Adafruit Matrix Portal M4 开发板支持包

本包提供了一个类型安全的API，用于与Adafruit Matrix Portal M4 开发板交互。

先决条件

• 安装交叉编译工具链 rustup target add thumbv7em-none-eabihf
• 安装 cargo-hf2 hf2引导加载程序闪存工具，具体取决于您的平台

上传示例

查看仓库中的示例

https://github.com/atsamd-rs/atsamd/tree/master/boards/matrix_portal_m4/examples

• 位于此目录 cd boards/matrix_portal_m4
• 将设备置于引导加载程序模式，通常通过连续按两次重置按钮来实现。
• 一步构建和上传

$ cargo hf2 --release --example blinky_basic --vid 0x239a --pid 0x00c9
    Finished release [optimized] target(s) in 0.74s
    Trying  Ok(Some("Adafruit Industries")) Ok(Some("Matrix Portal M4"))
    Flashing "/Users/User/atsamd/boards/matrix_portal_m4/target/thumbv7em-none-eabihf/release/examples/blinky_basic"
    Finished in 0.051s

$ cargo hf2 --release --example pwm  --vid 0x239a --pid 0x00c9 --features="unproven"
    Finished release [optimized] target(s) in 0.67s
    Trying  Ok(Some("Adafruit Industries")) Ok(Some("Matrix Portal M4"))
    Flashing "/Users/User/atsamd/boards/matrix_portal_m4/target/thumbv7em-none-eabihf/release/examples/pwm"
    Finished in 0.146s

Matrix Portal M4

PCB文档 Adafruit引脚图