本文整理匯總了C++中DMAx_CLK_ENABLE函數的典型用法代碼示例。如果您正苦於以下問題：C++ DMAx_CLK_ENABLE函數的具體用法？C++ DMAx_CLK_ENABLE怎麽用？C++ DMAx_CLK_ENABLE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DMAx_CLK_ENABLE函數的12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: HAL_ADC_MspInit
/**
* @brief ADC MSP Initialization
* This function configures the hardware resources used in this example:
* - Peripheral's clock enable
* - Peripheral's GPIO Configuration
* @param huart: UART handle pointer
* @retval None
*/
void HAL_ADC_MspInit(ADC_HandleTypeDef* hadc)
{
GPIO_InitTypeDef GPIO_InitStruct;
static DMA_HandleTypeDef hdma_adc;
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable GPIO clock */
ADCx_CHANNEL1_GPIO_CLK_ENABLE();
ADCx_CLK1_ENABLE();
ADCx_CHANNEL2_GPIO_CLK_ENABLE();
ADCx_CLK2_ENABLE();
/* Enable DMA2 clock */
DMAx_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/* ADC3 Channel8 GPIO pin configuration */
GPIO_InitStruct.Pin = ADCx_CHANNEL1_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(ADCx_CHANNEL1_GPIO_PORT, &GPIO_InitStruct);
GPIO_InitStruct.Pin = ADCx_CHANNEL2_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(ADCx_CHANNEL2_GPIO_PORT, &GPIO_InitStruct);
/*##-3- Configure the DMA streams ##########################################*/
/* Set the parameters to be configured */
hdma_adc.Instance = ADCx_DMA_STREAM;
hdma_adc.Init.Channel = ADCx_DMA_CHANNEL;
hdma_adc.Init.Direction = DMA_PERIPH_TO_MEMORY;
hdma_adc.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_adc.Init.MemInc = DMA_MINC_ENABLE;
hdma_adc.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
hdma_adc.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
hdma_adc.Init.Mode = DMA_CIRCULAR;
hdma_adc.Init.Priority = DMA_PRIORITY_HIGH;
hdma_adc.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
hdma_adc.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_HALFFULL;
hdma_adc.Init.MemBurst = DMA_MBURST_SINGLE;
hdma_adc.Init.PeriphBurst = DMA_PBURST_SINGLE;
HAL_DMA_Init(&hdma_adc);
/* Associate the initialized DMA handle to the the ADC handle */
__HAL_LINKDMA(hadc, DMA_Handle, hdma_adc);
/*##-4- Configure the NVIC for DMA #########################################*/
/* NVIC configuration for DMA transfer complete interrupt */
HAL_NVIC_SetPriority(ADCx_DMA_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(ADCx_DMA_IRQn);
}示例2: HAL_TIM_PWM_MspInit
/**
* @brief TIM MSP Initialization
* This function configures the hardware resources used in this example:
* - Peripheral's clock enable
* - Peripheral's GPIO Configuration
* - DMA configuration for transmission request by peripheral
* @param htim: TIM handle pointer
* @retval None
*/
void HAL_TIM_PWM_MspInit(TIM_HandleTypeDef *htim)
{
GPIO_InitTypeDef GPIO_InitStruct;
static DMA_HandleTypeDef hdma_tim;
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* TIMx clock enable */
TIMx_CLK_ENABLE();
/* Enable GPIO Channel3/3N Clocks */
TIMx_CHANNEL1_GPIO_CLK_ENABLE();
/* Enable DMA clock */
DMAx_CLK_ENABLE();
/* Configure TIM2_Channel1 in output, push-pull & alternate function mode */
GPIO_InitStruct.Pin = GPIO_PIN_CHANNEL1;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF_TIMx;
HAL_GPIO_Init(TIMx_GPIO_CHANNEL1_PORT, &GPIO_InitStruct);
/* Set the parameters to be configured */
hdma_tim.Init.Channel = DMA_CHANNEL_CC1;
hdma_tim.Init.Direction = DMA_MEMORY_TO_PERIPH;
hdma_tim.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_tim.Init.MemInc = DMA_MINC_ENABLE;
hdma_tim.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD ;
hdma_tim.Init.MemDataAlignment = DMA_MDATAALIGN_WORD ;
hdma_tim.Init.Mode = DMA_NORMAL;
hdma_tim.Init.Priority = DMA_PRIORITY_HIGH;
