Cleanup cubemx files

lib/SCSI2SD/STM32CubeMX/2020c.diff

@@ -1,132 +1,3 @@
-diff --git a/STM32CubeMX/2020c/Drivers/STM32F2xx_HAL_Driver/Src/stm32f2xx_hal_sd.c b/STM32CubeMX/2020c/Drivers/STM32F2xx_HAL_Driver/Src/stm32f2xx_hal_sd.c
-index 569c8b1..cd27bd7 100644
---- a/STM32CubeMX/2020c/Drivers/STM32F2xx_HAL_Driver/Src/stm32f2xx_hal_sd.c
-+++ b/STM32CubeMX/2020c/Drivers/STM32F2xx_HAL_Driver/Src/stm32f2xx_hal_sd.c
-@@ -430,6 +430,10 @@ HAL_StatusTypeDef HAL_SD_InitCard(SD_HandleTypeDef *hsd)
-   /* Enable SDIO Clock */
-   __HAL_SD_ENABLE(hsd);
- 
-+  /* 1ms: required power up waiting time before starting the SD initialization 
-+     sequence */
-+  HAL_Delay(1);
-+
-   /* Identify card operating voltage */
-   errorstate = SD_PowerON(hsd);
-   if(errorstate != HAL_SD_ERROR_NONE)
-@@ -1227,22 +1231,22 @@ HAL_StatusTypeDef HAL_SD_ReadBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData, u
-     else
-     {
-       /* Enable SD DMA transfer */
--      __HAL_SD_DMA_ENABLE(hsd);
-+      // MM disabled, as this fails on fast cards. __HAL_SD_DMA_ENABLE(hsd);
- 
-       if(hsd->SdCard.CardType != CARD_SDHC_SDXC)
-       {
-         add *= 512U;
--      }
- 
--      /* Set Block Size for Card */
--      errorstate = SDMMC_CmdBlockLength(hsd->Instance, BLOCKSIZE);
--      if(errorstate != HAL_SD_ERROR_NONE)
--      {
--        /* Clear all the static flags */
--        __HAL_SD_CLEAR_FLAG(hsd, SDIO_STATIC_FLAGS);
--        hsd->ErrorCode |= errorstate;
--        hsd->State = HAL_SD_STATE_READY;
--        return HAL_ERROR;
-+        /* Set Block Size for Card */
-+        errorstate = SDMMC_CmdBlockLength(hsd->Instance, BLOCKSIZE);
-+        if(errorstate != HAL_SD_ERROR_NONE)
-+        {
-+          /* Clear all the static flags */
-+          __HAL_SD_CLEAR_FLAG(hsd, SDIO_STATIC_FLAGS);
-+          hsd->ErrorCode |= errorstate;
-+          hsd->State = HAL_SD_STATE_READY;
-+          return HAL_ERROR;
-+        }
-       }
- 
-       /* Configure the SD DPSM (Data Path State Machine) */
-@@ -1252,6 +1256,11 @@ HAL_StatusTypeDef HAL_SD_ReadBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData, u
-       config.TransferDir   = SDIO_TRANSFER_DIR_TO_SDIO;
-       config.TransferMode  = SDIO_TRANSFER_MODE_BLOCK;
-       config.DPSM          = SDIO_DPSM_ENABLE;
-+
-+      // We cannot enable DMA too early on UHS-I class 3 SD cards, or else the
-+      // data is just discarded before the dpsm is started.
-+      __HAL_SD_DMA_ENABLE(hsd);
-+
-       (void)SDIO_ConfigData(hsd->Instance, &config);
- 
-       /* Read Blocks in DMA mode */
-@@ -1343,17 +1352,17 @@ HAL_StatusTypeDef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData,
-     if(hsd->SdCard.CardType != CARD_SDHC_SDXC)
-     {
-       add *= 512U;
--    }
- 
--    /* Set Block Size for Card */
--    errorstate = SDMMC_CmdBlockLength(hsd->Instance, BLOCKSIZE);
--    if(errorstate != HAL_SD_ERROR_NONE)
--    {
--      /* Clear all the static flags */
--      __HAL_SD_CLEAR_FLAG(hsd, SDIO_STATIC_FLAGS);
--      hsd->ErrorCode |= errorstate;
--      hsd->State = HAL_SD_STATE_READY;
--      return HAL_ERROR;
-+      /* Set Block Size for Card */
-+      errorstate = SDMMC_CmdBlockLength(hsd->Instance, BLOCKSIZE);
-+      if(errorstate != HAL_SD_ERROR_NONE)
-+      {
-+        /* Clear all the static flags */
-+        __HAL_SD_CLEAR_FLAG(hsd, SDIO_STATIC_FLAGS);
-+        hsd->ErrorCode |= errorstate;
-+        hsd->State = HAL_SD_STATE_READY;
-+        return HAL_ERROR;
-+      }
-     }
- 
-     /* Write Blocks in Polling mode */
-@@ -1361,6 +1370,18 @@ HAL_StatusTypeDef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData,
-     {
-       hsd->Context = (SD_CONTEXT_WRITE_MULTIPLE_BLOCK | SD_CONTEXT_DMA);
- 
-+      /* MM: Prepare for write */
-+/* TODO
-+      SDMMC_CmdAppCommand(hsd->Instance, (uint32_t)(hsd->RCA << 16));
-+      SDIO_CmdInitTypeDef  mm_cmdinit;
-+      mm_cmdinit.Argument         = (uint32_t)NumberOfBlocks;
-+      mm_cmdinit.CmdIndex         = SDMMC_CMD_SET_BLOCK_COUNT;
-+      mm_cmdinit.Response         = SDIO_RESPONSE_SHORT;
-+      mm_cmdinit.WaitForInterrupt = SDIO_WAIT_NO;
-+      mm_cmdinit.CPSM             = SDIO_CPSM_ENABLE;
-+      (void)SDIO_SendCommand(hsd->Instance, &mm_cmdinit);
-+      SDMMC_GetCmdResp1(hsd->Instance, SDMMC_CMD_SET_BLOCK_COUNT, SDIO_CMDTIMEOUT);*/
-+
-       /* Write Multi Block command */
-       errorstate = SDMMC_CmdWriteMultiBlock(hsd->Instance, add);
-     }
-@@ -1382,7 +1403,7 @@ HAL_StatusTypeDef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData,
-     }
- 
-     /* Enable SDIO DMA transfer */
--    __HAL_SD_DMA_ENABLE(hsd);
-+    // MM disabled, as this fails on fast cards. __HAL_SD_DMA_ENABLE(hsd);
- 
-     /* Enable the DMA Channel */
-     if(HAL_DMA_Start_IT(hsd->hdmatx, (uint32_t)pData, (uint32_t)&hsd->Instance->FIFO, (uint32_t)(BLOCKSIZE * NumberOfBlocks)/4U) != HAL_OK)
-@@ -1403,6 +1424,11 @@ HAL_StatusTypeDef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData,
-       config.TransferDir   = SDIO_TRANSFER_DIR_TO_CARD;
-       config.TransferMode  = SDIO_TRANSFER_MODE_BLOCK;
-       config.DPSM          = SDIO_DPSM_ENABLE;
-+
-+      // We cannot enable DMA too early on UHS-I class 3 SD cards, or else the
-+      // data is just discarded before the dpsm is started.
-+      __HAL_SD_DMA_ENABLE();
-+
-       (void)SDIO_ConfigData(hsd->Instance, &config);
- 
-       return HAL_OK;
 diff --git a/STM32CubeMX/2020c/Src/fsmc.c b/STM32CubeMX/2020c/Src/fsmc.c
 index 03a1b12..1b01446 100644
 --- a/STM32CubeMX/2020c/Src/fsmc.c
@@ -245,3 +116,192 @@ index eee1fd8..9567a95 100644
    }
    return USBD_OK;
  }
+diff --git a/STM32CubeMX/2020c/Drivers/STM32F2xx_HAL_Driver/Inc/stm32f2xx_ll_sdmmc.h b/STM32CubeMX/2020c/Drivers/STM32F2xx_HAL_Driver/Inc/stm32f2xx_ll_sdmmc.h
+index c966c906..9d709100 100644
+--- a/STM32CubeMX/2020c/Drivers/STM32F2xx_HAL_Driver/Inc/stm32f2xx_ll_sdmmc.h
++++ b/STM32CubeMX/2020c/Drivers/STM32F2xx_HAL_Driver/Inc/stm32f2xx_ll_sdmmc.h
+@@ -1074,6 +1074,7 @@ uint32_t SDMMC_CmdReadSingleBlock(SDIO_TypeDef *SDIOx, uint32_t ReadAdd);
+ uint32_t SDMMC_CmdReadMultiBlock(SDIO_TypeDef *SDIOx, uint32_t ReadAdd);
+ uint32_t SDMMC_CmdWriteSingleBlock(SDIO_TypeDef *SDIOx, uint32_t WriteAdd);
+ uint32_t SDMMC_CmdWriteMultiBlock(SDIO_TypeDef *SDIOx, uint32_t WriteAdd);
++uint32_t SDMMC_CmdSetBlockCount(SDIO_TypeDef *SDIOx, uint32_t appCmdArg, uint32_t blockCount);
+ uint32_t SDMMC_CmdEraseStartAdd(SDIO_TypeDef *SDIOx, uint32_t StartAdd);
+ uint32_t SDMMC_CmdSDEraseStartAdd(SDIO_TypeDef *SDIOx, uint32_t StartAdd);
+ uint32_t SDMMC_CmdEraseEndAdd(SDIO_TypeDef *SDIOx, uint32_t EndAdd);
+diff --git a/STM32CubeMX/2020c/Drivers/STM32F2xx_HAL_Driver/Src/stm32f2xx_ll_sdmmc.c b/STM32CubeMX/2020c/Drivers/STM32F2xx_HAL_Driver/Src/stm32f2xx_ll_sdmmc.c
+index 4f23a455..614b6dce 100644
