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.h
- Revision:
- 6:5cc7136648d1
- Parent:
- 4:a35313611c1c
--- a/RF24.h Tue Feb 23 00:40:33 2016 +0000
+++ b/RF24.h Thu Apr 21 04:10:58 2016 +0000
@@ -6,30 +6,31 @@
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
- *
- */
-
/**
* @file RF24.h
*
* Class declaration for RF24 and helper enums
*/
-
-
+
+/*
+ * Mbed support added by Akash Vibhute <akash.roboticist@gmail.com>
+ * Porting completed on Nov/05/2015
+ *
+ * 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
+ *
+ */
+
#ifndef __RF24_H__
#define __RF24_H__
#include "RF24_config.h"
+#include <mbed.h>
-#define HIGH 1
-#define LOW 0
+
-#include <mbed.h>
+
+
/**
* Power Amplifier level.
@@ -60,1032 +61,1071 @@
{
private:
- SPI spi;
- Timer mainTimer;
- DigitalOut ce_pin; /**< "Chip Enable" pin, activates the RX or TX role */
- DigitalOut csn_pin; /**< SPI Chip select */
+
+
+
+
- bool p_variant; /* False for RF24L01 and true for RF24L01P */
- uint8_t payload_size; /**< Fixed size of payloads */
- bool dynamic_payloads_enabled; /**< Whether dynamic payloads are enabled. */
- uint8_t pipe0_reading_address[5]; /**< Last address set on pipe 0 for reading. */
- uint8_t addr_width; /**< The address width to use - 3,4 or 5 bytes. */
- uint32_t txRxDelay; /**< Var for adjusting delays depending on datarate */
+
+
+
+
+
+ DigitalOut ce_pin; /**< "Chip Enable" pin, activates the RX or TX role */
+ DigitalOut csn_pin; /**< SPI Chip select */
+ uint16_t spi_speed; /**< SPI Bus Speed */
+
+ SPI spi;
+ Timer mainTimer;
+
+ bool p_variant; /* False for RF24L01 and true for RF24L01P */
+ uint8_t payload_size; /**< Fixed size of payloads */
+ bool dynamic_payloads_enabled; /**< Whether dynamic payloads are enabled. */
+ uint8_t pipe0_reading_address[5]; /**< Last address set on pipe 0 for reading. */
+ uint8_t addr_width; /**< The address width to use - 3,4 or 5 bytes. */
+ uint32_t txRxDelay; /**< Var for adjusting delays depending on datarate */
+
+
protected:
- /**
- * SPI transactions
- *
- * Common code for SPI transactions including CSN toggle
- *
- */
- inline void beginTransaction();
+ /**
+ * SPI transactions
+ *
+ * Common code for SPI transactions including CSN toggle
+ *
+ */
+ inline void beginTransaction();
- inline void endTransaction();
+ inline void endTransaction();
public:
+ /**
+ * @name Primary public interface
+ *
+ * These are the main methods you need to operate the chip
+ */
+ /**@{*/
+
+ /**
+ * Arduino Constructor
+ *
+ * Creates a new instance of this driver. Before using, you create an instance
+ * and send in the unique pins that this chip is connected to.
+ *
+ * @param _cepin The pin attached to Chip Enable on the RF module
+ * @param _cspin The pin attached to Chip Select
+ */
+ RF24(PinName mosi, PinName miso, PinName sck, PinName _cepin, PinName _csnpin);
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ /**
+ * Begin operation of the chip
+ *
+ * Call this in setup(), before calling any other methods.
+ * @code radio.begin() @endcode
+ */
+ bool begin(void);
+
+ /**
+ * Start listening on the pipes opened for reading.
+ *
+ * 1. Be sure to call openReadingPipe() first.
+ * 2. Do not call write() while in this mode, without first calling stopListening().
+ * 3. Call available() to check for incoming traffic, and read() to get it.
+ *
+ * @code
+ * Open reading pipe 1 using address CCCECCCECC
+ *
+ * byte address[] = { 0xCC,0xCE,0xCC,0xCE,0xCC };
+ * radio.openReadingPipe(1,address);
+ * radio.startListening();
+ * @endcode
+ */
+ void startListening(void);
+
+ /**
+ * Stop listening for incoming messages, and switch to transmit mode.
+ *
+ * Do this before calling write().
+ * @code
+ * radio.stopListening();
+ * radio.write(&data,sizeof(data));
+ * @endcode
+ */
+ void stopListening(void);
+
+ /**
+ * Check whether there are bytes available to be read
+ * @code
+ * if(radio.available()){
+ * radio.read(&data,sizeof(data));
+ * }
+ * @endcode
+ * @return True if there is a payload available, false if none is
+ */
+ bool available(void);
+
+ /**
+ * Read the available payload
+ *
+ * The size of data read is the fixed payload size, see getPayloadSize()
+ *
+ * @note I specifically chose 'void*' as a data type to make it easier
+ * for beginners to use. No casting needed.
+ *
+ * @note No longer boolean. Use available to determine if packets are
+ * available. Interrupt flags are now cleared during reads instead of
+ * when calling available().
+ *
+ * @param buf Pointer to a buffer where the data should be written
+ * @param len Maximum number of bytes to read into the buffer
+ *
+ * @code
+ * if(radio.available()){
+ * radio.read(&data,sizeof(data));
+ * }
+ * @endcode
+ * @return No return value. Use available().
+ */
+ void read( void* buf, uint8_t len );
+
+ /**
+ * Be sure to call openWritingPipe() first to set the destination
+ * of where to write to.
+ *
+ * This blocks until the message is successfully acknowledged by
+ * the receiver or the timeout/retransmit maxima are reached. In
+ * the current configuration, the max delay here is 60-70ms.
+ *
+ * The maximum size of data written is the fixed payload size, see
+ * getPayloadSize(). However, you can write less, and the remainder
+ * will just be filled with zeroes.
+ *
+ * TX/RX/RT interrupt flags will be cleared every time write is called
+ *
+ * @param buf Pointer to the data to be sent
+ * @param len Number of bytes to be sent
+ *
+ * @code
+ * radio.stopListening();
+ * radio.write(&data,sizeof(data));
+ * @endcode
+ * @return True if the payload was delivered successfully false if not
+ */
+ bool write( const void* buf, uint8_t len );
+
+ /**
+ * New: Open a pipe for writing via byte array. Old addressing format retained
+ * for compatibility.
+ *
+ * Only one writing pipe can be open at once, but you can change the address
+ * you'll write to. Call stopListening() first.
+ *
+ * Addresses are assigned via a byte array, default is 5 byte address length
+s *
+ * @code
+ * uint8_t addresses[][6] = {"1Node","2Node"};
+ * radio.openWritingPipe(addresses[0]);
+ * @endcode
+ * @code
+ * uint8_t address[] = { 0xCC,0xCE,0xCC,0xCE,0xCC };
+ * radio.openWritingPipe(address);
+ * address[0] = 0x33;
+ * radio.openReadingPipe(1,address);
+ * @endcode
+ * @see setAddressWidth
+ *
+ * @param address The address of the pipe to open. Coordinate these pipe
+ * addresses amongst nodes on the network.
+ */
+
+ void openWritingPipe(const uint8_t *address);
+
+ /**
+ * Open a pipe for reading
+ *
+ * Up to 6 pipes can be open for reading at once. Open all the required
+ * reading pipes, and then call startListening().
+ *
+ * @see openWritingPipe
+ * @see setAddressWidth
+ *
+ * @note Pipes 0 and 1 will store a full 5-byte address. Pipes 2-5 will technically
+ * only store a single byte, borrowing up to 4 additional bytes from pipe #1 per the
+ * assigned address width.
+ * @warning Pipes 1-5 should share the same address, except the first byte.
+ * Only the first byte in the array should be unique, e.g.
+ * @code
+ * uint8_t addresses[][6] = {"1Node","2Node"};
+ * openReadingPipe(1,addresses[0]);
+ * openReadingPipe(2,addresses[1]);
+ * @endcode
+ *
+ * @warning Pipe 0 is also used by the writing pipe. So if you open
+ * pipe 0 for reading, and then startListening(), it will overwrite the
+ * writing pipe. Ergo, do an openWritingPipe() again before write().
+ *
+ * @param number Which pipe# to open, 0-5.
+ * @param address The 24, 32 or 40 bit address of the pipe to open.
+ */
+
+ void openReadingPipe(uint8_t number, const uint8_t *address);
+
+ /**@}*/
+ /**
+ * @name Advanced Operation
+ *
+ * Methods you can use to drive the chip in more advanced ways
+ */
+ /**@{*/
+
+ /**
+ * Print a giant block of debugging information to stdout
+ *
+ * @warning Does nothing if stdout is not defined. See fdevopen in stdio.h
+ * The printf.h file is included with the library for Arduino.
+ * @code
+ * #include <printf.h>
+ * setup(){
+ * Serial.begin(115200);
+ * printf_begin();
+ * ...
+ * }
+ * @endcode
+ */
+ void printDetails(void);
+
+ /**
+ * Test whether there are bytes available to be read in the
+ * FIFO buffers.
+ *
+ * @param[out] pipe_num Which pipe has the payload available
+ *
+ * @code
+ * uint8_t pipeNum;
+ * if(radio.available(&pipeNum)){
+ * radio.read(&data,sizeof(data));
+ * Serial.print("Got data on pipe");
+ * Serial.println(pipeNum);
+ * }
+ * @endcode
+ * @return True if there is a payload available, false if none is
+ */
+ bool available(uint8_t* pipe_num);
+
+ /**
+ * Check if the radio needs to be read. Can be used to prevent data loss
+ * @return True if all three 32-byte radio buffers are full
+ */
+ bool rxFifoFull();
+
+ /**
+ * Enter low-power mode
+ *
+ * To return to normal power mode, call powerUp().
+ *
+ * @note After calling startListening(), a basic radio will consume about 13.5mA
+ * at max PA level.
+ * During active transmission, the radio will consume about 11.5mA, but this will
+ * be reduced to 26uA (.026mA) between sending.
+ * In full powerDown mode, the radio will consume approximately 900nA (.0009mA)
+ *
+ * @code
+ * radio.powerDown();
+ * avr_enter_sleep_mode(); // Custom function to sleep the device
+ * radio.powerUp();
+ * @endcode
+ */
+ void powerDown(void);
+
+ /**
+ * Leave low-power mode - required for normal radio operation after calling powerDown()
+ *
+ * To return to low power mode, call powerDown().
+ * @note This will take up to 5ms for maximum compatibility
+ */
+ void powerUp(void) ;
+
+ /**
+ * Write for single NOACK writes. Optionally disables acknowledgements/autoretries for a single write.
+ *
+ * @note enableDynamicAck() must be called to enable this feature
+ *
+ * Can be used with enableAckPayload() to request a response
+ * @see enableDynamicAck()
+ * @see setAutoAck()
+ * @see write()
+ *
+ * @param buf Pointer to the data to be sent
+ * @param len Number of bytes to be sent
+ * @param multicast Request ACK (0), NOACK (1)
+ */
+ bool write( const void* buf, uint8_t len, const bool multicast );
+
+ /**
+ * This will not block until the 3 FIFO buffers are filled with data.
+ * Once the FIFOs are full, writeFast will simply wait for success or
+ * timeout, and return 1 or 0 respectively. From a user perspective, just
+ * keep trying to send the same data. The library will keep auto retrying
+ * the current payload using the built in functionality.
+ * @warning It is important to never keep the nRF24L01 in TX mode and FIFO full for more than 4ms at a time. If the auto
+ * retransmit is enabled, the nRF24L01 is never in TX mode long enough to disobey this rule. Allow the FIFO
+ * to clear by issuing txStandBy() or ensure appropriate time between transmissions.
+ *
+ * @code
+ * Example (Partial blocking):
+ *
+ * radio.writeFast(&buf,32); // Writes 1 payload to the buffers
+ * txStandBy(); // Returns 0 if failed. 1 if success. Blocks only until MAX_RT timeout or success. Data flushed on fail.
+ *
+ * radio.writeFast(&buf,32); // Writes 1 payload to the buffers
+ * txStandBy(1000); // Using extended timeouts, returns 1 if success. Retries failed payloads for 1 seconds before returning 0.
