void RADIOClass::SendData(byte *txBuffer,byte size)
{
WriteSingleReg(RADIO_TXFIFO,size);
WriteBurstReg(RADIO_TXFIFO,txBuffer,size); //write data to send
Strobe(RADIO_STX); //start send
while (!digitalRead(GDO0)); // Wait for GDO0 to be set -> sync transmitted
while (digitalRead(GDO0)); // Wait for GDO0 to be cleared -> end of packet
Strobe(RADIO_SFTX); //flush TXfifo
}
void Transmit(unsigned char *buffer, unsigned char length)
{
RF1AIES |= BIT9;
RF1AIFG &= ~BIT9; // Clear pending interrupts
RF1AIE |= BIT9; // Enable TX end-of-packet interrupt
WriteBurstReg(RF_TXFIFOWR, buffer, length);
Strobe( RF_STX ); // Strobe STX
}
void it_tx_cmd(uint8_t prefix, uint8_t cmd)
{
uint8_t p = 0;
uint8_t rprefix;
uint8_t it_buff[INTERTECHNO_SEQ_SIZE];
int8_t i;
rprefix = rotate_byte(prefix);
// replace 1 with 0x8e and 0 with 0x88
for (i = 7; i >= 0; i--) {
if (rprefix & (1 << i)) {
it_buff[p] = 0x8e;
} else {
it_buff[p] = 0x88;
}
p++;
}
for (i = 3; i >= 0; i--) {
if (cmd & (1 << i)) {
it_buff[p] = 0x8e;
} else {
it_buff[p] = 0x88;
}
p++;
}
// sync sequence
it_buff[p++] = 0x80;
it_buff[p++] = 0;
it_buff[p++] = 0;
it_buff[p] = 0;
// display RF symbol
display_symbol(0, LCD_ICON_BEEPER1, SEG_ON);
display_symbol(0, LCD_ICON_BEEPER2, SEG_ON);
display_symbol(0, LCD_ICON_BEEPER3, SEG_ON);
it_rf_init();
Strobe(RF_SCAL); // re-calibrate radio
// set an interrupt to trigger when the packet is fully sent
RF1AIES |= BIT9;
RF1AIFG &= ~BIT9; // Clear pending interrupts
RF1AIE |= BIT9; // Enable TX end-of-packet interrupt
// factory remotes send the command sequence 4 times
for (i = 0; i < 4; i++) {
WriteBurstReg(RF_TXFIFOWR, it_buff, INTERTECHNO_SEQ_SIZE);
}
Strobe(RF_STX); // transmit
}
void tx_data_isr()
{
//Calculate number of free bytes in TXFIFO
uint8_t txBytes = 64 - ReadSingleReg(TXBYTES);
#ifdef D7_PHY_USE_FEC
if(fec)
{
uint8_t fecbuffer[4];
//If remaining bytes is equal or less than 255 - fifo size, set length to fixed
if(remainingBytes < 192)
set_length_infinite(false);
while (txBytes >= 4) {
//Get encoded data, stop when no more data available
if(fec_encode(fecbuffer) == false)
break;
//Write data to tx fifo
WriteBurstReg(TXFIFO, fecbuffer, 4);
remainingBytes -= 4;
txBytes -= 4;
}
} else {
#endif
//Limit number of bytes to remaining bytes
if(txBytes > remainingBytes)
txBytes = remainingBytes;
//Write data to tx fifo
WriteBurstReg(TXFIFO, bufferPosition, txBytes);
remainingBytes -= txBytes;
bufferPosition += txBytes;
#ifdef D7_PHY_USE_FEC
}
#endif
}
void Init_RF(void){
// Increase PMMCOREV level to 2 in order to avoid low voltage error
// when the RF core is enabled
SetVCore(2);
ResetRadioCore();
WriteBurstReg(IOCFG2, (unsigned char*)RF1A_REGISTER_CONFIG, CONF_REG_SIZE);
WritePATable();
InitButtonLed();
ReceiveOn();
//Wait for RX status to be reached
while((Strobe(RF_SNOP) & 0x70) != 0x10);
}
void RADIOClass::PATABLE(void)
{
WriteBurstReg(RADIO_PATABLE, PaTabel, 8);
}