Mercurial > code > home > repos > light9
view dmx_usb_module/dmx_usb_test.c @ 539:5cf326ef965a
cleanup asco to use song uris consistently. showPaths are now file: uris
Ignore-this: 8ca9cfa22e340760c02a980009499ca3
author | drewp@bigasterisk.com |
---|---|
date | Sun, 13 Jun 2010 09:19:49 +0000 |
parents | 4e60444605f6 |
children | 2b2ad8e7cb9f |
line wrap: on
line source
/* * $Id: dmx_usb_test.c 40 2004-09-11 11:16:39Z erwin $ */ #include <stdio.h> #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> #include <unistd.h> #include <stdlib.h> int main(int argc, char* argv[]) { unsigned char buffer[513]; int fd; int res; int i; fd = open("/dev/dmx0",O_WRONLY); if (fd < 0) { perror("open"); exit(-1); } for (i = 0; i < 513;i++) { buffer[i] = 0x00; } buffer[512] = 0x55; while(1) { res = write(fd, buffer, 513); if (res < 0){ perror("write"); exit(-1); } } close(fd); return 0; }