+ * @endcode
+ *
+ * @see txStandBy()
+ * @see write()
+ * @see writeBlocking()
+ *
+ * @param buf Pointer to the data to be sent
+ * @param len Number of bytes to be sent
+ * @return True if the payload was delivered successfully false if not
+ */
+ bool writeFast( const void* buf, uint8_t len );
+
+ /**
+ * WriteFast for single NOACK writes. Disables acknowledgements/autoretries for a single write.
+ *
+ * @note enableDynamicAck() must be called to enable this feature
+ * @see enableDynamicAck()
+ * @see setAutoAck()
+ *
+ * @param buf Pointer to the data to be sent
+ * @param len Number of bytes to be sent
+ * @param multicast Request ACK (0) or NOACK (1)
+ */
+ bool writeFast( const void* buf, uint8_t len, const bool multicast );
+
+ /**
+ * This function extends the auto-retry mechanism to any specified duration.
+ * It will not block until the 3 FIFO buffers are filled with data.
+ * If so the library will auto retry until a new payload is written
+ * or the user specified timeout period is reached.
+ * @warning It is important to never keep the nRF24L01 in TX mode and FIFO full for more than 4ms at a time. If the auto
+ * retransmit is enabled, the nRF24L01 is never in TX mode long enough to disobey this rule. Allow the FIFO
+ * to clear by issuing txStandBy() or ensure appropriate time between transmissions.
+ *
+ * @code
+ * Example (Full blocking):
+ *
+ * radio.writeBlocking(&buf,32,1000); //Wait up to 1 second to write 1 payload to the buffers
+ * txStandBy(1000); //Wait up to 1 second for the payload to send. Return 1 if ok, 0 if failed.
+ * //Blocks only until user timeout or success. Data flushed on fail.
+ * @endcode
+ * @note If used from within an interrupt, the interrupt should be disabled until completion, and sei(); called to enable millis().
+ * @see txStandBy()
+ * @see write()
+ * @see writeFast()
+ *
+ * @param buf Pointer to the data to be sent
+ * @param len Number of bytes to be sent
+ * @param timeout User defined timeout in milliseconds.
+ * @return True if the payload was loaded into the buffer successfully false if not
+ */
+ bool writeBlocking( const void* buf, uint8_t len, uint32_t timeout );
+
+ /**
+ * This function should be called as soon as transmission is finished to
+ * drop the radio back to STANDBY-I mode. If not issued, the radio will
+ * remain in STANDBY-II mode which, per the data sheet, is not a recommended
+ * operating mode.
+ *
+ * @note When transmitting data in rapid succession, it is still recommended by
+ * the manufacturer to drop the radio out of TX or STANDBY-II mode if there is
+ * time enough between sends for the FIFOs to empty. This is not required if auto-ack
+ * is enabled.
+ *
+ * Relies on built-in auto retry functionality.
+ *
+ * @code
+ * Example (Partial blocking):
+ *
+ * radio.writeFast(&buf,32);
+ * radio.writeFast(&buf,32);
+ * radio.writeFast(&buf,32); //Fills the FIFO buffers up
+ * bool ok = txStandBy(); //Returns 0 if failed. 1 if success.
+ * //Blocks only until MAX_RT timeout or success. Data flushed on fail.
+ * @endcode
+ * @see txStandBy(unsigned long timeout)
+ * @return True if transmission is successful
+ *
+ */
+ bool txStandBy();
+
+ /**
+ * This function allows extended blocking and auto-retries per a user defined timeout
+ * @code
+ * Fully Blocking Example:
+ *
+ * radio.writeFast(&buf,32);
+ * radio.writeFast(&buf,32);
+ * radio.writeFast(&buf,32); //Fills the FIFO buffers up
+ * bool ok = txStandBy(1000); //Returns 0 if failed after 1 second of retries. 1 if success.
+ * //Blocks only until user defined timeout or success. Data flushed on fail.
+ * @endcode
+ * @note If used from within an interrupt, the interrupt should be disabled until completion, and sei(); called to enable millis().
+ * @param timeout Number of milliseconds to retry failed payloads
+ * @return True if transmission is successful
+ *
+ */
+ bool txStandBy(uint32_t timeout, bool startTx = 0);
+
+ /**
+ * Write an ack payload for the specified pipe
+ *
+ * The next time a message is received on @p pipe, the data in @p buf will
+ * be sent back in the acknowledgement.
+ * @see enableAckPayload()
+ * @see enableDynamicPayloads()
+ * @warning Only three of these can be pending at any time as there are only 3 FIFO buffers.<br> Dynamic payloads must be enabled.
+ * @note Ack payloads are handled automatically by the radio chip when a payload is received. Users should generally
+ * write an ack payload as soon as startListening() is called, so one is available when a regular payload is received.
+ * @note Ack payloads are dynamic payloads. This only works on pipes 0&1 by default. Call
+ * enableDynamicPayloads() to enable on all pipes.
+ *
+ * @param pipe Which pipe# (typically 1-5) will get this response.
+ * @param buf Pointer to data that is sent
+ * @param len Length of the data to send, up to 32 bytes max. Not affected
+ * by the static payload set by setPayloadSize().
+ */
+ void writeAckPayload(uint8_t pipe, const void* buf, uint8_t len);
+
+ /**
+ * Determine if an ack payload was received in the most recent call to
+ * write(). The regular available() can also be used.
+ *
+ * Call read() to retrieve the ack payload.
+ *
+ * @return True if an ack payload is available.
+ */
+ bool isAckPayloadAvailable(void);
+
+ /**
+ * Call this when you get an interrupt to find out why
+ *
+ * Tells you what caused the interrupt, and clears the state of
+ * interrupts.
+ *
+ * @param[out] tx_ok The send was successful (TX_DS)
+ * @param[out] tx_fail The send failed, too many retries (MAX_RT)
+ * @param[out] rx_ready There is a message waiting to be read (RX_DS)
+ */
+ void whatHappened(bool& tx_ok,bool& tx_fail,bool& rx_ready);
+
+ /**
+ * Non-blocking write to the open writing pipe used for buffered writes
+ *
+ * @note Optimization: This function now leaves the CE pin high, so the radio
+ * will remain in TX or STANDBY-II Mode until a txStandBy() command is issued. Can be used as an alternative to startWrite()
+ * if writing multiple payloads at once.
+ * @warning It is important to never keep the nRF24L01 in TX mode with FIFO full for more than 4ms at a time. If the auto
+ * retransmit/autoAck is enabled, the nRF24L01 is never in TX mode long enough to disobey this rule. Allow the FIFO
+ * to clear by issuing txStandBy() or ensure appropriate time between transmissions.
+ *
+ * @see write()
+ * @see writeFast()
+ * @see startWrite()
+ * @see writeBlocking()
+ *
+ * For single noAck writes see:
+ * @see enableDynamicAck()
+ * @see setAutoAck()
+ *
+ * @param buf Pointer to the data to be sent
+ * @param len Number of bytes to be sent
+ * @param multicast Request ACK (0) or NOACK (1)
+ * @return True if the payload was delivered successfully false if not
+ */
+ void startFastWrite( const void* buf, uint8_t len, const bool multicast, bool startTx = 1 );
+
+ /**
+ * Non-blocking write to the open writing pipe
+ *
+ * Just like write(), but it returns immediately. To find out what happened
+ * to the send, catch the IRQ and then call whatHappened().
+ *
+ * @see write()
+ * @see writeFast()
+ * @see startFastWrite()
+ * @see whatHappened()
+ *
+ * For single noAck writes see:
+ * @see enableDynamicAck()
+ * @see setAutoAck()
+ *
+ * @param buf Pointer to the data to be sent
+ * @param len Number of bytes to be sent
+ * @param multicast Request ACK (0) or NOACK (1)
+ *
+ */
+ void startWrite( const void* buf, uint8_t len, const bool multicast );
+
+ /**
+ * This function is mainly used internally to take advantage of the auto payload
+ * re-use functionality of the chip, but can be beneficial to users as well.
+ *
+ * The function will instruct the radio to re-use the data in the FIFO buffers,
+ * and instructs the radio to re-send once the timeout limit has been reached.
+ * Used by writeFast and writeBlocking to initiate retries when a TX failure
+ * occurs. Retries are automatically initiated except with the standard write().
+ * This way, data is not flushed from the buffer until switching between modes.
+ *
+ * @note This is to be used AFTER auto-retry fails if wanting to resend
+ * using the built-in payload reuse features.
+ * After issuing reUseTX(), it will keep reending the same payload forever or until
+ * a payload is written to the FIFO, or a flush_tx command is given.
+ */
+ void reUseTX();
+
+ /**
+ * Empty the transmit buffer. This is generally not required in standard operation.
+ * May be required in specific cases after stopListening() , if operating at 250KBPS data rate.
+ *
+ * @return Current value of status register
+ */
+ uint8_t flush_tx(void);
+
+ /**
+ * Test whether there was a carrier on the line for the
+ * previous listening period.
+ *
+ * Useful to check for interference on the current channel.
+ *
+ * @return true if was carrier, false if not
+ */
+ bool testCarrier(void);
+
+ /**
+ * Test whether a signal (carrier or otherwise) greater than
+ * or equal to -64dBm is present on the channel. Valid only
+ * on nRF24L01P (+) hardware. On nRF24L01, use testCarrier().
+ *
+ * Useful to check for interference on the current channel and
+ * channel hopping strategies.
+ *
+ * @code
+ * bool goodSignal = radio.testRPD();
+ * if(radio.available()){
+ * Serial.println(goodSignal ? "Strong signal > 64dBm" : "Weak signal < 64dBm" );
+ * radio.read(0,0);
+ * }
+ * @endcode
+ * @return true if signal => -64dBm, false if not
+ */
+ bool testRPD(void) ;
+
+ /**
+ * Test whether this is a real radio, or a mock shim for
+ * debugging. Setting either pin to 0xff is the way to
+ * indicate that this is not a real radio.
+ *
+ * @return true if this is a legitimate radio
+ */
+ bool isValid() { return ce_pin != 0xff && csn_pin != 0xff; }
+
+ /**
+ * Close a pipe after it has been previously opened.
+ * Can be safely called without having previously opened a pipe.
+ * @param pipe Which pipe # to close, 0-5.
+ */
+ void closeReadingPipe( uint8_t pipe ) ;
+
+ /**
+ * Enable error detection by un-commenting #define FAILURE_HANDLING in RF24_config.h
+ * If a failure has been detected, it usually indicates a hardware issue. By default the library
+ * will cease operation when a failure is detected.
+ * This should allow advanced users to detect and resolve intermittent hardware issues.
+ *
+ * In most cases, the radio must be re-enabled via radio.begin(); and the appropriate settings
+ * applied after a failure occurs, if wanting to re-enable the device immediately.
+ *
+ * Usage: (Failure handling must be enabled per above)
+ * @code
+ * if(radio.failureDetected){
+ * radio.begin(); // Attempt to re-configure the radio with defaults
+ * radio.failureDetected = 0; // Reset the detection value
+ * radio.openWritingPipe(addresses[1]); // Re-configure pipe addresses
+ * radio.openReadingPipe(1,addresses[0]);
+ * report_failure(); // Blink leds, send a message, etc. to indicate failure
+ * }
+ * @endcode
+ */
+ //#if defined (FAILURE_HANDLING)
+ bool failureDetected;
+ //#endif
+
+ /**@}*/
+
+ /**@}*/
+ /**
+ * @name Optional Configurators
+ *
+ * Methods you can use to get or set the configuration of the chip.
+ * None are required. Calling begin() sets up a reasonable set of
+ * defaults.
+ */
+ /**@{*/
+
+ /**
+ * Set the address width from 3 to 5 bytes (24, 32 or 40 bit)
+ *
+ * @param a_width The address width to use: 3,4 or 5
+ */
+
+ void setAddressWidth(uint8_t a_width);
+
+ /**
+ * Set the number and delay of retries upon failed submit
+ *
+ * @param delay How long to wait between each retry, in multiples of 250us,
+ * max is 15. 0 means 250us, 15 means 4000us.
