当前位置: 首页>>代码示例>>C++>>正文


C++ DMA_Init函数代码示例

本文整理汇总了C++中DMA_Init函数的典型用法代码示例。如果您正苦于以下问题:C++ DMA_Init函数的具体用法?C++ DMA_Init怎么用?C++ DMA_Init使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了DMA_Init函数的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: Soft_Reset

bool I2C::Init()
{
	I2C_InitTypeDef I2C_InitStructure;
	#ifdef I2C_USE_DMA
		DMA_InitTypeDef DMA_InitStructure;
		uint8_t dmaTxIrq,dmaRxIrq;
	#endif
	NVIC_InitTypeDef NVIC_InitStructure; 
	uint8_t eventIrq,errorIrq;
	uint32_t i2cClk;//i2c clock
	
	uint16_t sclPin,sdaPin;
	
	if(this->GetI2CNumber()==1)//i2c1
	{
		#ifdef USE_I2C1
		i2cClk=RCC_APB1Periph_I2C1;//i2 clock setting
		eventIrq=I2C1_EV_IRQn;
		errorIrq=I2C1_ER_IRQn;
		#ifdef I2C_USE_DMA
		if(mUseDma)
		{
			dmaTxIrq=DMA1_Channel6_IRQn;
			dmaRxIrq=DMA1_Channel7_IRQn;
		}
		#endif
		if(mRemap)//remap gpio pin
		{
			sclPin=GPIO_Pin_8;
			sdaPin=GPIO_Pin_9;
		}
		else
		{
			sclPin=GPIO_Pin_6;
			sdaPin=GPIO_Pin_7;
		}
		#endif
	}
	else
	{
		#ifdef USE_I2C2
		i2cClk=RCC_APB1Periph_I2C2;
		sclPin=GPIO_Pin_10;
		sdaPin=GPIO_Pin_11;
		eventIrq=I2C2_EV_IRQn;
		errorIrq=I2C2_ER_IRQn;
		#ifdef I2C_USE_DMA
		if(mUseDma)
		{
			dmaTxIrq=DMA1_Channel4_IRQn;
			dmaRxIrq=DMA1_Channel5_IRQn;
		}
		#endif
			pI2C2=this;
		#endif 
	}
	
	Soft_Reset();//清空I2C相关寄存器  //重要,不能删除
	
////设置成默认值
	mI2C->CR1 &= ~I2C_CR1_PE;//I2C失能  I2C_Cmd(I2C,DISABLE); 								//失能 I2C		
	
//	I2CGPIODeInit(sclPin,sdaPin);//IO设置成默认值
//	
//	RCC_APB1PeriphResetCmd(i2cClk,ENABLE);//重置clk时钟 防止有错误标志 // I2C_DeInit(I2C);  //将IIC端口初始化,否则GPIO不能被操作
//	RCC_APB1PeriphResetCmd(i2cClk,DISABLE);//关闭clk重置
//	RCC_APB1PeriphClockCmd(i2cClk,DISABLE);//关闭CLK时钟
	#ifdef I2C_USE_DMA
	if(mUseDma)
	{
		//dma默认值  重要,不能去掉,不然在硬件连接有错时可能会导致DMA无法恢复,以致不能使用DMA发送数据
		DMA_DeInit(mDmaTxChannel);
		DMA_DeInit(mDmaRxChannel);
	}
	#endif
/////初始化	
	//I2C CLK初始化
	RCC_APB1PeriphResetCmd(i2cClk,ENABLE);//重置clk时钟 防止有错误标志
	RCC_APB1PeriphResetCmd(i2cClk,DISABLE);//关闭clk重置
	RCC_APB1PeriphClockCmd(i2cClk,ENABLE);//开启I2C时钟
	
	if(!I2C_CHACK_BUSY_FIX(i2cClk,sclPin,sdaPin))//检测总线是否被从机拉低(SDA为低)(一般是因为传送过程中出错导致无法一直处于busy状态)
	{
		mState=STATE_ERROR;
		return 0;
	}
	
	I2CGPIOInit(sclPin,sdaPin);
  
	//i2c使能 I2C_Cmd(I2C,ENABLE); 
	//mI2C->CR1 |= I2C_CR1_PE;//由于在下面I2C_Init()函数中会开启,所以这里屏蔽了
	#ifdef I2C_USE_DMA
	if(mUseDma)
	{
		//使能DMA
		mI2C->CR2 |= I2C_CR2_DMAEN;
	}
	#endif
	I2C_InitStructure.I2C_ClockSpeed          = mSpeed;                        //Initialize the I2C_ClockSpeed member
	I2C_InitStructure.I2C_Mode                = I2C_Mode_I2C;                  // Initialize the I2C_Mode member 
//.........这里部分代码省略.........
开发者ID:lissettecarlr,项目名称:Quadcopter,代码行数:101,代码来源:I2C.cpp

示例2: ADC_DMA_Init

/*
 * @brief Initialize the ADC peripheral.
 */
void ADC_DMA_Init()
{
	//Using "Dual Slow Interleaved ADC Mode" to achieve higher input impedance

	ADC_InitTypeDef ADC_InitStructure;
	DMA_InitTypeDef DMA_InitStructure;

	// ADCCLK = PCLK2/6 = 72/6 = 12MHz
	RCC_ADCCLKConfig(RCC_PCLK2_Div6);

	// Enable DMA1 clock
	RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);

	// Enable ADC1 and ADC2 clock
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 | RCC_APB2Periph_ADC2, ENABLE);

	// DMA1 channel1 configuration
	DMA_DeInit(DMA1_Channel1);
	DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)ADC1_DR_ADDRESS;
	DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)&ADC_DualConvertedValues;
	DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
	DMA_InitStructure.DMA_BufferSize = ADC_DMA_BUFFERSIZE;
	DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
	DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
	DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word;
	DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word;
	DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
	DMA_InitStructure.DMA_Priority = DMA_Priority_High;
	DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
	DMA_Init(DMA1_Channel1, &DMA_InitStructure);

	// ADC1 configuration
	ADC_InitStructure.ADC_Mode = ADC_Mode_SlowInterl;
	ADC_InitStructure.ADC_ScanConvMode = DISABLE;
	ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
	ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
	ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
	ADC_InitStructure.ADC_NbrOfChannel = 1;
	ADC_Init(ADC1, &ADC_InitStructure);

	// ADC2 configuration
	ADC_InitStructure.ADC_Mode = ADC_Mode_SlowInterl;
	ADC_InitStructure.ADC_ScanConvMode = DISABLE;
	ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
	ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
	ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
	ADC_InitStructure.ADC_NbrOfChannel = 1;
	ADC_Init(ADC2, &ADC_InitStructure);

	// Enable ADC1
	ADC_Cmd(ADC1, ENABLE);

	// Enable ADC1 reset calibration register
	ADC_ResetCalibration(ADC1);

