本文整理汇总了C++中HAL_NVIC_SetPriority函数的典型用法代码示例。如果您正苦于以下问题:C++ HAL_NVIC_SetPriority函数的具体用法?C++ HAL_NVIC_SetPriority怎么用?C++ HAL_NVIC_SetPriority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HAL_NVIC_SetPriority函数的20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_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,代码来源:stm32f1xx_hal_msp.c
示例2: pendsv_init
void pendsv_init(void) {
// set PendSV interrupt at lowest priority
HAL_NVIC_SetPriority(PendSV_IRQn, 0xf, 0xf);
}
开发者ID:CarterTsai,项目名称:micropython,代码行数:4,代码来源:pendsv.c
示例3: 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:451506709,项目名称:automated_machine,代码行数:101,代码来源:stm32f4xx_hal_msp.c
示例4: I2Sx_MspInit
/**
* @brief Initializes I2C MSP.
* @param None
* @retval None
*/
static void I2Sx_MspInit(void)
{
static DMA_HandleTypeDef hdma_i2sTx;
GPIO_InitTypeDef GPIO_InitStruct;
I2S_HandleTypeDef *hi2s = &haudio_i2s;
/* Enable I2S clock */
AUDIO_I2Sx_CLK_ENABLE();
/* Enable SCK, SD and WS GPIO clock */
AUDIO_I2Sx_SCK_SD_WS_CLK_ENABLE();
/* CODEC_I2S pins configuration: WS, SCK and SD pins */
GPIO_InitStruct.Pin = AUDIO_I2Sx_SCK_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
GPIO_InitStruct.Alternate = AUDIO_I2Sx_SCK_SD_WS_AF;
HAL_GPIO_Init(AUDIO_I2Sx_SCK_SD_WS_GPIO_PORT, &GPIO_InitStruct);
GPIO_InitStruct.Pin = AUDIO_I2Sx_SD_PIN;
HAL_GPIO_Init(AUDIO_I2Sx_SCK_SD_WS_GPIO_PORT, &GPIO_InitStruct);
GPIO_InitStruct.Pin = AUDIO_I2Sx_WS_PIN;
HAL_GPIO_Init(AUDIO_I2Sx_SCK_SD_WS_GPIO_PORT, &GPIO_InitStruct);
/* Enable MCK GPIO clock */
AUDIO_I2Sx_MCK_CLK_ENABLE();
/* CODEC_I2S pins configuration: MCK pin */
GPIO_InitStruct.Pin = AUDIO_I2Sx_MCK_PIN;
HAL_GPIO_Init(AUDIO_I2Sx_MCK_GPIO_PORT, &GPIO_InitStruct);
/* Enable the DMA clock */
AUDIO_I2Sx_DMAx_CLK_ENABLE();
if(hi2s->Instance == AUDIO_I2Sx)
{
/* Configure the hdma_i2sTx handle parameters */
hdma_i2sTx.Init.Channel = AUDIO_I2Sx_DMAx_CHANNEL;
hdma_i2sTx.Init.Direction = DMA_MEMORY_TO_PERIPH;
hdma_i2sTx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_i2sTx.Init.MemInc = DMA_MINC_ENABLE;
hdma_i2sTx.Init.PeriphDataAlignment = AUDIO_I2Sx_DMAx_PERIPH_DATA_SIZE;
hdma_i2sTx.Init.MemDataAlignment = AUDIO_I2Sx_DMAx_MEM_DATA_SIZE;
hdma_i2sTx.Init.Mode = DMA_NORMAL;
hdma_i2sTx.Init.Priority = DMA_PRIORITY_HIGH;
hdma_i2sTx.Init.FIFOMode = DMA_FIFOMODE_ENABLE;
hdma_i2sTx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
hdma_i2sTx.Init.MemBurst = DMA_MBURST_SINGLE;
hdma_i2sTx.Init.PeriphBurst = DMA_PBURST_SINGLE;
hdma_i2sTx.Instance = AUDIO_I2Sx_DMAx_STREAM;
/* Associate the DMA handle */
__HAL_LINKDMA(hi2s, hdmatx, hdma_i2sTx);
/* Deinitialize the Stream for new transfer */
HAL_DMA_DeInit(&hdma_i2sTx);
/* Configure the DMA Stream */
HAL_DMA_Init(&hdma_i2sTx);
}
/* I2S DMA IRQ Channel configuration */
HAL_NVIC_SetPriority(AUDIO_I2Sx_DMAx_IRQ, AUDIO_IRQ_PREPRIO, 0);
HAL_NVIC_EnableIRQ(AUDIO_I2Sx_DMAx_IRQ);
}
开发者ID:erdincay,项目名称:stm32f401-nucleo-basic-template,代码行数:73,代码来源:stm324xg_eval_audio.c
示例5: HAL_PCD_MspInit
/**
* @brief Initializes the PCD MSP.
