first commit

hid_mixer.h

@@ -0,0 +1,36 @@
+#pragma once
+
+#include "protocol.h"
+
+#include <stdint.h>
+#include <stdbool.h>
+
+typedef struct {
+    uint8_t vol;
+    char name[AUSIO_NAME_CHARS + 1];
+} mixer_session_t;
+
+typedef struct {
+    bool host_alive;
+    uint8_t session_count;
+    uint8_t selected;
+    uint8_t master_vol;
+    uint8_t page_start;
+    uint8_t n_visible;
+    mixer_session_t visible[AUSIO_MAX_VISIBLE];
+    bool ui_dirty;
+} mixer_state_t;
+
+void hid_mixer_init(void);
+void hid_mixer_task(void);
+
+mixer_state_t *hid_mixer_state(void);
+
+/* Queue deltas/buttons/pot for next input report */
+void hid_mixer_add_enc1(int8_t delta);
+void hid_mixer_add_enc2(int8_t delta);
+void hid_mixer_set_e1_sw(bool pressed);
+void hid_mixer_set_e2_sw(bool pressed);
+void hid_mixer_set_pot(uint8_t pot_0_100);
+
+bool hid_mixer_mounted(void);