2 ## This file is part of the libsigrokdecode project.
4 ## Copyright (C) 2014 Matt Ranostay <mranostay@gmail.com>
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 import sigrokdecode as srd
23 class Decoder(srd.Decoder):
26 name = 'RGB LED (SPI)'
27 longname = 'RGB LED string decoder (SPI)'
28 desc = 'RGB LED string protocol (RGB values clocked over SPI).'
31 outputs = ['rgb_led_spi']
33 ('rgb', 'RGB values'),
36 def __init__(self, **kwargs):
37 self.ss_cmd, self.es_cmd = 0, 0
41 self.out_ann = self.register(srd.OUTPUT_ANN)
44 self.put(self.ss_cmd, self.es_cmd, self.out_ann, data)
46 def decode(self, ss, es, data):
47 ptype, mosi, miso = data
49 # Only care about data packets.
52 self.ss, self.es = ss, es
54 if len(self.mosi_bytes) == 0:
56 self.mosi_bytes.append(mosi)
58 # RGB value == 3 bytes
59 if len(self.mosi_bytes) != 3:
62 red, green, blue = self.mosi_bytes
63 rgb_value = int(red) << 16 | int(green) << 8 | int(blue)
66 self.putx([0, ['#%.6x' % rgb_value]])