RadioLib
Universal wireless communication library for Arduino
CC1101 Class Reference

Control class for CC1101 module. More...

#include <CC1101.h>

Inheritance diagram for CC1101:
PhysicalLayer

Public Member Functions

 CC1101 (Module *module)
 Default constructor. More...
 
int16_t begin (float freq=434.0, float br=48.0, float freqDev=48.0, float rxBw=135.0, int8_t power=10, uint8_t preambleLength=16)
 Initialization method. More...
 
int16_t transmit (uint8_t *data, size_t len, uint8_t addr=0) override
 Blocking binary transmit method. Overloads for string-based transmissions are implemented in PhysicalLayer. More...
 
int16_t receive (uint8_t *data, size_t len) override
 Blocking binary receive method. Overloads for string-based transmissions are implemented in PhysicalLayer. More...
 
int16_t standby () override
 Sets the module to standby mode. More...
 
int16_t transmitDirect (uint32_t frf=0) override
 Starts direct mode transmission. More...
 
int16_t receiveDirect () override
 Starts direct mode reception. More...
 
int16_t packetMode ()
 Stops direct mode. It is required to call this method to switch from direct transmissions to packet-based transmissions.
 
void setGdo0Action (void(*func)(void), RADIOLIB_INTERRUPT_STATUS dir=FALLING)
 Sets interrupt service routine to call when GDO0 activates. More...
 
void clearGdo0Action ()
 Clears interrupt service routine to call when GDO0 activates.
 
void setGdo2Action (void(*func)(void), RADIOLIB_INTERRUPT_STATUS dir=FALLING)
 Sets interrupt service routine to call when GDO2 activates. More...
 
void clearGdo2Action ()
 Clears interrupt service routine to call when GDO0 activates.
 
int16_t startTransmit (uint8_t *data, size_t len, uint8_t addr=0) override
 Interrupt-driven binary transmit method. Overloads for string-based transmissions are implemented in PhysicalLayer. More...
 
int16_t startReceive ()
 Interrupt-driven receive method. GDO0 will be activated when full packet is received. More...
 
int16_t readData (uint8_t *data, size_t len) override
 Reads data received after calling startReceive method. More...
 
int16_t setFrequency (float freq)
 Sets carrier frequency. Allowed values are in bands 300.0 to 348.0 MHz, 387.0 to 464.0 MHz and 779.0 to 928.0 MHz. More...
 
int16_t setBitRate (float br)
 Sets bit rate. Allowed values range from 0.025 to 600.0 kbps. More...
 
int16_t setRxBandwidth (float rxBw)
 Sets receiver bandwidth. Allowed values range from 58.0 to 812.0 kHz. More...
 
int16_t setFrequencyDeviation (float freqDev) override
 Sets frequency deviation. Allowed values range from 1.587 to 380.8 kHz. More...
 
int16_t setOutputPower (int8_t power)
 Sets output power. Allowed values are -30, -20, -15, -10, 0, 5, 7 or 10 dBm. More...
 
int16_t setSyncWord (uint8_t syncH, uint8_t syncL, uint8_t maxErrBits=0, bool requireCarrierSense=false)
 Sets 16-bit sync word as a two byte value. More...
 
int16_t setSyncWord (uint8_t *syncWord, uint8_t len, uint8_t maxErrBits=0, bool requireCarrierSense=false)
 Sets 1 or 2 bytes of sync word. More...
 
int16_t setPreambleLength (uint8_t preambleLength)
 Sets preamble length. More...
 
int16_t setNodeAddress (uint8_t nodeAddr, uint8_t numBroadcastAddrs=0)
 Sets node and broadcast addresses. Calling this method will also enable address filtering. More...
 
int16_t disableAddressFiltering ()
 Disables address filtering. Calling this method will also erase previously set addresses. More...
 
int16_t setOOK (bool enableOOK)
 Enables/disables OOK modulation instead of FSK. More...
 
float getRSSI () const
 Gets RSSI (Recorded Signal Strength Indicator) of the last received packet. More...
 
uint8_t getLQI () const
 Gets LQI (Link Quality Indicator) of the last received packet. More...
 
size_t getPacketLength (bool update=true) override
 Query modem for the packet length of received payload. More...
 
int16_t fixedPacketLengthMode (uint8_t len=CC1101_MAX_PACKET_LENGTH)
 Set modem in fixed packet length mode. More...
 
int16_t variablePacketLengthMode (uint8_t maxLen=CC1101_MAX_PACKET_LENGTH)
 Set modem in variable packet length mode. More...
 
int16_t enableSyncWordFiltering (uint8_t maxErrBits=0, bool requireCarrierSense=false)
 Enable sync word filtering and generation. More...
 