	// Check the end of ADC1 reset calibration register
	while(ADC_GetResetCalibrationStatus(ADC1));

	// Start ADC1 calibration
	ADC_StartCalibration(ADC1);

	// Check the end of ADC1 calibration
	while(ADC_GetCalibrationStatus(ADC1));

	// Enable ADC2
	ADC_Cmd(ADC2, ENABLE);

	// Enable ADC2 reset calibration register
	ADC_ResetCalibration(ADC2);

	// Check the end of ADC2 reset calibration register
	while(ADC_GetResetCalibrationStatus(ADC2));

	// Start ADC2 calibration
	ADC_StartCalibration(ADC2);

	// Check the end of ADC2 calibration
	while(ADC_GetCalibrationStatus(ADC2));
}
开发者ID:kevinkessler,项目名称:core-firmware,代码行数:82,代码来源:spark_wiring.cpp

示例3: ADC3_CH6_DMA_Config

/**
  * @brief  ADC3 channel06 with DMA configuration
  * @param  None
  * @retval None
  */
void ADC3_CH6_DMA_Config(void)
{
    ADC_InitTypeDef       ADC_InitStructure;
    ADC_CommonInitTypeDef ADC_CommonInitStructure;
    DMA_InitTypeDef       DMA_InitStructure;
    GPIO_InitTypeDef      GPIO_InitStructure;
    
    /* Enable ADC3, DMA2 and GPIO clocks ****************************************/
    RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2 | RCC_AHB1Periph_GPIOF, ENABLE);
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC3, ENABLE);
    
    /* DMA2 Stream0 channel2 configuration **************************************/
    DMA_InitStructure.DMA_Channel = DMA_Channel_2;  
    DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)ADC3_DR_ADDRESS;
    DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)&ADC3ConvertedValue;
    DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
    DMA_InitStructure.DMA_BufferSize = 1;
    DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
    DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Disable;
    DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
    DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
    DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
    DMA_InitStructure.DMA_Priority = DMA_Priority_High;
    DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;         
    DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
    DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
    DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
    DMA_Init(DMA2_Stream0, &DMA_InitStructure);
    DMA_Cmd(DMA2_Stream0, ENABLE);
    
    /* Configure ADC3 Channel6 pin as analog input ******************************/
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
    GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
    GPIO_Init(GPIOF, &GPIO_InitStructure);
    
    /* ADC Common Init **********************************************************/
    ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
    ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2;
    ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
    ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;
    ADC_CommonInit(&ADC_CommonInitStructure);
    
    /* ADC3 Init ****************************************************************/
    ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
    ADC_InitStructure.ADC_ScanConvMode = DISABLE;
    ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
    ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
    ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1;
    ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
    ADC_InitStructure.ADC_NbrOfConversion = 1;
    ADC_Init(ADC3, &ADC_InitStructure);
    
    /* ADC3 regular channel6 configuration *************************************/
    ADC_RegularChannelConfig(ADC3, ADC_Channel_6, 1, ADC_SampleTime_3Cycles);
    
    /* Enable DMA request after last transfer (Single-ADC mode) */
    ADC_DMARequestAfterLastTransferCmd(ADC3, ENABLE);
    
    /* Enable ADC3 DMA */
    ADC_DMACmd(ADC3, ENABLE);
    
    /* Enable ADC3 */
    ADC_Cmd(ADC3, ENABLE);
}
开发者ID:captain168,项目名称:stm32f4_honglong,代码行数:70,代码来源:main.c

示例4: ADC_Config

/******************************************************************************************
*函数名:ADC_Init()
* 参数:void
* 返回值:void
* 功能:ADC初始化配置
*********************************************************************************************/
void ADC_Config(void)
{
ADC_InitTypeDef ADC_InitStructure;
DMA_InitTypeDef DMA_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
// RCC_Configuration();
// GPIO_Configuration();
// DMA_Configuration();
// ADC_Configuration();
// NVIC_Configuration();
	/*------------------------ DMA1 configuration ------------------------------*/
  /* Enable DMA1 clock */
  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
  /* DMA1 channel1 configuration */
  DMA_DeInit(DMA1_Channel1);
  DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)(&ADC1->DR);
  DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)&adc_value[0];
  DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
  DMA_InitStructure.DMA_BufferSize = 4;
  DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
  DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Disable;
  DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
  DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
  DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
  DMA_InitStructure.DMA_Priority = DMA_Priority_High;
  DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
  DMA_Init(DMA1_Channel1, &DMA_InitStructure);
  
  /* Enable DMA1 channel1 */
  DMA_Cmd(DMA1_Channel1, ENABLE);

  /*----------------- ADC1 configuration with DMA enabled --------------------*/
  /* Enable the HSI oscillator */
  RCC_HSICmd(ENABLE);


  /* Enable GPIOB clock */
  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOB, ENABLE);
  /* Configure PB.12 (ADC Channel18) in analog mode */
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
  GPIO_Init(GPIOB, &GPIO_InitStructure);
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
	GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
	GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
  GPIO_Init(GPIOB, &GPIO_InitStructure);
	BAT_MEASURE_RESET;

  /* Check that HSI oscillator is ready */
  while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET);

  /* Enable ADC1 clock */
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
  /* ADC1 configuration */
  ADC_InitStructure.ADC_ScanConvMode = ENABLE;
  ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
  ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
  ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
  ADC_InitStructure.ADC_NbrOfConversion = 1;
  ADC_Init(ADC1, &ADC_InitStructure);


  /* ADC1 regular channel18 configuration */ 
  ADC_RegularChannelConfig(ADC1, ADC_Channel_18, 1, ADC_SampleTime_48Cycles);


  /* Enable the request after last transfer for DMA Circular mode */
  ADC_DMARequestAfterLastTransferCmd(ADC1, ENABLE);
                                                   
  /* Enable ADC1 DMA */
  ADC_DMACmd(ADC1, ENABLE);
  
  /* Enable ADC1 */
  ADC_Cmd(ADC1, ENABLE);

  /* Wait until the ADC1 is ready */
  while(ADC_GetFlagStatus(ADC1, ADC_FLAG_ADONS) == RESET)
  {
  }

  /* Start ADC1 Software Conversion */ 
 // ADC_SoftwareStartConv(ADC1);
}
开发者ID:nongxiaoming,项目名称:STM32L151_RTX,代码行数:92,代码来源:adc.c

示例5: ADC_DMA_Init

void ADC_DMA_Init(void)
{
    ADC_InitTypeDef     ADC_InitStruct;
    DMA_InitTypeDef     DMA_InitStruct;

    /* ADC1 Periph clock enable */
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
    /* DMA1 clock enable */
    RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1 , ENABLE);

