2 ******************************************************************************
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3 * @file stm32f4xx_sdio.h
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4 * @author MCD Application Team
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6 * @date 30-September-2011
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7 * @brief This file contains all the functions prototypes for the SDIO firmware
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9 ******************************************************************************
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12 * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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13 * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
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14 * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
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15 * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
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16 * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
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17 * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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19 * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2>
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20 ******************************************************************************
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23 /* Define to prevent recursive inclusion -------------------------------------*/
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24 #ifndef __STM32F4xx_SDIO_H
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25 #define __STM32F4xx_SDIO_H
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31 /* Includes ------------------------------------------------------------------*/
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32 #include "stm32f4xx.h"
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34 /** @addtogroup STM32F4xx_StdPeriph_Driver
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38 /** @addtogroup SDIO
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42 /* Exported types ------------------------------------------------------------*/
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46 uint32_t SDIO_ClockEdge; /*!< Specifies the clock transition on which the bit capture is made.
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47 This parameter can be a value of @ref SDIO_Clock_Edge */
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49 uint32_t SDIO_ClockBypass; /*!< Specifies whether the SDIO Clock divider bypass is
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50 enabled or disabled.
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51 This parameter can be a value of @ref SDIO_Clock_Bypass */
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53 uint32_t SDIO_ClockPowerSave; /*!< Specifies whether SDIO Clock output is enabled or
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54 disabled when the bus is idle.
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55 This parameter can be a value of @ref SDIO_Clock_Power_Save */
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57 uint32_t SDIO_BusWide; /*!< Specifies the SDIO bus width.
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58 This parameter can be a value of @ref SDIO_Bus_Wide */
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60 uint32_t SDIO_HardwareFlowControl; /*!< Specifies whether the SDIO hardware flow control is enabled or disabled.
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61 This parameter can be a value of @ref SDIO_Hardware_Flow_Control */
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63 uint8_t SDIO_ClockDiv; /*!< Specifies the clock frequency of the SDIO controller.
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64 This parameter can be a value between 0x00 and 0xFF. */
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70 uint32_t SDIO_Argument; /*!< Specifies the SDIO command argument which is sent
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71 to a card as part of a command message. If a command
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72 contains an argument, it must be loaded into this register
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73 before writing the command to the command register */
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75 uint32_t SDIO_CmdIndex; /*!< Specifies the SDIO command index. It must be lower than 0x40. */
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77 uint32_t SDIO_Response; /*!< Specifies the SDIO response type.
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78 This parameter can be a value of @ref SDIO_Response_Type */
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80 uint32_t SDIO_Wait; /*!< Specifies whether SDIO wait-for-interrupt request is enabled or disabled.
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81 This parameter can be a value of @ref SDIO_Wait_Interrupt_State */
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83 uint32_t SDIO_CPSM; /*!< Specifies whether SDIO Command path state machine (CPSM)
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84 is enabled or disabled.
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85 This parameter can be a value of @ref SDIO_CPSM_State */
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86 } SDIO_CmdInitTypeDef;
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90 uint32_t SDIO_DataTimeOut; /*!< Specifies the data timeout period in card bus clock periods. */
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92 uint32_t SDIO_DataLength; /*!< Specifies the number of data bytes to be transferred. */
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94 uint32_t SDIO_DataBlockSize; /*!< Specifies the data block size for block transfer.
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95 This parameter can be a value of @ref SDIO_Data_Block_Size */
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97 uint32_t SDIO_TransferDir; /*!< Specifies the data transfer direction, whether the transfer
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99 This parameter can be a value of @ref SDIO_Transfer_Direction */
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101 uint32_t SDIO_TransferMode; /*!< Specifies whether data transfer is in stream or block mode.
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102 This parameter can be a value of @ref SDIO_Transfer_Type */
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104 uint32_t SDIO_DPSM; /*!< Specifies whether SDIO Data path state machine (DPSM)
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105 is enabled or disabled.
