4.104.114.84.95
Last change
on this file since dc90de4 was
dc90de4,
checked in by Joel Sherrill <joel.sherrill@…>, on 10/12/01 at 21:07:58
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2001-10-12 Joel Sherrill <joel@…>
- console/console-io.c: Fixed typo.
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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 | * |
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8 | * The license and distribution terms for this file may be |
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9 | * found in the file LICENSE in this distribution or at |
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10 | * http://www.OARcorp.com/rtems/license.html. |
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11 | * |
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12 | * $Id$ |
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13 | */ |
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14 | |
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15 | #include <bsp.h> |
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16 | #include <rtems/libio.h> |
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17 | #include <stdlib.h> |
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18 | #include <assert.h> |
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19 | |
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20 | /* |
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21 | * console_initialize_hardware |
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22 | * |
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23 | * This routine initializes the console hardware. |
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24 | * |
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25 | */ |
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26 | |
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27 | void console_initialize_hardware(void) |
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28 | { |
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29 | return; |
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30 | } |
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31 | |
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32 | /* |
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33 | * console_outbyte_polled |
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34 | * |
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35 | * This routine transmits a character using polling. |
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36 | */ |
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37 | |
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38 | void console_outbyte_polled( |
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39 | int port, |
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40 | char ch |
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41 | ) |
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42 | { |
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43 | int status; |
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44 | int nwritten; |
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45 | |
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46 | status = _sys_write (1, &ch, 1, &nwritten); |
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47 | } |
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48 | |
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49 | /* |
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50 | * console_inbyte_nonblocking |
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51 | * |
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52 | * This routine polls for a character. |
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53 | */ |
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54 | |
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55 | int console_inbyte_nonblocking( |
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56 | int port |
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57 | ) |
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58 | { |
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59 | int status; |
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60 | int nread; |
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61 | char c; |
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62 | |
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63 | status = _sys_read (0, &c, 1, &nread); |
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64 | if ( status == 0 ) |
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65 | return c; |
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66 | return -1; |
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67 | } |
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68 | |
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