void RFM69::sendFrame(uint16_t toAddress, const void* buffer, uint8_t bufferSize, bool requestACK, bool sendACK)
{
  uint8_t Sven;
  Sven = readReg(REG_OPMODE);
  Serial.println(Sven);
  Sven = readReg(REG_IRQFLAGS1);
  Serial.println(Sven);
  setMode(RF69_MODE_STANDBY);
  Sven = readReg(REG_IRQFLAGS1);
  Serial.println(Sven);// turn off receiver to prevent reception while filling fifo
  writeReg(0x01,0x08);
  delay(10);
  Sven = readReg(REG_OPMODE);
  Serial.println(Sven);
  Sven = readReg(REG_IRQFLAGS1);
  Serial.println(Sven);
  writeReg(0x01,0x04);
  delay(10);
  Sven = readReg(REG_OPMODE);
  Serial.println(Sven);
  Sven = readReg(REG_IRQFLAGS1);
  Serial.println(Sven);
  Sven = readReg(REG_IRQFLAGS2);
  Serial.println(Sven);
  setHighPowerRegs(true);

    select();
    SPI.transfer(REG_FIFO | 0x80);
    SPI.transfer(bufferSize + 3);
    SPI.transfer((uint8_t)toAddress);
    SPI.transfer((uint8_t)_address);

    for (uint8_t i = 0; i < bufferSize; i++)
      SPI.transfer(((uint8_t*) buffer)[i]);
    unselect();

    Sven = readReg(REG_IRQFLAGS2);
    Serial.println(Sven);

  writeReg(0x01,0x0C);
  delay(10);
  writeReg(REG_DIOMAPPING1, 0x00);
  Sven = readReg(REG_IRQFLAGS1);
  Serial.println(Sven);
  delay(10);
  Sven = readReg(REG_IRQFLAGS1);
  Serial.println(Sven);
  Sven = readReg(REG_IRQFLAGS2);
  Serial.println(Sven);
  //while (!((readReg(0x27) & 0x80) == 0x80));
  writeReg(0x01,0x04);
  delay(10);
  Sven = readReg(REG_OPMODE);
  Serial.println(Sven);
  Sven = readReg(REG_IRQFLAGS1);
  Serial.println(Sven);
  Sven = readReg(REG_IRQFLAGS2);
  Serial.println(Sven);
  setHighPowerRegs(false);
  Sven = readReg(REG_OPMODE);
  Serial.println(Sven);
  Sven = readReg(REG_IRQFLAGS1);
  Serial.println(Sven);
  Sven = readReg(REG_IRQFLAGS2);
  Serial.println(Sven);
}