    /* ADC1 DeInit */
    ADC_DeInit(ADC1);
    /* Initialize ADC structure */
    ADC_StructInit(&ADC_InitStruct);
    /* Configure the ADC1 in continous mode with a resolutuion equal to 12 bits  */
    ADC_InitStruct.ADC_Resolution 					= ADC_Resolution_12b;
    ADC_InitStruct.ADC_ContinuousConvMode 	= ENABLE;
    ADC_InitStruct.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
    ADC_InitStruct.ADC_DataAlign 						= ADC_DataAlign_Right;
    ADC_InitStruct.ADC_ScanDirection 				= ADC_ScanDirection_Upward;
    ADC_Init(ADC1, &ADC_InitStruct);
    /* ADC CLOCK IS 12MHz*/

    //0.05MHz, the minimum sampling rate
    ADC_ChannelConfig(ADC1, ADC_Channel_0, ADC_SampleTime_239_5Cycles);
    ADC_ChannelConfig(ADC1, ADC_Channel_1, ADC_SampleTime_239_5Cycles);
    ADC_ChannelConfig(ADC1, ADC_Channel_2, ADC_SampleTime_239_5Cycles);
    ADC_ChannelConfig(ADC1, ADC_Channel_3, ADC_SampleTime_239_5Cycles);
    ADC_ChannelConfig(ADC1, ADC_Channel_8, ADC_SampleTime_239_5Cycles);
    ADC_ChannelConfig(ADC1, ADC_Channel_9, ADC_SampleTime_239_5Cycles);

    //  ADC_VrefintCmd(ENABLE);
    /* ADC Calibration */
    ADC_GetCalibrationFactor(ADC1);
    /* Enable ADC1 */
    ADC_Cmd(ADC1, ENABLE);
    /* Wait the ADCEN falg */
    while(!ADC_GetFlagStatus(ADC1, ADC_FLAG_ADEN));
    /* ADC1 regular Software Start Conv */
    ADC_StartOfConversion(ADC1);

    /* DMA1 Channel1 Config */
    DMA_DeInit(DMA1_Channel1);
    DMA_InitStruct.DMA_PeripheralBaseAddr = (uint32_t)ADC_DR_Address;
    DMA_InitStruct.DMA_MemoryBaseAddr 		= (uint32_t)&ADC_Data;
    DMA_InitStruct.DMA_DIR 								= DMA_DIR_PeripheralSRC;
    DMA_InitStruct.DMA_BufferSize 				=	6;
    DMA_InitStruct.DMA_PeripheralInc 			= DMA_PeripheralInc_Disable;
    DMA_InitStruct.DMA_MemoryInc 					= DMA_MemoryInc_Enable;
    DMA_InitStruct.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
    DMA_InitStruct.DMA_MemoryDataSize 		= DMA_MemoryDataSize_HalfWord;
    DMA_InitStruct.DMA_Mode 							= DMA_Mode_Circular;
    DMA_InitStruct.DMA_Priority 					= DMA_Priority_High;
    DMA_InitStruct.DMA_M2M 								= DMA_M2M_Disable;
    DMA_Init(DMA1_Channel1, &DMA_InitStruct);
    /* DMA1 Channel1 enable */
    DMA_Cmd(DMA1_Channel1, ENABLE);
    /* ADC DMA request in circular mode */
    ADC_DMARequestModeConfig(ADC1, ADC_DMAMode_Circular);
    /* Enable ADC_DMA */
    ADC_DMACmd(ADC1, ENABLE);
}
开发者ID:EMDCYY,项目名称:Laser-Power-TEC-Control,代码行数:62,代码来源:adc.c

示例6: HAL_SPI_DMA_Config

static void HAL_SPI_DMA_Config(HAL_SPI_Interface spi, void* tx_buffer, void* rx_buffer, uint32_t length)
{
    DMA_InitTypeDef DMA_InitStructure;
    NVIC_InitTypeDef NVIC_InitStructure;

    /* Enable DMA Clock */
    *spiMap[spi].SPI_RCC_AHBRegister |= spiMap[spi].SPI_RCC_AHBClockEnable;

    /* Deinitialize DMA Streams */
    DMA_DeInit(spiMap[spi].SPI_TX_DMA_Stream);
    DMA_DeInit(spiMap[spi].SPI_RX_DMA_Stream);

    DMA_InitStructure.DMA_BufferSize = length;
    DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;
    DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_Full;
    DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
    DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
    DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;

    DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)&spiMap[spi].SPI_Peripheral->DR;
    DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
    DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Byte;
    DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Byte;
    DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
    DMA_InitStructure.DMA_Priority = DMA_Priority_High;

    DMA_InitStructure.DMA_Channel = spiMap[spi].SPI_DMA_Channel;

    uint8_t tempMemory = 0xFF;

    /* Configure Tx DMA Stream */
    DMA_InitStructure.DMA_DIR = DMA_DIR_MemoryToPeripheral;
    if (tx_buffer)
    {
        DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)tx_buffer;
        DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
    }
    else
    {
        DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)(&tempMemory);
        DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Disable;
    }
    DMA_Init(spiMap[spi].SPI_TX_DMA_Stream, &DMA_InitStructure);

    /* Configure Rx DMA Stream */
    DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
    if (rx_buffer)
    {
        DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)rx_buffer;
        DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
    }
    else
    {
        DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)&tempMemory;
        DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Disable;
    }
    DMA_Init(spiMap[spi].SPI_RX_DMA_Stream, &DMA_InitStructure);

    /* Enable SPI TX DMA Stream Interrupt */
    DMA_ITConfig(spiMap[spi].SPI_TX_DMA_Stream, DMA_IT_TC, ENABLE);

    NVIC_InitStructure.NVIC_IRQChannel = spiMap[spi].SPI_TX_DMA_Stream_IRQn;
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 12;
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
    NVIC_Init(&NVIC_InitStructure);

    /* Enable the DMA Tx/Rx Stream */
    DMA_Cmd(spiMap[spi].SPI_TX_DMA_Stream, ENABLE);
    DMA_Cmd(spiMap[spi].SPI_RX_DMA_Stream, ENABLE);

    /* Enable the SPI Rx/Tx DMA request */
    SPI_I2S_DMACmd(spiMap[spi].SPI_Peripheral, SPI_I2S_DMAReq_Rx, ENABLE);
    SPI_I2S_DMACmd(spiMap[spi].SPI_Peripheral, SPI_I2S_DMAReq_Tx, ENABLE);
}
开发者ID:RobertNewkirk,项目名称:particle,代码行数:75,代码来源:spi_hal.c

示例7: adcInit

void adcInit(drv_adc_config_t *init)
{
#if defined(CJMCU) || defined(CC3D)
    UNUSED(init);
#endif


    uint8_t i;
    uint8_t configuredAdcChannels = 0;

    memset(&adcConfig, 0, sizeof(adcConfig));

