Difference between revisions of "HID Shared Memory"
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Revision as of 23:30, 22 November 2017
HID shared memory is a 0x40000 byte read-only segment of memory shared between applications for input. The segment contains structures for most if not all input methods available to applications.
Memory Map
| Offset | Size in bytes | Description |
|---|---|---|
| 0x0 | 0x400 | Unknown, Header? |
| 0x400 | 0x3000 | Capacitive Touchscreen |
| 0x3400 | 0x400 | Mouse |
| 0x3800 | 0x400 | Keyboard |
| 0x3C00 | 0x400 | Unknown, header and 17 entries |
| 0x4000 | 0x400 | Unknown, header and 17 entries |
| 0x4400 | 0x400 | Unknown, header and 17 entries |
| 0x4800 | 0x400 | Unknown, header and 17 entries |
| 0x4C00 | 0x200 | Unknown |
| 0x4E00 | 0x200 | Unknown |
| 0x5000 | 0x200 | Unknown |
| 0x5200 | 0x800 | Unknown |
| 0x5A00 | 0x4000 | Controller Serials? |
| 0x9A00 | 0x32000 | Controllers |
| 0x3BA00 | 0x4600 | Unknown |
Capacitive Touchscreen
| Offset | Size in bytes | Description |
|---|---|---|
| 0x0 | 0x28 | Touch Header |
| 0x28 | 0x298 * 17 | Touch Entries |
Touch Header
| Offset | Size in bytes | Description |
|---|---|---|
| 0x0 | 0x8 | Timestamp in ticks? |
| 0x8 | 0x8 | Number of Entries, always 17 |
| 0x10 | 0x8 | Latest Entry Index |
| 0x18 | 0x8 | Maximum Entry Index, always 16 |
| 0x20 | 0x8 | Timestamp in samples |
Touch Entry
| Offset | Size in bytes | Description |
|---|---|---|
| 0x0 | 0x10 | Touch Entry Header |
| 0x10 | 0x28 * 16 | Touch Data |
Touch Structure Header
| Offset | Size in bytes | Description |
|---|---|---|
| 0x0 | 0x8 | Timestamp in samples |
| 0x8 | 0x8 | Number of Touches |
Touch Data Entry
| Offset | Size in bytes | Description |
|---|---|---|
| 0x0 | 0x8 | Timestamp in samples |
| 0x8 | 0x4 | Padding |
| 0xC | 0x4 | Touch Index |
| 0x10 | 0x4 | Touch X |
| 0x14 | 0x4 | Touch Y |
| 0x18 | 0x4 | Touch Diameter X |
| 0x1C | 0x4 | Touch Diameter Y |
| 0x20 | 0x4 | Angle |
| 0x24 | 0x4 | Padding |
Mouse
| Offset | Size in bytes | Description |
|---|---|---|
| 0x0 | 0x20 | Mouse Header |
| 0x20 | 0x30 * 17 | Mouse Entries |
Mouse Header
| Offset | Size in bytes | Description |
|---|---|---|
| 0x0 | 0x8 | Timestamp in ticks? |
| 0x8 | 0x8 | Number of Entries, always 17 |
| 0x10 | 0x8 | Latest Entry Index |
| 0x18 | 0x8 | Maximum Entry Index, always 16 |
Mouse Entry
| Offset | Size in bytes | Description |
|---|---|---|
| 0x0 | 0x8 | Timestamp in samples |
| 0x8 | 0x8 | Timestamp in samples again? |
| 0x10 | 0x4 | Mouse X |
| 0x14 | 0x4 | Mouse Y |
| 0x18 | 0x4 | Mouse X Change |
| 0x1C | 0x4 | Mouse Y Change |
| 0x20 | 0x4 | Scroll Change Y |
| 0x24 | 0x4 | Scroll Change X? |
| 0x28 | 0x8 | Mouse Buttons |
Keyboard
| Offset | Size in bytes | Description |
|---|---|---|
| 0x0 | 0x20 | Keyboard Header |
| 0x20 | 0x30 * 17 | Keyboard Entries |
Keyboard Header
| Offset | Size in bytes | Description |
|---|---|---|
| 0x0 | 0x8 | Timestamp in ticks? |
| 0x8 | 0x8 | Number of Entries, always 17 |
| 0x10 | 0x8 | Latest Entry Index |
| 0x18 | 0x8 | Maximum Entry Index, always 16 |
Keyboard Entry
| Offset | Size in bytes | Description |
|---|---|---|
| 0x0 | 0x8 | Timestamp in samples |
| 0x8 | 0x8 | Timestamp in samples again? |
| 0x10 | 0x8 | Modifier Mask |
| 0x18 | 0x20 | Keys Down, each key gets one bit based on the HID keyboard scan code (F1 is 0x3A, bit 0x3A is set) |
Controller Serials?
