--- /dev/null
+/**\r
+ ******************************************************************************\r
+ * @file stm32f10x_sdio.c\r
+ * @author MCD Application Team\r
+ * @version V3.0.0\r
+ * @date 04/06/2009\r
+ * @brief This file provides all the SDIO firmware functions.\r
+ ******************************************************************************\r
+ * @copy\r
+ *\r
+ * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS\r
+ * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE\r
+ * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY\r
+ * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING\r
+ * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE\r
+ * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.\r
+ *\r
+ * <h2><center>© COPYRIGHT 2009 STMicroelectronics</center></h2>\r
+ */ \r
+\r
+/* Includes ------------------------------------------------------------------*/\r
+#include "stm32f10x_sdio.h"\r
+#include "stm32f10x_rcc.h"\r
+\r
+/** @addtogroup StdPeriph_Driver\r
+ * @{\r
+ */\r
+\r
+/** @defgroup SDIO \r
+ * @brief SDIO driver modules\r
+ * @{\r
+ */ \r
+\r
+/** @defgroup SDIO_Private_TypesDefinitions\r
+ * @{\r
+ */ \r
+\r
+/* ------------ SDIO registers bit address in the alias region ----------- */\r
+#define SDIO_OFFSET (SDIO_BASE - PERIPH_BASE)\r
+\r
+/* --- CLKCR Register ---*/\r
+\r
+/* Alias word address of CLKEN bit */\r
+#define CLKCR_OFFSET (SDIO_OFFSET + 0x04)\r
+#define CLKEN_BitNumber 0x08\r
+#define CLKCR_CLKEN_BB (PERIPH_BB_BASE + (CLKCR_OFFSET * 32) + (CLKEN_BitNumber * 4))\r
+\r
+/* --- CMD Register ---*/\r
+\r
+/* Alias word address of SDIOSUSPEND bit */\r
+#define CMD_OFFSET (SDIO_OFFSET + 0x0C)\r
+#define SDIOSUSPEND_BitNumber 0x0B\r
+#define CMD_SDIOSUSPEND_BB (PERIPH_BB_BASE + (CMD_OFFSET * 32) + (SDIOSUSPEND_BitNumber * 4))\r
+\r
+/* Alias word address of ENCMDCOMPL bit */\r
+#define ENCMDCOMPL_BitNumber 0x0C\r
+#define CMD_ENCMDCOMPL_BB (PERIPH_BB_BASE + (CMD_OFFSET * 32) + (ENCMDCOMPL_BitNumber * 4))\r
+\r
+/* Alias word address of NIEN bit */\r
+#define NIEN_BitNumber 0x0D\r
+#define CMD_NIEN_BB (PERIPH_BB_BASE + (CMD_OFFSET * 32) + (NIEN_BitNumber * 4))\r
+\r
+/* Alias word address of ATACMD bit */\r
+#define ATACMD_BitNumber 0x0E\r
+#define CMD_ATACMD_BB (PERIPH_BB_BASE + (CMD_OFFSET * 32) + (ATACMD_BitNumber * 4))\r
+\r
+/* --- DCTRL Register ---*/\r
+\r
+/* Alias word address of DMAEN bit */\r
+#define DCTRL_OFFSET (SDIO_OFFSET + 0x2C)\r
+#define DMAEN_BitNumber 0x03\r
+#define DCTRL_DMAEN_BB (PERIPH_BB_BASE + (DCTRL_OFFSET * 32) + (DMAEN_BitNumber * 4))\r
+\r
+/* Alias word address of RWSTART bit */\r
+#define RWSTART_BitNumber 0x08\r
+#define DCTRL_RWSTART_BB (PERIPH_BB_BASE + (DCTRL_OFFSET * 32) + (RWSTART_BitNumber * 4))\r
+\r
+/* Alias word address of RWSTOP bit */\r
+#define RWSTOP_BitNumber 0x09\r
+#define DCTRL_RWSTOP_BB (PERIPH_BB_BASE + (DCTRL_OFFSET * 32) + (RWSTOP_BitNumber * 4))\r
+\r
+/* Alias word address of RWMOD bit */\r
+#define RWMOD_BitNumber 0x0A\r
+#define DCTRL_RWMOD_BB (PERIPH_BB_BASE + (DCTRL_OFFSET * 32) + (RWMOD_BitNumber * 4))\r
+\r
+/* Alias word address of SDIOEN bit */\r
+#define SDIOEN_BitNumber 0x0B\r
+#define DCTRL_SDIOEN_BB (PERIPH_BB_BASE + (DCTRL_OFFSET * 32) + (SDIOEN_BitNumber * 4))\r
+\r
+/* ---------------------- SDIO registers bit mask ------------------------ */\r
+\r
+/* --- CLKCR Register ---*/\r
+\r
+/* CLKCR register clear mask */\r
+#define CLKCR_CLEAR_MASK ((uint32_t)0xFFFF8100) \r
+\r
+/* --- PWRCTRL Register ---*/\r
+\r
+/* SDIO PWRCTRL Mask */\r
+#define PWR_PWRCTRL_MASK ((uint32_t)0xFFFFFFFC)\r
+\r
+/* --- DCTRL Register ---*/\r
