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硬汉嵌入式论坛»首页 › 产品和服务 › STM32H7 › STM32H7的HRTIM波形模式使用，相比简单模式就复杂的多了
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[HRTIM] STM32H7的HRTIM波形模式使用，相比简单模式就复杂的多了

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eric2013

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发表于 2018-8-31 01:34:33 | 显示全部楼层 |阅读模式
说明：

同样是生成不同频率的波形，这种模式就要复杂的多，参数太多。

简单模式生成不同频率的帖子：
http://www.armbbs.cn/forum.php?m ... &extra=page%3D1


前两路波形效果：
QQ截图20180831013246.png


代码：

  1. /* Private typedef -----------------------------------------------------------*/
  2. /* Private define ------------------------------------------------------------*/
  3. #define HRTIM_TIMA_PERIOD  0xFFFF
  4. #define HRTIM_TIMB_PERIOD  0x1999
  5. #define HRTIM_TIMC_PERIOD  0x28F

  7. /* Private macro -------------------------------------------------------------*/
  8. /* Private variables ---------------------------------------------------------*/
  9. /* Timer handler declaration */
  10. HRTIM_HandleTypeDef                 HrtimHandle;

  12. HRTIM_TimeBaseCfgTypeDef            sConfig_time_base;
  13. HRTIM_TimerCfgTypeDef               sConfig_timerA;
  14. HRTIM_TimerCfgTypeDef               sConfig_timerB;
  15. HRTIM_TimerCfgTypeDef               sConfig_timerC;
  16. HRTIM_OutputCfgTypeDef              sConfig_output_config;
  17. HRTIM_CompareCfgTypeDef             sConfig_compare;
  18.        
  19. /* Private function prototypes -----------------------------------------------*/
  20. static void SystemClock_Config(void);
  21. static void Error_Handler(void);
  22. static void CPU_CACHE_Enable(void);

  24. /* Private functions ---------------------------------------------------------*/

  26. /**
  27.   * @brief  Main program
  28.   * @param  None
  29.   * @retval None
  30.   */
  31. int main(void)
  32. {

  34.   /* Enable the CPU Cache */
  35.   CPU_CACHE_Enable();

  37.   /* STM32H7xx HAL library initialization:
  38.        - Configure the Systick to generate an interrupt each 1 msec
  39.        - Set NVIC Group Priority to 4
  40.        - Low Level Initialization
  41.   */
  42.   HAL_Init();

  44.   /* Configure the system clock to 400 MHz */
  45.   SystemClock_Config();

  47.   /*##-1- Configure the HRTIM peripheral ######################################################*/
  48.   /* Initialize the HRTIM structure */
  49.   HrtimHandle.Instance = HRTIM1;
  50.   HrtimHandle.Init.HRTIMInterruptResquests = HRTIM_IT_NONE;
  51.   HrtimHandle.Init.SyncOptions = HRTIM_SYNCOPTION_NONE;

  53.   HAL_HRTIM_Init(&HrtimHandle);
  54.        
  55.   /*##-2- Configure the HRTIM TIMA PWM channels 1 & 2 #########################################*/
  56.   sConfig_time_base.Mode = HRTIM_MODE_CONTINUOUS;
  57.   sConfig_time_base.Period = HRTIM_TIMA_PERIOD;
  58.   sConfig_time_base.PrescalerRatio = HRTIM_PRESCALERRATIO_DIV1;
  59.   sConfig_time_base.RepetitionCounter = 0;
  60.          
  61.   HAL_HRTIM_TimeBaseConfig(&HrtimHandle, HRTIM_TIMERINDEX_TIMER_A, &sConfig_time_base);

