# Changelog

## 0.35.1
- Bugfix POM only ever acknowledged once ([#15](https://github.com/ZIMO-Elektronik/DCC/issues/15))
- Bugfix operator precedence ([#24](https://github.com/ZIMO-Elektronik/DCC/issues/24))

## 0.35.0
- Add `dcc::Packet` and `std::span` overloads to `decode_address`
- Add `dcc::Packet` and `std::span` overloads to `decode_instruction`
- Block `rx::CrtpBase::execute` during BiDi cutout
- Bugfix POM ID0 datagrams may only be sent in BiDi cutouts following CV access commands ([#15](https://github.com/ZIMO-Elektronik/DCC/issues/15))

## 0.34.0
- Add datagram method to `rx::bidi::CrtpBase` to queue dyn (ID7) datagrams
- Replace `int32_t` direction (1, -1) with `bool` (1, 0)
- Remove decoders `emergencyStop` API and replace it with `speed(-1)`
- Add `Direction` and `Speed` enumerations
- Rename `bidi::Speed` to `bidi::Kmh` to avoid ambiguity
- Rename `tx::Config::preamble_bits` to `num_preamble` to match RMT configuration

## 0.33.1
- Add `DCC_TX_MAX_PREAMBLE_BITS` definition

## 0.33.0
- Limit number of preamble bits of RMT encoder to 30
- Rename `dcc_encoder_config_t::cutoutbit_duration` to `bidibit_duration`
- Remove optional mduEntry
- Bugfix standard compliant CV28
  - Logon must be enabled by CV28:7 and ignores CV28:1 and CV28:0
- Bugfix standard compliant RCN-217
  - Reply with active address in channel 1 (instead of just primary)
- Bugfix standard compliant RCN-218
  - Logon address is only temporary

## 0.32.0
- Individual timings for namespace `dcc::rx` and `dcc::tx`
- Move `time2bit` to namespace `dcc::rx`
- Bugfix RMT encoder [#13032](https://github.com/espressif/esp-idf/issues/13032)

## 0.31.0
- Changes to namespace `dcc::tx`
  - Rename `raw2timings` to `bytes2timings`
  - Rename `CrtpBase::raw` to `CrtpBase::bytes`

## 0.30.0
- Use `speed` instead of `notch`
- Update to ZTL 0.18.0

## 0.29.1
- Don't receive packets <=3 bytes

## 0.29.0
- Standardize tip-off search (use broadcast XF2 instead of reserved address 253)
- Standardize track voltage datagram (5V offset)

## 0.28.1
- Remove arbitrary RMT preamble limit

## 0.28.0
- More sophisticated packet
- `// [[fallthrough]];` not recognized by GCC

## 0.27.1
- Dependencies can be provided externally

## 0.27.0
- API change to transmitBiDi

## 0.26.2
- API changes to bytewise CV read

## 0.26.1
- Bugfix QoS datagram not written to deque

## 0.26.0
- API changes to bitwise CV read

## 0.25.0
- BiDi dyn datagrams get added from execute method
- Add BiDi temperature datagram (ID7, subindex 26)
- CV15/16 the values 0 can no longer activate the lock

## 0.24.1
- Short and long addresses are considered equal if their values are
- `make_*_packet` functions
- Bugfix QoS datagram wasn't thread safe

## 0.24.0
- Rename `serviceMode` to `serviceModeHook`

## 0.23.0
- `time2bit` returns `Bit` enum instead of `std::optional` (overhead is pretty significant)

## 0.22.2
- Use CPM.cmake

## 0.22.1
- Bugfix service mode does not ignore idle packets

## 0.22.0
- Add consist control

## 0.21.4
- Top two bits of CV17 must always be set

## 0.21.3
- Update to ZTL 0.16.0

## 0.21.2
- Bugfix tip-off search is restarted if track voltage fails

## 0.21.1
- LOGON_ASSIGN CRC must be calculated before 6/8 encoding

## 0.21.0
- Mainline RCN-218
- LOGON_ENABLE does not have CRC
- LOGON_SELECT uses 6/8 encoding

## 0.20.1
- Add proprietary CV20

## 0.20.0
- Minimal implementation of (crippled) RCN-218
- Update to ZTL 0.15.0

## 0.19.0
- Update to ZTL 0.14.0
- [Semantic versioning](https://semver.org)
- Renamed concept Impl to Decoder
- Renamed namespace receive to rx

## 0.18
- Update to ZTL 0.13

## 0.17
- Update to ZTL 0.12

## 0.16
- Allow bit verify and bit write in operations mode

## 0.15
- Set CV29:5 in short form of configuration variable access

## 0.14
- Direction bits (CV29:1 and CV19:7)

## 0.13
- Receive must clear packet_end_ immediately

## 0.12
- Increase deque size to 31

## 0.11
- Non-linear scaling for 14 and 28 speed steps (minimum speed is equal with 126 speed steps)

## 0.10
- Make count variables size_t (for performance reasons)

## 0.9
- Removed CMake exports
- Update to ZTL 0.11

## 0.8
- Default paged mode index register to 1

## 0.7
- Bugfix short addresses must also work in CV17/18

## 0.6
- Added register mode

## 0.5
- Removed rolling stock search
- Bugfix function group command must also respect exception for F0

## 0.4
- Stretched 0 bits are no longer mistaken for 1 bits

## 0.3
- New service mode which does not rely on preventing optimizations

## 0.2
- CV28:6 high-current BiDi support

## 0.1
- First release

Links

Supports all targets

Maintainer

  • Vincent Hamp <hamp@zimo.at>

License: MPL-2.0

To add this component to your project, run:

idf.py add-dependency "zimo-elektronik/dcc^0.35.1"

or download archive

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