+\r
+/* SDIO DCTRL Clear Mask */\r
+#define DCTRL_CLEAR_MASK ((uint32_t)0xFFFFFF08)\r
+\r
+/* --- CMD Register ---*/\r
+\r
+/* CMD Register clear mask */\r
+#define CMD_CLEAR_MASK ((uint32_t)0xFFFFF800)\r
+\r
+/* SDIO RESP Registers Address */\r
+#define SDIO_RESP_ADDR ((uint32_t)(SDIO_BASE + 0x14))\r
+\r
+/**\r
+ * @}\r
+ */\r
+\r
+/** @defgroup SDIO_Private_Defines\r
+ * @{\r
+ */\r
+\r
+/**\r
+ * @}\r
+ */\r
+\r
+/** @defgroup SDIO_Private_Macros\r
+ * @{\r
+ */\r
+\r
+/**\r
+ * @}\r
+ */\r
+\r
+/** @defgroup SDIO_Private_Variables\r
+ * @{\r
+ */\r
+\r
+/**\r
+ * @}\r
+ */\r
+\r
+/** @defgroup SDIO_Private_FunctionPrototypes\r
+ * @{\r
+ */\r
+\r
+/**\r
+ * @}\r
+ */\r
+\r
+/** @defgroup SDIO_Private_Functions\r
+ * @{\r
+ */\r
+\r
+/**\r
+ * @brief Deinitializes the SDIO peripheral registers to their default\r
+ * reset values.\r
+ * @param None\r
+ * @retval : None\r
+ */\r
+void SDIO_DeInit(void)\r
+{\r
+ SDIO->POWER = 0x00000000;\r
+ SDIO->CLKCR = 0x00000000;\r
+ SDIO->ARG = 0x00000000;\r
+ SDIO->CMD = 0x00000000;\r
+ SDIO->DTIMER = 0x00000000;\r
+ SDIO->DLEN = 0x00000000;\r
+ SDIO->DCTRL = 0x00000000;\r
+ SDIO->ICR = 0x00C007FF;\r
+ SDIO->MASK = 0x00000000;\r
+}\r
+\r
+/**\r
+ * @brief Initializes the SDIO peripheral according to the specified \r
+ * parameters in the SDIO_InitStruct.\r
+ * @param SDIO_InitStruct : pointer to a SDIO_InitTypeDef structure \r
+ * that contains the configuration information for the SDIO \r
+ * peripheral.\r
+ * @retval : None\r
+ */\r
+void SDIO_Init(SDIO_InitTypeDef* SDIO_InitStruct)\r
+{\r
+ uint32_t tmpreg = 0;\r
+ \r
+ /* Check the parameters */\r
+ assert_param(IS_SDIO_CLOCK_EDGE(SDIO_InitStruct->SDIO_ClockEdge));\r
+ assert_param(IS_SDIO_CLOCK_BYPASS(SDIO_InitStruct->SDIO_ClockBypass));\r
+ assert_param(IS_SDIO_CLOCK_POWER_SAVE(SDIO_InitStruct->SDIO_ClockPowerSave));\r
+ assert_param(IS_SDIO_BUS_WIDE(SDIO_InitStruct->SDIO_BusWide));\r
+ assert_param(IS_SDIO_HARDWARE_FLOW_CONTROL(SDIO_InitStruct->SDIO_HardwareFlowControl)); \r
+ \r
+/*---------------------------- SDIO CLKCR Configuration ------------------------*/ \r
+ /* Get the SDIO CLKCR value */\r
+ tmpreg = SDIO->CLKCR;\r
+ \r
+ /* Clear CLKDIV, PWRSAV, BYPASS, WIDBUS, NEGEDGE, HWFC_EN bits */\r
+ tmpreg &= CLKCR_CLEAR_MASK;\r
+ \r
+ /* Set CLKDIV bits according to SDIO_ClockDiv value */\r
+ /* Set PWRSAV bit according to SDIO_ClockPowerSave value */\r
+ /* Set BYPASS bit according to SDIO_ClockBypass value */\r
+ /* Set WIDBUS bits according to SDIO_BusWide value */\r
+ /* Set NEGEDGE bits according to SDIO_ClockEdge value */\r
+ /* Set HWFC_EN bits according to SDIO_HardwareFlowControl value */\r
+ tmpreg |= (SDIO_InitStruct->SDIO_ClockDiv | SDIO_InitStruct->SDIO_ClockPowerSave |\r
+ SDIO_InitStruct->SDIO_ClockBypass | SDIO_InitStruct->SDIO_BusWide |\r
+ SDIO_InitStruct->SDIO_ClockEdge | SDIO_InitStruct->SDIO_HardwareFlowControl); \r
+ \r
+ /* Write to SDIO CLKCR */\r
+ SDIO->CLKCR = tmpreg;\r
+}\r
+\r
+/**\r
+ * @brief Fills each SDIO_InitStruct member with its default value.\r
+ * @param SDIO_InitStruct: pointer to an SDIO_InitTypeDef structure which \r
+ * will be initialized.\r
+ * @retval : None\r
+ */\r
+void SDIO_StructInit(SDIO_InitTypeDef* SDIO_InitStruct)\r
+{\r
+ /* SDIO_InitStruct members default value */\r
+ SDIO_InitStruct->SDIO_ClockDiv = 0x00;\r
+ SDIO_InitStruct->SDIO_ClockEdge = SDIO_ClockEdge_Rising;\r
+ SDIO_InitStruct->SDIO_ClockBypass = SDIO_ClockBypass_Disable;\r
+ SDIO_InitStruct->SDIO_ClockPowerSave = SDIO_ClockPowerSave_Disable;\r
+ SDIO_InitStruct->SDIO_BusWide = SDIO_BusWide_1b;\r