* @param hpcd: PCD handle
* @retval None
*/
void HAL_PCD_MspInit(PCD_HandleTypeDef *hpcd)
{
GPIO_InitTypeDef GPIO_InitStruct;
if( hpcd->Instance == USB_OTG_FS )
{
/* Configure USB FS GPIOs */
__HAL_RCC_GPIOA_CLK_ENABLE();
/* Configure DM DP Pins */
GPIO_InitStruct.Pin = (GPIO_PIN_11 | GPIO_PIN_12);
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF10_OTG_FS;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* Configure VBUS Pin */
/*
GPIO_InitStruct.Pin = GPIO_PIN_9;
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
*/
/* Configure ID pin */
/*
GPIO_InitStruct.Pin = GPIO_PIN_10;
GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Alternate = GPIO_AF10_OTG_FS;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
*/
__HAL_RCC_USB_OTG_FS_CLK_ENABLE();
//HAL_NVIC_SetPriority(OTG_FS_IRQn, 6, 0);
HAL_NVIC_SetPriority( OTG_FS_IRQn, BSP_NVIC_PRIO_USB_FS, 0 );
HAL_NVIC_EnableIRQ( OTG_FS_IRQn );
}
else if( hpcd->Instance == USB_OTG_HS )
{
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
__HAL_RCC_GPIOC_CLK_ENABLE();
/* CLK */
GPIO_InitStruct.Pin = GPIO_PIN_5;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* D0 */
GPIO_InitStruct.Pin = GPIO_PIN_3;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* D1 D2 D3 D4 D5 D6 D7 */
GPIO_InitStruct.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_5 |\
GPIO_PIN_10 | GPIO_PIN_2 | GPIO_PIN_12 | GPIO_PIN_13;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/* STP */
GPIO_InitStruct.Pin = GPIO_PIN_0;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS;
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
/* NXT */
GPIO_InitStruct.Pin = GPIO_PIN_3;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS;
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
/* DIR */
GPIO_InitStruct.Pin = GPIO_PIN_2;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS;
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
__HAL_RCC_USB_OTG_HS_ULPI_CLK_ENABLE();
__HAL_RCC_USB_OTG_HS_CLK_ENABLE();
HAL_NVIC_SetPriority(OTG_HS_IRQn, 6, 0);
HAL_NVIC_EnableIRQ(OTG_HS_IRQn);
//.........这里部分代码省略.........
开发者ID:itahoe,项目名称:gnss_dock,代码行数:101,代码来源:usbd_conf.c
示例6: HAL_HCD_MspInit
/**
* @brief Initializes the HCD MSP.
* @param hhcd: HCD handle
* @retval None
*/
void HAL_HCD_MspInit(HCD_HandleTypeDef *hhcd)
{
GPIO_InitTypeDef GPIO_InitStruct;
if(hhcd->Instance == USB_OTG_FS)
{
/* Configure USB FS GPIOs */
__GPIOA_CLK_ENABLE();
__GPIOH_CLK_ENABLE();
GPIO_InitStruct.Pin = (GPIO_PIN_11 | GPIO_PIN_12);
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF10_OTG_FS;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_10;
GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Alternate = GPIO_AF10_OTG_FS;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_5;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOH, &GPIO_InitStruct);
/* Enable USB FS Clocks */
__USB_OTG_FS_CLK_ENABLE();
/* Set USBFS Interrupt to the lowest priority */
HAL_NVIC_SetPriority(OTG_FS_IRQn, 5, 0);
/* Enable USBFS Interrupt */
HAL_NVIC_EnableIRQ(OTG_FS_IRQn);
}
else if(hhcd->Instance == USB_OTG_HS)
{
/* Configure USB HS GPIOs */
__GPIOA_CLK_ENABLE();
__GPIOB_CLK_ENABLE();
__GPIOC_CLK_ENABLE();
__GPIOH_CLK_ENABLE();
__GPIOI_CLK_ENABLE();
/* CLK */
GPIO_InitStruct.Pin = GPIO_PIN_5;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* D0 */
GPIO_InitStruct.Pin = GPIO_PIN_3;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* D1 D2 D3 D4 D5 D6 D7 */
GPIO_InitStruct.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_5 |\
GPIO_PIN_10 | GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_13;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/* STP */
GPIO_InitStruct.Pin = GPIO_PIN_0;
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
/* NXT */
GPIO_InitStruct.Pin = GPIO_PIN_4;
HAL_GPIO_Init(GPIOH, &GPIO_InitStruct);
/* DIR */
GPIO_InitStruct.Pin = GPIO_PIN_11;
HAL_GPIO_Init(GPIOI, &GPIO_InitStruct);
/* Enable USB HS Clocks */
__USB_OTG_HS_CLK_ENABLE();
__USB_OTG_HS_ULPI_CLK_ENABLE();
/* Set USBHS Interrupt to the lowest priority */
HAL_NVIC_SetPriority(OTG_HS_IRQn, 5, 0);
/* Enable USBHS Interrupt */
HAL_NVIC_EnableIRQ(OTG_HS_IRQn);
}
}
开发者ID:EarnestHein89,项目名称:STM32Cube_FW_F4,代码行数:92,代码来源:usbh_conf.c
示例7: SDRAM_MspInit
/**
* @brief Initializes SDRAM MSP.
