20 lines
636 B
Bash
20 lines
636 B
Bash
#!/bin/sh
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if [ -z $USER_MODULE_ipv4_addr ]; then
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echo Start script by systemd service or set variables
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else
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if [ -x "$(command -v socat)" ]; then
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echo "start listening socket-uart services with server IP $USER_MODULE_ipv4_addr on port $USER_MODULE_kline_port"
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cmd='socat -s pty,link=/dev/ttyUM1,raw,echo=0,b19200 tcp:$USER_MODULE_ipv4_addr:$USER_MODULE_kline_port'
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if [[ -n $SOCAT_SOCKET_KLINE_MSS ]]; then
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eval $cmd,mss=$SOCAT_SOCKET_KLINE_MSS
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else
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eval $cmd
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fi
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else
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echo "socat command not available on your target or environment"
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fi
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fi
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exit 1
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