main.cpp

00001 #include "mbed.h"
00002 #include "DHT.h"
00003 
00004 DigitalOut myled(LED1);
00005 
00006 DHT sensor(A2,DHT22); // Use the SEN11301P sensor
00007 Serial pc(SERIAL_TX,SERIAL_RX);
00008 Serial xbee(A0,A1);
00009 int main() {
00010     int err;
00011     pc.printf("\r\nDHT Test program");
00012     pc.printf("\r\n******************\r\n");
00013     wait(1); // wait 1 second for device stable status
00014     while (1) {
00015         myled = 1;
00016         err = sensor.readData();
00017         if (err == 0) {
00018             pc.printf("Temperature is %4.2f C \r\n",sensor.ReadTemperature(CELCIUS));
00019             pc.printf("Temperature is %4.2f F \r\n",sensor.ReadTemperature(FARENHEIT));
00020             pc.printf("Temperature is %4.2f K \r\n",sensor.ReadTemperature(KELVIN));
00021             pc.printf("Humidity is %4.2f \r\n",sensor.ReadHumidity());
00022             pc.printf("Dew point is %4.2f  \r\n",sensor.CalcdewPoint(sensor.ReadTemperature(CELCIUS), sensor.ReadHumidity()));
00023             pc.printf("Dew point (fast) is %4.2f  \r\n",sensor.CalcdewPointFast(sensor.ReadTemperature(CELCIUS), sensor.ReadHumidity()));
00024             xbee.printf("Temperature is %4.2f C \r\n",sensor.ReadTemperature(CELCIUS));
00025             xbee.printf("Temperature is %4.2f F \r\n",sensor.ReadTemperature(FARENHEIT));
00026             xbee.printf("Temperature is %4.2f K \r\n",sensor.ReadTemperature(KELVIN));
00027             xbee.printf("Humidity is %4.2f \r\n",sensor.ReadHumidity());
00028             xbee.printf("Dew point is %4.2f  \r\n",sensor.CalcdewPoint(sensor.ReadTemperature(CELCIUS), sensor.ReadHumidity()));
00029             xbee.printf("Dew point (fast) is %4.2f  \r\n",sensor.CalcdewPointFast(sensor.ReadTemperature(CELCIUS), sensor.ReadHumidity()));
00030         } else
00031             pc.printf("\r\nErr %i \n",err);
00032             xbee.printf("\r\nErr %i \n",err);
00033         
00034         myled = 0;
00035         wait(5);
00036     }
00037 }