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-rw-r--r--stmhal/hal/l4/inc/stm32l4xx_hal_sd.h10
-rw-r--r--stmhal/hal/l4/src/stm32l4xx_hal_sd.c54
2 files changed, 45 insertions, 19 deletions
diff --git a/stmhal/hal/l4/inc/stm32l4xx_hal_sd.h b/stmhal/hal/l4/inc/stm32l4xx_hal_sd.h
index 3735978cf6..1baa66a9d2 100644
--- a/stmhal/hal/l4/inc/stm32l4xx_hal_sd.h
+++ b/stmhal/hal/l4/inc/stm32l4xx_hal_sd.h
@@ -643,8 +643,9 @@ void HAL_SD_MspDeInit(SD_HandleTypeDef *hsd);
* @{
*/
/* Blocking mode: Polling */
-HAL_SD_ErrorTypedef HAL_SD_ReadBlocks(SD_HandleTypeDef *hsd, uint32_t *pReadBuffer, uint64_t ReadAddr, uint32_t BlockSize, uint32_t NumberOfBlocks);
-HAL_SD_ErrorTypedef HAL_SD_WriteBlocks(SD_HandleTypeDef *hsd, uint32_t *pWriteBuffer, uint64_t WriteAddr, uint32_t BlockSize, uint32_t NumberOfBlocks);
+// dpgeorge: read/write functions renamed to emphasise that address is given by block number
+HAL_SD_ErrorTypedef HAL_SD_ReadBlocks_BlockNumber(SD_HandleTypeDef *hsd, uint32_t *pReadBuffer, uint32_t BlockNumber, uint32_t BlockSize, uint32_t NumberOfBlocks);
+HAL_SD_ErrorTypedef HAL_SD_WriteBlocks_BlockNumber(SD_HandleTypeDef *hsd, uint32_t *pWriteBuffer, uint32_t BlockNumber, uint32_t BlockSize, uint32_t NumberOfBlocks);
HAL_SD_ErrorTypedef HAL_SD_Erase(SD_HandleTypeDef *hsd, uint64_t startaddr, uint64_t endaddr);
/* Non-Blocking mode: Interrupt */
@@ -659,8 +660,9 @@ void HAL_SD_XferCpltCallback(SD_HandleTypeDef *hsd);
void HAL_SD_XferErrorCallback(SD_HandleTypeDef *hsd);
/* Non-Blocking mode: DMA */
-HAL_SD_ErrorTypedef HAL_SD_ReadBlocks_DMA(SD_HandleTypeDef *hsd, uint32_t *pReadBuffer, uint64_t ReadAddr, uint32_t BlockSize, uint32_t NumberOfBlocks);
-HAL_SD_ErrorTypedef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint32_t *pWriteBuffer, uint64_t WriteAddr, uint32_t BlockSize, uint32_t NumberOfBlocks);
+// dpgeorge: read/write functions renamed to emphasise that address is given by block number
+HAL_SD_ErrorTypedef HAL_SD_ReadBlocks_BlockNumber_DMA(SD_HandleTypeDef *hsd, uint32_t *pReadBuffer, uint32_t BlockNumber, uint32_t BlockSize, uint32_t NumberOfBlocks);
+HAL_SD_ErrorTypedef HAL_SD_WriteBlocks_BlockNumber_DMA(SD_HandleTypeDef *hsd, uint32_t *pWriteBuffer, uint32_t BlockNumber, uint32_t BlockSize, uint32_t NumberOfBlocks);
HAL_SD_ErrorTypedef HAL_SD_CheckWriteOperation(SD_HandleTypeDef *hsd, uint32_t Timeout);
HAL_SD_ErrorTypedef HAL_SD_CheckReadOperation(SD_HandleTypeDef *hsd, uint32_t Timeout);
/**
diff --git a/stmhal/hal/l4/src/stm32l4xx_hal_sd.c b/stmhal/hal/l4/src/stm32l4xx_hal_sd.c
index 6956fb925d..10d4e8b0e5 100644
--- a/stmhal/hal/l4/src/stm32l4xx_hal_sd.c
+++ b/stmhal/hal/l4/src/stm32l4xx_hal_sd.c
@@ -459,13 +459,13 @@ __weak void HAL_SD_MspDeInit(SD_HandleTypeDef *hsd)
* is managed by polling mode.
* @param hsd: SD handle
* @param pReadBuffer: pointer to the buffer that will contain the received data
- * @param ReadAddr: Address from where data is to be read
+ * @param BlockNumber: Block number from where data is to be read (byte address = BlockNumber * BlockSize)
* @param BlockSize: SD card Data block size
* @note BlockSize must be 512 bytes.