    GPIO_InitTypeDef GPIO_InitStructure;
    GPIO_StructInit(&GPIO_InitStructure);
    GPIO_InitStructure.GPIO_Mode  = GPIO_Mode_AIN;

#ifdef ADC1_GPIO
    if (init->channelMask & ADC_CHANNEL1_ENABLE) {
        GPIO_InitStructure.GPIO_Pin = ADC1_GPIO_PIN;
        GPIO_Init(ADC1_GPIO, &GPIO_InitStructure);
        adcConfig[ADC_CHANNEL_1].adcChannel = ADC1_CHANNEL;
        adcConfig[ADC_CHANNEL_1].dmaIndex = configuredAdcChannels++;
        adcConfig[ADC_CHANNEL_1].enabled = true;
        adcConfig[ADC_CHANNEL_1].sampleTime = ADC_SampleTime_239Cycles5;
    }
#endif

#ifdef ADC2_GPIO
    if (init->channelMask & ADC_CHANNEL2_ENABLE) {
        GPIO_InitStructure.GPIO_Pin = ADC2_GPIO_PIN;
        GPIO_Init(ADC2_GPIO, &GPIO_InitStructure);
        adcConfig[ADC_CHANNEL_2].adcChannel = ADC2_CHANNEL;
        adcConfig[ADC_CHANNEL_2].dmaIndex = configuredAdcChannels++;
        adcConfig[ADC_CHANNEL_2].enabled = true;
        adcConfig[ADC_CHANNEL_2].sampleTime = ADC_SampleTime_239Cycles5;
    }
#endif

#ifdef ADC3_GPIO
    if (init->channelMask & ADC_CHANNEL3_ENABLE) {
        GPIO_InitStructure.GPIO_Pin = ADC3_GPIO_PIN;
        GPIO_Init(ADC3_GPIO, &GPIO_InitStructure);
        adcConfig[ADC_CHANNEL_3].adcChannel = ADC3_CHANNEL;
        adcConfig[ADC_CHANNEL_3].dmaIndex = configuredAdcChannels++;
        adcConfig[ADC_CHANNEL_3].enabled = true;
        adcConfig[ADC_CHANNEL_3].sampleTime = ADC_SampleTime_239Cycles5;
    }
#endif

#ifdef ADC4_GPIO
    if (init->channelMask & ADC_CHANNEL4_ENABLE) {
        GPIO_InitStructure.GPIO_Pin   = ADC4_GPIO_PIN;
        GPIO_Init(ADC4_GPIO, &GPIO_InitStructure);
        adcConfig[ADC_CHANNEL_4].adcChannel = ADC4_CHANNEL;
        adcConfig[ADC_CHANNEL_4].dmaIndex = configuredAdcChannels++;
        adcConfig[ADC_CHANNEL_4].enabled = true;
        adcConfig[ADC_CHANNEL_4].sampleTime = ADC_SampleTime_239Cycles5;
    }
#endif

    RCC_ADCCLKConfig(RCC_PCLK2_Div8);  // 9MHz from 72MHz APB2 clock(HSE), 8MHz from 64MHz (HSI)
    RCC_AHBPeriphClockCmd(ADC_AHB_PERIPHERAL, ENABLE);
    RCC_APB2PeriphClockCmd(ADC_ABP2_PERIPHERAL, ENABLE);

    // FIXME ADC driver assumes all the GPIO was already placed in 'AIN' mode

    DMA_DeInit(ADC_DMA_CHANNEL);
    DMA_InitTypeDef DMA_InitStructure;
    DMA_StructInit(&DMA_InitStructure);
    DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)&ADC_INSTANCE->DR;
    DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)adcValues;
    DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
    DMA_InitStructure.DMA_BufferSize = configuredAdcChannels;
    DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
    DMA_InitStructure.DMA_MemoryInc = configuredAdcChannels > 1 ? DMA_MemoryInc_Enable : DMA_MemoryInc_Disable;
    DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
    DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
    DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
    DMA_InitStructure.DMA_Priority = DMA_Priority_High;
    DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
    DMA_Init(ADC_DMA_CHANNEL, &DMA_InitStructure);
    DMA_Cmd(ADC_DMA_CHANNEL, ENABLE);

    ADC_InitTypeDef ADC_InitStructure;
    ADC_StructInit(&ADC_InitStructure);
    ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
    ADC_InitStructure.ADC_ScanConvMode = configuredAdcChannels > 1 ? ENABLE : DISABLE;
    ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
    ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
    ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
    ADC_InitStructure.ADC_NbrOfChannel = configuredAdcChannels;
    ADC_Init(ADC_INSTANCE, &ADC_InitStructure);

    uint8_t rank = 1;
    for (i = 0; i < ADC_CHANNEL_COUNT; i++) {
        if (!adcConfig[i].enabled) {
            continue;
        }
        ADC_RegularChannelConfig(ADC_INSTANCE, adcConfig[i].adcChannel, rank++, adcConfig[i].sampleTime);
    }
//.........这里部分代码省略.........
开发者ID:180jacob,项目名称:cleanflight,代码行数:101,代码来源:adc_stm32f10x.c

示例8: bsp_InitADC

/*
*********************************************************************************************************
*	函 数 名: bsp_InitADC
*	功能说明: ADC初始化
*	形    参: 无
*	返 回 值: 无
*********************************************************************************************************
*/
void bsp_InitADC(void)
{
	ADC_InitTypeDef       ADC_InitStructure;
	ADC_CommonInitTypeDef ADC_CommonInitStructure;
	DMA_InitTypeDef       DMA_InitStructure;
	GPIO_InitTypeDef      GPIO_InitStructure;
	
	/* 使能外设时钟 */
	RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2 | RCC_AHB1Periph_GPIOA  | RCC_AHB1Periph_GPIOB| RCC_AHB1Periph_GPIOC, ENABLE);
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
    
    
   GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
	GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
	GPIO_Init(GPIOA, &GPIO_InitStructure);
	
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
	GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
	GPIO_Init(GPIOB, &GPIO_InitStructure);
    
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
	GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
	GPIO_Init(GPIOB, &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(GPIOC, &GPIO_InitStructure);
    
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
	GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
	GPIO_Init(GPIOC, &GPIO_InitStructure);

	/* DMA2 Stream0 channel0 配置-------------------------------------------------- */
	DMA_InitStructure.DMA_Channel = DMA_Channel_0;  
	DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)ADC1_DR_ADDRESS;
	DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)&uhADCConvertedValue;;
	DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
	DMA_InitStructure.DMA_BufferSize = 4;
	DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
	DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
    
    DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
    DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
    
	DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
	DMA_InitStructure.DMA_Priority = DMA_Priority_High;
	DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;         
	DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
	DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
	DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
	DMA_Init(DMA2_Stream0, &DMA_InitStructure);

	/* DMA2_Stream0 enable */
	DMA_Cmd(DMA2_Stream0, ENABLE);
    
