ZMK Firmware for Corne Keyboard (XIAO BLE)

个人重新重置的程序，运行终于成功了，可以把生成的UF2下载

This repository contains a customized ZMK firmware for the Corne split keyboard(42 keys) powered by Seeed Studio XIAO BLE. It includes a custom keymap, multiple layers, and Bluetooth multi-device support.

Features

• 🛠 Custom Keymap optimized for efficiency and ergonomics.
• 🔄 Multiple Layers: macOS, Windows, Symbols, Numbers, System, and Mouse.
• 📡 Bluetooth Multi-Device Support for seamless switching between up to 5 devices.
• 🎭 Tap & Hold Behavior for dual-function keys.
• 🖱 Mouse Layer for cursor movement and scrolling.
• 🔄 Firmware Reset & Bootloader Access via dedicated keys.

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Getting Started

1️⃣ Fork This Repository

2️⃣ Customize Keyboard

• Using GUI
  • Keymap Editor
• Edit code
  • Edit config/chipper.conf to set your own keyboard
  • Edit config/chipper.keymap to set your own keymap

3️⃣ Build Firmware

1. Click Action tab of your repository page.
2. Run Build ZMK firmware workflow.
3. Download firmware zip file.

4️⃣ Flash Firmware

1. Put XIAO BLE into bootloader mode by double-tapping the RST button.
2. Drag and drop the generated .uf2 file into the mounted bootloader drive.

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Keymap Overview

Layer Structure

Layer	ID	Function
macOS	MAC 0	Default macOS typing layer
Windows	WIN 1	Default Windows typing layer
Symbols & Functions	SYM 2	Special characters, function keys (F1-F12)
Numbers & Navigation	NUM 3	Number pad, navigation keys
System	SYS 4	Media controls, Bluetooth switching, bootloader, reset
Mouse	PNT 5	Mouse movement, scrolling

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Layer Details

1️⃣ macOS Layer (MAC 0)

 ┌─────┬─────┬─────┬─────┬─────┬─────┐      ┌─────┬─────┬─────┬─────┬─────┬─────┐
 │ TAB │  Q  │  W  │  E  │  R  │  T  │      │  Y  │  U  │  I  │  O  │  P  │BSPC │
 ├─────┼─────┼─────┼─────┼─────┼─────┤      ├─────┼─────┼─────┼─────┼─────┼─────┤
 │CTRL │  A  │  S  │  D  │  F  │  G  │      │  H  │  J  │  K  │  L  │  ;  │CTRL │
 │ ESC │     │     │     │     │     │      │     │     │     │     │     │ '   │
 ├─────┼─────┼─────┼─────┼─────┼─────┤      ├─────┼─────┼─────┼─────┼─────┼─────┤
 │SFT  │  Z  │  X  │  C  │  V  │  B  │      │  N  │  M  │  ,  │  .  │  /  │SFT  │
 └─────┴─────┴─────┼─────┼─────┼─────┤      ├─────┼─────┼─────┼─────┴─────┴─────┘
                   │GUI  │SYM  │SPACE│      │RET  │NUM  │ALT  │
                   └─────┴─────┴─────┘      └─────┴─────┴─────┘

• Standard QWERTY layout with Cmd (LGUI) instead of Ctrl.
• Left Ctrl (LCTRL) is dual-purpose:
  • Tap → Esc
  • Hold → LCTRL

2️⃣ Windows Layer (WIN 1)

• Identical to macOS, but Ctrl and Win keys are swapped to match Windows shortcuts.

3️⃣ Symbols & Functions (SYM 2)

 ┌───────┬───────┬───────┬───────┬───────┬───────┐      ┌───────┬───────┬───────┬───────┬───────┬───────┐
 │  ~    │  !    │  @    │  #    │  $    │  %    │      │  ^    │  &    │  *    │  (    │  )    │TRANS  │
 ├───────┼───────┼───────┼───────┼───────┼───────┤      ├───────┼───────┼───────┼───────┼───────┼───────┤
 │ PNT   │  F1   │  F2   │  F3   │  F4   │  F5   │      │  F11  │  -    │  =    │  [    │  ]    │  |    │
 ├───────┼───────┼───────┼───────┼───────┼───────┤      ├───────┼───────┼───────┼───────┼───────┼───────┤
 │TRANS  │  F6   │  F7   │  F8   │  F9   │  F10  │      │  F12  │  _    │  +    │  {    │  }    │  \    │
 └───────┴───────┴───────┼───────┼───────┼───────┤      ├───────┼───────┼───────┼───────┴───────┴───────┘
                         │TRANS  │TRANS  │TRANS  │      │TRANS  │SYS    │TRANS  │
                         └───────┴───────┴───────┘      └───────┴───────┴───────┘

• Function keys (F1-F12)
• Symbol characters (@ # $ % ^ & * ...)

