Joel Shearon / Mbed 2 deprecated IoT_Weather_Station

Basic IoT demo of sensor data going to one phone and data push is controlled by another phone.

Dependencies:   HTU21D SCP1000 TMP36 mbed

main.cpp@1:bb2fc6537dcc, 2016-03-08 (annotated)

Committer:
hippi345
Date:
Tue Mar 08 14:18:34 2016 +0000
Revision:
1:bb2fc6537dcc
Parent:
0:8ed55ae36c54 
first commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
hippi345 0:8ed55ae36c54 1 //Joel Shearon and Van Mang ECE 4180 Mini Project
hippi345 0:8ed55ae36c54 2 #include "mbed.h"
hippi345 0:8ed55ae36c54 3 #include "HTU21D.h"
hippi345 0:8ed55ae36c54 4 #include "TMP36.h"
hippi345 0:8ed55ae36c54 5 #include "string"
hippi345 0:8ed55ae36c54 6 #include "SCP1000.h"
hippi345 0:8ed55ae36c54 7 SCP1000 scp1000(p5,p6,p7,p8);
hippi345 0:8ed55ae36c54 8 TMP36 tmp36(p20);
hippi345 0:8ed55ae36c54 9 Ticker flipper;
hippi345 0:8ed55ae36c54 10 AnalogIn photocell(p15);
hippi345 0:8ed55ae36c54 11 string sun;
hippi345 0:8ed55ae36c54 12 PwmOut myled(LED1);
hippi345 0:8ed55ae36c54 13 RawSerial dev(p28,p27);
hippi345 0:8ed55ae36c54 14 RawSerial ble(p13,p14);
hippi345 0:8ed55ae36c54 15 DigitalOut led1(LED3);
hippi345 0:8ed55ae36c54 16 DigitalOut led4(LED4);
hippi345 0:8ed55ae36c54 17 Serial pc(USBTX, USBRX);
hippi345 0:8ed55ae36c54 18 HTU21D temphumid(p9, p10); // Temp Module || sda, SCL
hippi345 0:8ed55ae36c54 19 string options[7] = {"moonless cloudy night \n\r"
hippi345 0:8ed55ae36c54 20 ,"moonlit night \n\r"
hippi345 0:8ed55ae36c54 21 ,"dark room\n\r"
hippi345 0:8ed55ae36c54 22 ,"dark overcast day \n\r"
hippi345 0:8ed55ae36c54 23 ,"overcast day \n\r"
hippi345 0:8ed55ae36c54 24 ,"full day \n\r"
hippi345 0:8ed55ae36c54 25 ,"full sun \n\r"};
hippi345 0:8ed55ae36c54 26
hippi345 0:8ed55ae36c54 27 void dev_recv()
hippi345 0:8ed55ae36c54 28 {
hippi345 0:8ed55ae36c54 29 led1 = !led1;
hippi345 0:8ed55ae36c54 30 while(dev.readable()) {
hippi345 0:8ed55ae36c54 31 pc.putc(dev.getc());
hippi345 0:8ed55ae36c54 32 }
hippi345 0:8ed55ae36c54 33 }
hippi345 0:8ed55ae36c54 34
hippi345 0:8ed55ae36c54 35 void pc_recv()
hippi345 0:8ed55ae36c54 36 {
hippi345 0:8ed55ae36c54 37 led4 = !led4;
hippi345 0:8ed55ae36c54 38 while(pc.readable()) {
hippi345 0:8ed55ae36c54 39 dev.putc(pc.getc());
hippi345 0:8ed55ae36c54 40 }
hippi345 0:8ed55ae36c54 41 }
hippi345 0:8ed55ae36c54 42
hippi345 0:8ed55ae36c54 43 void flip() {
