基于GD32F450的高级定时器实现六步换向

ti

一、六步换向

六步换向是针对直流无刷电机的一种较简单的控制算法，三相导通顺序循环按照(A,B)，（C,B），（C,A），（B,A），（B,C），（A,C）依次导通。

二、关键代码

void tiMER0_TRG_CMT_TIMER10_IRQHandler(void)
{
/* clear TIMER interrupt flag */
timer_interrupt_flag_clear(TIMER0,TIMER_INT_CMT);
switch(step){
/* next step: step 2 configuration .A-C` breakover---------------------------- */
case 1:
/* channel0 configuration */
timer_channel_output_mode_config(TIMER0,TIMER_CH_0,TIMER_OC_MODE_PWM0);
timer_channel_output_state_config(TIMER0,TIMER_CH_0,TIMER_CCX_ENABLE);
timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_0,TIMER_CCXN_DISABLE);
/* channel1 configuration */
timer_channel_output_state_config(TIMER0,TIMER_CH_1,TIMER_CCX_DISABLE);
timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_1,TIMER_CCXN_DISABLE);
/* channel2 configuration */
timer_channel_output_mode_config(TIMER0,TIMER_CH_2,TIMER_OC_MODE_PWM0);
timer_channel_output_state_config(TIMER0,TIMER_CH_2,TIMER_CCX_DISABLE);
timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_2,TIMER_CCXN_ENABLE);
step++;
break;
/* next step: step 3 configuration .B-C` breakover---------------------------- */
case 2:
/* channel0 configuration */
timer_channel_output_state_config(TIMER0,TIMER_CH_0,TIMER_CCX_DISABLE);
timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_0,TIMER_CCXN_DISABLE);
/* channel1 configuration */
timer_channel_output_mode_config(TIMER0,TIMER_CH_1,TIMER_OC_MODE_PWM0);
timer_channel_output_state_config(TIMER0,TIMER_CH_1,TIMER_CCX_ENABLE);
timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_1,TIMER_CCXN_DISABLE);
/* channel2 configuration */
timer_channel_output_mode_config(TIMER0,TIMER_CH_2,TIMER_OC_MODE_PWM0);
timer_channel_output_state_config(TIMER0,TIMER_CH_2,TIMER_CCX_DISABLE);
timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_2,TIMER_CCXN_ENABLE);
step++;
break;
/* next step: step 4 configuration .B-A` breakover---------------------------- */
case 3:
/* channel0 configuration */
timer_channel_output_mode_config(TIMER0,TIMER_CH_0,TIMER_OC_MODE_PWM0);
timer_channel_output_state_config(TIMER0,TIMER_CH_0,TIMER_CCX_DISABLE);
timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_0,TIMER_CCXN_ENABLE);
/* channel1 configuration */
timer_channel_output_mode_config(TIMER0,TIMER_CH_1,TIMER_OC_MODE_PWM0);
timer_channel_output_state_config(TIMER0,TIMER_CH_1,TIMER_CCX_ENABLE);
timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_1,TIMER_CCXN_DISABLE);
/* channel2 configuration */
timer_channel_output_state_config(TIMER0,TIMER_CH_2,TIMER_CCX_DISABLE);
timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_2,TIMER_CCXN_DISABLE);
step++;
break;
/* next step: step 5 configuration .C-A` breakover---------------------------- */
case 4:
/* channel0 configuration */
timer_channel_output_mode_config(TIMER0,TIMER_CH_0,TIMER_OC_MODE_PWM0);
timer_channel_output_state_config(TIMER0,TIMER_CH_0,TIMER_CCX_DISABLE);
timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_0,TIMER_CCXN_ENABLE);
/* channel1 configuration */
timer_channel_output_state_config(TIMER0,TIMER_CH_1,TIMER_CCX_DISABLE);
timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_1,TIMER_CCXN_DISABLE);
/* channel2 configuration */
timer_channel_output_mode_config(TIMER0,TIMER_CH_2,TIMER_OC_MODE_PWM0);
timer_channel_output_state_config(TIMER0,TIMER_CH_2,TIMER_CCX_ENABLE);
timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_2,TIMER_CCXN_DISABLE);
step++;
break;
/* next step: step 6 configuration .C-B` breakover---------------------------- */
case 5:
/* channel0 configuration */
timer_channel_output_state_config(TIMER0,TIMER_CH_0,TIMER_CCX_DISABLE);
timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_0,TIMER_CCXN_DISABLE);
/* channel1 configuration */
timer_channel_output_mode_config(TIMER0,TIMER_CH_1,TIMER_OC_MODE_PWM0);
timer_channel_output_state_config(TIMER0,TIMER_CH_1,TIMER_CCX_DISABLE);
timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_1,TIMER_CCXN_ENABLE);
/* channel2 configuration */
timer_channel_output_mode_config(TIMER0,TIMER_CH_2,TIMER_OC_MODE_PWM0);
timer_channel_output_state_config(TIMER0,TIMER_CH_2,TIMER_CCX_ENABLE);
timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_2,TIMER_CCXN_DISABLE);
step++;
break;
/* next step: step 1 configuration .A-B` breakover---------------------------- */
case 6:
/* channel0 configuration */
timer_channel_output_mode_config(TIMER0,TIMER_CH_0,TIMER_OC_MODE_PWM0);
timer_channel_output_state_config(TIMER0,TIMER_CH_0,TIMER_CCX_ENABLE);
timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_0,TIMER_CCXN_DISABLE);
/* channel1 configuration */
timer_channel_output_mode_config(TIMER0,TIMER_CH_1,TIMER_OC_MODE_PWM0);
timer_channel_output_state_config(TIMER0,TIMER_CH_1,TIMER_CCX_DISABLE);
timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_1,TIMER_CCXN_ENABLE);
/* channel2 configuration */
timer_channel_output_state_config(TIMER0,TIMER_CH_2,TIMER_CCX_DISABLE);
timer_channel_complementary_output_state_config(TIMER0,TIMER_CH_2,TIMER_CCXN_DISABLE);
step = 1;
break;
}
}