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Diffstat (limited to 'libgloss/m68k/leds.c')
-rw-r--r-- | libgloss/m68k/leds.c | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/libgloss/m68k/leds.c b/libgloss/m68k/leds.c deleted file mode 100644 index 125ae8b..0000000 --- a/libgloss/m68k/leds.c +++ /dev/null @@ -1,81 +0,0 @@ -/* - * leds.c -- control the led's on a Motorola mc68ec0x0 board. - * - * Copyright (c) 1995 Cygnus Support - * - * The authors hereby grant permission to use, copy, modify, distribute, - * and license this software and its documentation for any purpose, provided - * that existing copyright notices are retained in all copies and that this - * notice is included verbatim in any distributions. No written agreement, - * license, or royalty fee is required for any of the authorized uses. - * Modifications to this software may be copyrighted by their authors - * and need not follow the licensing terms described here, provided that - * the new terms are clearly indicated on the first page of each file where - * they apply. - */ -#include "leds.h" - -void zylons(); -void led_putnum(); - -/* - * led_putnum -- print a hex number on the LED. the value of num must be a char with - * the ascii value. ie... number 0 is '0', a is 'a', ' ' (null) clears - * the led display. - * Setting the bit to 0 turns it on, 1 turns it off. - * the LED's are controlled by setting the right bit mask in the base - * address. - * The bits are: - * [d.p | g | f | e | d | c | b | a ] is the byte. - * - * The locations are: - * - * a - * ----- - * f | | b - * | g | - * ----- - * | | - * e | | c - * ----- - * d . d.p (decimal point) - */ -void -led_putnum ( num ) -char num; -{ - static unsigned char *leds = (unsigned char *)LED_ADDR; - static unsigned char num_bits [18] = { - 0xff, /* clear all */ - 0xc0, 0xf9, 0xa4, 0xb0, 0x99, 0x92, 0x82, 0xf8, 0x80, 0x98, /* numbers 0-9 */ - 0x98, 0x20, 0x3, 0x27, 0x21, 0x4, 0xe /* letters a-f */ - }; - - if (num >= '0' && num <= '9') - num = (num - '0') + 1; - - if (num >= 'a' && num <= 'f') - num = (num - 'a') + 12; - - if (num == ' ') - num = 0; - - *leds = num_bits[num]; -} - -/* - * zylons -- draw a rotating pattern. NOTE: this function never returns. - */ -void -zylons() -{ - unsigned char *leds = (unsigned char *)LED_ADDR; - unsigned char curled = 0xfe; - - while (1) - { - *leds = curled; - curled = (curled >> 1) | (curled << 7); - delay ( 200 ); - } -} |