main.cc

/*
 * Copyright 2020 Daniel Friesel
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */
#include "arch.h"
#include "driver/gpio.h"
#include "driver/stdout.h"
#include "driver/nrf24l01.h"
#include "driver/counter.h"

#define TIMEIT(index, functioncall) \
	counter.start();                \
	functioncall;                   \
	counter.stop();                 \
	kout << endl                    \
		 << index << " :: " << dec << counter.value << "/" << counter.overflow << endl;

char buf[32];

void loop(void)
{
	gpio.led_toggle(1);
	static uint8_t do_send = 0;
	uint8_t status = nrf24l01.getStatus();

	kout << "status: " << hex << status;
	if (status & 0x40)
	{
		kout << " RX_DR";
	}
	if (status & 0x20)
	{
		kout << " TX_DS";
	}
	if (status & 0x10)
	{
		kout << " MAX_RT";
	}
	if ((status & 0x0e) == 0x0e)
	{
		kout << " RX_EMPTY";
	}
	if (status & 0x01)
	{
		kout << " TX_FULL";
	}
	if ((status & 0x0e) < 0x0d)
	{
		kout << " @" << (status & 0x0e) / 2;
	}
	kout << endl;

#ifdef NRF24L01TEST_TX
	//kout << nrf24l01.write("foo", 3, true, true) << " ";
	//kout << nrf24l01.write("123456789", 10, true, true) << " ";
	if (do_send++ % 2)
	{
		// TODO .write(...) ist wenn der Empfänger verschwindet trotzdem noch ein paar mal erfolgreich. Das sieht komisch aus.
		nrf24l01.flushTx();
		status = nrf24l01.write("123456789123456789", 20, true, false);
		kout << "write: " << status << endl;
		kout << "Observe TX = " << hex << nrf24l01.getObserveTx() << endl;
	}
#else
	kout << "carrier " << nrf24l01.testCarrier() << " / RPD " << nrf24l01.testRPD();
	if (nrf24l01.available())
	{
		nrf24l01.read(buf, 32);
		buf[31] = 0;
		kout << " / data = " << buf << endl;
	}
	else
	{
		kout << " / no data" << endl;
	}
	// flush carrier / rpd status
	nrf24l01.stopListening();
	nrf24l01.startListening();
#endif
}

int main(void)
{
	arch.setup();
	gpio.setup();
	kout.setup();

	kout << "nrf24l01.setup() ...";
	nrf24l01.setup();
	kout << " complete" << endl;

	kout << "nrf24l01 configure ...";
	unsigned char addr[5] = {0, 'D', 'E', 'R', 'F'};
	nrf24l01.setAutoAck(1);
	//nrf24l01.enableAckPayload();
	nrf24l01.setDynamicPayloads(true);
	nrf24l01.setPALevel(Nrf24l01::RF24_PA_HIGH);
	nrf24l01.setChannel(23);
	nrf24l01.setDataRate(Nrf24l01::RF24_2MBPS);
	nrf24l01.setRetries(15, 15);
#ifdef NRF24L01TEST_TX
	nrf24l01.openWritingPipe((const uint8_t *)addr);
#else
	nrf24l01.openReadingPipe(1, addr);
	nrf24l01.startListening();
#endif
	kout << " complete" << endl;

	gpio.led_on(0);
	arch.idle_loop();

	return 0;
}