2023-06-30 06:50:24 +08:00
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[English](README_en.md) | **中文**
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2023-03-19 14:41:18 +08:00
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# bouffalo_lab bsp
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## 1. 简介
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2023-05-04 11:49:38 +08:00
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bouffalo_lab bsp针对bouffalo_lab的系列AIoT芯片,采用bouffalo_lab最新**LHAL** 驱动库,驱动库与[bouffalo_sdk](https://github.com/bouffalolab/bouffalo_sdk)(原bl_mcu_sdk)代码同步,当前commitid:`e6e8da79a50aeb4fcb67ac380c3bd8885cd56faf`
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2023-03-19 14:41:18 +08:00
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目前支持以下芯片:
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| | 芯片型号 | 内核 |
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| ---- | :----------------------- | ---------------------------------------- |
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| 1 | bl60x(bl602/bl604) | RISC-V SiFive E24 |
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| 2 | bl70x(bl702/bl704/bl706) | RISC-V SiFive E24 |
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| 3 | bl61x(bl616/bl618) | RISC-V T-Head E907 |
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| 4 | bl808 | RISC-V T-Head E902(lp)+E907(m0)+C906(d0) |
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**LHAL** 是博流为统一通用外设接口而设计的驱动库,代码精炼并且支持博流所有系列芯片。
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| 外设 | BL602/BL604 | BL702/BL704/BL706 | BL616/BL618 | BL808 |
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| :------: | :---------: | :---------------: | :---------: | :---: |
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| ADC | ○ | √ | √ | ○ |
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| CAM | - | × | × | × |
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| CKS | ○ | √ | √ | ○ |
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| DAC | ○ | √ | √ | ○ |
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| DMA | ○ | √ | √ | √ |
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| EFUSE | × | √ | √ | √ |
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| EMAC | - | √ | √ | √ |
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| FLASH | √ | √ | √ | √ |
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| GPIO | ○ | √ | √ | √ |
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| I2C | ○ | √ | √ | ○ |
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| I2S | ○ | ○ | √ | ○ |
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| IR | ○ | √ | √ | ○ |
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| MJPEG | × | × | √ | √ |
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| PWM_v1 | ○ | √ | - | - |
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| PWM_v2 | - | - | √ | √ |
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| RTC | ○ | √ | √ | √ |
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| SEC_AES | ○ | √ | √ | √ |
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| SEC_SHA | ○ | √ | √ | √ |
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| SEC_TRNG | ○ | √ | √ | √ |
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| SEC_PKA | ○ | √ | √ | √ |
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| SPI | ○ | √ | √ | √ |
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| TIMER | ○ | √ | √ | √ |
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| UART | √ | √ | √ | √ |
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| USB_v1 | - | √ | - | - |
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| USB_v2 | - | - | √ | √ |
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| WDG | ○ | √ | √ | ○ |
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备注:**√** 表示已支持;**×** 表示未支持;**○** 表示已支持但未测试;**-** 表示没有该外设。
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## 2. 环境搭建及编译
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2023-05-04 11:49:38 +08:00
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bl60x/bl70x/bl61x可在对应芯片直接编译;bl808是多核异构架构,分为m0、lp、d0,每个核需要单独编译并烧录到对应的位置,bl808三核使用详细参考[bl808三核使用指南](./bl808/README.md)。
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2023-05-04 11:49:38 +08:00
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以下操作以单核bl61x为例,其他芯片操作类同。
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2023-03-19 14:41:18 +08:00
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### 2.1. 下载
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请至对应下载链接下载芯片的工具链
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| 芯片型号 | 下载地址 |
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| ----------- | ------------------------------------------------------------ |
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| bl60x/bl70x | [Linux](https://gitee.com/bouffalolab/toolchain_gcc_sifive_linux)/[windows](https://gitee.com/bouffalolab/toolchain_gcc_sifive_windows) |
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| bl61x/bl808 | [T-Head官网](https://occ.t-head.cn/community/download?id=4073475960903634944)或[Linux](https://gitee.com/bouffalolab/linuxtoolchain_gcc_t-head)/[windows](https://gitee.com/bouffalolab/toolchain_gcc_t-head_windows) |
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### 2.2. 设置
