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Author: soburi

cores/arduino/zephyrCommon.cpp

@@ -218,7 +218,7 @@ PinStatus digitalRead(pin_size_t pinNumber) {
 
 #define TOGGLES_PER_CYCLE 2ULL
 
-struct pin_timer {
+static struct pin_timer {
   struct k_timer timer;
   uint32_t count;
   pin_size_t pin;
@@ -266,7 +266,8 @@ void tone(pin_size_t pinNumber, unsigned int frequency,
   }
 
   arduino_pin_timers[pinNumber].infinity = (duration == 0);
-  arduino_pin_timers[pinNumber].count = (uint64_t)duration * frequency * (MSEC_PER_SEC / TOGGLES_PER_CYCLE);
+  arduino_pin_timers[pinNumber].count = (uint64_t)duration * frequency *
+				        (MSEC_PER_SEC / TOGGLES_PER_CYCLE);
   arduino_pin_timers[pinNumber].pin = pinNumber;
   k_timer_init(timer, tone_expiry_cb, NULL);