MC100/Applications/bsp/pwm.h

#ifndef _PWM_H__
#define _PWM_H__
#include "bsp/bsp.h"
#include "libs/os.h"
#include "bsp/dma.h"

#define TIMxCCER_MASK_CH012        ((uint16_t)  (TIMER_CHCTL2_CH0EN|TIMER_CHCTL2_CH0NEN|\
                                                 TIMER_CHCTL2_CH1EN|TIMER_CHCTL2_CH1NEN|\
                                                 TIMER_CHCTL2_CH2EN|TIMER_CHCTL2_CH2NEN))

#define pwm_enable_channel() {TIMER_CHCTL2(pwm_timer) |= TIMxCCER_MASK_CH012;}
#define pwm_disable_channel() {TIMER_CHCTL2(pwm_timer) &= ~TIMxCCER_MASK_CH012;}


#define ch0_update_duty(duty) 	TIMER_CH0CV(pwm_timer) = (uint32_t)duty
#define ch1_update_duty(duty) 	TIMER_CH1CV(pwm_timer) = (uint32_t)duty
#define ch2_update_duty(duty) 	TIMER_CH2CV(pwm_timer) = (uint32_t)duty
#define update_adc_trigger(time) TIMER_CH3CV(adc_timer) = (uint32_t)time

#define pwm_update_duty(dutyA, dutyB, dutyC, time) \
	do {\
		ch0_update_duty(dutyA);\
		ch1_update_duty(dutyB);\
		ch1_update_duty(dutyC);\
		update_adc_trigger(time);\
	}while(0)
#define update_sample_time(samp1, samp2) do{adc_timer_dma_buf[2] = samp1; adc_timer_dma_buf[0] = samp2;}while(0)
#define update_distort_chxcv(duty) do {pwm_timer_dma_buf[1] = duty;}while(0)

#define enable_pwm_timer_dma() TIMER_DMAINTEN(pwm_timer) |= (uint32_t) TIMER_DMA_CH3D
#define disable_pwm_timer_dma() TIMER_DMAINTEN(pwm_timer) &= ~((uint32_t) TIMER_DMA_CH3D)


#define enable_sample_timer_dma() TIMER_DMAINTEN(adc_timer) |= (uint32_t) TIMER_DMA_CH0D
#define disable_sample_timer_dma() TIMER_DMAINTEN(adc_timer) &= ~((uint32_t) TIMER_DMA_CH0D)

void pwm_3phase_init(void);
void pwm_start(void);
void pwm_stop(void);
void pwm_turn_on_low_side(void);

#endif  /*_PWM_H__*/