Selvakumar Samuel / Mbed 2 deprecated ExamCode2

Use this code as template for Question 2

Dependencies:   Nucleo_Sensor_Shield mbed

main.cpp@2:28f8cd15fca4, 2018-04-10 (annotated)

Committer:
selvakumararm
Date:
Tue Apr 10 02:48:03 2018 +0000
Revision:
2:28f8cd15fca4
Parent:
1:be2eea2ae8e7 
Exam Basic Code

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kennethwfk 0:fc777b6c55d6 1
kennethwfk 0:fc777b6c55d6 2
kennethwfk 0:fc777b6c55d6 3 #include "mbed.h"
kennethwfk 0:fc777b6c55d6 4 #include "x_cube_mems.h"
kennethwfk 0:fc777b6c55d6 5
kennethwfk 0:fc777b6c55d6 6 DigitalOut led(LED1);
kennethwfk 0:fc777b6c55d6 7
kennethwfk 0:fc777b6c55d6 8 Serial pc(USBTX, USBRX);
kennethwfk 0:fc777b6c55d6 9
kennethwfk 0:fc777b6c55d6 10 Ticker blinky;
kennethwfk 0:fc777b6c55d6 11 Ticker update;
kennethwfk 0:fc777b6c55d6 12
kennethwfk 0:fc777b6c55d6 13 volatile float TEMPERATURE_C;
kennethwfk 0:fc777b6c55d6 14 volatile float TEMPERATURE_F;
kennethwfk 0:fc777b6c55d6 15 volatile float TEMPERATURE_K;
kennethwfk 0:fc777b6c55d6 16 volatile float HUMIDITY;
kennethwfk 0:fc777b6c55d6 17 volatile float PRESSURE;
kennethwfk 0:fc777b6c55d6 18
kennethwfk 0:fc777b6c55d6 19 bool measurements_update = false;
kennethwfk 0:fc777b6c55d6 20
kennethwfk 0:fc777b6c55d6 21 void blinky_handler(){
kennethwfk 0:fc777b6c55d6 22 led = !led;
kennethwfk 0:fc777b6c55d6 23 }
kennethwfk 0:fc777b6c55d6 24
kennethwfk 0:fc777b6c55d6 25 void sensors_handler(){
kennethwfk 0:fc777b6c55d6 26 measurements_update = true;
kennethwfk 0:fc777b6c55d6 27 }
kennethwfk 0:fc777b6c55d6 28
kennethwfk 0:fc777b6c55d6 29 int main() {
kennethwfk 0:fc777b6c55d6 30
selvakumararm 2:28f8cd15fca4 31
kennethwfk 0:fc777b6c55d6 32 static X_CUBE_MEMS *Sensors = X_CUBE_MEMS::Instance();
kennethwfk 0:fc777b6c55d6 33
selvakumararm 2:28f8cd15fca4 34
kennethwfk 0:fc777b6c55d6 35 blinky.attach(&blinky_handler, 0.5);
kennethwfk 0:fc777b6c55d6 36 update.attach(&sensors_handler, 3);
kennethwfk 0:fc777b6c55d6 37
kennethwfk 0:fc777b6c55d6 38 while(1) {
kennethwfk 0:fc777b6c55d6 39
kennethwfk 0:fc777b6c55d6 40 if(measurements_update == true){
kennethwfk 0:fc777b6c55d6 41 /* Read the environmental sensors */
kennethwfk 0:fc777b6c55d6 42
selvakumararm 2:28f8cd15fca4 43 <your code should be here>
selvakumararm 2:28f8cd15fca4 44
selvakumararm 2:28f8cd15fca4 45
kennethwfk 0:fc777b6c55d6 46 pc.printf("Temperature:\t %.2f C / %.2f F / %.2f K\r\n", TEMPERATURE_C, TEMPERATURE_F, TEMPERATURE_K);
kennethwfk 0:fc777b6c55d6 47 pc.printf("Humidity:\t %.2f%%\r\n", HUMIDITY);
selvakumararm 2:28f8cd15fca4 48
kennethwfk 0:fc777b6c55d6 49
kennethwfk 0:fc777b6c55d6 50 pc.printf("\r\n");
kennethwfk 0:fc777b6c55d6 51
kennethwfk 0:fc777b6c55d6 52 measurements_update = false;
kennethwfk 0:fc777b6c55d6 53 }
kennethwfk 0:fc777b6c55d6 54 __wfi();
kennethwfk 0:fc777b6c55d6 55 }
kennethwfk 0:fc777b6c55d6 56 }