1 files changed, 10 insertions, 6 deletions
diff --git a/lib/led.c b/lib/led.c
index 9da4197..338226b 100644
--- a/lib/led.c
+++ b/lib/led.c
@@ -33,11 +33,15 @@
 #define LED_DIR 0
 #endif
 
+#ifdef LED_PINNUM
+#define LED_MASK (1<<LED_PINNUM)
+#endif
+
 void led_init(void)
 {
 #if LED_CNT >= 1
   led_off();
-  LED_GPIO->DDR |= 1<<LED_PINNUM;
+  LED_GPIO->DDR |= LED_MASK;
 #endif
 }
 
@@ -45,9 +49,9 @@ void led_on(void)
 {
 #if LED_CNT >= 1
 #if LED_DIR == 1
-  LED_GPIO->ODR |= 1<<LED_PINNUM;
+  LED_GPIO->ODR |= LED_MASK;
 #else
-  LED_GPIO->ODR &= ~(1<<LED_PINNUM);
+  LED_GPIO->ODR &= ~LED_MASK;
 #endif
 #endif
 }
@@ -56,9 +60,9 @@ void led_off(void)
 {
 #if LED_CNT >= 1
 #if LED_DIR == 1
-  LED_GPIO->ODR &= ~(1<<LED_PINNUM);
+  LED_GPIO->ODR &= ~(LED_MASK);
 #else
-  LED_GPIO->ODR |= 1<<LED_PINNUM;
+  LED_GPIO->ODR |= LED_MASK;
 #endif
 #endif
 }
@@ -66,6 +70,6 @@ void led_off(void)
 void led_toggle(void)
 {
 #if LED_CNT >= 1
-  LED_GPIO->ODR ^= 1<<LED_PINNUM;
+  LED_GPIO->ODR ^= LED_MASK;
 #endif
 }