4.104.114.84.95
Last change
on this file since 1f5cb74 was
68c498f4,
checked in by Joel Sherrill <joel.sherrill@…>, on 06/12/00 at 16:34:46
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Added i960sim BSP which (ignoring the 3 instructions not supported
by gdb 5.0's i960 simulator) is enough to run hello world.
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-
Property mode set to
100644
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File size:
1.1 KB
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1 | /* |
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2 | * This file contains the hardware specific portions of the TTY driver |
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3 | * for the serial ports on the erc32. |
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4 | * |
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5 | * COPYRIGHT (c) 1989-1997. |
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6 | * On-Line Applications Research Corporation (OAR). |
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7 | * Copyright assigned to U.S. Government, 1994. |
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8 | * |
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9 | * The license and distribution terms for this file may be |
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10 | * found in the file LICENSE in this distribution or at |
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11 | * http://www.OARcorp.com/rtems/license.html. |
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12 | * |
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13 | * $Id$ |
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14 | */ |
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15 | |
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16 | #include <bsp.h> |
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17 | #include <rtems/libio.h> |
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18 | #include <stdlib.h> |
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19 | #include <assert.h> |
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20 | |
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21 | /* external prototypes for monitor interface routines */ |
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22 | |
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23 | void outbyte( char ); |
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24 | char inbyte( void ); |
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25 | |
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26 | /* |
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27 | * console_outbyte_polled |
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28 | * |
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29 | * This routine transmits a character using polling. |
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30 | */ |
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31 | |
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32 | void console_outbyte_polled( |
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33 | int port, |
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34 | char ch |
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35 | ) |
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36 | { |
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37 | int status; |
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38 | int nwritten; |
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39 | |
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40 | status = _sys_write (1, &ch, 1, &nwritten); |
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41 | } |
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42 | |
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43 | /* |
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44 | * console_inbyte_nonblocking |
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45 | * |
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46 | * This routine polls for a character. |
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47 | */ |
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48 | |
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49 | int console_inbyte_nonblocking( |
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50 | int port |
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51 | ) |
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52 | { |
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53 | int status; |
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54 | int nread; |
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55 | char c; |
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56 | |
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57 | status = _sys_read (0, &c, 1, &nread); |
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58 | if ( status == 0 ) |
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59 | return c; |
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60 | return -1; |
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61 | } |
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62 | |
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