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楼主 |
发表于 2023-5-18 18:48:03
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主程序就这样,您有时间的话帮忙看一下,谢谢
__IO float AD8232_Volt;
uint32_t AdcValue1;
uint8_t rx_buffer[20];
uint8_t rx_Data[6]="A1234B";
uint8_t All_Buffer[20]="AA1.45670.012345C0BB";
uint8_t ECG_widcnt = 0;
uint32_t Re_cnt = 0;
float ECG_4Wid[4] = {0};
_Bool StartOpenFlag = 0;
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */
float Moving_Mean(float* Data);
/* USER CODE END PFP */
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
/* 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_DMA_Init();
MX_USART1_UART_Init();
MX_USART3_UART_Init();
MX_TIM3_Init();
MX_ADC1_Init();
/* USER CODE BEGIN 2 */
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
if(__HAL_UART_GET_FLAG(&huart3, UART_FLAG_RXNE)!=RESET && StartOpenFlag ==0)
{
HAL_UART_Receive_IT(&huart3,rx_buffer,20);
}
if(__HAL_UART_GET_FLAG(&huart3, UART_FLAG_RXNE)!=RESET && StartOpenFlag ==1)
{
HAL_UART_Receive_IT(&huart3,rx_Data,6);
}
}
/* USER CODE END 3 */
}
/**
* @brief System Clock Configuration
* @retval None
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
/** Configure the main internal regulator output voltage
*/
__HAL_RCC_PWR_CLK_ENABLE();
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
/** Initializes the RCC Oscillators according to the specified parameters
* in the RCC_OscInitTypeDef structure.
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLM = 4;
RCC_OscInitStruct.PLL.PLLN = 100;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLQ = 4;
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_DIV4;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_3) != HAL_OK)
{
Error_Handler();
}
}
/* USER CODE BEGIN 4 */
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
{
Re_cnt ++;
if (huart == &huart3)
{
if(rx_buffer[0]=='A'&&rx_buffer[1]=='A'&&rx_buffer[0]!='B')
{
StartOpenFlag = 1;
HAL_TIM_Base_Start_IT(&htim3); //采样频率
}
HAL_UART_Transmit(&huart1,(uint8_t *)rx_Data,6,0xffff);
}
}
void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
{
if(htim==&htim3)
{
HAL_ADC_Start_DMA(&hadc1,&AdcValue1,1);//开启ADC终端转换
AD8232_Volt = AdcValue1*3.3/4096;//心电采集的电压值
sprintf(&All_Buffer[2], "%.4f", AD8232_Volt);
sprintf(&All_Buffer[8], "%.6f", AD8232_Volt);
All_Buffer[16] = 'C';
HAL_UART_Transmit(&huart3,(uint8_t *)All_Buffer,20,0xffff);
HAL_ADC_Stop_DMA(&hadc1);
}
} |
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