Avr/TemperatureSensor
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saved some bytes

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Carl Klemm 2019-05-08 11:05:36 +02:00
parent 63ff73a066
commit a109991e7a
10 changed files with 94 additions and 50 deletions
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13
writepin.cpp
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@ -1,19 +1,20 @@
#include "writepin.h"
void writePin(volatile unsigned char *port, const unsigned char pin, const bool state) //waste 2 cycles
void writePin(volatile unsigned char * const port, const unsigned char pin, const bool state)
{
if(!state) *port &= ~(1 << pin);
else *port |= (1 << pin);
*port = (*port & ~(1 << pin)) | (1 << pin)*state;
//if(!state) *port &= ~(1 << pin);
//else *port |= (1 << pin);
}
void setBit( volatile unsigned char *reg, const unsigned char bit, bool value )
void setBit( volatile unsigned char * const reg, const unsigned char bit, const bool value )
{
writePin(reg, bit, value);
}
void setDirection( volatile unsigned char *portDirReg, const unsigned char pin, bool makeOutput )
void setDirection( volatile unsigned char * const portDirReg, const unsigned char pin, const bool makeOutput )
{
writePin(portDirReg, pin, makeOutput);
}
bool readPin( volatile unsigned char *inPort, const unsigned char pin){ return (bool) (*inPort & (1 << pin));}
bool readPin( volatile const unsigned char * const inPort, const unsigned char pin){ return (bool) (*inPort & (1 << pin));}