Revision 12:eaa8be101e07, committed 2018-08-08

Comitter:

sagilar

Date:

Wed Aug 08 22:34:30 2018 +0000

Parent:

11:9d7409ebfa57

Commit message:

LoRa node acquiring random float value and sending to LoRa Server - Working ok

Changed in this revision

diff -r 9d7409ebfa57 -r eaa8be101e07 SX1276GenericLib.lib
--- a/SX1276GenericLib.lib	Fri Aug 18 07:45:44 2017 +0000
+++ b/SX1276GenericLib.lib	Wed Aug 08 22:34:30 2018 +0000
@@ -1,1 +1,1 @@
-http://developer.mbed.org/users/Helmut64/code/SX1276GenericLib/#49d19df5bbce
+https://os.mbed.com/users/sagilar/code/SX1276GenericLib_node2/#514363b547ec

diff -r 9d7409ebfa57 -r eaa8be101e07 SX1276GenericPingPong/GenericPingPong.cpp
--- a/SX1276GenericPingPong/GenericPingPong.cpp	Fri Aug 18 07:45:44 2017 +0000
+++ b/SX1276GenericPingPong/GenericPingPong.cpp	Wed Aug 08 22:34:30 2018 +0000
@@ -4,12 +4,14 @@
  * (c) 2017 Helmut Tschemernjak
  * 30826 Garbsen (Hannover) Germany
  */
- 
+
 #include "mbed.h"
 #include "PinMap.h"
 #include "GenericPingPong.h"
 #include "sx1276-mbed-hal.h"
 #include "main.h"
+#include <string>
+#include "rtos.h"
 
 #ifdef FEATURE_LORA
 
@@ -19,8 +21,8 @@
 /* Set this flag to '1' to use the LoRa modulation or to '0' to use FSK modulation */
 #define USE_MODEM_LORA  1
 #define USE_MODEM_FSK   !USE_MODEM_LORA
-#define RF_FREQUENCY            RF_FREQUENCY_868_1  // Hz
-#define TX_OUTPUT_POWER         14                  // 14 dBm
+#define RF_FREQUENCY            RF_FREQUENCY_915_0  // Hz
+#define TX_OUTPUT_POWER         20                  // 20 dBm
 
 #if USE_MODEM_LORA == 1
 
@@ -31,11 +33,11 @@
 #define LORA_PREAMBLE_LENGTH    8       // Same for Tx and Rx
 #define LORA_SYMBOL_TIMEOUT     5       // Symbols
 #define LORA_FIX_LENGTH_PAYLOAD_ON  false
-#define LORA_FHSS_ENABLED       false  
-#define LORA_NB_SYMB_HOP        4     
+#define LORA_FHSS_ENABLED       true
+#define LORA_NB_SYMB_HOP        4
 #define LORA_IQ_INVERSION_ON    false
 #define LORA_CRC_ENABLED        true
-    
+
 #elif USE_MODEM_FSK == 1
 
 #define FSK_FDEV                25000     // Hz
@@ -45,32 +47,31 @@
 #define FSK_PREAMBLE_LENGTH     5         // Same for Tx and Rx
 #define FSK_FIX_LENGTH_PAYLOAD_ON   false
 #define FSK_CRC_ENABLED         true
-    
+
 #else
-    #error "Please define a modem in the compiler options."
-#endif 
+#error "Please define a modem in the compiler options."
+#endif
 
 
 #define RX_TIMEOUT_VALUE    3500	// in ms
 
 //#define BUFFER_SIZE       32        // Define the payload size here
 #define BUFFER_SIZE         64        // Define the payload size here
-
+#define RETRIES         3        // Se define la cantidad de intentos de envio despues de recibir error
 /*
  *  Global variables declarations
  */
-typedef enum
-{
+typedef enum {
     LOWPOWER = 0,
     IDLE,
-    
+
     RX,
     RX_TIMEOUT,
     RX_ERROR,
-    
+
     TX,
     TX_TIMEOUT,
-    
+
     CAD,
     CAD_DONE
 } AppStates_t;
@@ -88,17 +89,43 @@
 SX1276Generic *Radio;
 
