📄 alerter.c
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/*****************************************************************************
* Copyright Statement:
* --------------------
* This software is protected by Copyright and the information contained
* herein is confidential. The software may not be copied and the information
* contained herein may not be used or disclosed except with the written
* permission of MediaTek Inc. (C) 2005
*
* BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
* THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
* RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON
* AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
* NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
* SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
* SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH
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*
* BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE
* LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
* AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
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* MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
*
* THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE
* WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF
* LAWS PRINCIPLES. ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND
* RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER
* THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC).
*
*****************************************************************************/
/*****************************************************************************
*
* Filename:
* ---------
* alerter.c
*
* Project:
* --------
* Maui_Software
*
* Description:
* ------------
* This Module defines the alerter driver(buzzer).
*
* Author:
* -------
* -------
*
*============================================================================
* HISTORY
* Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
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*------------------------------------------------------------------------------
* Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
*============================================================================
****************************************************************************/
#include "drv_comm.h"
#include "reg_base.h"
#include "alerter_hw.h"
#include "alerter_sw.h"
#include "melody.h"
#include "gpt_sw.h"
#include "drvpdn.h"
#include "custom_hw_default.h"
ALterNoteStruct ALterNote;
static kal_uint8 ALTER_LEVEL_SAVE;
static kal_uint8 AlerVolume=0xff;
extern const kal_uint16 MusicalNoteTable_C1[];
extern const kal_uint16 MusicalNoteTable_C2[];
extern const kal_uint16 MusicalNoteTable_Thres[];
void Alter_PlayOnNotes(void *parameter);
void Alter_PlayOffNotes(void *parameter);
void StopAlterNotes(void);
/*
* FUNCTION
* ALERTER_PWROPEN
*
* DESCRIPTION
* This function is to open or close the alerter power
*
* CALLS
* It is called to open or close the alerter power
*
* PARAMETERS
* ENABLE : KAL_TRUE,power on.
* KAL_FALSE,power off.
*
* RETURNS
* None
*
* GLOBALS AFFECTED
* external_global
*/
void ALERTER_PWROPEN(kal_bool ENABLE)
{
if (ENABLE == KAL_TRUE)
{
DRVPDN_Disable(DRVPDN_CON1,DRVPDN_CON1_ALTER,PDN_ALTER); //Open ALERTER power
}
else
{
DRVPDN_Enable(DRVPDN_CON1,DRVPDN_CON1_ALTER,PDN_ALTER);
}
}
/*
* FUNCTION
* ALERTER_Output
*
* DESCRIPTION
* This function is to set Alerter output is pdm or pwm
*
* CALLS
* It is called to set Alerter output
*
* PARAMETERS
* outtype : pwm, pdm
*
* RETURNS
* None
*
* GLOBALS AFFECTED
* external_global
*/
void ALERTER_Output(kal_uint8 outtype)
{
if (outtype == pdm)
{
DRV_Reg(ALERTER_CTRL) |= ALERTER_CTRL_PDMOUTPUT;
}
else
{
DRV_Reg(ALERTER_CTRL) &= ~ALERTER_CTRL_PDMOUTPUT;
}
}
/*
* FUNCTION
* ALERTER_Config
*
* DESCRIPTION
* Alerter initial function
*
* CALLS
* It is called before access the alerter.
