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STM32F4-HD44780

Interrupt driven software for the ST Microelectronics STMF4 Cortex-M4 microcontroller to interface with a Hitachi-compatible HD44780 LCD module. Works in 4bit mode using 7 pins and is 5v compatible, tested on a STM32F4 Discovery with a variety of LCD modules.

Full details can be found here

Copyright 2013 - 2015 Al Brown

al [at] eartoearoak.com

##Usage##

Complete documentation can be found here.

A brief example is included in the source code.

Initialise the driver using:

hd44780_init(gpio, rs, rw, e, db4, db5, db6, db7, lines, font)

where:

gpio - GPIO Port (GPIOA to GPIOE)

rs, rw, e, db4, db5, db6, db7 - Pins (GPIO_Pin_0 to GPIO_Pin_15)

lines - LCD lines (HD44780_LINES_1 or HD44780_LINES_2)

font- Font size (HD44780_FONT_5x8 or HD44780_FONT_5x10)

License

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

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An interrupt driven library for HD44780-based LCD displays

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