UH IoT / Mbed 2 deprecated IoT Project Final

Final Version

Dependencies:   C12832 LM75B PWM_Tone_Library mbed Grove_Air_Quality_Sensor_Library

main.cpp@8:458213f22315, 2018-01-02 (annotated)

Committer:
ko16aam
Date:
Tue Jan 02 16:12:44 2018 +0000
Revision:
8:458213f22315
Parent:
7:9f4b7b55f902 
Placement;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ko16aam 0:e9258aa72a94 1 #include "mbed.h"
Fleishmachine 4:4a1b31edb7b1 2 #include "pwm_tone.h"
ko16aam 0:e9258aa72a94 3 #include "C12832.h"
Fleishmachine 7:9f4b7b55f902 4
ko16aam 8:458213f22315 5 // Serial xbee1(p9, p10); //Creates a variable for serial communication through pin 9 and 10
Fleishmachine 7:9f4b7b55f902 6 Serial pc(USBTX, USBRX);//Opens up serial communication through the USB port via the computer
Fleishmachine 4:4a1b31edb7b1 7 C12832 lcd (p5, p7, p6, p8, p11);
Fleishmachine 7:9f4b7b55f902 8 AnalogIn air(p20);
Fleishmachine 4:4a1b31edb7b1 9 AnalogIn sensor(p17);
Fleishmachine 1:1ed4e4239ea6 10 PwmOut spkr(p26);
Fleishmachine 5:4d8495cf1c10 11 PwmOut r (p23); // red light
Fleishmachine 5:4d8495cf1c10 12 PwmOut g (p24); // green light
Fleishmachine 5:4d8495cf1c10 13 PwmOut b (p25); // blue light
Fleishmachine 6:6ae884c9757a 14 PwmOut Ctrl1(p21); //relay
Fleishmachine 6:6ae884c9757a 15 PwmOut Ctrl2(p22); //relay
Fleishmachine 7:9f4b7b55f902 16 BusOut leds(LED1); // blue LED1 when air quality is low
Fleishmachine 4:4a1b31edb7b1 17 BusIn Up(p15);
Fleishmachine 4:4a1b31edb7b1 18 BusIn Down(p12);
Fleishmachine 4:4a1b31edb7b1 19 BusIn Left(p13);
Fleishmachine 4:4a1b31edb7b1 20 BusIn Right(p16);
ko16aam 0:e9258aa72a94 21
Fleishmachine 7:9f4b7b55f902 22
Fleishmachine 7:9f4b7b55f902 23 float airValue;
ko16aam 8:458213f22315 24 float multiplier = 50; // this number got us closest to the reading on the multimeter temp probe
ko16aam 0:e9258aa72a94 25 float temp; // calculated temperature
Fleishmachine 1:1ed4e4239ea6 26 int count; // for computing average reading
Fleishmachine 1:1ed4e4239ea6 27 float total;
ko16aam 0:e9258aa72a94 28 float average;
Fleishmachine 4:4a1b31edb7b1 29 float max = 22;
Fleishmachine 4:4a1b31edb7b1 30 float min = 20;
Fleishmachine 4:4a1b31edb7b1 31 void initialize();
Fleishmachine 1:1ed4e4239ea6 32
Fleishmachine 7:9f4b7b55f902 33
Fleishmachine 4:4a1b31edb7b1 34 int main()
Fleishmachine 4:4a1b31edb7b1 35 {
Fleishmachine 4:4a1b31edb7b1 36 initialize();
Fleishmachine 1:1ed4e4239ea6 37 count = 0;
