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ADAS1000:there is something wrong with data frames.

Question asked by fengling on Sep 1, 2015
Latest reply on Mar 3, 2016 by CatherineR

Hi

ADAS1000_3 is used.

In  Frame Control Register ,only the LEAD1 is included in the frame. That means the data frames contain Header and Lead I.The output data rate is 2 kHz. I think a data frame may contain 2 words, but in my data  frame that contains 4 words. Is it normal?

I read  4 words in every data frame , I receive the following data.

C0 00 00 00 11 00 00 00 80 00 00 00 11 7F B6 89        (the first complete data frame )

C0 00 00 00 11 7F B6 89 80 00 00 00 11 7F 94 E2        (the second complete data frame )

C0 00 00 00 11 7F 94 E2 80 00  00 00 11 7F 1C F1       (the third complete data frame )

C0 00 00 00 11 7F 1C F1 80 00 00 00 11 7E 72 FD      (the fourth complete data frame )

C0 00 00 00 11 7E 72 FD 80 00 00 00 11 7D CE 73     (the fifth complete data frame )

。。。。。。( and so on)

Please pay attention , the above red data are same.

 

If i only read  two words, I receive the following data,

C0 00 00 00 11 00 00 00  (there is anything behind it) ,then the DRDY level keep low.


why my data frame contains 4 words ? why every frame contains C0 00 00 00?

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