4️⃣ Numbers & Navigation (NUM 3)

 ┌───────┬───────┬───────┬───────┬───────┬───────┐      ┌───────┬───────┬───────┬───────┬───────┬───────┐
 │  `    │  1    │  2    │  3    │  4    │  5    │      │  6    │  7    │  8    │  9    │  0    │TRANS  │
 ├───────┼───────┼───────┼───────┼───────┼───────┤      ├───────┼───────┼───────┼───────┼───────┼───────┤
 │TRANS  │ CAPS  │ HOME  │ PGUP  │ DEL   │       │      │ LEFT  │ DOWN  │  UP   │RIGHT  │  |    │TRANS  │
 ├───────┼───────┼───────┼───────┼───────┼───────┤      ├───────┼───────┼───────┼───────┼───────┼───────┤
 │TRANS  │ PSCRN │ END   │ PGDN  │ INS   │       │      │       │       │TRANS  │TRANS  │  \    │TRANS  │
 └───────┴───────┴───────┼───────┼───────┼───────┤      ├───────┼───────┼───────┼───────┴───────┴───────┘
                         │TRANS  │SYS    │TRANS  │      │TRANS  │TRANS  │TRANS  │
                         └───────┴───────┴───────┘      └───────┴───────┴───────┘

• Number keys (1-0)
• Navigation keys (Home, End, PgUp, PgDn)
• Arrow keys (Left, Right, Up, Down)

5️⃣ System (SYS 4)

 ┌───────┬────────────┬───────┬──────────┬──────────┬───────┐      ┌───────┬───────┬───────┬───────┬───────┬────────┐
 │       │ Play/Pause │ Mute  │ Show Win │ Show App │       │      │       │MAC    │WIN    │       │       │ BT_CLR │
 ├───────┼────────────┼───────┼──────────┼──────────┼───────┤      ├───────┼───────┼───────┼───────┼───────┼────────┤
 │       │ Next       │ Vol+  │ Bright+  │ Search   │ Boot  │      │ Boot  │  BT0  │ BT1   │ BT2   │ BT3   │ BT4    │
 ├───────┼────────────┼───────┼──────────┼──────────┼───────┤      ├───────┼───────┼───────┼───────┼───────┼────────┤
 │       │ Prev       │ Vol-  │ Bright-  │          │ Reset │      │ Reset │       │ BT_PRV│ BT_NXT│       │        │
 └───────┴────────────┴───────┼──────────┼──────────┼───────┤      ├───────┼───────┼───────┼───────┴───────┴────────┘
                              │          │TRANS     │       │      │       │TRANS  │       │
                              └──────────┴──────────┴───────┘      └───────┴───────┴───────┘

• Media controls (Play/Pause, Volume, Brightness).
• Bluetooth switching:
  • BT_SEL 0-4 → Switch to paired devices.
  • BT_CLR → Clear Bluetooth pairing.
  • BT_PRV / BT_NXT → Cycle through devices.
• Firmware reset & bootloader mode:
  • sys_reset → Soft reset.
  • bootloader → Enters bootloader for flashing firmware.

6️⃣ Mouse (PNT 5)

 ┌───────┬───────┬───────┬───────┬───────┬───────┐      ┌───────┬───────┬───────┬─────────┬───────┬───────┐
 │       │       │       │       │       │       │      │ ScrL  │ ScrD  │ ScrU  │ ScrR    │       │       │
 ├───────┼───────┼───────┼───────┼───────┼───────┤      ├───────┼───────┼───────┼─────────┼───────┼───────┤
 │       │       │       │       │       │       │      │ Left  │ Down  │ Up    │ Right   │       │       │
 ├───────┼───────┼───────┼───────┼───────┼───────┤      ├───────┼───────┼───────┼─────────┼───────┼───────┤
 │       │       │       │       │       │       │      │ Back  │       │       │ Forward │       │       │
 └───────┴───────┴───────┼───────┼───────┼───────┤      ├───────┼───────┼───────┴─────────┴───────┴───────┘
                         │       │       │       │      │ LClick│ RClick│ MClick│
                         └───────┴───────┴───────┘      └───────┴───────┴───────┘

• Mouse cursor movement (MOVE_UP, MOVE_DOWN, MOVE_LEFT, MOVE_RIGHT)
• Scrolling (SCRL_UP, SCRL_DOWN, SCRL_LEFT, SCRL_RIGHT)
• Mouse clicks (LCLK, RCLK, MCLK)
• Shortcut keys for browser navigation (C_AC_BACK, C_AC_FORWARD)

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Bluetooth Multi-Device Pairing

XIAO BLE supports pairing with up to 5 devices.

Pairing New Devices

1. Activate the SYS layer using the assigned key.
2. Select a Bluetooth slot (BT_SEL 0-4).
3. Put the keyboard in pairing mode (BT_CLR).
4. Connect via your device’s Bluetooth settings.

Switching Between Devices

Once paired, switch devices using:

• &bt BT_SEL 0 → Device 1
• &bt BT_SEL 1 → Device 2
• &bt BT_SEL 2 → Device 3
• &bt BT_SEL 3 → Device 4
• &bt BT_SEL 4 → Device 5

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Firmware Reset & Bootloader

• Reboot Keyboard: Press the reset key (mapped in SYS layer).
• Enter Bootloader Mode: Press the bootloader key or double-tap the RST button.

🔹 &sys_reset → Soft reset (restarts the keyboard)
🔹 &bootloader → Enters bootloader mode for flashing firmware

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Contributing

Feel free to submit issues or pull requests for improvements!

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Credits

Built using ZMK Firmware and inspired by the Corne Keyboard.