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-rw-r--r--led.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/led.c b/led.c
new file mode 100644
index 0000000..0297a77
--- /dev/null
+++ b/led.c
@@ -0,0 +1,38 @@
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#define CM_LED_BLINK 127
+#define CM_nLED 101
+
+main (int argc, char *argv[])
+{
+ int fd;
+ fd = open ("/dev/ntx_io", O_RDWR);
+
+ if (argc != 2) {
+ printf ("Usage:\n%s {0|1}\n", argv[0]);
+ exit (1);
+ }
+
+ switch (atoi (argv[1])) {
+ case 0:
+ ioctl (fd, CM_LED_BLINK, 0);
+ ioctl (fd, CM_nLED, 0);
+ break;
+ case 1:
+ ioctl (fd, CM_LED_BLINK, 0);
+ sleep (1);
+ ioctl (fd, CM_nLED, 1);
+ break;
+ case 2:
+ ioctl (fd, CM_LED_BLINK, 1);
+ break;
+ case 3:
+ ioctl (fd, CM_LED_BLINK, 2);
+ break;
+ }
+ exit (0);
+
+}