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#include "rtthread.h"
#include <stdint.h>
#include "string.h"
#define __is_print(ch) ((unsigned int)((ch) - ' ') < 127u - ' ')
static void dump_hex(const rt_uint8_t *ptr, rt_size_t buflen)
{
unsigned char *buf = (unsigned char*)ptr;
int i, j;
for (i=0; i<buflen; i+=16)
{
rt_kprintf("%08X: ", i);
for (j=0; j<16; j++)
if (i+j < buflen)
rt_kprintf("%02X ", buf[i+j]);
else
rt_kprintf(" ");
rt_kprintf(" ");
for (j=0; j<16; j++)
if (i+j < buflen)
rt_kprintf("%c", __is_print(buf[i+j]) ? buf[i+j] : '.');
rt_kprintf("\n");
}
}
static void read_sd__(uint32_t addr, int length, int count)
{
rt_device_t device = RT_NULL;
rt_err_t result;
struct rt_device_blk_geometry geometry;
rt_uint8_t * read_buffer = RT_NULL;
device = rt_device_find("sd0");
rt_device_init(device);
rt_device_open(device,RT_DEVICE_FLAG_RDWR);
rt_memset(&geometry, 0, sizeof(geometry));
result = rt_device_control(device,
RT_DEVICE_CTRL_BLK_GETGEOME,
&geometry);
rt_kprintf("device info:\r\n");
rt_kprintf("sector size : %d byte\r\n", geometry.bytes_per_sector);
rt_kprintf("sector count : %d \r\n", geometry.sector_count);
rt_kprintf("block size : %d byte\r\n", geometry.block_size);
rt_kprintf("\r\n");
read_buffer = rt_malloc(geometry.bytes_per_sector*length);
if( read_buffer == RT_NULL )
{
rt_kprintf("no memory for read_buffer!\r\n");
goto __return;
}
memset(read_buffer,0x00,geometry.bytes_per_sector*length);
// for(i = 0;i < count; i++)
{
result = rt_device_read(device,addr,read_buffer, length);
dump_hex(read_buffer,geometry.bytes_per_sector * length);
if(result != length)
{
rt_kprintf("read device :%s ", device->parent.name);
rt_kprintf("the first sector failed.\r\n");
goto __return;
}
rt_kprintf("\n");
}
__return:
if( read_buffer != RT_NULL )
{
rt_free(read_buffer);
}
}
static void write_sd__(uint32_t addr, int length, unsigned char data)
{
int i;
rt_device_t device = RT_NULL;
rt_err_t result;
struct rt_device_blk_geometry geometry;
rt_uint8_t * write_buffer = RT_NULL;
rt_uint8_t * data_point = RT_NULL;;
device = rt_device_find("sd0");
rt_device_init(device);
rt_device_open(device,RT_DEVICE_FLAG_RDWR);
rt_memset(&geometry, 0, sizeof(geometry));
result = rt_device_control(device,
RT_DEVICE_CTRL_BLK_GETGEOME,
&geometry);
rt_kprintf("device info:\r\n");
rt_kprintf("sector size : %d byte\r\n", geometry.bytes_per_sector);
rt_kprintf("sector count : %d \r\n", geometry.sector_count);
rt_kprintf("block size : %d byte\r\n", geometry.block_size);
rt_kprintf("\r\n");
write_buffer = rt_malloc(geometry.bytes_per_sector);
if( write_buffer == RT_NULL )
{
rt_kprintf("no memory for write_buffer!\r\n");
goto __return;
}
data_point = write_buffer;
for(i=data; i<geometry.bytes_per_sector; i++)
{
*data_point++ = (rt_uint8_t)i;
}
for(i = addr;i < (length + addr); i++)
{
rt_device_write(device, addr, write_buffer,1);
}
__return:
if( write_buffer != RT_NULL )
{
rt_free(write_buffer);
}
}
int sdio_read(uint32_t addr, int length, int count)
{
read_sd__(addr, length, count);
return 0;
}
int sdio_write(uint32_t addr, int length, unsigned char data)
{
write_sd__(addr, length, data);
return 0;
}
#ifdef RT_USING_FINSH
#include <finsh.h>
FINSH_FUNCTION_EXPORT_ALIAS(sdio_read, sdior, sdio read test);
FINSH_FUNCTION_EXPORT_ALIAS(sdio_write, sdiow, sdio write test);
#endif
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