stm32f10x_sdio.c
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- /******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
- * File Name : stm32f10x_sdio.c
- * Author : MCD Application Team
- * Version : V2.0.2
- * Date : 07/11/2008
- * Description : This file provides all the SDIO firmware functions.
- ********************************************************************************
- * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
- * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
- * AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
- * INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
- * CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
- * INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
- *******************************************************************************/
- /* Includes ------------------------------------------------------------------*/
- #include "stm32f10x_sdio.h"
- #include "stm32f10x_rcc.h"
- /* Private typedef -----------------------------------------------------------*/
- /* ------------ SDIO registers bit address in the alias region ----------- */
- #define SDIO_OFFSET (SDIO_BASE - PERIPH_BASE)
- /* --- CLKCR Register ---*/
- /* Alias word address of CLKEN bit */
- #define CLKCR_OFFSET (SDIO_OFFSET + 0x04)
- #define CLKEN_BitNumber 0x08
- #define CLKCR_CLKEN_BB (PERIPH_BB_BASE + (CLKCR_OFFSET * 32) + (CLKEN_BitNumber * 4))
- /* --- CMD Register ---*/
- /* Alias word address of SDIOSUSPEND bit */
- #define CMD_OFFSET (SDIO_OFFSET + 0x0C)
- #define SDIOSUSPEND_BitNumber 0x0B
- #define CMD_SDIOSUSPEND_BB (PERIPH_BB_BASE + (CMD_OFFSET * 32) + (SDIOSUSPEND_BitNumber * 4))
- /* Alias word address of ENCMDCOMPL bit */
- #define ENCMDCOMPL_BitNumber 0x0C
- #define CMD_ENCMDCOMPL_BB (PERIPH_BB_BASE + (CMD_OFFSET * 32) + (ENCMDCOMPL_BitNumber * 4))
- /* Alias word address of NIEN bit */
- #define NIEN_BitNumber 0x0D
- #define CMD_NIEN_BB (PERIPH_BB_BASE + (CMD_OFFSET * 32) + (NIEN_BitNumber * 4))
- /* Alias word address of ATACMD bit */
- #define ATACMD_BitNumber 0x0E
- #define CMD_ATACMD_BB (PERIPH_BB_BASE + (CMD_OFFSET * 32) + (ATACMD_BitNumber * 4))
- /* --- DCTRL Register ---*/
- /* Alias word address of DMAEN bit */
- #define DCTRL_OFFSET (SDIO_OFFSET + 0x2C)
- #define DMAEN_BitNumber 0x03
- #define DCTRL_DMAEN_BB (PERIPH_BB_BASE + (DCTRL_OFFSET * 32) + (DMAEN_BitNumber * 4))
- /* Alias word address of RWSTART bit */
- #define RWSTART_BitNumber 0x08
- #define DCTRL_RWSTART_BB (PERIPH_BB_BASE + (DCTRL_OFFSET * 32) + (RWSTART_BitNumber * 4))
- /* Alias word address of RWSTOP bit */
- #define RWSTOP_BitNumber 0x09
- #define DCTRL_RWSTOP_BB (PERIPH_BB_BASE + (DCTRL_OFFSET * 32) + (RWSTOP_BitNumber * 4))
- /* Alias word address of RWMOD bit */
- #define RWMOD_BitNumber 0x0A
- #define DCTRL_RWMOD_BB (PERIPH_BB_BASE + (DCTRL_OFFSET * 32) + (RWMOD_BitNumber * 4))
- /* Alias word address of SDIOEN bit */
- #define SDIOEN_BitNumber 0x0B
- #define DCTRL_SDIOEN_BB (PERIPH_BB_BASE + (DCTRL_OFFSET * 32) + (SDIOEN_BitNumber * 4))
- /* ---------------------- SDIO registers bit mask ------------------------ */
- /* --- CLKCR Register ---*/
- /* CLKCR register clear mask */
- #define CLKCR_CLEAR_MASK ((u32)0xFFFF8100)
- /* --- PWRCTRL Register ---*/
- /* SDIO PWRCTRL Mask */
- #define PWR_PWRCTRL_MASK ((u32)0xFFFFFFFC)
- /* --- DCTRL Register ---*/
- /* SDIO DCTRL Clear Mask */
- #define DCTRL_CLEAR_MASK ((u32)0xFFFFFF08)
- /* --- CMD Register ---*/
- /* CMD Register clear mask */
- #define CMD_CLEAR_MASK ((u32)0xFFFFF800)
- /* SDIO RESP Registers Address */
- #define SDIO_RESP_ADDR ((u32)(SDIO_BASE + 0x14))
- /* Private define ------------------------------------------------------------*/
- /* Private macro -------------------------------------------------------------*/
- /* Private variables ---------------------------------------------------------*/
- /* Private function prototypes -----------------------------------------------*/
- /* Private functions ---------------------------------------------------------*/
- /*******************************************************************************
- * Function Name : SDIO_DeInit
- * Description : Deinitializes the SDIO peripheral registers to their default
- * reset values.
