*Xsphinx.addnodesdocument)}( rawsourcechildren]( translations LanguagesNode)}(hhh](h pending_xref)}(hhh]docutils.nodesTextChinese (Simplified)}parenthsba attributes}(ids]classes]names]dupnames]backrefs] refdomainstdreftypedoc reftarget!/translations/zh_CN/spi/butterflymodnameN classnameN refexplicitutagnamehhh ubh)}(hhh]hChinese (Traditional)}hh2sbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget!/translations/zh_TW/spi/butterflymodnameN classnameN refexplicituh1hhh ubh)}(hhh]hItalian}hhFsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget!/translations/it_IT/spi/butterflymodnameN classnameN refexplicituh1hhh ubh)}(hhh]hJapanese}hhZsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget!/translations/ja_JP/spi/butterflymodnameN classnameN refexplicituh1hhh ubh)}(hhh]hKorean}hhnsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget!/translations/ko_KR/spi/butterflymodnameN classnameN refexplicituh1hhh ubh)}(hhh]hPortuguese (Brazilian)}hhsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget!/translations/pt_BR/spi/butterflymodnameN classnameN refexplicituh1hhh ubh)}(hhh]hSpanish}hhsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget!/translations/sp_SP/spi/butterflymodnameN classnameN refexplicituh1hhh ubeh}(h]h ]h"]h$]h&]current_languageEnglishuh1h hh _documenthsourceNlineNubhsection)}(hhh](htitle)}(h3spi_butterfly - parport-to-butterfly adapter driverh]h3spi_butterfly - parport-to-butterfly adapter driver}(hhhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhhh;/var/lib/git/docbuild/linux/Documentation/spi/butterfly.rsthKubh paragraph)}(hXThis is a hardware and software project that includes building and using a parallel port adapter cable, together with an "AVR Butterfly" to run firmware for user interfacing and/or sensors. A Butterfly is a $US20 battery powered card with an AVR microcontroller and lots of goodies: sensors, LCD, flash, toggle stick, and more. You can use AVR-GCC to develop firmware for this, and flash it using this adapter cable.h]hXThis is a hardware and software project that includes building and using a parallel port adapter cable, together with an “AVR Butterfly” to run firmware for user interfacing and/or sensors. A Butterfly is a $US20 battery powered card with an AVR microcontroller and lots of goodies: sensors, LCD, flash, toggle stick, and more. You can use AVR-GCC to develop firmware for this, and flash it using this adapter cable.}(hhhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhhhhubh)}(hXYou can make this adapter from an old printer cable and solder things directly to the Butterfly. Or (if you have the parts and skills) you can come up with something fancier, providing circuit protection to the Butterfly and the printer port, or with a better power supply than two signal pins from the printer port. Or for that matter, you can use similar cables to talk to many AVR boards, even a breadboard.h]hXYou can make this adapter from an old printer cable and solder things directly to the Butterfly. Or (if you have the parts and skills) you can come up with something fancier, providing circuit protection to the Butterfly and the printer port, or with a better power supply than two signal pins from the printer port. Or for that matter, you can use similar cables to talk to many AVR boards, even a breadboard.