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355
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1 /*
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2 * $Id: dmx_usb_test.c 40 2004-09-11 11:16:39Z erwin $
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3 */
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4
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5 #include <stdio.h>
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6 #include <sys/types.h>
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7 #include <sys/stat.h>
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8 #include <fcntl.h>
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9 #include <unistd.h>
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10 #include <stdlib.h>
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11
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12 int main(int argc, char* argv[])
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13 {
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14 unsigned char buffer[513];
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15 int fd;
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16 int res;
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17 int i;
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18
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19 fd = open("/dev/dmx0",O_WRONLY);
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20 if (fd < 0) {
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21 perror("open");
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22 exit(-1);
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23 }
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24
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25 for (i = 0; i < 513;i++) {
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26 buffer[i] = 0x00;
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27 }
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28
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29 buffer[512] = 0x55;
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30
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31 while(1) {
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32 res = write(fd, buffer, 513);
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33
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34 if (res < 0){
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35 perror("write");
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36 exit(-1);
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37 }
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38 }
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39
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40 close(fd);
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41
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42 return 0;
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43 }
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44
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