def open_record_file(self, record_file_name):
self.close_file()
f = record_folder.open_record_file(record_file_name)
self.codec = record_codec.StreamDecoder(f)
# create a new renderer
mipmaps = compound_samples.MipMapList()
mipmaps.add_level(compound_samples.CompoundSampleFromStream(
self.codec))
self.plot = visualization.PlotView(mipmaps, self.codec.header)
# display the filename in the GUI
self.open_file_display.value = f.name
# render result
self.redraw_canvas()
# print some values about this file for curious people
print("full_integer_range: {:04X}".format(
self.codec.header.full_integer_range))
print("units_per_measuring_range: {}".format(
self.codec.header.units_per_measuring_range))
print("samples_per_second: {}".format(
self.codec.header.samples_per_second))
def download_all_records(self, size_callback=lambda size: 0, progress_callback=lambda progress: 0):
c = self.connection
c.send(b'\x01') # protocol
new_files = []
while c.receive(1) == b'\x01':
filename = c_string(c.receive_struct(NAME_FORMAT))
print("downloading file: {}".format( filename ))
new_files.append(filename)
f = record_folder.open_record_file( filename, for_writing=True )
progress = 0
def next_chunk(chunk):
nonlocal progress
f.write(chunk)
progress += len(chunk)
progress_callback(progress)
def next_size(size):
size_callback(size)
c.receive_variable_buffer( next_chunk, next_size )
f.close()
return new_files
def download_all_records(self,
size_callback=lambda size: 0,
progress_callback=lambda progress: 0):
c = self.connection
c.send(b'\x01') # protocol
new_files = []
while c.receive(1) == b'\x01':
filename = c_string(c.receive_struct(NAME_FORMAT))
print("downloading file: {}".format(filename))
new_files.append(filename)
f = record_folder.open_record_file(filename, for_writing=True)
progress = 0
def next_chunk(chunk):
nonlocal progress
f.write(chunk)
progress += len(chunk)
progress_callback(progress)
def next_size(size):
size_callback(size)
c.receive_variable_buffer(next_chunk, next_size)
f.close()
return new_files
def open_record_file(self, record_file_name):
self.close_file()
f = record_folder.open_record_file(record_file_name)
self.codec = record_codec.StreamDecoder(f)
# create a new renderer
mipmaps = compound_samples.MipMapList()
mipmaps.add_level(compound_samples.CompoundSampleFromStream(self.codec))
self.plot = visualization.PlotView(mipmaps, self.codec.header)
# display the filename in the GUI
self.open_file_display.value = f.name
# render result
self.redraw_canvas()
# print some values about this file for curious people
print("full_integer_range: {:04X}".format(self.codec.header.full_integer_range))
print("units_per_measuring_range: {}".format(self.codec.header.units_per_measuring_range))
print("samples_per_second: {}".format(self.codec.header.samples_per_second))
