Class for handling detailed Hitachi 224-bit A/C messages. More...

#include <ir_Hitachi.h>

Collaboration diagram for IRHitachiAc:

Public Member Functions
	IRHitachiAc (const uint16_t pin, const bool inverted=false, const bool use_modulation=true)
	Class constructor. More...

void	stateReset (void)
	Reset the internal state to a fixed known good state. More...

void	send (const uint16_t repeat=kHitachiAcDefaultRepeat)
	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)
	Get the value of the current power setting. More...

void	setTemp (const uint8_t temp)
	Set the temperature. More...

uint8_t	getTemp (void)
	Get the current temperature setting. More...

void	setFan (const uint8_t speed)
	Set the speed of the fan. More...

uint8_t	getFan (void)
	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)
	Get the operating mode setting of the A/C. More...

void	setSwingVertical (const bool on)
	Set the Vertical Swing setting of the A/C. More...

bool	getSwingVertical (void)
	Get the Vertical Swing setting of the A/C. More...

void	setSwingHorizontal (const bool on)
	Set the Horizontal Swing setting of the A/C. More...

bool	getSwingHorizontal (void)
	Get the Horizontal Swing 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=kHitachiAcStateLength)
	Set the internal state from a valid code for this protocol. More...

uint8_t	convertMode (const stdAc::opmode_t mode)
	Convert a stdAc::opmode_t enum into its native mode. More...

uint8_t	convertFan (const stdAc::fanspeed_t speed)
	Convert a stdAc::fanspeed_t enum into it's native speed. More...

stdAc::state_t	toCommon (void)
	Convert the current internal state into its stdAc::state_t equivilant. More...

String	toString (void)
	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=kHitachiAcStateLength)
	Verify the checksum is valid for a given state. More...

static uint8_t	calcChecksum (const uint8_t state[], const uint16_t length=kHitachiAcStateLength)
	Calculate the checksum for a given state. More...

static stdAc::opmode_t	toCommonMode (const uint8_t mode)
	Convert a native mode into its stdAc equivilant. More...

static stdAc::fanspeed_t	toCommonFanSpeed (const uint8_t speed)
	Convert a native fan speed into its stdAc equivilant. More...

Private Member Functions
void	checksum (const uint16_t length=kHitachiAcStateLength)
	Calculate and set the checksum values for the internal state. More...

Private Attributes
IRsend	_irsend
	Instance of the IR send class. More...

uint8_t	remote_state [kHitachiAcStateLength]
	The state in native code. More...

uint8_t	_previoustemp

Detailed Description

Class for handling detailed Hitachi 224-bit A/C messages.

See also: https://github.com/ToniA/arduino-heatpumpir/blob/master/HitachiHeatpumpIR.cpp

Constructor & Destructor Documentation

◆ IRHitachiAc()

IRHitachiAc::IRHitachiAc	(	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 IRHitachiAc::begin ( void )

Set up hardware to be able to send a message.

◆ calcChecksum()

uint8_t IRHitachiAc::calcChecksum	(	const uint8_t	state[],
		const uint16_t	length = `kHitachiAcStateLength`
	)

static

Calculate the checksum for a given state.

Parameters

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

Returns: The calculated checksum value.

◆ calibrate()

int8_t IRHitachiAc::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 IRHitachiAc::checksum ( const uint16_t length = kHitachiAcStateLength )

private

Calculate and set the checksum values for the internal state.

Parameters

[in] length The size/length of the state.

◆ convertFan()

uint8_t IRHitachiAc::convertFan ( const stdAc::fanspeed_t speed )

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

Parameters

[in] speed The enum to be converted.

Returns: The native equivilant of the enum.

◆ convertMode()

uint8_t IRHitachiAc::convertMode ( const stdAc::opmode_t mode )

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

Parameters

[in] mode The enum to be converted.

Returns: The native equivilant of the enum.

◆ getFan()

uint8_t IRHitachiAc::getFan ( void )

Get the current fan speed setting.

Returns: The current fan speed.

◆ getMode()

uint8_t IRHitachiAc::getMode ( void )

Get the operating mode setting of the A/C.

Returns: The current operating mode setting.

◆ getPower()

bool IRHitachiAc::getPower ( void )

Get the value of the current power setting.

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

◆ getRaw()

uint8_t * IRHitachiAc::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.

