BME SmartLab
TMRh20 ported to MBED
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TMRh20
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BME SmartLab
Revision 6:15a3bbf90fe9, committed 2017-10-06
- Comitter:
- gume
- Date:
- Fri Oct 06 20:20:33 2017 +0000
- Parent:
- 5:836f5c6da243
- Commit message:
- Initial release
Changed in this revision
diff -r 836f5c6da243 -r 15a3bbf90fe9 RF24.cpp
--- a/RF24.cpp Mon Mar 28 18:13:17 2016 +0000
+++ b/RF24.cpp Fri Oct 06 20:20:33 2017 +0000
@@ -12,238 +12,218 @@
/****************************************************************************/
-void RF24::csn(int mode)
+void RF24::csn(bool mode)
{
csn_pin = mode;
-// wait_us(5);
-}
-
-/****************************************************************************/
-
-void RF24::ce(int level)
-{
- ce_pin = level;
+ wait_us(csDelay);
}
/****************************************************************************/
-void RF24::beginTransaction()
+void RF24::ce(bool level)
{
- //#if defined (RF24_SPI_TRANSACTIONS)
- //_SPI.beginTransaction(SPISettings(RF24_SPI_SPEED, MSBFIRST, SPI_MODE0));
- //#endif
-
- csn(LOW);
- wait_us(5);
+ ce_pin = level;
}
+
/****************************************************************************/
-void RF24::endTransaction()
-{
+ inline void RF24::beginTransaction() {
+ csn(LOW);
+ }
-// wait_us(5);
+/****************************************************************************/
+
+ inline void RF24::endTransaction() {
csn(HIGH);
-
- //#if defined (RF24_SPI_TRANSACTIONS)
- //_SPI.endTransaction();
- //#endif
-}
+ }
/****************************************************************************/
uint8_t RF24::read_register(uint8_t reg, uint8_t* buf, uint8_t len)
{
- uint8_t status;
-
- beginTransaction(); //configures the spi settings for RPi, locks mutex and setting csn low
+ uint8_t status;
- status = spi.write( R_REGISTER | ( REGISTER_MASK & reg ) );
- while ( len-- )
- *buf++ = spi.write(0x55); // 0xff
+ beginTransaction();
+ status = spi->write( R_REGISTER | ( REGISTER_MASK & reg ) );
+ while ( len-- ){
+ *buf++ = spi->write(0xff);
+ }
+ endTransaction();
- endTransaction(); //unlocks mutex and setting csn high
-
- return status;
+ return status;
}
/****************************************************************************/
uint8_t RF24::read_register(uint8_t reg)
{
- uint8_t result;
-
- beginTransaction();
+ uint8_t result;
+
+ beginTransaction();
+ spi->write( R_REGISTER | ( REGISTER_MASK & reg ) );
+ result = spi->write(0xff);
+ endTransaction();
- spi.write( R_REGISTER | ( REGISTER_MASK & reg ) );
- result = spi.write(0x55); // 0xff
-
- endTransaction();
-
- //printf_P(PSTR("read_register(%02x,%02x)\r\n"),reg,result);
-
- return result;
+ return result;
}
/****************************************************************************/
uint8_t RF24::write_register(uint8_t reg, const uint8_t* buf, uint8_t len)
{
- uint8_t status;
-
- //printf_P(PSTR("write_register_more(%02x,%d)\r\n"), reg, len);
-
- beginTransaction();
+ uint8_t status;
- status = spi.write( W_REGISTER | ( REGISTER_MASK & reg ) );
- while ( len-- )
- spi.write(*buf++);
+ beginTransaction();
+ status = spi->write( W_REGISTER | ( REGISTER_MASK & reg ) );
+ while ( len-- )
+ spi->write(*buf++);
+ endTransaction();
- endTransaction();
-
- return status;
+ return status;
}
/****************************************************************************/
uint8_t RF24::write_register(uint8_t reg, uint8_t value)
{
- uint8_t status;
+ uint8_t status;
- //printf_P(PSTR("write_register(%02x,%02x)\r\n"),reg,value);
-
- beginTransaction();
+ IF_SERIAL_DEBUG(printf_P(PSTR("write_register(%02x,%02x)\r\n"),reg,value));
- status = spi.write( W_REGISTER | ( REGISTER_MASK & reg ) );
- spi.write(value);
+ beginTransaction();
+ status = spi->write( W_REGISTER | ( REGISTER_MASK & reg ) );
+ spi->write(value);
+ endTransaction();
- endTransaction();
-
- return status;
+ return status;
}
/****************************************************************************/
uint8_t RF24::write_payload(const void* buf, uint8_t data_len, const uint8_t writeType)
{
- uint8_t status;
- const uint8_t* current = reinterpret_cast<const uint8_t*>(buf);
-
- data_len = rf24_min(data_len, payload_size);
- uint8_t blank_len = dynamic_payloads_enabled ? 0 : payload_size - data_len;
-
- //printf_P("[Writing %u bytes %u blanks]\n",data_len,blank_len);
-
- beginTransaction();
+ uint8_t status;
+ const uint8_t* current = reinterpret_cast<const uint8_t*>(buf);
- status = spi.write( W_TX_PAYLOAD );
- while ( data_len-- )
- spi.write(*current++);
- while ( blank_len-- )
- spi.write(0);
+ data_len = rf24_min(data_len, payload_size);
+ uint8_t blank_len = dynamic_payloads_enabled ? 0 : payload_size - data_len;
+
+ //printf("[Writing %u bytes %u blanks]",data_len,blank_len);
+ IF_SERIAL_DEBUG( printf("[Writing %u bytes %u blanks]\n",data_len,blank_len); );
+
+ beginTransaction();
+ status = spi->write( writeType );
+ while ( data_len-- ) {
+ spi->write(*current++);
+ }
+ while ( blank_len-- ) {
+ spi->write(0);
+ }
+ endTransaction();
- endTransaction();
-
- return status;
+ return status;
}
/****************************************************************************/
uint8_t RF24::read_payload(void* buf, uint8_t data_len)
{
- uint8_t status;
- uint8_t* current = reinterpret_cast<uint8_t*>(buf);
+ uint8_t status;
+ uint8_t* current = reinterpret_cast<uint8_t*>(buf);
- if(data_len > payload_size) data_len = payload_size;
- uint8_t blank_len = dynamic_payloads_enabled ? 0 : payload_size - data_len;
-
- //printf_P("[Reading %u bytes %u blanks]\n",data_len,blank_len);
-
- beginTransaction();
+ if(data_len > payload_size) data_len = payload_size;
+ uint8_t blank_len = dynamic_payloads_enabled ? 0 : payload_size - data_len;
+
+ //printf("[Reading %u bytes %u blanks]",data_len,blank_len);
- status = spi.write( R_RX_PAYLOAD );
- while ( data_len-- )
- *current++ = spi.write(0xff);
- while ( blank_len-- )
- spi.write(0xff);
+ IF_SERIAL_DEBUG( printf("[Reading %u bytes %u blanks]\n",data_len,blank_len); );
+
+ beginTransaction();
+ status = spi->write( R_RX_PAYLOAD );
+ while ( data_len-- ) {
+ *current++ = spi->write(0xFF);
+ }
+ while ( blank_len-- ) {
+ spi->write(0xff);
+ }
+ endTransaction();
- endTransaction();
-
- return status;
+ return status;
}
/****************************************************************************/
uint8_t RF24::flush_rx(void)
{
- return spiTrans( FLUSH_RX );
+ return spiTrans( FLUSH_RX );
}
/****************************************************************************/
uint8_t RF24::flush_tx(void)
{
- return spiTrans( FLUSH_TX );
+ return spiTrans( FLUSH_TX );
}
/****************************************************************************/
-uint8_t RF24::spiTrans(uint8_t cmd)
-{
-
- uint8_t status;
+uint8_t RF24::spiTrans(uint8_t cmd){
- //printf_P(PSTR("spiTrans(%02x)\r\n"), cmd);
-
- beginTransaction();
- status = spi.write(cmd);
- endTransaction();
-
- return status;
+ uint8_t status;
+
+ beginTransaction();
+ status = spi->write( cmd );
+ endTransaction();
+
+ return status;
}
/****************************************************************************/
uint8_t RF24::get_status(void)
{
- return spiTrans(NOP);
+ return spiTrans(NOP);
}
/****************************************************************************/
#if !defined (MINIMAL)
void RF24::print_status(uint8_t status)
{
- printf_P(PSTR("STATUS\t\t = 0x%02x RX_DR=%x TX_DS=%x MAX_RT=%x RX_P_NO=%x TX_FULL=%x\r\n"),
- status,
- (status & _BV(RX_DR))?1:0,
- (status & _BV(TX_DS))?1:0,
- (status & _BV(MAX_RT))?1:0,
- ((status >> RX_P_NO) & 0b111),
- (status & _BV(TX_FULL))?1:0
- );
+ printf_P(PSTR("STATUS\t\t = 0x%02x RX_DR=%x TX_DS=%x MAX_RT=%x RX_P_NO=%x TX_FULL=%x\r\n"),
+ status,
+ (status & _BV(RX_DR))?1:0,
+ (status & _BV(TX_DS))?1:0,
+ (status & _BV(MAX_RT))?1:0,
+ ((status >> RX_P_NO) & 0x07),
+ (status & _BV(TX_FULL))?1:0
+ );
}
/****************************************************************************/
void RF24::print_observe_tx(uint8_t value)
{
- printf_P(PSTR("OBSERVE_TX=%02x: POLS_CNT=%x ARC_CNT=%x\r\n"),
- value,
- (value >> PLOS_CNT) & 0b1111,
- (value >> ARC_CNT) & 0b1111
- );
+ printf_P(PSTR("OBSERVE_TX=%02x: POLS_CNT=%x ARC_CNT=%x\r\n"),
+ value,
+ (value >> PLOS_CNT) & 0x0F,
+ (value >> ARC_CNT) & 0x0F
+ );
}
/****************************************************************************/
void RF24::print_byte_register(const char* name, uint8_t reg, uint8_t qty)
{
- //char extra_tab = strlen_P(name) < 8 ? '\t' : 0;
+ //char extra_tab = strlen_P(name) < 8 ? '\t' : 0;
+ //printf_P(PSTR(PRIPSTR"\t%c ="),name,extra_tab);
+ #if defined (RF24_LINUX)
printf("%s\t =", name);
-
- while (qty--)
- printf_P(PSTR(" 0x%02x"),read_register(reg++));
-
- printf_P(PSTR("\r\n"));
+ #else
+ printf_P(PSTR(PRIPSTR"\t ="),name);
+ #endif
+ while (qty--)
+ printf_P(PSTR(" 0x%02x"),read_register(reg++));
+ printf_P(PSTR("\r\n"));
}
/****************************************************************************/
@@ -251,64 +231,59 @@
void RF24::print_address_register(const char* name, uint8_t reg, uint8_t qty)
{
- printf("%s\t =",name);
+ printf_P(PSTR(PRIPSTR"\t ="),name);
- while (qty--) {
- uint8_t buffer[addr_width];
- read_register(reg++,buffer,sizeof buffer);
+ while (qty--)
+ {
+ uint8_t buffer[addr_width];
+ read_register(reg++,buffer,sizeof buffer);
- printf_P(PSTR(" 0x"));
- uint8_t* bufptr = buffer + sizeof buffer;
- while( --bufptr >= buffer )
- printf_P(PSTR("%02x"),*bufptr);
- }
+ printf_P(PSTR(" 0x"));
+ uint8_t* bufptr = buffer + sizeof buffer;
+ while( --bufptr >= buffer )
+ printf_P(PSTR("%02x"),*bufptr);
+ }
- printf_P(PSTR("\r\n"));
+ printf_P(PSTR("\r\n"));
}
-#endif // MINIMAL
+
+#endif
/****************************************************************************/
-RF24::RF24(PinName mosi, PinName miso, PinName sck, PinName _cspin, PinName _cepin):
- ce_pin(_cepin), csn_pin(_cspin), p_variant(false),
- payload_size(32), dynamic_payloads_enabled(false), addr_width(5), //,pipe0_reading_address(0)
- spi(mosi, miso, sck)
+RF24::RF24(SPI *spi, PinName _cepin, PinName _cspin):
+ ce_pin(_cepin),csn_pin(_cspin),p_variant(false),
+ payload_size(32), dynamic_payloads_enabled(false),addr_width(5),csDelay(5)//,pipe0_reading_address(0)
{
- //_SPI.begin(csn_pin);
- spi.frequency(RF24_SPI_SPEED);
- spi.format(8,0);
-
- pipe0_reading_address[0]=0;
-
- mainTimer.start();
-
+ this->spi = spi;
+ pipe0_reading_address[0]=0;
}
/****************************************************************************/
void RF24::setChannel(uint8_t channel)
{
- const uint8_t max_channel = 125;
- write_register(RF_CH, rf24_min(channel,max_channel));
+ const uint8_t max_channel = 125;
+ write_register(RF_CH,rf24_min(channel,max_channel));
}
uint8_t RF24::getChannel()
{
-
- return read_register(RF_CH);
+
+ return read_register(RF_CH);
}
/****************************************************************************/
void RF24::setPayloadSize(uint8_t size)
{
- payload_size = rf24_min(size,32);
+ payload_size = rf24_min(size,32);
}
/****************************************************************************/
uint8_t RF24::getPayloadSize(void)
{
- return payload_size;
+ return payload_size;
}
/****************************************************************************/
@@ -319,185 +294,115 @@
static const char rf24_datarate_e_str_1[] PROGMEM = "2MBPS";
static const char rf24_datarate_e_str_2[] PROGMEM = "250KBPS";
static const char * const rf24_datarate_e_str_P[] PROGMEM = {
- rf24_datarate_e_str_0,
- rf24_datarate_e_str_1,
- rf24_datarate_e_str_2,
+ rf24_datarate_e_str_0,
+ rf24_datarate_e_str_1,
+ rf24_datarate_e_str_2,
};
static const char rf24_model_e_str_0[] PROGMEM = "nRF24L01";
static const char rf24_model_e_str_1[] PROGMEM = "nRF24L01+";
static const char * const rf24_model_e_str_P[] PROGMEM = {
- rf24_model_e_str_0,
- rf24_model_e_str_1,
+ rf24_model_e_str_0,
+ rf24_model_e_str_1,
};
static const char rf24_crclength_e_str_0[] PROGMEM = "Disabled";
static const char rf24_crclength_e_str_1[] PROGMEM = "8 bits";
static const char rf24_crclength_e_str_2[] PROGMEM = "16 bits" ;
static const char * const rf24_crclength_e_str_P[] PROGMEM = {
- rf24_crclength_e_str_0,
- rf24_crclength_e_str_1,
- rf24_crclength_e_str_2,
+ rf24_crclength_e_str_0,
+ rf24_crclength_e_str_1,
+ rf24_crclength_e_str_2,
};
static const char rf24_pa_dbm_e_str_0[] PROGMEM = "PA_MIN";
static const char rf24_pa_dbm_e_str_1[] PROGMEM = "PA_LOW";
static const char rf24_pa_dbm_e_str_2[] PROGMEM = "PA_HIGH";
static const char rf24_pa_dbm_e_str_3[] PROGMEM = "PA_MAX";
static const char * const rf24_pa_dbm_e_str_P[] PROGMEM = {
- rf24_pa_dbm_e_str_0,
- rf24_pa_dbm_e_str_1,
- rf24_pa_dbm_e_str_2,
- rf24_pa_dbm_e_str_3,
+ rf24_pa_dbm_e_str_0,
+ rf24_pa_dbm_e_str_1,
+ rf24_pa_dbm_e_str_2,
+ rf24_pa_dbm_e_str_3,
};
void RF24::printDetails(void)
{
- print_status(get_status());
+ print_status(get_status());
- print_address_register(PSTR("RX_ADDR_P0-1"),RX_ADDR_P0,2);
- print_byte_register(PSTR("RX_ADDR_P2-5"),RX_ADDR_P2,4);
- print_address_register(PSTR("TX_ADDR\t"),TX_ADDR);
+ print_address_register(PSTR("RX_ADDR_P0-1"),RX_ADDR_P0,2);
+ print_byte_register(PSTR("RX_ADDR_P2-5"),RX_ADDR_P2,4);
+ print_address_register(PSTR("TX_ADDR\t"),TX_ADDR);
- print_byte_register(PSTR("RX_PW_P0-6"),RX_PW_P0,6);
- print_byte_register(PSTR("EN_AA\t"),EN_AA);
- print_byte_register(PSTR("EN_RXADDR"),EN_RXADDR);
- print_byte_register(PSTR("RF_CH\t"),RF_CH);
- print_byte_register(PSTR("RF_SETUP"),RF_SETUP);
- print_byte_register(PSTR("CONFIG\t"),CONFIG);
- print_byte_register(PSTR("DYNPD/FEATURE"),DYNPD,2);
+ print_byte_register(PSTR("RX_PW_P0-6"),RX_PW_P0,6);
+ print_byte_register(PSTR("EN_AA\t"),EN_AA);
+ print_byte_register(PSTR("EN_RXADDR"),EN_RXADDR);
+ print_byte_register(PSTR("RF_CH\t"),RF_CH);
+ print_byte_register(PSTR("RF_SETUP"),RF_SETUP);
+ print_byte_register(PSTR("CONFIG\t"),NRF_CONFIG);
+ print_byte_register(PSTR("DYNPD/FEATURE"),DYNPD,2);
- printf_P(PSTR("Data Rate\t = " PRIPSTR "\r\n"),pgm_read_word(&rf24_datarate_e_str_P[getDataRate()]));
- printf_P(PSTR("Model\t\t = " PRIPSTR "\r\n"),pgm_read_word(&rf24_model_e_str_P[isPVariant()]));
- printf_P(PSTR("CRC Length\t = " PRIPSTR "\r\n"),pgm_read_word(&rf24_crclength_e_str_P[getCRCLength()]));
- printf_P(PSTR("PA Power\t = " PRIPSTR "\r\n"), pgm_read_word(&rf24_pa_dbm_e_str_P[getPALevel()]));
+ printf_P(PSTR("Data Rate\t = " PRIPSTR "\r\n"),pgm_read_word(&rf24_datarate_e_str_P[getDataRate()]));
+ printf_P(PSTR("Model\t\t = " PRIPSTR "\r\n"),pgm_read_word(&rf24_model_e_str_P[isPVariant()]));
+ printf_P(PSTR("CRC Length\t = " PRIPSTR "\r\n"),pgm_read_word(&rf24_crclength_e_str_P[getCRCLength()]));
+ printf_P(PSTR("PA Power\t = " PRIPSTR "\r\n"), pgm_read_word(&rf24_pa_dbm_e_str_P[getPALevel()]));
}
#endif
+
/****************************************************************************/
bool RF24::begin(void)
{
- //printf("RF24::begin\n");
- uint8_t setup=0;
-
- ce(LOW);
- csn(HIGH); // extra
-
- //wait_ms(100);
-
- // 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.
