# IRremoteESP8266: IRSamsungAc Class Reference

IRSamsungAc Class Reference

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

`#include <ir_Samsung.h>`

Collaboration diagram for IRSamsungAc:
[legend]

## Public Member Functions

| IRSamsungAc (const uint16_t pin, const bool inverted=false, const bool use_modulation=true)
| Class constructor. More...
void | stateReset (const bool forcepower=true, const bool initialPower=true)
| Reset the internal state of the emulation. More...
void | send (const uint16_t repeat=kSamsungAcDefaultRepeat, const bool calcchecksum=true)
| Send the current internal state as an IR message. More...
void | sendExtended (const uint16_t repeat=kSamsungAcDefaultRepeat, const bool calcchecksum=true)
| Send the extended current internal state as an IR message. More...
void | sendOn (const uint16_t repeat=kSamsungAcDefaultRepeat)
| Send the special extended "On" message as the library can't seem to reproduce this message automatically. More...
void | sendOff (const uint16_t repeat=kSamsungAcDefaultRepeat)
| Send the special extended "Off" message as the library can't seem to reproduce this message automatically. 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)
| Set the requested power state of the A/C to on. More...
void | off (void)
| Set the requested power state of the A/C 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 temp)
| 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...
void | setSwing (const bool on)
| Set the vertical swing setting of the A/C. More...
bool | getSwing (void) const
| Get the vertical swing setting of the A/C. More...
void | setBeep (const bool on)
| Set the Beep setting of the A/C. More...
bool | getBeep (void) const
| Get the Beep setting of the A/C. More...
void | setClean (const bool on)
| Set the Clean setting of the A/C. More...
bool | getClean (void) const
| Get the Clean setting of the A/C. More...
void | setQuiet (const bool on)
| Set the Quiet setting of the A/C. More...
bool | getQuiet (void) const
| Get the Quiet setting of the A/C. More...
void | setPowerful (const bool on)
| Set the Powerful (Turbo) setting of the A/C. More...
bool | getPowerful (void) const
| Get the Powerful (Turbo) setting of the A/C. More...
void | setBreeze (const bool on)
| Closes the vanes over the fan outlet, to stop direct wind. Aka. WindFree. More...
bool | getBreeze (void) const
| Are the vanes closed over the fan outlet, to stop direct wind? Aka. WindFree. More...
void | setDisplay (const bool on)
| Set the Display (Light/LED) setting of the A/C. More...
bool | getDisplay (void) const
| Get the Display (Light/LED) setting of the A/C. More...
void | setIon (const bool on)
| Set the Ion (Filter) setting of the A/C. More...
bool | getIon (void) const
| Get the Ion (Filter) setting of the A/C. More...
uint8_t * | getRaw (void)
| Get a PTR to the internal state/code for this protocol. More...
void | setRaw (const uint8_t new_code[], const uint16_t length=kSamsungAcStateLength)
| 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...

## Static Public Member Functions

static bool | validChecksum (const uint8_t state[], const uint16_t length=kSamsungAcStateLength)
| Verify the checksum is valid for a given state. More...
static uint8_t | calcChecksum (const uint8_t state[], const uint16_t length=kSamsungAcStateLength)
| Calculate the checksum 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 uint8_t | convertFan (const stdAc::fanspeed_t speed)
| Convert a stdAc::fanspeed_t enum into it's native speed. 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...

## Private Member Functions

void | checksum (const uint16_t length=kSamsungAcStateLength)
| Update the checksum for the internal state. More...

## Private Attributes

IRsend | _irsend
| Instance of the IR send class. More...
SamsungProtocol | _
bool | _forcepower
| Hack to know when we need to send a special power mesg. More...
bool | _lastsentpowerstate

## Detailed Description

Class for handling detailed Samsung A/C messages.

## Constructor & Destructor Documentation

## IRSamsungAc()

IRSamsungAc::IRSamsungAc | ( | 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

## begin()

void IRSamsungAc::begin | ( | void |  | ) |

Set up hardware to be able to send a message.

