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C++ DAC_Cmd函數代碼示例

本文整理匯總了C++中DAC_Cmd函數的典型用法代碼示例。如果您正苦於以下問題：C++ DAC_Cmd函數的具體用法？C++ DAC_Cmd怎麽用？C++ DAC_Cmd使用的例子？那麽, 這裏精選的函數代碼示例或許可以為您提供幫助。


在下文中一共展示了DAC_Cmd函數的15個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的C++代碼示例。

示例1: DAC_ConfigurationInit

void DAC_ConfigurationInit()
{
	DAC_InitTypeDef DAC_InitStruct;
	GPIO_InitTypeDef GPIO_InitStruct;

	RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOA, ENABLE );
	RCC_APB1PeriphClockCmd( RCC_APB1Periph_DAC, ENABLE );        

	GPIO_InitStruct.GPIO_Pin = GPIO_Pin_4;
	GPIO_InitStruct.GPIO_Mode = GPIO_Mode_Out_PP;
	GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_Init( GPIOA, &GPIO_InitStruct );

	GPIO_InitStruct.GPIO_Pin = GPIO_Pin_5;
	GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AIN;
	GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
	GPIO_Init( GPIOA, &GPIO_InitStruct );

	DAC_InitStruct.DAC_Trigger = DAC_Trigger_Software;
	DAC_InitStruct.DAC_WaveGeneration = DAC_WaveGeneration_None;
	DAC_InitStruct.DAC_LFSRUnmask_TriangleAmplitude = DAC_LFSRUnmask_Bit0;
	DAC_InitStruct.DAC_OutputBuffer = DAC_OutputBuffer_Disable;

	DAC_Init( DAC_Channel_1, &DAC_InitStruct );
	DAC_Init( DAC_Channel_2, &DAC_InitStruct );

	DAC_Cmd( DAC_Channel_1, ENABLE );
	DAC_Cmd( DAC_Channel_2, ENABLE );

	DAC_SetChannel1Data( DAC_Align_12b_R, 0X0fFF);
	DAC_SoftwareTriggerCmd( DAC_Channel_1, ENABLE );

	DAC_SetChannel1Data( DAC_Align_12b_R, 0X03FF);
	DAC_SoftwareTriggerCmd( DAC_Channel_2, ENABLE );
}
開發者ID:RTOS-Developers，項目名稱:TRTOS，代碼行數:35，代碼來源:DAC_Driver.c

示例2: DAC_Noise_TriangleConfig

/**
  * @brief  DAC Channel2 Triangle and Channel1 Noise Configuration
  * @param  None
  * @retval None
  */
static void DAC_Noise_TriangleConfig(void)
{
  /* DAC channel2 Configuration */
  DAC_InitStructure.DAC_Trigger = DAC_Trigger_T2_TRGO;
  DAC_InitStructure.DAC_WaveGeneration = DAC_WaveGeneration_Triangle;
  DAC_InitStructure.DAC_LFSRUnmask_TriangleAmplitude = DAC_TriangleAmplitude_1023;
  DAC_InitStructure.DAC_OutputBuffer = DAC_OutputBuffer_Enable;
  DAC_Init(DAC_Channel_2, &DAC_InitStructure);
  
  /* Enable DAC Channel2 */
  DAC_Cmd(DAC_Channel_2, ENABLE);
  
  /* Set DAC channel2 DHR12RD register */
  DAC_SetChannel2Data(DAC_Align_12b_R, 0x100);
  
   /* DAC channel1 Configuration */
  DAC_InitStructure.DAC_Trigger = DAC_Trigger_T2_TRGO;
  DAC_InitStructure.DAC_WaveGeneration = DAC_WaveGeneration_Noise;
  DAC_InitStructure.DAC_LFSRUnmask_TriangleAmplitude = DAC_LFSRUnmask_Bits10_0;
  DAC_InitStructure.DAC_OutputBuffer = DAC_OutputBuffer_Enable;
  DAC_Init(DAC_Channel_1, &DAC_InitStructure);
  