Fleishmachine 1:1ed4e4239ea6 38 total = 0.0;
Fleishmachine 5:4d8495cf1c10 39 r = 1;
Fleishmachine 5:4d8495cf1c10 40 b = 1;
Fleishmachine 5:4d8495cf1c10 41 g = 1;
ko16aam 8:458213f22315 42
Fleishmachine 1:1ed4e4239ea6 43
ko16aam 0:e9258aa72a94 44 while (1) {
Fleishmachine 7:9f4b7b55f902 45
ko16aam 0:e9258aa72a94 46 // formula is analog reading * multiplier
Fleishmachine 7:9f4b7b55f902 47 airValue = air.read()* 100; // returns voltage between 0 -> 1
ko16aam 0:e9258aa72a94 48 temp = sensor.read() * multiplier;
ko16aam 0:e9258aa72a94 49 count++;
ko16aam 0:e9258aa72a94 50 total += temp;
ko16aam 0:e9258aa72a94 51 average = total / count;
Fleishmachine 7:9f4b7b55f902 52
Fleishmachine 7:9f4b7b55f902 53
Fleishmachine 4:4a1b31edb7b1 54 if (Up)
Fleishmachine 4:4a1b31edb7b1 55 {
Fleishmachine 4:4a1b31edb7b1 56
Fleishmachine 4:4a1b31edb7b1 57 min++;
Fleishmachine 4:4a1b31edb7b1 58 }
Fleishmachine 4:4a1b31edb7b1 59
Fleishmachine 4:4a1b31edb7b1 60 if (Down)
Fleishmachine 4:4a1b31edb7b1 61 {
Fleishmachine 4:4a1b31edb7b1 62
Fleishmachine 4:4a1b31edb7b1 63 min--;
Fleishmachine 4:4a1b31edb7b1 64 }
Fleishmachine 4:4a1b31edb7b1 65 if (Left)
Fleishmachine 4:4a1b31edb7b1 66 {
Fleishmachine 4:4a1b31edb7b1 67
Fleishmachine 4:4a1b31edb7b1 68 max--;
Fleishmachine 4:4a1b31edb7b1 69 }
Fleishmachine 4:4a1b31edb7b1 70
Fleishmachine 4:4a1b31edb7b1 71 if (Right)
Fleishmachine 4:4a1b31edb7b1 72 {
Fleishmachine 4:4a1b31edb7b1 73
Fleishmachine 4:4a1b31edb7b1 74 max++;
Fleishmachine 4:4a1b31edb7b1 75 }
Fleishmachine 4:4a1b31edb7b1 76
Fleishmachine 4:4a1b31edb7b1 77
Fleishmachine 4:4a1b31edb7b1 78 if(temp > max)
ko16aam 3:9c4e6163a71b 79 {
Fleishmachine 5:4d8495cf1c10 80 r = 0; // red
Fleishmachine 5:4d8495cf1c10 81 g = 1; // green
Fleishmachine 5:4d8495cf1c10 82 b = 1; // blue
Fleishmachine 6:6ae884c9757a 83 Ctrl1 = 1;
Fleishmachine 6:6ae884c9757a 84 Ctrl2 = 0;
Fleishmachine 5:4d8495cf1c10 85
Fleishmachine 5:4d8495cf1c10 86 // value 0 - max
Fleishmachine 5:4d8495cf1c10 87 // value 1 - zero
Fleishmachine 5:4d8495cf1c10 88 // so values closer to zero 0 brighter than closer to 1
Fleishmachine 5:4d8495cf1c10 89
ko16aam 3:9c4e6163a71b 90 }
ko16aam 3:9c4e6163a71b 91 else
ko16aam 3:9c4e6163a71b 92 {
Fleishmachine 5:4d8495cf1c10 93 r = 1;
Fleishmachine 5:4d8495cf1c10 94 g = 0.25;
Fleishmachine 5:4d8495cf1c10 95 b = 1;
Fleishmachine 6:6ae884c9757a 96 Ctrl1 = 1;
Fleishmachine 6:6ae884c9757a 97 Ctrl2 = 1;
