Ka Yu Ho
coen490 controller
Revision 0:845bbc545b56, committed 2017-03-07
- Comitter:
- kayu
- Date:
- Tue Mar 07 18:35:22 2017 +0000
- Commit message:
- First commit; included Temperature and humidity code
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/DHT.lib Tue Mar 07 18:35:22 2017 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/Wimpie/code/DHT/#9b5b3200688f
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Mar 07 18:35:22 2017 +0000
@@ -0,0 +1,62 @@
+#include "mbed.h"
+#include "DHT/DHT.h"
+#include <string>
+
+using namespace std;
+
+DHT sensor(A2,DHT22);
+Serial pc(SERIAL_TX,SERIAL_RX);
+Serial xbee(A0,A1);
+
+void getTemperatueHumidity(){
+ int err;
+ pc.printf("\r\nStarting to gather temperature and humidity......\n");
+ pc.printf("\r\n******************\r\n");
+ wait(1); // wait 1 second for device stable status
+ while (1) {
+
+ err = sensor.readData();
+ if (err == 0) {
+ pc.printf("Temperature is %4.2f C \r\n",sensor.ReadTemperature(CELCIUS));
+ pc.printf("Temperature is %4.2f F \r\n",sensor.ReadTemperature(FARENHEIT));
+ pc.printf("Temperature is %4.2f K \r\n",sensor.ReadTemperature(KELVIN));
+ pc.printf("Humidity is %4.2f \r\n",sensor.ReadHumidity());
+
+ xbee.printf("Temperature is %4.2f C \r\n",sensor.ReadTemperature(CELCIUS));
+ xbee.printf("Temperature is %4.2f F \r\n",sensor.ReadTemperature(FARENHEIT));
+ xbee.printf("Temperature is %4.2f K \r\n",sensor.ReadTemperature(KELVIN));
+ xbee.printf("Humidity is %4.2f \r\n",sensor.ReadHumidity());
+
+ return;
+ } else {
+ pc.printf("\r\nErr %i \n",err);
+ xbee.printf("\r\nErr %i \n",err);
+ }
+ wait(5);
+ }
+}
+
+void printInit(){
+ xbee.printf("Awaiting User Command....\n");
+}
+
+int main() {
+
+ char a;
+ printInit();
+ while(1){
+ a = xbee.getc();
+ if(a == 'T'){
+ getTemperatueHumidity();
+ a = NULL;
+ printInit();
+ }
+
+ if( a == 'G'){
+ //GPS function
+ a = NULL;
+ printInit();
+ }
+ }
+}
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Mar 07 18:35:22 2017 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/e1686b8d5b90 \ No newline at end of file