Dylan Jean-Baptiste / Mbed 2 deprecated rtos_4180_project

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Dependencies:   4DGL-uLCD-SE HTU21D mbed-rtos mbed wave_player

main.cpp@12:a5be4d71addc, 2022-12-09 (annotated)

Committer:
dajbaptis
Date:
Fri Dec 09 04:25:45 2022 +0000
Revision:
12:a5be4d71addc
Parent:
11:0309bef74ba8 
ece 4180 project

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dajbaptis 12:a5be4d71addc 1 /** Sample program to read temperature and humidity
dajbaptis 12:a5be4d71addc 2 *
dajbaptis 12:a5be4d71addc 3 * @author Alex Lipford
dajbaptis 12:a5be4d71addc 4 * Georgia Institute of Technology
dajbaptis 12:a5be4d71addc 5 * ECE 4180 Embeded Systems Design
dajbaptis 12:a5be4d71addc 6 * Professor Hamblen
dajbaptis 12:a5be4d71addc 7 * 10/19/2014
dajbaptis 12:a5be4d71addc 8 *
dajbaptis 12:a5be4d71addc 9 * @section LICENSE
dajbaptis 12:a5be4d71addc 10 * ----------------------------------------------------------------------------
dajbaptis 12:a5be4d71addc 11 * "THE BEER-WARE LICENSE" (Revision 42):
dajbaptis 12:a5be4d71addc 12 * <alexlipford@gmail.com> wrote this file. As long as you retain this notice you
dajbaptis 12:a5be4d71addc 13 * can do whatever you want with this stuff. If we meet some day, and you think
dajbaptis 12:a5be4d71addc 14 * this stuff is worth it, you can buy me a beer in return.
dajbaptis 12:a5be4d71addc 15 * ----------------------------------------------------------------------------
dajbaptis 12:a5be4d71addc 16 *
dajbaptis 12:a5be4d71addc 17 *
dajbaptis 12:a5be4d71addc 18 * @section DESCRIPTION
dajbaptis 12:a5be4d71addc 19 *
dajbaptis 12:a5be4d71addc 20 * Honeywell HTU21D Humidity and Temperature sensor.
dajbaptis 12:a5be4d71addc 21 *
dajbaptis 12:a5be4d71addc 22 * Datasheet, specs, and information:
dajbaptis 12:a5be4d71addc 23 *
dajbaptis 12:a5be4d71addc 24 * https://www.sparkfun.com/products/12064
dajbaptis 12:a5be4d71addc 25 */
dajbaptis 12:a5be4d71addc 26
emilmont 1:491820ee784d 27 #include "mbed.h"
dajbaptis 12:a5be4d71addc 28 #include <string>
dajbaptis 12:a5be4d71addc 29 #include <stdlib.h>
dajbaptis 12:a5be4d71addc 30 #include "HTU21D.h"
dajbaptis 12:a5be4d71addc 31 #include "uLCD_4DGL.h"
dajbaptis 12:a5be4d71addc 32 #include "SongPlayer.h"
dajbaptis 12:a5be4d71addc 33 #include <math.h>
mbed_official 11:0309bef74ba8 34 #include "rtos.h"
dajbaptis 12:a5be4d71addc 35
dajbaptis 12:a5be4d71addc 36 Serial pc(USBTX, USBRX);
dajbaptis 12:a5be4d71addc 37
dajbaptis 12:a5be4d71addc 38 DigitalOut reset(p26);
emilmont 1:491820ee784d 39 DigitalOut led1(LED1);
dajbaptis 12:a5be4d71addc 40 DigitalOut led4(LED4);
dajbaptis 12:a5be4d71addc 41 Timer t;
dajbaptis 12:a5be4d71addc 42
dajbaptis 12:a5be4d71addc 43 AnalogIn CO2(p18);
dajbaptis 12:a5be4d71addc 44 uLCD_4DGL uLCD(p28,p27,p30); // serial tx, serial rx, reset pin;
dajbaptis 12:a5be4d71addc 45 HTU21D temphumid(p9, p10); //Temp humid sensor || SDA, SCL
dajbaptis 12:a5be4d71addc 46 int sample_ftemp;
dajbaptis 12:a5be4d71addc 47 int sample_ctemp;
dajbaptis 12:a5be4d71addc 48 int sample_humid;
