null @@ -1,974 +0,0 @@ -/** - ****************************************************************************** - * @file stm32f1xx_hal_flash.c - * @author MCD Application Team - * @version V1.0.4 - * @date 29-April-2016 - * @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 State functions - * - @verbatim - ============================================================================== - ##### FLASH peripheral features ##### - ============================================================================== - [..] The Flash memory interface manages CPU AHB 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 memory interface accelerates code execution with a system of instruction - prefetch. - - [..] The FLASH main features are: - (+) Flash memory read operations - (+) Flash memory program/erase operations - (+) Read / write protections - (+) Prefetch on I-Code - (+) Option Bytes programming - - - ##### How to use this driver ##### - ============================================================================== - [..] - This driver provides functions and macros to configure and program the FLASH - memory of all STM32F1xx devices. - - (#) FLASH Memory I/O Programming functions: this group includes all needed - functions to erase and program the main memory: - (++) Lock and Unlock the FLASH interface - (++) Erase function: Erase page, erase all pages - (++) Program functions: half word, word and doubleword - - (#) FLASH Option Bytes Programming functions: this group includes all needed - functions to manage the Option Bytes: - (++) Lock and Unlock the Option Bytes - (++) Set/Reset the write protection - (++) Set the Read protection Level - (++) Program the user Option Bytes - (++) Launch the Option Bytes loader - (++) Erase Option Bytes - (++) Program the data Option Bytes - (++) Get the Write protection. - (++) Get the user option bytes. - - (#) Interrupts and flags management functions : this group - includes all needed functions to: - (++) Handle FLASH interrupts - (++) Wait for last FLASH operation according to its status - (++) Get error flag status - - [..] In addition to these function, this driver includes a set of macros allowing - to handle the following operations: - - (+) Set/Get the latency - (+) Enable/Disable the prefetch buffer - (+) Enable/Disable the half cycle access - (+) Enable/Disable the FLASH interrupts - (+) Monitor the FLASH flags status - - @endverbatim - ****************************************************************************** - * @attention - * - *

© COPYRIGHT(c) 2016 STMicroelectronics

- * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************** - */ - -/* Includes ------------------------------------------------------------------*/ -#include "stm32f1xx_hal.h" - -/** @addtogroup STM32F1xx_HAL_Driver - * @{ - */ - -#ifdef HAL_FLASH_MODULE_ENABLED - -/** @defgroup FLASH FLASH - * @brief FLASH HAL module driver - * @{ - */ - -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ -/** @defgroup FLASH_Private_Constants FLASH Private Constants - * @{ - */ -/** - * @} - */ - -/* Private macro ---------------------------- ---------------------------------*/ -/** @defgroup FLASH_Private_Macros FLASH Private Macros - * @{ - */ - -/** - * @} - */ - -/* Private variables ---------------------------------------------------------*/ -/** @defgroup FLASH_Private_Variables FLASH Private Variables - * @{ - */ -/* Variables used for Erase pages under interruption*/ -FLASH_ProcessTypeDef pFlash; -/** - * @} - */ - -/* Private function prototypes -----------------------------------------------*/ -/** @defgroup FLASH_Private_Functions FLASH Private Functions - * @{ - */ -static void FLASH_Program_HalfWord(uint32_t Address, uint16_t Data); -static void FLASH_SetErrorCode(void); -/** - * @} - */ - -/* Exported functions ---------------------------------------------------------*/ -/** @defgroup FLASH_Exported_Functions FLASH Exported Functions - * @{ - */ - -/** @defgroup FLASH_Exported_Functions_Group1 Programming operation functions - * @brief Programming operation functions - * -@verbatim -@endverbatim - * @{ - */ - -/** - * @brief Program halfword, word or double word at a specified address - * @note The function HAL_FLASH_Unlock() should be called before to unlock the FLASH interface - * The function HAL_FLASH_Lock() should be called after to lock the FLASH interface - * - * @note If an erase and a program operations are requested simultaneously, - * the erase operation is performed before the program one. - * - * @note FLASH should be previously erased before new programmation (only exception to this - * is when 0x0000 is programmed) - * - * @param TypeProgram: Indicate the way to program at a specified address. - * This parameter can be a value of @ref FLASH_Type_Program - * @param Address: Specifies the address to be programmed. - * @param Data: Specifies the data to be programmed - * - * @retval HAL_StatusTypeDef HAL Status - */ -HAL_StatusTypeDef HAL_FLASH_Program(uint32_t TypeProgram, uint32_t Address, uint64_t Data) -{ - HAL_StatusTypeDef status = HAL_ERROR; - uint8_t index = 0; - uint8_t nbiterations = 0; - - /* Process Locked */ - __HAL_LOCK(&pFlash); - - /* Check the parameters */ - assert_param(IS_FLASH_TYPEPROGRAM(TypeProgram)); - assert_param(IS_FLASH_PROGRAM_ADDRESS(Address)); - -#if defined(FLASH_BANK2_END) - if(Address <= FLASH_BANK1_END) - { -#endif /* FLASH_BANK2_END */ - /* Wait for last operation to be completed */ - status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE); -#if defined(FLASH_BANK2_END) - } - else - { - /* Wait for last operation to be completed */ - status = FLASH_WaitForLastOperationBank2((uint32_t)FLASH_TIMEOUT_VALUE); - } -#endif /* FLASH_BANK2_END */ - - if(status == HAL_OK) - { - if(TypeProgram == FLASH_TYPEPROGRAM_HALFWORD) - { - /* Program halfword (16-bit) at a specified address. */ - nbiterations = 1; - } - else if(TypeProgram == FLASH_TYPEPROGRAM_WORD) - { - /* Program word (32-bit = 2*16-bit) at a specified address. */ - nbiterations = 2; - } - else - { - /* Program double word (64-bit = 4*16-bit) at a specified address. */ - nbiterations = 4; - } - - for (index = 0; index < nbiterations; index++) - { - FLASH_Program_HalfWord((Address + (2*index)), (uint16_t)(Data >> (16*index))); - -#if defined(FLASH_BANK2_END) - if(Address <= FLASH_BANK1_END) - { -#endif /* FLASH_BANK2_END */ - /* Wait for last operation to be completed */ - status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE); - - /* If the program operation is completed, disable the PG Bit */ - CLEAR_BIT(FLASH->CR, FLASH_CR_PG); -#if defined(FLASH_BANK2_END) - } - else - { - /* Wait for last operation to be completed */ - status = FLASH_WaitForLastOperationBank2((uint32_t)FLASH_TIMEOUT_VALUE); - - /* If the program operation is completed, disable the PG Bit */ - CLEAR_BIT(FLASH->CR2, FLASH_CR2_PG); - } -#endif /* FLASH_BANK2_END */ - /* In case of error, stop programation procedure */ - if (status != HAL_OK) - { - break; - } - } - } - - /* Process Unlocked */ - __HAL_UNLOCK(&pFlash); - - return status; -} - -/** - * @brief Program halfword, word or