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更新红外说明

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cyy_mac
2026-06-16 15:17:41 +08:00
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README.md
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@@ -27,7 +27,7 @@
| 系统 | Linux 3.4.39-gec, BusyBox |
| 屏幕 | 800×480 LCD, 32bpp framebuffer (/dev/fb0) |
| 触摸 | gslX680, 1024×600 raw → 800×480 校准 (/dev/input/event0) |
| 红外 | 串口 /dev/ttySAC1, 9600 8N1, 模块自动去 A1F1 头，输出 3 字节用户码 |
| 红外 | YS-IRTM 红外模块，串口 /dev/ttySAC1, 9600 8N1, 模块自动去 A1F1 头，输出 3 字节用户码 |
| 蜂鸣器 | /sys/kernel/gec_ctrl/beep（4 字节小端 int 写入；shell echo 会写入 `0\n` 误解析为非零值）|
| LED | /sys/class/leds/ledN/brightness（1 字节 ASCII '0'/'1' 写入）|