* @param hsdram: SDRAM handle
* @param Params
* @retval None
*/
static void SDRAM_MspInit(SDRAM_HandleTypeDef *hsdram, void *Params)
{
static DMA_HandleTypeDef dma_handle;
GPIO_InitTypeDef gpio_init_structure;
/* Enable FMC clock */
__HAL_RCC_FMC_CLK_ENABLE();
/* Enable chosen DMAx clock */
SDRAM_DMA_CLK_ENABLE();
/* Enable GPIOs clock */
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOD_CLK_ENABLE();
__HAL_RCC_GPIOE_CLK_ENABLE();
__HAL_RCC_GPIOF_CLK_ENABLE();
__HAL_RCC_GPIOG_CLK_ENABLE();
__HAL_RCC_GPIOH_CLK_ENABLE();
/* Common GPIO configuration */
gpio_init_structure.Mode = GPIO_MODE_AF_PP;
gpio_init_structure.Pull = GPIO_PULLUP;
gpio_init_structure.Speed = GPIO_SPEED_FAST;
gpio_init_structure.Alternate = GPIO_AF12_FMC;
/* GPIOC configuration */
gpio_init_structure.Pin = GPIO_PIN_3;
HAL_GPIO_Init(GPIOC, &gpio_init_structure);
/* GPIOD configuration */
gpio_init_structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_3 | GPIO_PIN_8 | GPIO_PIN_9 |
GPIO_PIN_10 | GPIO_PIN_14 | GPIO_PIN_15;
HAL_GPIO_Init(GPIOD, &gpio_init_structure);
/* GPIOE configuration */
gpio_init_structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_7| GPIO_PIN_8 | GPIO_PIN_9 |\
GPIO_PIN_10 | GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_13 | GPIO_PIN_14 |\
GPIO_PIN_15;
HAL_GPIO_Init(GPIOE, &gpio_init_structure);
/* GPIOF configuration */
gpio_init_structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2| GPIO_PIN_3 | GPIO_PIN_4 |\
GPIO_PIN_5 | GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_13 | GPIO_PIN_14 |\
GPIO_PIN_15;
HAL_GPIO_Init(GPIOF, &gpio_init_structure);
/* GPIOG configuration */
gpio_init_structure.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_4| GPIO_PIN_5 | GPIO_PIN_8 |\
GPIO_PIN_15;
HAL_GPIO_Init(GPIOG, &gpio_init_structure);
/* GPIOH configuration */
gpio_init_structure.Pin = GPIO_PIN_3 | GPIO_PIN_5;
HAL_GPIO_Init(GPIOH, &gpio_init_structure);
/* Configure common DMA parameters */
dma_handle.Init.Channel = SDRAM_DMA_CHANNEL;
dma_handle.Init.Direction = DMA_MEMORY_TO_MEMORY;
dma_handle.Init.PeriphInc = DMA_PINC_ENABLE;
dma_handle.Init.MemInc = DMA_MINC_ENABLE;
dma_handle.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
dma_handle.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
dma_handle.Init.Mode = DMA_NORMAL;
dma_handle.Init.Priority = DMA_PRIORITY_HIGH;
dma_handle.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
dma_handle.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
dma_handle.Init.MemBurst = DMA_MBURST_SINGLE;
dma_handle.Init.PeriphBurst = DMA_PBURST_SINGLE;
dma_handle.Instance = SDRAM_DMA_STREAM;
/* Associate the DMA handle */
__HAL_LINKDMA(hsdram, hdma, dma_handle);
/* Deinitialize the stream for new transfer */
HAL_DMA_DeInit(&dma_handle);
/* Configure the DMA stream */
HAL_DMA_Init(&dma_handle);
/* NVIC configuration for DMA transfer complete interrupt */
HAL_NVIC_SetPriority(SDRAM_DMA_IRQn, 5, 0);
HAL_NVIC_EnableIRQ(SDRAM_DMA_IRQn);
}
开发者ID:ririyeye,项目名称:rt-thread,代码行数:90,代码来源:drv_sdram.c
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;