- * Input : None
- * Output : None
- * Return : None
- *******************************************************************************/
- void SDIO_DeInit(void)
- {
- SDIO->POWER = 0x00000000;
- SDIO->CLKCR = 0x00000000;
- SDIO->ARG = 0x00000000;
- SDIO->CMD = 0x00000000;
- SDIO->DTIMER = 0x00000000;
- SDIO->DLEN = 0x00000000;
- SDIO->DCTRL = 0x00000000;
- SDIO->ICR = 0x00C007FF;
- SDIO->MASK = 0x00000000;
- }
- /*******************************************************************************
- * Function Name : SDIO_Init
- * Description : Initializes the SDIO peripheral according to the specified
- * parameters in the SDIO_InitStruct.
- * Input : SDIO_InitStruct : pointer to a SDIO_InitTypeDef structure
- * that contains the configuration information for the SDIO
- * peripheral.
- * Output : None
- * Return : None
- *******************************************************************************/
- void SDIO_Init(SDIO_InitTypeDef* SDIO_InitStruct)
- {
- u32 tmpreg = 0;
-
- /* Check the parameters */
- assert_param(IS_SDIO_CLOCK_EDGE(SDIO_InitStruct->SDIO_ClockEdge));
- assert_param(IS_SDIO_CLOCK_BYPASS(SDIO_InitStruct->SDIO_ClockBypass));
- assert_param(IS_SDIO_CLOCK_POWER_SAVE(SDIO_InitStruct->SDIO_ClockPowerSave));
- assert_param(IS_SDIO_BUS_WIDE(SDIO_InitStruct->SDIO_BusWide));
- assert_param(IS_SDIO_HARDWARE_FLOW_CONTROL(SDIO_InitStruct->SDIO_HardwareFlowControl));
-
- /*---------------------------- SDIO CLKCR Configuration ------------------------*/
- /* Get the SDIO CLKCR value */
- tmpreg = SDIO->CLKCR;
-
- /* Clear CLKDIV, PWRSAV, BYPASS, WIDBUS, NEGEDGE, HWFC_EN bits */
- tmpreg &= CLKCR_CLEAR_MASK;
-
- /* Set CLKDIV bits according to SDIO_ClockDiv value */
- /* Set PWRSAV bit according to SDIO_ClockPowerSave value */
- /* Set BYPASS bit according to SDIO_ClockBypass value */
- /* Set WIDBUS bits according to SDIO_BusWide value */
- /* Set NEGEDGE bits according to SDIO_ClockEdge value */
- /* Set HWFC_EN bits according to SDIO_HardwareFlowControl value */
- tmpreg |= (SDIO_InitStruct->SDIO_ClockDiv | SDIO_InitStruct->SDIO_ClockPowerSave |
- SDIO_InitStruct->SDIO_ClockBypass | SDIO_InitStruct->SDIO_BusWide |
- SDIO_InitStruct->SDIO_ClockEdge | SDIO_InitStruct->SDIO_HardwareFlowControl);
-
- /* Write to SDIO CLKCR */
- SDIO->CLKCR = tmpreg;
- }
- /*******************************************************************************
- * Function Name : SDIO_StructInit
- * Description : Fills each SDIO_InitStruct member with its default value.
- * Input : SDIO_InitStruct: pointer to an SDIO_InitTypeDef structure which
- * will be initialized.
- * Output : None
- * Return : None
- *******************************************************************************/
- void SDIO_StructInit(SDIO_InitTypeDef* SDIO_InitStruct)
- {
- /* SDIO_InitStruct members default value */
- SDIO_InitStruct->SDIO_ClockDiv = 0x00;
- SDIO_InitStruct->SDIO_ClockEdge = SDIO_ClockEdge_Rising;
- SDIO_InitStruct->SDIO_ClockBypass = SDIO_ClockBypass_Disable;
- SDIO_InitStruct->SDIO_ClockPowerSave = SDIO_ClockPowerSave_Disable;
- SDIO_InitStruct->SDIO_BusWide = SDIO_BusWide_1b;
- SDIO_InitStruct->SDIO_HardwareFlowControl = SDIO_HardwareFlowControl_Disable;
- }
- /*******************************************************************************
- * Function Name : SDIO_ClockCmd
- * Description : Enables or disables the SDIO Clock.
- * Input : NewState: new state of the SDIO Clock.
- * This parameter can be: ENABLE or DISABLE.
