void sdcard_init(void)
{
volatile int retry=10;
/* SDIO initial configuration */
SDHandle.Instance = SDIO;
SDHandle.Init.ClockEdge = SDIO_CLOCK_EDGE_RISING;
SDHandle.Init.ClockBypass = SDIO_CLOCK_BYPASS_DISABLE;
SDHandle.Init.ClockPowerSave = SDIO_CLOCK_POWER_SAVE_DISABLE; //TODO
SDHandle.Init.BusWide = SDIO_BUS_WIDE_1B;
SDHandle.Init.HardwareFlowControl = SDIO_HARDWARE_FLOW_CONTROL_DISABLE;
SDHandle.Init.ClockDiv = SDIO_TRANSFER_CLK_DIV; //INIT_CLK_DIV will be used first
/* DeInit in case of reboot */
HAL_SD_DeInit(&SDHandle);
/* Init the SD interface */
HAL_SD_CardInfoTypedef cardinfo;
while(HAL_SD_Init(&SDHandle, &cardinfo) != SD_OK && --retry) {
systick_sleep(100);
}
if (retry == 0) {
BREAK();
}
/* Configure the SD Card in wide bus mode. */
if (HAL_SD_WideBusOperation_Config(&SDHandle, SDIO_BUS_WIDE_4B) != SD_OK) {
BREAK();
}
}
bool sdcard_power_on(void) {
if (!sdcard_is_present()) {
return false;
}
// SD device interface configuration
sd_handle.Instance = SDIO;
sd_handle.Init.ClockEdge = SDIO_CLOCK_EDGE_RISING;
sd_handle.Init.ClockBypass = SDIO_CLOCK_BYPASS_DISABLE;
sd_handle.Init.ClockPowerSave = SDIO_CLOCK_POWER_SAVE_DISABLE;
sd_handle.Init.BusWide = SDIO_BUS_WIDE_1B;
sd_handle.Init.HardwareFlowControl = SDIO_HARDWARE_FLOW_CONTROL_DISABLE;
sd_handle.Init.ClockDiv = SDIO_TRANSFER_CLK_DIV;
// init the SD interface
HAL_SD_CardInfoTypedef cardinfo;
if (HAL_SD_Init(&sd_handle, &cardinfo) != SD_OK) {
goto error;
}
// configure the SD bus width for wide operation
if (HAL_SD_WideBusOperation_Config(&sd_handle, SDIO_BUS_WIDE_4B) != SD_OK) {
HAL_SD_DeInit(&sd_handle);
goto error;
}
return true;
error:
sd_handle.Instance = NULL;
return false;
}
void sdcard_init(void)
{
volatile int retry=10;
HAL_SD_CardInfoTypedef cardinfo;
// SDIO configuration
SDHandle.Instance = SDIO;
SDHandle.Init.ClockEdge = SDIO_CLOCK_EDGE_RISING;
SDHandle.Init.ClockBypass = SDIO_CLOCK_BYPASS_DISABLE;
SDHandle.Init.ClockPowerSave = SDIO_CLOCK_POWER_SAVE_DISABLE;
SDHandle.Init.BusWide = SDIO_BUS_WIDE_1B;
SDHandle.Init.HardwareFlowControl = SDIO_HARDWARE_FLOW_CONTROL_DISABLE;
SDHandle.Init.ClockDiv = SDIO_TRANSFER_CLK_DIV; //INIT_CLK_DIV will be used first
// Deinit SD
HAL_SD_DeInit(&SDHandle);
// Init SD interface
while(HAL_SD_Init(&SDHandle, &cardinfo) != SD_OK && retry--) {
if (retry == 0) {
__fatal_error("Failed to init sdcard: init timeout");
}
systick_sleep(100);
}
/* Configure the SD Card in wide bus mode. */
if (HAL_SD_WideBusOperation_Config(&SDHandle, SDIO_BUS_WIDE_4B) != SD_OK) {
__fatal_error("Failed to init sensor, sdcard: config wide bus");
}
// Configure and enable DMA IRQ Channel
// SDIO IRQ should have a higher priority than DMA IRQ because it needs to
// preempt the DMA irq handler to set a flag indicating the end of transfer.
HAL_NVIC_SetPriority(SDIO_IRQn, IRQ_PRI_SDIO, IRQ_SUBPRI_SDIO);
HAL_NVIC_EnableIRQ(SDIO_IRQn);
}
/**
* @brief Initializes the SD card device.