+ * @param count How many retries before giving up, max 15
+ */
+ void setRetries(uint8_t delay, uint8_t count);
+
+ /**
+ * Set RF communication channel
+ *
+ * @param channel Which RF channel to communicate on, 0-125
+ */
+ void setChannel(uint8_t channel);
+
/**
- * @name Primary public interface
- *
- * These are the main methods you need to operate the chip
- */
- /**@{*/
+ * Get RF communication channel
+ *
+ * @return The currently configured RF Channel
+ */
+ uint8_t getChannel(void);
+
+ /**
+ * Set Static Payload Size
+ *
+ * This implementation uses a pre-stablished fixed payload size for all
+ * transmissions. If this method is never called, the driver will always
+ * transmit the maximum payload size (32 bytes), no matter how much
+ * was sent to write().
+ *
+ * @todo Implement variable-sized payloads feature
+ *
+ * @param size The number of bytes in the payload
+ */
+ void setPayloadSize(uint8_t size);
+
+ /**
+ * Get Static Payload Size
+ *
+ * @see setPayloadSize()
+ *
+ * @return The number of bytes in the payload
+ */
+ uint8_t getPayloadSize(void);
+
+ /**
+ * Get Dynamic Payload Size
+ *
+ * For dynamic payloads, this pulls the size of the payload off
+ * the chip
+ *
+ * @note Corrupt packets are now detected and flushed per the
+ * manufacturer.
+ * @code
+ * if(radio.available()){
+ * if(radio.getDynamicPayloadSize() < 1){
+ * // Corrupt payload has been flushed
+ * return;
+ * }
+ * radio.read(&data,sizeof(data));
+ * }
+ * @endcode
+ *
+ * @return Payload length of last-received dynamic payload
+ */
+ uint8_t getDynamicPayloadSize(void);
+
+ /**
+ * Enable custom payloads on the acknowledge packets
+ *
+ * Ack payloads are a handy way to return data back to senders without
+ * manually changing the radio modes on both units.
+ *
+ * @note Ack payloads are dynamic payloads. This only works on pipes 0&1 by default. Call
+ * enableDynamicPayloads() to enable on all pipes.
+ */
+ void enableAckPayload(void);
+
+ /**
+ * Enable dynamically-sized payloads
+ *
+ * This way you don't always have to send large packets just to send them
+ * once in a while. This enables dynamic payloads on ALL pipes.
+ *
+ */
+ void enableDynamicPayloads(void);
+
+ /**
+ * Enable dynamic ACKs (single write multicast or unicast) for chosen messages
+ *
+ * @note To enable full multicast or per-pipe multicast, use setAutoAck()
+ *
+ * @warning This MUST be called prior to attempting single write NOACK calls
+ * @code
+ * radio.enableDynamicAck();
+ * radio.write(&data,32,1); // Sends a payload with no acknowledgement requested
+ * radio.write(&data,32,0); // Sends a payload using auto-retry/autoACK
+ * @endcode
+ */
+ void enableDynamicAck();
+
+ /**
+ * Determine whether the hardware is an nRF24L01+ or not.
+ *
+ * @return true if the hardware is nRF24L01+ (or compatible) and false
+ * if its not.
+ */
+ bool isPVariant(void) ;
- RF24(PinName mosi, PinName miso, PinName sck, PinName _cepin, PinName _csnpin);
+ /**
+ * Enable or disable auto-acknowlede packets
+ *
+ * This is enabled by default, so it's only needed if you want to turn
+ * it off for some reason.
+ *
+ * @param enable Whether to enable (true) or disable (false) auto-acks
+ */
+ void setAutoAck(bool enable);
+
+ /**
+ * Enable or disable auto-acknowlede packets on a per pipeline basis.
+ *
+ * AA is enabled by default, so it's only needed if you want to turn
+ * it off/on for some reason on a per pipeline basis.
+ *
+ * @param pipe Which pipeline to modify
+ * @param enable Whether to enable (true) or disable (false) auto-acks
+ */
+ void setAutoAck( uint8_t pipe, bool enable ) ;
+
+ /**
+ * Set Power Amplifier (PA) level to one of four levels:
+ * RF24_PA_MIN, RF24_PA_LOW, RF24_PA_HIGH and RF24_PA_MAX
+ *
+ * The power levels correspond to the following output levels respectively:
+ * NRF24L01: -18dBm, -12dBm,-6dBM, and 0dBm
+ *
+ * SI24R1: -6dBm, 0dBm, 3dBM, and 7dBm.
+ *
+ * @param level Desired PA level.
+ */
+ void setPALevel ( uint8_t level );
+
+ /**
+ * Fetches the current PA level.
+ *
+ * NRF24L01: -18dBm, -12dBm, -6dBm and 0dBm
+ * SI24R1: -6dBm, 0dBm, 3dBm, 7dBm
+ *
+ * @return Returns values 0 to 3 representing the PA Level.
+ */
+ uint8_t getPALevel( void );
+
+ /**
+ * Set the transmission data rate
+ *
+ * @warning setting RF24_250KBPS will fail for non-plus units
+ *
+ * @param speed RF24_250KBPS for 250kbs, RF24_1MBPS for 1Mbps, or RF24_2MBPS for 2Mbps
+ * @return true if the change was successful
+ */
+ bool setDataRate(rf24_datarate_e speed);
+
+ /**
+ * Fetches the transmission data rate
+ *
+ * @return Returns the hardware's currently configured datarate. The value
+ * is one of 250kbs, RF24_1MBPS for 1Mbps, or RF24_2MBPS, as defined in the
+ * rf24_datarate_e enum.
+ */
+ rf24_datarate_e getDataRate( void ) ;
+
+ /**
+ * Set the CRC length
+ * <br>CRC checking cannot be disabled if auto-ack is enabled
+ * @param length RF24_CRC_8 for 8-bit or RF24_CRC_16 for 16-bit
+ */
+ void setCRCLength(rf24_crclength_e length);
+
+ /**
+ * Get the CRC length
+ * <br>CRC checking cannot be disabled if auto-ack is enabled
+ * @return RF24_DISABLED if disabled or RF24_CRC_8 for 8-bit or RF24_CRC_16 for 16-bit
+ */
+ rf24_crclength_e getCRCLength(void);
+
+ /**
+ * Disable CRC validation
+ *
+ * @warning CRC cannot be disabled if auto-ack/ESB is enabled.
+ */
+ void disableCRC( void ) ;
+
+ /**
+ * The radio will generate interrupt signals when a transmission is complete,
+ * a transmission fails, or a payload is received. This allows users to mask
+ * those interrupts to prevent them from generating a signal on the interrupt
+ * pin. Interrupts are enabled on the radio chip by default.
+ *
+ * @code
+ * Mask all interrupts except the receive interrupt:
+ *
+ * radio.maskIRQ(1,1,0);
+ * @endcode
+ *
+ * @param tx_ok Mask transmission complete interrupts
+ * @param tx_fail Mask transmit failure interrupts
+ * @param rx_ready Mask payload received interrupts
+ */
+ void maskIRQ(bool tx_ok,bool tx_fail,bool rx_ready);
+
+ /**@}*/
+ /**
+ * @name Deprecated
+ *
+ * Methods provided for backwards compabibility.
+ */
+ /**@{*/
- /**
- * Begin operation of the chip
- *
- * Call this in setup(), before calling any other methods.
- * @code radio.begin() @endcode
- */
- bool begin(void);
-
- /**
- * Start listening on the pipes opened for reading.
- *
- * 1. Be sure to call openReadingPipe() first.
- * 2. Do not call write() while in this mode, without first calling stopListening().
- * 3. Call available() to check for incoming traffic, and read() to get it.
- *
- * @code
- * Open reading pipe 1 using address CCCECCCECC
- *
- * byte address[] = { 0xCC,0xCE,0xCC,0xCE,0xCC };
- * radio.openReadingPipe(1,address);
- * radio.startListening();
- * @endcode
- */
- void startListening(void);
-
- /**
- * Stop listening for incoming messages, and switch to transmit mode.
- *
- * Do this before calling write().
- * @code
- * radio.stopListening();
- * radio.write(&data,sizeof(data));
- * @endcode
- */
- void stopListening(void);
-
- /**
- * Check whether there are bytes available to be read
- * @code
- * if(radio.available()){
- * radio.read(&data,sizeof(data));
- * }
- * @endcode
- * @return True if there is a payload available, false if none is
- */
- bool available(void);
-
- /**
- * Read the available payload
- *
- * The size of data read is the fixed payload size, see getPayloadSize()
- *
- * @note I specifically chose 'void*' as a data type to make it easier
- * for beginners to use. No casting needed.
- *
- * @note No longer boolean. Use available to determine if packets are
- * available. Interrupt flags are now cleared during reads instead of
- * when calling available().
- *
- * @param buf Pointer to a buffer where the data should be written
- * @param len Maximum number of bytes to read into the buffer
- *
- * @code
- * if(radio.available()){
- * radio.read(&data,sizeof(data));
- * }
- * @endcode
- * @return No return value. Use available().
- */
- void read( void* buf, uint8_t len );
-
- /**
- * Be sure to call openWritingPipe() first to set the destination
- * of where to write to.
- *
- * This blocks until the message is successfully acknowledged by
- * the receiver or the timeout/retransmit maxima are reached. In
- * the current configuration, the max delay here is 60-70ms.
- *
- * The maximum size of data written is the fixed payload size, see
- * getPayloadSize(). However, you can write less, and the remainder
- * will just be filled with zeroes.
- *
- * TX/RX/RT interrupt flags will be cleared every time write is called
- *
- * @param buf Pointer to the data to be sent
- * @param len Number of bytes to be sent
- *
- * @code
- * radio.stopListening();
- * radio.write(&data,sizeof(data));
- * @endcode
- * @return True if the payload was delivered successfully false if not
- */
- bool write( const void* buf, uint8_t len );
-
- /**
- * New: Open a pipe for writing via byte array. Old addressing format retained
- * for compatibility.
- *
- * Only one writing pipe can be open at once, but you can change the address
- * you'll write to. Call stopListening() first.
- *
- * Addresses are assigned via a byte array, default is 5 byte address length
- s *
- * @code
- * uint8_t addresses[][6] = {"1Node","2Node"};
- * radio.openWritingPipe(addresses[0]);
- * @endcode
- * @code
- * uint8_t address[] = { 0xCC,0xCE,0xCC,0xCE,0xCC };
- * radio.openWritingPipe(address);
- * address[0] = 0x33;
- * radio.openReadingPipe(1,address);
- * @endcode
- * @see setAddressWidth
- *
- * @param address The address of the pipe to open. Coordinate these pipe
- * addresses amongst nodes on the network.
- */
-
- void openWritingPipe(const uint8_t *address);
-
- /**
- * Open a pipe for reading
- *
- * Up to 6 pipes can be open for reading at once. Open all the required
- * reading pipes, and then call startListening().
- *
- * @see openWritingPipe
- * @see setAddressWidth
- *
- * @note Pipes 0 and 1 will store a full 5-byte address. Pipes 2-5 will technically
- * only store a single byte, borrowing up to 4 additional bytes from pipe #1 per the
- * assigned address width.
- * @warning Pipes 1-5 should share the same address, except the first byte.
- * Only the first byte in the array should be unique, e.g.
- * @code
- * uint8_t addresses[][6] = {"1Node","2Node"};
- * openReadingPipe(1,addresses[0]);
- * openReadingPipe(2,addresses[1]);
- * @endcode
- *
- * @warning Pipe 0 is also used by the writing pipe. So if you open
- * pipe 0 for reading, and then startListening(), it will overwrite the
- * writing pipe. Ergo, do an openWritingPipe() again before write().
- *
- * @param number Which pipe# to open, 0-5.
- * @param address The 24, 32 or 40 bit address of the pipe to open.
- */
-
- void openReadingPipe(uint8_t number, const uint8_t *address);
-
- /**@}*/
- /**
- * @name Advanced Operation
- *
- * Methods you can use to drive the chip in more advanced ways
- */
- /**@{*/
-
- /**
- * Print a giant block of debugging information to stdout
- *
- * @warning Does nothing if stdout is not defined. See fdevopen in stdio.h
- * The printf.h file is included with the library for Arduino.
- * @code
- * #include <printf.h>
- * setup(){
- * Serial.begin(115200);
- * printf_begin();
- * ...
- * }
- * @endcode
- */
- void printDetails(void);
-
- /**
- * Test whether there are bytes available to be read in the
- * FIFO buffers.
