+}
+
+void service_queue() {
+ u16_t seq = 0;
+ while (1) {
+ event_t e;
+ queue_remove_blocking(&queue, &e);
+ switch (e.type) {
+ case BUTTONPRESS: {
+ event_t send_e;
+ send_e.type = SEND;
+ send_e.send.timestamp = e.buttonpress.timestamp;
+ send_e.send.seq = seq++;
+ send_e.send.send_count = 0;
+ queue_try_add_ignoring_errors(&queue, &send_e);
+ } break;
+ case SEND: {
+ uint32_t now = time_s();
+ uint32_t ago = now - e.send.timestamp;
+ send_report(e.send.seq, ago);
+ e.send.send_count++;
+ if (e.send.send_count < config_resend_count)
+ queue_try_add_ignoring_errors(&queue, &e);
+ /* TODO: Sleep elsewhere. */
+ signal(e.send.send_count == 1 ? 2 : 1, 100);
+ sleep_ms(config_resend_interval_ms);
+ } break;
+ default:
+ signal_error_by_blinking();
+ }
+ }
+}
+
+int main() {
+ stdio_init_all();
+ if (cyw43_arch_init_with_country(CYW43_COUNTRY_USA))
+ signal_error_by_blinking();
+ cyw43_arch_enable_sta_mode();
+ signal(3, 100);
+ if (cyw43_arch_wifi_connect_timeout_ms(config_wifi_ssid, config_wifi_pass,
+ CYW43_AUTH_WPA2_AES_PSK, 90000))
+ signal_error_by_blinking();
+ signal(2, 300);
+
+ queue_init(&queue, sizeof(event_t), 99);
+
+ begin_listening_for_button_press(button_pressed);
+
+ service_queue();