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STM32 firmware for a remotely-controlled stepper motor demo with a mobile interface.
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f105-motor-demo_stm32/lib/spl/src/stm32f10x_sdio.c

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/**
******************************************************************************
* @file stm32f10x_sdio.c
* @author MCD Application Team
* @version V3.5.0
* @date 11-March-2011
* @brief This file provides all the SDIO firmware functions.
******************************************************************************
* @attention
*
* 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.
*
* <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32f10x_sdio.h"
#include "stm32f10x_rcc.h"
/** @addtogroup STM32F10x_StdPeriph_Driver
* @{
*/
/** @defgroup SDIO
* @brief SDIO driver modules
* @{
*/
/** @defgroup SDIO_Private_TypesDefinitions
* @{
*/
/* ------------ 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 ((uint32_t)0xFFFF8100)
/* --- PWRCTRL Register ---*/
/* SDIO PWRCTRL Mask */
#define PWR_PWRCTRL_MASK ((uint32_t)0xFFFFFFFC)
/* --- DCTRL Register ---*/
/* SDIO DCTRL Clear Mask */
#define DCTRL_CLEAR_MASK ((uint32_t)0xFFFFFF08)
/* --- CMD Register ---*/
/* CMD Register clear mask */
#define CMD_CLEAR_MASK ((uint32_t)0xFFFFF800)
/* SDIO RESP Registers Address */
#define SDIO_RESP_ADDR ((uint32_t)(SDIO_BASE + 0x14))
/**
* @}
*/
/** @defgroup SDIO_Private_Defines
* @{
*/
/**
* @}
*/
/** @defgroup SDIO_Private_Macros
* @{
*/
/**
* @}
*/
/** @defgroup SDIO_Private_Variables
* @{
*/
/**
* @}
*/
/** @defgroup SDIO_Private_FunctionPrototypes
* @{
*/
/**
* @}
*/
/** @defgroup SDIO_Private_Functions
* @{
*/
/**
* @brief Deinitializes the SDIO peripheral registers to their default reset values.
* @param None
* @retval 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;
}
/**
* @brief Initializes the SDIO peripheral according to the specified
* parameters in the SDIO_InitStruct.
* @param SDIO_InitStruct : pointer to a SDIO_InitTypeDef structure
* that contains the configuration information for the SDIO peripheral.
* @retval None
*/
void SDIO_Init(SDIO_InitTypeDef* SDIO_InitStruct)
{
uint32_t 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;
}
/**
* @brief Fills each SDIO_InitStruct member with its default value.
* @param SDIO_InitStruct: pointer to an SDIO_InitTypeDef structure which
* will be initialized.
* @retval 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;
}
/**
* @brief Enables or disables the SDIO Clock.
* @param NewState: new state of the SDIO Clock. This parameter can be: ENABLE or DISABLE.
* @retval None
*/
void SDIO_ClockCmd(FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(NewState));
*(__IO uint32_t *) CLKCR_CLKEN_BB = (uint32_t)NewState;
}
/**
* @brief Sets the power status of the controller.
* @param SDIO_PowerState: new state of the Power state.
* This parameter can be one of the following values:
* @arg SDIO_PowerState_OFF
* @arg SDIO_PowerState_ON
* @retval None
*/
void SDIO_SetPowerState(uint32_t SDIO_PowerState)
{
/* Check the parameters */
assert_param(IS_SDIO_POWER_STATE(SDIO_PowerState));
SDIO->POWER &= PWR_PWRCTRL_MASK;
SDIO->POWER |= SDIO_PowerState;
}
/**
* @brief Gets the power status of the controller.
* @param None
* @retval Power status of the controller. The returned value can
* be one of the following:
* - 0x00: Power OFF
* - 0x02: Power UP
* - 0x03: Power ON
*/
uint32_t SDIO_GetPowerState(void)
{
return (SDIO->POWER & (~PWR_PWRCTRL_MASK));
}
/**
* @brief Enables or disables the SDIO interrupts.
* @param SDIO_IT: specifies the SDIO interrupt sources to be enabled or disabled.
