Nintendo Switch Brew

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Joy-Con (view source)

Revision as of 00:45, 25 July 2024

5,717 bytes added ,  25 July
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|}
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== HidMotorData ==
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{| class="wikitable" border="1"
 +
|-
 +
! Offset
 +
! Size
 +
! Description
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|-
 +
| 0x0 || 0x4 || [[#VibrationAmFmPackTag|JoyLeftVibrationAmFmPackTag]]
 +
|-
 +
| 0x4 || 0x8 || [[#VibrationAmFmPackTag|JoyRightVibrationAmFmPackTag]]
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|}
 +
 +
== VibrationAmFmPackTag ==
 +
This is "nn::xcd::VibrationAmFmPackTag". This is a BitPack object.
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 +
=== VibrationAmFmPackFormatZero ===
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{| class="wikitable" border="1"
 +
! Bits
 +
! Description
 +
|-
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| 0-29 || Reserved
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|-
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| 30-31 || PackFormat (must be 0)
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|}
 +
 +
=== VibrationAmFmPackFormatOne ===
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{| class="wikitable" border="1"
 +
! Bits
 +
! Description
 +
|-
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| 0-19 || Reserved
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|-
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| 20-24 || ChannelCodesHigh
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|-
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| 25-29 || ChannelCodesLow
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|-
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| 30-31 || PackFormat (must be 1)
 +
|}
 +
 +
=== VibrationAmFmPackFormatOne28bit ===
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{| class="wikitable" border="1"
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! Bits
 +
! Description
 +
|-
 +
| 0-1 || Reserved
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|-
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| 2-8 || ChannelFrequencyHigh
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|-
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| 9-15 || ChannelAmplitudeHigh
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|-
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| 16-22 || ChannelFrequencyLow
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|-
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| 23-29 || ChannelAmplitudeLow
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|-
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| 30-31 || PackFormat (must be 1)
 +
|}
 +
 +
=== VibrationAmFmPackFormatTwo ===
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{| class="wikitable" border="1"
 +
! Bits
 +
! Description
 +
|-
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| 0-9 || Reserved
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|-
 +
| 10-14 || VibrationCodesHigh
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|-
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| 15-19 || VibrationCodesLow
 +
|-
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| 20-24 || ChannelCodesHigh
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|-
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| 25-29 || ChannelCodesLow
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|-
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| 30-31 || PackFormat (must be 2)
 +
|}
 +
 +
=== VibrationAmFmPackFormatTwo14bitLow ===
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{| class="wikitable" border="1"
 +
! Bits
 +
! Description
 +
|-
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| 0 || IsChannelHigh (must be 0)
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|-
 +
| 1-7 || ChannelFrequency
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|-
 +
| 8-12 || VibrationCodesHigh1
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|-
 +
| 13-17 || VibrationCodesLow1
 +
|-
 +
| 18-22 || VibrationCodesHigh0
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|-
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| 23-29 || ChannelAmplitude
 +
|-
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| 30-31 || PackFormat (must be 2)
 +
|}
 +
 +
=== VibrationAmFmPackFormatTwo14bitHigh ===
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{| class="wikitable" border="1"
 +
! Bits
 +
! Description
 +
|-
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| 0 || IsChannelHigh (must be 1)
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|-
 +
| 1-7 || ChannelFrequency
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|-
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| 8-12 || VibrationCodesHigh1
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|-
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| 13-17 || VibrationCodesLow1
 +
|-
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| 18-22 || VibrationCodesLow0
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|-
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| 23-29 || ChannelAmplitude
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|-
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| 30-31 || PackFormat (must be 2)
 +
|}
 +
 +
=== VibrationAmFmPackFormatThree ===
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{| class="wikitable" border="1"
 +
! Bits
 +
! Description
 +
|-
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| 0-4 || VibrationCodesHigh1
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|-
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| 5-9 || VibrationCodesLow1
 +
|-
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| 10-14 || VibrationCodesHigh0
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|-
