这篇教程C++ DMAx_CLK_ENABLE函数代码示例写得很实用，希望能帮到您。
本文整理汇总了C++中DMAx_CLK_ENABLE函数的典型用法代码示例。如果您正苦于以下问题：C++ DMAx_CLK_ENABLE函数的具体用法？C++ DMAx_CLK_ENABLE怎么用？C++ DMAx_CLK_ENABLE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DMAx_CLK_ENABLE函数的12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，您的评价将有助于我们的系统推荐出更棒的C++代码示例。 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);}
开发者ID:Ribster，项目名称:Labview，代码行数:65，
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);}
开发者ID:vlsi1217，项目名称:STM32F7Cube，代码行数:62，
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);}
开发者ID:PaxInstruments，项目名称:STM32CubeF4，代码行数:55，
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);}
开发者ID:eleciawhite，项目名称:STM32Cube，代码行数:55，
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);}
开发者ID:pengphei，项目名称:STM32Cube_L0，代码行数:91，
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);//.........这里部分代码省略.........
开发者ID:PaxInstruments，项目名称:STM32CubeF4，代码行数:101，
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);}
开发者ID:Lembed，项目名称:STM32CubeF1-mirrors，代码行数:77，
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);//.........这里部分代码省略.........
开发者ID:vlsi1217，项目名称:STM32F7Cube，代码行数:101，
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);}
开发者ID:heidiao，项目名称:stm32_nucleo，代码行数:66，
示例10: HAL_UART_MspInitvoid 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); }}
开发者ID:ydwzj，项目名称:STM32F4，代码行数:86，
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); }}
开发者ID:dazuo78，项目名称:TBall，代码行数:84，
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);}
开发者ID:jmoyerman，项目名称:stm32f0_cube，代码行数:84，
注：本文中的DMAx_CLK_ENABLE函数示例整理自Github/MSDocs等源码及文档管理平台，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。
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