* @retval SD status
*/
uint8_t BSP_SD_Init(void)
{
uint8_t sd_state = MSD_OK;
/* PLLSAI is dedicated to LCD periph. Do not use it to get 48MHz*/
/* uSD device interface configuration */
uSdHandle.Instance = SDIO;
uSdHandle.Init.ClockEdge = SDIO_CLOCK_EDGE_RISING;
uSdHandle.Init.ClockBypass = SDIO_CLOCK_BYPASS_DISABLE;
uSdHandle.Init.ClockPowerSave = SDIO_CLOCK_POWER_SAVE_DISABLE;
uSdHandle.Init.BusWide = SDIO_BUS_WIDE_1B;
uSdHandle.Init.HardwareFlowControl = SDIO_HARDWARE_FLOW_CONTROL_ENABLE;
uSdHandle.Init.ClockDiv = SDIO_TRANSFER_CLK_DIV;
/* Configure IO functionalities for SD detect pin */
BSP_IO_Init();
/* Check if the SD card is plugged in the slot */
BSP_IO_ConfigPin(SD_DETECT_PIN, IO_MODE_INPUT_PU);
if(BSP_SD_IsDetected() != SD_PRESENT)
{
return MSD_ERROR_SD_NOT_PRESENT;
}
/* Msp SD initialization */
BSP_SD_MspInit(&uSdHandle, NULL);
/* HAL SD initialization */
if(HAL_SD_Init(&uSdHandle, &uSdCardInfo) != SD_OK)
{
sd_state = MSD_ERROR;
}
/* Configure SD Bus width */
if(sd_state == MSD_OK)
{
/* Enable wide operation */
if(HAL_SD_WideBusOperation_Config(&uSdHandle, SDIO_BUS_WIDE_4B) != SD_OK)
{
sd_state = MSD_ERROR;
}
else
{
sd_state = MSD_OK;
}
}
return sd_state;
}
/* SDMMC1 init function */
void MX_SDMMC1_SD_Init(void)
{
hsd1.Instance = SDMMC1;
hsd1.Init.ClockEdge = SDMMC_CLOCK_EDGE_RISING;
hsd1.Init.ClockBypass = SDMMC_CLOCK_BYPASS_DISABLE;
hsd1.Init.ClockPowerSave = SDMMC_CLOCK_POWER_SAVE_DISABLE;
hsd1.Init.BusWide = SDMMC_BUS_WIDE_1B;
hsd1.Init.HardwareFlowControl = SDMMC_HARDWARE_FLOW_CONTROL_DISABLE;
hsd1.Init.ClockDiv = 0;
HAL_SD_Init(&hsd1, &SDCardInfo1);
HAL_SD_WideBusOperation_Config(&hsd1, SDMMC_BUS_WIDE_4B);
}
/**
* @brief Initializes the SD card device.
* @retval SD status
*/
uint8_t BSP_SD_Init(void)
{
uint8_t sd_state = MSD_OK;
/* uSD device interface configuration */
uSdHandle.Instance = SDIO;
uSdHandle.Init.ClockEdge = SDIO_CLOCK_EDGE_RISING;
uSdHandle.Init.ClockBypass = SDIO_CLOCK_BYPASS_DISABLE;
uSdHandle.Init.ClockPowerSave = SDIO_CLOCK_POWER_SAVE_DISABLE;
uSdHandle.Init.BusWide = SDIO_BUS_WIDE_1B;
uSdHandle.Init.HardwareFlowControl = SDIO_HARDWARE_FLOW_CONTROL_ENABLE;
uSdHandle.Init.ClockDiv = SDIO_TRANSFER_CLK_DIV;
/* Msp SD Detect pin initialization */
BSP_SD_Detect_MspInit(&uSdHandle, NULL);
/* Check if SD card is present */
if(BSP_SD_IsDetected() != SD_PRESENT)
{
return MSD_ERROR_SD_NOT_PRESENT;
}
/* Msp SD initialization */
BSP_SD_MspInit(&uSdHandle, NULL);
/* HAL SD initialization */
if(HAL_SD_Init(&uSdHandle, &uSdCardInfo) != SD_OK)
{
sd_state = MSD_ERROR;
}
/* Configure SD Bus width */
if(sd_state == MSD_OK)
{
/* Enable wide operation */
if(HAL_SD_WideBusOperation_Config(&uSdHandle, SDIO_BUS_WIDE_4B) != SD_OK)
{
sd_state = MSD_ERROR;
}
else
{
sd_state = MSD_OK;
}
}
return sd_state;
}
/**
* @brief Initializes the SD card device.
* @param None
* @retval SD status.
*/
uint8_t BSP_SD_Init(void)
{
uint8_t SD_state = MSD_OK;
/* uSD device interface configuration */
uSdHandle.Instance = SDIO;
uSdHandle.Init.ClockEdge = SDIO_CLOCK_EDGE_RISING;
uSdHandle.Init.ClockBypass = SDIO_CLOCK_BYPASS_DISABLE;
uSdHandle.Init.ClockPowerSave = SDIO_CLOCK_POWER_SAVE_DISABLE;
uSdHandle.Init.BusWide = SDIO_BUS_WIDE_1B;
uSdHandle.Init.HardwareFlowControl = SDIO_HARDWARE_FLOW_CONTROL_DISABLE;
uSdHandle.Init.ClockDiv = SDIO_TRANSFER_CLK_DIV;
/* Configure IO functionalities for SD detect pin */
BSP_IO_Init();
/* Check if the SD card is plugged in the slot */
if(BSP_SD_IsDetected() != SD_PRESENT)
{
return MSD_ERROR;
}
/* HAL SD initialization */
SD_MspInit();
if(HAL_SD_Init(&uSdHandle, &SD_CardInfo) != SD_OK)
{
SD_state = MSD_ERROR;
}
/* Configure SD Bus width */
if(SD_state == MSD_OK)
{
/* Enable wide operation */
if(HAL_SD_WideBusOperation_Config(&uSdHandle, SDIO_BUS_WIDE_4B) != SD_OK)
{
SD_state = MSD_ERROR;
}
else
{
SD_state = MSD_OK;
}
}
return SD_state;
}
/**
* @brief Initializes the SD card device.