double word at a specified address with interrupt enabled. - * @note The function HAL_FLASH_Unlock() should be called before to unlock the FLASH interface - * The function HAL_FLASH_Lock() should be called after to lock the FLASH interface - * - * @note If an erase and a program operations are requested simultaneously, - * the erase operation is performed before the program one. - * - * @param TypeProgram: Indicate the way to program at a specified address. - * This parameter can be a value of @ref FLASH_Type_Program - * @param Address: Specifies the address to be programmed. - * @param Data: Specifies the data to be programmed - * - * @retval HAL_StatusTypeDef HAL Status - */ -HAL_StatusTypeDef HAL_FLASH_Program_IT(uint32_t TypeProgram, uint32_t Address, uint64_t Data) -{ - HAL_StatusTypeDef status = HAL_OK; - - /* Process Locked */ - __HAL_LOCK(&pFlash); - - /* Check the parameters */ - assert_param(IS_FLASH_TYPEPROGRAM(TypeProgram)); - assert_param(IS_FLASH_PROGRAM_ADDRESS(Address)); - -#if defined(FLASH_BANK2_END) - /* If procedure already ongoing, reject the next one */ - if (pFlash.ProcedureOnGoing != FLASH_PROC_NONE) - { - return HAL_ERROR; - } - - if(Address <= FLASH_BANK1_END) - { - /* Enable End of FLASH Operation and Error source interrupts */ - __HAL_FLASH_ENABLE_IT(FLASH_IT_EOP_BANK1 | FLASH_IT_ERR_BANK1); - - }else - { - /* Enable End of FLASH Operation and Error source interrupts */ - __HAL_FLASH_ENABLE_IT(FLASH_IT_EOP_BANK2 | FLASH_IT_ERR_BANK2); - } -#else - /* Enable End of FLASH Operation and Error source interrupts */ - __HAL_FLASH_ENABLE_IT(FLASH_IT_EOP | FLASH_IT_ERR); -#endif /* FLASH_BANK2_END */ - - pFlash.Address = Address; - pFlash.Data = Data; - - if(TypeProgram == FLASH_TYPEPROGRAM_HALFWORD) - { - pFlash.ProcedureOnGoing = FLASH_PROC_PROGRAMHALFWORD; - /*Program halfword (16-bit) at a specified address.*/ - pFlash.DataRemaining = 1; - } - else if(TypeProgram == FLASH_TYPEPROGRAM_WORD) - { - pFlash.ProcedureOnGoing = FLASH_PROC_PROGRAMWORD; - /*Program word (32-bit : 2*16-bit) at a specified address.*/ - pFlash.DataRemaining = 2; - } - else - { - pFlash.ProcedureOnGoing = FLASH_PROC_PROGRAMDOUBLEWORD; - /*Program double word (64-bit : 4*16-bit) at a specified address.*/ - pFlash.DataRemaining = 4; - } - - /*Program halfword (16-bit) at a specified address.*/ - FLASH_Program_HalfWord(Address, (uint16_t)Data); - - return status; -} - -/** - * @brief This function handles FLASH interrupt request. - * @retval None - */ -void HAL_FLASH_IRQHandler(void) -{ - uint32_t addresstmp = 0; - - /* Check FLASH operation error flags */ -#if defined(FLASH_BANK2_END) - if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR_BANK1) || __HAL_FLASH_GET_FLAG(FLASH_FLAG_PGERR_BANK1) || \ - (__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR_BANK2) || __HAL_FLASH_GET_FLAG(FLASH_FLAG_PGERR_BANK2))) -#else - if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR) ||__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGERR)) -#endif /* FLASH_BANK2_END */ - { - /*return the faulty address*/ - addresstmp = pFlash.Address; - /* Reset address */ - pFlash.Address = 0xFFFFFFFF; - - /*Save the Error code*/ - FLASH_SetErrorCode(); - - /* FLASH error interrupt user callback */ - HAL_FLASH_OperationErrorCallback(addresstmp); - - /* Stop the procedure ongoing*/ - pFlash.ProcedureOnGoing = FLASH_PROC_NONE; - } - - /* Check FLASH End of Operation flag */ -#if defined(FLASH_BANK2_END) - if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_EOP_BANK1)) - { - /* Clear FLASH End of Operation pending