- wait_ms( 5 ) ;
-
- // Reset CONFIG and enable 16-bit CRC.
- write_register( CONFIG, 0b00001100 ) ;
-
- // 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);
-
- // Reset value is MAX
- //setPALevel( RF24_PA_MAX ) ;
-
- // check for connected module and if this is a p nRF24l01 variant
- //
- if( setDataRate( RF24_250KBPS ) ) {
- p_variant = true ;
- }
- setup = read_register(RF_SETUP);
- /*if( setup == 0b00001110 ) // register default for nRF24L01P
- {
- p_variant = true ;
- }*/
-
- // Then set the data rate to the slowest (and most reliable) speed supported by all
- // hardware.
- setDataRate( RF24_1MBPS ) ;
-
- // Initialize CRC and request 2-byte (16bit) CRC
- //setCRCLength( RF24_CRC_16 ) ;
-
- // Disable dynamic payloads, to match dynamic_payloads_enabled setting - Reset value is 0
- toggle_features();
- write_register(FEATURE,0 );
- write_register(DYNPD,0);
-
- // Reset current status
- // Notice reset and flush is the last thing we do
- write_register(NRF_STATUS,_BV(RX_DR) | _BV(TX_DS) | _BV(MAX_RT) );
-
- // Set up default configuration. Callers can always change it later.
- // This channel should be universally safe and not bleed over into adjacent
- // spectrum.
- setChannel(76);
-
- // Flush buffers
- flush_rx();
- flush_tx();
-
- powerUp(); //Power up by default when begin() is called
-
- // 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 RF24::begin_MB(void)
-{
- // Initialize pins
-// pinMode(ce_pin,OUTPUT);
-// pinMode(csn_pin,OUTPUT);
-
- // Initialize spi bus
- //spi.begin();
- mainTimer.start();
+ uint8_t setup=0;
ce(LOW);
csn(HIGH);
+ //wait_ms(100);
// 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: wait_ms is based on P-variant whereby non-P *may* require different timing.
+ // WARNING: Delay is based on P-variant whereby non-P *may* require different timing.
wait_ms( 5 ) ;
+ // Reset NRF_CONFIG and enable 16-bit CRC.
+ write_register( NRF_CONFIG, 0x0C ) ;
+
// 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.
- write_register(SETUP_RETR,(4 << ARD) | (15 << ARC));
-
- // Restore our default PA level
- setPALevel( RF24_PA_MAX ) ;
+ setRetries(5,15);
- // Determine if this is a p or non-p RF24 module and then
- // reset our data rate back to default value. This works
- // because a non-P variant won't allow the data rate to
- // be set to 250Kbps.
+ // Reset value is MAX
+ //setPALevel( RF24_PA_MAX ) ;
+
+ // check for connected module and if this is a p nRF24l01 variant
+ //
if( setDataRate( RF24_250KBPS ) )
{
p_variant = true ;
}
+ setup = read_register(RF_SETUP);
+ /*if( setup == 0b00001110 ) // register default for nRF24L01P
+ {
+ p_variant = true ;
+ }*/
// Then set the data rate to the slowest (and most reliable) speed supported by all
// hardware.
setDataRate( RF24_1MBPS ) ;
// Initialize CRC and request 2-byte (16bit) CRC
- setCRCLength( RF24_CRC_16 ) ;
-
- // Disable dynamic payloads, to match dynamic_payloads_enabled setting
+ //setCRCLength( RF24_CRC_16 ) ;
+
+ // Disable dynamic payloads, to match dynamic_payloads_enabled setting - Reset value is 0
+ toggle_features();
+ write_register(FEATURE,0 );
write_register(DYNPD,0);
+ dynamic_payloads_enabled = false;
// Reset current status
// Notice reset and flush is the last thing we do
@@ -511,60 +416,79 @@
// Flush buffers
flush_rx();
flush_tx();
-
- // set EN_RXADDRR to 0 to fix pipe 0 from receiving
- write_register(EN_RXADDR, 0);
+
+ powerUp(); //Power up by default when begin() is called
+
+ // 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(NRF_CONFIG, ( read_register(NRF_CONFIG) ) & ~_BV(PRIM_RX) );
+
+ // if setup is 0 or ff then there was no response from module
+ return ( setup != 0 && setup != 0xff );
}
+/****************************************************************************/
+bool RF24::isChipConnected()
+{
+ uint8_t setup = read_register(SETUP_AW);
+ if(setup >= 1 && setup <= 3)
+ {
+ return true;
+ }
+
+ return false;
+}
/****************************************************************************/
void RF24::startListening(void)
{
-
- powerUp();
+ #if !defined (RF24_TINY) && ! defined(LITTLEWIRE)
+ powerUp();
+ #endif
+ write_register(NRF_CONFIG, read_register(NRF_CONFIG) | _BV(PRIM_RX));
+ write_register(NRF_STATUS, _BV(RX_DR) | _BV(TX_DS) | _BV(MAX_RT) );
+ ce(HIGH);
+ // Restore the pipe0 adddress, if exists
+ if (pipe0_reading_address[0] > 0){
+ write_register(RX_ADDR_P0, pipe0_reading_address, addr_width);
+ }else{
+ closeReadingPipe(0);
+ }
- write_register(CONFIG, read_register(CONFIG) | _BV(PRIM_RX));
- write_register(NRF_STATUS, _BV(RX_DR) | _BV(TX_DS) | _BV(MAX_RT) );
- ce(HIGH);
- // Restore the pipe0 adddress, if exists
- if (pipe0_reading_address[0] > 0) {
- write_register(RX_ADDR_P0, pipe0_reading_address, addr_width);
- } else {
- closeReadingPipe(0);
- }
+ // Flush buffers
+ //flush_rx();
+ if(read_register(FEATURE) & _BV(EN_ACK_PAY)){
+ flush_tx();
+ }
- // Flush buffers
- //flush_rx();
- if(read_register(FEATURE) & _BV(EN_ACK_PAY)) {
- flush_tx();
- }
-
- // Go!
- //delayMicroseconds(100);
+ // Go!
+ //delayMicroseconds(100);
}
/****************************************************************************/
-static const uint8_t child_pipe_enable[] PROGMEM = {
- ERX_P0, ERX_P1, ERX_P2, ERX_P3, ERX_P4, ERX_P5
+static const uint8_t child_pipe_enable[] PROGMEM =
+{
+ ERX_P0, ERX_P1, ERX_P2, ERX_P3, ERX_P4, ERX_P5
};
void RF24::stopListening(void)
-{
- ce(LOW);
-
- wait_us(txRxDelay);
+{
+ ce(LOW);
- if(read_register(FEATURE) & _BV(EN_ACK_PAY)) {
- wait_us(txRxDelay); //200
- flush_tx();
- }
- //flush_rx();
- write_register(CONFIG, ( read_register(CONFIG) ) & ~_BV(PRIM_RX) );
- write_register(EN_RXADDR,read_register(EN_RXADDR) | _BV(pgm_read_byte(&child_pipe_enable[0]))); // Enable RX on pipe0
-
- //delayMicroseconds(100);
+ wait_us(txDelay);
+
+ if(read_register(FEATURE) & _BV(EN_ACK_PAY)){
+ wait_us(txDelay); //200
+ flush_tx();
+ }
+ //flush_rx();
+ write_register(NRF_CONFIG, ( read_register(NRF_CONFIG) ) & ~_BV(PRIM_RX) );
+
+ write_register(EN_RXADDR,read_register(EN_RXADDR) | _BV(pgm_read_byte(&child_pipe_enable[0]))); // Enable RX on pipe0
+
+ //delayMicroseconds(100);
}
@@ -572,8 +496,8 @@
void RF24::powerDown(void)
{
- ce(LOW); // Guarantee CE is low on powerDown
- write_register(CONFIG,read_register(CONFIG) & ~_BV(PWR_UP));
+ ce(LOW); // Guarantee CE is low on powerDown
+ write_register(NRF_CONFIG,read_register(NRF_CONFIG) & ~_BV(PWR_UP));
}
/****************************************************************************/
@@ -581,29 +505,30 @@
//Power up now. Radio will not power down unless instructed by MCU for config changes etc.
void RF24::powerUp(void)
{
- uint8_t cfg = read_register(CONFIG);
+ uint8_t cfg = read_register(NRF_CONFIG);
- // if not powered up then power up and wait for the radio to initialize
- if (!(cfg & _BV(PWR_UP))) {
- write_register(CONFIG,read_register(CONFIG) | _BV(PWR_UP));
+ // if not powered up then power up and wait for the radio to initialize
+ if (!(cfg & _BV(PWR_UP))){
+ write_register(NRF_CONFIG, cfg | _BV(PWR_UP));
- // For nRF24L01+ to go from power down mode to TX or RX mode it must first pass through stand-by mode.
- // There must be a delay of Tpd2stby (see Table 16.) after the nRF24L01+ leaves power down mode before
- // the CEis set high. - Tpd2stby can be up to 5ms per the 1.0 datasheet
- wait_ms(5);
- }
+ // For nRF24L01+ to go from power down mode to TX or RX mode it must first pass through stand-by mode.
+ // There must be a delay of Tpd2stby (see Table 16.) after the nRF24L01+ leaves power down mode before
+ // the CEis set high. - Tpd2stby can be up to 5ms per the 1.0 datasheet
+ wait_ms(5);
+ }
}
/******************************************************************/
-#if defined (FAILURE_HANDLING)
-void RF24::errNotify()
-{
- printf_P(PSTR("RF24 HARDWARE FAIL: Radio not responding, verify pin connections, wiring, etc.\r\n"));
-#if defined (FAILURE_HANDLING)
+#if defined (FAILURE_HANDLING) || defined (RF24_LINUX)
+void RF24::errNotify(){
+ #if defined (SERIAL_DEBUG) || defined (RF24_LINUX)
+ printf_P(PSTR("RF24 HARDWARE FAIL: Radio not responding, verify pin connections, wiring, etc.\r\n"));
+ #endif
+ #if defined (FAILURE_HANDLING)
failureDetected = 1;
-#else
+ #else
delay(5000);
-#endif
+ #endif
}
#endif
/******************************************************************/
@@ -615,38 +540,37 @@
startFastWrite(buf,len,multicast);
//Wait until complete or failed
-#if defined (FAILURE_HANDLING)
- uint32_t timer = millis();
-#endif
-
- while( ! ( get_status() & ( _BV(TX_DS) | _BV(MAX_RT) ))) {
-#if defined (FAILURE_HANDLING)
- if(millis() - timer > 85) {
- errNotify();
-#if defined (FAILURE_HANDLING)
- return 0;
-#else
- delay(100);
-#endif
- }
-#endif
+ #if defined (FAILURE_HANDLING) || defined (RF24_LINUX)
+ uint32_t timer = millis();
+ #endif
+
+ while( ! ( get_status() & ( _BV(TX_DS) | _BV(MAX_RT) ))) {
+ #if defined (FAILURE_HANDLING) || defined (RF24_LINUX)
+ if(millis() - timer > 95){
+ errNotify();
+ #if defined (FAILURE_HANDLING)
+ return 0;
+ #else
+ delay(100);
+ #endif
+ }
+ #endif
}
-
+
ce(LOW);
uint8_t status = write_register(NRF_STATUS,_BV(RX_DR) | _BV(TX_DS) | _BV(MAX_RT) );
- //Max retries exceeded
- if( status & _BV(MAX_RT)) {
- flush_tx(); //Only going to be 1 packet int the FIFO at a time using this method, so just flush
- return 0;
- }
+ //Max retries exceeded
+ if( status & _BV(MAX_RT)){
+ flush_tx(); //Only going to be 1 packet int the FIFO at a time using this method, so just flush
+ return 0;
+ }
//TX OK 1 or 0
- return 1;
+ return 1;
}
-bool RF24::write( const void* buf, uint8_t len )
-{
+bool RF24::write( const void* buf, uint8_t len ){
return write(buf,len,0);
}
/****************************************************************************/
@@ -659,24 +583,22 @@
//This way the FIFO will fill up and allow blocking until packets go through
//The radio will auto-clear everything in the FIFO as long as CE remains high
- uint32_t timer = mainTimer.read_ms(); //Get the time that the payload transmission started
+ uint32_t timer = millis(); //Get the time that the payload transmission started
while( ( get_status() & ( _BV(TX_FULL) ))) { //Blocking only if FIFO is full. This will loop and block until TX is successful or timeout
- if( get_status() & _BV(MAX_RT)) { //If MAX Retries have been reached
+ if( get_status() & _BV(MAX_RT)){ //If MAX Retries have been reached
reUseTX(); //Set re-transmit and clear the MAX_RT interrupt flag
- if(mainTimer.read_ms() - timer > timeout) {
- return 0; //If this payload has exceeded the user-defined timeout, exit and return 0
- }
+ if(millis() - timer > timeout){ return 0; } //If this payload has exceeded the user-defined timeout, exit and return 0
}
-#if defined (FAILURE_HANDLING)
- if(mainTimer.read_ms() - timer > (timeout+85) ) {
- errNotify();
-#if defined (FAILURE_HANDLING)
- return 0;
-#endif
- }
-#endif
+ #if defined (FAILURE_HANDLING) || defined (RF24_LINUX)
+ if(millis() - timer > (timeout+95) ){
+ errNotify();
+ #if defined (FAILURE_HANDLING)
+ return 0;
+ #endif
+ }
+ #endif
}
@@ -688,8 +610,7 @@
/****************************************************************************/
-void RF24::reUseTX()
-{
+void RF24::reUseTX(){
write_register(NRF_STATUS,_BV(MAX_RT) ); //Clear max retry flag
spiTrans( REUSE_TX_PL );
ce(LOW); //Re-Transfer packet
@@ -705,35 +626,34 @@
//Return 0 so the user can control the retrys and set a timer or failure counter if required
//The radio will auto-clear everything in the FIFO as long as CE remains high
-#if defined (FAILURE_HANDLING)
- uint32_t timer = millis();
-#endif
-
+ #if defined (FAILURE_HANDLING) || defined (RF24_LINUX)
+ uint32_t timer = millis();
+ #endif
+
while( ( get_status() & ( _BV(TX_FULL) ))) { //Blocking only if FIFO is full. This will loop and block until TX is successful or fail
- if( get_status() & _BV(MAX_RT)) {
+ if( get_status() & _BV(MAX_RT)){
//reUseTX(); //Set re-transmit
write_register(NRF_STATUS,_BV(MAX_RT) ); //Clear max retry flag
return 0; //Return 0. The previous payload has been retransmitted
- //From the user perspective, if you get a 0, just keep trying to send the same payload
+ //From the user perspective, if you get a 0, just keep trying to send the same payload
}
-#if defined (FAILURE_HANDLING)
- if(millis() - timer > 85 ) {
- errNotify();
-#if defined (FAILURE_HANDLING)
- return 0;
-#endif
- }
-#endif
+ #if defined (FAILURE_HANDLING) || defined (RF24_LINUX)
+ if(millis() - timer > 95 ){
+ errNotify();
+ #if defined (FAILURE_HANDLING)
+ return 0;
+ #endif
+ }
+ #endif
}
- //Start Writing
+ //Start Writing
startFastWrite(buf,len,multicast);
return 1;
}
-bool RF24::writeFast( const void* buf, uint8_t len )
-{
+bool RF24::writeFast( const void* buf, uint8_t len ){
return writeFast(buf,len,0);
}
@@ -744,12 +664,11 @@
//Otherwise we enter Standby-II mode, which is still faster than standby mode
//Also, we remove the need to keep writing the config register over and over and delaying for 150 us each time if sending a stream of data
-void RF24::startFastWrite( const void* buf, uint8_t len, const bool multicast, bool startTx) //TMRh20
-{
+void RF24::startFastWrite( const void* buf, uint8_t len, const bool multicast, bool startTx){ //TMRh20
//write_payload( buf,len);
write_payload( buf, len,multicast ? W_TX_PAYLOAD_NO_ACK : W_TX_PAYLOAD ) ;
- if(startTx) {
+ if(startTx){
ce(HIGH);
}
@@ -759,50 +678,48 @@
//Added the original startWrite back in so users can still use interrupts, ack payloads, etc
//Allows the library to pass all tests
-void RF24::startWrite( const void* buf, uint8_t len, const bool multicast )
-{
+void RF24::startWrite( const void* buf, uint8_t len, const bool multicast ){
- // Send the payload
+ // Send the payload
