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

   1 #include "pico/cyw43_arch.h"
   2 #include "pico/stdlib.h"
   3 #include "pico/util/queue.h"
   4
   5 #include "blink.h"
   6 #include "button.h"
   7 #include "config.h"
   8 #include "net.h"
   9
  10 queue_t queue;
  11
  12 static void button_pressed() {
  13   /* This runs in interrupt context; don't linger.  */
  14   static uint64_t last_button_press_time = 0;
  15   uint64_t now = time_us_64();
  16   uint64_t time_since_last_press = now - last_button_press_time;
  17   if (time_since_last_press > minimum_microseconds_between_button_presses) {
  18     last_button_press_time = now;
  19     char zero = '\0';
  20     /* We don't check for failure (full queue) here because there's not much to
  21      * be done about it. */
  22     queue_try_add(&queue, &zero);
  23   }
  24 }
  25
  26 int main() {
  27   stdio_init_all();
  28   if (cyw43_arch_init_with_country(CYW43_COUNTRY_USA))
  29     signal_error_by_blinking();
  30   signal(1, 200);
  31   cyw43_arch_enable_sta_mode();
  32   signal(2, 200);
  33   if (cyw43_arch_wifi_connect_timeout_ms(wifi_ssid, wifi_pass,
  34                                          CYW43_AUTH_WPA2_AES_PSK, 90000))
  35     signal_error_by_blinking();
  36   signal(3, 200);
  37
  38   queue_init(&queue, 1, 99);
  39
  40   begin_listening_for_button_press(button_pressed);
  41
  42   u16_t seq = 0;
  43   while (1) {
  44     char _;
  45     queue_remove_blocking(&queue, &_);
  46     send_report(seq++, 0);
  47     signal(4, 200);
  48   }
  49 }