无刷电机判断霍尔传感器排列

只看该作者 · 2016-8-23 10:24

手动转电机一圈，出来12个霍尔状态。
中断IO双边沿触发
BLDC.BLCD_tab = BLCD_H1<<2|BLCD_H2<<1|BLCD_H3<<0;
5 4 6 2 3 1 5 4 6 2 3 1；
按道理这是120度排列的时序，但为什么有两个。并且按照这个上电，手动很难转动电机。

只看该作者 · 2016-8-23 10:26

void BLDCtable(u8 aa)
{
if(aa)
{
switch(BLDC.BLCD_tab)
{
case 5://T1 T4 导通中间+了IR2108逻辑转换  这里面的时序最终是T1 T4导通
BLCD_WT2_Set;// T2 PB2
BLCD_WT4_Reset;// T4 PB10
BLCD_WT6_Set;// T6 PB0

TIM_ForcedOC1Config(TIM3,TIM_OCMode_PWM1);TIM_SetCompare1(TIM3,BLDC.pwm);//BLDC.pwm    T1 TIM3_CH1 PB4
TIM_ForcedOC2Config(TIM3,TIM_ForcedAction_Active);// InActive输出的是1  和手册相反  Active输出0  硬件光耦逻辑反  新版取消了逻辑反
TIM_ForcedOC4Config(TIM3,TIM_ForcedAction_Active);

compute_speed();
break;

case 4: //T1 T6
BLCD_WT2_Set;
BLCD_WT4_Set;
BLCD_WT6_Reset;//

TIM_ForcedOC1Config(TIM3,TIM_OCMode_PWM1);TIM_SetCompare1(TIM3,BLDC.pwm);//BLDC.pwm    T1 TIM3_CH1 PB4
TIM_ForcedOC2Config(TIM3,TIM_ForcedAction_Active);
TIM_ForcedOC4Config(TIM3,TIM_ForcedAction_Active);

compute_speed();
break;

case 6:       //T3  T6
BLCD_WT2_Set;
BLCD_WT4_Set;
BLCD_WT6_Reset;

TIM_ForcedOC1Config(TIM3,TIM_ForcedAction_Active);//
TIM_ForcedOC2Config(TIM3,TIM_OCMode_PWM1);TIM_SetCompare2(TIM3,BLDC.pwm);//
TIM_ForcedOC4Config(TIM3,TIM_ForcedAction_Active);

compute_speed();
break;

case 2://T3 T2
BLCD_WT2_Reset;
BLCD_WT4_Set;
BLCD_WT6_Set;

TIM_ForcedOC1Config(TIM3,TIM_ForcedAction_Active);//
TIM_ForcedOC2Config(TIM3,TIM_OCMode_PWM1);TIM_SetCompare2(TIM3,BLDC.pwm);//
TIM_ForcedOC4Config(TIM3,TIM_ForcedAction_Active);

compute_speed();
break;

case 3: //T5  T2
BLCD_WT2_Reset;
BLCD_WT4_Set;
BLCD_WT6_Set;

TIM_ForcedOC1Config(TIM3,TIM_ForcedAction_Active);
TIM_ForcedOC2Config(TIM3,TIM_ForcedAction_Active);
TIM_ForcedOC4Config(TIM3,TIM_OCMode_PWM1);TIM_SetCompare4(TIM3,BLDC.pwm);

compute_speed();
break;

case 1: //T5  T4
BLCD_WT2_Set;
BLCD_WT4_Reset;//
BLCD_WT6_Set;

TIM_ForcedOC1Config(TIM3,TIM_ForcedAction_Active);
TIM_ForcedOC2Config(TIM3,TIM_ForcedAction_Active);
TIM_ForcedOC4Config(TIM3,TIM_OCMode_PWM1);TIM_SetCompare4(TIM3,BLDC.pwm);

compute_speed();
break;

default:
// BLCD_WT2_Reset;
// BLCD_WT4_Reset;
// BLCD_WT6_Reset;

