Fix and add STM32 SDIO DMA (#21476)
This commit is contained in:
		@@ -36,9 +36,10 @@
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  // use USB drivers
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  extern "C" { int8_t SD_MSC_Read(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len);
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               int8_t SD_MSC_Write(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len);
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               extern SD_HandleTypeDef hsd;
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  extern "C" {
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    int8_t SD_MSC_Read(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len);
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    int8_t SD_MSC_Write(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len);
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    extern SD_HandleTypeDef hsd;
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  }
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  bool SDIO_Init() {
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@@ -75,7 +76,18 @@
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    #error "ERROR - Only STM32F103xE, STM32F103xG, STM32F4xx or STM32F7xx CPUs supported"
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  #endif
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  // Fixed
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  #define SDIO_D0_PIN   PC8
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  #define SDIO_D1_PIN   PC9
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  #define SDIO_D2_PIN   PC10
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  #define SDIO_D3_PIN   PC11
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  #define SDIO_CK_PIN   PC12
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  #define SDIO_CMD_PIN  PD2
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  SD_HandleTypeDef hsd;  // create SDIO structure
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  // F4 support one dma for RX and another for TX.
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  // But Marlin will never do read and write at same time, so we use always one dma for both.
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  DMA_HandleTypeDef hdma_sdio;
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  /*
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    SDIO_INIT_CLK_DIV is 118
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@@ -96,12 +108,12 @@
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  // Target Clock, configurable. Default is 18MHz, from STM32F1
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  #ifndef SDIO_CLOCK
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    #define SDIO_CLOCK                         18000000       /* 18 MHz */
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    #define SDIO_CLOCK 18000000 // 18 MHz
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  #endif
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  // SDIO retries, configurable. Default is 3, from STM32F1
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  #ifndef SDIO_READ_RETRIES
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    #define SDIO_READ_RETRIES                  3
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    #define SDIO_READ_RETRIES 3
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  #endif
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  // SDIO Max Clock (naming from STM Manual, don't change)
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@@ -120,24 +132,21 @@
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  }
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  void go_to_transfer_speed() {
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    SD_InitTypeDef Init;
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    /* Default SDIO peripheral configuration for SD card initialization */
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    Init.ClockEdge           = hsd.Init.ClockEdge;
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    Init.ClockBypass         = hsd.Init.ClockBypass;
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    Init.ClockPowerSave      = hsd.Init.ClockPowerSave;
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    Init.BusWide             = hsd.Init.BusWide;
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    Init.HardwareFlowControl = hsd.Init.HardwareFlowControl;
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    Init.ClockDiv            = clock_to_divider(SDIO_CLOCK);
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    hsd.Init.ClockEdge           = hsd.Init.ClockEdge;
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    hsd.Init.ClockBypass         = hsd.Init.ClockBypass;
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    hsd.Init.ClockPowerSave      = hsd.Init.ClockPowerSave;
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    hsd.Init.BusWide             = hsd.Init.BusWide;
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    hsd.Init.HardwareFlowControl = hsd.Init.HardwareFlowControl;
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    hsd.Init.ClockDiv            = clock_to_divider(SDIO_CLOCK);
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    /* Initialize SDIO peripheral interface with default configuration */
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    SDIO_Init(hsd.Instance, Init);
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    SDIO_Init(hsd.Instance, hsd.Init);
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  }
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  void SD_LowLevel_Init(void) {
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    uint32_t tempreg;
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    __HAL_RCC_SDIO_CLK_ENABLE();
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    __HAL_RCC_GPIOC_CLK_ENABLE(); //enable GPIO clocks
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    __HAL_RCC_GPIOD_CLK_ENABLE(); //enable GPIO clocks
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@@ -163,11 +172,45 @@
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    GPIO_InitStruct.Pin = GPIO_PIN_2;
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    HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
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    #if DISABLED(STM32F1xx)
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      // TODO: use __HAL_RCC_SDIO_RELEASE_RESET() and __HAL_RCC_SDIO_CLK_ENABLE();
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      RCC->APB2RSTR &= ~RCC_APB2RSTR_SDIORST_Msk;  // take SDIO out of reset
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      RCC->APB2ENR  |=  RCC_APB2RSTR_SDIORST_Msk;  // enable SDIO clock
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      // Enable the DMA2 Clock
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    // Setup DMA
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    #if defined(STM32F1xx)
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      hdma_sdio.Init.Mode = DMA_NORMAL;
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      hdma_sdio.Instance = DMA2_Channel4;
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      HAL_NVIC_EnableIRQ(DMA2_Channel4_5_IRQn);
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    #elif defined(STM32F4xx)
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      hdma_sdio.Init.Mode = DMA_PFCTRL;
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      hdma_sdio.Instance = DMA2_Stream3;
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      hdma_sdio.Init.Channel = DMA_CHANNEL_4;
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      hdma_sdio.Init.FIFOMode = DMA_FIFOMODE_ENABLE;
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      hdma_sdio.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