+ SDIO_InitStruct->SDIO_HardwareFlowControl = SDIO_HardwareFlowControl_Disable;\r
+}\r
+\r
+/**\r
+ * @brief Enables or disables the SDIO Clock.\r
+ * @param NewState: new state of the SDIO Clock.\r
+ * This parameter can be: ENABLE or DISABLE.\r
+ * @retval : None\r
+ */\r
+void SDIO_ClockCmd(FunctionalState NewState)\r
+{\r
+ /* Check the parameters */\r
+ assert_param(IS_FUNCTIONAL_STATE(NewState));\r
+ \r
+ *(__IO uint32_t *) CLKCR_CLKEN_BB = (uint32_t)NewState;\r
+}\r
+\r
+/**\r
+ * @brief Sets the power status of the controller.\r
+ * @param SDIO_PowerState: new state of the Power state. \r
+ * This parameter can be one of the following values:\r
+ * @arg SDIO_PowerState_OFF\r
+ * @arg SDIO_PowerState_ON\r
+ * @retval : None\r
+ */\r
+void SDIO_SetPowerState(uint32_t SDIO_PowerState)\r
+{\r
+ /* Check the parameters */\r
+ assert_param(IS_SDIO_POWER_STATE(SDIO_PowerState));\r
+ \r
+ SDIO->POWER &= PWR_PWRCTRL_MASK;\r
+ SDIO->POWER |= SDIO_PowerState;\r
+}\r
+\r
+/**\r
+ * @brief Gets the power status of the controller.\r
+ * @param None\r
+ * @retval : Power status of the controller. The returned value can\r
+ * be one of the following:\r
+ * - 0x00: Power OFF\r
+ * - 0x02: Power UP\r
+ * - 0x03: Power ON \r
+ */\r
+uint32_t SDIO_GetPowerState(void)\r
+{\r
+ return (SDIO->POWER & (~PWR_PWRCTRL_MASK));\r
+}\r
+\r
+/**\r
+ * @brief Enables or disables the SDIO interrupts.\r
+ * @param SDIO_IT: specifies the SDIO interrupt sources to be \r
+ * enabled or disabled.\r
+ * This parameter can be one or a combination of the following values:\r
+ * @arg SDIO_IT_CCRCFAIL: Command response received (CRC check failed) interrupt\r
+ * @arg SDIO_IT_DCRCFAIL: Data block sent/received (CRC check failed) interrupt\r
+ * @arg SDIO_IT_CTIMEOUT: Command response timeout interrupt\r
+ * @arg SDIO_IT_DTIMEOUT: Data timeout interrupt\r
+ * @arg SDIO_IT_TXUNDERR: Transmit FIFO underrun error interrupt\r
+ * @arg SDIO_IT_RXOVERR: Received FIFO overrun error interrupt\r
+ * @arg SDIO_IT_CMDREND: Command response received (CRC check passed) interrupt\r
+ * @arg SDIO_IT_CMDSENT: Command sent (no response required) interrupt\r
+ * @arg SDIO_IT_DATAEND: Data end (data counter, SDIDCOUNT, is zero) interrupt\r
+ * @arg SDIO_IT_STBITERR: Start bit not detected on all data signals in wide \r
+ * bus mode interrupt\r
+ * @arg SDIO_IT_DBCKEND: Data block sent/received (CRC check passed) interrupt\r
+ * @arg SDIO_IT_CMDACT: Command transfer in progress interrupt\r
+ * @arg SDIO_IT_TXACT: Data transmit in progress interrupt\r
+ * @arg SDIO_IT_RXACT: Data receive in progress interrupt\r
+ * @arg SDIO_IT_TXFIFOHE: Transmit FIFO Half Empty interrupt\r
+ * @arg SDIO_IT_RXFIFOHF: Receive FIFO Half Full interrupt\r
+ * @arg SDIO_IT_TXFIFOF: Transmit FIFO full interrupt\r
+ * @arg SDIO_IT_RXFIFOF: Receive FIFO full interrupt\r
+ * @arg SDIO_IT_TXFIFOE: Transmit FIFO empty interrupt\r
+ * @arg SDIO_IT_RXFIFOE: Receive FIFO empty interrupt\r
+ * @arg SDIO_IT_TXDAVL: Data available in transmit FIFO interrupt\r
+ * @arg SDIO_IT_RXDAVL: Data available in receive FIFO interrupt\r
+ * @arg SDIO_IT_SDIOIT: SD I/O interrupt received interrupt\r
+ * @arg SDIO_IT_CEATAEND: CE-ATA command completion signal received for CMD61 \r
+ * interrupt\r
+ * @param NewState: new state of the specified SDIO interrupts.\r
+ * This parameter can be: ENABLE or DISABLE.\r
+ * @retval : None \r
+ */\r
+void SDIO_ITConfig(uint32_t SDIO_IT, FunctionalState NewState)\r
+{\r
+ /* Check the parameters */\r
+ assert_param(IS_SDIO_IT(SDIO_IT));\r
+ assert_param(IS_FUNCTIONAL_STATE(NewState));\r
+ \r
