integration of LoRa + Ethernet
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flavienhaas
parent
6912a21909
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0b6c79ee7a
125
LoRaEthernet/LoRaEthernet.ino
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125
LoRaEthernet/LoRaEthernet.ino
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#include <SPI.h>
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#include <LoRa.h>
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#include "Ethernet.h"
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#include "util.h" // pour avoir l'affichage du temps écoulé
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#define LENMAX 80 // taille maximale acceptée pour la trame
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#define Serial SerialUSB
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// void setSPIFrequency(uint32_t frequency); // 8MHz par défaut c'est bq pour l'analyseur logique
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// Enter a MAC address and IP address for your controller below.
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// The IP address will be dependent on your local network:
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byte mac[] = {
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0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED
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};
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IPAddress ip(10, 0, 0, 49);
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// Initialize the Ethernet server library
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// with the IP address and port you want to use
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// (port 80 is default for HTTP):
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EthernetServer server(80);
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void setup(){
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Serial.begin(9600);
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while (!Serial);
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Serial.print("Recepteur LoRa\n");
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// initialiser le shield LoRa en 868 MHz
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if( !LoRa.begin(868E6) ){
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Serial.print("Echec de l'initialisation LoRa !\n");
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while(true); // on se bloque ici et on ne va pas plus loin
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}
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Ethernet.begin(mac, ip);
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server.begin();
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Serial.print("server is at ");
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Serial.println(Ethernet.localIP());
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}
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void loop() {
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static byte tampon[LENMAX]={0};
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int longueurTrame;
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// si le module a reçu une trame alors sa longueur sera non nulle
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longueurTrame=LoRa.parsePacket();
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if( longueurTrame > 0 ){
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//---- copie de la trame depuis le modem vers le tampon ----
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if( longueurTrame>LENMAX ){
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Serial.print("Trame reçue est trop grande pour le tampon : ");
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Serial.println(longueurTrame);
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longueurTrame=LENMAX; // troncature
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}
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for( int i=0; i<longueurTrame; i++ ){
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tampon[i]=(byte)LoRa.read();
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}
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//---- affichage de l'heure d'arrivée ----
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SerialPrintElapsedTime();
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//---- affichage en hexadécimal ----
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Serial.print("0x");
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for( int i=0; i<longueurTrame; i++ ){
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if( tampon[i] < 0x0F ) Serial.print("0");
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Serial.print( tampon[i], HEX );
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}
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//---- affichage en ASCII ----
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Serial.print( " " );
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for( int i=0; i<longueurTrame; i++ ){
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if( (tampon[i] < 0x20)||(tampon[i] > 0x7E) ){
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Serial.print( "."); // ce caractère est non imprimable
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}else{
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Serial.print( (char)tampon[i] );
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}
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}
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Serial.print( "\n" );
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}//if LoRa.parsePacket
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delay(10);
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// listen for incoming clients
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EthernetClient client = server.available();
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if (client) {
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Serial.println("new client");
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// an http request ends with a blank line
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boolean currentLineIsBlank = true;
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while (client.connected()) {
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if (client.available()) {
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char c = client.read();
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Serial.write(c);
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// if you've gotten to the end of the line (received a newline
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// character) and the line is blank, the http request has ended,
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// so you can send a reply
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if (c == '\n' && currentLineIsBlank) {
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// send a standard http response header
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client.println("HTTP/1.1 200 OK");
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client.println("Content-Type: text/html");
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client.println("Connection: close"); // the connection will be closed after completion of the response
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client.println("Refresh: 5"); // refresh the page automatically every 5 sec
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client.println();
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client.println("<!DOCTYPE HTML>");
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client.println("<html>");
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// output the value of each analog input pin
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for (int analogChannel = 0; analogChannel < 6; analogChannel++) {
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int sensorReading = analogRead(analogChannel);
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client.print("analog input ");
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client.print(analogChannel);
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client.print(" is ");
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client.print(sensorReading);
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client.println("<br />");
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}
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client.println("</html>");
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break;
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}
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if (c == '\n') {
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// you're starting a new line
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currentLineIsBlank = true;
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} else if (c != '\r') {
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// you've gotten a character on the current line
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currentLineIsBlank = false;
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}
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}
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}
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// give the web browser time to receive the data
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delay(1);
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// close the connection:
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client.stop();
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Serial.println("client disconnected");
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}
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}
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56
LoRaEthernet/task.h
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56
LoRaEthernet/task.h
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#ifndef DaKTASK
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#define DaKTASK
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// la tàche est effectuee avec un delai de PeriodeMilliSecondes entre deux executions.
