GD32E230 PWM配置

1万 · 2024-11-13 10:45

GD32E230 PWM配置
//GPIO配置
void PWM_gpio_config(void)
{
rcu_periph_clock_enable(RCU_GPIOA);

  gpio_mode_set(GPIOB, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_1);
gpio_output_options_set(GPIOB, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ,GPIO_PIN_1);
gpio_af_set(GPIOB, GPIO_AF_1, GPIO_PIN_1);
  gpio_mode_set(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_9);
gpio_output_options_set(GPIOA, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ,GPIO_PIN_9);
  gpio_af_set(GPIOA, GPIO_AF_2, GPIO_PIN_9);
  gpio_mode_set(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_10);
gpio_output_options_set(GPIOA, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ,GPIO_PIN_10);
  gpio_af_set(GPIOA, GPIO_AF_2, GPIO_PIN_10);
}
void PWM_timer_config(void)
{
timer_oc_parameter_struct timer_ocintpara;
timer_parameter_struct timer_initpara;
rcu_periph_clock_enable(RCU_TIMER0);
timer_deinit(TIMER0);
rcu_periph_clock_enable(RCU_TIMER2);
timer_deinit(TIMER2);
/* TIMER0 configuration */
timer_initpara.prescaler       = 3;
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);
  timer_init(TIMER2,&timer_initpara);
  /* CH1,CH2 and CH3 configuration in PWM mode1 */
timer_ocintpara.ocpolarity = TIMER_OC_POLARITY_HIGH;
timer_ocintpara.outputstate  = TIMER_CCX_ENABLE;
timer_ocintpara.ocnpolarity  = TIMER_OCN_POLARITY_HIGH;
timer_ocintpara.outputnstate = TIMER_CCXN_ENABLE;
timer_ocintpara.ocidlestate  = TIMER_OC_IDLE_STATE_HIGH;
timer_ocintpara.ocnidlestate = TIMER_OCN_IDLE_STATE_LOW;
timer_channel_output_config(TIMER2,TIMER_CH_3,&timer_ocintpara);
timer_channel_output_config(TIMER0,TIMER_CH_1,&timer_ocintpara);
timer_channel_output_config(TIMER0,TIMER_CH_2,&timer_ocintpara);
/* CH1 configuration in PWM mode1,duty cycle 25% */
timer_channel_output_pulse_value_config(TIMER2,TIMER_CH_3,500);
timer_channel_output_mode_config(TIMER2,TIMER_CH_3,TIMER_OC_MODE_PWM0);
timer_channel_output_pulse_value_config(TIMER0,TIMER_CH_1,500);
timer_channel_output_mode_config(TIMER0,TIMER_CH_1,TIMER_OC_MODE_PWM0);
timer_channel_output_pulse_value_config(TIMER0,TIMER_CH_2,500);
timer_channel_output_mode_config(TIMER0,TIMER_CH_2,TIMER_OC_MODE_PWM0);
timer_primary_output_config(TIMER0,ENABLE);
/* auto-reload preload enable */
timer_enable(TIMER0);
timer_primary_output_config(TIMER2,ENABLE);
/* auto-reload preload enable */
timer_enable(TIMER2);
}
int main(void)
{
//PWM Init  Motor
PWM_gpio_config();
PWM_timer_config();
while(1)
{
timer_channel_output_pulse_value_config(TIMER2,TIMER_CH_3,(uint16)rollPhase[2]);
  timer_channel_output_pulse_value_config(TIMER0,TIMER_CH_1,(uint16)rollPhase[0]);
  timer_channel_output_pulse_value_config(TIMER0,TIMER_CH_2,(uint16)rollPhase[1]);
}
}
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以上例程经测试OK，希望能帮到你！！
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原文链接：https://blog.csdn.net/u014694105/article/details/105976954

1万 · 2024-12-2 15:40

#include "gd32e230.h"

void PWM_Init(void) {
// 使能GPIOB和TIMER0的时钟
rcu_periph_clock_enable(RCU_GPIOB);
rcu_periph_clock_enable(RCU_TIMER0);

// 配置GPIOB的第0引脚为复用功能，映射到定时器0的通道0
gpio_mode_set(GPIOB, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_0);
gpio_output_options_set(GPIOB, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_0);
gpio_af_set(GPIOB, GPIO_AF_2, GPIO_PIN_0);

// 配置定时器0的基本参数
timer_parameter_struct timer_initpara;
timer_oc_parameter_struct timer_ocintpara;
timer_deinit(TIMER0);
rcu_periph_clock_enable(RCU_TIMER0);

timer_initpara.prescaler = 71; // 预分频系数
timer_initpara.alignedmode = TIMER_COUNTER_EDGE;
timer_initpara.counterdirection = TIMER_COUNTER_UP;
timer_initpara.period = 999; // 自动重装载值
timer_initpara.clockdivision = TIMER_CKDIV_DIV1;
timer_init(TIMER0, &timer_initpara);

// 配置定时器0的通道0为PWM模式
timer_ocintpara.ocpolarity = TIMER_OC_POLARITY_HIGH;
timer_ocintpara.outputstate = TIMER_CCX_ENABLE;
timer_channel_output_config(TIMER0, TIMER_CH_0, &timer_ocintpara);
timer_channel_output_pulse_value_config(TIMER0, TIMER_CH_0, 500); // 设置占空比为50%
timer_channel_output_mode_config(TIMER0, TIMER_CH_0, TIMER_OC_MODE_PWM0);

// 启动定时器0
timer_enable(TIMER0);
}