TIM_6Steps
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Outline
Includes
#include "main.h"
Private variables
uwStep
TimHandle
sConfig
sConfigBK
Private function prototypes
main()
HAL_TIMEx_CommutCallback(TIM_HandleTypeDef *)
Error_Handler()
SystemClock_Config()
Files
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SourceVuSTM32 Libraries and SamplesTIM_6StepsSrc/main.c
 
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/** ****************************************************************************** * @file TIM/TIM_6Steps/Src/main.c * @author MCD Application Team * @brief This example shows how to use TIM1 peripheral to generate 6 Steps. ****************************************************************************** * @attention * * Copyright (c) 2017 STMicroelectronics. * All rights reserved. * * This software is licensed under terms that can be found in the LICENSE file * in the root directory of this software component. * If no LICENSE file comes with this software, it is provided AS-IS. * ****************************************************************************** *//* ... */ /* Includes ------------------------------------------------------------------*/ #include "main.h" /** @addtogroup STM32F4xx_HAL_Examples * @{ *//* ... */ /** @addtogroup TIM_6Steps * @{ *//* ... */ Includes /* Private typedef -----------------------------------------------------------*/ /* Private define ------------------------------------------------------------*/ /* Private macro -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ /* Step Index */ __IO uint32_t uwStep = 0; /* Timer handler declaration */ TIM_HandleTypeDef TimHandle; /* Timer Output Compare Configuration Structure declaration */ TIM_OC_InitTypeDef sConfig; /* Timer Break Configuration Structure declaration */ TIM_BreakDeadTimeConfigTypeDef sConfigBK; Private variables /* Private function prototypes -----------------------------------------------*/ static void SystemClock_Config(void); static void Error_Handler(void); Private function prototypes /* Private functions ---------------------------------------------------------*/ /** * @brief Main program * @param None * @retval None *//* ... */ int main(void) { /* STM32F4xx HAL library initialization: - Configure the Flash prefetch, instruction and Data caches - Configure the Systick to generate an interrupt each 1 msec - Set NVIC Group Priority to 4 - Global MSP (MCU Support Package) initialization *//* ... */ HAL_Init(); /* Configure the system clock to 180 MHz */ SystemClock_Config(); /* Configure LED3 */ BSP_LED_Init(LED3); /*##-1- Configure the TIM peripheral #######################################*/ /* Initialize TIMx peripheral as follow: + Prescaler = 0 + Period = 4095 + ClockDivision = 0 + Counter direction = Up *//* ... */ TimHandle.Instance = TIM1; TimHandle.Init.Period = 4095; TimHandle.Init.Prescaler = 0; TimHandle.Init.ClockDivision = 0; TimHandle.Init.CounterMode = TIM_COUNTERMODE_UP; TimHandle.Init.RepetitionCounter = 0; TimHandle.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE; if(HAL_TIM_OC_Init(&TimHandle) != HAL_OK) { /* Initialization Error */ Error_Handler(); }if (HAL_TIM_OC_Init(&TimHandle) != HAL_OK) { ... } /*##-2- Configure the output channels ######################################*/ /* Common configuration for all channels */ sConfig.OCMode = TIM_OCMODE_TIMING; sConfig.OCPolarity = TIM_OCPOLARITY_HIGH; sConfig.OCNPolarity = TIM_OCNPOLARITY_HIGH; sConfig.OCIdleState = TIM_OCIDLESTATE_SET; sConfig.OCNIdleState = TIM_OCNIDLESTATE_SET; sConfig.OCFastMode = TIM_OCFAST_DISABLE; /* Set the pulse value for channel 1 */ sConfig.Pulse = 2047; if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_1) != HAL_OK) { /* Configuration Error */ Error_Handler(); }if (HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_1) != HAL_OK) { ... } /* Set the pulse value for channel 2 */ sConfig.Pulse = 1023; if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_2) != HAL_OK) { /* Configuration Error */ Error_Handler(); }if (HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_2) != HAL_OK) { ... } /* Set the pulse value for channel 3 */ sConfig.Pulse = 511; if(HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_3) != HAL_OK) { /* Configuration Error */ Error_Handler(); }if (HAL_TIM_OC_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_3) != HAL_OK) { ... } /*##-3- Configure