91 lines
2.7 KiB
C++
91 lines
2.7 KiB
C++
// abz_server.pde
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// -*- mode: C++ -*-
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// Example sketch showing how to create a simple messageing server
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// with the RH_ABZ class. RH_ABZ class does not provide for addressing or
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// reliability, so you should only use RH_ABZ directly if you do not need the higher
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// level messaging abilities.
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// It is designed to work with the other example abz_server
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// Tested with Tested with EcoNode SmartTrap, Arduino 1.8.9, GrumpyOldPizza Arduino Core for STM32L0.
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#include <SPI.h>
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#include <RH_ABZ.h>
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// Singleton instance of the radio driver
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RH_ABZ abz;
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// Valid for SmartTrap, maybe not other boards
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#define GREEN_LED 13
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#define YELLOW_LED 12
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#define RED_LED 11
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void setup()
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{
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pinMode(GREEN_LED, OUTPUT);
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pinMode(YELLOW_LED, OUTPUT);
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pinMode(RED_LED, OUTPUT);
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Serial.begin(9600);
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// Wait for serial port to be available
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// If you do this, it will block here until a USB serial connection is made.
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// If not, it will continue without a Serial connection, but DFU mode will not be available
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// to the host without resetting the CPU with the Boot button
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// while (!Serial) ;
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// You must be sure that the TCXO settings are appropriate for your board and radio.
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// See the RH_ABZ documentation for more information.
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// This call is adequate for Tlera boards supported by the Grumpy Old Pizza Arduino Core
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// It may or may not be innocuous for others
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SX1276SetBoardTcxo(true);
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delay(1);
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if (!abz.init())
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Serial.println("init failed");
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// Defaults after init are 434.0MHz, 13dBm, Bw = 125 kHz, Cr = 4/5, Sf = 128chips/symbol, CRC on
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abz.setFrequency(868.0);
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// You can change the modulation speed etc from the default
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//abz.setModemConfig(RH_RF95::Bw125Cr45Sf128);
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//abz.setModemConfig(RH_RF95::Bw125Cr45Sf2048);
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// The default transmitter power is 13dBm, using PA_BOOST.
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// You can set transmitter powers from 2 to 20 dBm:
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//abz.setTxPower(20); // Max power
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}
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void loop()
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{
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digitalWrite(YELLOW_LED, 1);
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digitalWrite(GREEN_LED, 0);
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digitalWrite(RED_LED, 0);
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if (abz.available())
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{
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// Should be a message for us now
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uint8_t buf[RH_RF95_MAX_MESSAGE_LEN];
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uint8_t len = sizeof(buf);
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if (abz.recv(buf, &len))
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{
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digitalWrite(GREEN_LED, 1);
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// RH_ABZ::printBuffer("request: ", buf, len);
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Serial.print("got request: ");
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Serial.println((char*)buf);
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// Serial.print("RSSI: ");
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// Serial.println(abz.lastRssi(), DEC);
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// Send a reply
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uint8_t data[] = "And hello back to you";
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abz.send(data, sizeof(data));
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abz.waitPacketSent();
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Serial.println("Sent a reply");
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digitalWrite(GREEN_LED, 0);
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}
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else
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{
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Serial.println("recv failed");
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}
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}
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}
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