diff options
Diffstat (limited to 'bsps/arm/stm32h7/hal/stm32h7xx_ll_sdmmc.c')
| -rw-r--r-- | bsps/arm/stm32h7/hal/stm32h7xx_ll_sdmmc.c | 325 |
1 files changed, 194 insertions, 131 deletions
diff --git a/bsps/arm/stm32h7/hal/stm32h7xx_ll_sdmmc.c b/bsps/arm/stm32h7/hal/stm32h7xx_ll_sdmmc.c index 46345aeb84..b5a48964c4 100644 --- a/bsps/arm/stm32h7/hal/stm32h7xx_ll_sdmmc.c +++ b/bsps/arm/stm32h7/hal/stm32h7xx_ll_sdmmc.c @@ -11,6 +11,17 @@ * + Peripheral Control functions * + Peripheral State functions * + ****************************************************************************** + * @attention + * + * Copyright (c) 2017 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** @verbatim ============================================================================== ##### SDMMC peripheral features ##### @@ -137,17 +148,6 @@ @endverbatim ****************************************************************************** - * @attention - * - * <h2><center>© Copyright (c) 2017 STMicroelectronics. - * All rights reserved.</center></h2> - * - * This software component is licensed by ST under BSD 3-Clause license, - * the "License"; You may not use this file except in compliance with the - * License. You may obtain a copy of the License at: - * opensource.org/licenses/BSD-3-Clause - * - ****************************************************************************** */ /* Includes ------------------------------------------------------------------*/ @@ -171,11 +171,6 @@ /* Private variables ---------------------------------------------------------*/ /* Private function prototypes -----------------------------------------------*/ static uint32_t SDMMC_GetCmdError(SDMMC_TypeDef *SDMMCx); -static uint32_t SDMMC_GetCmdResp1(SDMMC_TypeDef *SDMMCx, uint8_t SD_CMD, uint32_t Timeout); -static uint32_t SDMMC_GetCmdResp2(SDMMC_TypeDef *SDMMCx); -static uint32_t SDMMC_GetCmdResp3(SDMMC_TypeDef *SDMMCx); -static uint32_t SDMMC_GetCmdResp7(SDMMC_TypeDef *SDMMCx); -static uint32_t SDMMC_GetCmdResp6(SDMMC_TypeDef *SDMMCx, uint8_t SD_CMD, uint16_t *pRCA); /* Exported functions --------------------------------------------------------*/ @@ -186,8 +181,8 @@ static uint32_t SDMMC_GetCmdResp6(SDMMC_TypeDef *SDMMCx, uint8_t SD_CMD, uint16_ /** @defgroup HAL_SDMMC_LL_Group1 Initialization de-initialization functions * @ingroup RTEMSBSPsARMSTM32H7 - * @brief Initialization and Configuration functions - * + * @brief Initialization and Configuration functions + * @verbatim =============================================================================== ##### Initialization/de-initialization functions ##### @@ -218,12 +213,12 @@ HAL_StatusTypeDef SDMMC_Init(SDMMC_TypeDef *SDMMCx, SDMMC_InitTypeDef Init) assert_param(IS_SDMMC_CLKDIV(Init.ClockDiv)); /* Set SDMMC configuration parameters */ - tmpreg |= (Init.ClockEdge |\ - Init.ClockPowerSave |\ - Init.BusWide |\ - Init.HardwareFlowControl |\ + tmpreg |= (Init.ClockEdge | \ + Init.ClockPowerSave | \ + Init.BusWide | \ + Init.HardwareFlowControl | \ Init.ClockDiv - ); + ); /* Write to SDMMC CLKCR */ MODIFY_REG(SDMMCx->CLKCR, CLKCR_CLEAR_MASK, tmpreg); @@ -238,8 +233,8 @@ HAL_StatusTypeDef SDMMC_Init(SDMMC_TypeDef *SDMMCx, SDMMC_InitTypeDef Init) /** @defgroup HAL_SDMMC_LL_Group2 IO operation functions * @ingroup RTEMSBSPsARMSTM32H7 - * @brief Data transfers functions - * + * @brief Data transfers functions + * @verbatim =============================================================================== ##### I/O operation functions ##### @@ -283,8 +278,8 @@ HAL_StatusTypeDef SDMMC_WriteFIFO(SDMMC_TypeDef *SDMMCx, uint32_t *pWriteData) /** @defgroup HAL_SDMMC_LL_Group3 Peripheral Control functions * @ingroup RTEMSBSPsARMSTM32H7 - * @brief management functions - * + * @brief management functions + * @verbatim =============================================================================== ##### Peripheral Control functions ##### @@ -372,9 +367,9 @@ HAL_StatusTypeDef SDMMC_SendCommand(SDMMC_TypeDef *SDMMCx, SDMMC_CmdInitTypeDef SDMMCx->ARG = Command->Argument; /* Set SDMMC command parameters */ - tmpreg |= (uint32_t)(Command->CmdIndex |\ - Command->Response |\ - Command->WaitForInterrupt |\ + tmpreg |= (uint32_t)(Command->CmdIndex | \ + Command->Response | \ + Command->WaitForInterrupt | \ Command->CPSM); /* Write to SDMMC CMD register */ @@ -426,7 +421,7 @@ uint32_t SDMMC_GetResponse(SDMMC_TypeDef *SDMMCx, uint32_t Response) * that contains the configuration information for the SDMMC data. * @retval HAL status */ -HAL_StatusTypeDef SDMMC_ConfigData(SDMMC_TypeDef *SDMMCx, SDMMC_DataInitTypeDef* Data) +HAL_StatusTypeDef SDMMC_ConfigData(SDMMC_TypeDef *SDMMCx, SDMMC_DataInitTypeDef *Data) { uint32_t tmpreg = 0; @@ -444,9 +439,9 @@ HAL_StatusTypeDef SDMMC_ConfigData(SDMMC_TypeDef *SDMMCx, SDMMC_DataInitTypeDef* SDMMCx->DLEN = Data->DataLength; /* Set the SDMMC data configuration parameters */ - tmpreg |= (uint32_t)(Data->DataBlockSize |\ - Data->TransferDir |\ - Data->TransferMode |\ + tmpreg |= (uint32_t)(Data->DataBlockSize | \ + Data->TransferDir | \ + Data->TransferMode | \ Data->DPSM); /* Write to SDMMC DCTRL */ @@ -503,8 +498,8 @@ HAL_StatusTypeDef SDMMC_SetSDMMCReadWaitMode(SDMMC_TypeDef *SDMMCx, uint32_t SDM /** @defgroup HAL_SDMMC_LL_Group4 Command management functions * @ingroup RTEMSBSPsARMSTM32H7 - * @brief Data transfers functions - * + * @brief Data transfers functions + * @verbatim =============================================================================== ##### Commands management functions ##### @@ -517,7 +512,7 @@ HAL_StatusTypeDef SDMMC_SetSDMMCReadWaitMode(SDMMC_TypeDef *SDMMCx, uint32_t SDM */ /** - * @brief Send the Data Block Lenght command and check the response + * @brief Send the Data Block Length command and check the response * @param SDMMCx: Pointer to SDMMC register base * @retval HAL status */ @@ -734,16 +729,17 @@ uint32_t SDMMC_CmdEraseEndAdd(SDMMC_TypeDef *SDMMCx, uint32_t EndAdd) /** * @brief Send the Erase command and check the response - * @param SDMMCx: Pointer to SDMMC register base + * @param SDMMCx Pointer to SDMMC register base + * @param EraseType Type of erase to be performed * @retval HAL status */ -uint32_t SDMMC_CmdErase(SDMMC_TypeDef *SDMMCx) +uint32_t SDMMC_CmdErase(SDMMC_TypeDef *SDMMCx, uint32_t EraseType) { SDMMC_CmdInitTypeDef sdmmc_cmdinit; uint32_t errorstate; /* Set Block Size for Card */ - sdmmc_cmdinit.Argument = 0U; + sdmmc_cmdinit.Argument = EraseType; sdmmc_cmdinit.CmdIndex = SDMMC_CMD_ERASE; sdmmc_cmdinit.Response = SDMMC_RESPONSE_SHORT; sdmmc_cmdinit.WaitForInterrupt = SDMMC_WAIT_NO; @@ -798,7 +794,7 @@ uint32_t SDMMC_CmdStopTransfer(SDMMC_TypeDef *SDMMCx) * @param addr: Address of the card to be selected * @retval HAL status */ -uint32_t SDMMC_CmdSelDesel(SDMMC_TypeDef *SDMMCx, uint64_t Addr) +uint32_t SDMMC_CmdSelDesel(SDMMC_TypeDef *SDMMCx, uint32_t Addr) { SDMMC_CmdInitTypeDef sdmmc_cmdinit; uint32_t errorstate; @@ -1045,6 +1041,56 @@ uint32_t SDMMC_CmdSetRelAdd(SDMMC_TypeDef *SDMMCx, uint16_t *pRCA) } /** + * @brief Send the Set Relative Address command to MMC card (not SD card). + * @param SDMMCx Pointer to SDMMC register base + * @param RCA Card RCA + * @retval HAL status + */ +uint32_t SDMMC_CmdSetRelAddMmc(SDMMC_TypeDef *SDMMCx, uint16_t RCA) +{ + SDMMC_CmdInitTypeDef sdmmc_cmdinit; + uint32_t errorstate; + + /* Send CMD3 SD_CMD_SET_REL_ADDR */ + sdmmc_cmdinit.Argument = ((uint32_t)RCA << 16U); + sdmmc_cmdinit.CmdIndex = SDMMC_CMD_SET_REL_ADDR; + sdmmc_cmdinit.Response = SDMMC_RESPONSE_SHORT; + sdmmc_cmdinit.WaitForInterrupt = SDMMC_WAIT_NO; + sdmmc_cmdinit.CPSM = SDMMC_CPSM_ENABLE; + (void)SDMMC_SendCommand(SDMMCx, &sdmmc_cmdinit); + + /* Check for error conditions */ + errorstate = SDMMC_GetCmdResp1(SDMMCx, SDMMC_CMD_SET_REL_ADDR, SDMMC_CMDTIMEOUT); + + return errorstate; +} + +/** + * @brief Send the Sleep command to MMC card (not SD card). + * @param SDMMCx Pointer to SDMMC register base + * @param Argument Argument of the command (RCA and Sleep/Awake) + * @retval HAL status + */ +uint32_t SDMMC_CmdSleepMmc(SDMMC_TypeDef *SDMMCx, uint32_t Argument) +{ + SDMMC_CmdInitTypeDef sdmmc_cmdinit; + uint32_t errorstate; + + /* Send CMD5 SDMMC_CMD_MMC_SLEEP_AWAKE */ + sdmmc_cmdinit.Argument = Argument; + sdmmc_cmdinit.CmdIndex = SDMMC_CMD_MMC_SLEEP_AWAKE; + sdmmc_cmdinit.Response = SDMMC_RESPONSE_SHORT; + sdmmc_cmdinit.WaitForInterrupt = SDMMC_WAIT_NO; + sdmmc_cmdinit.CPSM = SDMMC_CPSM_ENABLE; + (void)SDMMC_SendCommand(SDMMCx, &sdmmc_cmdinit); + + /* Check for error conditions */ + errorstate = SDMMC_GetCmdResp1(SDMMCx, SDMMC_CMD_MMC_SLEEP_AWAKE, SDMMC_CMDTIMEOUT); + + return errorstate; +} + +/** * @brief Send the Status command and check the response. * @param SDMMCx: Pointer to SDMMC register base * @param Argument: Command Argument @@ -1117,7 +1163,7 @@ uint32_t SDMMC_CmdOpCondition(SDMMC_TypeDef *SDMMCx, uint32_t Argument) } /** - * @brief Checks switchable function and switch card function. SDMMC_CMD_HS_SWITCH comand + * @brief Checks switchable function and switch card function. SDMMC_CMD_HS_SWITCH command * @param SDMMCx: Pointer to SDMMC register base * @parame Argument: Argument used for the command * @retval HAL status @@ -1129,7 +1175,7 @@ uint32_t SDMMC_CmdSwitch(SDMMC_TypeDef *SDMMCx, uint32_t Argument) /* Send CMD6 to activate SDR50 Mode and