◆ getSwingHorizontal()

bool IRHitachiAc::getSwingHorizontal ( void )

Get the Horizontal Swing setting of the A/C.

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

◆ getSwingVertical()

bool IRHitachiAc::getSwingVertical ( void )

Get the Vertical Swing setting of the A/C.

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

◆ getTemp()

uint8_t IRHitachiAc::getTemp ( void )

Get the current temperature setting.

Returns: The current setting for temp. in degrees celsius.

◆ off()

void IRHitachiAc::off ( void )

Change the power setting to Off.

◆ on()

void IRHitachiAc::on ( void )

Change the power setting to On.

◆ send()

void IRHitachiAc::send ( const uint16_t repeat = kHitachiAcDefaultRepeat )

Send the current internal state as an IR message.

Parameters

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

◆ setFan()

void IRHitachiAc::setFan ( const uint8_t speed )

Set the speed of the fan.

Parameters

[in] speed The desired setting.

◆ setMode()

void IRHitachiAc::setMode ( const uint8_t mode )

Set the operating mode of the A/C.

Parameters

[in] mode The desired operating mode.

◆ setPower()

void IRHitachiAc::setPower ( const bool on )

Change the power setting.

Parameters

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

◆ setRaw()

void IRHitachiAc::setRaw	(	const uint8_t	new_code[],
		const uint16_t	length = `kHitachiAcStateLength`
	)

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 of the new_code array.

◆ setSwingHorizontal()

void IRHitachiAc::setSwingHorizontal ( const bool on )

Set the Horizontal Swing setting of the A/C.

Parameters

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

◆ setSwingVertical()

void IRHitachiAc::setSwingVertical ( 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.

◆ setTemp()

void IRHitachiAc::setTemp ( const uint8_t celsius )

Set the temperature.

Parameters

[in] celsius The temperature in degrees celsius.

◆ stateReset()

void IRHitachiAc::stateReset ( void )

Reset the internal state to a fixed known good state.

◆ toCommon()

stdAc::state_t IRHitachiAc::toCommon ( void )

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

Returns: The stdAc equivilant of the native settings.

◆ toCommonFanSpeed()

stdAc::fanspeed_t IRHitachiAc::toCommonFanSpeed ( const uint8_t speed )

static

Convert a native fan speed into its stdAc equivilant.

Parameters

[in] speed The native setting to be converted.

Returns: The stdAc equivilant of the native setting.

◆ toCommonMode()

stdAc::opmode_t IRHitachiAc::toCommonMode ( const uint8_t mode )

static

Convert a native mode into its stdAc equivilant.

Parameters

[in] mode The native setting to be converted.

Returns: The stdAc equivilant of the native setting.

◆ toString()

String IRHitachiAc::toString ( void )

Convert the current internal state into a human readable string.

Returns: A human readable string.

◆ validChecksum()

bool IRHitachiAc::validChecksum	(	const uint8_t	state[],
		const uint16_t	length = `kHitachiAcStateLength`
	)

static

Verify the checksum is valid for a given state.

Parameters

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

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

Member Data Documentation

◆ _irsend

IRsend IRHitachiAc::_irsend

private

Instance of the IR send class.

◆ _previoustemp

uint8_t IRHitachiAc::_previoustemp

private

◆ remote_state

uint8_t IRHitachiAc::remote_state[kHitachiAcStateLength]

private

The state in native code.

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

src/ir_Hitachi.h
src/ir_Hitachi.cpp

Public Member Functions

Static Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ IRHitachiAc()

Member Function Documentation

◆ begin()

◆ calcChecksum()

◆ calibrate()

◆ checksum()

◆ convertFan()

◆ convertMode()

◆ getFan()

◆ getMode()

◆ getPower()

◆ getRaw()

◆ getSwingHorizontal()

◆ getSwingVertical()

◆ getTemp()

◆ off()

◆ on()

◆ send()

◆ setFan()

◆ setMode()

◆ setPower()

◆ setRaw()

◆ setSwingHorizontal()

◆ setSwingVertical()

◆ setTemp()

◆ stateReset()

◆ toCommon()

◆ toCommonFanSpeed()

◆ toCommonMode()

◆ toString()

◆ validChecksum()

Member Data Documentation

◆ _irsend

◆ _previoustemp

◆ remote_state