GPIO_InitTypeDef GPIO_InitStruct;
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable GPIO 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;
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, 4, 0);
HAL_NVIC_EnableIRQ(USARTx_IRQn);
/*##-4- Configure the DMA channels ##########################################*/
/* 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, 5, 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, 5, 0);
/* Enable the TIMx global Interrupt */
HAL_NVIC_EnableIRQ(TIMx_IRQn);
}
开发者ID:dazuo78,项目名称:TBall,代码行数:75,代码来源:stm32f1xx_hal_msp.c
示例9: MX_DMA_Init
/**
* Enable DMA controller clock
*/
void MX_DMA_Init(void)
{
/* DMA controller clock enable */
__DMA1_CLK_ENABLE();
__DMA2_CLK_ENABLE();
/* DMA interrupt init */
/* Sets the priority grouping field */
HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);
HAL_NVIC_SetPriority(DMA2_Stream2_IRQn, 8, 0);
HAL_NVIC_EnableIRQ(DMA2_Stream2_IRQn);
/* Sets the priority grouping field */
HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);
HAL_NVIC_SetPriority(DMA2_Stream3_IRQn, 8, 0);
HAL_NVIC_EnableIRQ(DMA2_Stream3_IRQn);
/* Sets the priority grouping field */
HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);
HAL_NVIC_SetPriority(DMA1_Stream0_IRQn, 8, 0);
HAL_NVIC_EnableIRQ(DMA1_Stream0_IRQn);
/* Sets the priority grouping field */
HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);
HAL_NVIC_SetPriority(DMA2_Stream0_IRQn, 8, 0);
HAL_NVIC_EnableIRQ(DMA2_Stream0_IRQn);
/* Sets the priority grouping field */
HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);
HAL_NVIC_SetPriority(DMA2_Stream6_IRQn, 8, 0);
HAL_NVIC_EnableIRQ(DMA2_Stream6_IRQn);
/* Sets the priority grouping field */
HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);
HAL_NVIC_SetPriority(DMA2_Stream1_IRQn, 7, 0);
HAL_NVIC_EnableIRQ(DMA2_Stream1_IRQn);
/* Sets the priority grouping field */
HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);
HAL_NVIC_SetPriority(DMA1_Stream3_IRQn, 8, 0);
HAL_NVIC_EnableIRQ(DMA1_Stream3_IRQn);
/* Sets the priority grouping field */
HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);
HAL_NVIC_SetPriority(DMA2_Stream4_IRQn, 7, 0);
HAL_NVIC_EnableIRQ(DMA2_Stream4_IRQn);
/* Sets the priority grouping field */
HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);
HAL_NVIC_SetPriority(DMA1_Stream4_IRQn, 2, 0);
HAL_NVIC_EnableIRQ(DMA1_Stream4_IRQn);
/* Sets the priority grouping field */
HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);
HAL_NVIC_SetPriority(DMA1_Stream1_IRQn, 2, 0);
HAL_NVIC_EnableIRQ(DMA1_Stream1_IRQn);
/* Sets the priority grouping field */
HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);
HAL_NVIC_SetPriority(DMA1_Stream7_IRQn, 7, 0);
HAL_NVIC_EnableIRQ(DMA1_Stream7_IRQn);
/* Sets the priority grouping field */
HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);
HAL_NVIC_SetPriority(DMA2_Stream5_IRQn, 7, 0);
HAL_NVIC_EnableIRQ(DMA2_Stream5_IRQn);
}
开发者ID:zarthcode,项目名称:BoneMarrow,代码行数:60,代码来源:dma.c
示例10: stm32_spi_init
//.........这里部分代码省略.........
