Akash Vibhute
Maniacbug's RF24 arduino library ported to mbed. Tested, it works for Nucleo F411
Dependents: RF24Network_Send RF24Network_Receive WeatherStation maple_chotobot_rf_motores ... more
Diff: RF24.cpp
- Revision:
- 6:5cc7136648d1
- Parent:
- 5:ee34c2837c4c
- Child:
- 8:b70b1d82f1d7
--- a/RF24.cpp Tue Feb 23 00:40:33 2016 +0000
+++ b/RF24.cpp Thu Apr 21 04:10:58 2016 +0000
@@ -5,15 +5,16 @@
modify it under the terms of the GNU General Public License
version 2 as published by the Free Software Foundation.
*/
-
+
/*
* Mbed support added by Akash Vibhute <akash.roboticist@gmail.com>
* Porting completed on Nov/05/2015
*
- * Updated with TMRh20's RF24 library on Nov/04/2015 from https://github.com/TMRh20
+ * Updated 1: Synced with TMRh20's RF24 library on Nov/04/2015 from https://github.com/TMRh20
+ * Updated 2: Synced with TMRh20's RF24 library on Apr/18/2015 from https://github.com/TMRh20
*
*/
-
+
#include "nRF24L01.h"
#include "RF24_config.h"
#include "RF24.h"
@@ -22,182 +23,350 @@
void RF24::csn(bool mode)
{
- csn_pin = mode;
- wait_us(5);
+
+ csn_pin = mode;
+
+
+
+
+
+
+
+
+
+
+
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+
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+
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+
+
+
+
+
+
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+
+
+
+
+
+
+
+
+
+
}
/****************************************************************************/
void RF24::ce(bool level)
{
- ce_pin = level;
+ ce_pin = level;
+
}
/****************************************************************************/
-inline void RF24::beginTransaction()
-{
- csn_pin=LOW;
-}
+ inline void RF24::beginTransaction() {
+
+
+ csn(LOW);
+ }
/****************************************************************************/
-inline void RF24::endTransaction()
-{
- csn_pin=HIGH;
-}
+ inline void RF24::endTransaction() {
+ csn(HIGH);
+
+
+
+ }
/****************************************************************************/
uint8_t RF24::read_register(uint8_t reg, uint8_t* buf, uint8_t len)
{
- uint8_t status;
+ uint8_t status;
- beginTransaction();
- status = spi.write( R_REGISTER | ( REGISTER_MASK & reg ) );
- while ( len-- )
- *buf++ = spi.write(0xff);
- endTransaction();
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
- return status;
+ beginTransaction();
+ status = spi.write( R_REGISTER | ( REGISTER_MASK & reg ) );
+ while ( len-- ){
+ *buf++ = spi.write(0xff);
+ }
+ endTransaction();
+
+
+
+ return status;
}
/****************************************************************************/
uint8_t RF24::read_register(uint8_t reg)
{
- uint8_t result;
+ uint8_t result;
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
- beginTransaction();
- spi.write( R_REGISTER | ( REGISTER_MASK & reg ) );
- result = spi.write(0xff);
- endTransaction();
+ beginTransaction();
+ spi.write( R_REGISTER | ( REGISTER_MASK & reg ) );
+ result = spi.write(0xff);
+ endTransaction();
- return result;
+
+
+ return result;
}
/****************************************************************************/
uint8_t RF24::write_register(uint8_t reg, const uint8_t* buf, uint8_t len)
{
- uint8_t status;
+ uint8_t status;
