#include "sys.h" #include "delay.h" #include "usart.h" #include "LED.h" #include "lcd.h" #include "image2lcd.h" #include "dht11.h" #include "zph01.h" #include "time.h" //! 屏蔽编译器对LCD显示中文字符串函数的警告 #pragma diag_suppress 870 u8 pm25_lcd[6]={0},hh06_lcd[6]={0},dht11_flag=0; //! SWPU图标 extern const u8 gImage_swpu[]; //! 公交E图标 extern const u8 gImage_gongjiaoe[]; //! 定时器3标志,中断一次加一 extern u8 time3_flag,usart_time,time_hours,time_minutes,time_seconds; //! 串口2数据缓存Buffer和标志,串口1噪音数据,串口2 pm2.5数据,串口3 GSM模块数据 extern u8 USART1_RX_BUF[7],USART2_RX_BUF[10],USART3_RX_BUF[75]; extern u16 USART1_RX_STA,USART2_RX_STA,USART3_RX_STA; //! 温湿度 u8 temperature=0,humidity=0; //! pm2.5,噪音数据的整数和小数 u8 pm25_zheng=0,pm25_xiao=0,hh06_zheng=0,hh06_xiao=0; //! 图片显示标志 u8 Image_flag=0; void lcd_display(void); void data_pros(void); void data_pm25(void); void data_hh06(void); //! 串口1和串口2使能,禁止函数 void disadle_uart(void); void enadle_uart(void); //********************************************************************// //! 函数名:main //! 功能:主函数 //! 输入:none //! 输出:none //********************************************************************// int main(void) { //! flag_dht11为读取温湿度数据延时三个主周期而设置,主循环周期大于300ms u8 CheckSum=0,j=0,flag_dht11=0; //! GSM模块上传数据buffer u8 send[36]={0}; //! 中断优先级配置,四个抢占优先级,四个副优先级 NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); //! LCD初始化 LCD_Init(); //! LED灯GPIO初始化 LED_GPIO_Config(); //! 延时1.5秒 delay_ms(1500); //! 开启LCD显示 lcd_display(); //! 串口1初始化 噪音数据接口 uart1_init(115200); //! 串口2初始化 pm2.5数据接口 uart2_init(9600); //! 串口3初始化 GSM模块 uart3_init(115200); //! 延时1秒 delay_ms(1000); dht11_flag=1; //! 初始化DHT11 if(DHT11_Init()) { dht11_flag=1; } else { //! 100 纵坐标,10 横坐标 LCD_ShowString(100,10,80,24,24,"Error"); dht11_flag=0; } //! 定时器3初始化,定时1秒 time3_init(2000,35999); delay_ms(500); //! 关闭串口1,2 disadle_uart(); //! 主循环 while(1) { //! DHT11读取计数 flag_dht11++; //! 点亮LED2 LED2_ON; //! 点亮LED1 LED1_ON; //! 温度采集周期大概900ms if(flag_dht11==3) { //! 清标志 flag_dht11=0; //! DHT11数据读取过程大于100ms data_pros(); } //! 只允许在这300ms开启串口,读取传感器数据 enadle_uart(); delay_ms(150); LED1_OFF; delay_ms(150); disadle_uart(); //! 噪音数据读取成功标志 if(USART1_RX_STA) { USART1_RX_STA=0; data_hh06(); } if(usart_time==15) { usart_time=0; Image_flag=~Image_flag; //! 延时5ms是为了解决显示器死掉的问题,大概原因是刷新LCD的频率太高, //! 根本原因与中断中更新屏幕内容有关,如果在主函数中正在更新屏幕,但是中断又更新,可能出现错误 delay_ms(5); //! 在坐标(0,160)到坐标(319,239)区域填充白色 LCD_Fill(0,167,319,239,WHITE); //! 图标刷新标志有效,并且定时器没进定时器中断 if(Image_flag && (TIM_GetITStatus(TIM3,TIM_IT_Update)!=SET)) { delay_ms(5); //! 显示SWPU图标 image_display(45,167,(u8*) gImage_swpu); } if((Image_flag==0)&&(TIM_GetITStatus(TIM3,TIM_IT_Update)!