62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
/* *****************************************************************
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* (C) Copyright 2007 Benjamin Krill <ben@codiert.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
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* MA 02110-1301 USA
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* *****************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <libfpga.h>
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int
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main(int argv, char **argc)
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{
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int fd, sta, rnd, i;
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char *c, buf[4];
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if ((fd = open("tdat", O_RDONLY, 0)) == -1 ) {
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printf("ERROR-1: %s\n", strerror(errno));
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return -1;
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}
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if (fpgafs_create_context(fd, "dbg") == -1) {
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printf("ERROR-2: Cannot create fpgafs context\n");
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close(fd);
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return -1;
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}
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// while (fpgafs_get_stat() < 0x10) {
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for(i=0; i < 10; i++) {
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rnd = rand();
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c = (char *)&rnd;
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printf("write data: %x\n",c[0], c[1], c[2], c[3]);
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if ((sta=fpgafs_send_data(&c[0], 4)) != 4) {
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printf("ERROR-3: Cannot send specified length (%d)\n", sta);
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return -1;
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}
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if ((sta=fpgafs_recv_data(&c[0], 4)) != 4) {
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printf("ERROR-3: Cannot send specified length (%d)\n", sta);
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return -1;
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}
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printf("read data: %x\n",buf[0], buf[1], buf[2], buf[3]);
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}
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return 0;
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}
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