* @param None
* @retval SD status
*/
uint8_t BSP_SD_Init(void)
{
uint8_t SD_state = MSD_OK;
/* Check if the SD card is plugged in the slot */
if (BSP_SD_IsDetected() != SD_PRESENT)
{
return MSD_ERROR;
}
SD_state = HAL_SD_Init(&hsd, &SDCardInfo);
#ifdef BUS_4BITS
if (SD_state == MSD_OK)
{
if (HAL_SD_WideBusOperation_Config(&hsd, SDIO_BUS_WIDE_4B) != SD_OK)
{
SD_state = MSD_ERROR;
}
else
{
SD_state = MSD_OK;
}
}
#endif
return SD_state;
}
//{{{
uint8_t SD_Init() {
//{{{ sdDetect init
SD_DETECT_GPIO_CLK_ENABLE();
GPIO_InitTypeDef gpio_init_structure;
gpio_init_structure.Pin = SD_DETECT_PIN;
gpio_init_structure.Mode = GPIO_MODE_INPUT;
gpio_init_structure.Pull = GPIO_PULLUP;
gpio_init_structure.Speed = GPIO_SPEED_HIGH;
HAL_GPIO_Init (SD_DETECT_GPIO_PORT, &gpio_init_structure);
//}}}
uSdHandle.Init.ClockEdge = SDMMC_CLOCK_EDGE_RISING;
uSdHandle.Init.ClockBypass = SDMMC_CLOCK_BYPASS_DISABLE;
uSdHandle.Init.ClockPowerSave = SDMMC_CLOCK_POWER_SAVE_DISABLE;
uSdHandle.Init.BusWide = SDMMC_BUS_WIDE_1B;
uSdHandle.Init.HardwareFlowControl = SDMMC_HARDWARE_FLOW_CONTROL_DISABLE;
uSdHandle.Init.ClockDiv = SDMMC_TRANSFER_CLK_DIV;
__HAL_RCC_DMA2_CLK_ENABLE();
// sd interrupt
#ifdef STM32F746G_DISCO
uSdHandle.Instance = SDMMC1;
__HAL_RCC_SDMMC1_CLK_ENABLE();
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOD_CLK_ENABLE();
//{{{ gpio init
gpio_init_structure.Mode = GPIO_MODE_AF_PP;
gpio_init_structure.Pull = GPIO_PULLUP;
gpio_init_structure.Speed = GPIO_SPEED_HIGH;
gpio_init_structure.Alternate = GPIO_AF12_SDMMC1;
gpio_init_structure.Pin = GPIO_PIN_8 | GPIO_PIN_9 | GPIO_PIN_10 | GPIO_PIN_11 | GPIO_PIN_12;
HAL_GPIO_Init (GPIOC, &gpio_init_structure);
gpio_init_structure.Pin = GPIO_PIN_2;
HAL_GPIO_Init (GPIOD, &gpio_init_structure);
//}}}
//{{{ DMA rx parameters
dma_rx_handle.Instance = DMA2_Stream3;
dma_rx_handle.Init.Channel = DMA_CHANNEL_4;
dma_rx_handle.Init.Direction = DMA_PERIPH_TO_MEMORY;
dma_rx_handle.Init.PeriphInc = DMA_PINC_DISABLE;
dma_rx_handle.Init.MemInc = DMA_MINC_ENABLE;
dma_rx_handle.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
dma_rx_handle.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
dma_rx_handle.Init.Mode = DMA_PFCTRL;
dma_rx_handle.Init.Priority = DMA_PRIORITY_VERY_HIGH;
dma_rx_handle.Init.FIFOMode = DMA_FIFOMODE_ENABLE;
dma_rx_handle.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
dma_rx_handle.Init.MemBurst = DMA_MBURST_INC4;
dma_rx_handle.Init.PeriphBurst = DMA_PBURST_INC4;
__HAL_LINKDMA (&uSdHandle, hdmarx, dma_rx_handle);
HAL_DMA_DeInit (&dma_rx_handle);
HAL_DMA_Init (&dma_rx_handle);
//}}}
//{{{ DMA tx parameters
dma_tx_handle.Instance = DMA2_Stream6;
dma_tx_handle.Init.Channel = DMA_CHANNEL_4;
dma_tx_handle.Init.Direction = DMA_MEMORY_TO_PERIPH;
dma_tx_handle.Init.PeriphInc = DMA_PINC_DISABLE;
dma_tx_handle.Init.MemInc = DMA_MINC_ENABLE;
dma_tx_handle.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
dma_tx_handle.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
dma_tx_handle.Init.Mode = DMA_PFCTRL;
dma_tx_handle.Init.Priority = DMA_PRIORITY_VERY_HIGH;
dma_tx_handle.Init.FIFOMode = DMA_FIFOMODE_ENABLE;
dma_tx_handle.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
dma_tx_handle.Init.MemBurst = DMA_MBURST_INC4;
dma_tx_handle.Init.PeriphBurst = DMA_PBURST_INC4;
__HAL_LINKDMA (&uSdHandle, hdmatx, dma_tx_handle);
HAL_DMA_DeInit (&dma_tx_handle);
HAL_DMA_Init (&dma_tx_handle);