=SET)) { //! 显示公交E图标 delay_ms(5); image_display(45,167,(u8*) gImage_gongjiaoe); } delay_ms(50); //! 实际请求网址ַ:http://xkmg9m2k.qcloud.la/weapp/usrcloud?a=255&b=1&c=18&d=15&e=1&f=12&g=50&h=3&i=0 //! 域名已在GSM模块中配置,这里仅需配置参数 if(dht11_flag==1) //get请求参数:a=255&b=1&c=18&d=15&e=1&f=12&g=50&h=3&i=0 { send[0]='a'; send[1]='='; send[2]=0xFF; send[3]='&'; send[4]='b'; send[5]='='; //! 需加48转换成对应的ASCII码,否则服务器无法读出数据 send[6]=1+48; send[7]='&'; send[8]='c'; send[9]='='; send[10]=temperature+48; send[11]='&'; send[12]='d'; send[13]='='; send[14]=humidity+48; send[15]='&'; send[16]='e'; send[17]='='; send[18]=pm25_zheng+48; send[19]='&'; send[20]='f'; send[21]='='; send[22]=pm25_xiao+48; send[23]='&'; send[24]='g'; send[25]='='; send[26]=hh06_zheng+48; send[27]='&'; send[28]='h'; send[29]='='; send[30]=hh06_xiao+48; send[31]='&'; send[32]='i'; send[33]='='; send[34]=0+48; send[35]='\0'; //! 向服务器发送请求 USART_SendString(USART3,send); } else { send[0]='a'; send[1]='='; send[2]=0xfe; send[35]='\0'; //! 向服务器发送错误标志 USART_SendString(USART3,send); } enadle_uart(); } //! 串口收到pm2.5数据 if(USART2_RX_STA) { USART2_RX_STA=0; CheckSum=FucCheckSum(USART2_RX_BUF,9); if(CheckSum==USART2_RX_BUF[8]) { data_pm25(); } } //! GMS串口模块,数据为服务器返回的字符串: //! {"a":0,"b":0,"c":0,"d":0,"e":0,"f":2,"g":12,"h":21,"i":22,"j":2} //! a为系统状态;b为公交车状态;c为到达时间;d为车到站牌距离的整数;e为距离的小数;f为服务器时间星期几; //! g为服务器时间日期;hij分别为服务器时间时分秒 //! 串口收到一帧服务器的回复标志,站牌每15秒向服务器发送一次请求,请求发送后需要十二三秒才能收到回复(2G网络) //! 返回数据为字符串,长度小于75字节但是不固定 if(USART3_RX_STA) { u8 m=0; u8 bus_flag=48,system_flag=48,arrivaltime=0,distance_h=0,distance_l=0,day=0,date=0,hours=0,minutes=0,seconds=0; LED2_OFF; USART3_RX_STA=0; for(m=0;m<75;m++) { //! 系统状态 if(USART3_RX_BUF[m]=='a') { bus_flag=USART3_RX_BUF[m+3]; if(bus_flag-48==1) { GUI_Chinese_Text(188,78,"运行中",6,0x0000,0xffff); } else GUI_Chinese_Text(188,78,"待发车",6,0x0000,0xffff); } //! 公交车状态 if(USART3_RX_BUF[m]=='b') { system_flag=USART3_RX_BUF[m+3]; if(system_flag-48==1) { LCD_Fill(114,30,122,46,WHITE); LCD_ShowString(90,30,24,16,16,"OK!"); } else LCD_ShowString(90,30,32,16,16,"OFF!"); } //! 公交车到达站台时间,单位:分钟 if(USART3_RX_BUF[m]=='c') { //! 区分到达时间分钟数为一位还是两位,需做不同处理 //! 分钟数为一位 if(USART3_RX_BUF[m+4]==',') { arrivaltime=USART3_RX_BUF[m+3]-48; LCD_Fill(133,78,141,94,WHITE); LCD_ShowxNum(141,78,arrivaltime,1,16,0); //! 分钟数为两位 } else { arrivaltime=(USART3_RX_BUF[m+3]-48)*10+USART3_RX_BUF[m+4]-48; LCD_ShowxNum(133,78,arrivaltime,2,16,0); } } //! 公交车到站台的距离整数,单位:米 if(USART3_RX_BUF[m]=='d') { if(USART3_RX_BUF[m+4]==',') { distance_h=USART3_RX_BUF[m+3]-48; LCD_Fill(61,78,69,94,WHITE); //! LCD显示区域,按像素点计算,下同 //! 