+--- a/STM32CubeMX/2020c/Drivers/STM32F2xx_HAL_Driver/Src/stm32f2xx_ll_sdmmc.c
++++ b/STM32CubeMX/2020c/Drivers/STM32F2xx_HAL_Driver/Src/stm32f2xx_ll_sdmmc.c
+@@ -606,6 +606,31 @@ uint32_t SDMMC_CmdWriteSingleBlock(SDIO_TypeDef *SDIOx, uint32_t WriteAdd)
+   return errorstate;
+ }
+ 
++/**
++  * @brief  Set the count of a multi-block write command
++  * @param  SDIOx: Pointer to SDIO register base 
++  * @retval HAL status
++  */
++uint32_t SDMMC_CmdSetBlockCount(SDIO_TypeDef *SDIOx, uint32_t appCmdArg, uint32_t blockCount)
++{
++  SDIO_CmdInitTypeDef  sdmmc_cmdinit;
++  uint32_t errorstate;
++  
++  errorstate = SDMMC_CmdAppCommand(SDIOx, appCmdArg);
++  if(errorstate == HAL_SD_ERROR_NONE)
++  {
++    sdmmc_cmdinit.Argument         = blockCount;
++    sdmmc_cmdinit.CmdIndex         = SDMMC_CMD_SET_BLOCK_COUNT;
++    sdmmc_cmdinit.Response         = SDIO_RESPONSE_SHORT;
++    sdmmc_cmdinit.WaitForInterrupt = SDIO_WAIT_NO;
++    sdmmc_cmdinit.CPSM             = SDIO_CPSM_ENABLE;
++    (void)SDIO_SendCommand(SDIOx, &sdmmc_cmdinit);
++    errorstate = SDMMC_GetCmdResp1(SDIOx, SDMMC_CMD_SET_BLOCK_COUNT, SDIO_CMDTIMEOUT);
++  }
++
++  return errorstate;
++}
++
+ /**
+   * @brief  Send the Write Multi Block command and check the response
+   * @param  SDIOx: Pointer to SDIO register base 
+diff --git a/STM32CubeMX/2020c/Drivers/STM32F2xx_HAL_Driver/Src/stm32f2xx_hal_sd.c b/STM32CubeMX/2020c/Drivers/STM32F2xx_HAL_Driver/Src/stm32f2xx_hal_sd.c
+index d2a88d75..1a09028f 100644
+--- a/STM32CubeMX/2020c/Drivers/STM32F2xx_HAL_Driver/Src/stm32f2xx_hal_sd.c
++++ b/STM32CubeMX/2020c/Drivers/STM32F2xx_HAL_Driver/Src/stm32f2xx_hal_sd.c
+@@ -430,6 +430,10 @@ HAL_StatusTypeDef HAL_SD_InitCard(SD_HandleTypeDef *hsd)
+   /* Enable SDIO Clock */
+   __HAL_SD_ENABLE(hsd);
+ 
++  /* 1ms: required power up waiting time before starting the SD initialization 
++     sequence */
++  HAL_Delay(1);
++
+   /* Identify card operating voltage */
+   errorstate = SD_PowerON(hsd);
+   if(errorstate != HAL_SD_ERROR_NONE)
+@@ -1247,22 +1251,22 @@ HAL_StatusTypeDef HAL_SD_ReadBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData, u
+     else
+     {
+       /* Enable SD DMA transfer */
+-      __HAL_SD_DMA_ENABLE(hsd);
++      // MM disabled, as this fails on fast cards. __HAL_SD_DMA_ENABLE(hsd);
+ 
+       if(hsd->SdCard.CardType != CARD_SDHC_SDXC)
+       {
+         add *= 512U;
+-      }
+ 
+-      /* Set Block Size for Card */
+-      errorstate = SDMMC_CmdBlockLength(hsd->Instance, BLOCKSIZE);
+-      if(errorstate != HAL_SD_ERROR_NONE)
+-      {
+-        /* Clear all the static flags */
+-        __HAL_SD_CLEAR_FLAG(hsd, SDIO_STATIC_FLAGS);
+-        hsd->ErrorCode |= errorstate;
+-        hsd->State = HAL_SD_STATE_READY;
+-        return HAL_ERROR;
++        /* Set Block Size for Card */
++        errorstate = SDMMC_CmdBlockLength(hsd->Instance, BLOCKSIZE);
++        if(errorstate != HAL_SD_ERROR_NONE)
++        {
++          /* Clear all the static flags */
++          __HAL_SD_CLEAR_FLAG(hsd, SDIO_STATIC_FLAGS);
++          hsd->ErrorCode |= errorstate;
++          hsd->State = HAL_SD_STATE_READY;
++          return HAL_ERROR;
++        }
+       }
+ 
+       /* Configure the SD DPSM (Data Path State Machine) */
+@@ -1272,6 +1276,11 @@ HAL_StatusTypeDef HAL_SD_ReadBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData, u
+       config.TransferDir   = SDIO_TRANSFER_DIR_TO_SDIO;
+       config.TransferMode  = SDIO_TRANSFER_MODE_BLOCK;
+       config.DPSM          = SDIO_DPSM_ENABLE;
++
++      // We cannot enable DMA too early on UHS-I class 3 SD cards, or else the
++      // data is just discarded before the dpsm is started.
++      __HAL_SD_DMA_ENABLE();
++
+       (void)SDIO_ConfigData(hsd->Instance, &config);
+ 
+       /* Read Blocks in DMA mode */
+@@ -1343,6 +1352,19 @@ HAL_StatusTypeDef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData,
+       return HAL_ERROR;
+     }
+ 
++    if(NumberOfBlocks > 1U && hsd->SdCard.CardType == CARD_SDHC_SDXC)
++    {
++      /* MM: Prepare for write */
++      errorstate = SDMMC_CmdSetBlockCount(hsd->Instance, (uint32_t)(hsd->SdCard.RelCardAdd) << 16, NumberOfBlocks);
++      if(errorstate != HAL_SD_ERROR_NONE)
++      {
++        __HAL_SD_CLEAR_FLAG(hsd, SDIO_STATIC_FLAGS);
++        hsd->ErrorCode |= errorstate;
++        hsd->State = HAL_SD_STATE_READY;
++        return HAL_ERROR;
++      }
++    }
++
+     hsd->State = HAL_SD_STATE_BUSY;
+ 
+     /* Initialize data control register */
+@@ -1367,17 +1389,17 @@ HAL_StatusTypeDef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData,
+     if(hsd->SdCard.CardType != CARD_SDHC_SDXC)
+     {
+       add *= 512U;
+-    }
+ 
+-    /* Set Block Size for Card */
+-    errorstate = SDMMC_CmdBlockLength(hsd->Instance, BLOCKSIZE);
+-    if(errorstate != HAL_SD_ERROR_NONE)
+-    {
+-      /* Clear all the static flags */
+-      __HAL_SD_CLEAR_FLAG(hsd, SDIO_STATIC_FLAGS);
+-      hsd->ErrorCode |= errorstate;
+-      hsd->State = HAL_SD_STATE_READY;
+-      return HAL_ERROR;
++      /* Set Block Size for Card */
++      errorstate = SDMMC_CmdBlockLength(hsd->Instance, BLOCKSIZE);
++      if(errorstate != HAL_SD_ERROR_NONE)
++      {
++        /* Clear all the static flags */
++        __HAL_SD_CLEAR_FLAG(hsd, SDIO_STATIC_FLAGS);
++        hsd->ErrorCode |= errorstate;
++        hsd->State = HAL_SD_STATE_READY;
++        return HAL_ERROR;
++      }
+     }
+ 
+     /* Write Blocks in Polling mode */
+@@ -1406,7 +1428,7 @@ HAL_StatusTypeDef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData,
+     }
+ 
+     /* Enable SDIO DMA transfer */
+-    __HAL_SD_DMA_ENABLE(hsd);
++    // MM disabled, as this fails on fast cards. __HAL_SD_DMA_ENABLE(hsd);
+ 
+     /* Enable the DMA Channel */
+     if(HAL_DMA_Start_IT(hsd->hdmatx, (uint32_t)pData, (uint32_t)&hsd->Instance->FIFO, (uint32_t)(BLOCKSIZE * NumberOfBlocks)/4U) != HAL_OK)
+@@ -1431,6 +1453,11 @@ HAL_StatusTypeDef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData,
+       config.TransferDir   = SDIO_TRANSFER_DIR_TO_CARD;
+       config.TransferMode  = SDIO_TRANSFER_MODE_BLOCK;
+       config.DPSM          = SDIO_DPSM_ENABLE;
++
++      // We cannot enable DMA too early on UHS-I class 3 SD cards, or else the
++      // data is just discarded before the dpsm is started.
++      __HAL_SD_DMA_ENABLE();
++
+       (void)SDIO_ConfigData(hsd->Instance, &config);
+ 
+       return HAL_OK;
+@@ -1632,6 +1659,10 @@ void HAL_SD_IRQHandler(SD_HandleTypeDef *hsd)
+           HAL_SD_ErrorCallback(hsd);
+ #endif /* USE_HAL_SD_REGISTER_CALLBACKS */
+         }
++        __HAL_SD_CLEAR_FLAG(hsd, SDIO_STATIC_DATA_FLAGS);
++
++        hsd->State = HAL_SD_STATE_READY;
++        hsd->Context = SD_CONTEXT_NONE;
+       }
+       if(((context & SD_CONTEXT_READ_SINGLE_BLOCK) == 0U) && ((context & SD_CONTEXT_READ_MULTIPLE_BLOCK) == 0U))
+       {

