OcAudioGenBeep.c File Reference

#include <Library/BaseMemoryLib.h>
#include <Library/BaseOverflowLib.h>
#include <Library/DebugLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/OcAudioLib.h>
#include <Library/OcMiscLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Protocol/AppleHda.h>
#include <Protocol/AppleBeepGen.h>
#include <Protocol/AppleVoiceOver.h>
#include "OcAudioInternal.h"

Go to the source code of this file.

Macros
#define	OC_BEEP_AUDIO_FREQUENCY   EfiAudioIoFreq44kHz
#define	OC_BEEP_AUDIO_BITS   EfiAudioIoBits16
#define	OC_BEEP_AUDIO_CHANNELS   2
#define	OC_BEEP_AUDIO_LENGTH   3810
	Microseconds.

Functions
EFI_STATUS EFIAPI	InternalOcAudioGenBeep (IN UINT32 ToneCount, IN UINTN ToneLength, IN UINTN SilenceLength)

Variables
STATIC INT16	mAudioBeepSignal []

Detailed Description

Copyright (C) 2020, vit9696. All rights reserved.

All rights reserved.

This program and the accompanying materials are licensed and made available under the terms and conditions of the BSD License which accompanies this distribution. The full text of the license may be found at http://opensource.org/licenses/bsd-license.php

THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

Definition in file OcAudioGenBeep.c.

Macro Definition Documentation

OC_BEEP_AUDIO_BITS

#define OC_BEEP_AUDIO_BITS   EfiAudioIoBits16

Definition at line 30 of file OcAudioGenBeep.c.

OC_BEEP_AUDIO_CHANNELS

#define OC_BEEP_AUDIO_CHANNELS   2

Definition at line 31 of file OcAudioGenBeep.c.

OC_BEEP_AUDIO_FREQUENCY

#define OC_BEEP_AUDIO_FREQUENCY   EfiAudioIoFreq44kHz

Definition at line 29 of file OcAudioGenBeep.c.

OC_BEEP_AUDIO_LENGTH

#define OC_BEEP_AUDIO_LENGTH   3810

Microseconds.

Definition at line 32 of file OcAudioGenBeep.c.

Function Documentation

InternalOcAudioGenBeep()

EFI_STATUS EFIAPI InternalOcAudioGenBeep	(	IN UINT32	ToneCount,
		IN UINTN	ToneLength,
		IN UINTN	SilenceLength )

Definition at line 53 of file OcAudioGenBeep.c.

Variable Documentation

mAudioBeepSignal

STATIC INT16 mAudioBeepSignal[]

Initial value:

= {
  -1504,  -1504,  -5272,  -5272,  -10116, -10116, -15172, -15172, -19368, -19368, -22302, -22302, -23904, -23904, -24295, -24295, -23519, -23519, -21508, -21508, -17967, -17967, -13030, -13030, -7321,  -7321,  -1404,  -1404,  4370,   4370,   10050,  10050,
  15890,  15890,  21430,  21430,  25688,  25688,  27981,  27981,  28493,  28493,  28201,  28201,  27670,  27670,  26490,  26490,  24152,  24152,  20977,  20977,  17602,  17602,  14654,  14654,  12061,  12061,  9200,   9200,   5857,   5857,   2474,   2474,  -527,    -527,   -3031, -3031,
  -5103,  -5103,  -6973,  -6973,  -8623,  -8623,  -9690,  -9690,  -10039, -10039, -9923,  -9923,  -9535,  -9535,  -9031,  -9031,  -8553,  -8553,  -7876,  -7876,  -6875,  -6875,  -5608,  -5608,  -4026,  -4026,  -2370,  -2370,  -1121,  -1121,  -336,   -336,  131,     131,    367,   367,
  257,    257,    -396,   -396,   -1404,  -1404,  -2396,  -2396,  -3258,  -3258,  -3866,  -3866,  -4198,  -4198,  -4613,  -4613,  -5018,  -5018,  -5082,  -5082,  -4812,  -4812,  -4197,  -4197,  -3242,  -3242,  -2204,  -2204,  -1307,  -1307,  -473,   -473,  470,     470,    1514,  1514, 2245,   2245,
  2218,   2218,   1336,   1336,   -32,    -32,    -971,   -971,   -1076,  -1076,  -936,   -936,   -1275,  -1275,  -2143,  -2143,  -3144,  -3144,  -3688,  -3688,  -3565,  -3565,  -3090,  -3090,  -2382,  -2382,  -1042,  -1042,  1532,   1532,   5614,   5614,  10709,   10709,  15757, 15757,19722,  19722,
  22252,  22252,  23435,  23435,  23553,  23553,  22752,  22752,  20692,  20692,  17020,  17020,  12007,  12007,  6316,   6316,   570,    570,    -4909,  -4909,  -10447, -10447, -16295, -16295, -21831, -21831, -25958, -25958, -27987, -27987, -28310, -28310,-28113,  -28113,
  -27797, -27797, -26762, -26762, -24515, -24515, -21306, -21306, -17897, -17897, -14966, -14966, -12300, -12300, -9235,  -9235,  -5690,  -5690,  -2042,  -2042,  1325,   1325,   4035,   4035,   6121,   6121,   7910,   7910,   9433,   9433,   10360,  10360, 10655,   10655,
  10410,  10410,  9832,   9832,   9220,   9220,   8653,   8653,   7880,   7880,   6845,   6845,   5421,   5421,   3623,   3623,   1968,   1968,   898,    898,    333,    333,    19,     19,     -146,   -146,   97,     97,     919,    919,    1945,   1945,  2814,    2814,   3448,  3448, 3795,   3795, 4155,  4155, 4605, 4605,
  4751,   4751,   4500,   4500,   3993,   3993,   3218,   3218,   2196,   2196,   1248,   1248,   385,    385,    -354,   -354,   -1161,  -1161,  -1758,  -1758,  -1857,  -1857,  -1105,  -1105,  254,    254,    1642,   1642,   2095,   2095,   1912,   1912,  1827,    1827,   2309,  2309, 2993,   2993, 3416,  3416,
  3203,   3203,   2549,   2549,   1911,   1911
}

Definition at line 38 of file OcAudioGenBeep.c.