astyle -A1
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RF24.h
788
RF24.h
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@ -1,6 +1,6 @@
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/*
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Copyright (C) 2011 James Coliz, Jr. <maniacbug@ymail.com>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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version 2 as published by the Free Software Foundation.
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@ -17,427 +17,427 @@ typedef enum { RF24_CRC_8 = 0, RF24_CRC_16 } rf24_crclength_e;
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/**
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* Driver for nRF24L01(+) 2.4GHz Wireless Transceiver
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*/
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class RF24
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{
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private:
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uint8_t ce_pin; /**< "Chip Enable" pin, activates the RX or TX role */
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uint8_t csn_pin; /**< SPI Chip select */
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uint8_t payload_size; /**< Fixed size of payloads */
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boolean ack_payload_available; /**< Whether there is an ack payload waiting */
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uint8_t ack_payload_length; /**< Dynamic size of pending ack payload. Note: not used. */
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uint64_t pipe0_reading_address; /**< Last address set on pipe 0 for reading. */
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uint8_t ce_pin; /**< "Chip Enable" pin, activates the RX or TX role */
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uint8_t csn_pin; /**< SPI Chip select */
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uint8_t payload_size; /**< Fixed size of payloads */
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boolean ack_payload_available; /**< Whether there is an ack payload waiting */
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uint8_t ack_payload_length; /**< Dynamic size of pending ack payload. Note: not used. */
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uint64_t pipe0_reading_address; /**< Last address set on pipe 0 for reading. */
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protected:
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/**
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* @name Low-level internal interface.
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*
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* Protected methods that address the chip directly. Regular users cannot
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* ever call these. They are documented for completeness and for developers who
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* may want to extend this class.
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*/
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/**@{*/
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protected:
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/**
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* @name Low-level internal interface.
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*
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* Protected methods that address the chip directly. Regular users cannot
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* ever call these. They are documented for completeness and for developers who
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* may want to extend this class.
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*/
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/**@{*/
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/**
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* Set chip select pin
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*
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* @param mode HIGH to take this unit off the SPI bus, LOW to put it on
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*/
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void csn(int mode) ;
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/**
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* Set chip select pin
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*
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* @param mode HIGH to take this unit off the SPI bus, LOW to put it on
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*/
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void csn(int mode) ;
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/**
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* Set chip enable
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*
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* @param mode HIGH to actively begin transmission or LOW to put in standby. Please see data sheet
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* for a much more detailed description of this pin.
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*/
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void ce(int mode);
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/**
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* Set chip enable
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*
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* @param mode HIGH to actively begin transmission or LOW to put in standby. Please see data sheet
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* for a much more detailed description of this pin.
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*/
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void ce(int mode);
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/**
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* Read a chunk of data in from a register
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*
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* @param reg Which register. Use constants from nRF24L01.h
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* @param buf Where to put the data
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* @param len How many bytes of data to transfer
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* @return Current value of status register
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*/
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uint8_t read_register(uint8_t reg, uint8_t* buf, uint8_t len) ;
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/**
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* Read single byte from a register
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*
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* @param reg Which register. Use constants from nRF24L01.h
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* @return Current value of register @p reg
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*/
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uint8_t read_register(uint8_t reg);
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/**
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* Read a chunk of data in from a register
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*
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* @param reg Which register. Use constants from nRF24L01.h
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* @param buf Where to put the data
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* @param len How many bytes of data to transfer
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* @return Current value of status register
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*/
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uint8_t read_register(uint8_t reg, uint8_t* buf, uint8_t len) ;
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/**
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* Write a chunk of data to a register
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*
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* @param reg Which register. Use constants from nRF24L01.h
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* @param buf Where to get the data
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* @param len How many bytes of data to transfer
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* @return Current value of status register
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*/
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uint8_t write_register(uint8_t reg, const uint8_t* buf, uint8_t len);
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/**
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* Read single byte from a register
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*
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* @param reg Which register. Use constants from nRF24L01.h
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* @return Current value of register @p reg
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*/
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uint8_t read_register(uint8_t reg);
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/**
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* Write a single byte to a register
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*
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* @param reg Which register. Use constants from nRF24L01.h
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* @param value The new value to write
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* @return Current value of status register
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*/
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uint8_t write_register(uint8_t reg, uint8_t value);
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/**
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* Write a chunk of data to a register
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*
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* @param reg Which register. Use constants from nRF24L01.h
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* @param buf Where to get the data
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* @param len How many bytes of data to transfer
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* @return Current value of status register
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*/
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uint8_t write_register(uint8_t reg, const uint8_t* buf, uint8_t len);
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/**
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* Write the transmit payload
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*
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* The size of data written is the fixed payload size, see getPayloadSize()