hdma_tim.Init.FIFOMode = DMA_FIFOMODE_ENABLE;
hdma_tim.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
hdma_tim.Init.MemBurst = DMA_MBURST_SINGLE;
hdma_tim.Init.PeriphBurst = DMA_PBURST_SINGLE;
/* Set hdma_tim instance */
hdma_tim.Instance = TIMx_CC1_DMA_INST;
/* Link hdma_tim to hdma[TIM_DMA_ID_UPDATE] (update) */
__HAL_LINKDMA(htim, hdma[TIM_DMA_ID_UPDATE], hdma_tim);
/* Initialize TIMx DMA handle */
HAL_DMA_Init(htim->hdma[TIM_DMA_ID_UPDATE]);
/*##-2- Configure the NVIC for DMA #########################################*/
/* NVIC configuration for DMA transfer complete interrupt */
HAL_NVIC_SetPriority(TIMx_DMA_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(TIMx_DMA_IRQn);
}示例3: HAL_DAC_MspInit
/**
* @brief DAC MSP De-Initialization
* This function frees the hardware resources used in this example:
* - Disable the Peripheral's clock
* - Revert GPIO to their default state
* @param hadc: DAC handle pointer
* @retval None
*/
void HAL_DAC_MspInit(DAC_HandleTypeDef* hdac)
{
GPIO_InitTypeDef GPIO_InitStruct;
static DMA_HandleTypeDef hdma_dac1;
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* DAC Periph clock enable */
__HAL_RCC_DAC_CLK_ENABLE();
/* Enable GPIO clock ****************************************/
DACx_CHANNEL1_GPIO_CLK_ENABLE();
/* DMA1 clock enable */
DMAx_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/* DAC Channel1 GPIO pin configuration */
GPIO_InitStruct.Pin = DACx_CHANNEL1_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(DACx_CHANNEL1_GPIO_PORT, &GPIO_InitStruct);
/*##-3- Configure the DMA streams ##########################################*/
/* Set the parameters to be configured for Channel1*/
hdma_dac1.Instance = DACx_DMA_STREAM1;
hdma_dac1.Init.Channel = DACx_DMA_CHANNEL1;
hdma_dac1.Init.Direction = DMA_MEMORY_TO_PERIPH;
hdma_dac1.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_dac1.Init.MemInc = DMA_MINC_ENABLE;
hdma_dac1.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_dac1.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_dac1.Init.Mode = DMA_CIRCULAR;
hdma_dac1.Init.Priority = DMA_PRIORITY_HIGH;
hdma_dac1.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
hdma_dac1.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_HALFFULL;
hdma_dac1.Init.MemBurst = DMA_MBURST_SINGLE;
hdma_dac1.Init.PeriphBurst = DMA_PBURST_SINGLE;
HAL_DMA_Init(&hdma_dac1);
/* Associate the initialized DMA handle to the the DAC handle */
__HAL_LINKDMA(hdac, DMA_Handle1, hdma_dac1);
/*##-4- Configure the NVIC for DMA #########################################*/
/* Enable the DMA1 Stream5 IRQ Channel */
HAL_NVIC_SetPriority(DACx_DMA_IRQn1, 2, 0);
HAL_NVIC_EnableIRQ(DACx_DMA_IRQn1);
}示例4: HAL_DAC_MspInit
/**
* @brief DAC MSP Initialization
* This function configures the hardware resources used in this example:
* - Peripheral's clock enable
* - Peripheral's GPIO Configuration
* @param hdac: DAC handle pointer
* @retval None
*/
void HAL_DAC_MspInit(DAC_HandleTypeDef *hdac)
{
GPIO_InitTypeDef GPIO_InitStruct;
static DMA_HandleTypeDef hdma_dac1;
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable GPIO clock ****************************************/
DACx_CHANNEL_GPIO_CLK_ENABLE();
/* DAC Periph clock enable */
DACx_CLK_ENABLE();
/* DMA1 clock enable */
DMAx_CLK_ENABLE();
/* SYSCFG clock enable for DMA remapping */
__SYSCFG_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/* DAC Channel1 GPIO pin configuration */
GPIO_InitStruct.Pin = DACx_CHANNEL_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(DACx_CHANNEL_GPIO_PORT, &GPIO_InitStruct);
/*##-3- Configure the DMA ##########################################*/