- beginTransaction();
- status = spi.write( W_REGISTER | ( REGISTER_MASK & reg ) );
- while ( len-- )
- spi.write(*buf++);
- endTransaction();
+
+
+
+
+
+
+
+
+
+
+
+
+
+
- return status;
+ beginTransaction();
+ status = spi.write( W_REGISTER | ( REGISTER_MASK & reg ) );
+ while ( len-- )
+ spi.write(*buf++);
+ endTransaction();
+
+
+
+ return status;
}
/****************************************************************************/
uint8_t RF24::write_register(uint8_t reg, uint8_t value)
{
- uint8_t status;
+ uint8_t status;
- IF_SERIAL_DEBUG(printf(PSTR("write_register(%02x,%02x)\r\n"),reg,value));
+ IF_SERIAL_DEBUG(printf_P(PSTR("write_register(%02x,%02x)\r\n"),reg,value));
- beginTransaction();
- status = spi.write( W_REGISTER | ( REGISTER_MASK & reg ) );
- spi.write(value);
- endTransaction();
+
+
+
+
+
+
+
+
+
+
+
- return status;
+ beginTransaction();
+ status = spi.write( W_REGISTER | ( REGISTER_MASK & reg ) );
+ spi.write(value);
+ endTransaction();
+
+
+
+ return status;
}
/****************************************************************************/
-uint8_t RF24::write_payload(const void* buf, uint8_t len, const uint8_t writeType)
+
+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);
-
- uint8_t data_len = rf24_min(len, payload_size);
- uint8_t blank_len = dynamic_payloads_enabled ? 0 : payload_size - data_len;
-
- IF_SERIAL_DEBUG( printf("[Writing %u bytes %u blanks]\n",data_len,blank_len); );
+ uint8_t status;
+ const uint8_t* current = reinterpret_cast<const uint8_t*>(buf);
- beginTransaction();
- 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); );
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
- endTransaction();
+ beginTransaction();
+ status = spi.write( writeType );
+ while ( data_len-- ) {
+ spi.write(*current++);
+ }
+ while ( blank_len-- ) {
+ spi.write(0);
+ }
+ 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;
-
- IF_SERIAL_DEBUG( printf("[Reading %u bytes %u blanks]\n",data_len,blank_len); );
+ 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);
- beginTransaction();
- status = spi.write( R_RX_PAYLOAD );
- while ( data_len-- )
- *current++ = spi.write(0xff);
- while ( blank_len-- )
- spi.write(0xff);
- endTransaction();
+ IF_SERIAL_DEBUG( printf("[Reading %u bytes %u blanks]\n",data_len,blank_len); );
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
- return status;
+ beginTransaction();
+ status = spi.write( R_RX_PAYLOAD );
+ while ( data_len-- ) {
+ *current++ = spi.write(0xFF);
+ }
+ while ( blank_len-- ) {
+ spi.write(0xff);
+ }
+ endTransaction();
+
+
+
+ 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){
- 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(("STATUS\t\t = 0x%02x RX_DR=%x TX_DS=%x MAX_RT=%x RX_P_NO=%x TX_FULL=%x\r\n"),
+ 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) & 7),
+ ((status >> RX_P_NO) & 0b111),
(status & _BV(TX_FULL))?1:0
);
}
@@ -206,10 +375,10 @@
void RF24::print_observe_tx(uint8_t value)
{
- printf(("OBSERVE_TX=%02x: POLS_CNT=%x ARC_CNT=%x\r\n"),
+ printf_P(PSTR("OBSERVE_TX=%02x: POLS_CNT=%x ARC_CNT=%x\r\n"),
value,
- ((value >> PLOS_CNT) & 15),
- ((value >> ARC_CNT) & 15)
+ (value >> PLOS_CNT) & 0b1111,
+ (value >> ARC_CNT) & 0b1111