- //write_payload( buf, len );
- write_payload( buf, len,multicast? W_TX_PAYLOAD_NO_ACK : W_TX_PAYLOAD ) ;
- ce(HIGH);
- // Maybe wait for 10 us
- // delayMicroseconds(10);
- ce(LOW);
+ //write_payload( buf, len );
+ write_payload( buf, len,multicast? W_TX_PAYLOAD_NO_ACK : W_TX_PAYLOAD ) ;
+ ce(HIGH);
+ #if defined(CORE_TEENSY) || !defined(ARDUINO) || defined (RF24_SPIDEV) || defined (RF24_DUE)
+ delayMicroseconds(10);
+ #endif
+ ce(LOW);
}
/****************************************************************************/
-bool RF24::rxFifoFull()
-{
+bool RF24::rxFifoFull(){
return read_register(FIFO_STATUS) & _BV(RX_FULL);
}
/****************************************************************************/
-bool RF24::txStandBy()
-{
+bool RF24::txStandBy(){
-#if defined (FAILURE_HANDLING)
- uint32_t timeout = millis();
-#endif
- while( ! (read_register(FIFO_STATUS) & _BV(TX_EMPTY)) ) {
- if( get_status() & _BV(MAX_RT)) {
+ #if defined (FAILURE_HANDLING) || defined (RF24_LINUX)
+ uint32_t timeout = millis();
+ #endif
+ while( ! (read_register(FIFO_STATUS) & _BV(TX_EMPTY)) ){
+ if( get_status() & _BV(MAX_RT)){
write_register(NRF_STATUS,_BV(MAX_RT) );
ce(LOW);
flush_tx(); //Non blocking, flush the data
return 0;
}
-#if defined (FAILURE_HANDLING)
- if( millis() - timeout > 85) {
- errNotify();
-#if defined (FAILURE_HANDLING)
- return 0;
-#endif
- }
-#endif
+ #if defined (FAILURE_HANDLING) || defined (RF24_LINUX)
+ if( millis() - timeout > 95){
+ errNotify();
+ #if defined (FAILURE_HANDLING)
+ return 0;
+ #endif
+ }
+ #endif
}
ce(LOW); //Set STANDBY-I mode
@@ -811,36 +728,34 @@
/****************************************************************************/
-bool RF24::txStandBy(uint32_t timeout, bool startTx)
-{
+bool RF24::txStandBy(uint32_t timeout, bool startTx){
- if(startTx) {
- stopListening();
- ce(HIGH);
+ if(startTx){
+ stopListening();
+ ce(HIGH);
}
- uint32_t start = mainTimer.read_ms();
+ uint32_t start = millis();
- while( ! (read_register(FIFO_STATUS) & _BV(TX_EMPTY)) ) {
- if( get_status() & _BV(MAX_RT)) {
+ while( ! (read_register(FIFO_STATUS) & _BV(TX_EMPTY)) ){
+ if( get_status() & _BV(MAX_RT)){
write_register(NRF_STATUS,_BV(MAX_RT) );
- ce(LOW); //Set re-transmit
- ce(HIGH);
- if(mainTimer.read_ms() - start >= timeout) {
- ce(LOW);
- flush_tx();
- return 0;
- }
+ ce(LOW); //Set re-transmit
+ ce(HIGH);
+ if(millis() - start >= timeout){
+ ce(LOW); flush_tx(); return 0;
+ }
}
-#if defined (FAILURE_HANDLING)
- if( mainTimer.read_ms() - start > (timeout+85)) {
- errNotify();
-#if defined (FAILURE_HANDLING)
- return 0;
-#endif
- }
-#endif
+ #if defined (FAILURE_HANDLING) || defined (RF24_LINUX)
+ if( millis() - start > (timeout+95)){
+ errNotify();
+ #if defined (FAILURE_HANDLING)
+ return 0;
+ #endif
+ }
+ #endif
}
+
ce(LOW); //Set STANDBY-I mode
return 1;
@@ -848,70 +763,67 @@
/****************************************************************************/
-void RF24::maskIRQ(bool tx, bool fail, bool rx)
-{
+void RF24::maskIRQ(bool tx, bool fail, bool rx){
- uint8_t config = read_register(CONFIG);
+ uint8_t config = read_register(NRF_CONFIG);
/* clear the interrupt flags */
config &= ~(1 << MASK_MAX_RT | 1 << MASK_TX_DS | 1 << MASK_RX_DR);
/* set the specified interrupt flags */
config |= fail << MASK_MAX_RT | tx << MASK_TX_DS | rx << MASK_RX_DR;
- write_register(CONFIG, config);
+ write_register(NRF_CONFIG, config);
}
/****************************************************************************/
uint8_t RF24::getDynamicPayloadSize(void)
{
- uint8_t result = 0;
-
- beginTransaction();
+ uint8_t result = 0;
- spi.write( R_RX_PL_WID );
- result = spi.write(0xff);
+ beginTransaction();
+ spi->write( R_RX_PL_WID );
+ result = spi->write(0xff);
+ endTransaction();
- endTransaction();
-
- return result;
+ if(result > 32) { flush_rx(); delay(2); return 0; }
+ return result;
}
/****************************************************************************/
bool RF24::available(void)
{
- return available(NULL);
+ return available(NULL);
}
/****************************************************************************/
bool RF24::available(uint8_t* pipe_num)
{
- if (!( read_register(FIFO_STATUS) & _BV(RX_EMPTY) )) {
+ if (!( read_register(FIFO_STATUS) & _BV(RX_EMPTY) )){
- // If the caller wants the pipe number, include that
- if ( pipe_num ) {
- uint8_t status = get_status();
- *pipe_num = ( status >> RX_P_NO ) & 0b111;
- }
- return 1;
+ // If the caller wants the pipe number, include that
+ if ( pipe_num ){
+ uint8_t status = get_status();
+ *pipe_num = ( status >> RX_P_NO ) & 0x07;
}
+ return 1;
+ }
- return 0;
+ return 0;
}
/****************************************************************************/
-void RF24::read( void* buf, uint8_t len )
-{
+void RF24::read( void* buf, uint8_t len ){
- // Fetch the payload
- read_payload( buf, len );
+ // Fetch the payload
+ read_payload( buf, len );
- //Clear the two possible interrupt flags with one command
- write_register(NRF_STATUS,_BV(RX_DR) | _BV(MAX_RT) | _BV(TX_DS) );
+ //Clear the two possible interrupt flags with one command
+ write_register(NRF_STATUS,_BV(RX_DR) | _BV(MAX_RT) | _BV(TX_DS) );
}
@@ -919,87 +831,92 @@
void RF24::whatHappened(bool& tx_ok,bool& tx_fail,bool& rx_ready)
{
- // Read the status & reset the status in one easy call
- // Or is that such a good idea?
- uint8_t status = write_register(NRF_STATUS,_BV(RX_DR) | _BV(TX_DS) | _BV(MAX_RT) );
+ // Read the status & reset the status in one easy call
+ // Or is that such a good idea?
+ uint8_t status = write_register(NRF_STATUS,_BV(RX_DR) | _BV(TX_DS) | _BV(MAX_RT) );
- // Report to the user what happened
- tx_ok = status & _BV(TX_DS);
- tx_fail = status & _BV(MAX_RT);
- rx_ready = status & _BV(RX_DR);
+ // Report to the user what happened
+ tx_ok = status & _BV(TX_DS);
+ tx_fail = status & _BV(MAX_RT);
+ rx_ready = status & _BV(RX_DR);
}
/****************************************************************************/
void RF24::openWritingPipe(uint64_t value)
{
- // Note that AVR 8-bit uC's store this LSB first, and the NRF24L01(+)
- // expects it LSB first too, so we're good.
+ // Note that AVR 8-bit uC's store this LSB first, and the NRF24L01(+)
+ // expects it LSB first too, so we're good.
- write_register(RX_ADDR_P0, reinterpret_cast<uint8_t*>(&value), addr_width);
- write_register(TX_ADDR, reinterpret_cast<uint8_t*>(&value), addr_width);
-
-
- //const uint8_t max_payload_size = 32;
- //write_register(RX_PW_P0,rf24_min(payload_size,max_payload_size));
- write_register(RX_PW_P0,payload_size);
+ write_register(RX_ADDR_P0, reinterpret_cast<uint8_t*>(&value), addr_width);
+ write_register(TX_ADDR, reinterpret_cast<uint8_t*>(&value), addr_width);
+
+
+ //const uint8_t max_payload_size = 32;
+ //write_register(RX_PW_P0,rf24_min(payload_size,max_payload_size));
+ write_register(RX_PW_P0,payload_size);
}
/****************************************************************************/
void RF24::openWritingPipe(const uint8_t *address)
{
- // Note that AVR 8-bit uC's store this LSB first, and the NRF24L01(+)
- // expects it LSB first too, so we're good.
+ // Note that AVR 8-bit uC's store this LSB first, and the NRF24L01(+)
+ // expects it LSB first too, so we're good.
- write_register(RX_ADDR_P0,address, addr_width);
- write_register(TX_ADDR, address, addr_width);
+ write_register(RX_ADDR_P0,address, addr_width);
+ write_register(TX_ADDR, address, addr_width);
- //const uint8_t max_payload_size = 32;
- //write_register(RX_PW_P0,rf24_min(payload_size,max_payload_size));
- write_register(RX_PW_P0,payload_size);
+ //const uint8_t max_payload_size = 32;
+ //write_register(RX_PW_P0,rf24_min(payload_size,max_payload_size));
+ write_register(RX_PW_P0,payload_size);
}
/****************************************************************************/
-static const uint8_t child_pipe[] PROGMEM = {
- RX_ADDR_P0, RX_ADDR_P1, RX_ADDR_P2, RX_ADDR_P3, RX_ADDR_P4, RX_ADDR_P5
+static const uint8_t child_pipe[] PROGMEM =
+{
+ RX_ADDR_P0, RX_ADDR_P1, RX_ADDR_P2, RX_ADDR_P3, RX_ADDR_P4, RX_ADDR_P5
};
-static const uint8_t child_payload_size[] PROGMEM = {
- RX_PW_P0, RX_PW_P1, RX_PW_P2, RX_PW_P3, RX_PW_P4, RX_PW_P5
+static const uint8_t child_payload_size[] PROGMEM =
+{
+ RX_PW_P0, RX_PW_P1, RX_PW_P2, RX_PW_P3, RX_PW_P4, RX_PW_P5
};
void RF24::openReadingPipe(uint8_t child, uint64_t address)
{
- // If this is pipe 0, cache the address. This is needed because
- // openWritingPipe() will overwrite the pipe 0 address, so
- // startListening() will have to restore it.
- if (child == 0) {
- memcpy(pipe0_reading_address,&address,addr_width);
- }
+ // If this is pipe 0, cache the address. This is needed because
+ // openWritingPipe() will overwrite the pipe 0 address, so
+ // startListening() will have to restore it.
+ if (child == 0){
+ memcpy(pipe0_reading_address,&address,addr_width);
+ }
- if (child <= 6) {
- // For pipes 2-5, only write the LSB
- if ( child < 2 )
- write_register(pgm_read_byte(&child_pipe[child]), reinterpret_cast<const uint8_t*>(&address), addr_width);
- else
- write_register(pgm_read_byte(&child_pipe[child]), reinterpret_cast<const uint8_t*>(&address), 1);
+ if (child <= 6)
+ {
+ // For pipes 2-5, only write the LSB
+ if ( child < 2 )
+ write_register(pgm_read_byte(&child_pipe[child]), reinterpret_cast<const uint8_t*>(&address), addr_width);
+ else
+ write_register(pgm_read_byte(&child_pipe[child]), reinterpret_cast<const uint8_t*>(&address), 1);
- write_register(pgm_read_byte(&child_payload_size[child]),payload_size);
+ write_register(pgm_read_byte(&child_payload_size[child]),payload_size);
- // Note it would be more efficient to set all of the bits for all open
- // pipes at once. However, I thought it would make the calling code
- // more simple to do it this way.
- write_register(EN_RXADDR,read_register(EN_RXADDR) | _BV(pgm_read_byte(&child_pipe_enable[child])));
- }
+ // Note it would be more efficient to set all of the bits for all open
+ // pipes at once. However, I thought it would make the calling code
+ // more simple to do it this way.
+ write_register(EN_RXADDR,read_register(EN_RXADDR) | _BV(pgm_read_byte(&child_pipe_enable[child])));
+ }
}
/****************************************************************************/
-void RF24::setAddressWidth(uint8_t a_width)
-{
+void RF24::setAddressWidth(uint8_t a_width){
- if(a_width -= 2) {
+ if(a_width -= 2){
write_register(SETUP_AW,a_width%4);
addr_width = (a_width%4) + 2;
+ }else{
+ write_register(SETUP_AW,0);
+ addr_width = 2;
}
}
@@ -1008,47 +925,44 @@
void RF24::openReadingPipe(uint8_t child, const uint8_t *address)
{
- // If this is pipe 0, cache the address. This is needed because
- // openWritingPipe() will overwrite the pipe 0 address, so
- // startListening() will have to restore it.
- if (child == 0) {
- memcpy(pipe0_reading_address,address,addr_width);
+ // If this is pipe 0, cache the address. This is needed because
+ // openWritingPipe() will overwrite the pipe 0 address, so
+ // startListening() will have to restore it.
+ if (child == 0){
+ memcpy(pipe0_reading_address,address,addr_width);
+ }
+ if (child <= 6)
+ {
+ // For pipes 2-5, only write the LSB
+ if ( child < 2 ){
+ write_register(pgm_read_byte(&child_pipe[child]), address, addr_width);
+ }else{
+ write_register(pgm_read_byte(&child_pipe[child]), address, 1);
}
- if (child <= 6) {
- // For pipes 2-5, only write the LSB
- if ( child < 2 ) {
- write_register(pgm_read_byte(&child_pipe[child]), address, addr_width);
- } else {
- write_register(pgm_read_byte(&child_pipe[child]), address, 1);
- }
- write_register(pgm_read_byte(&child_payload_size[child]),payload_size);
+ write_register(pgm_read_byte(&child_payload_size[child]),payload_size);
- // Note it would be more efficient to set all of the bits for all open
- // pipes at once. However, I thought it would make the calling code
- // more simple to do it this way.
- write_register(EN_RXADDR,read_register(EN_RXADDR) | _BV(pgm_read_byte(&child_pipe_enable[child])));
+ // Note it would be more efficient to set all of the bits for all open
+ // pipes at once. However, I thought it would make the calling code
+ // more simple to do it this way.
+ write_register(EN_RXADDR,read_register(EN_RXADDR) | _BV(pgm_read_byte(&child_pipe_enable[child])));
- }
+ }
}
/****************************************************************************/
void RF24::closeReadingPipe( uint8_t pipe )
{
- write_register(EN_RXADDR,read_register(EN_RXADDR) & ~_BV(pgm_read_byte(&child_pipe_enable[pipe])));
+ write_register(EN_RXADDR,read_register(EN_RXADDR) & ~_BV(pgm_read_byte(&child_pipe_enable[pipe])));
}
/****************************************************************************/
void RF24::toggle_features(void)
{
- //printf_P("ACTIVATE");
-
beginTransaction();
-
- spi.write( ACTIVATE );
- spi.write( 0x73 );
-
+ spi->write( ACTIVATE );
+ spi->write( 0x73 );
endTransaction();
}
@@ -1056,54 +970,74 @@
void RF24::enableDynamicPayloads(void)
{
- // Enable dynamic payload throughout the system
+ // Enable dynamic payload throughout the system
//toggle_features();
write_register(FEATURE,read_register(FEATURE) | _BV(EN_DPL) );
- //printf_P("FEATURE=%i\r\n",read_register(FEATURE));
+
+ IF_SERIAL_DEBUG(printf("FEATURE=%i\r\n",read_register(FEATURE)));
+
+ // Enable dynamic payload on all pipes
+ //
+ // Not sure the use case of only having dynamic payload on certain
+ // pipes, so the library does not support it.
+ write_register(DYNPD,read_register(DYNPD) | _BV(DPL_P5) | _BV(DPL_P4) | _BV(DPL_P3) | _BV(DPL_P2) | _BV(DPL_P1) | _BV(DPL_P0));
+
+ dynamic_payloads_enabled = true;
+}
- // Enable dynamic payload on all pipes
- //
- // Not sure the use case of only having dynamic payload on certain
- // pipes, so the library does not support it.