hippi345 0:8ed55ae36c54 44 float readPhoto = photocell.read()*3.3;
hippi345 0:8ed55ae36c54 45 if (readPhoto < 0.15f)
hippi345 0:8ed55ae36c54 46 { sun = options[0];
hippi345 0:8ed55ae36c54 47 }
hippi345 0:8ed55ae36c54 48 else if (readPhoto < 0.412f)
hippi345 0:8ed55ae36c54 49 { sun = options[1];
hippi345 0:8ed55ae36c54 50 }
hippi345 0:8ed55ae36c54 51 else if (readPhoto < 1.65f)
hippi345 0:8ed55ae36c54 52 { sun = options[2];
hippi345 0:8ed55ae36c54 53 }
hippi345 0:8ed55ae36c54 54 else if (readPhoto < 1.34f){
hippi345 0:8ed55ae36c54 55 sun = options[3];
hippi345 0:8ed55ae36c54 56 }
hippi345 0:8ed55ae36c54 57 else if (readPhoto < 3.2f)
hippi345 0:8ed55ae36c54 58 { sun = options[4];
hippi345 0:8ed55ae36c54 59 }
hippi345 0:8ed55ae36c54 60 else if (readPhoto < 3.26f)
hippi345 0:8ed55ae36c54 61 { sun = options[5];
hippi345 0:8ed55ae36c54 62 }
hippi345 0:8ed55ae36c54 63 else if (readPhoto >= 3.26f)
hippi345 0:8ed55ae36c54 64 { sun = options[6];
hippi345 0:8ed55ae36c54 65 }
hippi345 0:8ed55ae36c54 66 }
hippi345 0:8ed55ae36c54 67 //start of main
hippi345 0:8ed55ae36c54 68
hippi345 0:8ed55ae36c54 69 int main()
hippi345 0:8ed55ae36c54 70 {
hippi345 0:8ed55ae36c54 71 char bnum=0;
hippi345 0:8ed55ae36c54 72 char bhit=0;
hippi345 0:8ed55ae36c54 73 pc.baud(9600);
hippi345 0:8ed55ae36c54 74 dev.baud(9600);
hippi345 0:8ed55ae36c54 75 float tempC, tempF;
hippi345 0:8ed55ae36c54 76 pc.attach(&pc_recv, Serial::RxIrq);
hippi345 0:8ed55ae36c54 77 dev.attach(&dev_recv, Serial::RxIrq);
hippi345 0:8ed55ae36c54 78 flipper.attach(&flip, 1);
hippi345 0:8ed55ae36c54 79 while(1) {
hippi345 0:8ed55ae36c54 80 wait(1);
hippi345 0:8ed55ae36c54 81 //conversion to degrees C - from sensor output voltage per LM61 data sheet
hippi345 0:8ed55ae36c54 82 tempC = tmp36.read();
hippi345 0:8ed55ae36c54 83 //printf("percentage: %3.3f%%\n", tmp36.read());
hippi345 0:8ed55ae36c54 84 //wait(0.5);
hippi345 0:8ed55ae36c54 85 //convert to degrees F
hippi345 0:8ed55ae36c54 86 tempF = tmp36.readFah();
hippi345 0:8ed55ae36c54 87
hippi345 0:8ed55ae36c54 88 if (ble.getc()=='!') {
hippi345 0:8ed55ae36c54 89 if (ble.getc()=='B') { //button data packet
hippi345 0:8ed55ae36c54 90 bnum = ble.getc(); //button number
hippi345 0:8ed55ae36c54 91 bhit = ble.getc(); //1=hit, 0=release
hippi345 0:8ed55ae36c54 92 if (ble.getc()==char(~('!' + 'B' + bnum + bhit))) { //checksum OK?