* This parameter can be one or a combination of the following values:
* @arg SDIO_IT_CCRCFAIL: Command response received (CRC check failed) interrupt
* @arg SDIO_IT_DCRCFAIL: Data block sent/received (CRC check failed) interrupt
* @arg SDIO_IT_CTIMEOUT: Command response timeout interrupt
* @arg SDIO_IT_DTIMEOUT: Data timeout interrupt
* @arg SDIO_IT_TXUNDERR: Transmit FIFO underrun error interrupt
* @arg SDIO_IT_RXOVERR: Received FIFO overrun error interrupt
* @arg SDIO_IT_CMDREND: Command response received (CRC check passed) interrupt
* @arg SDIO_IT_CMDSENT: Command sent (no response required) interrupt
* @arg SDIO_IT_DATAEND: Data end (data counter, SDIDCOUNT, is zero) interrupt
* @arg SDIO_IT_STBITERR: Start bit not detected on all data signals in wide
* bus mode interrupt
* @arg SDIO_IT_DBCKEND: Data block sent/received (CRC check passed) interrupt
* @arg SDIO_IT_CMDACT: Command transfer in progress interrupt
* @arg SDIO_IT_TXACT: Data transmit in progress interrupt
* @arg SDIO_IT_RXACT: Data receive in progress interrupt
* @arg SDIO_IT_TXFIFOHE: Transmit FIFO Half Empty interrupt
* @arg SDIO_IT_RXFIFOHF: Receive FIFO Half Full interrupt
* @arg SDIO_IT_TXFIFOF: Transmit FIFO full interrupt
* @arg SDIO_IT_RXFIFOF: Receive FIFO full interrupt
* @arg SDIO_IT_TXFIFOE: Transmit FIFO empty interrupt
* @arg SDIO_IT_RXFIFOE: Receive FIFO empty interrupt
* @arg SDIO_IT_TXDAVL: Data available in transmit FIFO interrupt
* @arg SDIO_IT_RXDAVL: Data available in receive FIFO interrupt
* @arg SDIO_IT_SDIOIT: SD I/O interrupt received interrupt
* @arg SDIO_IT_CEATAEND: CE-ATA command completion signal received for CMD61 interrupt
* @param NewState: new state of the specified SDIO interrupts.
* This parameter can be: ENABLE or DISABLE.
* @retval None
*/
void SDIO_ITConfig(uint32_t 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;
}
}
/**
* @brief Enables or disables the SDIO DMA request.
* @param NewState: new state of the selected SDIO DMA request.
* This parameter can be: ENABLE or DISABLE.
* @retval None
*/
void SDIO_DMACmd(FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(NewState));
*(__IO uint32_t *) DCTRL_DMAEN_BB = (uint32_t)NewState;
}
/**
* @brief Initializes the SDIO Command according to the specified
* parameters in the SDIO_CmdInitStruct and send the command.
* @param SDIO_CmdInitStruct : pointer to a SDIO_CmdInitTypeDef
* structure that contains the configuration information for the SDIO command.
* @retval None
*/
void SDIO_SendCommand(SDIO_CmdInitTypeDef *SDIO_CmdInitStruct)
{
uint32_t 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 |= (uint32_t)SDIO_CmdInitStruct->SDIO_CmdIndex | SDIO_CmdInitStruct->SDIO_Response
| SDIO_CmdInitStruct->SDIO_Wait | SDIO_CmdInitStruct->SDIO_CPSM;
/* Write to SDIO CMD */
SDIO->CMD = tmpreg;
}
/**
* @brief Fills each SDIO_CmdInitStruct member with its default value.
* @param SDIO_CmdInitStruct: pointer to an SDIO_CmdInitTypeDef
* structure which will be initialized.
* @retval 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;
}
/**
* @brief Returns command index of last command for which response received.
* @param None
* @retval Returns the command index of the last command response received.
*/
uint8_t SDIO_GetCommandResponse(void)
{
return (uint8_t)(SDIO->RESPCMD);
}
/**
* @brief Returns response received from the card for the last command.
* @param SDIO_RESP: Specifies the SDIO response register.
* This parameter can be one of the following values:
* @arg SDIO_RESP1: Response Register 1
* @arg SDIO_RESP2: Response Register 2
* @arg SDIO_RESP3: Response Register 3
* @arg SDIO_RESP4: Response Register 4
* @retval The Corresponding response register value.
*/
uint32_t SDIO_GetResponse(uint32_t SDIO_RESP)
{
__IO uint32_t tmp = 0;
/* Check the parameters */
assert_param(IS_SDIO_RESP(SDIO_RESP));
tmp = SDIO_RESP_ADDR + SDIO_RESP;
return (*(__IO uint32_t *) tmp);
}
/**
* @brief Initializes the SDIO data path according to the specified
* parameters in the SDIO_DataInitStruct.
* @param SDIO_DataInitStruct : pointer to a SDIO_DataInitTypeDef structure that
* contains the configuration information for the SDIO command.
