class SamplerateError(Exception):
pass
+( ANN_BIT, ANN_RESET, ANN_RGB, ) = range(3)
+
class Decoder(srd.Decoder):
api_version = 3
id = 'rgb_led_ws281x'
('rgb', 'RGB'),
)
annotation_rows = (
- ('bits', 'Bits', (0, 1)),
- ('rgb-vals', 'RGB values', (2,)),
+ ('bits', 'Bits', (ANN_BIT, ANN_RESET,)),
+ ('rgb-vals', 'RGB values', (ANN_RGB,)),
)
options = (
{'id': 'type', 'desc': 'RGB or RGBW', 'default': 'RGB',
if key == srd.SRD_CONF_SAMPLERATE:
self.samplerate = value
+ def putg(self, ss, es, cls, text):
+ self.put(ss, es, self.out_ann, [cls, text])
+
def handle_bits(self, samplenum):
if self.options['type'] == 'RGB':
if len(self.bits) == 24:
grb = reduce(lambda a, b: (a << 1) | b, self.bits)
rgb = (grb & 0xff0000) >> 8 | (grb & 0x00ff00) << 8 | (grb & 0x0000ff)
- self.put(self.ss_packet, samplenum, self.out_ann,
- [2, ['#%06x' % rgb]])
+ text = ['#{:06x}'.format(rgb)]
+ self.putg(self.ss_packet, samplenum, ANN_RGB, text)
self.bits = []
self.ss_packet = None
else:
if len(self.bits) == 32:
grb = reduce(lambda a, b: (a << 1) | b, self.bits)
rgb = (grb & 0xff0000) >> 8 | (grb & 0x00ff00) << 8 | (grb & 0xff0000ff)
- self.put(self.ss_packet, samplenum, self.out_ann,
- [2, ['#%08x' % rgb]])
+ text = ['#{:08x}'.format(rgb)]
+ self.putg(self.ss_packet, samplenum, ANN_RGB, text)
self.bits = []
self.ss_packet = None
self.bits.append(bit_)
self.handle_bits(self.es)
- self.put(self.ss, self.es, self.out_ann, [0, ['%d' % bit_]])
- self.put(self.es, self.samplenum, self.out_ann,
- [1, ['RESET', 'RST', 'R']])
+ text = ['{:d}'.format(bit_)]
+ self.putg(self.ss, self.es, ANN_BIT, text)
+ text = ['RESET', 'RST', 'R']
+ self.putg(self.es, self.samplenum, ANN_RESET, text)
self.inreset = True
self.bits = []
# Ideal duty for T0H: 33%, T1H: 66%.
bit_ = (duty / period) > 0.5
- self.put(self.ss, self.samplenum, self.out_ann,
- [0, ['%d' % bit_]])
+ text = ['{:d}'.format(bit_)]
+ self.putg(self.ss, self.samplenum, ANN_BIT, text)
self.bits.append(bit_)
self.handle_bits(self.samplenum)