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AM3352使用ehrpwm1双通道问题

Other Parts Discussed in Thread: AM3358

Ti 工程师,您好:

        我测试使用ehrpwm1A以及ehrpwm1B分别进行PWM输出。当两个PWM均调用了pwm_stop()停止输出后,调用pwm_start启动其中之一开始输出,这是另一通道X也同时自动输出。而且,通过echo /sys/class/pwm/ehrpwm.1:X时,发现这时它是0,以下是调用pwm_start时对PWMSS寄存器及EPWM1寄存器的当前值打印:

请问这种情况怎么去定位解决?

请帮忙分析,谢谢!