  63.   sConfig_timerA.DMARequests = HRTIM_TIM_DMA_NONE;
  64.   sConfig_timerA.HalfModeEnable = HRTIM_HALFMODE_DISABLED;
  65.   sConfig_timerA.StartOnSync = HRTIM_SYNCSTART_DISABLED;
  66.   sConfig_timerA.ResetOnSync = HRTIM_SYNCRESET_DISABLED;
  67.   sConfig_timerA.DACSynchro = HRTIM_DACSYNC_NONE;
  68.   sConfig_timerA.PreloadEnable = HRTIM_PRELOAD_ENABLED;
  69.   sConfig_timerA.UpdateGating = HRTIM_UPDATEGATING_INDEPENDENT;
  70.   sConfig_timerA.BurstMode = HRTIM_TIMERBURSTMODE_MAINTAINCLOCK;
  71.   sConfig_timerA.RepetitionUpdate = HRTIM_UPDATEONREPETITION_ENABLED;
  72.   sConfig_timerA.ResetUpdate = HRTIM_TIMUPDATEONRESET_DISABLED;
  73.   sConfig_timerA.InterruptRequests = HRTIM_TIM_IT_NONE;
  74.   sConfig_timerA.PushPull = HRTIM_TIMPUSHPULLMODE_DISABLED;
  75.   sConfig_timerA.FaultEnable = HRTIM_TIMFAULTENABLE_NONE;
  76.   sConfig_timerA.FaultLock = HRTIM_TIMFAULTLOCK_READWRITE;
  77.   sConfig_timerA.DeadTimeInsertion = HRTIM_TIMDEADTIMEINSERTION_DISABLED;
  78.   sConfig_timerA.DelayedProtectionMode = HRTIM_TIMER_A_B_C_DELAYEDPROTECTION_DISABLED;
  79.   sConfig_timerA.UpdateTrigger= HRTIM_TIMUPDATETRIGGER_NONE;
  80.   sConfig_timerA.ResetTrigger = HRTIM_TIMRESETTRIGGER_NONE;
  81.        
  82.   HAL_HRTIM_WaveformTimerConfig(&HrtimHandle, HRTIM_TIMERINDEX_TIMER_A,&sConfig_timerA);
  83.        
  84.   sConfig_compare.AutoDelayedMode = HRTIM_AUTODELAYEDMODE_REGULAR;
  85.   sConfig_compare.AutoDelayedTimeout = 0;
  86.   sConfig_compare.CompareValue = HRTIM_TIMA_PERIOD/2;
  87.        
  88.   HAL_HRTIM_WaveformCompareConfig(&HrtimHandle, HRTIM_TIMERINDEX_TIMER_A, HRTIM_COMPAREUNIT_1, &sConfig_compare);
  89.        
  90.   sConfig_compare.CompareValue = HRTIM_TIMA_PERIOD/4;
  91.   HAL_HRTIM_WaveformCompareConfig(&HrtimHandle, HRTIM_TIMERINDEX_TIMER_A, HRTIM_COMPAREUNIT_2, &sConfig_compare);

