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Rust starter project for the @electro-smith Daisy Seed

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# hello-daisy

Rust starter project for the @electro-smith [Daisy Seed](https://www.electro-smith.com/daisy/daisy).

## Dependencies

### Install arm target for Daisy

rustup target add thumbv7em-none-eabihf

### Install gdb

# install via macports (TODO homebrew, linux, windows)
    sudo port install arm-none-eabi-gdb

### Install openocd

Install from source or get it from: https://xpack.github.io/openocd/install/

## Generate project

cargo install cargo-generate

cargo generate \
        --git https://github.com/antoinevg/hello-daisy \
        --name your-project-name

## Flash and run

1. Plug a [2x10 mini adapter](https://www.mouser.com/ProductDetail/Olimex-Ltd/ARM-JTAG-20-10?qs=%2Fha2pyFaduimZ3uNdhcul1TKdFseYHCwn8utVVzKdZk85XwbGkysHA%3D%3D) into the Daisy Seed with the red stripe facing up towards the white stripe.
1. Connect the other end to a [ST-Link](https://www.mouser.com/ProductDetail/STMicroelectronics/ST-LINK-V2?qs=sGAEpiMZZMu3sxpa5v1qrqPIYHPyeOmOUBuCAg6HF1c%3D) or similiar programmer.
1. Start openocd in one terminal:

cd /path/to/{{project-name}}
        /path/to/openocd

1. Run program in another terminal:

cd /path/to/{{project-name}}
        cargo build

# some programmers may need you to hit the reset button on the Daisy Seed at this point

cargo run

### ITM logging support (optional)

1. Enable the `"log-itm"` feature for the `daisy_bsp` create in `Cargo.toml`:

daisy_bsp = { version = "0.3.0", features = ["log-itm"]  }

2. Edit the following files to enable ITM support:

* `openocd.cfg`
  * `openocd.gdb`

3. Then run:

touch /tmp/itm.fifo
    itmdump -F -f /tmp/itm.fifo

More information: https://github.com/stm32-rs/stm32h7xx-hal/blob/master/examples/ITM.md

## Discussion

https://forum.electro-smith.com/t/rust-starter-for-daisy-seed/

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