/* main entry point */
int main(int argc, char *argv[])
{
int ret;
/* init the default settings */
struct settings_t settings;
settings.gpio_base = 55;
settings.gpio_count = MAX_GPIO_COUNT;
settings.loop = 0;
settings.poll = 0;
settings.poll_timeout = -1;
print_info();
/* parse the cmdline arguments */
handle_parameters(argc, argv, &settings);
/* initialize the gpio file names */
init_gpio_filenames(settings.gpio_base, settings.gpio_count, settings.gpio_filenames);
/* read the gpios */
read_gpios(settings.gpio_count, settings.gpio_states, settings.gpio_filenames);
/* print the states of the gpios */
printf("initial values:\n");
print_gpios(settings.gpio_base, settings.gpio_count, settings.gpio_states);
printf("\n");
/* keep reading gpios cpu intensive in a tight loop */
if (settings.loop)
enter_read_gpios_loop(settings.gpio_base, settings.gpio_count, settings.gpio_states, settings.gpio_filenames);
/* poll the gpios once */
if (settings.poll)
{
init_gpio_edges(settings.gpio_base, settings.gpio_count, settings.gpio_edge_filenames);
if (read_edges(settings.gpio_count, settings.gpio_edge_values, settings.gpio_edge_filenames))
if (validate_edges(settings.gpio_base, settings.gpio_count, settings.gpio_edge_values))
enter_poll_gpios(settings.gpio_base, settings.gpio_count, settings.poll_timeout, settings.gpio_states, settings.gpio_filenames);
}
}
static void _generate_edges(uint8_t * edgesOut, int cornerParity) {
Perm * p = rand_perm(12);
if (perm_parity(p) != cornerParity) {
rand_change_parity(p);
}
uint16_t edgeOrientations = 0;
int i;
for (i = 0; i < 12; i++) {
int piece = p->map[i];
int s1, s2;
cube_perm_edge_symmetries(piece, i, &s1, &s2);
int sym = rand() % 2 == 0 ? s1 : s2;
edgesOut[i] = piece | (sym << 4);
if (i == 11) {
if (!validate_edges(edgesOut)) {
int newSym = sym == s1 ? s2 : s1;
edgesOut[i] = piece | (newSym << 4);
}
}
}
perm_free(p);
}