本帖最后由 lhc960818 于 2019-6-3 20:10 编辑

本次测评是通过uFun硬件平台，触碰触摸按键切换RGB灯的颜色
准备工作：
1.JTAG转接板，JTAG，uFun开发板
微信图片_20190603195756.jpg
2.开发环境使用的是MDK5（注：需要更改配置，不然程序不能down下去）
微信图片_20190603200051.png
微信图片_20190603200053.png
使用STM32CubeMX生成底层，这里运用了PA0、PA1、PA2三个PWM RGB，同时定义了四个触摸按键的GPIO，KEY0、KEY1、KEY2、KEY3分别对应GPIOC5、GPIOC4、GPIOB3、GPIOB4
微信图片_20190603195653.png
通过读取GPIO的状态，显示灯的不同状态
  2. /**
  3.   * @brief  The application entry point.
  4.   * @retval int
  5.   */
  6. int main(void)
  7. {
  8.   /* MCU Configuration--------------------------------------------------------*/
  10.   /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  11.   HAL_Init();
  13.   /* Configure the system clock */
  14.   SystemClock_Config();
  16.   /* Initialize all configured peripherals */
  17.   MX_GPIO_Init();
  18.   MX_TIM5_Init();
  20.   HAL_TIM_PWM_Start(&htim5,TIM_CHANNEL_1);
  21.   HAL_TIM_PWM_Start(&htim5,TIM_CHANNEL_2);
  22.   HAL_TIM_PWM_Start(&htim5,TIM_CHANNEL_3);
  23.   
  24.   /* Infinite loop */
  25.   /* USER CODE BEGIN WHILE */
  26.   while (1)
  27.   {
  28.     if(HAL_GPIO_ReadPin(GPIOC,GPIO_PIN_5) == GPIO_PIN_SET)
  29.     {
  30.         uFUN_RGB(255,0,0);        
  31.     }
  32.     else if(HAL_GPIO_ReadPin(GPIOC,GPIO_PIN_4) == GPIO_PIN_SET)
  33.     {
  34.         uFUN_RGB(0,255,0);        
  35.     }
  36.     else if(HAL_GPIO_ReadPin(GPIOB,GPIO_PIN_3) == GPIO_PIN_SET)
  37.     {
  38.         uFUN_RGB(0,0,255);        
  39.     }
  40.     else if(HAL_GPIO_ReadPin(GPIOB,GPIO_PIN_4) == GPIO_PIN_SET)
  41.     {
  42.         uFUN_RGB(10,10,10);        
  43.     }
  44.   }
  45. }
  47. /**
  48.   * @brief System Clock Configuration
  49.   * @retval None
  50.   */
  51. void SystemClock_Config(void)
  52. {
  53.   RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  54.   RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  56.   /** Initializes the CPU, AHB and APB busses clocks
  57.   */
  58.   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  59.   RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  60.   RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  61.   RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  62.   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  63.   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  64.   RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6;
  65.   if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  66.   {
  67.     Error_Handler();
  68.   }
  69.   /** Initializes the CPU, AHB and APB busses clocks
  70.   */
  71.   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
  72.                               |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  73.   RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  74.   RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  75.   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  76.   RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
  78.   if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  79.   {
  80.     Error_Handler();
  81.   }
  82. }
  84. /**
  85.   * @brief TIM5 Initialization Function
  86.   * @param None
  87.   * @retval None
  88.   */
  89. static void MX_TIM5_Init(void)
  90. {
  92.   /* USER CODE BEGIN TIM5_Init 0 */
  94.   /* USER CODE END TIM5_Init 0 */
  96.   TIM_MasterConfigTypeDef sMasterConfig = {0};
  97.   TIM_OC_InitTypeDef sConfigOC = {0};
  99.   /* USER CODE BEGIN TIM5_Init 1 */
  101.   /* USER CODE END TIM5_Init 1 */
  102.   htim5.Instance = TIM5;
  103.   htim5.Init.Prescaler = 0;
  104.   htim5.Init.CounterMode = TIM_COUNTERMODE_UP;
  105.   htim5.Init.Period = 255;
  106.   htim5.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
  107.   htim5.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_ENABLE;
  108.   if (HAL_TIM_PWM_Init(&htim5) != HAL_OK)
  109.   {
  110.     Error_Handler();
  111.   }
  112.   sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
  113.   sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
  114.   if (HAL_TIMEx_MasterConfigSynchronization(&htim5, &sMasterConfig) != HAL_OK)
  115.   {
  116.     Error_Handler();
  117.   }
  118.   sConfigOC.OCMode = TIM_OCMODE_PWM1;
  119.   sConfigOC.Pulse = 127;
  120.   sConfigOC.OCPolarity = TIM_OCPOLARITY_LOW;
  121.   sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
  122.   if (HAL_TIM_PWM_ConfigChannel(&htim5, &sConfigOC, TIM_CHANNEL_1) != HAL_OK)
  123.   {
  124.     Error_Handler();
  125.   }
  126.   if (HAL_TIM_PWM_ConfigChannel(&htim5, &sConfigOC, TIM_CHANNEL_2) != HAL_OK)
  127.   {
  128.     Error_Handler();
  129.   }
  130.   if (HAL_TIM_PWM_ConfigChannel(&htim5, &sConfigOC, TIM_CHANNEL_3) != HAL_OK)
  131.   {
  132.     Error_Handler();
  133.   }
  134.   /* USER CODE BEGIN TIM5_Init 2 */
  136.   /* USER CODE END TIM5_Init 2 */
  137.   HAL_TIM_MspPostInit(&htim5);
  139. }
  141. /**
  142.   * @brief GPIO Initialization Function
  143.   * @param None
  144.   * @retval None
  145.   */
  146. static void MX_GPIO_Init(void)
  147. {
  148.   GPIO_InitTypeDef GPIO_InitStruct = {0};
  150.   /* GPIO Ports Clock Enable */
  151.   __HAL_RCC_GPIOC_CLK_ENABLE();
  152.   __HAL_RCC_GPIOD_CLK_ENABLE();
  153.   __HAL_RCC_GPIOA_CLK_ENABLE();
  154.   __HAL_RCC_GPIOB_CLK_ENABLE();
  156.   /*Configure GPIO pins : KEY1_Pin KEY0_Pin */
  157.   GPIO_InitStruct.Pin = KEY1_Pin|KEY0_Pin;
  158.   GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
  159.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  160.   HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
  162.   /*Configure GPIO pins : KEY2_Pin KEY3_Pin */
  163.   GPIO_InitStruct.Pin = KEY2_Pin|KEY3_Pin;
  164.   GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
  165.   GPIO_InitStruct.Pull = GPIO_NOPULL;
  166.   HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
  168. }

触摸按键控制RGB灯.rar (1.24 MB, 下载次数: 0)
举报
内容系网友发布，其中涉及到安全隐患的内容系网友个人行为，不代表面包板社区观点
请点击举报理由
关闭 站长推荐上一条 /3 下一条
  • 返回顶部
工具栏