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为什么STM32F407VGT6蜂鸣器不响?

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ID:61140 发表于 2026-9-7 10:04 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
使用CubeMX生成的工程框架，只是让蜂鸣器开机响一下，但是蜂鸣器不响，两个晶振和旁边的电容都是全新的，仔细查了线路硬件没问题，请教大神指导，在线等。。。
  1. /* USER CODE BEGIN Header */
  2. /**
  3.   ******************************************************************************
  4.   * @file           : main.c
  5.   * @brief          : Main program body
  6.   ******************************************************************************
  7.   * @attention
  8.   *
  9.   * Copyright (c) 2026 STMicroelectronics.
  10.   * All rights reserved.
  11.   *
  12.   * This software is licensed under terms that can be found in the LICENSE file
  13.   * in the root directory of this software component.
  14.   * If no LICENSE file comes with this software, it is provided AS-IS.
  15.   *
  16.   ******************************************************************************
  17.   */
  18. /* USER CODE END Header */
  19. /* Includes ------------------------------------------------------------------*/
  20. #include "main.h"

  22. /* Private includes ----------------------------------------------------------*/
  23. /* USER CODE BEGIN Includes */

  25. /* USER CODE END Includes */

  27. /* Private typedef -----------------------------------------------------------*/
  28. /* USER CODE BEGIN PTD */

  30. /* USER CODE END PTD */

  32. /* Private define ------------------------------------------------------------*/
  33. /* USER CODE BEGIN PD */

  35. /* USER CODE END PD */

  37. /* Private macro -------------------------------------------------------------*/
  38. /* USER CODE BEGIN PM */

  40. /* USER CODE END PM */

  42. /* Private variables ---------------------------------------------------------*/
  43. ADC_HandleTypeDef hadc1;
  44. ADC_HandleTypeDef hadc2;
  45. ADC_HandleTypeDef hadc3;

  47. RTC_HandleTypeDef hrtc;

  49. SPI_HandleTypeDef hspi1;

  51. UART_HandleTypeDef huart1;

  53. /* USER CODE BEGIN PV */

  55. /* USER CODE END PV */

  57. /* Private function prototypes -----------------------------------------------*/
  58. void SystemClock_Config(void);
  59. static void MX_GPIO_Init(void);
  60. static void MX_ADC1_Init(void);
  61. static void MX_ADC2_Init(void);
  62. static void MX_ADC3_Init(void);
  63. static void MX_RTC_Init(void);
  64. static void MX_SPI1_Init(void);
  65. static void MX_USART1_UART_Init(void);
  66. /* USER CODE BEGIN PFP */

  68. /* USER CODE END PFP */

  70. /* Private user code ---------------------------------------------------------*/
  71. /* USER CODE BEGIN 0 */

  73. /* USER CODE END 0 */

  75. /**
  76.   * @brief  The application entry point.
  77.   * @retval int
  78.   */
  79. int main(void)
  80. {

  82.   /* USER CODE BEGIN 1 */

  84.   /* USER CODE END 1 */

  86.   /* MCU Configuration--------------------------------------------------------*/

  88.   /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  89.   HAL_Init();

  91.   /* USER CODE BEGIN Init */

  93.   /* USER CODE END Init */

  95.   /* Configure the system clock */
  96.   SystemClock_Config();

  98.   /* USER CODE BEGIN SysInit */

  100.   /* USER CODE END SysInit */

  102.   /* Initialize all configured peripherals */
  103.   MX_GPIO_Init();
  104.   MX_ADC1_Init();
  105.   MX_ADC2_Init();
  106.   MX_ADC3_Init();
  107.   MX_RTC_Init();
  108.   MX_SPI1_Init();
  109.   MX_USART1_UART_Init();
  110.   /* USER CODE BEGIN 2 */
  111.   HAL_GPIO_WritePin(BUZZ_GPIO_Port, BUZZ_Pin, GPIO_PIN_RESET);
  112.   HAL_Delay(500);
  113.   HAL_GPIO_WritePin(BUZZ_GPIO_Port, BUZZ_Pin, GPIO_PIN_SET);
  114.   HAL_Delay(500);
  115.   /* USER CODE END 2 */

