Mercurial > public > mk2
view code_part1/OSTC_code_asm_part1/spbrgselect.inc @ 241:f44274d8440a
Model cleanups.
+ Fix look for current gas.
+ Minor optimize.
+ Fix needs to remember last switch gas depth, too.
+ Always take deepest gas.
+ Optimize by limiting search to 10m/min ascent.
+ FIX ascending 10m is 0.9985 bar.
+ FIX typos 9995 --> 9985
author | JeanDo |
---|---|
date | Mon, 21 Mar 2011 20:50:52 +0100 |
parents | 96a35aeda5f2 |
children |
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RoundResult SET 0 ; Rounding function. RoundResult = Round(aa/bb) Round macro aa,bb LOCAL rr = aa/bb LOCAL d1 = aa - rr*bb LOCAL d2 = (rr+1)*bb - aa RoundResult = rr if d1 >= d2 RoundResult++ endif endm AbsResult SET 0 Abs macro nr if nr>=0 AbsResult = nr else AbsResult = -nr endif endm Round xtal,(16*baud) spbrg_value EQU RoundResult-1 Round xtal,(16*(spbrg_value+1)) baud_real EQU RoundResult Abs(baud_real-baud) errpercent EQU AbsResult*100/baud if errpercent > 4 ERROR big error in baudrate: #v(errpercent)% endif if errpercent >= 2 messg baudrate not exact: #v(errpercent)% endif