#if defined(SOC_SERIES_STM32F0) || defined(SOC_SERIES_STM32G0)
SPI_APB_CLOCK = HAL_RCC_GetPCLK1Freq();
#else
SPI_APB_CLOCK = HAL_RCC_GetPCLK2Freq();
#endif
if (cfg->max_hz >= SPI_APB_CLOCK / 2)
{
spi_handle->Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
}
else if (cfg->max_hz >= SPI_APB_CLOCK / 4)
{
spi_handle->Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_4;
}
else if (cfg->max_hz >= SPI_APB_CLOCK / 8)
{
spi_handle->Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_8;
}
else if (cfg->max_hz >= SPI_APB_CLOCK / 16)
{
spi_handle->Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_16;
}
else if (cfg->max_hz >= SPI_APB_CLOCK / 32)
{
spi_handle->Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_32;
}
else if (cfg->max_hz >= SPI_APB_CLOCK / 64)
{
spi_handle->Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_64;
}
else if (cfg->max_hz >= SPI_APB_CLOCK / 128)
{
spi_handle->Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_128;
}
else
{
/* min prescaler 256 */
spi_handle->Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_256;
}
LOG_D("sys freq: %d, pclk2 freq: %d, SPI limiting freq: %d, BaudRatePrescaler: %d",
HAL_RCC_GetSysClockFreq(),
SPI_APB_CLOCK,
cfg->max_hz,
spi_handle->Init.BaudRatePrescaler);
if (cfg->mode & RT_SPI_MSB)
{
spi_handle->Init.FirstBit = SPI_FIRSTBIT_MSB;
}
else
{
spi_handle->Init.FirstBit = SPI_FIRSTBIT_LSB;
}
spi_handle->Init.TIMode = SPI_TIMODE_DISABLE;
spi_handle->Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
spi_handle->State = HAL_SPI_STATE_RESET;
#if defined(SOC_SERIES_STM32L4) || defined(SOC_SERIES_STM32G0)
spi_handle->Init.NSSPMode = SPI_NSS_PULSE_DISABLE;
#endif
if (HAL_SPI_Init(spi_handle) != HAL_OK)
{
return RT_EIO;
}
#if defined(SOC_SERIES_STM32L4) || defined(SOC_SERIES_STM32F0) \
|| defined(SOC_SERIES_STM32F7) || defined(SOC_SERIES_STM32G0)
SET_BIT(spi_handle->Instance->CR2, SPI_RXFIFO_THRESHOLD_HF);
#endif
/* DMA configuration */
if (spi_drv->spi_dma_flag & SPI_USING_RX_DMA_FLAG)
{
HAL_DMA_Init(&spi_drv->dma.handle_rx);
__HAL_LINKDMA(&spi_drv->handle, hdmarx, spi_drv->dma.handle_rx);
/* NVIC configuration for DMA transfer complete interrupt */
HAL_NVIC_SetPriority(spi_drv->config->dma_rx->dma_irq, 0, 0);
HAL_NVIC_EnableIRQ(spi_drv->config->dma_rx->dma_irq);
}
if (spi_drv->spi_dma_flag & SPI_USING_TX_DMA_FLAG)
{
HAL_DMA_Init(&spi_drv->dma.handle_tx);
__HAL_LINKDMA(&spi_drv->handle, hdmatx, spi_drv->dma.handle_tx);
/* NVIC configuration for DMA transfer complete interrupt */
HAL_NVIC_SetPriority(spi_drv->config->dma_tx->dma_irq, 0, 1);
HAL_NVIC_EnableIRQ(spi_drv->config->dma_tx->dma_irq);
}
__HAL_SPI_ENABLE(spi_handle);
LOG_D("%s init done", spi_drv->config->bus_name);
return RT_EOK;
}
开发者ID:heyuanjie87,项目名称:rt-thread,代码行数:101,代码来源:drv_spi.c
示例11: I2S2_MspInit
/**
* @brief AUDIO IN I2S MSP Init.
