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2 parents a1563ef + ceacc17 commit e2a8653Copy full SHA for e2a8653
cores/arduino/Arduino.h
@@ -129,6 +129,7 @@ bool isDoubleBondedActive(uint8_t pin);
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#define portOutputRegister(P) ( (volatile uint8_t *)( &portToPortStruct(P)->OUT ) )
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#define portInputRegister(P) ( (volatile uint8_t *)( &portToPortStruct(P)->IN ) )
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+#define portModeRegister(P) ( (volatile uint8_t *)( &portToPortStruct(P)->DIR ) )
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#ifdef __cplusplus
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} // extern "C"
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