Revision 0:f4363c986bec, committed 2018-05-05

Comitter:

azila

Date:

Sat May 05 07:54:49 2018 +0000

Commit message:

89 IOT

Changed in this revision

diff -r 000000000000 -r f4363c986bec DHT.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DHT.lib	Sat May 05 07:54:49 2018 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/users/azila/code/DHT/#222e0f88f849

diff -r 000000000000 -r f4363c986bec NetServices.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/NetServices.lib	Sat May 05 07:54:49 2018 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/segundo/code/NetServices/#4e2468d7d5cb

diff -r 000000000000 -r f4363c986bec main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat May 05 07:54:49 2018 +0000
@@ -0,0 +1,275 @@
+
+#include "mbed.h"
+#include "DHT.h"
+#include "BMP180.h"
+#include "EthernetNetIf.h"
+#include "HTTPClient.h"
+#include "iostream"
+ 
+ 
+// networking stuff
+EthernetNetIf eth;
+HTTPClient http;
+ 
+ 
+char* thingSpeakUrl = "http://api.thingspeak.com/update";
+char* thingSpeakKey = "ACRZWAPJ8A7M4ZNA";
+ 
+char urlBuffer[256];
+char timeBuffer[64];
+
+DigitalOut myled(LED1);
+DigitalOut myled1(LED4);
+
+DHT sensor (p23,DHT11); //Use the sensor
+Serial pc(USBTX,USBRX);
+
+DigitalOut myled3(LED3);
+DigitalOut ledPower(p26);
+
+BusOut myled2(p21,p24);//to set the state of the output pin
+
+AnalogIn analog_value(p18);
+AnalogIn LDR(p20);
+
+I2C i2c(p9,p10);
+BMP180 bmp180(&i2c);
+
+AnalogIn water(p17);
+
+DigitalIn infrared(p22);
+DigitalOut myled22(p25);
+
+int samplingTime = 280; //280 microseconds
+int deltaTime = 40; //40 us to give total pulse width of 0.32ms
+int sleepTime = 9680; //LED off for 9680 us to take 1 measurement per second 
+
+float dustDensitySharp = 0,
+voMeasured=0, voCalc=0;
+
+float value;           
+float level;
+
+int isObstacle;
+int reading;
+int pressure;
+int main()
+{
+    printf("Start\r\n");
+ 
+    printf("Setting up Ethernet...\r\n");
+    EthernetErr ethErr = eth.setup();
+    if(ethErr)
+    {
+        printf("Error %d in ethernet setup.\r\n", ethErr);
+
+    }
+    printf("Ethernet setup OK\r\n");
+
+
+    
+    
+    
+    
+    while (1)
+    {
+          //wait 1 second for device stable status
+    
+      
+        wait(1);   //wait 1 sec for device stable status
+    
+      {  myled = 1;
+        reading = sensor.readData();
+        if (reading == 0)
+        {
+            printf("\r\nDHT11 HUMIDITY");
+            printf("\r\n************************************\r\n");
+            wait(1);
+            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());
+            pc.printf("Dew point is %4.2f \r\n",sensor.CalcdewPoint(sensor.ReadTemperature(CELCIUS),sensor.ReadHumidity()));
+            pc.printf("Dew point (fast)is %4.2f \r\n",sensor.CalcdewPointFast(sensor.ReadTemperature(CELCIUS),sensor.ReadHumidity()));
+            wait(1);
+            }
+            else
+               {
+                 printf("\r\nreading %i \n",reading);
+                myled = 0;
+                wait (1.0);
+             }
+             
+        }    
+    {
+     myled3 = !myled3;
+     
+     ledPower=0;   //power on the LED. Pull-down to activate
+     wait_us(samplingTime);
+     voMeasured = analog_value;  //Converts and read the analog input value
+     wait_us(deltaTime);
+     ledPower=1; //turn the LED off.Pull up to turn off
+     wait_us(sleepTime);
+     
+     voCalc = voMeasured * 3.3; //Map 0:1 measured range to 0:3.3V
+     
+     dustDensitySharp = 0.5/2.8 * (float(voCalc)- 0.7);
+    printf("\r\nGP2Y1010AU0F DustSensor");
+    printf("\r\n**********************\r\n");
+     
+     pc.printf("Sharp's Dust Density [mg/m3]:= %f\n\r",dustDensitySharp); //send temp to PC
+     
+     wait(1);
+     
+     
+     
+     
+ }    
+     
+     {
+      if (bmp180.init() != 0) {
+            printf("Error communicating with BMP180\n");
+        } else {