  /* Enable DAC Channel1 */
  DAC_Cmd(DAC_Channel_1, ENABLE);
  
  /* Set DAC Channel1 DHR12L register */
  DAC_SetChannel1Data(DAC_Align_12b_L, 0x7FF0);
}
開發者ID:zegervdv，項目名稱:PS2-controller，代碼行數:33，代碼來源:main.c

示例3: init_DACs

void init_DACs(void)
{
    // Now to output to some pin ofcourse, PA4 for example (routed to audio PA)
    //  Enable clock to GPIOA
    RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);

    // Init the pins
    GPIO_InitTypeDef GPIOInit = {0, };
    GPIOInit.GPIO_Pin	= GPIO_Pin_4 | GPIO_Pin_5; // PA4
    GPIOInit.GPIO_Mode	= GPIO_Mode_AN; // Analog function
    GPIOInit.GPIO_PuPd	= GPIO_PuPd_NOPULL;
    
    GPIO_Init(GPIOA, &GPIOInit);

    // Enable the clock to the DAC
    RCC_APB1PeriphClockCmd(RCC_APB1Periph_DAC, ENABLE);
    DAC_InitTypeDef dacInit;
    memset( (void *)&dacInit, 0, sizeof(DAC_InitTypeDef) );
    dacInit.DAC_Trigger = DAC_Trigger_None;
    dacInit.DAC_OutputBuffer = DAC_OutputBuffer_Disable;
    
    DAC_Init(DAC_Channel_1, &dacInit);
    DAC_Cmd(DAC_Channel_1, ENABLE);

    DAC_Init(DAC_Channel_2, &dacInit);
    DAC_Cmd(DAC_Channel_2, ENABLE);
}
開發者ID:mathiashelsen，項目名稱:stm32-playground，代碼行數:27，代碼來源:dac.c

示例4: DAC_Config

/**
  * @brief  Configures DAC channel 1 and channel 2
  * @param  None
  * @retval None
  */
void DAC_Config(void)
{
  /* Enable GPIOA Periph clock --------------------------------------*/
  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);
  /* Configure PA.04 (DAC_OUT1), PA.05 (DAC_OUT2) as analog */
  GPIO_InitStructure.GPIO_Pin =  GPIO_Pin_4 | GPIO_Pin_5;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
  GPIO_Init(GPIOA, &GPIO_InitStructure);

  /* DAC Periph clock enable */
  RCC_APB1PeriphClockCmd(RCC_APB1Periph_DAC, ENABLE);

  /* DAC init struct configuration */
  DAC_InitStructure.DAC_Trigger = DAC_Trigger_T2_TRGO;
  DAC_InitStructure.DAC_WaveGeneration = DAC_WaveGeneration_None;
  DAC_InitStructure.DAC_OutputBuffer = DAC_OutputBuffer_Enable;

  /* DAC channel1 Configuration */
  DAC_Init(DAC_Channel_1, &DAC_InitStructure);

  /* DAC channel2 Configuration */
  DAC_Init(DAC_Channel_2, &DAC_InitStructure);

  /* Enable DAC Channel1: Once the DAC channel1 is enabled, PA.04 is 
     automatically connected to the DAC converter. */
  DAC_Cmd(DAC_Channel_1, ENABLE);
  
  /* Enable DAC Channel2: Once the DAC channel2 is enabled, PA.05 is 
     automatically connected to the DAC converter. */
  DAC_Cmd(DAC_Channel_2, ENABLE);

  /* Enable DMA for DAC Channel2 */
  DAC_DMACmd(DAC_Channel_2, ENABLE);
}
開發者ID:RTOS-Developers，項目名稱:TRTOS，代碼行數:39，代碼來源:main.c