lib/SCSI2SD/STM32CubeMX/2020c/Drivers/STM32F2xx_HAL_Driver/Inc/stm32f2xx_ll_sdmmc.h

@@ -1064,6 +1064,7 @@ uint32_t SDMMC_CmdReadSingleBlock(SDIO_TypeDef *SDIOx, uint32_t ReadAdd);
 uint32_t SDMMC_CmdReadMultiBlock(SDIO_TypeDef *SDIOx, uint32_t ReadAdd);
 uint32_t SDMMC_CmdWriteSingleBlock(SDIO_TypeDef *SDIOx, uint32_t WriteAdd);
 uint32_t SDMMC_CmdWriteMultiBlock(SDIO_TypeDef *SDIOx, uint32_t WriteAdd);
+uint32_t SDMMC_CmdSetBlockCount(SDIO_TypeDef *SDIOx, uint32_t appCmdArg, uint32_t blockCount);
 uint32_t SDMMC_CmdEraseStartAdd(SDIO_TypeDef *SDIOx, uint32_t StartAdd);
 uint32_t SDMMC_CmdSDEraseStartAdd(SDIO_TypeDef *SDIOx, uint32_t StartAdd);
 uint32_t SDMMC_CmdEraseEndAdd(SDIO_TypeDef *SDIOx, uint32_t EndAdd);

lib/SCSI2SD/STM32CubeMX/2020c/Drivers/STM32F2xx_HAL_Driver/Src/stm32f2xx_hal_sd.c

@@ -1259,7 +1259,7 @@ HAL_StatusTypeDef HAL_SD_ReadBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData, u
 
       // We cannot enable DMA too early on UHS-I class 3 SD cards, or else the
       // data is just discarded before the dpsm is started.
-      __HAL_SD_DMA_ENABLE(hsd);
+      __HAL_SD_DMA_ENABLE();
 
       (void)SDIO_ConfigData(hsd->Instance, &config);
 
@@ -1332,6 +1332,19 @@ HAL_StatusTypeDef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData,
       return HAL_ERROR;
     }
 
+    if(NumberOfBlocks > 1U && hsd->SdCard.CardType == CARD_SDHC_SDXC)
+    {
+      /* MM: Prepare for write */
+      errorstate = SDMMC_CmdSetBlockCount(hsd->Instance, (uint32_t)(hsd->SdCard.RelCardAdd) << 16, NumberOfBlocks);
+      if(errorstate != HAL_SD_ERROR_NONE)
+      {
+        __HAL_SD_CLEAR_FLAG(hsd, SDIO_STATIC_FLAGS);
+        hsd->ErrorCode |= errorstate;
+        hsd->State = HAL_SD_STATE_READY;
+        return HAL_ERROR;
+      }
+    }
+
     hsd->State = HAL_SD_STATE_BUSY;
 
     /* Initialize data control register */
@@ -1370,18 +1383,6 @@ HAL_StatusTypeDef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData,
     {
       hsd->Context = (SD_CONTEXT_WRITE_MULTIPLE_BLOCK | SD_CONTEXT_DMA);
 
-      /* MM: Prepare for write */
-/* TODO
-      SDMMC_CmdAppCommand(hsd->Instance, (uint32_t)(hsd->RCA << 16));
-      SDIO_CmdInitTypeDef  mm_cmdinit;
-      mm_cmdinit.Argument         = (uint32_t)NumberOfBlocks;
-      mm_cmdinit.CmdIndex         = SDMMC_CMD_SET_BLOCK_COUNT;
-      mm_cmdinit.Response         = SDIO_RESPONSE_SHORT;
-      mm_cmdinit.WaitForInterrupt = SDIO_WAIT_NO;
-      mm_cmdinit.CPSM             = SDIO_CPSM_ENABLE;
-      (void)SDIO_SendCommand(hsd->Instance, &mm_cmdinit);
-      SDMMC_GetCmdResp1(hsd->Instance, SDMMC_CMD_SET_BLOCK_COUNT, SDIO_CMDTIMEOUT);*/
-
       /* Write Multi Block command */
       errorstate = SDMMC_CmdWriteMultiBlock(hsd->Instance, add);
     }
@@ -1624,6 +1625,10 @@ void HAL_SD_IRQHandler(SD_HandleTypeDef *hsd)
           HAL_SD_ErrorCallback(hsd);
 #endif /* USE_HAL_SD_REGISTER_CALLBACKS */
         }
+        __HAL_SD_CLEAR_FLAG(hsd, SDIO_STATIC_DATA_FLAGS);
+
+        hsd->State = HAL_SD_STATE_READY;
+        hsd->Context = SD_CONTEXT_NONE;
       }
       if(((context & SD_CONTEXT_READ_SINGLE_BLOCK) == 0U) && ((context & SD_CONTEXT_READ_MULTIPLE_BLOCK) == 0U))
       {

lib/SCSI2SD/STM32CubeMX/2020c/Drivers/STM32F2xx_HAL_Driver/Src/stm32f2xx_ll_sdmmc.c

@@ -606,6 +606,31 @@ uint32_t SDMMC_CmdWriteSingleBlock(SDIO_TypeDef *SDIOx, uint32_t WriteAdd)
   return errorstate;
 }
 
+/**
+  * @brief  Set the count of a multi-block write command
+  * @param  SDIOx: Pointer to SDIO register base 
+  * @retval HAL status
+  */
+uint32_t SDMMC_CmdSetBlockCount(SDIO_TypeDef *SDIOx, uint32_t appCmdArg, uint32_t blockCount)
+{
+  SDIO_CmdInitTypeDef  sdmmc_cmdinit;
+  uint32_t errorstate;
+  
+  errorstate = SDMMC_CmdAppCommand(SDIOx, appCmdArg);
+  if(errorstate == HAL_SD_ERROR_NONE)
+  {
+    sdmmc_cmdinit.Argument         = blockCount;
+    sdmmc_cmdinit.CmdIndex         = SDMMC_CMD_SET_BLOCK_COUNT;
+    sdmmc_cmdinit.Response         = SDIO_RESPONSE_SHORT;
+    sdmmc_cmdinit.WaitForInterrupt = SDIO_WAIT_NO;
+    sdmmc_cmdinit.CPSM             = SDIO_CPSM_ENABLE;
+    (void)SDIO_SendCommand(SDIOx, &sdmmc_cmdinit);
+    errorstate = SDMMC_GetCmdResp1(SDIOx, SDMMC_CMD_SET_BLOCK_COUNT, SDIO_CMDTIMEOUT);
+  }
+
+  return errorstate;
+}
+
 /**
   * @brief  Send the Write Multi Block command and check the response
   * @param  SDIOx: Pointer to SDIO register base 