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Windows下请使用使用[env工具][1],使用命令 `tar -xvf Xuantie-900-gcc-elf-newlib-mingw-V2.6.1-20220906.tar.gz` 解压交叉编译器,使用Windows下解压工具直接解压可能出现Windows下编译错误。
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在`rtconfig.py`中将risc-v工具链的本地路径加入 `EXEC_PATH` 或通过 `RTT_EXEC_PATH` 环境变量指定路径
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Windows:
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```
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set RTT_EXEC_PATH=C:\Users\xxxx\Downloads\Xuantie-900-gcc-elf-newlib-x86_64-V2.6.1\bin
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```
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Linux:
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```
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export RTT_EXEC_PATH=/opt/Xuantie-900-gcc-elf-newlib-x86_64-V2.6.1/bin
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```
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### 2.3. 编译
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Windows下推荐使用[env工具][1],在console下进入bsp/bouffalo_lab/bl61x目录中,运行:
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cd bsp/bouffalo_lab/bl61x
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menuconfig
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pkgs --update
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如果在Linux平台下,可以先执行:
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scons --menuconfig
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它会自动下载env相关脚本到~/.env目录,然后执行
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source ~/.env/env.sh
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cd bsp/bouffalo_lab/bl61x
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pkgs --update
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更新完软件包后,执行 `scons -j10` 或 `scons -j10 --verbose` 来编译这个板级支持包。或者通过 `scons --exec-path="GCC工具链路径"` 命令,在指定工具链位置的同时直接编译。
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如果编译正确无误,会产生rtthread.elf、rtthread.bin文件;编译完成后自动调用`libraries/bl_mcu_sdk/tools/bflb_tools/bflb_fw_post_proc`对rtthread.bin进行打包处理以用于后续`bouffalo_flash_cube`工具烧录。
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脚本会自动采用curl命令行方式下载`bflb_fw_post_proc`,如自动下载失败,可采用手工方式下载对应操作系统文件后保存至`libraries/bl_mcu_sdk/tools/bflb_tools/bflb_fw_post_proc`
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2023-05-04 11:49:38 +08:00
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| 下载地址1 | [windows](https://raw.githubusercontent.com/bouffalolab/bl_mcu_sdk/master/tools/bflb_tools/bflb_fw_post_proc/bflb_fw_post_proc.exe)/[Linux](https://raw.githubusercontent.com/bouffalolab/bl_mcu_sdk/master/tools/bflb_tools/bflb_fw_post_proc/bflb_fw_post_proc-ubuntu)/[macos](https://raw.githubusercontent.com/bouffalolab/bl_mcu_sdk/master/tools/bflb_tools/bflb_fw_post_proc/bflb_fw_post_proc-macos) |
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| --------- | ------------------------------------------------------------ |
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| 下载地址2 | [bflb_fw_post_proc-win.tar.gz](https://gitee.com/flyingcys/bflb_tools/releases/download/v1.0.4/bflb_fw_post_proc-win.tar.gz)/[bflb_fw_post_proc-linux.tar.gz](https://gitee.com/flyingcys/bflb_tools/releases/download/v1.0.4/bflb_fw_post_proc-linux.tar.gz)/[bflb_fw_post_proc-macos.tar.gz](https://gitee.com/flyingcys/bflb_tools/releases/download/v1.0.4/bflb_fw_post_proc-macos.tar.gz) |
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| 下载地址3 | [bflb_fw_post_proc-win.tar.gz](https://github.com/flyingcys/bflb_tools/releases/download/v1.0.4/bflb_fw_post_proc-win.tar.gz)/[bflb_fw_post_proc-linux.tar.gz](https://github.com/flyingcys/bflb_tools/releases/download/v1.0.4/bflb_fw_post_proc-linux.tar.gz)/[bflb_fw_post_proc-macos.tar.gz](https://github.com/flyingcys/bflb_tools/releases/download/v1.0.4/bflb_fw_post_proc-macos.tar.gz) |
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2023-03-19 14:41:18 +08:00
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## 3. 下载烧录
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2023-05-04 11:49:38 +08:00
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### 3.1. 烧录工具下载
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2023-05-04 11:49:38 +08:00
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当前bsp必须使用`bouffalo_flash_cube-1.0.4`工具进行烧录,使用其他工作无法正常运行。
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- 烧录工具下载地址1:[百度网盘](https://pan.baidu.com/s/1eG9pkxf3riAqQAu9aXiOjw?pwd=miv1)
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- 烧录工具下载地址2:
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[bouffalo_flash_cube-win.zip](https://gitee.com/flyingcys/bflb_tools/releases/download/v1.0.4/bouffalo_flash_cube-win.zip)/[bouffalo_flash_cube-win.tar.gz](https://gitee.com/flyingcys/bflb_tools/releases/download/v1.0.4/bouffalo_flash_cube-win.tar.gz)
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[bouffalo_flash_cube-linux.zip](https://gitee.com/flyingcys/bflb_tools/releases/download/v1.0.4/bouffalo_flash_cube-linux.zip)/[bouffalo_flash_cube-linux.tar.gz](https://gitee.com/flyingcys/bflb_tools/releases/download/v1.0.4/bouffalo_flash_cube-linux.tar.gz)
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[bouffalo_flash_cube-macos.zip](https://gitee.com/flyingcys/bflb_tools/releases/download/v1.0.4/bouffalo_flash_cube-macos.zip)/[bouffalo_flash_cube-macos.tar.gz](https://gitee.com/flyingcys/bflb_tools/releases/download/v1.0.4/bouffalo_flash_cube-macos.tar.gz)
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- 烧录工具下载地址3:
