1 /******************************************************************************
3 * Copyright (C) 2014 Xilinx, Inc. All rights reserved.
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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.
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31 ******************************************************************************/
33 /* read.c -- read bytes from a input device.
36 #include "xparameters.h"
37 #include "xil_printf.h"
41 __attribute__((weak)) s32 _read (s32 fd, char8* buf, s32 nbytes);
46 * read -- read bytes from the serial port. Ignore fd, since
49 __attribute__((weak)) s32
50 read (s32 fd, char8* buf, s32 nbytes)
52 #ifdef STDIN_BASEADDRESS
54 char8* LocalBuf = buf;
57 for (i = 0; i < nbytes; i++) {
58 if(LocalBuf != NULL) {
61 if(LocalBuf != NULL) {
63 if ((*LocalBuf == '\n' )|| (*LocalBuf == '\r')) {
67 if(LocalBuf != NULL) {
81 __attribute__((weak)) s32
82 _read (s32 fd, char8* buf, s32 nbytes)
84 #ifdef STDIN_BASEADDRESS
86 char8* LocalBuf = buf;
89 for (i = 0; i < nbytes; i++) {
90 if(LocalBuf != NULL) {
93 if(LocalBuf != NULL) {
95 if ((*LocalBuf == '\n' )|| (*LocalBuf == '\r')) {
99 if(LocalBuf != NULL) {