Namespaces
	irutils
	Namespace for covering common functions & procedures for advancd protocol handlers.

Functions
uint64_t	reverseBits (uint64_t input, uint16_t nbits)
	Reverse the order of the requested least significant nr. of bits. More...

String	uint64ToString (uint64_t input, uint8_t base=10)
	Convert a uint64_t (unsigned long long) to a string. Arduino String/toInt/Serial.print() can't handle printing 64 bit values. More...

String	typeToString (const decode_type_t protocol, const bool isRepeat=false)
	Convert a protocol type (enum etc) to a human readable string. More...

void	serialPrintUint64 (uint64_t input, uint8_t base=10)
	Print a uint64_t/unsigned long long to the Serial port Serial.print() can't handle printing long longs. (uint64_t) More...

String	resultToSourceCode (const decode_results *const results)
	Return a String containing the key values of a decode_results structure in a C/C++ code style format. More...

String	resultToTimingInfo (const decode_results *const results)
	Dump out the decode_results structure. More...

String	resultToHumanReadableBasic (const decode_results *const results)
	Dump out the decode_results structure into a human readable format. More...

String	resultToHexidecimal (const decode_results *const result)
	Convert the decode_results structure's value/state to simple hexadecimal. More...

bool	hasACState (const decode_type_t protocol)
	Does the given protocol use a complex state as part of the decode? More...

uint16_t	getCorrectedRawLength (const decode_results *const results)
	Return the corrected length of a 'raw' format array structure after over-large values are converted into multiple entries. More...

uint16_t *	resultToRawArray (const decode_results *const decode)
	Convert a decode_results into an array suitable for `sendRaw()`. More...

uint8_t	sumBytes (const uint8_t *const start, const uint16_t length, const uint8_t init=0)
	Sum all the bytes of an array and return the least significant 8-bits of the result. More...

uint8_t	xorBytes (const uint8_t *const start, const uint16_t length, const uint8_t init=0)
	Calculate a rolling XOR of all the bytes of an array. More...

uint16_t	countBits (const uint8_t *const start, const uint16_t length, const bool ones=true, const uint16_t init=0)
	Count the number of bits of a certain type in an array. More...

uint16_t	countBits (const uint64_t data, const uint8_t length, const bool ones=true, const uint16_t init=0)
	Count the number of bits of a certain type in an Integer. More...

uint64_t	invertBits (const uint64_t data, const uint16_t nbits)
	Invert/Flip the bits in an Integer. More...

decode_type_t	strToDecodeType (const char *str)
	Convert a C-style string to a decode_type_t. More...

float	celsiusToFahrenheit (const float deg)
	Convert degrees Celsius to degrees Fahrenheit. More...

float	fahrenheitToCelsius (const float deg)
	Convert degrees Fahrenheit to degrees Celsius. More...

String	irutils::addBoolToString (const bool value, const String label, const bool precomma)
	Create a String with a colon separated flag suitable for Humans. e.g. "Power: On". More...

String	irutils::addIntToString (const uint16_t value, const String label, const bool precomma)
	Create a String with a colon separated labeled Integer suitable for Humans. e.g. "Foo: 23". More...

String	irutils::modelToStr (const decode_type_t protocol, const int16_t model)
	Generate the model string for a given Protocol/Model pair. More...

String	irutils::addModelToString (const decode_type_t protocol, const int16_t model, const bool precomma)
	Create a String of human output for a given protocol model number. e.g. "Model: JKE". More...

String	irutils::addLabeledString (const String value, const String label, const bool precomma)
	Create a String with a colon separated "label: value" pair suitable for Humans. More...

String	irutils::addTempToString (const uint16_t degrees, const bool celsius, const bool precomma)
	Create a String of human output for a given temperature. e.g. "Temp: 25C". More...

