nrf24l01.h

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/*
 * File:        nrf24l01.h
 * Purpose:     Prototype of nRF24L01 handler functions
 * Author:      Peter Ivanov, Olimex Ltd.
 * Modified by:
 * Created:     2007-10-14 11:29:32
 * Last modify: 2007-10-21 11:21:07 ivanovp {Time-stamp}
 * Copyright:   (C) Peter Ivanov, 2007
 * Licence:     GPL
 */
/**
 * \file nrf24l01.h
 * \brief Prototypes and defines for nRF24L01 handler functions.
 * \author Peter Ivanov, Olimex Ltd.
 */

#ifndef __INCLUDE_NRF24L01_H
#define __INCLUDE_NRF24L01_H
#include "common.h"

void NRF_init (void);
void NRF_send (uint8_t byte);
void NRF_prepareForReceive ();
bool_t NRF_receive (uint8_t *const byte);

//CONSTANTS
#define NRF_NOP         0xff
#define R_REGISTER      0x00
#define W_REGISTER      0x01
#define R_RX_PAYLOAD    0x61
#define W_TX_PAYLOAD    0xA0
#define FLUSH_TX        0xE1
#define FLUSH_RX        0xE2
#define REUSE_TX_PL     0xE3

#define RX_ADDR_P0      0x0A
#define RX_ADDR_P1      0x0B
#define TX_ADDR         0x10
#define RX_PW_P0        0x11
#define RX_PW_P1        0x12
#define FIFO_STATUS     0x17

#define MAX_RT          0x10

#define CONFIG_REG_ADDR 0x00
#define STATUS_ADDR     0x07

#define FLUSH_TX        0xE1
#define TX_FULL         0x01
#define RX_DR           0x40
#define TX_DS           0x20

#define IRQ()           (!(P1IN & BIT7)) // negative logic

#define RX_TX_TIME      100000
#define BUT_TIME        10000

#endif // __INCLUDE_NRF24L01_H

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