 
-const uint8_t PingMsg[] = { 0xff, 0xff, 0x00, 0x00, 'P', 'I', 'N', 'G'};// "PING";
-const uint8_t PongMsg[] = { 0xff, 0xff, 0x00, 0x00, 'P', 'O', 'N', 'G'};// "PONG";
-
+//const uint8_t PingMsg[] = { 0xff, 0xff, 0x00, 0x00, 'P', 'I', 'N', 'G'};// "PING";
+//const uint8_t PongMsg[] = { 0xff, 0xff, 0x00, 0x00, 'P', 'O', 'N', 'G'};// "PONG";
+//const uint8_t PingMsg[] = { 'M', 'S', 'J', ' ','G','I','L'};// "PING";
+//const uint8_t PongMsg[] = {  'R', 'P', 'T', 'A',' ','G','I','L'};// "PONG";
+const char EUI[] = "0A12";// 4  bytes que definen el identificador del dispositivo (copiar los bytes en string)
+const char AppEUI[] = "AAAA";// 4  bytes que definen el identificador de la aplicacion (copiar los bytes en string)
+const char AppKey[] = "1A1B";// 4  bytes que definen la clave de la aplicacion (copiar los bytes en string) - El protocolo LoRaWAN establece la clave de 16 bytes pero para efectos de prueba se hara de 4
+char MsgTX[64] = "";// Mensaje de transmision, se pueden usar los 52 bytes faltantes para completar el payload de 64 bytes. Se puede poner directamente en string.
+char MsgRX[64] = "";// Mensaje de recepcion, carga el payload entrante a esta cadena.
+char MsgRet[] = "RECIBIDO";// Para verificar el resultado del envio
+char DestEUI[] = "0A01"; //Gateway Server
+string strRecepcion = "";
 uint16_t BufferSize = BUFFER_SIZE;
 uint8_t *Buffer;
+int reintentos=0;
+string msjDeco="";
+char *retParse;
+char *srcEUI;
+char *msjDestEUI;
+char *msjContent;
+AnalogIn analog_value(A0);
+float meas_r;
+float meas_v;
+
 
 DigitalOut *led3;
 
 
-int SX1276PingPong() 
+int SX1276PingPong()
 {
+
+
+    Ticker tick;
+    tick.attach(&readAnalog,25.0);
+    uint8_t i;
+    bool isMaster = true;
+
 #if( defined ( TARGET_KL25Z ) || defined ( TARGET_LPC11U6X ) )
     DigitalOut *led = new DigitalOut(LED2);
 #elif defined(TARGET_NUCLEO_L073RZ) || defined(TARGET_DISCO_L072CZ_LRWAN1)
@@ -108,27 +135,27 @@
     DigitalOut *led = new DigitalOut(LED1);
     led3 = led;
 #endif
-    
+
     Buffer = new  uint8_t[BUFFER_SIZE];
     *led3 = 1;
 
 #ifdef B_L072Z_LRWAN1_LORA
     Radio = new SX1276Generic(NULL, MURATA_SX1276,
-    		LORA_SPI_MOSI, LORA_SPI_MISO, LORA_SPI_SCLK, LORA_CS, LORA_RESET,
-        	LORA_DIO0, LORA_DIO1, LORA_DIO2, LORA_DIO3, LORA_DIO4, LORA_DIO5,
-        	LORA_ANT_RX, LORA_ANT_TX, LORA_ANT_BOOST, LORA_TCXO);
+                              LORA_SPI_MOSI, LORA_SPI_MISO, LORA_SPI_SCLK, LORA_CS, LORA_RESET,
+                              LORA_DIO0, LORA_DIO1, LORA_DIO2, LORA_DIO3, LORA_DIO4, LORA_DIO5,
+                              LORA_ANT_RX, LORA_ANT_TX, LORA_ANT_BOOST, LORA_TCXO);
 #else // RFM95
     Radio = new SX1276Generic(NULL, RFM95_SX1276,
-			LORA_SPI_MOSI, LORA_SPI_MISO, LORA_SPI_SCLK, LORA_CS, LORA_RESET,
-            LORA_DIO0, LORA_DIO1, LORA_DIO2, LORA_DIO3, LORA_DIO4, LORA_DIO5);
+                              LORA_SPI_MOSI, LORA_SPI_MISO, LORA_SPI_SCLK, LORA_CS, LORA_RESET,
+                              LORA_DIO0, LORA_DIO1, LORA_DIO2, LORA_DIO3, LORA_DIO4, LORA_DIO5);
 