  93.   sConfig_output_config.Polarity = HRTIM_OUTPUTPOLARITY_LOW;
  94.   sConfig_output_config.SetSource = HRTIM_OUTPUTRESET_TIMCMP1;
  95.   sConfig_output_config.ResetSource = HRTIM_OUTPUTSET_TIMPER;
  96.   sConfig_output_config.IdleMode = HRTIM_OUTPUTIDLEMODE_NONE;
  97.   sConfig_output_config.IdleLevel = HRTIM_OUTPUTIDLELEVEL_INACTIVE;
  98.   sConfig_output_config.FaultLevel = HRTIM_OUTPUTFAULTLEVEL_NONE;
  99.   sConfig_output_config.ChopperModeEnable = HRTIM_OUTPUTCHOPPERMODE_DISABLED;
  100.   sConfig_output_config.BurstModeEntryDelayed = HRTIM_OUTPUTBURSTMODEENTRY_REGULAR;
  101.   sConfig_output_config.ResetSource = HRTIM_OUTPUTRESET_TIMPER;
  102.   sConfig_output_config.SetSource = HRTIM_OUTPUTSET_TIMCMP1;
  103.        
  104.   HAL_HRTIM_WaveformOutputConfig(&HrtimHandle, HRTIM_TIMERINDEX_TIMER_A, HRTIM_OUTPUT_TA1, &sConfig_output_config);
  105.        
  106.   sConfig_output_config.SetSource = HRTIM_OUTPUTRESET_TIMCMP2;
  107.   HAL_HRTIM_WaveformOutputConfig(&HrtimHandle, HRTIM_TIMERINDEX_TIMER_A, HRTIM_OUTPUT_TA2, &sConfig_output_config);
  108.                  
  109.   /*##-3- Configure the HRTIM TIMB PWM channels 1 & 2 #########################################*/
  110.   sConfig_time_base.Mode = HRTIM_MODE_CONTINUOUS;
  111.   sConfig_time_base.Period = HRTIM_TIMB_PERIOD;
  112.   sConfig_time_base.PrescalerRatio = HRTIM_PRESCALERRATIO_DIV1;
  113.   sConfig_time_base.RepetitionCounter = 0;
  114.          
  115.   HAL_HRTIM_TimeBaseConfig(&HrtimHandle, HRTIM_TIMERINDEX_TIMER_B, &sConfig_time_base);         
  116.   
  117.   sConfig_timerB.DMARequests = HRTIM_TIM_DMA_NONE;
  118.   sConfig_timerB.HalfModeEnable = HRTIM_HALFMODE_DISABLED;
  119.   sConfig_timerB.StartOnSync = HRTIM_SYNCSTART_DISABLED;
  120.   sConfig_timerB.ResetOnSync = HRTIM_SYNCRESET_DISABLED;
  121.   sConfig_timerB.DACSynchro = HRTIM_DACSYNC_NONE;
  122.   sConfig_timerB.PreloadEnable = HRTIM_PRELOAD_ENABLED;
  123.   sConfig_timerB.UpdateGating = HRTIM_UPDATEGATING_INDEPENDENT;
  124.   sConfig_timerB.BurstMode = HRTIM_TIMERBURSTMODE_MAINTAINCLOCK;
  125.   sConfig_timerB.RepetitionUpdate = HRTIM_UPDATEONREPETITION_ENABLED;
  126.   sConfig_timerB.ResetUpdate = HRTIM_TIMUPDATEONRESET_DISABLED;
  127.   sConfig_timerB.InterruptRequests = HRTIM_TIM_IT_NONE;
  128.   sConfig_timerB.PushPull = HRTIM_TIMPUSHPULLMODE_DISABLED;
  129.   sConfig_timerB.FaultEnable = HRTIM_TIMFAULTENABLE_NONE;
  130.   sConfig_timerB.FaultLock = HRTIM_TIMFAULTLOCK_READWRITE;
  131.   sConfig_timerB.DeadTimeInsertion = HRTIM_TIMDEADTIMEINSERTION_DISABLED;
  132.   sConfig_timerB.DelayedProtectionMode = HRTIM_TIMER_A_B_C_DELAYEDPROTECTION_DISABLED;
  133.   sConfig_timerB.UpdateTrigger= HRTIM_TIMUPDATETRIGGER_NONE;
  134.   sConfig_timerB.ResetTrigger = HRTIM_TIMRESETTRIGGER_NONE;
  135.        
  136.   HAL_HRTIM_WaveformTimerConfig(&HrtimHandle, HRTIM_TIMERINDEX_TIMER_B,&sConfig_timerB);
  137.        
  138.   sConfig_compare.AutoDelayedMode = HRTIM_AUTODELAYEDMODE_REGULAR;
  139.   sConfig_compare.AutoDelayedTimeout = 0;
  140.   sConfig_compare.CompareValue = HRTIM_TIMB_PERIOD/2;
  141.        
  142.   HAL_HRTIM_WaveformCompareConfig(&HrtimHandle, HRTIM_TIMERINDEX_TIMER_B, HRTIM_COMPAREUNIT_1, &sConfig_compare);
  143.        
  144.   sConfig_compare.CompareValue = HRTIM_TIMB_PERIOD/4;
  145.   HAL_HRTIM_WaveformCompareConfig(&HrtimHandle, HRTIM_TIMERINDEX_TIMER_B, HRTIM_COMPAREUNIT_2, &sConfig_compare);