String	irutils::addModeToString (const uint8_t mode, const uint8_t automatic, const uint8_t cool, const uint8_t heat, const uint8_t dry, const uint8_t fan)
	Create a String of human output for the given operating mode. e.g. "Mode: 1 (Cool)". More...

String	irutils::addFanToString (const uint8_t speed, const uint8_t high, const uint8_t low, const uint8_t automatic, const uint8_t quiet, const uint8_t medium)
	Create a String of human output for the given fan speed. e.g. "Fan: 0 (Auto)". More...

String	irutils::addDayToString (const uint8_t day_of_week, const int8_t offset, const bool precomma)
	Create a String of the 3-letter day of the week from a numerical day of the week. e.g. "Day: 1 (Mon)". More...

String	irutils::htmlEscape (const String unescaped)
	Escape any special HTML (unsafe) characters in a string. e.g. anti-XSS. More...

String	irutils::msToString (uint32_t const msecs)
	Convert a nr. of milliSeconds into a Human-readable string. e.g. "1 Day 6 Hours 34 Minutes 17 Seconds". More...

String	irutils::minsToString (const uint16_t mins)
	Convert a nr. of minutes into a 24h clock format Human-readable string. e.g. "23:59". More...

uint8_t	irutils::sumNibbles (const uint8_t *const start, const uint16_t length, const uint8_t init)
	Sum all the nibbles together in a series of bytes. More...

uint8_t	irutils::sumNibbles (const uint64_t data, const uint8_t count, const uint8_t init, const bool nibbleonly)
	Sum all the nibbles together in an integer. More...

uint8_t	irutils::bcdToUint8 (const uint8_t bcd)
	Convert a byte of Binary Coded Decimal(BCD) into an Integer. More...

uint8_t	irutils::uint8ToBcd (const uint8_t integer)
	Convert an Integer into a byte of Binary Coded Decimal(BCD). More...

bool	irutils::getBit (const uint64_t data, const uint8_t position, const uint8_t size)
	Return the value of `position`th bit of an Integer. More...

bool	irutils::getBit (const uint8_t data, const uint8_t position)
	Return the value of `position`th bit of an Integer. More...

uint64_t	irutils::setBit (const uint64_t data, const uint8_t position, const bool on, const uint8_t size)
	Return the value of an Integer with the `position`th bit changed. More...

uint8_t	irutils::setBit (const uint8_t data, const uint8_t position, const bool on)
	Return the value of an Integer with the `position`th bit changed. More...

void	irutils::setBit (uint8_t *const data, const uint8_t position, const bool on)
	Alter the value of an Integer with the `position`th bit changed. More...

void	irutils::setBit (uint32_t *const data, const uint8_t position, const bool on)
	Alter the value of an Integer with the `position`th bit changed. More...

void	irutils::setBit (uint64_t *const data, const uint8_t position, const bool on)
	Alter the value of an Integer with the `position`th bit changed. More...

void	irutils::setBits (uint8_t *const dst, const uint8_t offset, const uint8_t nbits, const uint8_t data)
	Alter an uint8_t value by overwriting an arbitary given number of bits. More...

void	irutils::setBits (uint32_t *const dst, const uint8_t offset, const uint8_t nbits, const uint32_t data)
	Alter an uint32_t value by overwriting an arbitary given number of bits. More...

void	irutils::setBits (uint64_t *const dst, const uint8_t offset, const uint8_t nbits, const uint64_t data)
	Alter an uint64_t value by overwriting an arbitary given number of bits. More...

uint8_t *	irutils::invertBytePairs (uint8_t *ptr, const uint16_t length)
	Create byte pairs where the second byte of the pair is a bit inverted/flipped copy of the first/previous byte of the pair. More...

bool	irutils::checkInvertedBytePairs (const uint8_t *const ptr, const uint16_t length)
	Check an array to see if every second byte of a pair is a bit inverted/flipped copy of the first/previous byte of the pair. More...

uint8_t	irutils::lowLevelSanityCheck (void)
	Perform a low lovel bit manipulation sanity check for the given cpu architecture and the compiler operation. Calls to this should return 0 if everything is as expected, anything else means the library won't work as expected. More...

