hal/nrf24lu1p/hal_nrf_hw.h

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/* Copyright (c) 2009 Nordic Semiconductor. All Rights Reserved.
 *
 * The information contained herein is confidential property of Nordic 
 * Semiconductor ASA.Terms and conditions of usage are described in detail 
 * in NORDIC SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT. 
 *
 * Licensees are granted free, non-transferable use of the information. NO
 * WARRENTY of ANY KIND is provided. This heading must NOT be removed from
 * the file.
 *              
 * $LastChangedRevision: 133 $
 */

#ifndef HAL_NRF_LU1_H__
#define HAL_NRF_LU1_H__
#include "nrf24lu1p.h"

#define CSN_LOW() do { RFCSN = 0; } while(false)

#define CSN_HIGH() do { RFCSN = 1; } while(false)

#define CE_LOW() do { RFCE = 0; } while(false)

#define CE_HIGH() do { RFCE = 1; } while(false)

#define HAL_NRF_HW_SPI_WRITE(d) do{RFDAT = d; RFSPIF = 0;} while(false)

#define HAL_NRF_HW_SPI_READ() RFDAT
  
#define HAL_NRF_HW_SPI_BUSY (!RFSPIF)

#define CE_PULSE() do { \
  uint8_t count; \
  count = 20; \
  CE_HIGH();  \
  while(count--){} \
  CE_LOW();  \
  } while(false)

#endif // HAL_NRF_LU1_H__