From 75abee206d1a575aa98a486d043c94d64df432c1 Mon Sep 17 00:00:00 2001 From: Damien George Date: Sun, 26 Jan 2014 17:41:01 +0000 Subject: stm: USB host mode working! Restructure stm library directories. --- stm/lib/stm32f4xx_sdio.c | 1011 ---------------------------------------------- 1 file changed, 1011 deletions(-) delete mode 100644 stm/lib/stm32f4xx_sdio.c (limited to 'stm/lib/stm32f4xx_sdio.c') diff --git a/stm/lib/stm32f4xx_sdio.c b/stm/lib/stm32f4xx_sdio.c deleted file mode 100644 index aead846a1d..0000000000 --- a/stm/lib/stm32f4xx_sdio.c +++ /dev/null @@ -1,1011 +0,0 @@ -/** - ****************************************************************************** - * @file stm32f4xx_sdio.c - * @author MCD Application Team - * @version V1.3.0 - * @date 08-November-2013 - * @brief This file provides firmware functions to manage the following - * functionalities of the Secure digital input/output interface (SDIO) - * peripheral: - * + Initialization and Configuration - * + Command path state machine (CPSM) management - * + Data path state machine (DPSM) management - * + SDIO IO Cards mode management - * + CE-ATA mode management - * + DMA transfers management - * + Interrupts and flags management - * -@verbatim - - =================================================================== - ##### How to use this driver ##### - =================================================================== - [..] - (#) The SDIO clock (SDIOCLK = 48 MHz) is coming from a specific output of PLL - (PLL48CLK). Before to start working with SDIO peripheral make sure that the - PLL is well configured. - The SDIO peripheral uses two clock signals: - (++) SDIO adapter clock (SDIOCLK = 48 MHz) - (++) APB2 bus clock (PCLK2) - - -@@- PCLK2 and SDIO_CK clock frequencies must respect the following condition: - Frequency(PCLK2) >= (3 / 8 x Frequency(SDIO_CK)) - - (#) Enable peripheral clock using RCC_APB2PeriphClockCmd(RCC_APB2Periph_SDIO, ENABLE). - - (#) According to the SDIO mode, enable the GPIO clocks using - RCC_AHB1PeriphClockCmd() function. - The I/O can be one of the following configurations: - (++) 1-bit data length: SDIO_CMD, SDIO_CK and D0. - (++) 4-bit data length: SDIO_CMD, SDIO_CK and D[3:0]. - (++) 8-bit data length: SDIO_CMD, SDIO_CK and D[7:0]. - - (#) Peripheral alternate function: - (++) Connect the pin to the desired peripherals' Alternate Function (AF) - using GPIO_PinAFConfig() function - (++) Configure the desired pin in alternate function by: - GPIO_InitStruct->GPIO_Mode = GPIO_Mode_AF - (++) Select the type, pull-up/pull-down and output speed via GPIO_PuPd, - GPIO_OType and GPIO_Speed members - (++) Call GPIO_Init() function - - (#) Program the Clock Edge, Clock Bypass, Clock Power Save, Bus Wide, - hardware, flow control and the Clock Divider using the SDIO_Init() - function. - - (#) Enable the Power ON State using the SDIO_SetPowerState(SDIO_PowerState_ON) - function. - - (#) Enable the clock using the SDIO_ClockCmd() function. - - (#) Enable the NVIC and the corresponding interrupt using the function - SDIO_ITConfig() if you need to use interrupt mode. - - (#) When using the DMA mode - (++) Configure the DMA using DMA_Init() function - (++) Active the needed channel Request using SDIO_DMACmd() function - - (#) Enable the DMA using the DMA_Cmd() function, when using DMA mode. - - (#) To control the CPSM (Command Path State Machine) and send - commands to the card use the SDIO_SendCommand(), - SDIO_GetCommandResponse() and SDIO_GetResponse() functions. First, user has - to fill the command structure (pointer to SDIO_CmdInitTypeDef) according - to the selected command to be sent. - The parameters that should be filled are: - (++) Command Argument - (++) Command Index - (++) Command Response type - (++) Command Wait - (++) CPSM Status (Enable or Disable). - - -@@- To check if the command is well received, read the SDIO_CMDRESP - register using the SDIO_GetCommandResponse(). - The SDIO responses registers (SDIO_RESP1 to SDIO_RESP2), use the - SDIO_GetResponse() function. - - (#) To control the DPSM (Data Path State Machine) and send/receive - data to/from the card use the SDIO_DataConfig(), SDIO_GetDataCounter(), - SDIO_ReadData(), SDIO_WriteData() and SDIO_GetFIFOCount() functions. - - *** Read Operations *** - ======================= - [..] - (#) First, user has to fill the data structure (pointer to - SDIO_DataInitTypeDef) according to the selected data type to be received. - The parameters that should be filled are: - (++) Data TimeOut - (++) Data Length - (++) Data Block size - (++) Data Transfer direction: should be from card (To SDIO) - (++) Data Transfer mode - (++) DPSM Status (Enable or Disable) - - (#) Configure the SDIO resources to receive the data from the card - according to selected transfer mode (Refer to Step 8, 9 and 10). - - (#) Send the selected Read command (refer to step 11). - - (#) Use the SDIO flags/interrupts to check the transfer status. - - *** Write Operations *** - ======================== - [..] - (#) First, user has to fill the data structure (pointer to - SDIO_DataInitTypeDef) according to the selected data type to be received. - The parameters that should be filled are: - (++) Data TimeOut - (++) Data Length - (++) Data Block size - (++) Data Transfer direction: should be to card (To CARD) - (++) Data Transfer mode - (++) DPSM Status (Enable or Disable) - - (#) Configure the SDIO resources to send the data to the card according to - selected transfer mode (Refer to Step 8, 9 and 10). - - (#) Send the selected Write command (refer to step 11). - - (#) Use the SDIO flags/interrupts to check the transfer status. - - -@endverbatim - * - * - ****************************************************************************** - * @attention - * - *