* @param None
* @retval None
*/
static void I2S2_MspInit(void)
{
static DMA_HandleTypeDef hdma_i2sRx;
GPIO_InitTypeDef GPIO_InitStruct;
I2S_HandleTypeDef *hi2s = &hAudioInI2s;
/* Enable the I2S2 peripheral clock */
I2S2_CLK_ENABLE();
/* Enable I2S GPIO clocks */
I2S2_SCK_GPIO_CLK_ENABLE();
I2S2_MOSI_GPIO_CLK_ENABLE();
/* I2S2 pins configuration: SCK and MOSI pins ------------------------------*/
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
GPIO_InitStruct.Pin = I2S2_SCK_PIN;
GPIO_InitStruct.Alternate = I2S2_SCK_AF;
HAL_GPIO_Init(I2S2_SCK_GPIO_PORT, &GPIO_InitStruct);
GPIO_InitStruct.Pin = I2S2_MOSI_PIN ;
GPIO_InitStruct.Alternate = I2S2_MOSI_AF;
HAL_GPIO_Init(I2S2_MOSI_GPIO_PORT, &GPIO_InitStruct);
/* Enable the DMA clock */
I2S2_DMAx_CLK_ENABLE();
if(hi2s->Instance == I2S2)
{
/* Configure the hdma_i2sRx handle parameters */
hdma_i2sRx.Init.Channel = I2S2_DMAx_CHANNEL;
hdma_i2sRx.Init.Direction = DMA_PERIPH_TO_MEMORY;
hdma_i2sRx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_i2sRx.Init.MemInc = DMA_MINC_ENABLE;
hdma_i2sRx.Init.PeriphDataAlignment = I2S2_DMAx_PERIPH_DATA_SIZE;
hdma_i2sRx.Init.MemDataAlignment = I2S2_DMAx_MEM_DATA_SIZE;
hdma_i2sRx.Init.Mode = DMA_CIRCULAR;
hdma_i2sRx.Init.Priority = DMA_PRIORITY_HIGH;
hdma_i2sRx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
hdma_i2sRx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
hdma_i2sRx.Init.MemBurst = DMA_MBURST_SINGLE;
hdma_i2sRx.Init.PeriphBurst = DMA_MBURST_SINGLE;
hdma_i2sRx.Instance = I2S2_DMAx_STREAM;
/* Associate the DMA handle */
__HAL_LINKDMA(hi2s, hdmarx, hdma_i2sRx);
/* Deinitialize the Stream for new transfer */
HAL_DMA_DeInit(&hdma_i2sRx);
/* Configure the DMA Stream */
HAL_DMA_Init(&hdma_i2sRx);
}
/* I2S DMA IRQ Channel configuration */
HAL_NVIC_SetPriority(I2S2_DMAx_IRQ, AUDIO_IN_IRQ_PREPRIO, 0);
HAL_NVIC_EnableIRQ(I2S2_DMAx_IRQ);
}
开发者ID:451506709,项目名称:automated_machine,代码行数:66,代码来源:stm32f401_discovery_audio.c
示例12: HAL_ADC_MspInit
/**
* @brief ADC MSP initialization
* This function configures the hardware resources used in this example:
* - Enable clock of ADC peripheral
* - Configure the GPIO associated to the peripheral channels
* - Configure the DMA associated to the peripheral
* - Configure the NVIC associated to the peripheral interruptions
* @param hadc: ADC handle pointer
* @retval None
*/
void HAL_ADC_MspInit(ADC_HandleTypeDef *hadc)
{
GPIO_InitTypeDef GPIO_InitStruct;
static DMA_HandleTypeDef DmaHandle;
RCC_PeriphCLKInitTypeDef PeriphClkInit;
/*##-1- Enable peripherals and GPIO Clocks #################################*/
/* Enable clock of GPIO associated to the peripheral channels */
ADCx_CHANNELa_GPIO_CLK_ENABLE();
/* Enable clock of ADCx peripheral */
ADCx_CLK_ENABLE();
/* Note: In case of usage of asynchronous clock derived from ADC dedicated */
/* PLL 72MHz, with ADC setting */
/* "AdcHandle.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV1", */
/* the clock source has to be enabled at RCC top level using macro */
/* "__HAL_RCC_ADC12_CONFIG(RCC_ADC12PLLCLK_DIV1)" or function */
/* "HAL_RCCEx_PeriphCLKConfig()" (refer to comments in file */
/* "stm32f3_hal_adc.c_ex" header). */
/* Enable asynchronous clock source of ADCx */
PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC12;
PeriphClkInit.Adc12ClockSelection = RCC_ADC12PLLCLK_DIV1;
HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit);
/* Enable clock of DMA associated to the peripheral */
ADCx_DMA_CLK_ENABLE();
/*##-2- Configure peripheral GPIO ##########################################*/
/* Configure GPIO pin of the selected ADC channel */
GPIO_InitStruct.Pin = ADCx_CHANNELa_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(ADCx_CHANNELa_GPIO_PORT, &GPIO_InitStruct);
/*##-3- Configure the DMA ##################################################*/
/* Configure DMA parameters */
DmaHandle.Instance = ADCx_DMA;
DmaHandle.Init.Direction = DMA_PERIPH_TO_MEMORY;
DmaHandle.Init.PeriphInc = DMA_PINC_DISABLE;
DmaHandle.Init.MemInc = DMA_MINC_ENABLE;
DmaHandle.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD; /* Transfer from ADC by half-word to match with ADC configuration: ADC resolution 10 or 12 bits */
DmaHandle.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD; /* Transfer to memory by half-word to match with buffer variable type: half-word */
