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Library for MAX72xx LED matrix display v2.2

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Downloads: 1263
Released: Nov 5, 2013
Updated: Apr 6, 2014 by 8136821
Dev status: Stable Help Icon

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Source Code MAX72xx Library
source code, 1121K, uploaded Nov 23, 2013 - 1263 downloads

Release Notes

The library implements functions that allow the MAX72xx to be used for LED matrices (64 individual LEDs), allowing the programmer to use the LED matrix as a pixel device, displaying graphics elements much like any other pixel addressable display.

In this scenario, it is convenient to abstract out the concept of the hardware device and create a uniform and consistent pixel address space, with the libraries determining device and device-element address. Similarly, control of the devices should be uniform and abstracted to a system level.

The library still retains flexibility for device level control, should the developer require, through the use of overloaded class methods.

November 2013 - version 2.2
  • Replaced reference to SPI library with inline code to allow for different select lines
  • Obsoleted INCLUDE_HARDWARE_SPI conditional compile switch
  • Fixed legacy code function name error when ENABLE_FONT_ADJUST switch turned on
  • Implemented USE_PAROLA_HW to allow cheaply available matrix modules to be used in ganged mode
  • Fixed reversal of bit field for set/get Row/Column functions -> flipped charset data
  • Added Eyes example program
  • Upgraded and reorganised documentation

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