bit */ - __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP_BANK1); -#else - if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_EOP)) - { - /* Clear FLASH End of Operation pending bit */ - __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP); -#endif /* FLASH_BANK2_END */ - - /* Process can continue only if no error detected */ - if(pFlash.ProcedureOnGoing != FLASH_PROC_NONE) - { - if(pFlash.ProcedureOnGoing == FLASH_PROC_PAGEERASE) - { - /* Nb of pages to erased can be decreased */ - pFlash.DataRemaining--; - - /* Check if there are still pages to erase*/ - if(pFlash.DataRemaining != 0) - { - addresstmp = pFlash.Address; - /*Indicate user which sector has been erased*/ - HAL_FLASH_EndOfOperationCallback(addresstmp); - - /*Increment sector number*/ - addresstmp = pFlash.Address + FLASH_PAGE_SIZE; - pFlash.Address = addresstmp; - - /* If the erase operation is completed, disable the PER Bit */ - CLEAR_BIT(FLASH->CR, FLASH_CR_PER); - - FLASH_PageErase(addresstmp); - } - else - { - /*No more pages to Erase, user callback can be called.*/ - /*Reset Sector and stop Erase pages procedure*/ - pFlash.Address = addresstmp = 0xFFFFFFFF; - pFlash.ProcedureOnGoing = FLASH_PROC_NONE; - /* FLASH EOP interrupt user callback */ - HAL_FLASH_EndOfOperationCallback(addresstmp); - } - } - else if(pFlash.ProcedureOnGoing == FLASH_PROC_MASSERASE) - { - /* Operation is completed, disable the MER Bit */ - CLEAR_BIT(FLASH->CR, FLASH_CR_MER); - -#if defined(FLASH_BANK2_END) - /* Stop Mass Erase procedure if no pending mass erase on other bank */ - if (HAL_IS_BIT_CLR(FLASH->CR2, FLASH_CR2_MER)) - { -#endif /* FLASH_BANK2_END */ - /* MassErase ended. Return the selected bank*/ - /* FLASH EOP interrupt user callback */ - HAL_FLASH_EndOfOperationCallback(0); - - /* Stop Mass Erase procedure*/ - pFlash.ProcedureOnGoing = FLASH_PROC_NONE; - } -#if defined(FLASH_BANK2_END) - } -#endif /* FLASH_BANK2_END */ - else - { - /* Nb of 16-bit data to program can be decreased */ - pFlash.DataRemaining--; - - /* Check if there are still 16-bit data to program */ - if(pFlash.DataRemaining != 0) - { - /* Increment address to 16-bit */ - pFlash.Address += 2; - addresstmp = pFlash.Address; - - /* Shift to have next 16-bit data */ - pFlash.Data = (pFlash.Data >> 16); - - /* Operation is completed, disable the PG Bit */ - CLEAR_BIT(FLASH->CR, FLASH_CR_PG); - - /*Program halfword (16-bit) at a specified address.*/ - FLASH_Program_HalfWord(addresstmp, (uint16_t)pFlash.Data); - } - else - { - /*Program ended. Return the selected address*/ - /* FLASH EOP interrupt user callback */ - if (pFlash.ProcedureOnGoing == FLASH_PROC_PROGRAMHALFWORD) - { - HAL_FLASH_EndOfOperationCallback(pFlash.Address); - } - else if (pFlash.ProcedureOnGoing == FLASH_PROC_PROGRAMWORD) - { - HAL_FLASH_EndOfOperationCallback(pFlash.Address - 2); - } - else - { - HAL_FLASH_EndOfOperationCallback(pFlash.Address - 6); - } - - /* Reset Address and stop Program procedure*/ - pFlash.Address = 0xFFFFFFFF; - pFlash.ProcedureOnGoing = FLASH_PROC_NONE; - } - } - } - } - -#if defined(FLASH_BANK2_END) - /* Check FLASH End of Operation flag */ - if(__HAL_FLASH_GET_FLAG( FLASH_FLAG_EOP_BANK2)) - { - /* Clear FLASH End of Operation pending bit */ - __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP_BANK2); - - /* Process can continue only if no error detected */ - if(pFlash.ProcedureOnGoing != FLASH_PROC_NONE) - { - if(pFlash.ProcedureOnGoing == FLASH_PROC_PAGEERASE) - { - /* Nb of pages to erased can be decreased */ - pFlash.DataRemaining--; - - /* Check if there