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[knx] Improve documentation for DPT 1.009 (#14510)

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Carryover from smarthomej/addons#73.

Also-by: Jan N. Klug github@klug.nrw

Signed-off-by: Holger Friedrich <mail@holger-friedrich.de>
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Holger Friedrich 2023-02-26 18:56:16 +01:00 committed by GitHub
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10
bundles/org.openhab.binding.knx/README.md
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@ -14,10 +14,6 @@ Since the protocol is identical, the KNX binding can also communicate with it tr
The KNX binding supports two types of bridges, and one type of things to access the KNX bus. The KNX binding supports two types of bridges, and one type of things to access the KNX bus.
There is an _ip_ bridge to connect to KNX IP Gateways, and a _serial_ bridge for connection over a serial port to a host-attached gateway. There is an _ip_ bridge to connect to KNX IP Gateways, and a _serial_ bridge for connection over a serial port to a host-attached gateway.
## Binding Configuration
The binding itself does not require any special configuration.
## Bridges ## Bridges
The following two bridge types are supported. Bridges don't have channels on their own. The following two bridge types are supported. Bridges don't have channels on their own.
@ -124,6 +120,9 @@ Note: After changing the DPT of already existing Channels, openHAB needs to be r
|-----------|---------------|-------------| |-----------|---------------|-------------|
| ga | Group address | 1.009 | | ga | Group address | 1.009 |
*Attention:* Due to a bug in the original implementation, the states for DPT 1.009 are inverted (i.e. `1` is mapped to `OPEN` instead of `CLOSE`).
A change would break all existing installations and is therefore not implemented.
##### Channel Type "number" ##### Channel Type "number"
| Parameter | Description | Default DPT | | Parameter | Description | Default DPT |
@ -189,6 +188,9 @@ If from the KNX bus a `GroupValueRead` telegram is sent to a *-control Channel,
|-----------|---------------|-------------| |-----------|---------------|-------------|
| ga | Group address | 1.009 | | ga | Group address | 1.009 |
*Attention:* Due to a bug in the original implementation, the states for DPT 1.009 are inverted (i.e. `1` is mapped to `OPEN` instead of `CLOSE`).
A change would break all existing installations and is therefore not implemented.
##### Channel Type "number-control" ##### Channel Type "number-control"
| Parameter | Description | Default DPT | | Parameter | Description | Default DPT |