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| − | = Joy-Con Firmware File =
| + | #REDIRECT [[Joy-Con]] |
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| − | The length of the firmware must be 524288 bytes.
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| − | {| class="wikitable" border="1"
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| − | |-
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| − | ! Offset
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| − | ! Endianness
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| − | ! Size
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| − | ! Description
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| − | |-
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| − | | 0x00 || B || 0x14 || Magic number??
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| − | |-
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| − | | 0x15 || L || 0x06 || Unique MAC Address of controller
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| − | |-
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| − | | 0x3B3 || L || 0x04 || Offset to Factory Firmware
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| − | |-
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| − | | 0x1FF4 || B || 0x08 || OTA Magic, if the controller is Over-The-Air updated.
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| − | |-
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| − | | 0x1FFC || L || 0x04 || Offset to OTA Firmware, if OTA Magic is valid.
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| − | |-
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| − | | 0x6000 || Mixed || 0x1000 || Factory configuration (see [[#Factory Configuration Sector|Factory Configuration Sector]])
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| − | |-
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| − | | 0x8000 || Mixed || 0x1000 || User calibration (see [[#User Calibration Sector|User Calibration Sector]])
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| − | |}
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| − | | |
| − | == Factory Configuration Sector ==
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| − | {| class="wikitable" border="1"
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| − | |-
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| − | ! Offset
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| − | ! Endianness
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| − | ! Size
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| − | ! Description
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| − | |-
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| − | | 0x00 || B || 0x10 || Serial number
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| − | |-
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| − | | 0x10 || ? || 0x02 || Unknown
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| − | |-
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| − | | 0x12 || B || 0x01 || Type descriptor (see [[#Type Descriptor|Type Descriptor]])
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| − | |-
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| − | | 0x13 || ? || 0x3D || Unknown
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| − | |-
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| − | | 0x50 || B || 0x03 || Body color of Controller in RGB Hex (see [[Joy-Con#Colors|Joy-Con Colors]])
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| − | |-
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| − | | 0x53 || B || 0x03 || Button color of Controller in RGB Hex (see [[Joy-Con#Colors|Joy-Con Colors]])
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| − | |-
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| − | | 0x56 || ? || 0xFAA || Unknown
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| − | |}
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| − | | |
| − | === Type Descriptor ===
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| − | {| class="wikitable" border="1"
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| − | ! Value
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| − | ! Type Name
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| − | |-
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| − | | 0x01 || Joy-Con Left
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| − | |-
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| − | | 0x02 || Joy-Con Right
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| − | |-
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| − | | 0x03 || Pro Controller
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| − | |}
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| − | | |
| − | == User Calibration Sector ==
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| − | {| class="wikitable" border="1"
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| − | |-
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| − | ! Offset
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| − | ! Endianness
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| − | ! Size
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| − | ! Description
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| − | |-
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| − | | 0x00 || ? || 0x11 || Unknown
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| − | |-
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| − | | 0x10 || B || 0x0B || Left Stick Calibration (Factory 0xFF?)
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| − | |-
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| − | | 0x1B || B || 0x0B || Right Stick Calibration (Factory 0xFF?)
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| − | |-
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| − | | 0x26 || B || 0x1A || Sensor Calibration (Factory 0xFF?)
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| − | |-
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| − | | 0x40 || ? || 0xFBF || Unknown
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| − | |}
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| − | | |
| − | = Firmware Chunks =
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| − | 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.
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| − | {| class="wikitable" border="1"
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| − | |-
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| − | ! Offset
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| − | ! Endianness
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| − | ! Size
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| − | ! Description
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| − | |-
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| − | | 0x00 || L || 0x01 || Record type (see [[#Record Types|Record Types]])
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| − | | 0x01 || L || 0x02 || Size of data (size)
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| − | |-
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| − | | 0x03 || Mixed || (size) || Data
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| − | |}
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| − | | |
| − | == Record Types ==
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| − | {| class="wikitable" border="1"
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| − | ! Value
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| − | ! Record name
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| − | ! Description
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| − | |-
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| − | | 0x08 || REC8 || ROM1 Patches (See [[#Record 0x08|Record 0x08]] and [[#Memory Regions|Memory Regions]])
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| − | | 0x0A || RECA || RAM (Ram Low and Ram High) Patches (See [[#Record 0x0A|Record 0x0A]] and [[#Memory Regions|Memory Regions]])
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| − | |-
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| − | | 0x0B || RECB || Unknown
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| − | |-
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| − | | 0xFE || END || End of chunk stream
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| − | |}
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| − | | |
| − | === Record 0x08 ===
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| − | {| class="wikitable" border="1"
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| − | |-
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| − | ! Offset
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| − | ! Endianness
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| − | ! Size
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| − | ! Description
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| − | |-
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| − | | 0x00 || L || 0x01 || Index
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| − | |-
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| − | | 0x01 || L || 0x04 || Address
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| − | |-
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| − | | 0x05 || B || 0x04 || Data
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| − | |-
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| − | | 0x09 || L || 0x02 || Unk1?
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| − | |-
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| − | | 0x0B || L || 0x02 || Unk2?
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| − | |-
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| − | | 0x0D || L || 0x02 || Body size???
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| − | |}
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| − | | |
| − | === Record 0x0A ===
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| − | {| class="wikitable" border="1"
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| − | |-
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| − | ! Offset
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| − | ! Endianness
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| − | ! Size
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| − | ! Description
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| − | ! Note
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| − | |-
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| − | | 0x00 || L || 0x04 || Address || -
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| − | |-
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| − | | 0x04 || B || (Note) || Data || To calculate the size do: chunk_datasize (See [[#Firmware Chunks|Firmware Chunks]])-4
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| − | |}
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| − | | |
| − | === Record 0x0B ===
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| − | {| class="wikitable" border="1"
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| − | |-
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| − | ! Offset
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| − | ! Endianness
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| − | ! Size
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| − | ! Description
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| − | |-
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| − | | 0x00 || L || 0x04 || Address
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| − | |}
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| − | | |
| − | == Memory Regions ==
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| − | {| class="wikitable" border="1"
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| − | |-
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| − | ! Offsets
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| − | ! Description
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| − | |-
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| − | | 0x00-0xC8000 || ROM 1
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| − | |-
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| − | | 0x260000-0x26C000 || ROM 2
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| − | |-
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| − | | 0xD0000-0x0x0DFFFF || RAM Low
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| − | |-
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| − | | 0x200000-0x247FFF || RAM High
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| − | |}
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