€•3      Œsphinx.addnodes”Œdocument”“”)”}”(Œ	rawsource”Œ ”Œchildren”]”(Œtranslations”ŒLanguagesNode”“”)”}”(hhh]”(h Œpending_xref”“”)”}”(hhh]”Œdocutils.nodes”ŒText”“”ŒChinese (Simplified)”…””}”Œparent”hsbaŒ
attributes”}”(Œids”]”Œclasses”]”Œnames”]”Œdupnames”]”Œbackrefs”]”Œ	refdomain”Œstd”Œreftype”Œdoc”Œ	reftarget”Œ$/translations/zh_CN/iio/iio_configfs”Œmodname”NŒ	classname”NŒrefexplicit”ˆuŒtagname”hhhubh)”}”(hhh]”hŒChinese (Traditional)”…””}”hh2sbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ$/translations/zh_TW/iio/iio_configfs”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒItalian”…””}”hhFsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ$/translations/it_IT/iio/iio_configfs”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒJapanese”…””}”hhZsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ$/translations/ja_JP/iio/iio_configfs”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒKorean”…””}”hhnsbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ$/translations/ko_KR/iio/iio_configfs”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒPortuguese (Brazilian)”…””}”hh‚sbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ$/translations/pt_BR/iio/iio_configfs”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubh)”}”(hhh]”hŒSpanish”…””}”hh–sbah}”(h]”h ]”h"]”h$]”h&]”Œ	refdomain”h)Œreftype”h+Œ	reftarget”Œ$/translations/sp_SP/iio/iio_configfs”Œmodname”NŒ	classname”NŒrefexplicit”ˆuh1hhhubeh}”(h]”h ]”h"]”h$]”h&]”Œcurrent_language”ŒEnglish”uh1h
hhŒ	_document”hŒsource”NŒline”NubhŒsection”“”)”}”(hhh]”(hŒtitle”“”)”}”(hŒIndustrial IIO configfs support”h]”hŒIndustrial IIO configfs support”…””}”(hh¼h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hºhh·h²hh³Œ>/var/lib/git/docbuild/linux/Documentation/iio/iio_configfs.rst”h´Kubh¶)”}”(hhh]”(h»)”}”(hŒ1. Overview”h]”hŒ1. Overview”…””}”(hhÎh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hºhhËh²hh³hÊh´KubhŒ	paragraph”“”)”}”(hŒ™Configfs is a filesystem-based manager of kernel objects. IIO uses some
objects that could be easily configured using configfs (e.g.: devices,
triggers).”h]”hŒ™Configfs is a filesystem-based manager of kernel objects. IIO uses some
objects that could be easily configured using configfs (e.g.: devices,
triggers).”…””}”(hhÞh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÜh³hÊh´KhhËh²hubhÝ)”}”(hŒYSee Documentation/filesystems/configfs.rst for more information
about how configfs works.”h]”hŒYSee Documentation/filesystems/configfs.rst for more information
about how configfs works.”…””}”(hhìh²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÜh³hÊh´KhhËh²hubeh}”(h]”Œoverview”ah ]”h"]”Œ1. overview”ah$]”h&]”uh1hµhh·h²hh³hÊh´Kubh¶)”}”(hhh]”(h»)”}”(hŒ2. Usage”h]”hŒ2. Usage”…””}”(hj  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hºhj  h²hh³hÊh´KubhÝ)”}”(hŒsIn order to use configfs support in IIO we need to select it at compile
time via CONFIG_IIO_CONFIGFS config option.”h]”hŒsIn order to use configfs support in IIO we need to select it at compile
time via CONFIG_IIO_CONFIGFS config option.”…””}”(hj  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÜh³hÊh´Khj  h²hubhÝ)”}”(hŒGThen, mount the configfs filesystem (usually under /config directory)::”h]”hŒFThen, mount the configfs filesystem (usually under /config directory):”…””}”(hj!  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÜh³hÊh´Khj  h²hubhŒliteral_block”“”)”}”(hŒ0$ mkdir /config
$ mount -t configfs none /config”h]”hŒ0$ mkdir /config
$ mount -t configfs none /config”…””}”hj1  sbah}”(h]”h ]”h"]”h$]”h&]”Œ	xml:space”Œpreserve”uh1j/  h³hÊh´Khj  h²hubhÝ)”}”(hŒAt this point, all default IIO groups will be created and can be accessed
under /config/iio. Next chapters will describe available IIO configuration
objects.”h]”hŒAt this point, all default IIO groups will be created and can be accessed
under /config/iio. Next chapters will describe available IIO configuration
objects.”…””}”(hjA  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÜh³hÊh´Khj  h²hubeh}”(h]”Œusage”ah ]”h"]”Œ2. usage”ah$]”h&]”uh1hµhh·h²hh³hÊh´Kubh¶)”}”(hhh]”(h»)”}”(hŒ3. Software triggers”h]”hŒ3. Software triggers”…””}”(hjZ  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hºhjW  h²hh³hÊh´KubhÝ)”}”(hŒ¨One of the IIO default configfs groups is the "triggers" group. It is
automagically accessible when the configfs is mounted and can be found
under /config/iio/triggers.”h]”hŒ¬One of the IIO default configfs groups is the â€œtriggersâ€ group. It is
automagically accessible when the configfs is mounted and can be found
under /config/iio/triggers.”…””}”(hjh  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÜh³hÊh´K!hjW  h²hubhÝ)”}”(hŒÚIIO software triggers implementation offers support for creating multiple
trigger types. A new trigger type is usually implemented as a separate
kernel module following the interface in include/linux/iio/sw_trigger.h::”h]”hŒÙIIO software triggers implementation offers support for creating multiple
trigger types. A new trigger type is usually implemented as a separate
kernel module following the interface in include/linux/iio/sw_trigger.h:”…””}”(hjv  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÜh³hÊh´K%hjW  h²hubj0  )”}”(hXO  /*
 * drivers/iio/trigger/iio-trig-sample.c
 * sample kernel module implementing a new trigger type
 */
#include <linux/iio/sw_trigger.h>