    /****************************************************************************   
	  PCLK2 = HCLK / 2 
	  下面选择的是2分频
	  ADCCLK = PCLK2 /8 = HCLK / 8 = 168 / 8 = 21M
      ADC采样频率: Sampling Time + Conversion Time = 480 + 12 cycles = 492cyc
                    Conversion Time = 21MHz / 492cyc = 42.6ksps. 
	*****************************************************************************/
    
	/* ADC Common 配置 ----------------------------------------------------------*/
     ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
    ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2;
    ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
    ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;
    ADC_CommonInit(&ADC_CommonInitStructure);

	/* ADC1 regular channel 12 configuration ************************************/
	ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
	ADC_InitStructure.ADC_ScanConvMode = ENABLE;
	ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
	ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
	ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
	ADC_InitStructure.ADC_NbrOfConversion = 4;
    ADC_Init(ADC1, &ADC_InitStructure);
    
     /* Enable ADC1 DMA */
    ADC_DMACmd(ADC1, ENABLE);

  	ADC_RegularChannelConfig(ADC1, ADC_Channel_1, 5, ADC_SampleTime_15Cycles);
    /* ADC1 regular channel18 (VBAT) configuration ******************************/
    ADC_RegularChannelConfig(ADC1, ADC_Channel_8, 1, ADC_SampleTime_15Cycles);
    /* ADC1 regular channel18 (VBAT) configuration *****************************/
    ADC_RegularChannelConfig(ADC1, ADC_Channel_9, 2, ADC_SampleTime_15Cycles);
//.........这里部分代码省略.........
开发者ID:Tanmingtian,项目名称:YH,代码行数:101,代码来源:bsp_adc.c

示例9: DMA_Config

/**
  * @brief  Configure the DMA controller according to the Stream parameters
  *         defined in main.h file 
  * @param  None
  * @retval None
  */
void DMA_Config(void)
{
  NVIC_InitTypeDef NVIC_InitStructure;
  DMA_InitTypeDef  DMA_InitStructure;
  __IO uint32_t    Timeout = TIMEOUT_MAX;
    
  /* Enable DMA clock */
  RCC_AHB1PeriphClockCmd(DMA_STREAM_CLOCK, ENABLE);
  
  /* Reset DMA Stream registers (for debug purpose) */
  DMA_DeInit(DMA_STREAM);

  /* Check if the DMA Stream is disabled before enabling it.
     Note that this step is useful when the same Stream is used multiple times:
     enabled, then disabled then re-enabled... In this case, the DMA Stream disable
     will be effective only at the end of the ongoing data transfer and it will 
     not be possible to re-configure it before making sure that the Enable bit 
     has been cleared by hardware. If the Stream is used only once, this step might 
     be bypassed. */
  while (DMA_GetCmdStatus(DMA_STREAM) != DISABLE)
  {
  }
  
  /* Configure DMA Stream */
  DMA_InitStructure.DMA_Channel = DMA_CHANNEL;  
  DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)SRC_Const_Buffer;
  DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)DST_Buffer;
  DMA_InitStructure.DMA_DIR = DMA_DIR_MemoryToMemory;
  DMA_InitStructure.DMA_BufferSize = (uint32_t)BUFFER_SIZE;
  DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Enable;
  DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
  DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word;
  DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_Word;
  DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
  DMA_InitStructure.DMA_Priority = DMA_Priority_High;
  DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;         
  DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_Full;
  DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
  DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
  DMA_Init(DMA_STREAM, &DMA_InitStructure);
    
  /* Enable DMA Stream Transfer Complete interrupt */
  DMA_ITConfig(DMA_STREAM, DMA_IT_TC, ENABLE);

  /* DMA Stream enable */
  DMA_Cmd(DMA_STREAM, ENABLE);

  /* Check if the DMA Stream has been effectively enabled.
     The DMA Stream Enable bit is cleared immediately by hardware if there is an 
     error in the configuration parameters and the transfer is no started (ie. when
     wrong FIFO threshold is configured ...) */
  Timeout = TIMEOUT_MAX;
  while ((DMA_GetCmdStatus(DMA_STREAM) != ENABLE) && (Timeout-- > 0))
  {
  }
   
  /* Check if a timeout condition occurred */
  if (Timeout == 0)
  {
    /* Manage the error: to simplify the code enter an infinite loop */
    while (1)
    {
    }
  }

  /* Enable the DMA Stream IRQ Channel */
  NVIC_InitStructure.NVIC_IRQChannel = DMA_STREAM_IRQ;
  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
  NVIC_Init(&NVIC_InitStructure);     
}
开发者ID:agb861,项目名称:STM32F,代码行数:78,代码来源:main.c

示例10: adcInit

void adcInit(const adcConfig_t *config)
{
    ADC_InitTypeDef ADC_InitStructure;
    DMA_InitTypeDef DMA_InitStructure;

    uint8_t adcChannelCount = 0;

    memset(&adcOperatingConfig, 0, sizeof(adcOperatingConfig));

    if (config->vbat.enabled) {
        adcOperatingConfig[ADC_BATTERY].tag = config->vbat.ioTag;
    }

    if (config->rssi.enabled) {
        adcOperatingConfig[ADC_RSSI].tag = config->rssi.ioTag;  //RSSI_ADC_CHANNEL;
    }

    if (config->external1.enabled) {
        adcOperatingConfig[ADC_EXTERNAL1].tag = config->external1.ioTag; //EXTERNAL1_ADC_CHANNEL;
    }

    if (config->current.enabled) {
        adcOperatingConfig[ADC_CURRENT].tag = config->current.ioTag;  //CURRENT_METER_ADC_CHANNEL;
    }

    ADCDevice device = adcDeviceByInstance(ADC_INSTANCE);
    if (device == ADCINVALID)
        return;

#ifdef ADC24_DMA_REMAP
    SYSCFG_DMAChannelRemapConfig(SYSCFG_DMARemap_ADC2ADC4, ENABLE);
#endif
    adcDevice_t adc = adcHardware[device];

    bool adcActive = false;
    for (int i = 0; i < ADC_CHANNEL_COUNT; i++) {
        if (!adcVerifyPin(adcOperatingConfig[i].tag, device)) {
            continue;
        }

        adcActive = true;
        IOInit(IOGetByTag(adcOperatingConfig[i].tag), OWNER_ADC_BATT + i, 0);
        IOConfigGPIO(IOGetByTag(adcOperatingConfig[i].tag), IO_CONFIG(GPIO_Mode_AN, 0, GPIO_OType_OD, GPIO_PuPd_NOPULL));
        adcOperatingConfig[i].adcChannel = adcChannelByTag(adcOperatingConfig[i].tag);
        adcOperatingConfig[i].dmaIndex = adcChannelCount++;
        adcOperatingConfig[i].sampleTime = ADC_SampleTime_601Cycles5;
        adcOperatingConfig[i].enabled = true;
    }

    if (!adcActive) {
        return;
    }

    if ((device == ADCDEV_1) || (device == ADCDEV_2)) {
        // enable clock for ADC1+2
        RCC_ADCCLKConfig(RCC_ADC12PLLCLK_Div256);  // 72 MHz divided by 256 = 281.25 kHz
    } else {
        // enable clock for ADC3+4
        RCC_ADCCLKConfig(RCC_ADC34PLLCLK_Div256);  // 72 MHz divided by 256 = 281.25 kHz
    }