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*
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* @param buf Where to get the data
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* @param len Number of bytes to be sent
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* @return Current value of status register
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*/
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uint8_t write_payload(const void* buf, uint8_t len);
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/**
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* Write a single byte to a register
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*
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* @param reg Which register. Use constants from nRF24L01.h
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* @param value The new value to write
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* @return Current value of status register
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*/
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uint8_t write_register(uint8_t reg, uint8_t value);
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/**
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* Read the receive payload
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*
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* The size of data read is the fixed payload size, see getPayloadSize()
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*
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* @param buf Where to put the data
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* @param len Maximum number of bytes to read
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* @return Current value of status register
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*/
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uint8_t read_payload(void* buf, uint8_t len) ;
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/**
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* Write the transmit payload
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*
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* The size of data written is the fixed payload size, see getPayloadSize()
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*
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* @param buf Where to get the data
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* @param len Number of bytes to be sent
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* @return Current value of status register
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*/
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uint8_t write_payload(const void* buf, uint8_t len);
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/**
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* Read the payload length
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*
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* For dynamic payloads, this pulls the size of the payload off
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* the chip
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*
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* @return Payload length of last-received dynamic payload
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*/
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uint8_t read_payload_length(void);
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/**
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* Empty the receive buffer
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*
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* @return Current value of status register
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*/
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uint8_t flush_rx(void);
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/**
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* Empty the transmit buffer
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*
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* @return Current value of status register
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*/
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uint8_t flush_tx(void);
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/**
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* Read the receive payload
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*
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* The size of data read is the fixed payload size, see getPayloadSize()
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*
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* @param buf Where to put the data
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* @param len Maximum number of bytes to read
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* @return Current value of status register
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*/
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uint8_t read_payload(void* buf, uint8_t len) ;
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/**
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* Retrieve the current status of the chip
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*
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* @return Current value of status register
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*/
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uint8_t get_status(void) ;
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/**
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* Read the payload length
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*
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* For dynamic payloads, this pulls the size of the payload off
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* the chip
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*
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* @return Payload length of last-received dynamic payload
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*/
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uint8_t read_payload_length(void);
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/**
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* Decode and print the given status to stdout
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*
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* @param status Status value to print
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*
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* @warning Does nothing if stdout is not defined. See fdevopen in stdio.h
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*/
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void print_status(uint8_t status) ;
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/**
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* Empty the receive buffer
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*
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* @return Current value of status register
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*/
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uint8_t flush_rx(void);
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/**
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* Decode and print the given 'observe_tx' value to stdout
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*
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* @param value The observe_tx value to print
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*
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* @warning Does nothing if stdout is not defined. See fdevopen in stdio.h
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*/
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void print_observe_tx(uint8_t value) ;
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/**
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* Empty the transmit buffer
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*
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* @return Current value of status register
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*/
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uint8_t flush_tx(void);
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/**
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* Turn on or off the special features of the chip
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*
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* The chip has certain 'features' which are only available when the 'features'
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* are enabled. See the datasheet for details.
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*/
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void toggle_features(void);
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/**@}*/
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/**
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* Retrieve the current status of the chip
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*
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* @return Current value of status register
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*/
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uint8_t get_status(void) ;
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/**
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* Decode and print the given status to stdout
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*
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* @param status Status value to print
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*
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* @warning Does nothing if stdout is not defined. See fdevopen in stdio.h
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*/
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void print_status(uint8_t status) ;
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/**
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* Decode and print the given 'observe_tx' value to stdout
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*
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* @param value The observe_tx value to print
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*
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* @warning Does nothing if stdout is not defined. See fdevopen in stdio.h
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*/
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void print_observe_tx(uint8_t value) ;
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/**
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* Turn on or off the special features of the chip
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*
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* The chip has certain 'features' which are only available when the 'features'
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* are enabled. See the datasheet for details.