static struct iio_sw_trigger *iio_trig_sample_probe(const char *name)
{
      /*
       * This allocates and registers an IIO trigger plus other
       * trigger type specific initialization.
       */
}

static int iio_trig_sample_remove(struct iio_sw_trigger *swt)
{
      /*
       * This undoes the actions in iio_trig_sample_probe
       */
}

static const struct iio_sw_trigger_ops iio_trig_sample_ops = {
      .probe          = iio_trig_sample_probe,
      .remove         = iio_trig_sample_remove,
};

static struct iio_sw_trigger_type iio_trig_sample = {
      .name = "trig-sample",
      .owner = THIS_MODULE,
      .ops = &iio_trig_sample_ops,
};

module_iio_sw_trigger_driver(iio_trig_sample);”h]”hXO  /*
 * drivers/iio/trigger/iio-trig-sample.c
 * sample kernel module implementing a new trigger type
 */
#include <linux/iio/sw_trigger.h>


static struct iio_sw_trigger *iio_trig_sample_probe(const char *name)
{
      /*
       * This allocates and registers an IIO trigger plus other
       * trigger type specific initialization.
       */
}

static int iio_trig_sample_remove(struct iio_sw_trigger *swt)
{
      /*
       * This undoes the actions in iio_trig_sample_probe
       */
}

static const struct iio_sw_trigger_ops iio_trig_sample_ops = {
      .probe          = iio_trig_sample_probe,
      .remove         = iio_trig_sample_remove,
};

static struct iio_sw_trigger_type iio_trig_sample = {
      .name = "trig-sample",
      .owner = THIS_MODULE,
      .ops = &iio_trig_sample_ops,
};

