status-led: put led status in an array

diff --git a/extdrv/status_led.c b/extdrv/status_led.c
index 8ae531a..9b624f9 100644 (file)
--- a/extdrv/status_led.c
+++ b/extdrv/status_led.c
@@ -109,28 +109,23 @@ void status_led(uint32_t val)
        }
 }
 
+static enum led_status steps[] = {
+       red_only,
+       green_only,
+       none,
+       both,
+       none,
+       red_only,
+       red_only,
+       none,
+       green_only,
+       green_only,
+       none
+};
+
 void chenillard(uint32_t ms)
 {
-    status_led(red_only);
-    msleep(ms);
-    status_led(green_only);
-    msleep(ms);
-    status_led(none);
-    msleep(ms);
-    status_led(both);
-    msleep(ms);
-    status_led(none);
-    msleep(ms);
-    status_led(red_only);
-    msleep(ms);
-    status_led(red_only);
-    msleep(ms);
-    status_led(none);
-    msleep(ms);
-    status_led(green_only);
-    msleep(ms);
-    status_led(green_only);
-    msleep(ms);
-    status_led(none);
-    msleep(ms);
+       static int n;
+       status_led(steps[n++ % (sizeof steps / sizeof *steps)]);
+       msleep(ms);
 }