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106 This parameter can be a value of @ref SDIO_DPSM_State */
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107 } SDIO_DataInitTypeDef;
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110 /* Exported constants --------------------------------------------------------*/
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112 /** @defgroup SDIO_Exported_Constants
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116 /** @defgroup SDIO_Clock_Edge
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120 #define SDIO_ClockEdge_Rising ((uint32_t)0x00000000)
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121 #define SDIO_ClockEdge_Falling ((uint32_t)0x00002000)
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122 #define IS_SDIO_CLOCK_EDGE(EDGE) (((EDGE) == SDIO_ClockEdge_Rising) || \
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123 ((EDGE) == SDIO_ClockEdge_Falling))
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128 /** @defgroup SDIO_Clock_Bypass
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132 #define SDIO_ClockBypass_Disable ((uint32_t)0x00000000)
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133 #define SDIO_ClockBypass_Enable ((uint32_t)0x00000400)
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134 #define IS_SDIO_CLOCK_BYPASS(BYPASS) (((BYPASS) == SDIO_ClockBypass_Disable) || \
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135 ((BYPASS) == SDIO_ClockBypass_Enable))
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140 /** @defgroup SDIO_Clock_Power_Save
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144 #define SDIO_ClockPowerSave_Disable ((uint32_t)0x00000000)
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145 #define SDIO_ClockPowerSave_Enable ((uint32_t)0x00000200)
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146 #define IS_SDIO_CLOCK_POWER_SAVE(SAVE) (((SAVE) == SDIO_ClockPowerSave_Disable) || \
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147 ((SAVE) == SDIO_ClockPowerSave_Enable))
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152 /** @defgroup SDIO_Bus_Wide
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156 #define SDIO_BusWide_1b ((uint32_t)0x00000000)
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157 #define SDIO_BusWide_4b ((uint32_t)0x00000800)
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158 #define SDIO_BusWide_8b ((uint32_t)0x00001000)
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159 #define IS_SDIO_BUS_WIDE(WIDE) (((WIDE) == SDIO_BusWide_1b) || ((WIDE) == SDIO_BusWide_4b) || \
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160 ((WIDE) == SDIO_BusWide_8b))
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166 /** @defgroup SDIO_Hardware_Flow_Control
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170 #define SDIO_HardwareFlowControl_Disable ((uint32_t)0x00000000)
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171 #define SDIO_HardwareFlowControl_Enable ((uint32_t)0x00004000)
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172 #define IS_SDIO_HARDWARE_FLOW_CONTROL(CONTROL) (((CONTROL) == SDIO_HardwareFlowControl_Disable) || \
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173 ((CONTROL) == SDIO_HardwareFlowControl_Enable))
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178 /** @defgroup SDIO_Power_State
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182 #define SDIO_PowerState_OFF ((uint32_t)0x00000000)
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183 #define SDIO_PowerState_ON ((uint32_t)0x00000003)
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184 #define IS_SDIO_POWER_STATE(STATE) (((STATE) == SDIO_PowerState_OFF) || ((STATE) == SDIO_PowerState_ON))
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190 /** @defgroup SDIO_Interrupt_sources
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194 #define SDIO_IT_CCRCFAIL ((uint32_t)0x00000001)
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195 #define SDIO_IT_DCRCFAIL ((uint32_t)0x00000002)
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196 #define SDIO_IT_CTIMEOUT ((uint32_t)0x00000004)
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197 #define SDIO_IT_DTIMEOUT ((uint32_t)0x00000008)
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198 #define SDIO_IT_TXUNDERR ((uint32_t)0x00000010)
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199 #define SDIO_IT_RXOVERR ((uint32_t)0x00000020)
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200 #define SDIO_IT_CMDREND ((uint32_t)0x00000040)
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201 #define SDIO_IT_CMDSENT ((uint32_t)0x00000080)
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202 #define SDIO_IT_DATAEND ((uint32_t)0x00000100)
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203 #define SDIO_IT_STBITERR ((uint32_t)0x00000200)
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204 #define SDIO_IT_DBCKEND ((uint32_t)0x00000400)
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205 #define SDIO_IT_CMDACT ((uint32_t)0x00000800)
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206 #define SDIO_IT_TXACT ((uint32_t)0x00001000)
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207 #define SDIO_IT_RXACT ((uint32_t)0x00002000)
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208 #define SDIO_IT_TXFIFOHE ((uint32_t)0x00004000)
