sim.h

#pragma once
#include <core/kern.h>
#include <cstdlib>
 
static uint16_t getSimTimeStep(int argc, char *argv[]) {
    switch (argc) {
        case 1:
            k.log.info("using default simulation time step = 1ms\n");
            return 1000;
        case 2: break;
        default:
            k.log.warn("usage: %s [time_factor]\n", argv[0]);
            k.exit(EXIT_FAILURE);
    }
    uint16_t factor = strtol(argv[1],nullptr,10);
    if (factor < 1 || factor > 1000) {
        k.log.warn("factor _must_ be in range [1, 1000]\n");
        k.exit(EXIT_FAILURE);
    }
    uint16_t ret = 1000/factor;
    k.log.info("using simulation time step = %dus\n", ret);
    return ret;
}