- * Output : None
- * Return : None
- *******************************************************************************/
- void SDIO_ClockCmd(FunctionalState NewState)
- {
- /* Check the parameters */
- assert_param(IS_FUNCTIONAL_STATE(NewState));
-
- *(vu32 *) CLKCR_CLKEN_BB = (u32)NewState;
- }
- /*******************************************************************************
- * Function Name : SDIO_SetPowerState
- * Description : Sets the power status of the controller.
- * Input : SDIO_PowerState: new state of the Power state.
- * This parameter can be one of the following values:
- * - SDIO_PowerState_OFF
- * - SDIO_PowerState_ON
- * Output : None
- * Return : None
- *******************************************************************************/
- void SDIO_SetPowerState(u32 SDIO_PowerState)
- {
- /* Check the parameters */
- assert_param(IS_SDIO_POWER_STATE(SDIO_PowerState));
-
- SDIO->POWER &= PWR_PWRCTRL_MASK;
- SDIO->POWER |= SDIO_PowerState;
- }
- /*******************************************************************************
- * Function Name : SDIO_GetPowerState
- * Description : Gets the power status of the controller.
- * Input : None
- * Output : None
- * Return : Power status of the controller. The returned value can
- * be one of the following:
- * - 0x00: Power OFF
- * - 0x02: Power UP
- * - 0x03: Power ON
- *******************************************************************************/
- u32 SDIO_GetPowerState(void)
- {
- return (SDIO->POWER & (~PWR_PWRCTRL_MASK));
- }
- /*******************************************************************************
- * Function Name : SDIO_ITConfig
- * Description : Enables or disables the SDIO interrupts.
- * Input : - SDIO_IT: specifies the SDIO interrupt sources to be
- * enabled or disabled.
- * This parameter can be one or a combination of the following
- * values:
- * - SDIO_IT_CCRCFAIL: Command response received (CRC check
- * failed) interrupt
- * - SDIO_IT_DCRCFAIL: Data block sent/received (CRC check
- * failed) interrupt
- * - SDIO_IT_CTIMEOUT: Command response timeout interrupt
- * - SDIO_IT_DTIMEOUT: Data timeout interrupt
- * - SDIO_IT_TXUNDERR: Transmit FIFO underrun error interrupt
- * - SDIO_IT_RXOVERR: Received FIFO overrun error interrupt
- * - SDIO_IT_CMDREND: Command response received (CRC check
- * passed) interrupt
- * - SDIO_IT_CMDSENT: Command sent (no response required)
- * interrupt
- * - SDIO_IT_DATAEND: Data end (data counter, SDIDCOUNT, is
- * zero) interrupt
- * - SDIO_IT_STBITERR: Start bit not detected on all data
- * signals in wide bus mode interrupt
- * - SDIO_IT_DBCKEND: Data block sent/received (CRC check
- * passed) interrupt
- * - SDIO_IT_CMDACT: Command transfer in progress interrupt
- * - SDIO_IT_TXACT: Data transmit in progress interrupt
- * - SDIO_IT_RXACT: Data receive in progress interrupt
- * - SDIO_IT_TXFIFOHE: Transmit FIFO Half Empty interrupt
- * - SDIO_IT_RXFIFOHF: Receive FIFO Half Full interrupt
- * - SDIO_IT_TXFIFOF: Transmit FIFO full interrupt
- * - SDIO_IT_RXFIFOF: Receive FIFO full interrupt
- * - SDIO_IT_TXFIFOE: Transmit FIFO empty interrupt
- * - SDIO_IT_RXFIFOE: Receive FIFO empty interrupt
- * - SDIO_IT_TXDAVL: Data available in transmit FIFO interrupt
- * - SDIO_IT_RXDAVL: Data available in receive FIFO interrupt
- * - SDIO_IT_SDIOIT: SD I/O interrupt received interrupt
- * - SDIO_IT_CEATAEND: CE-ATA command completion signal
- * received for CMD61 interrupt
- * - NewState: new state of the specified SDIO interrupts.
- * This parameter can be: ENABLE or DISABLE.
- * Output : None
- * Return : None
- *******************************************************************************/
- void SDIO_ITConfig(u32 SDIO_IT, FunctionalState NewState)
- {
- /* Check the parameters */
- assert_param(IS_SDIO_IT(SDIO_IT));
- assert_param(IS_FUNCTIONAL_STATE(NewState));
-
- if (NewState != DISABLE)
- {
- /* Enable the SDIO interrupts */
- SDIO->MASK |= SDIO_IT;
- }
- else
- {
- /* Disable the SDIO interrupts */
- SDIO->MASK &= ~SDIO_IT;
- }
- }
- /*******************************************************************************
- * Function Name : SDIO_DMACmd
- * Description : Enables or disables the SDIO DMA request.
- * Input : NewState: new state of the selected SDIO DMA request.
- * This parameter can be: ENABLE or DISABLE.