* @retval None
*/
void SDIO_DataConfig(SDIO_DataInitTypeDef* SDIO_DataInitStruct)
{
uint32_t 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 |= (uint32_t)SDIO_DataInitStruct->SDIO_DataBlockSize | SDIO_DataInitStruct->SDIO_TransferDir
| SDIO_DataInitStruct->SDIO_TransferMode | SDIO_DataInitStruct->SDIO_DPSM;
/* Write to SDIO DCTRL */
SDIO->DCTRL = tmpreg;
}
/**
* @brief Fills each SDIO_DataInitStruct member with its default value.
* @param SDIO_DataInitStruct: pointer to an SDIO_DataInitTypeDef structure which
* will be initialized.
* @retval 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;
}
/**
* @brief Returns number of remaining data bytes to be transferred.
* @param None
* @retval Number of remaining data bytes to be transferred
*/
uint32_t SDIO_GetDataCounter(void)
{
return SDIO->DCOUNT;
}
/**
* @brief Read one data word from Rx FIFO.
* @param None
* @retval Data received
*/
uint32_t SDIO_ReadData(void)
{
return SDIO->FIFO;
}
/**
* @brief Write one data word to Tx FIFO.
* @param Data: 32-bit data word to write.
* @retval None
*/
void SDIO_WriteData(uint32_t Data)
{
SDIO->FIFO = Data;
}
/**
* @brief Returns the number of words left to be written to or read from FIFO.
* @param None
* @retval Remaining number of words.
*/
uint32_t SDIO_GetFIFOCount(void)
{
return SDIO->FIFOCNT;
}
/**
* @brief Starts the SD I/O Read Wait operation.
* @param NewState: new state of the Start SDIO Read Wait operation.
* This parameter can be: ENABLE or DISABLE.
* @retval None
*/
void SDIO_StartSDIOReadWait(FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(NewState));
*(__IO uint32_t *) DCTRL_RWSTART_BB = (uint32_t) NewState;
}
/**
* @brief Stops the SD I/O Read Wait operation.
* @param NewState: new state of the Stop SDIO Read Wait operation.
* This parameter can be: ENABLE or DISABLE.
* @retval None
*/
void SDIO_StopSDIOReadWait(FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(NewState));
*(__IO uint32_t *) DCTRL_RWSTOP_BB = (uint32_t) NewState;
}
/**
* @brief Sets one of the two options of inserting read wait interval.
* @param SDIO_ReadWaitMode: SD I/O Read Wait operation mode.
* This parameter can be:
* @arg SDIO_ReadWaitMode_CLK: Read Wait control by stopping SDIOCLK
* @arg SDIO_ReadWaitMode_DATA2: Read Wait control using SDIO_DATA2
* @retval None
*/
void SDIO_SetSDIOReadWaitMode(uint32_t SDIO_ReadWaitMode)
{
/* Check the parameters */
assert_param(IS_SDIO_READWAIT_MODE(SDIO_ReadWaitMode));
*(__IO uint32_t *) DCTRL_RWMOD_BB = SDIO_ReadWaitMode;
}
/**
* @brief Enables or disables the SD I/O Mode Operation.
* @param NewState: new state of SDIO specific operation.
* This parameter can be: ENABLE or DISABLE.
* @retval None
*/
void SDIO_SetSDIOOperation(FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(NewState));
*(__IO uint32_t *) DCTRL_SDIOEN_BB = (uint32_t)NewState;
}
/**
* @brief Enables or disables the SD I/O Mode suspend command sending.
* @param NewState: new state of the SD I/O Mode suspend command.
* This parameter can be: ENABLE or DISABLE.
* @retval None
*/
void SDIO_SendSDIOSuspendCmd(FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(NewState));
*(__IO uint32_t *) CMD_SDIOSUSPEND_BB = (uint32_t)NewState;
}
/**
* @brief Enables or disables the command completion signal.
* @param NewState: new state of command completion signal.
* This parameter can be: ENABLE or DISABLE.
* @retval None
*/
void SDIO_CommandCompletionCmd(FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(NewState));
*(__IO uint32_t *) CMD_ENCMDCOMPL_BB = (uint32_t)NewState;
}
/**
* @brief Enables or disables the CE-ATA interrupt.
* @param NewState: new state of CE-ATA interrupt. This parameter can be: ENABLE or DISABLE.
* @retval None
*/
void SDIO_CEATAITCmd(FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(NewState));
*(__IO uint32_t *) CMD_NIEN_BB = (uint32_t)((~((uint32_t)NewState)) & ((uint32_t)0x1));
}
/**
* @brief Sends CE-ATA command (CMD61).