- *
- * @param[out] pipe_num Which pipe has the payload available
- *
- * @code
- * uint8_t pipeNum;
- * if(radio.available(&pipeNum)){
- * radio.read(&data,sizeof(data));
- * Serial.print("Got data on pipe");
- * Serial.println(pipeNum);
- * }
- * @endcode
- * @return True if there is a payload available, false if none is
- */
- bool available(uint8_t* pipe_num);
-
- /**
- * Check if the radio needs to be read. Can be used to prevent data loss
- * @return True if all three 32-byte radio buffers are full
- */
- bool rxFifoFull();
-
- /**
- * Enter low-power mode
- *
- * To return to normal power mode, call powerUp().
- *
- * @note After calling startListening(), a basic radio will consume about 13.5mA
- * at max PA level.
- * During active transmission, the radio will consume about 11.5mA, but this will
- * be reduced to 26uA (.026mA) between sending.
- * In full powerDown mode, the radio will consume approximately 900nA (.0009mA)
- *
- * @code
- * radio.powerDown();
- * avr_enter_sleep_mode(); // Custom function to sleep the device
- * radio.powerUp();
- * @endcode
- */
- void powerDown(void);
-
- /**
- * Leave low-power mode - required for normal radio operation after calling powerDown()
- *
- * To return to low power mode, call powerDown().
- * @note This will take up to 5ms for maximum compatibility
- */
- void powerUp(void) ;
-
- /**
- * Write for single NOACK writes. Optionally disables acknowledgements/autoretries for a single write.
- *
- * @note enableDynamicAck() must be called to enable this feature
- *
- * Can be used with enableAckPayload() to request a response
- * @see enableDynamicAck()
- * @see setAutoAck()
- * @see write()
- *
- * @param buf Pointer to the data to be sent
- * @param len Number of bytes to be sent
- * @param multicast Request ACK (0), NOACK (1)
- */
- bool write( const void* buf, uint8_t len, const bool multicast );
-
- /**
- * This will not block until the 3 FIFO buffers are filled with data.
- * Once the FIFOs are full, writeFast will simply wait for success or
- * timeout, and return 1 or 0 respectively. From a user perspective, just
- * keep trying to send the same data. The library will keep auto retrying
- * the current payload using the built in functionality.
- * @warning It is important to never keep the nRF24L01 in TX mode and FIFO full for more than 4ms at a time. If the auto
- * retransmit is enabled, the nRF24L01 is never in TX mode long enough to disobey this rule. Allow the FIFO
- * to clear by issuing txStandBy() or ensure appropriate time between transmissions.
- *
- * @code
- * Example (Partial blocking):
- *
- * radio.writeFast(&buf,32); // Writes 1 payload to the buffers
- * txStandBy(); // Returns 0 if failed. 1 if success. Blocks only until MAX_RT timeout or success. Data flushed on fail.
- *
- * radio.writeFast(&buf,32); // Writes 1 payload to the buffers
- * txStandBy(1000); // Using extended timeouts, returns 1 if success. Retries failed payloads for 1 seconds before returning 0.
- * @endcode
- *
- * @see txStandBy()
- * @see write()
- * @see writeBlocking()
- *
- * @param buf Pointer to the data to be sent
- * @param len Number of bytes to be sent
- * @return True if the payload was delivered successfully false if not
- */
- bool writeFast( const void* buf, uint8_t len );
-
- /**
- * WriteFast for single NOACK writes. Disables acknowledgements/autoretries for a single write.
- *
- * @note enableDynamicAck() must be called to enable this feature
- * @see enableDynamicAck()
- * @see setAutoAck()
- *
- * @param buf Pointer to the data to be sent
- * @param len Number of bytes to be sent
- * @param multicast Request ACK (0) or NOACK (1)
- */
- bool writeFast( const void* buf, uint8_t len, const bool multicast );
-
- /**
- * This function extends the auto-retry mechanism to any specified duration.
- * It will not block until the 3 FIFO buffers are filled with data.
- * If so the library will auto retry until a new payload is written
- * or the user specified timeout period is reached.
- * @warning It is important to never keep the nRF24L01 in TX mode and FIFO full for more than 4ms at a time. If the auto
- * retransmit is enabled, the nRF24L01 is never in TX mode long enough to disobey this rule. Allow the FIFO
- * to clear by issuing txStandBy() or ensure appropriate time between transmissions.
- *
- * @code
- * Example (Full blocking):
- *
- * radio.writeBlocking(&buf,32,1000); //Wait up to 1 second to write 1 payload to the buffers
- * txStandBy(1000); //Wait up to 1 second for the payload to send. Return 1 if ok, 0 if failed.
- * //Blocks only until user timeout or success. Data flushed on fail.
- * @endcode
- * @note If used from within an interrupt, the interrupt should be disabled until completion, and sei(); called to enable millis().
- * @see txStandBy()
- * @see write()
- * @see writeFast()
- *
- * @param buf Pointer to the data to be sent
- * @param len Number of bytes to be sent
- * @param timeout User defined timeout in milliseconds.
- * @return True if the payload was loaded into the buffer successfully false if not
- */
- bool writeBlocking( const void* buf, uint8_t len, uint32_t timeout );
-
- /**
- * This function should be called as soon as transmission is finished to
- * drop the radio back to STANDBY-I mode. If not issued, the radio will
- * remain in STANDBY-II mode which, per the data sheet, is not a recommended
- * operating mode.
- *
- * @note When transmitting data in rapid succession, it is still recommended by
- * the manufacturer to drop the radio out of TX or STANDBY-II mode if there is
- * time enough between sends for the FIFOs to empty. This is not required if auto-ack
- * is enabled.
- *
- * Relies on built-in auto retry functionality.
- *
- * @code
- * Example (Partial blocking):
- *
- * radio.writeFast(&buf,32);
- * radio.writeFast(&buf,32);
- * radio.writeFast(&buf,32); //Fills the FIFO buffers up
- * bool ok = txStandBy(); //Returns 0 if failed. 1 if success.
- * //Blocks only until MAX_RT timeout or success. Data flushed on fail.
- * @endcode
- * @see txStandBy(unsigned long timeout)
- * @return True if transmission is successful
- *
- */
- bool txStandBy();
-
- /**
- * This function allows extended blocking and auto-retries per a user defined timeout
- * @code
- * Fully Blocking Example:
- *
- * radio.writeFast(&buf,32);
- * radio.writeFast(&buf,32);
- * radio.writeFast(&buf,32); //Fills the FIFO buffers up
- * bool ok = txStandBy(1000); //Returns 0 if failed after 1 second of retries. 1 if success.
- * //Blocks only until user defined timeout or success. Data flushed on fail.
- * @endcode
- * @note If used from within an interrupt, the interrupt should be disabled until completion, and sei(); called to enable millis().
- * @param timeout Number of milliseconds to retry failed payloads
- * @return True if transmission is successful
- *
- */
- bool txStandBy(uint32_t timeout, bool startTx = 0);
-
- /**
- * Write an ack payload for the specified pipe
- *
- * The next time a message is received on @p pipe, the data in @p buf will
- * be sent back in the acknowledgement.
- * @see enableAckPayload()
- * @see enableDynamicPayloads()
- * @warning Only three of these can be pending at any time as there are only 3 FIFO buffers.<br> Dynamic payloads must be enabled.
- * @note Ack payloads are handled automatically by the radio chip when a payload is received. Users should generally
- * write an ack payload as soon as startListening() is called, so one is available when a regular payload is received.
- * @note Ack payloads are dynamic payloads. This only works on pipes 0&1 by default. Call
- * enableDynamicPayloads() to enable on all pipes.
- *
- * @param pipe Which pipe# (typically 1-5) will get this response.
- * @param buf Pointer to data that is sent
- * @param len Length of the data to send, up to 32 bytes max. Not affected
- * by the static payload set by setPayloadSize().
- */
- void writeAckPayload(uint8_t pipe, const void* buf, uint8_t len);
-
- /**
- * Determine if an ack payload was received in the most recent call to
- * write(). The regular available() can also be used.
- *
- * Call read() to retrieve the ack payload.
- *
- * @return True if an ack payload is available.
- */
- bool isAckPayloadAvailable(void);
-
- /**
- * Call this when you get an interrupt to find out why
- *
- * Tells you what caused the interrupt, and clears the state of
- * interrupts.
- *
- * @param[out] tx_ok The send was successful (TX_DS)
- * @param[out] tx_fail The send failed, too many retries (MAX_RT)
- * @param[out] rx_ready There is a message waiting to be read (RX_DS)
- */
- void whatHappened(bool& tx_ok,bool& tx_fail,bool& rx_ready);
+ /**
+ * Open a pipe for reading
+ * @note For compatibility with old code only, see new function
+ *
+ * @warning Pipes 1-5 should share the first 32 bits.
+ * Only the least significant byte should be unique, e.g.
+ * @code
+ * openReadingPipe(1,0xF0F0F0F0AA);
+ * openReadingPipe(2,0xF0F0F0F066);
+ * @endcode
+ *
+ * @warning Pipe 0 is also used by the writing pipe. So if you open
+ * pipe 0 for reading, and then startListening(), it will overwrite the
+ * writing pipe. Ergo, do an openWritingPipe() again before write().
+ *
+ * @param number Which pipe# to open, 0-5.
+ * @param address The 40-bit address of the pipe to open.
+ */
+ void openReadingPipe(uint8_t number, uint64_t address);
- /**
- * Non-blocking write to the open writing pipe used for buffered writes
- *
- * @note Optimization: This function now leaves the CE pin high, so the radio
- * will remain in TX or STANDBY-II Mode until a txStandBy() command is issued. Can be used as an alternative to startWrite()
- * if writing multiple payloads at once.
- * @warning It is important to never keep the nRF24L01 in TX mode with FIFO full for more than 4ms at a time. If the auto
- * retransmit/autoAck is enabled, the nRF24L01 is never in TX mode long enough to disobey this rule. Allow the FIFO
- * to clear by issuing txStandBy() or ensure appropriate time between transmissions.
- *
- * @see write()
- * @see writeFast()
- * @see startWrite()
- * @see writeBlocking()
- *
- * For single noAck writes see:
- * @see enableDynamicAck()
- * @see setAutoAck()
- *
- * @param buf Pointer to the data to be sent
- * @param len Number of bytes to be sent
- * @param multicast Request ACK (0) or NOACK (1)
- * @return True if the payload was delivered successfully false if not
- */
- void startFastWrite( const void* buf, uint8_t len, const bool multicast, bool startTx = 1 );
-
- /**
- * Non-blocking write to the open writing pipe
- *
- * Just like write(), but it returns immediately. To find out what happened
- * to the send, catch the IRQ and then call whatHappened().
- *
- * @see write()
- * @see writeFast()
- * @see startFastWrite()
- * @see whatHappened()
- *
- * For single noAck writes see:
- * @see enableDynamicAck()
- * @see setAutoAck()
- *
- * @param buf Pointer to the data to be sent
- * @param len Number of bytes to be sent
- * @param multicast Request ACK (0) or NOACK (1)
- *
- */
- void startWrite( const void* buf, uint8_t len, const bool multicast );
-
- /**
- * This function is mainly used internally to take advantage of the auto payload
- * re-use functionality of the chip, but can be beneficial to users as well.
- *
- * The function will instruct the radio to re-use the data in the FIFO buffers,
- * and instructs the radio to re-send once the timeout limit has been reached.
- * Used by writeFast and writeBlocking to initiate retries when a TX failure
- * occurs. Retries are automatically initiated except with the standard write().
- * This way, data is not flushed from the buffer until switching between modes.
- *
- * @note This is to be used AFTER auto-retry fails if wanting to resend
- * using the built-in payload reuse features.
- * After issuing reUseTX(), it will keep reending the same payload forever or until
- * a payload is written to the FIFO, or a flush_tx command is given.
- */
- void reUseTX();
-
- /**
- * Empty the transmit buffer. This is generally not required in standard operation.
- * May be required in specific cases after stopListening() , if operating at 250KBPS data rate.
- *
- * @return Current value of status register
- */
- uint8_t flush_tx(void);
-
- /**
- * Test whether there was a carrier on the line for the
- * previous listening period.
- *
- * Useful to check for interference on the current channel.
