LoRaReceiverInterrupt/LoRaReceiverInterrupt.ino

-/* 
+/*
  Receiver for exchange commands between LoRa Sender (long range)
 */
 #include <heltec.h>
 
-byte localAddress = 0xBB; // address of this device
-byte destination = 0xAA; // destination to send to
+byte localAddress = 0xDD; // address of this device
+byte destination = 0xDE; // destination to send to
 
 #define RELE_1 17
 #define RELE_2 21
@@ -16,16 +16,18 @@ byte destination = 0xAA; // destination to send to
 String lastCommand = "";
 String signalLevel = "";
 
+#define BAND 868E6
+
 void setup() {
- Heltec.begin(true /*DisplayEnable Enable*/, true /*LoRa Enable*/, true /*Serial Enable*/, true /*LoRa use PABOOST*/, 868E6 /*LoRa RF working band*/);
+ Heltec.begin(true /*DisplayEnable Enable*/, true /*LoRa Enable*/, true /*Serial Enable*/, true /*LoRa use PABOOST*/, BAND /*LoRa RF working band*/);
  Heltec.display -> clear();
- 
+
  Serial.println("LoRa Sender");
 
- LoRa.setTxPowerMax(10);
+ LoRa.setTxPowerMax(15);
  //LoRa.enableCrc();
  LoRa.setPreambleLength(4);
- 
+
  // register the receive callback
  LoRa.onReceive(onReceive);
  // put the radio into receive mode
@@ -36,7 +38,7 @@ void setup() {
  // LoRa.setPreambleLength(1);
 
  //---------------------------------------------
- 
+
  pinMode(RELE_1, OUTPUT);
  pinMode(RELE_2, OUTPUT);
  pinMode(RELE_3, OUTPUT);
@@ -47,42 +49,62 @@ void setup() {
 
 unsigned long previousMillisLed = 0;
 const long intervalLed = 60000 * 10;
+
+unsigned long previousMillisRele = 0;
+const long intervalRele = 1000 * 10;
+
 bool isLoRaOnSenderMode = false;
 bool isLedOff = true;
+bool lockRequestsFor10sec = false;
 
-void loop() { 
+void loop() {
  unsigned long currentMillis = millis();
- 
+
+ if (currentMillis - previousMillisRele > intervalRele) {
+ lockRequestsFor10sec = false;
+ } else {
+ lockRequestsFor10sec = true;
+ Heltec.display -> clear();
+ Heltec.display -> drawString(0, 0, lastCommand);
+ Heltec.display -> display();
+ }
+
  if (isLedOff) {
+ delay(2000);
  isLedOff = false;
  //Reset rele
  digitalWrite(RELE_1, LOW);
  digitalWrite(RELE_2, LOW);
  }
 
- if(currentMillis - previousMillisLed > intervalLed){
+ if (currentMillis - previousMillisLed > intervalLed) {
  digitalWrite(RELE_3, LOW);
  //ESP.restart();
  }
 
- if(isLoRaOnSenderMode)
+ if (isLoRaOnSenderMode)
  {
  isLoRaOnSenderMode = false;
- 
+
+ Heltec.display -> clear();
+ Heltec.display -> drawString(0, 0, lastCommand);
+ Heltec.display -> display();
+
  String outgoing = lastCommand;
 
- for(int i = 0; i < 10; i++){
+ for (int i = 0; i < 10; i++) {
  // send packet
  LoRa.beginPacket();
- 
+
  LoRa.write(destination); // add destination address
  LoRa.write(localAddress); // add sender address
  LoRa.write(outgoing.length()); // add payload length
  LoRa.print(outgoing); // add payload
- 
+
  LoRa.endPacket();
+ delay(2000);
  }
- 
+
  // put the radio into receive mode
  LoRa.receive();
  }
@@ -91,6 +113,7 @@ void loop() {
 String r1 = String(RELE_1, DEC);
 String r2 = String(RELE_2, DEC);
 String r3 = String(RELE_3, DEC);
+String r0 = "0";
 
 String read_r1 = String(RELE_READ_1, DEC);
 String read_r2 = String(RELE_READ_2, DEC);
@@ -134,68 +157,76 @@ void onReceive(int packetSize)
  Serial.println("RSSI: " + String(LoRa.packetRssi()));
  Serial.println("Snr: " + String(LoRa.packetSnr()));
  Serial.println();
- 
+
  // received a packet
  String str = incoming;
 
