/**
* @brief Raw Frame Transmit
*
* Transmits a frame
* Warning: no frame header or FCS is added
*
* @param frm array containing frame data
* @param len length of the frame
*/
void zr_txFrame(uint8_t* frm, uint8_t len)
{
#ifdef ZRC_TXWAIT_BEFORE
zr_waitTxDone(0xFFFF);
#endif
zr_txIsBusy = 1;
radio_set_state(STATE_TX);
ZR_RFTX_LED_ON();
radio_send_frame(len, frm, 0);
#ifdef ZRC_TXWAIT_AFTER
zr_waitTxDone(0xFFFF);
radio_set_state(STATE_RX);
zr_txIsBusy = 0;
#endif
}
/**
* @brief TX a Byte
*
* If "beginTrasmission" was used, then it writes into the transmit buffer for non-immediate mode
* If "beginTrasmission" was not used, then it transmits the single byte immediately (slower for multiple bytes)
*
* @param c character to be sent
*/
void cMxRadio::write(uint8_t c)
{
if (usedBeginTransmission)
{
if (txTmpBufferLength < ZR_TXTMPBUFF_SIZE - 2)
{
txTmpBuffer[txTmpBufferLength] = c;
txTmpBufferLength++;
if (txTmpBufferLength >= ZR_TXTMPBUFF_SIZE - 2)
{
// buffer is now full
// just send it all out so we have more room
endTransmission();
beginTransmission();
}
}
}
else
{
txTmpBuffer[HeadSize] = c; // set payload
txTmpBuffer[HeadSize+1] = 0; // empty FCS
txTmpBuffer[HeadSize+2] = 0; // empty FCS
#ifdef ZR_TXWAIT_BEFORE
waitTxDone(0xFFFF);
#endif
txIsBusy = 1;
if (setautotx)
radio_set_state(STATE_TXAUTO);
else
radio_set_state(STATE_TX);
ZR_RFTX_LED_ON();
radio_send_frame(10, txTmpBuffer, 0);
#ifdef ZR_TXWAIT_AFTER
waitTxDone(0xFFFF);
if (setautorx)
radio_set_state(STATE_RXAUTO);
else
radio_set_state(STATE_RX);
txIsBusy = 0;
#endif
}
}
/**
* @brief Finalize Trasmission
*
* Finalize the payload and transmits it when ready
*
*/
void zr_endTransmission()
{
zr_usedBeginTransmission = 0;
// empty FCS field
zr_txTmpBufferLength += 2;
#ifdef ZRC_TXWAIT_BEFORE
zr_waitTxDone(0xFFFF);
#endif
zr_txIsBusy = 1;
radio_set_state(STATE_TX);
ZR_RFTX_LED_ON();
radio_send_frame(zr_txTmpBufferLength, zr_txTmpBuffer, 0);
#ifdef ZRC_TXWAIT_AFTER
zr_waitTxDone(0xFFFF);
radio_set_state(STATE_RX);
zr_txIsBusy = 0;
#endif
}
/**
* @brief Raw Frame Transmit
*
* Transmits a frame
* Warning: no frame header or FCS is added
*
* @param frm array containing frame data
* @param len length of the frame
*/
void cMxRadio::txFrame(uint8_t* frm, uint8_t len)
{
#ifdef ZR_TXWAIT_BEFORE
waitTxDone(0xFFFF);
#endif
txIsBusy = 1;
if (setautotx)
radio_set_state(STATE_TXAUTO);
else
radio_set_state(STATE_TX);
ZR_RFTX_LED_ON();
radio_send_frame(len, frm, 0);
#ifdef ZR_TXWAIT_AFTER
waitTxDone(0xFFFF);
if (setautorx)
radio_set_state(STATE_RXAUTO);
else
radio_set_state(STATE_RX);
txIsBusy = 0;
#endif
}
/**
* @brief TX a Byte
*
* If "beginTrasmission" was used, then it writes into the transmit buffer for non-immediate mode
* If "beginTrasmission" was not used, then it transmits the single byte immediately (slower for multiple bytes)
*
* @param c character to be sent
*/
void zr_write(uint8_t c)
{
if (zr_usedBeginTransmission)
{
if (zr_txTmpBufferLength < ZRC_TXTMPBUFF_SIZE - 2)
{
zr_txTmpBuffer[zr_txTmpBufferLength] = c;
zr_txTmpBufferLength++;
if (zr_txTmpBufferLength >= ZRC_TXTMPBUFF_SIZE - 2)
{
// buffer is now full
// just send it all out so we have more room
zr_endTransmission();
zr_beginTransmission();
}
}
}
else
{
zr_txTmpBuffer[7] = c; // set payload
zr_txTmpBuffer[8] = 0; // empty FCS
zr_txTmpBuffer[9] = 0; // empty FCS
#ifdef ZRC_TXWAIT_BEFORE
zr_waitTxDone(0xFFFF);
#endif
zr_txIsBusy = 1;
radio_set_state(STATE_TX);
ZR_RFTX_LED_ON();
radio_send_frame(10, zr_txTmpBuffer, 0);
#ifdef ZRC_TXWAIT_AFTER
zr_waitTxDone(0xFFFF);
radio_set_state(STATE_RX);
zr_txIsBusy = 0;
#endif
}
}
/**
* @brief Finalize Trasmission
*
* Finalize the payload and transmits it when ready
*
*/
void cMxRadio::endTransmission()
{
usedBeginTransmission = 0;
// empty FCS field
txTmpBufferLength += 2;
#ifdef ZR_TXWAIT_BEFORE
waitTxDone(0xFFFF);
#endif
txIsBusy = 1;
if (setautotx)
radio_set_state(STATE_TXAUTO);
else
radio_set_state(STATE_TX);
ZR_RFTX_LED_ON();
//if broadcase ,cant need ack
if(txTmpBuffer[5]==0xff && txTmpBuffer[5]==0xff)
txTmpBuffer[0]=txTmpBuffer[0]&0xdf;
else
{
if(!needack)
txTmpBuffer[0] = 0x41;
else
txTmpBuffer[0] = 0x61; //ack required
}
radio_send_frame(txTmpBufferLength, txTmpBuffer, 0);
#ifdef ZR_TXWAIT_AFTER
waitTxDone(0xFFFF);
if (setautorx)
radio_set_state(STATE_RXAUTO);
else
radio_set_state(STATE_RX);
txIsBusy = 0;
#endif
}
