基于STM32F103空气净化器程序 PCB文件全开源 -

/*大胆呼吸*/
#include "led.h"
#include "delay.h"
#include "sys.h"
#include "usart.h"
#include "lcd.h"
#include "adc.h"
#include "dht11.h"
#include "pwm.h"
#include "ms1100.h"
// ADC1转换的电压值通过MDA方式传到SRAM
extern __IO uint16_t ADC_ConvertedValue;
// 局部变量，用于保存转换计算后的电压值
extern float TVOC3,CH2O1,vola;
float temp;//pwm风扇等级
int level;
void Display(void);
int main(void)
{
u8 x=0;
u8 lcd_id[12]; //存放LCD ID字符串
u16 adcx;
u8 temperature;
u8 humidity;
TIM1_PWM_Init(800,0);//不分频。PWM频率=72000/(899+1)=80Khz
Adc_Init(); //ADC初始化
delay_init(); //延时函数初始化
uart_init(9600); //串口初始化为9600
//LED_Init(); //初始化与LED连接的硬件接口
LCD_Init();
/* pwm控速 */
/* if(TVOC3>=0.000 && TVOC3<=0.618)
{
TIM_SetCompare1(TIM1,630); //驱动输出电压
}
else if (TVOC3>0.618 && TVOC3<=1.273)
{
TIM_SetCompare1(TIM1,650); //驱动输出电压
}
else if (TVOC3>1.273 && TVOC3<=1.819)
{
TIM_SetCompare1(TIM1,899); //驱动输出电压
}
*/
// TIM_SetCompare1(TIM1,670); //驱动输出电压
//sprintf((char*)lcd_id,"%04X",0x8890);//lcddev.id);//将LCD ID打印到lcd_id数组。
while(DHT11_Init()) //DHT11初始化
{
LCD_ShowString(30,130,200,16,16,"Ready!!!");
delay_ms(200);
LCD_Fill(30,130,239,130+16,WHITE);
delay_ms(200);
}
while(1)
{
sprintf((char*)lcd_id,"%f",temp);//TVOC());
switch(x)
{
case 0:LCD_Clear(WHITE);break;
}
DHT11_Read_Data(&temperature,&humidity);//读取温湿度值
LCD_ShowNum(160,100,temperature,2,16); //显示温度
LCD_ShowNum(140,70,humidity,2,16); //显示湿度
Display();
adcx=Get_Adc_Average(ADC_Channel_14,10); //采集端口ADC
temp=(float)adcx*(3.3/4096);
adcx=temp;
TVOC(temp);//电压值转甲醛值，TVOC3
CH2O(temp);//电压值转CH20， CH2O1
LCD_ShowxNum(100,130,TVOC3,1,16,0);
TVOC3-=(u16)TVOC3;
TVOC3*=1000;
LCD_ShowxNum(116,130,TVOC3,3,16,0X80);
LCD_ShowxNum(100,160,CH2O1,1,16,0);
CH2O1-=(u16)CH2O1;
CH2O1*=1000;
LCD_ShowxNum(116,160,CH2O1,3,16,0X80);
/* pwm控速 */
if(TVOC3<0.234)
{
TIM_SetCompare1(TIM1,0); //驱动输出电压
}
else if(TVOC3>=0.234 && TVOC3<=0.618)
{
TIM_SetCompare1(TIM1,500); //驱动输出电压
}
else if(TVOC3>0.618 && TVOC3<=1.273)
{
TIM_SetCompare1(TIM1,700); //驱动输出电压
}
else if(TVOC3>1.273 )// && TVOC3<=1.819)
{
TIM_SetCompare1(TIM1,800); //驱动输出电压
}
x++;
if(x==12) x=0;
LED0=!LED0;
delay_ms(1000);
}
}
void Display(void)
{
POINT_COLOR=RED;
LCD_ShowString(60,20,200,24,24,"Healthy Breathing");
LCD_ShowString(60,70,200,16,16,"HUMIDITY:");
LCD_ShowString(160,70,200,16,16,"%");
LCD_ShowString(175,100,200,16,16," oC");
LCD_ShowString(60,100,200,16,16,"TEMPERATURE:");
LCD_ShowString(60,130,200,16,16,"TVOC:0.000 ppm");
LCD_ShowString(60,160,200,16,16,"CH2O:0.000 ppm");
// LCD_ShowString(60,198,200,24,24,"DEGREE :");
}

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