// empty constructor, should not be called by user
cMxRadio::cMxRadio(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName rst, PinName slp, PinName irq)
:m_spi(mosi, miso, sclk), m_cs(cs), reset_pin(rst), sleep_pin(slp),irq_pin(irq)
{
// default event handlers
zrEventTxDone=0;
zrEventReceiveFrame=0;
temprssi=0;
setautotx=false;
setautorx=false;
needack=false;
usedBeginTransmission = 0;
hasAttachedTxEvent = 0;
hasAttachedRxEvent = 0;
lastLqi = 0;
lastRssi = 0;
txTmpBufferLength = 0;
rxRingBufferHead = 0;
rxRingBufferTail = 0;
/*
user_radio_tx_done=0;
user_radio_receive_frame=0;
user_radio_irq=0;
user_radio_error=0;
*/
zr_attach_receive_frame(&cMxRadio::onReceiveFrame);
zr_attach_tx_done(&cMxRadio::onTxDone);
}
/**
* @brief Radio Initialization
*
* The function initializes all IO ressources,
* needed for the usage of the radio and performs
* a reset to the radio.
* It prepares the frame header.
* Then it sets the channel number and defaults to RX state.
*
* @param chan channel number for the radio to use, 11 to 26
* @param frameHeader 7 byte custom frame header, or null if you want to use a default frame header
*/
void zr_init(channel_t chan, uint8_t* frameHeader)
{
user_radio_error = 0;
user_radio_irq = 0;
zr_attach_receive_frame(zr_onReceiveFrame);
zr_attach_tx_done(zr_onTxDone);
radio_init(zr_rxFrameBuffer, MAX_FRAME_SIZE);
if (frameHeader)
{
// copy custom frame header
int i;
for (i = 0; i < 7; i++)
zr_txTmpBuffer[i] = frameHeader[i];
}
else
{
// fixed frame header
zr_txTmpBuffer[0] = 0x01; zr_txTmpBuffer[1] = 0x80; zr_txTmpBuffer[2] = 0; zr_txTmpBuffer[3] = 0x11; zr_txTmpBuffer[4] = 0x22; zr_txTmpBuffer[5] = 0x33; zr_txTmpBuffer[6] = 0x44;
}
// set the channel
radio_set_param(RP_CHANNEL(chan));
// default to receiver
radio_set_state(STATE_RX);
#ifdef ENABLE_DIG3_DIG4
trx_bit_write(SR_PA_EXT_EN, 1);
#endif
ZR_RFRX_LED_OUTPUT();
ZR_RFTX_LED_OUTPUT();
ZR_RFRX_LED_OFF();
ZR_RFTX_LED_OFF();
}
