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Diffstat (limited to 'decoders/pan1321/pd.py')
| -rw-r--r-- | decoders/pan1321/pd.py | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/decoders/pan1321/pd.py b/decoders/pan1321/pd.py new file mode 100644 index 0000000..827269d --- /dev/null +++ b/decoders/pan1321/pd.py @@ -0,0 +1,118 @@ +## +## This file is part of the sigrok project. +## +## Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de> +## +## This program is free software; you can redistribute it and/or modify +## it under the terms of the GNU General Public License as published by +## the Free Software Foundation; either version 2 of the License, or +## (at your option) any later version. +## +## This program is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +## GNU General Public License for more details. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +## + +# Panasonic PAN1321 Bluetooth module protocol decoder + +import sigrokdecode as srd + +# ... +RX = 0 +TX = 1 + +class Decoder(srd.Decoder): + api_version = 1 + id = 'pan1321' + name = 'PAN1321' + longname = 'Panasonic PAN1321' + desc = 'Bluetooth RF module with Serial Port Profile (SPP).' + license = 'gplv2+' + inputs = ['uart'] + outputs = ['pan1321'] + probes = [] + optional_probes = [] + options = {} + annotations = [ + ['Text (verbose)', 'Human-readable text (verbose)'], + ['Text', 'Human-readable text'], + ] + + def __init__(self, **kwargs): + self.cmd = ['', ''] + self.ss_block = None + + def start(self, metadata): + # self.out_proto = self.add(srd.OUTPUT_PROTO, 'pan1321') + self.out_ann = self.add(srd.OUTPUT_ANN, 'pan1321') + + def report(self): + pass + + def putx(self, data): + self.put(self.ss_block, self.es_block, self.out_ann, data) + + def handle_host_command(self, rxtx, s): + if s.startswith('AT+JSEC'): + pin = s[-4:] + self.putx([0, ['Host set the Bluetooth PIN to ' + pin]]) + self.putx([1, ['PIN = ' + pin]]) + elif s.startswith('AT+JSLN'): + name = s[s.find(',') + 1:] + self.putx([0, ['Host set the Bluetooth name to ' + name]]) + self.putx([1, ['BT name = ' + name]]) + else: + self.putx([0, ['Host sent unsupported command: %s' % s]]) + self.putx([1, ['Unsupported command: %s' % s]]) + self.cmd[rxtx] = '' + + def handle_device_reply(self, rxtx, s): + if s == 'ROK': + self.putx([0, ['Device initialized correctly']]) + self.putx([1, ['Init']]) + elif s == 'OK': + self.putx([0, ['Device acknowledged last command']]) + self.putx([1, ['ACK']]) + elif s.startswith('ERR'): + error = s[s.find('=') + 1:] + self.putx([0, ['Device sent error code ' + error]]) + self.putx([1, ['ERR = ' + error]]) + else: + self.putx([0, ['Device sent an unknown reply: %s' % s]]) + self.putx([1, ['Unknown reply: %s' % s]]) + self.cmd[rxtx] = '' + + def decode(self, ss, es, data): + ptype, rxtx, pdata = data + + # For now, ignore all UART packets except the actual data packets. + if ptype != 'DATA': + return + + # If this is the start of a command/reply, remember the start sample. + if self.cmd[rxtx] == '': + self.ss_block = ss + + # Append a new (ASCII) byte to the currently built/parsed command. + self.cmd[rxtx] += chr(pdata) + + # Get packets/bytes until an \r\n sequence is found (end of command). + if self.cmd[rxtx][-1:] != '\n': + return + + # Handle host commands and device replies. + # We remove trailing \r\n from the strings before handling them. + if rxtx == RX: + self.es_block = es + self.handle_device_reply(rxtx, self.cmd[rxtx][:-2]) + elif rxtx == TX: + self.es_block = es + self.handle_host_command(rxtx, self.cmd[rxtx][:-2]) + else: + raise Exception('Invalid rxtx value: %d' % rxtx) + |