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software/driver/analyzer: add get_instant_value to get instant value of one signal

This commit is contained in:
Florent Kermarrec 2018-06-08 09:04:21 +02:00
parent af5bfd131f
commit f03345d9f0
1 changed files with 15 additions and 1 deletions
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16
litescope/software/driver/analyzer.py
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@ -1,7 +1,8 @@
import os import os
import sys import sys
from migen.fhdl.structure import *
from migen import *
from litescope.software.dump.common import * from litescope.software.dump.common import *
from litescope.software.dump import * from litescope.software.dump import *
@ -139,3 +140,16 @@ class LiteScopeAnalyzerDriver:
raise NotImplementedError raise NotImplementedError
dump.add_from_layout(self.layouts[self.group], self.data) dump.add_from_layout(self.layouts[self.group], self.data)
dump.write(filename) dump.write(filename)
def get_instant_value(self, group, name):
self.data = DumpData(self.data_width)
self.debug = False
self.configure_group(group)
self.configure_trigger()
self.configure_subsampler(1)
self.run(0, 1)
self.wait_done()
self.upload()
min_idx = log2_int(getattr(self, name + "_o"))
max_idx = min_idx + log2_int((getattr(self, name + "_m") >> min_idx) + 1)
return self.data[min_idx:max_idx][0]