* @param NumberOfBlocks: Number of SD blocks to read
* @retval SD Card error state
*/
-HAL_SD_ErrorTypedef HAL_SD_ReadBlocks(SD_HandleTypeDef *hsd, uint32_t *pReadBuffer, uint64_t ReadAddr, uint32_t BlockSize, uint32_t NumberOfBlocks)
+HAL_SD_ErrorTypedef HAL_SD_ReadBlocks_BlockNumber(SD_HandleTypeDef *hsd, uint32_t *pReadBuffer, uint32_t BlockNumber, uint32_t BlockSize, uint32_t NumberOfBlocks)
{
SDMMC_CmdInitTypeDef sdmmc_cmdinitstructure;
SDMMC_DataInitTypeDef sdmmc_datainitstructure;
@@ -475,10 +475,16 @@ HAL_SD_ErrorTypedef HAL_SD_ReadBlocks(SD_HandleTypeDef *hsd, uint32_t *pReadBuff
/* Initialize data control register */
hsd->Instance->DCTRL = 0;
+ uint32_t ReadAddr;
if (hsd->CardType == HIGH_CAPACITY_SD_CARD)
{
BlockSize = 512;
- ReadAddr /= 512;
+ ReadAddr = BlockNumber;
+ }
+ else
+ {
+ // should not overflow for standard-capacity cards
+ ReadAddr = BlockNumber * BlockSize;
}
/* Set Block Size for Card */
@@ -517,7 +523,7 @@ HAL_SD_ErrorTypedef HAL_SD_ReadBlocks(SD_HandleTypeDef *hsd, uint32_t *pReadBuff
sdmmc_cmdinitstructure.CmdIndex = SD_CMD_READ_SINGLE_BLOCK;
}
- sdmmc_cmdinitstructure.Argument = (uint32_t)ReadAddr;
+ sdmmc_cmdinitstructure.Argument = ReadAddr;
SDMMC_SendCommand(hsd->Instance, &sdmmc_cmdinitstructure);
/* Read block(s) in polling mode */
@@ -635,13 +641,13 @@ HAL_SD_ErrorTypedef HAL_SD_ReadBlocks(SD_HandleTypeDef *hsd, uint32_t *pReadBuff
* transfer is managed by polling mode.
* @param hsd: SD handle
* @param pWriteBuffer: pointer to the buffer that will contain the data to transmit
- * @param WriteAddr: Address from where data is to be written
+ * @param BlockNumber: Block number to where data is to be written (byte address = BlockNumber * BlockSize)
* @param BlockSize: SD card Data block size
* @note BlockSize must be 512 bytes.
* @param NumberOfBlocks: Number of SD blocks to write
* @retval SD Card error state
*/
-HAL_SD_ErrorTypedef HAL_SD_WriteBlocks(SD_HandleTypeDef *hsd, uint32_t *pWriteBuffer, uint64_t WriteAddr, uint32_t BlockSize, uint32_t NumberOfBlocks)
+HAL_SD_ErrorTypedef HAL_SD_WriteBlocks_BlockNumber(SD_HandleTypeDef *hsd, uint32_t *pWriteBuffer, uint32_t BlockNumber, uint32_t BlockSize, uint32_t NumberOfBlocks)
{
SDMMC_CmdInitTypeDef sdmmc_cmdinitstructure;
SDMMC_DataInitTypeDef sdmmc_datainitstructure;
@@ -653,10 +659,16 @@ HAL_SD_ErrorTypedef HAL_SD_WriteBlocks(SD_HandleTypeDef *hsd, uint32_t *pWriteBu
/* Initialize data control register */
hsd->Instance->DCTRL = 0;
+ uint32_t WriteAddr;
if (hsd->CardType == HIGH_CAPACITY_SD_CARD)
{
BlockSize = 512;
- WriteAddr /= 512;
+ WriteAddr = BlockNumber;
+ }
+ else
+ {
+ // should not overflow for standard-capacity cards
+ WriteAddr = BlockNumber * BlockSize;
}
/* Set Block Size for Card */
@@ -686,7 +698,7 @@ HAL_SD_ErrorTypedef HAL_SD_WriteBlocks(SD_HandleTypeDef *hsd, uint32_t *pWriteBu
sdmmc_cmdinitstructure.CmdIndex = SD_CMD_WRITE_SINGLE_BLOCK;
}
- sdmmc_cmdinitstructure.Argument = (uint32_t)WriteAddr;
+ sdmmc_cmdinitstructure.Argument = WriteAddr;
SDMMC_SendCommand(hsd->Instance, &sdmmc_cmdinitstructure);
/* Check for error conditions */
@@ -845,13 +857,13 @@ HAL_SD_ErrorTypedef HAL_SD_WriteBlocks(SD_HandleTypeDef *hsd, uint32_t *pWriteBu
* to check the completion of the read process
* @param hsd: SD handle
* @param pReadBuffer: Pointer to the buffer that will contain the received data
- * @param ReadAddr: Address from where data is to be read
+ * @param BlockNumber: Block number from where data is to be read (byte address = BlockNumber * BlockSize)
* @param BlockSize: SD card Data block size
* @note BlockSize must be 512 bytes.