//}}}
HAL_NVIC_SetPriority (SDMMC1_IRQn, 5, 0);
HAL_NVIC_EnableIRQ (SDMMC1_IRQn);
HAL_NVIC_SetPriority (DMA2_Stream3_IRQn, 6, 0); // f for 769
HAL_NVIC_EnableIRQ (DMA2_Stream3_IRQn);
HAL_NVIC_SetPriority (DMA2_Stream6_IRQn, 6, 0); // f for 769
HAL_NVIC_EnableIRQ (DMA2_Stream6_IRQn);
#else
uSdHandle.Instance = SDMMC2;
__HAL_RCC_SDMMC2_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
__HAL_RCC_GPIOD_CLK_ENABLE();
__HAL_RCC_GPIOG_CLK_ENABLE();
//{{{ gpio init
gpio_init_structure.Mode = GPIO_MODE_AF_PP;
gpio_init_structure.Pull = GPIO_PULLUP;
gpio_init_structure.Speed = GPIO_SPEED_HIGH;
gpio_init_structure.Alternate = GPIO_AF10_SDMMC2;
gpio_init_structure.Pin = GPIO_PIN_3 | GPIO_PIN_4;
HAL_GPIO_Init (GPIOB, &gpio_init_structure);
gpio_init_structure.Alternate = GPIO_AF11_SDMMC2;
gpio_init_structure.Pin = GPIO_PIN_6 | GPIO_PIN_7;
HAL_GPIO_Init (GPIOD, &gpio_init_structure);
gpio_init_structure.Pin = GPIO_PIN_9 | GPIO_PIN_10;
HAL_GPIO_Init (GPIOG, &gpio_init_structure);
//}}}
//{{{ DMA rx parameters
dma_rx_handle.Instance = DMA2_Stream0;
dma_rx_handle.Init.Channel = DMA_CHANNEL_11;
dma_rx_handle.Init.Direction = DMA_PERIPH_TO_MEMORY;
dma_rx_handle.Init.PeriphInc = DMA_PINC_DISABLE;
dma_rx_handle.Init.MemInc = DMA_MINC_ENABLE;
dma_rx_handle.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
dma_rx_handle.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
dma_rx_handle.Init.Mode = DMA_PFCTRL;
dma_rx_handle.Init.Priority = DMA_PRIORITY_VERY_HIGH;
dma_rx_handle.Init.FIFOMode = DMA_FIFOMODE_ENABLE;
dma_rx_handle.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
dma_rx_handle.Init.MemBurst = DMA_MBURST_INC4;
dma_rx_handle.Init.PeriphBurst = DMA_PBURST_INC4;
__HAL_LINKDMA (&uSdHandle, hdmarx, dma_rx_handle);
HAL_DMA_DeInit (&dma_rx_handle);
HAL_DMA_Init (&dma_rx_handle);
//}}}
//{{{ DMA tx parameters
dma_tx_handle.Instance = DMA2_Stream5;
dma_tx_handle.Init.Channel = DMA_CHANNEL_11;
dma_tx_handle.Init.Direction = DMA_MEMORY_TO_PERIPH;
dma_tx_handle.Init.PeriphInc = DMA_PINC_DISABLE;
dma_tx_handle.Init.MemInc = DMA_MINC_ENABLE;
dma_tx_handle.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
dma_tx_handle.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
dma_tx_handle.Init.Mode = DMA_PFCTRL;
dma_tx_handle.Init.Priority = DMA_PRIORITY_VERY_HIGH;
dma_tx_handle.Init.FIFOMode = DMA_FIFOMODE_ENABLE;
dma_tx_handle.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
dma_tx_handle.Init.MemBurst = DMA_MBURST_INC4;
dma_tx_handle.Init.PeriphBurst = DMA_PBURST_INC4;
__HAL_LINKDMA (&uSdHandle, hdmatx, dma_tx_handle);
HAL_DMA_DeInit (&dma_tx_handle);
HAL_DMA_Init (&dma_tx_handle);
//}}}
HAL_NVIC_SetPriority (SDMMC2_IRQn, 0x5, 0); //e
HAL_NVIC_EnableIRQ (SDMMC2_IRQn);
HAL_NVIC_SetPriority (DMA2_Stream0_IRQn, 0x6, 0); //f
HAL_NVIC_EnableIRQ (DMA2_Stream0_IRQn);
HAL_NVIC_SetPriority (DMA2_Stream5_IRQn, 0x6, 0); // f
HAL_NVIC_EnableIRQ (DMA2_Stream5_IRQn);
#endif
// HAL SD initialization
if (HAL_SD_Init (&uSdHandle, &uSdCardInfo) != SD_OK)
return MSD_ERROR;
if (HAL_SD_WideBusOperation_Config (&uSdHandle, SDMMC_BUS_WIDE_4B) != SD_OK)
return MSD_ERROR;
if (HAL_SD_HighSpeed (&uSdHandle) != SD_OK)
return MSD_ERROR;
//osMutexDef (sdMutex);
//mSdMutex = osMutexCreate (osMutex (sdMutex));
mReadCache = (uint8_t*)pvPortMalloc (512 * mReadCacheSize);
return MSD_OK;
}
/**
* @brief Initializes the SD card device.
