80 lines
2.5 KiB
Arduino
80 lines
2.5 KiB
Arduino
|
// rf95_server.pde
|
||
|
|
// -*- mode: C++ -*-
|
||
|
|
// Example sketch showing how to create a simple messageing server
|
||
|
|
// with the RH_RF95 class. RH_RF95 class does not provide for addressing or
|
||
|
|
// reliability, so you should only use RH_RF95 if you do not need the higher
|
||
|
|
// level messaging abilities.
|
||
|
|
// It is designed to work with the other example rf95_client
|
||
|
|
// Tested with Anarduino MiniWirelessLoRa, Rocket Scream Mini Ultra Pro with
|
||
|
|
// the RFM95W, Adafruit Feather M0 with RFM95
|
||
|
|
|
||
|
|
#include <SPI.h>
|
||
|
|
#include <RH_RF95.h>
|
||
|
|
|
||
|
|
// Singleton instance of the radio driver
|
||
|
|
RH_RF95 rf95;
|
||
|
|
//RH_RF95 rf95(5, 2); // Rocket Scream Mini Ultra Pro with the RFM95W
|
||
|
|
//RH_RF95 rf95(8, 3); // Adafruit Feather M0 with RFM95
|
||
|
|
|
||
|
|
// Need this on Arduino Zero with SerialUSB port (eg RocketScream Mini Ultra Pro)
|
||
|
|
//#define Serial SerialUSB
|
||
|
|
|
||
|
|
int led = 9;
|
||
|
|
|
||
|
|
void setup()
|
||
|
|
{
|
||
|
|
// Rocket Scream Mini Ultra Pro with the RFM95W only:
|
||
|
|
// Ensure serial flash is not interfering with radio communication on SPI bus
|
||
|
|
// pinMode(4, OUTPUT);
|
||
|
|
// digitalWrite(4, HIGH);
|
||
|
|
|
||
|
|
pinMode(led, OUTPUT);
|
||
|
|
Serial.begin(9600);
|
||
|
|
while (!Serial) ; // Wait for serial port to be available
|
||
|
|
if (!rf95.init())
|
||
|
|
Serial.println("init failed");
|
||
|
|
// Defaults after init are 434.0MHz, 13dBm, Bw = 125 kHz, Cr = 4/5, Sf = 128chips/symbol, CRC on
|
||
|
|
|
||
|
|
// The default transmitter power is 13dBm, using PA_BOOST.
|
||
|
|
// If you are using RFM95/96/97/98 modules which uses the PA_BOOST transmitter pin, then
|
||
|
|
// you can set transmitter powers from 5 to 23 dBm:
|
||
|
|
// driver.setTxPower(23, false);
|
||
|
|
// If you are using Modtronix inAir4 or inAir9,or any other module which uses the
|
||
|
|
// transmitter RFO pins and not the PA_BOOST pins
|
||
|
|
// then you can configure the power transmitter power for -1 to 14 dBm and with useRFO true.
|
||
|
|
// Failure to do that will result in extremely low transmit powers.
|
||
|
|
// driver.setTxPower(14, true);
|
||
|
|
}
|
||
|
|
|
||
|
|
void loop()
|
||
|
|
{
|
||
|
|
if (rf95.available())
|
||
|
|
{
|
||
|
|
// Should be a message for us now
|
||
|
|
uint8_t buf[RH_RF95_MAX_MESSAGE_LEN];
|
||
|
|
uint8_t len = sizeof(buf);
|
||
|
|
if (rf95.recv(buf, &len))
|
||
|
|
{
|
||
|
|
digitalWrite(led, HIGH);
|
||
|
|
// RH_RF95::printBuffer("request: ", buf, len);
|
||
|
|
Serial.print("got request: ");
|
||
|
|
Serial.println((char*)buf);
|
||
|
|
// Serial.print("RSSI: ");
|
||
|
|
// Serial.println(rf95.lastRssi(), DEC);
|
||
|
|
|
||
|
|
// Send a reply
|
||
|
|
uint8_t data[] = "And hello back to you";
|
||
|
|
rf95.send(data, sizeof(data));
|
||
|
|
rf95.waitPacketSent();
|
||
|
|
Serial.println("Sent a reply");
|
||
|
|
digitalWrite(led, LOW);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
Serial.println("recv failed");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|