+ if (NewState != DISABLE)\r
+ {\r
+ /* Enable the SDIO interrupts */\r
+ SDIO->MASK |= SDIO_IT;\r
+ }\r
+ else\r
+ {\r
+ /* Disable the SDIO interrupts */\r
+ SDIO->MASK &= ~SDIO_IT;\r
+ } \r
+}\r
+\r
+/**\r
+ * @brief Enables or disables the SDIO DMA request.\r
+ * @param NewState: new state of the selected SDIO DMA request.\r
+ * This parameter can be: ENABLE or DISABLE.\r
+ * @retval : None\r
+ */\r
+void SDIO_DMACmd(FunctionalState NewState)\r
+{\r
+ /* Check the parameters */\r
+ assert_param(IS_FUNCTIONAL_STATE(NewState));\r
+ \r
+ *(__IO uint32_t *) DCTRL_DMAEN_BB = (uint32_t)NewState;\r
+}\r
+\r
+/**\r
+ * @brief Initializes the SDIO Command according to the specified \r
+ * parameters in the SDIO_CmdInitStruct and send the command.\r
+ * @param SDIO_CmdInitStruct : pointer to a SDIO_CmdInitTypeDef \r
+ * structure that contains the configuration information \r
+ * for the SDIO command.\r
+ * @retval : None\r
+ */\r
+void SDIO_SendCommand(SDIO_CmdInitTypeDef *SDIO_CmdInitStruct)\r
+{\r
+ uint32_t tmpreg = 0;\r
+ \r
+ /* Check the parameters */\r
+ assert_param(IS_SDIO_CMD_INDEX(SDIO_CmdInitStruct->SDIO_CmdIndex));\r
+ assert_param(IS_SDIO_RESPONSE(SDIO_CmdInitStruct->SDIO_Response));\r
+ assert_param(IS_SDIO_WAIT(SDIO_CmdInitStruct->SDIO_Wait));\r
+ assert_param(IS_SDIO_CPSM(SDIO_CmdInitStruct->SDIO_CPSM));\r
+ \r
+/*---------------------------- SDIO ARG Configuration ------------------------*/\r
+ /* Set the SDIO Argument value */\r
+ SDIO->ARG = SDIO_CmdInitStruct->SDIO_Argument;\r
+ \r
+/*---------------------------- SDIO CMD Configuration ------------------------*/ \r
+ /* Get the SDIO CMD value */\r
+ tmpreg = SDIO->CMD;\r
+ /* Clear CMDINDEX, WAITRESP, WAITINT, WAITPEND, CPSMEN bits */\r
+ tmpreg &= CMD_CLEAR_MASK;\r
+ /* Set CMDINDEX bits according to SDIO_CmdIndex value */\r
+ /* Set WAITRESP bits according to SDIO_Response value */\r
+ /* Set WAITINT and WAITPEND bits according to SDIO_Wait value */\r
+ /* Set CPSMEN bits according to SDIO_CPSM value */\r
+ tmpreg |= (uint32_t)SDIO_CmdInitStruct->SDIO_CmdIndex | SDIO_CmdInitStruct->SDIO_Response\r
+ | SDIO_CmdInitStruct->SDIO_Wait | SDIO_CmdInitStruct->SDIO_CPSM;\r
+ \r
+ /* Write to SDIO CMD */\r
+ SDIO->CMD = tmpreg;\r
+}\r
+\r
+/**\r
+ * @brief Fills each SDIO_CmdInitStruct member with its default value.\r
+ * @param SDIO_CmdInitStruct: pointer to an SDIO_CmdInitTypeDef \r
+ * structure which will be initialized.\r
+ * @retval : None\r
+ */\r
+void SDIO_CmdStructInit(SDIO_CmdInitTypeDef* SDIO_CmdInitStruct)\r
+{\r
+ /* SDIO_CmdInitStruct members default value */\r
+ SDIO_CmdInitStruct->SDIO_Argument = 0x00;\r
+ SDIO_CmdInitStruct->SDIO_CmdIndex = 0x00;\r
+ SDIO_CmdInitStruct->SDIO_Response = SDIO_Response_No;\r
+ SDIO_CmdInitStruct->SDIO_Wait = SDIO_Wait_No;\r
+ SDIO_CmdInitStruct->SDIO_CPSM = SDIO_CPSM_Disable;\r
+}\r
+\r
+/**\r
+ * @brief Returns command index of last command for which response \r
+ * received.\r
+ * @param None\r
+ * @retval : Returns the command index of the last command response received.\r
+ */\r
+uint8_t SDIO_GetCommandResponse(void)\r
+{\r
+ return (uint8_t)(SDIO->RESPCMD);\r
+}\r
+\r
+/**\r
+ * @brief Returns response received from the card for the last command.\r
+ * @param SDIO_RESP: Specifies the SDIO response register. \r
+ * This parameter can be one of the following values:\r
+ * @arg SDIO_RESP1: Response Register 1\r
+ * @arg SDIO_RESP2: Response Register 2\r
+ * @arg SDIO_RESP3: Response Register 3\r
+ * @arg SDIO_RESP4: Response Register 4\r
+ * @retval : The Corresponding response register value.\r
+ */\r
+uint32_t SDIO_GetResponse(uint32_t SDIO_RESP)\r