    RCC_ClockCmd(adc.rccADC, ENABLE);

    dmaInit(dmaGetIdentifier(adc.DMAy_Channelx), OWNER_ADC, 0);

    DMA_DeInit(adc.DMAy_Channelx);

    DMA_StructInit(&DMA_InitStructure);
    DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)&adc.ADCx->DR;
    DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)adcValues;
    DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
    DMA_InitStructure.DMA_BufferSize = adcChannelCount;
    DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
    DMA_InitStructure.DMA_MemoryInc = adcChannelCount > 1 ? DMA_MemoryInc_Enable : DMA_MemoryInc_Disable;
    DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
    DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
    DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
    DMA_InitStructure.DMA_Priority = DMA_Priority_High;
    DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;

    DMA_Init(adc.DMAy_Channelx, &DMA_InitStructure);

    DMA_Cmd(adc.DMAy_Channelx, ENABLE);

    // calibrate

    ADC_VoltageRegulatorCmd(adc.ADCx, ENABLE);
    delay(10);
    ADC_SelectCalibrationMode(adc.ADCx, ADC_CalibrationMode_Single);
    ADC_StartCalibration(adc.ADCx);
    while (ADC_GetCalibrationStatus(adc.ADCx) != RESET);
    ADC_VoltageRegulatorCmd(adc.ADCx, DISABLE);

    ADC_CommonInitTypeDef ADC_CommonInitStructure;

    ADC_CommonStructInit(&ADC_CommonInitStructure);
    ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
    ADC_CommonInitStructure.ADC_Clock = ADC_Clock_SynClkModeDiv4;
    ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_1;
    ADC_CommonInitStructure.ADC_DMAMode = ADC_DMAMode_Circular;
//.........这里部分代码省略.........
开发者ID:4712,项目名称:cleanflight,代码行数:101,代码来源:adc_stm32f30x.c

示例11: Peripherals_Init

void Peripherals_Init(void)
{
#ifdef NVIC_AUTOINIT
  NVIC_Init();
#endif /* NVIC_AUTOINIT */
#ifdef SIM_AUTOINIT
  SIM_Init();
#endif /* SIM_AUTOINIT */

#ifdef MCM_AUTOINIT
  MCM_Init();
#endif /* MCM_AUTOINIT */
#ifdef PMC_AUTOINIT
  PMC_Init();
#endif /* PMC_AUTOINIT */
#ifdef PORTA_AUTOINIT
  PORTA_Init();
#endif /* PORTA_AUTOINIT */
#ifdef PORTB_AUTOINIT
  PORTB_Init();
#endif /* PORTB_AUTOINIT */
#ifdef PORTC_AUTOINIT
  PORTC_Init();
#endif /* PORTC_AUTOINIT */
#ifdef PORTD_AUTOINIT
  PORTD_Init();
#endif /* PORTD_AUTOINIT */
#ifdef PORTE_AUTOINIT
  PORTE_Init();
#endif /* PORTE_AUTOINIT */

#ifdef ADC0_AUTOINIT
  ADC0_Init();
#endif /* ADC0_AUTOINIT */
#ifdef ADC1_AUTOINIT
  ADC1_Init();
#endif /* ADC1_AUTOINIT */
#ifdef AIPS0_AUTOINIT
  AIPS0_Init();
#endif /* AIPS0_AUTOINIT */
#ifdef CMP0_AUTOINIT
  CMP0_Init();
#endif /* CMP0_AUTOINIT */
#ifdef CMP1_AUTOINIT
  CMP1_Init();
#endif /* CMP1_AUTOINIT */
#ifdef CRC_AUTOINIT
  CRC_Init();
#endif /* CRC_AUTOINIT */
#ifdef DAC0_AUTOINIT
  DAC0_Init();
#endif /* DAC0_AUTOINIT */
#ifdef DAC1_AUTOINIT
  DAC1_Init();
#endif /* DAC1_AUTOINIT */
#ifdef DMAMUX_AUTOINIT
  DMAMUX_Init();
#endif /* DMAMUX_AUTOINIT */
#ifdef DMA_AUTOINIT
  DMA_Init();
#endif /* DMA_AUTOINIT */
#ifdef EWM_AUTOINIT
  EWM_Init();
#endif /* EWM_AUTOINIT */
#ifdef FB_AUTOINIT
  FB_Init();
#endif /* FB_AUTOINIT */
#ifdef FMC_AUTOINIT
  FMC_Init();
#endif /* FMC_AUTOINIT */
#ifdef FTFA_AUTOINIT
  FTFA_Init();
#endif /* FTFA_AUTOINIT */
#ifdef FTM0_AUTOINIT
  FTM0_Init();
#endif /* FTM0_AUTOINIT */
#ifdef FTM1_AUTOINIT
  FTM1_Init();
#endif /* FTM1_AUTOINIT */
#ifdef FTM2_AUTOINIT
  FTM2_Init();
#endif /* FTM2_AUTOINIT */
#ifdef FTM3_AUTOINIT
  FTM3_Init();
#endif /* FTM3_AUTOINIT */
#ifdef I2C0_AUTOINIT
  I2C0_Init();
#endif /* I2C0_AUTOINIT */
#ifdef I2C1_AUTOINIT
  I2C1_Init();
#endif /* I2C1_AUTOINIT */
#ifdef I2S0_AUTOINIT
  I2S0_Init();
#endif /* I2S0_AUTOINIT */
#ifdef LLWU_AUTOINIT
  LLWU_Init();
#endif /* LLWU_AUTOINIT */
#ifdef LPTMR0_AUTOINIT
  LPTMR0_Init();
#endif /* LPTMR0_AUTOINIT */
//.........这里部分代码省略.........
开发者ID:NateZimmer,项目名称:MarqDrone,代码行数:101,代码来源:Peripherals_Init.c

示例12: hal_adc_open

int hal_adc_open(HAL_ADC_HANDLE *handle, void *params)
{
	ADC_InitTypeDef       ADC_InitStructure;
	ADC_CommonInitTypeDef ADC_CommonInitStructure;
	DMA_InitTypeDef       DMA_InitStructure;

    UNUSED(params);

