Commit b685b39d authored by Yongjing Zhang's avatar Yongjing Zhang

move change log to ChangLog.md

parent 40504945
......@@ -8,18 +8,6 @@ Note that this project runs under the 3-Clause BSD License. Read the [LICENSE](L
Any contributions made to this project must comply with the aforementioned license.
This version contains the following changes comparing to Version 3.0:
1. Rename 'Device' to 'DeviceClass'
2. Remove 'Module' to simplify the SDT model
3. Introduced 'Product' for concrete model definition of real products.
4. Support JSON serialization
5. Support inheritance of 'DeviceClass'
6. Enum type ...
7. Data Type Facets ...
8. ...
*Editor's note: the current change log is just an examplary list (a projection), which lists some initial thoughts that the group is working on based on previous discussion. It needs to be revisited according to all implemented features before SDT4.0 publication.*
## Quick Introduction
The Smart Device Template (SDT) is a template which is used to model the capabilities, actions and events of connected devices. The intent of the SDT is to be able to model any type of connected device using a well accepted and standardised format. The main application of SDT is to enable a uniformly structured Application Programmer's Interface (API) to applications that need to interact with connected devices. Usually, these applications would communicate to devices using an Abstraction Layer as an intermediary logic. The Abstraction Layer "hides" the technology-specific, native language format of devices of different technology type from the applications.
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# Changelog
## Changes in 4.0
- Rename 'Device' to 'DeviceClass'
- Remove 'Module' to simplify the SDT model
- Introduced 'Product' for concrete model definition of real products.
- Support JSON serialization
- Support inheritance of 'DeviceClass'
- Enum type ...
- Data Type Facets ...
- ...
*Editor's note: the current change log is just an examplary list (a projection), which lists some initial thoughts that the group is working on based on previous discussion. It needs to be revisited according to all implemented features before SDT4.0 publication.*
## Changes in 3.0
- Renamed ``<RootDevice>``to ``<Device>`` and ``<Device>`` to ``<SubDevice>``,
......@@ -18,7 +27,7 @@
- Added *Constraints* to ``<DataType>``.
- Added optional *name* attribute to ``<DataType>``. This mandatory for elements of a *struct*.
- Restructured the [RNG](SDT/schema3.0/src/domain.rng) file for better readability and maintainability.
- In the [RNG](SDT/schema3.0/src/domain.rng)/[XSD](SDT/schema3.0/src/domain.xsd): Changed cardinality of the occurrence of elements that are part of a list of elements (e.g. ``<SubDevices><SubDevice>…</SubDevice></SubDevices>`` from „zero or more“ to „one or more“ when the surrounding list element itself is optional (to avoid empty lists).
- In the [RNG](SDT/schema3.0/src/domain.rng)/[XSD](SDT/schema3.0/src/domain.xsd): Changed cardinality of the occurrence of elements that are part of a list of elements (e.g. ``<SubDevices><SubDevice>...</SubDevice></SubDevices>`` from "zero or more" to "one or more" when the surrounding list element itself is optional (to avoid empty lists).
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