- /* 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
- *
- * Copyright (c) 2022 STMicroelectronics.
- * All rights reserved.
- *
- * This software is licensed under terms that can be found in the LICENSE file
- * in the root directory of this software component.
- * If no LICENSE file comes with this software, it is provided AS-IS.
- *
- ******************************************************************************
- */
- /* USER CODE END Header */
- /* Includes ------------------------------------------------------------------*/
- #include "main.h"
- #include "rtc.h"
- #include "usart.h"
- #include "gpio.h"
-
- /* Private includes ----------------------------------------------------------*/
- /* USER CODE BEGIN Includes */
- #include "stdio.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 ---------------------------------------------------------*/
-
- /* USER CODE BEGIN PV */
- uint8_t rxdata1;
- /* USER CODE END PV */
-
- /* Private function prototypes -----------------------------------------------*/
- void SystemClock_Config(void);
- /* USER CODE BEGIN PFP */
- #ifdef __GNUC__ //串口重定向
- #define PUTCHAR_PROTOTYPE int __io_putchar(int ch)
- #else
- #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)
- #endif
- PUTCHAR_PROTOTYPE
- {
- HAL_UART_Transmit(&huart1 , (uint8_t *)&ch, 1, 0xFFFF);
- return ch;
- }
-
- /* USER CODE END PFP */
-
- /* Private user code ---------------------------------------------------------*/
- /* USER CODE BEGIN 0 */
-
- //发字符串函数
- uint8_t Usart_SendString(const uint8_t* str)
- {
-
- while(*str!='\0')
- {
- if(HAL_UART_Transmit(&huart1, (uint8_t *)str, 1, 1000)!=HAL_OK)
- {
- return 0; //发送失败
- }
- str++;
- }
- return 1; //发送成功
- }
-
- void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
- {
- if (huart->Instance == USART1){
- /* 将接收成功的数据通过串口发出*/
- //HAL_UART_Transmit_IT(&huart1,&rxdata1, 1); //不要在此处用中断式发送,不然会丢失信息
- HAL_UART_Transmit(&huart1,&rxdata1, 1, 0xffff);//查询法发
- HAL_UART_Receive_IT(&huart1, &rxdata1, 1); //重新启,接收1个数
- }
-
- }
-
- // 芯片的Flash为64K,最后一页Flash的首地址为0x0x0800FC00,每页1Kb。
- #define FLASH_FOR_EEPROM_ADDRESS 0x0800FC00
- uint32_t WriteFlashData[3] = {0x12345678,0x22222222,0x33333333};//数据
- uint32_t addr = 0x0800FC00; // 芯片的Flash为64K,最后一页Flash的首地址为0x0x0800FC00,每页1Kb。
- /*FLASH写入程序*/
- void WriteFlashTest(uint32_t L,uint32_t Data[],uint32_t addr)
- {
- uint32_t i=0;
- /* 1/4解锁FLASH*/
- HAL_FLASH_Unlock();
- /* 2/4擦除FLASH*/
- /*初始化FLASH_EraseInitTypeDef*/
- /*擦除方式页擦除FLASH_TYPEERASE_PAGES,块擦除FLASH_TYPEERASE_MASSERASE*/
- /*擦除页数*/
- /*擦除地址*/
- FLASH_EraseInitTypeDef FlashSet;
- FlashSet.TypeErase = FLASH_TYPEERASE_PAGES;
- FlashSet.PageAddress = addr;
- FlashSet.NbPages = 1;
- /*设置PageError,调用擦除函数*/
- uint32_t PageError = 0;
- HAL_FLASHEx_Erase(&FlashSet, &PageError);
- /* 3/4对FLASH烧写*/
- for(i=0;i<L;i++)
- {
- HAL_FLASH_Program(FLASH_TYPEPROGRAM_WORD, addr+4*i, Data[i]);
- }
- /* 4/4锁住FLASH*/
- HAL_FLASH_Lock();
- }
- /*FLASH读取打印程序*/
- void PrintFlashTest(uint32_t L,uint32_t addr)
- {
- uint32_t i=0;
- for(i=0;i<L;i++)
- {
- printf("addr is:0x%x, data is:0x%x\n", addr+i*4, *(__IO uint32_t*)(addr+i*4));
- }
- }
-
- double WriteFlashData2[3]={3.5,1234567890,-3.5};
- typedef union{
- double doubleNum;
- uint64_t u64Num;
- } DoubleAndU64;
- void WriteFlashDouble(uint32_t L,double Data[],uint32_t addr)
- {
- DoubleAndU64 data2u64;
- uint32_t i=0;
-
- /* 1/4解锁FLASH*/
- HAL_FLASH_Unlock();
- /* 2/4擦除FLASH*/
- /*初始化FLASH_EraseInitTypeDef*/