    /* DMA2_Stream0 channel0 configuration **************************************/
    DMA_DeInit(DMA2_Stream0);
    DMA_InitStructure.DMA_Channel = DMA_Channel_0;
    DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)ADC1_DR_Address;
    DMA_InitStructure.DMA_Memory0BaseAddr = (uint32_t)convertedValues;
    DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
    DMA_InitStructure.DMA_BufferSize = 1;
    DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
    DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Disable;
    DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
    DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
    DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
    DMA_InitStructure.DMA_Priority = DMA_Priority_High;
    DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Disable;
    DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_HalfFull;
    DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
    DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;
    DMA_Init(DMA2_Stream0, &DMA_InitStructure);
    /* DMA2_Stream0 enable */
    DMA_Cmd(DMA2_Stream0, ENABLE);

    /* ADC Common Init **********************************************************/
    ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
    ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2;
    ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
    ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_20Cycles;
    ADC_CommonInit(&ADC_CommonInitStructure);

    /* ADC1 Init ****************************************************************/
    ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
    ADC_InitStructure.ADC_ScanConvMode = DISABLE;
    ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
    ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
    ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
    ADC_InitStructure.ADC_NbrOfConversion = 1;
    ADC_Init(ADC1, &ADC_InitStructure);

    /* Enable ADC1 DMA */
    ADC_DMACmd(ADC1, ENABLE);

    /* ADC1 regular channel18 (VBAT) configuration ******************************/
    ADC_RegularChannelConfig(ADC1, ADC_Channel_4, 1, ADC_SampleTime_480Cycles);

    /* Enable DMA request after last transfer (Single-ADC mode) */
    ADC_DMARequestAfterLastTransferCmd(ADC1, ENABLE);

    /* Enable ADC1 **************************************************************/
    ADC_Cmd(ADC1, ENABLE);

    ADC_SoftwareStartConv(ADC1);

    *handle = (void *)convertedValues;

    return HAL_ADC_E_SUCCESS;
}
开发者ID:BGCX261,项目名称:zhonx2-git,代码行数:63,代码来源:hal_adc.c

示例13: adc_init

void adc_init(void)
{	 
  ADC_InitTypeDef     ADC_InitStructure;
  
	{
  GPIO_InitTypeDef    GPIO_InitStructure;
  
  GPIO_InitStructure.GPIO_Pin = BATTERYPIN ;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
  GPIO_Init(BATTERYPORT, &GPIO_InitStructure);
	}

  RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
  
  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1 , ENABLE);
	{
  DMA_InitTypeDef     DMA_InitStructure;
	
  DMA_InitStructure.DMA_PeripheralBaseAddr = (uint32_t)0x40012440;
  DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)adcarray;
  DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
  DMA_InitStructure.DMA_BufferSize = 2;
  DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
  DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
  DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
  DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
  DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
  DMA_InitStructure.DMA_Priority = DMA_Priority_High;
  DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
  DMA_Init(DMA1_Channel1, &DMA_InitStructure);
	}
  
  ADC_DMARequestModeConfig(ADC1, ADC_DMAMode_Circular);
 
  ADC_DMACmd(ADC1, ENABLE);  

  ADC_StructInit(&ADC_InitStructure);
  
	
  ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
  ADC_InitStructure.ADC_ContinuousConvMode = ENABLE; 
  ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
  ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
  ADC_InitStructure.ADC_ScanDirection = ADC_ScanDirection_Backward;
  ADC_Init(ADC1, &ADC_InitStructure); 
	
  ADC_ChannelConfig(ADC1, ADC_Channel_Vrefint , ADC_SampleTime_239_5Cycles); 
 
  ADC_ChannelConfig(ADC1, BATTERY_ADC_CHANNEL , ADC_SampleTime_239_5Cycles); 

  ADC_VrefintCmd(ENABLE);
	
  ADC_GetCalibrationFactor(ADC1);
  
  ADC_Cmd(ADC1, ENABLE);     

  ADC_StartOfConversion(ADC1);
	
  DMA_Cmd(DMA1_Channel1, ENABLE);
 
 // reference is measured a 3.3v, we are powered by 2.8, so a 1.17 multiplier
 // different vccs will translate to a different adc scale factor,
 // so actual vcc is not important as long as the voltage is correct in the end 
  vref_cal =  1.17857f * (float) ( adcref_read ((adcrefcal *) 0x1FFFF7BA) );
}
开发者ID:silver13,项目名称:H8mini_blue_board,代码行数:66,代码来源:drv_adc.c

示例14: OV2640_Init

/**
  * @brief  Configures DCMI/DMA to capture image from the OV2640 camera.
  * @param  ImageFormat: Image format BMP or JPEG 
  * @param  BMPImageSize: BMP Image size
  * @retval None
  */
void OV2640_Init(ImageFormat_TypeDef ImageFormat)
{
  DCMI_InitTypeDef DCMI_InitStructure;
  DMA_InitTypeDef  DMA_InitStructure;

  /*** Configures the DCMI to interface with the OV2640 camera module ***/
  /* Enable DCMI clock */
  RCC_AHB2PeriphClockCmd(RCC_AHB2Periph_DCMI, ENABLE);

  /* DCMI configuration */ 
  DCMI_InitStructure.DCMI_CaptureMode = DCMI_CaptureMode_Continuous;
  DCMI_InitStructure.DCMI_SynchroMode = DCMI_SynchroMode_Hardware;
  DCMI_InitStructure.DCMI_PCKPolarity = DCMI_PCKPolarity_Rising;
  DCMI_InitStructure.DCMI_VSPolarity = DCMI_VSPolarity_Low;
  DCMI_InitStructure.DCMI_HSPolarity = DCMI_HSPolarity_Low;
  DCMI_InitStructure.DCMI_CaptureRate = DCMI_CaptureRate_All_Frame;
  DCMI_InitStructure.DCMI_ExtendedDataMode = DCMI_ExtendedDataMode_8b;

  /* Configures the DMA2 to transfer Data from DCMI */
  /* Enable DMA2 clock */
  RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2, ENABLE);
  
  /* DMA2 Stream1 Configuration */  
  DMA_DeInit(DMA2_Stream1);

  DMA_InitStructure.DMA_Channel = DMA_Channel_1;  
  DMA_InitStructure.DMA_PeripheralBaseAddr = DCMI_DR_ADDRESS;	
  DMA_InitStructure.DMA_Memory0BaseAddr = FSMC_LCD_ADDRESS;
  DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralToMemory;
  DMA_InitStructure.DMA_BufferSize = 1;
  DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
  DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Disable;
  DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_Word;
  DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
  DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
  DMA_InitStructure.DMA_Priority = DMA_Priority_High;
  DMA_InitStructure.DMA_FIFOMode = DMA_FIFOMode_Enable;
  DMA_InitStructure.DMA_FIFOThreshold = DMA_FIFOThreshold_Full;
  DMA_InitStructure.DMA_MemoryBurst = DMA_MemoryBurst_Single;
  DMA_InitStructure.DMA_PeripheralBurst = DMA_PeripheralBurst_Single;

  switch(ImageFormat)
  {
    case BMP_QQVGA:
    {
      /* DCMI configuration */ 
      DCMI_InitStructure.DCMI_VSPolarity = DCMI_VSPolarity_High;
      DCMI_Init(&DCMI_InitStructure);