  147.   sConfig_output_config.Polarity = HRTIM_OUTPUTPOLARITY_LOW;
  148.   sConfig_output_config.SetSource = HRTIM_OUTPUTRESET_TIMCMP1;
  149.   sConfig_output_config.ResetSource = HRTIM_OUTPUTSET_TIMPER;
  150.   sConfig_output_config.IdleMode = HRTIM_OUTPUTIDLEMODE_NONE;
  151.   sConfig_output_config.IdleLevel = HRTIM_OUTPUTIDLELEVEL_INACTIVE;
  152.   sConfig_output_config.FaultLevel = HRTIM_OUTPUTFAULTLEVEL_NONE;
  153.   sConfig_output_config.ChopperModeEnable = HRTIM_OUTPUTCHOPPERMODE_DISABLED;
  154.   sConfig_output_config.BurstModeEntryDelayed = HRTIM_OUTPUTBURSTMODEENTRY_REGULAR;
  155.        
  156.   HAL_HRTIM_WaveformOutputConfig(&HrtimHandle, HRTIM_TIMERINDEX_TIMER_B, HRTIM_OUTPUT_TB1, &sConfig_output_config);
  157.        
  158.   sConfig_output_config.SetSource = HRTIM_OUTPUTRESET_TIMCMP2;
  159.   HAL_HRTIM_WaveformOutputConfig(&HrtimHandle, HRTIM_TIMERINDEX_TIMER_B, HRTIM_OUTPUT_TB2, &sConfig_output_config);
  160.   
  161.        
  162.   /*##-4- Configure the HRTIM TIMC PWM channels 1 & 2 #########################################*/
  163.   sConfig_time_base.Mode = HRTIM_MODE_CONTINUOUS;
  164.   sConfig_time_base.Period = HRTIM_TIMC_PERIOD;
  165.   sConfig_time_base.PrescalerRatio = HRTIM_PRESCALERRATIO_DIV1;
  166.   sConfig_time_base.RepetitionCounter = 0;
  167.          
  168.   HAL_HRTIM_TimeBaseConfig(&HrtimHandle, HRTIM_TIMERINDEX_TIMER_C, &sConfig_time_base);         
  169.          
  170.   sConfig_timerC.DMARequests = HRTIM_TIM_DMA_NONE;
  171.   sConfig_timerC.HalfModeEnable = HRTIM_HALFMODE_DISABLED;
  172.   sConfig_timerC.StartOnSync = HRTIM_SYNCSTART_DISABLED;
  173.   sConfig_timerC.ResetOnSync = HRTIM_SYNCRESET_DISABLED;
  174.   sConfig_timerC.DACSynchro = HRTIM_DACSYNC_NONE;
  175.   sConfig_timerC.PreloadEnable = HRTIM_PRELOAD_ENABLED;
  176.   sConfig_timerC.UpdateGating = HRTIM_UPDATEGATING_INDEPENDENT;
  177.   sConfig_timerC.BurstMode = HRTIM_TIMERBURSTMODE_MAINTAINCLOCK;
  178.   sConfig_timerC.RepetitionUpdate = HRTIM_UPDATEONREPETITION_ENABLED;
  179.   sConfig_timerC.ResetUpdate = HRTIM_TIMUPDATEONRESET_DISABLED;
  180.   sConfig_timerC.InterruptRequests = HRTIM_TIM_IT_NONE;
  181.   sConfig_timerC.PushPull = HRTIM_TIMPUSHPULLMODE_DISABLED;
  182.   sConfig_timerC.FaultEnable = HRTIM_TIMFAULTENABLE_NONE;
  183.   sConfig_timerC.FaultLock = HRTIM_TIMFAULTLOCK_READWRITE;
  184.   sConfig_timerC.DeadTimeInsertion = HRTIM_TIMDEADTIMEINSERTION_DISABLED;
  185.   sConfig_timerC.DelayedProtectionMode = HRTIM_TIMER_A_B_C_DELAYEDPROTECTION_DISABLED;
  186.   sConfig_timerC.UpdateTrigger= HRTIM_TIMUPDATETRIGGER_NONE;
