Revision 3:346b49152f1e, committed 2015-10-28

Comitter:

pro100kot14

Date:

Wed Oct 28 20:49:13 2015 +0000

Parent:

2:ad2653bcf93f

Child:

4:7cd67d988145

Commit message:

Added the class that implements the data transmission through the module nRF24L01;; Running waiting for requests and responses to them

Changed in this revision

--- a/Illumination.h	Thu Oct 22 20:31:06 2015 +0000
+++ b/Illumination.h	Wed Oct 28 20:49:13 2015 +0000
@@ -2,7 +2,7 @@
 #define ILLUMINATION_H
 
 enum Illumination{
-    dark, veryCloudy, cloudy, clear, verySunny
+    DARK, VERY_CLOUDLY, CLOUDLY, CLEAR, VERY_SUNNY
 };
 
 #endif
\ No newline at end of file

--- a/Photoresistor.cpp	Thu Oct 22 20:31:06 2015 +0000
+++ b/Photoresistor.cpp	Wed Oct 28 20:49:13 2015 +0000
@@ -9,12 +9,12 @@
     
     if(realV > 0){
         double resistance = (10.0 * 3.3) / realV - 10.0; //resistance in kOhms.
-        if(resistance >= 1000.0) return dark;
-        if(resistance >= 19.0) return veryCloudy; //approximately <10 lx
-        if(resistance >= 0.7) return cloudy; //approximately <5000 lx
-        if(resistance >= 0.25) return clear; //approximately <10000 lx
-        return verySunny; //approximately >10000 lx
+        if(resistance >= 1000.0) return DARK;
+        if(resistance >= 19.0) return VERY_CLOUDLY; //approximately <10 lx
+        if(resistance >= 0.7) return CLOUDLY; //approximately <5000 lx
+        if(resistance >= 0.25) return CLEAR; //approximately <10000 lx
+        return VERY_SUNNY; //approximately >10000 lx
     }else{
-            return dark; //resistance == +inf. No light 
+            return DARK; //resistance == +inf. No light 
         }
 }
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/RequestsCodes.h	Wed Oct 28 20:49:13 2015 +0000
@@ -0,0 +1,10 @@
+#ifndef REQUESTSCODES_H
+#define REQUESTSCODES_H
+
+enum RequestsCodes{
+    SHADE_TEMPERATURE = 101,
+    LIGHT_TEMPERATURE,
+    LIGHT,
+};
+
+#endif
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WirelessListener.cpp	Wed Oct 28 20:49:13 2015 +0000
@@ -0,0 +1,74 @@
+#include "WirelessListener.h"
+
+WirelessListener::WirelessListener(uint64_t readPipe, uint64_t writePipe){
+    this->readPipe = readPipe;
+    this->writePipe = writePipe;
+    
+    radio = new RF24(P1_22, P1_21, P1_20, P1_25, P1_24);
+    wirelessInit();
+    
+    termTmp36 = new ThermometerTmp36(AnalogIn(A0));
+    term503 = new Thermistor(AnalogIn(A1), 0.001995, 0.00007997, 0.0000003863);
+    //term503->setError(-5000);
+    photores = new Photoresistor(AnalogIn(A2));
+    
+    
+}
+
+WirelessListener::~WirelessListener(){
+    delete(radio);
+    delete(termTmp36);
+    delete(term503);
+    delete(photores);
+}
+
+void WirelessListener::wirelessInit(){
+    radio->begin();
+    radio->setAutoAck(true);
+    radio->enableAckPayload();
+    radio->powerUp();
+    radio->setPALevel(RF24_PA_HIGH);
+    radio->setDataRate(RF24_2MBPS);
+    radio->setRetries(15,15); // Retry 15 times with 4000us delay between retries.
+    radio->openReadingPipe(1,readPipe);
+    radio->openWritingPipe(writePipe);   
+}
+
+void WirelessListener::startListening(){
+    radio->startListening();
+    //--------------------------------
+    //платформозависимая от базы часть
+        short request;
+        short response;
+    //--------------------------------
+    while(1){
+        if(radio->available()){
+        #ifdef DEBUG
+            pc.printf("available()\r\n");
+        #endif
+        radio->read(&request, sizeof(request));
+        #ifdef DEBUG
+            pc.printf("request = %d\r\n", request);
+        #endif
+        switch(request){
+        case SHADE_TEMPERATURE:
+            response = termTmp36->getTemperature()*100.0;
+            break;
+        case LIGHT_TEMPERATURE:
+            response = term503->getTemperature()*100.0;
+            break;   
+        case LIGHT:
+            response = photores->getIllumination();
+            break;
+        default:
+            response = 0;
+        }
+        #ifdef DEBUG
+        pc.printf("response = %d\r\n", response);
+        #endif
+        radio->stopListening();
+        radio->write(&response, sizeof(response));
+        radio->startListening();
+        }
+    }    
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WirelessListener.h	Wed Oct 28 20:49:13 2015 +0000
@@ -0,0 +1,58 @@
+#ifndef WIRELESSLISTENER_H
+#define WIRELESSLISTENER_H
+
+#include "mbed.h"
+#include "RF24.h"
+#include "RequestsCodes.h"
+#include "ThermometerTmp36.h"
+#include "Thermistor.h"
+#include "Photoresistor.h"
+
+//#define DEBUG
+
+#ifdef DEBUG
+#include "USBSerial.h"
+#endif
+
+/**
+* Encapsulates inside accept requests, processing (reading sensor data) and transmission back
+*/
+class WirelessListener{  
+public:
+    /**
+    * The request handler
+    * @param readPipe Pipe identifier for receiving
+    * @param writePipe Pipe identifier for transmission 
+    */
+    WirelessListener(uint64_t readPipe, uint64_t writePipe);
+    
+    ~WirelessListener();
+   
+    /**
+    * Start receiving and processing requests
+    */    
+    void startListening();
+    
+    
+private:
+#ifdef DEBUG
+    USBSerial pc;
+#endif
+    //Initialization of the transmitter
+    void wirelessInit();
+    
+    //Receiving pipe
+    uint64_t readPipe;
+    //Transmission pipe
+    uint64_t writePipe;
+    //Transmitter
+    RF24 *radio;
+    
+    //Sensors
+    ThermometerTmp36 *termTmp36;
+    Thermistor *term503;
+    Photoresistor *photores;
+    
+};
+
+#endif
\ No newline at end of file