 #endif
-    
-    uint8_t i;
-    bool isMaster = true;
-    
-    dprintf("SX1276 Ping Pong Demo Application" );
-    dprintf("Freqency: %.1f", (double)RF_FREQUENCY/1000000.0);
+
+
+
+
+    dprintf("Aplicacion de comunicacion LoRa punto a punto" );
+    dprintf("Frecuencia: %.1f", (double)RF_FREQUENCY/1000000.0);
     dprintf("TXPower: %d dBm",  TX_OUTPUT_POWER);
 #if USE_MODEM_LORA == 1
     dprintf("Bandwidth: %d Hz", LORA_BANDWIDTH);
@@ -142,15 +169,15 @@
     RadioEvents.RxDone = OnRxDone;
     RadioEvents.RxError = OnRxError;
     RadioEvents.TxTimeout = OnTxTimeout;
-    RadioEvents.RxTimeout = OnRxTimeout;    
+    RadioEvents.RxTimeout = OnRxTimeout;
     if (Radio->Init( &RadioEvents ) == false) {
         while(1) {
-        	dprintf("Radio could not be detected!");
-        	wait( 1 );
+            dprintf("Radio could not be detected!");
+            wait( 1 );
         }
     }
 
-    
+
     switch(Radio->DetectBoardType()) {
         case SX1276MB1LAS:
             if (DEBUG_MESSAGE)
@@ -161,7 +188,7 @@
                 dprintf(" > Board Type: SX1276MB1LAS <");
         case MURATA_SX1276:
             if (DEBUG_MESSAGE)
-            	dprintf(" > Board Type: MURATA_SX1276_STM32L0 <");
+                dprintf(" > Board Type: MURATA_SX1276_STM32L0 <");
             break;
         case RFM95_SX1276:
             if (DEBUG_MESSAGE)
@@ -171,198 +198,287 @@
             dprintf(" > Board Type: unknown <");
     }
 
-    Radio->SetChannel(RF_FREQUENCY ); 
+    Radio->SetChannel(RF_FREQUENCY );
 
 #if USE_MODEM_LORA == 1
-    
+
     if (LORA_FHSS_ENABLED)
         dprintf("             > LORA FHSS Mode <");
     if (!LORA_FHSS_ENABLED)
         dprintf("             > LORA Mode <");
 
     Radio->SetTxConfig( MODEM_LORA, TX_OUTPUT_POWER, 0, LORA_BANDWIDTH,
-                         LORA_SPREADING_FACTOR, LORA_CODINGRATE,
-                         LORA_PREAMBLE_LENGTH, LORA_FIX_LENGTH_PAYLOAD_ON,
-                         LORA_CRC_ENABLED, LORA_FHSS_ENABLED, LORA_NB_SYMB_HOP, 
-                         LORA_IQ_INVERSION_ON, 2000 );
-    
+                        LORA_SPREADING_FACTOR, LORA_CODINGRATE,
+                        LORA_PREAMBLE_LENGTH, LORA_FIX_LENGTH_PAYLOAD_ON,
+                        LORA_CRC_ENABLED, LORA_FHSS_ENABLED, LORA_NB_SYMB_HOP,
+                        LORA_IQ_INVERSION_ON, 2000 );
+
     Radio->SetRxConfig( MODEM_LORA, LORA_BANDWIDTH, LORA_SPREADING_FACTOR,
-                         LORA_CODINGRATE, 0, LORA_PREAMBLE_LENGTH,
-                         LORA_SYMBOL_TIMEOUT, LORA_FIX_LENGTH_PAYLOAD_ON, 0,
-                         LORA_CRC_ENABLED, LORA_FHSS_ENABLED, LORA_NB_SYMB_HOP, 
-                         LORA_IQ_INVERSION_ON, true );
-                         
+                        LORA_CODINGRATE, 0, LORA_PREAMBLE_LENGTH,
+                        LORA_SYMBOL_TIMEOUT, LORA_FIX_LENGTH_PAYLOAD_ON, 0,
+                        LORA_CRC_ENABLED, LORA_FHSS_ENABLED, LORA_NB_SYMB_HOP,
+                        LORA_IQ_INVERSION_ON, true );
+
 #elif USE_MODEM_FSK == 1
 