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*/
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void toggle_features(void);
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/**@}*/
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public:
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/**
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* @name Primary public interface
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*
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* These are the main methods you need to operate the chip
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*/
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/**@{*/
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/**
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* @name Primary public interface
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*
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* These are the main methods you need to operate the chip
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*/
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/**@{*/
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/**
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* Constructor
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*
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* Creates a new instance of this driver. Before using, you create an instance
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* and send in the unique pins that this chip is connected to.
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*
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* @param _cepin The pin attached to Chip Enable on the RF module
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* @param _cspin The pin attached to Chip Select
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*/
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RF24(uint8_t _cepin, uint8_t _cspin);
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/**
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* Constructor
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*
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* Creates a new instance of this driver. Before using, you create an instance
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* and send in the unique pins that this chip is connected to.
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*
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* @param _cepin The pin attached to Chip Enable on the RF module
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* @param _cspin The pin attached to Chip Select
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*/
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RF24(uint8_t _cepin, uint8_t _cspin);
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/**
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* Begin operation of the chip
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*
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* Call this in setup(), before calling any other methods.
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*/
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void begin(void);
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/**
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* Begin operation of the chip
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*
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* Call this in setup(), before calling any other methods.
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*/
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void begin(void);
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/**
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* Start listening on the pipes opened for reading.
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*
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* Be sure to call openReadingPipe() first. Do not call write() while
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* in this mode, without first calling stopListening(). Call
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* isAvailable() to check for incoming traffic, and read() to get it.
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*/
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void startListening(void);
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/**
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* Start listening on the pipes opened for reading.
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*
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* Be sure to call openReadingPipe() first. Do not call write() while
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* in this mode, without first calling stopListening(). Call
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* isAvailable() to check for incoming traffic, and read() to get it.
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*/
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void startListening(void);
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/**
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* Stop listening for incoming messages
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*
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* Do this before calling write().
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*/
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void stopListening(void);
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/**
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* Stop listening for incoming messages
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*
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* Do this before calling write().
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*/
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void stopListening(void);
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/**
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* Write to the open writing pipe
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*
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* Be sure to call openWritingPipe() first to set the destination
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* of where to write to.
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*
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* This blocks until the message is successfully acknowledged by
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* the receiver or the timeout/retransmit maxima are reached. In
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* the current configuration, the max delay here is 60ms.
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*
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* The maximum size of data written is the fixed payload size, see
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* getPayloadSize(). However, you can write less, and the remainder
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* will just be filled with zeroes.
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*
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* @param buf Pointer to the data to be sent
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* @param len Number of bytes to be sent
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* @return True if the payload was delivered successfully false if not
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*/
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boolean write( const void* buf, uint8_t len );
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/**
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* Write to the open writing pipe
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*
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* Be sure to call openWritingPipe() first to set the destination
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* of where to write to.
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*
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* This blocks until the message is successfully acknowledged by
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* the receiver or the timeout/retransmit maxima are reached. In
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* the current configuration, the max delay here is 60ms.
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*
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* The maximum size of data written is the fixed payload size, see
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* getPayloadSize(). However, you can write less, and the remainder
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* will just be filled with zeroes.
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*
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* @param buf Pointer to the data to be sent
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* @param len Number of bytes to be sent
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* @return True if the payload was delivered successfully false if not
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*/
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boolean write( const void* buf, uint8_t len );
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/**
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* Test whether there are bytes available to be read
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*
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* @return True if there is a payload available, false if none is
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*/
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boolean available(void) ;
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/**
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* Test whether there are bytes available to be read
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*
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* @return True if there is a payload available, false if none is
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*/
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boolean available(void) ;
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/**
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* Read the payload
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*
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* Return the last payload received
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*
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* The size of data read is the fixed payload size, see getPayloadSize()
|
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*
|
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* @note I specifically chose 'void*' as a data type to make it easier
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* for beginners to use. No casting needed.
