128 lines
4.4 KiB
C
128 lines
4.4 KiB
C
/**
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******************************************************************************
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* File Name : SDMMC.c
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* Description : This file provides code for the configuration
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* of the SDIO instances.
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******************************************************************************
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** This notice applies to any and all portions of this file
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* that are not between comment pairs USER CODE BEGIN and
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* USER CODE END. Other portions of this file, whether
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* inserted by the user or by software development tools
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* are owned by their respective copyright owners.
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*
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* COPYRIGHT(c) 2019 STMicroelectronics
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "sdmmc.h"
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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SD_HandleTypeDef hsd;
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/* SDIO init function */
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void MX_SDIO_SD_Init(void)
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{
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hsd.Instance = SDMMC1;
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hsd.Init.ClockEdge = SDMMC_CLOCK_EDGE_RISING;
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hsd.Init.ClockBypass = SDMMC_CLOCK_BYPASS_DISABLE;
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hsd.Init.ClockPowerSave = SDMMC_CLOCK_POWER_SAVE_DISABLE;
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hsd.Init.BusWide = SDMMC_BUS_WIDE_1B;
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hsd.Init.HardwareFlowControl = SDMMC_HARDWARE_FLOW_CONTROL_DISABLE;
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hsd.Init.ClockDiv = SDMMC_INIT_CLK_DIV;
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if (HAL_SD_Init(&hsd) != HAL_OK)
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{
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Error_Handler();
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}
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if (HAL_SD_ConfigWideBusOperation(&hsd, SDMMC_BUS_WIDE_4B) != HAL_OK)
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{
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Error_Handler();
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}
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}
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void HAL_SD_MspInit(SD_HandleTypeDef* sdHandle)
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{
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GPIO_InitTypeDef GPIO_Initure;
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__HAL_RCC_SDMMC1_CLK_ENABLE();
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__HAL_RCC_DMA2_CLK_ENABLE();
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__HAL_RCC_GPIOC_CLK_ENABLE();
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__HAL_RCC_GPIOD_CLK_ENABLE();
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//PC8,9,10,11,12
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GPIO_Initure.Pin=GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12;
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GPIO_Initure.Mode=GPIO_MODE_AF_PP;
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GPIO_Initure.Pull=GPIO_PULLUP;
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GPIO_Initure.Speed=GPIO_SPEED_HIGH;
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GPIO_Initure.Alternate=GPIO_AF12_SDIO;
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HAL_GPIO_Init(GPIOC,&GPIO_Initure);
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//PD2
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GPIO_Initure.Pin=GPIO_PIN_2;
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HAL_GPIO_Init(GPIOD,&GPIO_Initure);
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}
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void HAL_SD_MspDeInit(SD_HandleTypeDef* sdHandle)
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{
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if(sdHandle->Instance==SDMMC1)
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{
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/* USER CODE BEGIN SDIO_MspDeInit 0 */
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/* USER CODE END SDIO_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_SDMMC1_CLK_DISABLE();
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/**SDIO GPIO Configuration
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PC8 ------> SDIO_D0
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PC9 ------> SDIO_D1
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PC10 ------> SDIO_D2
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PC11 ------> SDIO_D3
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PC12 ------> SDIO_CK
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PD2 ------> SDIO_CMD
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*/
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HAL_GPIO_DeInit(GPIOC, GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11
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|GPIO_PIN_12);
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HAL_GPIO_DeInit(GPIOD, GPIO_PIN_2);
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/* USER CODE BEGIN SDIO_MspDeInit 1 */
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/* USER CODE END SDIO_MspDeInit 1 */
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}
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}
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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