     dprintf("              > FSK Mode <");
     Radio->SetTxConfig( MODEM_FSK, TX_OUTPUT_POWER, FSK_FDEV, 0,
-                         FSK_DATARATE, 0,
-                         FSK_PREAMBLE_LENGTH, FSK_FIX_LENGTH_PAYLOAD_ON,
-                         FSK_CRC_ENABLED, 0, 0, 0, 2000 );
-    
+                        FSK_DATARATE, 0,
+                        FSK_PREAMBLE_LENGTH, FSK_FIX_LENGTH_PAYLOAD_ON,
+                        FSK_CRC_ENABLED, 0, 0, 0, 2000 );
+
     Radio->SetRxConfig( MODEM_FSK, FSK_BANDWIDTH, FSK_DATARATE,
-                         0, FSK_AFC_BANDWIDTH, FSK_PREAMBLE_LENGTH,
-                         0, FSK_FIX_LENGTH_PAYLOAD_ON, 0, FSK_CRC_ENABLED,
-                         0, 0, false, true );
-                         
+                        0, FSK_AFC_BANDWIDTH, FSK_PREAMBLE_LENGTH,
+                        0, FSK_FIX_LENGTH_PAYLOAD_ON, 0, FSK_CRC_ENABLED,
+                        0, 0, false, true );
+
 #else
 
 #error "Please define a modem in the compiler options."
 
 #endif
-     
-    if (DEBUG_MESSAGE)
-        dprintf("Starting Ping-Pong loop"); 
 