      /* DMA2 IRQ channel Configuration */
      DMA_Init(DMA2_Stream1, &DMA_InitStructure);
      break;
    }
    case BMP_QVGA:
    {
      /* DCMI configuration */
      DCMI_Init(&DCMI_InitStructure);

      /* DMA2 IRQ channel Configuration */
      DMA_Init(DMA2_Stream1, &DMA_InitStructure);
      break;
    }
     default:
    {
      /* DCMI configuration */ 
      DCMI_InitStructure.DCMI_VSPolarity = DCMI_VSPolarity_High;
      DCMI_Init(&DCMI_InitStructure);

      /* DMA2 IRQ channel Configuration */
      DMA_Init(DMA2_Stream1, &DMA_InitStructure);
      break;
    }
  }
}
开发者ID:JanusRC,项目名称:T2-Terminus,代码行数:80,代码来源:dcmi_ov2640.c

示例15: ana_inputs_regist

/***************************************************************************************************
* @fn 	 ana_inputs_regist
*
* @brief	 Ò£¸Ë¡¢²¦ÂÖ¼°µçѹ¼à²â×ÊÔ´×¢²á
* @param	 NULL
* @return    null
***************************************************************************************************/
void ana_inputs_regist(void)
{
	 GPIO_InitTypeDef 		GPIO_InitStructure;
	 ADC_InitTypeDef  		ADC_InitStructure;
	 ADC_CommonInitTypeDef 	ADC_CommonInitStructure;
	 DMA_InitTypeDef  		DMA_InitStructure;
	 NVIC_InitTypeDef 		NVIC_InitStructure;

	//GPIO init
	//STICK RV
	RCC_AHB1PeriphClockCmd(STICK_RV_GPIO_CLK, ENABLE);
	GPIO_InitStructure.GPIO_Pin = STICK_RV_PIN;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
	GPIO_InitStructure.GPIO_PuPd  = GPIO_PuPd_NOPULL;
	GPIO_Init(STICK_RV_PORT, &GPIO_InitStructure);

	//STICK RH
	RCC_AHB1PeriphClockCmd(STICK_RH_GPIO_CLK, ENABLE);
	GPIO_InitStructure.GPIO_Pin = STICK_RH_PIN;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
	GPIO_InitStructure.GPIO_PuPd  = GPIO_PuPd_NOPULL;
	GPIO_Init(STICK_RH_PORT, &GPIO_InitStructure);

	//STICK LH
	RCC_AHB1PeriphClockCmd(STICK_LH_GPIO_CLK, ENABLE);
	GPIO_InitStructure.GPIO_Pin = STICK_LH_PIN;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
	GPIO_InitStructure.GPIO_PuPd  = GPIO_PuPd_NOPULL;
	GPIO_Init(STICK_LH_PORT, &GPIO_InitStructure);

	//STICK LV
	RCC_AHB1PeriphClockCmd(STICK_LV_GPIO_CLK, ENABLE);
	GPIO_InitStructure.GPIO_Pin = STICK_LV_PIN;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
	GPIO_InitStructure.GPIO_PuPd  = GPIO_PuPd_NOPULL;
	GPIO_Init(STICK_LV_PORT, &GPIO_InitStructure);

	//ROTATE_LU
	RCC_AHB1PeriphClockCmd(ROTATE_LU_GPIO_CLK, ENABLE);
	GPIO_InitStructure.GPIO_Pin = ROTATE_LU_PIN;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
	GPIO_InitStructure.GPIO_PuPd  = GPIO_PuPd_NOPULL;
	GPIO_Init(ROTATE_LU_PORT, &GPIO_InitStructure);

	//ROTATE_LD
	RCC_AHB1PeriphClockCmd(ROTATE_LD_GPIO_CLK, ENABLE);
	GPIO_InitStructure.GPIO_Pin = ROTATE_LD_PIN;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
	GPIO_InitStructure.GPIO_PuPd  = GPIO_PuPd_NOPULL;
	GPIO_Init(ROTATE_LD_PORT, &GPIO_InitStructure);

	//ROTATE_RU
	RCC_AHB1PeriphClockCmd(ROTATE_RU_GPIO_CLK, ENABLE);
	GPIO_InitStructure.GPIO_Pin = ROTATE_RU_PIN;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
	GPIO_InitStructure.GPIO_PuPd  = GPIO_PuPd_NOPULL;
	GPIO_Init(ROTATE_RU_PORT, &GPIO_InitStructure);

	//ROTATE_RD
	RCC_AHB1PeriphClockCmd(ROTATE_RD_GPIO_CLK, ENABLE);
	GPIO_InitStructure.GPIO_Pin = ROTATE_RD_PIN;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
	GPIO_InitStructure.GPIO_PuPd  = GPIO_PuPd_NOPULL;
	GPIO_Init(ROTATE_RD_PORT, &GPIO_InitStructure);

	//MONITOR_VOL
	RCC_AHB1PeriphClockCmd(MONITOR_VOL_GPIO_CLK, ENABLE);
	GPIO_InitStructure.GPIO_Pin = MONITOR_VOL_PIN;
	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
	GPIO_InitStructure.GPIO_PuPd  = GPIO_PuPd_NOPULL;
	GPIO_Init(MONITOR_VOL_PORT, &GPIO_InitStructure);

	//--------------ADC init---------------------------------
	RCC_APB2PeriphClockCmd(SKYBORNE_ADC_CLK, ENABLE);
	ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
	ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div2;
	ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
	ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;
	ADC_CommonInit(&ADC_CommonInitStructure);
	
	ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
	ADC_InitStructure.ADC_ScanConvMode = ENABLE;
	ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
	ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
	ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_T1_CC1;
	ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
	ADC_InitStructure.ADC_NbrOfConversion = ADC_MODULE_NUMBER;
	ADC_Init(SKYBORNE_ADC, &ADC_InitStructure);

	//²ÉÑùÅÅÐò
	
	ADC_RegularChannelConfig(SKYBORNE_ADC, STICK_RV_ADC_CHANNEL, STICK_RV+1, ADC_SampleTime_28Cycles);
	ADC_RegularChannelConfig(SKYBORNE_ADC, STICK_RH_ADC_CHANNEL, STICK_RH+1, ADC_SampleTime_28Cycles);
//.........这里部分代码省略.........
开发者ID:cansonlee,项目名称:rc_controller,代码行数:101,代码来源:ana_inputs.c


注:本文中的DMA_Init函数示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。