Files
rc-radio/radio.cpp
2020-10-02 11:07:54 +02:00

139 lines
2.9 KiB
C++

#include <Arduino.h>
#include <RHReliableDatagram.h>
#include <RH_NRF24.h>
#include <SPI.h>
#include "radio.h"
static unsigned long lastSerialTime;
RcData data;
RcData* getDataptr( void )
{
return &data;
}
void radio_c::begin( )
{
if (!RadioManager.init())
{
#ifdef DEBUG
Serial.println("init failed");
#endif
open = false;
}
else
{
open = true;
}
}
bool radio_c::transmitData( void )
{
RcData* data = getDataptr();
uint8_t* payload = data->getByteArray();
if (RadioManager.sendtoWait(payload, sizeof(payload), m_myaddress))
{
// Now wait for a reply from the server
uint8_t len = sizeof(buf);
uint8_t from;
if (RadioManager.recvfromAckTimeout(buf, &len, 2000, &from))
{
#ifdef DEBUG
Serial.print("got reply from : 0x");
Serial.print(from, HEX);
Serial.print(": ");
Serial.println((char*)buf);
#endif
return true;
}
else
{
#ifdef DEBUG
Serial.println("No reply, is nrf24_reliable_datagram_server running?");
#endif
return false;
}
}
else
{
#ifdef DEBUG
Serial.println("sending failed");
#endif
return false;
}
}
bool radio_c::receiveData( void )
{
RcData* data = getDataptr();
if (RadioManager.available())
{
// Wait for a message addressed to us from the client
uint8_t len = sizeof(buf);
uint8_t from;
if (RadioManager.recvfromAck(buf, &len, &from))
{
lastRecvTime = millis();
if(!data->setRcData(buf))
{
#ifdef DEBUG
Serial.println("package inclompete")
#endif
return false;
}
// Send a reply back to the originator client, check for error
if (!RadioManager.sendtoWait(data->getReturnData(), sizeof(data->getReturnData()), from))
{
#ifdef DEBUG
Serial.println("sendtoWait failed");
#endif
return false;
}
}
// set all analog values to their middle position, if no RC signal is received during 1s!
if (millis() - lastRecvTime > 1000)
{
data->setfailsafe();
#ifdef DEBUG
Serial.println("No Radio Available - Check Transmitter!");
#endif
return false;
}
if (millis() - lastRecvTime > 2000) {
begin(); // re-initialize radio
lastRecvTime = millis();
return false;
}
}
return true;
}
void sendSerialCommands( void )
{
RcData* data = getDataptr();
if (millis() - lastSerialTime > 20) { // Send the data every 20ms
lastSerialTime = millis();
#ifdef DEBUG
Serial.print('<'); // Start marker
Serial.println(data->axis1);
Serial.println(data->axis2);
Serial.println(data->axis3);
Serial.println(data->axis4);
Serial.println(data->pot);
Serial.println(data->momentary1);
Serial.println(data->momentary2);
Serial.println(data->getfailsafe());
Serial.print('>'); // End marker
#endif
}
}