# Changelog

## 0.5.0 -- unreleased

- Rust 1.63 is now required.
- Fixed-length string types in `ads::strings` are now using const generics
  instead of macro-created types.
- Array bounds can be negative, change type in symbol info (#13).

## 0.4.2 -- Sep 2022

- Fix a problem with long comments in symbol info (#8).

## 0.4.1 -- Aug 2022

- Add `Handle::raw` to get the u32 handle ID.

## 0.4.0 -- Jun 2022

- Support asking the AMS router for an open port.  This is required when
  connecting to a PLC on 127.0.0.1.
- Support for directly reading Rust types from `Device`s and `symbol::Handle`s
  using `read_value`/`write_value`.
- Support the "sum-up" requests from `Device`, which can run multiple
  read/write/read-write/notif requests in a single ADS request-reply cycle.
- Add the `strings` module with the possibility to create fixed-length string
  types corresponding to the PLC's `STRING` and `WSTRING`.
- Add more known ADS states.
- Document the `symbol::Symbol` and `symbol::Type` flags.
- Add an adstool command to list AMS routes on the target.
- Add an adstool subcommand to list type inventory.

## 0.3.1 -- May 2022

- Fix Rust 1.48 compatibility.

## 0.3.0 -- May 2022

- Add `symbol::get_symbol_info()` and related structs.
- Add an adstool option to automatically set a route.
- Add an adstool subcommand to query module licenses.
- Add an adstool command to query the target description.

## 0.1.1 -- Nov 2021

- Add `Client::source()`.
- Add `Client::write_read_exact()`.
- Add `symbol::get_size()` and `symbol::get_location()`.
- Add more known index groups.
- Support system info from TC/RTOS.
- Display ADS errors in hex.
- Many improvements to the adstool example.

## 0.1.0 -- Nov 2021

- Initial release.