int16_t disableSyncWordFiltering (bool requireCarrierSense=false)
 Disable preamble and sync word filtering and generation. More...
 
int16_t setCrcFiltering (bool crcOn=true)
 Enable CRC filtering and generation. More...
 
int16_t setPromiscuousMode (bool promiscuous=true)
 Set modem in "sniff" mode: no packet filtering (e.g., no preamble, sync word, address, CRC). More...
 
int16_t setDataShaping (uint8_t sh) override
 Sets Gaussian filter bandwidth-time product that will be used for data shaping. Allowed value is RADIOLIB_SHAPING_0_5. Set to RADIOLIB_SHAPING_NONE to disable data shaping. More...
 
int16_t setEncoding (uint8_t encoding) override
 Sets transmission encoding. Allowed values are RADIOLIB_ENCODING_NRZ and RADIOLIB_ENCODING_WHITENING. More...
 
void setRfSwitchPins (RADIOLIB_PIN_TYPE rxEn, RADIOLIB_PIN_TYPE txEn)
 Some modules contain external RF switch controlled by two pins. This function gives RadioLib control over those two pins to automatically switch Rx and Tx state. When using automatic RF switch control, DO NOT change the pin mode of rxEn or txEn from Arduino sketch! More...
 
- Public Member Functions inherited from PhysicalLayer
 PhysicalLayer (float freqStep, size_t maxPacketLength)
 Default constructor. More...
 
int16_t transmit (__FlashStringHelper *fstr, uint8_t addr=0)
 Arduino Flash String transmit method. More...
 
int16_t transmit (String &str, uint8_t addr=0)
 Arduino String transmit method. More...
 
int16_t transmit (const char *str, uint8_t addr=0)
 C-string transmit method. More...
 
int16_t receive (String &str, size_t len=0)
 Arduino String receive method. More...
 
int16_t startTransmit (String &str, uint8_t addr=0)
 Interrupt-driven Arduino String transmit method. Unlike the standard transmit method, this one is non-blocking. Interrupt pin will be activated when transmission finishes. More...
 
int16_t startTransmit (const char *str, uint8_t addr=0)
 Interrupt-driven Arduino String transmit method. Unlike the standard transmit method, this one is non-blocking. Interrupt pin will be activated when transmission finishes. More...
 
int16_t readData (String &str, size_t len=0)
 Reads data that was received after calling startReceive method. More...
 
float getFreqStep () const
 Gets the module frequency step size that was set in constructor. More...
 

Detailed Description

Control class for CC1101 module.

Constructor & Destructor Documentation

◆ CC1101()

CC1101::CC1101 ( Module module)

Default constructor.

Parameters
modInstance of Module that will be used to communicate with the radio.

Member Function Documentation

◆ begin()

int16_t CC1101::begin ( float  freq = 434.0,
float  br = 48.0,
float  freqDev = 48.0,
float  rxBw = 135.0,
int8_t  power = 10,
uint8_t  preambleLength = 16 
)

Initialization method.

Parameters
freqCarrier frequency in MHz. Defaults to 434.0 MHz.
brBit rate to be used in kbps. Defaults to 48.0 kbps.
freqDevFrequency deviation from carrier frequency in kHz Defaults to 48.0 kHz.
rxBwReceiver bandwidth in kHz. Defaults to 135.0 kHz.
powerOutput power in dBm. Defaults to 10 dBm.
preambleLengthPreamble Length in bits. Defaults to 16 bits.
Returns
Status Codes

◆ disableAddressFiltering()

int16_t CC1101::disableAddressFiltering ( )

Disables address filtering. Calling this method will also erase previously set addresses.

Returns
Status Codes

◆ disableSyncWordFiltering()

int16_t CC1101::disableSyncWordFiltering ( bool  requireCarrierSense = false)

Disable preamble and sync word filtering and generation.

Parameters
requireCarrierSenseRequire carrier sense above threshold.
Returns
Status Codes

◆ enableSyncWordFiltering()

int16_t CC1101::enableSyncWordFiltering ( uint8_t  maxErrBits = 0,
bool  requireCarrierSense = false 
)

Enable sync word filtering and generation.

Parameters
numBitsSync word length in bits.
requireCarrierSenseRequire carrier sense above threshold in addition to sync word.
Returns
Status Codes

◆ fixedPacketLengthMode()

int16_t CC1101::fixedPacketLengthMode ( uint8_t  len = CC1101_MAX_PACKET_LENGTH)

Set modem in fixed packet length mode.

Parameters
lenPacket length.
Returns
Status Codes

◆ getLQI()

uint8_t CC1101::getLQI ( ) const

Gets LQI (Link Quality Indicator) of the last received packet.

