wenkong_junshi/Template/HARDWARE/PWM/pwm.c

#include "pwm.h"
#include "led.h"
#include "All_define.h"

#include "gd32f30x.h"
/**
    \brief      configure the TIMER peripheral
    \param[in]  none
    \param[out] none
    \retval     none
  */
void timer0_config(void)
{

    timer_parameter_struct timer_initpara;
	  timer_oc_parameter_struct timer_ocintpara;
	  timer_break_parameter_struct timer_breakpara;

    rcu_periph_clock_enable(RCU_TIMER0);
		rcu_periph_clock_enable(RCU_GPIOA);
    rcu_periph_clock_enable(RCU_AF);

    
    gpio_init(GPIOA,GPIO_MODE_AF_PP,GPIO_OSPEED_50MHZ,GPIO_PIN_8);

    timer_deinit(TIMER0);

    /* TIMER0 configuration */
    timer_initpara.prescaler         = 119;
    timer_initpara.alignedmode       = TIMER_COUNTER_EDGE;
    timer_initpara.counterdirection  = TIMER_COUNTER_UP;
    timer_initpara.period            = 999;
    timer_initpara.clockdivision     = TIMER_CKDIV_DIV1;
    timer_initpara.repetitioncounter = 0;
    timer_init(TIMER0,&timer_initpara);
		
		/* CH0,CH1 and CH2 configuration in PWM mode0 */
    timer_ocintpara.ocpolarity  = TIMER_OC_POLARITY_HIGH;
    timer_ocintpara.outputstate = TIMER_CCX_ENABLE;

    timer_channel_output_config(TIMER0,TIMER_CH_0,&timer_ocintpara);

    /* CH0 configuration in PWM mode0,duty cycle 25% */
    timer_channel_output_pulse_value_config(TIMER0,TIMER_CH_0, (dis_page_param.face_plate_param.Led_Brightness &&0x0100 != 0) ? 0:30);
    timer_channel_output_mode_config(TIMER0,TIMER_CH_0,TIMER_OC_MODE_PWM0);
    timer_channel_output_shadow_config(TIMER0,TIMER_CH_0,TIMER_OC_SHADOW_DISABLE);
		
		
		    /* automatic output enable, break, dead time and lock configuration*/
/*    timer_breakpara.runoffstate      = TIMER_ROS_STATE_ENABLE;
    timer_breakpara.ideloffstate      = TIMER_IOS_STATE_ENABLE ;
    timer_breakpara.deadtime      = 164;
    timer_breakpara.breakpolarity = TIMER_BREAK_POLARITY_LOW;
    timer_breakpara.outputautostate       = TIMER_OUTAUTO_ENABLE;
    timer_breakpara.protectmode      = TIMER_CCHP_PROT_OFF;
    timer_breakpara.breakstate         = TIMER_BREAK_ENABLE;
    timer_break_config(TIMER0,&timer_breakpara);*/

    /* TIMER0 primary output function enable */
    timer_primary_output_config(TIMER0,ENABLE);
		

    /* TIMER0 counter enable */
    timer_enable(TIMER0);
}

void timer2_config()//PB0,1 PA 7
{
    timer_parameter_struct timer_initpara;
	  timer_oc_parameter_struct timer_ocintpara;

    rcu_periph_clock_enable(RCU_TIMER2);
		rcu_periph_clock_enable(RCU_GPIOA);
		rcu_periph_clock_enable(RCU_GPIOB);
    rcu_periph_clock_enable(RCU_AF);
 
    gpio_init(GPIOA,GPIO_MODE_AF_PP,GPIO_OSPEED_50MHZ,GPIO_PIN_7);
    gpio_init(GPIOB,GPIO_MODE_AF_PP,GPIO_OSPEED_50MHZ,GPIO_PIN_0);
		gpio_init(GPIOB,GPIO_MODE_AF_PP,GPIO_OSPEED_50MHZ,GPIO_PIN_1);
    
		timer_deinit(TIMER2);

