void sd_fs_init(void)
{
/* SD卡中断初始化 */
SDIO_NVIC_Configuration();
/* SD 卡硬件初始化，初始化盘符为0 */
disk_initialize( 0 );
}
void Sd_fs_init(void)
{
/* SD卡中断初始化 */
SDIO_NVIC_Configuration();
/* SD 卡硬件初始化，初始化盘符为0 */
f_mount(0,&myfs[0]);
}
static void SDCARD_Configuration(void)
{
/* SDCARD Periph clock enable */
RCC_APB2PeriphClockCmd(SDCARD_EN_CLK, ENABLE);
// NVIC configuration
SDIO_NVIC_Configuration();
// GPIO : PIN Init
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Pin = SDCARD_EN_PIN; // (DAC0 => PA04)
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOE, &GPIO_InitStructure);
}
void Sd_fs_test(void)
{
int count=0;
SDIO_NVIC_Configuration();
disk_initialize( 0 ); /* SD 卡硬件初始化 */
f_mount(0, &myfs[0]);
myres = f_open( &myfsrc , "0:/my__Demo.TXT" ,/* FA_CREATE_NEW |*/ FA_WRITE);
if ( myres == FR_OK )
{
/* Write buffer to file */
myres = f_write(&myfsrc, mystring, sizeof(mystring), &mybr);
f_close(&myfsrc);
}
else if ( myres == FR_EXIST ) //如果文件已经存在
{
}
myres = f_open(&myfsrc, "0:/my__Demo.TXT", FA_OPEN_EXISTING | FA_READ); /* 打开文件 */ //ok
mybr = 1;
mya = 0;
for (;;)
{
for ( mya=0; mya<512; mya++ ) /* 清缓冲区 */
mybuffer[mya]=0;
myres = f_read( &myfsrc, mybuffer, sizeof(mybuffer), &mybr ); /* 将文件里面的内容读到缓冲区 */
sprintf( (char*)&my_latest_buffer[count*512], "%s" , mybuffer ); //打印到缓冲区
count++;
if (myres || mybr == 0) break; // error or eof
}
f_close(&myfsrc); /* 关闭打开的文件 */
}
void Sd_fs_test(void)
{
int count=0;
printf("\r\n 这是一个MicroSD卡文件系统测试实验(FATFS R0.09)\n");
SDIO_NVIC_Configuration();
disk_initialize( 0 ); /* SD 卡硬件初始化 */
f_mount(0, &myfs[0]);
myres = f_open( &myfsrc , "0:/my__Demo.TXT" , FA_CREATE_NEW | FA_WRITE);
printf("\r\n my__Demo.TXT 创建成功\n");
if ( myres == FR_OK )
{
/* Write buffer to file */
myres = f_write(&myfsrc, mystring, sizeof(mystring), &mybr);
f_close(&myfsrc);
}
else if ( myres == FR_EXIST ) //如果文件已经存在
{
}
myres = f_open(&myfsrc, "0:/my__Demo.TXT", FA_OPEN_EXISTING | FA_READ); /* 打开文件 */ //ok
printf("\r\n my__Demo.TXT 已存在，打开成功\n");
mybr = 1;
mya = 0;
printf("读取创建的TXT文件 ----\n");
for (;;)
{
for ( mya=0; mya<512; mya++ ) /* 清缓冲区 */
mybuffer[mya]=0;
myres = f_read( &myfsrc, mybuffer, sizeof(mybuffer), &mybr ); /* 将文件里面的内容读到缓冲区 */
// sprintf( (char*)&my_latest_buffer[count*512], "%s" , mybuffer ); //打印到缓冲区
printf("\r\n %s \n", mybuffer);
count++;
if (myres || mybr == 0) break; // error or eof
}
printf("\r\n %d ", count);
count = 0;
f_close(&myfsrc); /* 关闭打开的文件 */
// for (;;)
// {
// for ( a=0; a<512; a++ ) /* 清缓冲区 */
// buffer[a]=0;
//
// res = f_read( &fdst, buffer, sizeof(buffer), &br ); /* 将文件里面的内容读到缓冲区 */
// printf("\r\n %s ", buffer);
// if (res || br == 0) break; /* 错误或者到了文件尾 */
// }
// f_close(&fdst);
// Set_direction(0);
}