}(hhhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK hhhhubh)}(hXThis is more powerful than "ISP programming" cables since it lets kernel SPI protocol drivers interact with the AVR, and could even let the AVR issue interrupts to them. Later, your protocol driver should work easily with a "real SPI controller", instead of this bitbanger.h]hXThis is more powerful than “ISP programming” cables since it lets kernel SPI protocol drivers interact with the AVR, and could even let the AVR issue interrupts to them. Later, your protocol driver should work easily with a “real SPI controller”, instead of this bitbanger.}(hhhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhhhhubh)}(hXJThe first cable connections will hook Linux up to one SPI bus, with the AVR and a DataFlash chip; and to the AVR reset line. This is all you need to reflash the firmware, and the pins are the standard Atmel "ISP" connector pins (used also on non-Butterfly AVR boards). On the parport side this is like "sp12" programming cables.h]hXRThe first cable connections will hook Linux up to one SPI bus, with the AVR and a DataFlash chip; and to the AVR reset line. This is all you need to reflash the firmware, and the pins are the standard Atmel “ISP” connector pins (used also on non-Butterfly AVR boards). On the parport side this is like “sp12” programming cables.}(hhhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhhhhubh block_quote)}(hX====== ============= =================== Signal Butterfly Parport (DB-25) ====== ============= =================== SCK J403.PB1/SCK pin 2/D0 RESET J403.nRST pin 3/D1 VCC J403.VCC_EXT pin 8/D6 MOSI J403.PB2/MOSI pin 9/D7 MISO J403.PB3/MISO pin 11/S7,nBUSY GND J403.GND pin 23/GND ====== ============= =================== h]htable)}(hhh]htgroup)}(hhh](hcolspec)}(hhh]h}(h]h ]h"]h$]h&]colwidthKuh1jhjubj)}(hhh]h}(h]h ]h"]h$]h&]colwidthK uh1jhjubj)}(hhh]h}(h]h ]h"]h$]h&]colwidthKuh1jhjubhthead)}(hhh]hrow)}(hhh](hentry)}(hhh]h)}(hSignalh]hSignal}(hjDhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK hjAubah}(h]h ]h"]h$]h&]uh1j?hj<ubj@)}(hhh]h)}(h Butterflyh]h Butterfly}(hj[hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK hjXubah}(h]h ]h"]h$]h&]uh1j?hj<ubj@)}(hhh]h)}(hParport (DB-25)h]hParport (DB-25)}(hjrhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK hjoubah}(h]h ]h"]h$]h&]uh1j?hj<ubeh}(h]h ]h"]h$]h&]uh1j:hj7ubah}(h]h ]h"]h$]h&]uh1j5hjubhtbody)}(hhh](j;)}(hhh](j@)}(hhh]h)}(hSCKh]hSCK}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK"hjubah}(h]h ]h"]h$]h&]uh1j?hjubj@)}(hhh]h)}(h J403.PB1/SCKh]h J403.PB1/SCK}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK"hjubah}(h]h ]h"]h$]h&]uh1j?hjubj@)}(hhh]h)}(hpin 2/D0h]hpin 2/D0}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK"hjubah}(h]h ]h"]h$]h&]uh1j?hjubeh}(h]h ]h"]h$]h&]uh1j:hjubj;)}(hhh](j@)}(hhh]h)}(hRESETh]hRESET}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK#hjubah}(h]h ]h"]h$]h&]uh1j?hjubj@)}(hhh]h)}(h J403.nRSTh]h J403.nRST}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK#hjubah}(h]h ]h"]h$]h&]uh1j?hjubj@)}(hhh]h)}(hpin 3/D1h]hpin 3/D1}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK#hjubah}(h]h ]h"]h$]h&]uh1j?hjubeh}(h]h ]h"]h$]h&]uh1j:hjubj;)}(hhh](j@)}(hhh]h)}(hVCCh]hVCC}(hj9hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK$hj6ubah}(h]h ]h"]h$]h&]uh1j?hj3ubj@)}(hhh]h)}(h J403.VCC_EXTh]h J403.VCC_EXT}(hjPhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK$hjMubah}(h]h ]h"]h$]h&]uh1j?hj3ubj@)}(hhh]h)}(hpin 8/D6h]hpin 8/D6}(hjghhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK$hjdubah}(h]h ]h"]h$]h&]uh1j?hj3ubeh}(h]h ]h"]h$]h&]uh1j:hjubj;)}(hhh](j@)}(hhh]h)}(hMOSIh]hMOSI}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK%hjubah}(h]h ]h"]h$]h&]uh1j?hjubj@)}(hhh]h)}(h J403.PB2/MOSIh]h J403.PB2/MOSI}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK%hjubah}(h]h ]h"]h$]h&]uh1j?hjubj@)}(hhh]h)}(hpin 9/D7h]hpin 9/D7}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK%hjubah}(h]h ]h"]h$]h&]uh1j?hjubeh}(h]h ]h"]h$]h&]uh1j:hjubj;)}(hhh](j@)}(hhh]h)}(hMISOh]hMISO}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK&hjubah}(h]h ]h"]h$]h&]uh1j?hjubj@)}(hhh]h)}(h J403.PB3/MISOh]h J403.PB3/MISO}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK&hjubah}(h]h ]h"]h$]h&]uh1j?hjubj@)}(hhh]h)}(hpin 11/S7,nBUSYh]hpin 11/S7,nBUSY}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK&hjubah}(h]h ]h"]h$]h&]uh1j?hjubeh}(h]h ]h"]h$]h&]uh1j:hjubj;)}(hhh](j@)}(hhh]h)}(hGNDh]hGND}(hj#hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK'hj ubah}(h]h ]h"]h$]h&]uh1j?hjubj@)}(hhh]h)}(hJ403.GNDh]hJ403.GND}(hj:hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK'hj7ubah}(h]h ]h"]h$]h&]uh1j?hjubj@)}(hhh]h)}(h pin 23/GNDh]h pin 23/GND}(hjQhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK'hjNubah}(h]h ]h"]h$]h&]uh1j?hjubeh}(h]h ]h"]h$]h&]uh1j:hjubeh}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]colsKuh1jhj ubah}(h]h ]h"]h$]h&]uh1j hjubah}(h]h ]h"]h$]h&]uh1jhhhKhhhhubh)}(hThen to let Linux master that bus to talk to the DataFlash chip, you must (a) flash new firmware that disables SPI (set PRR.2, and disable pullups by clearing PORTB.[0-3]); (b) configure the mtd_dataflash driver; and (c) cable in the chipselect.h]hThen to let Linux master that bus to talk to the DataFlash chip, you must (a) flash new firmware that disables SPI (set PRR.2, and disable pullups by clearing PORTB.[0-3]); (b) configure the mtd_dataflash driver; and (c) cable in the chipselect.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK*hhhhubj)}(hX(====== ============ =================== Signal Butterfly Parport (DB-25) ====== ============ =================== VCC J400.VCC_EXT pin 7/D5 SELECT J400.PB0/nSS pin 17/C3,nSELECT GND J400.GND pin 24/GND ====== ============ =================== h]j )}(hhh]j)}(hhh](j)}(hhh]h}(h]h ]h"]h$]h&]colwidthKuh1jhjubj)}(hhh]h}(h]h ]h"]h$]h&]colwidthK uh1jhjubj)}(hhh]h}(h]h ]h"]h$]h&]colwidthKuh1jhjubj6)}(hhh]j;)}(hhh](j@)}(hhh]h)}(hSignalh]hSignal}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK0hjubah}(h]h ]h"]h$]h&]uh1j?hjubj@)}(hhh]h)}(h Butterflyh]h Butterfly}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK0hjubah}(h]h ]h"]h$]h&]uh1j?hjubj@)}(hhh]h)}(hParport (DB-25)h]hParport (DB-25)}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK0hjubah}(h]h ]h"]h$]h&]uh1j?hjubeh}(h]h ]h"]h$]h&]uh1j:hjubah}(h]h ]h"]h$]h&]uh1j5hjubj)}(hhh](j;)}(hhh](j@)}(hhh]h)}(hVCCh]hVCC}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK2hjubah}(h]h ]h"]h$]h&]uh1j?hjubj@)}(hhh]h)}(h