VE.Bus: AC Input 1 and 2 issues on Quattro when input 1 configuration is set to "Not available"

[vejpasop]

Affected systems Venus OS V3.52 with Quattro(s)

AC input source and power display goes wrong in overview screen when AC input 1 is configured as "Not Available"
GUI V1 works ok.

1)

Displayed state with **AC input 1 not connected and AC input 2 connected **
(This should show grid power since AC input 2 is connected to AC)

2)

Initial state: AC input 1 is configured as "Generator" and AC input 2 is configured as "Grid". AC input 1 is not connected and AC input 2 is connected.

Now change the AC input configuration to set AC input 1 configured as "Not Available"

This result in:

vebus_interface dbus recording

The below attached dbus recording contains the following events

1. (Initial state) AC in 1 connected, AC in 2 not connected, Input configuration: AC in 1 "Generator", AC in 2 "Grid"
2. Switch AC inputs -> AC in 1 not connected -> AC in 2 connected
3. Change input configuration -> AC in 1 "Not Available", AC in 2 "Grid"
4. Switch AC inputs -> AC in 1 connected, AC in 2 not connected

vebus_input_config_change.csv

[blammit]

Investigated this further. Basically, the AC-in configuration is like this:

system /Settings/SystemSetup/AcInput1 = 0 (Not available)
system /Settings/SystemSetup/AcInput2 = 1 (Grid)
vebus /Ac/ActiveIn/ActiveInput = 1 (connected to AC-in 2, i.e. the Grid)

These values show AC-in 1 is not connected, and AC-in 2 is connected. At the same time, the system values show that /Ac/In/0 is connected, while /Ac/In/1 is not connected:

system /Ac/In/0/Connected = 1
system /Ac/In/0/ServiceName = vebus
system /Ac/In/1/Connected = -
system /Ac/In/1/ServiceName = -

This is because /Ac/In/0 refers to "the first available AC input on the system". It does not mean AC-in 1. So the bug is that gui-v2 assumes /Ac/In/0 refers to AC-in 1, even though it does not.

[blammit]

Discussed this further and this appears to be a less common case, as typically AC-in 1 is used when there is only one AC input.