Power Limit 1.44W */ /* CMD Response: R1 */ - sdmmc_cmdinit.Argument = Argument; /* SDMMC_SDR25_SWITCH_PATTERN;*/ + sdmmc_cmdinit.Argument = Argument; /* SDMMC_SDR25_SWITCH_PATTERN*/ sdmmc_cmdinit.CmdIndex = SDMMC_CMD_HS_SWITCH; sdmmc_cmdinit.Response = SDMMC_RESPONSE_SHORT; sdmmc_cmdinit.WaitForInterrupt = SDMMC_WAIT_NO; @@ -1186,61 +1232,44 @@ uint32_t SDMMC_CmdSendEXTCSD(SDMMC_TypeDef *SDMMCx, uint32_t Argument) (void)SDMMC_SendCommand(SDMMCx, &sdmmc_cmdinit); /* Check for error conditions */ - errorstate = SDMMC_GetCmdResp1(SDMMCx, SDMMC_CMD_HS_SEND_EXT_CSD,SDMMC_CMDTIMEOUT); + errorstate = SDMMC_GetCmdResp1(SDMMCx, SDMMC_CMD_HS_SEND_EXT_CSD, SDMMC_CMDTIMEOUT); return errorstate; } - /** * @} */ -/* Private function ----------------------------------------------------------*/ -/** @addtogroup SD_Private_Functions - * @{ - */ - -/** - * @brief Checks for error conditions for CMD0. - * @param hsd: SD handle - * @retval SD Card error state - */ -static uint32_t SDMMC_GetCmdError(SDMMC_TypeDef *SDMMCx) -{ - /* 8 is the number of required instructions cycles for the below loop statement. - The SDMMC_CMDTIMEOUT is expressed in ms */ - register uint32_t count = SDMMC_CMDTIMEOUT * (SystemCoreClock / 8U /1000U); - - do - { - if (count-- == 0U) - { - return SDMMC_ERROR_TIMEOUT; - } - }while(!__SDMMC_GET_FLAG(SDMMCx, SDMMC_FLAG_CMDSENT)); - - /* Clear all the static flags */ - __SDMMC_CLEAR_FLAG(SDMMCx, SDMMC_STATIC_CMD_FLAGS); - - return SDMMC_ERROR_NONE; -} +/** @defgroup HAL_SDMMC_LL_Group5 Responses management functions + * @ingroup RTEMSBSPsARMSTM32H7 + * @brief Responses functions + * +@verbatim + =============================================================================== + ##### Responses management functions ##### + =============================================================================== + [..] + This subsection provides a set of functions allowing to manage the needed responses. +@endverbatim + * @{ + */ /** * @brief Checks for error conditions for R1 response. * @param hsd: SD handle * @param SD_CMD: The sent command index * @retval SD Card error state */ -static uint32_t SDMMC_GetCmdResp1(SDMMC_TypeDef *SDMMCx, uint8_t SD_CMD, uint32_t Timeout) +uint32_t SDMMC_GetCmdResp1(SDMMC_TypeDef *SDMMCx, uint8_t SD_CMD, uint32_t Timeout) { uint32_t response_r1; uint32_t sta_reg; /* 8 is the number of required instructions cycles for the below loop statement. The Timeout is expressed in ms */ - register uint32_t count = Timeout * (SystemCoreClock / 8U /1000U); + uint32_t count = Timeout * (SystemCoreClock / 8U / 1000U); do { @@ -1249,16 +1278,16 @@ static uint32_t SDMMC_GetCmdResp1(SDMMC_TypeDef *SDMMCx, uint8_t SD_CMD, uint32_ return SDMMC_ERROR_TIMEOUT; } sta_reg = SDMMCx->STA; - }while(((sta_reg & (SDMMC_FLAG_CCRCFAIL | SDMMC_FLAG_CMDREND | SDMMC_FLAG_CTIMEOUT | SDMMC_FLAG_BUSYD0END)) == 0U) || - ((sta_reg & SDMMC_FLAG_CMDACT) != 0U )); + } while (((sta_reg & (SDMMC_FLAG_CCRCFAIL | SDMMC_FLAG_CMDREND | SDMMC_FLAG_CTIMEOUT | + SDMMC_FLAG_BUSYD0END)) == 0U) || ((sta_reg & SDMMC_FLAG_CMDACT) != 0U)); - if(__SDMMC_GET_FLAG(SDMMCx, SDMMC_FLAG_CTIMEOUT)) + if (__SDMMC_GET_FLAG(SDMMCx, SDMMC_FLAG_CTIMEOUT)) { __SDMMC_CLEAR_FLAG(SDMMCx, SDMMC_FLAG_CTIMEOUT); return SDMMC_ERROR_CMD_RSP_TIMEOUT; } - else if(__SDMMC_GET_FLAG(SDMMCx, SDMMC_FLAG_CCRCFAIL)) + else if (__SDMMC_GET_FLAG(SDMMCx, SDMMC_FLAG_CCRCFAIL)) { __SDMMC_CLEAR_FLAG(SDMMCx, SDMMC_FLAG_CCRCFAIL); @@ -1273,7 +1302,7 @@ static uint32_t SDMMC_GetCmdResp1(SDMMC_TypeDef *SDMMCx, uint8_t SD_CMD, uint32_ __SDMMC_CLEAR_FLAG(SDMMCx, SDMMC_STATIC_CMD_FLAGS); /* Check response received is of desired command */ - if(SDMMC_GetCommandResponse(SDMMCx) != SD_CMD) + if (SDMMC_GetCommandResponse(SDMMCx) != SD_CMD) { return SDMMC_ERROR_CMD_CRC_FAIL; } @@ -1281,79 +1310,79 @@ static uint32_t SDMMC_GetCmdResp1(SDMMC_TypeDef *SDMMCx, uint8_t SD_CMD, uint32_ /* We have received response, retrieve it for analysis */ response_r1 = SDMMC_GetResponse(SDMMCx, SDMMC_RESP1); - if((response_r1 & SDMMC_OCR_ERRORBITS) == SDMMC_ALLZERO) + if ((response_r1 & SDMMC_OCR_ERRORBITS) == SDMMC_ALLZERO) { return SDMMC_ERROR_NONE; } - else if((response_r1 & SDMMC_OCR_ADDR_OUT_OF_RANGE) == SDMMC_OCR_ADDR_OUT_OF_RANGE) + else if ((response_r1 & SDMMC_OCR_ADDR_OUT_OF_RANGE) == SDMMC_OCR_ADDR_OUT_OF_RANGE) { return SDMMC_ERROR_ADDR_OUT_OF_RANGE; } - else if((response_r1 & SDMMC_OCR_ADDR_MISALIGNED) == SDMMC_OCR_ADDR_MISALIGNED) + else if ((response_r1 & SDMMC_OCR_ADDR_MISALIGNED) == SDMMC_OCR_ADDR_MISALIGNED) { return SDMMC_ERROR_ADDR_MISALIGNED; } - else if((response_r1 & SDMMC_OCR_BLOCK_LEN_ERR) == SDMMC_OCR_BLOCK_LEN_ERR) + else if ((response_r1 & SDMMC_OCR_BLOCK_LEN_ERR) == SDMMC_OCR_BLOCK_LEN_ERR) { return SDMMC_ERROR_BLOCK_LEN_ERR; } - else if((response_r1 & SDMMC_OCR_ERASE_SEQ_ERR) == SDMMC_OCR_ERASE_SEQ_ERR) + else if ((response_r1 & SDMMC_OCR_ERASE_SEQ_ERR) == SDMMC_OCR_ERASE_SEQ_ERR) { return SDMMC_ERROR_ERASE_SEQ_ERR; } - else if((response_r1 & SDMMC_OCR_BAD_ERASE_PARAM) == SDMMC_OCR_BAD_ERASE_PARAM) + else if ((response_r1 & SDMMC_OCR_BAD_ERASE_PARAM) == SDMMC_OCR_BAD_ERASE_PARAM) { return SDMMC_ERROR_BAD_ERASE_PARAM; } - else if((response_r1 & SDMMC_OCR_WRITE_PROT_VIOLATION) == SDMMC_OCR_WRITE_PROT_VIOLATION) + else if ((response_r1 & SDMMC_OCR_WRITE_PROT_VIOLATION) == SDMMC_OCR_WRITE_PROT_VIOLATION) { return SDMMC_ERROR_WRITE_PROT_VIOLATION; } - else if((response_r1 & SDMMC_OCR_LOCK_UNLOCK_FAILED) == SDMMC_OCR_LOCK_UNLOCK_FAILED) + else if ((response_r1 & SDMMC_OCR_LOCK_UNLOCK_FAILED) == SDMMC_OCR_LOCK_UNLOCK_FAILED) { return SDMMC_ERROR_LOCK_UNLOCK_FAILED; } - else if((response_r1 & SDMMC_OCR_COM_CRC_FAILED) == SDMMC_OCR_COM_CRC_FAILED) + else if ((response_r1 & SDMMC_OCR_COM_CRC_FAILED) == SDMMC_OCR_COM_CRC_FAILED) { return SDMMC_ERROR_COM_CRC_FAILED; } - else if((response_r1 & SDMMC_OCR_ILLEGAL_CMD) == SDMMC_OCR_ILLEGAL_CMD) + else if ((response_r1 & SDMMC_OCR_ILLEGAL_CMD) == SDMMC_OCR_ILLEGAL_CMD) { return SDMMC_ERROR_ILLEGAL_CMD; } - else if((response_r1 & SDMMC_OCR_CARD_ECC_FAILED) == SDMMC_OCR_CARD_ECC_FAILED) + else if ((response_r1 & SDMMC_OCR_CARD_ECC_FAILED) == SDMMC_OCR_CARD_ECC_FAILED) { return SDMMC_ERROR_CARD_ECC_FAILED; } - else if((response_r1 & SDMMC_OCR_CC_ERROR) == SDMMC_OCR_CC_ERROR) + else if ((response_r1 & SDMMC_OCR_CC_ERROR) == SDMMC_OCR_CC_ERROR) { return SDMMC_ERROR_CC_ERR; } - else if((response_r1 & SDMMC_OCR_STREAM_READ_UNDERRUN) == SDMMC_OCR_STREAM_READ_UNDERRUN) + else if ((response_r1 & SDMMC_OCR_STREAM_READ_UNDERRUN) == SDMMC_OCR_STREAM_READ_UNDERRUN) { return SDMMC_ERROR_STREAM_READ_UNDERRUN; } - else if((response_r1 & SDMMC_OCR_STREAM_WRITE_OVERRUN) == SDMMC_OCR_STREAM_WRITE_OVERRUN) + else if ((response_r1 & SDMMC_OCR_STREAM_WRITE_OVERRUN) == SDMMC_OCR_STREAM_WRITE_OVERRUN) { return SDMMC_ERROR_STREAM_WRITE_OVERRUN; } - else if((response_r1 & SDMMC_OCR_CID_CSD_OVERWRITE) == SDMMC_OCR_CID_CSD_OVERWRITE) + else if ((response_r1 & SDMMC_OCR_CID_CSD_OVERWRITE) == SDMMC_OCR_CID_CSD_OVERWRITE) { return SDMMC_ERROR_CID_CSD_OVERWRITE; } - else if((response_r1 & SDMMC_OCR_WP_ERASE_SKIP) == SDMMC_OCR_WP_ERASE_SKIP) + else if ((response_r1 & SDMMC_OCR_WP_ERASE_SKIP) == SDMMC_OCR_WP_ERASE_SKIP) { return SDMMC_ERROR_WP_ERASE_SKIP; } - else if((response_r1 & SDMMC_OCR_CARD_ECC_DISABLED) == SDMMC_OCR_CARD_ECC_DISABLED) + else if ((response_r1 & SDMMC_OCR_CARD_ECC_DISABLED) == SDMMC_OCR_CARD_ECC_DISABLED) { return SDMMC_ERROR_CARD_ECC_DISABLED; } - else if((response_r1 & SDMMC_OCR_ERASE_RESET) == SDMMC_OCR_ERASE_RESET) + else if ((response_r1 & SDMMC_OCR_ERASE_RESET) == SDMMC_OCR_ERASE_RESET) { return SDMMC_ERROR_ERASE_RESET; } - else if((response_r1 & SDMMC_OCR_AKE_SEQ_ERROR) == SDMMC_OCR_AKE_SEQ_ERROR) + else if ((response_r1 & SDMMC_OCR_AKE_SEQ_ERROR) == SDMMC_OCR_AKE_SEQ_ERROR) { return SDMMC_ERROR_AKE_SEQ_ERR; } @@ -1368,12 +1397,12 @@ static uint32_t SDMMC_GetCmdResp1(SDMMC_TypeDef *SDMMCx, uint8_t SD_CMD, uint32_ * @param hsd: SD handle * @retval SD Card error state */ -static uint32_t SDMMC_GetCmdResp2(SDMMC_TypeDef *SDMMCx) +uint32_t SDMMC_GetCmdResp2(SDMMC_TypeDef *SDMMCx) { uint32_t sta_reg; /* 8 is the number of required instructions cycles for the below loop statement. The SDMMC_CMDTIMEOUT is expressed in ms */ - register uint32_t count = SDMMC_CMDTIMEOUT * (SystemCoreClock / 8U /1000U); + uint32_t count = SDMMC_CMDTIMEOUT * (SystemCoreClock / 8U / 1000U); do { @@ -1382,8 +1411,8 @@ static uint32_t SDMMC_GetCmdResp2(SDMMC_TypeDef *SDMMCx) return SDMMC_ERROR_TIMEOUT; } sta_reg = SDMMCx->STA; - }while(((sta_reg & (SDMMC_FLAG_CCRCFAIL | SDMMC_FLAG_CMDREND | SDMMC_FLAG_CTIMEOUT)) == 0U) || - ((sta_reg & SDMMC_FLAG_CMDACT) != 0U )); + } while (((sta_reg & (SDMMC_FLAG_CCRCFAIL | SDMMC_FLAG_CMDREND | SDMMC_FLAG_CTIMEOUT)) == 0U) || + ((sta_reg & SDMMC_FLAG_CMDACT) != 0U)); if (__SDMMC_GET_FLAG(SDMMCx, SDMMC_FLAG_CTIMEOUT)) { @@ -1412,12 +1441,12 @@ static uint32_t SDMMC_GetCmdResp2(SDMMC_TypeDef *SDMMCx) * @param hsd: SD handle * @retval SD Card error state */ -static uint32_t SDMMC_GetCmdResp3(SDMMC_TypeDef *SDMMCx) +uint32_t SDMMC_GetCmdResp3(SDMMC_TypeDef *SDMMCx) { uint32_t sta_reg; /* 8 is the number of required instructions cycles for the below loop statement. The SDMMC_CMDTIMEOUT is expressed in ms */ - register uint32_t count = SDMMC_CMDTIMEOUT * (SystemCoreClock / 8U /1000U); + uint32_t count = SDMMC_CMDTIMEOUT * (SystemCoreClock / 8U / 1000U); do { @@ -1426,10 +1455,10 @@ static uint32_t SDMMC_GetCmdResp3(SDMMC_TypeDef *SDMMCx) return SDMMC_ERROR_TIMEOUT; } sta_reg = SDMMCx->STA; - }while(((sta_reg & (SDMMC_FLAG_CCRCFAIL | SDMMC_FLAG_CMDREND | SDMMC_FLAG_CTIMEOUT)) == 0U) || - ((sta_reg & SDMMC_FLAG_CMDACT) != 0U )); + } while (((sta_reg & (SDMMC_FLAG_CCRCFAIL | SDMMC_FLAG_CMDREND | SDMMC_FLAG_CTIMEOUT)) == 0U) || + ((sta_reg & SDMMC_FLAG_CMDACT) != 0U)); - if(__SDMMC_GET_FLAG(SDMMCx, SDMMC_FLAG_CTIMEOUT)) + if (__SDMMC_GET_FLAG(SDMMCx, SDMMC_FLAG_CTIMEOUT)) { __SDMMC_CLEAR_FLAG(SDMMCx, SDMMC_FLAG_CTIMEOUT); @@ -1452,14 +1481,14 @@ static uint32_t SDMMC_GetCmdResp3(SDMMC_TypeDef *SDMMCx) * address RCA * @retval SD Card error state */ -static uint32_t SDMMC_GetCmdResp6(SDMMC_TypeDef *SDMMCx, uint8_t SD_CMD, uint16_t *pRCA) +uint32_t SDMMC_GetCmdResp6(SDMMC_TypeDef *SDMMCx, uint8_t SD_CMD, uint16_t *pRCA) { uint32_t response_r1; uint32_t sta_reg; /* 8 is the number of required instructions cycles for the below loop statement. The SDMMC_CMDTIMEOUT is expressed in ms */ - register uint32_t count = SDMMC_CMDTIMEOUT * (SystemCoreClock / 8U /1000U); + uint32_t count = SDMMC_CMDTIMEOUT * (SystemCoreClock / 8U / 1000U); do { @@ -1468,16 +1497,16 @@ static uint32_t SDMMC_GetCmdResp6(SDMMC_TypeDef *SDMMCx, uint8_t SD_CMD, uint16_ return SDMMC_ERROR_TIMEOUT; } sta_reg = SDMMCx->STA; - }while(((sta_reg & (SDMMC_FLAG_CCRCFAIL | SDMMC_FLAG_CMDREND | SDMMC_FLAG_CTIMEOUT)) == 0U) || - ((sta_reg & SDMMC_FLAG_CMDACT) != 0U )); + } while (((sta_reg & (SDMMC_FLAG_CCRCFAIL | SDMMC_FLAG_CMDREND | SDMMC_FLAG_CTIMEOUT)) == 0U) || + ((sta_reg & SDMMC_FLAG_CMDACT) != 0U)); - if(__SDMMC_GET_FLAG(SDMMCx, SDMMC_FLAG_CTIMEOUT)) + if (__SDMMC_GET_FLAG(SDMMCx, SDMMC_FLAG_CTIMEOUT)) { __SDMMC_CLEAR_FLAG(SDMMCx, SDMMC_FLAG_CTIMEOUT); return SDMMC_ERROR_CMD_RSP_TIMEOUT; } - else if(__SDMMC_GET_FLAG(SDMMCx, SDMMC_FLAG_CCRCFAIL)) + else if (__SDMMC_GET_FLAG(SDMMCx, SDMMC_FLAG_CCRCFAIL)) { __SDMMC_CLEAR_FLAG(SDMMCx, SDMMC_FLAG_CCRCFAIL); @@ -1489,7 +1518,7 @@ static uint32_t SDMMC_GetCmdResp6(SDMMC_TypeDef *SDMMCx, uint8_t SD_CMD, uint16_ } /* Check response received is of desired command */ - if(SDMMC_GetCommandResponse(SDMMCx) != SD_CMD) + if (SDMMC_GetCommandResponse(SDMMCx) != SD_CMD) { return SDMMC_ERROR_CMD_CRC_FAIL; } @@ -1500,17 +1529,18 @@ static uint32_t SDMMC_GetCmdResp6(SDMMC_TypeDef *SDMMCx, uint8_t SD_CMD, uint16_ /* We have received response, retrieve it. */ response_r1 = SDMMC_GetResponse(SDMMCx, SDMMC_RESP1); - if((response_r1 & (SDMMC_R6_GENERAL_UNKNOWN_ERROR | SDMMC_R6_ILLEGAL_CMD | SDMMC_R6_COM_CRC_FAILED)) == SDMMC_ALLZERO) + if ((response_r1 & (SDMMC_R6_GENERAL_UNKNOWN_ERROR | SDMMC_R6_ILLEGAL_CMD | + SDMMC_R6_COM_CRC_FAILED)) == SDMMC_ALLZERO) { - *pRCA = (uint16_t) (response_r1 >> 16); + *pRCA = (uint16_t)(response_r1 >> 16); return SDMMC_ERROR_NONE; } - else if((response_r1 & SDMMC_R6_ILLEGAL_CMD) == SDMMC_R6_ILLEGAL_CMD) + else if ((response_r1 & SDMMC_R6_ILLEGAL_CMD) == SDMMC_R6_ILLEGAL_CMD) { return