lib/SCSI2SD/STM32CubeMX/2021.diff

@@ -1,132 +1,3 @@
-diff --git a/STM32CubeMX/2021/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_sd.c b/STM32CubeMX/2021/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_sd.c
-index d2a88d7..6fffb51 100644
---- a/STM32CubeMX/2021/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_sd.c
-+++ b/STM32CubeMX/2021/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_sd.c
-@@ -430,6 +430,10 @@ HAL_StatusTypeDef HAL_SD_InitCard(SD_HandleTypeDef *hsd)
-   /* Enable SDIO Clock */
-   __HAL_SD_ENABLE(hsd);
- 
-+  /* 1ms: required power up waiting time before starting the SD initialization 
-+     sequence */
-+  HAL_Delay(1);
-+
-   /* Identify card operating voltage */
-   errorstate = SD_PowerON(hsd);
-   if(errorstate != HAL_SD_ERROR_NONE)
-@@ -1247,22 +1251,22 @@ HAL_StatusTypeDef HAL_SD_ReadBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData, u
-     else
-     {
-       /* Enable SD DMA transfer */
--      __HAL_SD_DMA_ENABLE(hsd);
-+      // MM disabled, as this fails on fast cards. __HAL_SD_DMA_ENABLE(hsd);
- 
-       if(hsd->SdCard.CardType != CARD_SDHC_SDXC)
-       {
-         add *= 512U;
--      }
- 
--      /* Set Block Size for Card */
--      errorstate = SDMMC_CmdBlockLength(hsd->Instance, BLOCKSIZE);
--      if(errorstate != HAL_SD_ERROR_NONE)
--      {
--        /* Clear all the static flags */
--        __HAL_SD_CLEAR_FLAG(hsd, SDIO_STATIC_FLAGS);
--        hsd->ErrorCode |= errorstate;
--        hsd->State = HAL_SD_STATE_READY;
--        return HAL_ERROR;
-+        /* Set Block Size for Card */
-+        errorstate = SDMMC_CmdBlockLength(hsd->Instance, BLOCKSIZE);
-+        if(errorstate != HAL_SD_ERROR_NONE)
-+        {
-+          /* Clear all the static flags */
-+          __HAL_SD_CLEAR_FLAG(hsd, SDIO_STATIC_FLAGS);
-+          hsd->ErrorCode |= errorstate;
-+          hsd->State = HAL_SD_STATE_READY;
-+          return HAL_ERROR;
-+        }
-       }
- 
-       /* Configure the SD DPSM (Data Path State Machine) */
-@@ -1272,6 +1276,11 @@ HAL_StatusTypeDef HAL_SD_ReadBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData, u
-       config.TransferDir   = SDIO_TRANSFER_DIR_TO_SDIO;
-       config.TransferMode  = SDIO_TRANSFER_MODE_BLOCK;
-       config.DPSM          = SDIO_DPSM_ENABLE;
-+
-+      // We cannot enable DMA too early on UHS-I class 3 SD cards, or else the
-+      // data is just discarded before the dpsm is started.
-+      __HAL_SD_DMA_ENABLE();
-+
-       (void)SDIO_ConfigData(hsd->Instance, &config);
- 
-       /* Read Blocks in DMA mode */
-@@ -1367,17 +1376,17 @@ HAL_StatusTypeDef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData,
-     if(hsd->SdCard.CardType != CARD_SDHC_SDXC)
-     {
-       add *= 512U;
--    }
- 
--    /* Set Block Size for Card */
--    errorstate = SDMMC_CmdBlockLength(hsd->Instance, BLOCKSIZE);
--    if(errorstate != HAL_SD_ERROR_NONE)
--    {
--      /* Clear all the static flags */
--      __HAL_SD_CLEAR_FLAG(hsd, SDIO_STATIC_FLAGS);
--      hsd->ErrorCode |= errorstate;
--      hsd->State = HAL_SD_STATE_READY;
--      return HAL_ERROR;
-+      /* Set Block Size for Card */
-+      errorstate = SDMMC_CmdBlockLength(hsd->Instance, BLOCKSIZE);
-+      if(errorstate != HAL_SD_ERROR_NONE)
-+      {
-+        /* Clear all the static flags */
-+        __HAL_SD_CLEAR_FLAG(hsd, SDIO_STATIC_FLAGS);
-+        hsd->ErrorCode |= errorstate;
-+        hsd->State = HAL_SD_STATE_READY;
-+        return HAL_ERROR;
-+      }
-     }
- 
-     /* Write Blocks in Polling mode */
-@@ -1385,6 +1394,18 @@ HAL_StatusTypeDef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData,
-     {
-       hsd->Context = (SD_CONTEXT_WRITE_MULTIPLE_BLOCK | SD_CONTEXT_DMA);
- 
-+      /* MM: Prepare for write */
-+/* TODO
-+      SDMMC_CmdAppCommand(hsd->Instance, (uint32_t)(hsd->RCA << 16));
-+      SDIO_CmdInitTypeDef  mm_cmdinit;
-+      mm_cmdinit.Argument         = (uint32_t)NumberOfBlocks;
-+      mm_cmdinit.CmdIndex         = SDMMC_CMD_SET_BLOCK_COUNT;
-+      mm_cmdinit.Response         = SDIO_RESPONSE_SHORT;
-+      mm_cmdinit.WaitForInterrupt = SDIO_WAIT_NO;
-+      mm_cmdinit.CPSM             = SDIO_CPSM_ENABLE;
-+      (void)SDIO_SendCommand(hsd->Instance, &mm_cmdinit);
-+      SDMMC_GetCmdResp1(hsd->Instance, SDMMC_CMD_SET_BLOCK_COUNT, SDIO_CMDTIMEOUT);*/
-+
-       /* Write Multi Block command */
-       errorstate = SDMMC_CmdWriteMultiBlock(hsd->Instance, add);
-     }
-@@ -1406,7 +1427,7 @@ HAL_StatusTypeDef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData,
-     }
- 
-     /* Enable SDIO DMA transfer */
--    __HAL_SD_DMA_ENABLE(hsd);
-+    // MM disabled, as this fails on fast cards. __HAL_SD_DMA_ENABLE(hsd);
- 
-     /* Enable the DMA Channel */
-     if(HAL_DMA_Start_IT(hsd->hdmatx, (uint32_t)pData, (uint32_t)&hsd->Instance->FIFO, (uint32_t)(BLOCKSIZE * NumberOfBlocks)/4U) != HAL_OK)
-@@ -1431,6 +1452,11 @@ HAL_StatusTypeDef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData,
-       config.TransferDir   = SDIO_TRANSFER_DIR_TO_CARD;
-       config.TransferMode  = SDIO_TRANSFER_MODE_BLOCK;
-       config.DPSM          = SDIO_DPSM_ENABLE;
-+
-+      // We cannot enable DMA too early on UHS-I class 3 SD cards, or else the
-+      // data is just discarded before the dpsm is started.
-+      __HAL_SD_DMA_ENABLE();
-+
-       (void)SDIO_ConfigData(hsd->Instance, &config);
- 
-       return HAL_OK;
 diff --git a/STM32CubeMX/2021/Src/fmc.c b/STM32CubeMX/2021/Src/fmc.c
 index dae179a..995fd15 100644
 --- a/STM32CubeMX/2021/Src/fmc.c
@@ -244,3 +115,192 @@ index 5b10126..a2c4047 100644
    }
    return USBD_OK;
  }
+diff --git a/STM32CubeMX/2021/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_sd.c b/STM32CubeMX/2021/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_sd.c
+index d2a88d75..1a09028f 100644
+--- a/STM32CubeMX/2021/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_sd.c
++++ b/STM32CubeMX/2021/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_sd.c
+@@ -430,6 +430,10 @@ HAL_StatusTypeDef HAL_SD_InitCard(SD_HandleTypeDef *hsd)
+   /* Enable SDIO Clock */
+   __HAL_SD_ENABLE(hsd);
+ 
++  /* 1ms: required power up waiting time before starting the SD initialization 
++     sequence */
++  HAL_Delay(1);
++
+   /* Identify card operating voltage */
+   errorstate = SD_PowerON(hsd);
+   if(errorstate != HAL_SD_ERROR_NONE)
+@@ -1247,22 +1251,22 @@ HAL_StatusTypeDef HAL_SD_ReadBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData, u
+     else
+     {
+       /* Enable SD DMA transfer */
+-      __HAL_SD_DMA_ENABLE(hsd);
++      // MM disabled, as this fails on fast cards. __HAL_SD_DMA_ENABLE(hsd);
+ 
+       if(hsd->SdCard.CardType != CARD_SDHC_SDXC)
+       {
+         add *= 512U;
+-      }
+ 
+-      /* Set Block Size for Card */
+-      errorstate = SDMMC_CmdBlockLength(hsd->Instance, BLOCKSIZE);
+-      if(errorstate != HAL_SD_ERROR_NONE)
