Nicholas Outram / Mbed OS ELEC350-CWTEMPLATE-2018

Demo of the sample LCD class, BMP280 Sensor and network with power on self test. Requires a network connectionb

Dependencies:   BMP280 TextLCD BME280

main.cpp@6:9a95a39d1cce, 2018-11-24 (annotated)

Committer:
noutram
Date:
Sat Nov 24 08:44:15 2018 +0000
Revision:
6:9a95a39d1cce
Parent:
3:a88838ff33e7 
simplify;

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"
noutram 2:40403785b690 3
noutram 3:a88838ff33e7 4 // This is a very short demo that demonstrates all the hardware used in the coursework.
noutram 3:a88838ff33e7 5 // You will need a network connection set up (covered elsewhere). The host PC should have the address 10.0.0.1
noutram 0:36e89e3ed7c4 6
noutram 3:a88838ff33e7 7 //Threads
noutram 3:a88838ff33e7 8 Thread nwrkThread;
noutram 1:e1cf7663f5ff 9
noutram 3:a88838ff33e7 10
noutram 1:e1cf7663f5ff 11 int main() {
noutram 1:e1cf7663f5ff 12 //Greeting
noutram 3:a88838ff33e7 13 printf("Testing\n\n");
noutram 1:e1cf7663f5ff 14
noutram 1:e1cf7663f5ff 15 //Power on self test
noutram 1:e1cf7663f5ff 16 post();
noutram 1:e1cf7663f5ff 17
noutram 3:a88838ff33e7 18 //Initialise the SD card (this needs to move)
noutram 1:e1cf7663f5ff 19 if ( sd.init() != 0) {
noutram 1:e1cf7663f5ff 20 printf("Init failed \n");
noutram 3:a88838ff33e7 21 lcd.cls();
noutram 3:a88838ff33e7 22 lcd.printf("CANNOT INIT SD");
noutram 1:e1cf7663f5ff 23 errorCode(FATAL);
noutram 1:e1cf7663f5ff 24 }
noutram 1:e1cf7663f5ff 25
noutram 1:e1cf7663f5ff 26 //Create a filing system for SD Card
noutram 1:e1cf7663f5ff 27 FATFileSystem fs("sd", &sd);
noutram 0:36e89e3ed7c4 28
noutram 1:e1cf7663f5ff 29 //Open to WRITE
noutram 1:e1cf7663f5ff 30 FILE* fp = fopen("/sd/test.csv","a");
noutram 1:e1cf7663f5ff 31 if (fp == NULL) {
noutram 1:e1cf7663f5ff 32 error("Could not open file for write\n");
noutram 3:a88838ff33e7 33 lcd.cls();
noutram 3:a88838ff33e7 34 lcd.printf("CANNOT OPEN FILE\n\n");
noutram 1:e1cf7663f5ff 35 errorCode(FATAL);
noutram 1:e1cf7663f5ff 36 }
noutram 3:a88838ff33e7 37
noutram 3:a88838ff33e7 38 //Last message before sampling begins
noutram 3:a88838ff33e7 39 lcd.cls();
noutram 3:a88838ff33e7 40 lcd.printf("READY\n\n");
noutram 3:a88838ff33e7 41
noutram 3:a88838ff33e7 42
noutram 1:e1cf7663f5ff 43 //Press either switch to unmount
noutram 1:e1cf7663f5ff 44 while ((SW1 == 0) && (SW2 == 0)) {
noutram 3:a88838ff33e7 45
noutram 3:a88838ff33e7 46 //Base loop delay
noutram 3:a88838ff33e7 47 wait(1.0);
noutram 3:a88838ff33e7 48
noutram 3:a88838ff33e7 49 //Read environmental sensors
noutram 0:36e89e3ed7c4 50 double temp = sensor.getTemperature();
noutram 0:36e89e3ed7c4 51 double pressure = sensor.getPressure();
noutram 3:a88838ff33e7 52
noutram 3:a88838ff33e7 53 //Write new data to LCD (not fast!)
noutram 3:a88838ff33e7 54 lcd.cls();
noutram 0:36e89e3ed7c4 55 lcd.printf("Temp Pressure\n");
noutram 0:36e89e3ed7c4 56 lcd.printf("%6.1f ",temp);
noutram 0:36e89e3ed7c4 57 lcd.printf("%.2f\n",pressure);
noutram 1:e1cf7663f5ff 58
noutram 3:a88838ff33e7 59 //Write to SD (potentially slow)
noutram 1:e1cf7663f5ff 60 fprintf(fp, "%6.1f,%.2f\n\r", temp, pressure);
noutram 1:e1cf7663f5ff 61 }
noutram 1:e1cf7663f5ff 62
noutram 1:e1cf7663f5ff 63 //Close File
noutram 1:e1cf7663f5ff 64 fclose(fp);
noutram 1:e1cf7663f5ff 65
noutram 1:e1cf7663f5ff 66 //Close down
noutram 1:e1cf7663f5ff 67 sd.deinit();
noutram 1:e1cf7663f5ff 68 printf("Unmounted...\n");
noutram 1:e1cf7663f5ff 69 lcd.cls();
noutram 1:e1cf7663f5ff 70 lcd.printf("Unmounted...\n\n");
noutram 1:e1cf7663f5ff 71
noutram 1:e1cf7663f5ff 72 //Flash to indicate goodness
noutram 1:e1cf7663f5ff 73 while(true) {
noutram 1:e1cf7663f5ff 74 greenLED = 1;
noutram 1:e1cf7663f5ff 75 wait(0.5);
noutram 1:e1cf7663f5ff 76 greenLED = 0;
noutram 1:e1cf7663f5ff 77 wait(0.1);
noutram 0:36e89e3ed7c4 78 }
noutram 0:36e89e3ed7c4 79 }
noutram 0:36e89e3ed7c4 80
noutram 1:e1cf7663f5ff 81
noutram 1:e1cf7663f5ff 82