/** ****************************************************************************** * @file stm32l1xx_sdio.h * @author MCD Application Team * @version V1.2.0 * @date 22-February-2013 * @brief This file contains all the functions prototypes for the SDIO firmware * library. ****************************************************************************** * @attention * *

© COPYRIGHT 2013 STMicroelectronics

* * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); * You may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.st.com/software_license_agreement_liberty_v2 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * ****************************************************************************** */ /* Define to prevent recursive inclusion -------------------------------------*/ #ifndef __STM32L1xx_SDIO_H #define __STM32L1xx_SDIO_H #ifdef __cplusplus extern "C" { #endif /* Includes ------------------------------------------------------------------*/ #include "stm32l1xx.h" /** @addtogroup STM32L1xx_StdPeriph_Driver * @{ */ /** @addtogroup SDIO * @{ */ /* Exported types ------------------------------------------------------------*/ typedef struct { uint32_t SDIO_ClockEdge; /*!< Specifies the clock transition on which the bit capture is made. This parameter can be a value of @ref SDIO_Clock_Edge */ uint32_t SDIO_ClockBypass; /*!< Specifies whether the SDIO Clock divider bypass is enabled or disabled. This parameter can be a value of @ref SDIO_Clock_Bypass */ uint32_t SDIO_ClockPowerSave; /*!< Specifies whether SDIO Clock output is enabled or disabled when the bus is idle. This parameter can be a value of @ref SDIO_Clock_Power_Save */ uint32_t SDIO_BusWide; /*!< Specifies the SDIO bus width. This parameter can be a value of @ref SDIO_Bus_Wide */ uint32_t SDIO_HardwareFlowControl; /*!< Specifies whether the SDIO hardware flow control is enabled or disabled. This parameter can be a value of @ref SDIO_Hardware_Flow_Control */ uint8_t SDIO_ClockDiv; /*!< Specifies the clock frequency of the SDIO controller. This parameter can be a value between 0x00 and 0xFF. */ } SDIO_InitTypeDef; typedef struct { uint32_t SDIO_Argument; /*!< Specifies the SDIO command argument which is sent to a card as part of a command message. If a command contains an argument, it must be loaded into this register before writing the command to the command register */ uint32_t SDIO_CmdIndex; /*!< Specifies the SDIO command index. It must be lower than 0x40. */ uint32_t SDIO_Response; /*!< Specifies the SDIO response type. This parameter can be a value of @ref SDIO_Response_Type */ uint32_t SDIO_Wait; /*!< Specifies whether SDIO wait-for-interrupt request is enabled or disabled. This parameter can be a value of @ref SDIO_Wait_Interrupt_State */ uint32_t SDIO_CPSM; /*!