/*
 * Copyright 2012-2014,2018-2020 NXP
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#include <phEseTypes.h>
#include <phNxpEseProto7816_3.h>
#include <phNxpEsePal_i2c.h>
#include "sm_types.h"
#include "sm_timer.h"
#include <fsl_sss_types.h>

#ifdef FLOW_VERBOSE
#define NX_LOG_ENABLE_SMCOM_DEBUG 1
#endif

#include "nxLog_smCom.h"
#include "nxEnsure.h"

#if defined(USE_RTOS) && USE_RTOS == 1
#include "FreeRTOSConfig.h"
#include "FreeRTOS.h"
#endif

#define RECIEVE_PACKET_SOF      0xA5
#define CHAINED_PACKET_WITHSEQN      0x60
#define CHAINED_PACKET_WITHOUTSEQN      0x20
static int phNxpEse_readPacket(void* conn_ctx, void *pDevHandle, uint8_t * pBuffer, int nNbBytesToRead);
static int poll_sof_chained_delay = 0;

/*********************** Global Variables *************************************/

/* ESE Context structure */
phNxpEse_Context_t gnxpese_ctxt;

/******************************************************************************
 * Function         phNxpEse_init
 *
 * Description      This function is called by smCom during the
 *                  initialization of the ESE. It initializes protocol stack instance variable
 *
 * param[in]        connection context
 * param[in]        phNxpEse_initParams: ESE communication mode
 * param[out]       phNxpEse_data: ATR Response from ESE
 *
 * Returns          This function return ESESTATUS_SUCCES (0) in case of success
 *                  In case of failure returns other failure value.
 *
 ******************************************************************************/
ESESTATUS phNxpEse_init(void *conn_ctx, phNxpEse_initParams initParams, phNxpEse_data *AtrRsp)
{
    ESESTATUS wConfigStatus = ESESTATUS_SUCCESS;
    phNxpEse_Context_t* nxpese_ctxt = (conn_ctx == NULL) ? &gnxpese_ctxt : (phNxpEse_Context_t*)conn_ctx;
    bool_t status = FALSE;
    phNxpEseProto7816InitParam_t protoInitParam;
    phNxpEse_memset(&protoInitParam, 0x00, sizeof(phNxpEseProto7816InitParam_t));
    protoInitParam.rnack_retry_limit = MAX_RNACK_RETRY_LIMIT;
    protoInitParam.wtx_counter_limit = PH_PROTO_WTX_DEFAULT_COUNT;

    if (ESE_MODE_NORMAL == initParams.initMode) /* TZ/Normal wired mode should come here*/
    {
        protoInitParam.interfaceReset = TRUE;
    }
    else
    {
        protoInitParam.interfaceReset = FALSE;
        /*RFU*/
    }

    /* T=1 Protocol layer open */
    status = phNxpEseProto7816_Open((void*)nxpese_ctxt, protoInitParam , AtrRsp);
    if(FALSE == status)
    {
        wConfigStatus = ESESTATUS_FAILED;
        LOG_E("phNxpEseProto7816_Open failed ");
    }
    return wConfigStatus;
}

/******************************************************************************
 * Function         phNxpEse_open
 *
 * Description      This function is called by smCom during the
 *                  initialization of the ESE. It opens the physical connection
 *                  with ESE and initializes the protocol stack
 *
 * param[in]        Pointer to connection context
 * param[in]        phNxpEse_initParams: ESE communication mode
 *
 * Returns          This function return ESESTATUS_SUCCES (0) in case of success
 *                  In case of failure returns other failure value.
 *
 ******************************************************************************/
ESESTATUS phNxpEse_open(void **conn_ctx, phNxpEse_initParams initParams, const char *pConnString)
{
    phPalEse_Config_t tPalConfig;
    phNxpEse_Context_t *pnxpese_ctxt = NULL;
    ESESTATUS wConfigStatus = ESESTATUS_SUCCESS;

    if (conn_ctx == NULL) {
        pnxpese_ctxt = &gnxpese_ctxt;
    }
    else {
        pnxpese_ctxt = (phNxpEse_Context_t*)phNxpEse_memalloc(sizeof(phNxpEse_Context_t));
        phNxpEse_memset(pnxpese_ctxt, 0, sizeof(phNxpEse_Context_t));
        *conn_ctx = pnxpese_ctxt;
    }