/* Set the parameters to be configured for DACx_DMA1_CHANNEL3 */
hdma_dac1.Instance = DACx_DMA_INSTANCE;
hdma_dac1.Init.Direction = DMA_MEMORY_TO_PERIPH;
hdma_dac1.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_dac1.Init.MemInc = DMA_MINC_ENABLE;
hdma_dac1.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_dac1.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_dac1.Init.Mode = DMA_CIRCULAR;
hdma_dac1.Init.Priority = DMA_PRIORITY_HIGH;
HAL_DMA_Init(&hdma_dac1);
/* Associate the initialized DMA handle to the the DAC handle */
__HAL_LINKDMA(hdac, DMA_Handle1, hdma_dac1);
/*##-4- Configure the NVIC for DMA #########################################*/
/* Enable the DMA1_Channel3 IRQ Channel */
HAL_NVIC_SetPriority(DACx_DMA_IRQn, 2, 0);
HAL_NVIC_EnableIRQ(DACx_DMA_IRQn);
/*##-5- Configure the SYSCFG for DMA remapping #############################*/
__HAL_REMAPDMA_CHANNEL_ENABLE(HAL_REMAPDMA_TIM6_DAC1_CH1_DMA1_CH3);
}示例5: HAL_UART_MspInit
/**
* @brief UART MSP Initialization
* This function configures the hardware resources used in this example:
* - Peripheral's clock enable
* - Peripheral's GPIO Configuration
* - DMA configuration for transmission request by peripheral
* - NVIC configuration for DMA interrupt request enable
* @param huart: UART handle pointer
* @retval None
*/
void HAL_UART_MspInit(UART_HandleTypeDef *huart)
{
static DMA_HandleTypeDef hdma_tx;
static DMA_HandleTypeDef hdma_rx;
GPIO_InitTypeDef GPIO_InitStruct;
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable GPIO TX/RX clock */
USARTx_TX_GPIO_CLK_ENABLE();
USARTx_RX_GPIO_CLK_ENABLE();
/* Enable USARTx clock */
USARTx_CLK_ENABLE();
/* Enable DMA clock */
DMAx_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/* UART TX GPIO pin configuration */
GPIO_InitStruct.Pin = USARTx_TX_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
GPIO_InitStruct.Alternate = USARTx_TX_AF;
HAL_GPIO_Init(USARTx_TX_GPIO_PORT, &GPIO_InitStruct);
/* UART RX GPIO pin configuration */
GPIO_InitStruct.Pin = USARTx_RX_PIN;
GPIO_InitStruct.Alternate = USARTx_RX_AF;
HAL_GPIO_Init(USARTx_RX_GPIO_PORT, &GPIO_InitStruct);
/*##-3- Configure the DMA ##################################################*/
/* Configure the DMA handler for Transmission process */
hdma_tx.Instance = USARTx_TX_DMA_CHANNEL;
hdma_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
hdma_tx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_tx.Init.MemInc = DMA_MINC_ENABLE;
hdma_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_tx.Init.Mode = DMA_NORMAL;
hdma_tx.Init.Priority = DMA_PRIORITY_LOW;
hdma_tx.Init.Request = USARTx_TX_DMA_REQUEST;
HAL_DMA_Init(&hdma_tx);
/* Associate the initialized DMA handle to the UART handle */
__HAL_LINKDMA(huart, hdmatx, hdma_tx);
/* Configure the DMA handler for reception process */
hdma_rx.Instance = USARTx_RX_DMA_CHANNEL;
hdma_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
hdma_rx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_rx.Init.MemInc = DMA_MINC_ENABLE;
hdma_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_rx.Init.Mode = DMA_NORMAL;
hdma_rx.Init.Priority = DMA_PRIORITY_HIGH;
hdma_rx.Init.Request = USARTx_RX_DMA_REQUEST;
HAL_DMA_Init(&hdma_rx);
/* Associate the initialized DMA handle to the the UART handle */
__HAL_LINKDMA(huart, hdmarx, hdma_rx);
/*##-4- Configure the NVIC for DMA #########################################*/
/* NVIC configuration for DMA transfer complete interrupt (USART2_TX) */
HAL_NVIC_SetPriority(USARTx_DMA_TX_IRQn, 0, 1);
HAL_NVIC_EnableIRQ(USARTx_DMA_TX_IRQn);
/* NVIC configuration for DMA transfer complete interrupt (USART2_RX) */
