ARM_MCR_EEE / Mbed 2 deprecated Temp_Humidity_Example_And_Drivers

Drivers and example program

Dependencies:   DHT mbed

Fork of Seeed_Grove_Temp_Humidity_Example by Seeed

main.cpp@2:5f336f6ec4d5, 2015-11-06 (annotated)

Committer:
alex0612
Date:
Fri Nov 06 16:38:49 2015 +0000
Revision:
2:5f336f6ec4d5
Parent:
0:c12c28a0f9e7 
driver and example code

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sam_grove 0:c12c28a0f9e7 1
sam_grove 0:c12c28a0f9e7 2 #include "mbed.h"
sam_grove 0:c12c28a0f9e7 3 #include "DHT.h"
sam_grove 0:c12c28a0f9e7 4
sam_grove 0:c12c28a0f9e7 5 DHT sensor(D4, DHT11);
alex0612 2:5f336f6ec4d5 6 DigitalOut myled(LED1);
alex0612 2:5f336f6ec4d5 7 Serial pc(USBTX, USBRX); // tx, rx
sam_grove 0:c12c28a0f9e7 8
sam_grove 0:c12c28a0f9e7 9 int main()
sam_grove 0:c12c28a0f9e7 10 {
sam_grove 0:c12c28a0f9e7 11 int error = 0;
sam_grove 0:c12c28a0f9e7 12 float h = 0.0f, c = 0.0f, f = 0.0f, k = 0.0f, dp = 0.0f, dpf = 0.0f;
sam_grove 0:c12c28a0f9e7 13
sam_grove 0:c12c28a0f9e7 14 while(1) {
sam_grove 0:c12c28a0f9e7 15 wait(2.0f);
sam_grove 0:c12c28a0f9e7 16 error = sensor.readData();
sam_grove 0:c12c28a0f9e7 17 if (0 == error) {
sam_grove 0:c12c28a0f9e7 18 c = sensor.ReadTemperature(CELCIUS);
sam_grove 0:c12c28a0f9e7 19 f = sensor.ReadTemperature(FARENHEIT);
sam_grove 0:c12c28a0f9e7 20 k = sensor.ReadTemperature(KELVIN);
sam_grove 0:c12c28a0f9e7 21 h = sensor.ReadHumidity();
sam_grove 0:c12c28a0f9e7 22 dp = sensor.CalcdewPoint(c, h);
sam_grove 0:c12c28a0f9e7 23 dpf = sensor.CalcdewPointFast(c, h);
alex0612 2:5f336f6ec4d5 24 pc.printf("Temperature in Kelvin: %4.2f, Celcius: %4.2f, Farenheit %4.2f\n", k, c, f);
alex0612 2:5f336f6ec4d5 25 pc.printf("Humidity is %4.2f, Dewpoint: %4.2f, Dewpoint fast: %4.2f\n", h, dp, dpf);
sam_grove 0:c12c28a0f9e7 26 } else {
alex0612 2:5f336f6ec4d5 27 pc.printf("Error: %d\n", error);
sam_grove 0:c12c28a0f9e7 28 }
sam_grove 0:c12c28a0f9e7 29 }
sam_grove 0:c12c28a0f9e7 30 }