示例5: setup_dac

void setup_dac(){

#if isUsingDevBoard

	//Setup GPIO
	RCC_APB1PeriphClockCmd(RCC_APB1Periph_DAC, ENABLE);

	DAC_InitTypeDef DAC_InitStructure;

	/* DAC channel1 Configuration */
	DAC_InitStructure.DAC_Trigger = DAC_Trigger_None;
	DAC_InitStructure.DAC_WaveGeneration = DAC_WaveGeneration_None;
	DAC_InitStructure.DAC_LFSRUnmask_TriangleAmplitude = DAC_LFSRUnmask_Bits10_0;
	DAC_InitStructure.DAC_OutputBuffer = DAC_OutputBuffer_Enable;
	DAC_Init(DAC_Channel_1, &DAC_InitStructure);
	DAC_Init(DAC_Channel_2, &DAC_InitStructure);

	/* Enable DAC Channel1 */
	DAC_Cmd(DAC_Channel_1, ENABLE);
	DAC_Cmd(DAC_Channel_2, ENABLE);

	/* Set DAC Channel1 DHR12L register */
	DAC_SetChannel1Data(DAC_Align_8b_R, 0x0000);
	DAC_SetChannel2Data(DAC_Align_8b_R, 0x0000);



#else

#endif

}
開發者ID:AjRyan1，項目名稱:WPI_LulzMouse-2.0，代碼行數:32，代碼來源:sys_setup.c

示例6: main

/**
  * @brief   Main program.
  * @param  None
  * @retval None
  */
int main(void)
{
  /*!< At this stage the microcontroller clock setting is already configured,
       this is done through SystemInit() function which is called from startup
       file (startup_stm32f10x_xx.s) before to branch to application main.
       To reconfigure the default setting of SystemInit() function, refer to
       system_stm32f10x.c file
     */

  /* System Clocks Configuration */
  RCC_Configuration();

  /* Once the DAC channel is enabled, the corresponding GPIO pin is automatically
     connected to the DAC converter. In order to avoid parasitic consumption,
     the GPIO pin should be configured in analog */
  GPIO_Configuration();

  /* TIM2 Configuration */
  TIM_TimeBaseStructInit(&TIM_TimeBaseStructure);
  TIM_TimeBaseStructure.TIM_Period = 0xF;
  TIM_TimeBaseStructure.TIM_Prescaler = 0xF;
  TIM_TimeBaseStructure.TIM_ClockDivision = 0x0;
  TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
  TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);

  /* TIM2 TRGO selection */
  TIM_SelectOutputTrigger(TIM2, TIM_TRGOSource_Update);

  /* DAC channel1 Configuration */
  DAC_InitStructure.DAC_Trigger = DAC_Trigger_T2_TRGO;
  DAC_InitStructure.DAC_WaveGeneration = DAC_WaveGeneration_Triangle;
  DAC_InitStructure.DAC_LFSRUnmask_TriangleAmplitude = DAC_TriangleAmplitude_2047;
  DAC_InitStructure.DAC_OutputBuffer = DAC_OutputBuffer_Disable;
  DAC_Init(DAC_Channel_1, &DAC_InitStructure);

  /* DAC channel2 Configuration */
  DAC_InitStructure.DAC_LFSRUnmask_TriangleAmplitude = DAC_TriangleAmplitude_1023;
  DAC_Init(DAC_Channel_2, &DAC_InitStructure);

  /* Enable DAC Channel1: Once the DAC channel1 is enabled, PA.04 is
     automatically connected to the DAC converter. */
  DAC_Cmd(DAC_Channel_1, ENABLE);

  /* Enable DAC Channel2: Once the DAC channel2 is enabled, PA.05 is
     automatically connected to the DAC converter. */
  DAC_Cmd(DAC_Channel_2, ENABLE);

  /* Set DAC dual channel DHR12RD register */
  DAC_SetDualChannelData(DAC_Align_12b_R, 0x100, 0x100);

