/*******************************************************************
Copyright (C):
File name    :    Iec101.h
DESCRIPTION  :
AUTHOR       :
Version      :    1.0
Date         :    2014/07/23
Others       :
History      :
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1) Date: 2014/07/23         Author: ChenDajie
   content:

*******************************************************************/

#ifndef _IEC101_H
#define _IEC101_H

#include "iec10x.h"
#include "iec10x_conf.h"
#include "iec10x_prio_queue.h"
#include "iec10x_type.h"
#include <stdio.h>
#include <string.h>

#ifdef IEC101_STM32
#define ARM_PACK __packed
#ifdef __cplusplus
extern "C"
{
#endif

    /*
    *********************************************************************************************************
    *                           FUNCTION CODE
    *********************************************************************************************************
    */
    /*
     * down
     * */
#define IEC101_CTRL_RESET_LINK        0
#define IEC101_CTRL_PULSE             2
#define IEC101_CTRL_SEND_USR_DATA_ACK 3
#define IEC101_CTRL_SEND_DATA         4
#define IEC101_CTRL_REQ_LINK_STATUS   9

/*
 * up
 * */
#define IEC101_CTRL_RES_CONFIRM     0x00
#define IEC101_CTRL_RES_LINK_STATUS 0x0B
/*
 * DIR, PRM, FCB, FCV, ACD, DFC
 * */
#define IEC101_CTRL_DIR_DOWN       0x01
#define IEC101_CTRL_DIR_UP         0x00
#define IEC101_CTRL_FCB_OPPO_BIT   0x01
#define IEC101_CTRL_FCB_OPPO_NONE  0x00
#define IEC101_CTRL_PRM_MASTER     0x01
#define IEC101_CTRL_PRM_SLAVE      0x00
#define IEC101_CTRL_FCV_ENABLE     0x01
#define IEC101_CTRL_FCV_DISABLE    0x00
#define IEC101_CTRL_ACD_WITH_DATA  0x01
#define IEC101_CTRL_ACD_NONE_DATA  0x00
#define IEC101_CTRL_DFC_CAN_REC    0x00
#define IEC101_CTRL_DFC_CANNOT_REC 0x01

    /*
    *********************************************************************************************************
    *                           FRAME  VALUE
    *********************************************************************************************************
    */
#define IEC101_STABLE_BEGING 0X10
#define IEC101_STABLE_END    0X16
#define IEC101_STABLE_LEN    0X06
/*
 * variable
 * */
#define IEC101_VARIABLE_BEGING 0X68
#define IEC101_VARIABLE_END    0X16
    /*
     * length of variable
     * */
#define IEC101_VARIABLE_HEAD_LEN (sizeof(IEC101_68_T) - 1)
#define IEC101_VARIABLE_ASDU_LEN (sizeof(IEC10X_ASDU_T) - 1)
#define IEC101_VARIABLE_INFO_LEN (sizeof(ASDU_INFO_T) - 1)
#define IEC101_VARIABLE_LEN      (IEC101_VARIABLE_HEAD_LEN + IEC101_VARIABLE_ASDU_LEN + IEC101_VARIABLE_INFO_LEN + 2) /*add cs+end*/

#pragma pack(1)

#define IEC101_MAX_BUF_LEN 256

    /*
     * Control Code
     * */
    typedef __packed struct
    {

        iec_8u _func : 4; /* function */
        iec_8u _fcv  : 1;
        iec_8u _fcb  : 1; /* Frame calculate bit */
        iec_8u _prm  : 1; /* 1:from start station, 0:from end station */
        iec_8u _dir  : 1;

    } CTRL_DOWN_T;

    typedef __packed struct
    {

        iec_8u _func : 4; /*function*/
        iec_8u _dfc  : 1;
        iec_8u _acd  : 1;
        iec_8u _prm  : 1;
        iec_8u _dir  : 1;

    } CTRL_UP_T;

    typedef __packed union
    {
        CTRL_UP_T   up;
        CTRL_DOWN_T down;
        iec_8u      val;
    } CTRL_T, *PCTRL_T;

    /*
     *  regular frame   head:10
     * */
    typedef __packed struct
    {
        iec_8u  _begin;
        CTRL_T  _ctrl;
        iec_16u _addr;
        iec_8u  _cs;
        iec_8u  _end;
    } IEC101_10_T, *PIEC101_10_T;

    /*
     *  variable fram   head:68
     * */
    typedef __packed struct
    {
        iec_8u  _begin;
        iec_8u  _len;
        iec_8u  _len_cfm;
        iec_8u  _begin_cfm;
        CTRL_T  _ctrl;
        iec_16u _addr;
        iec_8u  _asdu[1];
    } IEC101_68_T, *PIEC101_68_T;

#pragma pack()

    /* IEC101 STATE-MACHINE */
    enum
    {
        IEC101_FLAG_LINK_CLOSED,
        IEC101_FLAG_LINK_IDLE,
        IEC101_FLAG_INIT_LINK,
        IEC101_FLAG_RESET_LINK,
        IEC101_FLAG_REQ_LINK,
        IEC101_FLAG_RESET_REMOTE_LINK,
        IEC101_FLAG_INIT_FIN,
        IEC101_FLAG_CALL_ACT,
        IEC101_FLAG_CALL_ACT_FIN,
        IEC101_FLAG_CALL_ACT_RET,
        IEC101_FLAG_CALL_SIG_TOTAL,
        IEC101_FLAG_CALL_DET_TOTAL,
        IEC101_FLAG_DELAY_ACT,
        IEC101_FLAG_CLOCK_SYS,
        IEC101_FLAG_PULSE,
        IEC101_FLAG_CALL_GROUP,
        IEC101_FLAG_CONNECT_OK,
    };

    /*
    *********************************************************************************************************
    *                                           GLOABLE VARIABLE
    *********************************************************************************************************
    */
    extern iec_16u IEC101_Pulse_Cnt;
    extern iec_8u  IEC101_STATE_FLAG_INIT;
    /*
    *********************************************************************************************************
    *                                          FUNCTION PROTOTYPES
    *********************************************************************************************************
    */

    void   Iex101_main(iec_8u *buf, iec_16u len);
    iec_8u Iec101_StateMachine(void);

    iec_8u IEC101_BuildSignal_Spont(iec_8u TimeFlag, iec_8u signalV, iec_16u addrV);
    iec_8u IEC101_BuildDetect_Spont(iec_8u TimeFlag, PIEC10X_DETECT_T detectV, iec_16u addrV);
    iec_8u IEC101_BuildDetectF_Spont(iec_8u TimeFlag, float detectV, iec_16u addrV);

#ifdef __cplusplus
}
#endif /*IEC101_STM32*/
#endif
#endif /*_IEC101_H*/