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phtotest/firmware/README.md
DESKTOP-PUHFO60\dsx2016 d19341339b Fix 3.5C backlight (GPIO27) and GT911 INT handling per CYD guide.
Wrong BL=21 caused black screen; INT is separate from backlight and stays INPUT after reset.

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-10-25 18:57:41 +08:00

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# 预编译固件(可随时刷写)
| 目录 | 板型 | 触控 |
|------|------|------|
| [`cyd/`](cyd/) | **ESP32-2432S028R** 2.8"(ILI9341) | SoftSPI XPT2046 |
| [`cyd_35r/`](cyd_35r/) | **ESP32-3248S035C** 3.5"(ST7796) | GT911 电容 |
功能:电子相册(JPG / PNG / GIF)+ TF 卡。版本见各目录 `VERSION.txt`。
## 直接刷写(无需重新编译)
1. USB 连接板子
2. 按板型进入对应目录:
```powershell
cd firmware\cyd # 2.8"
# 或
cd firmware\cyd_35r # 3.5C
.\flash.ps1
# 或指定端口
.\flash.ps1 -Port COM3
```
也可运行 `flash.bat`。
依赖其一即可:
- 已安装 PlatformIO(`pio`,自带 esptool)
- 或 `pip install esptool`
## 手动 esptool
```bash
esptool.py --chip esp32 --port COM3 --baud 921600 write_flash -z ^
--flash_mode dio --flash_freq 40m --flash_size 4MB ^
0x1000 bootloader.bin ^
0x8000 partitions.bin ^
0xe000 boot_app0.bin ^
0x10000 firmware.bin
```
## 从源码重新打包进本目录
在仓库根目录:
```powershell
.\firmware\export_from_build.ps1 # 2.8 → firmware\cyd
.\firmware\export_from_build.ps1 -Env cyd_35r # 3.5 → firmware\cyd_35r
# 仅复制、不编译:
.\firmware\export_from_build.ps1 -SkipBuild
.\firmware\export_from_build.ps1 -Env cyd_35r -SkipBuild
```