  117.   /* Infinite loop */
  118.   /* USER CODE BEGIN WHILE */
  119.   while (1)
  120.   {
  121.     /* USER CODE END WHILE */

  123.     /* USER CODE BEGIN 3 */
  124.   }
  125.   /* USER CODE END 3 */
  126. }

  128. /**
  129.   * @brief System Clock Configuration
  130.   * @retval None
  131.   */
  132. void SystemClock_Config(void)
  133. {
  134.   RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  135.   RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  137.   /** Configure the main internal regulator output voltage
  138.   */
  139.   __HAL_RCC_PWR_CLK_ENABLE();
  140.   __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);

  142.   /** Initializes the RCC Oscillators according to the specified parameters
  143.   * in the RCC_OscInitTypeDef structure.
  144.   */
  145.   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE|RCC_OSCILLATORTYPE_LSE;
  146.   RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  147.   RCC_OscInitStruct.LSEState = RCC_LSE_ON;
  148.   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  149.   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  150.   RCC_OscInitStruct.PLL.PLLM = 12;
  151.   RCC_OscInitStruct.PLL.PLLN = 168;
  152.   RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
  153.   RCC_OscInitStruct.PLL.PLLQ = 4;
  154.   if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  155.   {
  156.     Error_Handler();
  157.   }

  159.   /** Initializes the CPU, AHB and APB buses clocks
  160.   */
  161.   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
  162.                               |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  163.   RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  164.   RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  165.   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
  166.   RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;

  168.   if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK)
  169.   {
  170.     Error_Handler();
  171.   }
  172. }

  174. /**
  175.   * @brief ADC1 Initialization Function
  176.   * @param None
  177.   * @retval None
  178.   */
  179. static void MX_ADC1_Init(void)
  180. {

  182.   /* USER CODE BEGIN ADC1_Init 0 */

  184.   /* USER CODE END ADC1_Init 0 */

  186.   ADC_ChannelConfTypeDef sConfig = {0};

  188.   /* USER CODE BEGIN ADC1_Init 1 */

  190.   /* USER CODE END ADC1_Init 1 */

  192.   /** Configure the global features of the ADC (Clock, Resolution, Data Alignment and number of conversion)
  193.   */
  194.   hadc1.Instance = ADC1;
  195.   hadc1.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV4;
  196.   hadc1.Init.Resolution = ADC_RESOLUTION_12B;
  197.   hadc1.Init.ScanConvMode = DISABLE;
  198.   hadc1.Init.ContinuousConvMode = DISABLE;
  199.   hadc1.Init.DiscontinuousConvMode = DISABLE;
  200.   hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
  201.   hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START;
  202.   hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
  203.   hadc1.Init.NbrOfConversion = 1;
  204.   hadc1.Init.DMAContinuousRequests = DISABLE;
  205.   hadc1.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
  206.   if (HAL_ADC_Init(&hadc1) != HAL_OK)
  207.   {
  208.     Error_Handler();
  209.   }

  211.   /** Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
  212.   */
  213.   sConfig.Channel = ADC_CHANNEL_2;
  214.   sConfig.Rank = 1;
  215.   sConfig.SamplingTime = ADC_SAMPLETIME_480CYCLES;
  216.   if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
  217.   {
  218.     Error_Handler();
  219.   }
  220.   /* USER CODE BEGIN ADC1_Init 2 */

  222.   /* USER CODE END ADC1_Init 2 */

  224. }

  226. /**
  227.   * @brief ADC2 Initialization Function
  228.   * @param None
  229.   * @retval None
  230.   */
  231. static void MX_ADC2_Init(void)
  232. {

