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ld2420test/firmware/README.md
DESKTOP-PUHFO60\dsx2016 786f48ebd6 Fix 3.5C pins per CYD_PROJECT_GUIDE: BL=27, LD2420 TX=GPIO4, GT911 INT as INPUT.
Black-screen cause was TFT_BL=21; archive flashable firmware/cyd_35r.

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-10-25 11:04:59 +08:00

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# 预编译固件(可随时刷写)
| 目录 | 板子 | 接线 |
|------|------|------|
| [`cyd_28r/`](cyd_28r/) | ESP32-2432S028R(ILI9341) | OT1→22,RX→27 |
| [`cyd_35r/`](cyd_35r/) | ESP32-3248S035C(ST7796 + GT911) | OT1→22,RX→4;BL=27 |
版本信息见各目录 `VERSION.txt`。
## 直接刷写(无需重新编译)
1. USB 连接板子
2. 进入对应目录执行:
```powershell
cd firmware\cyd_28r # 或 cyd_35r
.\flash.ps1
# 或指定端口
.\flash.ps1 -Port COM3
```
也可双击 / 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 → cyd_28r
.\firmware\export_from_build.ps1 -Env cyd_35r # 3.5 → cyd_35r
# 仅复制、不编译:
.\firmware\export_from_build.ps1 -SkipBuild
.\firmware\export_from_build.ps1 -Env cyd_35r -SkipBuild
```