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-rw-r--r--decoders/tlc5620/pd.py38
1 files changed, 28 insertions, 10 deletions
diff --git a/decoders/tlc5620/pd.py b/decoders/tlc5620/pd.py
index 2a407d1..886d5c9 100644
--- a/decoders/tlc5620/pd.py
+++ b/decoders/tlc5620/pd.py
@@ -1,7 +1,7 @@
##
## This file is part of the libsigrokdecode project.
##
-## Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
+## Copyright (C) 2012-2015 Uwe Hermann <uwe@hermann-uwe.de>
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
@@ -50,6 +50,14 @@ class Decoder(srd.Decoder):
('value', 'DAC value'),
('data-latch', 'Data latch point'),
('ldac-fall', 'LDAC falling edge'),
+ ('bit', 'Bit'),
+ ('operation', 'Operation'),
+ )
+ annotation_rows = (
+ ('bits', 'Bits', (5,)),
+ ('fields', 'Fields', (0, 1, 2)),
+ ('operations', 'Operations', (6,)),
+ ('events', 'Events', (3, 4)),
)
def __init__(self, **kwargs):
@@ -65,45 +73,55 @@ class Decoder(srd.Decoder):
self.out_ann = self.register(srd.OUTPUT_ANN)
def handle_11bits(self):
- s = ''.join(str(i) for i in self.bits[:2])
+ s = ''.join(str(i[0]) for i in self.bits[:2])
self.dac_select = s = dacs[int(s, 2)]
self.put(self.ss_dac, self.es_dac, self.out_ann,
[0, ['DAC select: %s' % s, 'DAC sel: %s' % s,
'DAC: %s' % s, 'D: %s' % s, s, s[3]]])
- self.gain = g = 1 + self.bits[2]
+ self.gain = g = 1 + self.bits[2][0]
self.put(self.ss_gain, self.es_gain, self.out_ann,
[1, ['Gain: x%d' % g, 'G: x%d' % g, 'x%d' % g]])
- s = ''.join(str(i) for i in self.bits[3:])
+ s = ''.join(str(i[0]) for i in self.bits[3:])
self.dac_value = v = int(s, 2)
self.put(self.ss_value, self.es_value, self.out_ann,
[2, ['DAC value: %d' % v, 'Value: %d' % v, 'Val: %d' % v,
'V: %d' % v, '%d' % v]])
+ # Emit an annotation for each bit.
+ for i in range(1, 11):
+ self.put(self.bits[i - 1][1], self.bits[i][1], self.out_ann,
+ [5, [str(self.bits[i - 1][0])]])
+ self.put(self.bits[10][1], self.bits[10][1] + self.clock_width,
+ self.out_ann, [5, [str(self.bits[10][0])]])
+
def handle_falling_edge_load(self):
s, v, g = self.dac_select, self.dac_value, self.gain
self.put(self.samplenum, self.samplenum, self.out_ann,
- [3, ['Setting %s value to %d (x%d gain)' % (s, v, g),
+ [3, ['Falling edge on LOAD', 'LOAD fall', 'F']])
+ self.put(self.ss_dac, self.es_value, self.out_ann,
+ [6, ['Setting %s value to %d (x%d gain)' % (s, v, g),
'%s=%d (x%d gain)' % (s, v, g)]])
def handle_falling_edge_ldac(self):
self.put(self.samplenum, self.samplenum, self.out_ann,
- [4, ['Falling edge on LDAC pin', 'LDAC fall', 'LDAC']])
+ [4, ['Falling edge on LDAC', 'LDAC fall', 'LDAC', 'L']])
def handle_new_dac_bit(self):
- self.bits.append(self.datapin)
+ self.bits.append([self.datapin, self.samplenum])
# Wait until we have read 11 bits, then parse them.
l, s = len(self.bits), self.samplenum
if l == 1:
self.ss_dac = s
- elif l == 2:
- self.es_dac = self.ss_gain = s
elif l == 3:
+ self.es_dac = self.ss_gain = s
+ elif l == 4:
self.es_gain = self.ss_value = s
+ self.clock_width = self.es_gain - self.ss_gain
elif l == 11:
- self.es_value = s
+ self.es_value = s + self.clock_width # Guessed.
self.handle_11bits()
self.bits = []