  234.   /* USER CODE BEGIN ADC2_Init 0 */

  236.   /* USER CODE END ADC2_Init 0 */

  238.   ADC_ChannelConfTypeDef sConfig = {0};

  240.   /* USER CODE BEGIN ADC2_Init 1 */

  242.   /* USER CODE END ADC2_Init 1 */

  244.   /** Configure the global features of the ADC (Clock, Resolution, Data Alignment and number of conversion)
  245.   */
  246.   hadc2.Instance = ADC2;
  247.   hadc2.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV4;
  248.   hadc2.Init.Resolution = ADC_RESOLUTION_12B;
  249.   hadc2.Init.ScanConvMode = DISABLE;
  250.   hadc2.Init.ContinuousConvMode = DISABLE;
  251.   hadc2.Init.DiscontinuousConvMode = DISABLE;
  252.   hadc2.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
  253.   hadc2.Init.ExternalTrigConv = ADC_SOFTWARE_START;
  254.   hadc2.Init.DataAlign = ADC_DATAALIGN_RIGHT;
  255.   hadc2.Init.NbrOfConversion = 1;
  256.   hadc2.Init.DMAContinuousRequests = DISABLE;
  257.   hadc2.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
  258.   if (HAL_ADC_Init(&hadc2) != HAL_OK)
  259.   {
  260.     Error_Handler();
  261.   }

  263.   /** Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
  264.   */
  265.   sConfig.Channel = ADC_CHANNEL_2;
  266.   sConfig.Rank = 1;
  267.   sConfig.SamplingTime = ADC_SAMPLETIME_3CYCLES;
  268.   if (HAL_ADC_ConfigChannel(&hadc2, &sConfig) != HAL_OK)
  269.   {
  270.     Error_Handler();
  271.   }
  272.   /* USER CODE BEGIN ADC2_Init 2 */

  274.   /* USER CODE END ADC2_Init 2 */

  276. }

  278. /**
  279.   * @brief ADC3 Initialization Function
  280.   * @param None
  281.   * @retval None
  282.   */
  283. static void MX_ADC3_Init(void)
  284. {

  286.   /* USER CODE BEGIN ADC3_Init 0 */

  288.   /* USER CODE END ADC3_Init 0 */

  290.   ADC_ChannelConfTypeDef sConfig = {0};

  292.   /* USER CODE BEGIN ADC3_Init 1 */

  294.   /* USER CODE END ADC3_Init 1 */

  296.   /** Configure the global features of the ADC (Clock, Resolution, Data Alignment and number of conversion)
  297.   */
  298.   hadc3.Instance = ADC3;
  299.   hadc3.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV4;
  300.   hadc3.Init.Resolution = ADC_RESOLUTION_12B;
  301.   hadc3.Init.ScanConvMode = DISABLE;
  302.   hadc3.Init.ContinuousConvMode = DISABLE;
  303.   hadc3.Init.DiscontinuousConvMode = DISABLE;
  304.   hadc3.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
  305.   hadc3.Init.ExternalTrigConv = ADC_SOFTWARE_START;
  306.   hadc3.Init.DataAlign = ADC_DATAALIGN_RIGHT;
  307.   hadc3.Init.NbrOfConversion = 1;
  308.   hadc3.Init.DMAContinuousRequests = DISABLE;
  309.   hadc3.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
  310.   if (HAL_ADC_Init(&hadc3) != HAL_OK)
  311.   {
  312.     Error_Handler();
  313.   }

  315.   /** Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
  316.   */
  317.   sConfig.Channel = ADC_CHANNEL_2;
  318.   sConfig.Rank = 1;
  319.   sConfig.SamplingTime = ADC_SAMPLETIME_3CYCLES;
  320.   if (HAL_ADC_ConfigChannel(&hadc3, &sConfig) != HAL_OK)
  321.   {
  322.     Error_Handler();
  323.   }
  324.   /* USER CODE BEGIN ADC3_Init 2 */

  326.   /* USER CODE END ADC3_Init 2 */

  328. }

  330. /**
  331.   * @brief RTC Initialization Function
  332.   * @param None
  333.   * @retval None
  334.   */
  335. static void MX_RTC_Init(void)
  336. {

