138 lines
4.9 KiB
C++

/*
* EBYTE LoRa E220
* Stay in sleep mode and wait a wake up WOR message
*
* You must configure the address with 0 2 23 (FIXED RECEIVER configuration)
* and pay attention that WOR period must be the same of sender
*
* You must uncommend the correct constructor and set the correct AUX_PIN define.
*
* by Renzo Mischianti <https://www.mischianti.org>
*
* https://www.mischianti.org
*
* E220 ----- WeMos D1 mini ----- esp32 ----- Arduino Nano 33 IoT ----- Arduino MKR ----- stm32 ----- ArduinoUNO
* M0 ----- D7 (or GND) ----- 19 (or GND) ----- 4 (or GND) ----- 2 (or GND) ----- PB0 (or GND) ----- 7 Volt div (or GND)
* M1 ----- D6 (or 3.3v) ----- 21 (or 3.3v) ----- 6 (or 3.3v) ----- 4 (or 3.3v) ----- PB10 (or 3.3v) ----- 6 Volt div (or 3.3v)
* TX ----- D3 (PullUP) ----- TX2 (PullUP) ----- TX1 (PullUP) ----- 14 (PullUP) ----- PA2 TX2 (PullUP) ----- 4 (PullUP)
* RX ----- D4 (PullUP) ----- RX2 (PullUP) ----- RX1 (PullUP) ----- 13 (PullUP) ----- PA3 RX2 (PullUP) ----- 5 Volt div (PullUP)
* AUX ----- D5 (PullUP) ----- 18 (PullUP) ----- 2 (PullUP) ----- 0 (PullUP) ----- PA0 (PullUP) ----- 3 (PullUP)
* VCC ----- 3.3v/5v ----- 3.3v/5v ----- 3.3v/5v ----- 3.3v/5v ----- 3.3v/5v ----- 3.3v/5v
* GND ----- GND ----- GND ----- GND ----- GND ----- GND ----- GND
*
*/
// With FIXED RECEIVER configuration
#define DESTINATION_ADDL 2
#define AUX_PIN 15
#include "Arduino.h"
#include "LoRa_E220.h"
// ---------- esp8266 pins --------------
//LoRa_E220 e220ttl(RX, TX, AUX, M0, M1); // Arduino RX <-- e220 TX, Arduino TX --> e220 RX
//LoRa_E220 e220ttl(D3, D4, D5, D7, D6); // Arduino RX <-- e220 TX, Arduino TX --> e220 RX AUX M0 M1
//LoRa_E220 e220ttl(D2, D3); // Config without connect AUX and M0 M1
//#include <SoftwareSerial.h>
//SoftwareSerial mySerial(D2, D3); // Arduino RX <-- e220 TX, Arduino TX --> e220 RX
//LoRa_E220 e220ttl(&mySerial, D5, D7, D6); // AUX M0 M1
// -------------------------------------
// ---------- Arduino pins --------------
LoRa_E220 e220ttl(4, 5, 3, 7, 6); // Arduino RX <-- e220 TX, Arduino TX --> e220 RX AUX M0 M1
//LoRa_E220 e220ttl(4, 5); // Config without connect AUX and M0 M1
//#include <SoftwareSerial.h>
//SoftwareSerial mySerial(4, 5); // Arduino RX <-- e220 TX, Arduino TX --> e220 RX
//LoRa_E220 e220ttl(&mySerial, 3, 7, 6); // AUX M0 M1
// -------------------------------------
// ------------- Arduino Nano 33 IoT -------------
// LoRa_E220 e220ttl(&Serial1, 2, 4, 6); // RX AUX M0 M1
// -------------------------------------------------
// ------------- Arduino MKR WiFi 1010 -------------
// LoRa_E220 e220ttl(&Serial1, 0, 2, 4); // RX AUX M0 M1
// -------------------------------------------------
// ---------- esp32 pins --------------
// LoRa_E220 e220ttl(&Serial2, 15, 21, 19); // RX AUX M0 M1
//LoRa_E220 e220ttl(&Serial2, 22, 4, 18, 21, 19, UART_BPS_RATE_9600); // esp32 RX <-- e220 TX, esp32 TX --> e220 RX AUX M0 M1
// -------------------------------------
// ---------------- STM32 --------------------
//HardwareSerial Serial2(USART2); // PA3 (RX) PA2 (TX)
//LoRa_E220 e220ttl(&Serial2, PA0, PB0, PB10); // RX AUX M0 M1
// -------------------------------------------------
bool interruptExecuted = false;
#ifdef ESP32
void IRAM_ATTR wakeUp() {
// Do not use Serial on interrupt callback
interruptExecuted = true;
detachInterrupt(AUX_PIN);
}
#elif define(ESP8266)
ICACHE_RAM_ATTR void wakeUp() {
// Do not use Serial on interrupt callback
interruptExecuted = true;
detachInterrupt(AUX_PIN);
}
#else
void wakeUp() {
// Do not use Serial on interrupt callback
interruptExecuted = true;
detachInterrupt(AUX_PIN);
}
#endif
//The setup function is called once at startup of the sketch
void setup() {
Serial.begin(9600);
while (!Serial) {
; // wait for serial port to connect. Needed for native USB
}
delay(100);
e220ttl.begin();
e220ttl.setMode(MODE_2_WOR_RECEIVER);
delay(1000);
Serial.println();
Serial.println("Start sleep!");
delay(100);
attachInterrupt(AUX_PIN, wakeUp, FALLING);
}
// The loop function is called in an endless loop
void loop() {
if (e220ttl.available() > 1) {
Serial.println("Message arrived!");
ResponseContainer rs = e220ttl.receiveMessage();
// First of all get the data
String message = rs.data;
Serial.println(rs.status.getResponseDescription());
Serial.println(message);
// Work only with full connection
e220ttl.setMode(MODE_0_NORMAL);
delay(1000);
ResponseStatus rsSend = e220ttl.sendFixedMessage(0, DESTINATION_ADDL, 23, "We have received the message!");
// Check If there is some problem of succesfully send
Serial.println(rsSend.getResponseDescription());
}
if(interruptExecuted) {
Serial.println("WakeUp Callback, AUX pin go LOW and start receive message!");
Serial.flush();
interruptExecuted = false;
}
}