  /* TIM2 enable counter */
  TIM_Cmd(TIM2, ENABLE);

  while (1)
  {
  }
}
開發者ID:Joe-Merten，項目名稱:Stm32，代碼行數:62，代碼來源:main.c

示例7: SOUNDInitDAC

void SOUNDInitDAC(uint32_t sampleRate)
{
	GPIO_InitTypeDef GPIO_InitStructure;
	DAC_InitTypeDef DAC_InitStructure;

//	CS43L22Init();

	RCC_APB1PeriphClockCmd(RCC_APB1Periph_DAC | RCC_APB1Periph_TIM6, ENABLE);
	RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA1 | RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOC, ENABLE);

	// PC5 MAX4410 Audio Amp Shutdown
	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
	GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
	GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
	GPIO_Init(GPIOC, &GPIO_InitStructure);	// 初期化関數を読み出します。

	AUDIO_OUT_SHUTDOWN;

	// PA4 PA5 DAC_OUT1 DAC_OUT2
	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_5;
	GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
	GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
	GPIO_Init(GPIOA, &GPIO_InitStructure);	// 初期化関數を読み出します。

	DAC_DeInit();
	DAC_InitStructure.DAC_Trigger = DAC_Trigger_T6_TRGO;
	DAC_InitStructure.DAC_WaveGeneration = DAC_WaveGeneration_None;
	DAC_InitStructure.DAC_LFSRUnmask_TriangleAmplitude = DAC_LFSRUnmask_Bit0;
	DAC_InitStructure.DAC_OutputBuffer = DAC_OutputBuffer_Enable;
	DAC_Init(DAC_Channel_1, &DAC_InitStructure);
	DAC_Init(DAC_Channel_2, &DAC_InitStructure);

	DAC_DMACmd(DAC_Channel_1, ENABLE);
	DAC_DMACmd(DAC_Channel_2, ENABLE);

	DAC_Cmd(DAC_Channel_1, ENABLE);
	DAC_Cmd(DAC_Channel_2, ENABLE);

	TIM6->ARR = ((SystemCoreClock / 4) * 2) / sampleRate - 1;
	TIM6->PSC = 0;

	TIM6->CR1 |= _BV(7);
	TIM6->CR2 |= TIM_TRGOSource_Update;
	TIM6->DIER |= TIM_DMA_Update | _BV(0); // Interrupt Enable;
	TIM6->CR1 |= _BV(0);
}
開發者ID:BernardXiong，項目名稱:motion-player-project，代碼行數:50，代碼來源:sound.c

示例8: main

/**
  * @brief   Main program.
  * @param  None
  * @retval None
  */
int main(void)
{
  /* System Clocks Configuration */
  RCC_Configuration();   

  /* Once the DAC channel is enabled, the corresponding GPIO pin is automatically 
     connected to the DAC converter. In order to avoid parasitic consumption, 
     the GPIO pin should be configured in analog */
  GPIO_Configuration();

  /* TIM2 Configuration */
  TIM_TimeBaseStructInit(&TIM_TimeBaseStructure);
  TIM_TimeBaseStructure.TIM_Period = 0xF;          
  TIM_TimeBaseStructure.TIM_Prescaler = 0xF;       
  TIM_TimeBaseStructure.TIM_ClockDivision = 0x0;    
  TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;  
  TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure);

  /* TIM2 TRGO selection */
  TIM_SelectOutputTrigger(TIM2, TIM_TRGOSource_Update);

  /* DAC channel1 Configuration */
  DAC_InitStructure.DAC_Trigger = DAC_Trigger_T2_TRGO;
  DAC_InitStructure.DAC_WaveGeneration = DAC_WaveGeneration_Triangle;
  DAC_InitStructure.DAC_LFSRUnmask_TriangleAmplitude = DAC_TriangleAmplitude_2047;
  DAC_InitStructure.DAC_OutputBuffer = DAC_OutputBuffer_Disable;
  DAC_Init(DAC_Channel_1, &DAC_InitStructure);