*
* PARAMETERS
* mode: m1,m2,m3
* Clock: c13_1MHZ,
* c13_2MHZ,
* c13_4MHZ,
* c13_8MHZ
*
* RETURNS
* None
*
* GLOBALS AFFECTED
* external_global
*/
void ALERTER_Config(ALMode mode, ALClock Clock)
{
kal_uint16 tmp = DRV_Reg(ALERTER_CTRL);
switch(Clock)
{
case c13_1MHZ:
tmp |= ALERTER_CTRL_CLK_1;
break;
case c13_2MHZ:
tmp |= ALERTER_CTRL_CLK_2;
break;
case c13_4MHZ:
tmp |= ALERTER_CTRL_CLK_4;
break;
case c13_8MHZ:
tmp |= ALERTER_CTRL_CLK_8;
break;
default:
break;
}
switch(mode)
{
case m1:
tmp &= ~ALERTER_CTRL_MODEMASK;
tmp |= ALERTER_CTRL_MODE1;
break;
case m2:
tmp &= ~ALERTER_CTRL_MODEMASK;
tmp |= ALERTER_CTRL_MODE2;
break;
case m3:
tmp &= ~ALERTER_CTRL_MODEMASK;
tmp |= ALERTER_CTRL_MODE3;
break;
default:
break;
}
DRV_WriteReg(ALERTER_CTRL,tmp);
}
/*
* FUNCTION
* Alter_PlayNotes
*
* DESCRIPTION
* This function is to play the notes from alerter
*
* CALLS
*
* PARAMETERS
* note: note value
* volume: note volume, 0~7
*
* RETURNS
* None
*
* GLOBALS AFFECTED
* external_global
*/
/*volume = 0-7*/
void Alter_PlayNotes(kal_uint8 note, kal_uint8 volume)
{
kal_uint16 level;
if (volume > 7)
volume = 7;
level = (0x0001 << volume);
if (note > (kal_uint8)B7)
{
DRVPDN_Enable(DRVPDN_CON1,DRVPDN_CON1_ALTER,PDN_ALTER);
}
else
{
ALERTER_setCNT1(MusicalNoteTable_C1[note]);
if (volume == 0)
{
ALERTER_setTHRES(1); /*Mute*/
}
else
{
ALERTER_setTHRES((MusicalNoteTable_Thres[note]*level));
}
ALERTER_setCNT2(MusicalNoteTable_C2[note]);
DRVPDN_Disable(DRVPDN_CON1,DRVPDN_CON1_ALTER,PDN_ALTER);
}
}
/*
* FUNCTION
* Alter_PlayOnNotes
*
* DESCRIPTION
* This function is to play the note during ON period.
* This function is a callback function from GPT module.
*
* CALLS
*
* PARAMETERS
* *parameter: GPT parameter
*
* RETURNS
* None
*
* GLOBALS AFFECTED
* external_global
*/
void Alter_PlayOnNotes(void *parameter)
{
kal_bool result;
kal_uint8 volume;
ALterNoteStruct *ALterNoteData=(ALterNoteStruct *)parameter;
GPTI_StopItem(ALterNoteData->handle);
if (ALterNoteData->stop)
{
StopAlterNotes();
ALterNoteData->EndofAlterPlay();
return;
}
result = ALterNoteData->GetNotesCallbac(&ALterNoteData->NotesData);
if (result == 0) /* The latest one */
{
ALterNoteData->stop = KAL_TRUE;
}
if (AlerVolume == 0xff) /*May be changed if each tone each volume*/
{
volume = ALterNoteData->NotesData.volume;
}
else
{
volume = AlerVolume;
}
Alter_PlayNotes(ALterNoteData->NotesData.pitch,
volume);
if (ALterNoteData->NotesData.off_duration != 0)
{
GPTI_StartItem(ALterNoteData->handle,
(ALterNoteData->NotesData.on_duration/gptimer_interval),
Alter_PlayOffNotes, &ALterNote);
}
else
{
GPTI_StartItem(ALterNoteData->handle,
(ALterNoteData->NotesData.on_duration/gptimer_interval),
Alter_PlayOnNotes, &ALterNote);
}
}
/*
* FUNCTION
* Alter_PlayOffNotes
*
* DESCRIPTION
* This function is to play the note during OFF period.
* This function is a callback function from GPT module.
