/* * EBYTE LoRa E220 * Send a string message to a fixed point ADDH ADDL CHAN * * You must configure 2 device: one as SENDER (with FIXED SENDER config) and uncomment the relative * define with the correct DESTINATION_ADDL, and one as RECEIVER (with FIXED RECEIVER config) * and uncomment the relative define with the correct DESTINATION_ADDL. * * Write a string on serial monitor or reset to resend default value. * * Pai attention e220 support RSSI, if you want use that functionality you must enable RSSI on configuration * configuration.TRANSMISSION_MODE.enableRSSI = RSSI_ENABLED; * * and uncomment #define ENABLE_RSSI true in this sketch * * You must uncommend the correct constructor. * * by Renzo Mischianti * * https://www.mischianti.org * * E220 ----- WeMos D1 mini ----- esp32 ----- Arduino Nano 33 IoT ----- Arduino MKR ----- Raspberry Pi Pico ----- stm32 ----- ArduinoUNO * M0 ----- D7 (or GND) ----- 19 (or GND) ----- 4 (or GND) ----- 2 (or GND) ----- 10 (or GND) ----- PB0 (or GND) ----- 7 Volt div (or GND) * M1 ----- D6 (or GND) ----- 21 (or GND) ----- 6 (or GND) ----- 4 (or GND) ----- 11 (or GND) ----- PB10 (or GND) ----- 6 Volt div (or GND) * TX ----- D3 (PullUP) ----- TX2 (PullUP) ----- TX1 (PullUP) ----- 14 (PullUP) ----- 8 (PullUP) ----- PA2 TX2 (PullUP) ----- 4 (PullUP) * RX ----- D4 (PullUP) ----- RX2 (PullUP) ----- RX1 (PullUP) ----- 13 (PullUP) ----- 9 (PullUP) ----- PA3 RX2 (PullUP) ----- 5 Volt div (PullUP) * AUX ----- D5 (PullUP) ----- 18 (PullUP) ----- 2 (PullUP) ----- 0 (PullUP) ----- 2 (PullUP) ----- PA0 (PullUP) ----- 3 (PullUP) * VCC ----- 3.3v/5v ----- 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 ----- GND * */ // With FIXED SENDER configuration // #define DESTINATION_ADDL 3 // With FIXED RECEIVER configuration #define DESTINATION_ADDL 2 // If you want use RSSI uncomment //#define ENABLE_RSSI true // and use relative configuration with RSSI enabled //#define ENABLE_RSSI true #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 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 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 // ------------------------------------- // ---------- Raspberry PI Pico pins -------------- // LoRa_E220 e220ttl(&Serial2, 2, 10, 11); // RX AUX M0 M1 // ------------------------------------- // ---------------- STM32 -------------------- //HardwareSerial Serial2(USART2); // PA3 (RX) PA2 (TX) //LoRa_E220 e220ttl(&Serial2, PA0, PB0, PB10); // RX AUX M0 M1 // ------------------------------------------------- void printParameters(struct Configuration configuration); void setup() { Serial.begin(9600); delay(500); // Startup all pins and UART e220ttl.begin(); ResponseStructContainer c; c = e220ttl.getConfiguration(); // It's important get configuration pointer before all other operation Configuration configuration = *(Configuration*) c.data; Serial.println(c.status.getResponseDescription()); Serial.println(c.status.code); printParameters(configuration); c.close(); Serial.println("Hi, I'm going to send message!"); // Send message ResponseStatus rs = e220ttl.sendFixedMessage(0, DESTINATION_ADDL, 23, "Hello, world?"); // Check If there is some problem of succesfully send Serial.println(rs.getResponseDescription()); } void loop() { // If something available if (e220ttl.available()>1) { // read the String message #ifdef ENABLE_RSSI ResponseContainer rc = e220ttl.receiveMessageRSSI(); #else ResponseContainer rc = e220ttl.receiveMessage(); #endif // Is something goes wrong print error if (rc.status.code!=1){ Serial.println(rc.status.getResponseDescription()); }else{ // Print the data received Serial.println(rc.status.getResponseDescription()); Serial.println(rc.data); #ifdef ENABLE_RSSI Serial.print("RSSI: "); Serial.println(rc.rssi, DEC); #endif } } if (Serial.available()) { String input = Serial.readString(); ResponseStatus rs = e220ttl.sendFixedMessage(0, DESTINATION_ADDL, 23, input); // Check If there is some problem of succesfully send Serial.println(rs.getResponseDescription()); } } void printParameters(struct Configuration configuration) { Serial.println("----------------------------------------"); Serial.print(F("HEAD : ")); Serial.print(configuration.COMMAND, HEX);Serial.print(" ");Serial.print(configuration.STARTING_ADDRESS, HEX);Serial.print(" ");Serial.println(configuration.LENGHT, HEX); Serial.println(F(" ")); Serial.print(F("AddH : ")); Serial.println(configuration.ADDH, HEX); Serial.print(F("AddL : ")); Serial.println(configuration.ADDL, HEX); Serial.println(F(" ")); Serial.print(F("Chan : ")); Serial.print(configuration.CHAN, DEC); Serial.print(" -> "); Serial.println(configuration.getChannelDescription()); Serial.println(F(" ")); Serial.print(F("SpeedParityBit : ")); Serial.print(configuration.SPED.uartParity, BIN);Serial.print(" -> "); Serial.println(configuration.SPED.getUARTParityDescription()); Serial.print(F("SpeedUARTDatte : ")); Serial.print(configuration.SPED.uartBaudRate, BIN);Serial.print(" -> "); Serial.println(configuration.SPED.getUARTBaudRateDescription()); Serial.print(F("SpeedAirDataRate : ")); Serial.print(configuration.SPED.airDataRate, BIN);Serial.print(" -> "); Serial.println(configuration.SPED.getAirDataRateDescription()); Serial.println(F(" ")); Serial.print(F("OptionSubPacketSett: ")); Serial.print(configuration.OPTION.subPacketSetting, BIN);Serial.print(" -> "); Serial.println(configuration.OPTION.getSubPacketSetting()); Serial.print(F("OptionTranPower : ")); Serial.print(configuration.OPTION.transmissionPower, BIN);Serial.print(" -> "); Serial.println(configuration.OPTION.getTransmissionPowerDescription()); Serial.print(F("OptionRSSIAmbientNo: ")); Serial.print(configuration.OPTION.RSSIAmbientNoise, BIN);Serial.print(" -> "); Serial.println(configuration.OPTION.getRSSIAmbientNoiseEnable()); Serial.println(F(" ")); Serial.print(F("TransModeWORPeriod : ")); Serial.print(configuration.TRANSMISSION_MODE.WORPeriod, BIN);Serial.print(" -> "); Serial.println(configuration.TRANSMISSION_MODE.getWORPeriodByParamsDescription()); Serial.print(F("TransModeEnableLBT : ")); Serial.print(configuration.TRANSMISSION_MODE.enableLBT, BIN);Serial.print(" -> "); Serial.println(configuration.TRANSMISSION_MODE.getLBTEnableByteDescription()); Serial.print(F("TransModeEnableRSSI: ")); Serial.print(configuration.TRANSMISSION_MODE.enableRSSI, BIN);Serial.print(" -> "); Serial.println(configuration.TRANSMISSION_MODE.getRSSIEnableByteDescription()); Serial.print(F("TransModeFixedTrans: ")); Serial.print(configuration.TRANSMISSION_MODE.fixedTransmission, BIN);Serial.print(" -> "); Serial.println(configuration.TRANSMISSION_MODE.getFixedTransmissionDescription()); Serial.println("----------------------------------------"); }