Variables
const uint8_t	kNibbleSize = 4

const uint8_t	kLowNibble = 0

const uint8_t	kHighNibble = 4

const uint8_t	kModeBitsSize = 3

Function Documentation

◆ celsiusToFahrenheit()

float celsiusToFahrenheit ( const float deg )

Convert degrees Celsius to degrees Fahrenheit.

◆ countBits() [1/2]

uint16_t countBits	(	const uint64_t	data,
		const uint8_t	length,
		const bool	ones,
		const uint16_t	init
	)

Count the number of bits of a certain type in an Integer.

Parameters

[in]	data	The value you want bits counted for. Starting from the LSB.
[in]	length	How many bits to use in the calculation? Starts at the LSB
[in]	ones	Count the binary nr of `1` bits. False is count the `0`s.
[in]	init	Starting value of the calculation to use. (Default is 0)

Returns: The nr. of bits found of the given type found in the Integer.

◆ countBits() [2/2]

uint16_t countBits	(	const uint8_t *const	start,
		const uint16_t	length,
		const bool	ones,
		const uint16_t	init
	)

Count the number of bits of a certain type in an array.

Parameters

[in]	start	A ptr to the start of the byte array to calculate over.
[in]	length	How many bytes to use in the calculation.
[in]	ones	Count the binary nr of `1` bits. False is count the `0`s.
[in]	init	Starting value of the calculation to use. (Default is 0)

Returns: The nr. of bits found of the given type found in the array.

◆ fahrenheitToCelsius()

float fahrenheitToCelsius ( const float deg )

Convert degrees Fahrenheit to degrees Celsius.

◆ getCorrectedRawLength()

uint16_t getCorrectedRawLength ( const decode_results *const results )

Return the corrected length of a 'raw' format array structure after over-large values are converted into multiple entries.

Parameters

[in] results A ptr to a decode_results structure.

Returns: The corrected length.

◆ hasACState()

bool hasACState ( const decode_type_t protocol )

Does the given protocol use a complex state as part of the decode?

Parameters

[in] protocol The decode_type_t protocol we are enquiring about.

Returns: True if the protocol uses a state array. False if just an integer.

◆ invertBits()

uint64_t invertBits	(	const uint64_t	data,
		const uint16_t	nbits
	)

Invert/Flip the bits in an Integer.

Parameters

[in]	data	The Integer that will be inverted.
[in]	nbits	How many bits are to be inverted. Starting from the LSB.

Returns: An Integer with the appropriate bits inverted/flipped.

◆ resultToHexidecimal()

String resultToHexidecimal ( const decode_results *const result )

Convert the decode_results structure's value/state to simple hexadecimal.

Parameters

[in] result A ptr to a decode_results structure.

Returns: A String containing the output.

◆ resultToHumanReadableBasic()

String resultToHumanReadableBasic ( const decode_results *const results )

Dump out the decode_results structure into a human readable format.

Parameters

[in] results A ptr to a decode_results structure.

Returns: A String containing the output.

◆ resultToRawArray()

uint16_t* resultToRawArray ( const decode_results *const decode )

Convert a decode_results into an array suitable for sendRaw().

Parameters

[in] decode A ptr to a decode_results structure that contains a mesg.

Returns: A PTR to a dynamically allocated uint16_t sendRaw compatible array.

Note: The returned array needs to be delete[]'ed/free()'ed (deallocated) after use by caller.

◆ resultToSourceCode()

String resultToSourceCode ( const decode_results *const results )

Return a String containing the key values of a decode_results structure in a C/C++ code style format.

Parameters

[in] results A ptr to a decode_results structure.

Returns: A String containing the code-ified result.

◆ resultToTimingInfo()

String resultToTimingInfo ( const decode_results *const results )

Dump out the decode_results structure.

