Adding script to flash multiple devices at a time, to ensure consistent configuration across all connected devices

.env

@@ -1,2 +1,5 @@
-DEVICE_PATH=/dev/ttyUSB1
-BAUD_RATE=230400
+DEVICES="
+    /dev/ttyUSB0,230400
+    /dev/ttyUSB1,230400
+    /dev/ttyUSB2,230400
+"

docker-compose-flash-device.yml

@@ -1,3 +1,19 @@
+# Flash Xbee devices
+# ---------------------------------------------------------------------------------
+# 1. To flash a single device, modify the .env file like shown below:
+#        DEVICE_PATH=/dev/ttyUSB0
+#        BAUD_RATE=230400
+#    Then use the cmd: docker compose -f docker-compose-flash-device.yml up --build
+#
+# 2. To flash multiple devices, modify the .env file like shown below:
+#        DEVICES="
+#            /dev/ttyUSB0,230400
+#            /dev/ttyUSB1,230400
+#            /dev/ttyUSB2,230400
+#        "
+#    Then run the bash script using: sh ./flash-devices-batch.sh
+# -----------------------------------------------------------------------------------
+
 version: "3.8"
 
 services:

docker-compose-test-stadalone.yml

@@ -26,7 +26,6 @@ services:
       - sim_network
 
   xbee-mav:
-    # command: rosrun xbee_ros_node xbee_config /dev/ttyUSB0 230400
     command: tail -f /dev/null
     depends_on:
       - ros-master

flash-devices-batch.sh

@@ -0,0 +1,31 @@
+# flash-devices-batch.sh
+# Expects .env file to have the following structure:
+#
+# DEVICES="
+#     /dev/ttyUSB0,230400
+#     /dev/ttyUSB1,230400
+#     /dev/ttyUSB2,230400
+# "
+#
+
+#!/bin/sh
+
+# Load environment variables from .env file
+. ./.env
+
+# Iterate over each device in the DEVICES string
+for device in $DEVICES; do
+    # Split the device string into path and baud rate
+    DEVICE_PATH=$(echo $device | cut -d',' -f1)
+    BAUD_RATE=$(echo $device | cut -d',' -f2)
+
+    # Export the variables for docker-compose to use
+    export DEVICE_PATH
+    export BAUD_RATE
+
+    # Run docker-compose with the current device
+    docker compose -f docker-compose-flash-device.yml up --build
+
+    # Optionally, bring down the containers after each run
+    docker compose -f docker-compose-flash-device.yml down
+done