*
* CALLS
*
* PARAMETERS
* *parameter: GPT parameter
*
* RETURNS
* None
*
* GLOBALS AFFECTED
* external_global
*/
void Alter_PlayOffNotes(void *parameter)
{
ALterNoteStruct *ALterNoteData=(ALterNoteStruct *)parameter;
GPTI_StopItem(ALterNoteData->handle);
DRVPDN_Enable(DRVPDN_CON1,DRVPDN_CON1_ALTER,PDN_ALTER);
GPTI_StartItem(ALterNoteData->handle,
(ALterNoteData->NotesData.off_duration/gptimer_interval),
Alter_PlayOnNotes,&ALterNote);
}
/*
* FUNCTION
* PlayAlterNotes
*
* DESCRIPTION
* This function is the main function to play the audio from buzzer.
*
* CALLS
*
* PARAMETERS
* GetNotecallbac: callback function, when we need note information
* endofAlter: callback function, when the audio is end.
*
* RETURNS
* None
*
* GLOBALS AFFECTED
* external_global
*/
void PlayAlterNotes(kal_bool (*GetNotecallbac)(BuzNoteStruct *Buz), void (*endofAlter)(void))
{
GPTI_StopItem(ALterNote.handle);
ALterNote.stop = KAL_FALSE;
ALterNote.GetNotesCallbac = GetNotecallbac;
ALterNote.EndofAlterPlay = endofAlter;
#ifdef MTK_SLEEP_ENABLE
DRVPDN_Disable(DRVPDN_CON1,DRVPDN_CON1_ALTER,PDN_ALTER);
#endif
GPTI_StartItem(ALterNote.handle,1,Alter_PlayOnNotes,&ALterNote);
}
/*
* FUNCTION
* StopAlterNotes
*
* DESCRIPTION
* This function is stop the audio from buzzer.
*
* CALLS
*
* PARAMETERS
* None
*
* RETURNS
* None
*
* GLOBALS AFFECTED
* external_global
*/
void StopAlterNotes(void)
{
GPTI_StopItem(ALterNote.handle);
DRVPDN_Enable(DRVPDN_CON1,DRVPDN_CON1_ALTER,PDN_ALTER);
}
/*
* FUNCTION
* SetBuzVolume
*
* DESCRIPTION
* This function is stop the audio from buzzer.
*
* CALLS
*
* PARAMETERS
* volumn: the Buzzer volume
*
* RETURNS
* None
*
* GLOBALS AFFECTED
* external_global
*/
void SetBuzVolume(kal_uint8 volumn)
{
volumn >>= 5;
AlerVolume = volumn;
}
/*The below apis are used only when in PWM mode*/
/*duty=50 ==> 50%*/
void Alter_Configure(kal_uint32 freq, kal_uint8 duty)
{
kal_uint32 clock;
kal_uint32 tmp;
kal_uint16 clkdiv;
kal_uint16 reg;
ASSERT(duty <= 100);
reg = DRV_Reg(ALERTER_CTRL);
ASSERT((reg&0x0018) == 0x0010);
clkdiv = (1 << (reg & 0x0003));
if (reg & 0x0004)
clock = 32000;
else
clock = 13000000;
clock = clock/clkdiv;
if(0==freq)
tmp = clock/(freq+1);
else
tmp = clock/(freq);
tmp--;
DRV_WriteReg(ALERTER_CNT1,(kal_uint16)tmp);
tmp = ((tmp+1)*duty)/100;
DRV_WriteReg(ALERTER_THRES,(kal_uint16)tmp);
}
void Alter_Start(void)
{
DRVPDN_Disable(DRVPDN_CON1,DRVPDN_CON1_ALTER,PDN_ALTER);
}
void Alter_Stop(void)
{
DRVPDN_Enable(DRVPDN_CON1,DRVPDN_CON1_ALTER,PDN_ALTER);
}
void Alter_level(kal_uint8 level)
{
if (level > 5)
ASSERT(0);
ALTER_LEVEL_SAVE = level;
if (level)
{
Alter_Configure(Alter_Level_Info[level-1][0],Alter_Level_Info[level-1][1]);
Alter_Start();
}
else
{
Alter_Stop();
}
}
kal_uint8 Alter_GetCurrentLevel(void)
{
return ALTER_LEVEL_SAVE;
}
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