);
}
@@ -217,48 +386,54 @@
void RF24::print_byte_register(const char* name, uint8_t reg, uint8_t qty)
{
- printf("%s =",name);
- while (qty--)
- printf_P(PSTR(" 0x%02x"),read_register(reg++));
- printf_P(PSTR("\r\n"));
-
+ //char extra_tab = strlen_P(name) < 8 ? '\t' : 0;
+ //printf_P(PSTR(PRIPSTR"\t%c ="),name,extra_tab);
+
+
+
+ printf_P(PSTR(PRIPSTR"\t ="),name);
+
+ while (qty--)
+ printf_P(PSTR(" 0x%02x"),read_register(reg++));
+ printf_P(PSTR("\r\n"));
}
/****************************************************************************/
void RF24::print_address_register(const char* name, uint8_t reg, uint8_t qty)
{
- printf_P(PSTR(PRIPSTR"\t ="),name);
-
- 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(PRIPSTR"\t ="),name);
+
+ while (qty--)
+ {
+ uint8_t buffer[addr_width];
+ read_register(reg++,buffer,sizeof buffer);
- printf_P(PSTR("\r\n"));
+ printf_P(PSTR(" 0x"));
+ uint8_t* bufptr = buffer + sizeof buffer;
+ while( --bufptr >= buffer )
+ printf_P(PSTR("%02x"),*bufptr);
+ }
+ printf_P(PSTR("\r\n"));
}
#endif
/****************************************************************************/
-
RF24::RF24(PinName mosi, PinName miso, PinName sck, PinName _cepin, PinName _csnpin):
- ce_pin(_cepin), csn_pin(_csnpin), p_variant(false),
- payload_size(32), dynamic_payloads_enabled(false), addr_width(5), spi(mosi, miso, sck)
+ spi(mosi, miso, sck), ce_pin(_cepin), csn_pin(_csnpin), p_variant(true),
+ payload_size(32), dynamic_payloads_enabled(false), addr_width(5)
{
- pipe0_reading_address[0]=0;
- spi.frequency(10000000/5); // 2Mbit, 1/5th the maximum transfer rate for the spi bus
- spi.format(8,0); // 8-bit, ClockPhase = 0, ClockPolarity = 0
-
- DigitalOut ce_pin(_cepin); /**< "Chip Enable" pin, activates the RX or TX role */
- DigitalOut csn_pin(_csnpin); /**< SPI Chip select */
-
- wait_ms(100);
-
+ pipe0_reading_address[0]=0;
+
+ //spi.frequency(10000000/5); // 2Mbit, 1/5th the maximum transfer rate for the spi bus
+ spi.frequency(10000000);
+ //spi.format(8,0); // 8-bit, ClockPhase = 0, ClockPolarity = 0
+ spi.format(8,0);
+ wait_ms(10);
}
@@ -272,26 +447,27 @@
void RF24::setChannel(uint8_t channel)
{
- const uint8_t max_channel = 127;
- 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;
}
/****************************************************************************/
@@ -302,55 +478,101 @@
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_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_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);
- 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()]));
+ 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()]));
}
@@ -359,130 +581,187 @@
bool RF24::begin(void)
{
- uint8_t setup=0;
+
+ uint8_t setup=0;
+
+ mainTimer.start();
+
+ ce(LOW);
+ csn(HIGH);
+
+ wait_ms(100);
+
+
+
+
- mainTimer.start();
+
+
+
+
+
+
- ce_pin=LOW;
- csn_pin=HIGH;
+
+
+
+
+
+
- // 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, 12 ) ;
+
+
+
+
+
+
- // 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 ) ;
+ // 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 ) ;
- // 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 ;
- }*/
+ // Reset NRF_CONFIG and enable 16-bit CRC.