## calcChecksum()

uint8_t IRSamsungAc::calcChecksum | ( | const uint8_t | state[],
|  | const uint16_t | length = `kSamsungAcStateLength`
| ) |  |

static

Calculate the checksum for a given state.

Parameters

  [in] | state | The array to calc the checksum of.
  [in] | length | The length/size of the array.

Returns
  The calculated checksum value.

## calibrate()

int8_t IRSamsungAc::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 IRSamsungAc::checksum | ( | const uint16_t | length = `kSamsungAcStateLength` | ) |

private

Update the checksum for the internal state.

Parameters

  [in] | length | The length/size of the internal array to checksum.

## convertFan()

uint8_t IRSamsungAc::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 IRSamsungAc::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.

## getBeep()

bool IRSamsungAc::getBeep | ( | void |  | ) | const

Get the Beep setting of the A/C.

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

## getBreeze()

bool IRSamsungAc::getBreeze | ( | void |  | ) | const

Are the vanes closed over the fan outlet, to stop direct wind? Aka. WindFree.

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

See also
  https://github.com/crankyoldgit/IRremoteESP8266/issues/1062

## getClean()

bool IRSamsungAc::getClean | ( | void |  | ) | const

Get the Clean setting of the A/C.

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

## getDisplay()

bool IRSamsungAc::getDisplay | ( | void |  | ) | const

Get the Display (Light/LED) setting of the A/C.

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

## getFan()

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

Get the current fan speed setting.

Returns
  The current fan speed/mode.

## getIon()

bool IRSamsungAc::getIon | ( | void |  | ) | const

Get the Ion (Filter) setting of the A/C.

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

## getMode()

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

Get the operating mode setting of the A/C.

Returns
  The current operating mode setting.

## getPower()

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

Get the value of the current power setting.

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

## getPowerful()

bool IRSamsungAc::getPowerful | ( | void |  | ) | const

Get the Powerful (Turbo) setting of the A/C.

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

## getQuiet()

bool IRSamsungAc::getQuiet | ( | void |  | ) | const

Get the Quiet setting of the A/C.

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

## getRaw()

uint8_t * IRSamsungAc::getRaw | ( | void |  | ) |

Get a PTR to the internal state/code for this protocol.

Returns
  PTR to a code for this protocol based on the current internal state.

## getSwing()

bool IRSamsungAc::getSwing | ( | void |  | ) | const

Get the vertical swing setting of the A/C.

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

Todo:
  (Hollako) Explain why sometimes the LSB of remote_state[9] is a 1. e.g. 0xAE or 0XAF for swing move.

## getTemp()

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

Get the current temperature setting.

Returns
  The current setting for temp. in degrees celsius.

## off()

void IRSamsungAc::off | ( | void |  | ) |

Set the requested power state of the A/C to off.

## on()

void IRSamsungAc::on | ( | void |  | ) |

Set the requested power state of the A/C to on.

## send()

void IRSamsungAc::send | ( | const uint16_t | repeat = `kSamsungAcDefaultRepeat`,
|  | const bool | calcchecksum = `true`
| ) |  |

Send the current internal state as an IR message.

Parameters

  [in] | repeat | Nr. of times the message will be repeated.
  [in] | calcchecksum | Do we update the checksum before sending?

Note
  Use for most function/mode/settings changes to the unit. i.e. When the device is already running.

## sendExtended()

void IRSamsungAc::sendExtended | ( | const uint16_t | repeat = `kSamsungAcDefaultRepeat`,
|  | const bool | calcchecksum = `true`
| ) |  |

Send the extended current internal state as an IR message.

Parameters

  [in] | repeat | Nr. of times the message will be repeated.
  [in] | calcchecksum | Do we update the checksum before sending?

Note
  Use this for when you need to power on/off the device. Samsung A/C requires an extended length message when you want to change the power operating mode of the A/C unit.

## sendOff()

void IRSamsungAc::sendOff | ( | const uint16_t | repeat = `kSamsungAcDefaultRepeat` | ) |

Send the special extended "Off" message as the library can't seem to reproduce this message automatically.

