添加README进行补充使用
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# RP2350
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## 前提:
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### 编译基础:
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`apt install cmake gcc-arm-none-eabi libnewlib-arm-none-eabi build-essential git python3 libstdc++-arm-none-eabi-newlib -y `
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### 获取Pico SDK
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`git clone -b master https://github.com/raspberrypi/pico-sdk.git`
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`git submodule update --init`
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`export PICO_SDK_PATH=~/pico/pico-sdk`
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### 获取本项目源码:
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`git clone http://192.168.201.136:3000/jb/spmkey.git`
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`git submodule update --init --recursive`
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本项目优先使用:微雪RP2350-USB-A(GPIO 16 连接 WS2812B RGB LED,已加入支持ws2812B,其他的自救)
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注意:26年以前的微雪RP2350是A2版本,存在安全漏洞,建议考虑:A4版
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移植来自微雪RB2350 RGB例程,出bug,自救
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## fido-pico2支持的模拟PID/VID
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| 平台名称 (VIDPID 参数) | VID (厂商 ID) | PID (产品 ID) | 说明 |
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|----|----|----|----|
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| **NitroHSM** | `0x20A0` | `0x4230` | Nitrokey HSM |
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| **NitroFIDO2** | `0x20A0` | `0x42B1` | Nitrokey FIDO2 |
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| **NitroStart** | `0x20A0` | `0x4211` | Nitrokey Start |
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| **NitroPro** | `0x20A0` | `0x4108` | Nitrokey Pro |
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| **Nitro3** | `0x20A0` | `0x42B2` | Nitrokey 3 |
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| **Yubikey5** | `0x1050` | `0x0407` | Yubico YubiKey 5 |
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| **YubikeyNeo** | `0x1050` | `0x0116` | Yubico YubiKey NEO |
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| **YubiHSM** | `0x1050` | `0x0030` | Yubico YubiHSM |
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| **Gnuk** | `0x234B` | `0x0000` | Gnuk Token |
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| **GnuPG** | `0x1209` | `0x2440` | GnuPG Smartcard |
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默认值:VID是:0xFEFF,PID:0xFCFD
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参考文件:pico-fido2/pico-keys-sdk/pico_keys_sdk_import.cmake
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cmake 参数:`cmake .. -DVIDPID=Yubikey5`或者 `cmake .. -DVIDPID=NitroFIDO2`
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## pico-fido2其他参数
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一键查看参数:grep -n "Pico Key|picokeys|PRODUCT|string_desc"
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参考文件:
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pico-fido2/pico-keys-sdk/src/usb/usb_descriptors.c
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pico-fido2/pico-keys-sdk/src/led/led_ws2812.c
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main 文件:pico-keys-sdk/src/main.c
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已经微调加入参数:
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| CMake参数 | 类型 | 示例 | 作用 |
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|----|----|----|----|
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| `-DUSB_MANUFACTURER` | 字符串 | `'"SPM-A2"'` | 设备名称 |
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| `-DVIDPID` | 字符串 | `'"Yubico"'` | 制造商PID/VID |
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| `-LED_BRIGHTNESS_DIV` | 数字 | `20(对应下方5%) ` | LED亮度(越大越暗) |
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亮度值说明
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参考CMake编译命令:
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`cmake -DUSB_PRODUCT='"YubiKey-Alice"' \ -DUSB_MANUFACTURER='"Yubico"' \ -DUSB_LANDING_URL='"www.baidu.com"' \ -DLED_BRIGHTNESS_DIVISOR=20 \`
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## 亮度参考表
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| LED_BRIGHTNESS_DIV | 实际亮度 | 效果 |
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|----|----|----|
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| 1 | 100% | 非常亮 |
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| 2 | 50% | 很亮 |
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| 5 | 20% | 适中 |
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| 10 | 10% | 较暗 |
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| 20 | 5% | **默认**,暗,仍可见 |
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| 50 | 2% | 最暗(自动限制) |
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| >50 | 2% | 自动限制为最小 |
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### 启用WS2812B(默认已配置)
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LED 配置(主CMakeLists.txt)启用ws2812
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编辑文件:pico-fido2/CMakeLists.txt
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endif(ENABLE_OTP_APP)下方加入
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#### WS2812 LED 配置
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add_definitions(-DPICO_DEFAULT_WS2812_PIN=16)
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message(STATUS "WS2812 LED Pin: \\t\\t 16")
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#### 验证:
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cmake 输出显示:-- WS2812 LED Pin: 16
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## 编译
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```javascript
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PICO_SDK_PATH=~/pico/pico-sdk cmake .. \
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-DPICO_BOARD=pico2 \
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-DVIDPID=Yubikey5 \
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-DUSB_MANUFACTURER="Yubico" \
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-DUSB_PRODUCT_NAME="SPM-A2" \
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-DLED_BRIGHTNESS_DIV=20
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make -j$(nproc)
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```
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注意:每次重新编译建议把build文件清空
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## 刷机
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长按BOOT接电,把uf2文件复制到RP2350分区即可(自动重启)
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备注支持查看本仓库的SupportList.md文件
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