Adafruit NeoTrellis M4 Express Board Support Crate

This crate provides a type-safe Rust API for working with the [Adafruit NeoTrellis M4 board].

Board Features

• Microchip [ATSAMD51G19A] Cortex-M4 microcontroller @ 120 MHz (32-bit, 3.3V logic and power)
  • 512kB Flash
  • 192kB SRAM
• 8 MB SPI Flash chip
• USB device controller (for e.g. MIDI)
• 4-JST hacking port with 3.3V power, ground, and two GPIO (can be I2C/ADC/UART)
• Analog Devices [ADXL343] triple-axis accelerometer

Optional trellis_m4 Cargo Features

The following optional hardware drivers can be enabled as cargo features:

• adxl343: [ADXL343] accelerometer support
• keypad-unproven: (alpha) support for button input via the [keypad] crate

To enable them, use the features option when adding a crate dependency to your Cargo.toml:

toml [dependencies] trellis_m4 = { version = "~0.1", features = ["adxl343", "keypad-unproven"] }

Examples?

Check out the repository for examples:

https://github.com/atsamd-rs/atsamd/tree/master/boards/trellis_m4/examples