< Specifies whether SDIO Command path state machine (CPSM) is enabled or disabled. This parameter can be a value of @ref SDIO_CPSM_State */ } SDIO_CmdInitTypeDef; typedef struct { uint32_t SDIO_DataTimeOut; /*!< Specifies the data timeout period in card bus clock periods. */ uint32_t SDIO_DataLength; /*!< Specifies the number of data bytes to be transferred. */ uint32_t SDIO_DataBlockSize; /*!< Specifies the data block size for block transfer. This parameter can be a value of @ref SDIO_Data_Block_Size */ uint32_t SDIO_TransferDir; /*!< Specifies the data transfer direction, whether the transfer is a read or write. This parameter can be a value of @ref SDIO_Transfer_Direction */ uint32_t SDIO_TransferMode; /*!< Specifies whether data transfer is in stream or block mode. This parameter can be a value of @ref SDIO_Transfer_Type */ uint32_t SDIO_DPSM; /*!< Specifies whether SDIO Data path state machine (DPSM) is enabled or disabled. This parameter can be a value of @ref SDIO_DPSM_State */ } SDIO_DataInitTypeDef; /* Exported constants --------------------------------------------------------*/ /** @defgroup SDIO_Exported_Constants * @{ */ /** @defgroup SDIO_Clock_Edge * @{ */ #define SDIO_ClockEdge_Rising ((uint32_t)0x00000000) #define SDIO_ClockEdge_Falling ((uint32_t)0x00002000) #define IS_SDIO_CLOCK_EDGE(EDGE) (((EDGE) == SDIO_ClockEdge_Rising) || \ ((EDGE) == SDIO_ClockEdge_Falling)) /** * @} */ /** @defgroup SDIO_Clock_Bypass * @{ */ #define SDIO_ClockBypass_Disable ((uint32_t)0x00000000) #define SDIO_ClockBypass_Enable ((uint32_t)0x00000400) #define IS_SDIO_CLOCK_BYPASS(BYPASS) (((BYPASS) == SDIO_ClockBypass_Disable) || \ ((BYPASS) == SDIO_ClockBypass_Enable)) /** * @} */ /** @defgroup SDIO_Clock_Power_Save * @{ */ #define SDIO_ClockPowerSave_Disable ((uint32_t)0x00000000) #define SDIO_ClockPowerSave_Enable ((uint32_t)0x00000200) #define IS_SDIO_CLOCK_POWER_SAVE(SAVE) (((SAVE) == SDIO_ClockPowerSave_Disable) || \ ((SAVE) == SDIO_ClockPowerSave_Enable)) /** * @} */ /** @defgroup SDIO_Bus_Wide * @{ */ #define SDIO_BusWide_1b ((uint32_t)0x00000000) #define SDIO_BusWide_4b ((uint32_t)0x00000800) #define SDIO_BusWide_8b ((uint32_t)0x00001000) #define IS_SDIO_BUS_WIDE(WIDE) (((WIDE) == SDIO_BusWide_1b) || ((WIDE) == SDIO_BusWide_4b) || \ ((WIDE) == SDIO_BusWide_8b)) /** * @} */ /** @defgroup SDIO_Hardware_Flow_Control * @{ */ #define SDIO_HardwareFlowControl_Disable ((uint32_t)0x00000000) #define SDIO_HardwareFlowControl_Enable ((uint32_t)0x00004000) #define IS_SDIO_HARDWARE_FLOW_CONTROL(CONTROL) (((CONTROL) == SDIO_HardwareFlowControl_Disable) || \ ((CONTROL) == SDIO_HardwareFlowControl_Enable)) /** * @} */ /** @defgroup SDIO_Power_State * @{ */ #define SDIO_PowerState_OFF ((uint32_t)0x00000000) #define SDIO_PowerState_ON ((uint32_t)0x00000003) #define IS_SDIO_POWER_STATE(STATE) (((STATE) == SDIO_PowerState_OFF) || ((STATE) == SDIO_PowerState_ON)) /** * @} */ /** @defgroup SDIO_Interrupt_soucres * @{ */ #define SDIO_IT_CCRCFAIL ((uint32_t)0x00000001) #define SDIO_IT_DCRCFAIL ((uint32_t)0x00000002) #define SDIO_IT_CTIMEOUT ((uint32_t)0x00000004) #define SDIO_IT_DTIMEOUT ((uint32_t)0x00000008) #define SDIO_IT_TXUNDERR ((uint32_t)0x00000010) #define SDIO_IT_RXOVERR ((uint32_t)0x00000020) #define SDIO_IT_CMDREND ((uint32_t)0x00000040) #define SDIO_IT_CMDSENT ((uint32_t)0x00000080) #define SDIO_IT_DATAEND ((uint32_t)0x00000100) #define SDIO_IT_STBITERR ((uint32_t)0x00000200) #define SDIO_IT_DBCKEND ((uint32_t)0x00000400) #define SDIO_IT_CMDACT ((uint32_t)0x00000800) #define SDIO_IT_TXACT ((uint32_t)0x00001000) #define SDIO_IT_RXACT ((uint32_t)0x00002000) #define SDIO_IT_TXFIFOHE ((uint32_t)0x00004000) #define SDIO_IT_RXFIFOHF ((uint32_t)0x00008000) #define SDIO_IT_TXFIFOF ((uint32_t)0x00010000) #define SDIO_IT_RXFIFOF ((uint32_t)0x00020000) #define SDIO_IT_TXFIFOE ((uint32_t)0x00040000) #define SDIO_IT_RXFIFOE ((uint32_t)0x00080000) #define SDIO_IT_TXDAVL ((uint32_t)0x00100000) #define SDIO_IT_RXDAVL ((uint32_t)0x00200000) #define SDIO_IT_SDIOIT ((uint32_t)0x00400000) #define SDIO_IT_CEATAEND ((uint32_t)0x00800000) #define IS_SDIO_IT(IT) ((((IT) & (uint32_t)0xFF000000) == 0x00) && ((IT) != (uint32_t)0x00)) /** * @} */ /** @defgroup SDIO_Command_Index * @{ */ #define IS_SDIO_CMD_INDEX(INDEX) ((INDEX) < 0x40) /** * @} */ /** @defgroup SDIO_Response_Type * @{ */ #define SDIO_Response_No ((uint32_t)0x00000000) #define SDIO_Response_Short ((uint32_t)0x00000040) #define SDIO_Response_Long ((uint32_t)0x000000C0) #define IS_SDIO_RESPONSE(RESPONSE) (((RESPONSE) == SDIO_Response_No) || \ ((RESPONSE) == SDIO_Response_Short) || \ ((RESPONSE) == SDIO_Response_Long)) /** * @} */ /** @defgroup SDIO_Wait_Interrupt_State * @{ */ #define SDIO_Wait_No ((uint32_t)0x00000000) /*!< SDIO No Wait, TimeOut is enabled */ #define SDIO_Wait_IT ((uint32_t)0x00000100) /*!< SDIO Wait Interrupt Request */ #define SDIO_Wait_Pend ((uint32_t)0x00000200) /*!< SDIO Wait End of transfer */ #define IS_SDIO_WAIT(WAIT) (((WAIT) == SDIO_Wait_No) || ((WAIT) == SDIO_Wait_IT) || \ ((WAIT) == SDIO_Wait_Pend)) /** * @} */ /** @defgroup SDIO_CPSM_State * @{ */ #define SDIO_CPSM_Disable ((uint32_t)0x00000000) #define SDIO_CPSM_Enable ((uint32_t)0x00000400) #define IS_SDIO_CPSM(CPSM) (((CPSM) == SDIO_CPSM_Enable) || ((CPSM) == SDIO_CPSM_Disable)) /** * @} */ /** @defgroup SDIO_Response_Registers * @{ */ #define SDIO_RESP1 ((uint32_t)0x00000000) #define SDIO_RESP2 ((uint32_t)0x00000004) #define SDIO_RESP3 ((uint32_t)0x00000008) #define SDIO_RESP4 ((uint32_t)0x0000000C) #define