+ write_register( NRF_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 ) ;
- // 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 ) ;
+ // 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 ) ;
+ setDataRate( RF24_2MBPS ) ;
- // Disable dynamic payloads, to match dynamic_payloads_enabled setting - Reset value is 0
- toggle_features();
- write_register(FEATURE,0 );
- write_register(DYNPD,0);
+ // Initialize CRC and request 2-byte (16bit) CRC
+ //setCRCLength( RF24_CRC_16 ) ;
- // 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) );
+ // 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);
+ // 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();
+ // Flush buffers
+ flush_rx();
+ flush_tx();
- powerUp(); //Power up by default when begin() is called
+ 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 );
+ // 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) );
+ printDetails();
+ // if setup is 0 or ff then there was no response from module
+ return ( setup != 0 && setup != 0xff );
}
/****************************************************************************/
void RF24::startListening(void)
{
- write_register(CONFIG, read_register(CONFIG) | _BV(PRIM_RX));
- write_register(NRF_STATUS, _BV(RX_DR) | _BV(TX_DS) | _BV(MAX_RT) );
- ce(true);
- // 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(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);
+ }
- // 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();
+ }
- //wait_us(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_pin=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) );
+ wait_us(txRxDelay);
+
+ if(read_register(FEATURE) & _BV(EN_ACK_PAY)){
+ wait_us(txRxDelay); //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);
- write_register(EN_RXADDR,read_register(EN_RXADDR) | _BV(pgm_read_byte(&child_pipe_enable[0]))); // Enable RX on pipe0
-
- //wait_us(100);
}
/****************************************************************************/
void RF24::powerDown(void)
{
- ce(false); // 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));
}
/****************************************************************************/
@@ -490,31 +769,30 @@
//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()
-{
-#if defined (SERIAL_DEBUG)
- printf_P(PSTR("RF24 HARDWARE FAIL: Radio not responding, verify pin connections, wiring, etc.\r\n"));
-#endif
-#if defined (FAILURE_HANDLING)
- failureDetected = 1;
-#else
- wait_ms(5000);
-#endif
+#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
+ wait_ms(5000);
+ #endif
}
#endif
/******************************************************************/
@@ -522,129 +800,125 @@
//Similar to the previous write, clears the interrupt flags
bool RF24::write( const void* buf, uint8_t len, const bool multicast )
{
- //Start Writing
- startFastWrite(buf,len,multicast);
-
- //Wait until complete or failed
-#if defined (FAILURE_HANDLING)
- uint32_t timer = mainTimer.read_ms();
-#endif
+ //Start Writing
+ startFastWrite(buf,len,multicast);
- while( ! ( get_status() & ( _BV(TX_DS) | _BV(MAX_RT) ))) {
-#if defined (FAILURE_HANDLING)
- if(mainTimer.read_ms() - timer > 85) {
- errNotify();
-#if defined (FAILURE_HANDLING)
- return 0;
-#else
- wait_ms(100);
-#endif
- }
-#endif
- }
+ //Wait until complete or failed
+ #if defined (FAILURE_HANDLING) || defined (RF24_LINUX)
+ uint32_t timer = mainTimer.read_ms();
+ #endif
+
+ while( ! ( get_status() & ( _BV(TX_DS) | _BV(MAX_RT) ))) {
+ #if defined (FAILURE_HANDLING) || defined (RF24_LINUX)
+ if(mainTimer.read_ms() - timer > 95){
+ errNotify();
+ #if defined (FAILURE_HANDLING)
+ return 0;
+ #else
+ wait_ms(100);
+ #endif
+ }
+ #endif
+ }
+
+ ce(LOW);
- ce_pin=LOW;
-
- uint8_t status = write_register(NRF_STATUS,_BV(RX_DR) | _BV(TX_DS) | _BV(MAX_RT) );
+ 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;
- }
- //TX OK 1 or 0
- return 1;
+ //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;
}
-bool RF24::write( const void* buf, uint8_t len )
-{
- return write(buf,len,0);
+bool RF24::write( const void* buf, uint8_t len ){
+ return write(buf,len,0);
}
/****************************************************************************/
//For general use, the interrupt flags are not important to clear
bool RF24::writeBlocking( const void* buf, uint8_t len, uint32_t timeout )
{
- //Block until the FIFO is NOT full.
- //Keep track of the MAX retries and set auto-retry if seeing failures
- //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
+ //Block until the FIFO is NOT full.
