Indoor and outdoor temperature

[mruna1]

Following what is shown in NetHome Plus for Midea it shoud be sothething like:

They count (d - 50) / 2 as double but put only integer of this.
So this is exactly what should be in decode_temp:

def decode_temp(d: int) -> Optional[float]:
    return (int((d - 50) / 2) if d != 0xFF else None)

Next we have to add part after dot but must depend on temperature value negative or positive:

if self.indoor_temperature:
    if self.indoor_temperature < 0:
        self.indoor_temperature -= (payload[15] & 0xF) / 10
    else:
        self.indoor_temperature += (payload[15] & 0xF) / 10

if self.outdoor_temperature:
    if self.outdoor_temperature < 0:
        self.outdoor_temperature -= ((payload[15] & 0xF0) >> 4) / 10
    else:
        self.outdoor_temperature += ((payload[15] & 0xF0) >> 4) / 10

You can simplify if needed :)

After those changes we can see exactly what recomended NetHome Plus for Midea shows.
Perhaps they make a mistake taking only int part of temperature but to who we can believe?

[mill1000]

Thanks for the information. What's your reference for this change?

[mruna1]

I updated earlier post.

[mruna1]

I had to chanche again.
There was problem around -0.5 degrees.

Following what is shown in NetHome Plus for Midea it shoud be sothething like:

So now the code looks like this:

if self.indoor_temperature:
    if self.indoor_temperature < 0:
        self.indoor_temperature = int(self.indoor_temperature) - (payload[15] & 0xF) / 10
    else:
        self.indoor_temperature = int(self.indoor_temperature) + (payload[15] & 0xF) / 10

if self.outdoor_temperature:
    if self.outdoor_temperature < 0:
        self.outdoor_temperature = int(self.outdoor_temperature) - ((payload[15] & 0xF0) >> 4) / 10
    else:
        self.outdoor_temperature = int(self.outdoor_temperature) + ((payload[15] & 0xF0) >> 4) / 10

It looks they take negative 0.5 degree and later int od this.

Before this change temperature was jumping fron 0 to -1 and never was -0.5 degree.

Hope it's ending but I will comment this after some time as I will see what will happend.