Jia Jun Ong / Mbed 2 deprecated SectionB-2OngJiaJun

Updated

Dependencies:   mbed Nucleo_Sensor_Shield

main.cpp@4:1c3a109a6f6f, 2019-02-15 (annotated)

Committer:
ongjiajun
Date:
Fri Feb 15 06:27:31 2019 +0000
Revision:
4:1c3a109a6f6f
Parent:
3:53d2d440a695 
Updated

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kennethwfk 0:fc777b6c55d6 1 #include "mbed.h"
kennethwfk 0:fc777b6c55d6 2 #include "x_cube_mems.h"
kennethwfk 0:fc777b6c55d6 3
kennethwfk 0:fc777b6c55d6 4 DigitalOut led(LED1);
kennethwfk 0:fc777b6c55d6 5
kennethwfk 0:fc777b6c55d6 6 Serial pc(USBTX, USBRX);
kennethwfk 0:fc777b6c55d6 7
kennethwfk 0:fc777b6c55d6 8 Ticker blinky;
kennethwfk 0:fc777b6c55d6 9 Ticker update;
kennethwfk 0:fc777b6c55d6 10
kennethwfk 0:fc777b6c55d6 11 volatile float TEMPERATURE_C;
ongjiajun 4:1c3a109a6f6f 12 volatile float TEMPERATURE_K;
ongjiajun 4:1c3a109a6f6f 13 volatile float HUMIDITY;
ongjiajun 4:1c3a109a6f6f 14 volatile float PRESSURE;
kennethwfk 0:fc777b6c55d6 15
kennethwfk 0:fc777b6c55d6 16 bool measurements_update = false;
kennethwfk 0:fc777b6c55d6 17
kennethwfk 0:fc777b6c55d6 18 void blinky_handler(){
kennethwfk 0:fc777b6c55d6 19 led = !led;
kennethwfk 0:fc777b6c55d6 20 }
kennethwfk 0:fc777b6c55d6 21
kennethwfk 0:fc777b6c55d6 22 void sensors_handler(){
kennethwfk 0:fc777b6c55d6 23 measurements_update = true;
kennethwfk 0:fc777b6c55d6 24 }
kennethwfk 0:fc777b6c55d6 25
kennethwfk 0:fc777b6c55d6 26 int main() {
kennethwfk 0:fc777b6c55d6 27
selvakumararm 2:28f8cd15fca4 28
kennethwfk 0:fc777b6c55d6 29 static X_CUBE_MEMS *Sensors = X_CUBE_MEMS::Instance();
kennethwfk 0:fc777b6c55d6 30
selvakumararm 2:28f8cd15fca4 31
kennethwfk 0:fc777b6c55d6 32 blinky.attach(&blinky_handler, 0.5);
kennethwfk 0:fc777b6c55d6 33 update.attach(&sensors_handler, 3);
kennethwfk 0:fc777b6c55d6 34
kennethwfk 0:fc777b6c55d6 35 while(1) {
kennethwfk 0:fc777b6c55d6 36
kennethwfk 0:fc777b6c55d6 37 if(measurements_update == true){
kennethwfk 0:fc777b6c55d6 38 /* Read the environmental sensors */
ongjiajun 4:1c3a109a6f6f 39 Sensors->hts221.GetTemperature((float*)&TEMPERATURE_C);
ongjiajun 4:1c3a109a6f6f 40 Sensors->hts221.GetHumidity((float*)&HUMIDITY);
selvakumararm 2:28f8cd15fca4 41
ongjiajun 4:1c3a109a6f6f 42 TEMPERATURE_K = (TEMPERATURE_C * 273.15F); //Convert the temperature from Celcius to Kelvin
selvakumararm 2:28f8cd15fca4 43
ongjiajun 4:1c3a109a6f6f 44 pc.printf("Temperature:\t %.2f C / %.2f K\r\n", TEMPERATURE_C, TEMPERATURE_K);
ongjiajun 4:1c3a109a6f6f 45 pc.printf("Pressure:\t%.2f%%\n", HUMIDITY);
kennethwfk 0:fc777b6c55d6 46 pc.printf("\r\n");
kennethwfk 0:fc777b6c55d6 47
kennethwfk 0:fc777b6c55d6 48 measurements_update = false;
kennethwfk 0:fc777b6c55d6 49 }
kennethwfk 0:fc777b6c55d6 50 __wfi();
kennethwfk 0:fc777b6c55d6 51 }
kennethwfk 0:fc777b6c55d6 52 }