diff options
Diffstat (limited to 'decoders/ir_nec/pd.py')
| -rw-r--r-- | decoders/ir_nec/pd.py | 45 |
1 files changed, 24 insertions, 21 deletions
diff --git a/decoders/ir_nec/pd.py b/decoders/ir_nec/pd.py index ddc97d5..af22f93 100644 --- a/decoders/ir_nec/pd.py +++ b/decoders/ir_nec/pd.py @@ -17,8 +17,9 @@ ## along with this program; if not, see <http://www.gnu.org/licenses/>. ## -import sigrokdecode as srd +from common.srdhelper import bitpack from .lists import * +import sigrokdecode as srd class SamplerateError(Exception): pass @@ -121,7 +122,7 @@ class Decoder(srd.Decoder): def reset(self): self.state = 'IDLE' self.ss_bit = self.ss_start = self.ss_other_edge = self.ss_remote = 0 - self.data = self.count = self.active = None + self.data = [] self.addr = self.cmd = None def start(self): @@ -151,26 +152,28 @@ class Decoder(srd.Decoder): ret = 1 if ret in (0, 1): self.putb([Ann.BIT, ['{:d}'.format(ret)]]) - self.data |= (ret << self.count) # LSB-first - self.count = self.count + 1 + self.data.append(ret) self.ss_bit = self.samplenum def data_ok(self, check): name = self.state.title() - valid = ((self.data >> 8) ^ (self.data & 0xff)) == 0xff - if self.count == 8: + normal, inverted = bitpack(self.data[:8]), bitpack(self.data[8:]) + valid = (normal ^ inverted) == 0xff + show = inverted if self.state.endswith('#') else normal + if len(self.data) == 8: if self.state == 'ADDRESS': - self.addr = self.data + self.addr = normal if self.state == 'COMMAND': - self.cmd = self.data - self.putd(self.data) + self.cmd = normal + self.putd(show) self.ss_start = self.samplenum return True if check and not valid: - self.putx([Ann.WARN, ['{} error: 0x{:04X}'.format(name, self.data)]]) + warn_show = bitpack(self.data) + self.putx([Ann.WARN, ['{} error: 0x{:04X}'.format(name, warn_show)]]) else: - self.putd(self.data >> 8) - self.data = self.count = 0 + self.putd(show) + self.data = [] self.ss_bit = self.ss_start = self.samplenum return valid @@ -184,7 +187,7 @@ class Decoder(srd.Decoder): cd_count = int(self.samplerate / self.options['cd_freq']) + 1 prev_ir = None - self.active = 0 if self.options['polarity'] == 'active-low' else 1 + active = 0 if self.options['polarity'] == 'active-low' else 1 while True: # Detect changes in the presence of an active input signal. @@ -203,7 +206,7 @@ class Decoder(srd.Decoder): if cd_count: (cur_ir,) = self.wait([{Pin.IR: 'e'}, {'skip': cd_count}]) if self.matched[0]: - cur_ir = self.active + cur_ir = active if cur_ir == prev_ir: continue prev_ir = cur_ir @@ -211,7 +214,7 @@ class Decoder(srd.Decoder): else: (self.ir,) = self.wait({Pin.IR: 'e'}) - if self.ir != self.active: + if self.ir != active: # Save the non-active edge, then wait for the next edge. self.ss_other_edge = self.samplenum continue @@ -224,32 +227,32 @@ class Decoder(srd.Decoder): self.putpause('Long') self.putx([Ann.LEADER_CODE, ['Leader code', 'Leader', 'LC', 'L']]) self.ss_remote = self.ss_start - self.data = self.count = 0 + self.data = [] self.state = 'ADDRESS' elif self.compare_with_tolerance(b, self.rc): self.putpause('Short') self.putstop(self.samplenum) self.samplenum += self.stop self.putx([Ann.REPEAT_CODE, ['Repeat code', 'Repeat', 'RC', 'R']]) - self.data = self.count = 0 + self.data = [] self.ss_bit = self.ss_start = self.samplenum elif self.state == 'ADDRESS': self.handle_bit(b) - if self.count == 8: + if len(self.data) == 8: self.data_ok(False) self.state = 'ADDRESS#' elif self.state == 'ADDRESS#': self.handle_bit(b) - if self.count == 16: + if len(self.data) == 16: self.state = 'COMMAND' if self.data_ok(True) else 'IDLE' elif self.state == 'COMMAND': self.handle_bit(b) - if self.count == 8: + if len(self.data) == 8: self.data_ok(False) self.state = 'COMMAND#' elif self.state == 'COMMAND#': self.handle_bit(b) - if self.count == 16: + if len(self.data) == 16: self.state = 'STOP' if self.data_ok(True) else 'IDLE' elif self.state == 'STOP': self.putstop(self.ss_bit) |