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209 #define SDIO_IT_RXFIFOHF ((uint32_t)0x00008000)
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210 #define SDIO_IT_TXFIFOF ((uint32_t)0x00010000)
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211 #define SDIO_IT_RXFIFOF ((uint32_t)0x00020000)
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212 #define SDIO_IT_TXFIFOE ((uint32_t)0x00040000)
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213 #define SDIO_IT_RXFIFOE ((uint32_t)0x00080000)
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214 #define SDIO_IT_TXDAVL ((uint32_t)0x00100000)
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215 #define SDIO_IT_RXDAVL ((uint32_t)0x00200000)
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216 #define SDIO_IT_SDIOIT ((uint32_t)0x00400000)
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217 #define SDIO_IT_CEATAEND ((uint32_t)0x00800000)
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218 #define IS_SDIO_IT(IT) ((((IT) & (uint32_t)0xFF000000) == 0x00) && ((IT) != (uint32_t)0x00))
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223 /** @defgroup SDIO_Command_Index
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227 #define IS_SDIO_CMD_INDEX(INDEX) ((INDEX) < 0x40)
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232 /** @defgroup SDIO_Response_Type
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236 #define SDIO_Response_No ((uint32_t)0x00000000)
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237 #define SDIO_Response_Short ((uint32_t)0x00000040)
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238 #define SDIO_Response_Long ((uint32_t)0x000000C0)
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239 #define IS_SDIO_RESPONSE(RESPONSE) (((RESPONSE) == SDIO_Response_No) || \
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240 ((RESPONSE) == SDIO_Response_Short) || \
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241 ((RESPONSE) == SDIO_Response_Long))
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246 /** @defgroup SDIO_Wait_Interrupt_State
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250 #define SDIO_Wait_No ((uint32_t)0x00000000) /*!< SDIO No Wait, TimeOut is enabled */
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251 #define SDIO_Wait_IT ((uint32_t)0x00000100) /*!< SDIO Wait Interrupt Request */
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252 #define SDIO_Wait_Pend ((uint32_t)0x00000200) /*!< SDIO Wait End of transfer */
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253 #define IS_SDIO_WAIT(WAIT) (((WAIT) == SDIO_Wait_No) || ((WAIT) == SDIO_Wait_IT) || \
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254 ((WAIT) == SDIO_Wait_Pend))
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259 /** @defgroup SDIO_CPSM_State
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263 #define SDIO_CPSM_Disable ((uint32_t)0x00000000)
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264 #define SDIO_CPSM_Enable ((uint32_t)0x00000400)
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265 #define IS_SDIO_CPSM(CPSM) (((CPSM) == SDIO_CPSM_Enable) || ((CPSM) == SDIO_CPSM_Disable))
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270 /** @defgroup SDIO_Response_Registers
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274 #define SDIO_RESP1 ((uint32_t)0x00000000)
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275 #define SDIO_RESP2 ((uint32_t)0x00000004)
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276 #define SDIO_RESP3 ((uint32_t)0x00000008)
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277 #define SDIO_RESP4 ((uint32_t)0x0000000C)
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278 #define IS_SDIO_RESP(RESP) (((RESP) == SDIO_RESP1) || ((RESP) == SDIO_RESP2) || \
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279 ((RESP) == SDIO_RESP3) || ((RESP) == SDIO_RESP4))
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284 /** @defgroup SDIO_Data_Length
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288 #define IS_SDIO_DATA_LENGTH(LENGTH) ((LENGTH) <= 0x01FFFFFF)
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293 /** @defgroup SDIO_Data_Block_Size
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297 #define SDIO_DataBlockSize_1b ((uint32_t)0x00000000)
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298 #define SDIO_DataBlockSize_2b ((uint32_t)0x00000010)
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299 #define SDIO_DataBlockSize_4b ((uint32_t)0x00000020)
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300 #define SDIO_DataBlockSize_8b ((uint32_t)0x00000030)
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301 #define SDIO_DataBlockSize_16b ((uint32_t)0x00000040)
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302 #define SDIO_DataBlockSize_32b ((uint32_t)0x00000050)
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303 #define SDIO_DataBlockSize_64b ((uint32_t)0x00000060)
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304 #define SDIO_DataBlockSize_128b ((uint32_t)0x00000070)
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305 #define SDIO_DataBlockSize_256b ((uint32_t)0x00000080)
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306 #define SDIO_DataBlockSize_512b ((uint32_t)0x00000090)
