X-Git-Url: http://git.scottworley.com/tattlekey/blobdiff_plain/9efef936f83e7a0f30e95cbc95d4a5a165d9c32e..c8c900a6b1e1efdb42ddf7cd3d773f7c7cbed646:/client/tattlekey.c

diff --git a/client/tattlekey.c b/client/tattlekey.c
index 45059f6..b37773c 100644
--- a/client/tattlekey.c
+++ b/client/tattlekey.c
@@ -9,35 +9,47 @@
 
 queue_t queue;
 
+uint32_t time_s() { return time_us_64() / 1000000ul; }
+
 static void button_pressed() {
   /* This runs in interrupt context; don't linger.  */
-  char zero = '\0';
-  /* We don't check for failure (full queue) here because there's not much to be
-   * done about it. */
-  queue_try_add(&queue, &zero);
+  static uint64_t last_button_press_time = 0;
+  uint32_t now = time_s();
+  uint32_t time_since_last_press = now - last_button_press_time;
+  if (time_since_last_press >= minimum_seconds_between_button_presses) {
+    last_button_press_time = now;
+    /* We don't check for failure (full queue) here because there's not much to
+     * be done about it. */
+    queue_try_add(&queue, &now);
+  }
 }
 
 int main() {
   stdio_init_all();
   if (cyw43_arch_init_with_country(CYW43_COUNTRY_USA))
     signal_error_by_blinking();
-  signal(1, 200);
   cyw43_arch_enable_sta_mode();
-  signal(2, 200);
+  signal(3, 100);
   if (cyw43_arch_wifi_connect_timeout_ms(wifi_ssid, wifi_pass,
                                          CYW43_AUTH_WPA2_AES_PSK, 90000))
     signal_error_by_blinking();
-  signal(3, 200);
+  signal(2, 300);
 
-  queue_init(&queue, 1, 99);
+  queue_init(&queue, sizeof(uint32_t), 99);
 
   begin_listening_for_button_press(button_pressed);
 
   u16_t seq = 0;
   while (1) {
-    char _;
-    queue_remove_blocking(&queue, &_);
-    send_report(seq++, 0);
-    signal(4, 200);
+    uint32_t t;
+    queue_remove_blocking(&queue, &t);
+    seq++;
+    for (int i = 0; i < resend_count; i++) {
+      uint32_t now = time_s();
+      uint32_t ago = now - t;
+      send_report(seq, ago);
+      signal(i == 0 ? 2 : 1, 100);
+      sleep_ms(resend_interval_ms);
+    }
   }
 }