- write_register(DYNPD,read_register(DYNPD) | _BV(DPL_P5) | _BV(DPL_P4) | _BV(DPL_P3) | _BV(DPL_P2) | _BV(DPL_P1) | _BV(DPL_P0));
+/****************************************************************************/
+void RF24::disableDynamicPayloads(void)
+{
+ // Disables dynamic payload throughout the system. Also disables Ack Payloads
+
+ //toggle_features();
+ write_register(FEATURE, 0);
+
- dynamic_payloads_enabled = true;
+ IF_SERIAL_DEBUG(printf("FEATURE=%i\r\n",read_register(FEATURE)));
+
+ // Disable dynamic payload on all pipes
+ //
+ // Not sure the use case of only having dynamic payload on certain
+ // pipes, so the library does not support it.
+ write_register(DYNPD, 0);
+
+ dynamic_payloads_enabled = false;
}
/****************************************************************************/
void RF24::enableAckPayload(void)
{
- //
- // enable ack payload and dynamic payload features
- //
+ //
+ // enable ack payload and dynamic payload features
+ //
//toggle_features();
write_register(FEATURE,read_register(FEATURE) | _BV(EN_ACK_PAY) | _BV(EN_DPL) );
- //printf_P("FEATURE=%i\r\n",read_register(FEATURE));
+ IF_SERIAL_DEBUG(printf("FEATURE=%i\r\n",read_register(FEATURE)));
- //
- // Enable dynamic payload on pipes 0 & 1
- //
+ //
+ // Enable dynamic payload on pipes 0 & 1
+ //
- write_register(DYNPD,read_register(DYNPD) | _BV(DPL_P1) | _BV(DPL_P0));
- dynamic_payloads_enabled = true;
+ write_register(DYNPD,read_register(DYNPD) | _BV(DPL_P1) | _BV(DPL_P0));
+ dynamic_payloads_enabled = true;
}
/****************************************************************************/
-void RF24::enableDynamicAck(void)
-{
- //
- // enable dynamic ack features
- //
+void RF24::enableDynamicAck(void){
+ //
+ // enable dynamic ack features
+ //
//toggle_features();
write_register(FEATURE,read_register(FEATURE) | _BV(EN_DYN_ACK) );
- //printf_P("FEATURE=%i\r\n",read_register(FEATURE));
+ IF_SERIAL_DEBUG(printf("FEATURE=%i\r\n",read_register(FEATURE)));
}
@@ -1112,72 +1046,74 @@
void RF24::writeAckPayload(uint8_t pipe, const void* buf, uint8_t len)
{
- const uint8_t* current = reinterpret_cast<const uint8_t*>(buf);
+ const uint8_t* current = reinterpret_cast<const uint8_t*>(buf);
- const uint8_t max_payload_size = 32;
- uint8_t data_len = rf24_min(len, max_payload_size);
-
- beginTransaction();
+ uint8_t data_len = rf24_min(len,32);
- spi.write( W_ACK_PAYLOAD | ( pipe & 7 ) );
- while ( data_len-- )
- spi.write(*current++);
+ beginTransaction();
+ spi->write(W_ACK_PAYLOAD | ( pipe & 0x07 ) );
- endTransaction();
-
+ while ( data_len-- )
+ spi->write(*current++);
+ endTransaction();
+
}
/****************************************************************************/
bool RF24::isAckPayloadAvailable(void)
{
- return ! (read_register(FIFO_STATUS) & _BV(RX_EMPTY));
+ return ! (read_register(FIFO_STATUS) & _BV(RX_EMPTY));
}
/****************************************************************************/
bool RF24::isPVariant(void)
{
- return p_variant ;
+ return p_variant ;
}
/****************************************************************************/
void RF24::setAutoAck(bool enable)
{
- if ( enable )
- write_register(EN_AA, 0b111111);
- else
- write_register(EN_AA, 0);
+ if ( enable )
+ write_register(EN_AA, 0x3F);
+ else
+ write_register(EN_AA, 0);
}
/****************************************************************************/
void RF24::setAutoAck( uint8_t pipe, bool enable )
{
- if ( pipe <= 6 ) {
- uint8_t en_aa = read_register( EN_AA ) ;
- if( enable ) {
- en_aa |= _BV(pipe) ;
- } else {
- en_aa &= ~_BV(pipe) ;
- }
- write_register( EN_AA, en_aa ) ;
+ if ( pipe <= 6 )
+ {
+ uint8_t en_aa = read_register( EN_AA ) ;
+ if( enable )
+ {
+ en_aa |= _BV(pipe) ;
}
+ else
+ {
+ en_aa &= ~_BV(pipe) ;
+ }
+ write_register( EN_AA, en_aa ) ;
+ }
}
/****************************************************************************/
bool RF24::testCarrier(void)
{
- return ( read_register(CD) & 1 );
+ return ( read_register(CD) & 1 );
}
/****************************************************************************/
bool RF24::testRPD(void)
{
- return ( read_register(RPD) & 1 ) ;
+ return ( read_register(RPD) & 1 ) ;
}
/****************************************************************************/
@@ -1185,16 +1121,16 @@
void RF24::setPALevel(uint8_t level)
{
- uint8_t setup = read_register(RF_SETUP) & 0b11111000;
+ uint8_t setup = read_register(RF_SETUP) & 0xF8;
- if(level > 3) { // If invalid level, go to max PA
- level = (RF24_PA_MAX << 1) + 1; // +1 to support the SI24R1 chip extra bit
- } else {
- level = (level << 1) + 1; // Else set level as requested
- }
+ if(level > 3){ // If invalid level, go to max PA
+ level = (RF24_PA_MAX << 1) + 1; // +1 to support the SI24R1 chip extra bit
+ }else{
+ level = (level << 1) + 1; // Else set level as requested
+ }
- write_register( RF_SETUP, setup |= level ) ; // Write it to the chip
+ write_register( RF_SETUP, setup |= level ) ; // Write it to the chip
}
/****************************************************************************/
@@ -1202,112 +1138,139 @@
uint8_t RF24::getPALevel(void)
{
- return (read_register(RF_SETUP) & (_BV(RF_PWR_LOW) | _BV(RF_PWR_HIGH))) >> 1 ;
+ return (read_register(RF_SETUP) & (_BV(RF_PWR_LOW) | _BV(RF_PWR_HIGH))) >> 1 ;
}
/****************************************************************************/
bool RF24::setDataRate(rf24_datarate_e speed)
{
- bool result = false;
- uint8_t setup = read_register(RF_SETUP) ;
-
- // HIGH and LOW '00' is 1Mbs - our default
- setup &= ~(_BV(RF_DR_LOW) | _BV(RF_DR_HIGH)) ;
-
- txRxDelay=250;
+ bool result = false;
+ uint8_t setup = read_register(RF_SETUP) ;
- if( speed == RF24_250KBPS ) {
- // Must set the RF_DR_LOW to 1; RF_DR_HIGH (used to be RF_DR) is already 0
- // Making it '10'.
- setup |= _BV( RF_DR_LOW ) ;
- txRxDelay=450;
- } else {
- // Set 2Mbs, RF_DR (RF_DR_HIGH) is set 1
- // Making it '01'
- if ( speed == RF24_2MBPS ) {
- setup |= _BV(RF_DR_HIGH);
- txRxDelay=190;
- }
+ // HIGH and LOW '00' is 1Mbs - our default
+ setup &= ~(_BV(RF_DR_LOW) | _BV(RF_DR_HIGH)) ;
+
+ #if defined(__arm__) || defined (RF24_LINUX) || defined (__ARDUINO_X86__)
+ txDelay=250;
+ #else //16Mhz Arduino
+ txDelay=85;
+ #endif
+ if( speed == RF24_250KBPS )
+ {
+ // Must set the RF_DR_LOW to 1; RF_DR_HIGH (used to be RF_DR) is already 0
+ // Making it '10'.
+ setup |= _BV( RF_DR_LOW ) ;
+ #if defined(__arm__) || defined (RF24_LINUX) || defined (__ARDUINO_X86__)
+ txDelay=450;
+ #else //16Mhz Arduino
+ txDelay=155;
+ #endif
+ }
+ else
+ {
+ // Set 2Mbs, RF_DR (RF_DR_HIGH) is set 1
+ // Making it '01'
+ if ( speed == RF24_2MBPS )
+ {
+ setup |= _BV(RF_DR_HIGH);
+ #if defined(__arm__) || defined (RF24_LINUX) || defined (__ARDUINO_X86__)
+ txDelay=190;
+ #else //16Mhz Arduino
+ txDelay=65;
+ #endif
}
- write_register(RF_SETUP,setup);
+ }
+ write_register(RF_SETUP,setup);
- // Verify our result
- if ( read_register(RF_SETUP) == setup ) {
- result = true;
- }
- return result;
+ // Verify our result
+ if ( read_register(RF_SETUP) == setup )
+ {
+ result = true;
+ }
+ return result;
}
/****************************************************************************/
rf24_datarate_e RF24::getDataRate( void )
{
- rf24_datarate_e result ;
- uint8_t dr = read_register(RF_SETUP) & (_BV(RF_DR_LOW) | _BV(RF_DR_HIGH));
+ rf24_datarate_e result ;
+ uint8_t dr = read_register(RF_SETUP) & (_BV(RF_DR_LOW) | _BV(RF_DR_HIGH));
- // switch uses RAM (evil!)
- // Order matters in our case below
- if ( dr == _BV(RF_DR_LOW) ) {
- // '10' = 250KBPS
- result = RF24_250KBPS ;
- } else if ( dr == _BV(RF_DR_HIGH) ) {
- // '01' = 2MBPS
- result = RF24_2MBPS ;
- } else {
- // '00' = 1MBPS
- result = RF24_1MBPS ;
- }
- return result ;
+ // switch uses RAM (evil!)
+ // Order matters in our case below
+ if ( dr == _BV(RF_DR_LOW) )
+ {
+ // '10' = 250KBPS
+ result = RF24_250KBPS ;
+ }
+ else if ( dr == _BV(RF_DR_HIGH) )
+ {
+ // '01' = 2MBPS
+ result = RF24_2MBPS ;
+ }
+ else
+ {
+ // '00' = 1MBPS
+ result = RF24_1MBPS ;
+ }
+ return result ;
}
/****************************************************************************/
void RF24::setCRCLength(rf24_crclength_e length)
{
- uint8_t config = read_register(CONFIG) & ~( _BV(CRCO) | _BV(EN_CRC)) ;
+ uint8_t config = read_register(NRF_CONFIG) & ~( _BV(CRCO) | _BV(EN_CRC)) ;
- // switch uses RAM (evil!)
- if ( length == RF24_CRC_DISABLED ) {
- // Do nothing, we turned it off above.
- } else if ( length == RF24_CRC_8 ) {
- config |= _BV(EN_CRC);
- } else {
- config |= _BV(EN_CRC);
- config |= _BV( CRCO );
- }
- write_register( CONFIG, config ) ;
+ // switch uses RAM (evil!)
+ if ( length == RF24_CRC_DISABLED )
+ {
+ // Do nothing, we turned it off above.
+ }
+ else if ( length == RF24_CRC_8 )
+ {
+ config |= _BV(EN_CRC);
+ }
+ else
+ {
+ config |= _BV(EN_CRC);
+ config |= _BV( CRCO );
+ }
+ write_register( NRF_CONFIG, config ) ;
}
/****************************************************************************/
rf24_crclength_e RF24::getCRCLength(void)
{
- rf24_crclength_e result = RF24_CRC_DISABLED;
-
- uint8_t config = read_register(CONFIG) & ( _BV(CRCO) | _BV(EN_CRC)) ;
- uint8_t AA = read_register(EN_AA);
+ rf24_crclength_e result = RF24_CRC_DISABLED;
+
+ uint8_t config = read_register(NRF_CONFIG) & ( _BV(CRCO) | _BV(EN_CRC)) ;
+ uint8_t AA = read_register(EN_AA);
+
+ if ( config & _BV(EN_CRC ) || AA)
+ {
+ if ( config & _BV(CRCO) )
+ result = RF24_CRC_16;
+ else
+ result = RF24_CRC_8;
+ }
- if ( config & _BV(EN_CRC ) || AA) {
- if ( config & _BV(CRCO) )
- result = RF24_CRC_16;
- else
- result = RF24_CRC_8;
- }
-
- return result;
+ return result;
}
/****************************************************************************/
void RF24::disableCRC( void )
{
- uint8_t disable = read_register(CONFIG) & ~_BV(EN_CRC) ;
- write_register( CONFIG, disable ) ;
+ uint8_t disable = read_register(NRF_CONFIG) & ~_BV(EN_CRC) ;
+ write_register( NRF_CONFIG, disable ) ;
}
/****************************************************************************/
void RF24::setRetries(uint8_t delay, uint8_t count)
{
- write_register(SETUP_RETR,(delay&0xf)<<ARD | (count&0xf)<<ARC);
+ write_register(SETUP_RETR,(delay&0xf)<<ARD | (count&0xf)<<ARC);
}
diff -r 836f5c6da243 -r 15a3bbf90fe9 RF24.h
--- a/RF24.h Mon Mar 28 18:13:17 2016 +0000
+++ b/RF24.h Fri Oct 06 20:20:33 2017 +0000
@@ -15,8 +15,8 @@
#ifndef __RF24_H__
#define __RF24_H__
+#include "RF24_config.h"
#include "mbed.h"
-#include "RF24_config.h"
/**
* Power Amplifier level.
@@ -47,1052 +47,1082 @@
{
private:
- DigitalOut ce_pin; /**< "Chip Enable" pin, activates the RX or TX role */
- DigitalOut csn_pin; /**< SPI Chip select */
- //uint16_t spi_speed; /**< SPI Bus Speed */
+ SPI *spi;
- uint8_t spi_rxbuff[32+1] ; //SPI receive buffer (payload max 32 bytes)
- uint8_t spi_txbuff[32+1] ; //SPI transmit buffer (payload max 32 bytes + 1 byte for the command)
+ DigitalOut ce_pin; /**< "Chip Enable" pin, activates the RX or TX role */
+ DigitalOut csn_pin; /**< SPI Chip select */
- bool p_variant; /* False for RF24L01 and true for RF24L01P */
- uint8_t payload_size; /**< Fixed size of payloads */
- bool dynamic_payloads_enabled; /**< Whether dynamic payloads are enabled. */
- uint8_t pipe0_reading_address[5]; /**< Last address set on pipe 0 for reading. */
- uint8_t addr_width; /**< The address width to use - 3,4 or 5 bytes. */
- uint32_t txRxDelay; /**< Var for adjusting delays depending on datarate */
-
- SPI spi;
-
- Timer mainTimer;
-
+ bool p_variant; /* False for RF24L01 and true for RF24L01P */
+ uint8_t payload_size; /**< Fixed size of payloads */
+ bool dynamic_payloads_enabled; /**< Whether dynamic payloads are enabled. */
+ uint8_t pipe0_reading_address[5]; /**< Last address set on pipe 0 for reading. */
+ uint8_t addr_width; /**< The address width to use - 3,4 or 5 bytes. */
+
protected:
- /**
- * SPI transactions
- *
- * Common code for SPI transactions including CSN toggle
- *
- */
- void beginTransaction(); // inline removed
+ /**
+ * SPI transactions
+ *
+ * Common code for SPI transactions including CSN toggle
+ *
+ */
+ inline void beginTransaction();
- void endTransaction(); // inline removed
+ inline void endTransaction();
public:
- /**
- * @name Primary public interface
- *
- * These are the main methods you need to operate the chip
- */
- /**@{*/
+ /**
+ * @name Primary public interface
+ *
+ * These are the main methods you need to operate the chip
+ */
+ /**@{*/
+
+ /**
+ * MBED Constructor
+ *
+ * Creates a new instance of this driver. Before using, you create an instance
+ * and send in the unique pins that this chip is connected to.
+ *
+ * @param _cepin The pin attached to Chip Enable on the RF module
+ * @param _cspin The pin attached to Chip Select
+ * @param spispeed For RPi, the SPI speed in MHZ ie: BCM2835_SPI_SPEED_8MHZ
+ */
+
+ RF24(SPI *spi, PinName _cepin, PinName _cspin);
- /**
- * Arduino Constructor
- *
- * Creates a new instance of this driver. Before using, you create an instance
- * and send in the unique pins that this chip is connected to.
- *
- * @param _cepin The pin attached to Chip Enable on the RF module
- * @param _cspin The pin attached to Chip Select
- */
- RF24(PinName mosi, PinName miso, PinName sck, PinName _cspin, PinName _cepin);
+ /**
+ * Begin operation of the chip
+ *
+ * Call this in setup(), before calling any other methods.
+ * @code radio.begin() @endcode
+ */
+ bool begin(void);
- virtual ~RF24() {};
+ /**
+ * Checks if the chip is connected to the SPI bus
+ */
+ bool isChipConnected();
- /**
- * Begin operation of the chip
- *
- * Call this in setup(), before calling any other methods.
- * @code radio.begin() @endcode
- */
- bool begin(void);
- void begin_MB(void);
+ /**
+ * Start listening on the pipes opened for reading.
+ *
+ * 1. Be sure to call openReadingPipe() first.
+ * 2. Do not call write() while in this mode, without first calling stopListening().
+ * 3. Call available() to check for incoming traffic, and read() to get it.
