433 MHz sendCommand problem

[rlkoshak (Rich Koshak)]

Commands cancel each other out?

What is likely happening is you are trying to send a new command over 433 before the last one is done being sent. When you call executeCommandLine without a timeout, the call immediately returns and leaves the shell script running in a separate thread. So when you have multiple calls to executeCommandLine in a row without a timeout all three will likely be running at the same time. And since you are dealing with wireless and serial devices (presumably) the commands are stomping on each other. …

Design Pattern: Gate Keeper

Edit: Updated for OH 4, removed Nashorn JS and Python examples as those libraries are no longer maintained. Please see Design Pattern: What is a Design Pattern and How Do I Use Them for a desciption of DPs. [image] Problem Statement There are some technologies that are sensitive to receiving multiple commands too close together. When they occur too close together commands get dropped or other problems may occur. Insteon and 433MHz are two such technologies with this problem. There are other …