Can Test - I-Tech YMBAO100 User Manual

M.

CAN Test

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Checking CAN GPIO
#config can pin to gpio
/home/root/testscript/can/memtool -32 0x20e0208 = 5
echo "106" > /sys/class/gpio/export
#config gpio to out mode
echo "out" > /sys/class/gpio/gpio106/direction
#set gpio to 1
echo 1 > /sys/class/gpio/gpio106/value
#set gpio to 1
echo 0 > /sys/class/gpio/gpio106/value
#config gpio to in mode
echo "in" > /sys/class/gpio/gpio106/direction
#get gpio value
ret0_0=`cat /sys/class/gpio/gpio106/value`
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Testing CAN
#config can parrameter
ip link set can0 type can bitrate 125000 triple-sampling on
#enable can
ifconfig can0 up
#disable
ifconfig can0 down
#send data
cangen can0 &
#receive data
candump -n 10 can1 -T 5000
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