other versions
- jessie 2.9p8-6
- stretch 3.1p5-1
- testing 3.2p2-2
- stretch-backports 3.2p2-2~bpo9+1
- unstable 3.2p2-2
DS2415(3) | One-Wire File System | DS2415(3) |
NAME¶
DS2415, DS1904, DS2417 - 1-Wire Time Chip, RTC iButton, 1-Wire Time Chip with InterruptSYNOPSIS¶
Real time clock.FAMILY CODE¶
- 24
- DS2415 DS1904
- 27
- DS2417
SPECIAL PROPERTIES¶
date¶
read-write, asciiSat[urday] March 12 12:23:59 2001
Apr[il] 4 9:34:56 2002
3/23/04 23:34:57
current locale setting (your system's format)
enable¶
read-write, yes-nointerval¶
read-write, unsigned integeritime¶
read-write, unsigned integerflags¶
read-write, unsigned integerrunning¶
read-write, yes-noudate¶
read-write, unsigned integerSTANDARD PROPERTIES¶
address¶
r_address¶
read-only, asciicrc8¶
read-only, asciifamily¶
read-only, asciiid¶
r_id¶
read-only, asciilocator¶
r_locator¶
read-only, asciipresent (DEPRECATED)¶
read-only, yes-notype¶
read-only, asciiALARMS¶
None implemented.DESCRIPTION¶
1-Wire¶
1-wire is a wiring protocol and series of devices designed and manufactured by Dallas Semiconductor, Inc. The bus is a low-power low-speed low-connector scheme where the data line can also provide power. Each device is uniquely and unalterably numbered during manufacture. There are a wide variety of devices, including memory, sensors (humidity, temperature, voltage, contact, current), switches, timers and data loggers. More complex devices (like thermocouple sensors) can be built with these basic devices. There are also 1-wire devices that have encryption included. The 1-wire scheme uses a single bus master and multiple slaves on the same wire. The bus master initiates all communication. The slaves can be individually discovered and addressed using their unique ID. Bus masters come in a variety of configurations including serial, parallel, i2c, network or USB adapters.OWFS design¶
OWFS is a suite of programs that designed to make the 1-wire bus and its devices easily accessible. The underlying priciple is to create a virtual filesystem, with the unique ID being the directory, and the individual properties of the device are represented as simple files that can be read and written. Details of the individual slave or master design are hidden behind a consistent interface. The goal is to provide an easy set of tools for a software designer to create monitoring or control applications. There are some performance enhancements in the implementation, including data caching, parallel access to bus masters, and aggregation of device communication. Still the fundemental goal has been ease of use, flexibility and correctness rather than speed.DS2415 DS1904¶
The DS2415 (3) and DS1904 (3) are simple clocks that can be read on the 1-wire bus. They can also be used the time an event, for remote confirmation.DS2417¶
The DS2417 has the same clock function, but also includes a programmable interval interrupt. Values Allowed are:ADDRESSING¶
All 1-wire devices are factory assigned a unique 64-bit address. This address is of the form:- Family Code
- 8 bits
- Address
- 48 bits
- CRC
- 8 bits
- 01.123456789ABC
DATASHEET¶
http://pdfserv.maxim-ic.com/en/ds/DS2415.pdfSEE ALSO¶
Programs¶
owfs (1) owhttpd (1) owftpd (1) owserver (1) owdir (1) owread (1) owwrite (1) owpresent (1) owtap (1)Configuration and testing¶
owfs (5) owtap (1) owmon (1)Language bindings¶
owtcl (3) owperl (3) owcapi (3)Clocks¶
DS1427 (3) DS1904(3) DS1994 (3) DS2404 (3) DS2404S (3) DS2415 (3) DS2417 (3)ID¶
DS2401 (3) DS2411 (3) DS1990A (3)Memory¶
DS1982 (3) DS1985 (3) DS1986 (3) DS1991 (3) DS1992 (3) DS1993 (3) DS1995 (3) DS1996 (3) DS2430A (3) DS2431 (3) DS2433 (3) DS2502 (3) DS2506 (3) DS28E04 (3) DS28EC20 (3)Switches¶
DS2405 (3) DS2406 (3) DS2408 (3) DS2409 (3) DS2413 (3) DS28EA00 (3)Temperature¶
DS1822 (3) DS1825 (3) DS1820 (3) DS18B20 (3) DS18S20 (3) DS1920 (3) DS1921 (3) DS1821 (3) DS28EA00 (3) DS28E04 (3) EDS0064 (3) EDS0065 (3) EDS0066 (3) EDS0067 (3) EDS0068 (3) EDS0071 (3) EDS0072 (3) MAX31826 (3)Humidity¶
DS1922 (3) DS2438 (3) EDS0065 (3) EDS0068 (3)Voltage¶
DS2450 (3)Resistance¶
DS2890 (3)Multifunction (current, voltage, temperature)¶
DS2436 (3) DS2437 (3) DS2438 (3) DS2751 (3) DS2755 (3) DS2756 (3) DS2760 (3) DS2770 (3) DS2780 (3) DS2781 (3) DS2788 (3) DS2784 (3)Counter¶
DS2423 (3)LCD Screen¶
LCD (3) DS2408 (3)Crypto¶
DS1977 (3)Pressure¶
DS2406 (3) TAI8570 EDS0066 (3) EDS0068 (3)Moisture¶
EEEF (3) DS2438 (3)AVAILABILITY¶
http://www.owfs.orgAUTHOR¶
Paul Alfille (paul.alfille@gmail.com)2003 | OWFS Manpage |