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[bouffalo_flash_cube-win.zip](https://github.com/flyingcys/bflb_tools/releases/download/v1.0.4/bouffalo_flash_cube-win.zip)/[bouffalo_flash_cube-win.tar.gz](https://github.com/flyingcys/bflb_tools/releases/download/v1.0.4/bouffalo_flash_cube-win.tar.gz)
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[bouffalo_flash_cube-linux.zip](https://github.com/flyingcys/bflb_tools/releases/download/v1.0.4/bouffalo_flash_cube-linux.zip)/[bouffalo_flash_cube-linux.tar.gz](https://github.com/flyingcys/bflb_tools/releases/download/v1.0.4/bouffalo_flash_cube-linux.tar.gz)
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[bouffalo_flash_cube-macos.zip](https://github.com/flyingcys/bflb_tools/releases/download/v1.0.4/bouffalo_flash_cube-macos.zip)/[bouffalo_flash_cube-macos.tar.gz](https://github.com/flyingcys/bflb_tools/releases/download/v1.0.4/bouffalo_flash_cube-macos.tar.gz)
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### 3.2. GUI方式下载
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1. 连接好串口并在工具上选择对应的串口号
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2. 打开对应芯片文件夹下的flash_prog_cfg.ini文件
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3. 按住开发板上的boot按钮后重新上电,进入下载状态
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4. 点击"Download"开始下载
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2023-06-30 06:50:24 +08:00
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![Flash Download](figures/bouffalo_flash_cube.png)
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2023-05-04 11:49:38 +08:00
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2023-03-19 14:41:18 +08:00
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### 3.2. 命令行下载
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2023-05-04 11:49:38 +08:00
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命令行下载可使用`bsp/bouffalo_lab`目录下的`bouffalo_flash_cube.sh`脚本,输入`./bouffalo_flash_cube.sh bl616 /dev/ttyUSB1`,脚本会自动采用curl命令行方式下载`bouffalo_flash_cube`。
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如自动下载失败,可采用手工方式下载对应操作系统文件后保存至`libraries/bl_mcu_sdk/tools/bflb_tools/bouffalo_flash_cube`目录。
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其中:
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2023-05-29 09:47:25 +08:00
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- bl616:芯片名称(bl808:三核同时下载;或者输入:bl808-m0/bl808-lp/bl808-d0分别烧录对应的核,但是m0必须要烧录才能运行)
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- /dev/ttyUSB1:下载串口号,linux下为/dev/ttyUSBx或/dev/ttyACMx,windows下为COMx
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### 4. 运行
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如果编译 & 烧写无误,当复位设备后,会在串口上看到RT-Thread的启动logo信息:
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2023-06-30 06:50:24 +08:00
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![terminal](figures/rt-thread.png)
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## 5. 支持开发板列表
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| | 开发板型号 |
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| ----- | ---------------------- |
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| bl602 | BL602-IoT-3S/BL-HWC-G1 |
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| bl702 | Maix Zero Sense |
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| bl616/bl618 | M0S Dock/M0P Dock |
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| bl808 | M1s Dock |
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## 6. 驱动支持列表
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| 驱动 | 支持情况 | 备注 |
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| :--- | :------- | :---------------- |
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| UART | 支持 | 默认波特率2000000 |
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| GPIO | 支持 | |
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| I2C | 支持 | |
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| SPI | 支持 | 支持DMA |
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| PWM | 支持 | |
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| ADC | 支持 | |
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| RTC | 支持 | |
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| WDT | 支持 | |
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| HWTIMER | 支持 | |
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| FLASH | 支持 | |
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2023-06-30 06:50:24 +08:00
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| SDCARD | 支持 | |
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2023-11-25 22:54:24 +08:00
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| Wi-Fi | 支持 | 仅 BL808 支持 |
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## 7. 联系人信息
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维护人:[flyingcys](https://github.com/flyingcys)
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## 8. 参考
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* 芯片[datasheet][2]
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2023-04-18 21:18:56 +08:00
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[1]: https://www.rt-thread.org/download.html#download-rt-thread-env-tool
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2023-03-19 14:41:18 +08:00
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[2]: https://github.com/bouffalolab/bl_docs
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