eldo_user

Eldo Control Language
Simulation Dynamic Control
.define_task t_osc
set w = 0
set res = simulation(
/* netlist to simulate. */
+ tb_osc(),
/* The callback defined below will be called when the
* frequency is stabilized at 7 MHz.
* 'period_osc' is a vector so need to specify '[LAST]'
* to get the last calculated period.
* Need to add a condition on time because the frequency
* is erratic at the beginning before falling progressively
* to 7 MHz.
*/
+ callback=f_callback_osc(),
+ condition="(meas(period_osc[LAST]) > (1/7Meg)) && (time>1u)",
/* To save the wave in the wdb file. */
+ w=@w_osc)
if (res.simu_status == 0)
fprint(stdout, "Simulation succeeded.\n")
else
fprint(stdout, "Simulation failed.\n")
endif
.end_define_task
.define_function f_callback_osc()
/* It is the callback function that will be called
* when the condition is met.
*/
set i = 0
/* Get the time where the simulation was stopped. */
set curtime = _simu_get("time")
/* Get some extract values using '_simu_get_extract'. */
set max_v = _simu_get_extract("max_v_osc")
/* v_period i a vector. */
set v_period = _simu_get_extract("period_osc")
/* Get the last frequency. */
set freq = 1 / v_period[v_period.imax]
fprint(stdout, "Evolution of the frequency of the waveform from 0 s to
%.2e s:\n", curtime) for (i = v_period.imin; i