* @param SdCard: SD card to be used, that should be SD_CARD1 or SD_CARD2
* @retval SD status
*/
uint8_t BSP_SD_InitEx(uint32_t SdCard)
{
uint8_t sd_state = MSD_OK;
/* uSD device interface configuration */
if(SdCard == SD_CARD1)
{
uSdHandle.Instance = SDMMC1;
uSdHandle.Init.ClockEdge = SDMMC_CLOCK_EDGE_RISING;
uSdHandle.Init.ClockBypass = SDMMC_CLOCK_BYPASS_DISABLE;
uSdHandle.Init.ClockPowerSave = SDMMC_CLOCK_POWER_SAVE_DISABLE;
uSdHandle.Init.BusWide = SDMMC_BUS_WIDE_1B;
uSdHandle.Init.HardwareFlowControl = SDMMC_HARDWARE_FLOW_CONTROL_DISABLE;
uSdHandle.Init.ClockDiv = SDMMC_TRANSFER_CLK_DIV;
}
else
{
uSdHandle2.Instance = SDMMC2;
uSdHandle2.Init.ClockEdge = SDMMC_CLOCK_EDGE_RISING;
uSdHandle2.Init.ClockBypass = SDMMC_CLOCK_BYPASS_DISABLE;
uSdHandle2.Init.ClockPowerSave = SDMMC_CLOCK_POWER_SAVE_DISABLE;
uSdHandle2.Init.BusWide = SDMMC_BUS_WIDE_1B;
uSdHandle2.Init.HardwareFlowControl = SDMMC_HARDWARE_FLOW_CONTROL_DISABLE;
uSdHandle2.Init.ClockDiv = SDMMC_TRANSFER_CLK_DIV;
}
/* Initialize IO functionalities (MFX) used by SD detect pin */
BSP_IO_Init();
/* Check if the SD card is plugged in the slot */
if(SdCard == SD_CARD1)
{
BSP_IO_ConfigPin(SD1_DETECT_PIN, IO_MODE_INPUT_PU);
if(BSP_SD_IsDetectedEx(SD_CARD1) != SD_PRESENT)
{
return MSD_ERROR_SD_NOT_PRESENT;
}
/* Msp SD initialization */
BSP_SD_MspInit(&uSdHandle, NULL);
/* HAL SD initialization */
if(HAL_SD_Init(&uSdHandle, &uSdCardInfo) != SD_OK)
{
sd_state = MSD_ERROR;
}
}
else
{
BSP_IO_ConfigPin(SD2_DETECT_PIN, IO_MODE_INPUT_PU);
if(BSP_SD_IsDetectedEx(SD_CARD2) != SD_PRESENT)
{
return MSD_ERROR_SD_NOT_PRESENT;
}
/* Msp SD initialization */
BSP_SD_MspInit(&uSdHandle2, NULL);
/* HAL SD initialization */
if(HAL_SD_Init(&uSdHandle2, &uSdCardInfo) != SD_OK)
{
sd_state = MSD_ERROR;
}
}
/* Configure SD Bus width */
if(sd_state == MSD_OK)
{
if(SdCard == SD_CARD1)
{
/* Enable wide operation */
sd_state = HAL_SD_WideBusOperation_Config(&uSdHandle, SDMMC_BUS_WIDE_4B);
}
else
{
/* Enable wide operation */
sd_state = HAL_SD_WideBusOperation_Config(&uSdHandle2, SDMMC_BUS_WIDE_4B);
}
if(sd_state != SD_OK)
{
sd_state = MSD_ERROR;
}
else
{
sd_state = MSD_OK;
}
}
return sd_state;
}
/**
* @brief Initializes the SD card device.
* @param None
* @retval SD status
*/
uint8_t BSP_SD_Init(void) {
uint8_t SD_state = MSD_OK;
/* uSD device interface configuration */
#if defined(SDIO)
uSdHandle.Instance = SDIO;
uSdHandle.Init.ClockEdge = SDIO_CLOCK_EDGE_RISING;
uSdHandle.Init.ClockBypass = SDIO_CLOCK_BYPASS_DISABLE;
uSdHandle.Init.ClockPowerSave = SDIO_CLOCK_POWER_SAVE_DISABLE;
uSdHandle.Init.BusWide = SDIO_BUS_WIDE_1B;
uSdHandle.Init.HardwareFlowControl = SDIO_HARDWARE_FLOW_CONTROL_DISABLE;
uSdHandle.Init.ClockDiv = SDIO_TRANSFER_CLK_DIV;
#elif defined(SDMMC1)
uSdHandle.Instance = SDMMC1;
uSdHandle.Init.ClockEdge = SDMMC_CLOCK_EDGE_RISING;
uSdHandle.Init.ClockBypass = SDMMC_CLOCK_BYPASS_DISABLE;
uSdHandle.Init.ClockPowerSave = SDMMC_CLOCK_POWER_SAVE_DISABLE;
uSdHandle.Init.BusWide = SDMMC_BUS_WIDE_1B;
uSdHandle.Init.HardwareFlowControl = SDMMC_HARDWARE_FLOW_CONTROL_DISABLE;
uSdHandle.Init.ClockDiv = SDMMC_TRANSFER_CLK_DIV;
#else
#error "NOT SUPPORTED!"