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      hdma_sdio.Init.MemBurst = DMA_MBURST_INC4;
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      hdma_sdio.Init.PeriphBurst = DMA_PBURST_INC4;
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      HAL_NVIC_EnableIRQ(DMA2_Stream3_IRQn);
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    #endif
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    HAL_NVIC_EnableIRQ(SDIO_IRQn);
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    hdma_sdio.Init.PeriphInc = DMA_PINC_DISABLE;
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    hdma_sdio.Init.MemInc = DMA_MINC_ENABLE;
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    hdma_sdio.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
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    hdma_sdio.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
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    hdma_sdio.Init.Priority = DMA_PRIORITY_LOW;
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    __HAL_LINKDMA(&hsd, hdmarx, hdma_sdio);
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    __HAL_LINKDMA(&hsd, hdmatx, hdma_sdio);
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    #if defined(STM32F1xx)
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      __HAL_RCC_SDIO_CLK_ENABLE();
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      __HAL_RCC_DMA2_CLK_ENABLE();
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    #else
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      __HAL_RCC_SDIO_FORCE_RESET();
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      delay(2);
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      __HAL_RCC_SDIO_RELEASE_RESET();
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      delay(2);
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      __HAL_RCC_SDIO_CLK_ENABLE();
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      __HAL_RCC_DMA2_FORCE_RESET();
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      delay(2);
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      __HAL_RCC_DMA2_RELEASE_RESET();
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      delay(2);
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      __HAL_RCC_DMA2_CLK_ENABLE();
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    #endif
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    //Initialize the SDIO (with initial <400Khz Clock)
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@@ -179,6 +222,7 @@
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    // Power up the SDIO
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    SDIO_PowerState_ON(SDIO);
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    hsd.Instance = SDIO;
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  }
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  void HAL_SD_MspInit(SD_HandleTypeDef *hsd) { // application specific init
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@@ -222,107 +266,82 @@
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          if (!status) break;
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          if (!--retry_Cnt) return false;   // return failing status if retries are exhausted
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        }
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        go_to_transfer_speed();
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      }
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    #endif
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    return true;
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  }
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  /*
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  void init_SDIO_pins(void) {
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    GPIO_InitTypeDef GPIO_InitStruct = {0};
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    // SDIO GPIO Configuration
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    // PC8     ------> SDIO_D0
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    // PC12    ------> SDIO_CK
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    // PD2     ------> SDIO_CMD
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  static bool SDIO_ReadWriteBlock_DMA(uint32_t block, const uint8_t *src, uint8_t *dst) {
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    if(HAL_SD_GetCardState(&hsd) != HAL_SD_CARD_TRANSFER) return false;
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    GPIO_InitStruct.Pin = GPIO_PIN_8;
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    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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    GPIO_InitStruct.Pull = GPIO_NOPULL;
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    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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    GPIO_InitStruct.Alternate = GPIO_AF12_SDIO;
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    HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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    TERN_(USE_WATCHDOG, HAL_watchdog_refresh());
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    GPIO_InitStruct.Pin = GPIO_PIN_12;
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    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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    GPIO_InitStruct.Pull = GPIO_NOPULL;
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    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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    GPIO_InitStruct.Alternate = GPIO_AF12_SDIO;
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    HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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    GPIO_InitStruct.Pin = GPIO_PIN_2;
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    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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    GPIO_InitStruct.Pull = GPIO_NOPULL;
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    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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    GPIO_InitStruct.Alternate = GPIO_AF12_SDIO;
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    HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
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  }
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  */
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  //bool SDIO_init() { return (bool) (SD_SDIO_Init() ? 1 : 0);}
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  //bool SDIO_Init_C() { return (bool) (SD_SDIO_Init() ? 1 : 0);}
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  bool SDIO_ReadBlock(uint32_t block, uint8_t *dst) {
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    hsd.Instance = SDIO;
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    uint8_t retryCnt = SDIO_READ_RETRIES;
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    bool status;
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    for (;;) {
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      TERN_(USE_WATCHDOG, HAL_watchdog_refresh());
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      status = (bool) HAL_SD_ReadBlocks(&hsd, (uint8_t*)dst, block, 1, 1000);  // read one 512 byte block with 500mS timeout
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      status |= (bool) HAL_SD_GetCardState(&hsd);     // make sure all is OK
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      if (!status) break;       // return passing status
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      if (!--retryCnt) break;   // return failing status if retries are exhausted
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    HAL_StatusTypeDef ret;
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    if (src) {
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      hdma_sdio.Init.Direction = DMA_MEMORY_TO_PERIPH;
