/******************************************************************************
文 件 名：Buzzer.c
功能描述：蜂鸣器驱动库文件
作 者：张暄
版 本：V1.0
日 期：2016.5.18
******************************************************************************/
#include "Buzzer.h"
#include "TimerB.h"
#define BUZZER_PWM_CHANNEL TIMERB_0_CH11
/******************************************************************************
单音列表
******************************************************************************/
const SingleSoundStruct SingleSound[] =
{
{2381, 210 , 23, 0}, //Tic
{2174, 230, 41, 0}, //Tac
{200, 600, 7812, 1500}, //Dong
{ 75, 380, 7844, 1000}, //Pling
{ 96, 180, 5755, 1000}, //Plong
{127, 640, 1094, 1094}, //Park Beep
};
/******************************************************************************
复合音列表
******************************************************************************/
const ComplexSoundStruct ComplexSound[] =
{
{{BUZZER_SINGLE_SOUND_TIC}, 1}, //Tic
{{BUZZER_SINGLE_SOUND_TAC}, 1}, //Tac
{{BUZZER_SINGLE_SOUND_DONG}, 1}, //Dong
{{BUZZER_SINGLE_SOUND_PLING}, 1}, //Pling
{{BUZZER_SINGLE_SOUND_PLONG}, 1}, //Plong
{{BUZZER_SINGLE_SOUND_PARK_BEEP}, 1}, //Park Beep
{{BUZZER_SINGLE_SOUND_PLING, BUZZER_SINGLE_SOUND_PLONG}, 2}, //Pling-Plong
};
/******************************************************************************
全局变量f
******************************************************************************/
uint8_t BuzzerSoundPlayStat;
uint8_t BuzzerSoundUpdate;
uint8_t * pBuzzerSoundID;
uint8_t BuzzerSoundCnt;
uint16_t BuzzerPrechargeTimer;
uint16_t BuzzerSoundPlayTime;
uint16_t BuzzerSoundFadeOutTime;
TrackInfoStruct BuzTrack[BUZZER_TRACK_CNT];
/******************************************************************************
函数名：Buzzer_Track_Play
功 能：蜂鸣器播放某一音轨
如果同一时间内有两条或多条音轨同时被播放,只有音轨编号较大的音轨将被播放
出来
参 数：TrackID ：音轨编号
返回值：无
******************************************************************************/
void Buzzer_Track_Play ( uint8_t TrackID )
{
BuzTrack[TrackID].RepeatTimer = 0;
if ( BuzTrack[TrackID].RepeatNum == 0 )
BuzTrack[TrackID].Mode = BUZZER_SOUND_PLAY_NONSTOP;
else
BuzTrack[TrackID].Mode = BUZZER_SOUND_PLAY_REPEAT;
}
/******************************************************************************
函数名：Buzzer_Track_Pause
功 能：蜂鸣器暂停播放某一音轨
参 数：TrackID ：音轨编号
返回值：无
******************************************************************************/
void Buzzer_Track_Pause ( uint8_t TrackID )
{
BuzTrack[TrackID].Mode = BUZZER_SOUND_PLAY_IDLE;
}
/******************************************************************************
函数名：Buzzer_Track_Pause
功 能：蜂鸣器停止播放某一音轨
参 数：TrackID ：音轨编号
返回值：无
******************************************************************************/
void Buzzer_Track_Stop ( uint8_t TrackID )
{
BuzTrack[TrackID].Mode = BUZZER_SOUND_PLAY_IDLE;
BuzTrack[TrackID].RepeatCnt = BuzTrack[TrackID].RepeatNum;
}
/******************************************************************************
函数名：Buzzer_Stop_All_Track
功 能：停止播放所有音轨
参 数：无
返回值：无
******************************************************************************/
void Buzzer_Stop_All_Track ( void )
{
uint8_t i;
for ( i = 0; i < BUZZER_TRACK_CNT; i++ )
{
BuzTrack[i].Mode = BUZZER_SOUND_PLAY_IDLE;
BuzTrack[i].RepeatCnt = BuzTrack[i].RepeatNum;
}
}
/******************************************************************************
