STM32H7的HRTIM Fault故障保护功能，可在输出故障时禁止输出

eric2013

说明：

支持5路Fault输入：




下面是官方提供的一个参考配置：
主要是通过函数HAL_HRTIM_WaveformOutputConfig设置。

1. /* Private typedef -----------------------------------------------------------*/
   
2. /* Private define ------------------------------------------------------------*/
   
3. #define HRTIM_TIMA_PERIOD  0xFFFF
   
4. 
   
5. /* Private macro -------------------------------------------------------------*/
   
6. /* Private variables ---------------------------------------------------------*/
   
7. /* Timer handler declaration */
   
8. HRTIM_HandleTypeDef                 HrtimHandle;
   
9. 
   
10. HRTIM_TimeBaseCfgTypeDef            sConfig_time_base;
    
11. HRTIM_TimerCfgTypeDef               sConfig_timerA;
    
12. HRTIM_OutputCfgTypeDef              sConfig_output_config;
    
13. HRTIM_CompareCfgTypeDef             sConfig_compare;
    
14. HRTIM_FaultCfgTypeDef               sConfig_fault2;
    
15. 
    
16. /* Private function prototypes -----------------------------------------------*/
    
17. static void SystemClock_Config(void);
    
18. static void Error_Handler(void);
    
19. static void CPU_CACHE_Enable(void);
    
20. 
    
21. /* Private functions ---------------------------------------------------------*/
    
22. 
    
23. /**
    
24.   * @brief  Main program
    
25.   * @param  None
    
26.   * @retval None
    
27.   */
    
28. int main(void)
    
29. {
    
30. 
    
31.   /* Enable the CPU Cache */
    
32.   CPU_CACHE_Enable();
    
33. 
    
34.   /* STM32H7xx HAL library initialization:
    
35.        - Configure the Systick to generate an interrupt each 1 msec
    
36.        - Set NVIC Group Priority to 4
    
37.        - Low Level Initialization
    
38.   */
    
39.   HAL_Init();
    
40. 
    
41.   /* Configure the system clock to 400 MHz */
    
42.   SystemClock_Config();
    
43. 
    
44.   /*##-1- Configure the HRTIM peripheral ######################################################*/
    
45.   /* Initialize the HRTIM structure */
    
46.   HrtimHandle.Instance = HRTIM1;
    
47.   HrtimHandle.Init.HRTIMInterruptResquests = HRTIM_IT_NONE;
    
48.   HrtimHandle.Init.SyncOptions = HRTIM_SYNCOPTION_NONE;
    
49. 
    
50.   HAL_HRTIM_Init(&HrtimHandle);
    
51. 
    
52.   /*##-2- Configure the HRTIM TIMA PWM channels 1 & 2 #########################################*/
    
53.   sConfig_time_base.Mode = HRTIM_MODE_CONTINUOUS;
    
54.   sConfig_time_base.Period = HRTIM_TIMA_PERIOD;
    
55.   sConfig_time_base.PrescalerRatio = HRTIM_PRESCALERRATIO_DIV1;
    
56.   sConfig_time_base.RepetitionCounter = 0;
    
57.          
    
58.   HAL_HRTIM_TimeBaseConfig(&HrtimHandle, HRTIM_TIMERINDEX_TIMER_A, &sConfig_time_base);
    
59. 
    
60.   sConfig_timerA.DMARequests = HRTIM_TIM_DMA_NONE;
    
61.   sConfig_timerA.HalfModeEnable = HRTIM_HALFMODE_DISABLED;
    
62.   sConfig_timerA.StartOnSync = HRTIM_SYNCSTART_DISABLED;
    
63.   sConfig_timerA.ResetOnSync = HRTIM_SYNCRESET_DISABLED;
    
64.   sConfig_timerA.DACSynchro = HRTIM_DACSYNC_NONE;
    
65.   sConfig_timerA.PreloadEnable = HRTIM_PRELOAD_ENABLED;
    
66.   sConfig_timerA.UpdateGating = HRTIM_UPDATEGATING_INDEPENDENT;
    
67.   sConfig_timerA.BurstMode = HRTIM_TIMERBURSTMODE_MAINTAINCLOCK;
    
68.   sConfig_timerA.RepetitionUpdate = HRTIM_UPDATEONREPETITION_ENABLED;
    
69.   sConfig_timerA.ResetUpdate = HRTIM_TIMUPDATEONRESET_DISABLED;
    
70.   sConfig_timerA.InterruptRequests = HRTIM_TIM_IT_NONE;
    
71.   sConfig_timerA.PushPull = HRTIM_TIMPUSHPULLMODE_DISABLED;
    
72.   sConfig_timerA.FaultEnable = HRTIM_TIMFAULTENABLE_FAULT2;
    
73.   sConfig_timerA.FaultLock = HRTIM_TIMFAULTLOCK_READWRITE;
    
74.   sConfig_timerA.DeadTimeInsertion = HRTIM_TIMDEADTIMEINSERTION_DISABLED;
    
75.   sConfig_timerA.DelayedProtectionMode = HRTIM_TIMER_A_B_C_DELAYEDPROTECTION_DISABLED;
    
76.   sConfig_timerA.UpdateTrigger= HRTIM_TIMUPDATETRIGGER_NONE;
    
77.   sConfig_timerA.ResetTrigger = HRTIM_TIMRESETTRIGGER_NONE;
    
78. 
    