+{\r
+ /* Check the parameters */\r
+ assert_param(IS_SDIO_RESP(SDIO_RESP));\r
+ \r
+ return (*(__IO uint32_t *)(SDIO_RESP_ADDR + SDIO_RESP)); \r
+}\r
+\r
+/**\r
+ * @brief Initializes the SDIO data path according to the specified \r
+ * parameters in the SDIO_DataInitStruct.\r
+ * @param SDIO_DataInitStruct : pointer to a SDIO_DataInitTypeDef \r
+ * structure that contains the configuration information \r
+ * for the SDIO command.\r
+ * @retval : None\r
+ */\r
+void SDIO_DataConfig(SDIO_DataInitTypeDef* SDIO_DataInitStruct)\r
+{\r
+ uint32_t tmpreg = 0;\r
+ \r
+ /* Check the parameters */\r
+ assert_param(IS_SDIO_DATA_LENGTH(SDIO_DataInitStruct->SDIO_DataLength));\r
+ assert_param(IS_SDIO_BLOCK_SIZE(SDIO_DataInitStruct->SDIO_DataBlockSize));\r
+ assert_param(IS_SDIO_TRANSFER_DIR(SDIO_DataInitStruct->SDIO_TransferDir));\r
+ assert_param(IS_SDIO_TRANSFER_MODE(SDIO_DataInitStruct->SDIO_TransferMode));\r
+ assert_param(IS_SDIO_DPSM(SDIO_DataInitStruct->SDIO_DPSM));\r
+\r
+/*---------------------------- SDIO DTIMER Configuration ---------------------*/\r
+ /* Set the SDIO Data TimeOut value */\r
+ SDIO->DTIMER = SDIO_DataInitStruct->SDIO_DataTimeOut;\r
+\r
+/*---------------------------- SDIO DLEN Configuration -----------------------*/\r
+ /* Set the SDIO DataLength value */\r
+ SDIO->DLEN = SDIO_DataInitStruct->SDIO_DataLength;\r
+\r
+/*---------------------------- SDIO DCTRL Configuration ----------------------*/ \r
+ /* Get the SDIO DCTRL value */\r
+ tmpreg = SDIO->DCTRL;\r
+ /* Clear DEN, DTMODE, DTDIR and DBCKSIZE bits */\r
+ tmpreg &= DCTRL_CLEAR_MASK;\r
+ /* Set DEN bit according to SDIO_DPSM value */\r
+ /* Set DTMODE bit according to SDIO_TransferMode value */\r
+ /* Set DTDIR bit according to SDIO_TransferDir value */\r
+ /* Set DBCKSIZE bits according to SDIO_DataBlockSize value */\r
+ tmpreg |= (uint32_t)SDIO_DataInitStruct->SDIO_DataBlockSize | SDIO_DataInitStruct->SDIO_TransferDir\r
+ | SDIO_DataInitStruct->SDIO_TransferMode | SDIO_DataInitStruct->SDIO_DPSM;\r
+\r
+ /* Write to SDIO DCTRL */\r
+ SDIO->DCTRL = tmpreg;\r
+}\r
+\r
+/**\r
+ * @brief Fills each SDIO_DataInitStruct member with its default value.\r
+ * @param SDIO_DataInitStruct: pointer to an SDIO_DataInitTypeDef \r
+ * structure which will be initialized.\r
+ * @retval : None\r
+ */\r
+void SDIO_DataStructInit(SDIO_DataInitTypeDef* SDIO_DataInitStruct)\r
+{\r
+ /* SDIO_DataInitStruct members default value */\r
+ SDIO_DataInitStruct->SDIO_DataTimeOut = 0xFFFFFFFF;\r
+ SDIO_DataInitStruct->SDIO_DataLength = 0x00;\r
+ SDIO_DataInitStruct->SDIO_DataBlockSize = SDIO_DataBlockSize_1b;\r
+ SDIO_DataInitStruct->SDIO_TransferDir = SDIO_TransferDir_ToCard;\r
+ SDIO_DataInitStruct->SDIO_TransferMode = SDIO_TransferMode_Block; \r
+ SDIO_DataInitStruct->SDIO_DPSM = SDIO_DPSM_Disable;\r
+}\r
+\r
+/**\r
+ * @brief Returns number of remaining data bytes to be transferred.\r
+ * @param None\r
+ * @retval : Number of remaining data bytes to be transferred\r
+ */\r
+uint32_t SDIO_GetDataCounter(void)\r
+{ \r
+ return SDIO->DCOUNT;\r
+}\r
+\r
+/**\r
+ * @brief Read one data word from Rx FIFO.\r
+ * @param None\r
+ * @retval : Data received\r
+ */\r
+uint32_t SDIO_ReadData(void)\r
+{ \r
+ return SDIO->FIFO;\r
+}\r
+\r
+/**\r
+ * @brief Write one data word to Tx FIFO.\r
+ * @param Data: 32-bit data word to write.\r
+ * @retval : None\r
+ */\r
+void SDIO_WriteData(uint32_t Data)\r
+{ \r
+ SDIO->FIFO = Data;\r
+}\r
+\r
+/**\r
+ * @brief Returns the number of words left to be written to or read\r
+ * from FIFO. \r
+ * @param None\r
+ * @retval : Remaining number of words.\r
