TGI,

Correct you were on the first part, I had that in my code, I watered the code down a bit for the forum. I've corrected that math error for clarity here. Thanks.

As for the write_bg, that's something I'll definitely try. Never used that before.

As for the clock on the device I'm writing to...not really important, because the recieving device loops and waits for 2 bytes of input. As soon as the receiving device gets it's 2 bytes, it takes actions based on the data code it received. The sending device (as you can guess by the code) is a windows pc.

In reply to Re^2: Serial Port timing and write blocking? by worldsight
in thread Serial Port timing and write blocking? by worldsight

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