Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Radio Class Reference
#include <radio.h>
Inherited by SX1276.
Public Member Functions | |
Radio (RadioEvents_t *events) | |
Constructor of the radio object, the parameters are the callback functions described in the header. | |
virtual void | Init (RadioEvents_t *events)=0 |
Initializes the radio. | |
virtual RadioState | GetStatus (void)=0 |
Return current radio status. | |
virtual void | SetModem (RadioModems_t modem)=0 |
Configures the radio with the given modem. | |
virtual void | SetChannel (uint32_t freq)=0 |
Sets the channel frequency. | |
virtual bool | IsChannelFree (RadioModems_t modem, uint32_t freq, int16_t rssiThresh)=0 |
Sets the channels configuration. | |
virtual uint32_t | Random (void)=0 |
Generates a 32 bits random value based on the RSSI readings. | |
virtual void | SetRxConfig (RadioModems_t modem, uint32_t bandwidth, uint32_t datarate, uint8_t coderate, uint32_t bandwidthAfc, uint16_t preambleLen, uint16_t symbTimeout, bool fixLen, uint8_t payloadLen, bool crcOn, bool freqHopOn, uint8_t hopPeriod, bool iqInverted, bool rxContinuous)=0 |
Sets the reception parameters. | |
virtual void | SetTxConfig (RadioModems_t modem, int8_t power, uint32_t fdev, uint32_t bandwidth, uint32_t datarate, uint8_t coderate, uint16_t preambleLen, bool fixLen, bool crcOn, bool freqHopOn, uint8_t hopPeriod, bool iqInverted, uint32_t timeout)=0 |
Sets the transmission parameters. | |
virtual bool | CheckRfFrequency (uint32_t frequency)=0 |
Checks if the given RF frequency is supported by the hardware. | |
virtual double | TimeOnAir (RadioModems_t modem, uint8_t pktLen)=0 |
Computes the packet time on air for the given payload. | |
virtual void | Send (uint8_t *buffer, uint8_t size)=0 |
Sends the buffer of size. Prepares the packet to be sent and sets the radio in transmission. | |
virtual void | Sleep (void)=0 |
Sets the radio in sleep mode. | |
virtual void | Standby (void)=0 |
Sets the radio in standby mode. | |
virtual void | StartCad (void)=0 |
Sets the radio in CAD mode. | |
virtual void | Rx (uint32_t timeout)=0 |
Sets the radio in reception mode for the given time. | |
virtual void | Tx (uint32_t timeout)=0 |
Sets the radio in transmission mode for the given time. | |
virtual int16_t | GetRssi (RadioModems_t modem)=0 |
Reads the current RSSI value. | |
virtual void | Write (uint8_t addr, uint8_t data)=0 |
Writes the radio register at the specified address. | |
virtual uint8_t | Read (uint8_t addr)=0 |
Reads the radio register at the specified address. | |
virtual void | Write (uint8_t addr, uint8_t *buffer, uint8_t size)=0 |
Writes multiple radio registers starting at address. | |
virtual void | Read (uint8_t addr, uint8_t *buffer, uint8_t size)=0 |
Reads multiple radio registers starting at address. | |
virtual void | WriteFifo (uint8_t *buffer, uint8_t size)=0 |
Writes the buffer contents to the SX1276 FIFO. | |
virtual void | ReadFifo (uint8_t *buffer, uint8_t size)=0 |
Reads the contents of the SX1276 FIFO. | |
virtual void | SetMaxPayloadLength (RadioModems_t modem, uint8_t max)=0 |
Sets the maximum payload length. |
Detailed Description
Interface for the radios, contains the main functions that a radio needs, and 5 callback functions
Definition at line 73 of file radio.h.
Constructor & Destructor Documentation
Radio | ( | RadioEvents_t * | events ) |
Member Function Documentation
virtual bool CheckRfFrequency | ( | uint32_t | frequency ) | [pure virtual] |
Checks if the given RF frequency is supported by the hardware.
- Parameters:
-
[IN] frequency RF frequency to be checked
- Return values:
-
isSupported [true: supported, false: unsupported]
Implemented in SX1276MB1xAS, and SX1276.
virtual int16_t GetRssi | ( | RadioModems_t | modem ) | [pure virtual] |
Reads the current RSSI value.
- Return values:
-
rssiValue Current RSSI value in [dBm]
Implemented in SX1276.
virtual RadioState GetStatus | ( | void | ) | [pure virtual] |
virtual void Init | ( | RadioEvents_t * | events ) | [pure virtual] |
Initializes the radio.