DmaHandle.Init.Mode = DMA_CIRCULAR; /* DMA in circular mode to match with ADC configuration: DMA continuous requests */
DmaHandle.Init.Priority = DMA_PRIORITY_HIGH;
/* Deinitialize & Initialize the DMA for new transfer */
HAL_DMA_DeInit(&DmaHandle);
HAL_DMA_Init(&DmaHandle);
/* Associate the initialized DMA handle to the ADC handle */
__HAL_LINKDMA(hadc, DMA_Handle, DmaHandle);
/*##-4- Configure the NVIC #################################################*/
/* NVIC configuration for DMA interrupt (transfer completion or error) */
/* Priority: high-priority */
HAL_NVIC_SetPriority(ADCx_DMA_IRQn, 1, 0);
HAL_NVIC_EnableIRQ(ADCx_DMA_IRQn);
/* NVIC configuration for ADC interrupt */
/* Priority: high-priority */
HAL_NVIC_SetPriority(ADCx_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(ADCx_IRQn);
}
开发者ID:PaxInstruments,项目名称:STM32CubeF3,代码行数:78,代码来源:stm32f3xx_hal_msp.c
示例13: HAL_UART_MspInit
void HAL_UART_MspInit(UART_HandleTypeDef* huart)
{
GPIO_InitTypeDef GPIO_InitStruct;
if(huart->Instance==USART3)
{
/* USER CODE BEGIN USART3_MspInit 0 */
/* USER CODE END USART3_MspInit 0 */
/* Peripheral clock enable */
__USART3_CLK_ENABLE();
/**USART3 GPIO Configuration
PB10 ------> USART3_TX
PB11 ------> USART3_RX
PB13 ------> USART3_CTS
PB14 ------> USART3_RTS
*/
GPIO_InitStruct.Pin = GPIO_PIN_10|GPIO_PIN_11;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF7_USART3;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_13|GPIO_PIN_14;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF7_USART3;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/* Peripheral DMA init*/
hdma_usart3_rx.Instance = DMA1_Stream1;
hdma_usart3_rx.Init.Channel = DMA_CHANNEL_4;
hdma_usart3_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
hdma_usart3_rx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_usart3_rx.Init.MemInc = DMA_MINC_ENABLE;
hdma_usart3_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_usart3_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_usart3_rx.Init.Mode = DMA_CIRCULAR;
hdma_usart3_rx.Init.Priority = DMA_PRIORITY_LOW;
hdma_usart3_rx.Init.FIFOMode = DMA_FIFOMODE_ENABLE;
hdma_usart3_rx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
hdma_usart3_rx.Init.MemBurst = DMA_MBURST_SINGLE;
hdma_usart3_rx.Init.PeriphBurst = DMA_PBURST_SINGLE;
HAL_DMA_Init(&hdma_usart3_rx);
__HAL_LINKDMA(huart,hdmarx,hdma_usart3_rx);
hdma_usart3_tx.Instance = DMA1_Stream3;
hdma_usart3_tx.Init.Channel = DMA_CHANNEL_4;
hdma_usart3_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
hdma_usart3_tx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_usart3_tx.Init.MemInc = DMA_MINC_ENABLE;
hdma_usart3_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_usart3_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_usart3_tx.Init.Mode = DMA_CIRCULAR;
hdma_usart3_tx.Init.Priority = DMA_PRIORITY_LOW;
hdma_usart3_tx.Init.FIFOMode = DMA_FIFOMODE_ENABLE;
hdma_usart3_tx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
hdma_usart3_tx.Init.MemBurst = DMA_MBURST_SINGLE;
hdma_usart3_tx.Init.PeriphBurst = DMA_PBURST_SINGLE;
HAL_DMA_Init(&hdma_usart3_tx);
__HAL_LINKDMA(huart,hdmatx,hdma_usart3_tx);
/* Peripheral interrupt init*/
HAL_NVIC_SetPriority(USART3_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(USART3_IRQn);
/* USER CODE BEGIN USART3_MspInit 1 */
/* USER CODE END USART3_MspInit 1 */
}
}
开发者ID:sinaaghli,项目名称:STM32DT,代码行数:76,代码来源:usart.c
示例14: HAL_RTC_MspInit
/**
* @brief RTC MSP Initialization
* This function configures the hardware resources used in this example
* @param hrtc: RTC handle pointer
*
* @note Care must be taken when HAL_RCCEx_PeriphCLKConfig() is used to select
* the RTC clock source; in this case the Backup domain will be reset in
* order to modify the RTC Clock source, as consequence RTC registers (including
* the backup registers) and RCC_BDCR register are set to their reset values.
*
* @retval None
*/
void HAL_RTC_MspInit(RTC_HandleTypeDef *hrtc)
{
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;
/*##-1- Enables the PWR Clock and Enables access to the backup domain ###################################*/
/* To change the source clock of the RTC feature (LSE, LSI), You have to:
- Enable the power clock using __HAL_RCC_PWR_CLK_ENABLE()
- Enable write access using HAL_PWR_EnableBkUpAccess() function before to
configure the RTC clock source (to be done once after reset).
