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30 lines
894 B
C
30 lines
894 B
C
4 years ago
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/*
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* ----------------------------------------------------------------------------
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* "THE BEER-WARE LICENSE" (Revision 42):
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* <joerg@FreeBSD.ORG> wrote this file. As long as you retain this notice you
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* can do whatever you want with this stuff. If we meet some day, and you think
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* this stuff is worth it, you can buy me a beer in return. Joerg Wunsch
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* ----------------------------------------------------------------------------
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*
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* General stdiodemo defines
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*
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* $Id$
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*/
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/* CPU frequency */
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#define F_CPU 1000000UL
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/* UART baud rate */
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#define UART_BAUD 9600
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/* HD44780 LCD port connections */
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#define HD44780_RS A, 6
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#define HD44780_RW A, 4
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#define HD44780_E A, 5
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/* The data bits have to be not only in ascending order but also consecutive. */
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#define HD44780_D4 A, 0
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/* Whether to read the busy flag, or fall back to
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worst-time delays. */
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#define USE_BUSY_BIT 1
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