Difference between revisions of "Joy-Con Firmware"

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The Joy-Con are internally called Ukyo (Left) and Sakyo (Right). The firmware is written in C++.
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#REDIRECT [[Joy-Con]]
 
 
= Joy-Con Firmware File =
 
The length of the firmware must be 524288 bytes.
 
 
 
{| class="wikitable" border="1"
 
|-
 
! Offset
 
! Size
 
! Description
 
|-
 
| 0x00 || 0x14 || Magic number??
 
|-
 
| 0x15 || 0x06 || Unique MAC Address of controller
 
|-
 
| 0x3B3 || 0x04 || Offset to Factory Firmware
 
|-
 
| 0x1FF4 || 0x08 || OTA Magic, if the controller is Over-The-Air updated.
 
|-
 
| 0x1FFC || 0x04 || Offset to OTA Firmware, if OTA Magic is valid.
 
|-
 
| 0x2000 || 0x1000 || PairingInfo
 
|-
 
| 0x5000 || 0x1 || Shipment
 
|-
 
| 0x6000 || 0x1000 || [[#Factory Configuration Sector|Factory Configuration]]
 
|-
 
| 0x8000 || 0x1000 || [[#User Calibration Sector|User Calibration]]
 
|}
 
 
 
== Factory Configuration Sector ==
 
{| class="wikitable" border="1"
 
|-
 
! Offset
 
! Size
 
! Description
 
|-
 
| 0x00 || 0x10 || IdentificationCode
 
|-
 
| 0x12 || 0x01 || [[#Type|Type]]
 
|-
 
| 0x1B || 0x01 || FormatVersion
 
|-
 
| 0x20 || 0x18 || [[#Cal1|Cal1]]
 
|-
 
| 0x3D || 0x12 || [[#Cal2|Cal2]]
 
|-
 
| 0x4F || 0x01 || Reserved
 
|-
 
| 0x50 || 0x0D || [[#Design|Design]]
 
|-
 
| 0x80 || 0x18 || [[#Model1|Model1]]
 
|-
 
| 0x98 || 0x12 || [[#Model2|Model2]]
 
|}
 
 
 
=== Type ===
 
{| class="wikitable" border="1"
 
|-
 
! Value
 
! Description
 
|-
 
| 0x01 || JoyLeft
 
|-
 
| 0x02 || JoyRight
 
|-
 
| 0x03 || SwitchProController
 
|-
 
| 0x04 || ([[HID_services#DeviceTypeInternal|DeviceType]] 4)
 
|-
 
| 0x05 || ([[HID_services#DeviceTypeInternal|DeviceType]] 5)
 
|-
 
| 0x06 || ([[HID_services#DeviceTypeInternal|DeviceType]] 6)
 
|-
 
| 0x07 || LarkHvc1
 
|-
 
| 0x08 || LarkHvc2
 
|-
 
| 0x09 || LarkNesLeft
 
|-
 
| 0x0A || LarkNesRight
 
|-
 
| 0x0B || Lucia
 
|-
 
| 0x0C || [12.0.0+] Lagon
 
|-
 
| 0x0D || [13.0.0+] Lager
 
|-
 
| 0x0E || [14.0.0+] ([[HID_services#DeviceTypeInternal|DeviceType]] 30)
 
|-
 
| 0x21 || FiftyLeft ([[HID_services#DeviceTypeInternal|DeviceType]] 14)
 
|-
 
| 0x22 || FiftyRight ([[HID_services#DeviceTypeInternal|DeviceType]] 18)
 
|}
 
 
 
=== Cal1 ===
 
{| class="wikitable" border="1"
 
|-
 
! Offset
 
! Size
 
! Description
 
|-
 
| 0x00 || 0x18 || SixAxisSensorCalibrationValue
 
|}
 
 
 
=== Cal2 ===
 
{| class="wikitable" border="1"
 
|-
 
! Offset
 
! Size
 
! Description
 
|-
 
| 0x00 || 0x09 || LeftAnalogStickCalibrationValue
 
|-
 
| 0x09 || 0x09 || RightAnalogStickCalibrationValue
 
|}
 
 
 
=== Design ===
 
{| class="wikitable" border="1"
 
|-
 
! Offset
 
! Size
 
! Description
 
|-
 
| 0x00 || 0x0C || [[#ControllerColor|ControllerColor]]
 
|-
 
| 0x0C || 0x01 || [[#DesignVariation|DesignVariation]]
 
|}
 
 
 
==== ControllerColor ====
 
{| class="wikitable" border="1"
 
|-
 
! Offset
 
! Size
 
! Description
 
|-
 
| 0x00 || 0x03 || Body color of controller in RGB Hex (see [[Joy-Con#Colors|Joy-Con Colors]])
 
|-
 
| 0x03 || 0x03 || Button color of controller in RGB Hex (see [[Joy-Con#Colors|Joy-Con Colors]])
 
|-
 
| 0x06 || 0x03 || Left grip color of controller in RGB Hex
 
|-
 
| 0x09 || 0x03 || Right grip color of controller in RGB Hex
 
|}
 
 
 