+ //Keep track of the MAX retries and set auto-retry if seeing failures
+ //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 = mainTimer.read_ms(); //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
+ 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
- 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 defined (FAILURE_HANDLING)
- if(mainTimer.read_ms() - timer > (timeout+85) ) {
- errNotify();
-#if defined (FAILURE_HANDLING)
- return 0;
-#endif
- }
-#endif
- }
+ 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 defined (FAILURE_HANDLING) || defined (RF24_LINUX)
+ if(mainTimer.read_ms() - timer > (timeout+95) ){
+ errNotify();
+ #if defined (FAILURE_HANDLING)
+ return 0;
+ #endif
+ }
+ #endif
- //Start Writing
- startFastWrite(buf,len,0); //Write the payload if a buffer is clear
+ }
- return 1; //Return 1 to indicate successful transmission
+ //Start Writing
+ startFastWrite(buf,len,0); //Write the payload if a buffer is clear
+
+ return 1; //Return 1 to indicate successful transmission
}
/****************************************************************************/
-void RF24::reUseTX()
-{
- write_register(NRF_STATUS,_BV(MAX_RT) ); //Clear max retry flag
- spiTrans( REUSE_TX_PL );
- ce_pin=LOW; //Re-Transfer packet
- ce_pin=HIGH;
+void RF24::reUseTX(){
+ write_register(NRF_STATUS,_BV(MAX_RT) ); //Clear max retry flag
+ spiTrans( REUSE_TX_PL );
+ ce(LOW); //Re-Transfer packet
+ ce(HIGH);
}
/****************************************************************************/
bool RF24::writeFast( const void* buf, uint8_t len, const bool multicast )
{
- //Block until the FIFO is NOT full.
- //Keep track of the MAX retries and set auto-retry if seeing failures
- //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
+ //Block until the FIFO is NOT full.
+ //Keep track of the MAX retries and set auto-retry if seeing failures
+ //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 = mainTimer.read_ms();
-#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 defined (FAILURE_HANDLING) || defined (RF24_LINUX)
+ uint32_t timer = mainTimer.read_ms();
+ #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)) {
- //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
- }
-#if defined (FAILURE_HANDLING)
- if(mainTimer.read_ms() - timer > 85 ) {
- errNotify();
-#if defined (FAILURE_HANDLING)
- return 0;
-#endif
- }
-#endif
- }
- //Start Writing
- startFastWrite(buf,len,multicast);
+ 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
+ }
+ #if defined (FAILURE_HANDLING) || defined (RF24_LINUX)
+ if(mainTimer.read_ms() - timer > 95 ){
+ errNotify();
+ #if defined (FAILURE_HANDLING)
+ return 0;
+ #endif
+ }
+ #endif
+ }
+ //Start Writing
+ startFastWrite(buf,len,multicast);
- return 1;
+ return 1;
}
-bool RF24::writeFast( const void* buf, uint8_t len )
-{
- return writeFast(buf,len,0);
+bool RF24::writeFast( const void* buf, uint8_t len ){
+ return writeFast(buf,len,0);
}
/****************************************************************************/
@@ -654,288 +928,302 @@
//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) {
- ce_pin=HIGH;
- }
+ //write_payload( buf,len);
+ write_payload( buf, len,multicast ? W_TX_PAYLOAD_NO_ACK : W_TX_PAYLOAD ) ;
+ if(startTx){
+ ce(HIGH);
+ }
+
}
/****************************************************************************/
//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 )
-{
-
- // Send the payload
-
- //write_payload( buf, len );
- write_payload( buf, len,multicast? W_TX_PAYLOAD_NO_ACK : W_TX_PAYLOAD ) ;
- ce_pin=HIGH;
-
- wait_us(10);
+void RF24::startWrite( const void* buf, uint8_t len, const bool multicast ){
