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https://github.com/CloverHackyColor/CloverBootloader.git
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77 lines
1.8 KiB
C
77 lines
1.8 KiB
C
/** @file
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Copyright (C) 2014 - 2016, Download-Fritz. All rights reserved.<BR>
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This program and the accompanying materials are licensed and made available
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under the terms and conditions of the BSD License which accompanies this
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distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php.
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef APPLE_BEEP_GEN_H
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#define APPLE_BEEP_GEN_H
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/**
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Apple Beep Generator protocol
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C32332DF-FC56-4FE1-9358-BA0D529B24CD
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**/
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#define APPLE_BEEP_GEN_PROTOCOL_GUID \
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{ 0xC32332DF, 0xFC56, 0x4FE1, \
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{ 0x93, 0x58, 0xBA, 0x0D, 0x52, 0x9B, 0x24, 0xCD } }
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/**
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Note, ToneLength and SilenceLength were in microseconds for older models:
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- MacBookPro1,1
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- MacBookPro1,1
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- MacBookPro1,2
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- MacBookPro2,1
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- MacBookPro2,2
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- MacBookP1,1
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- MacBookP1,2
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- MacBookP2,1
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- MacBookP2,2
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- MacBook1,1
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- MacBook2,1
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- Macmini1,1
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- Macmini2,1
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- iMac4,1
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- iMac4,2
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- iMac5,1
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- iMac5,2
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- iMac6,1
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- MacPro1,1
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- MacPro2,1
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- XServe1,1
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**/
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/**
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Generate cycles of beep signals with silence afterwards, blocking.
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@param[in] ToneCount Number of signals to produce.
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@param[in] ToneLength Signal length in milliseconds.
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@param[in] SilenceLength Silence length in milliseconds.
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@retval EFI_SUCCESS after signal completion.
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@retval EFI_SUCCESS if ToneCount is 0.
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**/
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typedef
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EFI_STATUS
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(EFIAPI *APPLE_BEEP_GEN_BEEP) (
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IN UINT32 ToneCount,
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IN UINTN ToneLength,
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IN UINTN SilenceLength
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);
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/**
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All protocol members are optional and can be NULL.
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**/
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typedef struct {
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APPLE_BEEP_GEN_BEEP GenBeep; ///< Can be NULL.
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} APPLE_BEEP_GEN_PROTOCOL;
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extern EFI_GUID gAppleBeepGenProtocolGuid;
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#endif // APPLE_BEEP_GEN_H
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