© COPYRIGHT 2013 STMicroelectronics

- * - * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); - * You may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.st.com/software_license_agreement_liberty_v2 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * - ****************************************************************************** - */ - -/* Includes ------------------------------------------------------------------*/ -#include "stm32f4xx_sdio.h" -#include "stm32f4xx_rcc.h" - -/** @addtogroup STM32F4xx_StdPeriph_Driver - * @{ - */ - -/** @defgroup SDIO - * @brief SDIO driver modules - * @{ - */ - -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ - -/* ------------ 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)) - -/* Private macro -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -/* Private function prototypes -----------------------------------------------*/ -/* Private functions ---------------------------------------------------------*/ - -/** @defgroup SDIO_Private_Functions - * @{ - */ - -/** @defgroup SDIO_Group1 Initialization and Configuration functions - * @brief Initialization and Configuration functions - * -@verbatim - =============================================================================== - ##### Initialization and Configuration functions ##### - =============================================================================== - -@endverbatim - * @{ - */ - -/** - * @brief Deinitializes the SDIO peripheral registers to their default reset values. - * @param None - * @retval None - */ -void SDIO_DeInit(void) -{ - RCC_APB2PeriphResetCmd(RCC_APB2Periph_SDIO, ENABLE); - RCC_APB2PeriphResetCmd(RCC_APB2Periph_SDIO, DISABLE); -} - -/** - * @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: SDIO Power OFF - * @arg SDIO_PowerState_ON: SDIO Power ON - * @retval None - */ -void SDIO_SetPowerState(uint32_t SDIO_PowerState) -{ - /* Check the parameters */ - assert_param(IS_SDIO_POWER_STATE(SDIO_PowerState)); - - 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 values: - * - 0x00: Power OFF - * - 0x02: Power UP - * - 0x03: Power ON - */ -uint32_t SDIO_GetPowerState(void) -{ - return (SDIO->POWER & (~PWR_PWRCTRL_MASK)); -} - -/** - * @} - */ - -/** @defgroup SDIO_Group2 Command path state machine (CPSM) management functions - * @brief Command path state machine (CPSM) management functions - * -@verbatim - =============================================================================== - ##### Command path state machine (CPSM) management functions ##### - =============================================================================== - - This section provide functions allowing to program and read the Command path - state machine (CPSM). - -@endverbatim - * @{ - */ - -/** - * @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); -} - -/** - * @} - */ - -/** @defgroup SDIO_Group3 Data path state machine (DPSM) management functions - * @brief Data path state machine (DPSM) management functions - * -@verbatim - =============================================================================== - ##### Data path state machine (DPSM) management functions ##### - =============================================================================== - - This section provide functions allowing to program and read the Data path - state machine (DPSM). - -@endverbatim - * @{ - */ - -/** - * @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; -} - -/** - * @} - */ - -/** @defgroup SDIO_Group4 SDIO IO Cards mode management functions - * @brief SDIO IO Cards mode management functions - * -@verbatim - =============================================================================== - ##### SDIO IO Cards mode management functions ##### - =============================================================================== - - This section provide functions allowing to program and read the SDIO IO Cards. - -@endverbatim - * @{ - */ - -/** - * @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; -} - -/** - * @} - */ - -/** @defgroup SDIO_Group5 CE-ATA mode management functions - * @brief CE-ATA mode management functions - * -@verbatim - =============================================================================== - ##### CE-ATA mode management functions ##### - =============================================================================== - - This section provide functions allowing to program and read the CE-ATA card. - -@endverbatim - * @{ - */ - -/** - * @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; -} - -/** - * @} - */ - -/** @defgroup SDIO_Group6 DMA transfers management functions - * @brief DMA transfers management functions - * -@verbatim - =============================================================================== - ##### DMA transfers management functions ##### - =============================================================================== - - This section provide functions allowing to program SDIO DMA transfer. - -@endverbatim - * @{ - */ - -/** - * @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; -} - -/** - * @} - */ - -/** @defgroup SDIO_Group7 Interrupts and flags management functions - * @brief Interrupts and flags management functions - * -@verbatim - =============================================================================== - ##### Interrupts and flags management functions ##### - =============================================================================== - - -@endverbatim - * @{ - */ - -/** - * @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 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, SDIO_DCOUNT, 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 STMicroelectronics *****END OF FILE****/ -- cgit v1.2.3