Thomas Morris / Mbed OS ELEC351_v1

Task 1,7,8 Working

Dependencies:   BME280 BMP280 ELEC350-Coursework-2017 TextLCD

Fork of ELEC350-CWTEMPLATE-2017 by University of Plymouth - Stages 1, 2 and 3

main.cpp@5:2594b953f111, 2017-12-10 (annotated)

Committer:
thomasmorris
Date:
Sun Dec 10 17:30:00 2017 +0000
Revision:
5:2594b953f111
Parent:
3:a88838ff33e7 
Task 1,5,8 Working

Who changed what in which revision?

UserRevisionLine numberNew contents of line
noutram 1:e1cf7663f5ff 1 #include "sample_hardware.hpp"
noutram 3:a88838ff33e7 2 #include "Networkbits.hpp"
thomasmorris 5:2594b953f111 3 #include "rtos.h"
thomasmorris 5:2594b953f111 4 #include "LED.hpp"
thomasmorris 5:2594b953f111 5 #define SamplingTime 1
thomasmorris 5:2594b953f111 6 #define NotSamplingTime 0
thomasmorris 5:2594b953f111 7 #define TimerInterval 15 //This is in seconds
thomasmorris 5:2594b953f111 8
thomasmorris 5:2594b953f111 9 Serial pc(USBTX, USBRX);
noutram 2:40403785b690 10
noutram 3:a88838ff33e7 11 // This is a very short demo that demonstrates all the hardware used in the coursework.
noutram 3:a88838ff33e7 12 // You will need a network connection set up (covered elsewhere). The host PC should have the address 10.0.0.1
thomasmorris 5:2594b953f111 13 //Thread ID
thomasmorris 5:2594b953f111 14 osThreadId idMain;
thomasmorris 5:2594b953f111 15 osThreadId id1;
thomasmorris 5:2594b953f111 16 osThreadId id2;
thomasmorris 5:2594b953f111 17 osThreadId id3;
thomasmorris 5:2594b953f111 18 osThreadId id4;
noutram 0:36e89e3ed7c4 19
thomasmorris 5:2594b953f111 20 LED Red_led(PE_15);
thomasmorris 5:2594b953f111 21 LED Yellow_led(PB_10);
thomasmorris 5:2594b953f111 22 LED Green_led(PB_11);
thomasmorris 5:2594b953f111 23
thomasmorris 5:2594b953f111 24 Ticker Sample_timer;
noutram 3:a88838ff33e7 25 //Threads
noutram 3:a88838ff33e7 26 Thread nwrkThread;
thomasmorris 5:2594b953f111 27 Thread t1;
thomasmorris 5:2594b953f111 28 Thread t2;
thomasmorris 5:2594b953f111 29
thomasmorris 5:2594b953f111 30 void Serial_Comms()//Thread for Serial Communications
thomasmorris 5:2594b953f111 31 {
thomasmorris 5:2594b953f111 32 pc.printf("Hello World \n");
thomasmorris 5:2594b953f111 33 while(1)
thomasmorris 5:2594b953f111 34 {
thomasmorris 5:2594b953f111 35 pc.printf("Test\n");
thomasmorris 5:2594b953f111 36 Thread::wait(1000);
thomasmorris 5:2594b953f111 37 }
thomasmorris 5:2594b953f111 38 }
thomasmorris 5:2594b953f111 39
thomasmorris 5:2594b953f111 40 void Sample_signal_set()//Sets the Signal for when to sample the sensors
thomasmorris 5:2594b953f111 41 {
thomasmorris 5:2594b953f111 42 t1.signal_set(SamplingTime);
thomasmorris 5:2594b953f111 43 }
noutram 3:a88838ff33e7 44
thomasmorris 5:2594b953f111 45 void Sample()//Samples the hardware and prints the result to the LCD
thomasmorris 5:2594b953f111 46 {
thomasmorris 5:2594b953f111 47 while(1)
thomasmorris 5:2594b953f111 48 {
thomasmorris 5:2594b953f111 49 Thread::signal_wait(SamplingTime);
thomasmorris 5:2594b953f111 50 //Read environmental sensors
thomasmorris 5:2594b953f111 51 double temp = sensor.getTemperature();
thomasmorris 5:2594b953f111 52 double pressure = sensor.getPressure();
thomasmorris 5:2594b953f111 53 double lux = adcIn.read();
thomasmorris 5:2594b953f111 54 //Write new data to LCD (not fast!)
thomasmorris 5:2594b953f111 55 lcd.cls();
thomasmorris 5:2594b953f111 56 lcd.printf("Temp Pres li\n");
thomasmorris 5:2594b953f111 57 lcd.printf("%1.1f ",temp);
thomasmorris 5:2594b953f111 58 lcd.printf("%1.1f ",pressure);
thomasmorris 5:2594b953f111 59 lcd.printf("%1.1f\n",lux);
thomasmorris 5:2594b953f111 60
thomasmorris 5:2594b953f111 61 //Write to SD (potentially slow)
