pulsewire::TxProtocolRP2040 Class Reference

RP2040-specific TxProtocol implementation using PIO and DMA for precise timing. More...

#include <TxDriverRP2040.h>

Inheritance diagram for pulsewire::TxProtocolRP2040:

Collaboration diagram for pulsewire::TxProtocolRP2040:

Public Member Functions
void	setFrameSize (uint16_t size) override
bool	begin (Codec *p_codec, uint8_t pin) override
void	sendPreamble () override
void	sendData (const uint8_t *data, uint8_t len, uint32_t bitPeriod) override
void	sendEnd (bool &useChecksum, bool isDelayAfterFrame, uint32_t bitPeriod) override
bool	isFrameClosed () const override
virtual bool	begin (uint16_t bitFrequencyHz, Codec *p_codec, uint8_t pin)=0
virtual void	sendData (const uint8_t *data, uint8_t len)=0
virtual void	sendEnd (bool &_useChecksum, bool isDelayAfterFrame)=0

Protected Member Functions
void	sendEdgesPIO (const Vector< OutputEdge > &edges)

Protected Attributes
Codec *	_codec = nullptr
uint8_t	_txPin
uint16_t	_frameSize = 64
Vector< OutputEdge >	output
uint8_t	sum = 0
bool	is_frame_closed = true
PIO	pio = PIO(0)
uint8_t	sm = 0
uint32_t	offset = 0

Static Protected Attributes
static const char *	ir_tx_pio_program

Detailed Description

RP2040-specific TxProtocol implementation using PIO and DMA for precise timing.

Definition at line 17 of file TxDriverRP2040.h.

Member Function Documentation

begin() [1/2]

bool pulsewire::TxProtocolRP2040::begin ( Codec *  p_codec, uint8_t  pin  )

inlineoverride

Definition at line 26 of file TxDriverRP2040.h.

begin() [2/2]

virtual bool pulsewire::TxProtocol::begin ( uint16_t  bitFrequencyHz, Codec *  p_codec, uint8_t  pin  )

pure virtualinherited

Implemented in pulsewire::TxProtocolGeneric.

isFrameClosed()

bool pulsewire::TxProtocolRP2040::isFrameClosed ( ) const

inlineoverridevirtual

Implements pulsewire::TxProtocol.

Definition at line 98 of file TxDriverRP2040.h.

sendData() [1/2]

virtual void pulsewire::TxProtocol::sendData ( const uint8_t *  data, uint8_t  len  )

pure virtualinherited

Implemented in pulsewire::TxProtocolGeneric.

sendData() [2/2]

void pulsewire::TxProtocolRP2040::sendData ( const uint8_t *  data, uint8_t  len, uint32_t  bitPeriod  )

inlineoverride

Definition at line 66 of file TxDriverRP2040.h.

sendEdgesPIO()

void pulsewire::TxProtocolRP2040::sendEdgesPIO ( const Vector< OutputEdge > &  edges )

inlineprotected

Definition at line 112 of file TxDriverRP2040.h.

sendEnd() [1/2]

virtual void pulsewire::TxProtocol::sendEnd ( bool &  _useChecksum, bool  isDelayAfterFrame  )

pure virtualinherited

Implemented in pulsewire::TxProtocolGeneric.

sendEnd() [2/2]

void pulsewire::TxProtocolRP2040::sendEnd ( bool &  useChecksum, bool  isDelayAfterFrame, uint32_t  bitPeriod  )

inlineoverride

Definition at line 80 of file TxDriverRP2040.h.

sendPreamble()

void pulsewire::TxProtocolRP2040::sendPreamble ( )

inlineoverridevirtual

Implements pulsewire::TxProtocol.

Definition at line 57 of file TxDriverRP2040.h.

setFrameSize()

void pulsewire::TxProtocolRP2040::setFrameSize ( uint16_t  size )

inlineoverridevirtual

Implements pulsewire::TxProtocol.

Definition at line 21 of file TxDriverRP2040.h.

Field Documentation

_codec

Codec* pulsewire::TxProtocolRP2040::_codec = nullptr

protected

Definition at line 101 of file TxDriverRP2040.h.

_frameSize

uint16_t pulsewire::TxProtocolRP2040::_frameSize = 64

protected

Definition at line 103 of file TxDriverRP2040.h.

_txPin

uint8_t pulsewire::TxProtocolRP2040::_txPin

protected

Definition at line 102 of file TxDriverRP2040.h.

ir_tx_pio_program

const char * pulsewire::TxProtocolRP2040::ir_tx_pio_program

staticprotected

Initial value:

= R"(
  .program ir_tx
  pull block
  mov x, osr
  pull block
  mov y, osr
  jmp y mark
space:
  set pins, 0
  nop [31]
  jmp x-- space
  set pins, 0
  jmp ir_tx
mark:
  set pins, 1
  nop [carrier_half_period]
  set pins, 0
  nop [carrier_half_period]
  jmp x-- mark
  set pins, 0
  jmp ir_tx
)"

Definition at line 140 of file TxDriverRP2040.h.

is_frame_closed

bool pulsewire::TxProtocolRP2040::is_frame_closed = true

protected

Definition at line 106 of file TxDriverRP2040.h.

offset

uint32_t pulsewire::TxProtocolRP2040::offset = 0

protected

Definition at line 110 of file TxDriverRP2040.h.

output

Vector<OutputEdge> pulsewire::TxProtocolRP2040::output

protected

Definition at line 104 of file TxDriverRP2040.h.

pio

PIO pulsewire::TxProtocolRP2040::pio = PIO(0)

protected

Definition at line 108 of file TxDriverRP2040.h.

sm

uint8_t pulsewire::TxProtocolRP2040::sm = 0

protected

Definition at line 109 of file TxDriverRP2040.h.

sum

uint8_t pulsewire::TxProtocolRP2040::sum = 0

protected

Definition at line 105 of file TxDriverRP2040.h.

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

• src/sandbox/TxDriverRP2040.h