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307 #define SDIO_DataBlockSize_1024b ((uint32_t)0x000000A0)
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308 #define SDIO_DataBlockSize_2048b ((uint32_t)0x000000B0)
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309 #define SDIO_DataBlockSize_4096b ((uint32_t)0x000000C0)
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310 #define SDIO_DataBlockSize_8192b ((uint32_t)0x000000D0)
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311 #define SDIO_DataBlockSize_16384b ((uint32_t)0x000000E0)
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312 #define IS_SDIO_BLOCK_SIZE(SIZE) (((SIZE) == SDIO_DataBlockSize_1b) || \
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313 ((SIZE) == SDIO_DataBlockSize_2b) || \
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314 ((SIZE) == SDIO_DataBlockSize_4b) || \
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315 ((SIZE) == SDIO_DataBlockSize_8b) || \
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316 ((SIZE) == SDIO_DataBlockSize_16b) || \
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317 ((SIZE) == SDIO_DataBlockSize_32b) || \
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318 ((SIZE) == SDIO_DataBlockSize_64b) || \
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319 ((SIZE) == SDIO_DataBlockSize_128b) || \
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320 ((SIZE) == SDIO_DataBlockSize_256b) || \
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321 ((SIZE) == SDIO_DataBlockSize_512b) || \
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322 ((SIZE) == SDIO_DataBlockSize_1024b) || \
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323 ((SIZE) == SDIO_DataBlockSize_2048b) || \
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324 ((SIZE) == SDIO_DataBlockSize_4096b) || \
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325 ((SIZE) == SDIO_DataBlockSize_8192b) || \
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326 ((SIZE) == SDIO_DataBlockSize_16384b))
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331 /** @defgroup SDIO_Transfer_Direction
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335 #define SDIO_TransferDir_ToCard ((uint32_t)0x00000000)
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336 #define SDIO_TransferDir_ToSDIO ((uint32_t)0x00000002)
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337 #define IS_SDIO_TRANSFER_DIR(DIR) (((DIR) == SDIO_TransferDir_ToCard) || \
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338 ((DIR) == SDIO_TransferDir_ToSDIO))
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343 /** @defgroup SDIO_Transfer_Type
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347 #define SDIO_TransferMode_Block ((uint32_t)0x00000000)
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348 #define SDIO_TransferMode_Stream ((uint32_t)0x00000004)
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349 #define IS_SDIO_TRANSFER_MODE(MODE) (((MODE) == SDIO_TransferMode_Stream) || \
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350 ((MODE) == SDIO_TransferMode_Block))
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355 /** @defgroup SDIO_DPSM_State
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359 #define SDIO_DPSM_Disable ((uint32_t)0x00000000)
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360 #define SDIO_DPSM_Enable ((uint32_t)0x00000001)
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361 #define IS_SDIO_DPSM(DPSM) (((DPSM) == SDIO_DPSM_Enable) || ((DPSM) == SDIO_DPSM_Disable))
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366 /** @defgroup SDIO_Flags
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370 #define SDIO_FLAG_CCRCFAIL ((uint32_t)0x00000001)
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371 #define SDIO_FLAG_DCRCFAIL ((uint32_t)0x00000002)
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372 #define SDIO_FLAG_CTIMEOUT ((uint32_t)0x00000004)
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373 #define SDIO_FLAG_DTIMEOUT ((uint32_t)0x00000008)
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374 #define SDIO_FLAG_TXUNDERR ((uint32_t)0x00000010)
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375 #define SDIO_FLAG_RXOVERR ((uint32_t)0x00000020)
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376 #define SDIO_FLAG_CMDREND ((uint32_t)0x00000040)
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377 #define SDIO_FLAG_CMDSENT ((uint32_t)0x00000080)
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378 #define SDIO_FLAG_DATAEND ((uint32_t)0x00000100)
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379 #define SDIO_FLAG_STBITERR ((uint32_t)0x00000200)
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380 #define SDIO_FLAG_DBCKEND ((uint32_t)0x00000400)
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381 #define SDIO_FLAG_CMDACT ((uint32_t)0x00000800)
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382 #define SDIO_FLAG_TXACT ((uint32_t)0x00001000)
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383 #define SDIO_FLAG_RXACT ((uint32_t)0x00002000)
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384 #define SDIO_FLAG_TXFIFOHE ((uint32_t)0x00004000)
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385 #define SDIO_FLAG_RXFIFOHF ((uint32_t)0x00008000)
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386 #define SDIO_FLAG_TXFIFOF ((uint32_t)0x00010000)