Parameters

[in] results A ptr to a decode_results structure.

Returns: A String containing the legacy information format.

Deprecated:: This is only for those that want this legacy format.

◆ reverseBits()

uint64_t reverseBits	(	uint64_t	input,
		uint16_t	nbits
	)

Reverse the order of the requested least significant nr. of bits.

Parameters

[in]	input	Bit pattern/integer to reverse.
[in]	nbits	Nr. of bits to reverse. (LSB -> MSB)

Returns: The reversed bit pattern.

◆ serialPrintUint64()

void serialPrintUint64	(	uint64_t	input,
		uint8_t	base
	)

Print a uint64_t/unsigned long long to the Serial port Serial.print() can't handle printing long longs. (uint64_t)

Parameters

[in]	input	The value to print
[in]	base	The output base.

◆ strToDecodeType()

decode_type_t strToDecodeType ( const char *const str )

Convert a C-style string to a decode_type_t.

Parameters

[in] str A C-style string containing a protocol name or number.

Returns: A decode_type_t enum. (decode_type_t::UNKNOWN if no match.)

◆ sumBytes()

uint8_t sumBytes	(	const uint8_t *const	start,
		const uint16_t	length,
		const uint8_t	init
	)

Sum all the bytes of an array and return the least significant 8-bits of the result.

Parameters

[in]	start	A ptr to the start of the byte array to calculate over.
[in]	length	How many bytes to use in the calculation.
[in]	init	Starting value of the calculation to use. (Default is 0)

Returns: The 8-bit calculated result of all the bytes and init value.

◆ typeToString()

String typeToString	(	const decode_type_t	protocol,
		const bool	isRepeat
	)

Convert a protocol type (enum etc) to a human readable string.

Parameters

[in]	protocol	Nr. (enum) of the protocol.
[in]	isRepeat	A flag indicating if it is a repeat message.

Returns: A String containing the protocol name. kUnknownStr if no match.

◆ uint64ToString()

String uint64ToString	(	uint64_t	input,
		uint8_t	base
	)

Convert a uint64_t (unsigned long long) to a string. Arduino String/toInt/Serial.print() can't handle printing 64 bit values.

Parameters

[in]	input	The value to print
[in]	base	The output base.

Returns: A String representation of the integer.

Note: Based on Arduino's Print::printNumber()

◆ xorBytes()

uint8_t xorBytes	(	const uint8_t *const	start,
		const uint16_t	length,
		const uint8_t	init
	)

Calculate a rolling XOR of all the bytes of an array.

Parameters

[in]	start	A ptr to the start of the byte array to calculate over.
[in]	length	How many bytes to use in the calculation.
[in]	init	Starting value of the calculation to use. (Default is 0)

Returns: The 8-bit calculated result of all the bytes and init value.

Variable Documentation

◆ kHighNibble

const uint8_t kHighNibble = 4

◆ kLowNibble

const uint8_t kLowNibble = 0

◆ kModeBitsSize

const uint8_t kModeBitsSize = 3

◆ kNibbleSize

const uint8_t kNibbleSize = 4

Namespaces

Functions

Variables

Function Documentation

◆ celsiusToFahrenheit()

◆ countBits() [1/2]

◆ countBits() [2/2]

◆ fahrenheitToCelsius()

◆ getCorrectedRawLength()

◆ hasACState()

◆ invertBits()

◆ resultToHexidecimal()

◆ resultToHumanReadableBasic()

◆ resultToRawArray()

◆ resultToSourceCode()

◆ resultToTimingInfo()

◆ reverseBits()

◆ serialPrintUint64()

◆ strToDecodeType()

◆ sumBytes()

◆ typeToString()

◆ uint64ToString()

◆ xorBytes()

Variable Documentation

◆ kHighNibble

◆ kLowNibble

◆ kModeBitsSize

◆ kNibbleSize