diff options
Diffstat (limited to 'fw/midi-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_flash.c')
| -rw-r--r-- | fw/midi-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_flash.c | 694 |
1 files changed, 694 insertions, 0 deletions
diff --git a/fw/midi-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_flash.c b/fw/midi-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_flash.c new file mode 100644 index 0000000..94ad6e9 --- /dev/null +++ b/fw/midi-dials/Drivers/STM32F0xx_HAL_Driver/Src/stm32f0xx_hal_flash.c @@ -0,0 +1,694 @@ +/**
+ ******************************************************************************
+ * @file stm32f0xx_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 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 STM32F0xx 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 FLASH interrupts
+ (+) Monitor the FLASH flags status
+
+ @endverbatim
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© Copyright (c) 2016 STMicroelectronics.
+ * All rights reserved.</center></h2>
+ *
+ * This software component is licensed by ST under BSD 3-Clause license,
+ * the "License"; You may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ * opensource.org/licenses/BSD-3-Clause
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f0xx_hal.h"
+
+/** @addtogroup STM32F0xx_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);
+extern void FLASH_PageErase(uint32_t PageAddress);
+/**
+ * @}
+ */
+
+/* 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 programming (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 Specifie the address to be programmed.
+ * @param Data Specifie 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 = 0U;
+ uint8_t nbiterations = 0U;
+
+ /* Process Locked */
+ __HAL_LOCK(&pFlash);
+
+ /* Check the parameters */
+ assert_param(IS_FLASH_TYPEPROGRAM(TypeProgram));
+ assert_param(IS_FLASH_PROGRAM_ADDRESS(Address));
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_TIMEOUT_VALUE);
+
+ if(status == HAL_OK)
+ {
+ if(TypeProgram == FLASH_TYPEPROGRAM_HALFWORD)
+ {
+ /* Program halfword (16-bit) at a specified address. */
+ nbiterations = 1U;
+ }
+ else if(TypeProgram == FLASH_TYPEPROGRAM_WORD)
+ {
+ /* Program word (32-bit = 2*16-bit) at a specified address. */
+ nbiterations = 2U;
+ }
+ else
+ {
+ /* Program double word (64-bit = 4*16-bit) at a specified address. */
+ nbiterations = 4U;
+ }
+
+ for (index = 0U; index < nbiterations; index++)
+ {
+ FLASH_Program_HalfWord((Address + (2U*index)), (uint16_t)(Data >> (16U*index)));
+
+ /* Wait for last operation to be completed */
+ status = FLASH_WaitForLastOperation(FLASH_TIMEOUT_VALUE);
+
+ /* If the program operation is completed, disable the PG Bit */
+ CLEAR_BIT(FLASH->CR, FLASH_CR_PG);
+ /* In case of error, stop programming 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 Specifie the address to be programmed.
