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Need help in I2S comunication set up...

Andrea Zanelli
Prodigy 170 points
Other Parts Discussed in Thread: TMS320VC5505

I'm trying to create my own configuration for the transmission of data between the codec and the CPU on the TMS320VC5505, but I'm really new and I'm having some problems. The code had been wrote looking at aic3204 examples and the poll example in the CSL and running it and debugging I obtain an ouerror during the call to I2S_write (the error is repeated on and on ). The code refers to my_csl_i2s .c and .h but are just a copy of the original CSL files.Can anybody help me?

Thank  for your help.

Andrea

  • 0
    Expert 1190 points

    What is "my_csl_i2s.c"? Did you make changes and why did you copy?

    I am having the same problems, except I copied i2s_polled and modified but it sticks at the first read.

    I am reading the output of laptop music and outputing into sterio out.

    Martin

  • 0 in reply to MartinPotts
    Expert 1190 points

    I ran you code. took the my from csl_i2s.c.

    It waits about 55 sec after "I2S Module Configured successfully" and then continues.

    I get no sound.

    below is the console list.

    main Poll_Exam_copy_2

    I2S Module Instance opened successfully

    I2S Module Configured successfully

    I2S Write Successful

    I2S Reset Successful

    I2S Close Successful

    Done!

     

    Martin