* @param NewState: new state of CE-ATA command. This parameter can be: ENABLE or DISABLE.
* @retval None
*/
void SDIO_SendCEATACmd(FunctionalState NewState)
{
/* Check the parameters */
assert_param(IS_FUNCTIONAL_STATE(NewState));
*(__IO uint32_t *) CMD_ATACMD_BB = (uint32_t)NewState;
}
/**
* @brief Checks whether the specified SDIO flag is set or not.
* @param SDIO_FLAG: specifies the flag to check.
* This parameter can be one of the following values:
* @arg SDIO_FLAG_CCRCFAIL: Command response received (CRC check failed)
* @arg SDIO_FLAG_DCRCFAIL: Data block sent/received (CRC check failed)
* @arg SDIO_FLAG_CTIMEOUT: Command response timeout
* @arg SDIO_FLAG_DTIMEOUT: Data timeout
* @arg SDIO_FLAG_TXUNDERR: Transmit FIFO underrun error
* @arg SDIO_FLAG_RXOVERR: Received FIFO overrun error
* @arg SDIO_FLAG_CMDREND: Command response received (CRC check passed)
* @arg SDIO_FLAG_CMDSENT: Command sent (no response required)
* @arg SDIO_FLAG_DATAEND: Data end (data counter, SDIDCOUNT, is zero)
* @arg SDIO_FLAG_STBITERR: Start bit not detected on all data signals in wide
* bus mode.
* @arg SDIO_FLAG_DBCKEND: Data block sent/received (CRC check passed)
* @arg SDIO_FLAG_CMDACT: Command transfer in progress
* @arg SDIO_FLAG_TXACT: Data transmit in progress
* @arg SDIO_FLAG_RXACT: Data receive in progress
* @arg SDIO_FLAG_TXFIFOHE: Transmit FIFO Half Empty
* @arg SDIO_FLAG_RXFIFOHF: Receive FIFO Half Full
* @arg SDIO_FLAG_TXFIFOF: Transmit FIFO full
* @arg SDIO_FLAG_RXFIFOF: Receive FIFO full
* @arg SDIO_FLAG_TXFIFOE: Transmit FIFO empty
* @arg SDIO_FLAG_RXFIFOE: Receive FIFO empty
* @arg SDIO_FLAG_TXDAVL: Data available in transmit FIFO
* @arg SDIO_FLAG_RXDAVL: Data available in receive FIFO
* @arg SDIO_FLAG_SDIOIT: SD I/O interrupt received
* @arg SDIO_FLAG_CEATAEND: CE-ATA command completion signal received for CMD61
* @retval The new state of SDIO_FLAG (SET or RESET).
*/
FlagStatus SDIO_GetFlagStatus(uint32_t SDIO_FLAG)
{
FlagStatus bitstatus = RESET;
/* Check the parameters */
assert_param(IS_SDIO_FLAG(SDIO_FLAG));
if ((SDIO->STA & SDIO_FLAG) != (uint32_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/**
* @brief Clears the SDIO's pending flags.
* @param SDIO_FLAG: specifies the flag to clear.
* This parameter can be one or a combination of the following values:
* @arg SDIO_FLAG_CCRCFAIL: Command response received (CRC check failed)
* @arg SDIO_FLAG_DCRCFAIL: Data block sent/received (CRC check failed)
* @arg SDIO_FLAG_CTIMEOUT: Command response timeout
* @arg SDIO_FLAG_DTIMEOUT: Data timeout
* @arg SDIO_FLAG_TXUNDERR: Transmit FIFO underrun error
* @arg SDIO_FLAG_RXOVERR: Received FIFO overrun error
* @arg SDIO_FLAG_CMDREND: Command response received (CRC check passed)
* @arg SDIO_FLAG_CMDSENT: Command sent (no response required)
* @arg SDIO_FLAG_DATAEND: Data end (data counter, SDIDCOUNT, is zero)
* @arg SDIO_FLAG_STBITERR: Start bit not detected on all data signals in wide
* bus mode
* @arg SDIO_FLAG_DBCKEND: Data block sent/received (CRC check passed)
* @arg SDIO_FLAG_SDIOIT: SD I/O interrupt received
* @arg SDIO_FLAG_CEATAEND: CE-ATA command completion signal received for CMD61
* @retval None
*/
void SDIO_ClearFlag(uint32_t SDIO_FLAG)
{
/* Check the parameters */
assert_param(IS_SDIO_CLEAR_FLAG(SDIO_FLAG));
SDIO->ICR = SDIO_FLAG;
}
/**
* @brief Checks whether the specified SDIO interrupt has occurred or not.
