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Document and fix '${varname}' usage

This commit is contained in:
David Sidrane 2016-12-12 14:24:01 -10:00 committed by Lorenz Meier
parent dec46927f7
commit dd2fe5d42f
1 changed files with 15 additions and 9 deletions
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24
ROMFS/px4fmu_common/init.d/rc.interface
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@ -2,6 +2,12 @@
#
# Script to configure control interface
#
#
# NOTE: environment variable references:
# If the dollar sign ('$') is followed by a left bracket ('{') then the
# variable name is terminated with the right bracket character ('}').
# Otherwise, the variable name goes to the end of the argument.
#
set SDCARD_MIXERS_PATH /fs/microsd/etc/mixers
@ -17,17 +23,17 @@ then
fi
# Use the mixer file from the SD-card if it exists
if [ -f $SDCARD_MIXERS_PATH/$MIXER.main.mix ]
if [ -f ${SDCARD_MIXERS_PATH}/${MIXER}.main.mix ]
then
set MIXER_FILE $SDCARD_MIXERS_PATH/$MIXER.main.mix
set MIXER_FILE ${SDCARD_MIXERS_PATH}/${MIXER}.main.mix
# Try out the old convention, for backward compatibility
else
if [ -f $SDCARD_MIXERS_PATH/$MIXER.mix ]
if [ -f ${SDCARD_MIXERS_PATH}/${MIXER}.mix ]
then
set MIXER_FILE $SDCARD_MIXERS_PATH/$MIXER.mix
set MIXER_FILE ${SDCARD_MIXERS_PATH}/${MIXER}.mix
else
set MIXER_FILE /etc/mixers/$MIXER.main.mix
set MIXER_FILE /etc/mixers/${MIXER}.main.mix
fi
fi
@ -133,14 +139,14 @@ then
set MIXER_AUX_FILE none
set OUTPUT_AUX_DEV /dev/pwm_output1
if [ -f $SDCARD_MIXERS_PATH/$MIXER_AUX.aux.mix ]
if [ -f ${SDCARD_MIXERS_PATH}/${MIXER_AUX}.aux.mix ]
then
set MIXER_AUX_FILE $SDCARD_MIXERS_PATH/$MIXER_AUX.aux.mix
set MIXER_AUX_FILE ${SDCARD_MIXERS_PATH}/${MIXER_AUX}.aux.mix
else
if [ -f /etc/mixers/$MIXER_AUX.aux.mix ]
if [ -f /etc/mixers/${MIXER_AUX}.aux.mix ]
then
set MIXER_AUX_FILE /etc/mixers/$MIXER_AUX.aux.mix
set MIXER_AUX_FILE /etc/mixers/${MIXER_AUX}.aux.mix
fi
fi