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102 lines
3.7 KiB
C
102 lines
3.7 KiB
C
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/******************** (C) COPYRIGHT 2010 STMicroelectronics ********************
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* File Name : nor_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 NOR 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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#include "platform_config.h"
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#ifdef USE_STM3210E_EVAL
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/* Includes ------------------------------------------------------------------*/
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#include "fsmc_nor.h"
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#include "nor_if.h"
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#include "dfu_mal.h"
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#include "stm32f10x_fsmc.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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extern NOR_IDTypeDef NOR_ID;
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/* Private function prototypes -----------------------------------------------*/
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/* Private functions ---------------------------------------------------------*/
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/*******************************************************************************
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* Function Name : NOR_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 NOR_If_Init(void)
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{
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/* Configure FSMC Bank1 NOR/SRAM2 */
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FSMC_NOR_Init();
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/* Enable FSMC Bank1 NOR/SRAM2 */
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FSMC_NORSRAMCmd(FSMC_Bank1_NORSRAM2, ENABLE);
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return MAL_OK;
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}
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/*******************************************************************************
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* Function Name : NOR_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 NOR_If_Erase(uint32_t Address)
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{
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/* Erase the destination memory */
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FSMC_NOR_EraseBlock(Address & 0x00FFFFFF);
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return MAL_OK;
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}
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/*******************************************************************************
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* Function Name : NOR_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 NOR_If_Write(uint32_t Address, uint32_t DataLength)
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{
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if ((DataLength & 1) == 1) /* Not an aligned data */
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{
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DataLength += 1;
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MAL_Buffer[DataLength-1] = 0xFF;
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}
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FSMC_NOR_WriteBuffer((uint16_t *)MAL_Buffer, (Address&0x00FFFFFF), DataLength >> 1);
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return MAL_OK;
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}
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/*******************************************************************************
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* Function Name : NOR_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 *NOR_If_Read(uint32_t Address, uint32_t DataLength)
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{
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return (uint8_t*)(Address);
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}
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#endif
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/******************* (C) COPYRIGHT 2010 STMicroelectronics *****END OF FILE****/
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