/**
* @brief Initializes the SD Card and put it into StandBy State (Ready for
* data transfer).
* @param None
* @retval None
*/
void SD_LowLevel_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
SD_NVIC_Configuration();
/*!< GPIOC and GPIOD Periph clock enable */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOD | SD_DETECT_GPIO_CLK, ENABLE);
/*!< Configure PC.08, PC.09, PC.10, PC.11, PC.12 pin: D0, D1, D2, D3, CLK pin */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_11 | GPIO_Pin_12;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOC, &GPIO_InitStructure);
/*!< Configure PD.02 CMD line */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
GPIO_Init(GPIOD, &GPIO_InitStructure);
/*!< Configure SD_SPI_DETECT_PIN pin: SD Card detect pin */
GPIO_InitStructure.GPIO_Pin = SD_DETECT_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(SD_DETECT_GPIO_PORT, &GPIO_InitStructure);
/*!< Enable the SDIO AHB Clock */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_SDIO, ENABLE);
/*!< Enable the DMA2 Clock */
RCC_AHBPeriphClockCmd(SD_SDIO_DMA_CLK, ENABLE);
}
FRESULT ff_test(void)
{
printf("test fatfs begin\n\r");
SD_NVIC_Configuration();
res = f_mount(&fatfs, "", 0);
if(res != FR_OK) printf("mount failed: %d\n\r", res);
res = f_open(&file, "test.txt", FA_CREATE_ALWAYS | FA_WRITE | FA_READ);
res = f_open(&file2, "var.txt", FA_CREATE_ALWAYS | FA_WRITE | FA_READ);
if(res != FR_OK) printf("open failed: %d\n\r", res);
res = f_write(&file, buff, 12 * sizeof(char), &bw);
res = f_printf(&file, "test-");
res = f_printf(&file, "speed:%d,%d\n\r",speed[0],speed[1]--);
res = f_puts("end of file\n\r", &file);
speed[0] = 65;
speed[1] = 1;
res = f_write(&file2, speed, sizeof(speed), &bw);
if(res != FR_OK) printf("fwrite failed: %d\n\r", res);
res = f_close(&file);
res = f_close(&file2);
if(res != FR_OK) printf("fclose failled: %d\n\r", res);
res = f_mount(NULL,"", 0);
if(res != FR_OK) printf("umonut failed: %d\n\r", res);
if(res == FR_OK) printf("test fatfs success\n\r");
}
void SDIO_test(void)
{
SD_Error error;
// interrupt config
SD_NVIC_Configuration();
//SD init
error = SD_Init();
printf("test SDIO without FS\n\r");
if(error == SD_OK) printf("SD_Init Success.\n\r");
else{
printf("SD_Init fail.\n\r");
printf("status:\t%d\n\r",error);
}
printf("CardType:\t%d\n\r",SDCardInfo.CardType);
printf("CardCapacity:\t%d\n\r",SDCardInfo.CardCapacity);
printf("CardBlockSize:\t%d\n\r",SDCardInfo.CardBlockSize);
printf("ManufactureID:\t%d\n\r",SDCardInfo.SD_cid.ManufacturerID);
printf("RCA:\t%d\n\r",SDCardInfo.RCA);
while((error == SD_OK) && (uwSDCardOperation != SD_OPERATION_END))
{
switch(uwSDCardOperation)
{
/* -------------------SD single block test--------------------- */
case(SD_OPERATION_BLOCK):
{
SD_SingleBlockTest();
uwSDCardOperation = SD_OPERATION_ERASE;
break;
}
/* -------------------SD Erase test--------------------- */
case(SD_OPERATION_ERASE):
{
SD_EraseTest();
uwSDCardOperation = SD_OPERATION_MULTI_BLOCK;
break;
}
/* -------------------SD single block test--------------------- */
case(SD_OPERATION_MULTI_BLOCK):
{
SD_MultiBlockTest();
uwSDCardOperation = SD_OPERATION_END;
break;
}
}
}
}
void start_record(){
SD_NVIC_Configuration();
/* mount file system */
res = f_mount(&fatfs, "", 0);
if(res != FR_OK) printf("mount failed: %d\n\r", res);
/* open file to write data */
res = f_open(&file, "data.txt", FA_CREATE_ALWAYS | FA_WRITE | FA_READ);
res = f_open(&f_value, "fncp.txt", FA_CREATE_ALWAYS | FA_WRITE | FA_READ);
if(res != FR_OK) printf("open file failed: %d\n\r", res);
if(res == FR_OK) printf("file is ready to write data!\n\r");
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
SD_GPIO_Configuration();
SD_NVIC_Configuration();
LCD_Init();
LCD_Clear(0, 0, 240, 320, BACKGROUND);
res = f_mount(&fs, "0:", 1); //挂载SD卡
if(res == FR_OK)
{
LCD_DisplayMultiCH(0, 0, (uint8_t *)"“王献”你好啊！Welcome Mr.Wang! 666", BLUE, SIZE_12);
LCD_DisplayMultiCH(0, 16, (uint8_t *)"王献你是最棒的！you are the best!", GREEN, SIZE_16);
}
while (1)
{
}
}
/**
* @brief Initializes the SD Card and put it into StandBy State (Ready for
* data transfer).
* @param None
* @retval None
*/
void SD_LowLevel_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* GPIOC and GPIOD Periph clock enable */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOC | RCC_AHB1Periph_GPIOD, ENABLE);
#ifdef SD_DMA_MODE
SD_NVIC_Configuration();
#endif
GPIO_PinAFConfig(GPIOC, GPIO_PinSource8, GPIO_AF_SDIO);
GPIO_PinAFConfig(GPIOC, GPIO_PinSource9, GPIO_AF_SDIO);
GPIO_PinAFConfig(GPIOC, GPIO_PinSource10, GPIO_AF_SDIO);
GPIO_PinAFConfig(GPIOC, GPIO_PinSource11, GPIO_AF_SDIO);
GPIO_PinAFConfig(GPIOC, GPIO_PinSource12, GPIO_AF_SDIO);
GPIO_PinAFConfig(GPIOD, GPIO_PinSource2, GPIO_AF_SDIO);
/* Configure PC.08, PC.09, PC.10, PC.11 pins: D0, D1, D2, D3 pins */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_11;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_25MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_Init(GPIOC, &GPIO_InitStructure);
/* Configure PD.02 CMD line */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
GPIO_Init(GPIOD, &GPIO_InitStructure);
/* Configure PC.12 pin: CLK pin */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOC, &GPIO_InitStructure);
/* Enable the SDIO APB2 Clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SDIO, ENABLE);
/* Enable the DMA2 Clock */
RCC_AHB1PeriphClockCmd(SD_SDIO_DMA_CLK, ENABLE);
}