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蜂鸣器通过ic触摸板改变声音 stm32源码

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ID:331753 发表于 2018-5-16 23:33 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
单片机源程序如下:
  1. /**
  2.   ******************************************************************************
  3.   * File Name          : main.c
  4.   * Description        : Main program body
  5.   ******************************************************************************
  6.   ** This notice applies to any and all portions of this file
  7.   * that are not between comment pairs USER CODE BEGIN and
  8.   * USER CODE END. Other portions of this file, whether
  9.   * inserted by the user or by software development tools
  10.   * are owned by their respective copyright owners.
  11.   *
  12.   * COPYRIGHT(c) 2018 STMicroelectronics
  13.   *
  14.   * Redistribution and use in source and binary forms, with or without modification,
  15.   * are permitted provided that the following conditions are met:
  16.   *   1. Redistributions of source code must retain the above copyright notice,
  17.   *      this list of conditions and the following disclaimer.
  18.   *   2. Redistributions in binary form must reproduce the above copyright notice,
  19.   *      this list of conditions and the following disclaimer in the documentation
  20.   *      and/or other materials provided with the distribution.
  21.   *   3. Neither the name of STMicroelectronics nor the names of its contributors
  22.   *      may be used to endorse or promote products derived from this software
  23.   *      without specific prior written permission.
  24.   *
  25.   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  26.   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  27.   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  28.   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  29.   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  30.   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  31.   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  32.   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  33.   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  34.   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  35.   *
  36.   ******************************************************************************
  37.   */

  39. /* Includes ------------------------------------------------------------------*/
  40. #include "main.h"
  41. #include "stm32f1xx_hal.h"

  43. /* USER CODE BEGIN Includes */

  45. /* USER CODE END Includes */

  47. /* Private variables ---------------------------------------------------------*/

  49. /* USER CODE BEGIN PV */
  50. /* Private variables ---------------------------------------------------------*/
  51.         uint16_t myDelay;

  53. /* USER CODE END PV */

  55. /* Private function prototypes -----------------------------------------------*/
  56. void SystemClock_Config(void);
  57. static void MX_GPIO_Init(void);

  59. /* USER CODE BEGIN PFP */
  60. /* Private function prototypes -----------------------------------------------*/

  62. /* USER CODE END PFP */

  64. /* USER CODE BEGIN 0 */

  66. /* USER CODE END 0 */

  68. int main(void)
  69. {

  71.   /* USER CODE BEGIN 1 */

  73.   /* USER CODE END 1 */

  75.   /* MCU Configuration----------------------------------------------------------*/

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

  80.   /* USER CODE BEGIN Init */

  82.   /* USER CODE END Init */

  84.   /* Configure the system clock */
  85.   SystemClock_Config();

  87.   /* USER CODE BEGIN SysInit */
  88.         HAL_SYSTICK_Config(SystemCoreClock/1000000U);
  89.   /* USER CODE END SysInit */

  91.   /* Initialize all configured peripherals */
  92.   MX_GPIO_Init();

  94.   /* USER CODE BEGIN 2 */
  95.         myDelay = 310;
  96.   /* USER CODE END 2 */

  98.   /* Infinite loop */
  99.   /* USER CODE BEGIN WHILE */
  100.   while (1)
  101.   {
  102.   /* USER CODE END WHILE */

  104.   /* USER CODE BEGIN 3 */

  106.                 while(HAL_GPIO_ReadPin(GPIOB,GPIO_PIN_12))
  107.                 {
  108.           HAL_GPIO_TogglePin(GPIOA,GPIO_PIN_2);
  109.                 HAL_Delay(myDelay);
  110.                 }
  111.           HAL_GPIO_TogglePin(GPIOC,GPIO_PIN_13);
  112.                 HAL_Delay(20000);
  113.   }
  114.   /* USER CODE END 3 */

  116. }

  118. /** System Clock Configuration
  119. */
  120. void SystemClock_Config(void)
  121. {

