def main():
tau = 1e-6
dt = 0.1e-6
model = MixedSignalModel('model', dt=dt)
model.add_analog_input('v_in')
model.add_analog_output('v_out', init=1.23)
model.add_eqn_sys([Deriv(model.v_out) == (model.v_in - model.v_out)/tau])
model.compile_and_print(VerilogGenerator())
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_eqn_sys([m.v_out == 0.123 * m.v_in])
m.compile_and_print(VerilogGenerator())
def gen_model(tau, dt, real_type):
model = MixedSignalModel('model', dt=dt, real_type=real_type)
model.add_analog_input('v_in')
model.add_analog_output('v_out')
model.add_digital_input('clk')
model.add_digital_input('rst')
model.add_eqn_sys([Deriv(model.v_out) == (model.v_in - model.v_out) / tau],
clk=model.clk,
rst=model.rst)
BUILD_DIR.mkdir(parents=True, exist_ok=True)
model_file = BUILD_DIR / 'model.sv'
model.compile_to_file(VerilogGenerator(), filename=model_file)
return model_file
def main():
tau = 1e-6
dt = 0.1e-6
model = MixedSignalModel('model', dt=dt)
model.add_analog_input('v_in')
model.add_analog_output('v_out')
model.add_digital_input('ctrl')
model.add_eqn_sys([
Deriv(
model.v_out) == eqn_case([0, 1 / tau], [model.ctrl]) * model.v_in -
model.v_out / tau
])
model.compile_and_print(VerilogGenerator())
def main():
tau_det_fast = 1e-9
tau_det_slow = 360e-9
dt = 4.6e-9
m = MixedSignalModel('model', dt=dt)
m.add_analog_input('v_in')
m.add_analog_output('v_out')
m.bind_name('in_gt_out', m.v_in > m.v_out)
# detector dynamics
m.add_eqn_sys([
Deriv(m.v_out) == eqn_case([0, 1 / tau_det_fast], [m.in_gt_out]) * (m.v_in - m.v_out) - (m.v_out / tau_det_slow)
])
m.compile_and_print(VerilogGenerator())
def main():
dt = 0.01e-6
cap = 0.16e-6
ind = 0.16e-6
res = 0.1
model = MixedSignalModel('model', dt=dt)
model.add_analog_input('v_in')
model.add_analog_output('v_out')
model.add_analog_state('i_ind', 100)
v_l = AnalogSignal('v_l')
v_r = AnalogSignal('v_r')
eqns = [
Deriv(model.i_ind) == v_l / ind,
Deriv(model.v_out) == model.i_ind / cap, v_r == model.i_ind * res,
model.v_in == model.v_out + v_l + v_r
]
model.add_eqn_sys(eqns)
model.compile_and_print(VerilogGenerator())
def main(cap=0.16e-6, ind=0.16e-6, res=0.1):
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
model = MixedSignalModel('rlc',
AnalogInput('v_in'),
AnalogOutput('v_out'),
dt=args.dt)
model.add_analog_state('i_ind', 100)
# internal variables
v_l = AnalogSignal('v_l')
v_r = AnalogSignal('v_r')
# define dynamics
eqns = [
Deriv(model.i_ind) == v_l / ind,
Deriv(model.v_out) == model.i_ind / cap, v_r == model.i_ind * res,
model.v_in == model.v_out + v_l + v_r
]
model.add_eqn_sys(eqns)
# define probes
#model.add_probe(model.i_ind)
# determine the output filename
filename = os.path.join(get_full_path(args.output),
f'{model.module_name}.sv')
print('Model will be written to: ' + filename)
# generate the model
model.compile_to_file(VerilogGenerator(), filename)
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
model = MixedSignalModel('filter', DigitalInput('ctrl'), AnalogInput('v_in'), AnalogOutput('v_out'), dt=args.dt)
# define dynamics
model.add_eqn_sys([
Deriv(model.v_out) == eqn_case([0, 1/tau], [model.ctrl])*model.v_in - model.v_out/tau
])
# determine the output filename
filename = os.path.join(get_full_path(args.output), f'{model.module_name}.sv')
print('Model will be written to: ' + filename)
# generate the model
model.compile_to_file(VerilogGenerator(), filename)