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LoRaGateway_BTS2A/LoRaEthernet/LoRaEthernet.ino

126 lines
4.2 KiB
C++

#include <SPI.h>
#include <LoRa.h>
#include "Ethernet.h"
#include "util.h" // pour avoir l'affichage du temps écoulé
#define LENMAX 80 // taille maximale acceptée pour la trame
#define Serial SerialUSB
// void setSPIFrequency(uint32_t frequency); // 8MHz par défaut c'est bq pour l'analyseur logique
// Enter a MAC address and IP address for your controller below.
// The IP address will be dependent on your local network:
byte mac[] = {
0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED
};
IPAddress ip(10, 0, 0, 49);
// Initialize the Ethernet server library
// with the IP address and port you want to use
// (port 80 is default for HTTP):
EthernetServer server(80);
void setup(){
Serial.begin(9600);
while (!Serial);
Serial.print("Recepteur LoRa\n");
// initialiser le shield LoRa en 868 MHz
if( !LoRa.begin(868E6) ){
Serial.print("Echec de l'initialisation LoRa !\n");
while(true); // on se bloque ici et on ne va pas plus loin
}
Ethernet.begin(mac, ip);
server.begin();
Serial.print("server is at ");
Serial.println(Ethernet.localIP());
}
void loop() {
static byte tampon[LENMAX]={0};
int longueurTrame;
// si le module a reçu une trame alors sa longueur sera non nulle
longueurTrame=LoRa.parsePacket();
if( longueurTrame > 0 ){
//---- copie de la trame depuis le modem vers le tampon ----
if( longueurTrame>LENMAX ){
Serial.print("Trame reçue est trop grande pour le tampon : ");
Serial.println(longueurTrame);
longueurTrame=LENMAX; // troncature
}
for( int i=0; i<longueurTrame; i++ ){
tampon[i]=(byte)LoRa.read();
}
//---- affichage de l'heure d'arrivée ----
SerialPrintElapsedTime();
//---- affichage en hexadécimal ----
Serial.print("0x");
for( int i=0; i<longueurTrame; i++ ){
if( tampon[i] < 0x0F ) Serial.print("0");
Serial.print( tampon[i], HEX );
}
//---- affichage en ASCII ----
Serial.print( " " );
for( int i=0; i<longueurTrame; i++ ){
if( (tampon[i] < 0x20)||(tampon[i] > 0x7E) ){
Serial.print( "."); // ce caractère est non imprimable
}else{
Serial.print( (char)tampon[i] );
}
}
Serial.print( "\n" );
}//if LoRa.parsePacket
delay(10);
// listen for incoming clients
EthernetClient client = server.available();
if (client) {
Serial.println("new client");
// an http request ends with a blank line
boolean currentLineIsBlank = true;
while (client.connected()) {
if (client.available()) {
char c = client.read();
Serial.write(c);
// if you've gotten to the end of the line (received a newline
// character) and the line is blank, the http request has ended,
// so you can send a reply
if (c == '\n' && currentLineIsBlank) {
// send a standard http response header
client.println("HTTP/1.1 200 OK");
client.println("Content-Type: text/html");
client.println("Connection: close"); // the connection will be closed after completion of the response
client.println("Refresh: 5"); // refresh the page automatically every 5 sec
client.println();
client.println("<!DOCTYPE HTML>");
client.println("<html>");
// output the value of each analog input pin
for (int analogChannel = 0; analogChannel < 6; analogChannel++) {
int sensorReading = analogRead(analogChannel);
client.print("analog input ");
client.print(analogChannel);
client.print(" is ");
client.print(sensorReading);
client.println("<br />");
}
client.println("</html>");
break;
}
if (c == '\n') {
// you're starting a new line
currentLineIsBlank = true;
} else if (c != '\r') {
// you've gotten a character on the current line
currentLineIsBlank = false;
}
}
}
// give the web browser time to receive the data
delay(1);
// close the connection:
client.stop();
Serial.println("client disconnected");
}
}