diff options
Diffstat (limited to 'test-scripts/gpio/gpio-test.sh')
| -rw-r--r-- | test-scripts/gpio/gpio-test.sh | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/test-scripts/gpio/gpio-test.sh b/test-scripts/gpio/gpio-test.sh new file mode 100644 index 0000000..0e7f7b0 --- /dev/null +++ b/test-scripts/gpio/gpio-test.sh @@ -0,0 +1,112 @@ +# Copyright (c) 2016, The Linux Foundation. All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following +# disclaimer in the documentation and/or other materials provided +# with the distribution. +# * Neither the name of The Linux Foundation nor the names of its +# contributors may be used to endorse or promote products derived +# from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED +# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT +# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS +# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR +# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE +# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN +# IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#!/bin/sh +#testing GPIO by sending and recieving signals in predefiend connection points +#IMPORTANT!! before running test connect gpio points as ilustrated: +#ilustaration of connected gpio points. +#symbol key: +# J8 - this is the name of the gpio panel (printed on the board next to the panel) +# * - a white dot pointing to the the begining of the first gpio point (printed on the board next to the panel) +# @ - connected gpio point +# === - connection between two gpio points + +# J8 # # # # # # # @===@ # # @===@ @===@ @===@ # # # +# * # # # # # # # # # # # @===@ @===@ @===@ # # # + +################### function definition ########################################## +signal_to_apq() #$1=signal value(1/0). $2=out_apq_name. $3=in_apq_name. $4=lineNum for logging msg. +{ + echo "$1" > $GPIO_PATH/$2/value + READ_RES=$(cat $GPIO_PATH/$3/value) + if [ $READ_RES != "$1" ]; then + $LOGGER_PATH/logger.sh $THIS_FILE_NAME $FAIL -v "writen $1, got: $READ_RES on: $2 to: $3" $4 + ERR_COUNT=$((ERR_COUNT+1)) + fi +} +########################## test run ############################################################### +THIS_FILE_NAME=$0 +LOGGER_PATH=tiny-apts/util +FAIL=1 +GPIO_PATH=/sys/class/gpio + +#allow Read Write permitions in export and unexport +chmod ugo+rw $GPIO_PATH/export +chmod ugo+rw $GPIO_PATH/unexport + +#mapping gpio points +for IN_APQ in 13 24 28 113 12 25 33 ; do + I=$((I+1)) #I= 1 .. 7 + eval IN_APQ_NAMES$I="gpio$IN_APQ" + eval IN_APQ_NUMS$I=$IN_APQ + eval IN_VAL_OLD$I="" #creating vars to hold old values +done + +MPP4=$(cat /sys/kernel/debug/pinctrl/200f000.spmi\:pm8916@0\:mpps@a000/gpio-ranges | grep 0 | cut -d"-" -f2 | cut -d"]" -f1 | cut -d" " -f2) + +for OUT_APQ in 36 115 35 110 69 $MPP4 34 ; do + J=$((J+1)) #J= 1 .. 7 + eval OUT_APQ_NAMES$J="gpio$OUT_APQ" + eval OUT_APQ_NUMS$J=$OUT_APQ + eval OUT_VAL_OLD$J="" #creating vars to hold old values +done + +INDEX_NUMS="1 2 3 4 5 6 7" +for index in $INDEX_NUMS ; do +#creating input, output gpio + eval echo \$IN_APQ_NUMS$index > $GPIO_PATH/export + eval echo \$OUT_APQ_NUMS$index > $GPIO_PATH/export +#getting maped gpio point + IN_APQ_NAME=$(eval echo \$IN_APQ_NAMES$index) + OUT_APQ_NAME=$(eval echo \$OUT_APQ_NAMES$index) +#granting read write permitions to value, direction files + chmod ugo+rw $GPIO_PATH/$IN_APQ_NAME/value + chmod ugo+rw $GPIO_PATH/$IN_APQ_NAME/direction + chmod ugo+rw $GPIO_PATH/$OUT_APQ_NAME/value + chmod ugo+rw $GPIO_PATH/$OUT_APQ_NAME/direction +#saving old values + eval IN_VAL_OLD$index=$(cat $GPIO_PATH/$IN_APQ_NAME/value) + eval OUT_VAL_OLD$index=$(cat $GPIO_PATH/$OUT_APQ_NAME/value) +#testing loopbacks + echo in > $GPIO_PATH/$IN_APQ_NAME/direction + echo out > $GPIO_PATH/$OUT_APQ_NAME/direction + signal_to_apq 1 $OUT_APQ_NAME $IN_APQ_NAME 71 + signal_to_apq 0 $OUT_APQ_NAME $IN_APQ_NAME 72 +#restore gpios values and unexport + echo out > $GPIO_PATH/$IN_APQ_NAME/direction #turn IN gpio to OUT so you could write to it, so next line would work + eval echo \$IN_VAL_OLD$index > $GPIO_PATH/$IN_APQ_NAME/value + eval echo \$OUT_VAL_OLD$index > $GPIO_PATH/$OUT_APQ_NAME/value + eval echo \$IN_APQ_NUMS$index > $GPIO_PATH/unexport + eval echo \$OUT_APQ_NUMS$index > $GPIO_PATH/unexport +done + +exit $ERR_COUNT + + + + + |