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upd easyavr

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MultiMote 2015-02-14 20:39:18 +03:00
parent d39156a872
commit a41861a8f4
1 changed files with 28 additions and 3 deletions
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31
easyavr.h
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@ -1,8 +1,33 @@
#ifndef __EASYAVR_H_
#define __EASYAVR_H_
#define PIN_ON(x,p) ((PORT ## x) |= _BV(P ## x ## p))
#define PIN_OFF(x,p) ((PORT ## x) &= ~_BV(P ## x ## p))
#define PIN_SET(x,p,v) (v > 0 ? PIN_ON(x,p) : PIN_OFF(x,p))
// Sets pin of port to 1
//
// Example for PD2: PIN_ON(D, 2)
#define PIN_ON(port,pin) ((PORT ## port) |= _BV(P ## port ## pin))
// Sets pin of port to 0
//
// Example for PD2: PIN_OFF(D, 2)
#define PIN_OFF(port,pin) ((PORT ## port) &= ~_BV(P ## port ## pin))
// Sets pin of port to 0
//
// Example for PD2: PIN_SET(D, 2, 1)
#define PIN_SET(port,pin,val) (val > 0 ? PIN_ON(port,pin) : PIN_OFF(port,pin))
// Sets all of port pins to OUTPUT mode
//
// Example for PORTD: PORT_AS_OUTPUT(D)
#define PORT_AS_OUTPUT(port) ((DDR ## port) = 0xFF)
// Sets all of port pins to INPUT mode
//
// Example for PORTD: PORT_AS_INPUT(D)
#define PORT_AS_INPUT(port) ((DDR ## port) = 0x00)
#endif