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// consomme 4 octets de RAM
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// exemple : cron(1000){ // code <20> r<>p<EFBFBD>ter toutes les secondes }
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#define cron(PeriodeMilliSecondes) for( \
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static unsigned long __nextmillis = 0; \
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millis() - __nextmillis >= (unsigned long)(PeriodeMilliSecondes); \
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__nextmillis = millis() \
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)
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// la tàche est effectuee avec un delai de PeriodeMilliSecondes entre deux executions.
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// consomme 4 octets de RAM
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#define task(NomTache,PeriodeMilliSecondes) for( \
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static unsigned long DaKTASK_ ## NomTache = 0; \
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millis() - DaKTASK_ ## NomTache >= (unsigned long)(PeriodeMilliSecondes); \
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DaKTASK_ ## NomTache = millis() \
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)
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// la tàche est effectuee pr<70>cis<69>ment toutes les PeriodeMilliSecondes.
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// consomme 8 octets de RAM
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#define ftask(NomTache,PeriodeMilliSecondes) for( \
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static unsigned long DaKTASK_ ## NomTache = 0, millis_ ## NomTache = 0; \
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(millis_ ## NomTache = millis()) - DaKTASK_ ## NomTache >= (unsigned long)(PeriodeMilliSecondes); \
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DaKTASK_ ## NomTache = millis_ ## NomTache \
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)
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#endif
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/*
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void setup() {
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Serial.begin(9600);
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pinMode(13, OUTPUT);
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}
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void loop() {
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Task( Toto, 1500 ){
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Serial.print("Toto=");
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Serial.println( millis() );
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}
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Task( line, 3000) Serial.println(F("-----------------"));
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FTask( LED, 100 ){ PORTB ^= 0x20; } // clignoter la LED
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cron(500){ PORTB ^= 0x20; } // clignoter la LED toutes les secondes
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delay(11);
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}
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*/
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40
LoRaEthernet/util.h
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40
LoRaEthernet/util.h
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@ -0,0 +1,40 @@
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/*-----------------------------------
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Petite collection deviendra grande
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Astuces glanées ça et là
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-----------------------------------*/
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/* Permet de compacter des suites de Serial.Print
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Exemple :
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Serial.print("J'ai ");
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Serial.print(i);
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Serial.print(" bronzes de ");
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Serial.print(j);
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Serial.println(" kilo chacun.");
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par
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Serial << "J'ai" << i << " bronzes de " << j << " kilo chacun.\n"
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Source : https://playground.arduino.cc/Main/StreamingOutput
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Fonctionne avec toutes les librairies d<EFBFBD>riv<EFBFBD>es comme LCD, SerialUSB, ..."
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*/
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template<class T> inline Print &operator <<(Print &obj, T arg) { obj.print(arg); return obj; }
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/*-----------------------------------------
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* Affichage du temps écoulé depuis le lancement
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* du programme,
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* sous le forme hh:mm:ss
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* le paramètre optionnel place un espace à la fin
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*/
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void SerialPrintElapsedTime( boolean espaceFinal=true ){
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unsigned long h,m,s = millis()/1000;
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m=s/60;
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h=m/60;
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s=s-(m*60);
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m=m-(h*60);
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Serial << ((h<10)?"0":"") << h << ":" << ((m<10)?"0":"") << m << ":" << ((s<10)?"0":"") << s << (espaceFinal?" ":"");
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}
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@ -8,7 +8,7 @@
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byte mac[] = {
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0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED
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};
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IPAddress ip(192, 168, 1, 50);
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IPAddress ip(10, 0, 0, 49);
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// Initialize the Ethernet server library
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// with the IP address and port you want to use
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