+ *
+ * @code
+ * Open reading pipe 1 using address CCCECCCECC
+ *
+ * byte address[] = { 0xCC,0xCE,0xCC,0xCE,0xCC };
+ * radio.openReadingPipe(1,address);
+ * radio.startListening();
+ * @endcode
+ */
+ void startListening(void);
- /**
- * Start listening on the pipes opened for reading.
- *
- * 1. Be sure to call openReadingPipe() first.
- * 2. Do not call write() while in this mode, without first calling stopListening().
- * 3. Call available() to check for incoming traffic, and read() to get it.
- *
- * @code
- * Open reading pipe 1 using address CCCECCCECC
- *
- * byte address[] = { 0xCC,0xCE,0xCC,0xCE,0xCC };
- * radio.openReadingPipe(1,address);
- * radio.startListening();
- * @endcode
- */
- void startListening(void);
+ /**
+ * Stop listening for incoming messages, and switch to transmit mode.
+ *
+ * Do this before calling write().
+ * @code
+ * radio.stopListening();
+ * radio.write(&data,sizeof(data));
+ * @endcode
+ */
+ void stopListening(void);
+
+ /**
+ * Check whether there are bytes available to be read
+ * @code
+ * if(radio.available()){
+ * radio.read(&data,sizeof(data));
+ * }
+ * @endcode
+ * @return True if there is a payload available, false if none is
+ */
+ bool available(void);
- /**
- * Stop listening for incoming messages, and switch to transmit mode.
- *
- * Do this before calling write().
- * @code
- * radio.stopListening();
- * radio.write(&data,sizeof(data));
- * @endcode
- */
- void stopListening(void);
-
- /**
- * Check whether there are bytes available to be read
- * @code
- * if(radio.available()){
- * radio.read(&data,sizeof(data));
- * }
- * @endcode
- * @return True if there is a payload available, false if none is
- */
- bool available(void);
+ /**
+ * Read the available payload
+ *
+ * The size of data read is the fixed payload size, see getPayloadSize()
+ *
+ * @note I specifically chose 'void*' as a data type to make it easier
+ * for beginners to use. No casting needed.
+ *
+ * @note No longer boolean. Use available to determine if packets are
+ * available. Interrupt flags are now cleared during reads instead of
+ * when calling available().
+ *
+ * @param buf Pointer to a buffer where the data should be written
+ * @param len Maximum number of bytes to read into the buffer
+ *
+ * @code
+ * if(radio.available()){
+ * radio.read(&data,sizeof(data));
+ * }
+ * @endcode
+ * @return No return value. Use available().
+ */
+ void read( void* buf, uint8_t len );
- /**
- * Read the available payload
- *
- * The size of data read is the fixed payload size, see getPayloadSize()
- *
- * @note I specifically chose 'void*' as a data type to make it easier
- * for beginners to use. No casting needed.
- *
- * @note No longer boolean. Use available to determine if packets are
- * available. Interrupt flags are now cleared during reads instead of
- * when calling available().
- *
- * @param buf Pointer to a buffer where the data should be written
- * @param len Maximum number of bytes to read into the buffer
- *
- * @code
- * if(radio.available()){
- * radio.read(&data,sizeof(data));
- * }
- * @endcode
- * @return No return value. Use available().
- */
- void read( void* buf, uint8_t len );
+ /**
+ * Be sure to call openWritingPipe() first to set the destination
+ * of where to write to.
+ *
+ * This blocks until the message is successfully acknowledged by
+ * the receiver or the timeout/retransmit maxima are reached. In
+ * the current configuration, the max delay here is 60-70ms.
+ *
+ * The maximum size of data written is the fixed payload size, see
+ * getPayloadSize(). However, you can write less, and the remainder
+ * will just be filled with zeroes.
+ *
+ * TX/RX/RT interrupt flags will be cleared every time write is called
+ *
+ * @param buf Pointer to the data to be sent
+ * @param len Number of bytes to be sent
+ *
+ * @code
+ * radio.stopListening();
+ * radio.write(&data,sizeof(data));
+ * @endcode
+ * @return True if the payload was delivered successfully false if not
+ */
+ bool write( const void* buf, uint8_t len );
+
+ /**
+ * New: Open a pipe for writing via byte array. Old addressing format retained
+ * for compatibility.
+ *
+ * Only one writing pipe can be open at once, but you can change the address
+ * you'll write to. Call stopListening() first.
+ *
+ * Addresses are assigned via a byte array, default is 5 byte address length
+s *
+ * @code
+ * uint8_t addresses[][6] = {"1Node","2Node"};
+ * radio.openWritingPipe(addresses[0]);
+ * @endcode
+ * @code
+ * uint8_t address[] = { 0xCC,0xCE,0xCC,0xCE,0xCC };
+ * radio.openWritingPipe(address);
+ * address[0] = 0x33;
+ * radio.openReadingPipe(1,address);
+ * @endcode
+ * @see setAddressWidth
+ *
+ * @param address The address of the pipe to open. Coordinate these pipe
+ * addresses amongst nodes on the network.
+ */
+
+ void openWritingPipe(const uint8_t *address);
- /**
- * Be sure to call openWritingPipe() first to set the destination
- * of where to write to.
- *
- * This blocks until the message is successfully acknowledged by
- * the receiver or the timeout/retransmit maxima are reached. In
- * the current configuration, the max delay here is 60-70ms.
- *
- * The maximum size of data written is the fixed payload size, see
- * getPayloadSize(). However, you can write less, and the remainder
- * will just be filled with zeroes.
- *
- * TX/RX/RT interrupt flags will be cleared every time write is called
- *
- * @param buf Pointer to the data to be sent
- * @param len Number of bytes to be sent
- *
- * @code
- * radio.stopListening();
- * radio.write(&data,sizeof(data));
- * @endcode
- * @return True if the payload was delivered successfully false if not
- */
- bool write( const void* buf, uint8_t len );
+ /**
+ * Open a pipe for reading
+ *
+ * Up to 6 pipes can be open for reading at once. Open all the required
+ * reading pipes, and then call startListening().
+ *
+ * @see openWritingPipe
+ * @see setAddressWidth
+ *
+ * @note Pipes 0 and 1 will store a full 5-byte address. Pipes 2-5 will technically
+ * only store a single byte, borrowing up to 4 additional bytes from pipe #1 per the
+ * assigned address width.
+ * @warning Pipes 1-5 should share the same address, except the first byte.
+ * Only the first byte in the array should be unique, e.g.
+ * @code
+ * uint8_t addresses[][6] = {"1Node","2Node"};
+ * openReadingPipe(1,addresses[0]);
+ * openReadingPipe(2,addresses[1]);
+ * @endcode
+ *
+ * @warning Pipe 0 is also used by the writing pipe. So if you open
+ * pipe 0 for reading, and then startListening(), it will overwrite the
+ * writing pipe. Ergo, do an openWritingPipe() again before write().
+ *
+ * @param number Which pipe# to open, 0-5.
+ * @param address The 24, 32 or 40 bit address of the pipe to open.
+ */
+
+ void openReadingPipe(uint8_t number, const uint8_t *address);
- /**
- * New: Open a pipe for writing via byte array. Old addressing format retained
- * for compatibility.
- *
- * Only one writing pipe can be open at once, but you can change the address
- * you'll write to. Call stopListening() first.
- *
- * Addresses are assigned via a byte array, default is 5 byte address length
- s *
- * @code
- * uint8_t addresses[][6] = {"1Node","2Node"};
- * radio.openWritingPipe(addresses[0]);
- * @endcode
- * @code
- * uint8_t address[] = { 0xCC,0xCE,0xCC,0xCE,0xCC };
- * radio.openWritingPipe(address);
- * address[0] = 0x33;
- * radio.openReadingPipe(1,address);
- * @endcode
- * @see setAddressWidth
- *
- * @param address The address of the pipe to open. Coordinate these pipe
- * addresses amongst nodes on the network.
- */
+ /**@}*/
+ /**
+ * @name Advanced Operation
+ *
+ * Methods you can use to drive the chip in more advanced ways
+ */
+ /**@{*/
- void openWritingPipe(const uint8_t *address);
+ /**
+ * Print a giant block of debugging information to stdout
+ *
+ * @warning Does nothing if stdout is not defined. See fdevopen in stdio.h
+ * The printf.h file is included with the library for Arduino.
+ * @code
+ * #include <printf.h>
+ * setup(){
+ * Serial.begin(115200);
+ * printf_begin();
+ * ...
+ * }
+ * @endcode
+ */
+ void printDetails(void);
+
+ /**
+ * Test whether there are bytes available to be read in the
+ * FIFO buffers.
+ *
+ * @param[out] pipe_num Which pipe has the payload available
+ *
+ * @code
+ * uint8_t pipeNum;
+ * if(radio.available(&pipeNum)){
+ * radio.read(&data,sizeof(data));
+ * Serial.print("Got data on pipe");
+ * Serial.println(pipeNum);
+ * }
+ * @endcode
+ * @return True if there is a payload available, false if none is
+ */
+ bool available(uint8_t* pipe_num);
- /**
- * Open a pipe for reading
- *
- * Up to 6 pipes can be open for reading at once. Open all the required
- * reading pipes, and then call startListening().
- *
- * @see openWritingPipe
- * @see setAddressWidth
- *
- * @note Pipes 0 and 1 will store a full 5-byte address. Pipes 2-5 will technically
- * only store a single byte, borrowing up to 4 additional bytes from pipe #1 per the
- * assigned address width.
- * @warning Pipes 1-5 should share the same address, except the first byte.
- * Only the first byte in the array should be unique, e.g.
- * @code
- * uint8_t addresses[][6] = {"1Node","2Node"};
- * openReadingPipe(1,addresses[0]);
- * openReadingPipe(2,addresses[1]);
- * @endcode
- *
- * @warning Pipe 0 is also used by the writing pipe. So if you open
- * pipe 0 for reading, and then startListening(), it will overwrite the
- * writing pipe. Ergo, do an openWritingPipe() again before write().
- *
- * @param number Which pipe# to open, 0-5.
- * @param address The 24, 32 or 40 bit address of the pipe to open.
- */
+ /**
+ * Check if the radio needs to be read. Can be used to prevent data loss
+ * @return True if all three 32-byte radio buffers are full
+ */
+ bool rxFifoFull();
+
+ /**
+ * Enter low-power mode
+ *
+ * To return to normal power mode, call powerUp().
+ *
+ * @note After calling startListening(), a basic radio will consume about 13.5mA
+ * at max PA level.
+ * During active transmission, the radio will consume about 11.5mA, but this will
+ * be reduced to 26uA (.026mA) between sending.
+ * In full powerDown mode, the radio will consume approximately 900nA (.0009mA)
+ *
+ * @code
+ * radio.powerDown();
+ * avr_enter_sleep_mode(); // Custom function to sleep the device
+ * radio.powerUp();
+ * @endcode
+ */
+ void powerDown(void);
+
+ /**
+ * Leave low-power mode - required for normal radio operation after calling powerDown()
+ *
+ * To return to low power mode, call powerDown().
+ * @note This will take up to 5ms for maximum compatibility
+ */
+ void powerUp(void) ;
- void openReadingPipe(uint8_t number, const uint8_t *address);
-
- /**@}*/
- /**
- * @name Advanced Operation
- *
- * Methods you can use to drive the chip in more advanced ways
- */
- /**@{*/
+ /**
+ * Write for single NOACK writes. Optionally disables acknowledgements/autoretries for a single write.
+ *
+ * @note enableDynamicAck() must be called to enable this feature
+ *
+ * Can be used with enableAckPayload() to request a response
+ * @see enableDynamicAck()
+ * @see setAutoAck()
+ * @see write()
+ *
+ * @param buf Pointer to the data to be sent
+ * @param len Number of bytes to be sent
+ * @param multicast Request ACK (0), NOACK (1)
+ */
+ bool write( const void* buf, uint8_t len, const bool multicast );
- /**
- * Print a giant block of debugging information to stdout
- *
- * @warning Does nothing if stdout is not defined. See fdevopen in stdio.h
- * The printf.h file is included with the library for Arduino.
- * @code
- * #include <printf.h>
- * setup(){
- * Serial.begin(115200);
- * printf_begin();
- * ...
- * }
- * @endcode
- */
- void printDetails(void);
+ /**
+ * This will not block until the 3 FIFO buffers are filled with data.
+ * Once the FIFOs are full, writeFast will simply wait for success or
+ * timeout, and return 1 or 0 respectively. From a user perspective, just
+ * keep trying to send the same data. The library will keep auto retrying
+ * the current payload using the built in functionality.
+ * @warning It is important to never keep the nRF24L01 in TX mode and FIFO full for more than 4ms at a time. If the auto
+ * retransmit is enabled, the nRF24L01 is never in TX mode long enough to disobey this rule. Allow the FIFO
+ * to clear by issuing txStandBy() or ensure appropriate time between transmissions.
+ *
+ * @code
+ * Example (Partial blocking):
+ *
+ * radio.writeFast(&buf,32); // Writes 1 payload to the buffers
+ * txStandBy(); // Returns 0 if failed. 1 if success. Blocks only until MAX_RT timeout or success. Data flushed on fail.
+ *
+ * radio.writeFast(&buf,32); // Writes 1 payload to the buffers
+ * txStandBy(1000); // Using extended timeouts, returns 1 if success. Retries failed payloads for 1 seconds before returning 0.
+ * @endcode
+ *
+ * @see txStandBy()
+ * @see write()
+ * @see writeBlocking()
+ *
+ * @param buf Pointer to the data to be sent
+ * @param len Number of bytes to be sent
+ * @return True if the payload was delivered successfully false if not
+ */
+ bool writeFast( const void* buf, uint8_t len );
- /**
- * Test whether there are bytes available to be read in the
- * FIFO buffers.
- *
- * @param[out] pipe_num Which pipe has the payload available
- *
- * @code
- * uint8_t pipeNum;
- * if(radio.available(&pipeNum)){
- * radio.read(&data,sizeof(data));
- * Serial.print("Got data on pipe");
- * Serial.println(pipeNum);
- * }
- * @endcode
- * @return True if there is a payload available, false if none is
- */
- bool available(uint8_t* pipe_num);
+ /**
+ * WriteFast for single NOACK writes. Disables acknowledgements/autoretries for a single write.
+ *
+ * @note enableDynamicAck() must be called to enable this feature
+ * @see enableDynamicAck()
+ * @see setAutoAck()
+ *
+ * @param buf Pointer to the data to be sent
+ * @param len Number of bytes to be sent
+ * @param multicast Request ACK (0) or NOACK (1)
+ */
+ bool writeFast( const void* buf, uint8_t len, const bool multicast );
- /**
- * Check if the radio needs to be read. Can be used to prevent data loss
- * @return True if all three 32-byte radio buffers are full
- */
- bool rxFifoFull();
-
- /**
- * Enter low-power mode
- *
- * To return to normal power mode, call powerUp().
- *
- * @note After calling startListening(), a basic radio will consume about 13.5mA
- * at max PA level.
- * During active transmission, the radio will consume about 11.5mA, but this will
- * be reduced to 26uA (.026mA) between sending.
- * In full powerDown mode, the radio will consume approximately 900nA (.0009mA)
- *
- * @code
- * radio.powerDown();
- * avr_enter_sleep_mode(); // Custom function to sleep the device
- * radio.powerUp();
- * @endcode
- */
- void powerDown(void);
+ /**
+ * This function extends the auto-retry mechanism to any specified duration.
+ * It will not block until the 3 FIFO buffers are filled with data.
+ * If so the library will auto retry until a new payload is written
+ * or the user specified timeout period is reached.
+ * @warning It is important to never keep the nRF24L01 in TX mode and FIFO full for more than 4ms at a time. If the auto
+ * retransmit is enabled, the nRF24L01 is never in TX mode long enough to disobey this rule. Allow the FIFO
+ * to clear by issuing txStandBy() or ensure appropriate time between transmissions.
+ *
+ * @code
+ * Example (Full blocking):
+ *
+ * radio.writeBlocking(&buf,32,1000); //Wait up to 1 second to write 1 payload to the buffers
+ * txStandBy(1000); //Wait up to 1 second for the payload to send. Return 1 if ok, 0 if failed.
+ * //Blocks only until user timeout or success. Data flushed on fail.
+ * @endcode
+ * @note If used from within an interrupt, the interrupt should be disabled until completion, and sei(); called to enable millis().
+ * @see txStandBy()
+ * @see write()
+ * @see writeFast()
+ *
+ * @param buf Pointer to the data to be sent
+ * @param len Number of bytes to be sent
+ * @param timeout User defined timeout in milliseconds.
+ * @return True if the payload was loaded into the buffer successfully false if not
+ */
+ bool writeBlocking( const void* buf, uint8_t len, uint32_t timeout );
- /**
- * Leave low-power mode - required for normal radio operation after calling powerDown()
- *
- * To return to low power mode, call powerDown().
- * @note This will take up to 5ms for maximum compatibility
- */
- void powerUp(void) ;
-
- /**
- * Write for single NOACK writes. Optionally disables acknowledgements/autoretries for a single write.
