IEEE802_11_Radio.c

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/************************************************************************************
 * Copyright (C) 2020                                                               *
 * TETCOS, Bangalore. India                                                         *
 *                                                                                  *
 * Tetcos owns the intellectual property rights in the Product and its content.     *
 * The copying, redistribution, reselling or publication of any or all of the       *
 * Product or its content without express prior written consent of Tetcos is        *
 * prohibited. Ownership and / or any other right relating to the software and all  *
 * intellectual property rights therein shall remain at all times with Tetcos.      *
 *                                                                                  *
 * Author:    Shashi Kant Suman                                                     *
 *                                                                                  *
 * ---------------------------------------------------------------------------------*/
#include "main.h"
#include "IEEE802_11_Phy.h"
#include "../BatteryModel/BatteryModel.h"
 
PHY_TX_STATUS get_radio_state(PIEEE802_11_PHY_VAR phy)
{
    return phy->radio.radioState;
}
 
static bool isChangeRadioIsPermitted(PIEEE802_11_MAC_VAR mac,
                                     PIEEE802_11_PHY_VAR phy,
                                     PHY_TX_STATUS newState,
                                     NETSIM_ID peerId,
                                     UINT64 transmissionId)
{
    PHY_TX_STATUS oldState = phy->radio.radioState;
 
    if (newState == RX_ON_BUSY && isMacTransmittingState(mac))
        return false;
 
    if (oldState == RX_ON_IDLE)
        return true; // Radio is idle.
 
    if (phy->radio.transmissionId == transmissionId)
        return true;
 
    if (phy->radio.peerId != peerId)
        return false;
 
    if (phy->radio.transmissionId != transmissionId)
        return false;
 
    if (oldState == RX_ON_BUSY && newState != RX_ON_IDLE)
        return false;
 
    if (oldState == TRX_ON_BUSY && newState != RX_ON_IDLE)
        return false;
 
    return true;
}
 
bool set_radio_state(NETSIM_ID d,
                     NETSIM_ID in,
                     PHY_TX_STATUS state,
                     NETSIM_ID peerId,
                     UINT64 transmissionId)
{
    PIEEE802_11_PHY_VAR phy = IEEE802_11_PHY(d, in);
    PIEEE802_11_MAC_VAR mac = IEEE802_11_MAC(d, in);
    if (phy == NULL) { return false; }
    if (phy->radio.radioState == RX_OFF)
        return false;
    
    if (!isChangeRadioIsPermitted(mac, phy, state, peerId, transmissionId))
        return false;
 
    ptrBATTERY battery = phy->battery;
    bool isChange = true;
    if (battery)
    {
        isChange = battery_set_mode(battery, state, pstruEventDetails->dEventTime);
    }
 
    if (isChange)
    {
        phy->radio.radioState = state;
        phy->radio.peerId = peerId;
        phy->radio.transmissionId = transmissionId;
    }
    else
        phy->radio.radioState = RX_OFF;
    phy->radio.eventId = pstruEventDetails->nEventId;
    return isChange;
}
 
bool is_radio_idle(PIEEE802_11_PHY_VAR phy)
{
    return (phy->radio.radioState==RX_ON_IDLE);
}