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https://bitbucket.org/librepilot/librepilot.git
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93 lines
3.6 KiB
C
93 lines
3.6 KiB
C
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/******************** (C) COPYRIGHT 2010 STMicroelectronics ********************
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* File Name : flash_if.c
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* Author : MCD Application Team
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* Version : V3.2.1
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* Date : 07/05/2010
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* Description : specific media access Layer for internal flash
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********************************************************************************
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* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
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* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
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* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
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* CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
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* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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*******************************************************************************/
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/* Includes ------------------------------------------------------------------*/
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#include "flash_if.h"
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#include "dfu_mal.h"
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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/* Private function prototypes -----------------------------------------------*/
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/* Private functions ---------------------------------------------------------*/
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/*******************************************************************************
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* Function Name : FLASH_If_Init
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* Description : Initializes the Media on the STM32
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* Input : None
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* Output : None
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* Return : None
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*******************************************************************************/
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uint16_t FLASH_If_Init(void)
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{
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return MAL_OK;
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}
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/*******************************************************************************
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* Function Name : FLASH_If_Erase
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* Description : Erase sector
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* Input : None
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* Output : None
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* Return : None
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*******************************************************************************/
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uint16_t FLASH_If_Erase(uint32_t SectorAddress)
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{
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FLASH_ErasePage(SectorAddress);
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return MAL_OK;
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}
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/*******************************************************************************
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* Function Name : FLASH_If_Write
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* Description : Write sectors
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* Input : None
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* Output : None
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* Return : None
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*******************************************************************************/
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uint16_t FLASH_If_Write(uint32_t SectorAddress, uint32_t DataLength)
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{
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uint32_t idx = 0;
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if (DataLength & 0x3) /* Not an aligned data */
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{
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for (idx = DataLength; idx < ((DataLength & 0xFFFC) + 4); idx++)
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{
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MAL_Buffer[idx] = 0xFF;
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}
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}
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/* Data received are Word multiple */
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for (idx = 0; idx < DataLength; idx = idx + 4)
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{
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FLASH_ProgramWord(SectorAddress, *(uint32_t *)(MAL_Buffer + idx));
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SectorAddress += 4;
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}
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return MAL_OK;
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}
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/*******************************************************************************
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* Function Name : FLASH_If_Read
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* Description : Read sectors
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* Input : None
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* Output : None
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* Return : buffer address pointer
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*******************************************************************************/
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uint8_t *FLASH_If_Read (uint32_t SectorAddress, uint32_t DataLength)
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{
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return (uint8_t*)(SectorAddress);
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}
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/******************* (C) COPYRIGHT 2010 STMicroelectronics *****END OF FILE****/
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