Returns
Last packet LQI (lower is better).

◆ getPacketLength()

size_t CC1101::getPacketLength ( bool  update = true)
overridevirtual

Query modem for the packet length of received payload.

Parameters
updateUpdate received packet length. Will return cached value when set to false.
Returns
Length of last received packet in bytes.

Implements PhysicalLayer.

◆ getRSSI()

float CC1101::getRSSI ( ) const

Gets RSSI (Recorded Signal Strength Indicator) of the last received packet.

Returns
Last packet RSSI in dBm.

◆ readData()

int16_t CC1101::readData ( uint8_t *  data,
size_t  len 
)
overridevirtual

Reads data received after calling startReceive method.

Parameters
dataPointer to array to save the received binary data.
lenNumber of bytes that will be received. Must be known in advance for binary transmissions.
Returns
Status Codes

Implements PhysicalLayer.

◆ receive()

int16_t CC1101::receive ( uint8_t *  data,
size_t  len 
)
overridevirtual

Blocking binary receive method. Overloads for string-based transmissions are implemented in PhysicalLayer.

Parameters
dataBinary data to be sent.
lenNumber of bytes to send.
Returns
Status Codes

Implements PhysicalLayer.

◆ receiveDirect()

int16_t CC1101::receiveDirect ( )
overridevirtual

Starts direct mode reception.

Returns
Status Codes

Implements PhysicalLayer.

◆ setBitRate()

int16_t CC1101::setBitRate ( float  br)

Sets bit rate. Allowed values range from 0.025 to 600.0 kbps.

Parameters
brBit rate to be set in kbps.
Returns
Status Codes

◆ setCrcFiltering()

int16_t CC1101::setCrcFiltering ( bool  crcOn = true)

Enable CRC filtering and generation.

Parameters
crcOnSet or unset promiscuous mode.
Returns
Status Codes

◆ setDataShaping()

int16_t CC1101::setDataShaping ( uint8_t  sh)
overridevirtual

Sets Gaussian filter bandwidth-time product that will be used for data shaping. Allowed value is RADIOLIB_SHAPING_0_5. Set to RADIOLIB_SHAPING_NONE to disable data shaping.

Parameters
shGaussian shaping bandwidth-time product that will be used for data shaping.
Returns
Status Codes

Implements PhysicalLayer.

◆ setEncoding()

int16_t CC1101::setEncoding ( uint8_t  encoding)
overridevirtual

Sets transmission encoding. Allowed values are RADIOLIB_ENCODING_NRZ and RADIOLIB_ENCODING_WHITENING.

Parameters
encodingEncoding to be used.
Returns
Status Codes

Implements PhysicalLayer.

◆ setFrequency()

int16_t CC1101::setFrequency ( float  freq)

Sets carrier frequency. Allowed values are in bands 300.0 to 348.0 MHz, 387.0 to 464.0 MHz and 779.0 to 928.0 MHz.

Parameters
freqCarrier frequency to be set in MHz.
Returns
Status Codes

◆ setFrequencyDeviation()

int16_t CC1101::setFrequencyDeviation ( float  freqDev)
overridevirtual

Sets frequency deviation. Allowed values range from 1.587 to 380.8 kHz.

Parameters
freqDevFrequency deviation to be set in kHz.
Returns
Status Codes

Implements PhysicalLayer.

◆ setGdo0Action()

void CC1101::setGdo0Action ( void(*)(void)  func,
RADIOLIB_INTERRUPT_STATUS  dir = FALLING 
)

Sets interrupt service routine to call when GDO0 activates.

Parameters
funcISR to call.
dirSignal change direction. Defaults to FALLING.

◆ setGdo2Action()

void CC1101::setGdo2Action ( void(*)(void)  func,
RADIOLIB_INTERRUPT_STATUS  dir = FALLING 
)

Sets interrupt service routine to call when GDO2 activates.

Parameters
funcISR to call.
dirSignal change direction. Defaults to FALLING.

◆ setNodeAddress()

int16_t CC1101::setNodeAddress ( uint8_t  nodeAddr,
uint8_t  numBroadcastAddrs = 0 
)

Sets node and broadcast addresses. Calling this method will also enable address filtering.

Parameters
nodeAddrNode address to be set.
numBroadcastAddrsNumber of broadcast addresses to be used. Can be set to 0 (no broadcast), 1 (broadcast at 0x00) or 2 (broadcast at 0x00 and 0xFF).
Returns
Status Codes

◆ setOOK()

int16_t CC1101::setOOK ( bool  enableOOK)

Enables/disables OOK modulation instead of FSK.