hippi345 0:8ed55ae36c54 93 myled = bnum - '0'; //current button number will appear on LEDs
hippi345 0:8ed55ae36c54 94 switch (bnum) {
hippi345 0:8ed55ae36c54 95 case '1': //number button 1
hippi345 0:8ed55ae36c54 96 if (bhit=='1') {
hippi345 0:8ed55ae36c54 97 //add hit code here
hippi345 0:8ed55ae36c54 98 } else {
hippi345 0:8ed55ae36c54 99 //dev.printf("1");
hippi345 0:8ed55ae36c54 100 tempC = tmp36.read();
hippi345 0:8ed55ae36c54 101 tempF = tmp36.readFah();
hippi345 0:8ed55ae36c54 102 dev.printf("%5.2F C %5.2F F \n\r", tempC, tempF);
hippi345 0:8ed55ae36c54 103 }
hippi345 0:8ed55ae36c54 104 break;
hippi345 0:8ed55ae36c54 105 case '2': //number button 2
hippi345 0:8ed55ae36c54 106 if (bhit=='1') {
hippi345 0:8ed55ae36c54 107 //add hit code here
hippi345 0:8ed55ae36c54 108 } else {
hippi345 0:8ed55ae36c54 109 //dev.printf("2");
hippi345 0:8ed55ae36c54 110 dev.printf("Humidity Is: %i %%\n\r", temphumid.sample_humid());
hippi345 0:8ed55ae36c54 111 }
hippi345 0:8ed55ae36c54 112 break;
hippi345 0:8ed55ae36c54 113 case '3': //number button 3
hippi345 0:8ed55ae36c54 114 if (bhit=='1') {
hippi345 0:8ed55ae36c54 115 //add hit code here
hippi345 0:8ed55ae36c54 116 } else {
hippi345 0:8ed55ae36c54 117 //dev.printf("3");
hippi345 0:8ed55ae36c54 118 dev.printf("the sun level is: %s", sun);
hippi345 0:8ed55ae36c54 119 }
hippi345 0:8ed55ae36c54 120 break;
hippi345 0:8ed55ae36c54 121 case '4': //number button 4
hippi345 0:8ed55ae36c54 122 if (bhit=='1') {
hippi345 0:8ed55ae36c54 123 //add hit code here
hippi345 0:8ed55ae36c54 124 } else {
hippi345 0:8ed55ae36c54 125 //dev.printf("4");
hippi345 0:8ed55ae36c54 126 dev.printf("The pressure is %d Pa", scp1000.readPressure());
hippi345 0:8ed55ae36c54 127 }
hippi345 0:8ed55ae36c54 128 break;
hippi345 0:8ed55ae36c54 129 case '5': //button 5 up arrow
hippi345 0:8ed55ae36c54 130 if (bhit=='1') {
hippi345 0:8ed55ae36c54 131 //add hit code here
hippi345 0:8ed55ae36c54 132 } else {
hippi345 0:8ed55ae36c54 133 //dev.printf("5");
hippi345 0:8ed55ae36c54 134 tempC = tmp36.read();
hippi345 0:8ed55ae36c54 135 tempF = tmp36.readFah();
hippi345 0:8ed55ae36c54 136 dev.printf("%5.2F C %5.2F F \n\r", tempC, tempF);
hippi345 0:8ed55ae36c54 137 }
hippi345 0:8ed55ae36c54 138 break;
hippi345 0:8ed55ae36c54 139 case '6': //button 6 down arrow
hippi345 0:8ed55ae36c54 140 if (bhit=='1') {
hippi345 0:8ed55ae36c54 141 //add hit code here
hippi345 0:8ed55ae36c54 142 } else {
hippi345 0:8ed55ae36c54 143 //dev.printf("6");
hippi345 0:8ed55ae36c54 144 dev.printf("Humidity Is: %i %%\n\r", temphumid.sample_humid());
hippi345 0:8ed55ae36c54 145 }
hippi345 0:8ed55ae36c54 146 break;
hippi345 0:8ed55ae36c54 147 case '7': //button 7 left arrow
hippi345 0:8ed55ae36c54 148 if (bhit=='1') {
hippi345 0:8ed55ae36c54 149 //add hit code here
hippi345 0:8ed55ae36c54 150 } else {
hippi345 0:8ed55ae36c54 151 //dev.printf("7");
hippi345 0:8ed55ae36c54 152 dev.printf("the sun level is: %s", sun);
hippi345 0:8ed55ae36c54 153 }
hippi345 0:8ed55ae36c54 154 break;
hippi345 0:8ed55ae36c54 155 case '8': //button 8 right arrow
hippi345 0:8ed55ae36c54 156 if (bhit=='1') {
hippi345 0:8ed55ae36c54 157 //add hit code here
hippi345 0:8ed55ae36c54 158 } else {
hippi345 0:8ed55ae36c54 159 //dev.printf("8");
hippi345 0:8ed55ae36c54 160 dev.printf("The pressure is %d Pa", scp1000.readPressure());
hippi345 0:8ed55ae36c54 161 }
hippi345 0:8ed55ae36c54 162 break;
hippi345 0:8ed55ae36c54 163 default:
hippi345 0:8ed55ae36c54 164 break;
hippi345 0:8ed55ae36c54 165 }
hippi345 0:8ed55ae36c54 166 }
hippi345 0:8ed55ae36c54 167 }
hippi345 0:8ed55ae36c54 168 }
hippi345 0:8ed55ae36c54 169 }
hippi345 0:8ed55ae36c54 170 }