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authorUwe Hermann <uwe@hermann-uwe.de>2017-03-15 09:27:43 +0100
committerUwe Hermann <uwe@hermann-uwe.de>2017-03-15 11:50:29 +0100
commit0b83932c9348d3105dd9d572663455694605dad1 (patch)
tree03d95836e05c279bc8391c026d0c7b70d9977025 /decoders
parent4bb42a91968b5b610c0c843024aa158e2f414805 (diff)
downloadlibsigrokdecode-0b83932c9348d3105dd9d572663455694605dad1.tar.gz
libsigrokdecode-0b83932c9348d3105dd9d572663455694605dad1.zip
uart: Minor cosmetic changes.
Diffstat (limited to 'decoders')
-rw-r--r--decoders/uart/pd.py23
1 files changed, 7 insertions, 16 deletions
diff --git a/decoders/uart/pd.py b/decoders/uart/pd.py
index 152b853..16729cc 100644
--- a/decoders/uart/pd.py
+++ b/decoders/uart/pd.py
@@ -185,7 +185,7 @@ class Decoder(srd.Decoder):
self.bit_width = float(self.samplerate) / float(self.options['baudrate'])
def get_sample_point(self, rxtx, bitnum):
- """Determine absolute sample number of a bit slot's sample point."""
+ # Determine absolute sample number of a bit slot's sample point.
# bitpos is the samplenumber which is in the middle of the
# specified UART bit (0 = start bit, 1..x = data, x+1 = parity bit
# (if used) or the first stop bit, and so on).
@@ -338,14 +338,9 @@ class Decoder(srd.Decoder):
self.state[rxtx] = 'WAIT FOR START BIT'
def get_wait_cond(self, rxtx, inv):
- """
- Determine Decoder.wait() condition for specified UART line.
-
- Returns condititions that are suitable for Decoder.wait(). Those
- conditions either match the falling edge of the START bit, or
- the sample point of the next bit time.
- """
-
+ # Return condititions that are suitable for Decoder.wait(). Those
+ # conditions either match the falling edge of the START bit, or
+ # the sample point of the next bit time.
state = self.state[rxtx]
if state == 'WAIT FOR START BIT':
return {rxtx: 'r' if inv else 'f'}
@@ -358,15 +353,11 @@ class Decoder(srd.Decoder):
elif state == 'GET STOP BITS':
bitnum = 1 + self.options['num_data_bits']
bitnum += 0 if self.options['parity_type'] == 'none' else 1
- want_num = self.get_sample_point(rxtx, bitnum)
- # want_num = int(want_num + 0.5)
- want_num = ceil(want_num)
- cond = {'skip': want_num - self.samplenum}
- return cond
+ want_num = ceil(self.get_sample_point(rxtx, bitnum))
+ return {'skip': want_num - self.samplenum}
def inspect_sample(self, rxtx, signal, inv):
- """Inspect a sample returned by .wait() for the specified UART line."""
-
+ # Inspect a sample returned by .wait() for the specified UART line.
if inv:
signal = not signal