SDMMC_ERROR_ILLEGAL_CMD; } - else if((response_r1 & SDMMC_R6_COM_CRC_FAILED) == SDMMC_R6_COM_CRC_FAILED) + else if ((response_r1 & SDMMC_R6_COM_CRC_FAILED) == SDMMC_R6_COM_CRC_FAILED) { return SDMMC_ERROR_COM_CRC_FAILED; } @@ -1525,12 +1555,12 @@ static uint32_t SDMMC_GetCmdResp6(SDMMC_TypeDef *SDMMCx, uint8_t SD_CMD, uint16_ * @param hsd: SD handle * @retval SD Card error state */ -static uint32_t SDMMC_GetCmdResp7(SDMMC_TypeDef *SDMMCx) +uint32_t SDMMC_GetCmdResp7(SDMMC_TypeDef *SDMMCx) { uint32_t sta_reg; /* 8 is the number of required instructions cycles for the below loop statement. The SDMMC_CMDTIMEOUT is expressed in ms */ - register uint32_t count = SDMMC_CMDTIMEOUT * (SystemCoreClock / 8U /1000U); + uint32_t count = SDMMC_CMDTIMEOUT * (SystemCoreClock / 8U / 1000U); do { @@ -1539,20 +1569,20 @@ static uint32_t SDMMC_GetCmdResp7(SDMMC_TypeDef *SDMMCx) return SDMMC_ERROR_TIMEOUT; } sta_reg = SDMMCx->STA; - }while(((sta_reg & (SDMMC_FLAG_CCRCFAIL | SDMMC_FLAG_CMDREND | SDMMC_FLAG_CTIMEOUT)) == 0U) || - ((sta_reg & SDMMC_FLAG_CMDACT) != 0U )); + } while (((sta_reg & (SDMMC_FLAG_CCRCFAIL | SDMMC_FLAG_CMDREND | SDMMC_FLAG_CTIMEOUT)) == 0U) || + ((sta_reg & SDMMC_FLAG_CMDACT) != 0U)); - if(__SDMMC_GET_FLAG(SDMMCx, SDMMC_FLAG_CTIMEOUT)) + if (__SDMMC_GET_FLAG(SDMMCx, SDMMC_FLAG_CTIMEOUT)) { - /* Card is SD V2.0 compliant */ + /* Card is not SD V2.0 compliant */ __SDMMC_CLEAR_FLAG(SDMMCx, SDMMC_FLAG_CTIMEOUT); return SDMMC_ERROR_CMD_RSP_TIMEOUT; } - else if(__SDMMC_GET_FLAG(SDMMCx, SDMMC_FLAG_CCRCFAIL)) + else if (__SDMMC_GET_FLAG(SDMMCx, SDMMC_FLAG_CCRCFAIL)) { - /* Card is SD V2.0 compliant */ + /* Card is not SD V2.0 compliant */ __SDMMC_CLEAR_FLAG(SDMMCx, SDMMC_FLAG_CCRCFAIL); return SDMMC_ERROR_CMD_CRC_FAIL; @@ -1562,7 +1592,7 @@ static uint32_t SDMMC_GetCmdResp7(SDMMC_TypeDef *SDMMCx) /* Nothing to do */ } - if(__SDMMC_GET_FLAG(SDMMCx, SDMMC_FLAG_CMDREND)) + if (__SDMMC_GET_FLAG(SDMMCx, SDMMC_FLAG_CMDREND)) { /* Card is SD V2.0 compliant */ __SDMMC_CLEAR_FLAG(SDMMCx, SDMMC_FLAG_CMDREND); @@ -1576,13 +1606,46 @@ static uint32_t SDMMC_GetCmdResp7(SDMMC_TypeDef *SDMMCx) * @} */ -#endif /* HAL_SD_MODULE_ENABLED || HAL_MMC_MODULE_ENABLED */ +/* Private function ----------------------------------------------------------*/ +/** @addtogroup SD_Private_Functions + * @{ + */ + +/** + * @brief Checks for error conditions for CMD0. + * @param hsd: SD handle + * @retval SD Card error state + */ +static uint32_t SDMMC_GetCmdError(SDMMC_TypeDef *SDMMCx) +{ + /* 8 is the number of required instructions cycles for the below loop statement. + The SDMMC_CMDTIMEOUT is expressed in ms */ + uint32_t count = SDMMC_CMDTIMEOUT * (SystemCoreClock / 8U / 1000U); + + do + { + if (count-- == 0U) + { + return SDMMC_ERROR_TIMEOUT; + } + + } while (!__SDMMC_GET_FLAG(SDMMCx, SDMMC_FLAG_CMDSENT)); + + /* Clear all the static flags */ + __SDMMC_CLEAR_FLAG(SDMMCx, SDMMC_STATIC_CMD_FLAGS); + + return SDMMC_ERROR_NONE; +} + /** * @} */ +#endif /* HAL_SD_MODULE_ENABLED || HAL_MMC_MODULE_ENABLED */ /** * @} */ -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ +/** + * @} + */ |