mirror of
https://github.com/armfly/H7-TOOL_STM32H7_App.git
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193 lines
7.2 KiB
C
Executable File
193 lines
7.2 KiB
C
Executable File
/**
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******************************************************************************
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* @file USB_Device/CDC_Standalone/Src/stm32h7xx_hal_msp.c
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* @author MCD Application Team
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* @brief HAL MSP module.
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------ */
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#include "main.h"
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/** @addtogroup USBD_USER
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* @{
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*/
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/** @defgroup USBD_USR_MAIN
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* @brief This file is the CDC application main file
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* @{
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*/
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/* Private typedef ----------------------------------------------------------- */
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/* Private define ------------------------------------------------------------ */
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/* Private macro ------------------------------------------------------------- */
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/* Private variables --------------------------------------------------------- */
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/* Private function prototypes ----------------------------------------------- */
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/* Private functions --------------------------------------------------------- */
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/**
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* @brief UART MSP Initialization
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* This function configures the hardware resources used in this application:
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* - Peripheral's clock enable
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* - Peripheral's GPIO Configuration
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* - NVIC configuration for UART interrupt request enable
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* @param huart: UART handle pointer
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* @retval None
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*/
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void HAL_UART_MspInit(UART_HandleTypeDef * huart)
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{
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static DMA_HandleTypeDef hdma_tx;
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GPIO_InitTypeDef GPIO_InitStruct;
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RCC_PeriphCLKInitTypeDef RCC_PeriphClkInit;
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/* ##-1- Enable peripherals and GPIO Clocks #################################
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*/
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/* Enable GPIO clock */
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USARTx_TX_GPIO_CLK_ENABLE();
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USARTx_RX_GPIO_CLK_ENABLE();
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/* Select SysClk as source of USART1 clocks */
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RCC_PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART16;
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RCC_PeriphClkInit.Usart16ClockSelection = RCC_USART16CLKSOURCE_D2PCLK2;
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HAL_RCCEx_PeriphCLKConfig(&RCC_PeriphClkInit);
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/* Enable USARTx clock */
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USARTx_CLK_ENABLE();
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/* Enable DMAx clock */
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DMAx_CLK_ENABLE();
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/* ##-2- Configure peripheral GPIO ##########################################
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*/
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/* UART TX GPIO pin configuration */
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GPIO_InitStruct.Pin = USARTx_TX_PIN;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
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GPIO_InitStruct.Alternate = USARTx_TX_AF;
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HAL_GPIO_Init(USARTx_TX_GPIO_PORT, &GPIO_InitStruct);
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/* UART RX GPIO pin configuration */
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GPIO_InitStruct.Pin = USARTx_RX_PIN;
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GPIO_InitStruct.Alternate = USARTx_RX_AF;
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HAL_GPIO_Init(USARTx_RX_GPIO_PORT, &GPIO_InitStruct);
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/* ##-4- Configure the DMA streams ##########################################
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*/
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/* Configure the DMA handler for Transmission process */
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hdma_tx.Instance = USARTx_TX_DMA_STREAM;
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hdma_tx.Init.Request = USARTx_TX_DMA_CHANNEL;
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hdma_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
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hdma_tx.Init.PeriphInc = DMA_PINC_DISABLE;
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hdma_tx.Init.MemInc = DMA_MINC_ENABLE;
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hdma_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
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hdma_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
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hdma_tx.Init.Mode = DMA_NORMAL;
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hdma_tx.Init.Priority = DMA_PRIORITY_LOW;
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hdma_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
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hdma_tx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
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hdma_tx.Init.MemBurst = DMA_MBURST_INC4;
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hdma_tx.Init.PeriphBurst = DMA_PBURST_INC4;
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HAL_DMA_Init(&hdma_tx);
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/* Associate the initialized DMA handle to the UART handle */
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__HAL_LINKDMA(huart, hdmatx, hdma_tx);
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/* ##-5- Configure the NVIC for DMA #########################################
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*/
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/* NVIC configuration for DMA transfer complete interrupt (USARTx_TX) */
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HAL_NVIC_SetPriority(USARTx_DMA_TX_IRQn, 6, 0);
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HAL_NVIC_EnableIRQ(USARTx_DMA_TX_IRQn);
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/* ##-6- Configure the NVIC for UART ########################################
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*/
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HAL_NVIC_SetPriority(USARTx_IRQn, 5, 0);
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HAL_NVIC_EnableIRQ(USARTx_IRQn);
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/* ##-7- Enable TIM peripherals Clock #######################################
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*/
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TIMx_CLK_ENABLE();
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/* ##-8- Configure the NVIC for TIMx ########################################
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*/
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/* Set Interrupt Group Priority */
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HAL_NVIC_SetPriority(TIMx_IRQn, 6, 0);
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/* Enable the TIMx global Interrupt */
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HAL_NVIC_EnableIRQ(TIMx_IRQn);
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}
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/**
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* @brief UART MSP De-Initialization
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* This function frees the hardware resources used in this application:
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* - Disable the Peripheral's clock
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* - Revert GPIO, and NVIC configuration to their default state
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* @param huart: UART handle pointer
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* @retval None
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*/
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void HAL_UART_MspDeInit(UART_HandleTypeDef * huart)
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{
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/* ##-1- Reset peripherals ##################################################
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*/
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USARTx_FORCE_RESET();
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USARTx_RELEASE_RESET();
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/* ##-2- Disable peripherals and GPIO Clocks ################################
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*/
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/* Configure UART Tx as alternate function */
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HAL_GPIO_DeInit(USARTx_TX_GPIO_PORT, USARTx_TX_PIN);
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/* Configure UART Rx as alternate function */
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HAL_GPIO_DeInit(USARTx_RX_GPIO_PORT, USARTx_RX_PIN);
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/* ##-3- Disable the NVIC for UART ##########################################
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*/
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HAL_NVIC_DisableIRQ(USARTx_IRQn);
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/* ##-4- Reset TIM peripheral ###############################################
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*/
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TIMx_FORCE_RESET();
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TIMx_RELEASE_RESET();
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}
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/**
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* @}
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*/
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/**
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* @}
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*/
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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