- if(str.indexOf("p : ") == 0)
- { 
- if(str.indexOf(r1) > 0)
- {
- setRele1();
- }
- if(str.indexOf(r2) > 0)
- {
- setRele2();
- }
- if(str.indexOf(r3) > 0)
- {
- setRele3();
+ if (str.indexOf("p : ") == 0)
+ {
+ if (lockRequestsFor10sec == false) {
+ lastCommand = str;
+ previousMillisRele = millis();
+ isLedOff = true;
+ if (str.indexOf(r1) > 0)
+ {
+ setRele1();
+ }
+ if (str.indexOf(r2) > 0)
+ {
+ setRele2();
+ }
+ if (str.indexOf(r3) > 0)
+ {
+ setRele3();
+ }
+ if (str.indexOf(r0) > 0)
+ {
+ setRele0();
+ }
  }
-
- lastCommand = str;
-
- isLoRaOnSenderMode = true;
  }
- 
- if(str.indexOf("r : ") == 0)
+
+ if (str.indexOf("r : ") == 0)
  {
  val = "";
- if(str.indexOf(read_r1) > 0)
+ if (str.indexOf(read_r1) > 0)
  {
  val = readRele1();
  }
- else if(str.indexOf(read_r2) > 0)
+ else if (str.indexOf(read_r2) > 0)
  {
  val = readRele2();
  }
 
- isLoRaOnSenderMode = true;
-
  lastCommand = str + " " + val;
+
+ isLoRaOnSenderMode = true;
  }
 }
 
+void setRele0()
+{
+ digitalWrite(RELE_1, HIGH);
+ digitalWrite(RELE_2, HIGH);
+ digitalWrite(RELE_3, HIGH); // LUCI LED
+
+ previousMillisLed = millis();
+}
 void setRele1()
 {
- isLedOff = true;
  digitalWrite(RELE_1, HIGH);
  digitalWrite(RELE_3, HIGH); // LUCI LED
- delay(2000);
 
  previousMillisLed = millis();
 }
 
 void setRele2()
 {
- isLedOff = true;
  digitalWrite(RELE_2, HIGH);
  digitalWrite(RELE_3, HIGH); // LUCI LED
- delay(2000);
 
  previousMillisLed = millis();
 }
-
 void setRele3()
 {
  digitalWrite(RELE_3, HIGH);

LoRaSender/LoRaSender.ino

 /*
- 
+
  LoRa Sender commands & store the response
  Http comunications with outside
 
@@ -10,8 +10,8 @@
 const char* ssid = "Thomas";
 const char* password = "viapiccardi47!!thomas";
 
-byte localAddress = 0xAA; // address of this device
-byte destination = 0xBB; // destination to send to
+byte localAddress = 0xDE; // address of this device
+byte destination = 0xDD; // destination to send to
 
 // TCP server at port 80 will respond to HTTP requests
 WiFiServer server(80);
@@ -26,11 +26,11 @@ void WIFISetUp(void)
  delay(1000);
  WiFi.mode(WIFI_STA);
  WiFi.setAutoConnect(true);
- WiFi.begin("Thomas","viapiccardi47!!thomas");
+ WiFi.begin("Thomas", "viapiccardi47!!thomas");
  delay(100);
 
  byte count = 0;
- while(WiFi.status() != WL_CONNECTED && count < 10)
+ while (WiFi.status() != WL_CONNECTED && count < 10)
  {
  count ++;
  delay(500);
@@ -39,11 +39,11 @@ void WIFISetUp(void)
  }
 
  Heltec.display -> clear();
- if(WiFi.status() == WL_CONNECTED)
+ if (WiFi.status() == WL_CONNECTED)
  {
  Heltec.display -> drawString(0, 0, "Connecting...OK.");
  Heltec.display -> display();
-// delay(500);
+ // delay(500);
  }
  else
  {
@@ -59,22 +59,24 @@ void WIFISetUp(void)
  delay(500);
 }
 
+#define BAND 868E6
+
 void setup(void)
 {
- Heltec.begin(true /*DisplayEnable Enable*/, true /*LoRa Enable*/, true /*Serial Enable*/, true /*LoRa use PABOOST*/, 868E6 /*LoRa RF working band*/);
+ Heltec.begin(true /*DisplayEnable Enable*/, true /*LoRa Enable*/, false /*Serial Enable*/, true /*LoRa use PABOOST*/, BAND /*LoRa RF working band*/);
  Heltec.display -> clear();
- 
+
  Serial.println("LoRa Sender");
 
- LoRa.setTxPowerMax(10);
+ LoRa.setTxPowerMax(15);
  //LoRa.enableCrc();
  LoRa.setPreambleLength(4);
- 
+
  LoRa.onReceive(onReceive);
  LoRa.receive();
 
  //-------------------------------------
- 
+
  WIFISetUp();
  // Start TCP (HTTP) server
  server.begin();
@@ -88,7 +90,7 @@ void setup(void)
 
