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Dear Thex,
I try to get four warema ewfs controlled shutters/awnings workinh with RFControl library, but keeping it on an AVR (ATTiny85 is planned).
The person, who have them bought the flat some weeks ago and do not like the 8 channel remote control. She prefers the simple wall switch typically used for awnings. So I want to integrate the ATTiny85/433MHz TX in a on-wall switch for each shutter/awning with a battery, using the "raw data play" as simple alterantive to the remote control. (She is not interested in smart home, so the ESP solution is not in focus)
My issue is the same you had and mentioned on the picmatic.org forum (https://forum.pimatic.org/topic/2207/controlling-warema-ewfs-awning-shutter-with-rawshutter-protocol), but even not DOWN is working. I recorded the compressed raw data with the library as well as play them with this library. No raw sequence is working on any channel. I checked the synthetic data with an logic analyser with separate 433MHZ RX and tried to vary the timing a little bit. No luck.
Did you finally found the clue to get all commands working?

Regards, myqel

With ESP8266 Board support package V3.0.0 an exception is issued whenever an interrupt occurs:

[...]
connected...yeey :)
HTTP server started
local ip:
192.168.156.166
*WM: freeing allocated params!
pm open,type:2 0
handleReceive()
ISR not in IRAM!

User exception (panic/abort/assert)
--------------- CUT HERE FOR EXCEPTION DECODER ---------------

Abort called

>>>stack>>>
[...]

This is not specific to esp8266_RFControl. I found a hint to fix the issue in RFControl-master/RFControl.cpp line 287 as follows:

void handleInterrupt() {

by

void ICACHE_RAM_ATTR handleInterrupt() {