  187.   sConfig_timerC.ResetTrigger = HRTIM_TIMRESETTRIGGER_NONE;
  188.        
  189.   HAL_HRTIM_WaveformTimerConfig(&HrtimHandle, HRTIM_TIMERINDEX_TIMER_C,&sConfig_timerC);
  190.        
  191.   sConfig_compare.AutoDelayedMode = HRTIM_AUTODELAYEDMODE_REGULAR;
  192.   sConfig_compare.AutoDelayedTimeout = 0;
  193.   sConfig_compare.CompareValue = HRTIM_TIMC_PERIOD/2;
  194.        
  195.   HAL_HRTIM_WaveformCompareConfig(&HrtimHandle, HRTIM_TIMERINDEX_TIMER_C, HRTIM_COMPAREUNIT_1, &sConfig_compare);
  196.        
  197.   sConfig_compare.CompareValue = HRTIM_TIMC_PERIOD/4;
  198.   HAL_HRTIM_WaveformCompareConfig(&HrtimHandle, HRTIM_TIMERINDEX_TIMER_C, HRTIM_COMPAREUNIT_2, &sConfig_compare);
  199.        
  200.   sConfig_output_config.Polarity = HRTIM_OUTPUTPOLARITY_LOW;
  201.   sConfig_output_config.SetSource = HRTIM_OUTPUTRESET_TIMCMP1;
  202.   sConfig_output_config.ResetSource = HRTIM_OUTPUTSET_TIMPER;
  203.   sConfig_output_config.IdleMode = HRTIM_OUTPUTIDLEMODE_NONE;
  204.   sConfig_output_config.IdleLevel = HRTIM_OUTPUTIDLELEVEL_INACTIVE;
  205.   sConfig_output_config.FaultLevel = HRTIM_OUTPUTFAULTLEVEL_NONE;
  206.   sConfig_output_config.ChopperModeEnable = HRTIM_OUTPUTCHOPPERMODE_DISABLED;
  207.   sConfig_output_config.BurstModeEntryDelayed = HRTIM_OUTPUTBURSTMODEENTRY_REGULAR;
  208.        
  209.   HAL_HRTIM_WaveformOutputConfig(&HrtimHandle, HRTIM_TIMERINDEX_TIMER_C, HRTIM_OUTPUT_TC1, &sConfig_output_config);
  210.        
  211.   sConfig_output_config.SetSource = HRTIM_OUTPUTRESET_TIMCMP2;
  212.   HAL_HRTIM_WaveformOutputConfig(&HrtimHandle, HRTIM_TIMERINDEX_TIMER_C, HRTIM_OUTPUT_TC2, &sConfig_output_config);
  213.                
  214.         /*##-7- Start PWM signals generation ########################################################*/
  215.   if (HAL_HRTIM_WaveformOutputStart(&HrtimHandle, HRTIM_OUTPUT_TA1 + HRTIM_OUTPUT_TA2
  216.                                                 + HRTIM_OUTPUT_TB1 + HRTIM_OUTPUT_TB2
  217.                                                 + HRTIM_OUTPUT_TC1 + HRTIM_OUTPUT_TC2) != HAL_OK)
  218.   {
  219.     /* PWM Generation Error */
  220.     Error_Handler();
  221.   }
  222.        
  223. /*##-8- Start HRTIM counter ###################################################################*/
  224.   if (HAL_HRTIM_WaveformCounterStart(&HrtimHandle, HRTIM_TIMERID_TIMER_A + HRTIM_TIMERID_TIMER_B + HRTIM_TIMERID_TIMER_C) != HAL_OK)
  225.   {
  226.     /* PWM Generation Error */
  227.     Error_Handler();
  228.   }       
  229.   /* Infinite loop */
  230.   while (1)
  231.   {
  232.   }
  233. }
复制代码




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