156 lines
4.7 KiB
Arduino
156 lines
4.7 KiB
Arduino
// rf69 demo tx rx.pde
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// -*- mode: C++ -*-
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// Example sketch showing how to create a simple messaging client
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// with the RH_RF69 class. RH_RF69 class does not provide for addressing
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// or reliability, so you should only use RH_RF69 if you do not need the
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// higher level messaging abilities.
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// It is designed to work with the other example RadioHead69_RawDemo_TX.
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// Demonstrates the use of AES encryption, setting the frequency and
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// modem configuration.
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#include <SPI.h>
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#include <RH_RF69.h>
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/************ Radio Setup ***************/
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// Change to 434.0 or other frequency, must match RX's freq!
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#define RF69_FREQ 434.0
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// First 3 here are boards w/radio BUILT-IN. Boards using FeatherWing follow.
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#if defined (__AVR_ATmega32U4__) // Feather 32u4 w/Radio
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#define RFM69_CS 8
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#define RFM69_INT 7
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#define RFM69_RST 4
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#define LED 13
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#elif defined(ADAFRUIT_FEATHER_M0) || defined(ADAFRUIT_FEATHER_M0_EXPRESS) || defined(ARDUINO_SAMD_FEATHER_M0) // Feather M0 w/Radio
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#define RFM69_CS 8
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#define RFM69_INT 3
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#define RFM69_RST 4
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#define LED 13
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#elif defined(ARDUINO_ADAFRUIT_FEATHER_RP2040_RFM) // Feather RP2040 w/Radio
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#define RFM69_CS 16
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#define RFM69_INT 21
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#define RFM69_RST 17
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#define LED LED_BUILTIN
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#elif defined (__AVR_ATmega328P__) // Feather 328P w/wing
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#define RFM69_CS 4 //
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#define RFM69_INT 3 //
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#define RFM69_RST 2 // "A"
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#define LED 13
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#elif defined(ESP8266) // ESP8266 feather w/wing
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#define RFM69_CS 2 // "E"
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#define RFM69_INT 15 // "B"
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#define RFM69_RST 16 // "D"
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#define LED 0
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#elif defined(ARDUINO_ADAFRUIT_FEATHER_ESP32S2) || defined(ARDUINO_NRF52840_FEATHER) || defined(ARDUINO_NRF52840_FEATHER_SENSE)
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#define RFM69_CS 10 // "B"
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#define RFM69_INT 9 // "A"
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#define RFM69_RST 11 // "C"
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#define LED 13
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#elif defined(ESP32) // ESP32 feather w/wing
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#define RFM69_CS 33 // "B"
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#define RFM69_INT 27 // "A"
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#define RFM69_RST 13 // same as LED
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#define LED 13
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#elif defined(ARDUINO_NRF52832_FEATHER) // nRF52832 feather w/wing
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#define RFM69_CS 11 // "B"
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#define RFM69_INT 31 // "C"
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#define RFM69_RST 7 // "A"
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#define LED 17
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#endif
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/* Teensy 3.x w/wing
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#define RFM69_CS 10 // "B"
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#define RFM69_INT 4 // "C"
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#define RFM69_RST 9 // "A"
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#define RFM69_IRQN digitalPinToInterrupt(RFM69_INT)
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*/
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/* WICED Feather w/wing
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#define RFM69_CS PB4 // "B"
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#define RFM69_INT PA15 // "C"
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#define RFM69_RST PA4 // "A"
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#define RFM69_IRQN RFM69_INT
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*/
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// Singleton instance of the radio driver
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RH_RF69 rf69(RFM69_CS, RFM69_INT);
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void setup() {
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Serial.begin(115200);
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while (!Serial) delay(1); // Wait for Serial Console (comment out line if no computer)
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pinMode(LED, OUTPUT);
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pinMode(RFM69_RST, OUTPUT);
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digitalWrite(RFM69_RST, LOW);
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Serial.println("Feather RFM69 RX Test!");
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Serial.println();
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// manual reset
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digitalWrite(RFM69_RST, HIGH);
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delay(10);
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digitalWrite(RFM69_RST, LOW);
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delay(10);
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if (!rf69.init()) {
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Serial.println("RFM69 radio init failed");
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while (1);
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}
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Serial.println("RFM69 radio init OK!");
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// Defaults after init are 434.0MHz, modulation GFSK_Rb250Fd250, +13dbM (for low power module)
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// No encryption
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if (!rf69.setFrequency(RF69_FREQ)) {
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Serial.println("setFrequency failed");
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}
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// If you are using a high power RF69 eg RFM69HW, you *must* set a Tx power with the
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// ishighpowermodule flag set like this:
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rf69.setTxPower(20, true); // range from 14-20 for power, 2nd arg must be true for 69HCW
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// The encryption key has to be the same as the one in the server
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uint8_t key[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
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0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08};
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// rf69.setEncryptionKey(key);
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rf69.setEncryptionKey(NULL);
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rf69.setPromiscuous(true);
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Serial.print("RFM69 radio @"); Serial.print((int)RF69_FREQ); Serial.println(" MHz");
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}
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void loop() {}
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void loop2() {
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if (rf69.available()) {
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// Should be a message for us now
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uint8_t buf[RH_RF69_MAX_MESSAGE_LEN];
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uint8_t len = sizeof(buf);
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if (rf69.recv(buf, &len)) {
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if (!len) return;
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buf[len] = 0;
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Serial.print("Received [");
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Serial.print(len);
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Serial.print("]: ");
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Serial.println((char*)buf);
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Serial.print("RSSI: ");
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Serial.println(rf69.lastRssi(), DEC);
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}
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}
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}
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void Blink(byte pin, byte delay_ms, byte loops) {
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while (loops--) {
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digitalWrite(pin, HIGH);
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delay(delay_ms);
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digitalWrite(pin, LOW);
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delay(delay_ms);
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}
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}
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