RadioLib
Universal wireless communication library for Arduino
ExternalRadio Class Reference

Class to interface with external radio hardware. More...

#include <ExternalRadio.h>

Inheritance diagram for ExternalRadio:
PhysicalLayer

Public Member Functions

 ExternalRadio (RadioLibHal *hal, uint32_t pin=RADIOLIB_NC)
 Default constructor. More...
 
 ExternalRadio (const ExternalRadio &ext)
 Copy constructor. More...
 
ExternalRadiooperator= (const ExternalRadio &ext)
 Overload for assignment operator. More...
 
 ~ExternalRadio ()
 Default destructor.
 
ModulegetMod () override
 Method to retrieve pointer to the underlying Module instance. More...
 
int16_t setFrequencyDeviation (float freqDev) override
 Dummy implementation overriding PhysicalLayer. More...
 
int16_t setDataShaping (uint8_t sh) override
 Dummy implementation overriding PhysicalLayer. More...
 
int16_t setEncoding (uint8_t encoding) override
 Dummy implementation overriding PhysicalLayer. More...
 
int16_t transmitDirect (uint32_t frf=0) override
 Direct transmission to drive external radio. More...
 
- Public Member Functions inherited from PhysicalLayer
 PhysicalLayer (float step, size_t maxLen)
 Default constructor. More...
 
int16_t transmit (const char *str, uint8_t addr=0)
 C-string transmit method. More...
 
virtual int16_t transmit (const uint8_t *data, size_t len, uint8_t addr=0)
 Binary transmit method. Must be implemented in module class. More...
 
virtual int16_t sleep ()
 Sets module to sleep. More...
 
virtual int16_t standby ()
 Sets module to standby. More...
 
virtual int16_t standby (uint8_t mode)
 Sets module to a specific standby mode. More...
 
virtual int16_t startReceive ()
 Sets module to received mode using its default configuration. More...
 
virtual int16_t startReceive (uint32_t timeout, RadioLibIrqFlags_t irqFlags, RadioLibIrqFlags_t irqMask, size_t len)
 Interrupt-driven receive method. A DIO pin will be activated when full packet is received. Must be implemented in module class. More...
 
virtual int16_t receive (uint8_t *data, size_t len)
 Binary receive method. Must be implemented in module class. 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...
 
virtual int16_t startTransmit (const uint8_t *data, size_t len, uint8_t addr=0)
 Interrupt-driven binary transmit method. More...
 
virtual int16_t finishTransmit ()
 Clean up after transmission is done. More...
 
virtual int16_t readData (uint8_t *data, size_t len)
 Reads data that was received after calling startReceive method. More...
 
virtual int16_t receiveDirect ()
 Enables direct reception mode on pins DIO1 (clock) and DIO2 (data). Must be implemented in module class. While in direct mode, the module will not be able to transmit or receive packets. Can only be activated in FSK mode. More...
 
virtual int16_t setFrequency (float freq)
 Sets carrier frequency. Must be implemented in module class. More...
 
virtual int16_t setBitRate (float br)
 Sets FSK bit rate. Only available in FSK mode. Must be implemented in module class. More...
 
virtual int16_t invertIQ (bool enable)
 Set IQ inversion. Must be implemented in module class if the module supports it. More...
 
virtual int16_t setOutputPower (int8_t power)
 Set output power. Must be implemented in module class if the module supports it. More...
 
virtual int16_t checkOutputPower (int8_t power, int8_t *clipped)
 Check if output power is configurable. Must be implemented in module class if the module supports it. More...
 
virtual int16_t setSyncWord (uint8_t *sync, size_t len)
 Set sync word. Must be implemented in module class if the module supports it. More...
 
virtual int16_t setPreambleLength (size_t len)
 Set preamble length. Must be implemented in module class if the module supports it. More...
 
virtual int16_t setDataRate (DataRate_t dr)
 Set data. Must be implemented in module class if the module supports it. More...
 
virtual int16_t checkDataRate (DataRate_t dr)
 Check the data rate can be configured by this module. Must be implemented in module class if the module supports it. More...
 
float getFreqStep () const
 Gets the module frequency step size that was set in constructor. More...
 
virtual size_t getPacketLength (bool update=true)
 Query modem for the packet length of received payload. Must be implemented in module class. More...
 
virtual float getRSSI ()
 Gets RSSI (Recorded Signal Strength Indicator) of the last received packet. More...
 
virtual float getSNR ()
 Gets SNR (Signal to Noise Ratio) of the last received packet. Only available for LoRa modem. More...
 
virtual RadioLibTime_t getTimeOnAir (size_t len)
 Get expected time-on-air for a given size of payload. More...
 
virtual RadioLibTime_t calculateRxTimeout (RadioLibTime_t timeoutUs)
 Calculate the timeout value for this specific module / series (in number of symbols or units of time). More...
 
uint32_t getIrqMapped (RadioLibIrqFlags_t irq)
 Convert from radio-agnostic IRQ flags to radio-specific flags. More...
 
int16_t checkIrq (RadioLibIrqType_t irq)
 Check whether a specific IRQ bit is set (e.g. RxTimeout, CadDone). More...
 
int16_t setIrq (RadioLibIrqFlags_t irq)
 Set interrupt on specific IRQ bit(s) (e.g. RxTimeout, CadDone). Keep in mind that not all radio modules support all RADIOLIB_IRQ_ flags! More...
 
int16_t clearIrq (RadioLibIrqFlags_t irq)
 Clear interrupt on a specific IRQ bit (e.g. RxTimeout, CadDone). Keep in mind that not all radio modules support all RADIOLIB_IRQ_ flags! More...
 