+ */\r
+uint32_t SDIO_GetFIFOCount(void)\r
+{ \r
+ return SDIO->FIFOCNT;\r
+}\r
+\r
+/**\r
+ * @brief Starts the SD I/O Read Wait operation. \r
+ * @param NewState: new state of the Start SDIO Read Wait operation. \r
+ * This parameter can be: ENABLE or DISABLE.\r
+ * @retval : None\r
+ */\r
+void SDIO_StartSDIOReadWait(FunctionalState NewState)\r
+{ \r
+ /* Check the parameters */\r
+ assert_param(IS_FUNCTIONAL_STATE(NewState));\r
+ \r
+ *(__IO uint32_t *) DCTRL_RWSTART_BB = (uint32_t) NewState;\r
+}\r
+\r
+/**\r
+ * @brief Stops the SD I/O Read Wait operation. \r
+ * @param NewState: new state of the Stop SDIO Read Wait operation. \r
+ * This parameter can be: ENABLE or DISABLE.\r
+ * @retval : None\r
+ */\r
+void SDIO_StopSDIOReadWait(FunctionalState NewState)\r
+{ \r
+ /* Check the parameters */\r
+ assert_param(IS_FUNCTIONAL_STATE(NewState));\r
+ \r
+ *(__IO uint32_t *) DCTRL_RWSTOP_BB = (uint32_t) NewState;\r
+}\r
+\r
+/**\r
+ * @brief Sets one of the two options of inserting read wait interval.\r
+ * @param SDIO_ReadWaitMode: SD I/O Read Wait operation mode.\r
+ * This parametre can be:\r
+ * @arg SDIO_ReadWaitMode_CLK: Read Wait control by stopping SDIOCLK\r
+ * @arg SDIO_ReadWaitMode_DATA2: Read Wait control using SDIO_DATA2\r
+ * @retval : None\r
+ */\r
+void SDIO_SetSDIOReadWaitMode(uint32_t SDIO_ReadWaitMode)\r
+{\r
+ /* Check the parameters */\r
+ assert_param(IS_SDIO_READWAIT_MODE(SDIO_ReadWaitMode));\r
+ \r
+ *(__IO uint32_t *) DCTRL_RWMOD_BB = SDIO_ReadWaitMode;\r
+}\r
+\r
+/**\r
+ * @brief Enables or disables the SD I/O Mode Operation.\r
+ * @param NewState: new state of SDIO specific operation. \r
+ * This parameter can be: ENABLE or DISABLE.\r
+ * @retval : None\r
+ */\r
+void SDIO_SetSDIOOperation(FunctionalState NewState)\r
+{ \r
+ /* Check the parameters */\r
+ assert_param(IS_FUNCTIONAL_STATE(NewState));\r
+ \r
+ *(__IO uint32_t *) DCTRL_SDIOEN_BB = (uint32_t)NewState;\r
+}\r
+\r
+/**\r
+ * @brief Enables or disables the SD I/O Mode suspend command sending.\r
+ * @param NewState: new state of the SD I/O Mode suspend command.\r
+ * This parameter can be: ENABLE or DISABLE.\r
+ * @retval : None\r
+ */\r
+void SDIO_SendSDIOSuspendCmd(FunctionalState NewState)\r
+{ \r
+ /* Check the parameters */\r
+ assert_param(IS_FUNCTIONAL_STATE(NewState));\r
+ \r
+ *(__IO uint32_t *) CMD_SDIOSUSPEND_BB = (uint32_t)NewState;\r
+}\r
+\r
+/**\r
+ * @brief Enables or disables the command completion signal.\r
+ * @param NewState: new state of command completion signal. \r
+ * This parameter can be: ENABLE or DISABLE.\r
+ * @retval : None\r
+ */\r
+void SDIO_CommandCompletionCmd(FunctionalState NewState)\r
+{ \r
+ /* Check the parameters */\r
+ assert_param(IS_FUNCTIONAL_STATE(NewState));\r
+ \r
+ *(__IO uint32_t *) CMD_ENCMDCOMPL_BB = (uint32_t)NewState;\r
+}\r
+\r
+/**\r
+ * @brief Enables or disables the CE-ATA interrupt.\r
+ * @param NewState: new state of CE-ATA interrupt. \r
+ * This parameter can be: ENABLE or DISABLE.\r
+ * @retval : None\r
+ */\r
+void SDIO_CEATAITCmd(FunctionalState NewState)\r
+{ \r
+ /* Check the parameters */\r
+ assert_param(IS_FUNCTIONAL_STATE(NewState));\r
+ \r
+ *(__IO uint32_t *) CMD_NIEN_BB = (uint32_t)((~((uint32_t)NewState)) & ((uint32_t)0x1));\r
+}\r
+\r
+/**\r
+ * @brief Sends CE-ATA command (CMD61).\r
+ * @param NewState: new state of CE-ATA command. \r
+ * This parameter can be: ENABLE or DISABLE.\r
+ * @retval : None\r
+ */\r
+void SDIO_SendCEATACmd(FunctionalState NewState)\r
+{ \r
+ /* Check the parameters */\r
+ assert_param(IS_FUNCTIONAL_STATE(NewState));\r
+ \r
