# with simulation_only:
# V_c = vc_rlc(pwm_v, R, L, C)
err = bd.SUM('+-', reference, adc)
register_err(err)
return adc, err, duty, pwm_v
if __name__ == "__main__":
bd = BDSim().blockdiagram()
with bdsim_realtime.tuning.TcpClientTuner() as tuner:
target = bd.TUNABLE_WAVEFORM("sine", offset=1, tinker=True)
adc, err, duty, _pwm_v = control_rlc(bd, target, DEFAULT_KP,
DEFAULT_KI)
bd.TUNERSCOPE(target,
adc,
err,
duty,
nin=4,
labels=['Target', 'ADC', 'Error', 'Duty %'],
name='PID Tuning live feedback',
tuner=tuner)
bdsim_realtime.run(bd, tuner=tuner)
sine = bd.WAVEFORM('sine')
sine_neg_2 = bd.GAIN(-2, sine)
sine3 = bd.GAIN(3, sine)
# create a socket transport pair
send_socket, recv_socket = socket.socketpair()
# initialize the DATASENDER in another thread because it blocks until the handshake
thread = threading.Thread(target=bd.DATASENDER,
args=(send_socket.makefile('rwb'), sine, sine_neg_2,
sine3),
kwargs=dict(nin=3, clock=bd.clock(50, 'Hz')))
thread.start()
# this should wait for the handshake triggered by the previous thread
receiver = bd.DATARECEIVER(
recv_socket.makefile('rwb'),
nout=3,
# offset it by 30ms from sender's clock; so the sender executes at least once and this executes 10ms afterwards
clock=bd.clock(50, 'Hz', offset=0.03))
# the thread must be finished at this point
thread.join(0)
# finally write the results to a CSV
csv_writer = bd.CSV(open('bdsim-dataout.csv', 'w'), receiver[0:3], nin=3)
# lets jam!
bdsim_realtime.run(bd)