Diff: main.cpp

Revision:

0:dbaef09f6d82

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Jan 20 15:47:07 2020 +0000
@@ -0,0 +1,107 @@
+#include "mbed.h"
+#include "DHT.h"
+#include "Pulse.h"
+#include "RangeFinder.h"
+#include "WakeUp.h"
+
+
+RangeFinder rf(D12, 10, 5800, 100000); //(Pin, duree du pulse en us, distance [m] = pulse width [us] / 5800 [us / m] , temps de fonctionnement)
+
+DigitalOut led(LED1);
+Serial serial(D1, D0);
+Serial pc(USBTX, USBRX);
+DHT HTSensor(D10,22);
+AnalogIn battery(A1);
+
+
+int main()
+{
+
+    pc.printf("Starting...\n\r\n\r");
+
+    float d;
+    int dInt;
+    
+    float temperature;
+    int tInt;
+    float humidity;
+    int hInt;
+    float b;
+    int bInt;
+    int cpt = 0;
+  
+      
+    // Depending on the waterway
+    float sensor_limit = 4.0*100.0;
+    float danger_limit = 50.0;
+    int danger_time = 15;
+    int default_time = 30;
+    int sending_interval = 3600; //every hour (1h = 3600 s)
+    
+    while (1)   
+    {   
+        //reduced battery level measurement (between 0 V et 1.85 V) 
+        b = battery.read()*3.3f;
+        bInt = (int)(b*100/3.3f);
+        
+        /*pc.printf("Voltage = %f volts\r\n\r\n", b);
+        pc.printf("Voltage code = %d percentage\r\n\r\n", bInt);*/
+                 
+        //Humidity and temperature measurement
+        
+        HTSensor.readData();
+        wait_us(500);
+        
+        temperature = HTSensor.ReadTemperature(KELVIN) - 273,15;
+        tInt = (int) (temperature + 40);
+        humidity = HTSensor.ReadHumidity();
+        hInt = (int) humidity;
+        
+        //level measurement
+        d = rf.read_m();
+        d = d*100;
+        if (d < 0)  
+        {
+            d = 0;
+            //Timeout Error
+            WakeUp::set(default_time); //time in second
+            deepsleep();
+            cpt += default_time; 
+
+        } 
+        else if (d >= sensor_limit) 
+        {
+            // Seeed's sensor has a maximum range of 4m, it returns
+            // something like 7m if the ultrasound pulse isn't reflected.
+            d = sensor_limit;
+            WakeUp::set(default_time); //time in second
+            deepsleep();
+            cpt += Temps_default; 
+        }
+        else if (d <= danger_limit) //Inondation
+        {
+            dInt = (int)d;
+            //Data sending
+            serial.printf("AT$SF=%04x%02x%02x%02x\r\n",dInt,tInt,hInt, bInt);
+            
+            WakeUp::set(danger_time); //time in second
+            deepsleep();
+            cpt += danger_time;
+        }
+        else
+        {            
+            //Data sending            
+            WakeUp::set(default_time); //time in second
+            deepsleep();
+            cpt += default_time;
+        }
+        
+        if (cpt >= sending_interval)
+        {
+            dInt = (int)d;
+            serial.printf("AT$SF=%04x%02x%02x%02x\r\n",dInt,tInt,hInt, bInt);
+            cpt = 0;
+        }
+
+    }
+}
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