Asphinx.addnodesdocument)}( rawsourcechildren]( translations LanguagesNode)}(hhh](h pending_xref)}(hhh]docutils.nodesTextChinese (Simplified)}parenthsba attributes}(ids]classes]names]dupnames]backrefs] refdomainstdreftypedoc reftarget/translations/zh_CN/hwmon/sht15modnameN classnameN refexplicitutagnamehhh ubh)}(hhh]hChinese (Traditional)}hh2sbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget/translations/zh_TW/hwmon/sht15modnameN classnameN refexplicituh1hhh ubh)}(hhh]hItalian}hhFsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget/translations/it_IT/hwmon/sht15modnameN classnameN refexplicituh1hhh ubh)}(hhh]hJapanese}hhZsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget/translations/ja_JP/hwmon/sht15modnameN classnameN refexplicituh1hhh ubh)}(hhh]hKorean}hhnsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget/translations/ko_KR/hwmon/sht15modnameN classnameN refexplicituh1hhh ubh)}(hhh]hSpanish}hhsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget/translations/sp_SP/hwmon/sht15modnameN classnameN refexplicituh1hhh ubeh}(h]h ]h"]h$]h&]current_languageEnglishuh1h hh _documenthsourceNlineNubhsection)}(hhh](htitle)}(hKernel driver sht15h]hKernel driver sht15}(hhhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhhh9/var/lib/git/docbuild/linux/Documentation/hwmon/sht15.rsthKubh paragraph)}(hAuthors:h]hAuthors:}(hhhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhhhhubh block_quote)}(h* Wouter Horre * Jonathan Cameron * Vivien Didelot * Jerome Oufella h]h bullet_list)}(hhh](h list_item)}(h Wouter Horreh]h)}(hhh]h Wouter Horre}(hhhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhhubah}(h]h ]h"]h$]h&]uh1hhhubh)}(hJonathan Cameronh]h)}(hhh]hJonathan Cameron}(hhhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhhubah}(h]h ]h"]h$]h&]uh1hhhubh)}(h4Vivien Didelot h]h)}(hjh](hVivien Didelot <}(hjhhhNhNubh reference)}(h#vivien.didelot@savoirfairelinux.comh]h#vivien.didelot@savoirfairelinux.com}(hjhhhNhNubah}(h]h ]h"]h$]h&]refuri*mailto:vivien.didelot@savoirfairelinux.comuh1j hjubh>}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1hhhubh)}(h5Jerome Oufella h]h)}(h4Jerome Oufella h](hJerome Oufella <}(hj3hhhNhNubj)}(h#jerome.oufella@savoirfairelinux.comh]h#jerome.oufella@savoirfairelinux.com}(hj;hhhNhNubah}(h]h ]h"]h$]h&]refuri*mailto:jerome.oufella@savoirfairelinux.comuh1j hj3ubh>}(hj3hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhK hj/ubah}(h]h ]h"]h$]h&]uh1hhhubeh}(h]h ]h"]h$]h&]bullet*uh1hhhhKhhubah}(h]h ]h"]h$]h&]uh1hhhhKhhhhubh)}(hSupported chips:h]hSupported chips:}(hjihhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK hhhhubh)}(h* Sensirion SHT10 Prefix: 'sht10' * Sensirion SHT11 Prefix: 'sht11' * Sensirion SHT15 Prefix: 'sht15' * Sensirion SHT71 Prefix: 'sht71' * Sensirion SHT75 Prefix: 'sht75' h]h)}(hhh](h)}(h!Sensirion SHT10 Prefix: 'sht10' h](h)}(hSensirion SHT10h]hSensirion SHT10}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK hj~ubh)}(hPrefix: 'sht10'h]hPrefix: ‘sht10’}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhj~ubeh}(h]h ]h"]h$]h&]uh1hhj{ubh)}(h!Sensirion SHT11 Prefix: 'sht11' h](h)}(hSensirion SHT11h]hSensirion SHT11}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubh)}(hPrefix: 'sht11'h]hPrefix: ‘sht11’}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubeh}(h]h ]h"]h$]h&]uh1hhj{ubh)}(h!Sensirion SHT15 Prefix: 'sht15' h](h)}(hSensirion SHT15h]hSensirion SHT15}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubh)}(hPrefix: 'sht15'h]hPrefix: ‘sht15’}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubeh}(h]h ]h"]h$]h&]uh1hhj{ubh)}(h!Sensirion SHT71 Prefix: 'sht71' h](h)}(hSensirion SHT71h]hSensirion SHT71}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubh)}(hPrefix: 'sht71'h]hPrefix: ‘sht71’}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubeh}(h]h ]h"]h$]h&]uh1hhj{ubh)}(h!Sensirion SHT75 Prefix: 'sht75' h](h)}(hSensirion SHT75h]hSensirion SHT75}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubh)}(hPrefix: 'sht75'h]hPrefix: ‘sht75’}(hj(hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubeh}(h]h ]h"]h$]h&]uh1hhj{ubeh}(h]h ]h"]h$]h&]jajbuh1hhhhK hjwubah}(h]h ]h"]h$]h&]uh1hhhhK hhhhubh)}(h6Datasheet: Publicly available at the Sensirion websiteh]h6Datasheet: Publicly available at the Sensirion website}(hjHhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK!hhhhubh)}(hWhttp://www.sensirion.ch/en/pdf/product_information/Datasheet-humidity-sensor-SHT1x.pdf h]h)}(hVhttp://www.sensirion.ch/en/pdf/product_information/Datasheet-humidity-sensor-SHT1x.pdfh]j)}(hj\h]hVhttp://www.sensirion.ch/en/pdf/product_information/Datasheet-humidity-sensor-SHT1x.pdf}(hj^hhhNhNubah}(h]h ]h"]h$]h&]refurij\uh1j hjZubah}(h]h ]h"]h$]h&]uh1hhhhK#hjVubah}(h]h ]h"]h$]h&]uh1hhhhK#hhhhubh)}(hhh](h)}(h Descriptionh]h Description}(hj{hhhNhNubah}(h]h ]h"]h$]h&]uh1hhjxhhhhhK&ubh)}(hOThe SHT10, SHT11, SHT15, SHT71, and SHT75 are humidity and temperature sensors.h]hOThe SHT10, SHT11, SHT15, SHT71, and SHT75 are humidity and temperature sensors.