spi/tests/write_read.cpp

#include <stdio.h>
#include <verilated.h>

VerilatedContext *ctx;
TopModule *sim;

static void progress() {
	sim->eval();
	ctx->timeInc(1);
	sim->clk = !sim->clk;
}

static void progress_n(int f) {
	for (int i = 0; i < f; i++)
		progress();
}

int main(int argc, char **argv) {
	ctx = new VerilatedContext;
	ctx->traceEverOn(true);
	ctx->commandArgs(argc, argv);
	sim = new TopModule(ctx);
	sim->ss = 0;
	sim->clk = 0;
	sim->activate = 0;
	sim->rdy = 0;

	progress_n(8);
	sim->ss = 1;
	sim->rdy = 1;
	progress();

	sim->data_ctrl = 0b110011011111001100011111;
	sim->activate = 1;

	while (!sim->master_finished)
		progress();
	progress_n(5);
	sim->activate = 0;
	sim->ss = 0;
	sim->rdy = 0;
	progress_n(5);

	sim->data_ctrl = 0xFE3456;
	sim->activate = 1;
	sim->ss = 1;
	sim->rdy = 1;
	while (!sim->master_finished)
		progress();
	progress_n(5);
	sim->activate = 0;
	sim->ss = 0;
	sim->rdy = 0;
	progress_n(5);

	sim->final();
	delete sim;
	return 0;
}