29 lines
697 B
Python
29 lines
697 B
Python
import serial
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import time
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# 配置串口参数
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com_port = 'COM14' # 串口号
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baud_rate = 9600 # 波特率，根据下位机配置调整
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timeout = 1 # 超时时间
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# 打开串口
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ser = serial.Serial(com_port, baud_rate, timeout=timeout)
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try:
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while True:
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start_time = time.perf_counter()
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data_received = 0
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# 在1秒内持续接收数据
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while time.perf_counter() - start_time < 1:
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data = ser.read(ser.in_waiting or 1)
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data_received += len(data)
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# 计算并打印接收速率
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print(f"接收速率: {data_received} 字节/秒")
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except KeyboardInterrupt:
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print("程序终止")
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finally:
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ser.close() |