HAL_NVIC_SetPriority(USARTx_DMA_RX_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(USARTx_DMA_RX_IRQn);
/* NVIC for USART, to catch the TX complete */
HAL_NVIC_SetPriority(USARTx_IRQn, 0, 1);
HAL_NVIC_EnableIRQ(USARTx_IRQn);
}示例6: HAL_SPI_MspInit
/**
* @brief SPI MSP Initialization
* This function configures the hardware resources used in this example:
* - Peripheral's clock enable
* - Peripheral's GPIO Configuration
* - DMA configuration for transmission request by peripheral
* - NVIC configuration for DMA interrupt request enable
* @param hspi: SPI handle pointer
* @retval None
*/
void HAL_SPI_MspInit(SPI_HandleTypeDef *hspi)
{
static DMA_HandleTypeDef hdma_tx;
static DMA_HandleTypeDef hdma_rx;
GPIO_InitTypeDef GPIO_InitStruct;
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable GPIO TX/RX clock */
SPIx_SCK_GPIO_CLK_ENABLE();
SPIx_MISO_GPIO_CLK_ENABLE();
SPIx_MOSI_GPIO_CLK_ENABLE();
/* Enable SPI3 clock */
SPIx_CLK_ENABLE();
/* Enable DMA1 clock */
DMAx_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/* SPI SCK GPIO pin configuration */
GPIO_InitStruct.Pin = SPIx_SCK_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
GPIO_InitStruct.Alternate = SPIx_SCK_AF;
HAL_GPIO_Init(SPIx_SCK_GPIO_PORT, &GPIO_InitStruct);
/* SPI MISO GPIO pin configuration */
GPIO_InitStruct.Pin = SPIx_MISO_PIN;
GPIO_InitStruct.Alternate = SPIx_MISO_AF;
HAL_GPIO_Init(SPIx_MISO_GPIO_PORT, &GPIO_InitStruct);
/* SPI MOSI GPIO pin configuration */
GPIO_InitStruct.Pin = SPIx_MOSI_PIN;
GPIO_InitStruct.Alternate = SPIx_MOSI_AF;
HAL_GPIO_Init(SPIx_MOSI_GPIO_PORT, &GPIO_InitStruct);
/*##-3- Configure the DMA streams ##########################################*/
/* Configure the DMA handler for Transmission process */
hdma_tx.Instance = SPIx_TX_DMA_STREAM;
hdma_tx.Init.Channel = SPIx_TX_DMA_CHANNEL;
hdma_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
hdma_tx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_tx.Init.MemInc = DMA_MINC_ENABLE;
hdma_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_tx.Init.Mode = DMA_NORMAL;
hdma_tx.Init.Priority = DMA_PRIORITY_LOW;
hdma_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
hdma_tx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
hdma_tx.Init.MemBurst = DMA_MBURST_INC4;
hdma_tx.Init.PeriphBurst = DMA_PBURST_INC4;
HAL_DMA_Init(&hdma_tx);
/* Associate the initialized DMA handle to the the SPI handle */
__HAL_LINKDMA(hspi, hdmatx, hdma_tx);
/* Configure the DMA handler for Transmission process */
hdma_rx.Instance = SPIx_RX_DMA_STREAM;
hdma_rx.Init.Channel = SPIx_RX_DMA_CHANNEL;
hdma_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
hdma_rx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_rx.Init.MemInc = DMA_MINC_ENABLE;
hdma_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_rx.Init.Mode = DMA_NORMAL;
hdma_rx.Init.Priority = DMA_PRIORITY_HIGH;
hdma_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
hdma_rx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
hdma_rx.Init.MemBurst = DMA_MBURST_INC4;
hdma_rx.Init.PeriphBurst = DMA_PBURST_INC4;
HAL_DMA_Init(&hdma_rx);
/* Associate the initialized DMA handle to the the SPI handle */
__HAL_LINKDMA(hspi, hdmarx, hdma_rx);
/*##-4- Configure the NVIC for DMA #########################################*/
/* NVIC configuration for DMA transfer complete interrupt (SPI3_TX) */
HAL_NVIC_SetPriority(SPIx_DMA_TX_IRQn, 0, 1);
HAL_NVIC_EnableIRQ(SPIx_DMA_TX_IRQn);
/* NVIC configuration for DMA transfer complete interrupt (SPI3_RX) */
HAL_NVIC_SetPriority(SPIx_DMA_RX_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(SPIx_DMA_RX_IRQn);
//.........這裏部分代碼省略.........
