Пример #1
0
Файл: main.c Проект: 8/gpio-poll
/* 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);
  }
}
Пример #2
0
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);
}