hadif azli / Mbed 2 deprecated TEST123

BLYNK TEST

Dependencies:   mbed Blynk

sensor.h@4:e5018e5ba340, 2016-06-16 (annotated)

Committer:
lixianyu
Date:
Thu Jun 16 08:12:33 2016 +0000
Revision:
4:e5018e5ba340
Parent:
3:4cd9171ba989 
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Who changed what in which revision?

UserRevisionLine numberNew contents of line
lixianyu 0:d8f4c441e032 1 #include "MicroduinoPinNames.h"
lixianyu 3:4cd9171ba989 2 #include "Config.h"
lixianyu 2:6cd3b0947188 3 #include "AM2321.h"
lixianyu 0:d8f4c441e032 4
lixianyu 2:6cd3b0947188 5 extern Serial pc;
lixianyu 2:6cd3b0947188 6 #define INTERVAL_pm25 200
lixianyu 0:d8f4c441e032 7
lixianyu 0:d8f4c441e032 8 //SoftwareSerial pmSerial(4,5); //PM2.5传感器通讯软串口
lixianyu 3:4cd9171ba989 9 #ifdef OPEN_PM25
lixianyu 2:6cd3b0947188 10 Serial pmSerial(D5, D4); //tx,rx
lixianyu 3:4cd9171ba989 11 #endif
lixianyu 0:d8f4c441e032 12 AnalogIn gLight(A0);
lixianyu 0:d8f4c441e032 13 AnalogIn gCH4(A2);
lixianyu 2:6cd3b0947188 14 AM2321 am2321;
lixianyu 0:d8f4c441e032 15
lixianyu 1:0e75de2a5d21 16 float sensor_tem,sensor_hum,sensor_light,Sensor_etoh;
lixianyu 0:d8f4c441e032 17
lixianyu 3:4cd9171ba989 18 float sensorPM25 = 6.6;
lixianyu 0:d8f4c441e032 19
lixianyu 0:d8f4c441e032 20 long map(long x, long in_min, long in_max, long out_min, long out_max)
lixianyu 0:d8f4c441e032 21 {
lixianyu 0:d8f4c441e032 22 return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
lixianyu 0:d8f4c441e032 23 }
lixianyu 0:d8f4c441e032 24
lixianyu 3:4cd9171ba989 25 #ifdef OPEN_PM25
lixianyu 2:6cd3b0947188 26 void PM25_init(void)
lixianyu 2:6cd3b0947188 27 {
lixianyu 2:6cd3b0947188 28 //pc.printf("Enter PM25_init\r\n");
lixianyu 2:6cd3b0947188 29 pmSerial.baud(2400);
lixianyu 2:6cd3b0947188 30 }
lixianyu 2:6cd3b0947188 31
lixianyu 0:d8f4c441e032 32 // 读取PM2.5传感器
lixianyu 2:6cd3b0947188 33 void PM25()
lixianyu 0:d8f4c441e032 34 {
lixianyu 2:6cd3b0947188 35 //pc.printf("Enter PM25()\r\n");
lixianyu 0:d8f4c441e032 36 int data_s = 0; //串口接收数据
lixianyu 0:d8f4c441e032 37 int num = -1; //串口接收数据计数
lixianyu 0:d8f4c441e032 38 int sum = 0; //校验和
lixianyu 0:d8f4c441e032 39 int cal[6]; //接收数据缓存
lixianyu 0:d8f4c441e032 40 float dustDensity = 0; //PM2.5浓度
lixianyu 0:d8f4c441e032 41
lixianyu 0:d8f4c441e032 42 //pmSerial.begin(2400); //首先启动软串口
lixianyu 2:6cd3b0947188 43 //pmSerial.baud(2400);
lixianyu 0:d8f4c441e032 44 //pmSerial.flush(); //清空串口缓存
lixianyu 0:d8f4c441e032 45
lixianyu 0:d8f4c441e032 46 while(1) {
lixianyu 2:6cd3b0947188 47 //pc.printf("PM25:while(1)\r\n");
lixianyu 0:d8f4c441e032 48 //if(pmSerial.available() > 0) { //串口缓存有数据
lixianyu 0:d8f4c441e032 49 if (pmSerial.readable() > 0) {
lixianyu 2:6cd3b0947188 50 //if ((data_s = pmSerial.getc()) != 0) {
lixianyu 2:6cd3b0947188 51 //myled = 0;
lixianyu 2:6cd3b0947188 52 //pc.printf("readable() > 0\r\n");
lixianyu 0:d8f4c441e032 53 //data_s = pmSerial.read(); //读取串口缓存数据