- *
- * @return true if was carrier, false if not
- */
- bool testCarrier(void);
-
- /**
- * Test whether a signal (carrier or otherwise) greater than
- * or equal to -64dBm is present on the channel. Valid only
- * on nRF24L01P (+) hardware. On nRF24L01, use testCarrier().
- *
- * Useful to check for interference on the current channel and
- * channel hopping strategies.
- *
- * @code
- * bool goodSignal = radio.testRPD();
- * if(radio.available()){
- * Serial.println(goodSignal ? "Strong signal > 64dBm" : "Weak signal < 64dBm" );
- * radio.read(0,0);
- * }
- * @endcode
- * @return true if signal => -64dBm, false if not
- */
- bool testRPD(void) ;
-
- /**
- * Test whether this is a real radio, or a mock shim for
- * debugging. Setting either pin to 0xff is the way to
- * indicate that this is not a real radio.
- *
- * @return true if this is a legitimate radio
- */
- bool isValid() {
- return ce_pin != 0xff && csn_pin != 0xff;
- }
-
- /**
- * Close a pipe after it has been previously opened.
- * Can be safely called without having previously opened a pipe.
- * @param pipe Which pipe # to close, 0-5.
- */
- void closeReadingPipe( uint8_t pipe ) ;
-
- /**
- * Enable error detection by un-commenting #define FAILURE_HANDLING in RF24_config.h
- * If a failure has been detected, it usually indicates a hardware issue. By default the library
- * will cease operation when a failure is detected.
- * This should allow advanced users to detect and resolve intermittent hardware issues.
- *
- * In most cases, the radio must be re-enabled via radio.begin(); and the appropriate settings
- * applied after a failure occurs, if wanting to re-enable the device immediately.
- *
- * Usage: (Failure handling must be enabled per above)
- * @code
- * if(radio.failureDetected){
- * radio.begin(); // Attempt to re-configure the radio with defaults
- * radio.failureDetected = 0; // Reset the detection value
- * radio.openWritingPipe(addresses[1]); // Re-configure pipe addresses
- * radio.openReadingPipe(1,addresses[0]);
- * report_failure(); // Blink leds, send a message, etc. to indicate failure
- * }
- * @endcode
- */
- //#if defined (FAILURE_HANDLING)
- bool failureDetected;
- //#endif
-
- /**@}*/
-
- /**@}*/
- /**
- * @name Optional Configurators
- *
- * Methods you can use to get or set the configuration of the chip.
- * None are required. Calling begin() sets up a reasonable set of
- * defaults.
- */
- /**@{*/
-
- /**
- * Set the address width from 3 to 5 bytes (24, 32 or 40 bit)
- *
- * @param a_width The address width to use: 3,4 or 5
- */
-
- void setAddressWidth(uint8_t a_width);
-
- /**
- * Set the number and delay of retries upon failed submit
- *
- * @param delay How long to wait between each retry, in multiples of 250us,
- * max is 15. 0 means 250us, 15 means 4000us.
- * @param count How many retries before giving up, max 15
- */
- void setRetries(uint8_t delay, uint8_t count);
-
- /**
- * Set RF communication channel
- *
- * @param channel Which RF channel to communicate on, 0-127
- */
- void setChannel(uint8_t channel);
-
- /**
- * Get RF communication channel
- *
- * @return The currently configured RF Channel
- */
- uint8_t getChannel(void);
-
- /**
- * Set Static Payload Size
- *
- * This implementation uses a pre-stablished fixed payload size for all
- * transmissions. If this method is never called, the driver will always
- * transmit the maximum payload size (32 bytes), no matter how much
- * was sent to write().
- *
- * @todo Implement variable-sized payloads feature
- *
- * @param size The number of bytes in the payload
- */
- void setPayloadSize(uint8_t size);
-
- /**
- * Get Static Payload Size
- *
- * @see setPayloadSize()
- *
- * @return The number of bytes in the payload
- */
- uint8_t getPayloadSize(void);
-
- /**
- * Get Dynamic Payload Size
- *
- * For dynamic payloads, this pulls the size of the payload off
- * the chip
- *
- * @note Corrupt packets are now detected and flushed per the
- * manufacturer.
- * @code
- * if(radio.available()){
- * if(radio.getDynamicPayloadSize() < 1){
- * // Corrupt payload has been flushed
- * return;
- * }
- * radio.read(&data,sizeof(data));
- * }
- * @endcode
- *
- * @return Payload length of last-received dynamic payload
- */
- uint8_t getDynamicPayloadSize(void);
-
- /**
- * Enable custom payloads on the acknowledge packets
- *
- * Ack payloads are a handy way to return data back to senders without
- * manually changing the radio modes on both units.
- *
- * @note Ack payloads are dynamic payloads. This only works on pipes 0&1 by default. Call
- * enableDynamicPayloads() to enable on all pipes.
- */
- void enableAckPayload(void);
-
- /**
- * Enable dynamically-sized payloads
- *
- * This way you don't always have to send large packets just to send them
- * once in a while. This enables dynamic payloads on ALL pipes.
- *
- */
- void enableDynamicPayloads(void);
-
- /**
- * Enable dynamic ACKs (single write multicast or unicast) for chosen messages
- *
- * @note To enable full multicast or per-pipe multicast, use setAutoAck()
- *
- * @warning This MUST be called prior to attempting single write NOACK calls
- * @code
- * radio.enableDynamicAck();
- * radio.write(&data,32,1); // Sends a payload with no acknowledgement requested
- * radio.write(&data,32,0); // Sends a payload using auto-retry/autoACK
- * @endcode
- */
- void enableDynamicAck();
-
- /**
- * Determine whether the hardware is an nRF24L01+ or not.
- *
- * @return true if the hardware is nRF24L01+ (or compatible) and false
- * if its not.
- */
- bool isPVariant(void) ;
-
- /**
- * Enable or disable auto-acknowlede packets
- *
- * This is enabled by default, so it's only needed if you want to turn
- * it off for some reason.
- *
- * @param enable Whether to enable (true) or disable (false) auto-acks
- */
- void setAutoAck(bool enable);
-
- /**
- * Enable or disable auto-acknowlede packets on a per pipeline basis.
- *
- * AA is enabled by default, so it's only needed if you want to turn
- * it off/on for some reason on a per pipeline basis.
- *
- * @param pipe Which pipeline to modify
- * @param enable Whether to enable (true) or disable (false) auto-acks
- */
- void setAutoAck( uint8_t pipe, bool enable ) ;
-
- /**
- * Set Power Amplifier (PA) level to one of four levels:
- * RF24_PA_MIN, RF24_PA_LOW, RF24_PA_HIGH and RF24_PA_MAX
- *
- * The power levels correspond to the following output levels respectively:
- * NRF24L01: -18dBm, -12dBm,-6dBM, and 0dBm
- *
- * SI24R1: -6dBm, 0dBm, 3dBM, and 7dBm.
- *
- * @param level Desired PA level.
- */
- void setPALevel ( uint8_t level );
-
- /**
- * Fetches the current PA level.
- *
- * NRF24L01: -18dBm, -12dBm, -6dBm and 0dBm
- * SI24R1: -6dBm, 0dBm, 3dBm, 7dBm
- *
- * @return Returns values 0 to 3 representing the PA Level.
- */
- uint8_t getPALevel( void );
-
- /**
- * Set the transmission data rate
- *
- * @warning setting RF24_250KBPS will fail for non-plus units
- *
- * @param speed RF24_250KBPS for 250kbs, RF24_1MBPS for 1Mbps, or RF24_2MBPS for 2Mbps
- * @return true if the change was successful
- */
- bool setDataRate(rf24_datarate_e speed);
-
- /**
- * Fetches the transmission data rate
- *
- * @return Returns the hardware's currently configured datarate. The value
- * is one of 250kbs, RF24_1MBPS for 1Mbps, or RF24_2MBPS, as defined in the
- * rf24_datarate_e enum.
- */
- rf24_datarate_e getDataRate( void ) ;
-
- /**
- * Set the CRC length
- *
- * @param length RF24_CRC_8 for 8-bit or RF24_CRC_16 for 16-bit
- */
- void setCRCLength(rf24_crclength_e length);
-
- /**
- * Get the CRC length
- *
- * @return RF24_DISABLED if disabled or RF24_CRC_8 for 8-bit or RF24_CRC_16 for 16-bit
- */
- rf24_crclength_e getCRCLength(void);
-
- /**
- * Disable CRC validation
- *
- * @warning CRC cannot be disabled if auto-ack/ESB is enabled.
- */
- void disableCRC( void ) ;
-
- /**
- * The radio will generate interrupt signals when a transmission is complete,
- * a transmission fails, or a payload is received. This allows users to mask
- * those interrupts to prevent them from generating a signal on the interrupt
- * pin. Interrupts are enabled on the radio chip by default.
- *
- * @code
- * Mask all interrupts except the receive interrupt:
- *
- * radio.maskIRQ(1,1,0);
- * @endcode
- *
- * @param tx_ok Mask transmission complete interrupts
- * @param tx_fail Mask transmit failure interrupts
- * @param rx_ready Mask payload received interrupts
- */
- void maskIRQ(bool tx_ok,bool tx_fail,bool rx_ready);
-
- /**@}*/
- /**
- * @name Deprecated
- *
- * Methods provided for backwards compabibility.
- */
- /**@{*/
-
-
- /**
- * Open a pipe for reading
- * @note For compatibility with old code only, see new function
- *
- * @warning Pipes 1-5 should share the first 32 bits.
- * Only the least significant byte should be unique, e.g.
- * @code
- * openReadingPipe(1,0xF0F0F0F0AA);
- * openReadingPipe(2,0xF0F0F0F066);
- * @endcode
- *
- * @warning Pipe 0 is also used by the writing pipe. So if you open
- * pipe 0 for reading, and then startListening(), it will overwrite the
- * writing pipe. Ergo, do an openWritingPipe() again before write().
- *
- * @param number Which pipe# to open, 0-5.
- * @param address The 40-bit address of the pipe to open.
- */
- void openReadingPipe(uint8_t number, uint64_t address);
-
- /**
- * Open a pipe for writing
- * @note For compatibility with old code only, see new function
- *
- * Addresses are 40-bit hex values, e.g.:
- *
- * @code
- * openWritingPipe(0xF0F0F0F0F0);
- * @endcode
- *
- * @param address The 40-bit address of the pipe to open.
- */
- void openWritingPipe(uint64_t address);
+ /**
+ * Open a pipe for writing
+ * @note For compatibility with old code only, see new function
+ *
+ * Addresses are 40-bit hex values, e.g.:
+ *
+ * @code
+ * openWritingPipe(0xF0F0F0F0F0);
+ * @endcode
+ *
+ * @param address The 40-bit address of the pipe to open.
+ */
+ void openWritingPipe(uint64_t address);
private:
- /**
- * @name Low-level internal interface.
- *
- * Protected methods that address the chip directly. Regular users cannot
- * ever call these. They are documented for completeness and for developers who
- * may want to extend this class.
- */
- /**@{*/
+ /**
+ * @name Low-level internal interface.
+ *
+ * Protected methods that address the chip directly. Regular users cannot
+ * ever call these. They are documented for completeness and for developers who
+ * may want to extend this class.
+ */
+ /**@{*/
- /**
- * Set chip select pin
- *
- * Running SPI bus at PI_CLOCK_DIV2 so we don't waste time transferring data
- * and best of all, we make use of the radio's FIFO buffers. A lower speed
- * means we're less likely to effectively leverage our FIFOs and pay a higher
- * AVR runtime cost as toll.
- *
- * @param mode HIGH to take this unit off the SPI bus, LOW to put it on
- */
- void csn(bool mode);
+ /**
+ * Set chip select pin
+ *
+ * Running SPI bus at PI_CLOCK_DIV2 so we don't waste time transferring data
+ * and best of all, we make use of the radio's FIFO buffers. A lower speed
+ * means we're less likely to effectively leverage our FIFOs and pay a higher
+ * AVR runtime cost as toll.
+ *
+ * @param mode HIGH to take this unit off the SPI bus, LOW to put it on
+ */
+ void csn(bool mode);
- /**
- * Set chip enable
- *
- * @param level HIGH to actively begin transmission or LOW to put in standby. Please see data sheet
- * for a much more detailed description of this pin.