are still pages to erase*/ - if(pFlash.DataRemaining != 0) - { - /* Indicate user which page address has been erased*/ - HAL_FLASH_EndOfOperationCallback(pFlash.Address); - - /* Increment page address to next page */ - pFlash.Address += FLASH_PAGE_SIZE; - addresstmp = pFlash.Address; - - /* Operation is completed, disable the PER Bit */ - CLEAR_BIT(FLASH->CR2, FLASH_CR2_PER); - - FLASH_PageErase(addresstmp); - } - else - { - /*No more pages to Erase*/ - - /*Reset Address and stop Erase pages procedure*/ - pFlash.Address = 0xFFFFFFFF; - pFlash.ProcedureOnGoing = FLASH_PROC_NONE; - - /* FLASH EOP interrupt user callback */ - HAL_FLASH_EndOfOperationCallback(pFlash.Address); - } - } - else if(pFlash.ProcedureOnGoing == FLASH_PROC_MASSERASE) - { - /* Operation is completed, disable the MER Bit */ - CLEAR_BIT(FLASH->CR2, FLASH_CR2_MER); - - if (HAL_IS_BIT_CLR(FLASH->CR, FLASH_CR_MER)) - { - /* MassErase ended. Return the selected bank*/ - /* FLASH EOP interrupt user callback */ - HAL_FLASH_EndOfOperationCallback(0); - - pFlash.ProcedureOnGoing = FLASH_PROC_NONE; - } - } - else - { - /* Nb of 16-bit data to program can be decreased */ - pFlash.DataRemaining--; - - /* Check if there are still 16-bit data to program */ - if(pFlash.DataRemaining != 0) - { - /* Increment address to 16-bit */ - pFlash.Address += 2; - addresstmp = pFlash.Address; - - /* Shift to have next 16-bit data */ - pFlash.Data = (pFlash.Data >> 16); - - /* Operation is completed, disable the PG Bit */ - CLEAR_BIT(FLASH->CR2, FLASH_CR2_PG); - - /*Program halfword (16-bit) at a specified address.*/ - FLASH_Program_HalfWord(addresstmp, (uint16_t)pFlash.Data); - } - else - { - /*Program ended. Return the selected address*/ - /* FLASH EOP interrupt user callback */ - if (pFlash.ProcedureOnGoing == FLASH_PROC_PROGRAMHALFWORD) - { - HAL_FLASH_EndOfOperationCallback(pFlash.Address); - } - else if (pFlash.ProcedureOnGoing == FLASH_PROC_PROGRAMWORD) - { - HAL_FLASH_EndOfOperationCallback(pFlash.Address-2); - } - else - { - HAL_FLASH_EndOfOperationCallback(pFlash.Address-6); - } - - /* Reset Address and stop Program procedure*/ - pFlash.Address = 0xFFFFFFFF; - pFlash.ProcedureOnGoing = FLASH_PROC_NONE; - } - } - } - } -#endif - - if(pFlash.ProcedureOnGoing == FLASH_PROC_NONE) - { -#if defined(FLASH_BANK2_END) - /* Operation is completed, disable the PG, PER and MER Bits for both bank */ - CLEAR_BIT(FLASH->CR, (FLASH_CR_PG | FLASH_CR_PER | FLASH_CR_MER)); - CLEAR_BIT(FLASH->CR2, (FLASH_CR2_PG | FLASH_CR2_PER | FLASH_CR2_MER)); - - /* Disable End of FLASH Operation and Error source interrupts for both banks */ - __HAL_FLASH_DISABLE_IT(FLASH_IT_EOP_BANK1 | FLASH_IT_ERR_BANK1 | FLASH_IT_EOP_BANK2 | FLASH_IT_ERR_BANK2); -#else - /* Operation is completed, disable the PG, PER and MER Bits */ - CLEAR_BIT(FLASH->CR, (FLASH_CR_PG | FLASH_CR_PER | FLASH_CR_MER)); - - /* Disable End of FLASH Operation and Error source interrupts */ - __HAL_FLASH_DISABLE_IT(FLASH_IT_EOP | FLASH_IT_ERR); -#endif /* FLASH_BANK2_END */ - - /* 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: No return value expected - * - Pages Erase: Address of the page which has been erased - * (if 0xFFFFFFFF, it means that all the selected pages 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: No return value expected - * - Pages Erase: Address of the page 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 register access - * @retval HAL Status - */ -HAL_StatusTypeDef HAL_FLASH_Unlock(void) -{ - if (HAL_IS_BIT_SET(FLASH->CR, FLASH_CR_LOCK)) - { - /* Authorize the FLASH Registers