+-      {
+-        /* Clear all the static flags */
+-        __HAL_SD_CLEAR_FLAG(hsd, SDIO_STATIC_FLAGS);
+-        hsd->ErrorCode |= errorstate;
+-        hsd->State = HAL_SD_STATE_READY;
+-        return HAL_ERROR;
++        /* Set Block Size for Card */
++        errorstate = SDMMC_CmdBlockLength(hsd->Instance, BLOCKSIZE);
++        if(errorstate != HAL_SD_ERROR_NONE)
++        {
++          /* Clear all the static flags */
++          __HAL_SD_CLEAR_FLAG(hsd, SDIO_STATIC_FLAGS);
++          hsd->ErrorCode |= errorstate;
++          hsd->State = HAL_SD_STATE_READY;
++          return HAL_ERROR;
++        }
+       }
+ 
+       /* Configure the SD DPSM (Data Path State Machine) */
+@@ -1272,6 +1276,11 @@ HAL_StatusTypeDef HAL_SD_ReadBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData, u
+       config.TransferDir   = SDIO_TRANSFER_DIR_TO_SDIO;
+       config.TransferMode  = SDIO_TRANSFER_MODE_BLOCK;
+       config.DPSM          = SDIO_DPSM_ENABLE;
++
++      // We cannot enable DMA too early on UHS-I class 3 SD cards, or else the
++      // data is just discarded before the dpsm is started.
++      __HAL_SD_DMA_ENABLE();
++
+       (void)SDIO_ConfigData(hsd->Instance, &config);
+ 
+       /* Read Blocks in DMA mode */
+@@ -1343,6 +1352,19 @@ HAL_StatusTypeDef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData,
+       return HAL_ERROR;
+     }
+ 
++    if(NumberOfBlocks > 1U && hsd->SdCard.CardType == CARD_SDHC_SDXC)
++    {
++      /* MM: Prepare for write */
++      errorstate = SDMMC_CmdSetBlockCount(hsd->Instance, (uint32_t)(hsd->SdCard.RelCardAdd) << 16, NumberOfBlocks);
++      if(errorstate != HAL_SD_ERROR_NONE)
++      {
++        __HAL_SD_CLEAR_FLAG(hsd, SDIO_STATIC_FLAGS);
++        hsd->ErrorCode |= errorstate;
++        hsd->State = HAL_SD_STATE_READY;
++        return HAL_ERROR;
++      }
++    }
++
+     hsd->State = HAL_SD_STATE_BUSY;
+ 
+     /* Initialize data control register */
+@@ -1367,17 +1389,17 @@ HAL_StatusTypeDef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData,
+     if(hsd->SdCard.CardType != CARD_SDHC_SDXC)
+     {
+       add *= 512U;
+-    }
+ 
+-    /* Set Block Size for Card */
+-    errorstate = SDMMC_CmdBlockLength(hsd->Instance, BLOCKSIZE);
+-    if(errorstate != HAL_SD_ERROR_NONE)
+-    {
+-      /* Clear all the static flags */
+-      __HAL_SD_CLEAR_FLAG(hsd, SDIO_STATIC_FLAGS);
+-      hsd->ErrorCode |= errorstate;
+-      hsd->State = HAL_SD_STATE_READY;
+-      return HAL_ERROR;
++      /* Set Block Size for Card */
++      errorstate = SDMMC_CmdBlockLength(hsd->Instance, BLOCKSIZE);
++      if(errorstate != HAL_SD_ERROR_NONE)
++      {
++        /* Clear all the static flags */
++        __HAL_SD_CLEAR_FLAG(hsd, SDIO_STATIC_FLAGS);
++        hsd->ErrorCode |= errorstate;
++        hsd->State = HAL_SD_STATE_READY;
++        return HAL_ERROR;
++      }
+     }
+ 
+     /* Write Blocks in Polling mode */
+@@ -1406,7 +1428,7 @@ HAL_StatusTypeDef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData,
+     }
+ 
+     /* Enable SDIO DMA transfer */
+-    __HAL_SD_DMA_ENABLE(hsd);
++    // MM disabled, as this fails on fast cards. __HAL_SD_DMA_ENABLE(hsd);
+ 
+     /* Enable the DMA Channel */
+     if(HAL_DMA_Start_IT(hsd->hdmatx, (uint32_t)pData, (uint32_t)&hsd->Instance->FIFO, (uint32_t)(BLOCKSIZE * NumberOfBlocks)/4U) != HAL_OK)
+@@ -1431,6 +1453,11 @@ HAL_StatusTypeDef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData,
+       config.TransferDir   = SDIO_TRANSFER_DIR_TO_CARD;
+       config.TransferMode  = SDIO_TRANSFER_MODE_BLOCK;
+       config.DPSM          = SDIO_DPSM_ENABLE;
++
++      // We cannot enable DMA too early on UHS-I class 3 SD cards, or else the
++      // data is just discarded before the dpsm is started.
++      __HAL_SD_DMA_ENABLE();
++
+       (void)SDIO_ConfigData(hsd->Instance, &config);
+ 
+       return HAL_OK;
+@@ -1632,6 +1659,10 @@ void HAL_SD_IRQHandler(SD_HandleTypeDef *hsd)
+           HAL_SD_ErrorCallback(hsd);
+ #endif /* USE_HAL_SD_REGISTER_CALLBACKS */
+         }
++        __HAL_SD_CLEAR_FLAG(hsd, SDIO_STATIC_DATA_FLAGS);
++
++        hsd->State = HAL_SD_STATE_READY;
++        hsd->Context = SD_CONTEXT_NONE;
+       }
+       if(((context & SD_CONTEXT_READ_SINGLE_BLOCK) == 0U) && ((context & SD_CONTEXT_READ_MULTIPLE_BLOCK) == 0U))
+       {
+diff --git a/STM32CubeMX/2021/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_ll_sdmmc.h b/STM32CubeMX/2021/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_ll_sdmmc.h
+index c966c906..9d709100 100644
+--- a/STM32CubeMX/2021/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_ll_sdmmc.h
++++ b/STM32CubeMX/2021/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_ll_sdmmc.h
+@@ -1074,6 +1074,7 @@ uint32_t SDMMC_CmdReadSingleBlock(SDIO_TypeDef *SDIOx, uint32_t ReadAdd);
+ uint32_t SDMMC_CmdReadMultiBlock(SDIO_TypeDef *SDIOx, uint32_t ReadAdd);
+ uint32_t SDMMC_CmdWriteSingleBlock(SDIO_TypeDef *SDIOx, uint32_t WriteAdd);
+ uint32_t SDMMC_CmdWriteMultiBlock(SDIO_TypeDef *SDIOx, uint32_t WriteAdd);
++uint32_t SDMMC_CmdSetBlockCount(SDIO_TypeDef *SDIOx, uint32_t appCmdArg, uint32_t blockCount);
+ uint32_t SDMMC_CmdEraseStartAdd(SDIO_TypeDef *SDIOx, uint32_t StartAdd);
+ uint32_t SDMMC_CmdSDEraseStartAdd(SDIO_TypeDef *SDIOx, uint32_t StartAdd);
+ uint32_t SDMMC_CmdEraseEndAdd(SDIO_TypeDef *SDIOx, uint32_t EndAdd);
+diff --git a/STM32CubeMX/2021/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_sdmmc.c b/STM32CubeMX/2021/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_sdmmc.c
+index 4f23a455..614b6dce 100644
+--- a/STM32CubeMX/2021/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_sdmmc.c
++++ b/STM32CubeMX/2021/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_sdmmc.c
+@@ -606,6 +606,31 @@ uint32_t SDMMC_CmdWriteSingleBlock(SDIO_TypeDef *SDIOx, uint32_t WriteAdd)
+   return errorstate;
+ }
+ 
++/**
++  * @brief  Set the count of a multi-block write command
++  * @param  SDIOx: Pointer to SDIO register base 
++  * @retval HAL status
++  */
++uint32_t SDMMC_CmdSetBlockCount(SDIO_TypeDef *SDIOx, uint32_t appCmdArg, uint32_t blockCount)
++{
++  SDIO_CmdInitTypeDef  sdmmc_cmdinit;
++  uint32_t errorstate;
++  
++  errorstate = SDMMC_CmdAppCommand(SDIOx, appCmdArg);
++  if(errorstate == HAL_SD_ERROR_NONE)
++  {
++    sdmmc_cmdinit.Argument         = blockCount;
++    sdmmc_cmdinit.CmdIndex         = SDMMC_CMD_SET_BLOCK_COUNT;
++    sdmmc_cmdinit.Response         = SDIO_RESPONSE_SHORT;
++    sdmmc_cmdinit.WaitForInterrupt = SDIO_WAIT_NO;
++    sdmmc_cmdinit.CPSM             = SDIO_CPSM_ENABLE;
++    (void)SDIO_SendCommand(SDIOx, &sdmmc_cmdinit);
++    errorstate = SDMMC_GetCmdResp1(SDIOx, SDMMC_CMD_SET_BLOCK_COUNT, SDIO_CMDTIMEOUT);
++  }
++
++  return errorstate;
++}
++
+ /**
+   * @brief  Send the Write Multi Block command and check the response
+   * @param  SDIOx: Pointer to SDIO register base 

