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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 | ||
21 | ''' | |
22 | Serial Peripheral Interface protocol decoder. | |
23 | ||
24 | Details: | |
25 | TODO | |
26 | ||
27 | Protocol output format: | |
28 | ||
29 | SPI packet: | |
30 | [<cmd>, <data1>, <data2>] | |
31 | ||
32 | Commands: | |
33 | - 'DATA': <data1> contains the MISO data, <data2> contains the MOSI data. | |
34 | The data is _usually_ 8 bits (but can also be fewer or more bits). | |
35 | Both data items are Python numbers, not strings. | |
36 | - 'CS CHANGE': <data1> is the old CS# pin value, <data2> is the new value. | |
37 | Both data items are Python numbers (0/1), not strings. | |
38 | ||
39 | Examples: | |
40 | ['CS-CHANGE', 1, 0] | |
41 | ['DATA', 0xff, 0x3a] | |
42 | ['DATA', 0x65, 0x00] | |
43 | ['CS-CHANGE', 0, 1] | |
44 | ||
45 | ''' | |
46 | ||
47 | from .spi import * | |
48 |