  338.   /* USER CODE BEGIN RTC_Init 0 */

  340.   /* USER CODE END RTC_Init 0 */

  342.   /* USER CODE BEGIN RTC_Init 1 */

  344.   /* USER CODE END RTC_Init 1 */

  346.   /** Initialize RTC Only
  347.   */
  348.   hrtc.Instance = RTC;
  349.   hrtc.Init.HourFormat = RTC_HOURFORMAT_24;
  350.   hrtc.Init.AsynchPrediv = 127;
  351.   hrtc.Init.SynchPrediv = 255;
  352.   hrtc.Init.OutPut = RTC_OUTPUT_DISABLE;
  353.   hrtc.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
  354.   hrtc.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
  355.   if (HAL_RTC_Init(&hrtc) != HAL_OK)
  356.   {
  357.     Error_Handler();
  358.   }
  359.   /* USER CODE BEGIN RTC_Init 2 */

  361.   /* USER CODE END RTC_Init 2 */

  363. }

  365. /**
  366.   * @brief SPI1 Initialization Function
  367.   * @param None
  368.   * @retval None
  369.   */
  370. static void MX_SPI1_Init(void)
  371. {

  373.   /* USER CODE BEGIN SPI1_Init 0 */

  375.   /* USER CODE END SPI1_Init 0 */

  377.   /* USER CODE BEGIN SPI1_Init 1 */

  379.   /* USER CODE END SPI1_Init 1 */
  380.   /* SPI1 parameter configuration*/
  381.   hspi1.Instance = SPI1;
  382.   hspi1.Init.Mode = SPI_MODE_MASTER;
  383.   hspi1.Init.Direction = SPI_DIRECTION_2LINES;
  384.   hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
  385.   hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
  386.   hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
  387.   hspi1.Init.NSS = SPI_NSS_SOFT;
  388.   hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_4;
  389.   hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
  390.   hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
  391.   hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
  392.   hspi1.Init.CRCPolynomial = 10;
  393.   if (HAL_SPI_Init(&hspi1) != HAL_OK)
  394.   {
  395.     Error_Handler();
  396.   }
  397.   /* USER CODE BEGIN SPI1_Init 2 */

  399.   /* USER CODE END SPI1_Init 2 */

  401. }

  403. /**
  404.   * @brief USART1 Initialization Function
  405.   * @param None
  406.   * @retval None
  407.   */
  408. static void MX_USART1_UART_Init(void)
  409. {

  411.   /* USER CODE BEGIN USART1_Init 0 */

  413.   /* USER CODE END USART1_Init 0 */

  415.   /* USER CODE BEGIN USART1_Init 1 */

  417.   /* USER CODE END USART1_Init 1 */
  418.   huart1.Instance = USART1;
  419.   huart1.Init.BaudRate = 115200;
  420.   huart1.Init.WordLength = UART_WORDLENGTH_8B;
  421.   huart1.Init.StopBits = UART_STOPBITS_1;
  422.   huart1.Init.Parity = UART_PARITY_NONE;
  423.   huart1.Init.Mode = UART_MODE_TX_RX;
  424.   huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  425.   huart1.Init.OverSampling = UART_OVERSAMPLING_16;
  426.   if (HAL_UART_Init(&huart1) != HAL_OK)
  427.   {
  428.     Error_Handler();
  429.   }
  430.   /* USER CODE BEGIN USART1_Init 2 */

  432.   /* USER CODE END USART1_Init 2 */

  434. }

  436. /**
  437.   * @brief GPIO Initialization Function
  438.   * @param None
  439.   * @retval None
  440.   */
  441. static void MX_GPIO_Init(void)
  442. {
  443.   GPIO_InitTypeDef GPIO_InitStruct = {0};
  444.   /* USER CODE BEGIN MX_GPIO_Init_1 */