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| 15-19 || VibrationCodesLow0
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|-
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| 20-24 || ChannelCodesHigh
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|-
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| 25-29 || ChannelCodesLow
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|-
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| 30-31 || PackFormat (must be 3)
 +
|}
 +
 +
=== VibrationAmFmPackFormatThree7bit ===
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{| class="wikitable" border="1"
 +
! Bits
 +
! Description
 +
|-
 +
| 0 || IsChannelHigh
 +
|-
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| 1 || IsThree7bit (must be 1)
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|-
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| 2 || IsFm
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|-
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| 3-7 || VibrationCodesHigh1
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|-
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| 8-12 || VibrationCodesLow1
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|-
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| 13-17 || VibrationCodesHigh0
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|-
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| 18-22 || VibrationCodesLow0
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|-
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| 23-29 || ChannelAmFm
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|-
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| 30-31 || PackFormat (must be 1, instead of 3)
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|}
 +
 +
== AmFmCodes ==
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These are 32-bit values used by the Joy-Con firmware to represent combinations of amplitude/frequency pairs for vibration.
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 +
=== Unpacking ===
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The Joy-Con firmware receives vibration data packed as [[#VibrationAmFmPackTag|VibrationAmFmPackTag]] from output reports. Depending on the packing format, these tags are then converted to an array of AmFmCodes as follows.
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 +
==== AmFm5BitCodes ====
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Converted from [[#VibrationAmFmPackFormatOne|VibrationAmFmPackFormatOne]], [[#VibrationAmFmPackFormatTwo|VibrationAmFmPackFormatTwo]] or [[#VibrationAmFmPackFormatThree|VibrationAmFmPackFormatThree]].
 +
 +
{| class="wikitable" border="1"
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|-
 +
! Offset
 +
! Size
 +
! Description
 +
|-
 +
| 0x0 || 0x4 || <nowiki>(ChannelCodesLow & 0x1F)</nowiki>
 +
|-
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| 0x4 || 0x4 || <nowiki>(ChannelCodesHigh & 0x1F)</nowiki>
 +
|-
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| 0x8 || 0x4 || <nowiki>(VibrationCodesLow0 & 0x1F)</nowiki>
 +
|-
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| 0xC || 0x4 || <nowiki>(VibrationCodesHigh0 & 0x1F)</nowiki>
 +
|-
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| 0x10 || 0x4 || <nowiki>(VibrationCodesLow1 & 0x1F)</nowiki>
 +
|-
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| 0x14 || 0x4 || <nowiki>(VibrationCodesHigh1 & 0x1F)</nowiki>
 +
|}
 +
 +
==== AmFm7BitOneCodes ====
 +
Converted from [[#VibrationAmFmPackFormatOne28bit|VibrationAmFmPackFormatOne28bit]].
 +
 +
{| class="wikitable" border="1"
 +
|-
 +
! Offset
 +
! Size
 +
! Description
 +
|-
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| 0x0 || 0x4 || <nowiki>(((ChannelFrequencyLow & 0x7F) << 8) | (ChannelAmplitudeLow & 0x7F) | 0x8080)</nowiki>
 +
|-
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| 0x4 || 0x4 || <nowiki>(((ChannelFrequencyHigh & 0x7F) << 8) | (ChannelAmplitudeHigh & 0x7F) | 0x8080)</nowiki>
 +
|}
 +
 +
==== AmFm7BitTwoCodes ====
 +
Converted from [[#VibrationAmFmPackFormatTwo14bitLow|VibrationAmFmPackFormatTwo14bitLow]] or [[#VibrationAmFmPackFormatTwo14bitHigh|VibrationAmFmPackFormatTwo14bitHigh]].
 +
 +
{| class="wikitable" border="1"
 +
|-
 +
! Offset
 +
! Size
 +
! Description
 +
|-
 +
| 0x0 || 0x4 || <nowiki>IsChannelHigh ? (VibrationCodesLow0 & 0x1F) : (((ChannelFrequency & 0x7F) << 8) | (ChannelAmplitude & 0x7F) | 0x8080)</nowiki>
 +
|-
 +
| 0x4 || 0x4 || <nowiki>IsChannelHigh ? (((ChannelFrequency & 0x7F) << 8) | (ChannelAmplitude & 0x7F) | 0x8080) : (VibrationCodesHigh0 & 0x1F)</nowiki>
 +
|-
 +
| 0x8 || 0x4 || <nowiki>(VibrationCodesLow1 & 0x1F)</nowiki>
 +
|-
 +
| 0xC || 0x4 || <nowiki>(VibrationCodesHigh1 & 0x1F)</nowiki>
 +
|-
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| 0x10 || 0x4 || <nowiki>Always 0x18</nowiki>
 +
|-
 +
| 0x14 || 0x4 || <nowiki>Always 0x18</nowiki>
 +
|}
 +
 +
==== AmFm7BitThreeCodes ====
 +
Converted from [[#VibrationAmFmPackFormatThree7bit|VibrationAmFmPackFormatThree7bit]].
 +
 +
{| class="wikitable" border="1"
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|-
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! Offset
 +
! Size
 +
! Description
 +
|-
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| 0x0 || 0x4 || <nowiki>IsChannelHigh ? 0x18 : (IsFm ? (((ChannelAmFm & 0x7F) << 8) | 0x8000) : ((ChannelAmFm & 0x7F) | 0x80))</nowiki>
 +
|-
 +
| 0x4 || 0x4 || <nowiki>IsChannelHigh ? (IsFm ? (((ChannelAmFm & 0x7F) << 8) | 0x8000) : ((ChannelAmFm & 0x7F) | 0x80)) : 0x18</nowiki>
 +
|-
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| 0x8 || 0x4 || <nowiki>(VibrationCodesLow0 & 0x1F)</nowiki>
 +
|-
 +
| 0xC || 0x4 || <nowiki>(VibrationCodesHigh0 & 0x1F)</nowiki>
 +
|-
 +
| 0x10 || 0x4 || <nowiki>(VibrationCodesLow1 & 0x1F)</nowiki>
 +
|-
 +
| 0x14 || 0x4 || <nowiki>(VibrationCodesHigh1 & 0x1F)</nowiki>
 
|}
 
|}
  
Retrieved from "https://switchbrew.org/wiki/Special:MobileDiff/12864"