  /* DAC channel2 Configuration */
  DAC_InitStructure.DAC_LFSRUnmask_TriangleAmplitude = DAC_TriangleAmplitude_1023;
  DAC_Init(DAC_Channel_2, &DAC_InitStructure);

  /* Enable DAC Channel1: Once the DAC channel1 is enabled, PA.04 is 
     automatically connected to the DAC converter. */
  DAC_Cmd(DAC_Channel_1, ENABLE);

  /* Enable DAC Channel2: Once the DAC channel2 is enabled, PA.05 is 
     automatically connected to the DAC converter. */
  DAC_Cmd(DAC_Channel_2, ENABLE);

  /* Set DAC dual channel DHR12RD register */
  DAC_SetDualChannelData(DAC_Align_12b_R, 0x100, 0x100);

  /* TIM2 enable counter */
  TIM_Cmd(TIM2, ENABLE);

  while (1)
  {
  }
}
開發者ID:jwithee，項目名稱:bearboard，代碼行數:55，代碼來源:main.c

示例9: DAC1_Configuration

static void DAC1_Configuration(void)
{

	// Timer2 trig configuration as Trigger
	TIM2_Trig_Configuration();

    /* DAC Periph clock enable */
    RCC_APB1PeriphClockCmd(RCC_APB1Periph_DAC, ENABLE);

	// GPIO : PIN Init
	GPIO_InitTypeDef GPIO_InitStructure;
	GPIO_InitStructure.GPIO_Pin =  GPIO_Pin_4; // (DAC0 => PA04)
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
	GPIO_Init(GPIOA, &GPIO_InitStructure);

	// DAC channel1 Configuration
	DAC_InitTypeDef DAC_InitStructure;
	DAC_InitStructure.DAC_Trigger = DAC_Trigger_T2_TRGO;
	DAC_InitStructure.DAC_WaveGeneration = DAC_WaveGeneration_Triangle;
	DAC_InitStructure.DAC_LFSRUnmask_TriangleAmplitude = DAC_TriangleAmplitude_2047;
	DAC_InitStructure.DAC_OutputBuffer = DAC_OutputBuffer_Disable;

	// Init channel 1
	DAC_Init(DAC_Channel_1, &DAC_InitStructure);

	// Enable channel 1
	DAC_Cmd(DAC_Channel_1, ENABLE);

}
開發者ID:ozwin，項目名稱:erts-project，代碼行數:29，代碼來源:bsp.c

示例10: piezo_init

/**	\fn void piezo_init()
 *  \brief Initialize pin as analog output. Initialize DAC. Count sine discrete aproximation.
 * */
void piezo_init()
{
    uint32_t i;

    DAC_InitTypeDef DAC_InitStruct;

    // initialize PA5 jako analogovy vystup
    GPIO_InitTypeDef GPIO_InitStructure;
    GPIO_InitStructure.GPIO_Pin = 1<<5;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
    GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
    GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_40MHz;
    GPIO_Init(GPIOA, &GPIO_InitStructure);

    // enable clock for DA converter
    RCC_APB1PeriphClockCmd(RCC_APB1Periph_DAC, ENABLE);

    // initialize DAC2
    DAC_StructInit(&DAC_InitStruct);
    DAC_Init(DAC_Channel_2,&DAC_InitStruct);

    DAC_Cmd(DAC_Channel_2, ENABLE);

    // count sine samples
    for(i=0; i<SINE_SAMPLES_COUNT; i++)
    {
        sine_samples[i] = ((sin(((2*M_PI*(double)i)/SINE_SAMPLES_COUNT) -M_PI/2)+1)*(double)0xFFF)/2;
    }
}
開發者ID:NexusIF，項目名稱:ProjectsBackup，代碼行數:33，代碼來源:piezo.c

