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1 | ## |
2 | ## This file is part of the sigrok project. | |
3 | ## | |
4 | ## Copyright (C) 2012 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 | ||
5dd1c937 | 21 | # Panasonic PAN1321 Bluetooth module protocol decoder |
5cc2d7bb | 22 | |
677d597b | 23 | import sigrokdecode as srd |
5cc2d7bb UH |
24 | |
25 | # Annotation feed formats | |
26 | ANN_ASCII = 0 | |
27 | ||
d9c0d0a3 UH |
28 | # ... |
29 | RX = 0 | |
30 | TX = 1 | |
31 | ||
677d597b | 32 | class Decoder(srd.Decoder): |
a2c2afd9 | 33 | api_version = 1 |
5cc2d7bb | 34 | id = 'pan1321' |
3d3da57d UH |
35 | name = 'PAN1321' |
36 | longname = 'Panasonic PAN1321' | |
5cc2d7bb | 37 | desc = 'TODO.' |
5cc2d7bb UH |
38 | license = 'gplv2+' |
39 | inputs = ['uart'] | |
40 | outputs = ['pan1321'] | |
9a12a6e7 | 41 | probes = [] |
b77614bc | 42 | optional_probes = [] |
9a12a6e7 | 43 | options = {} |
e97b6ef5 | 44 | annotations = [ |
eb7082c9 | 45 | ['ASCII', 'TODO: description'], |
5cc2d7bb UH |
46 | ] |
47 | ||
48 | def __init__(self, **kwargs): | |
5dd1c937 | 49 | self.cmd = ['', ''] |
5cc2d7bb UH |
50 | |
51 | def start(self, metadata): | |
56202222 UH |
52 | # self.out_proto = self.add(srd.OUTPUT_PROTO, 'pan1321') |
53 | self.out_ann = self.add(srd.OUTPUT_ANN, 'pan1321') | |
5cc2d7bb UH |
54 | |
55 | def report(self): | |
56 | pass | |
57 | ||
5dd1c937 UH |
58 | def handle_host_command(self, ss, es, rxtx, s): |
59 | if s.startswith('AT+JSEC'): | |
fd4aa8aa | 60 | pin = s[-4:] |
5dd1c937 UH |
61 | self.put(ss, es, self.out_ann, |
62 | [ANN_ASCII, ['Host set the Bluetooth PIN to ' + pin]]) | |
63 | elif s.startswith('AT+JSLN'): | |
fd4aa8aa | 64 | name = s[s.find(',') + 1:] |
5dd1c937 UH |
65 | self.put(ss, es, self.out_ann, |
66 | [ANN_ASCII, ['Host set the Bluetooth name to ' + name]]) | |
67 | else: | |
68 | self.put(ss, es, self.out_ann, | |
decde15e | 69 | [ANN_ASCII, ['Host sent unsupported command: %s' % s]]) |
5dd1c937 UH |
70 | self.cmd[rxtx] = '' |
71 | ||
72 | def handle_device_reply(self, ss, es, rxtx, s): | |
fd4aa8aa | 73 | if s == 'ROK': |
5dd1c937 UH |
74 | self.put(ss, es, self.out_ann, |
75 | [ANN_ASCII, ['Device initialized correctly']]) | |
fd4aa8aa | 76 | elif s == 'OK': |
5dd1c937 UH |
77 | self.put(ss, es, self.out_ann, |
78 | [ANN_ASCII, ['Device acknowledged last command']]) | |
79 | elif s.startswith('ERR'): | |
80 | error = s[s.find('=') + 1:] | |
81 | self.put(ss, es, self.out_ann, | |
82 | [ANN_ASCII, ['Device sent error code ' + error]]) | |
83 | else: | |
84 | self.put(ss, es, self.out_ann, | |
decde15e | 85 | [ANN_ASCII, ['Device sent an unknown reply: %s' % s]]) |
5dd1c937 UH |
86 | self.cmd[rxtx] = '' |
87 | ||
5cc2d7bb | 88 | def decode(self, ss, es, data): |
d9c0d0a3 | 89 | ptype, rxtx, pdata = data |
5cc2d7bb UH |
90 | |
91 | # For now, ignore all UART packets except the actual data packets. | |
b9e44d1e | 92 | if ptype != 'DATA': |
5cc2d7bb UH |
93 | return |
94 | ||
5dd1c937 UH |
95 | # Append a new (ASCII) byte to the currently built/parsed command. |
96 | self.cmd[rxtx] += chr(pdata) | |
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97 | |
98 | # Get packets/bytes until an \r\n sequence is found (end of command). | |
5dd1c937 | 99 | if self.cmd[rxtx][-1:] != '\n': |
5cc2d7bb UH |
100 | return |
101 | ||
5dd1c937 | 102 | # Handle host commands and device replies. |
fd4aa8aa | 103 | # We remove trailing \r\n from the strings before handling them. |
5dd1c937 | 104 | if rxtx == RX: |
fd4aa8aa | 105 | self.handle_device_reply(ss, es, rxtx, self.cmd[rxtx][:-2]) |
5dd1c937 | 106 | elif rxtx == TX: |
fd4aa8aa | 107 | self.handle_host_command(ss, es, rxtx, self.cmd[rxtx][:-2]) |
5cc2d7bb | 108 | else: |
decde15e | 109 | raise Exception('Invalid rxtx value: %d' % rxtx) |
5cc2d7bb | 110 |