int main(void)
{
uint32_t i;
DelayInit();
GPIO_QuickInit(HW_GPIOE, 6, kGPIO_Mode_OPP);
UART_QuickInit(UART0_RX_PD06_TX_PD07, 115200);
printf("SD test\r\n");
printf("please insert SD card...\r\n");
//SD卡模块快速初始化，设置速度为20000000
SD_QuickInit(20000000);
//获取SD卡的容量
printf("SD size:%dMB\r\n", SD_GetSizeInMB());
/* 读取0扇区数据，每一个扇区512字节 */
SD_ReadSingleBlock(0, sd_buffer);
/* 打印0扇区数据 */
printf("sectoer 0 data:\r\n");
for(i = 0; i < 512; i++)
{
printf("0x%02X ", sd_buffer[i]);
}
while(1)
{
//小灯闪烁
GPIO_ToggleBit(HW_GPIOE, 6);
DelayMs(500);
}
}
int main(void)
{
DelayInit();
GPIO_QuickInit(HW_GPIOE, 6, kGPIO_Mode_OPP);
UART_QuickInit(UART0_RX_PD06_TX_PD07, 115200);
printf("FATFS test\r\n");
printf("please insert SD card...\r\n");
if(SD_QuickInit(20*1000*1000))
{
printf("SD card init failed!\r\n");
while(1);
}
printf("SD size:%dMB\r\n", SD_GetSizeInMB());
FRESULT rc;
FATFS fs_sd;
FIL fil;
FATFS *fs;
fs = &fs_sd;
UINT bw,br; /* bw = byte writted br = byte readed */
DWORD fre_clust, fre_sect, tot_sect;
/* 挂载文件系统 */
rc = f_mount(fs, "0:", 0);
ERROR_TRACE(rc);
rc = f_getfree("0:", &fre_clust, &fs);
ERROR_TRACE(rc);
/* 计算磁盘空间及剩余空间 */
tot_sect = (fs->n_fatent - 2) * fs->csize;
fre_sect = fre_clust * fs->csize;
printf("%d KB total drive space.\r\n%d KB available.\r\n", tot_sect / 2, fre_sect / 2);
/* 写入文件 */
printf("open or create file\r\n");
rc = f_open(&fil, "0:/fatfs.txt", FA_WRITE | FA_CREATE_ALWAYS);
ERROR_TRACE(rc);
printf("write file\r\n");
rc = f_write(&fil, "HelloWorld\r\n", 12, &bw);
ERROR_TRACE(rc);
printf("%d bytes writen\r\n", bw);
rc = f_close(&fil);
/* 读取文件 */
rc = f_open(&fil, "0:/fatfs.txt", FA_READ);
ERROR_TRACE(rc);
printf("file size:%l\r\n", f_size(&fil));
printf("file contents:\r\n");
while(1)
{
rc = f_read(&fil, buf, sizeof(buf), &br);
if(rc || !br ) break;
printf("%s", buf);
}
rc = f_close(&fil);
ERROR_TRACE(rc);
while(1)
{
GPIO_ToggleBit(HW_GPIOE, 6);
DelayMs(500);
}
}
DSTATUS disk_initialize (
BYTE pdrv /* Physical drive nmuber (0..) */
)
{
// DSTATUS stat;
// int result;
switch (pdrv)
{
case SD_CARD :
SD_QuickInit(8*1000*1000);
return RES_OK;
}
return STA_NOINIT;
}
int main(void)
{
DelayInit();
GPIO_QuickInit(HW_GPIOE, 6, kGPIO_Mode_OPP);
SRAM_Init();
UART_QuickInit(UART0_RX_PD06_TX_PD07, 115200);
GUI_Init();
GUI_DispString("BMP file test\r\n");
GUI_DispString("please insert SD card...\r\n");
SD_QuickInit(10*1000*1000);
printf("SD size:%dMB\r\n", SD_GetSizeInMB());
FATFS fs_sd;
FATFS *fs = &fs_sd;
/* 挂载文件系统 */
f_mount(fs, "0:", 0);
while(1)
{
scan_files("0:");
GPIO_ToggleBit(HW_GPIOE, 6);
}
}
