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1 parent 83672b0 commit f4f2a45Copy full SHA for f4f2a45
cores/arduino/Arduino.h
@@ -132,6 +132,8 @@ bool isDoubleBondedActive(uint8_t pin);
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#define getPINnCTRLregister(port, bit_pos) ( ((port != NULL) && (bit_pos < NOT_A_PIN)) ? ((uint8_t *)&(port->PIN0CTRL) + bit_pos) : NULL )
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#define digitalPinToInterrupt(p) ( digitalPinToPort(p) * 8 + digitalPinToBitPosition(p) )
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+#define portOutputRegister(P) ( (volatile uint8_t *)( &portToPortStruct(P)->OUT ) )
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+
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#ifdef __cplusplus
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} // extern "C"
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#endif
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