def main(tau=1e-6):
print('Running model generator...')
# parse command line arguments
parser = ArgumentParser()
parser.add_argument('-o', '--output', type=str)
parser.add_argument('--dt', type=float)
args = parser.parse_args()
# create the model
m = MixedSignalModel('filter', dt=args.dt)
m.add_analog_input('v_in')
m.add_analog_output('v_out')
c = m.make_circuit()
gnd = c.make_ground()
c.voltage('net_v_in', gnd, m.v_in)
c.diode('net_v_in', 'net_v_x', vf=0)
c.resistor('net_v_x', 'net_v_out', 1e3)
v_out = c.capacitor('net_v_out', gnd, 1e-9, voltage_range=1.5)
m.set_this_cycle(m.v_out, v_out)
# determine the output filename
filename = os.path.join(get_full_path(args.output), f'{m.module_name}.sv')
print('Model will be written to: ' + filename)
# generate the model
m.compile_to_file(VerilogGenerator(), filename)
def main():
dt = 0.1e-6
res = 1e3
cap = 1e-9
m = MixedSignalModel('model', dt=dt)
m.add_analog_input('v_in')
m.add_analog_output('v_out')
c = m.make_circuit()
gnd = c.make_ground()
c.capacitor('net_v_out', gnd, cap, voltage_range=RangeOf(m.v_out))
c.resistor('net_v_in', 'net_v_out', res)
c.voltage('net_v_in', gnd, m.v_in)
c.add_eqns(AnalogSignal('net_v_out') == m.v_out)
m.compile_and_print(VerilogGenerator())
def main(cap=1e-12, res=600):
ctrl = ExampleControl()
# define ports
m = MixedSignalModel('current_switch', dt=ctrl.dt)
m.add_digital_input('ctrl')
m.add_analog_input('v_in')
m.add_analog_output('v_out')
# define the circuit
c = m.make_circuit()
gnd = c.make_ground()
c.switch('net_v_in', 'net_v_out', m.ctrl, r_on=res, r_off=10e3 * res)
c.capacitor('net_v_out', gnd, cap, voltage_range=RangeOf(m.v_out))
c.voltage('net_v_in', gnd, m.v_in)
c.add_eqns(m.v_out == AnalogSignal('net_v_out'))
# write model
ctrl.write_model(m)
def main():
dt = 0.1e-6
m = MixedSignalModel('model', dt=dt)
m.add_analog_input('v_in')
m.add_analog_output('v_out')
m.add_digital_input('sw1')
m.add_digital_input('sw2')
c = m.make_circuit()
gnd = c.make_ground()
c.voltage('net_v_in', gnd, m.v_in)
c.switch('net_v_in', 'net_v_x', m.sw1, r_on=1.0, r_off=2.0)
c.switch('net_v_x', gnd, m.sw2, r_on=3.0, r_off=4.0)
c.add_eqns(
AnalogSignal('net_v_x') == m.v_out
)
m.compile_and_print(VerilogGenerator())
def main():
dt = 1e-9
m = MixedSignalModel('model', dt=dt)
m.add_analog_input('v_in')
m.add_analog_output('v_out')
m.add_digital_input('sw1')
m.add_digital_input('sw2')
c = m.make_circuit()
gnd = c.make_ground()
c.voltage('net_v_in', gnd, m.v_in)
c.switch('net_v_in', 'net_v_x', m.sw1)
c.switch('net_v_x', gnd, m.sw2)
c.inductor('net_v_in', 'net_v_x', 1, current_range=100)
c.add_eqns(AnalogSignal('net_v_x') == m.v_out)
m.compile_and_print(VerilogGenerator())