-        
+    if (DEBUG_MESSAGE)
+        dprintf("Inicializando nodo");
+    dprintf("EUI (ID): %s",EUI);
+
     Radio->Rx( RX_TIMEOUT_VALUE );
-    
-    while( 1 )
-    {
+
+    while( 1 ) {
 #ifdef TARGET_STM32L4
         WatchDogUpdate();
 #endif
-        
-        switch( State )
-        {
-        case RX:
-        	*led3 = 0;
-            if( isMaster == true )
-            {
-                if( BufferSize > 0 )
-                {
-                    if( memcmp(Buffer, PongMsg, sizeof(PongMsg)) == 0 )
-                    {
-                        *led = !*led;
-                        dprintf( "...Pong" );
-                        // Send the next PING frame            
-                        memcpy(Buffer, PingMsg, sizeof(PingMsg));
-                        // We fill the buffer with numbers for the payload 
-                        for( i = sizeof(PingMsg); i < BufferSize; i++ )
-                        {
-                            Buffer[i] = i - sizeof(PingMsg);
-                        }
-                        wait_ms( 10 ); 
-                        Radio->Send( Buffer, BufferSize );
+        /*
+        const char EUI[] = "0A10";// 4  bytes que definen el identificador del dispositivo (copiar los bytes en string)
+        const char AppEUI[] = "AAAA";// 4  bytes que definen el identificador de la aplicacion (copiar los bytes en string)
+        const char AppKey[] = "1A1B";// 4  bytes que definen la clave de la aplicacion (copiar los bytes en string) - El protocolo LoRaWAN establece la clave de 16 bytes pero para efectos de prueba se hara de 4
+        char MsgTX[64] = "";// Mensaje de transmision, se pueden usar los 52 bytes faltantes para completar el payload de 64 bytes. Se puede poner directamente en string.
+        char MsgRX[64] = "";// Mensaje de recepcion, carga el payload entrante a esta cadena.
+        char MsgRet[] = "RECIBIDO";// Para verificar el resultado del envio
+        char DestEUI[] = "0A01";
+        string strRecepcion = "";
+        uint16_t BufferSize = BUFFER_SIZE;
+        uint8_t *Buffer;
+        int reintentos=0;
+        string msjDeco="";
+        char *retParse;
+        char *srcEUI;
+        char *msjDestEUI;
+        char *msjContent;*/
+
+        switch( State ) {
+            case RX:
+                reintentos=0;
+                *led = !*led;
+                //dprintf("Mensaje para depurar: %s",MsgRX);
+                msjDeco = MsgRX;
+                splitOnPosition(MsgRX, 0);
+
+                dprintf("Source EUI: %s, Destination EUI: %s, Content: %s",srcEUI,msjDestEUI,msjContent);
+                strRecepcion = msjContent;
+                if(strcmp(EUI,msjDestEUI) == 0) {
+                    dprintf("Mismo EUI, Soy el destinatario");
+
+                } else {
+                    dprintf("Diferente EUI, ignorar mensaje");
+                    wait_ms( 500 );
+                    *led = !*led;
+                    State = LOWPOWER;
+                    break;
+                }
+
+                if( BufferSize > 0 ) {
+
+                    if (strstr(msjContent, "RECIBIDO") != NULL) {
+                        dprintf( "Mensaje recibido por el servidor correctamente" );
+                    }
+                    if (strstr(msjContent, "ERROR") != NULL) {
+                        dprintf( "Mensaje no fue recibido por el servidor correctamente" );
+                    }
+                    if (strstr(msjContent, "DENIED") != NULL) {
+                        dprintf( "Mensaje rechazado por el servidor correctamente" );
                     }
-                    else if( memcmp(Buffer, PingMsg, sizeof(PingMsg)) == 0 )
-                    { // A master already exists then become a slave
-                        dprintf( "...Ping" );
-                        *led = !*led;
-                        isMaster = false;
-                        // Send the next PONG frame
-                        memcpy(Buffer, PongMsg, sizeof(PongMsg));        
-                        // We fill the buffer with numbers for the payload 
-                        for( i = sizeof(PongMsg); i < BufferSize; i++ )
-                        {
-                            Buffer[i] = i - sizeof(PongMsg);
-                        }
-                        wait_ms( 10 ); 
-                        Radio->Send( Buffer, BufferSize );
-                    }
-                    else // valid reception but neither a PING or a PONG message
-                    {    // Set device as master ans start again
-                        isMaster = true;
