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Old 08-15-2013, 09:03 PM   #4 (permalink)
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Originally Posted by t vago View Post
All formatted data is now calculated once per display loop.
CPU workload per update loop is now between 2.1% and 3.1%.
FWIW, i did the calc-data-once thing, hoping to save resources, but it ended up wasting program space (plus the extra ram for the variables), so i de-changed it

I've also gotten my cpu load down to 3-5% on a 4x20 LCD, just by tweaking the LCD routines to meet the spec. The killer is delay2 (5 milliseconds) in LcdCommandWrite. It only needs to be 120 microsec. That should eliminate the need for that buffer you added.

BTW, replacing "sei" with "sreg=OLDsreg", as you recommended in the Chrysler thread, seems to have stopped my weely T2-overflow crashes. Thanks again!
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