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projects:carmon [2016/11/15 18:10]
admin
projects:carmon [2019/09/06 07:56]
admin [Data processor]
Line 15: Line 15:
 == Display distance between DPF rejuvenations == == Display distance between DPF rejuvenations ==
 <​code>​ <​code>​
-$ grep DPFDIST * | cut -d ','​ -f 4 | gawk '{aa = strtonum("​0x"​ $0); print aa}' > /​tmp/​dpfdist+$ grep DPFDIST * | cut -d ','​ -f 4 | 
 +  ​gawk '{aa = strtonum("​0x"​ $0); if ((aa < 200) && (aa > 5)) print aa; if ((aa > 180) && (aa < 300)) {print aa / 2; print aa / 2}}' > /​tmp/​dpfdist
 $ echo "set terminal x11; set grid; plot '/​tmp/​dpfdist'​ with lines" | gnuplot -p $ echo "set terminal x11; set grid; plot '/​tmp/​dpfdist'​ with lines" | gnuplot -p
 </​code>​ </​code>​
 +== Display Injector corrections == 
 +<​code>​ 
 +$ grep ECU01AD * | cut -d ','​ -f 3 | 
 +  gawk '​BEGIN{prev=""​} {curr=substr($0,​ 35, 8); if (curr != prev) \ 
 +  {i1=strtonum("​0x"​ substr(curr,​ 1, 2)); i2=strtonum("​0x"​ substr(curr,​ 3, 2)); \ 
 +  i3=strtonum("​0x"​ substr(curr,​ 5, 2)); i4=strtonum("​0x"​ substr(curr,​ 7, 2)); \ 
 +  print i1-64, i2-64, i3-64, i4-64, i1+i2+i3+i4-256;​ prev=curr} }' > /​tmp/​injraw 
 +$ cut -d ' ' -f 1 /tmp/injraw > /​tmp/​inj1raw 
 +$ cut -d ' ' -f 2 /tmp/injraw > /​tmp/​inj2raw 
 +$ cut -d ' ' -f 3 /tmp/injraw > /​tmp/​inj3raw 
 +$ cut -d ' ' -f 4 /tmp/injraw > /​tmp/​inj4raw 
 +$ grep -v "0 0 0 0 0" /tmp/injraw | cut -d ' ' -f 5 > /​tmp/​injsumraw 
 +$ echo "set terminal x11; set grid; plot '/​tmp/​inj1raw'​ with lines" | gnuplot -p 
 +$ echo "set terminal x11; set grid; plot '/​tmp/​inj2raw'​ with lines" | gnuplot -p 
 +$ echo "set terminal x11; set grid; plot '/​tmp/​inj3raw'​ with lines" | gnuplot -p 
 +$ echo "set terminal x11; set grid; plot '/​tmp/​inj4raw'​ with lines" | gnuplot -p 
 +$ echo "set terminal x11; set grid; plot '/​tmp/​injsumraw'​ with lines" | gnuplot -p 
 +</​code>​ 
 +== Display DPF differential pressure == 
 +<​code>​ 
 +$ grep ECU01EF * | cut -d ','​ -f 3 | gawk '{aa = strtonum("​0x"​ $0); print aa / 256.0 - 5.0}' > /​tmp/​dpfdp 
 +$ echo "set terminal x11; set grid; plot '/​tmp/​dpfdp'​ with lines" | gnuplot -p 
 +</​code>​ 
 +== Detect data loss == 
 +<​code>​ 
 +$ find ./ | sort | while read line ; do echo $line; grep ECU $line | cut -d ','​ -f 1 | 
 +  gawk '​BEGIN{pt = -1} {ct = substr($0, 13); if (pt != -1) \ 
 +  {difft = ct - pt; if (difft < 0) difft += 60000; if ((difft > 30) && (difft < 500)) \ 
 +  print pt,​ct,​difft,​pts,​$0,​$0-pts};​ pts = $0; pt = ct}' ; done > /​tmp/​result 
 +</​code>​
projects/carmon.txt · Last modified: 2019/09/06 07:58 by admin
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