93 lines
3.5 KiB
Python
93 lines
3.5 KiB
Python
# -*- coding: utf-8 -*-
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"""
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快速尝试单个协议 — 带手机摄像头观察红外LED是否发光
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"""
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import sys
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import time
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import serial
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PORT = sys.argv[1] if len(sys.argv) > 1 else "COM8"
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KEY = 0x0D # 上
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ser = serial.Serial(PORT, baudrate=9600, timeout=0.3)
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# ═══════════════════════════════════════════════════════
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# 尝试1: 完整4字节 NEC [addr, ~addr, cmd, ~cmd]
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# ═══════════════════════════════════════════════════════
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frame = bytes([0x3B, 0xC4, KEY, KEY ^ 0xFF])
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print(f"尝试: NEC完整4字节 → {frame.hex(' ').upper()}")
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print("用手机摄像头看红外LED是否发光...")
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ser.reset_input_buffer()
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ser.write(frame)
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ser.flush()
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time.sleep(0.15)
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# 读回应
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resp = ser.read(ser.in_waiting)
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if resp:
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print(f" 板子回应: {resp.hex(' ').upper()}")
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else:
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print(" (无回应)")
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time.sleep(0.5)
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# ═══════════════════════════════════════════════════════
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# 尝试2: NEC 地址命令格式 [addr, cmd] (有些板子只要2字节)
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# ═══════════════════════════════════════════════════════
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frame = bytes([0x3B, KEY])
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print(f"\n尝试: NEC短帧2字节 → {frame.hex(' ').upper()}")
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print("用手机摄像头看红外LED是否发光...")
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ser.reset_input_buffer()
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ser.write(frame)
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ser.flush()
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time.sleep(0.15)
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resp = ser.read(ser.in_waiting)
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if resp:
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print(f" 板子回应: {resp.hex(' ').upper()}")
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else:
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print(" (无回应)")
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time.sleep(0.5)
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# ═══════════════════════════════════════════════════════
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# 尝试3: 带命令前缀的发送 (常见 YS-IRTM 风格)
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# A1 F1 + 地址 + 命令
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# ═══════════════════════════════════════════════════════
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frame = bytes([0xA1, 0xF1, 0x3B, KEY])
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print(f"\n尝试: A1F1命令格式 → {frame.hex(' ').upper()}")
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print("用手机摄像头看红外LED是否发光...")
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ser.reset_input_buffer()
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ser.write(frame)
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ser.flush()
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time.sleep(0.15)
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resp = ser.read(ser.in_waiting)
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if resp:
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print(f" 板子回应: {resp.hex(' ').upper()}")
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else:
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print(" (无回应)")
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time.sleep(0.5)
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# ═══════════════════════════════════════════════════════
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# 尝试4: 换一种候选 — 单字节地址
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# ═══════════════════════════════════════════════════════
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frame = bytes([0xC4, KEY])
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print(f"\n尝试: 单地址2字节 → {frame.hex(' ').upper()}")
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ser.reset_input_buffer()
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ser.write(frame)
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ser.flush()
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time.sleep(0.15)
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resp = ser.read(ser.in_waiting)
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if resp:
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print(f" 板子回应: {resp.hex(' ').upper()}")
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else:
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print(" (无回应)")
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ser.close()
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print("\n──────")
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print("用手机摄像头观察:")
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print(" 红外LED = 白色透明或深紫色的小珠子")
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print(" 发送时如果发光 → 手机屏幕里能看到紫白色闪光")
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print(" 完全不亮 → 发送协议不对，板子根本没发射")
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