- *
- * @note enableDynamicAck() must be called to enable this feature
- *
- * Can be used with enableAckPayload() to request a response
- * @see enableDynamicAck()
- * @see setAutoAck()
- * @see write()
- *
- * @param buf Pointer to the data to be sent
- * @param len Number of bytes to be sent
- * @param multicast Request ACK (0), NOACK (1)
- */
- bool write( const void* buf, uint8_t len, const bool multicast );
+ /**
+ * This function should be called as soon as transmission is finished to
+ * drop the radio back to STANDBY-I mode. If not issued, the radio will
+ * remain in STANDBY-II mode which, per the data sheet, is not a recommended
+ * operating mode.
+ *
+ * @note When transmitting data in rapid succession, it is still recommended by
+ * the manufacturer to drop the radio out of TX or STANDBY-II mode if there is
+ * time enough between sends for the FIFOs to empty. This is not required if auto-ack
+ * is enabled.
+ *
+ * Relies on built-in auto retry functionality.
+ *
+ * @code
+ * Example (Partial blocking):
+ *
+ * radio.writeFast(&buf,32);
+ * radio.writeFast(&buf,32);
+ * radio.writeFast(&buf,32); //Fills the FIFO buffers up
+ * bool ok = txStandBy(); //Returns 0 if failed. 1 if success.
+ * //Blocks only until MAX_RT timeout or success. Data flushed on fail.
+ * @endcode
+ * @see txStandBy(unsigned long timeout)
+ * @return True if transmission is successful
+ *
+ */
+ bool txStandBy();
- /**
- * This will not block until the 3 FIFO buffers are filled with data.
- * Once the FIFOs are full, writeFast will simply wait for success or
- * timeout, and return 1 or 0 respectively. From a user perspective, just
- * keep trying to send the same data. The library will keep auto retrying
- * the current payload using the built in functionality.
- * @warning It is important to never keep the nRF24L01 in TX mode and FIFO full for more than 4ms at a time. If the auto
- * retransmit is enabled, the nRF24L01 is never in TX mode long enough to disobey this rule. Allow the FIFO
- * to clear by issuing txStandBy() or ensure appropriate time between transmissions.
- *
- * @code
- * Example (Partial blocking):
- *
- * radio.writeFast(&buf,32); // Writes 1 payload to the buffers
- * txStandBy(); // Returns 0 if failed. 1 if success. Blocks only until MAX_RT timeout or success. Data flushed on fail.
- *
- * radio.writeFast(&buf,32); // Writes 1 payload to the buffers
- * txStandBy(1000); // Using extended timeouts, returns 1 if success. Retries failed payloads for 1 seconds before returning 0.
- * @endcode
- *
- * @see txStandBy()
- * @see write()
- * @see writeBlocking()
- *
- * @param buf Pointer to the data to be sent
- * @param len Number of bytes to be sent
- * @return True if the payload was delivered successfully false if not
- */
- bool writeFast( const void* buf, uint8_t len );
+ /**
+ * This function allows extended blocking and auto-retries per a user defined timeout
+ * @code
+ * Fully Blocking Example:
+ *
+ * radio.writeFast(&buf,32);
+ * radio.writeFast(&buf,32);
+ * radio.writeFast(&buf,32); //Fills the FIFO buffers up
+ * bool ok = txStandBy(1000); //Returns 0 if failed after 1 second of retries. 1 if success.
+ * //Blocks only until user defined timeout or success. Data flushed on fail.
+ * @endcode
+ * @note If used from within an interrupt, the interrupt should be disabled until completion, and sei(); called to enable millis().
+ * @param timeout Number of milliseconds to retry failed payloads
+ * @return True if transmission is successful
+ *
+ */
+ bool txStandBy(uint32_t timeout, bool startTx = 0);
+
+ /**
+ * Write an ack payload for the specified pipe
+ *
+ * The next time a message is received on @p pipe, the data in @p buf will
+ * be sent back in the acknowledgement.
+ * @see enableAckPayload()
+ * @see enableDynamicPayloads()
+ * @warning Only three of these can be pending at any time as there are only 3 FIFO buffers.<br> Dynamic payloads must be enabled.
+ * @note Ack payloads are handled automatically by the radio chip when a payload is received. Users should generally
+ * write an ack payload as soon as startListening() is called, so one is available when a regular payload is received.
+ * @note Ack payloads are dynamic payloads. This only works on pipes 0&1 by default. Call
+ * enableDynamicPayloads() to enable on all pipes.
+ *
+ * @param pipe Which pipe# (typically 1-5) will get this response.
+ * @param buf Pointer to data that is sent
+ * @param len Length of the data to send, up to 32 bytes max. Not affected
+ * by the static payload set by setPayloadSize().
+ */
+ void writeAckPayload(uint8_t pipe, const void* buf, uint8_t len);
+
+ /**
+ * Determine if an ack payload was received in the most recent call to
+ * write(). The regular available() can also be used.
+ *
+ * Call read() to retrieve the ack payload.
+ *
+ * @return True if an ack payload is available.
+ */
+ bool isAckPayloadAvailable(void);
+
+ /**
+ * Call this when you get an interrupt to find out why
+ *
+ * Tells you what caused the interrupt, and clears the state of
+ * interrupts.
+ *
+ * @param[out] tx_ok The send was successful (TX_DS)
+ * @param[out] tx_fail The send failed, too many retries (MAX_RT)
+ * @param[out] rx_ready There is a message waiting to be read (RX_DS)
+ */
+ void whatHappened(bool& tx_ok,bool& tx_fail,bool& rx_ready);
- /**
- * WriteFast for single NOACK writes. Disables acknowledgements/autoretries for a single write.
- *
- * @note enableDynamicAck() must be called to enable this feature
- * @see enableDynamicAck()
- * @see setAutoAck()
- *
- * @param buf Pointer to the data to be sent
- * @param len Number of bytes to be sent
- * @param multicast Request ACK (0) or NOACK (1)
- */
- bool writeFast( const void* buf, uint8_t len, const bool multicast );
+ /**
+ * Non-blocking write to the open writing pipe used for buffered writes
+ *
+ * @note Optimization: This function now leaves the CE pin high, so the radio
+ * will remain in TX or STANDBY-II Mode until a txStandBy() command is issued. Can be used as an alternative to startWrite()
+ * if writing multiple payloads at once.
+ * @warning It is important to never keep the nRF24L01 in TX mode with FIFO full for more than 4ms at a time. If the auto
+ * retransmit/autoAck is enabled, the nRF24L01 is never in TX mode long enough to disobey this rule. Allow the FIFO
+ * to clear by issuing txStandBy() or ensure appropriate time between transmissions.
+ *
+ * @see write()
+ * @see writeFast()
+ * @see startWrite()
+ * @see writeBlocking()
+ *
+ * For single noAck writes see:
+ * @see enableDynamicAck()
+ * @see setAutoAck()
+ *
+ * @param buf Pointer to the data to be sent
+ * @param len Number of bytes to be sent
+ * @param multicast Request ACK (0) or NOACK (1)
+ * @return True if the payload was delivered successfully false if not
+ */
+ void startFastWrite( const void* buf, uint8_t len, const bool multicast, bool startTx = 1 );
- /**
- * This function extends the auto-retry mechanism to any specified duration.
- * It will not block until the 3 FIFO buffers are filled with data.
- * If so the library will auto retry until a new payload is written
- * or the user specified timeout period is reached.
- * @warning It is important to never keep the nRF24L01 in TX mode and FIFO full for more than 4ms at a time. If the auto
- * retransmit is enabled, the nRF24L01 is never in TX mode long enough to disobey this rule. Allow the FIFO
- * to clear by issuing txStandBy() or ensure appropriate time between transmissions.
- *
- * @code
- * Example (Full blocking):
- *
- * radio.writeBlocking(&buf,32,1000); //Wait up to 1 second to write 1 payload to the buffers
- * txStandBy(1000); //Wait up to 1 second for the payload to send. Return 1 if ok, 0 if failed.
- * //Blocks only until user timeout or success. Data flushed on fail.
- * @endcode
- * @note If used from within an interrupt, the interrupt should be disabled until completion, and sei(); called to enable millis().
- * @see txStandBy()
- * @see write()
- * @see writeFast()
- *
- * @param buf Pointer to the data to be sent
- * @param len Number of bytes to be sent
- * @param timeout User defined timeout in milliseconds.
- * @return True if the payload was loaded into the buffer successfully false if not
- */
- bool writeBlocking( const void* buf, uint8_t len, uint32_t timeout );
+ /**
+ * Non-blocking write to the open writing pipe
+ *
+ * Just like write(), but it returns immediately. To find out what happened
+ * to the send, catch the IRQ and then call whatHappened().
+ *
+ * @see write()
+ * @see writeFast()
+ * @see startFastWrite()
+ * @see whatHappened()
+ *
+ * For single noAck writes see:
+ * @see enableDynamicAck()
+ * @see setAutoAck()
+ *
+ * @param buf Pointer to the data to be sent
+ * @param len Number of bytes to be sent
+ * @param multicast Request ACK (0) or NOACK (1)
+ *
+ */
+ void startWrite( const void* buf, uint8_t len, const bool multicast );
+
+ /**
+ * This function is mainly used internally to take advantage of the auto payload
+ * re-use functionality of the chip, but can be beneficial to users as well.
+ *
+ * The function will instruct the radio to re-use the data in the FIFO buffers,
+ * and instructs the radio to re-send once the timeout limit has been reached.
+ * Used by writeFast and writeBlocking to initiate retries when a TX failure
+ * occurs. Retries are automatically initiated except with the standard write().
+ * This way, data is not flushed from the buffer until switching between modes.
+ *
+ * @note This is to be used AFTER auto-retry fails if wanting to resend
+ * using the built-in payload reuse features.
+ * After issuing reUseTX(), it will keep reending the same payload forever or until
+ * a payload is written to the FIFO, or a flush_tx command is given.
+ */
+ void reUseTX();
+
+ /**
+ * Empty the transmit buffer. This is generally not required in standard operation.
+ * May be required in specific cases after stopListening() , if operating at 250KBPS data rate.
+ *
+ * @return Current value of status register
+ */
+ uint8_t flush_tx(void);
+
+ /**
+ * Test whether there was a carrier on the line for the
+ * previous listening period.
+ *
+ * Useful to check for interference on the current channel.
+ *
+ * @return true if was carrier, false if not
+ */
+ bool testCarrier(void);
- /**
- * This function should be called as soon as transmission is finished to
- * drop the radio back to STANDBY-I mode. If not issued, the radio will
- * remain in STANDBY-II mode which, per the data sheet, is not a recommended
- * operating mode.
- *
- * @note When transmitting data in rapid succession, it is still recommended by
- * the manufacturer to drop the radio out of TX or STANDBY-II mode if there is
- * time enough between sends for the FIFOs to empty. This is not required if auto-ack
- * is enabled.
- *
- * Relies on built-in auto retry functionality.
- *
- * @code
- * Example (Partial blocking):
- *
- * radio.writeFast(&buf,32);
- * radio.writeFast(&buf,32);
- * radio.writeFast(&buf,32); //Fills the FIFO buffers up
- * bool ok = txStandBy(); //Returns 0 if failed. 1 if success.
- * //Blocks only until MAX_RT timeout or success. Data flushed on fail.
- * @endcode
- * @see txStandBy(unsigned long timeout)
- * @return True if transmission is successful
- *
- */
- bool txStandBy();
+ /**
+ * Test whether a signal (carrier or otherwise) greater than
+ * or equal to -64dBm is present on the channel. Valid only
+ * on nRF24L01P (+) hardware. On nRF24L01, use testCarrier().
+ *
+ * Useful to check for interference on the current channel and
+ * channel hopping strategies.
+ *
+ * @code
+ * bool goodSignal = radio.testRPD();
+ * if(radio.available()){
+ * Serial.println(goodSignal ? "Strong signal > 64dBm" : "Weak signal < 64dBm" );
+ * radio.read(0,0);
+ * }
+ * @endcode
+ * @return true if signal => -64dBm, false if not
+ */
+ bool testRPD(void) ;
+
+ /**
+ * Test whether this is a real radio, or a mock shim for
+ * debugging. Setting either pin to 0xff is the way to
+ * indicate that this is not a real radio.
+ *
+ * @return true if this is a legitimate radio
+ */
+ bool isValid() { return ce_pin != 0xff && csn_pin != 0xff; }
+
+ /**
+ * Close a pipe after it has been previously opened.
+ * Can be safely called without having previously opened a pipe.
+ * @param pipe Which pipe # to close, 0-5.
+ */
+ void closeReadingPipe( uint8_t pipe ) ;
- /**
- * This function allows extended blocking and auto-retries per a user defined timeout
- * @code
- * Fully Blocking Example:
- *
- * radio.writeFast(&buf,32);
- * radio.writeFast(&buf,32);
- * radio.writeFast(&buf,32); //Fills the FIFO buffers up
- * bool ok = txStandBy(1000); //Returns 0 if failed after 1 second of retries. 1 if success.
- * //Blocks only until user defined timeout or success. Data flushed on fail.
- * @endcode
- * @note If used from within an interrupt, the interrupt should be disabled until completion, and sei(); called to enable millis().
- * @param timeout Number of milliseconds to retry failed payloads
- * @return True if transmission is successful
- *
- */
- bool txStandBy(uint32_t timeout, bool startTx = 0);
+ /**
+ * Enable error detection by un-commenting #define FAILURE_HANDLING in RF24_config.h
+ * If a failure has been detected, it usually indicates a hardware issue. By default the library
+ * will cease operation when a failure is detected.
+ * This should allow advanced users to detect and resolve intermittent hardware issues.
+ *
+ * In most cases, the radio must be re-enabled via radio.begin(); and the appropriate settings
+ * applied after a failure occurs, if wanting to re-enable the device immediately.
+ *
+ * Usage: (Failure handling must be enabled per above)
+ * @code
+ * if(radio.failureDetected){
+ * radio.begin(); // Attempt to re-configure the radio with defaults
+ * radio.failureDetected = 0; // Reset the detection value
+ * radio.openWritingPipe(addresses[1]); // Re-configure pipe addresses
+ * radio.openReadingPipe(1,addresses[0]);
+ * report_failure(); // Blink leds, send a message, etc. to indicate failure
+ * }
+ * @endcode
+ */
+ //#if defined (FAILURE_HANDLING)
+ bool failureDetected;
+ //#endif
+
+ /**@}*/
- /**
- * Write an ack payload for the specified pipe
- *
- * The next time a message is received on @p pipe, the data in @p buf will
- * be sent back in the acknowledgement.
- * @see enableAckPayload()
- * @see enableDynamicPayloads()
- * @warning Only three of these can be pending at any time as there are only 3 FIFO buffers.<br> Dynamic payloads must be enabled.
- * @note Ack payloads are handled automatically by the radio chip when a payload is received. Users should generally
- * write an ack payload as soon as startListening() is called, so one is available when a regular payload is received.
- * @note Ack payloads are dynamic payloads. This only works on pipes 0&1 by default. Call
- * enableDynamicPayloads() to enable on all pipes.
- *
- * @param pipe Which pipe# (typically 1-5) will get this response.
- * @param buf Pointer to data that is sent
- * @param len Length of the data to send, up to 32 bytes max. Not affected
- * by the static payload set by setPayloadSize().
- */
- void writeAckPayload(uint8_t pipe, const void* buf, uint8_t len);
+ /**@}*/
+ /**
+ * @name Optional Configurators
+ *
+ * Methods you can use to get or set the configuration of the chip.
+ * None are required. Calling begin() sets up a reasonable set of
+ * defaults.
+ */
+ /**@{*/
+
+ /**
+ * Set the address width from 3 to 5 bytes (24, 32 or 40 bit)
+ *
+ * @param a_width The address width to use: 3,4 or 5
+ */
+ void setAddressWidth(uint8_t a_width);
+
+ /**
+ * Set the number and delay of retries upon failed submit
+ *
+ * @param delay How long to wait between each retry, in multiples of 250us,
+ * max is 15. 0 means 250us, 15 means 4000us.
+ * @param count How many retries before giving up, max 15
+ */
+ void setRetries(uint8_t delay, uint8_t count);
+
+ /**
+ * Set RF communication channel
+ *
+ * @param channel Which RF channel to communicate on, 0-125
+ */
+ void setChannel(uint8_t channel);
+
/**
- * Determine if an ack payload was received in the most recent call to
- * write(). The regular available() can also be used.
- *
- * Call read() to retrieve the ack payload.
- *
- * @return True if an ack payload is available.
- */
- bool isAckPayloadAvailable(void);
-
- /**
- * Call this when you get an interrupt to find out why
- *
- * Tells you what caused the interrupt, and clears the state of
- * interrupts.
- *
- * @param[out] tx_ok The send was successful (TX_DS)
- * @param[out] tx_fail The send failed, too many retries (MAX_RT)
- * @param[out] rx_ready There is a message waiting to be read (RX_DS)
- */
- void whatHappened(bool& tx_ok,bool& tx_fail,bool& rx_ready);
+ * Get RF communication channel
+ *
+ * @return The currently configured RF Channel
+ */
+ uint8_t getChannel(void);
- /**
- * Non-blocking write to the open writing pipe used for buffered writes
- *
- * @note Optimization: This function now leaves the CE pin high, so the radio
- * will remain in TX or STANDBY-II Mode until a txStandBy() command is issued. Can be used as an alternative to startWrite()
- * if writing multiple payloads at once.