69=57+4+8 LCD_ShowxNum(69,78,distance_h,1,16,0); }else{ distance_h=(USART3_RX_BUF[m+3]-48)*10+USART3_RX_BUF[m+4]-48; //! 61=57+4 LCD_ShowxNum(61,78,distance_h,2,16,0); } } //! 公交车到站台的距离小数,单位:米 if(USART3_RX_BUF[m]=='e') { if(USART3_RX_BUF[m+4]==',') { distance_l=USART3_RX_BUF[m+3]-48; LCD_Fill(85,78,93,94,WHITE); //!　77=61+16 LCD_ShowxNum(77,78,distance_l,1,16,0); } else { distance_l=(USART3_RX_BUF[m+3]-48)*10+USART3_RX_BUF[m+4]-48; //! 77=61+16 LCD_ShowxNum(77,78,distance_l,2,16,0); } } //! 当前服务器时间星期几 if(USART3_RX_BUF[m]=='f') { day=USART3_RX_BUF[m+3]-48; switch(day) { case 1: //! 162+2*8+3=181 GUI_Chinese_Text(181,10,"星期一",6,0x0000,0xffff); break; case 2: //! 162+2*8+3=181 GUI_Chinese_Text(181,10,"星期二",6,0x0000,0xffff); break; case 3: //! 162+2*8+3=181 GUI_Chinese_Text(181,10,"星期三",6,0x0000,0xffff); break; case 4: //! 162+2*8+3=181 GUI_Chinese_Text(181,10,"星期四",6,0x0000,0xffff); break; case 5: //! 162+2*8+3=181 GUI_Chinese_Text(181,10,"星期五",6,0x0000,0xffff); break; case 6: //! 162+2*8+3=181 GUI_Chinese_Text(181,10,"星期六",6,0x0000,0xffff); break; case 7: //! 162+2*8+3=181 GUI_Chinese_Text(181,10,"星期日",6,0x0000,0xffff); break; default: break; } } //! 当前服务器时间日期 if(USART3_RX_BUF[m]=='g') { if(USART3_RX_BUF[m+4]==',') { date=USART3_RX_BUF[m+3]-48; LCD_Fill(82,10,90,26,WHITE); //! 90=82+8 LCD_ShowxNum(90,10,date,1,16,0); } else { date=(USART3_RX_BUF[m+3]-48)*10+USART3_RX_BUF[m+4]-48; //! 66+16=82 LCD_ShowxNum(82,10,date,2,16,0); } } //! 服务器当前时间:时 if(USART3_RX_BUF[m]=='h') { if(USART3_RX_BUF[m+4]==',') { hours=USART3_RX_BUF[m+3]-48; time_hours=hours; //! 98+16=114 LCD_ShowxNum(114,10,0,1,16,0); //! 98+16+8=122 LCD_ShowxNum(122,10,hours,1,16,0); } else { hours=(USART3_RX_BUF[m+3]-48)*10+USART3_RX_BUF[m+4]-48; time_hours=hours; //! 98+16=114 LCD_ShowxNum(114,10,hours,2,16,0); } } //! 服务器时间:分 if(USART3_RX_BUF[m]=='i') { if(USART3_RX_BUF[m+4]==',') { minutes=USART3_RX_BUF[m+3]-48; time_minutes=minutes; //! 130+8=138 LCD_ShowxNum(138,10,0,1,16,0); //! 130+8+8=146 LCD_ShowxNum(146,10,minutes,1,16,0); } else { minutes=(USART3_RX_BUF[m+3]-48)*10+USART3_RX_BUF[m+4]-48; time_minutes=minutes; //! 130+8=138 LCD_ShowxNum(138,10,minutes,2,16,0); } } //! 服务器时间:秒 if(USART3_RX_BUF[m]=='j') { //! 通过判断数据结束大括弧位置确定 if(USART3_RX_BUF[m+4]=='}') { seconds=USART3_RX_BUF[m+3]-48; time_seconds=seconds; //! 154+8=162 LCD_ShowxNum(162,10,0,1,16,0); //! 154+8+8=170 LCD_ShowxNum(170,10,seconds,1,16,0); } else { seconds=(USART3_RX_BUF[m+3]-48)*10+USART3_RX_BUF[m+4]-48; time_seconds=seconds; //! 