also, moved the twi code to lib/teensy-2-0/twi*
7.3 KiB
Electronics Stuff
-
- [Resistor Color Codes]
- (http://www.ladyada.net/wiki/lib/exe/fetch.php?hash=a2c6a9&w=501&h=785&media=http%3A%2F%2Fwww.ladyada.net%2Fimages%2Fmetertutorial%2Frescolorcode.jpg)
- image
- from [the Multimeter Tutorial] (http://www.ladyada.net/learn/multimeter/resistance.html) (on http://ladyada.net/)
-
- [Schematic Symbols]
- (http://img.docstoccdn.com/thumb/orig/28066054.png)
- image
-
[Vcc, Vdd, Vss, etc.] (http://encyclobeamia.solarbotics.net/articles/vxx.html)
-
- [Very Basic Circuits]
- (http://www.seattlerobotics.org/encoder/mar97/basics.html)
- column by Kevin Ross for Encoder
-
[Powering Light Emitting Diodes(LEDs)] (http://wolfstone.halloweenhost.com/Lighting/litlpo_PoweringLEDs.html)
- can also be reached via http://thewolfstone.com/ -> [ENTER] ('http://thewolfstone.com/Welcome/Home.html) -> [Wolfstone's Haunted Halloween Page] (http://thewolfstone.com/_ar/Halloween.html) -> [technology] (http://wolfstone.halloweenhost.com/Navigation/TechBase.html) -> [powering LEDs] (http://wolfstone.halloweenhost.com/Lighting/litlpo_PoweringLEDs.html)
-
[All About Circuits : Reference] (http://www.allaboutcircuits.com/vol_5/index.html)
-
[Effects of Varying I2C Pull-Up Resistors] (http://dsscircuits.com/articles/effects-of-varying-i2c-pull-up-resistors.html) : article by Wayne Truchsess
C Stuff
-
[comp.lang.c Frequently Asked Questions] (http://c-faq.com/index.html)
-
[The C Preprocessor] (http://gcc.gnu.org/onlinedocs/gcc-2.95.3/cpp_1.html#SEC1) (on http://gcc.gnu.org/)
-
[C Library Reference] (http://www.cplusplus.com/reference/) (on http://cplusplus.com)
-
[C Operators/Expressions] (http://www.lix.polytechnique.fr/~liberti/public/computing/prog/c/C/CONCEPT/expressions.html) (on http://www.lix.polytechnique.fr/)
-
[Bitwise Operators in C and C++: A Tutorial] (http://www.cprogramming.com/tutorial/bitwise_operators.html) (on http://cprogramming.com/)
-
[AVR Tutorials - [TUT] [C] Bit manipulation (AKA "Programming 101")] (http://www.avrfreaks.net/index.php?name=PNphpBB2&file=printview&t=37871&start=0)
-
[In C++ is "const" after type ID acceptable?] (http://stackoverflow.com/questions/988069/in-c-is-const-after-type-id-acceptable) (on http://stackoverflow.com/)
-
[Arrays and pointers in C] (http://www.ibiblio.org/pub/languages/fortran/append-c.html) (on http://www.ibiblio.org/)
-
[C preprocessor and concatenation] (http://stackoverflow.com/questions/1489932/c-preprocessor-and-concatenation) (on http://stackoverflow.com/)
For the AVR
-
[AVR Libc Library Reference] (http://www.nongnu.org/avr-libc/user-manual/modules.html)
-
- [avr-libc/include/avr/iom32u4.h]
- (http://svn.savannah.nongnu.org/viewvc/trunk/avr-libc/include/avr/iom32u4.h?revision=2288&root=avr-libc&view=markup)
- list of registers and associated bit numbers for ATmega32U4
-
[A Brief Tutorial on Programming the AVR without Arduino] by Chris Kuethe (https://www.mainframe.cx/~ckuethe/avr-c-tutorial/)
Protocol Stuff
I²C
-
[Arduino I²C Expansion IO] (http://www.neufeld.newton.ks.us/electronics/?p=241) (from [Keith's Electronics Blog] (http://www.neufeld.newton.ks.us/electronics/))
-
[Arduino Playground :: Wire Library, Explored] (http://arduino.cc/playground/Main/WireLibraryDetailedReference)
USB
-
About Keyboard [Scan Codes] (http://geekhack.org/showwiki.php?title=Scan+Codes) (on http://geekhack.org/)
-
- [USB 2.0 Specification]
- (http://www.usb.org/developers/docs/usb_20_101111.zip)
- zip (from http://www.usb.org/developers/docs/)
-
