2 ## This file is part of the sigrok project.
4 ## Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
6 ## This program is free software; you can redistribute it and/or modify
7 ## it under the terms of the GNU General Public License as published by
8 ## the Free Software Foundation; either version 2 of the License, or
9 ## (at your option) any later version.
11 ## This program is distributed in the hope that it will be useful,
12 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 ## GNU General Public License for more details.
16 ## You should have received a copy of the GNU General Public License
17 ## along with this program; if not, write to the Free Software
18 ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 # Panasonic PAN1321 Bluetooth module protocol decoder
23 import sigrokdecode as srd
29 class Decoder(srd.Decoder):
33 longname = 'Panasonic PAN1321'
34 desc = 'Bluetooth RF module with Serial Port Profile (SPP).'
42 ['Text', 'Human-readable text'],
45 def __init__(self, **kwargs):
48 def start(self, metadata):
49 # self.out_proto = self.add(srd.OUTPUT_PROTO, 'pan1321')
50 self.out_ann = self.add(srd.OUTPUT_ANN, 'pan1321')
55 def handle_host_command(self, ss, es, rxtx, s):
56 if s.startswith('AT+JSEC'):
58 self.put(ss, es, self.out_ann,
59 [ANN_ASCII, ['Host set the Bluetooth PIN to ' + pin]])
60 elif s.startswith('AT+JSLN'):
61 name = s[s.find(',') + 1:]
62 self.put(ss, es, self.out_ann,
63 [ANN_ASCII, ['Host set the Bluetooth name to ' + name]])
65 self.put(ss, es, self.out_ann,
66 [ANN_ASCII, ['Host sent unsupported command: %s' % s]])
69 def handle_device_reply(self, ss, es, rxtx, s):
71 self.put(ss, es, self.out_ann,
72 [ANN_ASCII, ['Device initialized correctly']])
74 self.put(ss, es, self.out_ann,
75 [ANN_ASCII, ['Device acknowledged last command']])
76 elif s.startswith('ERR'):
77 error = s[s.find('=') + 1:]
78 self.put(ss, es, self.out_ann,
79 [ANN_ASCII, ['Device sent error code ' + error]])
81 self.put(ss, es, self.out_ann,
82 [ANN_ASCII, ['Device sent an unknown reply: %s' % s]])
85 def decode(self, ss, es, data):
86 ptype, rxtx, pdata = data
88 # For now, ignore all UART packets except the actual data packets.
92 # Append a new (ASCII) byte to the currently built/parsed command.
93 self.cmd[rxtx] += chr(pdata)
95 # Get packets/bytes until an \r\n sequence is found (end of command).
96 if self.cmd[rxtx][-1:] != '\n':
99 # Handle host commands and device replies.
100 # We remove trailing \r\n from the strings before handling them.
102 self.handle_device_reply(ss, es, rxtx, self.cmd[rxtx][:-2])
104 self.handle_host_command(ss, es, rxtx, self.cmd[rxtx][:-2])
106 raise Exception('Invalid rxtx value: %d' % rxtx)