LoRa High Level Examples using LightLora

LoraPingPong.ino

include "LoraUtil.h"

unsigned long _SendTime = 0;
unsigned long _SendInterval = 10000;	// 10 seconds allowed for send
int packetnum = 0;		// packet counter

setup()
{
	_Lru = new LoraUtil();
}

loop()
{
	// Send a packet if we've not received anything in too long
	if ((millis() - _SendTime) > _SendInterval)
	{
		// Send a message
		_Lru->sendString("Wake up!");		// ping
		_SendTime = millis();
	}

	// Do we have a packet available?
	if (_Lru->isPacketAvailable())
	{
		// Should be a message for us now
		LoraPacket* pkt = _Lru->readPacket();
		if(pkt != NULL)
		{
			// print what we've received
			String reply = pkt->msgTxt;
			String getrssi = "RS:" + String(pkt->rssi) + "_" + String(pkt->snr);
			delete pkt;		// we own it... so delete it
			Serial.println("Got packet: " + reply);	// show reply
			Serial.println(getrssi);				// and stats
			// send a reply
			delay(200);					// let the receiver power up
			_Lru->sendString(getrssi);	// pong
			_SendTime = millis();
			Serial.println("Waiting for reply...");
			packetnum++;
		}
		else
		{
			Serial.println("Receive failed");
		}
	}
	else
	{
		delay(50); // next loop, nothing's happening
	}
}

LoraPingPong.py

import time
from LightLora import lorautil
# to start running a loop test. Ctrl-C to stop.

_Lru = lorautil.LoraUtil()	# the LoraUtil object
_SendTime = 0
_SendInterval = 10000  # 10 seconds allowed for send
packetnum = 0  # packet counter

while True:

	if (time.time() - _SendTime) > _SendInterval:
		_Lru.sendPacket(0xff, 0x41, 'Wake up!'.encode())
		_SendTime = time.time()

	if _Lru.isPacketAvailable():
		pkt = None
		try:
			pkt = _Lru.readPacket()
			if pkt and pkt.msgTxt:
				getrssi = 'RS:' + str(pkt.rssi) + '_' + str(pkt.snr)
				_Lru.sendPacket(0xff, 0x41, getrssi.encode())
				_SendTime = time.time()
				print('Waiting for reply')
			packetnum = packetnum + 1
		except Exception as ex:
			print(str(ex))
	else:
		time.sleep(.05)