- ce_pin=LOW;
-}
-
-/****************************************************************************/
-
-bool RF24::rxFifoFull()
-{
- return read_register(FIFO_STATUS) & _BV(RX_FULL);
-}
-/****************************************************************************/
-
-bool RF24::txStandBy()
-{
+ // Send the payload
-#if defined (FAILURE_HANDLING)
- uint32_t timeout = mainTimer.read_ms();
-#endif
- while( ! (read_register(FIFO_STATUS) & _BV(TX_EMPTY)) ) {
- if( get_status() & _BV(MAX_RT)) {
- write_register(NRF_STATUS,_BV(MAX_RT) );
- ce_pin=LOW;
- flush_tx(); //Non blocking, flush the data
- return 0;
- }
-#if defined (FAILURE_HANDLING)
- if( mainTimer.read_ms() - timeout > 85) {
- errNotify();
-#if defined (FAILURE_HANDLING)
- return 0;
-#endif
- }
-#endif
- }
-
- ce_pin=LOW; //Set STANDBY-I mode
- return 1;
-}
-
-/****************************************************************************/
-
-bool RF24::txStandBy(uint32_t timeout, bool startTx)
-{
+ //write_payload( buf, len );
+ write_payload( buf, len,multicast? W_TX_PAYLOAD_NO_ACK : W_TX_PAYLOAD ) ;
+ ce(HIGH);
+
+ wait_us(10);
+
+ ce(LOW);
- if(startTx) {
- stopListening();
- ce_pin=HIGH;
- }
- uint32_t start = mainTimer.read_ms();
-
- while( ! (read_register(FIFO_STATUS) & _BV(TX_EMPTY)) ) {
- if( get_status() & _BV(MAX_RT)) {
- write_register(NRF_STATUS,_BV(MAX_RT) );
- ce_pin=LOW; //Set re-transmit
- ce_pin=HIGH;
- if(mainTimer.read_ms() - start >= timeout) {
- ce_pin=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
- }
-
- ce_pin=LOW; //Set STANDBY-I mode
- return 1;
}
/****************************************************************************/
-void RF24::maskIRQ(bool tx, bool fail, bool rx)
-{
+bool RF24::rxFifoFull(){
+ return read_register(FIFO_STATUS) & _BV(RX_FULL);
+}
+/****************************************************************************/
+
+bool RF24::txStandBy(){
+
+ #if defined (FAILURE_HANDLING) || defined (RF24_LINUX)
+ uint32_t timeout = mainTimer.read_ms();
+ #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) || defined (RF24_LINUX)
+ if( mainTimer.read_ms() - timeout > 95){
+ errNotify();
+ #if defined (FAILURE_HANDLING)
+ return 0;
+ #endif
+ }
+ #endif
+ }
+
+ ce(LOW); //Set STANDBY-I mode
+ return 1;
+}
+
+/****************************************************************************/
+
+bool RF24::txStandBy(uint32_t timeout, bool startTx){
- write_register(CONFIG, ( read_register(CONFIG) ) | fail << MASK_MAX_RT | tx << MASK_TX_DS | rx << MASK_RX_DR );
+ if(startTx){
+ stopListening();
+ ce(HIGH);
+ }
+ uint32_t start = mainTimer.read_ms();
+
+ 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;
+ }
+ }
+ #if defined (FAILURE_HANDLING) || defined (RF24_LINUX)
+ if( mainTimer.read_ms() - start > (timeout+95)){
+ errNotify();
+ #if defined (FAILURE_HANDLING)
+ return 0;
+ #endif
+ }
+ #endif
+ }
+
+
+ ce(LOW); //Set STANDBY-I mode
+ return 1;
+
+}
+
+/****************************************************************************/
+
+void RF24::maskIRQ(bool tx, bool fail, bool rx){
+
+ 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(NRF_CONFIG, config);
}
/****************************************************************************/
uint8_t RF24::getDynamicPayloadSize(void)
{
- uint8_t result = 0;
-
- beginTransaction();
- spi.write( R_RX_PL_WID );
- result = spi.write(0xff);
- endTransaction();
+ uint8_t result = 0;
+
+
+
+
+
+
+
+
+ beginTransaction();
+ spi.write( R_RX_PL_WID );
+ result = spi.write(0xff);
+ endTransaction();
+
- if(result > 32) {
- flush_rx();
- wait_ms(2);
- return 0;
- }
- return result;
+ if(result > 32) { flush_rx(); wait_ms(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 ) & 7;
