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5cc2d7bb | 1 | ## |
50bd5d25 | 2 | ## This file is part of the libsigrokdecode project. |
5cc2d7bb | 3 | ## |
5b2b0b0d | 4 | ## Copyright (C) 2012-2013 Uwe Hermann <uwe@hermann-uwe.de> |
5cc2d7bb UH |
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 | 24 | |
d9c0d0a3 UH |
25 | # ... |
26 | RX = 0 | |
27 | TX = 1 | |
28 | ||
677d597b | 29 | class Decoder(srd.Decoder): |
a2c2afd9 | 30 | api_version = 1 |
5cc2d7bb | 31 | id = 'pan1321' |
3d3da57d UH |
32 | name = 'PAN1321' |
33 | longname = 'Panasonic PAN1321' | |
a465436e | 34 | desc = 'Bluetooth RF module with Serial Port Profile (SPP).' |
5cc2d7bb UH |
35 | license = 'gplv2+' |
36 | inputs = ['uart'] | |
37 | outputs = ['pan1321'] | |
9a12a6e7 | 38 | probes = [] |
b77614bc | 39 | optional_probes = [] |
9a12a6e7 | 40 | options = {} |
e97b6ef5 | 41 | annotations = [ |
e1f5df5b | 42 | ['Text (verbose)', 'Human-readable text (verbose)'], |
ee3e279c | 43 | ['Text', 'Human-readable text'], |
6bbd2a8a | 44 | ['Warnings', 'Human-readable warnings'], |
5cc2d7bb UH |
45 | ] |
46 | ||
47 | def __init__(self, **kwargs): | |
5dd1c937 | 48 | self.cmd = ['', ''] |
f9b0356b | 49 | self.ss_block = None |
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 | ||
f9b0356b UH |
58 | def putx(self, data): |
59 | self.put(self.ss_block, self.es_block, self.out_ann, data) | |
60 | ||
61 | def handle_host_command(self, rxtx, s): | |
5b2b0b0d UH |
62 | if s.startswith('AT+JPRO'): |
63 | p = s[s.find('=') + 1:] | |
6bbd2a8a UH |
64 | if p not in ('0', '1'): |
65 | self.putx([2, ['Warning: Invalid JPRO parameter "%s"' % p]]) | |
6bbd2a8a | 66 | return |
5b2b0b0d UH |
67 | onoff = 'off' if (p == '0') else 'on' |
68 | x = 'Leaving' if (p == '0') else 'Entering' | |
69 | self.putx([0, ['%s production mode' % x]]) | |
70 | self.putx([1, ['Production mode = %s' % onoff]]) | |
71 | elif s.startswith('AT+JRES'): | |
6bbd2a8a UH |
72 | if s != 'AT+JRES': # JRES has no params. |
73 | self.putx([2, ['Warning: Invalid JRES usage.']]) | |
6bbd2a8a | 74 | return |
5b2b0b0d UH |
75 | self.putx([0, ['Triggering a software reset']]) |
76 | self.putx([1, ['Reset']]) | |
77 | elif s.startswith('AT+JSEC'): | |
fd4aa8aa | 78 | pin = s[-4:] |
5b2b0b0d | 79 | self.putx([0, ['Host set the Bluetooth PIN to "' + pin + '"']]) |
e1f5df5b | 80 | self.putx([1, ['PIN = ' + pin]]) |
5dd1c937 | 81 | elif s.startswith('AT+JSLN'): |
fd4aa8aa | 82 | name = s[s.find(',') + 1:] |
5b2b0b0d | 83 | self.putx([0, ['Host set the Bluetooth name to "' + name + '"']]) |
e1f5df5b | 84 | self.putx([1, ['BT name = ' + name]]) |
5dd1c937 | 85 | else: |
f9b0356b | 86 | self.putx([0, ['Host sent unsupported command: %s' % s]]) |
e1f5df5b | 87 | self.putx([1, ['Unsupported command: %s' % s]]) |
5dd1c937 | 88 | |
f9b0356b | 89 | def handle_device_reply(self, rxtx, s): |
fd4aa8aa | 90 | if s == 'ROK': |
f9b0356b | 91 | self.putx([0, ['Device initialized correctly']]) |
e1f5df5b | 92 | self.putx([1, ['Init']]) |
fd4aa8aa | 93 | elif s == 'OK': |
f9b0356b | 94 | self.putx([0, ['Device acknowledged last command']]) |
e1f5df5b | 95 | self.putx([1, ['ACK']]) |
5dd1c937 UH |
96 | elif s.startswith('ERR'): |
97 | error = s[s.find('=') + 1:] | |
f9b0356b | 98 | self.putx([0, ['Device sent error code ' + error]]) |
e1f5df5b | 99 | self.putx([1, ['ERR = ' + error]]) |
5dd1c937 | 100 | else: |
f9b0356b | 101 | self.putx([0, ['Device sent an unknown reply: %s' % s]]) |
e1f5df5b | 102 | self.putx([1, ['Unknown reply: %s' % s]]) |
5dd1c937 | 103 | |
5cc2d7bb | 104 | def decode(self, ss, es, data): |
d9c0d0a3 | 105 | ptype, rxtx, pdata = data |
5cc2d7bb UH |
106 | |
107 | # For now, ignore all UART packets except the actual data packets. | |
b9e44d1e | 108 | if ptype != 'DATA': |
5cc2d7bb UH |
109 | return |
110 | ||
f9b0356b UH |
111 | # If this is the start of a command/reply, remember the start sample. |
112 | if self.cmd[rxtx] == '': | |
113 | self.ss_block = ss | |
114 | ||
5dd1c937 UH |
115 | # Append a new (ASCII) byte to the currently built/parsed command. |
116 | self.cmd[rxtx] += chr(pdata) | |
5cc2d7bb UH |
117 | |
118 | # Get packets/bytes until an \r\n sequence is found (end of command). | |
72a6cad4 | 119 | if self.cmd[rxtx][-2:] != '\r\n': |
5cc2d7bb UH |
120 | return |
121 | ||
5dd1c937 | 122 | # Handle host commands and device replies. |
fd4aa8aa | 123 | # We remove trailing \r\n from the strings before handling them. |
db9ebbc2 | 124 | self.es_block = es |
5dd1c937 | 125 | if rxtx == RX: |
f9b0356b | 126 | self.handle_device_reply(rxtx, self.cmd[rxtx][:-2]) |
5dd1c937 | 127 | elif rxtx == TX: |
f9b0356b | 128 | self.handle_host_command(rxtx, self.cmd[rxtx][:-2]) |
5cc2d7bb | 129 | else: |
decde15e | 130 | raise Exception('Invalid rxtx value: %d' % rxtx) |
5cc2d7bb | 131 | |
db9ebbc2 UH |
132 | self.cmd[rxtx] = '' |
133 |