lib/SCSI2SD/STM32CubeMX/revF.diff

@@ -1,19 +1,167 @@
+diff --git a/STM32CubeMX/revF/Src/sdio.c b/STM32CubeMX/revF/Src/sdio.c
+index f2a0b7c..a00c6a8 100644
+--- a/STM32CubeMX/revF/Src/sdio.c
++++ b/STM32CubeMX/revF/Src/sdio.c
+@@ -40,6 +40,8 @@ void MX_SDIO_SD_Init(void)
+   hsd.Init.BusWide = SDIO_BUS_WIDE_1B;
+   hsd.Init.HardwareFlowControl = SDIO_HARDWARE_FLOW_CONTROL_DISABLE;
+   hsd.Init.ClockDiv = 0;
++
++  /*
+   if (HAL_SD_Init(&hsd) != HAL_OK)
+   {
+     Error_Handler();
+@@ -47,8 +49,7 @@ void MX_SDIO_SD_Init(void)
+   if (HAL_SD_ConfigWideBusOperation(&hsd, SDIO_BUS_WIDE_4B) != HAL_OK)
+   {
+     Error_Handler();
+-  }
+-
++  }*/
+ }
+ 
+ void HAL_SD_MspInit(SD_HandleTypeDef* sdHandle)
+diff --git a/STM32CubeMX/revF/Src/spi.c b/STM32CubeMX/revF/Src/spi.c
+index 8a452c4..8e4082b 100644
+--- a/STM32CubeMX/revF/Src/spi.c
++++ b/STM32CubeMX/revF/Src/spi.c
+@@ -37,6 +37,8 @@ void MX_SPI1_Init(void)
+   hspi1.Init.CLKPolarity = SPI_POLARITY_HIGH;
+   hspi1.Init.CLKPhase = SPI_PHASE_2EDGE;
+   hspi1.Init.NSS = SPI_NSS_SOFT;
++
++  // 13.5Mbaud FPGA device allows up to 25MHz write
+   hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_4;
+   hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
+   hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
+diff --git a/STM32CubeMX/revF/Src/usbd_conf.c b/STM32CubeMX/revF/Src/usbd_conf.c
+index 65f6102..8e03767 100644
+--- a/STM32CubeMX/revF/Src/usbd_conf.c
++++ b/STM32CubeMX/revF/Src/usbd_conf.c
+@@ -357,9 +357,11 @@ USBD_StatusTypeDef USBD_LL_Init(USBD_HandleTypeDef *pdev)
+   HAL_PCD_RegisterIsoOutIncpltCallback(&hpcd_USB_OTG_FS, PCD_ISOOUTIncompleteCallback);
+   HAL_PCD_RegisterIsoInIncpltCallback(&hpcd_USB_OTG_FS, PCD_ISOINIncompleteCallback);
+ #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
++  // Combined RX + TX fifo of 0x140 4-byte words (1280 bytes)
+   HAL_PCDEx_SetRxFiFo(&hpcd_USB_OTG_FS, 0x80);
+   HAL_PCDEx_SetTxFiFo(&hpcd_USB_OTG_FS, 0, 0x40);
+-  HAL_PCDEx_SetTxFiFo(&hpcd_USB_OTG_FS, 1, 0x80);
++  HAL_PCDEx_SetTxFiFo(&hpcd_USB_OTG_FS, 1, 0x40);
++  HAL_PCDEx_SetTxFiFo(&hpcd_USB_OTG_FS, 2, 0x40);
+   }
+   return USBD_OK;
+ }
+diff --git a/STM32CubeMX/revF/Src/fsmc.c b/STM32CubeMX/revF/Src/fsmc.c
+index 03a1b12..1b01446 100644
+--- a/STM32CubeMX/revF/Src/fsmc.c
++++ b/STM32CubeMX/revF/Src/fsmc.c
+@@ -50,12 +50,28 @@ void MX_FSMC_Init(void)
+   hsram1.Init.AsynchronousWait = FSMC_ASYNCHRONOUS_WAIT_DISABLE;
+   hsram1.Init.WriteBurst = FSMC_WRITE_BURST_DISABLE;
+   /* Timing */
++
++  // 1 clock to read the address, + 1 for synchroniser skew
+   Timing.AddressSetupTime = 2;
+   Timing.AddressHoldTime = 1;
++
++  // Writes to device:
++  //   1 for synchroniser skew (dbx also delayed)
++  //   1 to skip hold time
++  //   1 to write data.
++
++  // Reads from device:
++  //   3 for syncroniser
++  //   1 to write back to fsmc bus.
+   Timing.DataSetupTime = 4;
++
++  // Allow a clock for us to release signals
++  // Need to avoid both devices acting as outputs
++  // on the multiplexed lines at the same time.
+   Timing.BusTurnAroundDuration = 1;
+-  Timing.CLKDivision = 16;
+-  Timing.DataLatency = 17;
++
++  Timing.CLKDivision = 16; // Ignored for async
++  Timing.DataLatency = 17; // Ignored for async
+   Timing.AccessMode = FSMC_ACCESS_MODE_A;
+   /* ExtTiming */
+
+@@ -105,6 +121,10 @@ static void HAL_FSMC_MspInit(void){
+   PE0   ------> FSMC_NBL0
+   PE1   ------> FSMC_NBL1
+   */
++
++  // MM: GPIO_SPEED_FREQ_MEDIUM is rated up to 50MHz, which is fine as all the
++  // fsmc timings are > 1 (ie. so clock speed / 2 is around 50MHz).
++
+   /* GPIO_InitStruct */
+   GPIO_InitStruct.Pin = GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10
+                           |GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14
+
+diff --git a/STM32CubeMX/revF/Drivers/STM32F2xx_HAL_Driver/Inc/stm32f2xx_ll_sdmmc.h b/STM32CubeMX/revF/Drivers/STM32F2xx_HAL_Driver/Inc/stm32f2xx_ll_sdmmc.h
+index c966c906..9d709100 100644
+--- a/STM32CubeMX/revF/Drivers/STM32F2xx_HAL_Driver/Inc/stm32f2xx_ll_sdmmc.h
++++ b/STM32CubeMX/revF/Drivers/STM32F2xx_HAL_Driver/Inc/stm32f2xx_ll_sdmmc.h
+@@ -1074,6 +1074,7 @@ uint32_t SDMMC_CmdReadSingleBlock(SDIO_TypeDef *SDIOx, uint32_t ReadAdd);
+ uint32_t SDMMC_CmdReadMultiBlock(SDIO_TypeDef *SDIOx, uint32_t ReadAdd);
+ uint32_t SDMMC_CmdWriteSingleBlock(SDIO_TypeDef *SDIOx, uint32_t WriteAdd);
+ uint32_t SDMMC_CmdWriteMultiBlock(SDIO_TypeDef *SDIOx, uint32_t WriteAdd);
++uint32_t SDMMC_CmdSetBlockCount(SDIO_TypeDef *SDIOx, uint32_t appCmdArg, uint32_t blockCount);
+ uint32_t SDMMC_CmdEraseStartAdd(SDIO_TypeDef *SDIOx, uint32_t StartAdd);
+ uint32_t SDMMC_CmdSDEraseStartAdd(SDIO_TypeDef *SDIOx, uint32_t StartAdd);
+ uint32_t SDMMC_CmdEraseEndAdd(SDIO_TypeDef *SDIOx, uint32_t EndAdd);
+diff --git a/STM32CubeMX/revF/Drivers/STM32F2xx_HAL_Driver/Src/stm32f2xx_ll_sdmmc.c b/STM32CubeMX/revF/Drivers/STM32F2xx_HAL_Driver/Src/stm32f2xx_ll_sdmmc.c
+index 4f23a455..614b6dce 100644
+--- a/STM32CubeMX/revF/Drivers/STM32F2xx_HAL_Driver/Src/stm32f2xx_ll_sdmmc.c
++++ b/STM32CubeMX/revF/Drivers/STM32F2xx_HAL_Driver/Src/stm32f2xx_ll_sdmmc.c
+@@ -606,6 +606,31 @@ uint32_t SDMMC_CmdWriteSingleBlock(SDIO_TypeDef *SDIOx, uint32_t WriteAdd)
+   return errorstate;
+ }
+ 
++/**
++  * @brief  Set the count of a multi-block write command
++  * @param  SDIOx: Pointer to SDIO register base 
++  * @retval HAL status
++  */
++uint32_t SDMMC_CmdSetBlockCount(SDIO_TypeDef *SDIOx, uint32_t appCmdArg, uint32_t blockCount)
++{
++  SDIO_CmdInitTypeDef  sdmmc_cmdinit;
++  uint32_t errorstate;
++  
++  errorstate = SDMMC_CmdAppCommand(SDIOx, appCmdArg);
++  if(errorstate == HAL_SD_ERROR_NONE)
++  {
++    sdmmc_cmdinit.Argument         = blockCount;
++    sdmmc_cmdinit.CmdIndex         = SDMMC_CMD_SET_BLOCK_COUNT;
++    sdmmc_cmdinit.Response         = SDIO_RESPONSE_SHORT;
++    sdmmc_cmdinit.WaitForInterrupt = SDIO_WAIT_NO;
++    sdmmc_cmdinit.CPSM             = SDIO_CPSM_ENABLE;
++    (void)SDIO_SendCommand(SDIOx, &sdmmc_cmdinit);
++    errorstate = SDMMC_GetCmdResp1(SDIOx, SDMMC_CMD_SET_BLOCK_COUNT, SDIO_CMDTIMEOUT);
++  }
++
++  return errorstate;
++}
++
+ /**
+   * @brief  Send the Write Multi Block command and check the response
+   * @param  SDIOx: Pointer to SDIO register base 
 diff --git a/STM32CubeMX/revF/Drivers/STM32F2xx_HAL_Driver/Src/stm32f2xx_hal_sd.c b/STM32CubeMX/revF/Drivers/STM32F2xx_HAL_Driver/Src/stm32f2xx_hal_sd.c
-index 569c8b1..1b8c51b 100644
+index d2a88d75..1a09028f 100644
 --- a/STM32CubeMX/revF/Drivers/STM32F2xx_HAL_Driver/Src/stm32f2xx_hal_sd.c
 +++ b/STM32CubeMX/revF/Drivers/STM32F2xx_HAL_Driver/Src/stm32f2xx_hal_sd.c
 @@ -430,6 +430,10 @@ HAL_StatusTypeDef HAL_SD_InitCard(SD_HandleTypeDef *hsd)
    /* Enable SDIO Clock */
    __HAL_SD_ENABLE(hsd);
  
-+  /* 1ms: required power up waiting time before starting the SD initialization
-+    sequence */
++  /* 1ms: required power up waiting time before starting the SD initialization 
++     sequence */
 +  HAL_Delay(1);
 +
    /* Identify card operating voltage */
    errorstate = SD_PowerON(hsd);
    if(errorstate != HAL_SD_ERROR_NONE)
-@@ -1227,22 +1231,22 @@ HAL_StatusTypeDef HAL_SD_ReadBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData, u
+@@ -1247,22 +1251,22 @@ HAL_StatusTypeDef HAL_SD_ReadBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData, u
      else
      {
        /* Enable SD DMA transfer */
@@ -47,19 +195,39 @@ index 569c8b1..1b8c51b 100644
        }
  
        /* Configure the SD DPSM (Data Path State Machine) */
-@@ -1252,6 +1256,11 @@ HAL_StatusTypeDef HAL_SD_ReadBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData, u
+@@ -1272,6 +1276,11 @@ HAL_StatusTypeDef HAL_SD_ReadBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData, u
        config.TransferDir   = SDIO_TRANSFER_DIR_TO_SDIO;
        config.TransferMode  = SDIO_TRANSFER_MODE_BLOCK;
        config.DPSM          = SDIO_DPSM_ENABLE;
 +
 +      // We cannot enable DMA too early on UHS-I class 3 SD cards, or else the
 +      // data is just discarded before the dpsm is started.
-+      __HAL_SD_DMA_ENABLE(hsd);
++      __HAL_SD_DMA_ENABLE();
 +
        (void)SDIO_ConfigData(hsd->Instance, &config);
  
        /* Read Blocks in DMA mode */
-@@ -1343,17 +1352,17 @@ HAL_StatusTypeDef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData,
+@@ -1343,6 +1352,19 @@ HAL_StatusTypeDef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData,
+       return HAL_ERROR;
+     }
+ 
++    if(NumberOfBlocks > 1U && hsd->SdCard.CardType == CARD_SDHC_SDXC)
++    {
++      /* MM: Prepare for write */
++      errorstate = SDMMC_CmdSetBlockCount(hsd->Instance, (uint32_t)(hsd->SdCard.RelCardAdd) << 16, NumberOfBlocks);
++      if(errorstate != HAL_SD_ERROR_NONE)
++      {
++        __HAL_SD_CLEAR_FLAG(hsd, SDIO_STATIC_FLAGS);
++        hsd->ErrorCode |= errorstate;
++        hsd->State = HAL_SD_STATE_READY;
++        return HAL_ERROR;
++      }
++    }
++
+     hsd->State = HAL_SD_STATE_BUSY;
+ 
+     /* Initialize data control register */
+@@ -1367,17 +1389,17 @@ HAL_StatusTypeDef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData,
      if(hsd->SdCard.CardType != CARD_SDHC_SDXC)
      {
        add *= 512U;
@@ -87,26 +255,7 @@ index 569c8b1..1b8c51b 100644
      }
  
      /* Write Blocks in Polling mode */
-@@ -1361,6 +1370,18 @@ HAL_StatusTypeDef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData,
-     {
-       hsd->Context = (SD_CONTEXT_WRITE_MULTIPLE_BLOCK | SD_CONTEXT_DMA);
- 
-+      /* MM: Prepare for write */
-+/* TODO
-+      SDMMC_CmdAppCommand(hsd->Instance, (uint32_t)(hsd->RCA << 16));
-+      SDIO_CmdInitTypeDef  mm_cmdinit;
-+      mm_cmdinit.Argument         = (uint32_t)NumberOfBlocks;
-+      mm_cmdinit.CmdIndex         = SDMMC_CMD_SET_BLOCK_COUNT;
-+      mm_cmdinit.Response         = SDIO_RESPONSE_SHORT;
-+      mm_cmdinit.WaitForInterrupt = SDIO_WAIT_NO;
-+      mm_cmdinit.CPSM             = SDIO_CPSM_ENABLE;
-+      (void)SDIO_SendCommand(hsd->Instance, &mm_cmdinit);
-+      SDMMC_GetCmdResp1(hsd->Instance, SDMMC_CMD_SET_BLOCK_COUNT, SDIO_CMDTIMEOUT);*/
-+
-       /* Write Multi Block command */
-       errorstate = SDMMC_CmdWriteMultiBlock(hsd->Instance, add);
-     }
-@@ -1382,7 +1403,7 @@ HAL_StatusTypeDef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData,
+@@ -1406,7 +1428,7 @@ HAL_StatusTypeDef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData,
      }
  
