52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
|
|
||
|
|
#ifndef __SDCARD_H
|
||
|
|
#define __SDCARD_H
|
||
|
|
|
||
|
|
#include <rtthread.h>
|
||
|
|
|
||
|
|
#ifdef RT_USING_DFS
|
||
|
|
|
||
|
|
#include <sep4020.h>
|
||
|
|
|
||
|
|
#define INICLK 300000
|
||
|
|
#define SDCLK 24000000 //PCLK=49.392MHz
|
||
|
|
#define MMCCLK 15000000 //PCLK=49.392MHz
|
||
|
|
|
||
|
|
/*struct of the SDC*/
|
||
|
|
struct sd_c
|
||
|
|
{
|
||
|
|
__IO rt_uint32_t clk_ctl;
|
||
|
|
__IO rt_uint32_t soft_rst;
|
||
|
|
__IO rt_uint32_t arg;
|
||
|
|
__IO rt_uint32_t cmd;
|
||
|
|
__IO rt_uint32_t blk_sz;
|
||
|
|
__IO rt_uint32_t blk_cnt;
|
||
|
|
__IO rt_uint32_t trans_mode;
|
||
|
|
__O rt_uint32_t response0;
|
||
|
|
__O rt_uint32_t response1;
|
||
|
|
__O rt_uint32_t response2;
|
||
|
|
__O rt_uint32_t response3;
|
||
|
|
__IO rt_uint32_t rd_to_ctl;
|
||
|
|
__IO rt_uint32_t int_stat;
|
||
|
|
__IO rt_uint32_t int_stat_mask;
|
||
|
|
__O rt_uint32_t rx_fifo;
|
||
|
|
__I rt_uint32_t tx_fifo;
|
||
|
|
};
|
||
|
|
|
||
|
|
/*sdcard driver structure*/
|
||
|
|
struct sd_device
|
||
|
|
{
|
||
|
|
struct rt_device *device; /*rt_device*/
|
||
|
|
struct sd_c *sdc; /*SDCARD register*/
|
||
|
|
struct dfs_partition *part; /*dfs partitions*/
|
||
|
|
rt_uint8_t *sec_buf; /*sdcard buffer*/
|
||
|
|
rt_uint32_t part_num; /*partiont numbers*/
|
||
|
|
rt_uint32_t buf_size; /*buffer size*/
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
|