diff options
Diffstat (limited to 'decoders/lin/pd.py')
| -rw-r--r-- | decoders/lin/pd.py | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/decoders/lin/pd.py b/decoders/lin/pd.py index 216d416..426cbf0 100644 --- a/decoders/lin/pd.py +++ b/decoders/lin/pd.py @@ -41,6 +41,7 @@ class LinFsm: def reset(self): self.state = LinFsm.State.WaitForBreak + self.uart_idle_count = 0 def __init__(self): a = dict() @@ -53,6 +54,7 @@ class LinFsm: self.allowed_state = a self.state = None + self.uart_idle_count = 0 self.reset() class Decoder(srd.Decoder): @@ -113,6 +115,15 @@ class Decoder(srd.Decoder): return True + def handle_uart_idle(self): + if self.fsm.state not in (LinFsm.State.WaitForBreak, LinFsm.State.Error): + self.fsm.uart_idle_count += 1 + + if self.fsm.uart_idle_count == 2: + self.fsm.transit(LinFsm.State.Checksum) + self.handle_checksum() + self.fsm.reset() + def handle_wait_for_break(self, value): self.wipe_break_null_byte(value) @@ -217,6 +228,8 @@ class Decoder(srd.Decoder): self.ss_block, self.es_block = ss, es # Ignore all UART packets except the actual data packets or BREAK. + if ptype == 'IDLE': + self.handle_uart_idle() if ptype == 'BREAK': self.handle_break(pdata) if ptype != 'DATA': |