eldo_user

Eldo Control Language
Defining and Running Simulations
.define_testbench tb_rc(v_extract=4)
.param param_v = 5
.param param_r = 10k
.param param_c = 1m
v1 1 0 param_v
r1 1 2 param_r
c1 2 0 param_c ic=0
.tran 1 20 uic
* Give a name to the waveform to be able to retrieve it from the task.
.plot tran uc=v(2,0)
* Give a label to the extract to be able to retrieve it from the task.
.extract tran label=x_extract xthres(v(2,0), v_extract)
.end_define_testbench
.define_task t_simu
set pv = 0
set pr = 0
set pc = 0
set ptemp = 0
set extract_res = 0
set xval_res_vect = 0
set xval_res = 0
set uc_wave = 0
/* Run the simulation and get some results (parameter values,
extract value and waveform) inside local variables.*/
if (simulation( \
name="simu_rc/simu_rc.cir", \
tb_rc(), \
pv=@param_v, \
pr=@param_r, \
pc=@param_c, \
ptemp=@temp, /* temp is indeed an implicitly defined parameter. */ \
extract_res=@x_extract, \
uc_wave=@uc \
).simu_status == 0)
/* Call xval on the waveform to see if we get the same result as
the extract result. */
xval_res_vect = xval(uc_wave, 4)
/* xval_res_vect is a vector because there could be many values.
Take the first one here. */
xval_res = xval_res_vect[xval_res_vect.imin]
fprint(stdout, "Simulation succeeded:\n")
fprint(stdout, "with v=%.4eV, r=%.4eOhm, c=%.4eF, temp=%.4fC\n", pv,
pr, pc, ptemp)
fprint(stdout, "uc reaches 4V at %.4fs (.extract)\n", extract_res)
fprint(stdout, "uc reaches 4V at %.4fs (.plot + xval)\n", xval_res)
else
fprint(stdout, "Simulation failed\n")
endif
.end_define_task
.t_simu
Eldo® User's Manual, 15.3 847