- */
- void ce(bool level);
+ /**
+ * Set chip enable
+ *
+ * @param level HIGH to actively begin transmission or LOW to put in standby. Please see data sheet
+ * for a much more detailed description of this pin.
+ */
+ void ce(bool level);
- /**
- * Read a chunk of data in from a register
- *
- * @param reg Which register. Use constants from nRF24L01.h
- * @param buf Where to put the data
- * @param len How many bytes of data to transfer
- * @return Current value of status register
- */
- uint8_t read_register(uint8_t reg, uint8_t* buf, uint8_t len);
+ /**
+ * Read a chunk of data in from a register
+ *
+ * @param reg Which register. Use constants from nRF24L01.h
+ * @param buf Where to put the data
+ * @param len How many bytes of data to transfer
+ * @return Current value of status register
+ */
+ uint8_t read_register(uint8_t reg, uint8_t* buf, uint8_t len);
- /**
- * Read single byte from a register
- *
- * @param reg Which register. Use constants from nRF24L01.h
- * @return Current value of register @p reg
- */
- uint8_t read_register(uint8_t reg);
+ /**
+ * Read single byte from a register
+ *
+ * @param reg Which register. Use constants from nRF24L01.h
+ * @return Current value of register @p reg
+ */
+ uint8_t read_register(uint8_t reg);
- /**
- * Write a chunk of data to a register
- *
- * @param reg Which register. Use constants from nRF24L01.h
- * @param buf Where to get the data
- * @param len How many bytes of data to transfer
- * @return Current value of status register
- */
- uint8_t write_register(uint8_t reg, const uint8_t* buf, uint8_t len);
+ /**
+ * Write a chunk of data to a register
+ *
+ * @param reg Which register. Use constants from nRF24L01.h
+ * @param buf Where to get the data
+ * @param len How many bytes of data to transfer
+ * @return Current value of status register
+ */
+ uint8_t write_register(uint8_t reg, const uint8_t* buf, uint8_t len);
- /**
- * Write a single byte to a register
- *
- * @param reg Which register. Use constants from nRF24L01.h
- * @param value The new value to write
- * @return Current value of status register
- */
- uint8_t write_register(uint8_t reg, uint8_t value);
+ /**
+ * Write a single byte to a register
+ *
+ * @param reg Which register. Use constants from nRF24L01.h
+ * @param value The new value to write
+ * @return Current value of status register
+ */
+ uint8_t write_register(uint8_t reg, uint8_t value);
- /**
- * Write the transmit payload
- *
- * The size of data written is the fixed payload size, see getPayloadSize()
- *
- * @param buf Where to get the data
- * @param len Number of bytes to be sent
- * @return Current value of status register
- */
- uint8_t write_payload(const void* buf, uint8_t len, const uint8_t writeType);
+ /**
+ * Write the transmit payload
+ *
+ * The size of data written is the fixed payload size, see getPayloadSize()
+ *
+ * @param buf Where to get the data
+ * @param len Number of bytes to be sent
+ * @return Current value of status register
+ */
+ uint8_t write_payload(const void* buf, uint8_t len, const uint8_t writeType);
- /**
- * Read the receive payload
- *
- * The size of data read is the fixed payload size, see getPayloadSize()
- *
- * @param buf Where to put the data
- * @param len Maximum number of bytes to read
- * @return Current value of status register
- */
- uint8_t read_payload(void* buf, uint8_t len);
+ /**
+ * Read the receive payload
+ *
+ * The size of data read is the fixed payload size, see getPayloadSize()
+ *
+ * @param buf Where to put the data
+ * @param len Maximum number of bytes to read
+ * @return Current value of status register
+ */
+ uint8_t read_payload(void* buf, uint8_t len);
- /**
- * Empty the receive buffer
- *
- * @return Current value of status register
- */
- uint8_t flush_rx(void);
+ /**
+ * Empty the receive buffer
+ *
+ * @return Current value of status register
+ */
+ uint8_t flush_rx(void);
- /**
- * Retrieve the current status of the chip
- *
- * @return Current value of status register
- */
- uint8_t get_status(void);
+ /**
+ * Retrieve the current status of the chip
+ *
+ * @return Current value of status register
+ */
+ uint8_t get_status(void);
-#if !defined (MINIMAL)
- /**
- * Decode and print the given status to stdout
- *
- * @param status Status value to print
- *
- * @warning Does nothing if stdout is not defined. See fdevopen in stdio.h
- */
- void print_status(uint8_t status);
+ #if !defined (MINIMAL)
+ /**
+ * Decode and print the given status to stdout
+ *
+ * @param status Status value to print
+ *
+ * @warning Does nothing if stdout is not defined. See fdevopen in stdio.h
+ */
+ void print_status(uint8_t status);
- /**
- * Decode and print the given 'observe_tx' value to stdout
- *
- * @param value The observe_tx value to print
- *
- * @warning Does nothing if stdout is not defined. See fdevopen in stdio.h
- */
- void print_observe_tx(uint8_t value);
+ /**
+ * Decode and print the given 'observe_tx' value to stdout
+ *
+ * @param value The observe_tx value to print
+ *
+ * @warning Does nothing if stdout is not defined. See fdevopen in stdio.h
+ */
+ void print_observe_tx(uint8_t value);
- /**
- * Print the name and value of an 8-bit register to stdout
- *
- * Optionally it can print some quantity of successive
- * registers on the same line. This is useful for printing a group
- * of related registers on one line.
- *
- * @param name Name of the register
- * @param reg Which register. Use constants from nRF24L01.h
- * @param qty How many successive registers to print
- */
- void print_byte_register(const char* name, uint8_t reg, uint8_t qty = 1);
+ /**
+ * Print the name and value of an 8-bit register to stdout
+ *
+ * Optionally it can print some quantity of successive
+ * registers on the same line. This is useful for printing a group
+ * of related registers on one line.
+ *
+ * @param name Name of the register
+ * @param reg Which register. Use constants from nRF24L01.h
+ * @param qty How many successive registers to print
+ */
+ void print_byte_register(const char* name, uint8_t reg, uint8_t qty = 1);
- /**
- * Print the name and value of a 40-bit address register to stdout
- *
- * Optionally it can print some quantity of successive
- * registers on the same line. This is useful for printing a group
- * of related registers on one line.
- *
- * @param name Name of the register
- * @param reg Which register. Use constants from nRF24L01.h
- * @param qty How many successive registers to print
- */
- void print_address_register(const char* name, uint8_t reg, uint8_t qty = 1);
+ /**
+ * Print the name and value of a 40-bit address register to stdout
+ *
+ * Optionally it can print some quantity of successive
+ * registers on the same line. This is useful for printing a group
+ * of related registers on one line.
+ *
+ * @param name Name of the register
+ * @param reg Which register. Use constants from nRF24L01.h
+ * @param qty How many successive registers to print
+ */
+ void print_address_register(const char* name, uint8_t reg, uint8_t qty = 1);
#endif
- /**
- * Turn on or off the special features of the chip
- *
- * The chip has certain 'features' which are only available when the 'features'
- * are enabled. See the datasheet for details.
- */
- void toggle_features(void);
+ /**
+ * Turn on or off the special features of the chip
+ *
+ * The chip has certain 'features' which are only available when the 'features'
+ * are enabled. See the datasheet for details.
+ */
+ void toggle_features(void);
- /**
- * Built in spi transfer function to simplify repeating code repeating code
- */
-
- uint8_t spiTrans(uint8_t cmd);
+ /**
+ * Built in spi transfer function to simplify repeating code repeating code
+ */
-#if defined (FAILURE_HANDLING) || defined (RF24_LINUX)
- void errNotify(void);
-#endif
-
- /**@}*/
+ uint8_t spiTrans(uint8_t cmd);
+
+ #if defined (FAILURE_HANDLING) || defined (RF24_LINUX)
+ void errNotify(void);
+ #endif
+
+ /**@}*/
};
@@ -1103,18 +1143,18 @@
* @note When switching between sketches, the radio may need to be powered down to clear settings that are not "un-set" otherwise
*/
-/**
-* @example GettingStarted.cpp
-* <b>For Raspberry Pi</b><br>
-* <b>Updated: TMRh20 2014 </b><br>
-*
-* This is an example of how to use the RF24 class to communicate on a basic level. Configure and write this sketch to two
-* different nodes. Put one of the nodes into 'transmit' mode by connecting with the serial monitor and <br>
-* sending a 'T'. 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. <br>
-* @note For a more efficient call-response scenario see the GettingStarted_CallResponse.ino example.
-*/
-
+ /**
+ * @example GettingStarted.cpp
+ * <b>For Raspberry Pi</b><br>
+ * <b>Updated: TMRh20 2014 </b><br>
+ *
+ * This is an example of how to use the RF24 class to communicate on a basic level. Configure and write this sketch to two
+ * different nodes. Put one of the nodes into 'transmit' mode by connecting with the serial monitor and <br>
+ * sending a 'T'. 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. <br>
+ * @note For a more efficient call-response scenario see the GettingStarted_CallResponse.ino example.
+ */
+
/**
* @example GettingStarted_CallResponse.ino
* <b>For Arduino</b><br>
@@ -1126,27 +1166,27 @@
* switch out of Primary Receiver mode to send back a payload, but having the option to switch to <br>
* primary transmitter if wanting to initiate communication instead of respond to a commmunication.
*/
+
+ /**
+ * @example GettingStarted_Call_Response.cpp
+ * <b>For Raspberry Pi</b><br>
+ * <b>New: TMRh20 2014</b><br>
+ *
+ * This example continues to make use of all the normal functionality of the radios including
+ * the auto-ack and auto-retry features, but allows ack-payloads to be written optionlly as well. <br>
+ * This allows very fast call-response communication, with the responding radio never having to
+ * switch out of Primary Receiver mode to send back a payload, but having the option to switch to <br>
+ * primary transmitter if wanting to initiate communication instead of respond to a commmunication.
+ */
-/**
-* @example GettingStarted_Call_Response.cpp
-* <b>For Raspberry Pi</b><br>
-* <b>New: TMRh20 2014</b><br>
-*
-* This example continues to make use of all the normal functionality of the radios including
-* the auto-ack and auto-retry features, but allows ack-payloads to be written optionlly as well. <br>
-* This allows very fast call-response communication, with the responding radio never having to
-* switch out of Primary Receiver mode to send back a payload, but having the option to switch to <br>
-* primary transmitter if wanting to initiate communication instead of respond to a commmunication.
-*/
-
-/**
-* @example GettingStarted_HandlingData.ino
-* <b>Dec 2014 - TMRh20</b><br>
-*
-* This example demonstrates how to send multiple variables in a single payload and work with data. As usual, it is
-* generally important to include an incrementing value like millis() in the payloads to prevent errors.
-*/
-
+ /**
+ * @example GettingStarted_HandlingData.ino
+ * <b>Dec 2014 - TMRh20</b><br>
+ *
+ * This example demonstrates how to send multiple variables in a single payload and work with data. As usual, it is
+ * generally important to include an incrementing value like millis() in the payloads to prevent errors.
+ */
+
/**
* @example Transfer.ino
* <b>For Arduino</b><br>
@@ -1157,17 +1197,17 @@
* with the serial monitor and sending a 'T'. The data transfer will begin,
* with the receiver displaying the payload count. (32Byte Payloads) <br>
*/
-
-/**
-* @example Transfer.cpp
-* <b>For Raspberry Pi</b><br>
-* This example demonstrates half-rate transfer using the FIFO buffers<br>
-*
-* It is an example of how to use the RF24 class. Write this sketch to two
-* different nodes. Put one of the nodes into 'transmit' mode by connecting <br>
-* with the serial monitor and sending a 'T'. The data transfer will begin,
-* with the receiver displaying the payload count. (32Byte Payloads) <br>
-*/
+
+ /**
+ * @example Transfer.cpp
+ * <b>For Raspberry Pi</b><br>
+ * This example demonstrates half-rate transfer using the FIFO buffers<br>
+ *
+ * It is an example of how to use the RF24 class. Write this sketch to two
+ * different nodes. Put one of the nodes into 'transmit' mode by connecting <br>
+ * with the serial monitor and sending a 'T'. The data transfer will begin,
+ * with the receiver displaying the payload count. (32Byte Payloads) <br>
+ */
/**
* @example TransferTimeouts.ino
@@ -1215,12 +1255,12 @@
* Sleep functionality is built directly into my fork of the RF24Network library<br>
*/
-/**
-* @example pingpair_irq_simple.ino
-* <b>Dec 2014 - TMRh20</b><br>
-* This is an example of how to user interrupts to interact with the radio, with bidirectional communication.