示例7: HAL_UART_MspInit
/**
* @brief UART MSP Initialization
* This function configures the hardware resources used in this example:
* - Peripheral's clock enable
* - Peripheral's GPIO Configuration
* - NVIC configuration for UART interrupt request enable
* @param huart: UART handle pointer
* @retval None
*/
void HAL_UART_MspInit(UART_HandleTypeDef *huart)
{
static DMA_HandleTypeDef hdma_tx;
GPIO_InitTypeDef GPIO_InitStruct;
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable GPIO clock */
USARTx_TX_GPIO_CLK_ENABLE();
USARTx_RX_GPIO_CLK_ENABLE();
/* Remap AFIO if needed */
AFIOCOMx_CLK_ENABLE(0);
AFIOCOMx_REMAP(0);
/* Enable USARTx clock */
USARTx_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/* UART TX GPIO pin configuration */
GPIO_InitStruct.Pin = USARTx_TX_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(USARTx_TX_GPIO_PORT, &GPIO_InitStruct);
/* UART RX GPIO pin configuration */
GPIO_InitStruct.Pin = USARTx_RX_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
HAL_GPIO_Init(USARTx_RX_GPIO_PORT, &GPIO_InitStruct);
/*##-3- Configure the NVIC for UART ########################################*/
HAL_NVIC_SetPriority(USARTx_IRQn, 5, 0);
HAL_NVIC_EnableIRQ(USARTx_IRQn);
/* Enable DMAx clock */
DMAx_CLK_ENABLE();
/*##-4- Configure the DMA streams ##########################################*/
/* Configure the DMA handler for Transmission process */
hdma_tx.Instance = USARTx_TX_DMA_STREAM;
hdma_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
hdma_tx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_tx.Init.MemInc = DMA_MINC_ENABLE;
hdma_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_tx.Init.Mode = DMA_NORMAL;
hdma_tx.Init.Priority = DMA_PRIORITY_LOW;
HAL_DMA_Init(&hdma_tx);
/* Associate the initialized DMA handle to the UART handle */
__HAL_LINKDMA(huart, hdmatx, hdma_tx);
/*##-5- Configure the NVIC for DMA #########################################*/
/* NVIC configuration for DMA transfer complete interrupt (USARTx_TX) */
HAL_NVIC_SetPriority(USARTx_DMA_TX_IRQn, 6, 0);
HAL_NVIC_EnableIRQ(USARTx_DMA_TX_IRQn);
/*##-6- Enable TIM peripherals Clock #######################################*/
TIMx_CLK_ENABLE();
/*##-7- Configure the NVIC for TIMx ########################################*/
/* Set Interrupt Group Priority */
HAL_NVIC_SetPriority(TIMx_IRQn, 6, 0);
/* Enable the TIMx global Interrupt */
HAL_NVIC_EnableIRQ(TIMx_IRQn);
}示例8: HAL_UART_MspInit
/**
* @brief UART MSP Initialization
* This function configures the hardware resources used in this example:
* - Peripheral's clock enable
* - Peripheral's GPIO Configuration
* - DMA configuration for transmission request by peripheral
* - NVIC configuration for DMA interrupt request enable
* @param huart: UART handle pointer
* @retval None
*/
void HAL_UART_MspInit(UART_HandleTypeDef *huart)
{
static DMA_HandleTypeDef hdma_tx;
static DMA_HandleTypeDef hdma_rx;
RCC_PeriphCLKInitTypeDef RCC_PeriphClkInit;
GPIO_InitTypeDef GPIO_InitStruct;
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable GPIO clock */
USARTx_TX_GPIO_CLK_ENABLE();
USARTx_RX_GPIO_CLK_ENABLE();
/* Select SysClk as source of USART1 clocks */
RCC_PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART1;
RCC_PeriphClkInit.Usart1ClockSelection = RCC_USART1CLKSOURCE_SYSCLK;
HAL_RCCEx_PeriphCLKConfig(&RCC_PeriphClkInit);
/* Enable USARTx clock */
USARTx_CLK_ENABLE();
/* Enable DMA clock */
DMAx_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/* UART TX GPIO pin configuration */
GPIO_InitStruct.Pin = USARTx_TX_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
GPIO_InitStruct.Alternate = USARTx_TX_AF;
HAL_GPIO_Init(USARTx_TX_GPIO_PORT, &GPIO_InitStruct);
/* UART RX GPIO pin configuration */
GPIO_InitStruct.Pin = USARTx_RX_PIN;
GPIO_InitStruct.Alternate = USARTx_RX_AF;
HAL_GPIO_Init(USARTx_RX_GPIO_PORT, &GPIO_InitStruct);
/*##-3- Configure the DMA ##################################################*/
/* Configure the DMA handler for Transmission process */
hdma_tx.Instance = USARTx_TX_DMA_STREAM;
hdma_tx.Init.Channel = USARTx_TX_DMA_CHANNEL;
hdma_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
hdma_tx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_tx.Init.MemInc = DMA_MINC_ENABLE;
hdma_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_tx.Init.Mode = DMA_NORMAL;
hdma_tx.Init.Priority = DMA_PRIORITY_LOW;
hdma_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
hdma_tx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
hdma_tx.Init.MemBurst = DMA_MBURST_INC4;
hdma_tx.Init.PeriphBurst = DMA_PBURST_INC4;
HAL_DMA_Init(&hdma_tx);
/* Associate the initialized DMA handle to the UART handle */
__HAL_LINKDMA(huart, hdmatx, hdma_tx);
/* Configure the DMA handler for reception process */
hdma_rx.Instance = USARTx_RX_DMA_STREAM;
hdma_rx.Init.Channel = USARTx_RX_DMA_CHANNEL;
hdma_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
hdma_rx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_rx.Init.MemInc = DMA_MINC_ENABLE;
hdma_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_rx.Init.Mode = DMA_NORMAL;
hdma_rx.Init.Priority = DMA_PRIORITY_HIGH;
hdma_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
hdma_rx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
hdma_rx.Init.MemBurst = DMA_MBURST_INC4;
hdma_rx.Init.PeriphBurst = DMA_PBURST_INC4;
HAL_DMA_Init(&hdma_rx);
/* Associate the initialized DMA handle to the the UART handle */
__HAL_LINKDMA(huart, hdmarx, hdma_rx);
/*##-4- Configure the NVIC for DMA #########################################*/
/* NVIC configuration for DMA transfer complete interrupt (USARTx_TX) */
HAL_NVIC_SetPriority(USARTx_DMA_TX_IRQn, 0, 1);
HAL_NVIC_EnableIRQ(USARTx_DMA_TX_IRQn);
//.........這裏部分代碼省略.........