      /* Enable SDIO DMA transfer */
@@ -115,7 +264,7 @@ index 569c8b1..1b8c51b 100644
  
      /* Enable the DMA Channel */
      if(HAL_DMA_Start_IT(hsd->hdmatx, (uint32_t)pData, (uint32_t)&hsd->Instance->FIFO, (uint32_t)(BLOCKSIZE * NumberOfBlocks)/4U) != HAL_OK)
-@@ -1403,6 +1424,11 @@ HAL_StatusTypeDef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData,
+@@ -1431,6 +1453,11 @@ HAL_StatusTypeDef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData,
        config.TransferDir   = SDIO_TRANSFER_DIR_TO_CARD;
        config.TransferMode  = SDIO_TRANSFER_MODE_BLOCK;
        config.DPSM          = SDIO_DPSM_ENABLE;
@@ -127,103 +276,14 @@ index 569c8b1..1b8c51b 100644
        (void)SDIO_ConfigData(hsd->Instance, &config);
  
        return HAL_OK;
-diff --git a/STM32CubeMX/revF/Src/sdio.c b/STM32CubeMX/revF/Src/sdio.c
-index f2a0b7c..a00c6a8 100644
---- a/STM32CubeMX/revF/Src/sdio.c
-+++ b/STM32CubeMX/revF/Src/sdio.c
-@@ -40,6 +40,8 @@ void MX_SDIO_SD_Init(void)
-   hsd.Init.BusWide = SDIO_BUS_WIDE_1B;
-   hsd.Init.HardwareFlowControl = SDIO_HARDWARE_FLOW_CONTROL_DISABLE;
-   hsd.Init.ClockDiv = 0;
-+
-+  /*
-   if (HAL_SD_Init(&hsd) != HAL_OK)
-   {
-     Error_Handler();
-@@ -47,8 +49,7 @@ void MX_SDIO_SD_Init(void)
-   if (HAL_SD_ConfigWideBusOperation(&hsd, SDIO_BUS_WIDE_4B) != HAL_OK)
-   {
-     Error_Handler();
--  }
--
-+  }*/
- }
- 
- void HAL_SD_MspInit(SD_HandleTypeDef* sdHandle)
-diff --git a/STM32CubeMX/revF/Src/spi.c b/STM32CubeMX/revF/Src/spi.c
-index 8a452c4..8e4082b 100644
---- a/STM32CubeMX/revF/Src/spi.c
-+++ b/STM32CubeMX/revF/Src/spi.c
-@@ -37,6 +37,8 @@ void MX_SPI1_Init(void)
-   hspi1.Init.CLKPolarity = SPI_POLARITY_HIGH;
-   hspi1.Init.CLKPhase = SPI_PHASE_2EDGE;
-   hspi1.Init.NSS = SPI_NSS_SOFT;
+@@ -1632,6 +1659,10 @@ void HAL_SD_IRQHandler(SD_HandleTypeDef *hsd)
+           HAL_SD_ErrorCallback(hsd);
+ #endif /* USE_HAL_SD_REGISTER_CALLBACKS */
+         }
++        __HAL_SD_CLEAR_FLAG(hsd, SDIO_STATIC_DATA_FLAGS);
 +
-+  // 13.5Mbaud FPGA device allows up to 25MHz write
-   hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_4;
-   hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
-   hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
-diff --git a/STM32CubeMX/revF/Src/usbd_conf.c b/STM32CubeMX/revF/Src/usbd_conf.c
-index 65f6102..8e03767 100644
---- a/STM32CubeMX/revF/Src/usbd_conf.c
-+++ b/STM32CubeMX/revF/Src/usbd_conf.c
-@@ -357,9 +357,11 @@ USBD_StatusTypeDef USBD_LL_Init(USBD_HandleTypeDef *pdev)
-   HAL_PCD_RegisterIsoOutIncpltCallback(&hpcd_USB_OTG_FS, PCD_ISOOUTIncompleteCallback);
-   HAL_PCD_RegisterIsoInIncpltCallback(&hpcd_USB_OTG_FS, PCD_ISOINIncompleteCallback);
- #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
-+  // Combined RX + TX fifo of 0x140 4-byte words (1280 bytes)
-   HAL_PCDEx_SetRxFiFo(&hpcd_USB_OTG_FS, 0x80);
-   HAL_PCDEx_SetTxFiFo(&hpcd_USB_OTG_FS, 0, 0x40);
--  HAL_PCDEx_SetTxFiFo(&hpcd_USB_OTG_FS, 1, 0x80);
-+  HAL_PCDEx_SetTxFiFo(&hpcd_USB_OTG_FS, 1, 0x40);
-+  HAL_PCDEx_SetTxFiFo(&hpcd_USB_OTG_FS, 2, 0x40);
-   }
-   return USBD_OK;
- }
-diff --git a/STM32CubeMX/revF/Src/fsmc.c b/STM32CubeMX/revF/Src/fsmc.c
-index 03a1b12..1b01446 100644
---- a/STM32CubeMX/revF/Src/fsmc.c
-+++ b/STM32CubeMX/revF/Src/fsmc.c
-@@ -50,12 +50,28 @@ void MX_FSMC_Init(void)
-   hsram1.Init.AsynchronousWait = FSMC_ASYNCHRONOUS_WAIT_DISABLE;
-   hsram1.Init.WriteBurst = FSMC_WRITE_BURST_DISABLE;
-   /* Timing */
-+
-+  // 1 clock to read the address, + 1 for synchroniser skew
-   Timing.AddressSetupTime = 2;
-   Timing.AddressHoldTime = 1;
-+
-+  // Writes to device:
-+  //   1 for synchroniser skew (dbx also delayed)
-+  //   1 to skip hold time
-+  //   1 to write data.
-+
-+  // Reads from device:
-+  //   3 for syncroniser
-+  //   1 to write back to fsmc bus.
-   Timing.DataSetupTime = 4;
-+
-+  // Allow a clock for us to release signals
-+  // Need to avoid both devices acting as outputs
-+  // on the multiplexed lines at the same time.
-   Timing.BusTurnAroundDuration = 1;
--  Timing.CLKDivision = 16;
--  Timing.DataLatency = 17;
-+
-+  Timing.CLKDivision = 16; // Ignored for async
-+  Timing.DataLatency = 17; // Ignored for async
-   Timing.AccessMode = FSMC_ACCESS_MODE_A;
-   /* ExtTiming */
-
-@@ -105,6 +121,10 @@ static void HAL_FSMC_MspInit(void){
-   PE0   ------> FSMC_NBL0
-   PE1   ------> FSMC_NBL1
-   */
-+
-+  // MM: GPIO_SPEED_FREQ_MEDIUM is rated up to 50MHz, which is fine as all the
-+  // fsmc timings are > 1 (ie. so clock speed / 2 is around 50MHz).
-+
-   /* GPIO_InitStruct */
-   GPIO_InitStruct.Pin = GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10
-                           |GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14
-
++        hsd->State = HAL_SD_STATE_READY;
++        hsd->Context = SD_CONTEXT_NONE;
+       }
+       if(((context & SD_CONTEXT_READ_SINGLE_BLOCK) == 0U) && ((context & SD_CONTEXT_READ_MULTIPLE_BLOCK) == 0U))
+       {

lib/SCSI2SD/STM32CubeMX/revF/Drivers/STM32F2xx_HAL_Driver/Inc/stm32f2xx_ll_sdmmc.h

@@ -1064,6 +1064,7 @@ uint32_t SDMMC_CmdReadSingleBlock(SDIO_TypeDef *SDIOx, uint32_t ReadAdd);
 uint32_t SDMMC_CmdReadMultiBlock(SDIO_TypeDef *SDIOx, uint32_t ReadAdd);
 uint32_t SDMMC_CmdWriteSingleBlock(SDIO_TypeDef *SDIOx, uint32_t WriteAdd);
 uint32_t SDMMC_CmdWriteMultiBlock(SDIO_TypeDef *SDIOx, uint32_t WriteAdd);
+uint32_t SDMMC_CmdSetBlockCount(SDIO_TypeDef *SDIOx, uint32_t appCmdArg, uint32_t blockCount);
 uint32_t SDMMC_CmdEraseStartAdd(SDIO_TypeDef *SDIOx, uint32_t StartAdd);
 uint32_t SDMMC_CmdSDEraseStartAdd(SDIO_TypeDef *SDIOx, uint32_t StartAdd);
 uint32_t SDMMC_CmdEraseEndAdd(SDIO_TypeDef *SDIOx, uint32_t EndAdd);

lib/SCSI2SD/STM32CubeMX/revF/Drivers/STM32F2xx_HAL_Driver/Src/stm32f2xx_hal_sd.c

@@ -430,6 +430,10 @@ HAL_StatusTypeDef HAL_SD_InitCard(SD_HandleTypeDef *hsd)
   /* Enable SDIO Clock */
   __HAL_SD_ENABLE(hsd);
 
+  /* 1ms: required power up waiting time before starting the SD initialization 
+     sequence */
+  HAL_Delay(1);
+
   /* Identify card operating voltage */
   errorstate = SD_PowerON(hsd);
   if(errorstate != HAL_SD_ERROR_NONE)
@@ -1227,22 +1231,22 @@ HAL_StatusTypeDef HAL_SD_ReadBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData, u
     else
     {
       /* Enable SD DMA transfer */
-      __HAL_SD_DMA_ENABLE(hsd);
+      // MM disabled, as this fails on fast cards. __HAL_SD_DMA_ENABLE(hsd);
 
       if(hsd->SdCard.CardType != CARD_SDHC_SDXC)
       {
         add *= 512U;
-      }
 
