1 /******************************************************************************
3 * Copyright (C) 2009 - 2014 Xilinx, Inc. All rights reserved.
5 * Permission is hereby granted, free of charge, to any person obtaining a copy
6 * of this software and associated documentation files (the "Software"), to deal
7 * in the Software without restriction, including without limitation the rights
8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 * copies of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
15 * Use of the Software is limited solely to applications:
16 * (a) running on a Xilinx device, or
17 * (b) that interact with a Xilinx device through a bus or interconnect.
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22 * XILINX BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
23 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
24 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
27 * Except as contained in this notice, the name of the Xilinx shall not be used
28 * in advertising or otherwise to promote the sale, use or other dealings in
29 * this Software without prior written authorization from Xilinx.
31 ******************************************************************************/
33 /* read.c -- read bytes from a input device.
36 #include "xparameters.h"
37 #include "xil_printf.h"
41 int _read (int fd, char* buf, int nbytes);
46 * read -- read bytes from the serial port. Ignore fd, since
50 read (int fd, char* buf, int nbytes)
52 #ifdef STDIN_BASEADDRESS
56 for (i = 0; i < nbytes; i++) {
57 *(buf + i) = inbyte();
58 if ((*(buf + i) == '\n' || *(buf + i) == '\r'))
75 _read (int fd, char* buf, int nbytes)
77 #ifdef STDIN_BASEADDRESS
81 for (i = 0; i < nbytes; i++) {
82 *(buf + i) = inbyte();
83 if ((*(buf + i) == '\n' || *(buf + i) == '\r'))