# IRremoteESP8266: IRLgAc Class Reference

IRLgAc Class Reference

Class for handling detailed LG A/C messages. More...

`#include <ir_LG.h>`

Collaboration diagram for IRLgAc:
[legend]

## Public Member Functions

| IRLgAc (const uint16_t pin, const bool inverted=false, const bool use_modulation=true)
| Class constructor. More...
void | stateReset (void)
| Reset the internals of the object to a known good state. More...
bool | isValidLgAc (void) const
| Check if the internal state looks like a valid LG A/C message. More...
void | send (const uint16_t repeat=kLgDefaultRepeat)
| Send the current internal state as an IR message. More...
int8_t | calibrate (void)
| Run the calibration to calculate uSec timing offsets for this platform. More...
void | begin (void)
| Set up hardware to be able to send a message. More...
void | on (void)
| Change the power setting to On. More...
void | off (void)
| Change the power setting to Off. More...
void | setPower (const bool on)
| Change the power setting. More...
bool | getPower (void) const
| Get the value of the current power setting. More...
void | setTemp (const uint8_t degrees)
| Set the temperature. More...
uint8_t | getTemp (void) const
| Get the current temperature setting. More...
void | setFan (const uint8_t speed)
| Set the speed of the fan. More...
uint8_t | getFan (void) const
| Get the current fan speed setting. More...
void | setMode (const uint8_t mode)
| Set the operating mode of the A/C. More...
uint8_t | getMode (void) const
| Get the operating mode setting of the A/C. More...
uint32_t | getRaw (void)
| Get a copy of the internal state/code for this protocol. More...
void | setRaw (const uint32_t new_code)
| Set the internal state from a valid code for this protocol. More...
stdAc::state_t | toCommon (void) const
| Convert the current internal state into its stdAc::state_t equivalent. More...
String | toString (void) const
| Convert the current internal state into a human readable string. More...
void | setModel (const lg_ac_remote_model_t model)
| Set the model of the A/C to emulate. More...
lg_ac_remote_model_t | getModel (void) const
| Get the model of the A/C. More...

## Static Public Member Functions

static uint8_t | calcChecksum (const uint32_t state)
| Calculate the checksum for a given state. More...
static bool | validChecksum (const uint32_t state)
| Verify the checksum is valid for a given state. More...
static uint8_t | convertMode (const stdAc::opmode_t mode)
| Convert a stdAc::opmode_t enum into its native mode. More...
static stdAc::opmode_t | toCommonMode (const uint8_t mode)
| Convert a native mode into its stdAc equivalent. More...
static stdAc::fanspeed_t | toCommonFanSpeed (const uint8_t speed)
| Convert a native fan speed into its stdAc equivalent. More...
static uint8_t | convertFan (const stdAc::fanspeed_t speed)
| Convert a stdAc::fanspeed_t enum into it's native speed. More...

## Private Member Functions

void | checksum (void)
| Calculate and set the checksum values for the internal state. More...
void | _setTemp (const uint8_t value)
| Set the temperature. More...

## Private Attributes

IRsend | _irsend
| Instance of the IR send class. More...
LGProtocol | _
uint8_t | _temp
decode_type_t | _protocol
| model More...

## Detailed Description

Class for handling detailed LG A/C messages.

## Constructor & Destructor Documentation

## IRLgAc()

IRLgAc::IRLgAc | ( | const uint16_t | pin,
|  | const bool | inverted = `false`,
|  | const bool | use_modulation = `true`
| ) |  |

explicit

Class constructor.

Parameters

  [in] | pin | GPIO to be used when sending.
  [in] | inverted | Is the output signal to be inverted?
  [in] | use_modulation | Is frequency modulation to be used?

## Member Function Documentation

## _setTemp()

void IRLgAc::_setTemp | ( | const uint8_t | value | ) |

inlineprivate

Set the temperature.

Parameters

  [in] | value | The native temperature.

Note
  Internal use only.

## begin()

void IRLgAc::begin | ( | void |  | ) |

Set up hardware to be able to send a message.

## calcChecksum()

uint8_t IRLgAc::calcChecksum | ( | const uint32_t | state | ) |

static

Calculate the checksum for a given state.

Parameters

  [in] | state | The value to calc the checksum of.

Returns
  The calculated checksum value.

## calibrate()

int8_t IRLgAc::calibrate | ( | void |  | ) |

inline

Run the calibration to calculate uSec timing offsets for this platform.

Returns
  The uSec timing offset needed per modulation of the IR Led.

Note
  This will produce a 65ms IR signal pulse at 38kHz. Only ever needs to be run once per object instantiation, if at all.

## checksum()

void IRLgAc::checksum | ( | void |  | ) |

private

Calculate and set the checksum values for the internal state.

## convertFan()

uint8_t IRLgAc::convertFan | ( | const stdAc::fanspeed_t | speed | ) |

static

Convert a stdAc::fanspeed_t enum into it's native speed.