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387 #define SDIO_FLAG_RXFIFOF ((uint32_t)0x00020000)
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388 #define SDIO_FLAG_TXFIFOE ((uint32_t)0x00040000)
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389 #define SDIO_FLAG_RXFIFOE ((uint32_t)0x00080000)
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390 #define SDIO_FLAG_TXDAVL ((uint32_t)0x00100000)
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391 #define SDIO_FLAG_RXDAVL ((uint32_t)0x00200000)
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392 #define SDIO_FLAG_SDIOIT ((uint32_t)0x00400000)
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393 #define SDIO_FLAG_CEATAEND ((uint32_t)0x00800000)
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394 #define IS_SDIO_FLAG(FLAG) (((FLAG) == SDIO_FLAG_CCRCFAIL) || \
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395 ((FLAG) == SDIO_FLAG_DCRCFAIL) || \
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396 ((FLAG) == SDIO_FLAG_CTIMEOUT) || \
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397 ((FLAG) == SDIO_FLAG_DTIMEOUT) || \
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398 ((FLAG) == SDIO_FLAG_TXUNDERR) || \
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399 ((FLAG) == SDIO_FLAG_RXOVERR) || \
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400 ((FLAG) == SDIO_FLAG_CMDREND) || \
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401 ((FLAG) == SDIO_FLAG_CMDSENT) || \
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402 ((FLAG) == SDIO_FLAG_DATAEND) || \
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403 ((FLAG) == SDIO_FLAG_STBITERR) || \
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404 ((FLAG) == SDIO_FLAG_DBCKEND) || \
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405 ((FLAG) == SDIO_FLAG_CMDACT) || \
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406 ((FLAG) == SDIO_FLAG_TXACT) || \
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407 ((FLAG) == SDIO_FLAG_RXACT) || \
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408 ((FLAG) == SDIO_FLAG_TXFIFOHE) || \
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409 ((FLAG) == SDIO_FLAG_RXFIFOHF) || \
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410 ((FLAG) == SDIO_FLAG_TXFIFOF) || \
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411 ((FLAG) == SDIO_FLAG_RXFIFOF) || \
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412 ((FLAG) == SDIO_FLAG_TXFIFOE) || \
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413 ((FLAG) == SDIO_FLAG_RXFIFOE) || \
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414 ((FLAG) == SDIO_FLAG_TXDAVL) || \
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415 ((FLAG) == SDIO_FLAG_RXDAVL) || \
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416 ((FLAG) == SDIO_FLAG_SDIOIT) || \
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417 ((FLAG) == SDIO_FLAG_CEATAEND))
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419 #define IS_SDIO_CLEAR_FLAG(FLAG) ((((FLAG) & (uint32_t)0xFF3FF800) == 0x00) && ((FLAG) != (uint32_t)0x00))
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421 #define IS_SDIO_GET_IT(IT) (((IT) == SDIO_IT_CCRCFAIL) || \
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422 ((IT) == SDIO_IT_DCRCFAIL) || \
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423 ((IT) == SDIO_IT_CTIMEOUT) || \
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424 ((IT) == SDIO_IT_DTIMEOUT) || \
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425 ((IT) == SDIO_IT_TXUNDERR) || \
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426 ((IT) == SDIO_IT_RXOVERR) || \
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427 ((IT) == SDIO_IT_CMDREND) || \
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428 ((IT) == SDIO_IT_CMDSENT) || \
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429 ((IT) == SDIO_IT_DATAEND) || \
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430 ((IT) == SDIO_IT_STBITERR) || \
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431 ((IT) == SDIO_IT_DBCKEND) || \
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432 ((IT) == SDIO_IT_CMDACT) || \
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433 ((IT) == SDIO_IT_TXACT) || \
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434 ((IT) == SDIO_IT_RXACT) || \
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435 ((IT) == SDIO_IT_TXFIFOHE) || \
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436 ((IT) == SDIO_IT_RXFIFOHF) || \
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437 ((IT) == SDIO_IT_TXFIFOF) || \
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438 ((IT) == SDIO_IT_RXFIFOF) || \
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439 ((IT) == SDIO_IT_TXFIFOE) || \
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440 ((IT) == SDIO_IT_RXFIFOE) || \
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441 ((IT) == SDIO_IT_TXDAVL) || \
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442 ((IT) == SDIO_IT_RXDAVL) || \
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443 ((IT) == SDIO_IT_SDIOIT) || \
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444 ((IT) == SDIO_IT_CEATAEND))
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446 #define IS_SDIO_CLEAR_IT(IT) ((((IT) & (uint32_t)0xFF3FF800) == 0x00) && ((IT) != (uint32_t)0x00))