- Parameters:
-
[IN] events Structure containing the driver callback functions
Implemented in SX1276.
virtual bool IsChannelFree | ( | RadioModems_t | modem, |
uint32_t | freq, | ||
int16_t | rssiThresh | ||
) | [pure virtual] |
virtual uint32_t Random | ( | void | ) | [pure virtual] |
Generates a 32 bits random value based on the RSSI readings.
- Remarks:
- This function sets the radio in LoRa modem mode and disables all interrupts. After calling this function either Radio.SetRxConfig or Radio.SetTxConfig functions must be called.
- Return values:
-
randomValue 32 bits random value
Implemented in SX1276.
virtual uint8_t Read | ( | uint8_t | addr ) | [pure virtual] |
Reads the radio register at the specified address.
- Parameters:
-
[IN],: addr Register address
- Return values:
-
data Register value
Implemented in SX1276MB1xAS, and SX1276.
virtual void Read | ( | uint8_t | addr, |
uint8_t * | buffer, | ||
uint8_t | size | ||
) | [pure virtual] |
Reads multiple radio registers starting at address.
- Parameters:
-
[IN] addr First Radio register address [OUT] buffer Buffer where to copy the registers data [IN] size Number of registers to be read
Implemented in SX1276MB1xAS, and SX1276.
virtual void ReadFifo | ( | uint8_t * | buffer, |
uint8_t | size | ||
) | [pure virtual] |
Reads the contents of the SX1276 FIFO.
- Parameters:
-
[OUT] buffer Buffer where to copy the FIFO read data. [IN] size Number of bytes to be read from the FIFO
Implemented in SX1276MB1xAS, and SX1276.
virtual void Rx | ( | uint32_t | timeout ) | [pure virtual] |
Sets the radio in reception mode for the given time.
- Parameters:
-
[IN] timeout Reception timeout [us] [0: continuous, others timeout]
Implemented in SX1276.
virtual void Send | ( | uint8_t * | buffer, |
uint8_t | size | ||
) | [pure virtual] |
Sends the buffer of size. Prepares the packet to be sent and sets the radio in transmission.
- Parameters:
-
[IN],: buffer Buffer pointer [IN],: size Buffer size
Implemented in SX1276.
virtual void SetChannel | ( | uint32_t | freq ) | [pure virtual] |
virtual void SetMaxPayloadLength | ( | RadioModems_t | modem, |
uint8_t | max | ||
) | [pure virtual] |
virtual void SetModem | ( | RadioModems_t | modem ) | [pure virtual] |
Configures the radio with the given modem.
- Parameters:
-
[IN] modem Modem to be used [0: FSK, 1: LoRa]
Implemented in SX1276.
virtual void SetRxConfig | ( | RadioModems_t | modem, |
uint32_t | bandwidth, | ||
uint32_t | datarate, | ||
uint8_t | coderate, | ||
uint32_t | bandwidthAfc, | ||
uint16_t | preambleLen, | ||
uint16_t | symbTimeout, | ||
bool | fixLen, | ||
uint8_t | payloadLen, | ||
bool | crcOn, | ||
bool | freqHopOn, | ||
uint8_t | hopPeriod, | ||
bool | iqInverted, | ||
bool | rxContinuous | ||
) | [pure virtual] |
Sets the reception parameters.
- Parameters:
-
[IN] modem Radio modem to be used [0: FSK, 1: LoRa] [IN] bandwidth Sets the bandwidth FSK : >= 2600 and <= 250000 Hz LoRa: [0: 125 kHz, 1: 250 kHz, 2: 500 kHz, 3: Reserved] [IN] datarate Sets the Datarate FSK : 600..300000 bits/s LoRa: [6: 64, 7: 128, 8: 256, 9: 512, 10: 1024, 11: 2048, 12: 4096 chips] [IN] coderate Sets the coding rate ( LoRa only ) FSK : N/A ( set to 0 ) LoRa: [1: 4/5, 2: 4/6, 3: 4/7, 4: 4/8] [IN] bandwidthAfc Sets the AFC Bandwidth ( FSK only ) FSK : >= 2600 and <= 250000 Hz LoRa: N/A ( set to 0 ) [IN] preambleLen Sets the Preamble length ( LoRa only ) FSK : N/A ( set to 0 ) LoRa: Length in symbols ( the hardware adds 4 more symbols ) [IN] symbTimeout Sets the RxSingle timeout value ( LoRa only ) FSK : N/A ( set to 0 ) LoRa: timeout in symbols [IN] fixLen Fixed length packets [0: variable, 1: fixed] [IN] payloadLen Sets payload length when fixed lenght is used [IN] crcOn Enables/Disables the CRC [0: OFF, 1: ON] [IN] freqHopOn Enables disables the intra-packet frequency hopping [0: OFF, 1: ON] (LoRa only) [IN] hopPeriod Number of symbols bewteen each hop (LoRa only) [IN] iqInverted Inverts IQ signals ( LoRa only ) FSK : N/A ( set to 0 ) LoRa: [0: not inverted, 1: inverted] [IN] rxContinuous Sets the reception in continuous mode [false: single mode, true: continuous mode]
Implemented in SX1276.