    /*When I2C channel is already opened return status as FAILED*/
    if(pnxpese_ctxt->EseLibStatus != ESE_STATUS_CLOSE)
    {
        LOG_E(" Session already opened");
        return ESESTATUS_BUSY;
    }

    phNxpEse_memset(pnxpese_ctxt, 0x00, sizeof(phNxpEse_Context_t));
    phNxpEse_memset(&tPalConfig, 0x00, sizeof(tPalConfig));

    tPalConfig.pDevName = (int8_t *)pConnString; //"/dev/p73"; /*RFU*/
    /* Initialize PAL layer */
    wConfigStatus = phPalEse_i2c_open_and_configure(&tPalConfig);
    if (wConfigStatus != ESESTATUS_SUCCESS)
    {
        LOG_E("phPalEse_Init Failed");
        goto clean_and_return;
    }
    /* Copying device handle to ESE Lib context*/
    pnxpese_ctxt->pDevHandle = tPalConfig.pDevHandle;
    /* STATUS_OPEN */
    pnxpese_ctxt->EseLibStatus = ESE_STATUS_OPEN;
    phNxpEse_memcpy(&pnxpese_ctxt->initParams, &initParams, sizeof(phNxpEse_initParams));
    return wConfigStatus;

    clean_and_return:
    if (NULL != pnxpese_ctxt->pDevHandle)
    {
        phPalEse_i2c_close(pnxpese_ctxt->pDevHandle);
        phNxpEse_memset (pnxpese_ctxt, 0x00, sizeof (phNxpEse_Context_t));
    }
    pnxpese_ctxt->EseLibStatus = ESE_STATUS_CLOSE;
    return ESESTATUS_FAILED;
}

/******************************************************************************
 * Function         phNxpEse_Transceive
 *
 * Description      This function validate ESE state & C-APDU data before sending
 *                  it to 7816 protocol
 *
 * param[in]       connection context
 * param[in]       phNxpEse_data: Command to ESE C-APDU
 * param[out]      phNxpEse_data: Response from ESE R-APDU
 *
 * Returns          On Success ESESTATUS_SUCCESS else proper error code
 *
 ******************************************************************************/
ESESTATUS phNxpEse_Transceive(void* conn_ctx, phNxpEse_data *pCmd, phNxpEse_data *pRsp)
{
    ESESTATUS status = ESESTATUS_FAILED;
    bool_t bStatus = FALSE;
    phNxpEse_Context_t* nxpese_ctxt = (conn_ctx == NULL) ? &gnxpese_ctxt : (phNxpEse_Context_t*)conn_ctx;

    if((NULL == pCmd) || (NULL == pRsp))
        return ESESTATUS_INVALID_PARAMETER;

    if ((pCmd->len == 0) || pCmd->p_data == NULL )
    {
        LOG_E(" phNxpEse_Transceive - Invalid Parameter no data");
        return ESESTATUS_INVALID_PARAMETER;
    }
    else if ((ESE_STATUS_CLOSE == nxpese_ctxt->EseLibStatus))
    {
        LOG_E(" %s ESE Not Initialized ", __FUNCTION__);
        return ESESTATUS_NOT_INITIALISED;
    }
    else if ((ESE_STATUS_BUSY == nxpese_ctxt->EseLibStatus))
    {
        LOG_E(" %s ESE - BUSY ", __FUNCTION__);
        return ESESTATUS_BUSY;
    }
    else
    {
        nxpese_ctxt->EseLibStatus = ESE_STATUS_BUSY;
        bStatus = phNxpEseProto7816_Transceive((void*)nxpese_ctxt, pCmd, pRsp);
        if(TRUE == bStatus)
        {
            status = ESESTATUS_SUCCESS;
        }
        else
        {
            status = ESESTATUS_FAILED;
        }