79.   HAL_HRTIM_WaveformTimerConfig(&HrtimHandle, HRTIM_TIMERINDEX_TIMER_A,&sConfig_timerA);
    
80. 
    
81.   sConfig_compare.AutoDelayedMode = HRTIM_AUTODELAYEDMODE_REGULAR;
    
82.   sConfig_compare.AutoDelayedTimeout = 0;
    
83.   sConfig_compare.CompareValue = HRTIM_TIMA_PERIOD/2;
    
84. 
    
85.   HAL_HRTIM_WaveformCompareConfig(&HrtimHandle, HRTIM_TIMERINDEX_TIMER_A, HRTIM_COMPAREUNIT_1, &sConfig_compare);
    
86. 
    
87.   sConfig_compare.CompareValue = HRTIM_TIMA_PERIOD/4;
    
88.   HAL_HRTIM_WaveformCompareConfig(&HrtimHandle, HRTIM_TIMERINDEX_TIMER_A, HRTIM_COMPAREUNIT_2, &sConfig_compare);
    
89. 
    
90.   sConfig_output_config.Polarity = HRTIM_OUTPUTPOLARITY_HIGH;
    
91.   sConfig_output_config.SetSource = HRTIM_OUTPUTSET_TIMPER;
    
92.   sConfig_output_config.ResetSource = HRTIM_OUTPUTRESET_TIMCMP1;
    
93.   sConfig_output_config.IdleMode = HRTIM_OUTPUTIDLEMODE_NONE;
    
94.   sConfig_output_config.IdleLevel = HRTIM_OUTPUTIDLELEVEL_INACTIVE;
    
95.   sConfig_output_config.FaultLevel = HRTIM_OUTPUTFAULTLEVEL_INACTIVE;
    
96.   sConfig_output_config.ChopperModeEnable = HRTIM_OUTPUTCHOPPERMODE_DISABLED;
    
97.   sConfig_output_config.BurstModeEntryDelayed = HRTIM_OUTPUTBURSTMODEENTRY_REGULAR;
    
98. 
    
99.   HAL_HRTIM_WaveformOutputConfig(&HrtimHandle, HRTIM_TIMERINDEX_TIMER_A, HRTIM_OUTPUT_TA1, &sConfig_output_config);
    
100. 
     
101.   sConfig_output_config.ResetSource = HRTIM_OUTPUTRESET_TIMPER;
     
102.   sConfig_output_config.SetSource = HRTIM_OUTPUTSET_TIMCMP2;
     
103. 
     
104.   HAL_HRTIM_WaveformOutputConfig(&HrtimHandle, HRTIM_TIMERINDEX_TIMER_A, HRTIM_OUTPUT_TA2, &sConfig_output_config);
     
105. 
     
106.   /*##-3- Fault Event configuration   #########################################################*/
     
107. /* Fault conditionning configuration */
     
108.   sConfig_fault2.Source = HRTIM_FAULTSOURCE_DIGITALINPUT;
     
109.   sConfig_fault2.Polarity = HRTIM_FAULTPOLARITY_HIGH;
     
110.   sConfig_fault2.Filter = HRTIM_FAULTFILTER_NONE;
     
111.   sConfig_fault2.Lock = HRTIM_FAULTLOCK_READWRITE;
     
112.   
     
113.   HAL_HRTIM_FaultPrescalerConfig(&HrtimHandle, HRTIM_FAULTPRESCALER_DIV1);
     
114.   
     
115.   HAL_HRTIM_FaultConfig(&HrtimHandle, HRTIM_FAULT_2, &sConfig_fault2);
     
116.   
     
117.   /* Enable Fault2 input */
     
118.   HAL_HRTIM_FaultModeCtl(&HrtimHandle, HRTIM_FAULT_2, HRTIM_FAULTMODECTL_ENABLED);
     
119. 
     
120.   /*##-4- Start PWM signals generation ########################################################*/
     
121.   if (HAL_HRTIM_WaveformOutputStart(&HrtimHandle, HRTIM_OUTPUT_TA1 + HRTIM_OUTPUT_TA2) != HAL_OK)
     
122.   {
     
123.     /* PWM Generation Error */
     
124.     Error_Handler();
     
125.   }
     
126. 
     
127. /*##-5- Start HRTIM counter ###################################################################*/
     
128.   if (HAL_HRTIM_WaveformCounterStart(&HrtimHandle, HRTIM_TIMERID_TIMER_A) != HAL_OK)
     
129.   {
     
130.     /* PWM Generation Error */
     
131.     Error_Handler();
     
132.   }
     
133.   /* Infinite loop */
     
134.   while (1)
     
135.   {
     
136.   }
     
137. }

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