154+8=162 LCD_ShowxNum(162,10,seconds,2,16,0); } } } //! 清空数据buffer for(j=0;j<=75;j++) { USART3_RX_BUF[j]=0; } } } } //********************************************************************// //! 函数名:lcd_display //! 功能:LCD固定内容显示,初始化完成调用一次 //! 输入:none //! 输出:none //********************************************************************// void lcd_display(void) { //! 清屏 LCD_Clear(WHITE); //! 显示默认时间,数据依次含义:开始显示点横纵坐标;要显示的数;数的位数;区域大小;叠加方式 LCD_ShowxNum(10,10,2018,4,16,1); //! 4*8+10=42 GUI_Chinese_Text(42,10,"年",2,0x0000,0xffff); //! 42+16=58 LCD_ShowxNum(58,10,6,1,16,1); //! 58+8=66 GUI_Chinese_Text(66,10,"月",2,0x0000,0xffff); //! 66+16=82 LCD_ShowxNum(82,10,7,2,16,1); //! 82+8*2=98 GUI_Chinese_Text(98,10,"日",2,0x0000,0xffff); //! 98+16=114 LCD_ShowxNum(114,10,13,2,16,1); //! 114+2*8=130 LCD_ShowString(130,9,8,16,16,":"); //! 130+8=138 LCD_ShowxNum(138,10,47,2,16,1); //! 138+2*8=154 LCD_ShowString(154,9,8,16,16,":"); //! 154+8=162 LCD_ShowxNum(162,10,50,2,16,1); //! 162+2*8+3=181 GUI_Chinese_Text(181,10,"星期四",6,0x0000,0xffff); //! 行间距4像素,第二行30=16+10+4 GUI_Chinese_Text(10,30,"系统状态",10,0x0000,0xffff); //! 10+5*16=90 LCD_ShowString(90,30,32,16,16,"OFF!"); //! 画表格 //! (0,50)-->(239,50) 50=30+16+4 LCD_DrawLine(0,50,239,50); //! (0,74)-->(239,74) LCD_DrawLine(0,74,239,74); //! (0,98)-->(239,98) LCD_DrawLine(0,98,239,98); //! (0,122)-->(239,122) LCD_DrawLine(0,122,239,122); //! (57,50)-->(57,122) LCD_DrawLine(57,50,57,122); //! (114,50)-->(114,122) LCD_DrawLine(114,50,114,122); //! (184,50)-->(184,122) LCD_DrawLine(184,50,184,122); //! 填充表格内容 GUI_Chinese_Text(12,54,"线路",4,0x0000,0xffff); GUI_Chinese_Text(70,54,"距离",4,0x0000,0xffff); GUI_Chinese_Text(133,54,"时间",4,0x0000,0xffff); GUI_Chinese_Text(196,54,"状态",4,0x0000,0xffff); LCD_ShowString(12,78,16,16,16,"XX"); GUI_Chinese_Text(28,78,"路",2,0x0000,0xffff); //! 93=89+4 GUI_Chinese_Text(93,78,"米",2,0x0000,0xffff); GUI_Chinese_Text(117,78,"约",2,0x0000,0xffff); GUI_Chinese_Text(149,78,"分钟",4,0x0000,0xffff); GUI_Chinese_Text(188,78,"待发车",6,0x0000,0xffff); //! 0~3共四像素 GUI_Chinese_Text(3,126,"气温",6,0x0000,0xffff); //! 67=3+16*3+8*2 GUI_Chinese_Text(67,126,"度",2,0x0000,0xffff); //! 87=67+16+4 GUI_Chinese_Text(87,126,"颗粒物",8,0x0000,0xffff); //! 199=87+4*16+6*8 LCD_ShowString(199,126,40,16,16,"ug/m3"); //! 146=126+16+4 GUI_Chinese_Text(3,146,"湿度",6,0x0000,0xffff); //! 67=51+16 LCD_ShowString(67,146,24,16,16,"%rh"); //! 103=87+3*16-2*16 GUI_Chinese_Text(103,146,"噪音",6,0x0000,0xffff); LCD_ShowString(191,146,16,16,16,"dB"); } //********************************************************************// //! 