        if (ESESTATUS_SUCCESS != status)
        {
            LOG_E(" %s phNxpEseProto7816_Transceive- Failed ", __FUNCTION__);
        }
        if (nxpese_ctxt->EseLibStatus != ESE_STATUS_CLOSE) {
            nxpese_ctxt->EseLibStatus = ESE_STATUS_IDLE;
        }

        LOG_D(" %s Exit status 0x%x ", __FUNCTION__, status);
        return status;
    }
}

/******************************************************************************
 * Function         phNxpEse_reset
 *
 * Description      This function reset the ESE interface and free all
 *
 * param[in]        connection context
 *
 * Returns          It returns ESESTATUS_SUCCESS (0) if the operation is successful else
 *                  ESESTATUS_FAILED(1)
 ******************************************************************************/
ESESTATUS phNxpEse_reset(void* conn_ctx)
{
    ESESTATUS status = ESESTATUS_FAILED;
    phNxpEse_Context_t* nxpese_ctxt = (conn_ctx == NULL) ? &gnxpese_ctxt : (phNxpEse_Context_t*)conn_ctx;
    //bool_t bStatus = phNxpEseProto7816_IntfReset(&AtrRsp);
    status = phNxpEse_chipReset((void*)nxpese_ctxt);
    if (status != ESESTATUS_SUCCESS)
    {
        LOG_E("phNxpEse_reset Failed");
    }
    return status;
}

/******************************************************************************
 * Function         phNxpEse_EndOfApdu
 *
 * Description      This function is used to send S-frame to indicate END_OF_APDU
 *
 * param[in]        connection context
 *
 * Returns          It returns ESESTATUS_SUCCESS (0) if the operation is successful else
 *                  ESESTATUS_FAILED(1)
 *
 ******************************************************************************/
ESESTATUS phNxpEse_EndOfApdu(void* conn_ctx)
{
    ESESTATUS status = ESESTATUS_SUCCESS;
    phNxpEse_Context_t* nxpese_ctxt = (conn_ctx == NULL) ? &gnxpese_ctxt : (phNxpEse_Context_t*)conn_ctx;
    bool_t bStatus = phNxpEseProto7816_Close((void*)nxpese_ctxt);
    if(!bStatus)
        status = ESESTATUS_FAILED;
    return status;
}


/******************************************************************************
 * Function         phNxpEse_chipReset
 *
 * Description      This function is used to reset the ESE.
 *
 * param[in]        connection context
 *
 * Returns          On Success ESESTATUS_SUCCESS (0) else ESESTATUS_FAILED (1).
 *
 ******************************************************************************/
ESESTATUS phNxpEse_chipReset(void* conn_ctx)
{
    ESESTATUS status = ESESTATUS_SUCCESS;
    bool_t bStatus = FALSE;
    phNxpEse_Context_t* nxpese_ctxt = (conn_ctx == NULL) ? &gnxpese_ctxt : (phNxpEse_Context_t*)conn_ctx;
    bStatus = phNxpEseProto7816_Reset();
    if(!bStatus)
    {
        status = ESESTATUS_FAILED;
        LOG_E("phNxpEseProto7816_Reset Failed");
    }
#if defined(T1oI2C_UM11225)
    bStatus = phNxpEseProto7816_ChipReset((void*)nxpese_ctxt);
#elif defined(T1oI2C_GP1_0)
    bStatus = phNxpEseProto7816_ColdReset((void*)nxpese_ctxt);
#endif
    if (bStatus != TRUE)
    {
        LOG_E("phNxpEse_chipReset  Failed");
    }
    return status;
}