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*
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* @param buf Pointer to a buffer where the data should be written
|
||||
* @param len Maximum number of bytes to read into the buffer
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* @return True if the payload was delivered successfully false if not
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*/
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boolean read( void* buf, uint8_t len ) ;
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/**
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* Read the payload
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*
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* Return the last payload received
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||||
*
|
||||
* 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.
|
||||
*
|
||||
* @param buf Pointer to a buffer where the data should be written
|
||||
* @param len Maximum number of bytes to read into the buffer
|
||||
* @return True if the payload was delivered successfully false if not
|
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*/
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boolean read( void* buf, uint8_t len ) ;
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||||
/**
|
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* Open a pipe for writing
|
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*
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* Only one pipe can be open at once, but you can change the pipe
|
||||
* you'll listen to. Do not call this while actively listening.
|
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* Remember to stopListening() first.
|
||||
*
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* Addresses are 40-bit hex values, e.g.:
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*
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* @code
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* openWritingPipe(0xF0F0F0F0F0);
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* @endcode
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||||
*
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||||
* @param address The 40-bit address of the pipe to open. This can be
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* any value whatsoever, as long as you are the only one writing to it
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||||
* and only one other radio is listening to it. Coordinate these pipe
|
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* addresses amongst nodes on the network.
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||||
*/
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void openWritingPipe(uint64_t address);
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/**
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* Open a pipe for writing
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*
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* Only one pipe can be open at once, but you can change the pipe
|
||||
* you'll listen to. Do not call this while actively listening.
|
||||
* Remember to stopListening() first.
|
||||
*
|
||||
* Addresses are 40-bit hex values, e.g.:
|
||||
*
|
||||
* @code
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* openWritingPipe(0xF0F0F0F0F0);
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||||
* @endcode
|
||||
*
|
||||
* @param address The 40-bit address of the pipe to open. This can be
|
||||
* any value whatsoever, as long as you are the only one writing to it
|
||||
* and only one other radio is listening to it. Coordinate these pipe
|
||||
* addresses amongst nodes on the network.
|
||||
*/
|
||||
void openWritingPipe(uint64_t address);
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||||
|
||||
/**
|
||||
* Open a pipe for reading
|
||||
*
|
||||
* Up to 5 pipes can be open for reading at once. Open all the
|
||||
* reading pipes, and then call startListening().
|
||||
*
|
||||
* @see openWritingPipe
|
||||
*
|
||||
* @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
|
||||
*
|
||||
* @todo Enforce the restriction that pipes 1-5 must share the top 32 bits
|
||||
*
|
||||
* @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
|
||||
*
|
||||
* Up to 5 pipes can be open for reading at once. Open all the
|
||||
* reading pipes, and then call startListening().
|
||||
*
|
||||
* @see openWritingPipe
|
||||
*
|
||||
* @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
|
||||
*
|
||||
* @todo Enforce the restriction that pipes 1-5 must share the top 32 bits
|
||||
*
|
||||
* @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);
|
||||
|
||||
/**@}*/
|
||||
/**
|
||||
* @name Optional public interface
|
||||
*
|
||||
* Methods you may want to use but are not needed for regular operation
|
||||
*/
|
||||
/**@{*/
|
||||
/**@}*/
|
||||
/**
|
||||
* @name Optional public interface
|
||||
*
|
||||
* Methods you may want to use but are not needed for regular operation
|
||||
*/
|
||||
/**@{*/
|
||||
|
||||
/**
|
||||
* Set RF communication channel
|
||||
*
|
||||
* @param channel Which RF channel to communicate on, 0-127
|
||||
*/
|
||||
void setChannel(uint8_t channel);
|
||||
/**
|
||||
* Set RF communication channel
|
||||
*
|
||||
* @param channel Which RF channel to communicate on, 0-127
|
||||
*/
|
||||
void setChannel(uint8_t channel);
|
||||
|
||||
/**
|
||||
* Set 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);
|
||||
/**
|
||||
* Set 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 Payload Size
|
||||
*
|
||||
* @see setPayloadSize()
|
||||
*
|
||||
* @return The number of bytes in the payload
|
||||
*/
|
||||
uint8_t getPayloadSize(void) ;
|
||||
/**
|
||||
* Get Payload Size
|
||||
*
|
||||
* @see setPayloadSize()
|
||||
*
|
||||
* @return The number of bytes in the payload
|
||||
*/
|
||||
uint8_t getPayloadSize(void) ;
|
||||
|
||||
/**
|
||||
* Print a giant block of debugging information to stdout
|
||||
*
|
||||
* @warning Does nothing if stdout is not defined. See fdevopen in stdio.h
|
||||
*/
|
||||
void printDetails(void) ;
|
||||
|
||||
/**
|
||||
* Enter low-power mode
|
||||
*
|
||||
* To return to normal power mode, either write() some data or
|
||||
* startListening().
