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Type: Posts; User: stevech

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  1. Indeed. And that's the reason for saying DMA is...

    Indeed. And that's the reason for saying DMA is needed. With that, there's lots of CPU time to spare.
  2. serialEvent() is difficult to find in the main...

    serialEvent() is difficult to find in the main web pages for the Arduino library documentation.


    @defragster: But at these UART speeds, what's the interrupt rate and %CPU used in ISRs and so...
  3. Need DMA on the UARTs at those speeds. Without...

    Need DMA on the UARTs at those speeds. Without it, and with no FIFOs, way too many interrupts per second.
  4. Where's that API documented?

    Where's that API documented?
  5. crude/effective: Serialn.available() called as...

    crude/effective: Serialn.available() called as needed
    new method I read exists: Serial events addition to library

    Overkill: FreeRTOS multitasking and a task suspends until serial received.
  6. Huh? Hardware Serial with interrupt driven...

    Huh? Hardware Serial with interrupt driven buffered I/O exists in the Teensy drivers.
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