示例9: USARTConfig
/**
* @brief Configure the USART
* @retval None
*/
void USARTConfig(void)
{
GPIO_InitTypeDef GPIO_InitStruct;
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable GPIO TX/RX clock */
USARTx_TX_GPIO_CLK_ENABLE();
USARTx_RX_GPIO_CLK_ENABLE();
/* Enable USART2 clock */
USARTx_CLK_ENABLE();
/* Enable DMA1 clock */
DMAx_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/* UART TX GPIO pin configuration */
GPIO_InitStruct.Pin = USARTx_TX_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
#if ((defined (USE_STM32F4XX_NUCLEO)) || (defined (USE_STM32L0XX_NUCLEO)))
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
#endif
#if (defined (USE_STM32L1XX_NUCLEO))
GPIO_InitStruct.Speed = GPIO_SPEED_MEDIUM;
#endif
GPIO_InitStruct.Alternate = USARTx_TX_AF;
HAL_GPIO_Init(USARTx_TX_GPIO_PORT, &GPIO_InitStruct);
/* UART RX GPIO pin configuration */
GPIO_InitStruct.Pin = USARTx_RX_PIN;
GPIO_InitStruct.Alternate = USARTx_RX_AF;
HAL_GPIO_Init(USARTx_RX_GPIO_PORT, &GPIO_InitStruct);
/*##-1- Configure the UART peripheral ######################################*/
/* Put the USART peripheral in the Asynchronous mode (UART Mode) */
UartHandle.Instance = USARTx;
UartHandle.Init.BaudRate = Usart_BaudRate;
UartHandle.Init.WordLength = UART_WORDLENGTH_8B;
UartHandle.Init.StopBits = UART_STOPBITS_1;
UartHandle.Init.Parity = UART_PARITY_NONE;
UartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE;
UartHandle.Init.Mode = UART_MODE_TX_RX;
if(HAL_UART_Init(&UartHandle) != HAL_OK)
{
// Error_Handler();
while(1);
}
USART_DMA_Configuration();
UartHandle.pRxBuffPtr = (uint8_t*)UART_RxBuffer;
UartHandle.RxXferSize = UART_RxBufferSize;
UartHandle.ErrorCode = HAL_UART_ERROR_NONE;
/* Enable the DMA transfer for the receiver request by setting the DMAR bit
in the UART CR3 register */
HAL_UART_Receive_DMA(&UartHandle, (uint8_t*)UART_RxBuffer, UART_RxBufferSize);
}示例10: HAL_UART_MspInit
void HAL_UART_MspInit(UART_HandleTypeDef *huart)
{
GPIO_InitTypeDef GPIO_InitStruct;
if( huart == &UartHandle ){
/*##-1- Enable peripherals and GPIO Clocks #################################*/
DMAx_CLK_ENABLE();
/* Enable GPIO TX/RX clock */
USARTx_TX_GPIO_CLK_ENABLE();
USARTx_RX_GPIO_CLK_ENABLE();
/* Enable USART2 clock */
USARTx_CLK_ENABLE();
/* Enable DMA1 clock */
/*##-2- Configure peripheral GPIO ##########################################*/
/* UART TX GPIO pin configuration */
GPIO_InitStruct.Pin = USARTx_TX_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
GPIO_InitStruct.Alternate = USARTx_TX_AF;
HAL_GPIO_Init(USARTx_TX_GPIO_PORT, &GPIO_InitStruct);
/* UART RX GPIO pin configuration */
GPIO_InitStruct.Pin = USARTx_RX_PIN;
GPIO_InitStruct.Alternate = USARTx_RX_AF;
HAL_GPIO_Init(USARTx_RX_GPIO_PORT, &GPIO_InitStruct);
/*##-3- Configure the DMA streams ##########################################*/
/* Configure the DMA handler for Transmission process */
hdma_tx.Instance = USARTx_TX_DMA_STREAM;
hdma_tx.Init.Channel = USARTx_TX_DMA_CHANNEL;
hdma_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
hdma_tx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_tx.Init.MemInc = DMA_MINC_ENABLE;
hdma_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_tx.Init.Mode = DMA_NORMAL;
hdma_tx.Init.Priority = DMA_PRIORITY_LOW;
hdma_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
hdma_tx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
hdma_tx.Init.MemBurst = DMA_MBURST_INC4;