-                        Radio->Rx( RX_TIMEOUT_VALUE );
-                    }    
+                    /*if( RecFound == true ) {
+
+                        dprintf( "Mensaje recibido por el servidor correctamente" );
+                    } else if(ErrorFound == true) { // Error en la recepcion
+                        dprintf( "Mensaje no fue recibido por el servidor correctamente" );
+
+                    } else if(DenFound == true) { // Negacion en la recepcion
+                        dprintf( "Mensaje rechazado por el servidor correctamente" );
+
+                    }*/
+                }
+                wait_ms( 500 );
+                *led = !*led;
+                State = LOWPOWER;
+                break;
+            case TX:
+
+                //dprintf("Mensaje a enviar: %s",MsgTX);
+                *led3 = !*led3;
+
+                if(reintentos<RETRIES) {
+                    Radio->Rx( RX_TIMEOUT_VALUE );
+                    reintentos++;
                 }
-            }
-            else
-            {
-                if( BufferSize > 0 )
-                {
-                    if( memcmp(Buffer, PingMsg, sizeof(PingMsg)) == 0 )
-                    {
-                        *led = !*led;
-                        dprintf( "...Ping" );
-                        // Send the reply to the PING string
-                        memcpy(Buffer, PongMsg, sizeof(PongMsg));
-                        // We fill the buffer with numbers for the payload 
-                        for( i = sizeof(PongMsg); i < BufferSize; i++ )
-                        {
-                            Buffer[i] = i - sizeof(PongMsg);
-                        }
-                        wait_ms( 10 );  
-                        Radio->Send( Buffer, BufferSize );
+                wait_ms( 500 );
+                *led = !*led;
+                State = LOWPOWER;
+                break;
+            case RX_TIMEOUT:
+                if( isMaster == true ) {
+                    // Send the next PING frame
+                    memcpy(Buffer, MsgTX, sizeof(MsgTX));
+                    for( i = sizeof(MsgTX); i < BufferSize; i++ ) {
+                        Buffer[i] = i - sizeof(MsgTX);
                     }
-                    else // valid reception but not a PING as expected
-                    {    // Set device as master and start again
-                        isMaster = true;
-                        Radio->Rx( RX_TIMEOUT_VALUE );
-                    }    
+                    wait_ms( 1000 );
+                    Radio->Send( Buffer, BufferSize );
+                } else {
+                    Radio->Rx( RX_TIMEOUT_VALUE );
+                }
+                State = LOWPOWER;
+                break;
+            case RX_ERROR:
+                // We have received a Packet with a CRC error, send reply as if packet was correct
+                if( isMaster == true ) {
+                    // Send the next PING frame
+                    memcpy(Buffer, MsgTX, sizeof(MsgTX));
+                    for( i = 4; i < BufferSize; i++ ) {
+                        Buffer[i] = i - 4;
+                    }
+                    wait_ms( 1000 );
+                    Radio->Send( Buffer, BufferSize );
+                } else {
+                    // Send the next PONG frame
+                    memcpy(Buffer, MsgTX, sizeof(MsgTX));
+                    for( i = sizeof(MsgTX); i < BufferSize; i++ ) {
+                        Buffer[i] = i - sizeof(MsgTX);
+                    }
+                    wait_ms( 1000 );
+                    Radio->Send( Buffer, BufferSize );
                 }
-            }
-            State = LOWPOWER;
-            break;
-        case TX:    
-            *led3 = 1;
-            if( isMaster == true )  
-            {
-                dprintf("Ping..." );
-            }
-            else
-            {
-                dprintf("Pong..." );
-            }
-            Radio->Rx( RX_TIMEOUT_VALUE );
-            State = LOWPOWER;
-            break;
-        case RX_TIMEOUT:
-            if( isMaster == true )
-            {
-                // Send the next PING frame
-                memcpy(Buffer, PingMsg, sizeof(PingMsg));
-                for( i = sizeof(PingMsg); i < BufferSize; i++ )
-                {
-                    Buffer[i] = i - sizeof(PingMsg);
-                }
-                wait_ms( 10 ); 
-                Radio->Send( Buffer, BufferSize );
-            }
-            else
-            {
-                Radio->Rx( RX_TIMEOUT_VALUE );  
-            }             
-            State = LOWPOWER;