dajbaptis 12:a5be4d71addc 49 float sample_co2;
dajbaptis 12:a5be4d71addc 50
dajbaptis 12:a5be4d71addc 51 float note[7]= {700.0,0,700.0,0,700.0,0,700.0
dajbaptis 12:a5be4d71addc 52 };
dajbaptis 12:a5be4d71addc 53 float duration[7]= {0.48,0.48,0.48,0.48,0.48,0.48, 0.0
dajbaptis 12:a5be4d71addc 54 };
dajbaptis 12:a5be4d71addc 55
dajbaptis 12:a5be4d71addc 56
emilmont 1:491820ee784d 57
dajbaptis 12:a5be4d71addc 58 void sensorsthread(void const *args) {
dajbaptis 12:a5be4d71addc 59 while (1) {
dajbaptis 12:a5be4d71addc 60 sample_ftemp = temphumid.sample_ftemp();
dajbaptis 12:a5be4d71addc 61 sample_ctemp = temphumid.sample_ctemp();
dajbaptis 12:a5be4d71addc 62 sample_humid = temphumid.sample_humid();
dajbaptis 12:a5be4d71addc 63 sample_co2 = CO2.read()*1000;
dajbaptis 12:a5be4d71addc 64 Thread::wait(1000);
dajbaptis 12:a5be4d71addc 65 }
dajbaptis 12:a5be4d71addc 66 }
dajbaptis 12:a5be4d71addc 67
dajbaptis 12:a5be4d71addc 68
dajbaptis 12:a5be4d71addc 69 void lcdthread(void const *args) {
dajbaptis 12:a5be4d71addc 70 uLCD.background_color(BLACK);
dajbaptis 12:a5be4d71addc 71 uLCD.cls();
dajbaptis 12:a5be4d71addc 72 uLCD.baudrate(30000); //jack up baud rate to max for fast display
dajbaptis 12:a5be4d71addc 73
dajbaptis 12:a5be4d71addc 74 while (1) {
dajbaptis 12:a5be4d71addc 75 uLCD.cls();
dajbaptis 12:a5be4d71addc 76 uLCD.locate(0,2);
dajbaptis 12:a5be4d71addc 77 uLCD.color(WHITE);
dajbaptis 12:a5be4d71addc 78 uLCD.printf("Temperature: %d F\n\r", sample_ftemp);
dajbaptis 12:a5be4d71addc 79 uLCD.printf("Temperature: %d C\n\r", sample_ctemp);
dajbaptis 12:a5be4d71addc 80 uLCD.printf("Humidity: %d %%\n\r", sample_humid);
dajbaptis 12:a5be4d71addc 81 uLCD.printf("Gas: %0.2f ppm \n\r", sample_co2);
dajbaptis 12:a5be4d71addc 82 if (sample_co2 > 80){ uLCD.printf("Evacuate! CO is high!");}
dajbaptis 12:a5be4d71addc 83 uLCD.printf("\n\r");
dajbaptis 12:a5be4d71addc 84 wait(0.5);
dajbaptis 12:a5be4d71addc 85
mbed_official 11:0309bef74ba8 86 Thread::wait(1000);
emilmont 1:491820ee784d 87 }
emilmont 1:491820ee784d 88 }
dajbaptis 12:a5be4d71addc 89
emilmont 1:491820ee784d 90 int main() {
dajbaptis 12:a5be4d71addc 91
dajbaptis 12:a5be4d71addc 92 sample_ftemp = temphumid.sample_ftemp();
dajbaptis 12:a5be4d71addc 93 sample_ctemp = temphumid.sample_ctemp();
dajbaptis 12:a5be4d71addc 94 sample_humid = temphumid.sample_humid();
dajbaptis 12:a5be4d71addc 95
dajbaptis 12:a5be4d71addc 96 pc.printf("Begin Thread\n");
dajbaptis 12:a5be4d71addc 97 Thread t1(sensorsthread);
dajbaptis 12:a5be4d71addc 98 Thread t3(lcdthread);
dajbaptis 12:a5be4d71addc 99
dajbaptis 12:a5be4d71addc 100 SongPlayer mySpeaker(p26);
dajbaptis 12:a5be4d71addc 101
dajbaptis 12:a5be4d71addc 102
dajbaptis 12:a5be4d71addc 103 while(1) {
dajbaptis 12:a5be4d71addc 104 if (sample_co2 > 80) {
dajbaptis 12:a5be4d71addc 105 mySpeaker.PlaySong(note,duration);
dajbaptis 12:a5be4d71addc 106 }
dajbaptis 12:a5be4d71addc 107
dajbaptis 12:a5be4d71addc 108 Thread::wait(1000);
emilmont 1:491820ee784d 109 }
emilmont 1:491820ee784d 110 }
dajbaptis 12:a5be4d71addc 111