+            printf("Initialized BMP180\n");
+           
+        }
+        wait(1);
+        }
+        
+     {
+        bmp180.startTemperature();
+        wait_ms(5);     // Wait for conversion to complete
+        float temp;
+        if(bmp180.getTemperature(&temp) != 0) {
+            printf("Error getting temperature\n");
+            continue;
+        }
+
+        bmp180.startPressure(BMP180::ULTRA_LOW_POWER);
+        wait_ms(10);    // Wait for conversion to complete
+        
+
+        printf("\r\nBMP180 Pressure");
+        
+    printf("\r\n*******************************\r\n");
+    wait(1);  //wait 1 second for device stable status
+    
+        if(bmp180.getPressure(&pressure) != 0) {
+            printf("Error getting pressure\n");
+            continue;
+        }
+
+        pc.printf("Pressure = %d Pa Temperature = %f C", pressure);
+        pc.printf("\r\nTemp is %4.2f degC\r\n",temp);  
+        pc.printf("\r\nPressure = %d Pa     Temperature = %f C\n",pressure,temp);
+        wait(1);
+        
+
+        }
+        {
+             printf("\r\nLDR SENSOR");
+             
+             printf("\r\n********************************\r\n");
+        wait(1); //wait 1 second for device stable status
+        
+        myled = LDR.read_u16()/65; //2^16 durch 10
+        
+        pc.printf("\r%u%f\n",(LDR.read_u16()/64),LDR.read());
+        
+        wait(1);
+        
+        
+        if(LDR.read()>0.120)
+        {
+            myled = 1;
+        }
+        
+        
+        else
+        {
+            myled = 0;
+        }
+        
+        }
+      {
+       printf("\r\nWATER LEVEL SENSOR");
+       printf("\r\n********************************\r\n");
+       
+       value = water.read(); //Read data from analog pin and store it to value variable
+       level = value *100 ;
+       pc.printf("\r\n%f",value);
+        
+        pc.printf("\r\n%f",level);
+        
+    if (level>0 && level<=10){ 
+        pc.printf("\r\nWATER LEVEL VERY LOW!\r\n\r\n"); 
+        pc.printf("WARNING : PLEASE ALERT!\r\n\r\n"); 
+    }
+    else if (level>10 && level<=25){ 
+        pc.printf("\r\nWATER LEVEL is less than 5cm\r\n\r\n"); 
+        pc.printf("\r\nWARNING : WATER LEVEL IS LOW!\r\n\r\n"); 
+    }
+    else if (level>25 && level<=55){ 
+        pc.printf("\r\nWATER LEVEL is NORMAL\r\n\r\n"); 
+    } 
+     else if (level>55  && level<=60){ 
+        pc.printf("\r\nWARNING :WATER LEVEL is HIGH\r\n\r\n");
+   }
+    wait(5); // Check for new value every 5 sec
+    
+        
+    
+    }
+    
+     
+     {
+     printf("INFRARED SENSOR");
+     printf("\r\n********************************\r\n");
+     
+    isObstacle = infrared.read();
+    //pc.printf("\r\n%i",isObstacle);
+    
+    if (isObstacle == 0){
+        myled22 = 0;
+        pc.printf("NO PARKING AVAILABLE\r\n\r\n");
+        }
+    else
+    {
+        pc.printf("AVAILABLE PARKING\r\n\r\n");
+        myled22 = 1; 
+        }
+    wait(1);  
+    
+    }  
+    
+    urlBuffer[0] = 0;
+        sprintf(urlBuffer, "%s?key=%s  &field1=%f  &field2=%f  &field3=%d  &field4=%u%f &field5=%f", thingSpeakUrl, thingSpeakKey,sensor.ReadHumidity(), dustDensitySharp, pressure,(LDR.read_u16()/64),LDR.read(),level);
+        printf("Request to %s\r\n", urlBuffer);
+       
+        HTTPText resp;
+        HTTPResult res = http.get(urlBuffer, &resp);
+        if (res == HTTP_OK)
+        {
+            printf("Result :\"%s\"\r\n", resp.gets());
+        }
+        else
+        {
+            printf("Error %d\r\n", res);
+        }
+       
+        wait(16); // limited by ThingSpeak's API
+         
+        
+     
+         
+        
+     }
+   } 
+ 
+
+          
+
+        
+         
\ No newline at end of file

diff -r 000000000000 -r f4363c986bec mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Sat May 05 07:54:49 2018 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/63bcd7ba4912