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* DISCLAIMER
* This software is supplied by Renesas Electronics Corporation and is only intended for use with Renesas products. No
* other uses are authorized. This software is owned by Renesas Electronics Corporation and is protected under all
* applicable laws, including copyright laws.
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* Copyright (C) 2015 Renesas Electronics Corporation. All rights reserved.
***********************************************************************************************************************/

/***********************************************************************************************************************
* File Name    : ether_callback.c
* Version      : ----
* Description  : This module solves all the world's problems
***********************************************************************************************************************/

/**********************************************************************************************************************
 * History : DD.MM.YYYY Version  Description
 *         : 05.01.2015 ----     Clean up source code.
 ***********************************************************************************************************************/

/***********************************************************************************************************************
*  Includes   <System Includes> , "Project Includes"
***********************************************************************************************************************/
#include "r_ether_rx_if.h"

/***********************************************************************************************************************
*  Private global variables and functions
***********************************************************************************************************************/
int32_t callback_ether_regist( void );
void callback_ether( void * pparam );
static void callback_wakeon_lan( uint32_t channel );
static void callback_link_on( uint32_t channel );
static void callback_link_off( uint32_t channel );

volatile uint8_t pause_enable = ETHER_FLAG_OFF;
volatile uint8_t magic_packet_detect[ ETHER_CHANNEL_MAX ];
volatile uint8_t link_detect[ ETHER_CHANNEL_MAX ];

void EINT_Trig_isr( void * );

/*
 * When that Link Status changes, the following function will be called:
 */
void prvLinkStatusChange( BaseType_t xStatus );

/***********************************************************************************************************************
* Function Name: callback_ether
* Description  : Regist of callback function
* Arguments    : -
* Return Value : 0: success, -1:failed
***********************************************************************************************************************/
int32_t callback_ether_regist( void )
{
    ether_param_t param;
    ether_cb_t cb_func;

    int32_t ret;

    /* Set the callback function (LAN cable connect/disconnect event) */
    cb_func.pcb_func = &callback_ether;
    param.ether_callback = cb_func;
    ret = R_ETHER_Control( CONTROL_SET_CALLBACK, param );

    if( ETHER_SUCCESS != ret )
    {
        return -1;
    }

    /* Set the callback function (Ether interrupt event) */
    cb_func.pcb_int_hnd = &EINT_Trig_isr;
    param.ether_callback = cb_func;
    ret = R_ETHER_Control( CONTROL_SET_INT_HANDLER, param );

    if( ETHER_SUCCESS != ret )
    {
        return -1;
    }

    return 0;
} /* End of function callback_ether_regist() */

/***********************************************************************************************************************
* Function Name: callback_ether
* Description  : Sample of the callback function
* Arguments    : pparam -
*
* Return Value : none
***********************************************************************************************************************/
void callback_ether( void * pparam )
{
    ether_cb_arg_t * pdecode;
    uint32_t channel;

    pdecode = ( ether_cb_arg_t * ) pparam;
    channel = pdecode->channel; /* Get Ethernet channel number */

    switch( pdecode->event_id )
    {
        /* Callback function that notifies user to have detected magic packet. */
        case ETHER_CB_EVENT_ID_WAKEON_LAN:
            callback_wakeon_lan( channel );
            break;

        /* Callback function that notifies user to have become Link up. */
        case ETHER_CB_EVENT_ID_LINK_ON:
            callback_link_on( channel );
            break;

        /* Callback function that notifies user to have become Link down. */
        case ETHER_CB_EVENT_ID_LINK_OFF:
            callback_link_off( channel );
            break;

        default:
            break;
    }
} /* End of function callback_ether() */

/***********************************************************************************************************************
* Function Name: callback_wakeon_lan
* Description  :
* Arguments    : channel -
*                    Ethernet channel number
* Return Value : none
***********************************************************************************************************************/
static void callback_wakeon_lan( uint32_t channel )
{
    if( ETHER_CHANNEL_MAX > channel )
    {
        magic_packet_detect[ channel ] = 1;

        /* Please add necessary processing when magic packet is detected.  */
    }
} /* End of function callback_wakeon_lan() */

/***********************************************************************************************************************
* Function Name: callback_link_on
* Description  :
* Arguments    : channel -
*                    Ethernet channel number
* Return Value : none
***********************************************************************************************************************/
static void callback_link_on( uint32_t channel )
{
    if( ETHER_CHANNEL_MAX > channel )
    {
        link_detect[ channel ] = ETHER_FLAG_ON_LINK_ON;

        /* Please add necessary processing when becoming Link up. */
        prvLinkStatusChange( 1 );
    }
} /* End of function callback_link_on() */

/***********************************************************************************************************************
* Function Name: callback_link_off
* Description  :
* Arguments    : channel -
*                    Ethernet channel number
* Return Value : none
***********************************************************************************************************************/
static void callback_link_off( uint32_t channel )
{
    if( ETHER_CHANNEL_MAX > channel )
    {
        link_detect[ channel ] = ETHER_FLAG_ON_LINK_OFF;

        /* Please add necessary processing when becoming Link down. */
        prvLinkStatusChange( 0 );
    }
} /* End of function ether_cb_link_off() */

/* End of File */