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00001 /* 00002 * COPYRIGHT: See COPYING in the top level directory 00003 * PROJECT: ReactOS kernel 00004 * FILE: ntoskrnl/hal/x86/beep.c 00005 * PURPOSE: Speaker function (it's only one) 00006 * PROGRAMMER: Eric Kohl 00007 * UPDATE HISTORY: 00008 * Created 31/01/99 00009 */ 00010 00011 /* INCLUDES *****************************************************************/ 00012 00013 #include <hal.h> 00014 #define NDEBUG 00015 #include <debug.h> 00016 00017 00018 /* CONSTANTS *****************************************************************/ 00019 00020 #define TIMER2 0x42 00021 #define TIMER3 0x43 00022 #define PORT_B 0x61 00023 #define CLOCKFREQ 1193167 00024 00025 00026 /* FUNCTIONS *****************************************************************/ 00027 /* 00028 * FUNCTION: Beeps the speaker. 00029 * ARGUMENTS: 00030 * Frequency = If 0, the speaker will be switched off, otherwise 00031 * the speaker beeps with the specified frequency. 00032 */ 00033 00034 BOOLEAN 00035 NTAPI 00036 HalMakeBeep ( 00037 ULONG Frequency 00038 ) 00039 { 00040 return TRUE; 00041 } 00042 Generated on Sat May 26 2012 04:17:00 for ReactOS by
1.7.6.1
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