- /* USER CODE BEGIN Header */
- /**
- ******************************************************************************
- * [url=home.php?mod=space&uid=288409]@file[/url] : main.c
- * [url=home.php?mod=space&uid=247401]@brief[/url] : Main program body
- ******************************************************************************
- * @attention
- *
- * <h2><center>© Copyright (c) 2019 STMicroelectronics.
- * All rights reserved.</center></h2>
- *
- * This software component is licensed by ST under Ultimate Liberty license
- * SLA0044, the "License"; You may not use this file except in compliance with
- * the License. You may obtain a copy of the License at:
- * www.st.com/SLA0044
- *
- ******************************************************************************
- */
- /* USER CODE END Header */
- /* Includes ------------------------------------------------------------------*/
- #include "main.h"
- #include "fatfs.h"
- /* Private includes ----------------------------------------------------------*/
- /* USER CODE BEGIN Includes */
- #include "SDdriver.h"
- /* USER CODE END Includes */
- /* Private typedef -----------------------------------------------------------*/
- /* USER CODE BEGIN PTD */
- /* USER CODE END PTD */
- /* Private define ------------------------------------------------------------*/
- /* USER CODE BEGIN PD */
- /* USER CODE END PD */
- /* Private macro -------------------------------------------------------------*/
- /* USER CODE BEGIN PM */
- /* USER CODE END PM */
- /* Private variables ---------------------------------------------------------*/
- SPI_HandleTypeDef hspi1;
- UART_HandleTypeDef huart1;
- /* USER CODE BEGIN PV */
- /* USER CODE END PV */
- /* Private function prototypes -----------------------------------------------*/
- void SystemClock_Config(void);
- static void MX_GPIO_Init(void);
- static void MX_SPI1_Init(void);
- static void MX_USART1_UART_Init(void);
- /* USER CODE BEGIN PFP */
- /* USER CODE END PFP */
- /* Private user code ---------------------------------------------------------*/
- /* USER CODE BEGIN 0 */
- int fputc(int ch, FILE *f)
- {
- HAL_UART_Transmit(&huart1, (unsigned char *)&ch, 1, 0xFFFF);
- return ch;
- }
- uint16_t uart_value[3];
- uint8_t aRxBuffer1; //uart rx buff
- void WritetoSD(BYTE write_buff[],uint8_t bufSize);
- char SD_FileName[] = "hello.txt";
- uint8_t WriteBuffer[] = "01 窝室嫩叠\r\n";
- //uint8_t test_sd =0; //用于测试格式化
- uint8_t write_cnt =0; //写SD卡次数
- void WritetoSD(BYTE write_buff[],uint8_t bufSize)
- {
- FATFS fs;
- FIL file;
- uint8_t res=0;
- UINT Bw;
-
- res = SD_init(); //SD卡初始化
-
- if(res == 1)
- {
- printf("SD卡初始化失败! \r\n");
- }
- else
- {
- printf("SD卡初始化成功！ \r\n");
- }
-
- res=f_mount(&fs,"0:",1); //挂载
-
- // if(test_sd == 0) //用于测试格式化
- if(res == FR_NO_FILESYSTEM) //没有文件系统，格式化
- {
- // test_sd =1; //用于测试格式化
- printf("没有文件系统! \r\n");
- res = f_mkfs("", 0, 0); //格式化sd卡
- if(res == FR_OK)
- {
- printf("格式化成功! \r\n");
- res = f_mount(NULL,"0:",1); //格式化后先取消挂载
- res = f_mount(&fs,"0:",1); //重新挂载
- if(res == FR_OK)
- {
- printf("SD卡已经成功挂载，可以进进行文件写入测试!\r\n");
- }
- }
- else
- {
- printf("格式化失败! \r\n");
- }
- }
- else if(res == FR_OK)
- {
- printf("挂载成功! \r\n");
- }
- else
- {
- printf("挂载失败! \r\n");
- }
-
- res = f_open(&file,SD_FileName,FA_OPEN_ALWAYS |FA_WRITE);
- if((res & FR_DENIED) == FR_DENIED)
- {
- printf("卡存储已满，写入失败!\r\n");
- }
-
- f_lseek(&file, f_size(&file));//确保写词写入不会覆盖之前的数据
- if(res == FR_OK)
- {
- printf("打开成功/创建文件成功！ \r\n");
