![](/media/cache/group/default_image.jpg.50x50_q85.jpg)
Demo of the sample LCD class and BMP280 Sensor
Dependencies: BME280 BMP280 TextLCD ELEC350-Practicals-FZ429
Fork of ELEC350-Coursework-Template by
main.cpp
- Committer:
- noutram
- Date:
- 2017-12-06
- Revision:
- 1:e1cf7663f5ff
- Parent:
- 0:36e89e3ed7c4
- Child:
- 2:40403785b690
File content as of revision 1:e1cf7663f5ff:
#include "mbed.h" #include "TextLCD.h" #include "SDBlockDevice.h" #include "FATFileSystem.h" #include "sample_hardware.hpp" //#define BME #ifdef BME #include "BME280.h" #else #include "BMP280.h" #endif //LCD Driver //RS D9 //E D8 //D7,6,4,2 are the 4 bit for d4-7 TextLCD lcd(D9, D8, D7, D6, D4, D2); // rs, e, d4-d7 SDBlockDevice sd(PB_5, D12, D13, D10); // mosi, miso, sclk, cs int main() { //Greeting lcd.printf("Testing\n\n"); //Power on self test post(); //Initialise the SD card if ( sd.init() != 0) { printf("Init failed \n"); errorCode(FATAL); } //Create a filing system for SD Card FATFileSystem fs("sd", &sd); //Open to WRITE FILE* fp = fopen("/sd/test.csv","a"); if (fp == NULL) { error("Could not open file for write\n"); errorCode(FATAL); } //Press either switch to unmount while ((SW1 == 0) && (SW2 == 0)) { double temp = sensor.getTemperature(); double pressure = sensor.getPressure(); lcd.printf("Temp Pressure\n"); lcd.printf("%6.1f ",temp); lcd.printf("%.2f\n",pressure); //Write to SD fprintf(fp, "%6.1f,%.2f\n\r", temp, pressure); wait(1.0); } //Close File fclose(fp); //Close down sd.deinit(); printf("Unmounted...\n"); lcd.cls(); lcd.printf("Unmounted...\n\n"); //Flash to indicate goodness while(true) { greenLED = 1; wait(0.5); greenLED = 0; wait(0.1); } }