This section contains a series of 16 structures 0x400 bytes large.
| Offset | Size in bytes | Description |
|---|---|---|
| 0x30 | 0xE | Controller Serial |
| 0x60 | 0xE | Controller Serial |
Controllers
This section contains a series of 10 0x5000 byte structures describing each available controller.
| Controller Index | Description |
|---|---|
| 0 to 7 | Players 1 to 8 |
| 8 | Handheld Mode |
| 9 | Unknown |
Controller
| Offset | Size in bytes | Description |
|---|---|---|
| 0x0 | 0x28 | Controller Header |
| 0x28 | 0x20 header + 0x30 * 17 | Controller Pro Controller State |
| 0x378 | 0x20 header + 0x30 * 17 | Controller Handheld Joined State |
| 0x6C8 | 0x20 header + 0x30 * 17 | Controller Joined State (Lone Joy-Con or Pair of Joy-Con) |
| 0xA18 | 0x20 header + 0x30 * 17 | Controller Left State (Vertical Controls w/ Joy-Con Half) |
| 0xD68 | 0x20 header + 0x30 * 17 | Controller Right State (Vertical Controls w/ Joy-Con Half) |
| 0x10B8 | 0x20 header + 0x30 * 17 | Controller Main State (No Analog Sticks) |
| 0x1408 | 0x20 header + 0x30 * 17 | Controller Main State |
| 0x41D0 | 0x10 | Controller MAC |
| 0x41F0 | 0x10 | Controller MAC |
Controller Header
| Offset | Size in bytes | Description |
|---|---|---|
| 0x0 | 0x4 | Status, bit0 Pro Controller/HID controller, bit1 wired for handheld, bit2 pair, bit3 left, bit4 right |
| 0x4 | 0x4 | Is Joy-Con Half |
| 0x8 | 0x4 | bit1 color set does not exist |
| 0xC | 0x4 | RGBA Body Color (single Joy-Con or Pro Controller) |
| 0x10 | 0x4 | RGBA Button Color (single Joy-Con or Pro Controller) |
| 0x14 | 0x4 | bit1 color set does not exist |
| 0x18 | 0x4 | RGBA Body Color (right Joy-Con) |
| 0x1C | 0x4 | RGBA Button Color (right Joy-Con) |
| 0x20 | 0x4 | RGBA Body Color (left Joy-Con) |
| 0x24 | 0x4 | RGBA Button Color (left Joy-Con) |
Controller State Header
| Offset | Size in bytes | Description |
|---|---|---|
| 0x0 | 0x8 | Timestamp in ticks? |
| 0x8 | 0x8 | Number of entries, always 17 |
| 0x10 | 0x8 | Latest Entry Index |
| 0x18 | 0x8 | Maximum Entry Index, always 16 |
Controller State
| Offset | Size in bytes | Description |
|---|---|---|
| 0x0 | 0x8 | Timestamp in samples |
| 0x8 | 0x8 | Timestamp in samples again |
| 0x10 | 0x8 | Button State |
| 0x18 | 0x4 | Left Joystick X |
| 0x1C | 0x4 | Left Joystick Y |
| 0x20 | 0x4 | Right Joystick X |
| 0x24 | 0x4 | Right Joystick Y |
| 0x28 | 0x8 | Controller State (bit0 connected, bit1 wired) |
Button State
| Bit | Button |
|---|---|
| 0 | A |
| 1 | B |
| 2 | X |
| 3 | Y |
| 4 | Left Stick Pressed |
| 5 | Right Stick Pressed |
| 6 | L |
| 7 | R |
| 8 | ZL |
| 9 | ZR |
| 10 | Plus |
| 11 | Minus |
| 12 | Left |
| 13 | Up |
| 14 | Right |
| 15 | Down |
| 16 | Left Stick Left |
| 17 | Left Stick Up |
| 18 | Left Stick Right |
| 19 | Left Stick Down |
| 20 | Right Stick Left |
| 21 | Right Stick Up |
| 22 | Right Stick Right |
| 23 | Right Stick Down |
| 24 | SL |
| 25 | SR |