HS121L/USER/Audio.c

/*******************************************************************************
 * File Name: Audio.c
 * Function Describe:device for the Keys	
 * Relate Module:
 * Explain:	Hardware version is HS120 
 * Writer:  ShiLiangWen
 * Date:	2015.6.15
  *******************************************************************************/ 
 #define THIS_FILE_ID 7
  //------------------------------------------------------------------------------
#include "stm32f10x.h"
#include <includes.h>


OS_ID idBeepTimer;
/*****************************************************************
*CLK=12Mhz
*(10000,2)==>  12000000/2/10000=600Hz

******************************************************************/
void BeepInit(void)
{
	GPIO_InitTypeDef GPIO_InitStructure;
	TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;
	TIM_OCInitTypeDef  TIM_OCInitStructure;
	RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4, ENABLE);	//使能定时器4时钟
 	RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB  | RCC_APB2Periph_AFIO, ENABLE);  //使能GPIO外设和AFIO复用功能模块时钟 
   //设置该引脚为复用输出功能,输出TIM4 CH2的PWM脉冲波形	GPIOB.7
    GPIO_InitStructure.GPIO_Pin = BEEP_PIN; //TIM_CH2
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;  //复用推挽输出
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_Init(BEEP_PORT, &GPIO_InitStructure);//初始化GPIO
	RunMake(THIS_FILE_ID);
/*====== 初始化TIM4 ======*/
	TIM_TimeBaseStructure.TIM_Period = 10000; //设置在下一个更新事件装入活动的自动重装载寄存器周期的值
	TIM_TimeBaseStructure.TIM_Prescaler =3; //设置用来作为TIMx时钟频率除数的预分频值 
	TIM_TimeBaseStructure.TIM_ClockDivision = 0; //设置时钟分割:TDTS = Tck_tim
	TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;  //TIM向上计数模式
	TIM_TimeBaseStructure.TIM_RepetitionCounter=0;//重复寄存器，用于自动更新pwm占空比    
	TIM_TimeBaseInit(TIM4, &TIM_TimeBaseStructure); //根据TIM_TimeBaseInitStruct中指定的参数初始化TIMx的时间基数单位

//====== 初始化TIM4 Channel2 PWM模式 ======/ 	 
	TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2; //选择定时器模式:TIM脉冲宽度调制模式2
	TIM_OCInitStructure.TIM_Pulse=5000;               //设置占空比时
 	TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; //比较输出使能
	//TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; //输出极性:TIM输出比较极性高
	TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low; //TIM_OCPolarity_Low 输出极性:TIM输出比较极性低
	TIM_OC2Init(TIM4, &TIM_OCInitStructure);  //根据T指定的参数初始化外设TIM4 OC2
	TIM_OC2PreloadConfig(TIM4, TIM_OCPreload_Enable);  //使能TIM4在CCR2上的预装载寄存器

//	TIM_Cmd(TIM4, ENABLE);  //禁止/使能TIM4
	RunMake(THIS_FILE_ID);
	idBeepTimer=NULL;
}

void SetBeep(int fre,int tick)
{
	TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;
	TIM_OCInitTypeDef  TIM_OCInitStructure; 
	unsigned short arr;
	arr=6000000/fre;
/*====== 初始化TIM4 ======*/
	TIM_TimeBaseStructure.TIM_Period = arr; //设置在下一个更新事件装入活动的自动重装载寄存器周期的值
	TIM_TimeBaseStructure.TIM_Prescaler =3; //设置用来作为TIMx时钟频率除数的预分频值 
	TIM_TimeBaseStructure.TIM_ClockDivision = 0; //设置时钟分割:TDTS = Tck_tim
	TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;  //TIM向上计数模式
	TIM_TimeBaseStructure.TIM_RepetitionCounter=0;       //重复寄存器，用于自动更新pwm占空比    
	TIM_TimeBaseInit(TIM4, &TIM_TimeBaseStructure);      //根据TIM_TimeBaseInitStruct中指定的参数初始化TIMx的时间基数单位

//====== 初始化TIM4 Channel2 PWM模式 ======/ 	 
	TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2; //选择定时器模式:TIM脉冲宽度调制模式2
	TIM_OCInitStructure.TIM_Pulse=arr/2;               //设置占空比时
 	TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; //比较输出使能
	//TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; //输出极性:TIM输出比较极性高
	TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low; //TIM_OCPolarity_Low 输出极性:TIM输出比较极性低
	TIM_OC2Init(TIM4, &TIM_OCInitStructure);  //根据T指定的参数初始化外设TIM4 OC2
	TIM_OC2PreloadConfig(TIM4, TIM_OCPreload_Enable);  //使能TIM4在CCR2上的预装载寄存器

#if 0
	//SpeakerEnable();	
	TIM_Cmd(TIM4, ENABLE);  //禁止/使能TIM4	
	os_dly_wait(tick);
	TIM_Cmd(TIM4, DISABLE);  //禁止/使能TIM4	
	//SpeakerDisable();
	
