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/* Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Private declarations for vboot_audio.c. Defined here for easier testing.
*/
#ifndef VBOOT_REFERENCE_VBOOT_AUDIO_PRIVATE_H_
#define VBOOT_REFERENCE_VBOOT_AUDIO_PRIVATE_H_
#include "vboot_api.h"
#include "vboot_audio.h"
typedef struct VbDevMusicNote {
uint16_t msec;
uint16_t frequency;
} __attribute__((packed)) VbDevMusicNote;
typedef struct VbDevMusic {
uint8_t sig[4]; /* "$SND" */
uint32_t checksum; /* crc32 over count & all notes */
uint32_t count; /* number of notes */
VbDevMusicNote notes[1]; /* gcc allows [0], MSVC doesn't */
/* more VbDevMusicNotes follow immediately */
} __attribute__((packed)) VbDevMusic;
struct VbAudioContext {
/* note tracking */
VbDevMusicNote* music_notes;
uint32_t note_count;
uint32_t next_note;
/* implementation flags */
int background_beep;
int free_notes_when_done;
/* sound tracking */
uint16_t current_frequency;
uint64_t play_until;
uint64_t last_time;
};
#ifdef FOR_TEST
#define CUSTOM_MUSIC
#endif
#ifdef CUSTOM_MUSIC
void *VbExGetMusicPtr(void);
uint32_t VbExMaxMusicSize(void);
#define CUSTOM_MUSIC_NOTES VbExGetMusicPtr()
#define CUSTOM_MUSIC_MAXSIZE VbExMaxMusicSize()
#else
#define CUSTOM_MUSIC_NOTES 0
#define CUSTOM_MUSIC_MAXSIZE 0
#endif
#endif /* VBOOT_REFERENCE_VBOOT_AUDIO_PRIVATE_H_ */
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