1 
2 /* USER CODE BEGIN Header */
3 /**
4   ******************************************************************************
5   * @file         stm32h7xx_hal_msp.c
6   * @brief        This file provides code for the MSP Initialization
7   *               and de-Initialization codes.
8   ******************************************************************************
9   * @attention
10   *
11   * Copyright (c) 2024 STMicroelectronics.
12   * All rights reserved.
13   *
14   * This software is licensed under terms that can be found in the LICENSE file
15   * in the root directory of this software component.
16   * If no LICENSE file comes with this software, it is provided AS-IS.
17   *
18   ******************************************************************************
19   */
20 /* USER CODE END Header */
21 
22 /* Includes ------------------------------------------------------------------*/
23 #include "main.h"
24 /* USER CODE BEGIN Includes */
25 
26 /* USER CODE END Includes */
27 
28 /* Private typedef -----------------------------------------------------------*/
29 /* USER CODE BEGIN TD */
30 
31 /* USER CODE END TD */
32 
33 /* Private define ------------------------------------------------------------*/
34 /* USER CODE BEGIN Define */
35 
36 /* USER CODE END Define */
37 
38 /* Private macro -------------------------------------------------------------*/
39 /* USER CODE BEGIN Macro */
40 
41 /* USER CODE END Macro */
42 
43 /* Private variables ---------------------------------------------------------*/
44 /* USER CODE BEGIN PV */
45 
46 /* USER CODE END PV */
47 
48 /* Private function prototypes -----------------------------------------------*/
49 /* USER CODE BEGIN PFP */
50 
51 /* USER CODE END PFP */
52 
53 /* External functions --------------------------------------------------------*/
54 /* USER CODE BEGIN ExternalFunctions */
55 
56 /* USER CODE END ExternalFunctions */
57 
58 /* USER CODE BEGIN 0 */
59 
60 /* USER CODE END 0 */
61 /**
62   * Initializes the Global MSP.
63   */
HAL_MspInit(void)64 void HAL_MspInit(void)
65 {
66 
67   /* USER CODE BEGIN MspInit 0 */
68 
69   /* USER CODE END MspInit 0 */
70 
71   __HAL_RCC_SYSCFG_CLK_ENABLE();
72 
73   /* System interrupt init*/
74 
75   /* USER CODE BEGIN MspInit 1 */
76 
77   /* USER CODE END MspInit 1 */
78 }
79 
80 /**
81 * @brief UART MSP Initialization
82 * This function configures the hardware resources used in this example
83 * @param huart: UART handle pointer
84 * @retval None
85 */
HAL_UART_MspInit(UART_HandleTypeDef * huart)86 void HAL_UART_MspInit(UART_HandleTypeDef* huart)
87 {
88   GPIO_InitTypeDef GPIO_InitStruct = {0};
89   RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
90   if(huart->Instance==USART3)
91   {
92   /* USER CODE BEGIN USART3_MspInit 0 */
93 
94   /* USER CODE END USART3_MspInit 0 */
95 
96   /** Initializes the peripherals clock
97   */
98     PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_USART3;
99     PeriphClkInitStruct.Usart234578ClockSelection = RCC_USART234578CLKSOURCE_D2PCLK1;
100     if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
101     {
102       /*Error_Handler();*/
103     }
104 
105     /* Peripheral clock enable */
106     __HAL_RCC_USART3_CLK_ENABLE();
107 
108     __HAL_RCC_GPIOD_CLK_ENABLE();
109     /**USART3 GPIO Configuration
110     PD8     ------> USART3_TX
111     PD9     ------> USART3_RX
112     */
113     GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9;
114     GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
115     GPIO_InitStruct.Pull = GPIO_NOPULL;
116     GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
117     GPIO_InitStruct.Alternate = GPIO_AF7_USART3;
118     HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
119 
120   /* USER CODE BEGIN USART3_MspInit 1 */
121 
122   /* USER CODE END USART3_MspInit 1 */
123 
124   }
125 
126 }
127 
128 /**
129 * @brief UART MSP De-Initialization
130 * This function freeze the hardware resources used in this example
131 * @param huart: UART handle pointer
132 * @retval None
133 */
HAL_UART_MspDeInit(UART_HandleTypeDef * huart)134 void HAL_UART_MspDeInit(UART_HandleTypeDef* huart)
135 {
136   if(huart->Instance==USART3)
137   {
138   /* USER CODE BEGIN USART3_MspDeInit 0 */
139 
140   /* USER CODE END USART3_MspDeInit 0 */
141     /* Peripheral clock disable */
142     __HAL_RCC_USART3_CLK_DISABLE();
143 
144     /**USART3 GPIO Configuration
145     PD8     ------> USART3_TX
146     PD9     ------> USART3_RX
147     */
148     HAL_GPIO_DeInit(GPIOD, GPIO_PIN_8|GPIO_PIN_9);
149 
150   /* USER CODE BEGIN USART3_MspDeInit 1 */
151 
152   /* USER CODE END USART3_MspDeInit 1 */
153   }
154 
155 }
156 
157 /* USER CODE BEGIN 1 */
158 
159 /* USER CODE END 1 */
160