+ *(__IO uint32_t *) CMD_ATACMD_BB = (uint32_t)NewState;\r
+}\r
+\r
+/**\r
+ * @brief Checks whether the specified SDIO flag is set or not.\r
+ * @param SDIO_FLAG: specifies the flag to check. \r
+ * This parameter can be one of the following values:\r
+ * @arg SDIO_FLAG_CCRCFAIL: Command response received (CRC check failed)\r
+ * @arg SDIO_FLAG_DCRCFAIL: Data block sent/received (CRC check failed)\r
+ * @arg SDIO_FLAG_CTIMEOUT: Command response timeout\r
+ * @arg SDIO_FLAG_DTIMEOUT: Data timeout\r
+ * @arg SDIO_FLAG_TXUNDERR: Transmit FIFO underrun error\r
+ * @arg SDIO_FLAG_RXOVERR: Received FIFO overrun error\r
+ * @arg SDIO_FLAG_CMDREND: Command response received (CRC check passed)\r
+ * @arg SDIO_FLAG_CMDSENT: Command sent (no response required)\r
+ * @arg SDIO_FLAG_DATAEND: Data end (data counter, SDIDCOUNT, is zero)\r
+ * @arg SDIO_FLAG_STBITERR: Start bit not detected on all data signals in wide \r
+ * bus mode.\r
+ * @arg SDIO_FLAG_DBCKEND: Data block sent/received (CRC check passed)\r
+ * @arg SDIO_FLAG_CMDACT: Command transfer in progress\r
+ * @arg SDIO_FLAG_TXACT: Data transmit in progress\r
+ * @arg SDIO_FLAG_RXACT: Data receive in progress\r
+ * @arg SDIO_FLAG_TXFIFOHE: Transmit FIFO Half Empty\r
+ * @arg SDIO_FLAG_RXFIFOHF: Receive FIFO Half Full\r
+ * @arg SDIO_FLAG_TXFIFOF: Transmit FIFO full\r
+ * @arg SDIO_FLAG_RXFIFOF: Receive FIFO full\r
+ * @arg SDIO_FLAG_TXFIFOE: Transmit FIFO empty\r
+ * @arg SDIO_FLAG_RXFIFOE: Receive FIFO empty\r
+ * @arg SDIO_FLAG_TXDAVL: Data available in transmit FIFO\r
+ * @arg SDIO_FLAG_RXDAVL: Data available in receive FIFO\r
+ * @arg SDIO_FLAG_SDIOIT: SD I/O interrupt received\r
+ * @arg SDIO_FLAG_CEATAEND: CE-ATA command completion signal received for CMD61\r
+ * @retval : The new state of SDIO_FLAG (SET or RESET).\r
+ */\r
+FlagStatus SDIO_GetFlagStatus(uint32_t SDIO_FLAG)\r
+{ \r
+ FlagStatus bitstatus = RESET;\r
+ \r
+ /* Check the parameters */\r
+ assert_param(IS_SDIO_FLAG(SDIO_FLAG));\r
+ \r
+ if ((SDIO->STA & SDIO_FLAG) != (uint32_t)RESET)\r
+ {\r
+ bitstatus = SET;\r
+ }\r
+ else\r
+ {\r
+ bitstatus = RESET;\r
+ }\r
+ return bitstatus;\r
+}\r
+\r
+/**\r
+ * @brief Clears the SDIO's pending flags.\r
+ * @param SDIO_FLAG: specifies the flag to clear. \r
+ * This parameter can be one or a combination of the following values:\r
+ * @arg SDIO_FLAG_CCRCFAIL: Command response received (CRC check failed)\r
+ * @arg SDIO_FLAG_DCRCFAIL: Data block sent/received (CRC check failed)\r
+ * @arg SDIO_FLAG_CTIMEOUT: Command response timeout\r
+ * @arg SDIO_FLAG_DTIMEOUT: Data timeout\r
+ * @arg SDIO_FLAG_TXUNDERR: Transmit FIFO underrun error\r
+ * @arg SDIO_FLAG_RXOVERR: Received FIFO overrun error\r
+ * @arg SDIO_FLAG_CMDREND: Command response received (CRC check passed)\r
+ * @arg SDIO_FLAG_CMDSENT: Command sent (no response required)\r
+ * @arg SDIO_FLAG_DATAEND: Data end (data counter, SDIDCOUNT, is zero)\r
+ * @arg SDIO_FLAG_STBITERR: Start bit not detected on all data signals in wide \r
+ * bus mode\r
+ * @arg SDIO_FLAG_DBCKEND: Data block sent/received (CRC check passed)\r
+ * @arg SDIO_FLAG_SDIOIT: SD I/O interrupt received\r
+ * @arg SDIO_FLAG_CEATAEND: CE-ATA command completion signal received for CMD61\r
+ * @retval : None\r
+ */\r
+void SDIO_ClearFlag(uint32_t SDIO_FLAG)\r
+{ \r
+ /* Check the parameters */\r
+ assert_param(IS_SDIO_CLEAR_FLAG(SDIO_FLAG));\r
+ \r
+ SDIO->ICR = SDIO_FLAG;\r
+}\r
+\r
+/**\r
+ * @brief Checks whether the specified SDIO interrupt has occurred or not.\r
+ * @param SDIO_IT: specifies the SDIO interrupt source to check. \r
+ * This parameter can be one of the following values:\r
