DOS ain't dead - uart interrupt tx rx in Dos32 bit open watcom

uart interrupt tx rx in Dos32 bit open watcom (Developers)

posted by tom , Germany (West), 27.01.2014, 22:46

> Learned an important lesson about the 16550 FIFO- once in the Interrupt
> Handler, keep looping until all conditions are clear. Can't just service
> one byte and expect the interrupt to be clear. At this point, running
> reliably at 115Kb/s.

see my post from 12.11.2013. might have saved some time ;)

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Complete thread:

uart interrupt tx rx in Dos32 bit open watcom - maui, 11.11.2013, 11:14 (Developers)
- uart interrupt tx rx in Dos32 bit open watcom - RayeR, 11.11.2013, 19:34
  - uart interrupt tx rx in Dos32 bit open watcom - RayeR, 12.11.2013, 01:50
- uart interrupt tx rx in Dos32 bit open watcom - tom, 12.11.2013, 12:24
  - uart interrupt tx rx in Dos32 bit open watcom - RayeR, 12.11.2013, 12:30
  - uart interrupt tx rx in Dos32 bit open watcom - bretjohn, 12.11.2013, 16:55
    - uart interrupt tx rx in Dos32 bit open watcom - maui, 12.11.2013, 19:23
      - uart interrupt tx rx in Dos32 bit open watcom - bretjohn, 12.11.2013, 21:12
      - uart interrupt tx rx in Dos32 bit open watcom - tom, 13.11.2013, 11:22
        uart interrupt tx rx in Dos32 bit open watcom - maui, 13.11.2013, 15:49
        uart interrupt tx rx in Dos32 bit open watcom - Oso2k, 13.11.2013, 22:26
        uart interrupt tx rx in Dos32 bit open watcom - maui, 15.11.2013, 19:43
        uart interrupt tx rx in Dos32 bit open watcom - tom, 16.11.2013, 19:02
        uart interrupt tx rx in Dos32 bit open watcom - Brian_extended, 17.11.2013, 04:21
        uart interrupt tx rx in Dos32 bit open watcom - maui, 19.11.2013, 12:42
        uart interrupt tx rx in Dos32 bit open watcom - Brian_extended, 19.11.2013, 20:59
        uart interrupt tx rx in Dos32 bit open watcom - Brian_extended, 22.11.2013, 15:22
        uart interrupt tx rx in Dos32 bit open watcom - Brian_extended, 23.11.2013, 03:09
        uart interrupt tx rx in Dos32 bit open watcom - maui, 24.11.2013, 13:45
        uart interrupt tx rx in Dos32 bit open watcom - Brian_extended, 26.11.2013, 23:25
        uart interrupt tx rx in Dos32 bit open watcom - RayeR, 27.11.2013, 03:26
        uart interrupt tx rx in Dos32 bit open watcom - Brian_extended, 05.01.2014, 20:42
        uart interrupt tx rx in Dos32 bit open watcom - Brian_extended, 26.01.2014, 02:06
        uart interrupt tx rx in Dos32 bit open watcom - tom, 27.01.2014, 22:46
- uart interrupt tx rx in Dos32 bit open watcom - Brian_extended, 16.11.2013, 01:14
  - uart interrupt tx rx in Dos32 bit open watcom - Brian_extended, 16.11.2013, 01:15
  - uart interrupt tx rx in Dos32 bit open watcom - Brian_extended, 16.11.2013, 01:16
- uart interrupt tx rx in Dos32 bit open watcom - Brian_extended, 16.11.2013, 01:32