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20.1.2 Port Objects

Port objects, as returned by openport(), have the following methods:

 
closeport( )
Close the port.
 
getfd( )
Return the file descriptor as an int.
 
getfilled( )
Return the number of filled samples.
 
getfillable( )
Return the number of fillable samples.
 
readsamps( nsamples)
Read a number of samples from the queue, blocking if necessary. Return the data as a string containing the raw data, (e.g., 2 bytes per sample in big-endian byte order (high byte, low byte) if you have set the sample width to 2 bytes).
 
writesamps( samples)
Write samples into the queue, blocking if necessary. The samples are encoded as described for the readsamps() return value.
 
getfillpoint( )
Return the `fill point'.
 
setfillpoint( fillpoint)
Set the `fill point'.
 
getconfig( )
Return a configuration object containing the current configuration of the port.
 
setconfig( config)
Set the configuration from the argument, a configuration object.
 
getstatus( list)
Get status information on last error.

 

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