nrf24spiXM2.h

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#ifndef __nrf24spiXM2_H__
#define __nrf24spiXM2_H__

#ifndef F_CPU
#define F_CPU 32000000UL
#endif

#include <avr/io.h>
#include <util/delay.h>

#define NRF_SELECT    0            
#define NRF_DESELECT  1            
#define NRF_ENABLE    1            
#define NRF_DISABLE   0            

void     nrfspiInit(void);
uint8_t  nrfspiTransfer(uint8_t iData);

inline void nrfCSn(uint8_t bSelected)
{
  if      (bSelected == NRF_DESELECT)  PORTF.OUTSET = PIN5_bm;
  else if (bSelected == NRF_SELECT)    PORTF.OUTCLR = PIN5_bm;
}

inline void nrfCE(uint8_t bEnabled)
{
  if      (bEnabled == NRF_ENABLE)   PORTF.OUTSET = PIN7_bm;
  else if (bEnabled == NRF_DISABLE)  PORTF.OUTCLR = PIN7_bm;
}

#endif