hdma_tx.Init.PeriphBurst = DMA_PBURST_INC4;
HAL_DMA_Init(&hdma_tx);
/* Associate the initialized DMA handle to the the UART handle */
__HAL_LINKDMA(huart, hdmatx, hdma_tx);
/* Configure the DMA handler for Transmission process */
hdma_rx.Instance = USARTx_RX_DMA_STREAM;
hdma_rx.Init.Channel = USARTx_RX_DMA_CHANNEL;
hdma_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
hdma_rx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_rx.Init.MemInc = DMA_MINC_ENABLE;
hdma_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_rx.Init.Mode = DMA_CIRCULAR;
hdma_rx.Init.Priority = DMA_PRIORITY_HIGH;
hdma_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
hdma_rx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
hdma_rx.Init.MemBurst = DMA_MBURST_INC4;
hdma_rx.Init.PeriphBurst = DMA_PBURST_INC4;
HAL_DMA_Init(&hdma_rx);
/* Associate the initialized DMA handle to the the UART handle */
__HAL_LINKDMA(huart, hdmarx, hdma_rx);
/*##-4- Configure the NVIC for DMA #########################################*/
/* NVIC configuration for DMA transfer complete interrupt (USARTx_TX) */
HAL_NVIC_SetPriority(USARTx_DMA_TX_IRQn, 5, 3);
HAL_NVIC_EnableIRQ(USARTx_DMA_TX_IRQn);
/* NVIC configuration for DMA transfer complete interrupt (USARTx_RX) */
//HAL_NVIC_SetPriority(USARTx_DMA_RX_IRQn, 5, 2);
//HAL_NVIC_EnableIRQ(USARTx_DMA_RX_IRQn);
/* NVIC configuration for USART TC interrupt */
HAL_NVIC_SetPriority(USARTx_IRQn, 6, 1);
HAL_NVIC_EnableIRQ(USARTx_IRQn);
}
}示例11: HAL_SPI_MspInit
/**
* @brief SPI MSP Initialization
* This function configures the hardware resources used in this example:
* - Peripheral's clock enable
* - Peripheral's GPIO Configuration
* - DMA configuration for transmission request by peripheral
* - NVIC configuration for DMA interrupt request enable
* @param hspi: SPI handle pointer
* @retval None
*/
void HAL_SPI_MspInit(SPI_HandleTypeDef *hspi)
{
GPIO_InitTypeDef GPIO_InitStruct;
if (hspi->Instance == SPIx)
{
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable GPIO TX/RX clock */
SPIx_SCK_GPIO_CLK_ENABLE();
SPIx_MISO_GPIO_CLK_ENABLE();
SPIx_MOSI_GPIO_CLK_ENABLE();
/* Enable SPI2 clock */
SPIx_CLK_ENABLE();
/* Enable DMA clock */
DMAx_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/* SPI SCK GPIO pin configuration */
GPIO_InitStruct.Pin = SPIx_SCK_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_PULLDOWN;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(SPIx_SCK_GPIO_PORT, &GPIO_InitStruct);
/* SPI MISO GPIO pin configuration */
GPIO_InitStruct.Pin = SPIx_MISO_PIN;
HAL_GPIO_Init(SPIx_MISO_GPIO_PORT, &GPIO_InitStruct);
/* SPI MOSI GPIO pin configuration */
GPIO_InitStruct.Pin = SPIx_MOSI_PIN;
HAL_GPIO_Init(SPIx_MOSI_GPIO_PORT, &GPIO_InitStruct);
/*##-3- Configure the DMA ##################################################*/
/* Configure the DMA handler for Transmission process */
hdma_tx.Instance = SPIx_TX_DMA_CHANNEL;
hdma_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
hdma_tx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_tx.Init.MemInc = DMA_MINC_ENABLE;
hdma_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_tx.Init.Mode = DMA_NORMAL;
hdma_tx.Init.Priority = DMA_PRIORITY_LOW;
HAL_DMA_Init(&hdma_tx);
/* Associate the initialized DMA handle to the the SPI handle */
__HAL_LINKDMA(hspi, hdmatx, hdma_tx);
/* Configure the DMA handler for Transmission process */
hdma_rx.Instance = SPIx_RX_DMA_CHANNEL;
hdma_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