-*/
-
+ /**
+ * @example pingpair_irq_simple.ino
+ * <b>Dec 2014 - TMRh20</b><br>
+ * This is an example of how to user interrupts to interact with the radio, with bidirectional communication.
+ */
+
/**
* @example pingpair_sleepy.ino
* <b>Update: TMRh20</b><br>
@@ -1230,47 +1270,47 @@
* ping/pong cycle, and the receiver sleeps between payloads. <br>
*/
-/**
-* @example rf24ping85.ino
-* <b>New: Contributed by https://github.com/tong67</b><br>
-* This is an example of how to use the RF24 class to communicate with ATtiny85 and other node. <br>
-*/
-
-/**
-* @example timingSearch3pin.ino
-* <b>New: Contributed by https://github.com/tong67</b><br>
-* This is an example of how to determine the correct timing for ATtiny when using only 3-pins
-*/
-
+ /**
+ * @example rf24ping85.ino
+ * <b>New: Contributed by https://github.com/tong67</b><br>
+ * This is an example of how to use the RF24 class to communicate with ATtiny85 and other node. <br>
+ */
+
+ /**
+ * @example timingSearch3pin.ino
+ * <b>New: Contributed by https://github.com/tong67</b><br>
+ * This is an example of how to determine the correct timing for ATtiny when using only 3-pins
+ */
+
/**
* @example pingpair_dyn.ino
*
* This is an example of how to use payloads of a varying (dynamic) size on Arduino.
*/
-
-/**
-* @example pingpair_dyn.cpp
-*
-* This is an example of how to use payloads of a varying (dynamic) size on Raspberry Pi.
-*/
+
+ /**
+ * @example pingpair_dyn.cpp
+ *
+ * This is an example of how to use payloads of a varying (dynamic) size on Raspberry Pi.
+ */
/**
* @example pingpair_dyn.py
*
* This is a python example for RPi of how to use payloads of a varying (dynamic) size.
- */
-
+ */
+
/**
* @example pingpair_dyn.ino
*
* This is an example of how to use payloads of a varying (dynamic) size.
*/
-
-/**
-* @example pingpair_dyn.ino
-*
-* This is an example of how to use payloads of a varying (dynamic) size.
-*/
+
+ /**
+ * @example pingpair_dyn.ino
+ *
+ * This is an example of how to use payloads of a varying (dynamic) size.
+ */
/**
* @example scanner.ino
@@ -1298,6 +1338,14 @@
*
* @section News News
*
+ * **Dec 2015**<br>
+ * - ESP8266 support via Arduino IDE
+ * - <a href="https://github.com/stewarthou/Particle-RF24">Particle Photon/Core</a> fork available
+ * - ATTiny2313/4313 support added
+ * - Python 3 support added
+ * - RF24 added to Arduino library manager
+ * - RF24 added to PlatformIO library manager
+ *
* **March 2015**<br>
* - Uses SPI transactions on Arduino
* - New layout for <a href="Portability.html">easier portability:</a> Break out defines & includes for individual platforms to RF24/utility
@@ -1306,12 +1354,6 @@
* - Support for RPi 2 added
* - Major Documentation cleanup & update (Move all docs to github.io)
*
- * <b>Dec 2014 </b><br>
- * - New: Intel Galileo now supported
- * - New: Python wrapper for RPi included
- * - Documentation updated
- * - Example files have been updated
- * - See the links below and class documentation for more info.
*
* If issues are discovered with the documentation, please report them <a href="https://github.com/TMRh20/tmrh20.github.io/issues"> here</a>
*
@@ -1322,7 +1364,7 @@
* @li <a href="http://tmrh20.github.io/RF24/classRF24.html"><b>RF24</b> Class Documentation</a>
* @li <a href="https://github.com/TMRh20/RF24/archive/master.zip"><b>Download</b></a>
* @li <a href="https://github.com/tmrh20/RF24/"><b>Source Code</b></a>
- * @li <a href="http://tmrh20.blogspot.com/2014/03/high-speed-data-transfers-and-wireless.html"><b>My Blog:</b> RF24 Optimization Overview</a>
+ * @li <a href="http://tmrh20.blogspot.com/2014/03/high-speed-data-transfers-and-wireless.html"><b>My Blog:</b> RF24 Optimization Overview</a>
* @li <a href="http://www.nordicsemi.com/files/Product/data_sheet/nRF24L01_Product_Specification_v2_0.pdf">Chip Datasheet</a>
*
* **Additional Information and Add-ons**
@@ -1343,7 +1385,7 @@
* @li <a href="http://www.homeautomationforgeeks.com/rf24software.shtml">Home Automation for Geeks</a>
* @li <a href="https://maniacbug.wordpress.com/2012/03/30/rf24network/"> Original Maniacbug RF24Network Blog Post</a>
* @li <a href="https://github.com/maniacbug/RF24"> ManiacBug on GitHub (Original Library Author)</a>
- *
+ *
*
* <br>
*
@@ -1373,25 +1415,25 @@
*
* @li [0] https://learn.sparkfun.com/tutorials/tiny-avr-programmer-hookup-guide/attiny85-use-hints
* @li [1] http://highlowtech.org/?p=1695
- * @li [2] http://littlewire.cc/
+ * @li [2] http://littlewire.cc/
* <br><br><br>
*
*
*
*
* @page Arduino Arduino
- *
+ *
* RF24 is fully compatible with Arduino boards <br>
* See <b> http://www.arduino.cc/en/Reference/Board </b> and <b> http://arduino.cc/en/Reference/SPI </b> for more information
- *
+ *
* RF24 makes use of the standard hardware SPI pins (MISO,MOSI,SCK) and requires two additional pins, to control
* the chip-select and chip-enable functions.<br>
- * These pins must be chosen and designated by the user, in RF24 radio(ce_pin,cs_pin); and can use any
+ * These pins must be chosen and designated by the user, in RF24 radio(ce_pin,cs_pin); and can use any
* available pins.
- *
+ *
* <br>
* @section ARD_DUE Arduino Due
- *
+ *
* RF24 makes use of the extended SPI functionality available on the Arduino Due, and requires one of the
* defined hardware SS/CS pins to be designated in RF24 radio(ce_pin,cs_pin);<br>
* See http://arduino.cc/en/Reference/DueExtendedSPI for more information
@@ -1402,7 +1444,7 @@
* @section Alternate_SPI Alternate SPI Support
*
* RF24 supports alternate SPI methods, in case the standard hardware SPI pins are otherwise unavailable.
- *
+ *
* <br>
* **Software Driven SPI**
*
@@ -1422,11 +1464,11 @@
* <br>
* **Alternate Hardware (UART) Driven SPI**
*
- * The Serial Port (UART) on Arduino can also function in SPI mode, and can double-buffer data, while the
+ * The Serial Port (UART) on Arduino can also function in SPI mode, and can double-buffer data, while the
* default SPI hardware cannot.
*
* The SPI_UART library is available at https://github.com/TMRh20/Sketches/tree/master/SPI_UART
- *
+ *
* Enabling:
* 1. Install the SPI_UART library
* 2. Edit RF24_config.h and uncomment #define SPI_UART
@@ -1444,12 +1486,12 @@
*
* @note SPI_UART on Mega boards requires soldering to an unused pin on the chip. <br>See
* https://github.com/TMRh20/RF24/issues/24 for more information on SPI_UART.
- *
+ *
* @page ATTiny ATTiny
*
* ATTiny support is built into the library, so users are not required to include SPI.h in their sketches<br>
* See the included rf24ping85 example for pin info and usage
- *
+ *
* Some versions of Arduino IDE may require a patch to allow use of the full program space on ATTiny<br>
* See https://github.com/TCWORLD/ATTinyCore/tree/master/PCREL%20Patch%20for%20GCC for ATTiny patch
*
@@ -1457,56 +1499,73 @@
*
* @section Hardware Hardware Configuration
* By tong67 ( https://github.com/tong67 )
- *
+ *
* **ATtiny25/45/85 Pin map with CE_PIN 3 and CSN_PIN 4**
* @code
* +-\/-+
* NC PB5 1|o |8 Vcc --- nRF24L01 VCC, pin2 --- LED --- 5V
* nRF24L01 CE, pin3 --- PB3 2| |7 PB2 --- nRF24L01 SCK, pin5
- * nRF24L01 CSN, pin4 --- PB4 3| |6 PB1 --- nRF24L01 MOSI, pin7
- * nRF24L01 GND, pin1 --- GND 4| |5 PB0 --- nRF24L01 MISO, pin6
- * +----+
+ * nRF24L01 CSN, pin4 --- PB4 3| |6 PB1 --- nRF24L01 MOSI, pin6
+ * nRF24L01 GND, pin1 --- GND 4| |5 PB0 --- nRF24L01 MISO, pin7
+ * +----+
* @endcode
*
* <br>
* **ATtiny25/45/85 Pin map with CE_PIN 3 and CSN_PIN 3** => PB3 and PB4 are free to use for application <br>
* Circuit idea from http://nerdralph.blogspot.ca/2014/01/nrf24l01-control-with-3-attiny85-pins.html <br>
* Original RC combination was 1K/100nF. 22K/10nF combination worked better. <br>
- * For best settletime delay value in RF24::csn() the timingSearch3pin.ino sketch can be used. <br>
+ * For best settletime delay value in RF24::csn() the timingSearch3pin.ino sketch can be used. <br>
* This configuration is enabled when CE_PIN and CSN_PIN are equal, e.g. both 3 <br>
* Because CE is always high the power consumption is higher than for 5 pins solution <br>
* @code
- * ^^
- * +-\/-+ nRF24L01 CE, pin3 ------| //
- * PB5 1|o |8 Vcc --- nRF24L01 VCC, pin2 ------x----------x--|<|-- 5V
- * NC PB3 2| |7 PB2 --- nRF24L01 SCK, pin5 --|<|---x-[22k]--| LED
- * NC PB4 3| |6 PB1 --- nRF24L01 MOSI, pin6 1n4148 |
- * nRF24L01 GND, pin1 -x- GND 4| |5 PB0 --- nRF24L01 MISO, pin7 |
- * | +----+ |
- * |-----------------------------------------------||----x-- nRF24L01 CSN, pin4
- * 10nF
+ * ^^
+ * +-\/-+ nRF24L01 CE, pin3 ------| //
+ * PB5 1|o |8 Vcc --- nRF24L01 VCC, pin2 ------x----------x--|<|-- 5V
+ * NC PB3 2| |7 PB2 --- nRF24L01 SCK, pin5 --|<|---x-[22k]--| LED
+ * NC PB4 3| |6 PB1 --- nRF24L01 MOSI, pin6 1n4148 |
+ * nRF24L01 GND, pin1 -x- GND 4| |5 PB0 --- nRF24L01 MISO, pin7 |
+ * | +----+ |
+ * |-----------------------------------------------||----x-- nRF24L01 CSN, pin4
+ * 10nF
* @endcode
*
* <br>
* **ATtiny24/44/84 Pin map with CE_PIN 8 and CSN_PIN 7** <br>
- * Schematic provided and successfully tested by Carmine Pastore (https://github.com/Carminepz) <br>
+ * Schematic provided and successfully tested by Carmine Pastore (https://github.com/Carminepz) <br>
* @code
- * +-\/-+
+ * +-\/-+
* nRF24L01 VCC, pin2 --- VCC 1|o |14 GND --- nRF24L01 GND, pin1
* PB0 2| |13 AREF
* PB1 3| |12 PA1
* PB3 4| |11 PA2 --- nRF24L01 CE, pin3
* PB2 5| |10 PA3 --- nRF24L01 CSN, pin4
* PA7 6| |9 PA4 --- nRF24L01 SCK, pin5
- * nRF24L01 MOSI, pin7 --- PA6 7| |8 PA5 --- nRF24L01 MISO, pin6
+ * nRF24L01 MISO, pin7 --- PA6 7| |8 PA5 --- nRF24L01 MOSI, pin6
* +----+
- * @endcode
+ * @endcode
+ *
+ * <br>
+ * **ATtiny2313/4313 Pin map with CE_PIN 12 and CSN_PIN 13** <br>
+ * @code
+ * +-\/-+
+ * PA2 1|o |20 VCC --- nRF24L01 VCC, pin2
+ * PD0 2| |19 PB7 --- nRF24L01 SCK, pin5
+ * PD1 3| |18 PB6 --- nRF24L01 MOSI, pin6
+ * PA1 4| |17 PB5 --- nRF24L01 MISO, pin7
+ * PA0 5| |16 PB4 --- nRF24L01 CSN, pin4
+ * PD2 6| |15 PB3 --- nRF24L01 CE, pin3
+ * PD3 7| |14 PB2