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      HAL_DMA_Init(&hdma_sdio);
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      ret = HAL_SD_WriteBlocks_DMA(&hsd, (uint8_t *)src, block, 1);
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    }
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    else {
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      hdma_sdio.Init.Direction = DMA_PERIPH_TO_MEMORY;
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      HAL_DMA_Init(&hdma_sdio);
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      ret = HAL_SD_ReadBlocks_DMA(&hsd, (uint8_t *)dst, block, 1);
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    }
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    return status;
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    /*
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    return (bool) ((status_read | status_card) ? 1 : 0);
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    if (SDIO_GetCardState() != SDIO_CARD_TRANSFER) return false;
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    if (blockAddress >= SdCard.LogBlockNbr) return false;
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    if ((0x03 & (uint32_t)data)) return false; // misaligned data
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    if (SdCard.CardType != CARD_SDHC_SDXC) { blockAddress *= 512U; }
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    if (!SDIO_CmdReadSingleBlock(blockAddress)) {
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      SDIO_CLEAR_FLAG(SDIO_ICR_CMD_FLAGS);
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      dma_disable(SDIO_DMA_DEV, SDIO_DMA_CHANNEL);
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    if (ret != HAL_OK) {
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      HAL_DMA_Abort_IT(&hdma_sdio);
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      HAL_DMA_DeInit(&hdma_sdio);
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      return false;
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    }
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    while (!SDIO_GET_FLAG(SDIO_STA_DATAEND | SDIO_STA_TRX_ERROR_FLAGS)) {}
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    dma_disable(SDIO_DMA_DEV, SDIO_DMA_CHANNEL);
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    if (SDIO->STA & SDIO_STA_RXDAVL) {
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      while (SDIO->STA & SDIO_STA_RXDAVL) (void)SDIO->FIFO;
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      SDIO_CLEAR_FLAG(SDIO_ICR_CMD_FLAGS | SDIO_ICR_DATA_FLAGS);
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      return false;
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    uint32_t timeout = millis() + 500;
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    // Wait the transfer
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    while (hsd.State != HAL_SD_STATE_READY) {
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      if (millis() > timeout) {
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        HAL_DMA_Abort_IT(&hdma_sdio);
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        HAL_DMA_DeInit(&hdma_sdio);
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        return false;
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      }
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    }
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    if (SDIO_GET_FLAG(SDIO_STA_TRX_ERROR_FLAGS)) {
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      SDIO_CLEAR_FLAG(SDIO_ICR_CMD_FLAGS | SDIO_ICR_DATA_FLAGS);
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      return false;
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    }
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    SDIO_CLEAR_FLAG(SDIO_ICR_CMD_FLAGS | SDIO_ICR_DATA_FLAGS);
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    */
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    while (__HAL_DMA_GET_FLAG(&hdma_sdio, __HAL_DMA_GET_TC_FLAG_INDEX(&hdma_sdio)) != 0
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        || __HAL_DMA_GET_FLAG(&hdma_sdio, __HAL_DMA_GET_TE_FLAG_INDEX(&hdma_sdio)) != 0) { /* nada */ }
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    HAL_DMA_Abort_IT(&hdma_sdio);
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    HAL_DMA_DeInit(&hdma_sdio);
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    timeout = millis() + 500;
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    while (HAL_SD_GetCardState(&hsd) != HAL_SD_CARD_TRANSFER)
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      if (millis() > timeout) return false;
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    return true;
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  }
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  bool SDIO_WriteBlock(uint32_t block, const uint8_t *src) {
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    hsd.Instance = SDIO;
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    uint8_t retryCnt = SDIO_READ_RETRIES;
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    bool status;
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    for (;;) {
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      status = (bool) HAL_SD_WriteBlocks(&hsd, (uint8_t*)src, block, 1, 500);  // write one 512 byte block with 500mS timeout
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      status |= (bool) HAL_SD_GetCardState(&hsd);     // make sure all is OK
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      if (!status) break;       // return passing status
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      if (!--retryCnt) break;   // return failing status if retries are exhausted
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    }
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    return status;
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  bool SDIO_ReadBlock(uint32_t block, uint8_t *dst) {
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    uint8_t retries = SDIO_READ_RETRIES;
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    while (retries--) if (SDIO_ReadWriteBlock_DMA(block, NULL, dst)) return true;
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    return false;
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  }
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  bool SDIO_WriteBlock(uint32_t block, const uint8_t *src) {
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    uint8_t retries = SDIO_READ_RETRIES;
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    while (retries--) if (SDIO_ReadWriteBlock_DMA(block, src, NULL)) return true;
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    return false;
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  }
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  #if defined(STM32F1xx)
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    #define DMA_IRQ_HANDLER DMA2_Channel4_5_IRQHandler
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  #elif defined(STM32F4xx)
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    #define DMA_IRQ_HANDLER DMA2_Stream3_IRQHandler
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  #else
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    #error "Unknown STM32 architecture."
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  #endif
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  extern "C" void SDIO_IRQHandler(void) { HAL_SD_IRQHandler(&hsd); }
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  extern "C" void DMA_IRQ_HANDLER(void) { HAL_DMA_IRQHandler(&hdma_sdio); }
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#endif // !USBD_USE_CDC_COMPOSITE
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#endif // SDIO_SUPPORT
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#endif // ARDUINO_ARCH_STM32 && !STM32GENERIC
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