20 lines
573 B
C++
20 lines
573 B
C++
#include "writepin.h"
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void writePin(volatile unsigned char *port, const unsigned char pin, const bool state) //waste 2 cycles
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{
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if(!state) *port &= ~(1 << pin);
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else *port |= (1 << pin);
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}
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void setBit( volatile unsigned char *reg, const unsigned char bit, bool value )
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{
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writePin(reg, bit, value);
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}
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void setDirection( volatile unsigned char *portDirReg, const unsigned char pin, bool makeOutput )
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{
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writePin(portDirReg, pin, makeOutput);
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}
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bool readPin( volatile unsigned char *inPort, const unsigned char pin){ return (bool) (*inPort & (1 << pin));}
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