Change support for qx-30x to extract device and button ID

[edco]

Per my comment on the initial support request for these devices, this PR adds ID and button extraction based on the EV1527 encoding.

@adminy would you be able to give this a try with your switches and share the ID and button values extracted? I'm hoping you've got a 2-gang QX-302, but I'm keen to see the output regardless.

[zuckschwerdt]

These changes won't break anything, even if you get no test confirmation please ping back for merge in a few days.

[edco]

These changes won't break anything, even if you get no test confirmation please ping back for merge in a few days.

Ping.

[adminy]

sure, I'll run a test tomorrow morning if that's okay.

[edco]

Sounds good.

[adminy]

So your config didn't work out of the box, I had to add extra fields, namely name, modulation, short

# QX-30X
#
# This decoder reads button presses from QX-302, QX-304 and QX-305 self powered
# switches. These switches appear to use an EV1527 based encoding, where the
# first 20 bits contain the device ID, the next 4 bits identify which button on
# the device was pushed, and there may be a trailing sync bit. A sample rate of
# around 1MHz is recommended to reliably detect these devices.
#

decoder {
    name        = QX-30X,
    modulation  = OOK_PWM,
    short       = 33,
    long        = 100,
    gap         = 150,
    reset       = 1500,
    bits       >= 24,
    bits       <= 25,
    get         = get=@0:{20}:id,
    get         = get=@20:{4}:button,
    unique
}

as for two gang switch, data is mostly the same:

{"time" : "2024-07-31 09:42:55", "model" : "QX", "count" : 6, "num_rows" : 8, "len" : 25, "data" : "631f9e8", "id" : 406009, "button" : 6}
{"time" : "2024-07-31 09:42:56", "model" : "QX", "count" : 6, "num_rows" : 8, "len" : 25, "data" : "631f9e8", "id" : 406009, "button" : 6}
{"time" : "2024-07-31 09:42:58", "model" : "QX", "count" : 1, "num_rows" : 2, "len" : 25, "data" : "635a5e8", "id" : 406949, "button" : 6}
{"time" : "2024-07-31 09:43:26", "model" : "QX", "count" : 2, "num_rows" : 4, "len" : 25, "data" : "5ca81e8", "id" : 379521, "button" : 5}
{"time" : "2024-07-31 09:43:29", "model" : "QX", "count" : 3, "num_rows" : 5, "len" : 25, "data" : "5ca81e8", "id" : 379521, "button" : 5}
{"time" : "2024-07-31 09:43:30", "model" : "QX", "count" : 4, "num_rows" : 6, "len" : 25, "data" : "5ca81e8", "id" : 379521, "button" : 5}
{"time" : "2024-07-31 09:43:30", "model" : "QX", "count" : 4, "num_rows" : 6, "len" : 25, "data" : "5ca81e8", "id" : 379521, "button" : 5}
{"time" : "2024-07-31 09:43:30", "model" : "QX", "count" : 4, "num_rows" : 6, "len" : 25, "data" : "5ca81e8", "id" : 379521, "button" : 5}
{"time" : "2024-07-31 09:43:39", "model" : "QX", "count" : 3, "num_rows" : 5, "len" : 25, "data" : "5ca81e8", "id" : 379521, "button" : 5}
{"time" : "2024-07-31 09:44:22", "model" : "QX", "count" : 4, "num_rows" : 6, "len" : 25, "data" : "4f003e8", "id" : 323587, "button" : 4}
{"time" : "2024-07-31 09:44:24", "model" : "QX", "count" : 5, "num_rows" : 7, "len" : 25, "data" : "4f003e8", "id" : 323587, "button" : 4}
{"time" : "2024-07-31 09:44:26", "model" : "QX", "count" : 4, "num_rows" : 6, "len" : 25, "data" : "4f003e8", "id" : 323587, "button" : 4}

[zuckschwerdt]

So your config didn't work out of the box, I had to add extra fields, namely name, modulation, short

Did you perhaps copy from the diff? The file seems complete (click the dots to the very right of the file name, then View File) https://github.com/merbanan/rtl_433/blob/dd57e1f879231b8c13530389284425d147681b3b/conf/qx-30x.conf

[adminy]

hahah, yeah, that's it.

[edco]

as for two gang switch, data is mostly the same:

It seems wrong that each one would have a different device ID. But then-again, I suppose it's entirely possible that they've put a completely separate transmitter board in each of the switches, rather than trying to wire up the generators from both switches to a single board and attempting to tell the board which button is being pushed while sending a brief pulse of power to it.

It seems to me like it's working.