the Break stage ##########################################*/ sConfigBK.OffStateRunMode = TIM_OSSR_ENABLE; sConfigBK.OffStateIDLEMode = TIM_OSSI_ENABLE; sConfigBK.LockLevel = TIM_LOCKLEVEL_OFF; sConfigBK.BreakState = TIM_BREAK_ENABLE; sConfigBK.BreakPolarity = TIM_BREAKPOLARITY_HIGH; sConfigBK.AutomaticOutput = TIM_AUTOMATICOUTPUT_ENABLE; sConfigBK.DeadTime = 1; if(HAL_TIMEx_ConfigBreakDeadTime(&TimHandle, &sConfigBK) != HAL_OK) { /* Configuration Error */ Error_Handler(); }if (HAL_TIMEx_ConfigBreakDeadTime(&TimHandle, &sConfigBK) != HAL_OK) { ... } /*##-4- Configure the commutation event: software event ####################*/ HAL_TIMEx_ConfigCommutationEvent_IT(&TimHandle, TIM_TS_NONE, TIM_COMMUTATION_SOFTWARE); /*##-5- Start signals generation ###########################################*/ /*--------------------------------------------------------------------------*/ /* Start channel 1 */ if(HAL_TIM_OC_Start(&TimHandle, TIM_CHANNEL_1) != HAL_OK) { /* Starting Error */ Error_Handler(); }if (HAL_TIM_OC_Start(&TimHandle, TIM_CHANNEL_1) != HAL_OK) { ... } /* Start channel 1N */ if(HAL_TIMEx_OCN_Start(&TimHandle, TIM_CHANNEL_1) != HAL_OK) { /* Starting Error */ Error_Handler(); }if (HAL_TIMEx_OCN_Start(&TimHandle, TIM_CHANNEL_1) != HAL_OK) { ... } /*--------------------------------------------------------------------------*/ /*--------------------------------------------------------------------------*/ /* Start channel 2 */ if(HAL_TIM_OC_Start(&TimHandle, TIM_CHANNEL_2) != HAL_OK) { /* Starting Error */ Error_Handler(); }if (HAL_TIM_OC_Start(&TimHandle, TIM_CHANNEL_2) != HAL_OK) { ... } /* Start channel 2N */ if(HAL_TIMEx_OCN_Start(&TimHandle, TIM_CHANNEL_2) != HAL_OK) { /* Starting Error */ Error_Handler(); }if (HAL_TIMEx_OCN_Start(&TimHandle, TIM_CHANNEL_2) != HAL_OK) { ... } /*--------------------------------------------------------------------------*/ /*--------------------------------------------------------------------------*/ /* Start channel 3 */ if(HAL_TIM_OC_Start(&TimHandle, TIM_CHANNEL_3) != HAL_OK) { /* Starting Error */ Error_Handler(); }if (HAL_TIM_OC_Start(&TimHandle, TIM_CHANNEL_3) != HAL_OK) { ... } /* Start channel 3N */ if(HAL_TIMEx_OCN_Start(&TimHandle, TIM_CHANNEL_3) != HAL_OK) { /* Starting Error */ Error_Handler(); }if (HAL_TIMEx_OCN_Start(&TimHandle, TIM_CHANNEL_3) != HAL_OK) { ... } /*--------------------------------------------------------------------------*/ /* Infinite loop */ while (1) { }while (1) { ... } }{ ... } /** * @brief Commutation event callback in non blocking mode * @param htim : Timer handle * @retval None *//* ... */ void HAL_TIMEx_CommutationCallback(TIM_HandleTypeDef *htim) { /* Entry state */ if (uwStep == 0) { /* Next step: Step 1 Configuration -------------------------------------- */ sConfig.OCMode = TIM_OCMODE_PWM1; HAL_TIM_PWM_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_1); HAL_TIM_PWM_Start(&TimHandle, TIM_CHANNEL_1); HAL_TIMEx_OCN_Stop(&TimHandle, TIM_CHANNEL_1); /* Channel3 configuration */ sConfig.OCMode = TIM_OCMODE_PWM1; HAL_TIM_PWM_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_3); HAL_TIMEx_OCN_Start(&TimHandle, TIM_CHANNEL_3); HAL_TIM_PWM_Stop(&TimHandle, TIM_CHANNEL_3); /* Channel2 configuration */ HAL_TIM_OC_Stop(&TimHandle, TIM_CHANNEL_2); HAL_TIMEx_OCN_Stop(&TimHandle, TIM_CHANNEL_2); uwStep = 1; }if (uwStep == 0) { ... } if (uwStep == 1) { /* Next step: Step 2 Configuration -------------------------------------- */ /* Channel1 configuration */ /* Same configuration as the previous step */ /* Channel2 configuration */ sConfig.OCMode = TIM_OCMODE_PWM1; HAL_TIM_PWM_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_2); HAL_TIMEx_OCN_Start(&TimHandle, TIM_CHANNEL_2); /* Channel3 configuration */ HAL_TIMEx_OCN_Stop(&TimHandle, TIM_CHANNEL_3); uwStep++; }if (uwStep == 1) { ... } else if (uwStep == 2) { /* Next step: Step 3 Configuration -------------------------------------- */ /* Channel2 configuration */ /* Same configuration as the previous step */ /* Channel3 configuration */ sConfig.OCMode = TIM_OCMODE_PWM1; HAL_TIM_PWM_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_3); HAL_TIM_PWM_Start(&TimHandle, TIM_CHANNEL_3); /* Channel1 configuration */ HAL_TIM_OC_Stop(&TimHandle, TIM_CHANNEL_1); uwStep++; }else if (uwStep == 2) { ... } else if (uwStep == 3) { /* Next step: Step 4 Configuration -------------------------------------- */ /* Channel3 configuration */ /* Same configuration as the previous step */ /* Channel2 configuration */ HAL_TIMEx_OCN_Stop(&TimHandle, TIM_CHANNEL_2); /* Channel1 configuration */ sConfig.OCMode = TIM_OCMODE_PWM1; HAL_TIM_PWM_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_1); HAL_TIMEx_OCN_Start(&TimHandle, TIM_CHANNEL_1); uwStep++; }else if (uwStep == 3) { ... } else if (uwStep == 4) { /* Next step: Step 5 Configuration -------------------------------------- */ /* Channel3 configuration */ HAL_TIM_OC_Stop(&TimHandle, TIM_CHANNEL_3); /* Channel1 configuration */ /* Same configuration as the previous step */ /* Channel2 configuration */ sConfig.OCMode = TIM_OCMODE_PWM1; HAL_TIM_PWM_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_2); HAL_TIM_PWM_Start(&TimHandle, TIM_CHANNEL_2); uwStep++; }else if (uwStep == 4) { ... } else if (uwStep == 5) { /* Next step: Step 6 Configuration -------------------------------------- */ /* Channel3 configuration */ sConfig.OCMode = TIM_OCMODE_PWM1; HAL_TIM_PWM_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_3); HAL_TIMEx_OCN_Start(&TimHandle, TIM_CHANNEL_3); /* Channel1 configuration */ HAL_TIMEx_OCN_Stop(&TimHandle, TIM_CHANNEL_1); /* Channel2 configuration */ /* Same configuration as the previous step */ uwStep++; }else if (uwStep == 5) { ... } else { /* Next step: Step 1 Configuration -------------------------------------- */ /* Channel1 configuration */ sConfig.OCMode = TIM_OCMODE_PWM1; HAL_TIM_PWM_ConfigChannel(&TimHandle, &sConfig, TIM_CHANNEL_1); HAL_TIM_PWM_Start(&TimHandle, TIM_CHANNEL_1); /* Channel3 configuration */ /* Same configuration as the previous step */ /* Channel2 configuration */ HAL_TIM_OC_Stop(&TimHandle, TIM_CHANNEL_2); uwStep = 1; }else { ... } }{ ... } /** * @brief This function is executed in case of error occurrence. * @param None * @retval None *//* ... */ static void Error_Handler(void) { /* Turn LED3 on */ BSP_LED_On(LED3); while(1) { }while (1) { ... } }{ ... } /** * @brief System Clock Configuration * The system Clock is configured as follow : * System Clock source = PLL (HSE) * SYSCLK(Hz) = 180000000 * HCLK(Hz) = 180000000 * AHB Prescaler = 1 * APB1 Prescaler = 4 * APB2 Prescaler = 2 * HSE Frequency(Hz) = 25000000 * PLL_M = 25 * PLL_N = 360 * PLL_P = 2 * PLL_Q = 7 * VDD(V) = 3.3 * Main regulator output voltage = Scale1 mode * Flash Latency(WS) = 5 * @param None * @retval None *//* ... */ static void SystemClock_Config(void) { RCC_ClkInitTypeDef RCC_ClkInitStruct; RCC_OscInitTypeDef RCC_OscInitStruct; /* Enable Power Control clock */ __HAL_RCC_PWR_CLK_ENABLE(); /* The voltage scaling allows optimizing the power consumption when the device is clocked below the maximum system frequency, to update the voltage scaling value regarding system frequency refer to product datasheet. *//* ... */ __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1); /* Enable HSE Oscillator and activate PLL with HSE as source */ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE; RCC_OscInitStruct.HSEState = RCC_HSE_ON; RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; RCC_OscInitStruct.PLL.PLLM = 25; RCC_OscInitStruct.PLL.PLLN = 360; RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2; RCC_OscInitStruct.PLL.PLLQ = 7; HAL_RCC_OscConfig(&RCC_OscInitStruct); /* Activate the Over-Drive mode */ HAL_PWREx_EnableOverDrive(); /* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2 clocks dividers *//* ... */ RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2); RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4; RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2; HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5); }{ ... } #ifdef USE_FULL_ASSERT /** * @brief Reports the name of the source file and the source line number * where the assert_param error has occurred. * @param file: pointer to the source file name * @param line: assert_param error line source number * @retval None *//* ... */ void assert_failed(uint8_t* file, uint32_t line) { /* User can add his own implementation to report the file name and line number, ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) *//* ... */ /* Infinite loop */ while (1) { }while (1) { ... } }assert_failed (uint8_t* file, uint32_t line) { ... } /* ... */#endif /** * @} *//* ... */ /** * @} *//* ... */
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