Method sendACK

RFM69_ATC.cpp:51–62

============================================================================= sendAck() - updated to call new sendFrame with additional parameters ============================================================================= should be called immediately after reception in case sender wants ACK

//=============================================================================
// should be called immediately after reception in case sender wants ACK
void RFM69_ATC::sendACK(const void* buffer, uint8_t bufferSize) {
  ACK_REQUESTED = 0;   // TomWS1 added to make sure we don't end up in a timing race and infinite loop sending Acks
  uint16_t sender = SENDERID;
  int16_t _RSSI = RSSI; // save payload received RSSI value
  bool sendRSSI = ACK_RSSI_REQUESTED;  
  writeReg(REG_PACKETCONFIG2, (readReg(REG_PACKETCONFIG2) & 0xFB) | RF_PACKET2_RXRESTART); // avoid RX deadlocks
  uint32_t now = millis();
  while (!canSend() && millis() - now < RF69_CSMA_LIMIT_MS) receiveDone();
  SENDERID = sender;    // TomWS1: Restore SenderID after it gets wiped out by receiveDone()
  sendFrame(sender, buffer, bufferSize, false, true, sendRSSI, _RSSI);   // TomWS1: Special override on sendFrame with extra params
  RSSI = _RSSI; // restore payload RSSI
}

//=============================================================================
// sendFrame() - the basic version is used to match the RFM69 prototype so we can extend it