- * Output : None
- * Return : None
- *******************************************************************************/
- void SDIO_DMACmd(FunctionalState NewState)
- {
- /* Check the parameters */
- assert_param(IS_FUNCTIONAL_STATE(NewState));
-
- *(vu32 *) DCTRL_DMAEN_BB = (u32)NewState;
- }
- /*******************************************************************************
- * Function Name : SDIO_SendCommand
- * Description : Initializes the SDIO Command according to the specified
- * parameters in the SDIO_CmdInitStruct and send the command.
- * Input : SDIO_CmdInitStruct : pointer to a SDIO_CmdInitTypeDef
- * structure that contains the configuration information
- * for the SDIO command.
- * Output : None
- * Return : None
- *******************************************************************************/
- void SDIO_SendCommand(SDIO_CmdInitTypeDef *SDIO_CmdInitStruct)
- {
- u32 tmpreg = 0;
-
- /* Check the parameters */
- assert_param(IS_SDIO_CMD_INDEX(SDIO_CmdInitStruct->SDIO_CmdIndex));
- assert_param(IS_SDIO_RESPONSE(SDIO_CmdInitStruct->SDIO_Response));
- assert_param(IS_SDIO_WAIT(SDIO_CmdInitStruct->SDIO_Wait));
- assert_param(IS_SDIO_CPSM(SDIO_CmdInitStruct->SDIO_CPSM));
-
- /*---------------------------- SDIO ARG Configuration ------------------------*/
- /* Set the SDIO Argument value */
- SDIO->ARG = SDIO_CmdInitStruct->SDIO_Argument;
-
- /*---------------------------- SDIO CMD Configuration ------------------------*/
- /* Get the SDIO CMD value */
- tmpreg = SDIO->CMD;
- /* Clear CMDINDEX, WAITRESP, WAITINT, WAITPEND, CPSMEN bits */
- tmpreg &= CMD_CLEAR_MASK;
- /* Set CMDINDEX bits according to SDIO_CmdIndex value */
- /* Set WAITRESP bits according to SDIO_Response value */
- /* Set WAITINT and WAITPEND bits according to SDIO_Wait value */
- /* Set CPSMEN bits according to SDIO_CPSM value */
- tmpreg |= (u32)SDIO_CmdInitStruct->SDIO_CmdIndex | SDIO_CmdInitStruct->SDIO_Response
- | SDIO_CmdInitStruct->SDIO_Wait | SDIO_CmdInitStruct->SDIO_CPSM;
-
- /* Write to SDIO CMD */
- SDIO->CMD = tmpreg;
- }
- /*******************************************************************************
- * Function Name : SDIO_CmdStructInit
- * Description : Fills each SDIO_CmdInitStruct member with its default value.
- * Input : SDIO_CmdInitStruct: pointer to an SDIO_CmdInitTypeDef
- * structure which will be initialized.
- * Output : None
- * Return : None
- *******************************************************************************/
- void SDIO_CmdStructInit(SDIO_CmdInitTypeDef* SDIO_CmdInitStruct)
- {
- /* SDIO_CmdInitStruct members default value */
- SDIO_CmdInitStruct->SDIO_Argument = 0x00;
- SDIO_CmdInitStruct->SDIO_CmdIndex = 0x00;
- SDIO_CmdInitStruct->SDIO_Response = SDIO_Response_No;
- SDIO_CmdInitStruct->SDIO_Wait = SDIO_Wait_No;
- SDIO_CmdInitStruct->SDIO_CPSM = SDIO_CPSM_Disable;
- }
- /*******************************************************************************
- * Function Name : SDIO_GetCommandResponse
- * Description : Returns command index of last command for which response
- * received.
- * Input : None
- * Output : None
- * Return : Returns the command index of the last command response received.
- *******************************************************************************/
- u8 SDIO_GetCommandResponse(void)
- {
- return (u8)(SDIO->RESPCMD);
- }
- /*******************************************************************************
- * Function Name : SDIO_GetResponse
- * Description : Returns response received from the card for the last command.
- * Input : - SDIO_RESP: Specifies the SDIO response register.
- * This parameter can be one of the following values:
- * - SDIO_RESP1: Response Register 1
- * - SDIO_RESP2: Response Register 2
- * - SDIO_RESP3: Response Register 3
- * - SDIO_RESP4: Response Register 4
- * Output : None
- * Return : The Corresponding response register value.
- *******************************************************************************/
- u32 SDIO_GetResponse(u32 SDIO_RESP)
- {
- /* Check the parameters */
- assert_param(IS_SDIO_RESP(SDIO_RESP));
-
- return (*(vu32 *)(SDIO_RESP_ADDR + SDIO_RESP));
- }
- /*******************************************************************************
- * Function Name : SDIO_DataConfig
- * Description : Initializes the SDIO data path according to the specified
- * parameters in the SDIO_DataInitStruct.
