diff options
Diffstat (limited to 'decoders/onewire_link')
| -rw-r--r-- | decoders/onewire_link/pd.py | 78 |
1 files changed, 38 insertions, 40 deletions
diff --git a/decoders/onewire_link/pd.py b/decoders/onewire_link/pd.py index d33d6d0..03a6172 100644 --- a/decoders/onewire_link/pd.py +++ b/decoders/onewire_link/pd.py @@ -137,6 +137,24 @@ class Decoder(srd.Decoder): self.rise = 0 self.bit_count = -1 + def putm(self, data): + self.put(0, 0, self.out_ann, data) + + def putpfs(self, data): + self.put(self.fall, self.samplenum, self.out_python, data) + + def putfs(self, data): + self.put(self.fall, self.samplenum, self.out_ann, data) + + def putfr(self, data): + self.put(self.fall, self.rise, self.out_ann, data) + + def putprs(self, data): + self.put(self.rise, self.samplenum, self.out_python, data) + + def putrs(self, data): + self.put(self.rise, self.samplenum, self.out_ann, data) + def checks(self): # Check if samplerate is appropriate. if self.options['overdrive'] == 'yes': @@ -182,8 +200,7 @@ class Decoder(srd.Decoder): time = ((self.fall - self.rise) / self.samplerate) * 1000000.0 if self.rise > 0 and \ time < timing['REC']['min'][self.overdrive]: - self.put(self.fall, self.rise, self.out_ann, - [1, ['Recovery time not long enough' + self.putfr([1, ['Recovery time not long enough' 'Recovery too short', 'REC < ' + str(timing['REC']['min'][self.overdrive])]]) # A reset pulse or slot can start on a falling edge. @@ -198,31 +215,26 @@ class Decoder(srd.Decoder): time = ((self.rise - self.fall) / self.samplerate) * 1000000.0 if time >= timing['RSTL']['min'][False]: # Normal reset pulse. if time > timing['RSTL']['max'][False]: - self.put(self.fall, self.rise, self.out_ann, - [1, ['Too long reset pulse might mask interrupt ' + + self.putfr([1, ['Too long reset pulse might mask interrupt ' + 'signalling by other devices', 'Reset pulse too long', 'RST > ' + str(timing['RSTL']['max'][False])]]) # Regular reset pulse clears overdrive speed. if self.overdrive: - self.put(self.fall, self.rise, self.out_ann, - [4, ['Exiting overdrive mode', 'Overdrive off']]) + self.putfr([4, ['Exiting overdrive mode', 'Overdrive off']]) self.overdrive = False - self.put(self.fall, self.rise, self.out_ann, - [2, ['Reset', 'Rst', 'R']]) + self.putfr([2, ['Reset', 'Rst', 'R']]) self.state = 'PRESENCE DETECT HIGH' elif self.overdrive == True and \ time >= timing['RSTL']['min'][self.overdrive] and \ time < timing['RSTL']['max'][self.overdrive]: # Overdrive reset pulse. - self.put(self.fall, self.rise, self.out_ann, - [2, ['Reset', 'Rst', 'R']]) + self.putfr([2, ['Reset', 'Rst', 'R']]) self.state = 'PRESENCE DETECT HIGH' elif time < timing['SLOT']['max'][self.overdrive]: # Read/write time slot. if time < timing['LOWR']['min'][self.overdrive]: - self.put(self.fall, self.rise, self.out_ann, - [1, ['Low signal not long enough', + self.putfr([1, ['Low signal not long enough', 'Low too short', 'LOW < ' + str(timing['LOWR']['min'][self.overdrive])]]) if time < timing['LOWR']['max'][self.overdrive]: @@ -233,8 +245,7 @@ class Decoder(srd.Decoder): self.state = 'SLOT' else: # Timing outside of known states. - self.put(self.fall, self.rise, self.out_ann, - [1, ['Erroneous signal', 'Error', 'Err', 'E']]) + self.putfr([1, ['Erroneous signal', 'Error', 'Err', 'E']]) self.state = 'IDLE' elif self.state == 'PRESENCE DETECT HIGH': # Wait for slave presence signal. # Calculate time since rising edge. @@ -243,17 +254,14 @@ class Decoder(srd.Decoder): continue elif owr == 0: # Presence detected. if time < timing['PDH']['min'][self.overdrive]: - self.put(self.rise, self.samplenum, self.out_ann, - [1, ['Presence detect signal is too early', + self.putrs([1, ['Presence detect signal is too early', 'Presence detect too early', 'PDH < ' + str(timing['PDH']['min'][self.overdrive])]]) self.fall = self.samplenum self.state = 'PRESENCE DETECT LOW' else: # No presence detected. - self.put(self.rise, self.samplenum, self.out_ann, - [3, ['Presence: false', 'Presence', 'Pres', 'P']]) - self.put(self.rise, self.samplenum, self.out_python, - ['RESET/PRESENCE', False]) + self.putrs([3, ['Presence: false', 'Presence', 'Pres', 'P']]) + self.putprs(['RESET/PRESENCE', False]) self.state = 'IDLE' elif self.state == 'PRESENCE DETECT LOW': # Slave presence signalled. # Wait for end of presence signal (on rising edge). @@ -262,13 +270,11 @@ class Decoder(srd.Decoder): # Calculate time since start of presence signal. time = ((self.samplenum - self.fall) / self.samplerate) * 1000000.0 if time < timing['PDL']['min'][self.overdrive]: - self.put(self.fall, self.samplenum, self.out_ann, - [1, ['Presence detect signal is too short', + self.putfs([1, ['Presence detect signal is too short', 'Presence detect too short', 'PDL < ' + str(timing['PDL']['min'][self.overdrive])]]) elif time > timing['PDL']['max'][self.overdrive]: - self.put(self.fall, self.samplenum, self.out_ann, - [1, ['Presence detect signal is too long', + self.putfs([1, ['Presence detect signal is too long', 'Presence detect too long', 'PDL > ' + str(timing['PDL']['max'][self.overdrive])]]) if time > timing['RSTH']['min'][self.overdrive]: @@ -284,8 +290,7 @@ class Decoder(srd.Decoder): continue elif owr == 0: # Low detected before end of slot. # Warn about irregularity. - self.put(self.fall, self.samplenum, self.out_ann, - [1, ['Time slot not long enough', + self.putfs([1, ['Time slot not long enough', 'Slot too short', 'SLOT < ' + str(timing['SLOT']['min'][self.overdrive])]]) # Don't output invalid bit. @@ -293,10 +298,8 @@ class Decoder(srd.Decoder): self.state = 'LOW' else: # End of time slot. # Output bit. - self.put(self.fall, self.samplenum, self.out_ann, - [0, ['Bit: %d' % self.bit, '%d' % self.bit]]) - self.put(self.fall, self.samplenum, self.out_python, - ['BIT', self.bit]) + self.putfs([0, ['Bit: %d' % self.bit, '%d' % self.bit]]) + self.putpfs(['BIT', self.bit]) # Save command bits. if self.bit_count >= 0: self.command += (self.bit << self.bit_count) @@ -319,24 +322,19 @@ class Decoder(srd.Decoder): continue elif owr == 0: # Low detected before end of presence detect. # Warn about irregularity. - self.put(self.fall, self.samplenum, self.out_ann, - [1, ['Presence detect not long enough', + self.putfs([1, ['Presence detect not long enough', 'Presence detect too short', 'RTSH < ' + str(timing['RSTH']['min'][self.overdrive])]]) # Inform about presence detected. - self.put(self.rise, self.samplenum, self.out_ann, - [3, ['Slave presence detected', 'Slave present', + self.putrs([3, ['Slave presence detected', 'Slave present', 'Present', 'P']]) - self.put(self.rise, self.samplenum, self.out_python, - ['RESET/PRESENCE', True]) + self.putprs(['RESET/PRESENCE', True]) self.fall = self.samplenum self.state = 'LOW' else: # End of time slot. # Inform about presence detected. - self.put(self.rise, self.samplenum, self.out_ann, - [3, ['Presence: true', 'Presence', 'Pres', 'P']]) - self.put(self.rise, self.samplenum, self.out_python, - ['RESET/PRESENCE', True]) + self.putrs([3, ['Presence: true', 'Presence', 'Pres', 'P']]) + self.putprs(['RESET/PRESENCE', True]) self.rise = self.samplenum # Start counting the first 8 bits to get the ROM command. self.bit_count = 0 |