• LPC1788 LCD double buffering
    Dear friends, I am trying to use double buffering feature of LCD controller in LPC1788. In order to do that, one must use LNBU interrupt and use it to update the UPBASE register. quoted from...
  • Why not clear buffer
    Please help me to find the problem: In my program, I use UART to receive data by UART interrupt, please see following. #define uchar unsigned char #define DATALTH 255 volatile uchar SerBuffer;...
  • Enabling double buffered DMA isochronous endpoint
    Hi to all I'm attempting to modify the USBAudio example on an LPC2378 in order to appear as a microphone using isochronous endpoint 3. I modified the example and it works fine. The next step is to enable...
  • Enabling DMA double buffering for isochronous enpoint
    Hi to all I'm attempting to modify the USBAudio example on an LPC2378 in order to appear as a microphone using isochronous endpoint 3. I modified the example and it works fine. The next step is to enable...
  • USB double trouble
    Hello, I have a LPC2478 than I can address via 2 data sources: A CDC device and a USB to RS-485 converter. I see something very strange: If I try to use them in parallel, the USB CDC transfers are...