My protocol decoder shall write some data to a file during invocation of
the decode method. For that purpose I create the file once in the start
method:
class Decoder(srd.Decoder):
inputs = ['uart']
options = ( {'id':'path', 'desc':'', 'default':'/tmp/dat'}, )
def start(self):
self.file = open(self.options['path'], 'w')
def decode(self, ss, es, data):
self.file.write ("decode data")
The decoder is invoked as this:
sigrok-cli -P uart:rx=D0,mydecoder -i sample.sr
The problem is that the file is empty. The file is not flushed or closed
in the decoder code. I have a workaround:
def start(self):
self.file = open(self.options['path'], 'w')
self.file.close()
def decode(self, ss, es, data):
self.file = open(self.options['path'], 'a')
self.file.write ("decode data")
self.file.close()
This is ugly is should be slow if the decoded data increases. Is there
any way to get the decoder called before the sigrok-cli session closes?
Regards,
Helge
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