idf_monitor: fix gdb issue opening large COM port on Windows
The GDB uses CreateFile to open COM port on Windows. However this function requires COM path to be `\\.\COMx` to open COM port whose number is larger than 10. Replace the port name from `COM` to `\\.\COM` when on Windows to fix this.
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1 changed files with 7 additions and 1 deletions
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@ -931,7 +931,13 @@ def main():
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args = parser.parse_args()
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if args.port.startswith("/dev/tty."):
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# GDB uses CreateFile to open COM port, which requires the COM name to be r'\\.\COMx' if the COM
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# number is larger than 10
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if os.name == 'nt' and args.port.startswith("COM"):
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args.port = args.port.replace('COM', r'\\.\COM')
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yellow_print("--- WARNING: GDB cannot open serial ports accessed as COMx")
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yellow_print("--- Using %s instead..." % args.port)
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elif args.port.startswith("/dev/tty."):
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args.port = args.port.replace("/dev/tty.", "/dev/cu.")
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yellow_print("--- WARNING: Serial ports accessed as /dev/tty.* will hang gdb if launched.")
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yellow_print("--- Using %s instead..." % args.port)
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