hw

Dependencies:   mbed LPS22HB LSM6DSL LSM303AGR HTS221

Committer:
b05901043
Date:
Thu Apr 23 07:44:49 2020 +0000
Revision:
0:9c859fc3ee1a
Child:
2:efaeb347f9c7
.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
b05901043 0:9c859fc3ee1a 1
b05901043 0:9c859fc3ee1a 2 #include "mbed.h"
b05901043 0:9c859fc3ee1a 3 #include "XNucleoIKS01A2.h"
b05901043 0:9c859fc3ee1a 4
b05901043 0:9c859fc3ee1a 5 /* Instantiate the expansion board */
b05901043 0:9c859fc3ee1a 6
b05901043 0:9c859fc3ee1a 7
b05901043 0:9c859fc3ee1a 8 // Create a DigitalOut objects for the LED
b05901043 0:9c859fc3ee1a 9 DigitalOut led(LED1);
b05901043 0:9c859fc3ee1a 10
b05901043 0:9c859fc3ee1a 11 // Create a Serial objects to communicate via USB
b05901043 0:9c859fc3ee1a 12 Serial pc(USBTX, USBRX);
b05901043 0:9c859fc3ee1a 13
b05901043 0:9c859fc3ee1a 14 // Create 2 Ticker objects for a recurring interrupts. One for blink a LED and the other one to update the sensor lectures periodicly.
b05901043 0:9c859fc3ee1a 15 Ticker blinky;
b05901043 0:9c859fc3ee1a 16 Ticker update;
b05901043 0:9c859fc3ee1a 17
b05901043 0:9c859fc3ee1a 18 volatile float TEMPERATURE_C;
b05901043 0:9c859fc3ee1a 19 volatile float TEMPERATURE_F;
b05901043 0:9c859fc3ee1a 20 volatile float TEMPERATURE_K;
b05901043 0:9c859fc3ee1a 21 volatile float HUMIDITY;
b05901043 0:9c859fc3ee1a 22 volatile float PRESSURE;
b05901043 0:9c859fc3ee1a 23
b05901043 0:9c859fc3ee1a 24 bool measurements_update = false;
b05901043 0:9c859fc3ee1a 25
b05901043 0:9c859fc3ee1a 26 void blinky_handler(){
b05901043 0:9c859fc3ee1a 27 led = !led;
b05901043 0:9c859fc3ee1a 28 }
b05901043 0:9c859fc3ee1a 29
b05901043 0:9c859fc3ee1a 30 void sensors_handler(){
b05901043 0:9c859fc3ee1a 31 measurements_update = true;
b05901043 0:9c859fc3ee1a 32 }
b05901043 0:9c859fc3ee1a 33
b05901043 0:9c859fc3ee1a 34 int main() {
b05901043 0:9c859fc3ee1a 35
b05901043 0:9c859fc3ee1a 36 /* Create a sensor shield object */
b05901043 0:9c859fc3ee1a 37 // static X_CUBE_MEMS *Sensors = X_CUBE_MEMS::Instance();
b05901043 0:9c859fc3ee1a 38 static XNucleoIKS01A2 *Sensors = XNucleoIKS01A2::instance(D14, D15, D4, D5);
b05901043 0:9c859fc3ee1a 39
b05901043 0:9c859fc3ee1a 40 /* Attach a function to be called by the Ticker objects at a specific interval in seconds*/
b05901043 0:9c859fc3ee1a 41 blinky.attach(&blinky_handler, 0.5);
b05901043 0:9c859fc3ee1a 42 update.attach(&sensors_handler, 3);
b05901043 0:9c859fc3ee1a 43
b05901043 0:9c859fc3ee1a 44 while(1) {
b05901043 0:9c859fc3ee1a 45 if(measurements_update == true){
b05901043 0:9c859fc3ee1a 46 /* Read the environmental sensors */
b05901043 0:9c859fc3ee1a 47 Sensors->ht_sensor->get_temperature((float *)&TEMPERATURE_C);
b05901043 0:9c859fc3ee1a 48 Sensors->ht_sensor->get_humidity((float *)&HUMIDITY);
b05901043 0:9c859fc3ee1a 49 Sensors->pt_sensor->get_pressure((float *)&PRESSURE);
b05901043 0:9c859fc3ee1a 50
b05901043 0:9c859fc3ee1a 51 TEMPERATURE_F = (TEMPERATURE_C * 1.8f) + 32.0f; //Convert the temperature from Celsius to Fahrenheit
b05901043 0:9c859fc3ee1a 52 TEMPERATURE_K = (TEMPERATURE_C + 273.15f); //Convert the temperature from Celsius to Kelvin
b05901043 0:9c859fc3ee1a 53 pc.printf("Temperature:\t %.2f C / %.2f F / %.2f K\r\n", TEMPERATURE_C, TEMPERATURE_F, TEMPERATURE_K);
b05901043 0:9c859fc3ee1a 54 pc.printf("Humidity:\t %.2f%%\r\n", HUMIDITY);
b05901043 0:9c859fc3ee1a 55 pc.printf("Pressure:\t %.2f hPa\r\n", PRESSURE);
b05901043 0:9c859fc3ee1a 56 pc.printf("\r\n");
b05901043 0:9c859fc3ee1a 57
b05901043 0:9c859fc3ee1a 58 measurements_update = false;
b05901043 0:9c859fc3ee1a 59 }
b05901043 0:9c859fc3ee1a 60 __wfi();
b05901043 0:9c859fc3ee1a 61 }
b05901043 0:9c859fc3ee1a 62 }