MC100/Applications/bsp/pwm.h

#ifndef _PWM_H__
#define _PWM_H__
#include "bsp/bsp.h"
#include "os/os_type.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(pwm_timer) = (uint32_t)time

#define pwm_update_duty(dutyA, dutyB, dutyC) \
	do {\
		ch0_update_duty(dutyA);\
		ch1_update_duty(dutyB);\
		ch2_update_duty(dutyC);\
	}while(0)
#ifdef ENABLE_AUX_TIMER
#define pwm_update_2smaples(samp1, samp2) \
	do { \
		TIMER_CH3CV(pwm_timer) = (uint32_t)samp1; \
		TIMER_CH0CV(adc_timer) = (uint32_t)samp2; \
	}while(0)
#else
#define pwm_update_2smaples(samp1, samp2) \
	do { \
		TIMER_CH3CV(pwm_timer) = (uint32_t)samp1; \
	}while(0)
#endif
#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)

extern u16 timer_update_buffer[6];
#define pwm_update_duty_dma(a, b, c, na, nb, nc) \
	do { \
		timer_update_buffer[0] = a; \
		timer_update_buffer[1] = b; \
		timer_update_buffer[2] = c; \
		timer_update_buffer[3] = na; \
		timer_update_buffer[4] = nb; \
		timer_update_buffer[5] = nc; \
	}while(0)

#define pwm_clear_updata() \
	timer_flag_clear(pwm_timer, TIMER_FLAG_UP);

#define pwm_wait_and_clear_updata() \
	do { \
		while ( timer_flag_get(pwm_timer, TIMER_FLAG_UP) == RESET ); \
		timer_flag_clear(pwm_timer, TIMER_FLAG_UP); \
	}while(0)

void pwm_3phase_init(void);
void pwm_start(void);
void pwm_stop(void);
void pwm_turn_on_low_side(void);
void pwm_enable_output(bool enable);

#endif  /*_PWM_H__*/