IRremoteESP8266

Namespaces | Functions | Variables
ir_Xmp.cpp File Reference

Support for XMP protocols. More...

## Namespaces
| IRXmpUtils

## Functions
uint8_t | IRXmpUtils::getSectionChecksum (const uint32_t data, const uint16_t nbits)
| Get the current checksum value from an XMP data section. More...
uint8_t | IRXmpUtils::calcSectionChecksum (const uint32_t data, const uint16_t nbits)
| Calculate the correct checksum value for an XMP data section. More...
uint64_t | IRXmpUtils::updateChecksums (const uint64_t data, const uint16_t nbits)
| Recalculate a XMP message code ensuring it has the checksums valid. More...
uint16_t | IRXmpUtils::calcRepeatOffset (const uint16_t nbits)
| Calculate the bit offset the repeat nibble in an XMP code. More...
bool | IRXmpUtils::isRepeat (const uint64_t data, const uint16_t nbits)
| Test if an XMP message code is a repeat or not. More...
uint64_t | IRXmpUtils::adjustRepeat (const uint64_t data, const uint16_t nbits, const uint8_t repeat_code)
| Adjust an XMP message code to make it a valid repeat or non-repeat code. More...

## Variables
const uint16_t | kXmpMark = 210
| uSeconds. More...
const uint16_t | kXmpBaseSpace = 760
| uSeconds More...
const uint16_t | kXmpSpaceStep = 135
| uSeconds More...
const uint16_t | kXmpFooterSpace = 13000
| uSeconds. More...
const uint32_t | kXmpMessageGap = 80400
| uSeconds. More...
const uint8_t | kXmpWordSize = kNibbleSize
| nr. of Bits in a word. More...
const uint8_t | kXmpMaxWordValue = (1 << kXmpWordSize) - 1
const uint8_t | kXmpSections = 2
| Nr. of Data sections. More...
const uint8_t | kXmpRepeatCode = 0b1000
const uint8_t | kXmpRepeatCodeAlt = 0b1001

## Detailed Description

Support for XMP protocols.

See also
  https://github.com/crankyoldgit/IRremoteESP8266/issues/1414
  http://www.hifi-remote.com/wiki/index.php/XMP

## Variable Documentation

## ◆ kXmpBaseSpace

const uint16_t kXmpBaseSpace = 760

uSeconds

## ◆ kXmpFooterSpace

const uint16_t kXmpFooterSpace = 13000

uSeconds.

## ◆ kXmpMark

const uint16_t kXmpMark = 210

uSeconds.

## ◆ kXmpMaxWordValue

const uint8_t kXmpMaxWordValue = (1 << kXmpWordSize) - 1

## ◆ kXmpMessageGap

const uint32_t kXmpMessageGap = 80400

uSeconds.

## ◆ kXmpRepeatCode

const uint8_t kXmpRepeatCode = 0b1000

## ◆ kXmpRepeatCodeAlt

const uint8_t kXmpRepeatCodeAlt = 0b1001

## ◆ kXmpSections

const uint8_t kXmpSections = 2

Nr. of Data sections.

## ◆ kXmpSpaceStep

const uint16_t kXmpSpaceStep = 135

uSeconds

## ◆ kXmpWordSize

const uint8_t kXmpWordSize = kNibbleSize

nr. of Bits in a word.