|
||||
*/
|
||||
void powerDown(void);
|
||||
/**
|
||||
* Print a giant block of debugging information to stdout
|
||||
*
|
||||
* @warning Does nothing if stdout is not defined. See fdevopen in stdio.h
|
||||
*/
|
||||
void printDetails(void) ;
|
||||
|
||||
/**
|
||||
* Test whether there are bytes available to be read
|
||||
*
|
||||
* Use this version to discover on which pipe the message
|
||||
* arrived.
|
||||
*
|
||||
* @param[out] pipe_num Which pipe has the payload available
|
||||
* @return True if there is a payload available, false if none is
|
||||
*/
|
||||
boolean available(uint8_t* pipe_num);
|
||||
/**
|
||||
* Enter low-power mode
|
||||
*
|
||||
* To return to normal power mode, either write() some data or
|
||||
* startListening().
|
||||
*/
|
||||
void powerDown(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.
|
||||
*
|
||||
* @see examples/pingpair_pl/pingpair_pl.pde
|
||||
*/
|
||||
void enableAckPayload(void);
|
||||
/**
|
||||
* Test whether there are bytes available to be read
|
||||
*
|
||||
* Use this version to discover on which pipe the message
|
||||
* arrived.
|
||||
*
|
||||
* @param[out] pipe_num Which pipe has the payload available
|
||||
* @return True if there is a payload available, false if none is
|
||||
*/
|
||||
boolean available(uint8_t* pipe_num);
|
||||
|
||||
/**
|
||||
* 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.
|
||||
*
|
||||
* @warning According to the data sheet, only three of these can be pending
|
||||
* at any time. I have not tested this.
|
||||
*
|
||||
* @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);
|
||||
/**
|
||||
* 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.
|
||||
*
|
||||
* @see examples/pingpair_pl/pingpair_pl.pde
|
||||
*/
|
||||
void enableAckPayload(void);
|
||||
|
||||
/**
|
||||
* Determine if an ack payload was received in the most recent call to
|
||||
* write().
|
||||
*
|
||||
* Call read() to retrieve the ack payload.
|
||||
*
|
||||
* @warning Calling this function clears the internal flag which indicates
|
||||
* a payload is available. If it returns true, you must read the packet
|
||||
* out as the very next interaction with the radio, or the results are
|
||||
* undefined.
|
||||
*
|
||||
* @return True if an ack payload is available.
|
||||
*/
|
||||
boolean isAckPayloadAvailable(void);
|
||||
/**
|
||||
* 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.
|
||||
*
|
||||
* @warning According to the data sheet, only three of these can be pending
|
||||
* at any time. I have not tested this.
|
||||
*
|
||||
* @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);
|
||||
|
||||
/**
|
||||
* 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);
|
||||
/**
|
||||
* Determine if an ack payload was received in the most recent call to
|
||||
* write().
|
||||
*
|
||||
* Call read() to retrieve the ack payload.
|
||||
*
|
||||
* @warning Calling this function clears the internal flag which indicates
|
||||
* a payload is available. If it returns true, you must read the packet
|
||||
* out as the very next interaction with the radio, or the results are
|
||||
* undefined.
|
||||
*
|
||||
* @return True if an ack payload is available.
