目录

一、项目描述

二、仿真

三、程序

数据下载地址：基于STM32风速风向模拟试验

一、项目描述

同时获得风速风向值OLED显示在液晶上。

二、仿真

系统未上电

系统上电

改变风速风向

三、程序

主程序

#include "main.h" #include "stm32f1xx.h" #include "./usart/bsp_debug_usart.h" #include  #include "./adc/bsp_adc.h" #include "string.h" #include "oled.h"  uint16_t value[5]; char strvalue[10];  uint8_t Wind_Direc[10][10] =  {  "north    ",  //北风  "northeast",   //东北风  "east     ",  //东风  "southeast",  //东南风  "south    ",  //南风  "southwest",        //西南风  "west     ",  //西风  "northwest",  //西北风 }; int main(void) {      SystemClock_Config()//配置系统时钟为72 MHz    DEBUG_USART_Config(); //初始化USART1 配置模式为 115200 8-N-1    DisPlay_Init()；//配置OLED液晶屏   ADCx_Init();//AD功能初始化   HAL_ADCEx_Calibration_Start(&hadcx);//启用ADC校准   HAL_ADC_Start(&hadcx );//开始   delay_ms(10)；/等待AD采集   while (1)   {  Get_Pressure_Gas_Value();   } }  void Get_Pressure_Gas_Value(void) {  static  int idx = 0;   value[0] = ADC_Get_Average(0,1);   Current_Voltage = value[0] * 100 / 4095./采集电位计电压   sprintf(strvalue,"%d   ",Current_Voltage);///整形数据转化为字符串   OLED_ShowString(45,2,strvalue);//显示风速       value[1] = ADC_Get_Average(1,1);    if(value[1] < 511 )    {     idx = 0;    }    else if(value[1] < 1022 && value[1] >= 511)    {     idx = 1;    }    else if(value[1] < 1533 && value[1] >= 1022)    {     idx = 2;    }    else if(value[1] < 2044 && value[1] >= 1533)    {     idx = 3;    }    else if(value[1] < 2555 && value[1] >= 2044)    {     idx = 4;    }    else if(value[1] < 3066 && value[1] >= 2555)    {     idx = 5;    }    else if(value[1] < 3577 && value[1] >= 3066)    {     idx = 6;    }    else if( value[1] >= 3577)    {     idx = 7;    }     OLED_ShowString(45,4,Wind_Direc[idx]);//显示    printf("WindSpeed = %d\r\nWindDirect = %s\r\n"  ,Current_Voltage,Wind_Direc[idx]);    HAL_Delay(10);  }  /**   * @brief  System Clock Configuration   *         The system Clock is configured as follow :    *            System Clock source            = PLL (HSE)   *            SYSCLK(Hz)                     = 72000000   *            HCLK(Hz)                       = 72000000   *            AHB Prescaler                  = 1   *            APB1 Prescaler                 = 2   *            APB2 Prescaler                 = 1   *            HSE Frequency(Hz)              = 8000000   *            HSE PREDIV1                    = 1   *            PLLMUL                         = 9   *            Flash Latency(WS)              = 2   * @param  None   * @retval None   */ void SystemClock_Config(void) {   RCC_ClkInitTypeDef clkinitstruct = {0};   RCC_OscInitTypeDef oscinitstruct = {0};      /* Enable HSE Oscillator and activate PLL with HSE as source */   oscinitstruct.OscillatorType  = RCC_OSCILLATORTYPE_HSE;   oscinitstruct.HSEState        = RCC_HSE_ON;   oscinitstruct.HSEPredivValue  = RCC_HSE_PREDIV_DIV1;   oscinitstruct.PLL.PLLState    = RCC_PLL_ON;   oscinitstruct.PLL.PLLSource   = RCC_PLLSOURCE_HSE;   oscinitstruct.PLL.PLLMUL      = RCC_PLL_MUL5;   if (HAL_RCC_OscConfig(&oscinitstruct)!= HAL_OK)   {     /* Initialization Error */     while(1);    }    /* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2       clocks dividers */   clkinitstruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);   clkinitstruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;   clkinitstruct.AHBCLKDivider = RCC_SYSCLK_DIV1;   clkinitstruct.APB2CLKDivider = RCC_HCLK_DIV1;   clkinitstruct.APB1CLKDivider = RCC_HCLK_DIV2;     if (HAL_RCC_ClockConfig(&clkinitstruct, FLASH_LATENCY_2)!= HAL_OK)   {     /* Initialization Error */     while(1);    } }