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feat(hid): 添加 Consumer Control 多媒体按键和多平台键盘布局

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- 新增 Consumer Control HID 支持（播放/暂停、音量控制等）
- 虚拟键盘支持 Windows/Mac/Android 三种布局切换
- 移除键盘 LED 反馈以节省 USB 端点（从 2 减至 1）
- InfoBar 优化：按键名称友好显示，移除未实现的 Num/Scroll 指示器
- 更新 HID 模块文档
This commit is contained in:
mofeng-git
2026-01-02 23:52:12 +08:00
parent ad401cdf1c
commit cb7d9882a2
27 changed files with 888 additions and 262 deletions
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42
src/otg/report_desc.rs
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@@ -1,17 +1,11 @@
//! HID Report Descriptors
/// Keyboard HID Report Descriptor with LED output support
/// Keyboard HID Report Descriptor (no LED output - saves 1 endpoint)
/// Report format (8 bytes input):
/// [0] Modifier keys (8 bits)
/// [1] Reserved
/// [2-7] Key codes (6 keys)
/// LED output (1 byte):
/// Bit 0: Num Lock
/// Bit 1: Caps Lock
/// Bit 2: Scroll Lock
/// Bit 3: Compose
/// Bit 4: Kana
pub const KEYBOARD_WITH_LED: &[u8] = &[
pub const KEYBOARD: &[u8] = &[
0x05, 0x01, // Usage Page (Generic Desktop)
0x09, 0x06, // Usage (Keyboard)
0xA1, 0x01, // Collection (Application)
@@ -28,17 +22,6 @@ pub const KEYBOARD_WITH_LED: &[u8] = &[
0x95, 0x01, // Report Count (1)
0x75, 0x08, // Report Size (8)
0x81, 0x01, // Input (Constant) - Reserved byte
// LED output (5 bits)
0x95, 0x05, // Report Count (5)
0x75, 0x01, // Report Size (1)
0x05, 0x08, // Usage Page (LEDs)
0x19, 0x01, // Usage Minimum (1) - Num Lock
0x29, 0x05, // Usage Maximum (5) - Kana
0x91, 0x02, // Output (Data, Variable, Absolute) - LED bits
// LED padding (3 bits)
0x95, 0x01, // Report Count (1)
0x75, 0x03, // Report Size (3)
0x91, 0x01, // Output (Constant) - Padding
// Key array (6 bytes)
0x95, 0x06, // Report Count (6)
0x75, 0x08, // Report Size (8)
@@ -147,14 +130,33 @@ pub const MOUSE_ABSOLUTE: &[u8] = &[
0xC0, // End Collection
];
/// Consumer Control HID Report Descriptor (2 bytes report)
/// Report format:
/// [0-1] Consumer Control Usage (16-bit little-endian)
/// Supports: Play/Pause, Stop, Next/Prev Track, Mute, Volume Up/Down, etc.
pub const CONSUMER_CONTROL: &[u8] = &[
0x05, 0x0C, // Usage Page (Consumer)
0x09, 0x01, // Usage (Consumer Control)
0xA1, 0x01, // Collection (Application)
0x15, 0x00, // Logical Minimum (0)
0x26, 0xFF, 0x03, // Logical Maximum (1023)
0x19, 0x00, // Usage Minimum (0)
0x2A, 0xFF, 0x03, // Usage Maximum (1023)
0x75, 0x10, // Report Size (16)
0x95, 0x01, // Report Count (1)
0x81, 0x00, // Input (Data, Array)
0xC0, // End Collection
];
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_report_descriptor_sizes() {
assert!(!KEYBOARD_WITH_LED.is_empty());
assert!(!KEYBOARD.is_empty());
assert!(!MOUSE_RELATIVE.is_empty());
assert!(!MOUSE_ABSOLUTE.is_empty());
assert!(!CONSUMER_CONTROL.is_empty());
}
}