- res = f_write(&file,write_buff,bufSize,&Bw); //写数据到SD卡
- if(res == FR_OK)
- {
- printf("文件写入成功！ \r\n");
- }
- else
- {
- printf("文件写入失败！ \r\n");
- }
- }
- else
- {
- printf("打开文件失败!\r\n");
- }
-
- f_close(&file); //关闭文件
- f_mount(NULL,"0:",1); //取消挂载
-
- }
- void Get_SDCard_Capacity(void)
- {
- FRESULT result;
- FATFS FS;
- FATFS *fs;
- DWORD fre_clust,AvailableSize,UsedSize;
- uint16_t TotalSpace;
- uint8_t res;
-
- res = SD_init(); //SD卡初始化
- if(res == 1)
- {
- printf("SD卡初始化失败! \r\n");
- }
- else
- {
- printf("SD卡初始化成功！ \r\n");
- }
-
- /* 挂载 */
- res=f_mount(&FS,"0:",1); //挂载
- if (res != FR_OK)
- {
- printf("FileSystem Mounted Failed (%d)\r\n", result);
- }
- res = f_getfree("0:", &fre_clust, &fs); /* 根目录 */
- if ( res == FR_OK )
- {
- TotalSpace=(uint16_t)(((fs->n_fatent - 2) * fs->csize ) / 2 /1024);
- AvailableSize=(uint16_t)((fre_clust * fs->csize) / 2 /1024);
- UsedSize=TotalSpace-AvailableSize;
- /* Print free space in unit of MB (assuming 512 bytes/sector) */
- printf("\r\n%d MB total drive space.\r\n""%d MB available.\r\n""%d MB used.\r\n",TotalSpace, AvailableSize,UsedSize);
- }
- else
- {
- printf("Get SDCard Capacity Failed (%d)\r\n", result);
- }
- }
- /* USER CODE END 0 */
- /**
- * @brief The application entry point.
- * @retval int
- */
- int main(void)
- {
- /* USER CODE BEGIN 1 */
- /* USER CODE END 1 */
-
- /* MCU Configuration--------------------------------------------------------*/
- /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
- HAL_Init();
- /* USER CODE BEGIN Init */
- /* USER CODE END Init */
- /* Configure the system clock */
- SystemClock_Config();
- /* USER CODE BEGIN SysInit */
- /* USER CODE END SysInit */
- /* Initialize all configured peripherals */
- MX_GPIO_Init();
- MX_SPI1_Init();
- MX_FATFS_Init();
- MX_USART1_UART_Init();
- /* USER CODE BEGIN 2 */
-
- HAL_UART_Receive_IT(&huart1,&aRxBuffer1,1); //enable uart
- printf(" main \r\n");
- Get_SDCard_Capacity(); //得到使用内存并选择格式化
- /* USER CODE END 2 */
- /* Infinite loop */
- /* USER CODE BEGIN WHILE */
- while (1)
- {
-
-
-
- WritetoSD(WriteBuffer,sizeof(WriteBuffer));
-
-
- // HAL_Delay(500);
- WriteBuffer[0] = WriteBuffer[0] +0;
- WriteBuffer[1] = WriteBuffer[1] +1;
- write_cnt ++;
-
- while(write_cnt > 5)
- {
- printf(" while \r\n");
- HAL_Delay(500);
- }
-
-
-
-
-
-
-
-
-
-
- /* USER CODE END WHILE */
- /* USER CODE BEGIN 3 */
- }
- /* USER CODE END 3 */
- }
- /**
- * @brief System Clock Configuration
- * @retval None
- */
- void SystemClock_Config(void)
- {
- RCC_OscInitTypeDef RCC_OscInitStruct = {0};
- RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
- /** Initializes the CPU, AHB and APB busses clocks
- */
- RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
- RCC_OscInitStruct.HSIState = RCC_HSI_ON;
- RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
- RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
- RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI_DIV2;
- RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL16;
- if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
- {
- Error_Handler();
- }
- /** Initializes the CPU, AHB and APB busses clocks
- */
- RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
- |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
- RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
- RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV2;
- RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
- RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