-            break;
-        case RX_ERROR:
-            // We have received a Packet with a CRC error, send reply as if packet was correct
-            if( isMaster == true )
-            {
-                // Send the next PING frame
-                memcpy(Buffer, PingMsg, sizeof(PingMsg));
-                for( i = 4; i < BufferSize; i++ )
-                {
-                    Buffer[i] = i - 4;
-                }
-                wait_ms( 10 );  
-                Radio->Send( Buffer, BufferSize );
-            }
-            else
-            {
-                // Send the next PONG frame
-                memcpy(Buffer, PongMsg, sizeof(PongMsg));
-                for( i = sizeof(PongMsg); i < BufferSize; i++ )
-                {
-                    Buffer[i] = i - sizeof(PongMsg);
-                }
-                wait_ms( 10 );  
-                Radio->Send( Buffer, BufferSize );
-            }
-            State = LOWPOWER;
-            break;
-        case TX_TIMEOUT:
-            Radio->Rx( RX_TIMEOUT_VALUE );
-            State = LOWPOWER;
-            break;
-        case LOWPOWER:
-        	sleep();
-            break;
-        default:
-            State = LOWPOWER;
-            break;
-        }    
+                State = LOWPOWER;
+                break;
+            case TX_TIMEOUT:
+                Radio->Rx( RX_TIMEOUT_VALUE );
+                State = LOWPOWER;
+                break;
+            case LOWPOWER:
+                sleep();
+                break;
+            default:
+                State = LOWPOWER;
+                break;
+        }
+    }
+}
+
+char *splitOnPosition(char *msj, int pos)
+{
+    int i=0;
+    char *substring = strtok (msj,"|");
+    char *strOutput="";
+    while (substring != NULL) {
+        //dprintf ("substring: %s, index: %d",substring,i);
+
+        if(i == 0) {
+            srcEUI = substring;
+        } else if(i == 3) {
+            msjDestEUI = substring;
+        } else if(i == 4) {
+            msjContent = substring;
+        } else if(i > 4) {
+            strcat(msjContent," ");
+            strcat(msjContent,substring);
+        }
+
+        if(i == pos) {
+            strOutput = substring;
+        }
+        substring = strtok (NULL, "|");
+        i++;
     }
+    return strOutput;
+}
+
+void onButtonEvent()
+{
+    reintentos=0;
+    float value = 4.85;
+    char valueStr[]="";
+    sprintf(valueStr,"%.2f",value);
+    char variable[] = "temperatura";
+    char dispositivo[] = "refrigerador1";
+    strcpy(MsgTX, EUI);
+    strcat(MsgTX, "|");
+    strcat(MsgTX, AppEUI);
+    strcat(MsgTX, "|");
+    strcat(MsgTX, AppKey);
+    strcat(MsgTX, "|");
+    strcat(MsgTX, DestEUI);
+    strcat(MsgTX, "|");
+    strcat(MsgTX, valueStr);
+    strcat(MsgTX, " ");
+    strcat(MsgTX, variable);
+    strcat(MsgTX, " ");
+    strcat(MsgTX, dispositivo);
+    //strcat(MsgTX, ";");
+    //*led = !*led;
+    //dprintf( "Enviando contenido al server" );
+    memcpy(Buffer, MsgTX, sizeof(MsgTX));
+    // Se llena el buffer con la informacion a enviar
+    for( int i = sizeof(MsgTX); i < BufferSize; i++ ) {
+        Buffer[i] = i - sizeof(MsgTX);
+    }
+    //wait_ms( 100 );
+    Radio->Send( Buffer, BufferSize );
+    Radio->Rx( RX_TIMEOUT_VALUE );
+
+}
+
+void readAnalog()
+{
+
+
+    //meas_r = analog_value.read(); // Read the analog input value (value from 0.0 to 1.0 = full ADC conversion range)
+    meas_r = (float) rand()/RAND_MAX; // Para este caso se va a usar un numero aleatorio
+    //dprintf("random value: %.2f",meas_r);
+    //meas_r = 0.12; 
+    meas_v = meas_r * 5.0; // Convierte el valor de 0 a 5 (Corriente)
+    reintentos=0;
+    char valueStr[]="";
+    sprintf(valueStr,"%.2f",meas_v);
+    char variable[] = "corriente";
+    char dispositivo[] = "nodo2_refrig_LoRa";
+	strcpy(MsgTX, EUI);
+    strcat(MsgTX, "|");
+    strcat(MsgTX, AppEUI);
+    strcat(MsgTX, "|");
+    strcat(MsgTX, AppKey);
+    strcat(MsgTX, "|");
+    strcat(MsgTX, DestEUI);
+    strcat(MsgTX, "|");
+    strcat(MsgTX, valueStr);
+    strcat(MsgTX, " ");
+    strcat(MsgTX, variable);
+    strcat(MsgTX, " ");
+    strcat(MsgTX, dispositivo);
+    //strcat(MsgTX, ";");
+    //*led = !*led;
+    //dprintf( "Enviando contenido al server" );
+    memcpy(Buffer, MsgTX, sizeof(MsgTX));
+    // Se llena el buffer con la informacion a enviar
+    for( int i = sizeof(MsgTX); i < BufferSize; i++ ) {
+        Buffer[i] = i - sizeof(MsgTX);
+    }
+    //wait_ms( 100 );
+    Radio->Send( Buffer, BufferSize );
+    Radio->Rx( RX_TIMEOUT_VALUE );
+
+    //wait(10);
+
 }
 
