terom@9: #ifndef QMSK_PORT_H
terom@9: #define QMSK_PORT_H
terom@9: 
terom@9: #include <avr/io.h>
terom@9: 
terom@9: typedef volatile uint8_t ioport_t;
terom@9: 
terom@9: static inline ioport_t tbi(ioport_t *port, uint8_t bit)
terom@9: {
terom@9:     return *port & (1 << bit);
terom@9: }
terom@9: 
terom@9: static inline void sbi(ioport_t *port, uint8_t bit)
terom@9: {
terom@9:     *port |= (1 << bit);
terom@9: }
terom@9: 
terom@9: static inline void cbi(ioport_t *port, uint8_t bit)
terom@9: {
terom@9:     *port &= ~(1 << bit);
terom@9: }
terom@9: 
terom@9: static inline void xbi(ioport_t *port, uint8_t bit)
terom@9: {
terom@9:     *port ^= (1 << bit);
terom@9: }
terom@9: #endif