Am Donnerstag, den 07.06.2018, 21:05 +0100 schrieb Tristan Williams: > Hello, > > I am clearly not understanding how something works, and would be > grateful for any help. > > I am decoding infrared remote control codes using the input capture > mode of TIMER1 on an ATmega328P (UNO). This works successfully. > > Then I decided to buffer the codes received, so that should the MCU > be > busy, the codes be collected by the isr will still be available for > when the MCU is ready. > > To test this, I have been using these three "busy" words > > : busy1 10 0 ?do $ffff 0 ?do noop loop loop ; > > : busy2 5000 0 ?do 1ms loop ; > > : busy3 5000 0 ?do pause 1ms loop ;
I can only guess, but it seems that the 1ms delay is way too long. Interrupts are handled inside the inner interpreter and 1ms does not get aborted when an interrupt occurs. That may lead to lost bytes in your input buffer. Matthias ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Amforth-devel mailing list for http://amforth.sf.net/ Amforth-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/amforth-devel
