mirror of
https://github.com/Ysurac/openmptcprouter.git
synced 2025-03-09 15:40:20 +00:00
68 lines
1.4 KiB
Bash
Executable file
68 lines
1.4 KiB
Bash
Executable file
#!/bin/sh
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. /usr/share/libubox/jshn.sh
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is_ios_enabled() {
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local ios
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json_load_file "/etc/board.json" &&
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json_select hwinfo &&
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json_get_var ios ios && [ "$ios" = "1" ]
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}
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# set_tty_options <device_path> <baudrate> <databits> <parity> <stopbits> <flowcontrol> <duplex> <echo>
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set_tty_options() {
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local PARITY_TMP=""
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local SBITS_TMP=""
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local FCTRL_TMP=""
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case "$4" in
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"odd") PARITY_TMP="parenb parodd -cmspar" ;;
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"even") PARITY_TMP="parenb -parodd -cmspar" ;;
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"mark") PARITY_TMP="parenb parodd cmspar";;
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"space") PARITY_TMP="parenb -parodd cmspar";;
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*) PARITY_TMP="-parenb -parodd -cmspar" ;;
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esac
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case "$5" in
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1) SBITS_TMP="-cstopb" ;;
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2) SBITS_TMP="cstopb" ;;
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*) SBITS_TMP="-cstopb" ;;
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esac
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case "$6" in
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"none") FCTRL_TMP="-crtscts -ixon -ixoff" ;;
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"rts/cts") FCTRL_TMP="crtscts -ixon -ixoff" ;;
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"xon/xoff") FCTRL_TMP="-crtscts ixon ixoff" ;;
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*) FCTRL_TMP="-crtscts -ixon -ixoff" ;;
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esac
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case "$7" in
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0 | 1)
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echo "$7" >/sys/class/gpio/rs485_rx_en/value
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;;
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esac
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if [ "$8" == "1" ]; then
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FCTRL_TMP="$FCTRL_TMP echo"
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else
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FCTRL_TMP="$FCTRL_TMP -echo"
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fi
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local stty_retries=0
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while ! stty -F "$1" "$2" cs"$3" $PARITY_TMP "$SBITS_TMP" $FCTRL_TMP; do
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if [ $stty_retries -lt 5 ]; then
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stty_retries=$((stty_retries + 1))
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echo "stty was unable to set all the parameters, retrying in 10 seconds"
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sleep 10
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else
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echo "stty failed, continuing anyway"
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break
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fi
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done
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}
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to_lower() {
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tr '[A-Z]' '[a-z]' <<-EOF
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$@
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EOF
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}
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