uint8_t BayRF24::sendPayload(void) {
if (_powerdown)
powerUp();
else
stopListening();
openWritingPipe (_pipe);
uint8_t res;
res = RF24::write(getPayload(), getPacketLength());
uint8_t curr_pa = 0;
while (!res && curr_pa < 4) {
setPALevel((rf24_pa_dbm_e) curr_pa);
delayMicroseconds(random(2000));
res = RF24::write(getPayload(), getPacketLength());
curr_pa++;
}
if (_powerdown)
powerDown();
else {
txStandBy();
startListening();
}
return !res;
}
void ShieldGSM::verifyGSMOn() {
Serial.println("Powering down...");
struct ATcommand powerDown[1] = {ATcommand("AT+CPOWD=1\r","NORMAL POWER DOWN")};
executeATCommands(powerDown,1);
Serial.println("Rebooting...");
powerUp();
Serial.println("GSM Shield is on.");
}
void Radio::stopListening(void) {
if (read_register(FEATURE) & _BV(EN_ACK_PAY)) {
_delay_us(155);
flush_tx();
}
write_register(CONFIG, (read_register(CONFIG)) & ~_BV(PRIM_RX));
// for 3 pins solution TX mode is only left with additional powerDown/powerUp cycle.
powerDown();
powerUp();
}
void nRF24L01P::setTransmitMode(void) {
if ( _NRF24L01P_MODE_POWER_DOWN == mode ) powerUp();
int config = getRegister(_NRF24L01P_REG_CONFIG);
config &= ~_NRF24L01P_CONFIG_PRIM_RX;
setRegister(_NRF24L01P_REG_CONFIG, config);
mode = _NRF24L01P_MODE_TX;
}
bool AS3935::setConfiguration(void)
{
reset();
wait_ms(5);
setTuneCap( AS3935_TUN_CAP_VALUE);
wait_ms(5);
powerUp();
wait_ms(11);
setMinimumLightnings(1);
setNoiseFloor(2);
if(getLightningDistanceKm()==-1) return false; //for tests
return true;
}
bool Radio::setup(void) {
HalfDuplexSPI::setup();
csnHigh();
// Must allow the radio time to settle else configuration bits will not necessarily stick.
// This is actually only required following power up but some settling time also appears to
// be required after resets too. For full coverage, we'll always assume the worst.
// Enabling 16b CRC is by far the most obvious case if the wrong timing is used - or skipped.
// Technically we require 4.5ms + 14us as a worst case. We'll just call it 5ms for good measure.
// WARNING: Delay is based on P-variant whereby non-P *may* require different timing.
_delay_ms(5);
// Reset CONFIG and enable 16-bit CRC.
write_register(CONFIG, 0 | _BV(EN_CRC) | _BV(CRCO));
// Set 1500uS (minimum for 32B payload in ESB@250KBPS) timeouts, to make testing a little easier
// WARNING: If this is ever lowered, either 250KBS mode with AA is broken or maximum packet
// sizes must never be used. See documentation for a more complete explanation.
setRetries(5, 15);
uint8_t setup = read_register(RF_SETUP);
// Then set the data rate to the slowest (and most reliable) speed supported by all
// hardware.
setDataRate(DataRate::RATE_1MBPS);
write_register(FEATURE, 0);
write_register(DYNPD, 0);
// Reset current status
// Notice reset and flush is the last thing we do
write_register(STATUS, _BV(RX_DR) | _BV(TX_DS) | _BV(MAX_RT));
setChannel(76);
// Flush buffers
flush_rx();
flush_tx();
//Power up by default when setup() is called.
powerUp();
// Enable PTX, do not write CE high so radio will remain in standby I mode ( 130us max to transition to RX or TX
// instead of 1500us from powerUp ) PTX should use only 22uA of power.
write_register(CONFIG, (read_register(CONFIG)) & ~_BV(PRIM_RX));
// If setup is 0 or ff then there was no response from module.
return setup != 0 && setup != 0xff;
}
void nRF24L01p::init(){
flushRX();
flushTX();
dynamicPayload(P0|P1);
feature(DPL|DYN_ACK);
writeReg(SETUP_RETR,0x2F);
writeReg(STATUS,0x70);
powerUp();
if(_prim_rx && _prim_tx){
enableRX(P1|P0);
primPRX();
ceHigh();
}else if(_prim_rx && !_prim_tx){
enableRX(P1);
primPRX();
ceHigh();
}else if(!_prim_rx && _prim_tx){
enableRX(P0);
primPTX();
}
_init=true;
}
void BlueTooth::begin()
{
PIN_MODE_INPUT(HC05_STATUS);
PIN_MODE_OUTPUT(HC05_ENABLE);
PIN_MODE_OUTPUT(HC05_KEY);
// no programming needed
PIN_LOW(HC05_KEY);
// enable the HC-05
powerUp();
bool connected = isConnected();
printf_P(PSTR("BlueTooth: "));
if(!connected)
printf_P(PSTR("no "));
printf_P(PSTR("client connected\n"));
m_lastConnectStatus = connected;
}
