37 lines
1.2 KiB
C
37 lines
1.2 KiB
C
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/* leds.c -- control the led's on a Motorola mc68ec0x0 board.
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* Written by rob@cygnus.com (Rob Savoye)
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*
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* Copyright (c) 1995, 1996 Cygnus Support
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*
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* The authors hereby grant permission to use, copy, modify, distribute,
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* and license this software and its documentation for any purpose, provided
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* that existing copyright notices are retained in all copies and that this
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* notice is included verbatim in any distributions. No written agreement,
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* license, or royalty fee is required for any of the authorized uses.
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* Modifications to this software may be copyrighted by their authors
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* and need not follow the licensing terms described here, provided that
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* the new terms are clearly indicated on the first page of each file where
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* they apply.
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*/
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#ifndef __LEDS_H__
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#define __LEDS_H__
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#define LED_ADDR 0xd00003
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#define LED_0 ~0x1
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#define LED_1 ~0x2
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#define LED_2 ~0x4
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#define LED_3 ~0x8
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#define LED_4 ~0x10
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#define LED_5 ~0x20
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#define LED_6 ~0x40
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#define LED_7 ~0x80
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#define LEDS_OFF 0xff
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#define LEDS_ON 0x0
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#define FUDGE(x) ((x >= 0xa && x <= 0xf) ? (x + 'a') & 0x7f : (x + '0') & 0x7f)
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extern void led_putnum( char );
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#endif /* __LEDS_H__ */
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