STM32CUBEMX如何用TIM1生成PWM波

chenbingjy

先上图

代码：

1. static void MX_TIM1_Init(void)
   
2. {
   
3. 
   
4.   /* USER CODE BEGIN TIM1_Init 0 */
   
5. 
   
6.   /* USER CODE END TIM1_Init 0 */
   
7. 
   
8.   TIM_SlaveConfigTypeDef sSlaveConfig = {0};
   
9.   TIM_MasterConfigTypeDef sMasterConfig = {0};
   
10.   TIM_OC_InitTypeDef sConfigOC = {0};
    
11.   TIM_BreakDeadTimeConfigTypeDef sBreakDeadTimeConfig = {0};
    
12. 
    
13.   /* USER CODE BEGIN TIM1_Init 1 */
    
14. 
    
15.   /* USER CODE END TIM1_Init 1 */
    
16.   htim1.Instance = TIM1;
    
17.   htim1.Init.Prescaler = 0;
    
18.   htim1.Init.CounterMode = TIM_COUNTERMODE_UP;
    
19.   htim1.Init.Period = 65535;
    
20.   htim1.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
    
21.   htim1.Init.RepetitionCounter = 0;
    
22.   htim1.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
    
23.   if (HAL_TIM_Base_Init(&htim1) != HAL_OK)
    
24.   {
    
25.     Error_Handler();
    
26.   }
    
27.   if (HAL_TIM_PWM_Init(&htim1) != HAL_OK)
    
28.   {
    
29.     Error_Handler();
    
30.   }
    
31.   sSlaveConfig.SlaveMode = TIM_SLAVEMODE_EXTERNAL1;
    
32.   sSlaveConfig.InputTrigger = TIM_TS_ITR0;
    
33.   if (HAL_TIM_SlaveConfigSynchro(&htim1, &sSlaveConfig) != HAL_OK)
    
34.   {
    
35.     Error_Handler();
    
36.   }
    
37.   sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
    
38.   sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
    
39.   if (HAL_TIMEx_MasterConfigSynchronization(&htim1, &sMasterConfig) != HAL_OK)
    
40.   {
    
41.     Error_Handler();
    
42.   }
    
43.   sConfigOC.OCMode = TIM_OCMODE_PWM1;
    
44.   sConfigOC.Pulse = 10000;
    
45.   sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
    
46.   sConfigOC.OCNPolarity = TIM_OCNPOLARITY_HIGH;
    
47.   sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
    
48.   sConfigOC.OCIdleState = TIM_OCIDLESTATE_RESET;
    
49.   sConfigOC.OCNIdleState = TIM_OCNIDLESTATE_RESET;
    
50.   if (HAL_TIM_PWM_ConfigChannel(&htim1, &sConfigOC, TIM_CHANNEL_1) != HAL_OK)
    
51.   {
    
52.     Error_Handler();
    
53.   }
    
54.   sBreakDeadTimeConfig.OffStateRunMode = TIM_OSSR_DISABLE;
    
55.   sBreakDeadTimeConfig.OffStateIDLEMode = TIM_OSSI_DISABLE;
    
56.   sBreakDeadTimeConfig.LockLevel = TIM_LOCKLEVEL_OFF;
    
57.   sBreakDeadTimeConfig.DeadTime = 0;
    
58.   sBreakDeadTimeConfig.BreakState = TIM_BREAK_DISABLE;
    
59.   sBreakDeadTimeConfig.BreakPolarity = TIM_BREAKPOLARITY_HIGH;
    
60.   sBreakDeadTimeConfig.AutomaticOutput = TIM_AUTOMATICOUTPUT_DISABLE;
    
61.   if (HAL_TIMEx_ConfigBreakDeadTime(&htim1, &sBreakDeadTimeConfig) != HAL_OK)
    
62.   {
    
63.     Error_Handler();
    
64.   }
    
65.   /* USER CODE BEGIN TIM1_Init 2 */
    
66. 
    
67.   /* USER CODE END TIM1_Init 2 */
    
68.   HAL_TIM_MspPostInit(&htim1);
    
69. 
    
70. }
    
71. static void MX_GPIO_Init(void)
    
72. {
    
73.   GPIO_InitTypeDef GPIO_InitStruct = {0};
    
74. /* USER CODE BEGIN MX_GPIO_Init_1 */
    
75. /* USER CODE END MX_GPIO_Init_1 */
    
76. 
    
77.   /* GPIO Ports Clock Enable */
    
78.   __HAL_RCC_GPIOC_CLK_ENABLE();
    
79.   __HAL_RCC_GPIOH_CLK_ENABLE();
    
80.   __HAL_RCC_GPIOA_CLK_ENABLE();
    
81.   __HAL_RCC_GPIOB_CLK_ENABLE();
    
82. 
    
83.   /*Configure GPIO pin Output Level */
    
84.   HAL_GPIO_WritePin(GPIOB, GPIO_PIN_3, GPIO_PIN_RESET);
    
85. 
    
86.   /*Configure GPIO pin : PB3 */
    
87.   GPIO_InitStruct.Pin = GPIO_PIN_3;
    
88.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
    
89.   GPIO_InitStruct.Pull = GPIO_NOPULL;
    
90.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    
91.   HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
    
92. 
    
93.         GPIO_InitStruct.Pin = GPIO_PIN_8;
    
94.   GPIO_InitStruct.Mode = GPIO_MODE_AF_PP ;
    
95.   GPIO_InitStruct.Pull = GPIO_NOPULL;
    
96.   GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    
97.   HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
    
98. /* USER CODE BEGIN MX_GPIO_Init_2 */
    
99. /* USER CODE END MX_GPIO_Init_2 */
    
100. }
     

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可是无法生成PWM波。请高手指教，谢谢

A571157242

https://www.waveshare.net/study/article-643-1.html   参考下这个

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