#else	
	
	//SpeakerEnable();	
	//RunMake(THIS_FILE_ID);	
	TIM_Cmd(TIM4, ENABLE);  //禁止/使能TIM4	
	idBeepTimer=os_tmr_create(tick,TMR_INF_BEEP);
	//RunMake(THIS_FILE_ID);
	//SlwTrace(INF,"os_tmr_create\r\n");
	//printf("[Beep%ul]\r\n",os_time_get());
#endif

}


/**********************************************************************
1ms在8000~9000之间
***********************************************************************/
void DelayMs(unsigned short ms)
{
	unsigned short i;
	unsigned short t=ms;
	RunMake(THIS_FILE_ID);
	IWDG_ReloadCounter();
	while(t--){
		for(i=0;i<6000;i++);
		IWDG_ReloadCounter();
	}
	RunMake(THIS_FILE_ID);
}
void SetBeepByNoOS(int fre,int ms)
{
	TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;
	TIM_OCInitTypeDef  TIM_OCInitStructure; 
	unsigned short arr;
	
	RunMake(THIS_FILE_ID);
	arr=6000000/fre;
/*====== 初始化TIM4 ======*/
	TIM_TimeBaseStructure.TIM_Period = arr; //设置在下一个更新事件装入活动的自动重装载寄存器周期的值
	TIM_TimeBaseStructure.TIM_Prescaler =3; //设置用来作为TIMx时钟频率除数的预分频值 
	TIM_TimeBaseStructure.TIM_ClockDivision = 0; //设置时钟分割:TDTS = Tck_tim
	TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;  //TIM向上计数模式
	TIM_TimeBaseStructure.TIM_RepetitionCounter=0;//重复寄存器，用于自动更新pwm占空比    
	TIM_TimeBaseInit(TIM4, &TIM_TimeBaseStructure); //根据TIM_TimeBaseInitStruct中指定的参数初始化TIMx的时间基数单位
	
	RunMake(THIS_FILE_ID);
	
//====== 初始化TIM4 Channel2 PWM模式 ======/ 	 
	TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2; //选择定时器模式:TIM脉冲宽度调制模式2
	TIM_OCInitStructure.TIM_Pulse=arr/2;               //设置占空比时
 	TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; //比较输出使能
	//TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; //输出极性:TIM输出比较极性高
	TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low; //TIM_OCPolarity_Low 输出极性:TIM输出比较极性低
	TIM_OC2Init(TIM4, &TIM_OCInitStructure);  //根据T指定的参数初始化外设TIM4 OC2
	TIM_OC2PreloadConfig(TIM4, TIM_OCPreload_Enable);  //使能TIM4在CCR2上的预装载寄存器

	RunMake(THIS_FILE_ID);
	
	TIM_Cmd(TIM4, ENABLE);  //禁止/使能TIM4	
	DelayMs(ms);
	TIM_Cmd(TIM4, DISABLE);  //禁止/使能TIM4	

}
/********************************************************************************
MicCtrlInit
*********************************************************************************/
void MicrophoneInit(void)
{
	GPIO_InitTypeDef GPIO_InitStructure;
    GPIO_InitStructure.GPIO_Pin = MIC_MUTE_PIN; //TIM_CH2
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;  //复用推挽输出
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_Init(MIC_MUTE_PORT, &GPIO_InitStructure);//初始化GPIO
	MicrophoneCtrl(1);
	RunMake(THIS_FILE_ID);
}
/********************************************************************************
MicCtrl
*********************************************************************************/
void MicrophoneCtrl(int en)
{
	if(en){
		MIC_MUTE_PORT->BRR=MIC_MUTE_PIN;//Set Pin Low	,MIC Enalbe
	}else{
		MIC_MUTE_PORT->BSRR=MIC_MUTE_PIN;//Set Pin High	,MIC MUTE
		
	}
}
/********************************************************************************
SpeakerInit
*********************************************************************************/
void SpeakerInit(void)
{
	GPIO_InitTypeDef GPIO_InitStructure;
    GPIO_InitStructure.GPIO_Pin = SPK_MUTE_PIN; 
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;  //复用推挽输出
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_Init(SPK_MUTE_PORT, &GPIO_InitStructure);//初始化GPIO
	SpeakerCtrl(0);
}
/********************************************************************************
SpeakerCtrl
*********************************************************************************/
void SpeakerCtrl(int en)
{
	if(en){
		//SPK_MUTE_PORT->BRR=SPK_MUTE_PIN;//Speaker Enable
		SpeakerEnable();	
	}else{
		//SPK_MUTE_PORT->BSRR=SPK_MUTE_PIN;//Speaker Disable
		SpeakerDisable();	
	}
}

/********************************************************************************
 *                            End of Module
 *******************************************************************************/