Avr/AsteleMotor
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Carl Klemm 2019-05-06 19:06:49 +02:00
commit 51a5e6fc28
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writepin.cpp Normal file
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#include "writepin.h"
void writePin(volatile unsigned char * const port, const unsigned char pin, const bool state)
{
*port = (*port & ~(1 << pin)) | (1 << pin)*state;
//if(!state) *port &= ~(1 << pin);
//else *port |= (1 << pin);
}
void setBit( volatile unsigned char * const reg, const unsigned char bit, const bool value )
{
writePin(reg, bit, value);
}
void setDirection( volatile unsigned char * const portDirReg, const unsigned char pin, const bool makeOutput )
{
writePin(portDirReg, pin, makeOutput);
}
bool readPin( volatile const unsigned char * const inPort, const unsigned char pin){ return (bool) (*inPort & (1 << pin));}