// TIM_ForcedOC1Config(TIM3,TIM_ForcedAction_InActive);
// TIM_ForcedOC2Config(TIM3,TIM_ForcedAction_InActive);
// TIM_ForcedOC4Config(TIM3,TIM_ForcedAction_InActive);

break;
}//switch
}
else
{
switch(BLDC.BLCD_tab)
{
case 5://T3 T2
BLCD_WT2_Reset;
BLCD_WT4_Set;
BLCD_WT6_Set;

TIM_ForcedOC1Config(TIM3,TIM_ForcedAction_Active);//
TIM_ForcedOC2Config(TIM3,TIM_OCMode_PWM1);TIM_SetCompare2(TIM3,BLDC.pwm);//
TIM_ForcedOC4Config(TIM3,TIM_ForcedAction_Active);
compute_speed();
break;

case 4: //T5 T2
BLCD_WT2_Reset;
BLCD_WT4_Set;
BLCD_WT6_Set;

TIM_ForcedOC1Config(TIM3,TIM_ForcedAction_Active);
TIM_ForcedOC2Config(TIM3,TIM_ForcedAction_Active);
TIM_ForcedOC4Config(TIM3,TIM_OCMode_PWM1);TIM_SetCompare4(TIM3,BLDC.pwm);
compute_speed();
break;

case 6:       //T5  T4
BLCD_WT2_Set;
BLCD_WT4_Reset;//
BLCD_WT6_Set;

TIM_ForcedOC1Config(TIM3,TIM_ForcedAction_Active);
TIM_ForcedOC2Config(TIM3,TIM_ForcedAction_Active);
TIM_ForcedOC4Config(TIM3,TIM_OCMode_PWM1);TIM_SetCompare4(TIM3,BLDC.pwm);

compute_speed();
break;

case 2://T1 T4
BLCD_WT2_Set;// T2 PB2
BLCD_WT4_Reset;// T4 PB10
BLCD_WT6_Set;// T6 PB0

TIM_ForcedOC1Config(TIM3,TIM_OCMode_PWM1);TIM_SetCompare1(TIM3,BLDC.pwm);//BLDC.pwm    T1 TIM3_CH1 PB4
TIM_ForcedOC2Config(TIM3,TIM_ForcedAction_Active);// InActive输出的是1  和手册相反  Active输出0
TIM_ForcedOC4Config(TIM3,TIM_ForcedAction_Active);
compute_speed();
break;

case 3: //T1  T6
BLCD_WT2_Set;
BLCD_WT4_Set;
BLCD_WT6_Reset;//

TIM_ForcedOC1Config(TIM3,TIM_OCMode_PWM1);TIM_SetCompare1(TIM3,BLDC.pwm);//BLDC.pwm    T1 TIM3_CH1 PB4
TIM_ForcedOC2Config(TIM3,TIM_ForcedAction_Active);
TIM_ForcedOC4Config(TIM3,TIM_ForcedAction_Active);

compute_speed();
break;

case 1: //T3  T6
BLCD_WT2_Set;
BLCD_WT4_Set;
BLCD_WT6_Reset;

TIM_ForcedOC1Config(TIM3,TIM_ForcedAction_Active);//
TIM_ForcedOC2Config(TIM3,TIM_OCMode_PWM1);TIM_SetCompare2(TIM3,BLDC.pwm);//
TIM_ForcedOC4Config(TIM3,TIM_ForcedAction_Active);

compute_speed();
break;

default:
// BLCD_WT2_Reset;
// BLCD_WT4_Reset;
// BLCD_WT6_Reset;

// TIM_ForcedOC1Config(TIM3,TIM_ForcedAction_InActive);
// TIM_ForcedOC2Config(TIM3,TIM_ForcedAction_InActive);
// TIM_ForcedOC4Config(TIM3,TIM_ForcedAction_InActive);
break;
}//switch
}
}