    /* TIMER2 configuration */
    timer_initpara.prescaler         = 119;
    timer_initpara.alignedmode       = TIMER_COUNTER_EDGE;
    timer_initpara.counterdirection  = TIMER_COUNTER_UP;
    timer_initpara.period            = 999;
    timer_initpara.clockdivision     = TIMER_CKDIV_DIV1;
    timer_initpara.repetitioncounter = 0;
    timer_init(TIMER2,&timer_initpara);
	
	    /* CH0,CH1 and CH2 configuration in PWM mode0 */
    timer_ocintpara.ocpolarity  = TIMER_OC_POLARITY_HIGH;
    timer_ocintpara.outputstate = TIMER_CCX_ENABLE;

    timer_channel_output_config(TIMER2,TIMER_CH_1,&timer_ocintpara);
    timer_channel_output_config(TIMER2,TIMER_CH_2,&timer_ocintpara);
	timer_channel_output_config(TIMER2,TIMER_CH_3,&timer_ocintpara);


    timer_channel_output_pulse_value_config(TIMER2,TIMER_CH_1, (dis_page_param.face_plate_param.Led_Brightness &&0x0100 != 0) ? 0:30);
    timer_channel_output_mode_config(TIMER2,TIMER_CH_1,TIMER_OC_MODE_PWM0);
    timer_channel_output_shadow_config(TIMER2,TIMER_CH_1,TIMER_OC_SHADOW_DISABLE);

    timer_channel_output_pulse_value_config(TIMER2,TIMER_CH_2, (dis_page_param.face_plate_param.Led_Brightness &&0x0100 != 0) ? 0:30);
    timer_channel_output_mode_config(TIMER2,TIMER_CH_2,TIMER_OC_MODE_PWM0);
    timer_channel_output_shadow_config(TIMER2,TIMER_CH_2,TIMER_OC_SHADOW_DISABLE);

    timer_channel_output_pulse_value_config(TIMER2,TIMER_CH_3, (dis_page_param.face_plate_param.Led_Brightness &&0x0100 != 0) ? 0:30);
    timer_channel_output_mode_config(TIMER2,TIMER_CH_3,TIMER_OC_MODE_PWM0);
    timer_channel_output_shadow_config(TIMER2,TIMER_CH_3,TIMER_OC_SHADOW_DISABLE);

    /* auto-reload preload enable */
    timer_auto_reload_shadow_enable(TIMER2);
		
    /* auto-reload preload enable */
    timer_enable(TIMER2);	
}


void timer4_config()//PA0
{
    timer_parameter_struct timer_initpara;
	  timer_oc_parameter_struct timer_ocintpara;

    rcu_periph_clock_enable(RCU_TIMER4);
		rcu_periph_clock_enable(RCU_GPIOA);
    rcu_periph_clock_enable(RCU_AF);
 
    gpio_init(GPIOA,GPIO_MODE_AF_PP,GPIO_OSPEED_50MHZ,GPIO_PIN_0);
    
		timer_deinit(TIMER4);

    
    timer_initpara.prescaler         = 119;
    timer_initpara.alignedmode       = TIMER_COUNTER_EDGE;
    timer_initpara.counterdirection  = TIMER_COUNTER_UP;
    timer_initpara.period            = 999;
    timer_initpara.clockdivision     = TIMER_CKDIV_DIV1;
    timer_initpara.repetitioncounter = 0;
    timer_init(TIMER4,&timer_initpara);

    timer_ocintpara.ocpolarity  = TIMER_OC_POLARITY_HIGH;
    timer_ocintpara.outputstate = TIMER_CCX_ENABLE;

    timer_channel_output_config(TIMER4,TIMER_CH_0,&timer_ocintpara);
		
    timer_channel_output_pulse_value_config(TIMER4,TIMER_CH_0, 300);
    timer_channel_output_mode_config(TIMER4,TIMER_CH_0,TIMER_OC_MODE_PWM0);
    timer_channel_output_shadow_config(TIMER4,TIMER_CH_0,TIMER_OC_SHADOW_DISABLE);


    timer_auto_reload_shadow_enable(TIMER4);
		

    timer_enable(TIMER4);	
}
void timer7_config()//PC6 7 8 9
{
    timer_parameter_struct timer_initpara;
	  timer_oc_parameter_struct timer_ocintpara;