- }
- 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 ) & 0b111;
+ }
+ 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) );
+
}
/****************************************************************************/
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) {
- write_register(SETUP_AW,a_width%4);
- addr_width = (a_width%4) + 2;
- }
+ if(a_width -= 2){
+ write_register(SETUP_AW,a_width%4);
+ addr_width = (a_width%4) + 2;
+ }
+
}
/****************************************************************************/
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 (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);
+ // 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);
+ }
+ 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])));
}
/****************************************************************************/
@@ -943,63 +1231,63 @@
void RF24::toggle_features(void)
{
beginTransaction();
- spi.write( ACTIVATE );
+ spi.write( ACTIVATE );
spi.write( 0x73 );
- endTransaction();
+ endTransaction();
}
/****************************************************************************/
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) );
- IF_SERIAL_DEBUG(printf("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));
+ // 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;
+ dynamic_payloads_enabled = true;
}
/****************************************************************************/
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) );
- IF_SERIAL_DEBUG(printf("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) );
- IF_SERIAL_DEBUG(printf("FEATURE=%i\r\n",read_register(FEATURE)));
+ IF_SERIAL_DEBUG(printf("FEATURE=%i\r\n",read_register(FEATURE)));
}
@@ -1008,16 +1296,30 @@
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);
- uint8_t data_len = rf24_min(len,32);
+ uint8_t data_len = rf24_min(len,32);
- beginTransaction();
- spi.write(W_ACK_PAYLOAD | ( pipe & 7 ) );
+
+
+
+
+
+
+
+
+
+
+
+
+ beginTransaction();
+ spi.write(W_ACK_PAYLOAD | ( pipe & 0b111 ) );
- while ( data_len-- )
- spi.write(*current++);
- endTransaction();
+ while ( data_len-- )
+ spi.write(*current++);
+ endTransaction();
+
+
}
@@ -1025,53 +1327,57 @@
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, 63);
- else
- write_register(EN_AA, 0);
+ if ( enable )
+ write_register(EN_AA, 0b111111);
+ 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 ) ;
}
/****************************************************************************/
@@ -1079,16 +1385,16 @@
void RF24::setPALevel(uint8_t level)
{
- uint8_t setup = read_register(RF_SETUP) & 248;
+ uint8_t setup = read_register(RF_SETUP) & 0b11111000;
- 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
}
/****************************************************************************/
@@ -1096,112 +1402,140 @@
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) ;
+ 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)) ;
-
+ // HIGH and LOW '00' is 1Mbs - our default
+ setup &= ~(_BV(RF_DR_LOW) | _BV(RF_DR_HIGH)) ;
+
+
+
+
txRxDelay=85;
- 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=155;
- } else {
- // Set 2Mbs, RF_DR (RF_DR_HIGH) is set 1
- // Making it '01'
- if ( speed == RF24_2MBPS ) {
- setup |= _BV(RF_DR_HIGH);
- txRxDelay=65;
- }
+ 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=155;
+
+ }
+ else
+ {
+ // Set 2Mbs, RF_DR (RF_DR_HIGH) is set 1
+ // Making it '01'
+ if ( speed == RF24_2MBPS )
+ {
+ setup |= _BV(RF_DR_HIGH);
+
+
+ //txRxDelay=65;
+ txRxDelay=15; //mbed works fine with this latency
+
}
- 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);
}
+