Пример #1
0
LOCAL void RF24_startListening(void) {
	RF24_DEBUG(PSTR("RF24:start listening\n"));
	// toggle PRX		
	RF24_setRFConfiguration(MY_RF24_CONFIGURATION | _BV(PWR_UP) | _BV(PRIM_RX) );
	// all RX pipe addresses must be unique, therefore skip if node ID is 0xFF
	if(MY_RF24_NODE_ADDRESS!=AUTO) RF24_setPipeLSB(RX_ADDR_P0, MY_RF24_NODE_ADDRESS);
	// start listening
	RF24_ce(HIGH);
}
Пример #2
0
LOCAL void RF24_stopListening(void) {
	RF24_DEBUG(PSTR("RF24:stop listening\n"));
	RF24_ce(LOW);
	// timing
	delayMicroseconds(130);
	RF24_setRFConfiguration(MY_RF24_CONFIGURATION | _BV(PWR_UP) );
	// timing
	delayMicroseconds(100);
}
Пример #3
0
LOCAL bool RF24_initialize(void) {
	// Initialize pins
	pinMode(MY_RF24_CE_PIN,OUTPUT);
	pinMode(MY_RF24_CS_PIN,OUTPUT);
	// Initialize SPI
	_SPI.begin();
	RF24_ce(LOW);
	RF24_csn(HIGH);
	// CRC and power up
	RF24_setRFConfiguration(MY_RF24_CONFIGURATION | _BV(PWR_UP) ) ;
	// settle >2ms
	delay(5);
	// set address width
	RF24_setAddressWidth(MY_RF24_ADDR_WIDTH);
	// auto retransmit delay 1500us, auto retransmit count 15
	RF24_setRetries(RF24_ARD, RF24_ARC);
	// set channel
	RF24_setChannel(MY_RF24_CHANNEL);
	// set data rate and pa level
	RF24_setRFSetup(MY_RF24_RF_SETUP);
	// sanity check
	#if defined(MY_RF24_SANITY_CHECK)
	if (!RF24_sanityCheck()) {
		RF24_DEBUG(PSTR("RF24:Sanity check failed: configuration mismatch! Check wiring, replace module or non-P version\n"));
		return false;
	}
	#endif
	// toggle features (necessary on some clones)
	RF24_enableFeatures();
	// enable ACK payload and dynamic payload
	RF24_setFeature(MY_RF24_FEATURE);
    // enable broadcasting pipe
	RF24_setPipe(_BV(ERX_P0 + BROADCAST_PIPE));
	// disable AA on all pipes, activate when node pipe set
	RF24_setAutoACK(0x00);
	// enable dynamic payloads on used pipes
	RF24_setDynamicPayload(_BV(DPL_P0 + BROADCAST_PIPE) | _BV(DPL_P0));
	// listen to broadcast pipe
	MY_RF24_BASE_ADDR[0] = BROADCAST_ADDRESS;
	RF24_setPipeAddress(RX_ADDR_P0 + BROADCAST_PIPE, (uint8_t*)&MY_RF24_BASE_ADDR, BROADCAST_PIPE > 1 ? 1 : MY_RF24_ADDR_WIDTH);
	// pipe 0, set full address, later only LSB is updated
	RF24_setPipeAddress(RX_ADDR_P0, (uint8_t*)&MY_RF24_BASE_ADDR, MY_RF24_ADDR_WIDTH);
	RF24_setPipeAddress(TX_ADDR, (uint8_t*)&MY_RF24_BASE_ADDR, MY_RF24_ADDR_WIDTH);
	// reset FIFO
	RF24_flushRX();
	RF24_flushTX();
	// reset interrupts
	RF24_setStatus(_BV(TX_DS) | _BV(MAX_RT) | _BV(RX_DR));
	return true;
}
Пример #4
0
LOCAL void RF24_powerDown(void)
{
	RF24_ce(LOW);
	RF24_setRFConfiguration(MY_RF24_CONFIGURATION);
	RF24_DEBUG(PSTR("RF24:PD\n")); // power down
}