access */ - WRITE_REG(FLASH->KEYR, FLASH_KEY1); - WRITE_REG(FLASH->KEYR, FLASH_KEY2); - } - else - { - return HAL_ERROR; - } - -#if defined(FLASH_BANK2_END) - if (HAL_IS_BIT_SET(FLASH->CR2, FLASH_CR2_LOCK)) - { - /* Authorize the FLASH BANK2 Registers access */ - WRITE_REG(FLASH->KEYR2, FLASH_KEY1); - WRITE_REG(FLASH->KEYR2, FLASH_KEY2); - } - else - { - return HAL_ERROR; - } - -#endif /* FLASH_BANK2_END */ - return HAL_OK; -} - -/** - * @brief Locks the FLASH control register access - * @retval HAL Status - */ -HAL_StatusTypeDef HAL_FLASH_Lock(void) -{ - /* Set the LOCK Bit to lock the FLASH Registers access */ - SET_BIT(FLASH->CR, FLASH_CR_LOCK); - -#if defined(FLASH_BANK2_END) - /* Set the LOCK Bit to lock the FLASH BANK2 Registers access */ - SET_BIT(FLASH->CR2, FLASH_CR2_LOCK); -#endif /* FLASH_BANK2_END */ - - return HAL_OK; -} - - -/** - * @brief Unlock the FLASH Option Control Registers access. - * @retval HAL Status - */ -HAL_StatusTypeDef HAL_FLASH_OB_Unlock(void) -{ - if (HAL_IS_BIT_CLR(FLASH->CR, FLASH_CR_OPTWRE)) - { - /* Authorizes the Option Byte register programming */ - WRITE_REG(FLASH->OPTKEYR, FLASH_OPTKEY1); - WRITE_REG(FLASH->OPTKEYR, FLASH_OPTKEY2); - } - else - { - return HAL_ERROR; - } - - return HAL_OK; -} - -/** - * @brief Lock the FLASH Option Control Registers access. - * @retval HAL Status - */ -HAL_StatusTypeDef HAL_FLASH_OB_Lock(void) -{ - /* Clear the OPTWRE Bit to lock the FLASH Option Byte Registers access */ - CLEAR_BIT(FLASH->CR, FLASH_CR_OPTWRE); - - return HAL_OK; -} - -/** - * @brief Launch the option byte loading. - * @note This function will reset automatically the MCU. - * @retval HAL_StatusTypeDef HAL Status - */ -HAL_StatusTypeDef HAL_FLASH_OB_Launch(void) -{ - /* Initiates a system reset request to launch the option byte loading */ - HAL_NVIC_SystemReset(); - - return HAL_OK; -} - -/** - * @} - */ - -/** @defgroup FLASH_Exported_Functions_Group3 Peripheral State functions - * @brief Peripheral State functions - * -@verbatim - =============================================================================== - ##### Peripheral State functions ##### - =============================================================================== - [..] - This subsection permit to get in run-time the status of the FLASH peripheral. - -@endverbatim - * @{ - */ - -/** - * @brief Get the specific FLASH error flag. - * @retval FLASH_ErrorCode: The returned value can be: - * @ref FLASH_Error_Codes - */ -uint32_t HAL_FLASH_GetError(void) -{ - return pFlash.ErrorCode; -} -/** - * @} - */ - -/** - * @} - */ - -/** @addtogroup FLASH_Private_Functions - * @{ - */ - -/** - * @brief Program a half-word (16-bit) at a specified address. - * @param Address: specifies the address to be programmed. - * @param Data: specifies the data to be programmed. - * @retval None - */ -static void FLASH_Program_HalfWord(uint32_t Address, uint16_t Data) -{ - /* Clean the error context */ - pFlash.ErrorCode = HAL_FLASH_ERROR_NONE; - -#if defined(FLASH_BANK2_END) - if(Address <= FLASH_BANK1_END) - { -#endif /* FLASH_BANK2_END */ - /* Proceed to program the new data */ - SET_BIT(FLASH->CR, FLASH_CR_PG); -#if defined(FLASH_BANK2_END) - } - else - { - /* Proceed to program the new data */ - SET_BIT(FLASH->CR2, FLASH_CR2_PG); - } -#endif /* FLASH_BANK2_END */ - - /* Write data in the address */ - *(__IO uint16_t*)Address = Data; -} - -/** - * @brief Wait for a FLASH operation to complete. - * @param Timeout: maximum flash operation timeout - * @retval HAL_StatusTypeDef HAL Status - */ -HAL_StatusTypeDef