thomasmorris 5:2594b953f111 62 //fprintf(fp, "%6.1f,%.2f\n\r", temp, pressure);
thomasmorris 5:2594b953f111 63
thomasmorris 5:2594b953f111 64 Red_led.Toggle();
thomasmorris 5:2594b953f111 65 t1.signal_set(NotSamplingTime);
thomasmorris 5:2594b953f111 66 //Thread::wait(15000);//Time interval
thomasmorris 5:2594b953f111 67 }
thomasmorris 5:2594b953f111 68 }
thomasmorris 5:2594b953f111 69
thomasmorris 5:2594b953f111 70 int main()
thomasmorris 5:2594b953f111 71 {
noutram 1:e1cf7663f5ff 72 //Greeting
noutram 3:a88838ff33e7 73 printf("Testing\n\n");
noutram 1:e1cf7663f5ff 74
thomasmorris 5:2594b953f111 75 pc.baud(9600);//Sets the Serial Comms Baud Rate
thomasmorris 5:2594b953f111 76
thomasmorris 5:2594b953f111 77 post();//Power on Self Test
noutram 1:e1cf7663f5ff 78
noutram 3:a88838ff33e7 79 //Initialise the SD card (this needs to move)
noutram 1:e1cf7663f5ff 80 if ( sd.init() != 0) {
noutram 1:e1cf7663f5ff 81 printf("Init failed \n");
noutram 3:a88838ff33e7 82 lcd.cls();
noutram 3:a88838ff33e7 83 lcd.printf("CANNOT INIT SD");
noutram 1:e1cf7663f5ff 84 errorCode(FATAL);
noutram 1:e1cf7663f5ff 85 }
noutram 1:e1cf7663f5ff 86
noutram 1:e1cf7663f5ff 87 //Create a filing system for SD Card
noutram 1:e1cf7663f5ff 88 FATFileSystem fs("sd", &sd);
noutram 0:36e89e3ed7c4 89
noutram 1:e1cf7663f5ff 90 //Open to WRITE
noutram 1:e1cf7663f5ff 91 FILE* fp = fopen("/sd/test.csv","a");
noutram 1:e1cf7663f5ff 92 if (fp == NULL) {
noutram 1:e1cf7663f5ff 93 error("Could not open file for write\n");
noutram 3:a88838ff33e7 94 lcd.cls();
noutram 3:a88838ff33e7 95 lcd.printf("CANNOT OPEN FILE\n\n");
noutram 1:e1cf7663f5ff 96 errorCode(FATAL);
noutram 1:e1cf7663f5ff 97 }
noutram 3:a88838ff33e7 98
noutram 3:a88838ff33e7 99 //Last message before sampling begins
noutram 3:a88838ff33e7 100 lcd.cls();
noutram 3:a88838ff33e7 101 lcd.printf("READY\n\n");
thomasmorris 5:2594b953f111 102
thomasmorris 5:2594b953f111 103 //Run interrupt
thomasmorris 5:2594b953f111 104 Sample_timer.attach(&Sample_signal_set,TimerInterval);
thomasmorris 5:2594b953f111 105
thomasmorris 5:2594b953f111 106 //Run Threads
thomasmorris 5:2594b953f111 107
thomasmorris 5:2594b953f111 108
thomasmorris 5:2594b953f111 109 t1.start(Sample);
thomasmorris 5:2594b953f111 110 t2.start(Serial_Comms);
thomasmorris 5:2594b953f111 111
thomasmorris 5:2594b953f111 112 //Main thread ID
thomasmorris 5:2594b953f111 113
thomasmorris 5:2594b953f111 114 idMain = osThreadGetId(); //CMSIS RTOS call
thomasmorris 5:2594b953f111 115
thomasmorris 5:2594b953f111 116 //Thread ID
thomasmorris 5:2594b953f111 117 id1 = t1.gettid();
thomasmorris 5:2594b953f111 118 id2 = t2.gettid();
thomasmorris 5:2594b953f111 119
thomasmorris 5:2594b953f111 120
thomasmorris 5:2594b953f111 121 //Toggle Green LED after a button has been pressed
noutram 1:e1cf7663f5ff 122 //Press either switch to unmount
noutram 1:e1cf7663f5ff 123 while ((SW1 == 0) && (SW2 == 0)) {
thomasmorris 5:2594b953f111 124
noutram 1:e1cf7663f5ff 125 }
noutram 1:e1cf7663f5ff 126
noutram 1:e1cf7663f5ff 127 //Close File
noutram 1:e1cf7663f5ff 128 fclose(fp);
noutram 1:e1cf7663f5ff 129
noutram 1:e1cf7663f5ff 130 //Close down
noutram 1:e1cf7663f5ff 131 sd.deinit();
noutram 1:e1cf7663f5ff 132 printf("Unmounted...\n");
noutram 1:e1cf7663f5ff 133 lcd.cls();
noutram 1:e1cf7663f5ff 134 lcd.printf("Unmounted...\n\n");
noutram 1:e1cf7663f5ff 135
noutram 1:e1cf7663f5ff 136 while(true) {
noutram 1:e1cf7663f5ff 137 greenLED = 1;
noutram 1:e1cf7663f5ff 138 wait(0.5);
noutram 1:e1cf7663f5ff 139 greenLED = 0;
noutram 1:e1cf7663f5ff 140 wait(0.1);
noutram 0:36e89e3ed7c4 141 }
noutram 0:36e89e3ed7c4 142 }
noutram 0:36e89e3ed7c4 143
noutram 1:e1cf7663f5ff 144
noutram 1:e1cf7663f5ff 145