KNX: Add Read reply for Power

[ascillato]

Description:

KNX: Add Read reply for Power

This fix adds:

RAM: + 0 bytes
Flash: + 384 bytes for KNX version

Related issue (if applicable): fixes #9236

Checklist:

• The pull request is done against the latest dev branch
• Only relevant files were touched
• Only one feature/fix was added per PR and the code change compiles without warnings
• The code change is tested and works on Tasmota core ESP8266 V.2.7.4.7
• The code change is tested and works on Tasmota core ESP32 V.1.0.4.2
• I accept the CLA.

NOTE: The code change must pass CI tests. Your PR cannot be merged unless tests pass

[martiko70]

Hi,
unfortunately, this is still not working for me... The read command for power is received but the current power value is not sent to KNX, the console shows this:

08:13:14 KNX: Received from 1.3.80 Command Read: 0 to Reply Power
(The current Power is approx. 60 Watt as the Plug is powerd on)

The periodical sent of power to the conifgured KNX-GA is still working fine, I configures 120 seconds, so every 2 Minutes in the console shows:

08:18:03 KNX: Power sent to 1.3.80

And then, the value is also received by KNX, as I see in the Groupmonitor, e.g.

# | Zeit | Dienst | Flags | Prio | Quelladresse | Quellname | Zieladresse | Zielname | Rout | Typ | DPT | Info
-- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | --
38 | 21.11.2020 08:20:03,785 | vom Bus |   | Niedrig | 1.0.80 | Plug-01-IP | 1/3/80 | Portabel - Plug-01 - Stromverbrauch | 5 | GroupValueWrite | 14.* 4-Byte Gleitkommawert | 42 6E 00 00 \| 59,5

Any idea?

PS: I have installed version 9.1.0.2(knx)