- * Input : SDIO_DataInitStruct : pointer to a SDIO_DataInitTypeDef
- * structure that contains the configuration information
- * for the SDIO command.
- * Output : None
- * Return : None
- *******************************************************************************/
- void SDIO_DataConfig(SDIO_DataInitTypeDef* SDIO_DataInitStruct)
- {
- u32 tmpreg = 0;
-
- /* Check the parameters */
- assert_param(IS_SDIO_DATA_LENGTH(SDIO_DataInitStruct->SDIO_DataLength));
- assert_param(IS_SDIO_BLOCK_SIZE(SDIO_DataInitStruct->SDIO_DataBlockSize));
- assert_param(IS_SDIO_TRANSFER_DIR(SDIO_DataInitStruct->SDIO_TransferDir));
- assert_param(IS_SDIO_TRANSFER_MODE(SDIO_DataInitStruct->SDIO_TransferMode));
- assert_param(IS_SDIO_DPSM(SDIO_DataInitStruct->SDIO_DPSM));
- /*---------------------------- SDIO DTIMER Configuration ---------------------*/
- /* Set the SDIO Data TimeOut value */
- SDIO->DTIMER = SDIO_DataInitStruct->SDIO_DataTimeOut;
-
- /*---------------------------- SDIO DLEN Configuration -----------------------*/
- /* Set the SDIO DataLength value */
- SDIO->DLEN = SDIO_DataInitStruct->SDIO_DataLength;
-
- /*---------------------------- SDIO DCTRL Configuration ----------------------*/
- /* Get the SDIO DCTRL value */
- tmpreg = SDIO->DCTRL;
- /* Clear DEN, DTMODE, DTDIR and DBCKSIZE bits */
- tmpreg &= DCTRL_CLEAR_MASK;
- /* Set DEN bit according to SDIO_DPSM value */
- /* Set DTMODE bit according to SDIO_TransferMode value */
- /* Set DTDIR bit according to SDIO_TransferDir value */
- /* Set DBCKSIZE bits according to SDIO_DataBlockSize value */
- tmpreg |= (u32)SDIO_DataInitStruct->SDIO_DataBlockSize | SDIO_DataInitStruct->SDIO_TransferDir
- | SDIO_DataInitStruct->SDIO_TransferMode | SDIO_DataInitStruct->SDIO_DPSM;
-
- /* Write to SDIO DCTRL */
- SDIO->DCTRL = tmpreg;
- }
- /*******************************************************************************
- * Function Name : SDIO_DataStructInit
- * Description : Fills each SDIO_DataInitStruct member with its default value.
- * Input : SDIO_DataInitStruct: pointer to an SDIO_DataInitTypeDef
- * structure which will be initialized.
- * Output : None
- * Return : None
- *******************************************************************************/
- void SDIO_DataStructInit(SDIO_DataInitTypeDef* SDIO_DataInitStruct)
- {
- /* SDIO_DataInitStruct members default value */
- SDIO_DataInitStruct->SDIO_DataTimeOut = 0xFFFFFFFF;
- SDIO_DataInitStruct->SDIO_DataLength = 0x00;
- SDIO_DataInitStruct->SDIO_DataBlockSize = SDIO_DataBlockSize_1b;
- SDIO_DataInitStruct->SDIO_TransferDir = SDIO_TransferDir_ToCard;
- SDIO_DataInitStruct->SDIO_TransferMode = SDIO_TransferMode_Block;
- SDIO_DataInitStruct->SDIO_DPSM = SDIO_DPSM_Disable;
- }
- /*******************************************************************************
- * Function Name : SDIO_GetDataCounter
- * Description : Returns number of remaining data bytes to be transferred.
- * Input : None
- * Output : None
- * Return : Number of remaining data bytes to be transferred
- *******************************************************************************/
- u32 SDIO_GetDataCounter(void)
- {
- return SDIO->DCOUNT;
- }
- /*******************************************************************************
- * Function Name : SDIO_ReadData
- * Description : Read one data word from Rx FIFO.
- * Input : None
- * Output : None
- * Return : Data received
- *******************************************************************************/
- u32 SDIO_ReadData(void)
- {
- return SDIO->FIFO;
- }
- /*******************************************************************************
- * Function Name : SDIO_WriteData
- * Description : Write one data word to Tx FIFO.
- * Input : Data: 32-bit data word to write.
- * Output : None
- * Return : None
- *******************************************************************************/
- void SDIO_WriteData(u32 Data)
- {
- SDIO->FIFO = Data;
- }
- /*******************************************************************************
- * Function Name : SDIO_GetFIFOCount
- * Description : Returns the number of words left to be written to or read
- * from FIFO.
- * Input : None
- * Output : None
- * Return : Remaining number of words.
