add Makefile target to massage log data

diff --git a/Makefile b/Makefile
index dd82311de0d39e09da94c87fdde440124f13cdfb..7a650c1079f7ded44827a4d77b4058d52087b671 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -2,3 +2,16 @@ BOARD_TAG=uno
 MONITOR_PORT=/dev/ttyACM0
 # ARDUINO_SKETCHBOOK=~/sketchbook
 include /usr/share/arduino/Arduino.mk
+
+all: $(CURDIR)
+
+# log is the result of
+# annotate-output ./log_mhz19.py -d /dev/ttyACM3 | tee -a log
+# and we want log.csv for plot_mhz19.py
+log.csv: log
+       cp $< $@
+       fromdos $@
+       sed -i -e '/Started/ d' -e 's/ O: /,/g' $@
+       perl -ni -e 'BEGIN{$$i=0}; print if ($$_ !~ /CO2/ || $$i == 0); $$i++;' $@
+
+.PHONY: log.csv