#endif
/* Init GPIO, DMA and NVIC */
SD_MspInit();
/* Check if the SD card is plugged in the slot */
if (BSP_SD_IsDetected() != SD_PRESENT) {
return MSD_ERROR;
}
/* HAL SD initialization */
if (HAL_SD_Init(&uSdHandle, &uSdCardInfo) != SD_OK) {
SD_state = MSD_ERROR;
}
/* Configure SD Bus width */
if (SD_state == MSD_OK) {
/* Enable wide operation */
#if defined(SDIO_BUS_WIDE_4B)
#if FATFS_SDIO_4BIT == 1
if (HAL_SD_WideBusOperation_Config(&uSdHandle, SDIO_BUS_WIDE_4B) != SD_OK) {
#else
if (HAL_SD_WideBusOperation_Config(&uSdHandle, SDIO_BUS_WIDE_1B) != SD_OK) {
#endif
#else
#if FATFS_SDIO_4BIT == 1
if (HAL_SD_WideBusOperation_Config(&uSdHandle, SDMMC_BUS_WIDE_4B) != SD_OK) {
#else
if (HAL_SD_WideBusOperation_Config(&uSdHandle, SDMMC_BUS_WIDE_1B) != SD_OK) {
#endif
#endif
SD_state = MSD_ERROR;
} else {
SD_state = MSD_OK;
}
}
return SD_state;
}
/**
* @brief Detects if SD card is correctly plugged in the memory slot or not.
* @param None
* @retval Returns if SD is detected or not
*/
uint8_t BSP_SD_IsDetected(void) {
return SDCARD_IsDetected();
}
/**
* @brief Detects if SD card is write protected
* @param None
* @retval Returns if SD is write protected or not.
*/
uint8_t BSP_SD_IsWriteProtected(void) {
return !SDCARD_IsWriteEnabled();
}
/**
* @brief Reads block(s) from a specified address in an SD card, in polling mode.
* @param pData: Pointer to the buffer that will contain the data to transmit
* @param ReadAddr: Address from where data is to be read
* @param BlockSize: SD card data block size, that should be 512
* @param NumOfBlocks: Number of SD blocks to read
* @retval SD status
*/
uint8_t BSP_SD_ReadBlocks(uint32_t *pData, uint64_t ReadAddr, uint32_t BlockSize, uint32_t NumOfBlocks) {
if (HAL_SD_ReadBlocks(&uSdHandle, pData, ReadAddr, BlockSize, NumOfBlocks) != SD_OK) {
return MSD_ERROR;
}
return MSD_OK;
}
/**
* @brief Writes block(s) to a specified address in an SD card, in polling mode.
* @param pData: Pointer to the buffer that will contain the data to transmit
* @param WriteAddr: Address from where data is to be written
* @param BlockSize: SD card data block size, that should be 512
* @param NumOfBlocks: Number of SD blocks to write
* @retval SD status
*/
uint8_t BSP_SD_WriteBlocks(uint32_t *pData, uint64_t WriteAddr, uint32_t BlockSize, uint32_t NumOfBlocks) {
if (HAL_SD_WriteBlocks(&uSdHandle, pData, WriteAddr, BlockSize, NumOfBlocks) != SD_OK) {
return MSD_ERROR;
}
return MSD_OK;
}
/**
* @brief Reads block(s) from a specified address in an SD card, in DMA mode.
* @param pData: Pointer to the buffer that will contain the data to transmit
* @param ReadAddr: Address from where data is to be read
* @param BlockSize: SD card data block size, that should be 512
* @param NumOfBlocks: Number of SD blocks to read
* @retval SD status
*/
uint8_t BSP_SD_ReadBlocks_DMA(uint32_t *pData, uint64_t ReadAddr, uint32_t BlockSize, uint32_t NumOfBlocks) {
uint8_t SD_state = MSD_OK;
/* Read block(s) in DMA transfer mode */
if (HAL_SD_ReadBlocks_DMA(&uSdHandle, pData, ReadAddr, BlockSize, NumOfBlocks) != SD_OK) {
SD_state = MSD_ERROR;
}
/* Wait until transfer is complete */
if (SD_state == MSD_OK) {
if (HAL_SD_CheckReadOperation(&uSdHandle, (uint32_t)SD_DATATIMEOUT) != SD_OK) {
SD_state = MSD_ERROR;
} else {
SD_state = MSD_OK;
}
}
return SD_state;
}
/**
* @brief Writes block(s) to a specified address in an SD card, in DMA mode.
* @param pData: Pointer to the buffer that will contain the data to transmit
* @param WriteAddr: Address from where data is to be written
* @param BlockSize: SD card data block size, that should be 512
* @param NumOfBlocks: Number of SD blocks to write
* @retval SD status
*/
uint8_t BSP_SD_WriteBlocks_DMA(uint32_t *pData, uint64_t WriteAddr, uint32_t BlockSize, uint32_t NumOfBlocks) {
uint8_t SD_state = MSD_OK;
/* Write block(s) in DMA transfer mode */
if (HAL_SD_WriteBlocks_DMA(&uSdHandle, pData, WriteAddr, BlockSize, NumOfBlocks) != SD_OK) {
SD_state = MSD_ERROR;
}
/* Wait until transfer is complete */
if (SD_state == MSD_OK) {
if(HAL_SD_CheckWriteOperation(&uSdHandle, (uint32_t)SD_DATATIMEOUT) != SD_OK) {
SD_state = MSD_ERROR;
} else {
SD_state = MSD_OK;
}
}
return SD_state;
}
/**
* @brief Erases the specified memory area of the given SD card.