- *******************************************************************************/
- u32 SDIO_GetFIFOCount(void)
- {
- return SDIO->FIFOCNT;
- }
- /*******************************************************************************
- * Function Name : SDIO_StartSDIOReadWait
- * Description : Starts the SD I/O Read Wait operation.
- * Input : NewState: new state of the Start SDIO Read Wait operation.
- * This parameter can be: ENABLE or DISABLE.
- * Output : None
- * Return : None
- *******************************************************************************/
- void SDIO_StartSDIOReadWait(FunctionalState NewState)
- {
- /* Check the parameters */
- assert_param(IS_FUNCTIONAL_STATE(NewState));
-
- *(vu32 *) DCTRL_RWSTART_BB = (u32) NewState;
- }
- /*******************************************************************************
- * Function Name : SDIO_StopSDIOReadWait
- * Description : Stops the SD I/O Read Wait operation.
- * Input : NewState: new state of the Stop SDIO Read Wait operation.
- * This parameter can be: ENABLE or DISABLE.
- * Output : None
- * Return : None
- *******************************************************************************/
- void SDIO_StopSDIOReadWait(FunctionalState NewState)
- {
- /* Check the parameters */
- assert_param(IS_FUNCTIONAL_STATE(NewState));
-
- *(vu32 *) DCTRL_RWSTOP_BB = (u32) NewState;
- }
- /*******************************************************************************
- * Function Name : SDIO_SetSDIOReadWaitMode
- * Description : Sets one of the two options of inserting read wait interval.
- * Input : SDIOReadWaitMode: SD I/O Read Wait operation mode.
- * This parametre can be:
- * - SDIO_ReadWaitMode_CLK: Read Wait control by stopping SDIOCLK
- * - SDIO_ReadWaitMode_DATA2: Read Wait control using SDIO_DATA2
- * Output : None
- * Return : None
- *******************************************************************************/
- void SDIO_SetSDIOReadWaitMode(u32 SDIO_ReadWaitMode)
- {
- /* Check the parameters */
- assert_param(IS_SDIO_READWAIT_MODE(SDIO_ReadWaitMode));
-
- *(vu32 *) DCTRL_RWMOD_BB = SDIO_ReadWaitMode;
- }
- /*******************************************************************************
- * Function Name : SDIO_SetSDIOOperation
- * Description : Enables or disables the SD I/O Mode Operation.
- * Input : NewState: new state of SDIO specific operation.
- * This parameter can be: ENABLE or DISABLE.
- * Output : None
- * Return : None
- *******************************************************************************/
- void SDIO_SetSDIOOperation(FunctionalState NewState)
- {
- /* Check the parameters */
- assert_param(IS_FUNCTIONAL_STATE(NewState));
-
- *(vu32 *) DCTRL_SDIOEN_BB = (u32)NewState;
- }
- /*******************************************************************************
- * Function Name : SDIO_SendSDIOSuspendCmd
- * Description : Enables or disables the SD I/O Mode suspend command sending.
- * Input : NewState: new state of the SD I/O Mode suspend command.
- * This parameter can be: ENABLE or DISABLE.
- * Output : None
- * Return : None
- *******************************************************************************/
- void SDIO_SendSDIOSuspendCmd(FunctionalState NewState)
- {
- /* Check the parameters */
- assert_param(IS_FUNCTIONAL_STATE(NewState));
-
- *(vu32 *) CMD_SDIOSUSPEND_BB = (u32)NewState;
- }
- /*******************************************************************************
- * Function Name : SDIO_CommandCompletionCmd
- * Description : Enables or disables the command completion signal.
- * Input : NewState: new state of command completion signal.
- * This parameter can be: ENABLE or DISABLE.
- * Output : None
- * Return : None
- *******************************************************************************/
- void SDIO_CommandCompletionCmd(FunctionalState NewState)
- {
- /* Check the parameters */
- assert_param(IS_FUNCTIONAL_STATE(NewState));
-
- *(vu32 *) CMD_ENCMDCOMPL_BB = (u32)NewState;
- }
- /*******************************************************************************
- * Function Name : SDIO_CEATAITCmd
- * Description : Enables or disables the CE-ATA interrupt.
- * Input : NewState: new state of CE-ATA interrupt.
- * This parameter can be: ENABLE or DISABLE.
- * Output : None
- * Return : None
- *******************************************************************************/
- void SDIO_CEATAITCmd(FunctionalState NewState)
- {
- /* Check the parameters */
- assert_param(IS_FUNCTIONAL_STATE(NewState));
-
- *(vu32 *) CMD_NIEN_BB = (u32)((~((u32)NewState)) & ((u32)0x1));
- }
- /*******************************************************************************
- * Function Name : SDIO_SendCEATACmd
- * Description : Sends CE-ATA command (CMD61).
- * Input : NewState: new state of CE-ATA command.
- * This parameter can be: ENABLE or DISABLE.