--- a/main.cpp	Thu Oct 22 20:31:06 2015 +0000
+++ b/main.cpp	Wed Oct 28 20:49:13 2015 +0000
@@ -1,27 +1,9 @@
-#include "mbed.h"
-#include "USBSerial.h"
-#include "ThermometerTmp36.h"
-#include "Thermistor.h"
-#include "Photoresistor.h"
+#include "WirelessListener.h"
 
-USBSerial pc;
-AnalogIn   tmp36(A0);
-AnalogIn   thermist(A2);
-AnalogIn   photoresist(A4);
-char lightLevels[][12]={
-    "Dark", 
-    "Very cloudy",
-    "Cloudy", 
-    "Clear", 
-    "Very sunny"
-    };
-int main() {
-    ThermometerTmp36 termTmp36(tmp36);
-    Thermistor term503(thermist, 0.001995, 0.00007997, 0.0000003863);
-    Photoresistor light(photoresist);
-    term503.setError(-5000);
-    while(1) {
-        pc.printf("TMP36: %f degC\tTermistor: %f degC\t%s\r\n", termTmp36.getTemperature(), term503.getTemperature(), lightLevels[light.getIllumination()]);
-        wait(1);
-    }
-}
+int main(){
+    WirelessListener listener(0xF0F0F0F0E1LL, 0xF0F0F0F0D2LL);
+    
+    listener.startListening();
+    
+    return 0;    
+}
\ No newline at end of file