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| author | bnewbold <bnewbold@robocracy.org> | 2010-03-30 20:52:45 -0400 |
|---|---|---|
| committer | bnewbold <bnewbold@robocracy.org> | 2010-03-30 20:52:45 -0400 |
| commit | e7d600494579ef319b20221769c3b2fe12962243 (patch) | |
| tree | 5c95101e295bcfdd7f9f4292ce9204ddf7e7f662 /stm32lib/src/stm32f10x_sdio.c | |
| parent | 8d6bf3b196c2a0bc1adda4a04669e54fdc5b65cb (diff) | |
| download | librambutan-e7d600494579ef319b20221769c3b2fe12962243.tar.gz librambutan-e7d600494579ef319b20221769c3b2fe12962243.zip | |
Major hierarchy reorganization; see README.
copy-to-ide and Makefile updated to conform; .gitignore added;
LICENSE added
Diffstat (limited to 'stm32lib/src/stm32f10x_sdio.c')
| -rw-r--r-- | stm32lib/src/stm32f10x_sdio.c | 832 |
1 files changed, 832 insertions, 0 deletions
diff --git a/stm32lib/src/stm32f10x_sdio.c b/stm32lib/src/stm32f10x_sdio.c new file mode 100644 index 0000000..b7da816 --- /dev/null +++ b/stm32lib/src/stm32f10x_sdio.c @@ -0,0 +1,832 @@ +/******************** (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’s 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****/
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