Differences

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--- projects:carmon [2016/11/15 10:30]
admin
+++ projects:carmon [2019/09/06 07:56]
admin [Data processor]
@@ Line 13: / Line 13: @@
 ==== Central database and expert system ====
 ==== Data processor ====
-  * Get distance between DPF rejuvenations
+== Display distance between DPF rejuvenations ==
 <code>
-$ grep CME * | cut -d ',' -f 4 | gawk --non-decimal-data '{aa = sprintf("%d", "0x" $0); print aa}'
+$ 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
+</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>