Generic Graphic Dot Matrix LCD module Display Library

Graphic GUI driver library for: Memory LCD displays and B/W display controllers with memory mapped video memory. Comprensive feature set for text, fonts and graphics. A C source library optimized for use in small embedded systems.

Generic B&W Display driver Memory mapped video buffer Processors with built-in B&W display controller (SOC) Memory LCD display modules and equivalents hardware types.

Black and White display driver library

The Generic B&W display driver library implements the powerful and flexible high-level GUI application interface functions and features set common for RAMTEX Dot Matrix library packages.

Feature list

  • Display controller family features
    • Library is optimized for use with systems using a graphic buffer in processor RAM.
    • All drawing operations is done on on a processor memory-mapped graphic buffer.
    • Support for Memory LCD type display modules.
    • Special hardware access support for Sharp Memory LCD display module types
    • Support for processors with built-in B&W display controllers (System-On-Chip)
    • Supports 0-90-180-270 degree rotation of logical screen image.
    • Flexible scan interface configuration.
    • Customizable hardware access method. For processor build-in display controllers, or external display modules using ex a parallel bus, SPI bus, I2C bus, etc.
  • Display driver C source code
    • GUI display controller driver library provided as full C source code.
    • Standard conforming C source code. Can be used with embedded processors supported by a C, C++, or EC++ standard-conforming compiler.
    • Processor and OS independent driver code. Standardized I/O functions create driver source code portability.
    • B&W LCD PC-simulator included for debugging of embedded GUI applications with standard PC compilers.
    • Comprehensive easy-to-read manual with examples
    • No run-time licenses.
  • Graphic drawing
    • Graphic line drawing and pixel setting.
    • Graphic Rectangle and Block drawing.
    • Graphic buffer Cut and Paste.
    • Rotation of text and graphic symbols
  • Viewports and GUI Styles
    • Viewports with scroll, auto-wrap and auto-alignment.
    • Tabs and column alignment support.
    • Black-on-White, White-on-Black.
    • Selectable fonts and alignemnt styles.
    • Comprensive, easy-to-use function interface. The powerful feature set enable creation of any GUI style.
    • Use relative coordinate set. Create adaptable layouts. Design your owen reuseable GUI functions.
  • Symbols, Fonts and Text support
    • Soft-font support
    • Free user definition of special symbols.
    • Character and text string functions.
    • Mono-space and Proportional fonts.
    • Support for extended codepage tables, ISO-IEC 10646, and UNICODE.
    • Support for extended character set handling. Multibyte character strings, wide-char strings.
    • Full UTF-8 string support, incl. conversion functions.
    • Support for anti-aliased fonts
    • Support for transparent text and graphic.
  • Low processor memory consumption
    • Library is designed for use with embedded processors. Small memory footprint.
    • Heap memory not required.
    • Full support for Virtual Fonts, icons, and pictures stored in external memory devices. An easy way to handle large fonts and graphic objects with minimum processor memory consumption.
    • Includes support for Virtual Files. Save text strings and application data together with fonts. Enable easy language update after product release.

PC mode demo

Start download of the Graphic LCD driver demo for Windows. (lcdwdemo.zip = 358K bytes)
This run-time demo is a normal "embedded" GUI application using the library C source code and compiled with Microsoft Visual C/C++. The RAMTEX LCD PC simulator server is used for display controller screen output.