This crate implements the embedded-hal abstractions for the Holtek HT32F5xxxx chip family. Its original purpose is to serve as a platform for porting the anne-key project on to the Anne Pro 2 PCB which uses a HT32F52342 MCU.

Collaboration on this crate is highly welcome, as are pull requests!

Every piece of code in this crate has only been tested on the HT32F52352 it might be able to work out of the box on other members of the HT32F5xxxx family (which is very likely as Holtek only provides one firmware package for the entire family) but has not been tested or ever run there.

The examples folder contains several example programs. To compile them, one must specify the target device as cargo feature:

$ cargo build --features=ht32f52342_52,rt

If you want to try one of the provided examples you should install the awesome cargo-embed cargo subcommand which allows you to both flash and interact with the Holtek MCU via RTT in the following manner:

cargo-embed --features=ht32f52342_52,rt --example=spi --release

To use this crate as a dependency in a standalone project the target device feature must be specified in the Cargo.toml file:

[dependencies]
cortex-m = "0.6.2"
cortex-m-rt = "0.6.12"
ht32f5xxxx-hal = {version = "0.0.1", features = ["ht32f52342_52","rt"]}