From df4d8963de1c105cd57111a1a4419a226bd5df80 Mon Sep 17 00:00:00 2001 From: Ian Abbott Date: Fri, 4 May 2012 18:45:33 +0100 Subject: [PATCH] doc/other.xml, reference.xml: Slowly varying inputs and comedi triggers Mention that the stuff that relies on the COMEDI_TRIG ioctl, including the slowly varying input (comedi_sv_...) functions no longer work with current versions of the Comedi kernel layer. --- doc/other.xml | 6 ++++++ doc/reference.xml | 6 +++--- 2 files changed, 9 insertions(+), 3 deletions(-) diff --git a/doc/other.xml b/doc/other.xml index b530616..f398024 100644 --- a/doc/other.xml +++ b/doc/other.xml @@ -1259,6 +1259,12 @@ do not have infinitely sharp cutoffs. Slowly-varying inputs + +Note: The functions described here use an old +feature that is no longer implemented by the &comedi; +kernel layer. THEY WILL NOT WORK! + + Sometimes, your input channels change slowly enough that you are able to average many successive input values to get a diff --git a/doc/reference.xml b/doc/reference.xml index 08c4c3b..3d2afb1 100644 --- a/doc/reference.xml +++ b/doc/reference.xml @@ -368,7 +368,7 @@ struct comedi_trig_struct{ The comedi_trig structure is a control structure used by the COMEDI_TRIG ioctl, an older method of communicating instructions to the driver and hardware. Use of comedi_trig is -deprecated, and should not be used in new applications. +deprecated, and is no longer implemented by the &comedi; kernel layer. @@ -399,8 +399,8 @@ struct comedi_sv_struct{ The comedi_sv_t structure is used by the comedi_sv_… functions to provide a simple method of accurately measuring -slowly varying inputs. See the relevant section for more -details. +slowly varying inputs. This relies on the COMEDI_TRIG +ioctl and is no longer by the &comedi; kernel layer. -- 2.26.2