Seeed / Mbed 2 deprecated Seeed_Grove_Temp_Humidity_Example

Temp and Humidity sensor example. DHT11

Dependencies:   DHT mbed

main.cpp@0:c12c28a0f9e7, 2014-08-15 (annotated)

Committer:
sam_grove
Date:
Fri Aug 15 20:59:57 2014 +0000
Revision:
0:c12c28a0f9e7
Initial commit

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);
sam_grove 0:c12c28a0f9e7 6
sam_grove 0:c12c28a0f9e7 7 int main()
sam_grove 0:c12c28a0f9e7 8 {
sam_grove 0:c12c28a0f9e7 9 int error = 0;
sam_grove 0:c12c28a0f9e7 10 float h = 0.0f, c = 0.0f, f = 0.0f, k = 0.0f, dp = 0.0f, dpf = 0.0f;
sam_grove 0:c12c28a0f9e7 11
sam_grove 0:c12c28a0f9e7 12 while(1) {
sam_grove 0:c12c28a0f9e7 13 wait(2.0f);
sam_grove 0:c12c28a0f9e7 14 error = sensor.readData();
sam_grove 0:c12c28a0f9e7 15 if (0 == error) {
sam_grove 0:c12c28a0f9e7 16 c = sensor.ReadTemperature(CELCIUS);
sam_grove 0:c12c28a0f9e7 17 f = sensor.ReadTemperature(FARENHEIT);
sam_grove 0:c12c28a0f9e7 18 k = sensor.ReadTemperature(KELVIN);
sam_grove 0:c12c28a0f9e7 19 h = sensor.ReadHumidity();
sam_grove 0:c12c28a0f9e7 20 dp = sensor.CalcdewPoint(c, h);
sam_grove 0:c12c28a0f9e7 21 dpf = sensor.CalcdewPointFast(c, h);
sam_grove 0:c12c28a0f9e7 22 printf("Temperature in Kelvin: %4.2f, Celcius: %4.2f, Farenheit %4.2f\n", k, c, f);
sam_grove 0:c12c28a0f9e7 23 printf("Humidity is %4.2f, Dewpoint: %4.2f, Dewpoint fast: %4.2f\n", h, dp, dpf);
sam_grove 0:c12c28a0f9e7 24 } else {
sam_grove 0:c12c28a0f9e7 25 printf("Error: %d\n", error);
sam_grove 0:c12c28a0f9e7 26 }
sam_grove 0:c12c28a0f9e7 27 }
sam_grove 0:c12c28a0f9e7 28 }