初始版本

2026-05-14 18:22:49 +08:00
parent 788329d50e
commit d04067afda
92 changed files with 30817 additions and 0 deletions
@@ -0,0 +1,204 @@
+#include "bsp.h"
+#include "sd_diskio.h"
+
+
+#define SDIOC_SD_UINT										SDIOC_UNIT
+#define SDIOC_SD_CLK 										(PWC_FCG1_SDIOC1)
+/* Local pre-processor symbols/macros ('#define') */
+
+
+/* Block size is 512 bytes */
+#define SD_DEFAULT_BLOCK_SIZE (512U)
+/* SD read/write timeout time */
+#define SD_RW_TIMEOUT_TIME (30000UL)
+/* Local variable definitions ('static') */
+
+static volatile DSTATUS SdStat = (DSTATUS)STA_NOINIT;
+
+/**
+* @brief Get SD card insert status.
+* @param None
+* @retval An en_flag_status_t enumeration value:
+* - Set: SD card inserted
+* - Reset: No SD card insert
+*/
+//static en_flag_status_t SDCard_GetInsertStatus(void)
+//{ 
+//// en_flag_status_t enFlagSta = Set;
+//// /* Check SD card detect pin */
+//// if (0U != BSP_IO_ReadPortPin(EIO_PORT0, EIO_SDIC1_CD)) 
+//// { 
+//// enFlagSta = Reset;
+//// } 
+//// return enFlagSta;
+//	return Set;
+//} 
+
+/**
+* @brief SD card configuration.
+* @param None
+* @retval An en_result_t enumeration value:
+* - Ok: Configuration success
+* - Error: Configuration failed 
+*/
+static en_result_t SDCard_Config(void)
+{ 
+	return SdioInit();
+}
+
+/**
+* @brief Get SD card state.
+* @param None
+* @retval An en_result_t enumeration value:
+* - Ok: Data transfer is acting
+* - Error: No data transfer is acting
+*/
+static en_result_t SDCard_GetCardTransState(void)
+{ 
+	en_result_t enRet;
+	en_sd_card_state_t enCardState;
+	
+	enRet = SD_GetCardState(&stcSdhandle, &enCardState);
+	
+	if (Ok == enRet) { 
+		if (SD_CARD_STAT_TRANS == enCardState) { 
+			enRet = Ok;
+		} 
+	} 
+	
+	return enRet;
+} 
+
+/**
+* @brief Check the SD card status.
+* @param lun: Not used
+* @retval DSTATUS: Operation status
+*/
+static DSTATUS SD_CheckStatus(BYTE lun)
+{ 
+	SdStat = (DSTATUS)STA_NOINIT;
+	en_result_t enRet;
+	
+	enRet = SDCard_GetCardTransState();
+	if (Ok == enRet) { 
+		SdStat &= (DSTATUS)(~(DSTATUS)STA_NOINIT); 
+	} 
+	return SdStat;
+} 
+
+/**
+* @brief Gets Disk Status
+* @param lun: Not used
+* @retval DSTATUS: Operation status
+*/
+DSTATUS SD_Status(BYTE lun)
+{ 
+	return SD_CheckStatus(lun);
+} 
+
+/**
+* @brief Initializes a Drive
+ * @param lun: Not used
+* @retval DSTATUS: Operation status
+*/
+DSTATUS SD_Initialize(BYTE lun)
+{ 
+	SdStat = (DSTATUS)STA_NOINIT;
+	if (Ok == SDCard_Config()) { 
+		SdStat = SD_CheckStatus(lun);
+	} 
+	return SdStat;
+} 
+
+/**
+* @brief Reads Sector(s)
+* @param lun: Not used
+* @param buff: Pointer to data buffer used to store read data
+* @param sector: Sector address (LBA)
+* @param count: Number of sectors to read (1..128)
+* @retval DRESULT: Operation result
+*/
+DRESULT SD_Read(BYTE lun, BYTE *buff, DWORD sector, UINT count)
+{ 
+	DRESULT res = RES_ERROR;
+
+	if (Ok == SDCARD_ReadBlocks(&stcSdhandle, (uint32_t)sector, (uint16_t)count, (uint8_t *)buff, SD_RW_TIMEOUT_TIME)) { 
+		/* Wait until the read operation is finished */
+		while (Ok != SDCard_GetCardTransState()){ 
+		} 
+		res = RES_OK;
+	} 
+	
+	return res;
+} 
+
+/**
+* @brief Writes Sector(s)
+* @param lun: Not used
+* @param buff: Pointer to data to be written
+* @param sector: Sector address (LBA)
+ * @param count: Number of sectors to write (1..128)
+* @retval DRESULT: Operation result
+*/
+DRESULT SD_Write(BYTE lun, const BYTE *buff, DWORD sector, UINT count)
+{ 
+	DRESULT res = RES_ERROR;
+	if (Ok == SDCARD_WriteBlocks(&stcSdhandle, (uint32_t)sector, (uint16_t)count, (uint8_t *)buff, SD_RW_TIMEOUT_TIME)) { 
+	/* Wait until the Write operation is finished */
+		while (Ok != SDCard_GetCardTransState()) { 
+		} 
+		res = RES_OK;
+	} 
+	return res;
+} 
+
+/**
+* @brief I/O control operation
+* @param lun: Not used
+* @param cmd: Control code
+* @param buff: Pointer to buffer used to send/receive data
+* @retval DRESULT: Operation result
+*/
+DRESULT SD_Ioctl(BYTE lun, BYTE cmd, void *buff)
+{ 
+	DRESULT res;
+	//stc_sd_card_info_t stcCardInfo;
+	if (0U != (SdStat & (DSTATUS)STA_NOINIT)) { 
+		res = RES_NOTRDY;
+	}
+	else
+	{ 
+		switch (cmd) { 
+		/* Make sure that no pending write process */
+			case CTRL_SYNC :
+				res = RES_OK;
+				break;
+			
+			/* Get number of sectors on the disk (DWORD) */
+			case GET_SECTOR_COUNT :
+				SDCARD_GetCardCSD(&stcSdhandle);
+				*(DWORD*)buff =stcSdhandle.stcSdCardInfo.u32LogBlockNbr;
+				res = RES_OK;
+				break;
+			
+			/* Get R/W sector size (WORD) */
+			case GET_SECTOR_SIZE :
+				SDCARD_GetCardCSD(&stcSdhandle);
+				*(WORD*)buff = (uint16_t)stcSdhandle.stcSdCardInfo.u32LogBlockSize;
+				res = RES_OK;
+				break;
+			
+			/* Get erase block size in unit of sector (DWORD) */
+			case GET_BLOCK_SIZE :
+				SDCARD_GetCardCSD(&stcSdhandle);
+				*(DWORD*)buff = stcSdhandle.stcSdCardInfo.u32LogBlockSize / SD_DEFAULT_BLOCK_SIZE;
+				res = RES_OK;
+				break;
+			
+			default:
+				res = RES_PARERR;
+				break;
+		} 
+	} 
+	return res;
+}