hmz007
36ed224bac
Signed-off-by: hmz007 <hmz007@gmail.com> Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
/* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* Private declarations for vboot_audio.c. Defined here for easier testing.
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*/
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#ifndef VBOOT_REFERENCE_VBOOT_AUDIO_PRIVATE_H_
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#define VBOOT_REFERENCE_VBOOT_AUDIO_PRIVATE_H_
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#include "vboot_api.h"
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#include "vboot_audio.h"
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typedef struct VbDevMusicNote {
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uint16_t msec;
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uint16_t frequency;
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} __attribute__((packed)) VbDevMusicNote;
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typedef struct VbDevMusic {
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uint8_t sig[4]; /* "$SND" */
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uint32_t checksum; /* crc32 over count & all notes */
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uint32_t count; /* number of notes */
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VbDevMusicNote notes[1]; /* gcc allows [0], MSVC doesn't */
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/* more VbDevMusicNotes follow immediately */
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} __attribute__((packed)) VbDevMusic;
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struct VbAudioContext {
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/* note tracking */
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VbDevMusicNote *music_notes;
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uint32_t note_count;
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uint32_t next_note;
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/* implementation flags */
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int background_beep;
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int free_notes_when_done;
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/* sound tracking */
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uint16_t current_frequency;
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uint64_t play_until;
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uint64_t last_time;
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};
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#ifdef FOR_TEST
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#define CUSTOM_MUSIC
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#endif
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#ifdef CUSTOM_MUSIC
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void *VbExGetMusicPtr(void);
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uint32_t VbExMaxMusicSize(void);
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#define CUSTOM_MUSIC_NOTES VbExGetMusicPtr()
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#define CUSTOM_MUSIC_MAXSIZE VbExMaxMusicSize()
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#else
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#define CUSTOM_MUSIC_NOTES 0
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#define CUSTOM_MUSIC_MAXSIZE 0
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#endif
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#endif /* VBOOT_REFERENCE_VBOOT_AUDIO_PRIVATE_H_ */
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