lixianyu 0:d8f4c441e032 54 data_s = pmSerial.getc();
lixianyu 0:d8f4c441e032 55 if(data_s == 0xAA) { //得到数据帧起始位
lixianyu 0:d8f4c441e032 56 num = 0; //开始计数
lixianyu 0:d8f4c441e032 57 } else if(num >= 0) {
lixianyu 0:d8f4c441e032 58 num++; //读到数据，计数+1
lixianyu 0:d8f4c441e032 59 cal[num-1] = data_s; //数据保存到缓存中
lixianyu 0:d8f4c441e032 60 if(num == 6) { //读到数据帧最后一位
lixianyu 0:d8f4c441e032 61 sum = cal[0] + cal[1] + cal[2] + cal[3]; //计算校验和
lixianyu 0:d8f4c441e032 62 if(sum == cal[4] && cal[5] == 0xFF) { //校验和匹配，数据帧最后一位为0xFF，说明接收的数据帧正常
lixianyu 0:d8f4c441e032 63 dustDensity = (cal[0]*256 + cal[1])*(5.0/1024)*550; //计算PM2.5浓度，单位ug/m3
lixianyu 0:d8f4c441e032 64 } else { //接收的数据不正常
lixianyu 0:d8f4c441e032 65 dustDensity = 0; //浓度清零
lixianyu 0:d8f4c441e032 66 }
lixianyu 0:d8f4c441e032 67 break;
lixianyu 0:d8f4c441e032 68 }
lixianyu 0:d8f4c441e032 69 }
lixianyu 0:d8f4c441e032 70 }
lixianyu 0:d8f4c441e032 71 }
lixianyu 0:d8f4c441e032 72 //pmSerial.end(); //关闭软串口
lixianyu 2:6cd3b0947188 73 //return dustDensity; //返回值
lixianyu 2:6cd3b0947188 74 sensorPM25 = dustDensity;
lixianyu 2:6cd3b0947188 75 //pc.printf("sensorPM25 = %f\r\n", sensorPM25);
lixianyu 0:d8f4c441e032 76 }
lixianyu 3:4cd9171ba989 77 #endif
lixianyu 0:d8f4c441e032 78
lixianyu 0:d8f4c441e032 79 // 读取光照传感器
lixianyu 0:d8f4c441e032 80 void updateLight()
lixianyu 0:d8f4c441e032 81 {
lixianyu 0:d8f4c441e032 82 //sensor_light = map(analogRead(A0), 0, 1023, 0, 255);
lixianyu 3:4cd9171ba989 83 //float lvf = gLight;
lixianyu 2:6cd3b0947188 84 uint16_t lt = gLight.read_u16();
lixianyu 2:6cd3b0947188 85 //pc.printf("light = %d, lvf = %f\r\n", lt, lvf);
lixianyu 2:6cd3b0947188 86 sensor_light = map(lt, 0, 65535, 0, 255);// 这里和Arduino不一样，不知道为什么
lixianyu 0:d8f4c441e032 87 }
lixianyu 0:d8f4c441e032 88
lixianyu 0:d8f4c441e032 89 // 读取甲醛传感器
lixianyu 0:d8f4c441e032 90 void updateCH4()
lixianyu 0:d8f4c441e032 91 {
lixianyu 3:4cd9171ba989 92 sensorPM25 += 1.0;
lixianyu 0:d8f4c441e032 93 //Sensor_etoh = map(analogRead(A2), 0, 1023, 0, 30);
lixianyu 2:6cd3b0947188 94 uint16_t ch4 = gCH4.read_u16();
lixianyu 2:6cd3b0947188 95 Sensor_etoh = map(ch4, 0, 65535, 0, 30);
lixianyu 2:6cd3b0947188 96 //pc.printf("CH4 = %d\r\n", ch4);
lixianyu 0:d8f4c441e032 97 }
lixianyu 0:d8f4c441e032 98
lixianyu 0:d8f4c441e032 99 // 读取温湿度传感器
lixianyu 0:d8f4c441e032 100 void updateTempHumi()
lixianyu 0:d8f4c441e032 101 {
lixianyu 2:6cd3b0947188 102 static uint32_t cot = 0;
lixianyu 2:6cd3b0947188 103 cot++;
lixianyu 2:6cd3b0947188 104
lixianyu 2:6cd3b0947188 105 #if 1
lixianyu 0:d8f4c441e032 106 am2321.read();
lixianyu 0:d8f4c441e032 107 sensor_tem = am2321.temperature / 10.0;
lixianyu 0:d8f4c441e032 108 sensor_hum = am2321.humidity / 10.0;
lixianyu 2:6cd3b0947188 109 #endif
lixianyu 2:6cd3b0947188 110 //pc.printf("%u:temp = %.1f, hum = %.1f\r\n",cot, sensor_tem, sensor_hum);
lixianyu 0:d8f4c441e032 111 }