AFE-E420 COM
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Revision as of 08:57, 13 June 2025 by Seven.lin (talk | contribs) (Created page with "AFE-E420 Connector COMABCD AFE-E420 Connector ISO COM == '''COM GPIO Definations''' == {|...")
COM GPIO Definations
| COM | MODE0 | MODE1 | DEV |
| A | 453 | 452 | /dev/ttyLP0 |
| B | 457 | 456 | /dev/ttyLP3 |
| C | 499 | 500 | /dev/ttyUSB0 |
| D | 503 | 504 | /dev/ttyUSB1 |
| ISO_Top | 440 | 441 | /dev/ttyUSB2 |
| ISO_Bottom | 447 | 446 | /dev/ttyUSB3 |
RS-232
Set MODE0 to 1 and MODE1 to 0 for RS-232.
# echo ${MODE0} > /sys/class/gpio/export# echo ${MODE1} > /sys/class/gpio/export# echo out > /sys/class/gpio/gpio${MODE0}/direction# echo out > /sys/class/gpio/gpio${MODE1}/direction# echo 1 > /sys/class/gpio/gpio${MODE0}/value# echo 0 > /sys/class/gpio/gpio${MODE1}/value
RS-422
Set MODE0 to 1 and MODE1 to 1 for RS-422.
# echo ${MODE0} > /sys/class/gpio/export# echo ${MODE1} > /sys/class/gpio/export# echo out > /sys/class/gpio/gpio${MODE0}/direction# echo out > /sys/class/gpio/gpio${MODE1}/direction# echo 1 > /sys/class/gpio/gpio${MODE0}/value# echo 1 > /sys/class/gpio/gpio${MODE1}/value
RS-485
Set MODE0 to 0 and MODE1 to 1 for RS-485.
# echo ${MODE0} > /sys/class/gpio/export# echo ${MODE1} > /sys/class/gpio/export# echo out > /sys/class/gpio/gpio${MODE0}/direction# echo out > /sys/class/gpio/gpio${MODE1}/direction# echo 0 > /sys/class/gpio/gpio${MODE0}/value# echo 1 > /sys/class/gpio/gpio${MODE1}/value
Test Command
Receive Data
# stty -F ${DEV} speed 115200 ignbrk -brkint -icrnl -imaxbel -opost -onlcr -isig -icanon -iexten -echo -echoe -echok -echoctl -echoke# cat ${DEV} &
Send Data
# stty -F ${DEV} speed 115200 ignbrk -brkint -icrnl -imaxbel -opost -onlcr -isig -icanon -iexten -echo -echoe -echok -echoctl -echoke# echo "Serial Port Test" > ${DEV}