单通道控制电机正反转

[cpp]

void Set_Pwm(int motor_a,int motor_b,int motor_c,int motor_d)
{
int siqu=0;
if(motor_a>0) PWMA=motor_a+siqu, INA=0;
else PWMA=7200+motor_a-siqu,INA=1;
}

[/cpp]