    rcu_periph_clock_enable(RCU_TIMER7);
		rcu_periph_clock_enable(RCU_GPIOC);
    rcu_periph_clock_enable(RCU_AF);
 
    gpio_init(GPIOC,GPIO_MODE_AF_PP,GPIO_OSPEED_50MHZ,GPIO_PIN_6);
    gpio_init(GPIOC,GPIO_MODE_AF_PP,GPIO_OSPEED_50MHZ,GPIO_PIN_7);
    gpio_init(GPIOC,GPIO_MODE_AF_PP,GPIO_OSPEED_50MHZ,GPIO_PIN_8);
	gpio_init(GPIOC,GPIO_MODE_AF_PP,GPIO_OSPEED_50MHZ,GPIO_PIN_9);
    
		timer_deinit(TIMER7);

    /* TIMER4 configuration */
    timer_initpara.prescaler         = 119;
    timer_initpara.alignedmode       = TIMER_COUNTER_EDGE;
    timer_initpara.counterdirection  = TIMER_COUNTER_UP;
    timer_initpara.period            = 999;
    timer_initpara.clockdivision     = TIMER_CKDIV_DIV1;
    timer_initpara.repetitioncounter = 0;
    timer_init(TIMER7,&timer_initpara);
	
	    /* CH0,CH1 and CH2 configuration in PWM mode0 */
    timer_ocintpara.ocpolarity  = TIMER_OC_POLARITY_HIGH;
    timer_ocintpara.outputstate = TIMER_CCX_ENABLE;

    timer_channel_output_config(TIMER7,TIMER_CH_0,&timer_ocintpara);
    timer_channel_output_config(TIMER7,TIMER_CH_1,&timer_ocintpara);
    timer_channel_output_config(TIMER7,TIMER_CH_2,&timer_ocintpara);
		timer_channel_output_config(TIMER7,TIMER_CH_3,&timer_ocintpara);
		
    timer_channel_output_pulse_value_config(TIMER7,TIMER_CH_0, (dis_page_param.face_plate_param.Led_Brightness &&0x0100 != 0) ? 0:30);
    timer_channel_output_mode_config(TIMER7,TIMER_CH_0,TIMER_OC_MODE_PWM0);
    timer_channel_output_shadow_config(TIMER7,TIMER_CH_0,TIMER_OC_SHADOW_DISABLE);

    timer_channel_output_pulse_value_config(TIMER7,TIMER_CH_1, (dis_page_param.face_plate_param.Led_Brightness &&0x0100 != 0) ? 0:30);
    timer_channel_output_mode_config(TIMER7,TIMER_CH_1,TIMER_OC_MODE_PWM0);
    timer_channel_output_shadow_config(TIMER7,TIMER_CH_1,TIMER_OC_SHADOW_DISABLE);

    timer_channel_output_pulse_value_config(TIMER7,TIMER_CH_2, (dis_page_param.face_plate_param.Led_Brightness &&0x0100 != 0) ? 0:30);
    timer_channel_output_mode_config(TIMER7,TIMER_CH_2,TIMER_OC_MODE_PWM0);
    timer_channel_output_shadow_config(TIMER7,TIMER_CH_2,TIMER_OC_SHADOW_DISABLE);

    timer_channel_output_pulse_value_config(TIMER7,TIMER_CH_3, (dis_page_param.face_plate_param.Led_Brightness &&0x0100 != 0) ? 0:30);
    timer_channel_output_mode_config(TIMER7,TIMER_CH_3,TIMER_OC_MODE_PWM0);
    timer_channel_output_shadow_config(TIMER7,TIMER_CH_3,TIMER_OC_SHADOW_DISABLE);

    /* TIMER0 primary output function enable */
    timer_primary_output_config(TIMER7,ENABLE);
    /* auto-reload preload enable */
    timer_auto_reload_shadow_enable(TIMER7);
		
    /* auto-reload preload enable */
    timer_enable(TIMER7);		
}


void BSP_PWMOUT_Init(void) 
{
	timer0_config();
	timer2_config();
	timer4_config();
	timer7_config();
}