X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=decoders%2Flin%2Fpd.py;h=11495d1177e5896012ba60c23a992ee755bd3c26;hb=499bf266989634a02e33e5361a720f853934fe03;hp=216d4167e7b18ac5a0fdb1e65ed1210c84890975;hpb=6cbba91f23b9f9ace75b4722c9c0776b9211008d;p=libsigrokdecode.git diff --git a/decoders/lin/pd.py b/decoders/lin/pd.py index 216d416..11495d1 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): @@ -71,12 +73,12 @@ class Decoder(srd.Decoder): annotations = ( ('data', 'LIN data'), ('control', 'Protocol info'), - ('error', 'Error descriptions'), - ('inline_error', 'Protocol violations and errors'), + ('error', 'Error description'), + ('inline_error', 'Protocol violation or error'), ) annotation_rows = ( - ('data', 'Data', (0, 1, 3)), - ('error', 'Error', (2,)), + ('data_vals', 'Data', (0, 1, 3)), + ('errors', 'Errors', (2,)), ) def __init__(self): @@ -87,7 +89,6 @@ class Decoder(srd.Decoder): self.lin_header = [] self.lin_rsp = [] self.lin_version = None - self.out_ann = None self.ss_block = None self.es_block = None @@ -113,6 +114,15 @@ 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 +227,8 @@ 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':