Parameters

  [in] | speed | The enum to be converted.

Returns
  The native equivalent of the enum.

## convertMode()

uint8_t IRLgAc::convertMode | ( | const stdAc::opmode_t | mode | ) |

static

Convert a stdAc::opmode_t enum into its native mode.

Parameters

  [in] | mode | The enum to be converted.

Returns
  The native equivalent of the enum.

## getFan()

uint8_t IRLgAc::getFan | ( | void |  | ) | const

Get the current fan speed setting.

Returns
  The current fan speed.

## getMode()

uint8_t IRLgAc::getMode | ( | void |  | ) | const

Get the operating mode setting of the A/C.

Returns
  The current operating mode setting.

## getModel()

lg_ac_remote_model_t IRLgAc::getModel | ( | void |  | ) | const

Get the model of the A/C.

Returns
  The enum of the compatible model.

## getPower()

bool IRLgAc::getPower | ( | void |  | ) | const

Get the value of the current power setting.

Returns
  true, the setting is on. false, the setting is off.

## getRaw()

uint32_t IRLgAc::getRaw | ( | void |  | ) |

Get a copy of the internal state/code for this protocol.

Returns
  The code for this protocol based on the current internal state.

## getTemp()

uint8_t IRLgAc::getTemp | ( | void |  | ) | const

Get the current temperature setting.

Returns
  The current setting for temp. in degrees celsius.

## isValidLgAc()

bool IRLgAc::isValidLgAc | ( | void |  | ) | const

Check if the internal state looks like a valid LG A/C message.

Returns
  true, the internal state is a valid LG A/C mesg. Otherwise, false.

## off()

void IRLgAc::off | ( | void |  | ) |

Change the power setting to Off.

## on()

void IRLgAc::on | ( | void |  | ) |

Change the power setting to On.

## send()

void IRLgAc::send | ( | const uint16_t | repeat = `kLgDefaultRepeat` | ) |

Send the current internal state as an IR message.

Parameters

  [in] | repeat | Nr. of times the message will be repeated.

## setFan()

void IRLgAc::setFan | ( | const uint8_t | speed | ) |

Set the speed of the fan.

Parameters

  [in] | speed | The desired setting.

## setMode()

void IRLgAc::setMode | ( | const uint8_t | mode | ) |

Set the operating mode of the A/C.

Parameters

  [in] | mode | The desired operating mode.

## setModel()

void IRLgAc::setModel | ( | const lg_ac_remote_model_t | model | ) |

Set the model of the A/C to emulate.

Parameters

  [in] | model | The enum of the appropriate model.

## setPower()

void IRLgAc::setPower | ( | const bool | on | ) |

Change the power setting.

Parameters

  [in] | on | true, the setting is on. false, the setting is off.

## setRaw()

void IRLgAc::setRaw | ( | const uint32_t | new_code | ) |

Set the internal state from a valid code for this protocol.

Parameters

  [in] | new_code | A valid code for this protocol.

## setTemp()

void IRLgAc::setTemp | ( | const uint8_t | degrees | ) |

Set the temperature.

Parameters

  [in] | degrees | The temperature in degrees celsius.

## stateReset()

void IRLgAc::stateReset | ( | void |  | ) |

Reset the internals of the object to a known good state.

## toCommon()

stdAc::state_t IRLgAc::toCommon | ( | void |  | ) | const

Convert the current internal state into its stdAc::state_t equivalent.

Returns
  The stdAc equivalent of the native settings.

## toCommonFanSpeed()

stdAc::fanspeed_t IRLgAc::toCommonFanSpeed | ( | const uint8_t | speed | ) |

static

Convert a native fan speed into its stdAc equivalent.

Parameters

  [in] | speed | The native setting to be converted.

Returns
  The stdAc equivalent of the native setting.

## toCommonMode()

stdAc::opmode_t IRLgAc::toCommonMode | ( | const uint8_t | mode | ) |

static

Convert a native mode into its stdAc equivalent.

Parameters

  [in] | mode | The native setting to be converted.

Returns
  The stdAc equivalent of the native setting.

## toString()

String IRLgAc::toString | ( | void |  | ) | const

Convert the current internal state into a human readable string.

Returns
  A human readable string.

## validChecksum()

bool IRLgAc::validChecksum | ( | const uint32_t | state | ) |

static

Verify the checksum is valid for a given state.

Parameters

  [in] | state | The value to verify the checksum of.

Returns
  true, if the state has a valid checksum. Otherwise, false.

## Member Data Documentation

## _

LGProtocol IRLgAc::_

private

## _irsend

IRsend IRLgAc::_irsend

private

Instance of the IR send class.

## _protocol

decode_type_t IRLgAc::_protocol

private

model

## _temp

uint8_t IRLgAc::_temp

private

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

- src/ir_LG.h
- src/ir_LG.cpp