- * @warning It is important to never keep the nRF24L01 in TX mode with FIFO full for more than 4ms at a time. If the auto
- * retransmit/autoAck is enabled, the nRF24L01 is never in TX mode long enough to disobey this rule. Allow the FIFO
- * to clear by issuing txStandBy() or ensure appropriate time between transmissions.
- *
- * @see write()
- * @see writeFast()
- * @see startWrite()
- * @see writeBlocking()
- *
- * For single noAck writes see:
- * @see enableDynamicAck()
- * @see setAutoAck()
- *
- * @param buf Pointer to the data to be sent
- * @param len Number of bytes to be sent
- * @param multicast Request ACK (0) or NOACK (1)
- * @return True if the payload was delivered successfully false if not
- */
- void startFastWrite( const void* buf, uint8_t len, const bool multicast, bool startTx = 1 );
+ /**
+ * Set Static Payload Size
+ *
+ * This implementation uses a pre-stablished fixed payload size for all
+ * transmissions. If this method is never called, the driver will always
+ * transmit the maximum payload size (32 bytes), no matter how much
+ * was sent to write().
+ *
+ * @todo Implement variable-sized payloads feature
+ *
+ * @param size The number of bytes in the payload
+ */
+ void setPayloadSize(uint8_t size);
- /**
- * Non-blocking write to the open writing pipe
- *
- * Just like write(), but it returns immediately. To find out what happened
- * to the send, catch the IRQ and then call whatHappened().
- *
- * @see write()
- * @see writeFast()
- * @see startFastWrite()
- * @see whatHappened()
- *
- * For single noAck writes see:
- * @see enableDynamicAck()
- * @see setAutoAck()
- *
- * @param buf Pointer to the data to be sent
- * @param len Number of bytes to be sent
- * @param multicast Request ACK (0) or NOACK (1)
- *
- */
- void startWrite( const void* buf, uint8_t len, const bool multicast );
+ /**
+ * Get Static Payload Size
+ *
+ * @see setPayloadSize()
+ *
+ * @return The number of bytes in the payload
+ */
+ uint8_t getPayloadSize(void);
- /**
- * This function is mainly used internally to take advantage of the auto payload
- * re-use functionality of the chip, but can be beneficial to users as well.
- *
- * The function will instruct the radio to re-use the data in the FIFO buffers,
- * and instructs the radio to re-send once the timeout limit has been reached.
- * Used by writeFast and writeBlocking to initiate retries when a TX failure
- * occurs. Retries are automatically initiated except with the standard write().
- * This way, data is not flushed from the buffer until switching between modes.
- *
- * @note This is to be used AFTER auto-retry fails if wanting to resend
- * using the built-in payload reuse features.
- * After issuing reUseTX(), it will keep reending the same payload forever or until
- * a payload is written to the FIFO, or a flush_tx command is given.
- */
- void reUseTX();
-
- /**
- * Empty the transmit buffer. This is generally not required in standard operation.
- * May be required in specific cases after stopListening() , if operating at 250KBPS data rate.
- *
- * @return Current value of status register
- */
- uint8_t flush_tx(void);
+ /**
+ * Get Dynamic Payload Size
+ *
+ * For dynamic payloads, this pulls the size of the payload off
+ * the chip
+ *
+ * @note Corrupt packets are now detected and flushed per the
+ * manufacturer.
+ * @code
+ * if(radio.available()){
+ * if(radio.getDynamicPayloadSize() < 1){
+ * // Corrupt payload has been flushed
+ * return;
+ * }
+ * radio.read(&data,sizeof(data));
+ * }
+ * @endcode
+ *
+ * @return Payload length of last-received dynamic payload
+ */
+ uint8_t getDynamicPayloadSize(void);
- /**
- * Test whether there was a carrier on the line for the
- * previous listening period.
- *
- * Useful to check for interference on the current channel.
- *
- * @return true if was carrier, false if not
- */
- bool testCarrier(void);
-
- /**
- * Test whether a signal (carrier or otherwise) greater than
- * or equal to -64dBm is present on the channel. Valid only
- * on nRF24L01P (+) hardware. On nRF24L01, use testCarrier().
- *
- * Useful to check for interference on the current channel and
- * channel hopping strategies.
- *
- * @code
- * bool goodSignal = radio.testRPD();
- * if(radio.available()){
- * Serial.println(goodSignal ? "Strong signal > 64dBm" : "Weak signal < 64dBm" );
- * radio.read(0,0);
- * }
- * @endcode
- * @return true if signal => -64dBm, false if not
- */
- bool testRPD(void) ;
-
- /**
- * Test whether this is a real radio, or a mock shim for
- * debugging. Setting either pin to 0xff is the way to
- * indicate that this is not a real radio.
- *
- * @return true if this is a legitimate radio
- */
- bool isValid() {
- return ce_pin != 0xff && csn_pin != 0xff;
- }
-
- /**
- * Close a pipe after it has been previously opened.
- * Can be safely called without having previously opened a pipe.
- * @param pipe Which pipe # to close, 0-5.
- */
- void closeReadingPipe( uint8_t pipe ) ;
+ /**
+ * Enable custom payloads on the acknowledge packets
+ *
+ * Ack payloads are a handy way to return data back to senders without
+ * manually changing the radio modes on both units.
+ *
+ * @note Ack payloads are dynamic payloads. This only works on pipes 0&1 by default. Call
+ * enableDynamicPayloads() to enable on all pipes.
+ */
+ void enableAckPayload(void);
- /**
- * Enable error detection by un-commenting #define FAILURE_HANDLING in RF24_config.h
- * If a failure has been detected, it usually indicates a hardware issue. By default the library
- * will cease operation when a failure is detected.
- * This should allow advanced users to detect and resolve intermittent hardware issues.
- *
- * In most cases, the radio must be re-enabled via radio.begin(); and the appropriate settings
- * applied after a failure occurs, if wanting to re-enable the device immediately.
- *
- * Usage: (Failure handling must be enabled per above)
- * @code
- * if(radio.failureDetected){
- * radio.begin(); // Attempt to re-configure the radio with defaults
- * radio.failureDetected = 0; // Reset the detection value
- * radio.openWritingPipe(addresses[1]); // Re-configure pipe addresses
- * radio.openReadingPipe(1,addresses[0]);
- * report_failure(); // Blink leds, send a message, etc. to indicate failure
- * }
- * @endcode
- */
- //#if defined (FAILURE_HANDLING)
- bool failureDetected;
- //#endif
-
- /**@}*/
+ /**
+ * Enable dynamically-sized payloads
+ *
+ * This way you don't always have to send large packets just to send them
+ * once in a while. This enables dynamic payloads on ALL pipes.
+ *
+ */
+ void enableDynamicPayloads(void);
+
+ /**
+ * Disable dynamically-sized payloads
+ *
+ * This disables dynamic payloads on ALL pipes. Since Ack Payloads
+ * requires Dynamic Payloads, Ack Payloads are also disabled.
+ * If dynamic payloads are later re-enabled and ack payloads are desired
+ * then enableAckPayload() must be called again as well.
+ *
+ */
+ void disableDynamicPayloads(void);
+
+ /**
+ * Enable dynamic ACKs (single write multicast or unicast) for chosen messages
+ *
+ * @note To enable full multicast or per-pipe multicast, use setAutoAck()
+ *
+ * @warning This MUST be called prior to attempting single write NOACK calls
+ * @code
+ * radio.enableDynamicAck();
+ * radio.write(&data,32,1); // Sends a payload with no acknowledgement requested
+ * radio.write(&data,32,0); // Sends a payload using auto-retry/autoACK
+ * @endcode
+ */
+ void enableDynamicAck();
+
+ /**
+ * Determine whether the hardware is an nRF24L01+ or not.
+ *
+ * @return true if the hardware is nRF24L01+ (or compatible) and false
+ * if its not.
+ */
+ bool isPVariant(void) ;
- /**@}*/
- /**
- * @name Optional Configurators
- *
- * Methods you can use to get or set the configuration of the chip.
- * None are required. Calling begin() sets up a reasonable set of
- * defaults.
- */
- /**@{*/
-
- /**
- * Set the address width from 3 to 5 bytes (24, 32 or 40 bit)
- *
- * @param a_width The address width to use: 3,4 or 5
- */
-
- void setAddressWidth(uint8_t a_width);
-
- /**
- * Set the number and delay of retries upon failed submit
- *
- * @param delay How long to wait between each retry, in multiples of 250us,
- * max is 15. 0 means 250us, 15 means 4000us.
- * @param count How many retries before giving up, max 15
- */
- void setRetries(uint8_t delay, uint8_t count);
-
- /**
- * Set RF communication channel
- *
- * @param channel Which RF channel to communicate on, 0-125
- */
- void setChannel(uint8_t channel);
+ /**
+ * Enable or disable auto-acknowlede packets
+ *
+ * This is enabled by default, so it's only needed if you want to turn
+ * it off for some reason.
+ *
+ * @param enable Whether to enable (true) or disable (false) auto-acks
+ */
+ void setAutoAck(bool enable);
- /**
- * Get RF communication channel
- *
- * @return The currently configured RF Channel
- */
- uint8_t getChannel(void);
+ /**
+ * Enable or disable auto-acknowlede packets on a per pipeline basis.
+ *
+ * AA is enabled by default, so it's only needed if you want to turn
+ * it off/on for some reason on a per pipeline basis.
+ *
+ * @param pipe Which pipeline to modify
+ * @param enable Whether to enable (true) or disable (false) auto-acks
+ */
+ void setAutoAck( uint8_t pipe, bool enable ) ;
- /**
- * Set Static Payload Size
- *
- * This implementation uses a pre-stablished fixed payload size for all
- * transmissions. If this method is never called, the driver will always
- * transmit the maximum payload size (32 bytes), no matter how much
- * was sent to write().
- *
- * @todo Implement variable-sized payloads feature
- *
- * @param size The number of bytes in the payload
- */
- void setPayloadSize(uint8_t size);
-
- /**
- * Get Static Payload Size
- *
- * @see setPayloadSize()
- *
- * @return The number of bytes in the payload
- */
- uint8_t getPayloadSize(void);
+ /**
+ * Set Power Amplifier (PA) level to one of four levels:
+ * RF24_PA_MIN, RF24_PA_LOW, RF24_PA_HIGH and RF24_PA_MAX
+ *
+ * The power levels correspond to the following output levels respectively:
+ * NRF24L01: -18dBm, -12dBm,-6dBM, and 0dBm
+ *
+ * SI24R1: -6dBm, 0dBm, 3dBM, and 7dBm.
+ *
+ * @param level Desired PA level.
+ */
+ void setPALevel ( uint8_t level );
- /**
- * Get Dynamic Payload Size
- *
- * For dynamic payloads, this pulls the size of the payload off
- * the chip
- *
- * @note Corrupt packets are now detected and flushed per the
- * manufacturer.
- * @code
- * if(radio.available()){
- * if(radio.getDynamicPayloadSize() < 1){
- * // Corrupt payload has been flushed
- * return;
- * }
- * radio.read(&data,sizeof(data));
- * }
- * @endcode
- *
- * @return Payload length of last-received dynamic payload
- */
- uint8_t getDynamicPayloadSize(void);
+ /**
+ * Fetches the current PA level.
+ *
+ * NRF24L01: -18dBm, -12dBm, -6dBm and 0dBm
+ * SI24R1: -6dBm, 0dBm, 3dBm, 7dBm
+ *
+ * @return Returns values 0 to 3 representing the PA Level.
+ */
+ uint8_t getPALevel( void );
- /**
- * Enable custom payloads on the acknowledge packets
- *
- * Ack payloads are a handy way to return data back to senders without
- * manually changing the radio modes on both units.
- *
- * @note Ack payloads are dynamic payloads. This only works on pipes 0&1 by default. Call
- * enableDynamicPayloads() to enable on all pipes.
- */
- void enableAckPayload(void);
-
- /**
- * Enable dynamically-sized payloads
- *
- * This way you don't always have to send large packets just to send them
- * once in a while. This enables dynamic payloads on ALL pipes.
- *
- */
- void enableDynamicPayloads(void);
+ /**
+ * Set the transmission data rate
+ *
+ * @warning setting RF24_250KBPS will fail for non-plus units
+ *
+ * @param speed RF24_250KBPS for 250kbs, RF24_1MBPS for 1Mbps, or RF24_2MBPS for 2Mbps
+ * @return true if the change was successful
+ */
+ bool setDataRate(rf24_datarate_e speed);
- /**
- * Enable dynamic ACKs (single write multicast or unicast) for chosen messages
- *
- * @note To enable full multicast or per-pipe multicast, use setAutoAck()
- *
- * @warning This MUST be called prior to attempting single write NOACK calls
- * @code
- * radio.enableDynamicAck();
- * radio.write(&data,32,1); // Sends a payload with no acknowledgement requested
- * radio.write(&data,32,0); // Sends a payload using auto-retry/autoACK
- * @endcode
- */
- void enableDynamicAck();
+ /**
+ * Fetches the transmission data rate
+ *
+ * @return Returns the hardware's currently configured datarate. The value
+ * is one of 250kbs, RF24_1MBPS for 1Mbps, or RF24_2MBPS, as defined in the
+ * rf24_datarate_e enum.
+ */
+ rf24_datarate_e getDataRate( void ) ;
- /**
- * Determine whether the hardware is an nRF24L01+ or not.
- *
- * @return true if the hardware is nRF24L01+ (or compatible) and false
- * if its not.
- */
- bool isPVariant(void) ;
+ /**
+ * Set the CRC length
+ * <br>CRC checking cannot be disabled if auto-ack is enabled
+ * @param length RF24_CRC_8 for 8-bit or RF24_CRC_16 for 16-bit
+ */
+ void setCRCLength(rf24_crclength_e length);
- /**
- * Enable or disable auto-acknowlede packets
- *
- * This is enabled by default, so it's only needed if you want to turn
- * it off for some reason.
- *
- * @param enable Whether to enable (true) or disable (false) auto-acks
- */
- void setAutoAck(bool enable);
-
- /**
- * Enable or disable auto-acknowlede packets on a per pipeline basis.
- *
- * AA is enabled by default, so it's only needed if you want to turn
- * it off/on for some reason on a per pipeline basis.
- *
- * @param pipe Which pipeline to modify
- * @param enable Whether to enable (true) or disable (false) auto-acks
- */
- void setAutoAck( uint8_t pipe, bool enable ) ;
+ /**
+ * Get the CRC length
+ * <br>CRC checking cannot be disabled if auto-ack is enabled
+ * @return RF24_CRC_DISABLED if disabled or RF24_CRC_8 for 8-bit or RF24_CRC_16 for 16-bit
+ */
+ rf24_crclength_e getCRCLength(void);
- /**
- * Set Power Amplifier (PA) level to one of four levels:
- * RF24_PA_MIN, RF24_PA_LOW, RF24_PA_HIGH and RF24_PA_MAX
- *
- * The power levels correspond to the following output levels respectively:
- * NRF24L01: -18dBm, -12dBm,-6dBM, and 0dBm
- *
- * SI24R1: -6dBm, 0dBm, 3dBM, and 7dBm.
- *
- * @param level Desired PA level.
- */
- void setPALevel ( uint8_t level );
-
- /**
- * Fetches the current PA level.
- *
- * NRF24L01: -18dBm, -12dBm, -6dBm and 0dBm
- * SI24R1: -6dBm, 0dBm, 3dBm, 7dBm
- *
- * @return Returns values 0 to 3 representing the PA Level.
- */
- uint8_t getPALevel( void );
-
- /**
- * Set the transmission data rate
- *
- * @warning setting RF24_250KBPS will fail for non-plus units
- *
- * @param speed RF24_250KBPS for 250kbs, RF24_1MBPS for 1Mbps, or RF24_2MBPS for 2Mbps
- * @return true if the change was successful
- */
- bool setDataRate(rf24_datarate_e speed);
+ /**
+ * Disable CRC validation
+ *
+ * @warning CRC cannot be disabled if auto-ack/ESB is enabled.
+ */
+ void disableCRC( void ) ;
- /**
- * Fetches the transmission data rate
- *
- * @return Returns the hardware's currently configured datarate. The value
- * is one of 250kbs, RF24_1MBPS for 1Mbps, or RF24_2MBPS, as defined in the
- * rf24_datarate_e enum.
- */
- rf24_datarate_e getDataRate( void ) ;
-
- /**
- * Set the CRC length
- * <br>CRC checking cannot be disabled if auto-ack is enabled
- * @param length RF24_CRC_8 for 8-bit or RF24_CRC_16 for 16-bit
- */
- void setCRCLength(rf24_crclength_e length);
-
- /**
- * Get the CRC length
- * <br>CRC checking cannot be disabled if auto-ack is enabled
- * @return RF24_DISABLED if disabled or RF24_CRC_8 for 8-bit or RF24_CRC_16 for 16-bit
- */
- rf24_crclength_e getCRCLength(void);
+ /**
+ * The radio will generate interrupt signals when a transmission is complete,
+ * a transmission fails, or a payload is received. This allows users to mask
+ * those interrupts to prevent them from generating a signal on the interrupt
+ * pin. Interrupts are enabled on the radio chip by default.
