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UPP in DLB mode can't work

haihua li
Prodigy 160 points
Other Parts Discussed in Thread: OMAPL138

Now i wirte a driver for the UPP,this driver integrated in the uboot as a command.The driver i wrote steped by the Guide of the UPP,but it can't work now

my code as follows:

0458.upp_test.rar

please have a look,if there is some initial sequence i have not done.

thanks

  • 0
    Prodigy 160 points

    and my test result is:

     

    [omapl138 uboot]# upp

    upp init finished !

    UPIS2 a= 0x00000040

    UPIS2 b= 0x00000041

    UPIS2 c= 0x00000011

     

    (different buffers):

     i      bufferA         bufferB

     0      0xbb            0x0

     1      0xff            0x0

     2      0x55            0x0

     3      0xaa            0x0

     4      0xbb            0x0

     5      0xff            0x0

     ....

     it seems upp doesn't make sense at all,what's the problem?