+/* tattlekey: A one-key UDP keyboard
+ * Copyright (C) 2023 Scott Worley <scottworley@scottworley.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
#ifndef SENDS_H
#define SENDS_H
#include "pico/cyw43_arch.h"
#include "pico/util/pheap.h"
+#include "pico/util/queue.h"
typedef struct {
uint32_t timestamp;
} press_t;
typedef struct {
- press_t *presses;
+ /* Queues of various sizes that hold presses. There is one queue for each
+ * send_count. */
+ queue_t *presses;
+
+ /* Tracks when each queue will be next ready-to-send. Empty queues are not in
+ * the heap. */
pheap_t *sleeps_heap;
+
+ /* The companion-array for the heap. */
+ queue_t **sleeps;
+
} press_pile_t;
press_pile_t *create_press_pile();
* Returns -1 if there's nothing pending. */
int32_t next_scheduled_send(press_pile_t *pp);
+/* Find a press ready for resend at or before `now`.
+ * Move it out of the press-pile `pp` and into into `press`.
+ * Or return false if there is no press due for re-send. */
+bool get_press_due_for_resend(press_pile_t *pp, uint32_t now, press_t *press);
+
#endif