module_iio_sw_trigger_driver(iio_trig_sample);”…””}”hj„  sbah}”(h]”h ]”h"]”h$]”h&]”j?  j@  uh1j/  h³hÊh´K)hjW  h²hubhÝ)”}”(hŒµEach trigger type has its own directory under /config/iio/triggers. Loading
iio-trig-sample module will create 'trig-sample' trigger type directory
/config/iio/triggers/trig-sample.”h]”hŒ¹Each trigger type has its own directory under /config/iio/triggers. Loading
iio-trig-sample module will create â€˜trig-sampleâ€™ trigger type directory
/config/iio/triggers/trig-sample.”…””}”(hj’  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÜh³hÊh´KLhjW  h²hubhÝ)”}”(hŒ;We support the following interrupt sources (trigger types):”h]”hŒ;We support the following interrupt sources (trigger types):”…””}”(hj   h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÜh³hÊh´KPhjW  h²hubhŒblock_quote”“”)”}”(hŒ;* hrtimer, uses high resolution timers as interrupt source
”h]”hŒbullet_list”“”)”}”(hhh]”hŒ	list_item”“”)”}”(hŒ9hrtimer, uses high resolution timers as interrupt source
”h]”hÝ)”}”(hŒ8hrtimer, uses high resolution timers as interrupt source”h]”hŒ8hrtimer, uses high resolution timers as interrupt source”…””}”(hj¿  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÜh³hÊh´KRhj»  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j¹  hj¶  ubah}”(h]”h ]”h"]”h$]”h&]”Œbullet”Œ*”uh1j´  h³hÊh´KRhj°  ubah}”(h]”h ]”h"]”h$]”h&]”uh1j®  h³hÊh´KRhjW  h²hubh¶)”}”(hhh]”(h»)”}”(hŒ-3.1 Hrtimer triggers creation and destruction”h]”hŒ-3.1 Hrtimer triggers creation and destruction”…””}”(hjä  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hºhjá  h²hh³hÊh´KUubhÝ)”}”(hŒ‘Loading iio-trig-hrtimer module will register hrtimer trigger types allowing
users to create hrtimer triggers under /config/iio/triggers/hrtimer.”h]”hŒ‘Loading iio-trig-hrtimer module will register hrtimer trigger types allowing
users to create hrtimer triggers under /config/iio/triggers/hrtimer.”…””}”(hjò  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÜh³hÊh´KWhjá  h²hubhÝ)”}”(hŒe.g::”h]”hŒe.g:”…””}”(hj   h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÜh³hÊh´KZhjá  h²hubj0  )”}”(hŒ]$ mkdir /config/iio/triggers/hrtimer/instance1
$ rmdir /config/iio/triggers/hrtimer/instance1”h]”hŒ]$ mkdir /config/iio/triggers/hrtimer/instance1
$ rmdir /config/iio/triggers/hrtimer/instance1”…””}”hj  sbah}”(h]”h ]”h"]”h$]”h&]”j?  j@  uh1j/  h³hÊh´K\hjá  h²hubhÝ)”}”(hŒJEach trigger can have one or more attributes specific to the trigger type.”h]”hŒJEach trigger can have one or more attributes specific to the trigger type.”…””}”(hj  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÜh³hÊh´K_hjá  h²hubeh}”(h]”Œ)hrtimer-triggers-creation-and-destruction”ah ]”h"]”Œ-3.1 hrtimer triggers creation and destruction”ah$]”h&]”uh1hµhjW  h²hh³hÊh´KUubh¶)”}”(hhh]”(h»)”}”(hŒ&3.2 "hrtimer" trigger types attributes”h]”hŒ*3.2 â€œhrtimerâ€ trigger types attributes”…””}”(hj5  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hºhj2  h²hh³hÊh´KbubhÝ)”}”(hŒÞ"hrtimer" trigger type doesn't have any configurable attribute from /config dir.