|
||||
*/
|
||||
boolean isAckPayloadAvailable(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
|
||||
*/
|
||||
boolean testCarrier(void);
|
||||
/**
|
||||
* 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);
|
||||
|
||||
/**
|
||||
* Set the transmission data rate
|
||||
*
|
||||
* @param speed RF24_1MBPS for 1Mbps or RF24_2MBPS for 2Mbps
|
||||
*/
|
||||
void setDataRate(rf24_datarate_e speed);
|
||||
|
||||
/**
|
||||
* Set the CRC length
|
||||
*
|
||||
* @param length RF24_CRC_8 for 8-bit or RF24_CRC_16 for 16-bit
|
||||
*/
|
||||
void setCRCLength(rf24_crclength_e length);
|
||||
|
||||
/**@}*/
|
||||
/**
|
||||
* 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
|
||||
*/
|
||||
boolean testCarrier(void);
|
||||
|
||||
/**
|
||||
* Set the transmission data rate
|
||||
*
|
||||
* @param speed RF24_1MBPS for 1Mbps or RF24_2MBPS for 2Mbps
|
||||
*/
|
||||
void setDataRate(rf24_datarate_e speed);
|
||||
|
||||
/**
|
||||
* Set the CRC length
|
||||
*
|
||||
* @param length RF24_CRC_8 for 8-bit or RF24_CRC_16 for 16-bit
|
||||
*/
|
||||
void setCRCLength(rf24_crclength_e length);
|
||||
|
||||
/**@}*/
|
||||
};
|
||||
|
||||
/**
|
||||
|
@ -452,8 +452,8 @@ public:
|
|||
|
||||
/**
|
||||
* @example pingpair.pde
|
||||
*
|
||||
* This is an example of how to use the RF24 class. Write this sketch to two
|
||||
*
|
||||
* This is an example of how to use the RF24 class. Write this sketch to two
|
||||
* different nodes, connect the role_pin to ground on one. The ping node sends
|
||||
* the current time to the pong node, which responds by sending the value back.
|
||||
* The ping node can then see how long the whole cycle took.
|
||||
|
@ -462,10 +462,10 @@ public:
|
|||
/**
|
||||
* @example starping.pde
|
||||
*
|
||||
* This sketch is a more complex example of using the RF24 library for Arduino.
|
||||
* Deploy this on up to six nodes. Set one as the 'pong receiver' by tying the
|
||||
* This sketch is a more complex example of using the RF24 library for Arduino.
|
||||
* Deploy this on up to six nodes. Set one as the 'pong receiver' by tying the
|
||||
* role_pin low, and the others will be 'ping transmit' units. The ping units
|
||||
* unit will send out the value of millis() once a second. The pong unit will
|
||||
* unit will send out the value of millis() once a second. The pong unit will
|
||||
* respond back with a copy of the value. Each ping unit can get that response
|
||||
* back, and determine how long the whole cycle took.
|
||||
*
|
||||
|
@ -475,16 +475,16 @@ public:
|
|||
*/
|
||||
|
||||
/**
|
||||
* @example pingpair_pl.pde
|
||||
* @example pingpair_pl.pde
|
||||
*
|
||||
* This is an example of how to do two-way communication without changing
|
||||
* transmit/receive modes. Here, a payload is set to the transmitter within
|
||||
* This is an example of how to do two-way communication without changing
|
||||
* transmit/receive modes. Here, a payload is set to the transmitter within
|
||||
* the Ack packet of each transmission. Note that the payload is set BEFORE
|
||||
* the sender's message arrives.
|
||||
*/
|
||||
|
||||
/**
|
||||
* @example pingpair_sleepy.pde
|
||||
* @example pingpair_sleepy.pde
|
||||
*
|
||||
* This is an example of how to use the RF24 class to create a battery-
|
||||
* efficient system. It is just like the pingpair.pde example, but the
|
||||
|
@ -495,7 +495,7 @@ public:
|
|||
/**
|
||||
* @example starping_relay.pde
|
||||
*
|
||||
* This sketch is a very complex example of using the RF24 library for Arduino.
|
||||
* This sketch is a very complex example of using the RF24 library for Arduino.
|
||||
* Deploy this on any number of nodes to create a basic mesh network. I have
|
||||
* tested this on 6 nodes, but it should work on many more. 'Leaf' nodes attempt
|
||||
* to send a ping every 2 seconds to the 'Base' node. Optional 'Relay' nodes
|
||||
|
@ -503,7 +503,7 @@ public:
|
|||
*/
|
||||
|
||||
/**
|
||||
* @example scanner.pde
|
||||
* @example scanner.pde
|
||||
*
|
||||
* Example to detect interference on the various channels available.
|
||||
* This is a good diagnostic tool to check whether you're picking a
|
||||
|
|
Loading…
Reference in New Issue