Thomas Morris / Mbed OS PROJ324_Final

Proj 324 Final

Fork of ELEC351_Group_T by Plymouth ELEC351 Group T

main.cpp@6:97f586597310, 2017-12-10 (annotated)

Committer:
thomasmorris
Date:
Sun Dec 10 17:40:58 2017 +0000
Revision:
6:97f586597310
Parent:
5:2594b953f111
Child:
7:dfe19413fdc2
Time: 17:40; Date: 10/12/2017; Description:; Task 1,7,8 Working;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
thomasmorris 6:97f586597310 1 /*
thomasmorris 6:97f586597310 2 ELEC 351 Group T
thomasmorris 6:97f586597310 3 Team Members : Christopher Hills, Thomas Morris
thomasmorris 6:97f586597310 4 Current Verision 1
thomasmorris 6:97f586597310 5 Overiew: Working Tasks 1,5,7
thomasmorris 6:97f586597310 6 */
thomasmorris 6:97f586597310 7
thomasmorris 6:97f586597310 8
noutram 1:e1cf7663f5ff 9 #include "sample_hardware.hpp"
noutram 3:a88838ff33e7 10 #include "Networkbits.hpp"
thomasmorris 5:2594b953f111 11 #include "rtos.h"
thomasmorris 5:2594b953f111 12 #include "LED.hpp"
thomasmorris 5:2594b953f111 13 #define SamplingTime 1
thomasmorris 5:2594b953f111 14 #define NotSamplingTime 0
thomasmorris 5:2594b953f111 15 #define TimerInterval 15 //This is in seconds
thomasmorris 5:2594b953f111 16
thomasmorris 5:2594b953f111 17 Serial pc(USBTX, USBRX);
noutram 2:40403785b690 18
noutram 3:a88838ff33e7 19 // This is a very short demo that demonstrates all the hardware used in the coursework.
noutram 3:a88838ff33e7 20 // You will need a network connection set up (covered elsewhere). The host PC should have the address 10.0.0.1
thomasmorris 5:2594b953f111 21 //Thread ID
thomasmorris 5:2594b953f111 22 osThreadId idMain;
thomasmorris 5:2594b953f111 23 osThreadId id1;
thomasmorris 5:2594b953f111 24 osThreadId id2;
thomasmorris 5:2594b953f111 25 osThreadId id3;
thomasmorris 5:2594b953f111 26 osThreadId id4;
noutram 0:36e89e3ed7c4 27
thomasmorris 5:2594b953f111 28 LED Red_led(PE_15);
thomasmorris 5:2594b953f111 29 LED Yellow_led(PB_10);
thomasmorris 5:2594b953f111 30 LED Green_led(PB_11);
thomasmorris 5:2594b953f111 31
thomasmorris 5:2594b953f111 32 Ticker Sample_timer;
noutram 3:a88838ff33e7 33 //Threads
noutram 3:a88838ff33e7 34 Thread nwrkThread;
thomasmorris 5:2594b953f111 35 Thread t1;
thomasmorris 5:2594b953f111 36 Thread t2;
thomasmorris 5:2594b953f111 37
thomasmorris 5:2594b953f111 38 void Serial_Comms()//Thread for Serial Communications
thomasmorris 5:2594b953f111 39 {
thomasmorris 5:2594b953f111 40 pc.printf("Hello World \n");
thomasmorris 5:2594b953f111 41 while(1)
thomasmorris 5:2594b953f111 42 {
thomasmorris 5:2594b953f111 43 pc.printf("Test\n");
thomasmorris 5:2594b953f111 44 Thread::wait(1000);
thomasmorris 5:2594b953f111 45 }
thomasmorris 5:2594b953f111 46 }
thomasmorris 5:2594b953f111 47
thomasmorris 5:2594b953f111 48 void Sample_signal_set()//Sets the Signal for when to sample the sensors
thomasmorris 5:2594b953f111 49 {
thomasmorris 5:2594b953f111 50 t1.signal_set(SamplingTime);
thomasmorris 5:2594b953f111 51 }
noutram 3:a88838ff33e7 52
thomasmorris 5:2594b953f111 53 void Sample()//Samples the hardware and prints the result to the LCD
thomasmorris 5:2594b953f111 54 {
thomasmorris 5:2594b953f111 55 while(1)
thomasmorris 5:2594b953f111 56 {
thomasmorris 5:2594b953f111 57 Thread::signal_wait(SamplingTime);
thomasmorris 5:2594b953f111 58 //Read environmental sensors
thomasmorris 5:2594b953f111 59 double temp = sensor.getTemperature();
thomasmorris 5:2594b953f111 60 double pressure = sensor.getPressure();
thomasmorris 5:2594b953f111 61 double lux = adcIn.read();
thomasmorris 5:2594b953f111 62 //Write new data to LCD (not fast!)
thomasmorris 5:2594b953f111 63 lcd.cls();
thomasmorris 5:2594b953f111 64 lcd.printf("Temp Pres li\n");
thomasmorris 5:2594b953f111 65 lcd.printf("%1.1f ",temp);
thomasmorris 5:2594b953f111 66 lcd.printf("%1.1f ",pressure);
