serial-recv-file.py 文件源码

def getportname():
    '''
    Use /dev port if on Raspberry Pi (arm processor)
    '''

    if platform.system() == 'Linux':
        if os.uname()[4][:3] == 'arm':
            logger.info('Linux detected (ARM processor).  Raspberry Pi environment likely.  Defaulting to /dev/ttyAMA0')
            return '/dev/ttyAMA0'
        else:
            logger.info('Generic Linux detected.  Defaulting to first COM Port')
            return 0
    elif platform.system() == 'Windows':
        logger.info('Windows detected. Defaulting to first COM Port')
        return 'COM1'
    else:
        return 0 # Interpreted by Pyserial as the first serial port