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README.md

nRF51822 BSP说明

简介

该文件夹主要存放所有主芯片为nRF51822的板级支持包。目前默认支持的开发板是Micro:bitV1.5 本文主要内容如下：

  • 开发板资源介绍
  • 进阶使用方法

开发板介绍

Microbit是BCC基于nordic的mcu nrf51822的开发板，基于ARM Cortex-M0内核，最高主频64 MHz，具有丰富的外设资源。

开发板外观如下图所示

nrf51822 开发板常用 板载资源 如下：

  • MCU：NRF51822，主频 16MHz，256kB FLASH ，16kB RAM
  • MCU 外设: GPIO, UART, SPI, I2C(TWI), RTC,TIMER,PWM,ADC
  • 板载外设
    • LED墙：25个，矩阵控制。
    • 按键：3个，2个USER and 1个RESET 。
    • 三轴加速度传感器: LSM303AGR
    • CMSIS-DAP: KL26Z调试器
  • 调试接口：板载CMSIS-DAP 调试器。

更详细的整理的资料见nrf51822

官方主页nrf51822

外设支持

本 BSP 目前对外设的支持情况如下：

片上外设 支持情况 备注
GPIO 待支持
UART 支持 UART0

进阶使用

此 BSP 默认只开启了串口 0 的功能，更多高级功能需要利用 env 工具对 BSP 进行配置，步骤如下：

  1. 在 bsp 下打开 env 工具。

  2. 输入menuconfig命令配置工程，配置好之后保存退出。

  3. 输入pkgs --update命令更新软件包。

  4. 输入`scons --target=mdk5命令重新生成工程。

支持其他开发板

可以在board/Kconfig里面的bsp choice里面添加对应的其他开发板

联系人信息

维护人:

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