thomasmorris 5:2594b953f111 67 lcd.printf("%1.1f\n",lux);
thomasmorris 5:2594b953f111 68
thomasmorris 5:2594b953f111 69 //Write to SD (potentially slow)
thomasmorris 5:2594b953f111 70 //fprintf(fp, "%6.1f,%.2f\n\r", temp, pressure);
thomasmorris 5:2594b953f111 71
thomasmorris 5:2594b953f111 72 Red_led.Toggle();
thomasmorris 5:2594b953f111 73 t1.signal_set(NotSamplingTime);
thomasmorris 5:2594b953f111 74 //Thread::wait(15000);//Time interval
thomasmorris 5:2594b953f111 75 }
thomasmorris 5:2594b953f111 76 }
thomasmorris 5:2594b953f111 77
thomasmorris 5:2594b953f111 78 int main()
thomasmorris 5:2594b953f111 79 {
noutram 1:e1cf7663f5ff 80 //Greeting
noutram 3:a88838ff33e7 81 printf("Testing\n\n");
noutram 1:e1cf7663f5ff 82
thomasmorris 5:2594b953f111 83 pc.baud(9600);//Sets the Serial Comms Baud Rate
thomasmorris 5:2594b953f111 84
thomasmorris 5:2594b953f111 85 post();//Power on Self Test
noutram 1:e1cf7663f5ff 86
noutram 3:a88838ff33e7 87 //Initialise the SD card (this needs to move)
noutram 1:e1cf7663f5ff 88 if ( sd.init() != 0) {
noutram 1:e1cf7663f5ff 89 printf("Init failed \n");
noutram 3:a88838ff33e7 90 lcd.cls();
noutram 3:a88838ff33e7 91 lcd.printf("CANNOT INIT SD");
noutram 1:e1cf7663f5ff 92 errorCode(FATAL);
noutram 1:e1cf7663f5ff 93 }
noutram 1:e1cf7663f5ff 94
noutram 1:e1cf7663f5ff 95 //Create a filing system for SD Card
noutram 1:e1cf7663f5ff 96 FATFileSystem fs("sd", &sd);
noutram 0:36e89e3ed7c4 97
noutram 1:e1cf7663f5ff 98 //Open to WRITE
noutram 1:e1cf7663f5ff 99 FILE* fp = fopen("/sd/test.csv","a");
noutram 1:e1cf7663f5ff 100 if (fp == NULL) {
noutram 1:e1cf7663f5ff 101 error("Could not open file for write\n");
noutram 3:a88838ff33e7 102 lcd.cls();
noutram 3:a88838ff33e7 103 lcd.printf("CANNOT OPEN FILE\n\n");
noutram 1:e1cf7663f5ff 104 errorCode(FATAL);
noutram 1:e1cf7663f5ff 105 }
noutram 3:a88838ff33e7 106
noutram 3:a88838ff33e7 107 //Last message before sampling begins
noutram 3:a88838ff33e7 108 lcd.cls();
noutram 3:a88838ff33e7 109 lcd.printf("READY\n\n");
thomasmorris 5:2594b953f111 110
thomasmorris 5:2594b953f111 111 //Run interrupt
thomasmorris 5:2594b953f111 112 Sample_timer.attach(&Sample_signal_set,TimerInterval);
thomasmorris 5:2594b953f111 113
thomasmorris 5:2594b953f111 114 //Run Threads
thomasmorris 5:2594b953f111 115
thomasmorris 5:2594b953f111 116
thomasmorris 5:2594b953f111 117 t1.start(Sample);
thomasmorris 5:2594b953f111 118 t2.start(Serial_Comms);
thomasmorris 5:2594b953f111 119
thomasmorris 5:2594b953f111 120 //Main thread ID
thomasmorris 5:2594b953f111 121
thomasmorris 5:2594b953f111 122 idMain = osThreadGetId(); //CMSIS RTOS call
thomasmorris 5:2594b953f111 123
thomasmorris 5:2594b953f111 124 //Thread ID
thomasmorris 5:2594b953f111 125 id1 = t1.gettid();
thomasmorris 5:2594b953f111 126 id2 = t2.gettid();
thomasmorris 5:2594b953f111 127
thomasmorris 5:2594b953f111 128
thomasmorris 5:2594b953f111 129 //Toggle Green LED after a button has been pressed
noutram 1:e1cf7663f5ff 130 //Press either switch to unmount
noutram 1:e1cf7663f5ff 131 while ((SW1 == 0) && (SW2 == 0)) {
thomasmorris 5:2594b953f111 132
noutram 1:e1cf7663f5ff 133 }
noutram 1:e1cf7663f5ff 134
noutram 1:e1cf7663f5ff 135 //Close File
noutram 1:e1cf7663f5ff 136 fclose(fp);
noutram 1:e1cf7663f5ff 137
noutram 1:e1cf7663f5ff 138 //Close down
noutram 1:e1cf7663f5ff 139 sd.deinit();
noutram 1:e1cf7663f5ff 140 printf("Unmounted...\n");
noutram 1:e1cf7663f5ff 141 lcd.cls();
noutram 1:e1cf7663f5ff 142 lcd.printf("Unmounted...\n\n");
noutram 1:e1cf7663f5ff 143
noutram 1:e1cf7663f5ff 144 while(true) {
noutram 1:e1cf7663f5ff 145 greenLED = 1;
noutram 1:e1cf7663f5ff 146 wait(0.5);
noutram 1:e1cf7663f5ff 147 greenLED = 0;
noutram 1:e1cf7663f5ff 148 wait(0.1);
noutram 0:36e89e3ed7c4 149 }
noutram 0:36e89e3ed7c4 150 }
noutram 0:36e89e3ed7c4 151
noutram 1:e1cf7663f5ff 152
noutram 1:e1cf7663f5ff 153