函数名：Buzzer_Get_Track_Status
功 能：获取蜂鸣器某一音轨的状态
参 数：TrackID ：音轨编号
返回值：0 - 空闲 1 - 播放中
******************************************************************************/
uint8_t Buzzer_Get_Track_Status ( uint8_t TrackID )
{
if ( BuzTrack[TrackID].Mode == BUZZER_SOUND_PLAY_IDLE )
return 0;
else
return 1;
}
/******************************************************************************
函数名：Buzzer_Get_All_Track_Status
功 能：获取蜂鸣器全部音轨的状态
参 数：无
返回值：0 - 空闲 1 - 有某一音轨播放中
******************************************************************************/
uint8_t Buzzer_Get_All_Track_Status ( void )
{
uint8_t i;
i = BUZZER_TRACK_CNT;
while ( i )
{
i--;
if ( BuzTrack[i].Mode != BUZZER_SOUND_PLAY_IDLE )
return 1;
}
return 0;
}
/******************************************************************************
函数名：Buzzer_Get_Track_Remaining_Repeat_Num
功 能：获取蜂鸣器某一音轨的剩余重复次数
参 数：TrackID ：音轨编号
返回值：当返回值 大于0 时表示剩余的重复次数
当返回值 等于0 时 且 该音轨正在播放中 表示当前音轨处于不停的播放状态
******************************************************************************/
uint8_t Buzzer_Get_Track_Remaining_Repeat_Num ( uint8_t TrackID )
{
return BuzTrack[TrackID].RepeatCnt;
}
/******************************************************************************
函数名：Buzzer_Set_Track_Remaining_Repeat_Num
功 能：重新设定蜂鸣器某一音轨的剩余重复次数
参 数：TrackID ：音轨编号
RepeatNum ：重复次数
返回值：无
******************************************************************************/
void Buzzer_Set_Track_Remaining_Repeat_Num ( uint8_t TrackID, uint8_t RepeatNum )
{
BuzTrack[TrackID].RepeatCnt = RepeatNum;
}
/******************************************************************************
函数名：Buzzer_Track_Init
功 能：蜂鸣器单音连续播放
参 数：TrackID ：音轨编号,编号数越大,优先级越高
SoundID ：播放的声音的ID
RepeatNum ：重复播放次数,0表示不停的播放直到调用停止播放函数为止
RepeatCycle：重复播放周期,周期 = RepeatCycle * 20ms
返回值：无
******************************************************************************/
void Buzzer_Track_Init ( uint8_t TrackID, uint8_t SoundID, uint8_t RepeatNum, uint8_t RepeatCycle )
{
BuzTrack[TrackID].Mode = BUZZER_SOUND_PLAY_IDLE;
BuzTrack[TrackID].SoundID = SoundID;
BuzTrack[TrackID].RepeatNum = RepeatNum;
BuzTrack[TrackID].RepeatCnt = RepeatNum;
BuzTrack[TrackID].RepeatCycle = RepeatCycle;
}
/******************************************************************************
函数名：Buzzer_Track_Play_Service
功 能：蜂鸣器音轨播放服务函数,用于蜂鸣器播放音轨的后台控制
参 数：无
返回值：无
******************************************************************************
注 意：该服务函数必须每20ms被调用一次
******************************************************************************/
void Buzzer_Track_Play_Service ( void )
{
uint8_t i;
i = BUZZER_TRACK_CNT;
while ( i )
{
i--;
if ( BuzTrack[i].Mode != BUZZER_SOUND_PLAY_IDLE )
{
if ( BuzTrack[i].RepeatTimer == 0 )
{
Buzzer_Play_Sound ( BuzTrack[i].SoundID );
BuzTrack[i].RepeatTimer = BuzTrack[i].RepeatCycle;
if ( BuzTrack[i].Mode == BUZZER_SOUND_PLAY_REPEAT )
{
BuzTrack[i].RepeatCnt--;
if ( BuzTrack[i].RepeatCnt == 0 )
{
BuzTrack[i].Mode = BUZZER_SOUND_PLAY_IDLE;
BuzTrack[i].RepeatCnt = BuzTrack[i].RepeatNum;
}
}
}
else
BuzTrack[i].RepeatTimer--;
return;
}
}
}
/******************************************************************************
函数名：Buzzer_Play_Sound
功 能：控制蜂鸣器播放一个复合音
参 数：播放的声音的ID
返回值：无
******************************************************************************/
void Buzzer_Play_Sound ( uint8_t SoundID )
