void nrf_cmd(uint8_t cmd, uint8_t data) {
RF1_WriteRegister(cmd, data);
#if 0
cbi(PORTB, PIN_nCS);
spi_byte(cmd);
spi_byte(data);
sbi(PORTB, PIN_nCS); //Deselect chip
#endif
}
/*!
* \brief Radio power-on initialization.
* \return Error code, ERR_OK if everything is ok.
*/
uint8_t RADIO_PowerUp(void) {
WAIT1_WaitOSms(100); /* the transceiver needs 100 ms power up time */
RF1_Init(); /* set CE and CSN to initialization value */
RF1_WriteRegister(RF1_RF_SETUP, RF1_RF_SETUP_RF_PWR_0|RF1_RF_SETUP_RF_DR_250);
#if NRF24_DYNAMIC_PAYLOAD
/* enable dynamic payload */
RF1_WriteFeature(RF1_FEATURE_EN_DPL|RF1_FEATURE_EN_ACK_PAY|RF1_FEATURE_EN_DYN_PAY); /* set EN_DPL for dynamic payload */
RF1_EnableDynanicPayloadLength(RF1_DYNPD_DPL_P0); /* set DYNPD register for dynamic payload for pipe0 */
#else
RF1_SetStaticPipePayload(0, RPHY_PAYLOAD_SIZE); /* static number of payload bytes we want to send and receive */
#endif
(void)RADIO_SetChannel(RADIO_CHANNEL_DEFAULT);
/* Set RADDR and TADDR as the transmit address since we also enable auto acknowledgment */
RF1_WriteRegisterData(RF1_RX_ADDR_P0, (uint8_t*)TADDR, sizeof(TADDR));
RF1_WriteRegisterData(RF1_TX_ADDR, (uint8_t*)TADDR, sizeof(TADDR));
/* Enable RX_ADDR_P0 address matching */
RF1_WriteRegister(RF1_EN_RXADDR, RF1_EN_RXADDR_ERX_P0); /* enable data pipe 0 */
/* clear interrupt flags */
RF1_ResetStatusIRQ(RF1_STATUS_RX_DR|RF1_STATUS_TX_DS|RF1_STATUS_MAX_RT);
/* rx/tx mode */
RF1_EnableAutoAck(RF1_EN_AA_ENAA_P0); /* enable auto acknowledge on pipe 0. RX_ADDR_P0 needs to be equal to TX_ADDR! */
RF1_WriteRegister(RF1_SETUP_RETR, RF1_SETUP_RETR_ARD_750|RF1_SETUP_RETR_ARC_15); /* Important: need 750 us delay between every retry */
RX_POWERUP(); /* Power up in receiving mode */
RF1_StartRxTx(); /* Listening for packets */
RADIO_AppStatus = RADIO_INITIAL_STATE;
/* init Rx descriptor */
radioRx.phyData = &radioRxBuf[0];
radioRx.phySize = sizeof(radioRxBuf);
radioRx.rxtx = &RPHY_BUF_SIZE(radioRx.phyData); /* we transmit the size too */
return ERR_OK;
}
void APP_Run(void) {
static const uint8_t chRf[] = {2, 26,80};
static const uint8_t chLe[] = {37,38,39};
uint8_t i, L, ch = 0;
uint8_t buf[32];
nrf_cmd(0x20, 0x12); //on, no crc, int on RX/TX done
nrf_cmd(0x21, 0x00); //no auto-acknowledge
nrf_cmd(0x22, 0x00); //no RX
nrf_cmd(0x23, 0x02); //5-byte address
nrf_cmd(0x24, 0x00); //no auto-retransmit
nrf_cmd(0x26, 0x06); //1MBps at 0dBm
nrf_cmd(0x27, 0x3E); //clear various flags
nrf_cmd(0x3C, 0x00); //no dynamic payloads
nrf_cmd(0x3D, 0x00); //no features
nrf_cmd(0x31, 32); //always RX 32 bytes
nrf_cmd(0x22, 0x01); //RX on pipe 0
buf[0] = 0x30; //set addresses
buf[1] = swapbits(0x8E);
buf[2] = swapbits(0x89);
buf[3] = swapbits(0xBE);
buf[4] = swapbits(0xD6);
#if 0
nrf_manybytes(buf, 5);
#else
RF1_WriteRegisterData(RF1_TX_ADDR, &buf[1], 4);
#endif
buf[0] = 0x2A;
#if 0
nrf_manybytes(buf, 5);
#else
RF1_WriteRegisterData(RF1_RX_ADDR_P0, &buf[1], 4);
#endif
while(1) {
L = 0;
buf[L++] = 0x40; //PDU type, given address is random
buf[L++] = 11; //17 bytes of payload
buf[L++] = MY_MAC_0;
buf[L++] = MY_MAC_1;
buf[L++] = MY_MAC_2;
buf[L++] = MY_MAC_3;
buf[L++] = MY_MAC_4;
buf[L++] = MY_MAC_5;
buf[L++] = 2; //flags (LE-only, limited discovery mode)
buf[L++] = 0x01;
buf[L++] = 0x05;
buf[L++] = 7;
buf[L++] = 0x08;
buf[L++] = 'n';
buf[L++] = 'R';
buf[L++] = 'F';
buf[L++] = ' ';
buf[L++] = 'L';
buf[L++] = 'E';
buf[L++] = 0x55; //CRC start value: 0x555555
buf[L++] = 0x55;
buf[L++] = 0x55;
if(++ch == sizeof(chRf)) { /* channel hopping */
ch = 0;
}
//nrf_cmd(0x25, chRf[ch]);
(void)RF1_SetChannel(chRf[ch]);
//nrf_cmd(0x27, 0x6E); //clear flags
RF1_WriteRegister(RF1_STATUS, RF1_STATUS_RX_DR|RF1_STATUS_TX_DS|RF1_STATUS_RX_P_NO_RX_FIFO_EMPTY); /* clear flags */
btLePacketEncode(buf, L, chLe[ch]);
//nrf_simplebyte(0xE2); //Clear RX Fifo
RF1_Write(RF1_FLUSH_RX); /* flush old data */
//nrf_simplebyte(0xE1); //Clear TX Fifo
//RF1_Write(RF1_FLUSH_TX); /* flush old data */ /* done in RF1_TxPayload() */
RF1_TxPayload(buf, L);
#if 0
cbi(PORTB, PIN_nCS);
spi_byte(0xA0);
for(i = 0 ; i < L ; i++) {
spi_byte(buf[i]);
}
sbi(PORTB, PIN_nCS);
nrf_cmd(0x20, 0x12); //tx on
sbi(PORTB, PIN_CE); //do tx
delay_ms(10);
cbi(PORTB, PIN_CE); (in preparation of switching to RX quickly);
#endif
LED1_Neg();
WAIT1_Waitms(10);
} /* for */
}