Parameters

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

See also
  https://github.com/crankyoldgit/IRremoteESP8266/issues/604#issuecomment-475020036

## sendOn()

void IRSamsungAc::sendOn | ( | const uint16_t | repeat = `kSamsungAcDefaultRepeat` | ) |

Send the special extended "On" message as the library can't seem to reproduce this message automatically.

Parameters

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

See also
  https://github.com/crankyoldgit/IRremoteESP8266/issues/604#issuecomment-475020036

## setBeep()

void IRSamsungAc::setBeep | ( | const bool | on | ) |

Set the Beep setting of the A/C.

Parameters

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

## setBreeze()

void IRSamsungAc::setBreeze | ( | const bool | on | ) |

Closes the vanes over the fan outlet, to stop direct wind. Aka. WindFree.

Parameters

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

See also
  https://github.com/crankyoldgit/IRremoteESP8266/issues/1062

## setClean()

void IRSamsungAc::setClean | ( | const bool | on | ) |

Set the Clean setting of the A/C.

Parameters

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

## setDisplay()

void IRSamsungAc::setDisplay | ( | const bool | on | ) |

Set the Display (Light/LED) setting of the A/C.

Parameters

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

## setFan()

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

Set the speed of the fan.

Parameters

  [in] | speed | The desired setting.

## setIon()

void IRSamsungAc::setIon | ( | const bool | on | ) |

Set the Ion (Filter) setting of the A/C.

Parameters

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

## setMode()

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

Set the operating mode of the A/C.

Parameters

  [in] | mode | The desired operating mode.

## setPower()

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

Change the power setting.

Parameters

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

## setPowerful()

void IRSamsungAc::setPowerful | ( | const bool | on | ) |

Set the Powerful (Turbo) setting of the A/C.

Parameters

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

## setQuiet()

void IRSamsungAc::setQuiet | ( | const bool | on | ) |

Set the Quiet setting of the A/C.

Parameters

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

## setRaw()

void IRSamsungAc::setRaw | ( | const uint8_t | new_code[],
|  | const uint16_t | length = `kSamsungAcStateLength`
| ) |  |

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

Parameters

  [in] | new_code | A valid code for this protocol.
  [in] | length | The length/size of the new_code array.

## setSwing()

void IRSamsungAc::setSwing | ( | const bool | on | ) |

Set the vertical swing setting of the A/C.

Parameters

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

Todo:
  (Hollako) Explain why sometimes the LSB of remote_state[9] is a 1. e.g. 0xAE or 0XAF for swing move.

## setTemp()

void IRSamsungAc::setTemp | ( | const uint8_t | temp | ) |

Set the temperature.

Parameters

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

## stateReset()

void IRSamsungAc::stateReset | ( | const bool | forcepower = `true`,
|  | const bool | initialPower = `true`
| ) |  |

Reset the internal state of the emulation.

Parameters

  [in] | forcepower | A flag indicating if force sending a special power message with the first `send()` call.
  [in] | initialPower | Set the initial power state. True, on. False, off.

## toCommon()

stdAc::state_t IRSamsungAc::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 IRSamsungAc::toCommonFanSpeed | ( | const uint8_t | spd | ) |

static

Convert a native fan speed into its stdAc equivalent.

Parameters

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

Returns
  The stdAc equivalent of the native setting.

## toCommonMode()

stdAc::opmode_t IRSamsungAc::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 IRSamsungAc::toString | ( | void |  | ) | const

Convert the current internal state into a human readable string.

Returns
  A human readable string.

## validChecksum()

bool IRSamsungAc::validChecksum | ( | const uint8_t | state[],
|  | const uint16_t | length = `kSamsungAcStateLength`
| ) |  |

static

Verify the checksum is valid for a given state.

Parameters

  [in] | state | The array to verify the checksum of.
  [in] | length | The length/size of the array.

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

## Member Data Documentation

## _

SamsungProtocol IRSamsungAc::_

private

## _forcepower

bool IRSamsungAc::_forcepower

private

Hack to know when we need to send a special power mesg.

## _irsend

IRsend IRSamsungAc::_irsend

private

Instance of the IR send class.

## _lastsentpowerstate

bool IRSamsungAc::_lastsentpowerstate

private

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

- src/ir_Samsung.h
- src/ir_Samsung.cpp