==== DesignVariation ====
 
{| class="wikitable" border="1"
 
|-
 
! Value
 
! Name
 
|-
 
| 0x00 || LuciaJ, LagerJ
 
|-
 
| 0x01 || LuciaE, LagerE
 
|-
 
| 0x02 || LuciaU, LagerU
 
|}
 
 
 
=== Model1 ===
 
{| class="wikitable" border="1"
 
|-
 
! Offset
 
! Size
 
! Description
 
|-
 
| 0x00 || 0x06 || SensorData
 
|-
 
| 0x06 || 0x12 || AnalogStickModuleParam
 
|}
 
 
 
=== Model2 ===
 
{| class="wikitable" border="1"
 
|-
 
! Offset
 
! Size
 
! Description
 
|-
 
| 0x00 || 0x12 || AnalogStickModuleParam
 
|}
 
 
 
== User Calibration Sector ==
 
{| class="wikitable" border="1"
 
|-
 
! Offset
 
! Size
 
! Description
 
|-
 
| 0x10 || 0x18 || [[#UserCal1|UserCal1]]
 
|-
 
| 0x28 || 0x18 || [[#UserCal2|UserCal2]]
 
|}
 
 
 
=== UserCal1 ===
 
{| class="wikitable" border="1"
 
|-
 
! Offset
 
! Size
 
! Description
 
|-
 
| 0x00 || 0x02 || UserCalMagicNumber
 
|-
 
| 0x02 || 0x09 || LeftAnalogStickCalibrationValue
 
|-
 
| 0x0B || 0x02 || UserCalMagicNumber
 
|-
 
| 0x0D || 0x09 || RightAnalogStickCalibrationValue
 
|-
 
| 0x16 || 0x02 || UserCalMagicNumber
 
|}
 
 
 
=== UserCal2 ===
 
{| class="wikitable" border="1"
 
|-
 
! Offset
 
! Size
 
! Description
 
|-
 
| 0x00 || 0x18 || SixAxisSensorCalibrationValue
 
|}
 
 
 
= Firmware Chunks =
 
The firmware itself is stored in PatchRAM chunks, located at the Factory Offset or the OTA Offset. Each chunk has a Record Type, Size and Data.
 
 
 
{| class="wikitable" border="1"
 
|-
 
! Offset
 
! Endianness
 
! Size
 
! Description
 
|-
 
| 0x00 || L || 0x01 || Record type (see [[#Record Types|Record Types]])
 
|-
 
| 0x01 || L || 0x02 || Size of data (size)
 
|-
 
| 0x03 || Mixed || (size) || Data
 
|}
 
 
 
== Record Types ==
 
{| class="wikitable" border="1"
 
|-
 
! Value
 
! Record name
 
! Description
 
|-
 
| 0x08 || REC8 || ROM1 Patches (See [[#Record 0x08|Record 0x08]] and [[#Memory Regions|Memory Regions]])
 
|-
 
| 0x0A || RECA || RAM (Ram Low and Ram High) Patches (See [[#Record 0x0A|Record 0x0A]] and [[#Memory Regions|Memory Regions]])
 
|-
 
| 0x0B || RECB || Unknown
 
|-
 
| 0xFE || END || End of chunk stream
 
|}
 
 
 
=== Record 0x08 ===
 
{| class="wikitable" border="1"
 
|-
 
! Offset
 
! Endianness
 
! Size
 
! Description
 
|-
 
| 0x00 || L || 0x01 || Index
 
|-
 
| 0x01 || L || 0x04 || Address
 
|-
 
| 0x05 || B || 0x04 || Data
 
|-
 
| 0x09 || L || 0x02 || Unk1?
 
|-
 
| 0x0B || L || 0x02 || Unk2?
 
|-
 
| 0x0D || L || 0x02 || Body size???
 
|}
 
 
 
=== Record 0x0A ===
 
{| class="wikitable" border="1"
 
|-
 
! Offset
 
! Endianness
 
! Size
 
! Description
 
! Note
 
|-
 
| 0x00 || L || 0x04 || Address || -
 
|-
 
| 0x04 || B || (Note) || Data || To calculate the size do: chunk_datasize (See [[#Firmware Chunks|Firmware Chunks]])-4
 
|}
 
 
 
=== Record 0x0B ===
 
{| class="wikitable" border="1"
 
|-
 
! Offset
 
! Endianness
 
! Size
 
! Description
 
|-
 
| 0x00 || L || 0x04 || Address
 
|}
 
 
 
== Memory Regions ==
 
{| class="wikitable" border="1"
 
|-
 
! Offsets
 
! Description
 
|-
 
| 0x00-0xC8000 || ROM 1
 
|-
 
| 0x260000-0x26C000 || ROM 2
 
|-
 
| 0xD0000-0x0x0DFFFF || RAM Low
 
|-
 
| 0x200000-0x247FFF || RAM High
 
|}
 

Latest revision as of 20:43, 20 August 2023

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