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452 /** @defgroup SDIO_Read_Wait_Mode
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456 #define SDIO_ReadWaitMode_CLK ((uint32_t)0x00000000)
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457 #define SDIO_ReadWaitMode_DATA2 ((uint32_t)0x00000001)
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458 #define IS_SDIO_READWAIT_MODE(MODE) (((MODE) == SDIO_ReadWaitMode_CLK) || \
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459 ((MODE) == SDIO_ReadWaitMode_DATA2))
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468 /* Exported macro ------------------------------------------------------------*/
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469 /* Exported functions --------------------------------------------------------*/
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470 /* Function used to set the SDIO configuration to the default reset state ****/
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471 void SDIO_DeInit(void);
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473 /* Initialization and Configuration functions *********************************/
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474 void SDIO_Init(SDIO_InitTypeDef* SDIO_InitStruct);
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475 void SDIO_StructInit(SDIO_InitTypeDef* SDIO_InitStruct);
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476 void SDIO_ClockCmd(FunctionalState NewState);
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477 void SDIO_SetPowerState(uint32_t SDIO_PowerState);
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478 uint32_t SDIO_GetPowerState(void);
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480 /* Command path state machine (CPSM) management functions *********************/
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481 void SDIO_SendCommand(SDIO_CmdInitTypeDef *SDIO_CmdInitStruct);
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482 void SDIO_CmdStructInit(SDIO_CmdInitTypeDef* SDIO_CmdInitStruct);
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483 uint8_t SDIO_GetCommandResponse(void);
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484 uint32_t SDIO_GetResponse(uint32_t SDIO_RESP);
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486 /* Data path state machine (DPSM) management functions ************************/
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487 void SDIO_DataConfig(SDIO_DataInitTypeDef* SDIO_DataInitStruct);
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488 void SDIO_DataStructInit(SDIO_DataInitTypeDef* SDIO_DataInitStruct);
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489 uint32_t SDIO_GetDataCounter(void);
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490 uint32_t SDIO_ReadData(void);
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491 void SDIO_WriteData(uint32_t Data);
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492 uint32_t SDIO_GetFIFOCount(void);
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494 /* SDIO IO Cards mode management functions ************************************/
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495 void SDIO_StartSDIOReadWait(FunctionalState NewState);
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496 void SDIO_StopSDIOReadWait(FunctionalState NewState);
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497 void SDIO_SetSDIOReadWaitMode(uint32_t SDIO_ReadWaitMode);
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498 void SDIO_SetSDIOOperation(FunctionalState NewState);
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499 void SDIO_SendSDIOSuspendCmd(FunctionalState NewState);
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501 /* CE-ATA mode management functions *******************************************/
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502 void SDIO_CommandCompletionCmd(FunctionalState NewState);
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503 void SDIO_CEATAITCmd(FunctionalState NewState);
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504 void SDIO_SendCEATACmd(FunctionalState NewState);
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506 /* DMA transfers management functions *****************************************/
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507 void SDIO_DMACmd(FunctionalState NewState);
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509 /* Interrupts and flags management functions **********************************/
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510 void SDIO_ITConfig(uint32_t SDIO_IT, FunctionalState NewState);
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511 FlagStatus SDIO_GetFlagStatus(uint32_t SDIO_FLAG);
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512 void SDIO_ClearFlag(uint32_t SDIO_FLAG);
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513 ITStatus SDIO_GetITStatus(uint32_t SDIO_IT);
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514 void SDIO_ClearITPendingBit(uint32_t SDIO_IT);
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520 #endif /* __STM32F4xx_SDIO_H */
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530 /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
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