+ *
+ * @code
+ * Mask all interrupts except the receive interrupt:
+ *
+ * radio.maskIRQ(1,1,0);
+ * @endcode
+ *
+ * @param tx_ok Mask transmission complete interrupts
+ * @param tx_fail Mask transmit failure interrupts
+ * @param rx_ready Mask payload received interrupts
+ */
+ void maskIRQ(bool tx_ok,bool tx_fail,bool rx_ready);
+
+ /**
+ *
+ * The driver will delay for this duration when stopListening() is called
+ *
+ * When responding to payloads, faster devices like ARM(RPi) are much faster than Arduino:
+ * 1. Arduino sends data to RPi, switches to RX mode
+ * 2. The RPi receives the data, switches to TX mode and sends before the Arduino radio is in RX mode
+ * 3. If AutoACK is disabled, this can be set as low as 0. If AA/ESB enabled, set to 100uS minimum on RPi
+ *
+ * @warning If set to 0, ensure 130uS delay after stopListening() and before any sends
+ */
+
+ uint32_t txDelay;
- /**
- * Disable CRC validation
- *
- * @warning CRC cannot be disabled if auto-ack/ESB is enabled.
- */
- void disableCRC( void ) ;
-
- /**
- * The radio will generate interrupt signals when a transmission is complete,
- * a transmission fails, or a payload is received. This allows users to mask
- * those interrupts to prevent them from generating a signal on the interrupt
- * pin. Interrupts are enabled on the radio chip by default.
- *
- * @code
- * Mask all interrupts except the receive interrupt:
- *
- * radio.maskIRQ(1,1,0);
- * @endcode
- *
- * @param tx_ok Mask transmission complete interrupts
- * @param tx_fail Mask transmit failure interrupts
- * @param rx_ready Mask payload received interrupts
- */
- void maskIRQ(bool tx_ok,bool tx_fail,bool rx_ready);
-
- /**@}*/
- /**
- * @name Deprecated
- *
- * Methods provided for backwards compabibility.
- */
- /**@{*/
+ /**
+ *
+ * On all devices but Linux and ATTiny, a small delay is added to the CSN toggling function
+ *
+ * This is intended to minimise the speed of SPI polling due to radio commands
+ *
+ * If using interrupts or timed requests, this can be set to 0 Default:5
+ */
+
+ uint32_t csDelay;
+
+ /**@}*/
+ /**
+ * @name Deprecated
+ *
+ * Methods provided for backwards compabibility.
+ */
+ /**@{*/
- /**
- * Open a pipe for reading
- * @note For compatibility with old code only, see new function
- *
- * @warning Pipes 1-5 should share the first 32 bits.
- * Only the least significant byte should be unique, e.g.
- * @code
- * openReadingPipe(1,0xF0F0F0F0AA);
- * openReadingPipe(2,0xF0F0F0F066);
- * @endcode
- *
- * @warning Pipe 0 is also used by the writing pipe. So if you open
- * pipe 0 for reading, and then startListening(), it will overwrite the
- * writing pipe. Ergo, do an openWritingPipe() again before write().
- *
- * @param number Which pipe# to open, 0-5.
- * @param address The 40-bit address of the pipe to open.
- */
- void openReadingPipe(uint8_t number, uint64_t address);
+ /**
+ * Open a pipe for reading
+ * @note For compatibility with old code only, see new function
+ *
+ * @warning Pipes 1-5 should share the first 32 bits.
+ * Only the least significant byte should be unique, e.g.
+ * @code
+ * openReadingPipe(1,0xF0F0F0F0AA);
+ * openReadingPipe(2,0xF0F0F0F066);
+ * @endcode
+ *
+ * @warning Pipe 0 is also used by the writing pipe. So if you open
+ * pipe 0 for reading, and then startListening(), it will overwrite the
+ * writing pipe. Ergo, do an openWritingPipe() again before write().
+ *
+ * @param number Which pipe# to open, 0-5.
+ * @param address The 40-bit address of the pipe to open.
+ */
+ void openReadingPipe(uint8_t number, uint64_t address);
- /**
- * Open a pipe for writing
- * @note For compatibility with old code only, see new function
- *
- * Addresses are 40-bit hex values, e.g.:
- *
- * @code
- * openWritingPipe(0xF0F0F0F0F0);
- * @endcode
- *
- * @param address The 40-bit address of the pipe to open.
- */
- void openWritingPipe(uint64_t address);
+ /**
+ * Open a pipe for writing
+ * @note For compatibility with old code only, see new function
+ *
+ * Addresses are 40-bit hex values, e.g.:
+ *
+ * @code
+ * openWritingPipe(0xF0F0F0F0F0);
+ * @endcode
+ *
+ * @param address The 40-bit address of the pipe to open.
+ */
+ void openWritingPipe(uint64_t address);
+
+ /**
+ * Empty the receive buffer
+ *
+ * @return Current value of status register
+ */
+ uint8_t flush_rx(void);
private:
- /**
- * @name Low-level internal interface.
- *
- * Protected methods that address the chip directly. Regular users cannot
- * ever call these. They are documented for completeness and for developers who
- * may want to extend this class.
- */
- /**@{*/
+ /**
+ * @name Low-level internal interface.
+ *
+ * Protected methods that address the chip directly. Regular users cannot
+ * ever call these. They are documented for completeness and for developers who
+ * may want to extend this class.
+ */
+ /**@{*/
- /**
- * Set chip select pin
- *
- * Running SPI bus at PI_CLOCK_DIV2 so we don't waste time transferring data
- * and best of all, we make use of the radio's FIFO buffers. A lower speed
- * means we're less likely to effectively leverage our FIFOs and pay a higher
- * AVR runtime cost as toll.
- *
- * @param level HIGH to actively begin transmission or LOW to put in standby. Please see data sheet
- * for a much more detailed description of this pin.
- */
- void csn(int mode);
+ /**
+ * Set chip select pin
+ *
+ * Running SPI bus at PI_CLOCK_DIV2 so we don't waste time transferring data
+ * and best of all, we make use of the radio's FIFO buffers. A lower speed
+ * means we're less likely to effectively leverage our FIFOs and pay a higher
+ * AVR runtime cost as toll.
+ *
+ * @param mode HIGH to take this unit off the SPI bus, LOW to put it on
+ */
+ void csn(bool mode);
- /**
- * Set chip enable
- *
- * @param mode HIGH to take this unit off the SPI bus, LOW to put it on
- */
- void ce(int level);
+ /**
+ * Set chip enable
+ *
+ * @param level HIGH to actively begin transmission or LOW to put in standby. Please see data sheet
+ * for a much more detailed description of this pin.
+ */
+ void ce(bool level);
- /**
- * Read a chunk of data in from a register
- *
- * @param reg Which register. Use constants from nRF24L01.h
- * @param buf Where to put the data
- * @param len How many bytes of data to transfer
- * @return Current value of status register
- */
- uint8_t read_register(uint8_t reg, uint8_t* buf, uint8_t len);
+ /**
+ * Read a chunk of data in from a register
+ *
+ * @param reg Which register. Use constants from nRF24L01.h
+ * @param buf Where to put the data
+ * @param len How many bytes of data to transfer
+ * @return Current value of status register
+ */
+ uint8_t read_register(uint8_t reg, uint8_t* buf, uint8_t len);
- /**
- * Read single byte from a register
- *
- * @param reg Which register. Use constants from nRF24L01.h
- * @return Current value of register @p reg
- */
- uint8_t read_register(uint8_t reg);
+ /**
+ * Read single byte from a register
+ *
+ * @param reg Which register. Use constants from nRF24L01.h
+ * @return Current value of register @p reg
+ */
+ uint8_t read_register(uint8_t reg);
- /**
- * Write a chunk of data to a register
- *
- * @param reg Which register. Use constants from nRF24L01.h
- * @param buf Where to get the data
- * @param len How many bytes of data to transfer
- * @return Current value of status register
- */
- uint8_t write_register(uint8_t reg, const uint8_t* buf, uint8_t len);
+ /**
+ * Write a chunk of data to a register
+ *
+ * @param reg Which register. Use constants from nRF24L01.h
+ * @param buf Where to get the data
+ * @param len How many bytes of data to transfer
+ * @return Current value of status register
+ */
+ uint8_t write_register(uint8_t reg, const uint8_t* buf, uint8_t len);
- /**
- * Write a single byte to a register
- *
- * @param reg Which register. Use constants from nRF24L01.h
- * @param value The new value to write
- * @return Current value of status register
- */
- uint8_t write_register(uint8_t reg, uint8_t value);
+ /**
+ * Write a single byte to a register
+ *
+ * @param reg Which register. Use constants from nRF24L01.h
+ * @param value The new value to write
+ * @return Current value of status register
+ */
+ uint8_t write_register(uint8_t reg, uint8_t value);
- /**
- * Write the transmit payload
- *
- * The size of data written is the fixed payload size, see getPayloadSize()
- *
- * @param buf Where to get the data
- * @param len Number of bytes to be sent
- * @return Current value of status register
- */
- uint8_t write_payload(const void* buf, uint8_t len, const uint8_t writeType);
+ /**
+ * Write the transmit payload
+ *
+ * The size of data written is the fixed payload size, see getPayloadSize()
+ *
+ * @param buf Where to get the data
+ * @param len Number of bytes to be sent
+ * @return Current value of status register
+ */
+ uint8_t write_payload(const void* buf, uint8_t len, const uint8_t writeType);
- /**
- * Read the receive payload
- *
- * The size of data read is the fixed payload size, see getPayloadSize()
- *
- * @param buf Where to put the data
- * @param len Maximum number of bytes to read
- * @return Current value of status register
- */
- uint8_t read_payload(void* buf, uint8_t len);
+ /**
+ * Read the receive payload
+ *
+ * The size of data read is the fixed payload size, see getPayloadSize()
+ *
+ * @param buf Where to put the data
+ * @param len Maximum number of bytes to read
+ * @return Current value of status register
+ */
+ uint8_t read_payload(void* buf, uint8_t len);
- /**
- * Empty the receive buffer
- *
- * @return Current value of status register
- */
- uint8_t flush_rx(void);
+ /**
+ * Retrieve the current status of the chip
+ *
+ * @return Current value of status register
+ */
+ uint8_t get_status(void);
- /**
- * Retrieve the current status of the chip
- *
- * @return Current value of status register
- */
- uint8_t get_status(void);
+ #if !defined (MINIMAL)
+ /**
+ * Decode and print the given status to stdout
+ *
+ * @param status Status value to print
+ *
+ * @warning Does nothing if stdout is not defined. See fdevopen in stdio.h
+ */
+ void print_status(uint8_t status);
-#if !defined (MINIMAL)
- /**
- * Decode and print the given status to stdout
- *
- * @param status Status value to print
- *
- * @warning Does nothing if stdout is not defined. See fdevopen in stdio.h
- */
- void print_status(uint8_t status);
-
- /**
- * Decode and print the given 'observe_tx' value to stdout
- *
- * @param value The observe_tx value to print
- *
- * @warning Does nothing if stdout is not defined. See fdevopen in stdio.h
- */
- void print_observe_tx(uint8_t value);
+ /**
+ * Decode and print the given 'observe_tx' value to stdout
+ *
+ * @param value The observe_tx value to print
+ *
+ * @warning Does nothing if stdout is not defined. See fdevopen in stdio.h
+ */
+ void print_observe_tx(uint8_t value);
- /**
- * Print the name and value of an 8-bit register to stdout
- *
- * Optionally it can print some quantity of successive
- * registers on the same line. This is useful for printing a group
- * of related registers on one line.
- *
- * @param name Name of the register
- * @param reg Which register. Use constants from nRF24L01.h
- * @param qty How many successive registers to print
- */
- void print_byte_register(const char* name, uint8_t reg, uint8_t qty = 1);
+ /**
+ * Print the name and value of an 8-bit register to stdout
+ *
+ * Optionally it can print some quantity of successive
+ * registers on the same line. This is useful for printing a group
+ * of related registers on one line.
+ *
+ * @param name Name of the register
+ * @param reg Which register. Use constants from nRF24L01.h
+ * @param qty How many successive registers to print
+ */
+ void print_byte_register(const char* name, uint8_t reg, uint8_t qty = 1);
- /**
- * Print the name and value of a 40-bit address register to stdout
- *
- * Optionally it can print some quantity of successive
- * registers on the same line. This is useful for printing a group
- * of related registers on one line.
- *
- * @param name Name of the register
- * @param reg Which register. Use constants from nRF24L01.h
- * @param qty How many successive registers to print
- */
- void print_address_register(const char* name, uint8_t reg, uint8_t qty = 1);
+ /**
+ * Print the name and value of a 40-bit address register to stdout
+ *
+ * Optionally it can print some quantity of successive
+ * registers on the same line. This is useful for printing a group
+ * of related registers on one line.
+ *
+ * @param name Name of the register
+ * @param reg Which register. Use constants from nRF24L01.h
+ * @param qty How many successive registers to print
+ */
+ void print_address_register(const char* name, uint8_t reg, uint8_t qty = 1);
#endif
- /**
- * Turn on or off the special features of the chip
- *
- * The chip has certain 'features' which are only available when the 'features'
- * are enabled. See the datasheet for details.
- */
- void toggle_features(void);
+ /**
+ * Turn on or off the special features of the chip
+ *
+ * The chip has certain 'features' which are only available when the 'features'
+ * are enabled. See the datasheet for details.
+ */
+ void toggle_features(void);
- /**
- * Built in spi transfer function to simplify repeating code repeating code
- */
-
- uint8_t spiTrans(uint8_t cmd);
+ /**
+ * Built in spi transfer function to simplify repeating code repeating code
+ */
-#if defined (FAILURE_HANDLING)
+ uint8_t spiTrans(uint8_t cmd);
+
+ #if defined (FAILURE_HANDLING) || defined (RF24_LINUX)
void errNotify(void);
-#endif
-
- /**@}*/
+ #endif
+
+ /**@}*/
};
#endif // __RF24_H__
-
diff -r 836f5c6da243 -r 15a3bbf90fe9 RF24_config.h
--- a/RF24_config.h Mon Mar 28 18:13:17 2016 +0000
+++ b/RF24_config.h Fri Oct 06 20:20:33 2017 +0000
@@ -6,9 +6,9 @@
modify it under the terms of the GNU General Public License
version 2 as published by the Free Software Foundation.
*/
-
-/* spaniakos <spaniakos@gmail.com>
- Added __ARDUINO_X86__ support
+
+ /* spaniakos <spaniakos@gmail.com>
+ Added __ARDUINO_X86__ support
*/
#ifndef __RF24_CONFIG_H__
@@ -16,29 +16,51 @@
#include <stdint.h>
-#define rf24_max(a,b) (a>b?a:b)
-#define rf24_min(a,b) (a<b?a:b)
-
-#define RF24_SPI_TRANSACTIONS
+ /*** USER DEFINES: ***/
+ //#define FAILURE_HANDLING
+ //#define SERIAL_DEBUG
+ //#define MINIMAL
+
+ /**********************/
+ #define rf24_max(a,b) (a>b?a:b)
+ #define rf24_min(a,b) (a<b?a:b)
-// RF modules support 10 Mhz SPI bus speed
-const uint32_t RF24_SPI_SPEED = 8000000;
-
-//typedef char const char;
+ #if defined SPI_HAS_TRANSACTION && !defined SPI_UART && !defined SOFTSPI
+ #define RF24_SPI_TRANSACTIONS
+ #endif
+
-typedef uint16_t prog_uint16_t;
-#define PSTR(x) (x)
-#define printf_P printf
-#define strlen_P strlen
-#define PROGMEM
-#define pgm_read_byte(addr) (*(const unsigned char *)(addr))
-#define pgm_read_word(p) (*(p))
+ #define RF24_MBED
+
+ #define HIGH 1
+ #define LOW 0
+
+ // Define _BV for non-Arduino platforms and for Arduino DUE
+ #include <stdint.h>
+ #include <stdio.h>
+ #include <string.h>
+
+ #define _BV(x) (1<<(x))
-#define PRIPSTR "%s"
+ #ifdef SERIAL_DEBUG
+ #define IF_SERIAL_DEBUG(x) ({x;})
+ #else
+ #define IF_SERIAL_DEBUG(x)
+ #endif
+
+ #define PSTR(x) (x)
+ //#define printf Serial.printf
+ //#define sprintf(...) os_sprintf( __VA_ARGS__ )
+ #define printf_P printf
+ #define strlen_P strlen
+ #define PROGMEM
+ #define pgm_read_byte(addr) (*(const unsigned char *)(addr))
+ #define pgm_read_word(p) (*(p))
+ #define PRIPSTR "%s"
-#define HIGH 1
-#define LOW 0
-#define _BV(n) (1 << n)
+ #define millis() (us_ticker_read() / 1000)
+ #define delay(t) wait_ms(t)
+ #define delayMicroseconds(t) wait_us(t)
#endif // __RF24_CONFIG_H__
diff -r 836f5c6da243 -r 15a3bbf90fe9 nRF24L01.h --- a/nRF24L01.h Mon Mar 28 18:13:17 2016 +0000 +++ b/nRF24L01.h Fri Oct 06 20:20:33 2017 +0000 @@ -24,7 +24,7 @@ */ /* Memory Map */ -#define CONFIG 0x00 +#define NRF_CONFIG 0x00 #define EN_AA 0x01 #define EN_RXADDR 0x02 #define SETUP_AW 0x03