 String s;
 unsigned long previousMillis = 0;
-const long interval = 10000;
+const long interval = 25000;
 
 int val = 0;
 void loop(void)
@@ -98,14 +100,14 @@ void loop(void)
  if (WiFi.status() != WL_CONNECTED) {
  ESP.restart();
  }
- 
+
  long rssi = WiFi.RSSI();
 
- if(rssi == 0)
+ if (rssi == 0)
  {
  ESP.restart();
  }
- 
+
  // Check if a client has connected
  WiFiClient client = server.available();
  if (!client) {
@@ -116,7 +118,7 @@ void loop(void)
  while (client.connected() && !client.available()) {
  delay(1);
  }
- 
+
  // Read the first line of HTTP request
  String req = client.readStringUntil('\r');
 
@@ -138,10 +140,9 @@ void loop(void)
  s = "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\nHello from ESP32 at ";
  s += ipStr;
  s += "";
- 
+
  } else if (req.indexOf("/pin") >= 0) {
  pinRequest(req);
- lastCommandReceived = "";
  s = "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n";
  s += req;
  s += "";
@@ -150,7 +151,6 @@ void loop(void)
 
  } else if (req.indexOf("/brightness") >= 0) {
  setBrightness(req);
- lastCommandReceived = "";
  s = "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n";
  s += req;
  s += "";
@@ -158,7 +158,7 @@ void loop(void)
  previousMillis = currentMillis;
 
  } else if (req.indexOf("/read") >= 0) {
- 
+
  pinRequestRead(req);
  s = "HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n";
  s += req;
@@ -235,16 +235,8 @@ void onReceive(int packetSize)
  Serial.println("RSSI: " + String(LoRa.packetRssi()));
  Serial.println("Snr: " + String(LoRa.packetSnr()));
  Serial.println();
- 
- if (incoming.indexOf("r : ") == 0) {
- lastCommandReceived = incoming;
- }
 
- if (incoming.indexOf("p : ") == 0) {
- lastCommandReceived = incoming;
- }
-
- if (incoming.indexOf("b : ") == 0) {
+ if (incoming.indexOf("r : ") == 0) {
  lastCommandReceived = incoming;
  }
 }
@@ -259,18 +251,20 @@ void pinRequest(String req)
 
  String outgoing = "p : " + req;
 
- // send packet
- LoRa.beginPacket();
- 
- LoRa.write(destination); // add destination address
- LoRa.write(localAddress); // add sender address
- LoRa.write(outgoing.length()); // add payload length
- LoRa.print(outgoing); // add payload
- 
- LoRa.endPacket();
- 
- // put the radio into receive mode
- LoRa.receive();
+ for (int i = 0; i < 5; i++) {
+ // send packet
+ LoRa.beginPacket();
+
+ LoRa.write(destination); // add destination address
+ LoRa.write(localAddress); // add sender address
+ LoRa.write(outgoing.length()); // add payload length
+ LoRa.print(outgoing); // add payload
+
+ LoRa.endPacket();
+ delay(2000);
+ }
+
+ lastCommandReceived = outgoing;
 }
 
 void setBrightness(String req)
@@ -279,18 +273,20 @@ void setBrightness(String req)
 
  String outgoing = "b : " + req;
 
- // send packet
- LoRa.beginPacket();
- 
- LoRa.write(destination); // add destination address
- LoRa.write(localAddress); // add sender address
- LoRa.write(outgoing.length()); // add payload length
- LoRa.print(outgoing); // add payload
- 
- LoRa.endPacket();
- 
- // put the radio into receive mode
- LoRa.receive();
+ for (int i = 0; i < 5; i++) {
+ // send packet
+ LoRa.beginPacket();
+
+ LoRa.write(destination); // add destination address
+ LoRa.write(localAddress); // add sender address
+ LoRa.write(outgoing.length()); // add payload length
+ LoRa.print(outgoing); // add payload
+
+ LoRa.endPacket();
+ delay(2000);
+ }
+
+ lastCommandReceived = outgoing;
 }
 
 void pinRequestRead(String req)
@@ -299,16 +295,19 @@ void pinRequestRead(String req)
 
  String outgoing = "r : " + req;
 
- // send packet
- LoRa.beginPacket();
- 
- LoRa.write(destination); // add destination address
- LoRa.write(localAddress); // add sender address
- LoRa.write(outgoing.length()); // add payload length
- LoRa.print(outgoing); // add payload
- 
- LoRa.endPacket();
- 
+ for (int i = 0; i < 5; i++) {
+ // send packet
+ LoRa.beginPacket();
+
+ LoRa.write(destination); // add destination address
+ LoRa.write(localAddress); // add sender address
+ LoRa.write(outgoing.length()); // add payload length
+ LoRa.print(outgoing); // add payload
+
+ LoRa.endPacket();
+ delay(2000);
+ }
+
  // put the radio into receive mode
  LoRa.receive();
 }