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关于使用CCS5.2.1 Graph 显示电机的pwm1.CmtnPointer图形问题

你好!

     我现在使用HVMotorCtrl+PfcKit_v2.1开发套件调试BLDC电机,软件是CCS5.2.1 2008,

现在想用debug/tools/Graph 功能显示电机的换相步数pwm1.CmtnPointer,代码如下:

...

int16 DlogCh1 = 0;

...

dlog.iptr1 = &DlogCh1;

...

DlogCh1 = pwm1.CmtnPointer; 

The graph single time following settings:

但输出的图形是下边这个样子:

正确的图形应该是下边这个样子吧:

高手解答一下我是哪里设置的不对了?