* @param SDIO_IT: specifies the SDIO interrupt source to check.
* This parameter can be one of the following values:
* @arg SDIO_IT_CCRCFAIL: Command response received (CRC check failed) interrupt
* @arg SDIO_IT_DCRCFAIL: Data block sent/received (CRC check failed) interrupt
* @arg SDIO_IT_CTIMEOUT: Command response timeout interrupt
* @arg SDIO_IT_DTIMEOUT: Data timeout interrupt
* @arg SDIO_IT_TXUNDERR: Transmit FIFO underrun error interrupt
* @arg SDIO_IT_RXOVERR: Received FIFO overrun error interrupt
* @arg SDIO_IT_CMDREND: Command response received (CRC check passed) interrupt
* @arg SDIO_IT_CMDSENT: Command sent (no response required) interrupt
* @arg SDIO_IT_DATAEND: Data end (data counter, SDIDCOUNT, is zero) interrupt
* @arg SDIO_IT_STBITERR: Start bit not detected on all data signals in wide
* bus mode interrupt
* @arg SDIO_IT_DBCKEND: Data block sent/received (CRC check passed) interrupt
* @arg SDIO_IT_CMDACT: Command transfer in progress interrupt
* @arg SDIO_IT_TXACT: Data transmit in progress interrupt
* @arg SDIO_IT_RXACT: Data receive in progress interrupt
* @arg SDIO_IT_TXFIFOHE: Transmit FIFO Half Empty interrupt
* @arg SDIO_IT_RXFIFOHF: Receive FIFO Half Full interrupt
* @arg SDIO_IT_TXFIFOF: Transmit FIFO full interrupt
* @arg SDIO_IT_RXFIFOF: Receive FIFO full interrupt
* @arg SDIO_IT_TXFIFOE: Transmit FIFO empty interrupt
* @arg SDIO_IT_RXFIFOE: Receive FIFO empty interrupt
* @arg SDIO_IT_TXDAVL: Data available in transmit FIFO interrupt
* @arg SDIO_IT_RXDAVL: Data available in receive FIFO interrupt
* @arg SDIO_IT_SDIOIT: SD I/O interrupt received interrupt
* @arg SDIO_IT_CEATAEND: CE-ATA command completion signal received for CMD61 interrupt
* @retval The new state of SDIO_IT (SET or RESET).
*/
ITStatus SDIO_GetITStatus(uint32_t SDIO_IT)
{
ITStatus bitstatus = RESET;
/* Check the parameters */
assert_param(IS_SDIO_GET_IT(SDIO_IT));
if ((SDIO->STA & SDIO_IT) != (uint32_t)RESET)
{
bitstatus = SET;
}
else
{
bitstatus = RESET;
}
return bitstatus;
}
/**
* @brief Clears the SDIO's interrupt pending bits.
* @param SDIO_IT: specifies the interrupt pending bit to clear.
* This parameter can be one or a combination of the following values:
* @arg SDIO_IT_CCRCFAIL: Command response received (CRC check failed) interrupt
* @arg SDIO_IT_DCRCFAIL: Data block sent/received (CRC check failed) interrupt
* @arg SDIO_IT_CTIMEOUT: Command response timeout interrupt
* @arg SDIO_IT_DTIMEOUT: Data timeout interrupt
* @arg SDIO_IT_TXUNDERR: Transmit FIFO underrun error interrupt
* @arg SDIO_IT_RXOVERR: Received FIFO overrun error interrupt
* @arg SDIO_IT_CMDREND: Command response received (CRC check passed) interrupt
* @arg SDIO_IT_CMDSENT: Command sent (no response required) interrupt
* @arg SDIO_IT_DATAEND: Data end (data counter, SDIDCOUNT, is zero) interrupt
* @arg SDIO_IT_STBITERR: Start bit not detected on all data signals in wide
* bus mode interrupt
* @arg SDIO_IT_SDIOIT: SD I/O interrupt received interrupt
* @arg SDIO_IT_CEATAEND: CE-ATA command completion signal received for CMD61
* @retval None
*/
void SDIO_ClearITPendingBit(uint32_t SDIO_IT)
{
/* Check the parameters */
assert_param(IS_SDIO_CLEAR_IT(SDIO_IT));
SDIO->ICR = SDIO_IT;
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/