我用的无刷电机有五根线,红(8V-24V)黑(GND)黄(换向)绿(编码器脉冲)蓝(PWM),用K60主控 初始化以后,没有给具体占空比,电机就以全速转动;给占空比转速也不变,一直全速 初始化: ftm_pwm_init(FTM0, FTM_CH1,1000,0); //初始化电机PWM PTC2 左 ftm_pwm_init(FTM0, FTM_CH3,1000,0); //初始化电机PWM PTC4 右反向 ftm_pwm_init(FTM0, FTM_CH4,1000,0); //初始化电机PWM PTA7 右 占空比:(精度是10000) ftm_pwm_duty(FTM0,FTM_CH1,9000); ftm_pwm_duty(FTM0,FTM_CH4,9000); ftm_pwm_duty(FTM0,FTM_CH3,0); |