/******************************************************************************
 * Function         phNxpEse_deInit
 *
 * Description      This function de-initializes all the ESE protocol params
 *
 * param[in]        connection context
 *
 * Returns          On Success ESESTATUS_SUCCESS (0) else ESESTATUS_FAILED (1).
 *
 ******************************************************************************/
ESESTATUS phNxpEse_deInit(void* conn_ctx)
{
    ESESTATUS status = ESESTATUS_SUCCESS;
    //bool_t bStatus = FALSE;
    phNxpEse_Context_t* nxpese_ctxt = (conn_ctx == NULL) ? &gnxpese_ctxt : (phNxpEse_Context_t*)conn_ctx;
    /*bStatus = phNxpEseProto7816_ResetProtoParams();
    if(!bStatus)
    {
        status = ESESTATUS_FAILED;
    }*/
    phPalEse_i2c_close(nxpese_ctxt->pDevHandle);
    phNxpEse_memset (nxpese_ctxt, 0x00, sizeof (*nxpese_ctxt));
    //status= phNxpEse_close();
    return status;
}

/******************************************************************************
 * Function         phNxpEse_close
 *
 * Description      This function close the ESE interface and free all
 *                  resources.
 *
 * param[in]        connection context
 *
 * Returns          On Success ESESTATUS_SUCCESS else proper error code.
 *
 ******************************************************************************/
ESESTATUS phNxpEse_close(void* conn_ctx)
{
    ESESTATUS status = ESESTATUS_SUCCESS;
    phNxpEse_Context_t* nxpese_ctxt = (conn_ctx == NULL) ? &gnxpese_ctxt : (phNxpEse_Context_t*)conn_ctx;

    if ((ESE_STATUS_CLOSE == nxpese_ctxt->EseLibStatus))
    {
        LOG_E(" %s ESE Not Initialized previously ", __FUNCTION__);
        return ESESTATUS_NOT_INITIALISED;
    }

    phPalEse_i2c_close(nxpese_ctxt->pDevHandle);
    phNxpEse_memset (nxpese_ctxt, 0x00, sizeof (*nxpese_ctxt));
    LOG_D("phNxpEse_close - ESE Context deinit completed");
    /* Return success always */
    if(conn_ctx != NULL){
        /*free the memory allocated during phNxpEse_open*/
        phNxpEse_free(conn_ctx);
    }
    return status;
}

/******************************************************************************
 * Function         phNxpEse_clearReadBuffer
 *
 * Description      This function read out complete data from  SE FIFO read buffer
 *                  interface (e.g. I2C) using the  driver interface.
 *                  Just to make sure that if host is unable to read complete data
 *                  during previous transaction
 *
 * param[in]        void*: connection context
 *
 * Returns          void
 *
 ******************************************************************************/
void phNxpEse_clearReadBuffer(void* conn_ctx)
{
    int ret = -1;
    uint8_t readBuf[MAX_DATA_LEN];
    phNxpEse_Context_t* nxpese_ctxt = (conn_ctx == NULL) ? &gnxpese_ctxt : (phNxpEse_Context_t*)conn_ctx;

    LOG_D("%s Enter ..", __FUNCTION__);

    ret = phPalEse_i2c_read(nxpese_ctxt->pDevHandle, readBuf, MAX_DATA_LEN);
    if(ret < 0)
    {
        /* Do nothing as nothing to read*/
    }
    else
    {
        LOG_W("Previous transaction buffer is now cleard");
        LOG_MAU8_D("RAW Rx<",readBuf,ret );
    }
    return;
}


