Max P
2a2789dda1
Introduces a Bash script to automate flashing bitstream files to devices. Includes argument parsing, file monitoring, and error handling. Enhances development workflow by streamlining device programming.
84 lines
1.9 KiB
Bash
Executable File
84 lines
1.9 KiB
Bash
Executable File
#!/bin/bash
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# 🧠 Show help message
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function show_help() {
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echo "Usage: $0 [-d device] [-i index] TopModuleName"
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echo
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echo "Arguments:"
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echo " -d <device> Name of the USB device (e.g., DOnbUsb), optional (default: DOnbUsb)"
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echo " -i <index> Interface index, optional (default: 0)"
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echo " TopModule Name of the top module (e.g., VGATimingGenerator)"
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exit 1
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}
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# 🔧 Default values
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DEVICE="DOnbUsb"
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INDEX=0
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# 🧩 Parse arguments
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while [[ "$1" =~ ^- ]]; do
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case "$1" in
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-d)
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shift
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DEVICE="$1"
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;;
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-i)
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shift
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INDEX="$1"
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;;
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-h|--help)
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show_help
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;;
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*)
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echo "❌ Unknown option: $1"
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show_help
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;;
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esac
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shift
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done
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# 📛 Get top module name
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TOPMODULE="$1"
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if [ -z "$TOPMODULE" ]; then
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echo "❌ Error: No top module specified."
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show_help
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fi
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# 📂 Path to bitstream file
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BITFILE="working/${TOPMODULE}.bit"
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# 📡 Flashing function
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function flash_bitstream() {
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echo "⚡ Flashing bitstream to device $DEVICE, index $INDEX..."
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yes Y | djtgcfg prog -d "$DEVICE" -i "$INDEX" -f "$BITFILE"
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}
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# 🧹 Cleanup on Ctrl+C
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function cleanup() {
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echo
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echo "👋 Terminated. Auto-flashing is no longer active."
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exit 0
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}
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trap cleanup SIGINT
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# 🔍 Initial check
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if [ -f "$BITFILE" ]; then
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echo "📦 Bitstream file $BITFILE found. Starting initial flash..."
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flash_bitstream
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echo "✅ Initial flash completed. Waiting for changes..."
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else
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echo "⚠️ Bitstream file $BITFILE does not exist yet. Waiting for initial creation..."
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fi
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echo "👂 Monitoring $BITFILE for changes... (Press Ctrl+C to exit)"
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# ♻️ Infinite watch loop
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while true; do
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inotifywait -e close_write "$BITFILE" >/dev/null 2>&1
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echo "🌀 Change detected. Waiting 1 second..."
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sleep 1
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flash_bitstream
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echo "✅ Done. Waiting for next change..."
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done
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