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inmp441recondtest/firmware/README.md
DESKTOP-PUHFO60\dsx2016 ddff48d05b Add INMP441 WAV recorder for CYD 2.8/3.5.
Record 16 kHz mono PCM to microSD /rec, with level meter and DAC2 playback.

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-10-27 21:16:13 +08:00

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# 预编译固件(可随时刷写)
| 目录 | 板子 | INMP441 | 背光 |
|------|------|---------|------|
| [`cyd_28r/`](cyd_28r/) | ESP32-2432S028R(ILI9341) | WS=22 / SCK=27 / SD=35 | GPIO21 |
| [`cyd_35r/`](cyd_35r/) | ESP32-3248S035C(ST7796 + GT911) | WS=22 / SCK=21 / SD=35 | GPIO27 |
版本信息见各目录 `VERSION.txt`。引脚约定见 [`../CYD_PROJECT_GUIDE.md`](../../CYD_PROJECT_GUIDE.md)。
录音写入 microSD `/rec/Rxxxx.WAV`;回放经 GPIO26 DAC2。
## 直接刷写
```powershell
cd firmware\cyd_28r # 或 cyd_35r
.\flash.ps1
# .\flash.ps1 -Port COM3
```
## 从源码重新打包
```powershell
.\firmware\export_from_build.ps1
.\firmware\export_from_build.ps1 -Env cyd_35r
.\firmware\export_from_build.ps1 -SkipBuild
```