/*******************************************************************************************************
 *                                                                                                     *
 *         *********                                                                                   *
 *        ***********                                                                                  *
 *       ***       ***                                                                                 *
 *      ***   +++   ***                                                                                *
 *      ***   + +   ***                                                                                *
 *      ***   +                          CHIPCON CC2420 HARDWARE ABSTRACTION LIBRARY                   *
 *      ***   + +   ***                               CC2420 definitions                               *
 *      ***   +++   ***                                                                                *
 *       ***       ***                                                                                 *
 *        ***********                                                                                  *
 *         *********                                                                                   *
 *                                                                                                     *
 *******************************************************************************************************
 * CONFIDENTIAL                                                                                        *
 *******************************************************************************************************
 * The use of this file is restricted by the signed MAC software license agreement.                    *
 *******************************************************************************************************
 * This file contains register and RAM address definitions for CC2420, and macros for RSSI->ED->LQI    *
 * conversion.                                                                                         *
 *******************************************************************************************************/

#ifndef HAL_CC2420_H
#define HAL_CC2420_H

//-------------------------------------------------------------------------------------------------------
//	CC2420 register constants
#define CC2420_SNOP             0x00
#define CC2420_SXOSCON          0x01
#define CC2420_STXCAL           0x02
#define CC2420_SRXON            0x03
#define CC2420_STXON            0x04
#define CC2420_STXONCCA         0x05
#define CC2420_SRFOFF           0x06
#define CC2420_SXOSCOFF         0x07
#define CC2420_SFLUSHRX         0x08
#define CC2420_SFLUSHTX         0x09
#define CC2420_SACK             0x0A
#define CC2420_SACKPEND         0x0B
#define CC2420_SRXDEC           0x0C
#define CC2420_STXENC           0x0D
#define CC2420_SAES             0x0E

#define CC2420_MAIN             0x10
#define CC2420_MDMCTRL0         0x11
#define CC2420_MDMCTRL1         0x12
#define CC2420_RSSI             0x13
#define CC2420_SYNCWORD         0x14
#define CC2420_TXCTRL           0x15
#define CC2420_RXCTRL0          0x16
#define CC2420_RXCTRL1          0x17
#define CC2420_FSCTRL           0x18
#define CC2420_SECCTRL0         0x19
#define CC2420_SECCTRL1         0x1A
#define CC2420_BATTMON          0x1B
#define CC2420_IOCFG0           0x1C
#define CC2420_IOCFG1           0x1D
#define CC2420_MANFIDL          0x1E
#define CC2420_MANFIDH          0x1F
#define CC2420_FSMTC            0x20
#define CC2420_MANAND           0x21
#define CC2420_MANOR            0x22
#define CC2420_AGCCTRL          0x23
#define CC2420_AGCTST0          0x24
#define CC2420_AGCTST1          0x25
#define CC2420_AGCTST2          0x26
#define CC2420_FSTST0           0x27
#define CC2420_FSTST1           0x28
#define CC2420_FSTST2           0x29
#define CC2420_FSTST3           0x2A
#define CC2420_RXBPFTST         0x2B
#define CC2420_FSMSTATE         0x2C
#define CC2420_ADCTST           0x2D
#define CC2420_DACTST           0x2E
#define CC2420_TOPTST           0x2F
#define CC2420_RESERVED         0x30

#define CC2420_TXFIFO           0x3E
#define CC2420_RXFIFO           0x3F
//-------------------------------------------------------------------------------------------------------


//-------------------------------------------------------------------------------------------------------
// Memory

// Sizes
#define CC2420_RAM_SIZE			368
#define CC2420_FIFO_SIZE		128

// Addresses
#define CC2420RAM_TXFIFO		0x000
#define CC2420RAM_RXFIFO		0x080
#define CC2420RAM_KEY0			0x100
#define CC2420RAM_RXNONCE		0x110
#define CC2420RAM_SABUF			0x120
#define CC2420RAM_KEY1			0x130
#define CC2420RAM_TXNONCE		0x140
#define CC2420RAM_CBCSTATE		0x150
#define CC2420RAM_IEEEADDR		0x160
#define CC2420RAM_PANID			0x168
#define CC2420RAM_SHORTADDR		0x16A
//-------------------------------------------------------------------------------------------------------


//-------------------------------------------------------------------------------------------------------
// Status byte
#define CC2420_XOSC16M_STABLE	6
#define CC2420_TX_UNDERFLOW		5
#define CC2420_ENC_BUSY			4
#define CC2420_TX_ACTIVE		3
#define CC2420_LOCK				2
#define CC2420_RSSI_VALID		1
//-------------------------------------------------------------------------------------------------------

//-------------------------------------------------------------------------------------------------------
// SECCTRL0
#define CC2420_SECCTRL0_NO_SECURITY         0x0000
#define CC2420_SECCTRL0_CBC_MAC             0x0001
#define CC2420_SECCTRL0_CTR                 0x0002
#define CC2420_SECCTRL0_CCM                 0x0003

#define CC2420_SECCTRL0_SEC_M_IDX           2

#define CC2420_SECCTRL0_RXKEYSEL0           0x0000
#define CC2420_SECCTRL0_RXKEYSEL1           0x0020

#define CC2420_SECCTRL0_TXKEYSEL0           0x0000
#define CC2420_SECCTRL0_TXKEYSEL1           0x0040

#define CC2420_SECCTRL0_SEC_CBC_HEAD        0x0100
#define CC2420_SECCTRL0_RXFIFO_PROTECTION   0x0200


//-------------------------------------------------------------------------------------------------------
// RSSI to Energy Detection conversion
// RSSI_OFFSET defines the RSSI level where the PLME.ED generates a zero-value
#define RSSI_OFFSET -38
#define RSSI_2_ED(rssi)   ((rssi) < RSSI_OFFSET ? 0 : ((rssi) - (RSSI_OFFSET)))
#define ED_2_LQI(ed) (((ed) > 63 ? 255 : ((ed) << 2)))
//-------------------------------------------------------------------------------------------------------


#endif