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  • PDMA Logic Interruption

    mdokukin - - emWin related

    Post

    Hi, In my application I am using PDMA1 ch1 for audio buffer updates. LCD display seems to be using PDMA as well. NVT_Draw1 function defined in fsa506.c uses PDMA0 ch2 to write data to LCD. The logic inside NVT_Draw1 does not interfere with the logic of PDMA1 ch1. The problems with PDMA1 interruption traces earlier all the way to APPW_Init() function. After it is called, my PDMA ch1 stops working. I suspect that APPW_Init() uses PDMA to display initial image, and also overrides global PDMA config…