47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
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/*********************************************
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* Benjamin Krill <ben@codiert.org>
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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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