Revision 3:7db4d6319754, committed 2013-04-29

Comitter:

yongqiangwang

Date:

Mon Apr 29 23:39:45 2013 +0000

Parent:

2:6a62f29b1bb5

Commit message:

Weather Alert System

Changed in this revision

diff -r 6a62f29b1bb5 -r 7db4d6319754 WeatherMeters.cpp
--- a/WeatherMeters.cpp	Fri Jun 03 14:34:54 2011 +0000
+++ b/WeatherMeters.cpp	Mon Apr 29 23:39:45 2013 +0000
@@ -15,6 +15,10 @@
 
 #define WEATHER_VREF 3.3
 
+
+DigitalOut rain(LED2);
+DigitalOut test(LED3);
+
 const float tbl_windvane[16][2] = {
   {0.0, 33000}, {22.5, 6570}, {45.0, 8200}, {67.5, 891},
   {90.0, 1000}, {112.5, 688}, {135.0, 2200}, {157.5, 1410},
@@ -100,6 +104,16 @@
 }
 
 void WeatherMeters::int_raingauge () {
+    if (rain == 1)
+    {
+        rain = 0;
+        wait (0.1);
+    }
+    else 
+    {
+        rain = 1;
+        wait (0.1);
+    }   
     count_rain ++;
 }
 
@@ -124,16 +138,30 @@
     }
     
     time_rain ++;
-    if (time_rain >= 4 * 300) {
+    if (time_rain >= 100) {
         n = 0;
         for (i = 11; i > 0; i --) {
             buf_rain[i] = buf_rain[i - 1];
             n = n + buf_rain[i];
+            
         }
         buf_rain[0] = count_rain;
         n = n + buf_rain[0];
+      
+     
         count_rain = 0;
         time_rain = 0;
         raingauge = n;
     }
+    
+      if (test == 1)
+            {
+                test  = 0;
+                wait (0.2);
+            }
+            else
+            { 
+                test = 1;
+                wait (0.2);
+             }
 }

diff -r 6a62f29b1bb5 -r 7db4d6319754 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Apr 29 23:39:45 2013 +0000
@@ -0,0 +1,91 @@
+#include "mbed.h"
+#include "SCP1000.h"
+#include "SHTx/sht15.hpp"
+#include "WeatherMeters.h"
+ 
+Serial Xbee1(p13, p14);
+DigitalOut rst1(p16);
+
+SCP1000 scp1000(p5,p6,p7,p17);
+
+SHTx::SHT15 sensor(p28, p27);
+
+AnalogIn ain(p20);
+DigitalOut busy(LED1);
+
+Serial pc(USBTX, USBRX);
+
+WeatherMeters station(p8, p15, p10, Weather_auto);
+
+float w_speed = 0.0;
+float w_direction = 0.0;
+float w_raingauge = 0.0;
+
+char a = 'T';
+char data[15];
+ 
+void xbeesend(float x)
+{
+    sprintf(data, "%5.1f", x);
+        
+    int i = 0;
+    while (data[i] != NULL)
+    {
+        Xbee1.putc(data[i]);
+        i++;
+    }
+
+    Xbee1.putc (' ');
+}
+ 
+int main() {
+
+    rst1 = 0;   //Set reset pin to 0
+    wait_ms(1);
+    rst1 = 1;   //Set reset pin to 1
+    wait_ms(1);
+   
+    while(1) {               
+              
+        w_speed = station.get_windspeed();
+        w_direction = station.get_windvane();
+        w_raingauge = station.get_raingauge();
+        
+        pc.printf("Wind speed: %4.1f m/s\r\n", w_speed);
+        Xbee1.putc ('S');
+        xbeesend (w_speed);
+        
+        pc.printf("Wind direction: %4.0f\r\n", w_direction);
+        xbeesend (w_direction);
+        
+        pc.printf("Rain Gauge: %4.1f\r\n\n", w_raingauge);
+        xbeesend (w_raingauge);
+     
+        
+        busy = true;
+        sensor.update();
+        busy = false;     
+        
+        sensor.setOTPReload(false);
+        sensor.setResolution(true);
+ 
+        sensor.setScale(false);
+        pc.printf("Temperature [ %3.1f C ]\r\n", sensor.getTemperature());
+
+        xbeesend (sensor.getTemperature());
+        
+        pc.printf("Humdity     [ %3.1f %% ]\r\n\n", sensor.getHumidity());
+        xbeesend (sensor.getHumidity());
+       
+        pc.printf("The pressure is %d Pa \r\n\n", scp1000.readPressure());
+        xbeesend (scp1000.readPressure());
+        
+        pc.printf("Sun light intensity is %3.1f %%\r\n\n", ain * 100);
+        xbeesend (ain * 100);
+        
+        Xbee1.putc ('@');
+
+        wait(5);
+    }
+}
+