{
if ( BuzzerSoundPlayStat != 0 ) //(如果当前有声音在播放)打断当前声音播放
{
TimerB_PWM_Channel_Stop(BUZZER_PWM_CHANNEL);
LINE_BUZZER = 1;
BuzzerSoundPlayStat = 0;
BuzzerPrechargeTimer = 640;//500; //这时电容可能未充满电,需要一段预充电时间
}
else
BuzzerPrechargeTimer = 0; //首次播放不需要预充电
BuzzerSoundUpdate = 1;
pBuzzerSoundID = (uint8_t *)ComplexSound[SoundID].SoundTable;
BuzzerSoundCnt = ComplexSound[SoundID].SoundCnt;
//播放声音
BuzzerSoundPlayStat = 1;
}
/******************************************************************************
函数名：Buzzer_Init
功 能：蜂鸣器播放初始化程序
参 数：无
返回值：无
******************************************************************************/
void Buzzer_Init ( void )
{
LINE_BUZZER = 0;
TimerB_PWM_Channel_Stop(BUZZER_PWM_CHANNEL);
TimerB_PWM_Channel_Init(BUZZER_PWM_CHANNEL, TIMERB_CLOCK_0, TIMERB_HIGH);
BuzzerSoundPlayStat = 0;
}
/******************************************************************************
函数名：Buzzer_Shutdown
功 能：关闭蜂鸣器
参 数：无
返回值：无
******************************************************************************/
void Buzzer_Shutdown ( void )
{
LINE_BUZZER = 0;
TimerB_PWM_Channel_Stop(BUZZER_PWM_CHANNEL);
BuzzerSoundPlayStat = 0;
}
/******************************************************************************
函数名：Buzzer_Play_ISR
功 能：蜂鸣器播放中断服务函数
参 数：无
返回值：无
******************************************************************************
注 意：该服务函数必须嵌入到64us定时中断内
******************************************************************************/
void Buzzer_Play_ISR ( void )
{
if ( BuzzerSoundPlayStat )
{
if ( BuzzerPrechargeTimer )
BuzzerPrechargeTimer--;
else
{
if ( BuzzerSoundUpdate )
{
TimerB_PWM_Channel_Fre_Set(BUZZER_PWM_CHANNEL, SingleSound[*pBuzzerSoundID].Freq, SingleSound[*pBuzzerSoundID].Duty);
//TimerB_PWM_Channel_Duty_Set(BUZZER_PWM_CHANNEL, SingleSound[*pBuzzerSoundID].Duty);
TimerB_PWM_Channel_Start(BUZZER_PWM_CHANNEL);
BuzzerSoundPlayTime = SingleSound[*pBuzzerSoundID].PlayTime;
BuzzerSoundFadeOutTime = SingleSound[*pBuzzerSoundID].FadeOutTime;
BuzzerSoundUpdate = 0;
}
BuzzerSoundPlayTime--;
if ( BuzzerSoundPlayTime < BuzzerSoundFadeOutTime )
LINE_BUZZER = 0;
if ( BuzzerSoundPlayTime == 0 )
{
LINE_BUZZER = 1; //重新对蜂鸣器电容充电
TimerB_PWM_Channel_Stop(BUZZER_PWM_CHANNEL); //关闭蜂鸣器频率输出
BuzzerSoundCnt--;
if ( BuzzerSoundCnt )
{
BuzzerPrechargeTimer = 640 ;//500; //增加预充电时间32ms
BuzzerSoundUpdate = 1;
pBuzzerSoundID++;
}
else
BuzzerSoundPlayStat = 0;
}
}
}
}
void Warning_Sound_Init ( void )
{
Buzzer_Track_Init ( 0, BUZZER_SOUND_TIC, 1, 25 ); // Track0 Tic x1 @500ms 转向灯上升沿
Buzzer_Track_Init ( 1, BUZZER_SOUND_TAC, 1, 25 ); // Track1 Tac x1 @500ms 转向灯下降沿
Buzzer_Track_Init ( 2, BUZZER_SOUND_PLING, 120, 48 ); // Track2 Pling x120 @1000ms 安全带
Buzzer_Track_Init ( 3, BUZZER_SOUND_PLING, 5, 48 ); // Track3 Pling x∞ @1000ms 超速
Buzzer_Track_Init ( 4, BUZZER_SOUND_DONG , 60, 48 ); // Track4 Dong x60 @1000ms 门开
Buzzer_Track_Init ( 5, BUZZER_SOUND_DONG , 60, 48 ); // Track5 Dong x60 @1000ms 手刹
Buzzer_Track_Init ( 6, BUZZER_SOUND_DONG , 0, 48 ); // Track6 Dong x∞ @1000ms 小灯未关
Buzzer_Track_Init ( 7, BUZZER_SOUND_PLING_PLONG , 3, 50 ); // Track7 Pling-Plong x3 @1900ms 通用
Buzzer_Track_Init ( 8, BUZZER_SOUND_DONG , 3, 50 ); // Track8 Dong x3 @1000ms 通用
Buzzer_Track_Init ( 9, BUZZER_SOUND_PARK_BEEP , 0, 48 ); // Track8 Park Beep x∞ @1000ms 雷达
}