Mercurial > code > home > repos > light9
annotate dmx_usb_module/dmx_usb_test.c @ 1870:51a9b23db357
rm stubs/rdfdb; point mypy to the real code instead
Ignore-this: cd59283a21e2e593682e105d6507a462
| author | Drew Perttula <drewp@bigasterisk.com> |
|---|---|
| date | Mon, 27 May 2019 00:41:38 +0000 |
| parents | 2b2ad8e7cb9f |
| children |
| rev | line source |
|---|---|
| 355 | 1 /* |
| 2 * $Id: dmx_usb_test.c 40 2004-09-11 11:16:39Z erwin $ | |
| 3 */ | |
| 4 | |
| 5 #include <stdio.h> | |
| 6 #include <sys/types.h> | |
| 7 #include <sys/stat.h> | |
| 8 #include <fcntl.h> | |
| 9 #include <unistd.h> | |
| 10 #include <stdlib.h> | |
| 11 | |
| 12 int main(int argc, char* argv[]) | |
| 13 { | |
| 14 unsigned char buffer[513]; | |
| 15 int fd; | |
| 16 int res; | |
| 17 int i; | |
| 18 | |
| 19 fd = open("/dev/dmx0",O_WRONLY); | |
| 20 if (fd < 0) { | |
| 21 perror("open"); | |
| 22 exit(-1); | |
| 23 } | |
| 24 | |
| 25 for (i = 0; i < 513;i++) { | |
|
875
2b2ad8e7cb9f
update dmx_usb. ok on kernel 3.5.0
Drew Perttula <drewp@bigasterisk.com>
parents:
355
diff
changeset
|
26 buffer[i] = i; |
| 355 | 27 } |
| 28 | |
| 29 buffer[512] = 0x55; | |
| 30 | |
| 31 while(1) { | |
| 32 res = write(fd, buffer, 513); | |
| 33 | |
| 34 if (res < 0){ | |
| 35 perror("write"); | |
| 36 exit(-1); | |
| 37 } | |
| 38 } | |
| 39 | |
| 40 close(fd); | |
| 41 | |
| 42 return 0; | |
| 43 } | |
| 44 |