* @param NumberOfBlocks: Number of blocks to read.
* @retval SD Card error state
*/
-HAL_SD_ErrorTypedef HAL_SD_ReadBlocks_DMA(SD_HandleTypeDef *hsd, uint32_t *pReadBuffer, uint64_t ReadAddr, uint32_t BlockSize, uint32_t NumberOfBlocks)
+HAL_SD_ErrorTypedef HAL_SD_ReadBlocks_BlockNumber_DMA(SD_HandleTypeDef *hsd, uint32_t *pReadBuffer, uint32_t BlockNumber, uint32_t BlockSize, uint32_t NumberOfBlocks)
{
SDMMC_CmdInitTypeDef sdmmc_cmdinitstructure;
SDMMC_DataInitTypeDef sdmmc_datainitstructure;
@@ -895,10 +907,16 @@ HAL_SD_ErrorTypedef HAL_SD_ReadBlocks_DMA(SD_HandleTypeDef *hsd, uint32_t *pRead
/* Enable the DMA Channel */
HAL_DMA_Start_IT(hsd->hdmarx, (uint32_t)&hsd->Instance->FIFO, (uint32_t)pReadBuffer, (uint32_t)(BlockSize * NumberOfBlocks)/4);
+ uint32_t ReadAddr;
if (hsd->CardType == HIGH_CAPACITY_SD_CARD)
{
BlockSize = 512;
- ReadAddr /= 512;
+ ReadAddr = BlockNumber;
+ }
+ else
+ {
+ // should not overflow for standard-capacity cards
+ ReadAddr = BlockNumber * BlockSize;
}
/* Set Block Size for Card */
@@ -938,7 +956,7 @@ HAL_SD_ErrorTypedef HAL_SD_ReadBlocks_DMA(SD_HandleTypeDef *hsd, uint32_t *pRead
sdmmc_cmdinitstructure.CmdIndex = SD_CMD_READ_SINGLE_BLOCK;
}
- sdmmc_cmdinitstructure.Argument = (uint32_t)ReadAddr;
+ sdmmc_cmdinitstructure.Argument = ReadAddr;
SDMMC_SendCommand(hsd->Instance, &sdmmc_cmdinitstructure);
/* Check for error conditions */
@@ -965,13 +983,13 @@ HAL_SD_ErrorTypedef HAL_SD_ReadBlocks_DMA(SD_HandleTypeDef *hsd, uint32_t *pRead
* to check the completion of the write process (by SD current status polling).
* @param hsd: SD handle
* @param pWriteBuffer: pointer to the buffer that will contain the data to transmit
- * @param WriteAddr: Address from where data is to be read
+ * @param @param BlockNumber: Block number to where data is to be written (byte address = BlockNumber * BlockSize)
* @param BlockSize: the SD card Data block size
* @note BlockSize must be 512 bytes.
* @param NumberOfBlocks: Number of blocks to write
* @retval SD Card error state
*/
-HAL_SD_ErrorTypedef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint32_t *pWriteBuffer, uint64_t WriteAddr, uint32_t BlockSize, uint32_t NumberOfBlocks)
+HAL_SD_ErrorTypedef HAL_SD_WriteBlocks_BlockNumber_DMA(SD_HandleTypeDef *hsd, uint32_t *pWriteBuffer, uint32_t BlockNumber, uint32_t BlockSize, uint32_t NumberOfBlocks)
{
SDMMC_CmdInitTypeDef sdmmc_cmdinitstructure;
SDMMC_DataInitTypeDef sdmmc_datainitstructure;
@@ -1015,10 +1033,16 @@ HAL_SD_ErrorTypedef HAL_SD_WriteBlocks_DMA(SD_HandleTypeDef *hsd, uint32_t *pWri
/* Enable SDMMC DMA transfer */
__HAL_SD_SDMMC_DMA_ENABLE(hsd);
+ uint32_t WriteAddr;
if (hsd->CardType == HIGH_CAPACITY_SD_CARD)
{
BlockSize = 512;
- WriteAddr /= 512;
+ WriteAddr = BlockNumber;
+ }
+ else
+ {
+ // should not overflow for standard-capacity cards
+ WriteAddr = BlockNumber * BlockSize;
}
/* Set Block Size for Card */
generated by cgit v1.2.3 (git 2.39.1) at 2025-05-31 20:29:10 +0000