86 lines
1.7 KiB
Python
86 lines
1.7 KiB
Python
#!/usr/bin/env python3
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import sys
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import time
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from pathlib import Path
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try:
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import serial
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except ImportError:
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print("pyserial이 필요합니다.")
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print("설치: pip install pyserial")
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sys.exit(1)
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PORT = "COM3"
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BAUD = 115200
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def read_hex_file(hex_path):
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data = bytearray()
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for line_no, raw_line in enumerate(hex_path.read_text(encoding="utf-8").splitlines(), start=1):
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line = raw_line.split(";")[0].strip()
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if not line:
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continue
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line = line.replace("0x", "").replace("0X", "")
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if len(line) != 4:
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raise ValueError(f"{line_no}번째 줄 오류: 16비트 HEX 4자리여야 함: {raw_line}")
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word = int(line, 16)
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high = (word >> 8) & 0xFF
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low = word & 0xFF
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data.append(high)
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data.append(low)
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return data
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def main():
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if len(sys.argv) != 2:
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print("사용법: python hexsend.py led.hex")
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sys.exit(1)
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hex_path = Path(sys.argv[1])
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if not hex_path.exists():
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print(f"파일 없음: {hex_path}")
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sys.exit(1)
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send_data = read_hex_file(hex_path)
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send_data.append(0xFF)
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send_data.append(0xFF)
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print(f"파일: {hex_path}")
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print(f"전송 바이트 수: {len(send_data)}")
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print("전송 데이터:")
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print(send_data.hex(" ").upper())
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ser = serial.Serial(
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port=PORT,
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baudrate=BAUD,
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bytesize=serial.EIGHTBITS,
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parity=serial.PARITY_NONE,
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stopbits=serial.STOPBITS_ONE,
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timeout=1
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)
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time.sleep(2)
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ser.reset_input_buffer()
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ser.reset_output_buffer()
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ser.write(send_data)
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ser.flush()
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ser.close()
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print()
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print(f"{PORT}, {BAUD}bps 전송 완료")
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if __name__ == "__main__":
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main()
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