- if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
- {
- Error_Handler();
- }
- }
- /**
- * @brief SPI1 Initialization Function
- * @param None
- * @retval None
- */
- static void MX_SPI1_Init(void)
- {
- /* USER CODE BEGIN SPI1_Init 0 */
- /* USER CODE END SPI1_Init 0 */
- /* USER CODE BEGIN SPI1_Init 1 */
- /* USER CODE END SPI1_Init 1 */
- /* SPI1 parameter configuration*/
- hspi1.Instance = SPI1;
- hspi1.Init.Mode = SPI_MODE_MASTER;
- hspi1.Init.Direction = SPI_DIRECTION_2LINES;
- hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
- hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
- hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
- hspi1.Init.NSS = SPI_NSS_SOFT;
- hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
- hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
- hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
- hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
- hspi1.Init.CRCPolynomial = 10;
- if (HAL_SPI_Init(&hspi1) != HAL_OK)
- {
- Error_Handler();
- }
- /* USER CODE BEGIN SPI1_Init 2 */
- /* USER CODE END SPI1_Init 2 */
- }
- /**
- * @brief USART1 Initialization Function
- * @param None
- * @retval None
- */
- static void MX_USART1_UART_Init(void)
- {
- /* USER CODE BEGIN USART1_Init 0 */
- /* USER CODE END USART1_Init 0 */
- /* USER CODE BEGIN USART1_Init 1 */
- /* USER CODE END USART1_Init 1 */
- huart1.Instance = USART1;
- huart1.Init.BaudRate = 115200;
- huart1.Init.WordLength = UART_WORDLENGTH_8B;
- huart1.Init.StopBits = UART_STOPBITS_1;
- huart1.Init.Parity = UART_PARITY_NONE;
- huart1.Init.Mode = UART_MODE_TX_RX;
- huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
- huart1.Init.OverSampling = UART_OVERSAMPLING_16;
- if (HAL_UART_Init(&huart1) != HAL_OK)
- {
- Error_Handler();
- }
- /* USER CODE BEGIN USART1_Init 2 */
- /* USER CODE END USART1_Init 2 */
- }
- /**
- * @brief GPIO Initialization Function
- * @param None
- * @retval None
- */
- static void MX_GPIO_Init(void)
- {
- GPIO_InitTypeDef GPIO_InitStruct = {0};
- /* GPIO Ports Clock Enable */
- __HAL_RCC_GPIOA_CLK_ENABLE();
- /*Configure GPIO pin Output Level */
- HAL_GPIO_WritePin(SD_CS_GPIO_Port, SD_CS_Pin, GPIO_PIN_RESET);
- /*Configure GPIO pin : SD_CS_Pin */
- GPIO_InitStruct.Pin = SD_CS_Pin;
- GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
- GPIO_InitStruct.Pull = GPIO_NOPULL;
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
- HAL_GPIO_Init(SD_CS_GPIO_Port, &GPIO_InitStruct);
- }
- /* USER CODE BEGIN 4 */
- /* USER CODE END 4 */
- /**
- * @brief This function is executed in case of error occurrence.
- * @retval None
- */
- void Error_Handler(void)
- {
- /* USER CODE BEGIN Error_Handler_Debug */
- /* User can add his own implementation to report the HAL error return state */
- /* USER CODE END Error_Handler_Debug */
- }
- #ifdef USE_FULL_ASSERT
- /**
- * @brief Reports the name of the source file and the source line number
- * where the assert_param error has occurred.
- * @param file: pointer to the source file name
- * @param line: assert_param error line source number
- * @retval None
- */
- void assert_failed(uint8_t *file, uint32_t line)
- {
- /* USER CODE BEGIN 6 */
- /* User can add his own implementation to report the file name and line number,
- tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
- /* USER CODE END 6 */
- }
- #endif /* USE_FULL_ASSERT */
- /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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