-      /* Set Block Size for Card */
-      errorstate = SDMMC_CmdBlockLength(hsd->Instance, BLOCKSIZE);
-      if(errorstate != HAL_SD_ERROR_NONE)
-      {
-        /* Clear all the static flags */
-        __HAL_SD_CLEAR_FLAG(hsd, SDIO_STATIC_FLAGS);
-        hsd->ErrorCode |= errorstate;
-        hsd->State = HAL_SD_STATE_READY;
-        return HAL_ERROR;
+        /* Set Block Size for Card */
+        errorstate = SDMMC_CmdBlockLength(hsd->Instance, BLOCKSIZE);
+        if(errorstate != HAL_SD_ERROR_NONE)
+        {
+          /* Clear all the static flags */
+          __HAL_SD_CLEAR_FLAG(hsd, SDIO_STATIC_FLAGS);
+          hsd->ErrorCode |= errorstate;
+          hsd->State = HAL_SD_STATE_READY;
+          return HAL_ERROR;
+        }
       }
 
       /* Configure the SD DPSM (Data Path State Machine) */
@@ -1252,6 +1256,11 @@ HAL_StatusTypeDef HAL_SD_ReadBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData, u
       config.TransferDir   = SDIO_TRANSFER_DIR_TO_SDIO;
       config.TransferMode  = SDIO_TRANSFER_MODE_BLOCK;
       config.DPSM          = SDIO_DPSM_ENABLE;
+
+      // We cannot enable DMA too early on UHS-I class 3 SD cards, or else the
+      // data is just discarded before the dpsm is started.
+      __HAL_SD_DMA_ENABLE();
+
       (void)SDIO_ConfigData(hsd->Instance, &config);
 
       /* Read Blocks in DMA mode */
@@ -1323,6 +1332,19 @@ HAL_StatusTypeDef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData,
       return HAL_ERROR;
     }
 
+    if(NumberOfBlocks > 1U && hsd->SdCard.CardType == CARD_SDHC_SDXC)
+    {
+      /* MM: Prepare for write */
+      errorstate = SDMMC_CmdSetBlockCount(hsd->Instance, (uint32_t)(hsd->SdCard.RelCardAdd) << 16, NumberOfBlocks);
+      if(errorstate != HAL_SD_ERROR_NONE)
+      {
+        __HAL_SD_CLEAR_FLAG(hsd, SDIO_STATIC_FLAGS);
+        hsd->ErrorCode |= errorstate;
+        hsd->State = HAL_SD_STATE_READY;
+        return HAL_ERROR;
+      }
+    }
+
     hsd->State = HAL_SD_STATE_BUSY;
 
     /* Initialize data control register */
@@ -1343,17 +1365,17 @@ HAL_StatusTypeDef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData,
     if(hsd->SdCard.CardType != CARD_SDHC_SDXC)
     {
       add *= 512U;
-    }
 
-    /* Set Block Size for Card */
-    errorstate = SDMMC_CmdBlockLength(hsd->Instance, BLOCKSIZE);
-    if(errorstate != HAL_SD_ERROR_NONE)
-    {
-      /* Clear all the static flags */
-      __HAL_SD_CLEAR_FLAG(hsd, SDIO_STATIC_FLAGS);
-      hsd->ErrorCode |= errorstate;
-      hsd->State = HAL_SD_STATE_READY;
-      return HAL_ERROR;
+      /* Set Block Size for Card */
+      errorstate = SDMMC_CmdBlockLength(hsd->Instance, BLOCKSIZE);
+      if(errorstate != HAL_SD_ERROR_NONE)
+      {
+        /* Clear all the static flags */
+        __HAL_SD_CLEAR_FLAG(hsd, SDIO_STATIC_FLAGS);
+        hsd->ErrorCode |= errorstate;
+        hsd->State = HAL_SD_STATE_READY;
+        return HAL_ERROR;
+      }
     }
 
     /* Write Blocks in Polling mode */
@@ -1382,7 +1404,7 @@ HAL_StatusTypeDef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData,
     }
 
     /* Enable SDIO DMA transfer */
-    __HAL_SD_DMA_ENABLE(hsd);
+    // MM disabled, as this fails on fast cards. __HAL_SD_DMA_ENABLE(hsd);
 
     /* Enable the DMA Channel */
     if(HAL_DMA_Start_IT(hsd->hdmatx, (uint32_t)pData, (uint32_t)&hsd->Instance->FIFO, (uint32_t)(BLOCKSIZE * NumberOfBlocks)/4U) != HAL_OK)
@@ -1403,6 +1425,11 @@ HAL_StatusTypeDef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint8_t *pData,
       config.TransferDir   = SDIO_TRANSFER_DIR_TO_CARD;
       config.TransferMode  = SDIO_TRANSFER_MODE_BLOCK;
       config.DPSM          = SDIO_DPSM_ENABLE;
+
+      // We cannot enable DMA too early on UHS-I class 3 SD cards, or else the
+      // data is just discarded before the dpsm is started.
+      __HAL_SD_DMA_ENABLE();
+
       (void)SDIO_ConfigData(hsd->Instance, &config);
 
       return HAL_OK;
@@ -1598,6 +1625,10 @@ void HAL_SD_IRQHandler(SD_HandleTypeDef *hsd)
           HAL_SD_ErrorCallback(hsd);
 #endif /* USE_HAL_SD_REGISTER_CALLBACKS */
         }
+        __HAL_SD_CLEAR_FLAG(hsd, SDIO_STATIC_DATA_FLAGS);
+
+        hsd->State = HAL_SD_STATE_READY;
+        hsd->Context = SD_CONTEXT_NONE;
       }
       if(((context & SD_CONTEXT_READ_SINGLE_BLOCK) == 0U) && ((context & SD_CONTEXT_READ_MULTIPLE_BLOCK) == 0U))
       {

lib/SCSI2SD/STM32CubeMX/revF/Drivers/STM32F2xx_HAL_Driver/Src/stm32f2xx_ll_sdmmc.c

@@ -606,6 +606,31 @@ uint32_t SDMMC_CmdWriteSingleBlock(SDIO_TypeDef *SDIOx, uint32_t WriteAdd)
   return errorstate;
 }
 
+/**
+  * @brief  Set the count of a multi-block write command
+  * @param  SDIOx: Pointer to SDIO register base 
+  * @retval HAL status
+  */
+uint32_t SDMMC_CmdSetBlockCount(SDIO_TypeDef *SDIOx, uint32_t appCmdArg, uint32_t blockCount)
+{
+  SDIO_CmdInitTypeDef  sdmmc_cmdinit;
+  uint32_t errorstate;
+  
+  errorstate = SDMMC_CmdAppCommand(SDIOx, appCmdArg);
+  if(errorstate == HAL_SD_ERROR_NONE)
+  {
+    sdmmc_cmdinit.Argument         = blockCount;
+    sdmmc_cmdinit.CmdIndex         = SDMMC_CMD_SET_BLOCK_COUNT;
+    sdmmc_cmdinit.Response         = SDIO_RESPONSE_SHORT;
+    sdmmc_cmdinit.WaitForInterrupt = SDIO_WAIT_NO;
+    sdmmc_cmdinit.CPSM             = SDIO_CPSM_ENABLE;
+    (void)SDIO_SendCommand(SDIOx, &sdmmc_cmdinit);
+    errorstate = SDMMC_GetCmdResp1(SDIOx, SDMMC_CMD_SET_BLOCK_COUNT, SDIO_CMDTIMEOUT);
+  }
+
+  return errorstate;
+}
+
 /**
   * @brief  Send the Write Multi Block command and check the response
   * @param  SDIOx: Pointer to SDIO register base 

lib/SCSI2SD/STM32CubeMX/revF/Src/sdio.c

@@ -40,6 +40,8 @@ void MX_SDIO_SD_Init(void)
   hsd.Init.BusWide = SDIO_BUS_WIDE_1B;
   hsd.Init.HardwareFlowControl = SDIO_HARDWARE_FLOW_CONTROL_DISABLE;
   hsd.Init.ClockDiv = 0;
+
+  /*
   if (HAL_SD_Init(&hsd) != HAL_OK)
   {
     Error_Handler();
@@ -47,8 +49,7 @@ void MX_SDIO_SD_Init(void)
   if (HAL_SD_ConfigWideBusOperation(&hsd, SDIO_BUS_WIDE_4B) != HAL_OK)
   {
     Error_Handler();
-  }
-
+  }*/
 }
 
 void HAL_SD_MspInit(SD_HandleTypeDef* sdHandle)

lib/SCSI2SD/STM32CubeMX/revF/Src/spi.c

@@ -37,6 +37,8 @@ void MX_SPI1_Init(void)
   hspi1.Init.CLKPolarity = SPI_POLARITY_HIGH;
   hspi1.Init.CLKPhase = SPI_PHASE_2EDGE;
   hspi1.Init.NSS = SPI_NSS_SOFT;
+
+  // 13.5Mbaud FPGA device allows up to 25MHz write
   hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_4;
   hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
   hspi1.Init.TIMode = SPI_TIMODE_DISABLE;

lib/SCSI2SD/STM32CubeMX/revF/Src/usbd_conf.c

@@ -357,9 +357,11 @@ USBD_StatusTypeDef USBD_LL_Init(USBD_HandleTypeDef *pdev)
   HAL_PCD_RegisterIsoOutIncpltCallback(&hpcd_USB_OTG_FS, PCD_ISOOUTIncompleteCallback);
   HAL_PCD_RegisterIsoInIncpltCallback(&hpcd_USB_OTG_FS, PCD_ISOINIncompleteCallback);
 #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
+  // Combined RX + TX fifo of 0x140 4-byte words (1280 bytes)
   HAL_PCDEx_SetRxFiFo(&hpcd_USB_OTG_FS, 0x80);
   HAL_PCDEx_SetTxFiFo(&hpcd_USB_OTG_FS, 0, 0x40);
-  HAL_PCDEx_SetTxFiFo(&hpcd_USB_OTG_FS, 1, 0x80);
+  HAL_PCDEx_SetTxFiFo(&hpcd_USB_OTG_FS, 1, 0x40);
+  HAL_PCDEx_SetTxFiFo(&hpcd_USB_OTG_FS, 2, 0x40);
   }
   return USBD_OK;
 }