* @param StartAddr: Start byte address
* @param EndAddr: End byte address
* @retval SD status
*/
uint8_t BSP_SD_Erase(uint64_t StartAddr, uint64_t EndAddr) {
if (HAL_SD_Erase(&uSdHandle, StartAddr, EndAddr) != SD_OK) {
return MSD_ERROR;
}
return MSD_OK;
}
/**
* @brief Initializes the SD MSP.
* @param None
* @retval None
*/
static void SD_MspInit(void) {
static DMA_HandleTypeDef dmaRxHandle;
static DMA_HandleTypeDef dmaTxHandle;
SD_HandleTypeDef *hsd = &uSdHandle;
uint16_t gpio_af;
/* Get GPIO alternate function */
#if defined(GPIO_AF12_SDIO)
gpio_af = GPIO_AF12_SDIO;
#endif
#if defined(GPIO_AF12_SDMMC1)
gpio_af = GPIO_AF12_SDMMC1;
#endif
/* Enable SDIO clock */
__HAL_RCC_SDIO_CLK_ENABLE();
/* Enable DMA2 clocks */
__DMAx_TxRx_CLK_ENABLE();
/* Detect pin, write protect pin */
#if FATFS_USE_DETECT_PIN > 0
TM_GPIO_Init(FATFS_DETECT_PORT, FATFS_DETECT_PIN, TM_GPIO_Mode_IN, TM_GPIO_OType_PP, TM_GPIO_PuPd_UP, TM_GPIO_Speed_Low);
#endif
#if FATFS_USE_WRITEPROTECT_PIN > 0
TM_GPIO_Init(FATFS_WRITEPROTECT_PORT, FATFS_WRITEPROTECT_PIN, TM_GPIO_Mode_IN, TM_GPIO_OType_PP, TM_GPIO_PuPd_UP, TM_GPIO_Speed_Low);
#endif
/* SDIO/SDMMC pins */
#if FATFS_SDIO_4BIT == 1
TM_GPIO_InitAlternate(GPIOC, GPIO_PIN_8 | GPIO_PIN_9 | GPIO_PIN_10 | GPIO_PIN_11 | GPIO_PIN_12, TM_GPIO_OType_PP, TM_GPIO_PuPd_UP, TM_GPIO_Speed_Fast, gpio_af);
#else
TM_GPIO_InitAlternate(GPIOC, GPIO_PIN_8 | GPIO_PIN_12, TM_GPIO_OType_PP, TM_GPIO_PuPd_UP, TM_GPIO_Speed_Fast, gpio_af);
#endif
TM_GPIO_InitAlternate(GPIOD, GPIO_PIN_2, TM_GPIO_OType_PP, TM_GPIO_PuPd_UP, TM_GPIO_Speed_Fast, gpio_af);
/* NVIC configuration for SDIO interrupts */
HAL_NVIC_SetPriority(SDIO_IRQn, 5, 0);
HAL_NVIC_EnableIRQ(SDIO_IRQn);
/* Configure DMA Rx parameters */
dmaRxHandle.Init.Channel = SD_DMAx_Rx_CHANNEL;
dmaRxHandle.Init.Direction = DMA_PERIPH_TO_MEMORY;
dmaRxHandle.Init.PeriphInc = DMA_PINC_DISABLE;
dmaRxHandle.Init.MemInc = DMA_MINC_ENABLE;
dmaRxHandle.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
dmaRxHandle.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
dmaRxHandle.Init.Mode = DMA_PFCTRL;
dmaRxHandle.Init.Priority = DMA_PRIORITY_VERY_HIGH;
dmaRxHandle.Init.FIFOMode = DMA_FIFOMODE_ENABLE;
dmaRxHandle.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
dmaRxHandle.Init.MemBurst = DMA_MBURST_INC4;
dmaRxHandle.Init.PeriphBurst = DMA_PBURST_INC4;
dmaRxHandle.Instance = SD_DMAx_Rx_STREAM;
/* Associate the DMA handle */
__HAL_LINKDMA(hsd, hdmarx, dmaRxHandle);
/* Deinitialize the stream for new transfer */
HAL_DMA_DeInit(&dmaRxHandle);
/* Configure the DMA stream */
HAL_DMA_Init(&dmaRxHandle);
/* Configure DMA Tx parameters */
dmaTxHandle.Init.Channel = SD_DMAx_Tx_CHANNEL;
dmaTxHandle.Init.Direction = DMA_MEMORY_TO_PERIPH;
dmaTxHandle.Init.PeriphInc = DMA_PINC_DISABLE;
dmaTxHandle.Init.MemInc = DMA_MINC_ENABLE;
dmaTxHandle.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
dmaTxHandle.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
dmaTxHandle.Init.Mode = DMA_PFCTRL;
dmaTxHandle.Init.Priority = DMA_PRIORITY_VERY_HIGH;
dmaTxHandle.Init.FIFOMode = DMA_FIFOMODE_ENABLE;
dmaTxHandle.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
dmaTxHandle.Init.MemBurst = DMA_MBURST_INC4;
dmaTxHandle.Init.PeriphBurst = DMA_PBURST_INC4;
dmaTxHandle.Instance = SD_DMAx_Tx_STREAM;
/* Associate the DMA handle */
__HAL_LINKDMA(hsd, hdmatx, dmaTxHandle);
/* Deinitialize the stream for new transfer */
HAL_DMA_DeInit(&dmaTxHandle);
/* Configure the DMA stream */
HAL_DMA_Init(&dmaTxHandle);
/* NVIC configuration for DMA transfer complete interrupt */
HAL_NVIC_SetPriority(SD_DMAx_Rx_IRQn, 6, 0);
HAL_NVIC_EnableIRQ(SD_DMAx_Rx_IRQn);
/* NVIC configuration for DMA transfer complete interrupt */
HAL_NVIC_SetPriority(SD_DMAx_Tx_IRQn, 6, 0);
HAL_NVIC_EnableIRQ(SD_DMAx_Tx_IRQn);
}
/**
* @brief Get SD information about specific SD card.
