www.pudn.com > drivers.rar > buzzer.h

/* 
 * BUZZER.H 
 * 
 * Buzzer and light control 
 * 
 * Target : ARM  
 * 
 * Copyright (c) Texas Instruments 1996 
 * 
 */ 
 
#define BZ_LEVEL       ARMIO_BUZZER 
#define LT_LEVEL       ARMIO_LIGHT 
 
// Bit definitions in CNTL 
#define BZ_ON			0x01	// start buzzer 
#define LT_ON			0x02	// start light 
 
// Buzzer control 
void BZ_Init(void); 
void BZ_Enable(void); 
void BZ_Disable(void); 
void BZ_Tone(int f); 
void BZ_Volume(int v); 
void BZ_IntHandler(void); 
void BZ_KeyBeep_ON(void); 
void BZ_KeyBeep_OFF(void); 
 
// LCD and keypad Light control 
void LT_Enable(void); 
void LT_Disable(void); 
void LT_Level(SYS_WORD8 level); 
SYS_BOOL LT_Status(void);