Parameters
enableOOKEnable (true) or disable (false) OOK.
Returns
Status Codes

◆ setOutputPower()

int16_t CC1101::setOutputPower ( int8_t  power)

Sets output power. Allowed values are -30, -20, -15, -10, 0, 5, 7 or 10 dBm.

Parameters
powerOutput power to be set in dBm.
Returns
Status Codes

◆ setPreambleLength()

int16_t CC1101::setPreambleLength ( uint8_t  preambleLength)

Sets preamble length.

Parameters
preambleLengthPreamble length to be set (in bits), allowed values: 16, 24, 32, 48, 64, 96, 128 and 192.
Returns
Status Codes

◆ setPromiscuousMode()

int16_t CC1101::setPromiscuousMode ( bool  promiscuous = true)

Set modem in "sniff" mode: no packet filtering (e.g., no preamble, sync word, address, CRC).

Parameters
promiscuousSet or unset promiscuous mode.
Returns
Status Codes

◆ setRfSwitchPins()

void CC1101::setRfSwitchPins ( RADIOLIB_PIN_TYPE  rxEn,
RADIOLIB_PIN_TYPE  txEn 
)

Some modules contain external RF switch controlled by two pins. This function gives RadioLib control over those two pins to automatically switch Rx and Tx state. When using automatic RF switch control, DO NOT change the pin mode of rxEn or txEn from Arduino sketch!

Parameters
rxEnRX enable pin.
txEnTX enable pin.

◆ setRxBandwidth()

int16_t CC1101::setRxBandwidth ( float  rxBw)

Sets receiver bandwidth. Allowed values range from 58.0 to 812.0 kHz.

Parameters
rxBwReceiver bandwidth to be set in kHz.
Returns
Status Codes

◆ setSyncWord() [1/2]

int16_t CC1101::setSyncWord ( uint8_t  syncH,
uint8_t  syncL,
uint8_t  maxErrBits = 0,
bool  requireCarrierSense = false 
)

Sets 16-bit sync word as a two byte value.

Parameters
syncHMSB of the sync word.
syncLLSB of the sync word.
maxErrBitsMaximum allowed number of bit errors in received sync word. Defaults to 0.
requireCarrierSenseRequire carrier sense above threshold in addition to sync word.
Returns
Status Codes

◆ setSyncWord() [2/2]

int16_t CC1101::setSyncWord ( uint8_t *  syncWord,
uint8_t  len,
uint8_t  maxErrBits = 0,
bool  requireCarrierSense = false 
)

Sets 1 or 2 bytes of sync word.

Parameters
syncWordPointer to the array of sync word bytes.
lenSync word length in bytes.
maxErrBitsMaximum allowed number of bit errors in received sync word. Defaults to 0.
requireCarrierSenseRequire carrier sense above threshold in addition to sync word.
Returns
Status Codes

◆ standby()

int16_t CC1101::standby ( )
overridevirtual

Sets the module to standby mode.

Returns
Status Codes

Implements PhysicalLayer.

◆ startReceive()

int16_t CC1101::startReceive ( )

Interrupt-driven receive method. GDO0 will be activated when full packet is received.

Returns
Status Codes

◆ startTransmit()

int16_t CC1101::startTransmit ( uint8_t *  data,
size_t  len,
uint8_t  addr = 0 
)
overridevirtual

Interrupt-driven binary transmit method. Overloads for string-based transmissions are implemented in PhysicalLayer.

Parameters
dataBinary data to be sent.
lenNumber of bytes to send.
addrAddress to send the data to. Will only be added if address filtering was enabled.
Returns
Status Codes

Implements PhysicalLayer.

◆ transmit()

int16_t CC1101::transmit ( uint8_t *  data,
size_t  len,
uint8_t  addr = 0 
)
overridevirtual

Blocking binary transmit method. Overloads for string-based transmissions are implemented in PhysicalLayer.

Parameters
dataBinary data to be sent.
lenNumber of bytes to send.
addrAddress to send the data to. Will only be added if address filtering was enabled.
Returns
Status Codes

Implements PhysicalLayer.

◆ transmitDirect()

int16_t CC1101::transmitDirect ( uint32_t  frf = 0)
overridevirtual

Starts direct mode transmission.

Parameters
frfRaw RF frequency value. Defaults to 0, required for quick frequency shifts in RTTY.
Returns
Status Codes

Implements PhysicalLayer.

◆ variablePacketLengthMode()

int16_t CC1101::variablePacketLengthMode ( uint8_t  maxLen = CC1101_MAX_PACKET_LENGTH)

Set modem in variable packet length mode.

Parameters
lenMaximum packet length.
Returns
Status Codes

The documentation for this class was generated from the following files: