hal/nrf24le1/hal_nrf_hw.c

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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: 2513 $
 */

#include <nrf24le1.h>
#include <stdint.h>
#include "hal_nrf.h"

uint8_t hal_nrf_rw(uint8_t value)
{
  SPIRDAT = value;
  while(!(SPIRSTAT & (uint8_t)0x02U)) // wait for byte transfer finished
  {
  }
  return SPIRDAT;             // return SPI read value
}