hdma_rx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_rx.Init.MemInc = DMA_MINC_ENABLE;
hdma_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_rx.Init.Mode = DMA_NORMAL;
hdma_rx.Init.Priority = DMA_PRIORITY_HIGH;
HAL_DMA_Init(&hdma_rx);
/* Associate the initialized DMA handle to the the SPI handle */
__HAL_LINKDMA(hspi, hdmarx, hdma_rx);
/*##-4- Configure the NVIC for DMA #########################################*/
/* NVIC configuration for DMA transfer complete interrupt (SPI2_TX) */
HAL_NVIC_SetPriority(SPIx_DMA_TX_IRQn, 1, 1);
HAL_NVIC_EnableIRQ(SPIx_DMA_TX_IRQn);
/* NVIC configuration for DMA transfer complete interrupt (SPI2_RX) */
HAL_NVIC_SetPriority(SPIx_DMA_RX_IRQn, 1, 0);
HAL_NVIC_EnableIRQ(SPIx_DMA_RX_IRQn);
}
}示例12: HAL_I2C_MspInit
/**
* @brief I2C MSP Initialization
* This function configures the hardware resources used in this example:
* - Peripheral's clock enable
* - Peripheral's GPIO Configuration
* - DMA configuration for transmission request by peripheral
* - NVIC configuration for DMA interrupt request enable
* @param hi2c: I2C handle pointer
* @retval None
*/
void HAL_I2C_MspInit(I2C_HandleTypeDef *hi2c)
{
static DMA_HandleTypeDef hdma_tx;
static DMA_HandleTypeDef hdma_rx;
GPIO_InitTypeDef GPIO_InitStruct;
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable GPIO TX/RX clock */
I2Cx_SCL_GPIO_CLK_ENABLE();
I2Cx_SDA_GPIO_CLK_ENABLE();
/* Enable I2C1 clock */
I2Cx_CLK_ENABLE();
/* Enable DMA2 clock */
DMAx_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/* I2C TX GPIO pin configuration */
GPIO_InitStruct.Pin = I2Cx_SCL_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
GPIO_InitStruct.Alternate = I2Cx_SCL_AF;
HAL_GPIO_Init(I2Cx_SCL_GPIO_PORT, &GPIO_InitStruct);
/* I2C RX GPIO pin configuration */
GPIO_InitStruct.Pin = I2Cx_SDA_PIN;
GPIO_InitStruct.Alternate = I2Cx_SDA_AF;
HAL_GPIO_Init(I2Cx_SDA_GPIO_PORT, &GPIO_InitStruct);
/*##-3- Configure the DMA ##################################################*/
/* Configure the DMA handler for Transmission process */
hdma_tx.Instance = I2Cx_TX_DMA_INSTANCE;
hdma_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
hdma_tx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_tx.Init.MemInc = DMA_MINC_ENABLE;
hdma_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_tx.Init.Mode = DMA_NORMAL;
hdma_tx.Init.Priority = DMA_PRIORITY_LOW;
HAL_DMA_Init(&hdma_tx);
/* Associate the initialized DMA handle to the the I2C handle */
__HAL_LINKDMA(hi2c, hdmatx, hdma_tx);
/* Configure the DMA handler for Transmission process */
hdma_rx.Instance = I2Cx_RX_DMA_INSTANCE;
hdma_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
hdma_rx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_rx.Init.MemInc = DMA_MINC_ENABLE;
hdma_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_rx.Init.Mode = DMA_NORMAL;
hdma_rx.Init.Priority = DMA_PRIORITY_HIGH;
HAL_DMA_Init(&hdma_rx);
/* Associate the initialized DMA handle to the the I2C handle */
__HAL_LINKDMA(hi2c, hdmarx, hdma_rx);
/*##-4- Configure the NVIC for DMA #########################################*/
/* NVIC configuration for DMA transfer complete interrupt (I2C1_TX) */
HAL_NVIC_SetPriority(I2Cx_DMA_TX_IRQn, 0, 1);
HAL_NVIC_EnableIRQ(I2Cx_DMA_TX_IRQn);
/* NVIC configuration for DMA transfer complete interrupt (I2C1_RX) */
HAL_NVIC_SetPriority(I2Cx_DMA_RX_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(I2Cx_DMA_RX_IRQn);
}