IS_SDIO_RESP(RESP) (((RESP) == SDIO_RESP1) || ((RESP) == SDIO_RESP2) || \ ((RESP) == SDIO_RESP3) || ((RESP) == SDIO_RESP4)) /** * @} */ /** @defgroup SDIO_Data_Length * @{ */ #define IS_SDIO_DATA_LENGTH(LENGTH) ((LENGTH) <= 0x01FFFFFF) /** * @} */ /** @defgroup SDIO_Data_Block_Size * @{ */ #define SDIO_DataBlockSize_1b ((uint32_t)0x00000000) #define SDIO_DataBlockSize_2b ((uint32_t)0x00000010) #define SDIO_DataBlockSize_4b ((uint32_t)0x00000020) #define SDIO_DataBlockSize_8b ((uint32_t)0x00000030) #define SDIO_DataBlockSize_16b ((uint32_t)0x00000040) #define SDIO_DataBlockSize_32b ((uint32_t)0x00000050) #define SDIO_DataBlockSize_64b ((uint32_t)0x00000060) #define SDIO_DataBlockSize_128b ((uint32_t)0x00000070) #define SDIO_DataBlockSize_256b ((uint32_t)0x00000080) #define SDIO_DataBlockSize_512b ((uint32_t)0x00000090) #define SDIO_DataBlockSize_1024b ((uint32_t)0x000000A0) #define SDIO_DataBlockSize_2048b ((uint32_t)0x000000B0) #define SDIO_DataBlockSize_4096b ((uint32_t)0x000000C0) #define SDIO_DataBlockSize_8192b ((uint32_t)0x000000D0) #define SDIO_DataBlockSize_16384b ((uint32_t)0x000000E0) #define IS_SDIO_BLOCK_SIZE(SIZE) (((SIZE) == SDIO_DataBlockSize_1b) || \ ((SIZE) == SDIO_DataBlockSize_2b) || \ ((SIZE) == SDIO_DataBlockSize_4b) || \ ((SIZE) == SDIO_DataBlockSize_8b) || \ ((SIZE) == SDIO_DataBlockSize_16b) || \ ((SIZE) == SDIO_DataBlockSize_32b) || \ ((SIZE) == SDIO_DataBlockSize_64b) || \ ((SIZE) == SDIO_DataBlockSize_128b) || \ ((SIZE) == SDIO_DataBlockSize_256b) || \ ((SIZE) == SDIO_DataBlockSize_512b) || \ ((SIZE) == SDIO_DataBlockSize_1024b) || \ ((SIZE) == SDIO_DataBlockSize_2048b) || \ ((SIZE) == SDIO_DataBlockSize_4096b) || \ ((SIZE) == SDIO_DataBlockSize_8192b) || \ ((SIZE) == SDIO_DataBlockSize_16384b)) /** * @} */ /** @defgroup SDIO_Transfer_Direction * @{ */ #define SDIO_TransferDir_ToCard ((uint32_t)0x00000000) #define SDIO_TransferDir_ToSDIO ((uint32_t)0x00000002) #define IS_SDIO_TRANSFER_DIR(DIR) (((DIR) == SDIO_TransferDir_ToCard) || \ ((DIR) == SDIO_TransferDir_ToSDIO)) /** * @} */ /** @defgroup SDIO_Transfer_Type * @{ */ #define SDIO_TransferMode_Block ((uint32_t)0x00000000) #define SDIO_TransferMode_Stream ((uint32_t)0x00000004) #define IS_SDIO_TRANSFER_MODE(MODE) (((MODE) == SDIO_TransferMode_Stream) || \ ((MODE) == SDIO_TransferMode_Block)) /** * @} */ /** @defgroup SDIO_DPSM_State * @{ */ #define SDIO_DPSM_Disable ((uint32_t)0x00000000) #define SDIO_DPSM_Enable ((uint32_t)0x00000001) #define IS_SDIO_DPSM(DPSM) (((DPSM) == SDIO_DPSM_Enable) || ((DPSM) == SDIO_DPSM_Disable)) /** * @} */ /** @defgroup SDIO_Flags * @{ */ #define SDIO_FLAG_CCRCFAIL ((uint32_t)0x00000001) #define SDIO_FLAG_DCRCFAIL ((uint32_t)0x00000002) #define SDIO_FLAG_CTIMEOUT ((uint32_t)0x00000004) #define SDIO_FLAG_DTIMEOUT ((uint32_t)0x00000008) #define