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK(hjxhhubh)}(h-The devices communicate using two GPIO lines.h]h-The devices communicate using two GPIO lines.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK+hjxhhubh)}(hSupported resolutions for the measurements are 14 bits for temperature and 12 bits for humidity, or 12 bits for temperature and 8 bits for humidity.h]hSupported resolutions for the measurements are 14 bits for temperature and 12 bits for humidity, or 12 bits for temperature and 8 bits for humidity.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK-hjxhhubh)}(hX4The humidity calibration coefficients are programmed into an OTP memory on the chip. These coefficients are used to internally calibrate the signals from the sensors. Disabling the reload of those coefficients allows saving 10ms for each measurement and decrease power consumption, while losing on precision.h]hX4The humidity calibration coefficients are programmed into an OTP memory on the chip. These coefficients are used to internally calibrate the signals from the sensors. Disabling the reload of those coefficients allows saving 10ms for each measurement and decrease power consumption, while losing on precision.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK0hjxhhubh)}(h-Some options may be set via sysfs attributes.h]h-Some options may be set via sysfs attributes.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK5hjxhhubhdefinition_list)}(hhh]hdefinition_list_item)}(hNotes: * The regulator supply name is set to "vcc". * If a CRC validation fails, a soft reset command is sent, which resets status register to its hardware default value, but the driver will try to restore the previous device configuration. h](hterm)}(hNotes:h]hNotes:}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhhhK;hjubh definition)}(hhh]h)}(hhh](h)}(h*The regulator supply name is set to "vcc".h]h)}(hjh]h.The regulator supply name is set to “vcc”.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK8hjubah}(h]h ]h"]h$]h&]uh1hhjubh)}(hIf a CRC validation fails, a soft reset command is sent, which resets status register to its hardware default value, but the driver will try to restore the previous device configuration. h]h)}(hIf a CRC validation fails, a soft reset command is sent, which resets status register to its hardware default value, but the driver will try to restore the previous device configuration.h]hIf a CRC validation fails, a soft reset command is sent, which resets status register to its hardware default value, but the driver will try to restore the previous device configuration.}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK9hj ubah}(h]h ]h"]h$]h&]uh1hhjubeh}(h]h ]h"]h$]h&]jajbuh1hhhhK8hjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhhhK;hjubah}(h]h ]h"]h$]h&]uh1jhjxhhhNhNubeh}(h] descriptionah ]h"] descriptionah$]h&]uh1hhhhhhhhK&ubh)}(hhh](h)}(h Platform datah]h Platform data}(hjDhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjAhhhhhK>ubh)}(hhh](h)}(hUchecksum: set it to true to enable CRC validation of the readings (default to false).h]h)}(hUchecksum: set it to true to enable CRC validation of the readings (default to false).h]hUchecksum: set it to true to enable CRC validation of the readings (default to false).}(hjYhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK@hjUubah}(h]h ]h"]h$]h&]uh1hhjRhhhhhNubh)}(hJno_otp_reload: flag to indicate not to reload from OTP (default to false).h]h)}(hJno_otp_reload: flag to indicate not to reload from OTP (default to false).h]hJno_otp_reload: flag to indicate not to reload from OTP (default to false).