Differences

This shows you the differences between two versions of the page.

--- projects:carmon [2016/12/24 08:41] – [Data processor] admin
+++ projects:carmon [2026/10/25 19:30] (current) – external edit 127.0.0.1
@@ Line 16: / Line 16: @@
 <code>
 $ grep DPFDIST * | cut -d ',' -f 4 |
-  gawk '{aa = strtonum("0x" $0); if ((aa < 200) && (aa > 5)) print aa}' > /tmp/dpfdist
+  gawk '{aa = strtonum("0x" $0); if ((aa < 180) && (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>
@@ Line 37: / Line 37: @@
 $ 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>