Mathew Swabey / Mbed OS ELEC350_Project2

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Dependencies:   serial_terminal sample_hardware PLL_Config SDCard BMP280 Networkbits TextLCD SDBlockDevice

main.cpp@7:e2bf2d703867, 2018-11-07 (annotated)

Committer:
Swabey89
Date:
Wed Nov 07 19:57:27 2018 +0000
Revision:
7:e2bf2d703867
Parent:
6:a5394c9e5927
Child:
8:c81b0ff8b822
Serial interface working - requires exception handling.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Swabey89 7:e2bf2d703867 1 #include "mbed.h"
Swabey89 1:31c7b4ab552b 2 #include "sample_hardware.hpp"
Swabey89 1:31c7b4ab552b 3 #include "Networkbits.hpp"
Swabey89 5:956984cbe447 4 #include "serial_terminal.hpp"
Swabey89 6:a5394c9e5927 5 #include "SDCard.hpp"
Swabey89 5:956984cbe447 6 #include "rtos.h"
Swabey89 7:e2bf2d703867 7 #include "mbed_events.h"
Swabey89 5:956984cbe447 8
Swabey89 7:e2bf2d703867 9 EventQueue queue;
Swabey89 1:31c7b4ab552b 10
Swabey89 1:31c7b4ab552b 11 //Threads
Swabey89 5:956984cbe447 12 //Thread nwrkThread;
Swabey89 5:956984cbe447 13 Thread serial_terminal;
Swabey89 6:a5394c9e5927 14 Thread SD_thread;
Swabey89 0:4afd4940a189 15
Swabey89 7:e2bf2d703867 16
Swabey89 7:e2bf2d703867 17
Swabey89 7:e2bf2d703867 18 int main() {
Swabey89 5:956984cbe447 19 //Move threads into a thread init function
Swabey89 5:956984cbe447 20 serial_terminal.start(serialterm);
Swabey89 7:e2bf2d703867 21 queue.call_every(20000, SDalive);
Swabey89 7:e2bf2d703867 22 SD_thread.start(callback(&queue, &EventQueue::dispatch_forever));
Swabey89 5:956984cbe447 23
Swabey89 1:31c7b4ab552b 24 //Greeting
Swabey89 1:31c7b4ab552b 25 printf("Testing\n\n");
Swabey89 1:31c7b4ab552b 26
Swabey89 1:31c7b4ab552b 27 //Power on self test
Swabey89 1:31c7b4ab552b 28 post();
Swabey89 1:31c7b4ab552b 29
Swabey89 6:a5394c9e5927 30 printf("Send commands\n\r");
Swabey89 5:956984cbe447 31 /*
Swabey89 1:31c7b4ab552b 32 //Initialise the SD card (this needs to move)
Swabey89 1:31c7b4ab552b 33 if ( sd.init() != 0) {
Swabey89 1:31c7b4ab552b 34 printf("Init failed \n");
Swabey89 1:31c7b4ab552b 35 lcd.cls();
Swabey89 1:31c7b4ab552b 36 lcd.printf("CANNOT INIT SD");
Swabey89 1:31c7b4ab552b 37 errorCode(FATAL);
Swabey89 1:31c7b4ab552b 38 }
Swabey89 1:31c7b4ab552b 39
Swabey89 1:31c7b4ab552b 40 //Create a filing system for SD Card
Swabey89 1:31c7b4ab552b 41 FATFileSystem fs("sd", &sd);
Swabey89 1:31c7b4ab552b 42
Swabey89 1:31c7b4ab552b 43 //Open to WRITE
Swabey89 1:31c7b4ab552b 44 FILE* fp = fopen("/sd/test.csv","a");
Swabey89 1:31c7b4ab552b 45 if (fp == NULL) {
Swabey89 1:31c7b4ab552b 46 error("Could not open file for write\n");
Swabey89 1:31c7b4ab552b 47 lcd.cls();
Swabey89 1:31c7b4ab552b 48 lcd.printf("CANNOT OPEN FILE\n\n");
Swabey89 1:31c7b4ab552b 49 errorCode(FATAL);
Swabey89 1:31c7b4ab552b 50 }
Swabey89 1:31c7b4ab552b 51
Swabey89 1:31c7b4ab552b 52 //Last message before sampling begins
Swabey89 1:31c7b4ab552b 53 lcd.cls();
Swabey89 1:31c7b4ab552b 54 lcd.printf("READY\n\n");
Swabey89 3:b1583f309b43 55
Swabey89 1:31c7b4ab552b 56
Swabey89 1:31c7b4ab552b 57 //Press either switch to unmount
Swabey89 1:31c7b4ab552b 58 while ((SW1 == 0) && (SW2 == 0)) {
Swabey89 1:31c7b4ab552b 59
Swabey89 1:31c7b4ab552b 60 //Base loop delay
Swabey89 1:31c7b4ab552b 61 wait(1.0);
Swabey89 1:31c7b4ab552b 62
Swabey89 1:31c7b4ab552b 63 //Read environmental sensors
Swabey89 1:31c7b4ab552b 64 double temp = sensor.getTemperature();
Swabey89 1:31c7b4ab552b 65 double pressure = sensor.getPressure();
Swabey89 1:31c7b4ab552b 66
Swabey89 1:31c7b4ab552b 67 //Write new data to LCD (not fast!)
Swabey89 1:31c7b4ab552b 68 lcd.cls();
Swabey89 1:31c7b4ab552b 69 lcd.printf("Temp Pressure\n");
Swabey89 1:31c7b4ab552b 70 lcd.printf("%6.1f ",temp);
Swabey89 1:31c7b4ab552b 71 lcd.printf("%.2f\n",pressure);
Swabey89 1:31c7b4ab552b 72
Swabey89 1:31c7b4ab552b 73 //Write to SD (potentially slow)
Swabey89 5:956984cbe447 74 //fprintf(fp, "%6.1f,%.2f\n\r", temp, pressure);
Swabey89 1:31c7b4ab552b 75 }
Swabey89 1:31c7b4ab552b 76
Swabey89 1:31c7b4ab552b 77 //Close File
Swabey89 1:31c7b4ab552b 78 fclose(fp);
Swabey89 1:31c7b4ab552b 79
Swabey89 1:31c7b4ab552b 80 //Close down
Swabey89 1:31c7b4ab552b 81 sd.deinit();
Swabey89 1:31c7b4ab552b 82 printf("Unmounted...\n");
Swabey89 1:31c7b4ab552b 83 lcd.cls();
Swabey89 1:31c7b4ab552b 84 lcd.printf("Unmounted...\n\n");
Swabey89 5:956984cbe447 85 */
Swabey89 1:31c7b4ab552b 86
Swabey89 1:31c7b4ab552b 87 //Flash to indicate goodness
Swabey89 1:31c7b4ab552b 88 while(true) {
Swabey89 5:956984cbe447 89 greenLED = !greenLED;
Swabey89 5:956984cbe447 90 Thread::wait(500);
Swabey89 0:4afd4940a189 91 }
Swabey89 0:4afd4940a189 92 }
Swabey89 1:31c7b4ab552b 93
Swabey89 1:31c7b4ab552b 94
Swabey89 1:31c7b4ab552b 95
Swabey89 1:31c7b4ab552b 96