  446.   /* USER CODE END MX_GPIO_Init_1 */

  448.   /* GPIO Ports Clock Enable */
  449.   __HAL_RCC_GPIOE_CLK_ENABLE();
  450.   __HAL_RCC_GPIOC_CLK_ENABLE();
  451.   __HAL_RCC_GPIOH_CLK_ENABLE();
  452.   __HAL_RCC_GPIOA_CLK_ENABLE();
  453.   __HAL_RCC_GPIOB_CLK_ENABLE();
  454.   __HAL_RCC_GPIOD_CLK_ENABLE();

  456.   /*Configure GPIO pin Output Level */
  457.   HAL_GPIO_WritePin(GPIOA, DS18B20_Pin|SPI1_NSS_Pin, GPIO_PIN_RESET);

  459.   /*Configure GPIO pin Output Level */
  460.   HAL_GPIO_WritePin(GPIOE, SPI2_DREQ_Pin|SPI2_XRESET_Pin, GPIO_PIN_RESET);

  462.   /*Configure GPIO pin Output Level */
  463.   HAL_GPIO_WritePin(GPIOB, SPI2_XDCS_Pin|SPI2_NSS_Pin|SPI2_SCK_Pin|SPI2_MOSI_Pin
  464.                           |SPI2_MISO_Pin, GPIO_PIN_RESET);

  466.   /*Configure GPIO pin Output Level */
  467.   HAL_GPIO_WritePin(GPIOD, CH375_D0_Pin|CH375_D1_Pin|CH375_D2_Pin|CH375_D3_Pin
  468.                           |CH375_D4_Pin|CH375_D5_Pin|CH375_D6_Pin|CH375_D7_Pin
  469.                           |LCD_D0_Pin|LCD_D1_Pin|LCD_D2_Pin|LCD_D3_Pin
  470.                           |LCD_D4_Pin|LCD_D5_Pin|LCD_D6_Pin|LCD_D7_Pin, GPIO_PIN_RESET);

  472.   /*Configure GPIO pin Output Level */
  473.   HAL_GPIO_WritePin(GPIOC, CH375_A0_Pin|CH375_RD_Pin|CH375_WR_Pin|LCD_RW_Pin
  474.                           |LCD_E_Pin, GPIO_PIN_SET);

  476.   /*Configure GPIO pin Output Level */
  477.   HAL_GPIO_WritePin(GPIOA, CH375_CS_Pin|BUZZ_Pin, GPIO_PIN_SET);

  479.   /*Configure GPIO pin Output Level */
  480.   HAL_GPIO_WritePin(GPIOB, LCD_CS_Pin|LCD_RES_Pin|LCD_RS_Pin, GPIO_PIN_SET);

  482.   /*Configure GPIO pins : KEY_1_Pin KEY_2_Pin KEY_3_Pin KEY_4_Pin */
  483.   GPIO_InitStruct.Pin = KEY_1_Pin|KEY_2_Pin|KEY_3_Pin|KEY_4_Pin;
  484.   GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
  485.   GPIO_InitStruct.Pull = GPIO_PULLUP;
  486.   HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);

  488.   /*Configure GPIO pins : DS18B20_Pin SPI1_NSS_Pin CH375_CS_Pin BUZZ_Pin */
  489.   GPIO_InitStruct.Pin = DS18B20_Pin|SPI1_NSS_Pin|CH375_CS_Pin|BUZZ_Pin;
  490.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  491.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  492.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  493.   HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

  495.   /*Configure GPIO pin : HWJS_Pin */
  496.   GPIO_InitStruct.Pin = HWJS_Pin;
  497.   GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
  498.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  499.   HAL_GPIO_Init(HWJS_GPIO_Port, &GPIO_InitStruct);

  501.   /*Configure GPIO pins : SPI2_DREQ_Pin SPI2_XRESET_Pin */
  502.   GPIO_InitStruct.Pin = SPI2_DREQ_Pin|SPI2_XRESET_Pin;
  503.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  504.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  505.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  506.   HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);

