+
+ def handle_idle(self, sym):
+ self.samplenum_edge = self.samplenum
+ se0_length = float(self.samplenum - self.samplenum_lastedge) / self.samplerate
+ if se0_length > 2.5e-6: # 2.5us
+ self.putpb(['RESET', None])
+ self.putb([10, ['Reset', 'Res', 'R']])
+ self.signalling = self.options['signalling']
+ elif se0_length > 1.2e-6 and self.signalling == 'low-speed':
+ self.putpb(['KEEP ALIVE', None])
+ self.putb([9, ['Keep-alive', 'KA', 'A']])
+
+ if sym == 'FS_J':
+ self.signalling = 'full-speed'
+ self.update_bitrate()
+ elif sym == 'LS_J':
+ self.signalling = 'low-speed'
+ self.update_bitrate()
+ self.oldsym = 'J'
+ self.state = 'IDLE'