add sd_card

.gitignore

@@ -1 +1,3 @@
 build/
+src/face_detect
+src/model

src/sd_card/board_config.h

@@ -0,0 +1,19 @@
+#ifndef _BOARD_CONFIG_
+#define _BOARD_CONFIG_
+
+#define  OV5640             0
+#define  OV2640             1
+
+#define  BOARD_KD233        0
+#define  BOARD_LICHEEDAN    1
+#define  BOARD_K61          0
+
+#if (OV5640 && OV2640) || (!OV5640 && !OV2640)
+#error ov sensor only choose one
+#endif
+
+#if (BOARD_LICHEEDAN && BOARD_KD233) || (BOARD_LICHEEDAN && BOARD_K61) || (BOARD_K61 && BOARD_KD233) || (!BOARD_LICHEEDAN && !BOARD_KD233 && !BOARD_K61)
+#error board only choose one
+#endif
+
+#endif

src/sd_card/diskio.c

@@ -0,0 +1,99 @@
+/*-----------------------------------------------------------------------*/
+/* Low level disk I/O module skeleton for FatFs     (C)ChaN, 2016        */
+/*-----------------------------------------------------------------------*/
+/* If a working storage control module is available, it should be        */
+/* attached to the FatFs via a glue function rather than modifying it.   */
+/* This is an example of glue functions to attach various exsisting      */
+/* storage control modules to the FatFs module with a defined API.       */
+/*-----------------------------------------------------------------------*/
+
+#include "diskio.h"		/* FatFs lower layer API */
+#include "sdcard.h"
+
+/* Definitions of physical drive number for each drive */
+#define M0		0	/* Example: Map MMC/SD card to physical drive 0 */
+
+
+/*-----------------------------------------------------------------------*/
+/* Get Drive Status                                                      */
+/*-----------------------------------------------------------------------*/
+
+DSTATUS disk_status(BYTE pdrv)
+{
+	return 0;
+}
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Inidialize a Drive                                                    */
+/*-----------------------------------------------------------------------*/
+
+DSTATUS disk_initialize(BYTE pdrv)
+{
+	if (sd_init() == 0)
+		return 0;
+	return STA_NOINIT;
+}
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Read Sector(s)                                                        */
+/*-----------------------------------------------------------------------*/
+
+DRESULT disk_read(BYTE pdrv, BYTE *buff, DWORD sector, UINT count)
+{
+	if (sd_read_sector_dma(buff, sector, count) == 0)
+		return RES_OK;
+	return RES_ERROR;
+}
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Write Sector(s)                                                       */
+/*-----------------------------------------------------------------------*/
+
+DRESULT disk_write(BYTE pdrv, const BYTE *buff, DWORD sector, UINT count)
+{
+	if (sd_write_sector_dma((BYTE *)buff, sector, count) == 0)
+		return RES_OK;
+	return RES_ERROR;
+}
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Miscellaneous Functions                                               */
+/*-----------------------------------------------------------------------*/
+
+DRESULT disk_ioctl(BYTE pdrv, BYTE cmd, void *buff)
+{
+	DRESULT res = RES_ERROR;
+
+	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:
+		*(DWORD *)buff = (cardinfo.SD_csd.DeviceSize + 1) << 10;
+		res = RES_OK;
+		break;
+	/* Get R/W sector size (WORD) */
+	case GET_SECTOR_SIZE:
+		*(WORD *)buff = cardinfo.CardBlockSize;
+		res = RES_OK;
+		break;
+	/* Get erase block size in unit of sector (DWORD) */
+	case GET_BLOCK_SIZE:
+		*(DWORD *)buff = cardinfo.CardBlockSize;
+		res = RES_OK;
+		break;
+	default:
+		res = RES_PARERR;
+	}
+	return res;
+}

src/sd_card/diskio.h

@@ -0,0 +1,80 @@
+/*-----------------------------------------------------------------------/
+/  Low level disk interface modlue include file   (C)ChaN, 2014          /
+/-----------------------------------------------------------------------*/
+
+#ifndef _DISKIO_DEFINED
+#define _DISKIO_DEFINED
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "integer.h"
+
+
+/* Status of Disk Functions */
+typedef BYTE	DSTATUS;
+
+/* Results of Disk Functions */
+typedef enum {
+	RES_OK = 0,		/* 0: Successful */
+	RES_ERROR,		/* 1: R/W Error */
+	RES_WRPRT,		/* 2: Write Protected */
+	RES_NOTRDY,		/* 3: Not Ready */
+	RES_PARERR		/* 4: Invalid Parameter */
+} DRESULT;
+
+
+/*---------------------------------------*/
+/* Prototypes for disk control functions */
+
+
+DSTATUS disk_initialize (BYTE pdrv);
+DSTATUS disk_status (BYTE pdrv);
+DRESULT disk_read (BYTE pdrv, BYTE* buff, DWORD sector, UINT count);
+DRESULT disk_write (BYTE pdrv, const BYTE* buff, DWORD sector, UINT count);
+DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);
+
+
+/* Disk Status Bits (DSTATUS) */
+
+#define STA_NOINIT		0x01	/* Drive not initialized */
+#define STA_NODISK		0x02	/* No medium in the drive */
+#define STA_PROTECT		0x04	/* Write protected */
+
+
+/* Command code for disk_ioctrl fucntion */
+
+/* Generic command (Used by FatFs) */
+#define CTRL_SYNC			0	/* Complete pending write process (needed at _FS_READONLY == 0) */
+#define GET_SECTOR_COUNT	1	/* Get media size (needed at _USE_MKFS == 1) */
+#define GET_SECTOR_SIZE		2	/* Get sector size (needed at _MAX_SS != _MIN_SS) */
+#define GET_BLOCK_SIZE		3	/* Get erase block size (needed at _USE_MKFS == 1) */
+#define CTRL_TRIM			4	/* Inform device that the data on the block of sectors is no longer used (needed at _USE_TRIM == 1) */
+
+/* Generic command (Not used by FatFs) */
+#define CTRL_POWER			5	/* Get/Set power status */
+#define CTRL_LOCK			6	/* Lock/Unlock media removal */
+#define CTRL_EJECT			7	/* Eject media */
+#define CTRL_FORMAT			8	/* Create physical format on the media */
+
+/* MMC/SDC specific ioctl command */
+#define MMC_GET_TYPE		10	/* Get card type */
+#define MMC_GET_CSD			11	/* Get CSD */
+#define MMC_GET_CID			12	/* Get CID */
+#define MMC_GET_OCR			13	/* Get OCR */
+#define MMC_GET_SDSTAT		14	/* Get SD status */
+#define ISDIO_READ			55	/* Read data form SD iSDIO register */
+#define ISDIO_WRITE			56	/* Write data to SD iSDIO register */
+#define ISDIO_MRITE			57	/* Masked write data to SD iSDIO register */
+
+/* ATA/CF specific ioctl command */
+#define ATA_GET_REV			20	/* Get F/W revision */
+#define ATA_GET_MODEL		21	/* Get model name */
+#define ATA_GET_SN			22	/* Get serial number */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif