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"info": {
"author": "Alexey McSakoff",
"author_email": "mcsakoff@gmail.com",
"bugtrack_url": null,
"classifiers": [
"Development Status :: 4 - Beta",
"Intended Audience :: Developers",
"Operating System :: POSIX",
"Operating System :: POSIX :: Linux",
"Programming Language :: Python",
"Programming Language :: Python :: 2.7",
"Programming Language :: Python :: 3.3",
"Programming Language :: Python :: 3.4",
"Topic :: Communications",
"Topic :: Software Development :: Libraries",
"Topic :: Software Development :: Libraries :: Python Modules",
"Topic :: System :: Hardware",
"Topic :: System :: Hardware :: Hardware Drivers"
],
"description": "==========\nPyDigiTemp\n==========\n\nPython implementation of 1-Wire protocol.\n\nOriginally written to replace `digitemp `_ utility in my pet project\nand get direct access to 1-wire devices. It was created for reading DS1820 temperature sensor connected\nto RS232 serial port through DS9097 adapter.\n\nDocumentation used\n==================\n\n * `Using an UART to Implement a 1-Wire Bus Master `_\n * `Book of iButton\u00ae Standards `_ (PDF)\n * `DS18S20 High-Precision 1-Wire Digital Thermometer `_ (PDF)\n\nSupported Hardware\n==================\n\nMaster\n------\n\n * `DS9097 `_ - COM port adapter which performs RS-232C level conversion.\n * Custom 1-wire serial port interface (see below).\n\nSlave\n-----\n\n * `DS1820 / DS18S20 / DS1920 `_ - High-Precision Temperature Sensor.\n * `DS18B20 `_ - Programmable Resolution Temperature Sensor.\n * `DS1822 `_ - Econo Temperature Sensor.\n\nUsage\n=====\n\nFind ROM codes for all connected devices::\n\n from digitemp.master import UART_Adapter\n from digitemp.device import AddressableDevice\n\n print(AddressableDevice(UART_Adapter('/dev/ttyS0')).get_connected_ROMs())\n # ['108739A80208006F', '10A75CA80208001A']\n\nGet temperature::\n\n from digitemp.master import UART_Adapter\n from digitemp.device import DS1820\n\n bus = UART_Adapter('/dev/ttyS0') # DS9097 connected to COM1\n\n # only one 1-wire device on the bus:\n sensor = DS1820(bus)\n\n # specify device's ROM code if more than one 1-wire device on the bus:\n sensor = DS1820(bus, rom='10D67E5B02080037')\n\n # display sensor's information\n sensor.info()\n\n # get temperature\n print(sensor.get_temperature())\n # 25.48\n\nSet resolution for DS18B20 and DS1822)::\n\n from digitemp.device import DS18B20\n sensor = DS18B20(bus)\n\n sensor.set_resolution(DS18B20.RES_9_BIT)\n\n`digitemp.device` module provides following classes:\n\n * `DS18S20` - for DS1820, DS18S20 and DS1920 High-Precision Temperature Sensors (family code: `0x10`);\n * `DS18B20` - for DS18B20 Programmable Resolution Temperature Sensors (family code: `0x28`);\n * `DS1822` - for DS1822 Econo Temperature Sensor (family code: `0x22`)\n * `DS1820`, `DS1920` - are aliases for `DS18S20`\n\nSchematics\n==========\n\nIMPORTANT DISCLAIMER: All circuits presented here are collected from different sources on the Internet and thus are\nprovided on an entirely \"as-is and no guarantees\" basis. We do not provide a warranty of any kind and cannot be held\nresponsible in any manner.\n\n1-wire serial port interface\n----------------------------\n\nSee `Serial Port Temperature Sensors - Hardware Interface `_\nfor details.\n\n1-wire USB/UART adapter\n-----------------------\n\nThese are tested:\n\n * [ds18b20-uart.svg](docs/ds18b20-uart.svg)\n * [ds18b20-uart-par.svg](docs/ds18b20-uart-par.svg)\n * [ds18b20-uart-dioda.svg](docs/ds18b20-uart-dioda.svg)\n * [ds18b20-uart-diodapar.svg](docs/ds18b20-uart-diodapar.svg)\n\nNot all schematics work in all cases, depending on adapter and cable length.\n\nThese are not tested yet:\n\n * [ds18b20-uart-mosfet.svg](docs/ds18b20-uart-mosfet.svg)\n * [ds18b20-uart-npn.svg](docs/ds18b20-uart-npn.svg)\n\nLicense\n=======\n\nPython license. In short, you can use this product in commercial and non-commercial applications,\nmodify it, redistribute it. A notification to the author when you use and/or modify it is welcome.\n\nSee the LICENSE file for the actual text of the license.",
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