virtual void SetTxConfig | ( | RadioModems_t | modem, |
int8_t | power, | ||
uint32_t | fdev, | ||
uint32_t | bandwidth, | ||
uint32_t | datarate, | ||
uint8_t | coderate, | ||
uint16_t | preambleLen, | ||
bool | fixLen, | ||
bool | crcOn, | ||
bool | freqHopOn, | ||
uint8_t | hopPeriod, | ||
bool | iqInverted, | ||
uint32_t | timeout | ||
) | [pure virtual] |
Sets the transmission parameters.
- Parameters:
-
[IN] modem Radio modem to be used [0: FSK, 1: LoRa] [IN] power Sets the output power [dBm] [IN] fdev Sets the frequency deviation ( FSK only ) FSK : [Hz] LoRa: 0 [IN] bandwidth Sets the bandwidth ( LoRa only ) FSK : 0 LoRa: [0: 125 kHz, 1: 250 kHz, 2: 500 kHz, 3: Reserved] [IN] datarate Sets the Datarate FSK : 600..300000 bits/s LoRa: [6: 64, 7: 128, 8: 256, 9: 512, 10: 1024, 11: 2048, 12: 4096 chips] [IN] coderate Sets the coding rate ( LoRa only ) FSK : N/A ( set to 0 ) LoRa: [1: 4/5, 2: 4/6, 3: 4/7, 4: 4/8] [IN] preambleLen Sets the preamble length [IN] fixLen Fixed length packets [0: variable, 1: fixed] [IN] crcOn Enables disables the CRC [0: OFF, 1: ON] [IN] freqHopOn Enables disables the intra-packet frequency hopping [0: OFF, 1: ON] (LoRa only) [IN] hopPeriod Number of symbols bewteen each hop (LoRa only) [IN] iqInverted Inverts IQ signals ( LoRa only ) FSK : N/A ( set to 0 ) LoRa: [0: not inverted, 1: inverted] [IN] timeout Transmission timeout [us]
Implemented in SX1276.
virtual void Sleep | ( | void | ) | [pure virtual] |
Sets the radio in sleep mode.
Implemented in SX1276.
virtual void Standby | ( | void | ) | [pure virtual] |
Sets the radio in standby mode.
Implemented in SX1276.
virtual void StartCad | ( | void | ) | [pure virtual] |
Sets the radio in CAD mode.
Implemented in SX1276.
virtual double TimeOnAir | ( | RadioModems_t | modem, |
uint8_t | pktLen | ||
) | [pure virtual] |
Computes the packet time on air for the given payload.
Can only be called once SetRxConfig or SetTxConfig have been called
- Parameters:
-
[IN] modem Radio modem to be used [0: FSK, 1: LoRa] [IN] pktLen Packet payload length
- Return values:
-
airTime Computed airTime for the given packet payload length
Implemented in SX1276.
virtual void Tx | ( | uint32_t | timeout ) | [pure virtual] |
Sets the radio in transmission mode for the given time.
- Parameters:
-
[IN] timeout Transmission timeout [us] [0: continuous, others timeout]
Implemented in SX1276.
virtual void Write | ( | uint8_t | addr, |
uint8_t | data | ||
) | [pure virtual] |
Writes the radio register at the specified address.
- Parameters:
-
[IN],: addr Register address [IN],: data New register value
Implemented in SX1276MB1xAS, and SX1276.
virtual void Write | ( | uint8_t | addr, |
uint8_t * | buffer, | ||
uint8_t | size | ||
) | [pure virtual] |
Writes multiple radio registers starting at address.
- Parameters:
-
[IN] addr First Radio register address [IN] buffer Buffer containing the new register's values [IN] size Number of registers to be written
Implemented in SX1276MB1xAS, and SX1276.
virtual void WriteFifo | ( | uint8_t * | buffer, |
uint8_t | size | ||
) | [pure virtual] |
Writes the buffer contents to the SX1276 FIFO.
- Parameters:
-
[IN] buffer Buffer containing data to be put on the FIFO. [IN] size Number of bytes to be written to the FIFO
Implemented in SX1276MB1xAS, and SX1276.
Generated on Thu Jul 14 2022 02:00:48 by
