#this first bitrate afford frames transmission or not
ip link set can0 down
if [ $? -eq 0 ];then
- lava-test-case stop_can0 --result pass
+ lava-test-case stop_can0 --result pass
else
- lava-test-case stop_can0 --result fail
+ lava-test-case stop_can0 --result fail
fi
sleep 2
ip link set can1 down
if [ $? -eq 0 ];then
- lava-test-case stop_can1 --result pass
+ lava-test-case stop_can1 --result pass
else
- lava-test-case stop_can1 --result fail
+ lava-test-case stop_can1 --result fail
fi
sleep 2
ip link set can1 down
found_bitrate_for_transmisson=0
for b in `seq 10790 10800`;do
- ip link set can0 type can bitrate $b
- ip link set can1 type can bitrate $b
- ip link set can0 up
- ip link set can1 up
- sleep 3
- file_can=$(mktemp)
+ ip link set can0 type can bitrate $b
+ ip link set can1 type can bitrate $b
+ ip link set can0 up
+ ip link set can1 up
+ sleep 3
+ file_can=$(mktemp)
cangen can0 &
candump can1 > $file_can &
sleep 4
- if [ -s $file_can ];then
+ if [ -s $file_can ];then
found_bitrate_for_transmisson=1
lava-test-case Receive_can1 --result pass --measurement $b --units bit/s
- sleep 2
+ sleep 2
echo "$b is the first supportable bitrate to provide transmission"
break
fi
ip link set can1 down
bitrate_no_transmission=0
for b in `seq 1909088 1909092`;do
- ip link set can0 type can bitrate $b
- ip link set can1 type can bitrate $b
- ip link set can0 up
- ip link set can1 up
- sleep 2
- file_can=$(mktemp)
- cangen can0 &
- candump can1 > $file_can &
- sleep 3
+ ip link set can0 type can bitrate $b
+ ip link set can1 type can bitrate $b
+ ip link set can0 up
+ ip link set can1 up
+ sleep 2
+ file_can=$(mktemp)
+ cangen can0 &
+ candump can1 > $file_can &
+ sleep 3
size=$(stat -c %s $file_can)
if [ $size -eq 0 ];then
bitrate_no_transmission=1
fi
ip link set can0 down
ip link set can1 down
- rm $file_can
+ rm $file_can
done
if [ $bitrate_no_transmission -eq 0 ];then