[444] | 1 | /* array-io.c -- I/O code for the Array Tech RAID disk controller. |
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| 2 | * |
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| 3 | * Copyright (c) 1995 Cygnus Support |
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| 4 | * |
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| 5 | * The authors hereby grant permission to use, copy, modify, distribute, |
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| 6 | * and license this software and its documentation for any purpose, provided |
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| 7 | * that existing copyright notices are retained in all copies and that this |
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| 8 | * notice is included verbatim in any distributions. No written agreement, |
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| 9 | * license, or royalty fee is required for any of the authorized uses. |
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| 10 | * Modifications to this software may be copyrighted by their authors |
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| 11 | * and need not follow the licensing terms described here, provided that |
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| 12 | * the new terms are clearly indicated on the first page of each file where |
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| 13 | * they apply. |
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| 14 | */ |
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| 15 | #include "mips.h" |
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| 16 | |
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| 17 | /* |
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| 18 | * outbyte -- shove a byte out the serial port. We wait till the byte |
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| 19 | */ |
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| 20 | int |
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| 21 | outbyte(byte) |
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| 22 | unsigned char byte; |
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| 23 | { |
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| 24 | return (PUTCHAR(byte)); |
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| 25 | } |
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| 26 | |
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| 27 | /* |
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| 28 | * inbyte -- get a byte from the serial port |
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| 29 | */ |
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| 30 | unsigned char |
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| 31 | inbyte() |
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| 32 | { |
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| 33 | return ((unsigned char)GETCHAR); |
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| 34 | } |
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| 35 | |
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| 36 | /* |
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| 37 | * led_putnum -- print a hex number on the LED. the value of num must be a byte. |
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| 38 | |
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| 39 | * The max number 15, since the front panel only has 4 LEDs. |
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| 40 | */ |
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| 41 | void |
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| 42 | led_putnum ( num ) |
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| 43 | char num; |
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| 44 | { |
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| 45 | print ("Sorry, unimplemented, using putnum instead\r\n"); |
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| 46 | putnum (num); |
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| 47 | } |
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| 48 | |
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| 49 | /* |
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| 50 | * zylons -- draw a rotating pattern. NOTE: this function never returns. |
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| 51 | */ |
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| 52 | void |
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| 53 | zylons() |
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| 54 | { |
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| 55 | print ("Sorry, unimplemented\r\n"); |
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| 56 | } |
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| 57 | |
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| 58 | /* |
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| 59 | * delay -- a really gross, ugly hack for simple time delays |
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| 60 | */ |
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| 61 | void |
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| 62 | delay (x) |
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| 63 | int x; |
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| 64 | { |
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| 65 | int y = 17; |
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| 66 | while (x-- !=0) |
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| 67 | y = y^2; |
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| 68 | } |
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