* @param CardInfo: Pointer to HAL_SD_CardInfoTypedef structure
* @retval None
*/
void BSP_SD_GetCardInfo(HAL_SD_CardInfoTypedef *CardInfo) {
/* Get SD card Information */
HAL_SD_Get_CardInfo(&uSdHandle, CardInfo);
}
bool sdInit() {
/* Enable SDIO clock */
__HAL_RCC_SDIO_CLK_ENABLE();
/* Enable DMA2 clocks */
SD_DMAx_TxRx_CLK_ENABLE();
/* Enable GPIOs clock */
__GPIOC_CLK_ENABLE(); // sd data lines PC8..PC12
__GPIOD_CLK_ENABLE(); // cmd line D2
__GPIOB_CLK_ENABLE(); // pin detect
/* Common GPIO configuration */
GPIO_InitTypeDef GPIO_Init_Structure = { 0 };
GPIO_Init_Structure.Mode = GPIO_MODE_AF_PP;
GPIO_Init_Structure.Pull = GPIO_PULLUP;
GPIO_Init_Structure.Speed = GPIO_SPEED_FREQ_HIGH;
GPIO_Init_Structure.Alternate = GPIO_AF12_SDIO;
/* GPIOC configuration */
GPIO_Init_Structure.Pin = GPIO_PIN_8 | GPIO_PIN_9 | GPIO_PIN_10 | GPIO_PIN_11 | GPIO_PIN_12;
HAL_GPIO_Init(GPIOC, &GPIO_Init_Structure);
/* GPIOD configuration */
GPIO_Init_Structure.Pin = GPIO_PIN_2;
HAL_GPIO_Init(GPIOD, &GPIO_Init_Structure);
/* SD Card detect pin configuration */
GPIO_Init_Structure.Mode = GPIO_MODE_INPUT;
GPIO_Init_Structure.Pull = GPIO_PULLUP;
GPIO_Init_Structure.Speed = GPIO_SPEED_LOW;
GPIO_Init_Structure.Pin = 8;
HAL_GPIO_Init(GPIOB, &GPIO_Init_Structure);
/* Initialize SD interface
* Note HW flow control must be disabled on STM32f415 due to hardware glitches on the SDIOCLK
* line. See errata:
*
* "When enabling the HW flow control by setting bit 14 of the SDIO_CLKCR register to ‘1’,
* glitches can occur on the SDIOCLK output clock resulting in wrong data to be written
* into the SD/MMC card or into the SDIO device. As a consequence, a CRC error will be
* reported to the SD/SDIO MMC host interface (DCRCFAIL bit set to ‘1’ in SDIO_STA register)."
**/
uSdHandle.Instance = SDIO;
uSdHandle.Init.ClockEdge = SDIO_CLOCK_EDGE_RISING;
uSdHandle.Init.ClockBypass = SDIO_CLOCK_BYPASS_DISABLE;
uSdHandle.Init.ClockPowerSave = SDIO_CLOCK_POWER_SAVE_DISABLE;
uSdHandle.Init.BusWide = SDIO_BUS_WIDE_1B;
uSdHandle.Init.HardwareFlowControl = SDIO_HARDWARE_FLOW_CONTROL_DISABLE;
uSdHandle.Init.ClockDiv = SDIO_TRANSFER_CLK_DIV;
HAL_SD_ErrorTypedef status;
if ((status = HAL_SD_Init(&uSdHandle, &uSdCardInfo)) != SD_OK) {
error("Failed to init sd: status=%d\n", status);
return false;
}
if ((status = HAL_SD_WideBusOperation_Config(&uSdHandle, SDIO_BUS_WIDE_4B)) != SD_OK) {
error("Failed to init wide bus mode, status=%d\n", status);
return false;
}
/* NVIC configuration for SDIO interrupts */
HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);
HAL_NVIC_SetPriority(SDIO_IRQn, SD_NVIC_PRIORITY, 0);
HAL_NVIC_EnableIRQ(SDIO_IRQn);
// try high speed mode
if ((status = HAL_SD_HighSpeed(&uSdHandle)) != SD_OK) {
error("Failed to set high speed mode, status=%d\n", status);
MatchBox::blinkOfDeath(*led, (MatchBox::BlinkCode) SDIO_HS_MODE);
}
return true;
}