## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
##
-# CAN protocol decoder
-
import sigrokdecode as srd
class Decoder(srd.Decoder):
'sample_point': ['Sample point', 70], # 70%
}
annotations = [
- ['Data', 'CAN payload data'],
- ['SOF', 'Start of frame'],
- ['EOF', 'End of frame'],
- ['ID', 'Identifier'],
- ['Ext. ID', 'Extended identifier'],
- ['Full ID', 'Full identifier'],
- ['IDE', 'Identifier extension bit'],
- ['Reserved bit', 'Reserved bit 0 and 1'],
- ['RTR', 'Remote transmission request'],
- ['SRR', 'Substitute remote request'],
- ['DLC', 'Data length count'],
- ['CRC sequence', 'CRC sequence'],
- ['CRC delimiter', 'CRC delimiter'],
- ['ACK slot', 'ACK slot'],
- ['ACK delimiter', 'ACK delimiter'],
- ['Stuff bit', 'Stuff bit'],
- ['Warnings', 'Human-readable warnings'],
+ ['data', 'CAN payload data'],
+ ['sof', 'Start of frame'],
+ ['eof', 'End of frame'],
+ ['id', 'Identifier'],
+ ['ext-id', 'Extended identifier'],
+ ['full-id', 'Full identifier'],
+ ['ide', 'Identifier extension bit'],
+ ['reserved-bit', 'Reserved bit 0 and 1'],
+ ['rtr', 'Remote transmission request'],
+ ['srr', 'Substitute remote request'],
+ ['dlc', 'Data length count'],
+ ['crc-sequence', 'CRC sequence'],
+ ['crc-delimiter', 'CRC delimiter'],
+ ['ack-slot', 'ACK slot'],
+ ['ack-delimiter', 'ACK delimiter'],
+ ['stuff-bit', 'Stuff bit'],
+ ['warnings', 'Human-readable warnings'],
]
def __init__(self, **kwargs):
self.reset_variables()
def start(self):
- # self.out_proto = self.add(srd.OUTPUT_PROTO, 'can')
- self.out_ann = self.add(srd.OUTPUT_ANN, 'can')
+ # self.out_proto = self.register(srd.OUTPUT_PYTHON)
+ self.out_ann = self.register(srd.OUTPUT_ANN)
def metadata(self, key, value):
if key == srd.SRD_CONF_SAMPLERATE:
self.bit_width = float(self.samplerate) / float(self.options['bitrate'])
self.bitpos = (self.bit_width / 100.0) * self.options['sample_point']
- def report(self):
- pass
-
# Generic helper for CAN bit annotations.
def putg(self, ss, es, data):
left, right = int(self.bitpos), int(self.bit_width - self.bitpos)