示例11: dacSetup

/** 
 * Configure DAC output
 */
void dacSetup(){
  DAC_InitTypeDef DAC_InitStructure;

  /* Enable GPIOA clock */
  RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
  
  /* Configure PA.04 (DAC_OUT1) in analog mode */
  configureAnalogOutput(GPIOA, GPIO_Pin_4);
  /* Configure PA.05 (DAC_OUT2) in analog mode */
/*   configureAnalogOutput(GPIOA, GPIO_Pin_5); */

  /* Enable DAC clock */
  RCC_APB1PeriphClockCmd(RCC_APB1Periph_DAC, ENABLE);
  
  /* DAC channel Configuration */
  DAC_StructInit(&DAC_InitStructure);
  DAC_InitStructure.DAC_Trigger = DAC_Trigger_None;
  DAC_InitStructure.DAC_OutputBuffer = DAC_OutputBuffer_Enable;
  DAC_InitStructure.DAC_WaveGeneration = DAC_WaveGeneration_None;
/*   DAC_InitStructure.DAC_LFSRUnmask_TriangleAmplitude = DAC_LFSRUnmask_Bits10_0; */

  DAC_Init(DAC_Channel_1, &DAC_InitStructure);
/*   DAC_Init(DAC_Channel_2, &DAC_InitStructure); */
  
  /* Enable DAC Channels */
  DAC_Cmd(DAC_Channel_1, ENABLE);
/*   DAC_Cmd(DAC_Channel_2, ENABLE); */
}
開發者ID:kozakahi，項目名稱:OwlWare，代碼行數:31，代碼來源:armcontrol.c

示例12: DAC_Config

/**
  * @brief  Configures the DAC channel 1 with output buffer enabled.
  * @param  None
  * @retval None
  */
void DAC_Config(void)
{
  DAC_InitTypeDef    DAC_InitStructure;
  GPIO_InitTypeDef   GPIO_InitStructure;

  /* Enable GPIOA clock */
  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);
  
  /* Configure PA.04 (DAC_OUT1) in analog mode -------------------------*/
  GPIO_InitStructure.GPIO_Mode  = GPIO_Mode_AN;
  GPIO_InitStructure.GPIO_PuPd  = GPIO_PuPd_NOPULL;
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
  GPIO_Init(GPIOA, &GPIO_InitStructure);

  /* Enable DAC clock */
  RCC_APB1PeriphClockCmd(RCC_APB1Periph_DAC, ENABLE);
  
  /* DAC channel1 Configuration */
  DAC_InitStructure.DAC_Trigger = DAC_Trigger_None;
  DAC_InitStructure.DAC_OutputBuffer = DAC_OutputBuffer_Enable;

  /* DAC Channel1 Init */
  DAC_Init(DAC_Channel_1, &DAC_InitStructure);
  
  /* Enable DAC Channel1 */
  DAC_Cmd(DAC_Channel_1, ENABLE);
}
開發者ID:Qasemt，項目名稱:STM32F0xx_StdPeriph_Lib_V1.0.0，代碼行數:32，代碼來源:main.c

示例13: StartAudioDMAAndRequestBuffers

static void StartAudioDMAAndRequestBuffers() {


	// Configure DMA stream.
	DMA1_Stream5 ->CR = /*(0 * DMA_SxCR_CHSEL_0 )*/0x0E000000  | // Channel 7
			(1 * DMA_SxCR_PL_0 ) | // Priority 1
			(1 * DMA_SxCR_PSIZE_0 ) | // PSIZE = 16 bit
			(1 * DMA_SxCR_MSIZE ) | // MSIZE = 16 bit
			DMA_SxCR_MINC | // Increase memory address
			(1 * DMA_SxCR_DIR_0 ) | // Memory to peripheral
			DMA_SxCR_TCIE; // Transfer complete interrupt
	DMA1_Stream5 ->NDTR = NextBufferLength >> 1;
	DMA1_Stream5 ->PAR = (uint32_t) &DAC->DHR12R1;
	DMA1_Stream5 ->M0AR = (uint32_t) NextBufferSamples;
	DMA1_Stream5 ->FCR = DMA_SxFCR_DMDIS;
	DMA1_Stream5 ->CR |= DMA_SxCR_EN;


