Merge pull request #896 from taorye/main

doc: update MAUSB8 latest firmware and provide activation threshold adjustment

Author: taorye

docs/hardware/assets/modules/micarray_usbboard_bl616/MA-USB8-250822.bin

@@ -155,10 +155,7 @@ sudo usermod -a -G plugdev $USER
 
 ## Firmware
 
-Download the firmware from the assets and follow the combo8 firmware update guide:
-
-- Firmware: `../../assets/modules/micarray_usbboard_bl616/firmware/MA-USB8-250822.bin`
-- Burn instructions: `../logic_analyzer/combo8/update_firmware.html#Burn-firmware`
+Download the [firmware](../../assets/modules/micarray_usbboard_bl616/firmware/MA-USB8-251201.bin) from the assets and follow the combo8 firmware update [guide](../logic_analyzer/combo8/update_firmware.html#Burn-firmware):
 
 ---
 ## Developer Reference (protocol, code examples, full command list)
@@ -177,6 +174,7 @@ Total packet length = 16 + 256 = 272 bytes. The header is used for frame alignme
 | Command | Input (Lower/Uppercase: Off/On) | Default | Remarks | Input Source |
 | ------- | ------------------------------ | ------- | ------- | ------------ |
 | Set UAC CH6 beam direction | 0..9, A, B | 0 | angle = value × 30° (0..B → 0°,30°,…330°). Corresponds to the clockwise direction starting from microphone 0 as per the [microphone array](./micarray.md). | Any (serial/CDC) |
+| Adjust source localization activation threshold | t/T | 650 | t: decrease by 50; T: increase by 50; adjustable range: 0–2000 | Any (serial/CDC) |
 | UART sound-map pseudocolor toggle | c/C | c | Requires ASCII 16×16 printing enabled | UART only |
 | UART internal debug info toggle | d/D | d | Enables/disables debug output | UART only |
 | LED indicator toggle | e/E | E | E = on, e = off | Any |

docs/hardware/assets/modules/micarray_usbboard_bl616/firmware/MA-USB8-250822.bin

@@ -143,7 +143,7 @@ SUBSYSTEM=="tty", ATTRS{idVendor}=="359F", MODE="0666", GROUP="plugdev"
 - UART 串口乱码或无法显示：请确认波特率为 `2000000 bps`，且使用 `picocom -b 2000000`、`minicom -b 2000000` 等工具；在 Windows 下需要安装正确的 USB 串口驱动（CH340/CH341/CH552 等）。
 
 ## 固件升级
-下载 [固件](../../assets/modules/micarray_usbboard_bl616/firmware/MA-USB8-250822.bin) 并参考 [固件刷写教程](../logic_analyzer/combo8/update_firmware.html#Burn-firmware) 进行升级。
+下载 [固件](../../assets/modules/micarray_usbboard_bl616/firmware/MA-USB8-251201.bin) 并参考 [固件刷写教程](../logic_analyzer/combo8/update_firmware.html#Burn-firmware) 进行升级。
 
 ---
 ## 开发者参考（协议、代码示例、完整指令表）
@@ -167,6 +167,7 @@ SUBSYSTEM=="tty", ATTRS{idVendor}=="359F", MODE="0666", GROUP="plugdev"
 | 指令 | 输入(小/大写: 关/开) | 默认值 | 作用 | 输入源 |
 | - | - | - | - | - |
 | 设置 UAC CH6 波束成型方向角度 | 0,1,..9,A,B | 0 | 将波束指向以 30° 步进的方向（实际角度 = 输入 × 30）；CH6 会输出合成后的音频 | 任意（串口/CDC） |
+| 修改声源定位激活阈值(t,T) | t, T | 650 | t: -50, T: +50, 阈值可调范围: 0~2000 | 任意（串口/CDC） |
 | UART 声源定位图伪彩映射开关 (c/C) | c, C | c | 打开/关闭热力图伪彩（color map），需要先开启 16×16 打印 | 仅 UART |
 | UART 打印内部调试信息 (d/D) | d, D | d | 启用/禁用调试信息输出 | 仅 UART |
 | LED 指示灯开关 (e/E) | e, E | E | 启用/禁用 LED 实时指示显示 | 任意 |