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-rw-r--r--src/common/led.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/common/led.c b/src/common/led.c
index a8a31d7..eff2942 100644
--- a/src/common/led.c
+++ b/src/common/led.c
@@ -29,9 +29,11 @@
#include "button.h"
#include "power.h"
+/** Led display loop overhead estimation. */
+#define LED_OVERHEAD_MS (40 * 1e3 / AC_FREQ)
/** Time a led is lit. */
#define LED_UP_MS 0.05
-#define LED_DOWN_MS (0.5 - LED_UP_MS)
+#define LED_DOWN_MS (0.5 - LED_UP_MS - LED_OVERHEAD_MS)
/** Mask of used bits. */
#define LED_MASK 0b111010