void TIM3_init(uint32_t Period,uint32_t Prescaler) { __HAL_RCC_TIM3_CLK_ENABLE(); TIM_HandleTypeDef TimHandle; TimHandle.Instance = TIM3; /* Select TIM3 */ TimHandle.Init.Period = Period - 1; /* Auto-reload value */ TimHandle.Init.Prescaler = Prescaler - 1; /* Prescaler is set to 1000-1 */ TimHandle.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1; /* No clock division */ TimHandle.Init.CounterMode = TIM_COUNTERMODE_UP; /* Up counting mode */ TimHandle.Init.RepetitionCounter = 1 - 1; /* No repetition counter */ TimHandle.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE; /* Auto-reload register not buffered */ HAL_NVIC_SetPriority(TIM3_IRQn, 2, 2); HAL_NVIC_EnableIRQ(TIM3_IRQn); /* TIM3 initialization */ if (HAL_TIM_Base_Init(&TimHandle) != HAL_OK) { APP_ErrorHandler(); } /* Start TIM3 and enable interrupts */ if (HAL_TIM_Base_Start_IT(&TimHandle) != HAL_OK) { APP_ErrorHandler(); } } #ifndef __TIM_H #define __TIM_H #include "py32f0xx_hal.h" #include "main.h" void TIM3_init(uint32_t Period,uint32_t Prescaler); extern TIM_HandleTypeDef TimHandle;/** ****************************************************************************** * @file main.c * @author MCU Application Team * @brief Main program body ****************************************************************************** * @attention * * <h2><center>&copy; Copyright (c) 2023 Puya Semiconductor Co. * All rights reserved.</center></h2> * * This software component is licensed by Puya under BSD 3-Clause license, * the "License"; You may not use this file except in compliance with the * License. You may obtain a copy of the License at: * opensource.org/licenses/BSD-3-Clause * ****************************************************************************** * @attention * * <h2><center>&copy; Copyright (c) 2016 STMicroelectronics. * All rights reserved.</center></h2> * * This software component is licensed by ST under BSD 3-Clause license, * the "License"; You may not use this file except in compliance with the * License. You may obtain a copy of the License at: * opensource.org/licenses/BSD-3-Clause * ****************************************************************************** */ /* Includes ------------------------------------------------------------------*/ #include "main.h" #include "Dr_Driver\bsp.h" #include "TIM\tim.h" #include "KEY\key.h" #include "MIC\mic.h" //TIM_HandleTypeDef TimHandle; static void APP_SystemClockConfig(void); uint8_t key_num; /** * @brief Main program. * @retval int */ int main(void) { /* Reset of all peripherals, Initializes the Systick */ HAL_Init(); //HAL_Delay(1000); uint8_t MIC_status=0; //mic状态 uint32_t smoking_tim=0;//吸烟时间 /* Configure the system clock */ APP_SystemClockConfig(); iwdg_init(); Dr_system_init(); //uart Dr_Uart_Debug_Printf("SystemCoreClock = %d\n\r",SystemCoreClock); TIM3_init(32000,1000);//100ms adc_Config(); KEY_init(); MIC_init(); #if (DEBUG_PRINTF == 1) Dr_Uart_Debug_Printf("SystemCoreClock = %d\n\r",SystemCoreClock); #endif while (1) { MIC_status= HAL_GPIO_ReadPin(GPIOA, GPIO_PIN_4); switch(key_num) { case 1:smoking_tim=300;break; case 2:smoking_tim=200;break; case 3:smoking_tim=100;break; default:break; } if(timer_1s_flag) { Dr_Uart_Debug_Printf("vbat = %d\r\n",(4095 * 1200) / g_get_adc[2]); //原电池电压 Dr_Uart_Debug_Printf("outvbat = %d\r\n",(g_get_adc[0]* 1200)/g_get_adc[2]); //待测电池电压 Dr_Uart_Debug_Printf("output = %d\r\n",(g_get_adc[1]* 1200)/g_get_adc[2]); //输出电压 Dr_Uart_Debug_Printf("smokingtim = %d\r\n",smoking_tim); //输出电压 Dr_Uart_Debug_Printf("MIC_status = %d\r\n",MIC_status); //输出电压 Dr_Uart_Debug_Printf("\r\n"); //输出电压 } if(timer_10ms_flag ) { adc_get(); timer_10ms_flag = 0; } if(timer_100ms_flag ) { timer_100ms_flag = 0; if(MIC_status) smoking_tim++; } if(timer_1s_flag) { timer_1s_flag=0; } fwdt_feed(); } } void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim) { //BSP_LED_Toggle(LED_GREEN); //BSP_LED_On(LED_GREEN); smoking_tim=500; } void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin) { static uint32_t last_time[3] = {0}; uint32_t current_time = HAL_GetTick(); Dr_Uart_Debug_Printf("KEY0 Pressed!\n"); // 判断是哪个按键触发的中断 if (GPIO_Pin == GPIO_PIN_5) { // KEY0 if (current_time - last_time[0] > 20) { // 消抖处理（20ms） last_time[0] = current_time; // 处理KEY0按下事件 Dr_Uart_Debug_Printf("KEY0 Pressed!\n"); } } else if (GPIO_Pin == GPIO_PIN_6) { // KEY1 if (current_time - last_time[1] > 20) { last_time[1] = current_time; // 处理KEY1按下事件 Dr_Uart_Debug_Printf("KEY1 Pressed!\n"); } } else if (GPIO_Pin == GPIO_PIN_7) { // KEY2 if (current_time - last_time[2] > 20) { last_time[2] = current_time; // 处理KEY2按下事件 Dr_Uart_Debug_Printf("KEY2 Pressed!\n"); } } } /** * @brief System Clock Configuration * @param None * @retval None */ static void APP_SystemClockConfig(void) { RCC_OscInitTypeDef RCC_OscInitStruct = {0}; RCC_ClkInitTypeDef RCC_ClkInitStruct = {0}; /* Oscillator Configuration */ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE | RCC_OSCILLATORTYPE_HSI | RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE; /* Select oscillators HSE, HSI, LSI, LSE */ RCC_OscInitStruct.HSIState = RCC_HSI_ON; /* Enable HSI */ RCC_OscInitStruct.HSIDiv = RCC_HSI_DIV1; /* HSI not divided */ RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_24MHz; /* Configure HSI clock as 8MHz */ RCC_OscInitStruct.HSEState = RCC_HSE_OFF; /* Disable HSE */ // RCC_OscInitStruct.HSEFreq = RCC_HSE_16_32MHz; RCC_OscInitStruct.LSIState = RCC_LSI_OFF; /* Disable LSI */ RCC_OscInitStruct.LSEState = RCC_LSE_OFF; /* Disable LSE */ /*RCC_OscInitStruct.LSEDriver = RCC_LSEDRIVE_MEDIUM;*/ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; /* Disable PLL */ RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI; /* Configure oscillators */ if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) { APP_ErrorHandler(); } /* Clock source configuration */ RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1; /* Select clock types HCLK, SYSCLK, PCLK1 */ RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; /* Select HSI as the system clock */ RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; /* AHB clock not divide */ RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1; /* APB clock not divided */ /* Configure clock source */ if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK) { APP_ErrorHandler(); } } /** * @brief This function is executed in case of error occurrence. * @param None * @retval None */ void APP_ErrorHandler(void) { /* Infinite loop */ while (1) { } } /************************ (C) COPYRIGHT Puya *****END OF FILE******************/为什么只打印了一行SystemCoreClock = 48000000