 void OnTxDone(void *radio, void *userThisPtr, void *userData)
@@ -381,7 +497,9 @@
     State = RX;
     if (DEBUG_MESSAGE)
         dprintf("> OnRxDone: RssiValue=%d dBm, SnrValue=%d", rssi, snr);
-    dump("Data:", payload, size);
+    //dump("Data:", payload, size);
+    strcpy(MsgRX,(char*)payload);
+    //dprintf("Msj: %s", MsgRX);
 }
 
 void OnTxTimeout(void *radio, void *userThisPtr, void *userData)

diff -r 9d7409ebfa57 -r eaa8be101e07 SX1276GenericPingPong/GenericPingPong.h
--- a/SX1276GenericPingPong/GenericPingPong.h	Fri Aug 18 07:45:44 2017 +0000
+++ b/SX1276GenericPingPong/GenericPingPong.h	Wed Aug 08 22:34:30 2018 +0000
@@ -19,7 +19,8 @@
  * (c) 2017 Helmut Tschemernjak
  * 30826 Garbsen (Hannover) Germany
  */
- 
+#include <string>
+
 #ifndef __SX1276PINGPONG_H__
 #define __SX1276PINGPONG_H__
 
@@ -31,6 +32,9 @@
 /*
  * Callback functions prototypes
  */
+char *splitOnPosition(char *msj, int pos);
+void onButtonEvent();
+void readAnalog();
 /*!
  * @brief Function to be executed on Radio Tx Done event
  */

diff -r 9d7409ebfa57 -r eaa8be101e07 main.cpp
--- a/main.cpp	Fri Aug 18 07:45:44 2017 +0000
+++ b/main.cpp	Wed Aug 08 22:34:30 2018 +0000
@@ -3,19 +3,21 @@
  * 30826 Garbsen (Hannover) Germany
  * Licensed under the Apache License, Version 2.0);
  */
- #include "main.h"
-
+#include "main.h"
+//#include "mbed_events.h"
+#define MAX_NUMBER_OF_EVENTS            10
 DigitalOut myled(LED1);
 BufferedSerial *ser;
+InterruptIn btn(USER_BUTTON);
 
-int main() {
+int main()
+{
     SystemClock_Config();
     ser = new BufferedSerial(USBTX, USBRX);
-    ser->baud(115200*2);
+    ser->baud(115200);
     ser->format(8);
-    ser->printf("Hello World\n\r");
     myled = 1;
-    
+    btn.fall(&onButtonEvent);
     SX1276PingPong();
 }
 
@@ -25,7 +27,7 @@
 void SystemClock_Config(void)
 {
 #ifdef B_L072Z_LRWAN1_LORA
-    /* 
+    /*
      * The L072Z_LRWAN1_LORA clock setup is somewhat differnt from the Nucleo board.
      * It has no LSE.
      */

diff -r 9d7409ebfa57 -r eaa8be101e07 main.h
--- a/main.h	Fri Aug 18 07:45:44 2017 +0000
+++ b/main.h	Wed Aug 08 22:34:30 2018 +0000
@@ -5,6 +5,7 @@
  */
 
 #include "mbed.h"
+//#include "mbed-os.h"
 #include "PinMap.h"
 #include "BufferedSerial.h"
 #include "GenericPingPong.h"

diff -r 9d7409ebfa57 -r eaa8be101e07 mbed-os.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os.lib	Wed Aug 08 22:34:30 2018 +0000
@@ -0,0 +1,1 @@
+https://github.com/ARMmbed/mbed-os/#50bd61a4a72332baa6b1bac6caccb44dc5423309