J400.VCC_EXTh]h J400.VCC_EXT}(hj1hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK2hj.ubah}(h]h ]h"]h$]h&]uh1j?hjubj@)}(hhh]h)}(hpin 7/D5h]hpin 7/D5}(hjHhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK2hjEubah}(h]h ]h"]h$]h&]uh1j?hjubeh}(h]h ]h"]h$]h&]uh1j:hjubj;)}(hhh](j@)}(hhh]h)}(hSELECTh]hSELECT}(hjhhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK3hjeubah}(h]h ]h"]h$]h&]uh1j?hjbubj@)}(hhh]h)}(h J400.PB0/nSSh]h J400.PB0/nSS}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK3hj|ubah}(h]h ]h"]h$]h&]uh1j?hjbubj@)}(hhh]h)}(hpin 17/C3,nSELECTh]hpin 17/C3,nSELECT}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK3hjubah}(h]h ]h"]h$]h&]uh1j?hjbubeh}(h]h ]h"]h$]h&]uh1j:hjubj;)}(hhh](j@)}(hhh]h)}(hGNDh]hGND}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK4hjubah}(h]h ]h"]h$]h&]uh1j?hjubj@)}(hhh]h)}(hJ400.GNDh]hJ400.GND}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK4hjubah}(h]h ]h"]h$]h&]uh1j?hjubj@)}(hhh]h)}(h pin 24/GNDh]h pin 24/GND}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK4hjubah}(h]h ]h"]h$]h&]uh1j?hjubeh}(h]h ]h"]h$]h&]uh1j:hjubeh}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]colsKuh1jhjubah}(h]h ]h"]h$]h&]uh1j hjubah}(h]h ]h"]h$]h&]uh1jhhhK/hhhhubh)}(hOr you could flash firmware making the AVR into an SPI slave (keeping the DataFlash in reset) and tweak the spi_butterfly driver to make it bind to the driver for your custom SPI-based protocol.h]hOr you could flash firmware making the AVR into an SPI slave (keeping the DataFlash in reset) and tweak the spi_butterfly driver to make it bind to the driver for your custom SPI-based protocol.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK7hhhhubh)}(hXThe "USI" controller, using J405, can also be used for a second SPI bus. That would let you talk to the AVR using custom SPI-with-USI firmware, while letting either Linux or the AVR use the DataFlash. There are plenty of spare parport pins to wire this one up, such as:h]hXThe “USI” controller, using J405, can also be used for a second SPI bus. That would let you talk to the AVR using custom SPI-with-USI firmware, while letting either Linux or the AVR use the DataFlash. There are plenty of spare parport pins to wire this one up, such as:}(hj%hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK;hhhhubj)}(hX====== ============= =================== Signal Butterfly Parport (DB-25) ====== ============= =================== SCK J403.PE4/USCK pin 5/D3 MOSI J403.PE5/DI pin 6/D4 MISO J403.PE6/DO pin 12/S5,nPAPEROUT GND J403.GND pin 22/GND IRQ J402.PF4 pin 10/S6,ACK GND J402.GND(P2) pin 25/GND ====== ============= ===================h]j )}(hhh]j)}(hhh](j)}(hhh]h}(h]h ]h"]h$]h&]colwidthKuh1jhj:ubj)}(hhh]h}(h]h ]h"]h$]h&]colwidthK uh1jhj:ubj)}(hhh]h}(h]h ]h"]h$]h&]colwidthKuh1jhj:ubj6)}(hhh]j;)}(hhh](j@)}(hhh]h)}(hSignalh]hSignal}(hjdhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKAhjaubah}(h]h ]h"]h$]h&]uh1j?hj^ubj@)}(hhh]h)}(h Butterflyh]h Butterfly}(hj{hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKAhjxubah}(h]h ]h"]h$]h&]uh1j?hj^ubj@)}(hhh]h)}(hParport (DB-25)h]hParport (DB-25)}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKAhjubah}(h]h ]h"]h$]h&]uh1j?hj^ubeh}(h]h ]h"]h$]h&]uh1j:hj[ubah}(h]h ]h"]h$]h&]uh1j5hj:ubj)}(hhh](j;)}(hhh](j@)}(hhh]h)}(hSCKh]hSCK}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKChjubah}(h]h ]h"]h$]h&]uh1j?hjubj@)}(hhh]h)}(h J403.PE4/USCKh]h J403.PE4/USCK}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKChjubah}(h]h ]h"]h$]h&]uh1j?hjubj@)}(hhh]h)}(hpin 5/D3h]hpin 5/D3}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKChjubah}(h]h ]h"]h$]h&]uh1j?hjubeh}(h]h ]h"]h$]h&]uh1j:hjubj;)}(hhh](j@)}(hhh]h)}(hMOSIh]hMOSI}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKDhjubah}(h]h ]h"]h$]h&]uh1j?hjubj@)}(hhh]h)}(h J403.PE5/DIh]h J403.PE5/DI}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKDhjubah}(h]h ]h"]h$]h&]uh1j?hjubj@)}(hhh]h)}(hpin 6/D4h]hpin 6/D4}(hj7hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKDhj4ubah}(h]h ]h"]h$]h&]uh1j?hjubeh}(h]h ]h"]h$]h&]uh1j:hjubj;)}(hhh](j@)}(hhh]h)}(hMISOh]hMISO}(hjWhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKEhjTubah}(h]h ]h"]h$]h&]uh1j?hjQubj@)}(hhh]h)}(h J403.PE6/DOh]h J403.PE6/DO}(hjnhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKEhjkubah}(h]h ]h"]h$]h&]uh1j?hjQubj@)}(hhh]h)}(hpin 12/S5,nPAPEROUTh]hpin 12/S5,nPAPEROUT}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKEhjubah}(h]h ]h"]h$]h&]uh1j?hjQubeh}(h]h ]h"]h$]h&]uh1j:hjubj;)}(hhh](j@)}(hhh]h)}(hGNDh]hGND}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKFhjubah}(h]h ]h"]h$]h&]uh1j?hjubj@)}(hhh]h)}(hJ403.GNDh]hJ403.GND}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKFhjubah}(h]h ]h"]h$]h&]uh1j?hjubj@)}(hhh]h)}(h pin 22/GNDh]h pin 22/GND}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKFhjubah}(h]h ]h"]h$]h&]uh1j?hjubeh}(h]h ]h"]h$]h&]uh1j:hjubj;)}(hhh](j@)}(hhh]h)}(hIRQh]hIRQ}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKHhjubah}(h]h ]h"]h$]h&]uh1j?hjubj@)}(hhh]h)}(hJ402.PF4h]hJ402.PF4}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKHhjubah}(h]h ]h"]h$]h&]uh1j?hjubj@)}(hhh]h)}(h pin 10/S6,ACKh]h pin 10/S6,ACK}(hj!hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKHhjubah}(h]h ]h"]h$]h&]uh1j?hjubeh}(h]h ]h"]h$]h&]uh1j:hjubj;)}(hhh](j@)}(hhh]h)}(hGNDh]hGND}(hjAhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKIhj>ubah}(h]h ]h"]h$]h&]uh1j?hj;ubj@)}(hhh]h)}(h J402.GND(P2)h]h J402.GND(P2)}(hjXhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKIhjUubah}(h]h ]h"]h$]h&]uh1j?hj;ubj@)}(hhh]h)}(h pin 25/GNDh]h pin 25/GND}(hjohhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKIhjlubah}(h]h ]h"]h$]h&]uh1j?hj;ubeh}(h]h ]h"]h$]h&]uh1j:hjubeh}(h]h ]h"]h$]h&]uh1jhj:ubeh}(h]h ]h"]h$]h&]colsKuh1jhj7ubah}(h]h ]h"]h$]h&]uh1j hj3ubah}(h]h ]h"]h$]h&]uh1jhhhK@hhhhubeh}(h]1spi-butterfly-parport-to-butterfly-adapter-driverah ]h"]3spi_butterfly - parport-to-butterfly adapter driverah$]h&]uh1hhhhhhhhKubeh}(h]h ]h"]h$]h&]sourcehuh1hcurrent_sourceN current_lineNsettingsdocutils.frontendValues)}(hN generatorN datestampN source_linkN source_urlN toc_backlinksj?footnote_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_handlerjerror_encodingutf-8error_encoding_error_handlerbackslashreplace language_codeenrecord_dependenciesNconfigN id_prefixhauto_id_prefixid dump_settingsNdump_internalsNdump_transformsNdump_pseudo_xmlNexpose_internalsNstrict_visitorN_disable_configN_sourcehʌ _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}jjs nametypes}jsh}jhs 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.