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 >= config_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);
- if (cyw43_arch_wifi_connect_timeout_ms(wifi_ssid, wifi_pass,
+ 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(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 < config_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(config_resend_interval_ms);
+ }
}
}