	//TIM_Cmd(TIM6, DISABLE);

	DAC_Cmd(DAC_Channel_1, ENABLE);
	DAC_DMACmd(DAC_Channel_1, ENABLE); //DMAEN1

	  TIM_Cmd(TIM6, ENABLE);

	// Update state.
	NextBufferSamples = NULL;
	BufferNumber ^= 1;
	DMARunning = true;

	// Invoke callback if it exists to queue up another buffer.
	if (CallbackFunction)
		CallbackFunction(CallbackContext, BufferNumber);
}
開發者ID:trstephen，項目名稱:alarmclock，代碼行數:34，代碼來源:Audio.c

示例14: Dac1_Init

void Dac1_Init(void)
{
  
	GPIO_InitTypeDef GPIO_InitStructure;
	DAC_InitTypeDef DAC_InitType;

	RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE );	  //使能PORTA通道時鍾
  RCC_APB1PeriphClockCmd(RCC_APB1Periph_DAC, ENABLE );	  //使能DAC通道時鍾 

	GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;				 // 端口配置
 	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN; 		 //模擬輸入
 	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
 	GPIO_Init(GPIOA, &GPIO_InitStructure);
	//GPIO_SetBits(GPIOA,GPIO_Pin_4)	;//PA.4 輸出高
					
	DAC_InitType.DAC_Trigger=DAC_Trigger_None;	//不使用觸發功能 TEN1=0
	DAC_InitType.DAC_WaveGeneration=DAC_WaveGeneration_None;//不使用波形發生
	DAC_InitType.DAC_LFSRUnmask_TriangleAmplitude=DAC_LFSRUnmask_Bit0;//屏蔽、幅值設置
	DAC_InitType.DAC_OutputBuffer=DAC_OutputBuffer_Disable ;	//DAC1輸出緩存關閉 BOFF1=1
  DAC_Init(DAC_Channel_1,&DAC_InitType);	 //初始化DAC通道1

	DAC_Cmd(DAC_Channel_1, ENABLE);  //使能DAC1
  
  DAC_SetChannel1Data(DAC_Align_12b_R, 0);  //12位右對齊數據格式設置DAC值

}
開發者ID:hyq19921011，項目名稱:MyScop_GUI3.98，代碼行數:26，代碼來源:dac.c

示例15: DacInit

void DacInit(void)
{  
	RCC_APB1PeriphClockCmd(RCC_APB1Periph_DAC, ENABLE);
	RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA1, ENABLE);
	RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
	RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);

	GPIO_InitTypeDef GPIO_InitStructure;
	GPIO_StructInit(&GPIO_InitStructure);
	GPIO_InitStructure.GPIO_Pin =  GPIO_Pin_4;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
	GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
	GPIO_Init(GPIOA, &GPIO_InitStructure);

	DAC_InitTypeDef DAC_InitStructure;

	DAC_StructInit(&DAC_InitStructure);
	DAC_InitStructure.DAC_Trigger = DAC_Trigger_T2_TRGO;
	DAC_InitStructure.DAC_WaveGeneration = DAC_WaveGeneration_None;
	DAC_InitStructure.DAC_OutputBuffer = DAC_OutputBuffer_Enable;
	
	DAC_Init(DAC_Channel_1, &DAC_InitStructure);
	DAC_Cmd(DAC_Channel_1, ENABLE);
	DAC_SetChannel1Data(DAC_Align_12b_R, DAC_ZERO);
}
開發者ID:alxsh，項目名稱:balmer-usb-sdr，代碼行數:25，代碼來源:dac.c


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