char p2p_init()
{
char cfg_location = '?';
/* === read node configuration data ===================================== */
/* 1st trial: read from EEPROM */
if (get_node_config_eeprom(&NodeConfig, 0) == 0)
{
/* using EEPROM config */;
cfg_location = 'E';
}
/* 2nd trial: read from FLASHEND */
else if (get_node_config(&NodeConfig) == 0)
{
/* using FLASHEND config */;
cfg_location = 'F';
}
/* 3rd trial: read default values compiled into the application */
else
{
/* using application default config */;
memcpy_P(&NodeConfig, (PGM_VOID_P) & nc_flash, sizeof(node_config_t));
cfg_location = 'D';
}
radio_init(rxbuf, sizeof(rxbuf)/sizeof(rxbuf[0]));
radio_set_state(STATE_OFF);
radio_set_param(RP_IDLESTATE(STATE_OFF));
radio_set_param(RP_CHANNEL(NodeConfig.channel));
radio_set_param(RP_SHORTADDR(NodeConfig.short_addr));
radio_set_param(RP_PANID(NodeConfig.pan_id));
return cfg_location;
}
void app_init(void)
{
LED_INIT();
KEY_INIT();
hif_init(HIF_DEFAULT_BAUDRATE);
timer_init();
radio_init(RxFrame, sizeof(RxFrame));
radio_set_state(STATE_OFF);
radio_set_param(RP_CHANNEL(CHANNEL));
radio_set_param(RP_IDLESTATE(STATE_RXAUTO));
radio_set_param(RP_SHORTADDR(RT_ADDR));
radio_set_param(RP_PANID(RT_PANID));
#if RADIO_TYPE == RADIO_AT86RF212
radio_set_param(RP_DATARATE(OQPSK100));
#endif
}
void cMxRadio::begin(channel_t chan,uint16_t panid,uint16_t localaddress,bool needackval,bool autotxval,bool autorxval,char autoretrycount)
{
setautotx=autotxval;
setautorx=autorxval;
needack=needackval;
radio_init(rxFrameBuffer, MAX_FRAME_SIZE);
//////////////////////////////
#ifdef SR_MAX_FRAME_RETRES
trx_bit_write(SR_MAX_FRAME_RETRES,autoretrycount & 0Xf);//for auto wake up
//////////////////////////////
#endif
if(!needack)
txTmpBuffer[0] = 0x41;
else
txTmpBuffer[0] = 0x61; //ack required
txTmpBuffer[1] = 0x88;
txTmpBuffer[2] = 0;
txTmpBuffer[3]=(uint8_t)(panid & 0xFF );
txTmpBuffer[4]=(uint8_t)((panid>>8) & 0xFF );
txTmpBuffer[5] = 0xFF; //dest address low byte
txTmpBuffer[6] = 0xFF; //dest address hight byte
txTmpBuffer[7] = (uint8_t)(localaddress & 0xFF );
txTmpBuffer[8] = (uint8_t)((localaddress>>8) & 0xFF );
setParam(phyPanId,(uint16_t)panid );
setParam(phyShortAddr,(uint16_t)localaddress );
radio_set_param(RP_CHANNEL(chan));
// default to receiver
if (setautorx)
radio_set_state(STATE_RXAUTO);
else
radio_set_state(STATE_RX);
#ifdef ENABLE_DIG3_DIG4
trx_bit_write(SR_PA_EXT_EN, 1);
#endif
}
/**
* @brief Radio Initialization
*
* Overload for radio initalization that allows for the user to set a custom frame header
*
* @param chan channel number for the radio to use, 11 to 26
* @param frameHeader HeadSize byte custom frame header
*/
void cMxRadio::begin(channel_t chan, uint8_t* frameHeader)
{
radio_init(rxFrameBuffer, MAX_FRAME_SIZE);
if (frameHeader)
{
// copy custom frame header
int i;
for (i = 0; i < HeadSize; i++)
txTmpBuffer[i] = frameHeader[i];
}
else
{
txTmpBuffer[0] = 0x41;
txTmpBuffer[1] = 0x88;
txTmpBuffer[2] = 0;
txTmpBuffer[3]=0xCD;
txTmpBuffer[4]=0xAB;
txTmpBuffer[5] = 0xFF; //dest address low byte
txTmpBuffer[6] = 0xFF; //dest address hight byte
txTmpBuffer[7] = 0x01;;
txTmpBuffer[8] = 0x00;;
}
// set the channel
radio_set_param(RP_CHANNEL(chan));
// default to receiver
if (setautorx)
radio_set_state(STATE_RXAUTO);
else
radio_set_state(STATE_RX);
#ifdef ENABLE_DIG3_DIG4
trx_bit_write(SR_PA_EXT_EN, 1);
#endif
}
/**
* @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();
}
/**
* @brief Sets Radio Channel
*
* changes the radio channel by setting the radio channel state
*
* @param chan channel number, 11 to 26
*/
void zr_setChannel(channel_t chan)
{
radio_set_param(RP_CHANNEL(chan));
}
/**
* @brief Sets Radio Channel
*
* changes the radio channel by setting the radio channel state
*
* @param chan channel number, 11 to 26
*/
void cMxRadio::setChannel(channel_t chan)
{
radio_set_param(RP_CHANNEL(chan));
}