ko16aam 3:9c4e6163a71b 98 }
ko16aam 3:9c4e6163a71b 99
Fleishmachine 4:4a1b31edb7b1 100 if(temp < min)
ko16aam 3:9c4e6163a71b 101 {
Fleishmachine 5:4d8495cf1c10 102 r = 1;
Fleishmachine 5:4d8495cf1c10 103 g = 1;
Fleishmachine 5:4d8495cf1c10 104 b = 0.25;
Fleishmachine 6:6ae884c9757a 105 Ctrl1 = 0;
Fleishmachine 6:6ae884c9757a 106 Ctrl2 = 1;
Fleishmachine 5:4d8495cf1c10 107
ko16aam 3:9c4e6163a71b 108 }
Fleishmachine 7:9f4b7b55f902 109
Fleishmachine 7:9f4b7b55f902 110 if (airValue > 80 )
Fleishmachine 7:9f4b7b55f902 111 {
Fleishmachine 7:9f4b7b55f902 112 leds =1;
Fleishmachine 7:9f4b7b55f902 113 }
Fleishmachine 7:9f4b7b55f902 114
Fleishmachine 7:9f4b7b55f902 115 if (airValue < 80 )
Fleishmachine 7:9f4b7b55f902 116 {
Fleishmachine 7:9f4b7b55f902 117 leds =0;
Fleishmachine 7:9f4b7b55f902 118 }
Fleishmachine 7:9f4b7b55f902 119
ko16aam 3:9c4e6163a71b 120 else
ko16aam 3:9c4e6163a71b 121 {
Fleishmachine 5:4d8495cf1c10 122
ko16aam 3:9c4e6163a71b 123 }
ko16aam 3:9c4e6163a71b 124
Fleishmachine 7:9f4b7b55f902 125
ko16aam 0:e9258aa72a94 126 lcd.cls();
Fleishmachine 4:4a1b31edb7b1 127 lcd.locate(0,0);
Fleishmachine 4:4a1b31edb7b1 128 lcd.printf("Temp= %6.2f Avg= %5.1f ", temp , average );
Fleishmachine 7:9f4b7b55f902 129 lcd.locate(0,10);
Fleishmachine 4:4a1b31edb7b1 130 lcd.printf("min= %6.0f max= %6.0f", min, max);
Fleishmachine 4:4a1b31edb7b1 131
Fleishmachine 7:9f4b7b55f902 132 lcd.locate(0,20);
Fleishmachine 7:9f4b7b55f902 133 lcd.printf("Air Quality %f \n\r",airValue);
Fleishmachine 7:9f4b7b55f902 134
Fleishmachine 4:4a1b31edb7b1 135 wait(0.5);
Fleishmachine 7:9f4b7b55f902 136
Fleishmachine 7:9f4b7b55f902 137 pc.printf(" \n\r");
Fleishmachine 7:9f4b7b55f902 138 pc.printf("Thermostat values\n\r");
Fleishmachine 7:9f4b7b55f902 139 pc.printf("Temp= %6.2f Avg= %5.1f \n\r", temp , average );
Fleishmachine 7:9f4b7b55f902 140 pc.printf("min= %6.0f max= %6.0f \n \r", min, max);
Fleishmachine 7:9f4b7b55f902 141 pc.printf("Air Quality %f \n \r",airValue);
Fleishmachine 7:9f4b7b55f902 142 pc.printf(" \n\r");
Fleishmachine 7:9f4b7b55f902 143
Fleishmachine 4:4a1b31edb7b1 144 }
Fleishmachine 4:4a1b31edb7b1 145
ko16aam 0:e9258aa72a94 146 }
ko16aam 0:e9258aa72a94 147
Fleishmachine 4:4a1b31edb7b1 148 void initialize()
Fleishmachine 4:4a1b31edb7b1 149 {
Fleishmachine 4:4a1b31edb7b1 150 lcd.cls();
Fleishmachine 4:4a1b31edb7b1 151 lcd.locate(0,0);
Fleishmachine 4:4a1b31edb7b1 152 }