- * Output : None
- * Return : None
- *******************************************************************************/
- void SDIO_SendCEATACmd(FunctionalState NewState)
- {
- /* Check the parameters */
- assert_param(IS_FUNCTIONAL_STATE(NewState));
-
- *(vu32 *) CMD_ATACMD_BB = (u32)NewState;
- }
- /*******************************************************************************
- * Function Name : SDIO_GetFlagStatus
- * Description : Checks whether the specified SDIO flag is set or not.
- * Input : SDIO_FLAG: specifies the flag to check.
- * This parameter can be one of the following values:
- * - SDIO_FLAG_CCRCFAIL: Command response received (CRC check
- * failed)
- * - SDIO_FLAG_DCRCFAIL: Data block sent/received (CRC check
- * failed)
- * - SDIO_FLAG_CTIMEOUT: Command response timeout
- * - SDIO_FLAG_DTIMEOUT: Data timeou
- * - SDIO_FLAG_TXUNDERR: Transmit FIFO underrun error
- * - SDIO_FLAG_RXOVERR: Received FIFO overrun error
- * - SDIO_FLAG_CMDREND: Command response received (CRC check
- * passed)
- * - SDIO_FLAG_CMDSENT: Command sent (no response required)
- * - SDIO_FLAG_DATAEND: Data end (data counter, SDIDCOUNT, is
- * zero)
- * - SDIO_FLAG_STBITERR: Start bit not detected on all data
- * signals in wide bus mode
- * - SDIO_FLAG_DBCKEND: Data block sent/received (CRC check
- * passed)
- * - SDIO_FLAG_CMDACT: Command transfer in progress
- * - SDIO_FLAG_TXACT: Data transmit in progress
- * - SDIO_FLAG_RXACT: Data receive in progress
- * - SDIO_FLAG_TXFIFOHE: Transmit FIFO Half Empty
- * - SDIO_FLAG_RXFIFOHF: Receive FIFO Half Full
- * - SDIO_FLAG_TXFIFOF: Transmit FIFO full
- * - SDIO_FLAG_RXFIFOF: Receive FIFO full
- * - SDIO_FLAG_TXFIFOE: Transmit FIFO empty
- * - SDIO_FLAG_RXFIFOE: Receive FIFO empty
- * - SDIO_FLAG_TXDAVL: Data available in transmit FIFO
- * - SDIO_FLAG_RXDAVL: Data available in receive FIFO
- * - SDIO_FLAG_SDIOIT: SD I/O interrupt received
- * - SDIO_FLAG_CEATAEND: CE-ATA command completion signal
- * received for CMD61
- * Output : None
- * Return : The new state of SDIO_FLAG (SET or RESET).
- *******************************************************************************/
- FlagStatus SDIO_GetFlagStatus(u32 SDIO_FLAG)
- {
- FlagStatus bitstatus = RESET;
-
- /* Check the parameters */
- assert_param(IS_SDIO_FLAG(SDIO_FLAG));
-
- if ((SDIO->STA & SDIO_FLAG) != (u32)RESET)
- {
- bitstatus = SET;
- }
- else
- {
- bitstatus = RESET;
- }
- return bitstatus;
- }
- /*******************************************************************************
- * Function Name : SDIO_ClearFlag
- * Description : Clears the SDIO's pending flags.
- * Input : SDIO_FLAG: specifies the flag to clear.
- * This parameter can be one or a combination of the following
- * values:
- * - SDIO_FLAG_CCRCFAIL: Command response received (CRC check
- * failed)
- * - SDIO_FLAG_DCRCFAIL: Data block sent/received (CRC check
- * failed)
- * - SDIO_FLAG_CTIMEOUT: Command response timeout
- * - SDIO_FLAG_DTIMEOUT: Data timeou
- * - SDIO_FLAG_TXUNDERR: Transmit FIFO underrun error
- * - SDIO_FLAG_RXOVERR: Received FIFO overrun error
- * - SDIO_FLAG_CMDREND: Command response received (CRC check
- * passed)
- * - SDIO_FLAG_CMDSENT: Command sent (no response required)
- * - SDIO_FLAG_DATAEND: Data end (data counter, SDIDCOUNT, is
- * zero)
- * - SDIO_FLAG_STBITERR: Start bit not detected on all data
- * signals in wide bus mode
- * - SDIO_FLAG_DBCKEND: Data block sent/received (CRC check
- * passed)
- * - SDIO_FLAG_SDIOIT: SD I/O interrupt received
- * - SDIO_FLAG_CEATAEND: CE-ATA command completion signal
- * received for CMD61
- * Output : None
- * Return : None
- *******************************************************************************/
- void SDIO_ClearFlag(u32 SDIO_FLAG)
- {
- /* Check the parameters */
- assert_param(IS_SDIO_CLEAR_FLAG(SDIO_FLAG));
-
- SDIO->ICR = SDIO_FLAG;
- }
- /*******************************************************************************
- * Function Name : SDIO_GetITStatus
- * Description : Checks whether the specified SDIO interrupt has occurred or not.
