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 mode)'
27 longname = 'RGB LED string decoder (SPI mode)'
28 desc = 'Generic RGB LED string protocol (RGB values clocked over SPI).'
31 outputs = ['rgb_led_spi']
36 ['rgb', 'RGB values'],
39 def __init__(self, **kwargs):
40 self.cmd_ss, self.cmd_es = 0, 0
44 self.out_ann = self.register(srd.OUTPUT_ANN)
47 self.put(self.cmd_ss, self.cmd_es, self.out_ann, data)
49 def decode(self, ss, es, data):
50 ptype, mosi, miso = data
52 # Only care about data packets.
55 self.ss, self.es = ss, es
57 if len(self.mosi_bytes) == 0:
59 self.mosi_bytes.append(mosi)
61 # RGB value == 3 bytes
62 if len(self.mosi_bytes) != 3:
65 red, green, blue = self.mosi_bytes
66 rgb_value = int(red) << 16
67 rgb_value |= int(green) << 8
68 rgb_value |= int(blue)
71 self.putx([0, ["#%.6x" % rgb_value]])