/******************************************************************************
 * Function         phNxpEse_read
 *
 * Description      This function read the data from ESE through physical
 *                  interface (e.g. I2C) using the  driver interface.
 *
 * param[in]        void*: connection context
 * param[out]       uint32_t: number of bytes read
 * param[out]       uint8_t : Read data from ESE
 *
 * Returns          It returns ESESTATUS_SUCCESS (0) if read successful else
 *                  ESESTATUS_FAILED(1)
 *
 ******************************************************************************/
ESESTATUS phNxpEse_read(void* conn_ctx, uint32_t *data_len, uint8_t **pp_data)
{
    ESESTATUS status = ESESTATUS_FAILED;
    int ret = -1;
    phNxpEse_Context_t* nxpese_ctxt = (conn_ctx == NULL) ? &gnxpese_ctxt : (phNxpEse_Context_t*)conn_ctx;

    LOG_D("%s Enter ..", __FUNCTION__);

    ENSURE_OR_GO_EXIT(data_len != NULL);
    ENSURE_OR_GO_EXIT(pp_data != NULL);

    ret = phNxpEse_readPacket((void*)nxpese_ctxt, nxpese_ctxt->pDevHandle, nxpese_ctxt->p_read_buff, MAX_DATA_LEN);
    if(ret < 0)
    {
        LOG_E("PAL Read status error status = %x", status);
        status = ESESTATUS_FAILED;
    }
    else
    {
        LOG_MAU8_D("RAW Rx<",nxpese_ctxt->p_read_buff,ret );
        *data_len = ret;
        *pp_data = nxpese_ctxt->p_read_buff;
        status = ESESTATUS_SUCCESS;
    }
exit:
    return status;
}

/******************************************************************************
 * Function         phNxpEse_readPacket
 *
 * Description      This function Reads requested number of bytes from
 *                  ESE device into given buffer.
 *
 * param[in]        void*: connection context
 * param[in]        void: ESE Context
 * param[in]        uint8_t: pointer to read buffer
 * param[in]        int : MAX bytes to read
 *
 * Returns          ret - number of successfully read bytes
 *                  -1  - read operation failure
 *
 ******************************************************************************/
static int phNxpEse_readPacket(void* conn_ctx, void *pDevHandle, uint8_t * pBuffer, int nNbBytesToRead)
{
    int ret = -1;
    int sof_counter = 0;/* one read may take 1 ms*/
    int total_count = 0 ,numBytesToRead=0, headerIndex=0;
    phNxpEse_Context_t* nxpese_ctxt = (conn_ctx == NULL) ? &gnxpese_ctxt : (phNxpEse_Context_t*)conn_ctx;

