165     def mux(self, muxs):  member in Crossbar
169             for mux in muxs:
170                 if self.number == 0 and mux.pin[0] != 0 and mux.pin[0] != 1:
172                 if self.number == 1 and mux.pin[0] != 2 and mux.pin[0] != 3:
175                 if mux.signal not in bit.signals:
177                 if mux.signal in signal_muxs:
178                     raise Exception("duplicate signal", mux)
179                 if mux.pin < bit.pin_first or mux.pin > bit.pin_last:
180                     raise Exception("can't mux signal to pin", mux, bit)
182                 signal_muxs[mux.signal] = mux
194                 mux = signal_muxs[signal]
195                 pins.append(mux.pin)
199             for mux in signal_muxs.values():
200                 self.portbanks[mux.pin[0]].apply_mux(mux.pin[1], mux)
220     def apply_mux(self, pin, mux):  argument
221         if mux.pinmode == PinMode.ANALOG:
223         elif mux.pinmode == PinMode.DIGITAL_INPUT:
225         elif mux.pinmode == PinMode.PUSH_PULL_OUTPUT:
228             if mux.output_value:
230             elif not mux.output_value:
232             elif mux.output_value is None:
235                 raise Exception("unsupported output value", mux.output_value)
236         elif mux.pinmode is None:
239             raise Exception("unsupported pinmode", mux.pinmode)
304         crossbar.mux(pinmux_table)