+ * @arg SDIO_IT_CCRCFAIL: Command response received (CRC check failed) interrupt\r
+ * @arg SDIO_IT_DCRCFAIL: Data block sent/received (CRC check failed) interrupt\r
+ * @arg SDIO_IT_CTIMEOUT: Command response timeout interrupt\r
+ * @arg SDIO_IT_DTIMEOUT: Data timeout interrupt\r
+ * @arg SDIO_IT_TXUNDERR: Transmit FIFO underrun error interrupt\r
+ * @arg SDIO_IT_RXOVERR: Received FIFO overrun error interrupt\r
+ * @arg SDIO_IT_CMDREND: Command response received (CRC check passed) interrupt\r
+ * @arg SDIO_IT_CMDSENT: Command sent (no response required) interrupt\r
+ * @arg SDIO_IT_DATAEND: Data end (data counter, SDIDCOUNT, is zero) interrupt\r
+ * @arg SDIO_IT_STBITERR: Start bit not detected on all data signals in wide \r
+ * bus mode interrupt\r
+ * @arg SDIO_IT_DBCKEND: Data block sent/received (CRC check passed) interrupt\r
+ * @arg SDIO_IT_CMDACT: Command transfer in progress interrupt\r
+ * @arg SDIO_IT_TXACT: Data transmit in progress interrupt\r
+ * @arg SDIO_IT_RXACT: Data receive in progress interrupt\r
+ * @arg SDIO_IT_TXFIFOHE: Transmit FIFO Half Empty interrupt\r
+ * @arg SDIO_IT_RXFIFOHF: Receive FIFO Half Full interrupt\r
+ * @arg SDIO_IT_TXFIFOF: Transmit FIFO full interrupt\r
+ * @arg SDIO_IT_RXFIFOF: Receive FIFO full interrupt\r
+ * @arg SDIO_IT_TXFIFOE: Transmit FIFO empty interrupt\r
+ * @arg SDIO_IT_RXFIFOE: Receive FIFO empty interrupt\r
+ * @arg SDIO_IT_TXDAVL: Data available in transmit FIFO interrupt\r
+ * @arg SDIO_IT_RXDAVL: Data available in receive FIFO interrupt\r
+ * @arg SDIO_IT_SDIOIT: SD I/O interrupt received interrupt\r
+ * @arg SDIO_IT_CEATAEND: CE-ATA command completion signal received for CMD61 \r
+ * interrupt\r
+ * @retval : The new state of SDIO_IT (SET or RESET).\r
+ */\r
+ITStatus SDIO_GetITStatus(uint32_t SDIO_IT)\r
+{ \r
+ ITStatus bitstatus = RESET;\r
+ \r
+ /* Check the parameters */\r
+ assert_param(IS_SDIO_GET_IT(SDIO_IT));\r
+ if ((SDIO->STA & SDIO_IT) != (uint32_t)RESET) \r
+ {\r
+ bitstatus = SET;\r
+ }\r
+ else\r
+ {\r
+ bitstatus = RESET;\r
+ }\r
+ return bitstatus;\r
+}\r
+\r
+/**\r
+ * @brief Clears the SDIO\92s interrupt pending bits.\r
+ * @param SDIO_IT: specifies the interrupt pending bit to clear. \r
+ * This parameter can be one or a combination of the following values:\r
+ * @arg SDIO_IT_CCRCFAIL: Command response received (CRC check failed) interrupt\r
+ * @arg SDIO_IT_DCRCFAIL: Data block sent/received (CRC check failed) interrupt\r
+ * @arg SDIO_IT_CTIMEOUT: Command response timeout interrupt\r
+ * @arg SDIO_IT_DTIMEOUT: Data timeout interrupt\r
+ * @arg SDIO_IT_TXUNDERR: Transmit FIFO underrun error interrupt\r
+ * @arg SDIO_IT_RXOVERR: Received FIFO overrun error interrupt\r
+ * @arg SDIO_IT_CMDREND: Command response received (CRC check passed) interrupt\r
+ * @arg SDIO_IT_CMDSENT: Command sent (no response required) interrupt\r
+ * @arg SDIO_IT_DATAEND: Data end (data counter, SDIDCOUNT, is zero) interrupt\r
+ * @arg SDIO_IT_STBITERR: Start bit not detected on all data signals in wide \r
+ * bus mode interrupt\r
+ * @arg SDIO_IT_SDIOIT: SD I/O interrupt received interrupt\r
+ * @arg SDIO_IT_CEATAEND: CE-ATA command completion signal received for CMD61\r
+ * @retval : None\r
+ */\r
+void SDIO_ClearITPendingBit(uint32_t SDIO_IT)\r
+{ \r
+ /* Check the parameters */\r
+ assert_param(IS_SDIO_CLEAR_IT(SDIO_IT));\r
+ \r
+ SDIO->ICR = SDIO_IT;\r
+}\r
+\r
+/**\r
+ * @}\r
+ */\r
+\r
+/**\r
+ * @}\r
+ */\r
+\r
+/**\r
+ * @}\r
+ */\r
+\r
+/******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/\r
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