main.cpp

00001 /*
00002     AM2321 Temperature and Humidity Sensor
00003     mbed Sample code
00004     
00005     Copyright (c) 2014 tomozh <tomozh@gmail.com>
00006     
00007     This software is released under the MIT License.
00008     http://opensource.org/licenses/mit-license.php
00009 
00010     Last update : 2014/05/06
00011 */
00012 
00013 #include "mbed.h"
00014 #include "AM2321.h"
00015 
00016 Serial pc(USBTX, USBRX);    // Tx, Rx
00017 AM2321 am2321(p28, p27);    // SDA, SCL
00018 DigitalOut led1(LED1);
00019 
00020 int main()
00021 {
00022     uint16_t count = 0;
00023    
00024     while(1)
00025     {
00026         led1 = !led1;
00027 
00028         if(am2321.poll())
00029         {
00030             pc.printf(
00031                   ":%05u,%.1f,%.1f\n"
00032                 , count++
00033                 , am2321.getTemperature()
00034                 , am2321.getHumidity()
00035             );
00036         }
00037 
00038         wait(0.5);
00039     }
00040     
00041     /*
00042         output
00043         -----------------------
00044         :01100,23.7,38.1
00045         :01101,23.6,38.0
00046         :01102,23.7,38.1
00047         :01103,23.6,38.0
00048         :01104,23.7,38.0
00049         :01105,23.7,38.1
00050         :01106,23.6,38.0
00051         :01107,23.7,38.0
00052         :01108,23.7,38.0
00053         :01109,23.6,38.0
00054         :01110,23.7,38.0
00055     */  
00056 }