  508.   /*Configure GPIO pins : SPI2_XDCS_Pin SPI2_NSS_Pin SPI2_SCK_Pin SPI2_MOSI_Pin
  509.                            SPI2_MISO_Pin LCD_CS_Pin LCD_RES_Pin LCD_RS_Pin */
  510.   GPIO_InitStruct.Pin = SPI2_XDCS_Pin|SPI2_NSS_Pin|SPI2_SCK_Pin|SPI2_MOSI_Pin
  511.                           |SPI2_MISO_Pin|LCD_CS_Pin|LCD_RES_Pin|LCD_RS_Pin;
  512.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  513.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  514.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  515.   HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

  517.   /*Configure GPIO pins : CH375_D0_Pin CH375_D1_Pin CH375_D2_Pin CH375_D3_Pin
  518.                            CH375_D4_Pin CH375_D5_Pin CH375_D6_Pin CH375_D7_Pin
  519.                            LCD_D0_Pin LCD_D1_Pin LCD_D2_Pin LCD_D3_Pin
  520.                            LCD_D4_Pin LCD_D5_Pin LCD_D6_Pin LCD_D7_Pin */
  521.   GPIO_InitStruct.Pin = CH375_D0_Pin|CH375_D1_Pin|CH375_D2_Pin|CH375_D3_Pin
  522.                           |CH375_D4_Pin|CH375_D5_Pin|CH375_D6_Pin|CH375_D7_Pin
  523.                           |LCD_D0_Pin|LCD_D1_Pin|LCD_D2_Pin|LCD_D3_Pin
  524.                           |LCD_D4_Pin|LCD_D5_Pin|LCD_D6_Pin|LCD_D7_Pin;
  525.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  526.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  527.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  528.   HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);

  530.   /*Configure GPIO pins : CH375_A0_Pin CH375_RD_Pin CH375_WR_Pin LCD_RW_Pin
  531.                            LCD_E_Pin */
  532.   GPIO_InitStruct.Pin = CH375_A0_Pin|CH375_RD_Pin|CH375_WR_Pin|LCD_RW_Pin
  533.                           |LCD_E_Pin;
  534.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  535.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  536.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
  537.   HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);

  539.   /*Configure GPIO pin : CH375_INT_Pin */
  540.   GPIO_InitStruct.Pin = CH375_INT_Pin;
  541.   GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
  542.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  543.   HAL_GPIO_Init(CH375_INT_GPIO_Port, &GPIO_InitStruct);

  545.   /* EXTI interrupt init*/
  546.   HAL_NVIC_SetPriority(EXTI1_IRQn, 0, 0);
  547.   HAL_NVIC_EnableIRQ(EXTI1_IRQn);

  549.   HAL_NVIC_SetPriority(EXTI9_5_IRQn, 0, 0);
  550.   HAL_NVIC_EnableIRQ(EXTI9_5_IRQn);

  552.   /* USER CODE BEGIN MX_GPIO_Init_2 */

  554.   /* USER CODE END MX_GPIO_Init_2 */
  555. }

  557. /* USER CODE BEGIN 4 */

  559. /* USER CODE END 4 */

  561. /**
  562.   * @brief  This function is executed in case of error occurrence.
  563.   * @retval None
  564.   */
  565. void Error_Handler(void)
  566. {
  567.   /* USER CODE BEGIN Error_Handler_Debug */
  568.   /* User can add his own implementation to report the HAL error return state */
  569.   __disable_irq();
  570.   while (1)
  571.   {
  572.   }
  573.   /* USER CODE END Error_Handler_Debug */
  574. }
  575. #ifdef USE_FULL_ASSERT
  576. /**
  577.   * @brief  Reports the name of the source file and the source line number
  578.   *         where the assert_param error has occurred.
  579.   * @param  file: pointer to the source file name
  580.   * @param  line: assert_param error line source number
  581.   * @retval None
  582.   */
  583. void assert_failed(uint8_t *file, uint32_t line)
  584. {
  585.   /* USER CODE BEGIN 6 */
  586.   /* User can add his own implementation to report the file name and line number,
  587.      ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  588.   /* USER CODE END 6 */
  589. }
  590. #endif /* USE_FULL_ASSERT */
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