}(hjqhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKBhjmubah}(h]h ]h"]h$]h&]uh1hhjRhhhhhNubh)}(hYlow_resolution: flag to indicate the temp/humidity resolution to use (default to false). h]h)}(hXlow_resolution: flag to indicate the temp/humidity resolution to use (default to false).h]hXlow_resolution: flag to indicate the temp/humidity resolution to use (default to false).}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKDhjubah}(h]h ]h"]h$]h&]uh1hhjRhhhhhNubeh}(h]h ]h"]h$]h&]jajbuh1hhhhK@hjAhhubeh}(h] platform-dataah ]h"] platform dataah$]h&]uh1hhhhhhhhK>ubh)}(hhh](h)}(hSysfs interfaceh]hSysfs interface}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhhhhhKHubhtable)}(hhh]htgroup)}(hhh](hcolspec)}(hhh]h}(h]h ]h"]h$]h&]colwidthKuh1jhjubj)}(hhh]h}(h]h ]h"]h$]h&]colwidthK:uh1jhjubhtbody)}(hhh](hrow)}(hhh](hentry)}(hhh]h)}(h temp1_inputh]h temp1_input}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKKhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(htemperature inputh]htemperature input}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKKhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh](j)}(hhh]h)}(hhumidity1_inputh]hhumidity1_input}(hj"hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKLhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(hhumidity inputh]hhumidity input}(hj9hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKLhj6ubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh](j)}(hhh]h)}(h heater_enableh]h heater_enable}(hjYhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKMhjVubah}(h]h ]h"]h$]h&]uh1jhjSubj)}(hhh]h)}(hzwrite 1 in this attribute to enable the on-chip heater, 0 to disable it. Be careful not to enable the heater for too long.h]hzwrite 1 in this attribute to enable the on-chip heater, 0 to disable it. Be careful not to enable the heater for too long.}(hjphhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKMhjmubah}(h]h ]h"]h$]h&]uh1jhjSubeh}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh](j)}(hhh]h)}(h temp1_faulth]h temp1_fault}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKPhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(hVif 1, this means that the voltage is low (below 2.47V) and measurement may be invalid.h]hVif 1, this means that the voltage is low (below 2.47V) and measurement may be invalid.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKPhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh](j)}(hhh]h)}(hhumidity1_faulth]hhumidity1_fault}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKRhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(hsame as temp1_fault.h]hsame as temp1_fault.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKRhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]colsKuh1jhjubah}(h]h ]h"]h$]h&]uh1jhjhhhhhNubeh}(h]sysfs-interfaceah ]h"]sysfs interfaceah$]h&]uh1hhhhhhhhKHubeh}(h]kernel-driver-sht15ah ]h"]kernel driver sht15ah$]h&]uh1hhhhhhhhKubeh}(h]h ]h"]h$]h&]sourcehuh1hcurrent_sourceN current_lineNsettingsdocutils.frontendValues)}(hN generatorN datestampN source_linkN source_urlN toc_backlinksjfootnote_backlinksK sectnum_xformKstrip_commentsNstrip_elements_with_classesN strip_classesN report_levelK halt_levelKexit_status_levelKdebugNwarning_streamN tracebackinput_encoding utf-8-siginput_encoding_error_handlerstrictoutput_encodingutf-8output_encoding_error_handlerj=error_encodingutf-8error_encoding_error_handlerbackslashreplace language_codeenrecord_dependenciesNconfigN id_prefixhauto_id_prefixid dump_settingsNdump_internalsNdump_transformsNdump_pseudo_xmlNexpose_internalsNstrict_visitorN_disable_configN_sourceh _destinationN _config_files]7/var/lib/git/docbuild/linux/Documentation/docutils.confafile_insertion_enabled raw_enabledKline_length_limitM'pep_referencesN pep_base_urlhttps://peps.python.org/pep_file_url_templatepep-%04drfc_referencesN rfc_base_url&https://datatracker.ietf.org/doc/html/ tab_widthKtrim_footnote_reference_spacesyntax_highlightlong smart_quotessmartquotes_locales]character_level_inline_markupdoctitle_xform docinfo_xformKsectsubtitle_xform image_loadinglinkembed_stylesheetcloak_email_addressessection_self_linkenvNubreporterNindirect_targets]substitution_defs}substitution_names}refnames}refids}nameids}(jjj>j;jjjj u nametypes}(jj>jjuh}(jhj;jxjjAj ju footnote_refs} citation_refs} autofootnotes]autofootnote_refs]symbol_footnotes]symbol_footnote_refs] footnotes] citations]autofootnote_startKsymbol_footnote_startK id_counter collectionsCounter}Rparse_messages]transform_messages] transformerN include_log] decorationNhhub.