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   cyw43_arch_enable_sta_mode();
  31   signal(3, 100);
  32   if (cyw43_arch_wifi_connect_timeout_ms(wifi_ssid, wifi_pass,
  33                                          CYW43_AUTH_WPA2_AES_PSK, 90000))
  34     signal_error_by_blinking();
  35   signal(2, 300);
  36
  37   queue_init(&queue, 1, 99);
  38
  39   begin_listening_for_button_press(button_pressed);
  40
  41   u16_t seq = 0;
  42   while (1) {
  43     char _;
  44     queue_remove_blocking(&queue, &_);
  45     seq++;
  46     for (int i = 0; i < resend_count; i++) {
  47       send_report(seq, i);
  48       signal(i == 0 ? 2 : 1, 100);
  49       sleep_ms(resend_interval_ms);
  50     }
  51   }
  52 }