Dead time generation STM32F030K6

[franz2]

Posted on February 15, 2014 at 21:53

This software is not working with STM32F030K6 , but this sofware works with STM32F030R8. Prototype 1 used the discovery board. No we made a PCB with

STM32F030K6. And the code is not working anymore. Makes reset. If I don't call this routine, then the softtware is working also on STM32F030K6. But then we don't have the brushless sensorless functionality. Is any work arround possible. I have a 3 phase brushless motor. For the operation I need a very low cost non overlapping PWM unit. The software use only TIM1. So I can not understand why the software is not working with the smaller member STM32F030K6. (TIM15/16/17 is not used in this sample) ) **   ******************************************************************************   * @file    Spwm.c   * @author  MCD Application Team   * @version V1.0.0   * @date    16.1.2014   * @brief   Tim1 3 Phase PWM for block commutation sensorless   ******************************************************************************   *   *   ******************************************************************************   */ /* Includes ------------------------------------------------------------------*/ &sharpinclude ''pwm.h'' &sharpinclude ''stm32f0xx.h'' &sharpinclude ''stm32f0xx_tim.h'' //&sharpinclude ''stm32f0xx_gpio.h'' //&sharpinclude ''stm32f0xx_rcc.h'' /* Private variables ---------------------------------------------------------*/ //uint16_t Channel1Pulse = 0, Channel2Pulse = 0, Channel3Pulse = 0; TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure; TIM_OCInitTypeDef  TIM_OCInitStructure; TIM_BDTRInitTypeDef TIM_BDTRInitStructure; uint16_t TimerPeriod = 0; //uint16_t Channel1Pulse = 0, Channel2Pulse = 0, Channel3Pulse = 0; /* Private function prototypes -----------------------------------------------*/ /**   * @brief  Main program.   * @param  None   * @retval None   */ void Complementary_signals(void) {     &sharpdefine PWM_FREQ 100000       TimerPeriod = (SystemCoreClock / PWM_FREQ);  //16kHz TimerPeriod = 3000   TIM_TimeBaseStructInit(&TIM_TimeBaseStructure);   /* Time Base configuration */   TIM_TimeBaseStructure.TIM_Prescaler = 0;   TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;   TIM_TimeBaseStructure.TIM_Period = TimerPeriod;   TIM_TimeBaseStructure.TIM_ClockDivision = 0;   TIM_TimeBaseStructure.TIM_RepetitionCounter = 0;   TIM_TimeBaseInit(TIM1, &TIM_TimeBaseStructure);   /* Channel 1, 2 and 3 Configuration in PWM mode */   TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2;   TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;   TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable;   TIM_OCInitStructure.TIM_Pulse = 0;   TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;   TIM_OCInitStructure.TIM_OCNPolarity = TIM_OCNPolarity_High;   TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Set;   TIM_OCInitStructure.TIM_OCNIdleState = TIM_OCIdleState_Reset;   TIM_OC1Init(TIM1, &TIM_OCInitStructure);   TIM_OCInitStructure.TIM_Pulse = 0;   TIM_OC2Init(TIM1, &TIM_OCInitStructure);   TIM_OCInitStructure.TIM_Pulse = 0;   TIM_OC3Init(TIM1, &TIM_OCInitStructure);   /* Automatic Output enable, Break, dead time and lock configuration*/   TIM_BDTRInitStructure.TIM_OSSRState = TIM_OSSRState_Enable;   TIM_BDTRInitStructure.TIM_OSSIState = TIM_OSSIState_Enable;   TIM_BDTRInitStructure.TIM_LOCKLevel = TIM_LOCKLevel_1;   TIM_BDTRInitStructure.TIM_DeadTime = 20;   TIM_BDTRInitStructure.TIM_Break = TIM_Break_Enable;   TIM_BDTRInitStructure.TIM_BreakPolarity = TIM_BreakPolarity_High;   TIM_BDTRInitStructure.TIM_AutomaticOutput = TIM_AutomaticOutput_Enable;   TIM_BDTRConfig(TIM1, &TIM_BDTRInitStructure);   /* TIM2 TRGO selection */    TIM_SelectOutputTrigger(TIM1, TIM_TRGOSource_Update); // ADC_ExternalTrigConv_T2_TRGO   /* TIM1 counter enable */   TIM_Cmd(TIM1, ENABLE);   /* Main Output Enable */   TIM_CtrlPWMOutputs(TIM1, ENABLE); } Franz #stm32f030k6-dead-time-with-tim1

[Tesla DeLorean]

Posted on February 16, 2014 at 00:24

It's physically resetting the part? Then you're going to have to look at the supplies, the power routing, bulk capacitance, and shorted pins.

[franz2]

Posted on February 17, 2014 at 21:18

Thank you. It was an hardware problem. Now it works.