FLASH_WaitForLastOperation(uint32_t Timeout) -{ - /* Wait for the FLASH operation to complete by polling on BUSY flag to be reset. - Even if the FLASH operation fails, the BUSY flag will be reset and an error - flag will be set */ - - uint32_t tickstart = HAL_GetTick(); - - while(__HAL_FLASH_GET_FLAG(FLASH_FLAG_BSY)) - { - if (Timeout != HAL_MAX_DELAY) - { - if((Timeout == 0) || ((HAL_GetTick()-tickstart) > Timeout)) - { - return HAL_TIMEOUT; - } - } - } - - /* Check FLASH End of Operation flag */ - if (__HAL_FLASH_GET_FLAG(FLASH_FLAG_EOP)) - { - /* Clear FLASH End of Operation pending bit */ - __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP); - } - - if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR) || - __HAL_FLASH_GET_FLAG(FLASH_FLAG_OPTVERR) || - __HAL_FLASH_GET_FLAG(FLASH_FLAG_PGERR)) - { - /*Save the error code*/ - FLASH_SetErrorCode(); - return HAL_ERROR; - } - - /* If there is no error flag set */ - return HAL_OK; -} - -#if defined(FLASH_BANK2_END) -/** - * @brief Wait for a FLASH BANK2 operation to complete. - * @param Timeout: maximum flash operation timeout - * @retval HAL_StatusTypeDef HAL Status - */ -HAL_StatusTypeDef FLASH_WaitForLastOperationBank2(uint32_t Timeout) -{ - /* Wait for the FLASH BANK2 operation to complete by polling on BUSY flag to be reset. - Even if the FLASH BANK2 operation fails, the BUSY flag will be reset and an error - flag will be set */ - - uint32_t tickstart = HAL_GetTick(); - - while(__HAL_FLASH_GET_FLAG(FLASH_FLAG_BSY_BANK2)) - { - if (Timeout != HAL_MAX_DELAY) - { - if((Timeout == 0) || ((HAL_GetTick()-tickstart) > Timeout)) - { - return HAL_TIMEOUT; - } - } - } - - /* Check FLASH End of Operation flag */ - if (__HAL_FLASH_GET_FLAG(FLASH_FLAG_EOP_BANK2)) - { - /* Clear FLASH End of Operation pending bit */ - __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP_BANK2); - } - - if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR_BANK2) || __HAL_FLASH_GET_FLAG(FLASH_FLAG_PGERR_BANK2)) - { - /*Save the error code*/ - FLASH_SetErrorCode(); - return HAL_ERROR; - } - - /* If there is an error flag set */ - return HAL_OK; - -} -#endif /* FLASH_BANK2_END */ - -/** - * @brief Set the specific FLASH error flag. - * @retval None - */ -static void FLASH_SetErrorCode(void) -{ -#if defined(FLASH_BANK2_END) - if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR) || __HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR_BANK2)) -#else - if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR)) -#endif /* FLASH_BANK2_END */ - { - pFlash.ErrorCode |= HAL_FLASH_ERROR_WRP; - } -#if defined(FLASH_BANK2_END) - if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGERR) || __HAL_FLASH_GET_FLAG(FLASH_FLAG_PGERR_BANK2)) -#else - if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGERR)) -#endif /* FLASH_BANK2_END */ - { - pFlash.ErrorCode |= HAL_FLASH_ERROR_PROG; - } - - if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_OPTVERR)) - { - pFlash.ErrorCode |= HAL_FLASH_ERROR_OPTV; - __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_OPTVERR); - } - - /* Clear FLASH error pending bits */ -#if defined(FLASH_BANK2_END) - __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_WRPERR | FLASH_FLAG_WRPERR_BANK2 | FLASH_FLAG_PGERR | FLASH_FLAG_PGERR_BANK2); -#else - __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_WRPERR | FLASH_FLAG_PGERR); -#endif /* FLASH_BANK2_END */ -} -/** - * @} - */ - -/** - * @} - */ - -#endif /* HAL_FLASH_MODULE_ENABLED */ - -/** - * @} - */ - -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ -- cgit v1.2.3