SDIO_FLAG_TXUNDERR ((uint32_t)0x00000010) #define SDIO_FLAG_RXOVERR ((uint32_t)0x00000020) #define SDIO_FLAG_CMDREND ((uint32_t)0x00000040) #define SDIO_FLAG_CMDSENT ((uint32_t)0x00000080) #define SDIO_FLAG_DATAEND ((uint32_t)0x00000100) #define SDIO_FLAG_STBITERR ((uint32_t)0x00000200) #define SDIO_FLAG_DBCKEND ((uint32_t)0x00000400) #define SDIO_FLAG_CMDACT ((uint32_t)0x00000800) #define SDIO_FLAG_TXACT ((uint32_t)0x00001000) #define SDIO_FLAG_RXACT ((uint32_t)0x00002000) #define SDIO_FLAG_TXFIFOHE ((uint32_t)0x00004000) #define SDIO_FLAG_RXFIFOHF ((uint32_t)0x00008000) #define SDIO_FLAG_TXFIFOF ((uint32_t)0x00010000) #define SDIO_FLAG_RXFIFOF ((uint32_t)0x00020000) #define SDIO_FLAG_TXFIFOE ((uint32_t)0x00040000) #define SDIO_FLAG_RXFIFOE ((uint32_t)0x00080000) #define SDIO_FLAG_TXDAVL ((uint32_t)0x00100000) #define SDIO_FLAG_RXDAVL ((uint32_t)0x00200000) #define SDIO_FLAG_SDIOIT ((uint32_t)0x00400000) #define SDIO_FLAG_CEATAEND ((uint32_t)0x00800000) #define IS_SDIO_FLAG(FLAG) (((FLAG) == SDIO_FLAG_CCRCFAIL) || \ ((FLAG) == SDIO_FLAG_DCRCFAIL) || \ ((FLAG) == SDIO_FLAG_CTIMEOUT) || \ ((FLAG) == SDIO_FLAG_DTIMEOUT) || \ ((FLAG) == SDIO_FLAG_TXUNDERR) || \ ((FLAG) == SDIO_FLAG_RXOVERR) || \ ((FLAG) == SDIO_FLAG_CMDREND) || \ ((FLAG) == SDIO_FLAG_CMDSENT) || \ ((FLAG) == SDIO_FLAG_DATAEND) || \ ((FLAG) == SDIO_FLAG_STBITERR) || \ ((FLAG) == SDIO_FLAG_DBCKEND) || \ ((FLAG) == SDIO_FLAG_CMDACT) || \ ((FLAG) == SDIO_FLAG_TXACT) || \ ((FLAG) == SDIO_FLAG_RXACT) || \ ((FLAG) == SDIO_FLAG_TXFIFOHE) || \ ((FLAG) == SDIO_FLAG_RXFIFOHF) || \ ((FLAG) == SDIO_FLAG_TXFIFOF) || \ ((FLAG) == SDIO_FLAG_RXFIFOF) || \ ((FLAG) == SDIO_FLAG_TXFIFOE) || \ ((FLAG) == SDIO_FLAG_RXFIFOE) || \ ((FLAG) == SDIO_FLAG_TXDAVL) || \ ((FLAG) == SDIO_FLAG_RXDAVL) || \ ((FLAG) == SDIO_FLAG_SDIOIT) || \ ((FLAG) == SDIO_FLAG_CEATAEND)) #define IS_SDIO_CLEAR_FLAG(FLAG) ((((FLAG) & (uint32_t)0xFF3FF800) == 0x00) && ((FLAG) != (uint32_t)0x00)) #define IS_SDIO_GET_IT(IT) (((IT) == SDIO_IT_CCRCFAIL) || \ ((IT) == SDIO_IT_DCRCFAIL) || \ ((IT) == SDIO_IT_CTIMEOUT) || \ ((IT) == SDIO_IT_DTIMEOUT) || \ ((IT) == SDIO_IT_TXUNDERR) || \ ((IT) == SDIO_IT_RXOVERR) || \ ((IT) == SDIO_IT_CMDREND) || \ ((IT) == SDIO_IT_CMDSENT) || \ ((IT) == SDIO_IT_DATAEND) || \ ((IT) == SDIO_IT_STBITERR) || \ ((IT) == SDIO_IT_DBCKEND) || \ ((IT) == SDIO_IT_CMDACT) || \ ((IT) == SDIO_IT_TXACT) || \ ((IT) == SDIO_IT_RXACT) || \ ((IT) == SDIO_IT_TXFIFOHE) || \ ((IT) == SDIO_IT_RXFIFOHF) || \ ((IT) == SDIO_IT_TXFIFOF) || \ ((IT) == SDIO_IT_RXFIFOF) || \ ((IT) == SDIO_IT_TXFIFOE) || \ ((IT) == SDIO_IT_RXFIFOE) || \ ((IT) == SDIO_IT_TXDAVL) || \ ((IT) == SDIO_IT_RXDAVL) || \ ((IT) == SDIO_IT_SDIOIT) || \ ((IT) == SDIO_IT_CEATAEND)) #define IS_SDIO_CLEAR_IT(IT) ((((IT) & (uint32_t)0xFF3FF800) == 