Initial parts of the OpenWRT subsystem skeleton

old/socat-at-bridge/.rev

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+2

old/socat-at-bridge/atcmd

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+#!/bin/bash
+
+DEVICE=/dev/ttyOUT2
+BAUD=115200
+
+# Function to setup device communication parameters
+setup_device() {
+    stty -F $DEVICE cs8 $BAUD ignbrk -brkint -icrnl -imaxbel \
+        -opost -onlcr -isig -icanon -iexten -echo -echoe -echok \
+        -echoctl -echoke noflsh -ixon -crtscts
+}
+
+# Function to send AT command and capture the output
+send_at_command() {
+    local command="$1"
+    
+    # Clear the device buffer before sending a new command
+    echo -n > $DEVICE
+
+    # Send the AT command, preserving the integrity of the input
+    echo -e "$command\r" > $DEVICE
+
+    # Use a temporary file to capture the command output
+    tmpfile=$(mktemp)
+    
+    # Start reading the device output to the temporary file
+    cat $DEVICE > "$tmpfile" &
+    CAT_PID=$!
+
+    # Monitor the output file for "OK" or "ERROR"
+    while ! grep -qe "OK" -e "ERROR" "$tmpfile"; do
+        sleep 1
+    done
+
+    # Kill the `cat` process after capturing the response
+    kill $CAT_PID
+    wait $CAT_PID 2>/dev/null
+
+    # Display the response
+    cat "$tmpfile" | while IFS= read -r line; do
+        echo -e "\033[0;32m$line\033[0m"
+    done
+
+    # Clean up
+    rm "$tmpfile"
+}
+
+# Prepare the device for communication
+setup_device
+
+# Check if an AT command is provided as an argument
+if [ $# -gt 0 ]; then
+    # Concatenate all arguments to handle commands with spaces and/or quotes correctly
+    FULL_CMD="$*"
+    send_at_command "$FULL_CMD"
+else
+    echo -e "\033[0;36mType 'exit' to end the session.\033[0m"
+    while true; do
+        echo -en "\033[0;36mEnter AT Command: \033[0m"
+        read user_input
+
+        if [[ "$user_input" == "exit" ]]; then
+            echo -e "\033[0;32mExiting...\033[0m"
+            break
+        fi
+
+        send_at_command "$user_input"
+    done
+fi

old/socat-at-bridge/atcmd11

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+#!/bin/bash
+
+DEVICE=/dev/ttyOUT
+BAUD=115200
+
+# Function to setup device communication parameters
+setup_device() {
+    stty -F $DEVICE cs8 $BAUD ignbrk -brkint -icrnl -imaxbel \
+        -opost -onlcr -isig -icanon -iexten -echo -echoe -echok \
+        -echoctl -echoke noflsh -ixon -crtscts
+}
+
+# Function to send AT command and capture the output
+send_at_command() {
+    local command="$1"
+    
+    # Clear the device buffer before sending a new command
+    echo -n > $DEVICE
+
+    # Send the AT command, preserving the integrity of the input
+    echo -e "$command\r" > $DEVICE
+
+    # Use a temporary file to capture the command output
+    tmpfile=$(mktemp)
+    
+    # Start reading the device output to the temporary file
+    cat $DEVICE > "$tmpfile" &
+    CAT_PID=$!
+
+    # Monitor the output file for "OK" or "ERROR"
+    while ! grep -qe "OK" -e "ERROR" "$tmpfile"; do
+        sleep 1
+    done
+
+    # Kill the `cat` process after capturing the response
+    kill $CAT_PID
+    wait $CAT_PID 2>/dev/null
+
+    # Display the response
+    cat "$tmpfile" | while IFS= read -r line; do
+        echo -e "\033[0;32m$line\033[0m"
+    done
+
+    # Clean up
+    rm "$tmpfile"
+}
+
+# Prepare the device for communication
+setup_device
+
+# Check if an AT command is provided as an argument
+if [ $# -gt 0 ]; then
+    # Concatenate all arguments to handle commands with spaces and/or quotes correctly
+    FULL_CMD="$*"
+    send_at_command "$FULL_CMD"
+else
+    echo -e "\033[0;36mType 'exit' to end the session.\033[0m"
+    while true; do
+        echo -en "\033[0;36mEnter AT Command: \033[0m"
+        read user_input
+
+        if [[ "$user_input" == "exit" ]]; then
+            echo -e "\033[0;32mExiting...\033[0m"
+            break
+        fi
+
+        send_at_command "$user_input"
+    done
+fi

