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All PDs: Minor whitespace and consistency fixes.
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1##
2## This file is part of the libsigrokdecode project.
3##
4## Copyright (C) 2012-2013 Uwe Hermann <uwe@hermann-uwe.de>
5##
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.
10##
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.
15##
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
19##
20
21import sigrokdecode as srd
22
23# ...
24RX = 0
25TX = 1
26
27class Decoder(srd.Decoder):
28 api_version = 2
29 id = 'pan1321'
30 name = 'PAN1321'
31 longname = 'Panasonic PAN1321'
32 desc = 'Bluetooth RF module with Serial Port Profile (SPP).'
33 license = 'gplv2+'
34 inputs = ['uart']
35 outputs = ['pan1321']
36 annotations = (
37 ('text-verbose', 'Human-readable text (verbose)'),
38 ('text', 'Human-readable text'),
39 ('warnings', 'Human-readable warnings'),
40 )
41
42 def __init__(self, **kwargs):
43 self.cmd = ['', '']
44 self.ss_block = None
45
46 def start(self):
47 self.out_ann = self.register(srd.OUTPUT_ANN)
48
49 def putx(self, data):
50 self.put(self.ss_block, self.es_block, self.out_ann, data)
51
52 def handle_host_command(self, rxtx, s):
53 if s.startswith('AT+JAAC'):
54 # AT+JAAC=<auto_accept> (0 or 1)
55 p = s[s.find('=') + 1:]
56 if p not in ('0', '1'):
57 self.putx([2, ['Warning: Invalid JAAC parameter "%s"' % p]])
58 return
59 x = 'Auto' if (p == '1') else 'Don\'t auto'
60 self.putx([0, ['%s-accept new connections' % x]])
61 self.putx([1, ['%s-accept connections' % x]])
62 elif s.startswith('AT+JPRO'):
63 # AT+JPRO=<mode> (0 or 1)
64 p = s[s.find('=') + 1:]
65 if p not in ('0', '1'):
66 self.putx([2, ['Warning: Invalid JPRO parameter "%s"' % p]])
67 return
68 onoff = 'off' if (p == '0') else 'on'
69 x = 'Leaving' if (p == '0') else 'Entering'
70 self.putx([0, ['%s production mode' % x]])
71 self.putx([1, ['Production mode = %s' % onoff]])
72 elif s.startswith('AT+JRES'):
73 # AT+JRES
74 if s != 'AT+JRES': # JRES has no params.
75 self.putx([2, ['Warning: Invalid JRES usage.']])
76 return
77 self.putx([0, ['Triggering a software reset']])
78 self.putx([1, ['Reset']])
79 elif s.startswith('AT+JSDA'):
80 # AT+JSDA=<l>,<d> (l: length in bytes, d: data)
81 # l is (max?) 3 decimal digits and ranges from 1 to MTU size.
82 # Data can be ASCII or binary values (l bytes total).
83 l, d = s[s.find('=') + 1:].split(',')
84 if not l.isnumeric():
85 self.putx([2, ['Warning: Invalid data length "%s".' % l]])
86 if int(l) != len(d):
87 self.putx([2, ['Warning: Data length mismatch (%d != %d).' % \
88 (int(l), len(d))]])
89 # TODO: Warn if length > MTU size (which is firmware-dependent
90 # and is negotiated by both Bluetooth devices upon connection).
91 b = ''.join(['%02x ' % ord(c) for c in d])[:-1]
92 self.putx([0, ['Sending %d data bytes: %s' % (int(l), b)]])
93 self.putx([1, ['Send %d = %s' % (int(l), b)]])
94 elif s.startswith('AT+JSEC'):
95 # AT+JSEC=<secmode>,<linkkey_info>,<pintype>,<pinlen>,<pin>
96 # secmode: Security mode 1 or 3 (default).
97 # linkkey_info: Must be 1 or 2. Has no function according to docs.
98 # pintype: 1: variable pin (default), 2: fixed pin.
99 # pinlen: PIN length (2 decimal digits). Max. PIN length is 16.
100 # pin: The Bluetooth PIN ('pinlen' chars). Used if pintype=2.
101 # Note: AT+JSEC (if used) must be the first command after reset.
102 # TODO: Parse all the other parameters.
103 pin = s[-4:]
104 self.putx([0, ['Host set the Bluetooth PIN to "' + pin + '"']])
105 self.putx([1, ['PIN = ' + pin]])
106 elif s.startswith('AT+JSLN'):
107 # AT+JSLN=<namelen>,<name>
108 # namelen: Friendly name length (2 decimal digits). Max. len is 18.
109 # name: The Bluetooth "friendly name" ('namelen' ASCII characters).
110 name = s[s.find(',') + 1:]
111 self.putx([0, ['Host set the Bluetooth name to "' + name + '"']])
112 self.putx([1, ['BT name = ' + name]])
113 else:
114 self.putx([0, ['Host sent unsupported command: %s' % s]])
115 self.putx([1, ['Unsupported command: %s' % s]])
116
117 def handle_device_reply(self, rxtx, s):
118 if s == 'ROK':
119 self.putx([0, ['Device initialized correctly']])
120 self.putx([1, ['Init']])
121 elif s == 'OK':
122 self.putx([0, ['Device acknowledged last command']])
123 self.putx([1, ['ACK']])
124 elif s.startswith('ERR'):
125 error = s[s.find('=') + 1:]
126 self.putx([0, ['Device sent error code ' + error]])
127 self.putx([1, ['ERR = ' + error]])
128 else:
129 self.putx([0, ['Device sent an unknown reply: %s' % s]])
130 self.putx([1, ['Unknown reply: %s' % s]])
131
132 def decode(self, ss, es, data):
133 ptype, rxtx, pdata = data
134
135 # For now, ignore all UART packets except the actual data packets.
136 if ptype != 'DATA':
137 return
138
139 # If this is the start of a command/reply, remember the start sample.
140 if self.cmd[rxtx] == '':
141 self.ss_block = ss
142
143 # Append a new (ASCII) byte to the currently built/parsed command.
144 self.cmd[rxtx] += chr(pdata)
145
146 # Get packets/bytes until an \r\n sequence is found (end of command).
147 if self.cmd[rxtx][-2:] != '\r\n':
148 return
149
150 # Handle host commands and device replies.
151 # We remove trailing \r\n from the strings before handling them.
152 self.es_block = es
153 if rxtx == RX:
154 self.handle_device_reply(rxtx, self.cmd[rxtx][:-2])
155 elif rxtx == TX:
156 self.handle_host_command(rxtx, self.cmd[rxtx][:-2])
157
158 self.cmd[rxtx] = ''