  123.   RCC_OscInitTypeDef RCC_OscInitStruct;
  124.   RCC_ClkInitTypeDef RCC_ClkInitStruct;

  126.     /**Initializes the CPU, AHB and APB busses clocks
  127.     */
  128.   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  129.   RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  130.   RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  131.   RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  132.   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  133.   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  134.   RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
  135.   if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  136.   {
  137.     _Error_Handler(__FILE__, __LINE__);
  138.   }

  140.     /**Initializes the CPU, AHB and APB busses clocks
  141.     */
  142.   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
  143.                               |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  144.   RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  145.   RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  146.   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  147.   RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  149.   if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  150.   {
  151.     _Error_Handler(__FILE__, __LINE__);
  152.   }

  154.     /**Configure the Systick interrupt time
  155.     */
  156.   HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);

  158.     /**Configure the Systick
  159.     */
  160.   HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);

  162.   /* SysTick_IRQn interrupt configuration */
  163.   HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
  164. }

  166. /** Configure pins as
  167.         * Analog
  168.         * Input
  169.         * Output
  170.         * EVENT_OUT
  171.         * EXTI
  172. */
  173. static void MX_GPIO_Init(void)
  174. {

  176.   GPIO_InitTypeDef GPIO_InitStruct;

  178.   /* GPIO Ports Clock Enable */
  179.   __HAL_RCC_GPIOC_CLK_ENABLE();
  180.   __HAL_RCC_GPIOD_CLK_ENABLE();
  181.   __HAL_RCC_GPIOA_CLK_ENABLE();
  182.   __HAL_RCC_GPIOB_CLK_ENABLE();

  184.   /*Configure GPIO pin Output Level */
  185.   HAL_GPIO_WritePin(led_GPIO_Port, led_Pin, GPIO_PIN_RESET);

  187.   /*Configure GPIO pin Output Level */
  188.   HAL_GPIO_WritePin(buzzer_GPIO_Port, buzzer_Pin, GPIO_PIN_RESET);

  190.   /*Configure GPIO pin : led_Pin */
  191.   GPIO_InitStruct.Pin = led_Pin;
  192.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  193.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
  194.   HAL_GPIO_Init(led_GPIO_Port, &GPIO_InitStruct);

  196.   /*Configure GPIO pin : buzzer_Pin */
  197.   GPIO_InitStruct.Pin = buzzer_Pin;
  198.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  199.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
  200.   HAL_GPIO_Init(buzzer_GPIO_Port, &GPIO_InitStruct);

  202.   /*Configure GPIO pin : PB12 */
  203.   GPIO_InitStruct.Pin = GPIO_PIN_12;
  204.   GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
  205.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  206.   HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

  208.   /*Configure GPIO pin : PB13 */
  209.   GPIO_InitStruct.Pin = GPIO_PIN_13;
  210.   GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
  211.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  212.   HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

  214.   /* EXTI interrupt init*/
  215.   HAL_NVIC_SetPriority(EXTI15_10_IRQn, 0, 0);
  216.   HAL_NVIC_EnableIRQ(EXTI15_10_IRQn);

  218. }

  220. /* USER CODE BEGIN 4 */

  222. /* USER CODE END 4 */

  224. /**
  225.   * @brief  This function is executed in case of error occurrence.
  226.   * @param  None
  227.   * @retval None
  228.   */
  229. void _Error_Handler(char * file, int line)
  230. {
  231.   /* USER CODE BEGIN Error_Handler_Debug */
  232.   /* User can add his own implementation to report the HAL error return state */
  233.   while(1)
  234.   {
  235.   }
  236.   /* USER CODE END Error_Handler_Debug */
  237. }

  239. ……………………

  241. …………限于本文篇幅 余下代码请从51黑下载附件…………
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所有资料51hei提供下载:
step2_buzzer.rar (5.15 MB, 下载次数: 5)


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ID:1 发表于 2018-5-17 01:47 | 只看该作者
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