Well,
I got my link serial interfaces, and started playing with things.
Things came up in a couple areas:
First, the programs seem to ignore --foreground and go to the background no matter what. Second, there is no debugging output for owfs or owserver. This seems quite wrong to me. I would like to do the classic multiple levels of d or v switches to be able to run the program with different levels of output and see what it's doing. For example, I had the protection set wrong on the tty, and the program silently exited. I have another one where I'm trying to get it onto an arm system with a cross compiled environment. Again the program exits silently, and I have no idea what's wrong. I may end up making one of the SBCs into a devel system and scrap the cross compiler (makes configure a mess...), but I should be able to debug the program to a limited degree with just itself. I am happy to discuss this more, but I am not up to adding this.
The other major area is that I wanted to try to compile the program without pthreads for the sbc, figuring that I didn't need it. There were a number of problems in files from owlib, clearly this hasn't been tried in a while. I'm not a great coder, but the changes are minimal. I'll attach diffs in a separate message for what I found.
I haven't gotten to the simultaneous reads yet. I would like to make sure that the cache invalidation has been added when simultaneous is set. My first tests for that will be calibration, which included adding groups of sensors on the net in the same conditions and getting offsets from a precise measurement. It's a pretty simple strategy for handling a large number of common sensors.
thanks, jerry
Jerry Scharf laguna way consulting
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