Messages in this thread | | | From | David Brownell <> | Subject | Re: [Patch 0/4] IndustrialIO subsystem (ADCs, accelerometers etc) | Date | Wed, 23 Jul 2008 11:36:25 -0700 |
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On Wednesday 23 July 2008, Jonathan Cameron wrote: > * Software ring buffer support to allow semi regular capture of data form the > device. Typically this will be driven from either datardy events, or from > a periodic timer interrupt (to this end a very simple wrapper for periodic > RTC's is included. This will move to more generic timer interfaces as and when > they become available. For now available rtc's must be registered with the > subsystem via the industrialio_register_ptimer function form within a board > init.
Could you elaborate a bit on why you'd want hardware supported periodic timers, rather than either an hrtimer or a timer? Maybe provide some real-world scenarios where those software abstractions are inappropriate.
I can imagine numerous reasons, but those might not be yours...
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