函数名:data_pros //! 功能:温湿度数据处理 //! 输入:none //! 输出:none //********************************************************************// void data_pros(void) { u8 temp; u8 humi; u8 temp_buf[3],humi_buf[3]; //! 关闭定时器,避免打断数据处理过程 TIM_ITConfig(TIM3, TIM_IT_Update, DISABLE); //! 温湿度数据读取核心函数,模拟dht11的通信时序,要求us级精确延时 DHT11_Read_Data(&temp,&humi); //! 打开定时器 TIM_ITConfig(TIM3, TIM_IT_Update, ENABLE); temp_buf[0]=temp/10+0x30; temp_buf[1]=temp%10+0x30; temp_buf[2]='\0'; delay_ms(5); //! 51=3+16*3 LCD_ShowString(51,126,16,16,16,temp_buf); humi_buf[0]=humi/10+0x30; humi_buf[1]=humi%10+0x30; humi_buf[2]='\0'; delay_ms(5); //! 51=3+6*8 LCD_ShowString(51,146,16,16,16,humi_buf); temperature = temp; humidity = humi; } //********************************************************************// //! 函数名:data_pm25 //! 功能:pm2.5数据处理 //! 输入:none //! 输出:none //********************************************************************// void data_pm25(void) { u8 z=0,x=0; u32 density=0; //! 整数部分 z=USART2_RX_BUF[3]; //! 小数部分 x=USART2_RX_BUF[4]; density=z*20*100 + x*20; pm25_zheng=z; pm25_xiao=x; pm25_lcd[0]=(u8)(density/1000)+0x30; pm25_lcd[1]=(u8)(density%1000/100)+0x30; pm25_lcd[2]='.'; pm25_lcd[3]=(u8)(density%100/10)+0x30; pm25_lcd[4]=(u8)(density%10)+0x30; pm25_lcd[5]='\0'; delay_ms(5); LCD_ShowString(151,126,40,16,16,pm25_lcd); } //********************************************************************// //! 函数名:data_hh06 //! 功能:噪音数据处理 //! 输入:none //! 输出:none //********************************************************************// void data_hh06(void) { u8 h,l; u16 date=0; h=USART1_RX_BUF[4]; l=USART1_RX_BUF[3]; date=((u16)(h)<<8)|(u16)(l); hh06_zheng=(u8)(date/1000)*100+(u8)((date%1000)/100)*10+(u8)((date%100)/10); hh06_xiao=(u8)(date%10); hh06_lcd[0]=(u8)(date/1000)+0x30; hh06_lcd[1]=(u8)((date%1000)/100)+0x30; hh06_lcd[2]=(u8)((date%100)/10)+0x30; hh06_lcd[3]='.'; hh06_lcd[4]=(u8)(date%10)+0x30; hh06_lcd[5]='\0'; delay_ms(3); LCD_ShowString(151,146,40,16,16,hh06_lcd); delay_ms(3); } //********************************************************************// //! 函数名:disadle_uart //! 功能:关闭串口1,2 //! 输入:none //! 输出:none //********************************************************************// void disadle_uart(void) { USART_Cmd(USART1,DISABLE); USART_Cmd(USART2,DISABLE); } //********************************************************************// //! 函数名:enadle_uart //! 功能:开启串口1,2 //! 输入:none //! 输出:none //********************************************************************// void enadle_uart(void) { USART_Cmd(USART1,ENABLE); USART_Cmd(USART2,ENABLE); }