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basic application 

git-svn-id: svn+ssh://en.codiert.org/home/staff/ben/dev/misc.svn/projects/fpgafs@400 766a2236-cff9-0310-b0c0-a81a5f92509a
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ben 2007-09-12 19:07:32 +00:00
parent 96948e503d
commit 0ae8873d37
4 changed files with 67 additions and 4 deletions
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15
app/Makefile Normal file
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#/*********************************************
# * Benjamin Krill <ben@codiert.org>
# *********************************************/
CFLAGS= -c -I../libfpga
CC = gcc
SRCS = fifo_shift.c
OBJS = $(SRCS:%.c=%.o)
fifo_shift: ${OBJS}
${CC} $^ -o $@ -lfpga
clean:
rm *.o *.so.*

46
app/fifo_shift.c Normal file
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/*********************************************
* Benjamin Krill <ben@codiert.org>
*********************************************/
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <libfpga.h>
int
main(int argv, char **argc)
{
int fd, sta, rnd, i;
char *c, buf[4];
if ((fd = open("tdat", O_RDONLY, 0)) == -1 ) {
printf("ERROR-1: %s\n", strerror(errno));
return -1;
}
if (fpgafs_create_context(fd, "dbg") == -1) {
printf("ERROR-2: Cannot create fpgafs context\n");
close(fd);
return -1;
}
// while (fpgafs_get_stat() < 0x10) {
for(i=0; i < 10; i++) {
rnd = rand();
c = (char *)&rnd;
printf("write data: %x\n",c[0], c[1], c[2], c[3]);
if ((sta=fpgafs_send_data(&c[0], 4)) != 4) {
printf("ERROR-3: Cannot send specified length (%d)\n", sta);
return -1;
}
if ((sta=fpgafs_recv_data(&c[0], 4)) != 4) {
printf("ERROR-3: Cannot send specified length (%d)\n", sta);
return -1;
}
printf("read data: %x\n",buf[0], buf[1], buf[2], buf[3]);
}
return 0;
}

4
libfpga/Makefile
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@ -1,4 +1,6 @@
#/*********************************************
# * Benjamin Krill <ben@codiert.org>
# *********************************************/
CFLAGS=-c -fPIC
CC = gcc

6
libfpga/libfpga.h
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@ -1,9 +1,9 @@
/*********************************************
* Benjamin Krill <ben@codiert.org>
*********************************************/
int fpgafs_create_context(int fd, const char *name)
int fpgafs_send_data(const void *buf, size_t count);
int fpgafs_recv_data(void *buf, size_t count);
int fpgafs_create_context(int fd, const char *name);
int fpgafs_send_data(const void *buf, int count);
int fpgafs_recv_data(void *buf, int count);
int fpgafs_send_cmd(unsigned int cmd);
int fpgafs_get_stat();
int fpgafs_set_lldrv(const char* name);