- [HID Device Class Definition]
- (http://www.usb.org/developers/devclass_docs/HID1_11.pdf)
- pdf (from http://www.usb.org/developers/hidpage)
- HID = Human Interface Device
-
- [HID Usage Tables]
- (http://www.usb.org/developers/devclass_docs/Hut1_12v2.pdf)
- pdf (from http://www.usb.org/developers/hidpage)
Miscellaneous
-
[Markdown: Syntax] (http://daringfireball.net/projects/markdown/syntax)
-
[Keyboard Scan Rates] (http://geekhack.org/showwiki.php?title=Keyboard+scan+rates) list (on http://geekhack.org/)
Other Firmware / Code
-
zip: [Phantom Firmware from PrinsValium] (http://geekhack.org/attachment.php?attachmentid=38982&d=1327895092)
- mentioned in the [Building Phantom Hardware and Firmware Mods] (http://geekhack.org/showwiki.php?title=Island:26742) article (on http://geekhack.org/)
-
github: [Pyrolistical / tmk_keyboard] (https://github.com/Pyrolistical/tmk_keyboard/tree/master/fourway)
- mentioned in the [KeyPoard] (http://geekhack.org/showwiki.php?title=Island:26845) article (on http://geekhack.org/)
-
github: [humblehacker / keyboard] (https://github.com/humblehacker/keyboard)
-
mentioned on [the humblehacker keyboard website] (http://humblehacker.com/keyboard/)
-
mentioned on [the humblehacker geekhack page] (http://geekhack.org/showwiki.php?title=Island:6292)
-
mentioned on [the designer's blog] (http://humblehacker.com/blog/)
-
-
- github: [TWI library in C]
- (https://github.com/arduino/Arduino/tree/master/libraries/Wire/utility)
- (arduino / Arduino / libraries / Wire / utility)
-
- forum: [Interfacing MCP23018 io expander via Arduino]
- (http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1282150189)
- contains a quick MCP23017 library in C++
-
- github: [maniacbug / Arduino / libraries / MCP23018]
- (https://github.com/maniacbug/Arduino/tree/master/libraries/MCP23018)
- library in C++
-
zip: [PJRC: usb_keyboard] (http://pjrc.com/teensy/usb_keyboard.zip)
- mentioned on [the PJRC website] (http://pjrc.com/teensy/usb_keyboard.html)
-
zip: [PJRC: blinky] (http://pjrc.com/teensy/blinky.zip)
- mentioned on [the PJRC website] (http://pjrc.com/teensy/gcc.html)
Chip Documentation
-
[Microchip: Analog & Interface Product Selector Guide] (http://ww1.microchip.com/downloads/en/DeviceDoc/21060z.pdf)
- from [the Microchip website (MCP23017 product listing page)] (http://www.microchip.com/wwwproducts/Devices.aspx?dDocName=en023499)
-
[MCP23017 / MCP23S17 Data Sheet] (http://ww1.microchip.com/downloads/en/DeviceDoc/21952b.pdf)
- from [the Microchip website] (http://www.microchip.com/wwwproducts/Devices.aspx?dDocName=en023499)
-
[MCP23018 / MCP23S18 Data Sheet] (http://ww1.microchip.com/downloads/en/DeviceDoc/22103a.pdf)
- from [the Microchip website] (http://www.microchip.com/wwwproducts/Devices.aspx?dDocName=en537375)
-
[Teensy 2.0 (ATMEGA32U4) Data Sheet] (http://pjrc.com/teensy/atmega32u4.pdf)
- from [the PJRC website] (http://pjrc.com/teensy/datasheets.html)
-
[Teensy++ 2.0 (AT90USB1286) Data Sheet] (http://pjrc.com/teensy/at90usb1286.pdf)
- from [the PJRC website] (http://pjrc.com/teensy/datasheets.html)
-
[Teensy 2.0 Pin Assignments, Using C] (http://pjrc.com/teensy/card2a.pdf)
- from [the PJRC website] (http://pjrc.com/teensy/datasheets.html)
-
[Teensy 2.0 Pin Assignments, Using Arduino] (http://pjrc.com/teensy/card2b.pdf)
- from [the PJRC website] (http://pjrc.com/teensy/datasheets.html)
Copyright © 2012 Ben Blazak benblazak.dev@gmail.com
Released under The MIT License (MIT) (see "license.md")
Project located at https://github.com/benblazak/ergodox-firmware