+ * PD4 8| |13 PB1
+ * PD5 9| |12 PB0
+ * nRF24L01 GND, pin1 --- GND 10| |11 PD6
+ * +----+
+ * @endcode
*
* <br><br><br>
*
*
- *
- *
+ *
+ *
*
*
* @page BBB BeagleBone Black
@@ -1517,10 +1576,10 @@
* Users may need to edit the RF24/utility/BBB/spi.cpp file to configure the spi device. (Defaults: "/dev/spidev1.0"; or "/dev/spidev1.1"; )
*
* <br>
- * @section AutoInstall Automated Install
+ * @section AutoInstall Automated Install
*(**Designed & Tested on RPi** - Defaults to SPIDEV on BBB)
*
- *
+ *
* 1. Download the install.sh file from http://tmrh20.github.io/RF24Installer/RPi/install.sh
* @code wget http://tmrh20.github.io/RF24Installer/RPi/install.sh @endcode
* 2. Make it executable:
@@ -1528,42 +1587,42 @@
* 3. Run it and choose your options
* @code ./install.sh @endcode
* 4. Run an example from one of the libraries
- * @code
- * cd rf24libs/RF24/examples_RPi
+ * @code
+ * cd rf24libs/RF24/examples_RPi
* @endcode
* Edit the gettingstarted example, to set your pin configuration
* @code nano gettingstarted.cpp
- * make
- * sudo ./gettingstarted
+ * make
+ * sudo ./gettingstarted
* @endcode
*
* <br>
* @section ManInstall Manual Install
- * 1. Make a directory to contain the RF24 and possibly RF24Network lib and enter it:
+ * 1. Make a directory to contain the RF24 and possibly RF24Network lib and enter it:
* @code
- * mkdir ~/rf24libs
+ * mkdir ~/rf24libs
* cd ~/rf24libs
* @endcode
* 2. Clone the RF24 repo:
* @code git clone https://github.com/tmrh20/RF24.git RF24 @endcode
* 3. Change to the new RF24 directory
* @code cd RF24 @endcode
- * 4. Build the library, and run an example file:
+ * 4. Build the library, and run an example file:
* **Note:** See the <a href="http://iotdk.intel.com/docs/master/mraa/index.html">MRAA </a> documentation for more info on installing MRAA
* @code sudo make install OR sudo make install RF24_MRAA=1 @endcode
* @code
- * cd examples_RPi
+ * cd examples_RPi
* @endcode
* Edit the gettingstarted example, to set your pin configuration
- * @code nano gettingstarted.cpp
- * make
+ * @code nano gettingstarted.cpp
+ * make
* sudo ./gettingstarted
* @endcode
*
* <br><br>
- *
+ *
* @page MRAA MRAA
- *
+ *
* MRAA is a Low Level Skeleton Library for Communication on GNU/Linux platforms <br>
* See http://iotdk.intel.com/docs/master/mraa/index.html for more information
*
@@ -1573,34 +1632,34 @@
* @section Setup Setup
* 1. Install the MRAA lib
* 2. As per your device, SPI may need to be enabled
- *
- * @section MRAA_Install Install
+ *
+ * @section MRAA_Install Install
*
- * 1. Make a directory to contain the RF24 and possibly RF24Network lib and enter it:
+ * 1. Make a directory to contain the RF24 and possibly RF24Network lib and enter it:
* @code
- * mkdir ~/rf24libs
+ * mkdir ~/rf24libs
* cd ~/rf24libs
* @endcode
* 2. Clone the RF24 repo:
* @code git clone https://github.com/tmrh20/RF24.git RF24 @endcode
* 3. Change to the new RF24 directory
* @code cd RF24 @endcode
- * 4. Build the library:
+ * 4. Build the library:
* @code sudo make install -B RF24_MRAA=1 @endcode
* 5. Configure the correct pins in gettingstarted.cpp (See http://iotdk.intel.com/docs/master/mraa/index.html )
* @code
- * cd examples_RPi
- * nano gettingstarted.cpp
+ * cd examples_RPi
+ * nano gettingstarted.cpp
* @endcode
* 6. Build an example
* @code
- * make
+ * make
* sudo ./gettingstarted
* @endcode
*
* <br><br><br>
*
- *
+ *
*
*
* @page RPi Raspberry Pi
@@ -1617,7 +1676,7 @@
* B. Select **Advanced** and **enable the SPI kernel module** <br>
* C. Update other software and libraries:
* @code sudo apt-get update @endcode
- * @code sudo apt-get upgrade @endcode
+ * @code sudo apt-get upgrade @endcode
* <br>
* @section AutoInstall Automated Install
*
@@ -1628,26 +1687,26 @@
* 3. Run it and choose your options
* @code ./install.sh @endcode
* 4. Run an example from one of the libraries
- * @code
- * cd rf24libs/RF24/examples_RPi
- * make
- * sudo ./gettingstarted
+ * @code
+ * cd rf24libs/RF24/examples_RPi
+ * make
+ * sudo ./gettingstarted
* @endcode
* <br><br>
* @section ManInstall Manual Install
- * 1. Make a directory to contain the RF24 and possibly RF24Network lib and enter it:
+ * 1. Make a directory to contain the RF24 and possibly RF24Network lib and enter it:
* @code
- * mkdir ~/rf24libs
+ * mkdir ~/rf24libs
* cd ~/rf24libs
* @endcode
* 2. Clone the RF24 repo:
* @code git clone https://github.com/tmrh20/RF24.git RF24 @endcode
* 3. Change to the new RF24 directory
* @code cd RF24 @endcode
- * 4. Build the library, and run an example file:
+ * 4. Build the library, and run an example file:
* @code sudo make install
- * cd examples_RPi
- * make
+ * cd examples_RPi
+ * make
* sudo ./gettingstarted
* @endcode
*
@@ -1699,7 +1758,7 @@
* RF24 radio(RPI_V2_GPIO_P1_15,BCM2835_SPI_CS0, BCM2835_SPI_SPEED_8MHZ);
* or
* RF24 radio(RPI_V2_GPIO_P1_15,BCM2835_SPI_CS1, BCM2835_SPI_SPEED_8MHZ);
- *
+ *
* RPi B+:
* RF24 radio(RPI_BPLUS_GPIO_J8_15,RPI_BPLUS_GPIO_J8_24, BCM2835_SPI_SPEED_8MHZ);
* or
@@ -1727,7 +1786,7 @@
*
* See http://pi.gadgetoid.com/pinout
*
- * **Pins:**
+ * **Pins:**
*
* | PIN | NRF24L01 | RPI | RPi -P1 Connector |
* |-----|----------|------------|-------------------|
@@ -1739,54 +1798,54 @@
* | 6 | MOSI | rpi-mosi | (19) |
* | 7 | MISO | rpi-miso | (21) |
* | 8 | IRQ | - | - |
- *
- *
- *
- *
+ *
+ *
+ *
+ *
* <br><br>
****************
- *
+ *
* Based on the arduino lib from J. Coliz <maniacbug@ymail.com> <br>
- * the library was berryfied by Purinda Gunasekara <purinda@gmail.com> <br>
+ * the library was berryfied by Purinda Gunasekara <purinda@gmail.com> <br>
* then forked from github stanleyseow/RF24 to https://github.com/jscrane/RF24-rpi <br>
* Network lib also based on https://github.com/farconada/RF24Network
*
- *
- *
+ *
*
+ *
* <br><br><br>
- *
+ *
*
- *
+ *
* @page Python Python Wrapper (by https://github.com/mz-fuzzy)
- *
- * @section Install Installation:
- *
+ *
+ * @section Install Installation:
+ *
* Install the boost libraries: (Note: Only the python libraries should be needed, this is just for simplicity)
*
* @code sudo apt-get install libboost1.50-all @endcode
*
- * Build the library:
+ * Build the library:
*
* @code ./setup.py build @endcode
*
- * Install the library
+ * Install the library
*
* @code sudo ./setup.py install @endcode
*
- *
+ *
* See the additional <a href="pages.html">Platform Support</a> pages for information on connecting your hardware <br>
- * See the included <a href="pingpair_dyn_8py-example.html">example </a> for usage information.
- *
- * Running the Example:
- *
- * Edit the pingpair_dyn.py example to configure the appropriate pins per the above documentation:
+ * See the included <a href="pingpair_dyn_8py-example.html">example </a> for usage information.
+ *
+ * Running the Example:
+ *
+ * Edit the pingpair_dyn.py example to configure the appropriate pins per the above documentation:
*
* @code nano pingpair_dyn.py @endcode
*
- * Configure another device, Arduino or RPi with the <a href="pingpair_dyn_8py-example.html">pingpair_dyn</a> example
+ * Configure another device, Arduino or RPi with the <a href="pingpair_dyn_8py-example.html">pingpair_dyn</a> example
*
- * Run the example
+ * Run the example
*
* @code sudo ./pingpair_dyn.py @endcode
*
@@ -1796,9 +1855,9 @@
* @page Portability RF24 Portability
*
* The RF24 radio driver mainly utilizes the <a href="http://arduino.cc/en/reference/homePage">Arduino API</a> for GPIO, SPI, and timing functions, which are easily replicated
- * on various platforms. <br>Support files for these platforms are stored under RF24/utility, and can be modified to provide
+ * on various platforms. <br>Support files for these platforms are stored under RF24/utility, and can be modified to provide
* the required functionality.
- *
+ *
* <br>
* @section Hardware_Templates Basic Hardware Template
*
@@ -1807,18 +1866,18 @@
* The RF24 library now includes a basic hardware template to assist in porting to various platforms. <br> The following files can be included
* to replicate standard Arduino functions as needed, allowing devices from ATTiny to Raspberry Pi to utilize the same core RF24 driver.
*
- * | File | Purpose |
- * |--------------------|------------------------------------------------------------------------------|
- * | RF24_arch_config.h | Basic Arduino/AVR compatibility, includes for remaining support files, etc |
- * | includes.h | Linux only. Defines specific platform, include correct RF24_arch_config file |
- * | spi.h | Provides standardized SPI ( transfer() ) methods |
- * | gpio.h | Provides standardized GPIO ( digitalWrite() ) methods |
- * | compatibility.h | Provides standardized timing (millis(), delay()) methods |
- * | your_custom_file.h | Provides access to custom drivers for spi,gpio, etc |
+ * | File | Purpose |
+ * |--------------------|------------------------------------------------------------------------------|
+ * | RF24_arch_config.h | Basic Arduino/AVR compatibility, includes for remaining support files, etc |
+ * | includes.h | Linux only. Defines specific platform, include correct RF24_arch_config file |
+ * | spi.h | Provides standardized SPI ( transfer() ) methods |
+ * | gpio.h | Provides standardized GPIO ( digitalWrite() ) methods |
+ * | compatibility.h | Provides standardized timing (millis(), delay()) methods |
+ * | your_custom_file.h | Provides access to custom drivers for spi,gpio, etc |
*
* <br>
* Examples are provided via the included hardware support templates in **RF24/utility** <br>
- * See the <a href="modules.html">modules</a> page for examples of class declarations
+ * See the <a href="modules.html">modules</a> page for examples of class declarations
*
*<br>
* @section Device_Detection Device Detection
@@ -1830,11 +1889,10 @@
* <br>
* @section Ported_Code Code
* To have your ported code included in this library, or for assistance in porting, create a pull request or open an issue at https://github.com/TMRh20/RF24
- *
+ *
*
*<br><br><br>
*/
#endif // __RF24_H__
-