- /*擦除方式页擦除FLASH_TYPEERASE_PAGES,块擦除FLASH_TYPEERASE_MASSERASE*/
- /*擦除页数*/
- /*擦除地址*/
- FLASH_EraseInitTypeDef FlashSet;
- FlashSet.TypeErase = FLASH_TYPEERASE_PAGES;
- FlashSet.PageAddress = addr;
- FlashSet.NbPages = 1;
- /*设置PageError,调用擦除函数*/
- uint32_t PageError = 0;
- HAL_FLASHEx_Erase(&FlashSet, &PageError);
-
- /* 3/4对FLASH烧写*/
- for(i=0;i<L;i++)
- {
- data2u64.doubleNum=Data[i];
- HAL_FLASH_Program(FLASH_TYPEPROGRAM_DOUBLEWORD, addr+8*i, data2u64.u64Num);
- }
- /* 4/4锁住FLASH*/
- HAL_FLASH_Lock();
- }
- void PrintFlashDouble(uint32_t L,uint32_t addr)
- {
- DoubleAndU64 data2double;
- uint32_t i=0;
- for(i=0;i<L;i++)
- {
- data2double.u64Num=*(__IO uint64_t*)(addr+i*8);
- printf("addr is:0x%x, data is:%f\n", addr+i*8, data2double.doubleNum );
- }
- }
-
- /* USER CODE END 0 */
-
- /**
- * @brief The application entry point.
- * @retval int
- */
- int main(void)
- {
- /* USER CODE BEGIN 1 */
- uint8_t dat1[]={"China "};
- uint8_t dat2[]={"Back!\r\n"};
- // uint8_t *dat2="7777 ";
- /* 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_USART1_UART_Init();
- MX_RTC_Init();
- /* USER CODE BEGIN 2 */
-
- HAL_UART_Receive_IT(&huart1, &rxdata1, 1); //中断接收函数
-
-
- WriteFlashDouble(3,WriteFlashData2,addr);
- PrintFlashDouble(3,addr);
-
- /* USER CODE END 2 */
-
- /* Infinite loop */
- /* USER CODE BEGIN WHILE */
-
- while (1)
- {
- //记得看看奇偶校验
- HAL_GPIO_WritePin(GPIOB,GPIO_PIN_12,GPIO_PIN_RESET);
- HAL_Delay(2000);
- HAL_GPIO_WritePin(GPIOB,GPIO_PIN_12,GPIO_PIN_SET);
-
- // HAL_UART_Transmit(&huart1,(uint8_t*)"China ",sizeof("China "), 0xffff);
- HAL_Delay(2000);
- while(huart1.gState != HAL_UART_STATE_READY);
- HAL_UART_Transmit_IT(&huart1,dat1,6); //不要在此处用sizeof(dat1),不然下一次连续发送就会失效!
- while(huart1.gState != HAL_UART_STATE_READY);
- HAL_UART_Transmit_IT(&huart1,dat2,7);
-
-
- while(huart1.gState != HAL_UART_STATE_READY);
- printf("Hello\r\n"); //使用printf必须用\n结束!!
-
- /* 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};
- RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
-
- /** Initializes the RCC Oscillators according to the specified parameters
- * in the RCC_OscInitTypeDef structure.
- */
- RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE|RCC_OSCILLATORTYPE_LSE;
- RCC_OscInitStruct.HSEState = RCC_HSE_ON;
- RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
- RCC_OscInitStruct.LSEState = RCC_LSE_ON;
- RCC_OscInitStruct.HSIState = RCC_HSI_ON;
- RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
- RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
- RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
- if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
- {
- Error_Handler();
- }
-
- /** Initializes the CPU, AHB and APB buses 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_DIV1;
- RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
- RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
-
- if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
- {
- Error_Handler();
- }
- PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_RTC;
- PeriphClkInit.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
- if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
- {
- Error_Handler();
- }
- }
-
- /* 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 */
- __disable_irq();
- while (1)
- {
- }
- /* 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,
- ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
- /* USER CODE END 6 */
- }
- #endif /* USE_FULL_ASSERT */