/******************************************************************************* * File Name: Audio.c * Function Describe:device for the audio * Relate Module: * Explain: Hardware version is HS120 * Writer: ShiLiangWen * Date: 2015.6.15 *******************************************************************************/ #define THIS_FILE_ID 7 //------------------------------------------------------------------------------ #include "stm32f10x.h" #include OS_ID idBeepTimer; OS_ID idRingTimer; /***************************************************************** *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_TIM5, ENABLE); //使能定时器4时钟 RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | 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(TIM5, &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(TIM5, &TIM_OCInitStructure); //根据T指定的参数初始化外设TIM4 OC2 TIM_OC2PreloadConfig(TIM5, 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=20000000/fre;//6000000 /*====== 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(TIM5, &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_OC1Init(TIM5, &TIM_OCInitStructure); //根据T指定的参数初始化外设TIM4 OC2 TIM_OC1PreloadConfig(TIM5, TIM_OCPreload_Enable); //使能TIM4在CCR2上的预装载寄存器 #if 0 //SpeakerEnable(); TIM_Cmd(TIM5, ENABLE); //禁止/使能TIM4 os_dly_wait(tick); TIM_Cmd(TIM5, DISABLE); //禁止/使能TIM4 //SpeakerDisable(); #else //SpeakerEnable(); //RunMake(THIS_FILE_ID); TIM_Cmd(TIM5, ENABLE); //禁止/使能TIM4 idBeepTimer=os_tmr_create(tick,TMR_INF_BEEP); idBeepTimer=os_tmr_create(tick+8,TMR_INF_MIC);//添加一个延时 //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=20000000/fre;//6000000 /*====== 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(TIM5, &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(TIM5, &TIM_OCInitStructure); //根据T指定的参数初始化外设TIM4 OC2 TIM_OC2PreloadConfig(TIM5, TIM_OCPreload_Enable); //使能TIM4在CCR2上的预装载寄存器 RunMake(THIS_FILE_ID); TIM_Cmd(TIM5, ENABLE); //禁止/使能TIM4 DelayMs(ms); TIM_Cmd(TIM5, 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(0); 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(); } } void SetRingFreq(int fre) { TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; TIM_OCInitTypeDef TIM_OCInitStructure; unsigned short arr; arr=20000000/fre;//6000000 /*====== 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(TIM5, &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_OC1Init(TIM5, &TIM_OCInitStructure); //根据T指定的参数初始化外设TIM4 OC2 TIM_OC1PreloadConfig(TIM5, TIM_OCPreload_Enable); //使能TIM4在CCR2上的预装载寄存器 TIM_Cmd(TIM5, ENABLE); //禁止/使能TIM4 } const SUT_RING_ELEMENT acusRingStart[]={ //频率,时间 {800,100}, {0,100}, {900,100}, {900,150}, {0,200}, {500,300}, {0,0}//必须以{x,0}作为结束 }; SUT_RING sutRing={0,0,0,0}; void RingStart(SUT_RING_ELEMENT *pRingElement) { unsigned short freq,time,num; num=0; while(1){ time=pRingElement[num].time; if(time==0)break; if(++num>10000)return;//不能太长，太长判断为非法而不处理 } sutRing.pElement=pRingElement; sutRing.start=1; sutRing.handle=0; freq=sutRing.pElement->freq; time=sutRing.pElement->time; SetRingFreq(freq); idRingTimer=os_tmr_create(time,TMR_INF_RING); SpeakerDisable(); } /******************************************************************************** * End of Module *******************************************************************************/