/**************************************************************************
*
* Copyright (C) 2005 Steve Karg <skarg@users.sourceforge.net>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*********************************************************************/

/* This is one way to use the embedded BACnet stack under RTOS-32  */
/* compiled with Borland C++ 5.02 */
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include "config.h"
#include "bacdef.h"
#include "npdu.h"
#include "apdu.h"
#include "device.h"
#include "handlers.h"
#include "net.h"

/* buffers used for transmit and receive */
static uint8_t Rx_Buf[MAX_MPDU] = { 0 };

#ifdef BACDL_MSTP
volatile struct mstp_port_struct_t MSTP_Port;   /* port data */
static uint8_t MSTP_MAC_Address = 0x05; /* local MAC address */
#endif

static void Init_Service_Handlers(void)
{
    /* we need to handle who-is to support dynamic device binding */
    apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_WHO_IS, WhoIsHandler);
    /* set the handler for all the services we don't implement */
    /* It is required to send the proper reject message... */
    apdu_set_unrecognized_service_handler_handler
        (UnrecognizedServiceHandler);
    /* we must implement read property - it's required! */
    apdu_set_confirmed_handler(SERVICE_CONFIRMED_READ_PROPERTY,
        ReadPropertyHandler);
    apdu_set_confirmed_handler(SERVICE_CONFIRMED_WRITE_PROPERTY,
        WritePropertyHandler);
}

int main(int argc, char *argv[])
{
    BACNET_ADDRESS src = { 0 }; /* address where message came from */
    uint16_t pdu_len = 0;
    unsigned timeout = 100;     /* milliseconds */

    (void) argc;
    (void) argv;
    Device_Set_Object_Instance_Number(126);
    Init_Service_Handlers();
    /* init the physical layer */
#ifdef BACDL_BIP
    if (!bip_init())
        return 1;
#endif
#ifdef BACDL_ETHERNET
    if (!ethernet_init(NULL))
        return 1;
#endif
#ifdef BACDL_MSTP
    RS485_Initialize();
    MSTP_Init(&MSTP_Port, MSTP_MAC_Address);
#endif


    /* loop forever */
    for (;;) {
        /* input */
#ifdef BACDL_MSTP
        MSTP_Millisecond_Timer(&MSTP_Port);
        /* note: also called by RS-485 Receive ISR */
        RS485_Check_UART_Data(&MSTP_Port);
        MSTP_Receive_Frame_FSM(&MSTP_Port);
#endif

#if (defined(BACDL_ETHERNET) || defined(BACDL_BIP))
        /* returns 0 bytes on timeout */
        pdu_len = bacdl_receive(&src, &Rx_Buf[0], MAX_MPDU, timeout);
#endif

        /* process */

        if (pdu_len) {
            npdu_handler(&src, &Rx_Buf[0], pdu_len);
        }
        if (I_Am_Request) {
            I_Am_Request = false;
            Send_IAm();
        }
        /* output */
#ifdef BACDL_MSTP
        MSTP_Master_Node_FSM(&MSTP_Port);
#endif

        /* blink LEDs, Turn on or off outputs, etc */
    }
}