mac_general.h

ucos在NEC平台下的移植

/*******************************************************************************************************
 *                                                                                                     *
 *        **********                                                                                   *
 *       ************                                                                                  *
 *      ***        ***                                                                                 *
 *      ***   +++   ***                                                                                *
 *      ***   + +   ***                                                                                *
 *      ***   +                         CHIPCON CC2420 INTEGRATED 802.15.4 MAC AND PHY                 *
 *      ***   + +   ***                       General MAC Constants, Types, etc.                       *
 *      ***   +++   ***                                                                                *
 *      ***        ***                                                                                 *
 *       ************                                                                                  *
 *        **********                                                                                   *
 *                                                                                                     *
 *******************************************************************************************************
 * CONFIDENTIAL                                                                                        *
 * The use of this file is restricted by the signed MAC software license agreement.                    *
 *                                                                                                     *
 * Copyright Chipcon AS, 2004                                                                          *
 *******************************************************************************************************
 * This module contains general types, constants, macros and functions used by many other MAC modules. *
 *******************************************************************************************************
 * Compiler: AVR-GCC                                                                                   *
 * Target platform: CC2420DB, CC2420 + any ATMEGA MCU                                                  *
 *******************************************************************************************************
 * The revision history is located at the bottom of this file                                          *
 *******************************************************************************************************/
#ifndef MACGENERAL_H
#define MACGENERAL_H


/*******************************************************************************************************
 *******************************************************************************************************
 **************************               CONSTANTS AND MACROS                **************************
 *******************************************************************************************************
 *******************************************************************************************************/


//-------------------------------------------------------------------------------------------------------
// Inherent MAC constants

// The maximum number of addresses shown in a pending list (in a beacon)
#define MAX_PENDING_LIST_SIZE   7
//-------------------------------------------------------------------------------------------------------


//-------------------------------------------------------------------------------------------------------
// MAC command packet types
typedef enum {
    CMD_ASSOCIATION_REQUEST = 1,
    CMD_ASSOCIATION_RESPONSE,
    CMD_DISASSOCIATION_NOTIFICATION,
    CMD_DATA_REQUEST,
    CMD_PAN_ID_CONFLICT_NOTIFICATION,
    CMD_ORPHAN_NOTIFICATION,
    CMD_BEACON_REQUEST,
    CMD_COORDINATOR_REALIGNMENT,
    CMD_GTS_REQUEST
} MAC_COMMAND_TYPE;
//-------------------------------------------------------------------------------------------------------

//-------------------------------------------------------------------------------------------------------
// MAC command payload lengths, including the command frame identifier

#define CMD_ASSOCIATION_REQUEST_PAYLOAD_LENGTH          2
#define CMD_ASSOCIATION_RESPONSE_PAYLOAD_LENGTH         4
#define CMD_DISASSOCIATION_NOTIFICATION_PAYLOAD_LENGTH  2
#define CMD_DATA_REQUEST_PAYLOAD_LENGTH                 1
#define CMD_PAN_ID_CONFLICT_NOTIFICATION_PAYLOAD_LENGTH 1
#define CMD_ORPHAN_NOTIFICATION_PAYLOAD_LENGTH          1
#define CMD_BEACON_REQUEST_PAYLOAD_LENGTH               1
#define CMD_COORDINATOR_REALIGNMENT_PAYLOAD_LENGTH      8
#define CMD_GTS_REQUEST_PAYLOAD_LENGTH                  2


//-------------------------------------------------------------------------------------------------------



//-------------------------------------------------------------------------------------------------------
// Frame control field formatting

// Indexes
#define FRAME_TYPE_IDX              0
#define SECURITY_ENABLED_IDX        3
#define FRAME_PENDING_IDX           4
#define ACK_REQ_IDX                 5
#define INTRA_PAN_IDX               6
#define DEST_ADDR_MODE_IDX          10
#define SRC_ADDR_MODE_IDX           14

// Bit masks
#define FRAME_TYPE_BM               0x0007
#define SECURITY_ENABLED_BM         0x0008
#define FRAME_PENDING_BM            0x0010
#define ACK_REQ_BM                  0x0020
#define INTRA_PAN_BM                0x0040
#define DEST_ADDR_MODE_BM           0x0C00
#define SRC_ADDR_MODE_BM            0xC000

// FRAME_TYPE
#define FT_BEACON                   0
#define FT_DATA                     1
#define FT_ACKNOWLEDGMENT           2
#define FT_MAC_COMMAND              3
#define FT_100                      4
#define FT_101                      5
#define FT_110                      6
#define FT_111                      7

// ADDR_MODE
// See mac.h
//-------------------------------------------------------------------------------------------------------


//-------------------------------------------------------------------------------------------------------
// Scan types
#define ENERGY_SCAN                 0
#define ACTIVE_SCAN                 1
#define PASSIVE_SCAN                2
#define ORPHAN_SCAN                 3
//-------------------------------------------------------------------------------------------------------


//-------------------------------------------------------------------------------------------------------
// Disassociate reasons
#define COORD_WISHES_DEVICE_TO_LEAVE 1
#define DEVICE_WISHES_TO_LEAVE       2
//-------------------------------------------------------------------------------------------------------


//-------------------------------------------------------------------------------------------------------
// Superframe specification field formatting (beacon)

// Indexes
#define SS_BEACON_ORDER_IDX         0
#define SS_SUPERFRAME_ORDER_IDX     4
#define SS_FINAL_CAP_SLOT_IDX       8
#define SS_BATT_LIFE_EXT_IDX        12
#define SS_PAN_COORDINATOR_IDX      14
#define SS_ASSOCIATION_PERMIT_IDX   15

// Bit masks
#define SS_BEACON_ORDER_BM          0x000F
#define SS_SUPERFRAME_ORDER_BM      0x00F0
#define SS_FINAL_CAP_SLOT_BM        0x0F00
#define SS_BATT_LIFE_EXT_BM         0x1000
#define SS_PAN_COORDINATOR_BM       0x4000
#define SS_ASSOCIATION_PERMIT_BM    0x8000
//-------------------------------------------------------------------------------------------------------


//-------------------------------------------------------------------------------------------------------
// Capability information field formatting (association request)

// Indexes
#define CI_ALTERNATE_PAN_COORD_IDX  0
#define CI_DEVICE_TYPE_IS_FFD_IDX   1
#define CI_POWER_SOURCE_IDX         2
#define CI_RX_ON_WHEN_IDLE_IDX      3
#define CI_SECURITY_CAPABILITY_IDX  6
#define CI_ALLOCATE_ADDRESS_IDX     7

// Bit masks
#define CI_ALTERNATE_PAN_COORD_BM   0x01
#define CI_DEVICE_TYPE_IS_FFD_BM    0x02
#define CI_POWER_SOURCE_BM          0x04
#define CI_RX_ON_WHEN_IDLE_BM       0x08
#define CI_SECURITY_CAPABILITY_BM   0x40
#define CI_ALLOCATE_ADDRESS_BM      0x80
//-------------------------------------------------------------------------------------------------------




/*******************************************************************************************************
 *******************************************************************************************************
 **************************                   MODULE DATA                     **************************
 *******************************************************************************************************
 *******************************************************************************************************/


//----------------------------------------------------------------------------------------------------------


//typedef BYTE KEY[16];
//
//typedef struct {
//    KEY pSymmetricKey;
//    DWORD frameCounter;
//    BYTE keySequenceCounter;
//#if MAC_OPT_SEQUENTIAL_FRESHNESS