motor_ctl-3/User/Src/pwm_driver.c

#include "pwm_driver.h"

/**
  * @brief  启动PWM时钟.
  * @param  
  * @retval 
*/
void	Pwm_Timer_Start(void)
{
  HAL_TIM_Base_Start_IT(&PWM_TIMER);								//使能PWMtimer的updata中断
}	

/**
  * @brief  失能PWM定时器.
  * @param  
  * @retval 
*/
void	Pwm_Timer_Stop(void)
{
  HAL_TIM_PWM_Stop(&PWM_TIMER,TIM_CHANNEL_1);
	HAL_TIM_PWM_Stop(&PWM_TIMER,TIM_CHANNEL_2);
	HAL_TIM_PWM_Stop(&PWM_TIMER,TIM_CHANNEL_3);

	HAL_TIMEx_PWMN_Stop(&PWM_TIMER,TIM_CHANNEL_1);
	HAL_TIMEx_PWMN_Stop(&PWM_TIMER,TIM_CHANNEL_2);
	HAL_TIMEx_PWMN_Stop(&PWM_TIMER,TIM_CHANNEL_3);
}

/**
  * @brief  打开PWM输出.
  * @param  
  * @retval 
*/
void	Enable_Pwm_Output(void)
{
  HAL_TIM_PWM_Start(&PWM_TIMER,TIM_CHANNEL_1);
	HAL_TIM_PWM_Start(&PWM_TIMER,TIM_CHANNEL_2);
	HAL_TIM_PWM_Start(&PWM_TIMER,TIM_CHANNEL_3);
	HAL_TIM_PWM_Start(&PWM_TIMER,TIM_CHANNEL_4);
	
	HAL_TIMEx_PWMN_Start(&PWM_TIMER,TIM_CHANNEL_1);
	HAL_TIMEx_PWMN_Start(&PWM_TIMER,TIM_CHANNEL_2);
	HAL_TIMEx_PWMN_Start(&PWM_TIMER,TIM_CHANNEL_3);
	HAL_TIMEx_PWMN_Start(&PWM_TIMER,TIM_CHANNEL_4);
	
	Pwm_Timer_Start();
}

/**
  * @brief  关闭PWM输出.
  * @param  
  * @retval 
*/
void	Disable_Pwm_Output(void)
{
	HAL_TIM_PWM_Stop(&PWM_TIMER,TIM_CHANNEL_1);
	HAL_TIM_PWM_Stop(&PWM_TIMER,TIM_CHANNEL_2);
	HAL_TIM_PWM_Stop(&PWM_TIMER,TIM_CHANNEL_3);
	
	HAL_TIMEx_PWMN_Stop(&PWM_TIMER,TIM_CHANNEL_1);
	HAL_TIMEx_PWMN_Stop(&PWM_TIMER,TIM_CHANNEL_2);
	HAL_TIMEx_PWMN_Stop(&PWM_TIMER,TIM_CHANNEL_3);
	
	HAL_TIM_PWM_Start(&PWM_TIMER,TIM_CHANNEL_4);  

}

/**
  * @brief 设置PWM通道1的比较寄存器的值.
  * @param  
  * @retval 
*/
void	Set_Pwm_Chanle1_Compare(uint16_t data)	
{
	__HAL_TIM_SET_COMPARE(&PWM_TIMER,TIM_CHANNEL_1,data);
}


/**
  * @brief 设置PWM通道2的比较寄存器的值.
  * @param  
  * @retval 
*/
void	Set_Pwm_Chanle2_Compare(uint16_t data)	
{
	__HAL_TIM_SET_COMPARE(&PWM_TIMER,TIM_CHANNEL_2,data);
}


/**
  * @brief 设置PWM通道3的比较寄存器的值
  * @param  
  * @retval 
*/
void	Set_Pwm_Chanle3_Compare(uint16_t data)	
{
	__HAL_TIM_SET_COMPARE(&PWM_TIMER,TIM_CHANNEL_3,data);
}


/**
  * @brief 设置输出比较通道4的比较寄存器的值
  * @param  
  * @retval 
*/
void	Set_Pwm_Chanle4_Compare(uint16_t data)	
{
	__HAL_TIM_SET_COMPARE(&PWM_TIMER,TIM_CHANNEL_4,data);
}

void	Set_Pwm_Chanle4_Polarity(uint32_t cc4_oc_polarity)
{
	assert_param(IS_TIM_OC_POLARITY(cc4_oc_polarity));
	
	PWM_TIMER.Instance->CCER &= ~TIM_CCER_CC4P;

	PWM_TIMER.Instance->CCER |= (cc4_oc_polarity<<12);
}