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  • easone's Avatar
    08-30-2020, 03:33 PM
    I don't know exactly what's wrong without seeing the full code, but if you have TCD->DOFF = 0 with minorLoopIterations = 4 then your DMA is copying into single destination SHIFTBUF0 four times in a row before the FlexIO...
    114 replies | 3271 view(s)
  • easone's Avatar
    08-30-2020, 12:18 AM
    I haven't been able to test the following for VGA, but it is nearly the same as the configuration I am using for the SmartMatrix driver. Please forgive any errors! First, you need to configure all 4 shift buffers....
    114 replies | 3271 view(s)
  • easone's Avatar
    08-28-2020, 03:08 PM
    You could always use 8 bits of FlexIO3... It would be more processor intensive because you would need to use an interrupt to load the shift buffer instead of DMA. One thing you can do to decrease the number of...
    114 replies | 3271 view(s)
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VGA out for Teensy 4.0/4.1 08-30-2020 03:33 PM
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