diff options
Diffstat (limited to 'packages/slutils/slutils-0.1.0/slfb/slfb.c')
-rw-r--r-- | packages/slutils/slutils-0.1.0/slfb/slfb.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/packages/slutils/slutils-0.1.0/slfb/slfb.c b/packages/slutils/slutils-0.1.0/slfb/slfb.c new file mode 100644 index 0000000000..9cb72d12d2 --- /dev/null +++ b/packages/slutils/slutils-0.1.0/slfb/slfb.c @@ -0,0 +1,34 @@ +#include <stdio.h> +#include <fcntl.h> +#include <stdlib.h> +#include <sys/ioctl.h> + +int main(int argc, char ** argv) { + int fd = open("/dev/fb0", O_WRONLY|O_NONBLOCK ); + int on; + int res = 0; + + if (argc != 2) { + printf("You must specify on or off\n"); + return 0; + } + + on = !strncmp(argv[1], "on", (strlen(argv[1]) > 1 ? 2 : 1)); + + printf((on ? "on\n" : "off\n")); + + if ( fd ) + { + int ioctlnum = 0x4611; + int vesaMode = on ? 0 : 3; + res = ioctl ( fd, ioctlnum, vesaMode ); + printf("%i\n", res); + close ( fd ); + } + else + { + printf("failed\n"); + } + return res; +} + |