virtual uint32_t getIrqFlags ()
 Read currently active IRQ flags. Must be implemented in module class. More...
 
virtual int16_t setIrqFlags (uint32_t irq)
 Set interrupt on DIO1 to be sent on a specific IRQ bit (e.g. RxTimeout, CadDone). Must be implemented in module class. More...
 
virtual int16_t clearIrqFlags (uint32_t irq)
 Clear interrupt on a specific IRQ bit (e.g. RxTimeout, CadDone). Must be implemented in module class. More...
 
virtual int16_t startChannelScan ()
 Interrupt-driven channel activity detection method. Interrupt will be activated when packet is detected. Must be implemented in module class. More...
 
virtual int16_t startChannelScan (const ChannelScanConfig_t &config)
 Interrupt-driven channel activity detection method. interrupt will be activated when packet is detected. Must be implemented in module class. More...
 
virtual int16_t getChannelScanResult ()
 Read the channel scan result. More...
 
virtual int16_t scanChannel ()
 Check whether the current communication channel is free or occupied. Performs CAD for LoRa modules, or RSSI measurement for FSK modules. More...
 
virtual int16_t scanChannel (const ChannelScanConfig_t &config)
 Check whether the current communication channel is free or occupied. Performs CAD for LoRa modules, or RSSI measurement for FSK modules. More...
 
int32_t random (int32_t max)
 Get truly random number in range 0 - max. More...
 
int32_t random (int32_t min, int32_t max)
 Get truly random number in range min - max. More...
 
virtual uint8_t randomByte ()
 Get one truly random byte from RSSI noise. Must be implemented in module class. More...
 
int16_t startDirect ()
 Configure module parameters for direct modes. Must be called prior to "ham" modes like RTTY or AX.25. Only available in FSK mode. More...
 
int16_t setDirectSyncWord (uint32_t syncWord, uint8_t len)
 Set sync word to be used to determine start of packet in direct reception mode. More...
 
virtual void setDirectAction (void(*func)(void))
 Set interrupt service routine function to call when data bit is received in direct mode. Must be implemented in module class. More...
 
virtual void readBit (uint32_t pin)
 Function to read and process data bit in direct reception mode. Must be implemented in module class. More...
 
int16_t available ()
 Get the number of direct mode bytes currently available in buffer. More...
 
void dropSync ()
 Forcefully drop synchronization.
 
uint8_t read (bool drop=true)
 Get data from direct mode buffer. More...
 
virtual int16_t setDIOMapping (uint32_t pin, uint32_t value)
 Configure DIO pin mapping to get a given signal on a DIO pin (if available). More...
 
virtual void setPacketReceivedAction (void(*func)(void))
 Sets interrupt service routine to call when a packet is received. More...
 
virtual void clearPacketReceivedAction ()
 Clears interrupt service routine to call when a packet is received.
 
virtual void setPacketSentAction (void(*func)(void))
 Sets interrupt service routine to call when a packet is sent. More...
 
virtual void clearPacketSentAction ()
 Clears interrupt service routine to call when a packet is sent.
 
virtual void setChannelScanAction (void(*func)(void))
 Sets interrupt service routine to call when a channel scan is finished. More...
 
virtual void clearChannelScanAction ()
 Clears interrupt service routine to call when a channel scan is finished.
 
virtual int16_t setModem (ModemType_t modem)
 Set modem for the radio to use. Will perform full reset and reconfigure the radio using its default parameters. More...
 
virtual int16_t getModem (ModemType_t *modem)
 Get modem currently in use by the radio. More...
 

Detailed Description

Class to interface with external radio hardware.

Constructor & Destructor Documentation

◆ ExternalRadio() [1/2]

ExternalRadio::ExternalRadio ( RadioLibHal hal,
uint32_t  pin = RADIOLIB_NC 
)

Default constructor.

Parameters
halPointer to the hardware abstraction layer to use.
pinOutput pin when using direct transmission, defaults to unused pin.

◆ ExternalRadio() [2/2]

ExternalRadio::ExternalRadio ( const ExternalRadio ext)

Copy constructor.

Parameters
extExternalRadio instance to copy.

Member Function Documentation

◆ getMod()

Module * ExternalRadio::getMod ( )
overridevirtual

Method to retrieve pointer to the underlying Module instance.

Returns
Pointer to the Module instance.

Implements PhysicalLayer.

◆ operator=()

ExternalRadio & ExternalRadio::operator= ( const ExternalRadio ext)

Overload for assignment operator.

Parameters
extrvalue ExternalRadio.

◆ setDataShaping()

int16_t ExternalRadio::setDataShaping ( uint8_t  sh)
overridevirtual

Dummy implementation overriding PhysicalLayer.

Parameters
shIgnored.
Returns
Status Codes

Reimplemented from PhysicalLayer.

◆ setEncoding()

int16_t ExternalRadio::setEncoding ( uint8_t  encoding)
overridevirtual

Dummy implementation overriding PhysicalLayer.

Parameters
encodingIgnored.
Returns
Status Codes

Reimplemented from PhysicalLayer.

◆ setFrequencyDeviation()

int16_t ExternalRadio::setFrequencyDeviation ( float  freqDev)
overridevirtual

Dummy implementation overriding PhysicalLayer.

Parameters
freqDevIgnored.
Returns
Status Codes

Reimplemented from PhysicalLayer.

◆ transmitDirect()

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

Direct transmission to drive external radio.

Parameters
frf"Frequency" to control the output pin. If the frequency is higher than the one sent previously, the output pin will be set to logic high. Otherwise it will be set to logic low.
Returns
Status Codes

Reimplemented from PhysicalLayer.


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