- * Input : SDIO_IT: specifies the SDIO interrupt source to check.
- * This parameter can be one of the following values:
- * - SDIO_IT_CCRCFAIL: Command response received (CRC check
- * failed) interrupt
- * - SDIO_IT_DCRCFAIL: Data block sent/received (CRC check
- * failed) interrupt
- * - SDIO_IT_CTIMEOUT: Command response timeout interrupt
- * - SDIO_IT_DTIMEOUT: Data timeout interrupt
- * - SDIO_IT_TXUNDERR: Transmit FIFO underrun error interrupt
- * - SDIO_IT_RXOVERR: Received FIFO overrun error interrupt
- * - SDIO_IT_CMDREND: Command response received (CRC check
- * passed) interrupt
- * - SDIO_IT_CMDSENT: Command sent (no response required)
- * interrupt
- * - SDIO_IT_DATAEND: Data end (data counter, SDIDCOUNT, is
- * zero) interrupt
- * - SDIO_IT_STBITERR: Start bit not detected on all data
- * signals in wide bus mode interrupt
- * - SDIO_IT_DBCKEND: Data block sent/received (CRC check
- * passed) interrupt
- * - SDIO_IT_CMDACT: Command transfer in progress interrupt
- * - SDIO_IT_TXACT: Data transmit in progress interrupt
- * - SDIO_IT_RXACT: Data receive in progress interrupt
- * - SDIO_IT_TXFIFOHE: Transmit FIFO Half Empty interrupt
- * - SDIO_IT_RXFIFOHF: Receive FIFO Half Full interrupt
- * - SDIO_IT_TXFIFOF: Transmit FIFO full interrupt
- * - SDIO_IT_RXFIFOF: Receive FIFO full interrupt
- * - SDIO_IT_TXFIFOE: Transmit FIFO empty interrupt
- * - SDIO_IT_RXFIFOE: Receive FIFO empty interrupt
- * - SDIO_IT_TXDAVL: Data available in transmit FIFO interrupt
- * - SDIO_IT_RXDAVL: Data available in receive FIFO interrupt
- * - SDIO_IT_SDIOIT: SD I/O interrupt received interrupt
- * - SDIO_IT_CEATAEND: CE-ATA command completion signal
- * received for CMD61 interrupt
- * Output : None
- * Return : The new state of SDIO_IT (SET or RESET).
- *******************************************************************************/
- ITStatus SDIO_GetITStatus(u32 SDIO_IT)
- {
- ITStatus bitstatus = RESET;
-
- /* Check the parameters */
- assert_param(IS_SDIO_GET_IT(SDIO_IT));
- if ((SDIO->STA & SDIO_IT) != (u32)RESET)
- {
- bitstatus = SET;
- }
- else
- {
- bitstatus = RESET;
- }
- return bitstatus;
- }
- /*******************************************************************************
- * Function Name : SDIO_ClearITPendingBit
- * Description : Clears the SDIO抯 interrupt pending bits.
- * Input : SDIO_IT: specifies the interrupt pending bit to clear.
- * This parameter can be one or a combination of the following
- * values:
- * - SDIO_IT_CCRCFAIL: Command response received (CRC check
- * failed) interrupt
- * - SDIO_IT_DCRCFAIL: Data block sent/received (CRC check
- * failed) interrupt
- * - SDIO_IT_CTIMEOUT: Command response timeout interrupt
- * - SDIO_IT_DTIMEOUT: Data timeout interrupt
- * - SDIO_IT_TXUNDERR: Transmit FIFO underrun error interrupt
- * - SDIO_IT_RXOVERR: Received FIFO overrun error interrupt
- * - SDIO_IT_CMDREND: Command response received (CRC check
- * passed) interrupt
- * - SDIO_IT_CMDSENT: Command sent (no response required)
- * interrupt
- * - SDIO_IT_DATAEND: Data end (data counter, SDIDCOUNT, is
- * zero) interrupt
- * - SDIO_IT_STBITERR: Start bit not detected on all data
- * signals in wide bus mode interrupt
- * - SDIO_IT_SDIOIT: SD I/O interrupt received interrupt
- * - SDIO_IT_CEATAEND: CE-ATA command completion signal
- * received for CMD61
- * Output : None
- * Return : None
- *******************************************************************************/
- void SDIO_ClearITPendingBit(u32 SDIO_IT)
- {
- /* Check the parameters */
- assert_param(IS_SDIO_CLEAR_IT(SDIO_IT));
-
- SDIO->ICR = SDIO_IT;
- }
- /******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/