- Reset the Back up Domain using __HAL_RCC_BACKUPRESET_FORCE() and
__HAL_RCC_BACKUPRESET_RELEASE().
- Configure the needed RTC clock source */
__HAL_RCC_PWR_CLK_ENABLE();
HAL_PWR_EnableBkUpAccess();
/*##-2- Configue LSE/LSI as RTC clock soucre ###############################*/
#ifdef RTC_CLOCK_SOURCE_LSE
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
RCC_OscInitStruct.LSEState = RCC_LSE_ON;
RCC_OscInitStruct.LSIState = RCC_LSI_OFF;
if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
Error_Handler();
}
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RTC;
PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
if(HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
{
Error_Handler();
}
#elif defined (RTC_CLOCK_SOURCE_LSI)
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
RCC_OscInitStruct.LSIState = RCC_LSI_ON;
RCC_OscInitStruct.LSEState = RCC_LSE_OFF;
if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
Error_Handler();
}
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RTC;
PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSI;
if(HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
{
Error_Handler();
}
#else
#error Please select the RTC Clock source inside the main.h file
#endif /*RTC_CLOCK_SOURCE_LSE*/
/*##-2- Enable RTC peripheral Clocks #######################################*/
/* Enable RTC Clock */
__HAL_RCC_RTC_ENABLE();
/*##-4- Configure the NVIC for RTC Alarm ###################################*/
HAL_NVIC_SetPriority(RTC_Alarm_IRQn, 0x0F, 0);
HAL_NVIC_EnableIRQ(RTC_Alarm_IRQn);
}
开发者ID:asebak,项目名称:IMU,代码行数:73,代码来源:stm32l4xx_hal_msp.c
示例15: HAL_UART_MspInit
void HAL_UART_MspInit(UART_HandleTypeDef* huart)
{
GPIO_InitTypeDef GPIO_InitStruct;
if(huart->Instance==UART4)
{
/* USER CODE BEGIN UART4_MspInit 0 */
/* USER CODE END UART4_MspInit 0 */
/* Peripheral clock enable */
__HAL_RCC_UART4_CLK_ENABLE();
/**UART4 GPIO Configuration
PA0-WKUP ------> UART4_TX
PA1 ------> UART4_RX
*/
GPIO_InitStruct.Pin = COMMS_TX_U4_Pin|COMMS_RX_U4_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF8_UART4;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* Peripheral DMA init*/
hdma_uart4_tx.Instance = DMA1_Stream4;
hdma_uart4_tx.Init.Channel = DMA_CHANNEL_4;
hdma_uart4_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
hdma_uart4_tx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_uart4_tx.Init.MemInc = DMA_MINC_ENABLE;
hdma_uart4_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_uart4_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_uart4_tx.Init.Mode = DMA_NORMAL;
hdma_uart4_tx.Init.Priority = DMA_PRIORITY_LOW;
hdma_uart4_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
if (HAL_DMA_Init(&hdma_uart4_tx) != HAL_OK)
{
Error_Handler();
}
__HAL_LINKDMA(huart,hdmatx,hdma_uart4_tx);
/* Peripheral interrupt init */
HAL_NVIC_SetPriority(UART4_IRQn, 5, 0);
HAL_NVIC_EnableIRQ(UART4_IRQn);
/* USER CODE BEGIN UART4_MspInit 1 */
/* USER CODE END UART4_MspInit 1 */
}
else if(huart->Instance==USART1)
{
/* USER CODE BEGIN USART1_MspInit 0 */
/* USER CODE END USART1_MspInit 0 */
/* Peripheral clock enable */
__HAL_RCC_USART1_CLK_ENABLE();
/**USART1 GPIO Configuration
PA9 ------> USART1_TX
PA10 ------> USART1_RX
*/
GPIO_InitStruct.Pin = EPS_TX_U1_Pin|EPS_RX_U1_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF7_USART1;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* Peripheral DMA init*/
hdma_usart1_tx.Instance = DMA2_Stream7;
hdma_usart1_tx.Init.Channel = DMA_CHANNEL_4;
hdma_usart1_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
hdma_usart1_tx.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_usart1_tx.Init.MemInc = DMA_MINC_ENABLE;
hdma_usart1_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
hdma_usart1_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
hdma_usart1_tx.Init.Mode = DMA_NORMAL;
hdma_usart1_tx.Init.Priority = DMA_PRIORITY_LOW;
hdma_usart1_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
if (HAL_DMA_Init(&hdma_usart1_
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