It does introduce the sampling_frequency attribute to trigger directory.
That attribute sets the polling frequency in Hz, with mHz precision.”h]”hŒäâ€œhrtimerâ€ trigger type doesnâ€™t have any configurable attribute from /config dir.
It does introduce the sampling_frequency attribute to trigger directory.
That attribute sets the polling frequency in Hz, with mHz precision.”…””}”(hjC  h²hh³Nh´Nubah}”(h]”h ]”h"]”h$]”h&]”uh1hÜh³hÊh´Kdhj2  h²hubeh}”(h]”Œ hrtimer-trigger-types-attributes”ah ]”h"]”Œ&3.2 "hrtimer" trigger types attributes”ah$]”h&]”uh1hµhjW  h²hh³hÊh´Kbubeh}”(h]”Œsoftware-triggers”ah ]”h"]”Œ3. software triggers”ah$]”h&]”uh1hµhh·h²hh³hÊh´Kubeh}”(h]”Œindustrial-iio-configfs-support”ah ]”h"]”Œindustrial iio configfs support”ah$]”h&]”uh1hµhhh²hh³hÊh´Kubeh}”(h]”h ]”h"]”h$]”h&]”Œsource”hÊuh1hŒcurrent_source”NŒcurrent_line”NŒsettings”Œdocutils.frontend”ŒValues”“”)”}”(hºNŒ	generator”NŒ	datestamp”NŒsource_link”NŒ
source_url”NŒtoc_backlinks”Œentry”Œfootnote_backlinks”KŒsectnum_xform”KŒstrip_comments”NŒstrip_elements_with_classes”NŒstrip_classes”NŒreport_level”KŒ
halt_level”KŒexit_status_level”KŒdebug”NŒwarning_stream”NŒ	traceback”ˆŒinput_encoding”Œ	utf-8-sig”Œinput_encoding_error_handler”Œstrict”Œoutput_encoding”Œutf-8”Œoutput_encoding_error_handler”jŒ  Œerror_encoding”Œutf-8”Œerror_encoding_error_handler”Œbackslashreplace”Œlanguage_code”Œen”Œrecord_dependencies”NŒconfig”NŒ	id_prefix”hŒauto_id_prefix”Œid”Œdump_settings”NŒdump_internals”NŒdump_transforms”NŒdump_pseudo_xml”NŒexpose_internals”NŒstrict_visitor”NŒ_disable_config”NŒ_source”hÊŒ_destination”NŒ_config_files”]”Œ7/var/lib/git/docbuild/linux/Documentation/docutils.conf”aŒfile_insertion_enabled”ˆŒraw_enabled”KŒline_length_limit”M'Œpep_references”NŒpep_base_url”Œhttps://peps.python.org/”Œpep_file_url_template”Œpep-%04d”Œrfc_references”NŒrfc_base_url”Œ&https://datatracker.ietf.org/doc/html/”Œ	tab_width”KŒtrim_footnote_reference_space”‰Œsyntax_highlight”Œlong”Œsmart_quotes”ˆŒsmartquotes_locales”]”Œcharacter_level_inline_markup”‰Œdoctitle_xform”‰Œdocinfo_xform”KŒsectsubtitle_xform”‰Œimage_loading”Œlink”Œembed_stylesheet”‰Œcloak_email_addresses”ˆŒsection_self_link”‰Œenv”NubŒreporter”NŒindirect_targets”]”Œsubstitution_defs”}”Œsubstitution_names”}”Œrefnames”}”Œrefids”}”Œnameids”}”(jf  jc  hÿhüjT  jQ  j^  j[  j/  j,  jV  jS  uŒ	nametypes”}”(jf  ‰hÿ‰jT  ‰j^  ‰j/  ‰jV  ‰uh}”(jc  h·hühËjQ  j  j[  jW  j,  já  jS  j2  uŒfootnote_refs”}”Œcitation_refs”}”Œautofootnotes”]”Œautofootnote_refs”]”Œsymbol_footnotes”]”Œsymbol_footnote_refs”]”Œ	footnotes”]”Œ	citations”]”Œautofootnote_start”KŒsymbol_footnote_start”K Œ
id_counter”Œcollections”ŒCounter”“”}”…”R”Œparse_messages”]”Œtransform_messages”]”Œtransformer”NŒinclude_log”]”Œ
decoration”Nh²hub.