0x00) && ((IT) != (uint32_t)0x00)) /** * @} */ /** @defgroup SDIO_Read_Wait_Mode * @{ */ #define SDIO_ReadWaitMode_CLK ((uint32_t)0x00000001) #define SDIO_ReadWaitMode_DATA2 ((uint32_t)0x00000000) #define IS_SDIO_READWAIT_MODE(MODE) (((MODE) == SDIO_ReadWaitMode_CLK) || \ ((MODE) == SDIO_ReadWaitMode_DATA2)) /** * @} */ /** * @} */ /* Exported macro ------------------------------------------------------------*/ /* Exported functions ------------------------------------------------------- */ /* Function used to set the SDIO configuration to the default reset state ****/ void SDIO_DeInit(void); /* Initialization and Configuration functions *********************************/ void SDIO_Init(SDIO_InitTypeDef* SDIO_InitStruct); void SDIO_StructInit(SDIO_InitTypeDef* SDIO_InitStruct); void SDIO_ClockCmd(FunctionalState NewState); void SDIO_SetPowerState(uint32_t SDIO_PowerState); uint32_t SDIO_GetPowerState(void); /* DMA transfers management functions *****************************************/ void SDIO_DMACmd(FunctionalState NewState); /* Command path state machine (CPSM) management functions *********************/ void SDIO_SendCommand(SDIO_CmdInitTypeDef *SDIO_CmdInitStruct); void SDIO_CmdStructInit(SDIO_CmdInitTypeDef* SDIO_CmdInitStruct); uint8_t SDIO_GetCommandResponse(void); uint32_t SDIO_GetResponse(uint32_t SDIO_RESP); /* Data path state machine (DPSM) management functions ************************/ void SDIO_DataConfig(SDIO_DataInitTypeDef* SDIO_DataInitStruct); void SDIO_DataStructInit(SDIO_DataInitTypeDef* SDIO_DataInitStruct); uint32_t SDIO_GetDataCounter(void); uint32_t SDIO_ReadData(void); void SDIO_WriteData(uint32_t Data); uint32_t SDIO_GetFIFOCount(void); /* SDIO IO Cards mode management functions ************************************/ void SDIO_StartSDIOReadWait(FunctionalState NewState); void SDIO_StopSDIOReadWait(FunctionalState NewState); void SDIO_SetSDIOReadWaitMode(uint32_t SDIO_ReadWaitMode); void SDIO_SetSDIOOperation(FunctionalState NewState); void SDIO_SendSDIOSuspendCmd(FunctionalState NewState); /* CE-ATA mode management functions *******************************************/ void SDIO_CommandCompletionCmd(FunctionalState NewState); void SDIO_CEATAITCmd(FunctionalState NewState); void SDIO_SendCEATACmd(FunctionalState NewState); /* Interrupts and flags management functions **********************************/ void SDIO_ITConfig(uint32_t SDIO_IT, FunctionalState NewState); FlagStatus SDIO_GetFlagStatus(uint32_t SDIO_FLAG); void SDIO_ClearFlag(uint32_t SDIO_FLAG); ITStatus SDIO_GetITStatus(uint32_t SDIO_IT); void SDIO_ClearITPendingBit(uint32_t SDIO_IT); #ifdef __cplusplus } #endif #endif /* __STM32L1xx_SDIO_H */ /** * @} */ /** * @} */ /************************ (C) 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