git.scottworley.com Git - tattlekey/blob - client/blink.c

   1 /* tattlekey: A one-key UDP keyboard
   2  * Copyright (C) 2023  Scott Worley <scottworley@scottworley.com>
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  16  */
  17
  18 #include "pico/cyw43_arch.h"
  19 #include "pico/stdlib.h"
  20
  21 #include "blink.h"
  22
  23 void one_blink(int duration) {
  24   cyw43_arch_gpio_put(CYW43_WL_GPIO_LED_PIN, 1);
  25   sleep_ms(duration);
  26   cyw43_arch_gpio_put(CYW43_WL_GPIO_LED_PIN, 0);
  27   sleep_ms(duration);
  28 }
  29
  30 void signal(int count, int duration) {
  31   for (int i = 0; i < count; i++)
  32     one_blink(duration);
  33   sleep_ms(1000);
  34 }
  35
  36 void blink_forever(int duration) {
  37   while (true) {
  38     one_blink(duration);
  39   }
  40 }
  41
  42 void signal_error_by_blinking() { blink_forever(100); }
  43 void signal_success_by_blinking() { blink_forever(400); }