old/socat-at-bridge/killsmd7bridge

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+#!/bin/bash
+
+# Look for the process by its command and kill it so socat can have smd7 instead
+pkill -f "/usr/bin/port_bridge smd7 at_usb2 1"

old/socat-at-bridge/systemd_units/socat-killsmd7bridge.service

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+[Unit]
+Description=Kill port_bridge process on boot
+
+[Service]
+Type=oneshot
+ExecStart=/usrdata/socat-at-bridge/killsmd7bridge
+
+[Install]
+WantedBy=multi-user.target

old/socat-at-bridge/systemd_units/socat-smd11-from-ttyIN.service

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+[Unit]
+Description=Read from /dev/ttyIN and write to smd11
+BindsTo=socat-smd11.service
+After=socat-smd11.service
+
+[Service]
+ExecStart=/bin/bash -c "/bin/cat /dev/ttyIN > /dev/smd11"
+ExecStartPost=/bin/sleep 2s
+StandardInput=tty-force
+Restart=always
+RestartSec=1s
+
+[Install]
+WantedBy=multi-user.target

old/socat-at-bridge/systemd_units/socat-smd11-to-ttyIN.service

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+[Unit]
+Description=Read from /dev/smd11 and write to ttyIN
+BindsTo=socat-smd11.service
+After=socat-smd11.service
+
+[Service]
+ExecStart=/bin/bash -c "/bin/cat /dev/smd11 > /dev/ttyIN"
+ExecStartPost=/bin/sleep 2s
+StandardInput=tty-force
+Restart=always
+RestartSec=1s
+
+[Install]
+WantedBy=multi-user.target

old/socat-at-bridge/systemd_units/socat-smd11.service

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+[Unit]
+Description=Socat Serial Emulation for smd11
+After=ql-netd.service
+
+[Service]
+ExecStart=/usrdata/socat-at-bridge/socat-armel-static -d -d pty,link=/dev/ttyIN,raw,echo=0,group=20,perm=660 pty,link=/dev/ttyOUT,raw,echo=1,group=20,perm=660
+# Add a delay to prevent the clients from starting too early
+ExecStartPost=/bin/sleep 2s
+Restart=always
+RestartSec=1s
+
+[Install]
+WantedBy=multi-user.target

old/socat-at-bridge/systemd_units/socat-smd7-from-ttyIN2.service

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+[Unit]
+Description=Read from /dev/ttyIN2 and write to smd7
+BindsTo=socat-smd7.service
+After=socat-smd7.service
+
+[Service]
+ExecStart=/bin/bash -c "/bin/cat /dev/ttyIN2 > /dev/smd7"
+ExecStartPost=/bin/sleep 2s
+StandardInput=tty-force
+Restart=always
+RestartSec=1s
+
+[Install]
+WantedBy=multi-user.target

old/socat-at-bridge/systemd_units/socat-smd7-to-ttyIN2.service

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+[Unit]
+Description=Read from /dev/smd7 and write to ttyIN2
+BindsTo=socat-smd7.service
+After=socat-smd7.service
+
+[Service]
+ExecStart=/bin/bash -c "/bin/cat /dev/smd7 > /dev/ttyIN2"
+ExecStartPost=/bin/sleep 2s
+StandardInput=tty-force
+Restart=always
+RestartSec=1s
+
+[Install]
+WantedBy=multi-user.target

old/socat-at-bridge/systemd_units/socat-smd7.service

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+[Unit]
+Description=Socat Serial Emulation for smd7
+After=ql-netd.service
+
+[Service]
+ExecStart=/usrdata/socat-at-bridge/socat-armel-static -d -d pty,link=/dev/ttyIN2,raw,echo=0,group=20,perm=660 pty,link=/dev/ttyOUT2,raw,echo=1,group=20,perm=660
+# Add a delay to prevent the clients from starting too early
+ExecStartPost=/bin/sleep 2s
+Restart=always
+RestartSec=1s
+
+[Install]
+WantedBy=multi-user.target