+ * @param Data Specifie 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));
+
+ /* Enable End of FLASH Operation and Error source interrupts */
+ __HAL_FLASH_ENABLE_IT(FLASH_IT_EOP | FLASH_IT_ERR);
+
+ 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 = 1U;
+ }
+ else if(TypeProgram == FLASH_TYPEPROGRAM_WORD)
+ {
+ pFlash.ProcedureOnGoing = FLASH_PROC_PROGRAMWORD;
+ /* Program word (32-bit : 2*16-bit) at a specified address. */
+ pFlash.DataRemaining = 2U;
+ }
+ else
+ {
+ pFlash.ProcedureOnGoing = FLASH_PROC_PROGRAMDOUBLEWORD;
+ /* Program double word (64-bit : 4*16-bit) at a specified address. */
+ pFlash.DataRemaining = 4U;
+ }
+
+ /* 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 = 0U;
+
+ /* Check FLASH operation error flags */
+ if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR) ||__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGERR))
+ {
+ /* Return the faulty address */
+ addresstmp = pFlash.Address;
+ /* Reset address */
+ pFlash.Address = 0xFFFFFFFFU;
+
+ /* 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(__HAL_FLASH_GET_FLAG(FLASH_FLAG_EOP))
+ {
+ /* Clear FLASH End of Operation pending bit */
+ __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP);
+
+ /* 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 != 0U)
+ {
+ 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 = 0xFFFFFFFFU;
+ 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);
+
+ /* MassErase ended. Return the selected bank */
+ /* FLASH EOP interrupt user callback */
+ HAL_FLASH_EndOfOperationCallback(0);
+
+ /* Stop Mass Erase procedure*/
+ 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 != 0U)
+ {
+ /* Increment address to 16-bit */
+ pFlash.Address += 2;
+ addresstmp = pFlash.Address;
+
+ /* Shift to have next 16-bit data */
+ pFlash.Data = (pFlash.Data >> 16U);
+
+ /* 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 - 2U);
+ }
+ else
+ {
+ HAL_FLASH_EndOfOperationCallback(pFlash.Address - 6U);
+ }
+
+ /* Reset Address and stop Program procedure */
+ pFlash.Address = 0xFFFFFFFFU;
+ pFlash.ProcedureOnGoing = FLASH_PROC_NONE;
+ }
+ }
+ }
+ }
+
+
+ if(pFlash.ProcedureOnGoing == FLASH_PROC_NONE)
+ {
+ /* 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);
+
+ /* 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)
+{
+ HAL_StatusTypeDef status = HAL_OK;
+
+ if(READ_BIT(FLASH->CR, FLASH_CR_LOCK) != RESET)
+ {
+ /* Authorize the FLASH Registers access */
+ WRITE_REG(FLASH->KEYR, FLASH_KEY1);
+ WRITE_REG(FLASH->KEYR, FLASH_KEY2);
+
+ /* Verify Flash is unlocked */
+ if(READ_BIT(FLASH->CR, FLASH_CR_LOCK) != RESET)
+ {
+ status = HAL_ERROR;
+ }
+ }
+
+ return status;
+}
+
+/**
+ * @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);
+
+ 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 Status
+ */
+HAL_StatusTypeDef HAL_FLASH_OB_Launch(void)
+{
+ /* Set the OBL_Launch bit to launch the option byte loading */
+ SET_BIT(FLASH->CR, FLASH_CR_OBL_LAUNCH);
+
+ /* Wait for last operation to be completed */
+ return(FLASH_WaitForLastOperation(FLASH_TIMEOUT_VALUE));
+}
+
+/**
+ * @}
+ */
+
+/** @defgroup FLASH_Exported_Functions_Group3 Peripheral errors functions
+ * @brief Peripheral errors functions
+ *
+@verbatim
+ ===============================================================================
+ ##### Peripheral Errors functions #####
+ ===============================================================================
+ [..]
+ This subsection permit to get in run-time errors 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 specify the address to be programmed.
+ * @param Data specify 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;
+
+ /* Proceed to program the new data */
+ SET_BIT(FLASH->CR, FLASH_CR_PG);
+
+ /* 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 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 == 0U) || ((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_PGERR))
+ {
+ /*Save the error code*/
+ FLASH_SetErrorCode();
+ return HAL_ERROR;
+ }
+
+ /* There is no error flag set */
+ return HAL_OK;
+}
+
+
+/**
+ * @brief Set the specific FLASH error flag.
+ * @retval None
+ */
+static void FLASH_SetErrorCode(void)
+{
+ uint32_t flags = 0U;
+
+ if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR))
+ {
+ pFlash.ErrorCode |= HAL_FLASH_ERROR_WRP;
+ flags |= FLASH_FLAG_WRPERR;
+ }
+ if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGERR))
+ {
+ pFlash.ErrorCode |= HAL_FLASH_ERROR_PROG;
+ flags |= FLASH_FLAG_PGERR;
+ }
+ /* Clear FLASH error pending bits */
+ __HAL_FLASH_CLEAR_FLAG(flags);
+}
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#endif /* HAL_FLASH_MODULE_ENABLED */
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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