    ENSURE_OR_GO_EXIT(pBuffer != NULL);
    memset(pBuffer,0,nNbBytesToRead);
    do
    {
        sof_counter++;
        ret = -1;
        sm_sleep(ESE_POLL_DELAY_MS); /* 1ms delay to give ESE polling delay */
        ret = phPalEse_i2c_read(pDevHandle, pBuffer, 2); /*read NAD PCB byte first*/
        if (ret < 0)
        {
            /*Polling for read on i2c, hence Debug log*/
            LOG_D("_i2c_read() [HDR]errno : %x ret : %X", errno, ret);
        }
        if(pBuffer[0] == RECIEVE_PACKET_SOF)
        {
            /* Read the HEADR of Two bytes*/
            LOG_D("%s Read HDR", __FUNCTION__);
            pBuffer[0] = RECIEVE_PACKET_SOF;
#if defined(T1oI2C_UM11225)
            numBytesToRead = 1;
#elif defined(T1oI2C_GP1_0)
            numBytesToRead = 2;
#endif
            headerIndex = 1;
            break;
        }
        if(pBuffer[1] == RECIEVE_PACKET_SOF)
        {
            /* Read the HEADR of Two bytes*/
            LOG_D("%s Read HDR", __FUNCTION__);
            pBuffer[0] = RECIEVE_PACKET_SOF;
#if defined(T1oI2C_UM11225)
            numBytesToRead = 2;
#elif defined(T1oI2C_GP1_0)
            numBytesToRead = 3;
#endif
            headerIndex = 0;
            break;
        }
        /*if host writes invalid frame and host and SE are out of sync*/
        if((pBuffer[0] == 0x00)&&((pBuffer[1] == 0x82)||(pBuffer[1] == 0x92)))
        {
            LOG_W("%s Recieved NAD byte 0x%x ",__FUNCTION__,pBuffer[0]);
            LOG_W("%s NAD error, clearing the read buffer ", __FUNCTION__);
            /*retry to get all data*/
#if defined(T1oI2C_UM11225)
            numBytesToRead = 1;
#elif defined(T1oI2C_GP1_0)
            numBytesToRead = 2;
#endif
            headerIndex = 1;
            ret = phPalEse_i2c_read(pDevHandle, &pBuffer[1+headerIndex], numBytesToRead);
#if defined(T1oI2C_UM11225)
            total_count = 3;
            nNbBytesToRead = pBuffer[2];
#elif defined(T1oI2C_GP1_0)
            total_count = 4;
            nNbBytesToRead = (pBuffer[2] << 8 & 0xFF) | (pBuffer[3] & 0xFF) ;
#endif
            /* Read the Complete data + two byte CRC*/
            ret = phPalEse_i2c_read(pDevHandle, &pBuffer[PH_PROTO_7816_HEADER_LEN], (nNbBytesToRead+PH_PROTO_7816_CRC_LEN));
            if (ret < 0)
            {
                LOG_D("_i2c_read() [HDR]errno : %x ret : %X", errno, ret);
                ret = -1;
            }
            else
            {
                ret = (total_count + (nNbBytesToRead + PH_PROTO_7816_CRC_LEN));
            }
            break;
        }
        /*If it is Chained packet wait for 1 ms*/
        if(poll_sof_chained_delay == 1)
        {
            LOG_D("%s Chained Pkt, delay read %dms",__FUNCTION__,ESE_POLL_DELAY_MS * CHAINED_PKT_SCALER);
            sm_sleep(ESE_POLL_DELAY_MS);
        }
        else
        {
            LOG_D("%s Normal Pkt, delay read %dms",__FUNCTION__,ESE_POLL_DELAY_MS * NAD_POLLING_SCALER);
            sm_sleep(ESE_POLL_DELAY_MS);
        }
    } while ((sof_counter < ESE_NAD_POLLING_MAX) && (nxpese_ctxt->EseLibStatus!= ESE_STATUS_CLOSE));
    if((pBuffer[0] == RECIEVE_PACKET_SOF) && (ret > 0))
    {
        LOG_D("%s SOF FOUND", __FUNCTION__);
        /* Read the HEADR of one/Two bytes based on how two bytes read A5 PCB or 00 A5*/
        ret = phPalEse_i2c_read(pDevHandle, &pBuffer[1+headerIndex], numBytesToRead);
        if (ret < 0)
        {
            LOG_D("_i2c_read() [HDR]errno : %x ret : %X", errno, ret);
        }
        if((pBuffer[1] == CHAINED_PACKET_WITHOUTSEQN) || (pBuffer[1] == CHAINED_PACKET_WITHSEQN))
        {
            poll_sof_chained_delay = 1;
            LOG_D("poll_sof_chained_delay value is %d ", poll_sof_chained_delay);
        }
        else
        {
            poll_sof_chained_delay = 0;
            LOG_D("poll_sof_chained_delay value is %d ", poll_sof_chained_delay);
        }
#if defined(T1oI2C_UM11225)
        total_count = 3;
        nNbBytesToRead = pBuffer[2];
#elif defined(T1oI2C_GP1_0)
        total_count = 4;
        nNbBytesToRead = (pBuffer[2] << 8 & 0xFF) | (pBuffer[3] & 0xFF) ;
#endif
        /* Read the Complete data + two byte CRC*/
        ret = phPalEse_i2c_read(pDevHandle, &pBuffer[PH_PROTO_7816_HEADER_LEN], (nNbBytesToRead+PH_PROTO_7816_CRC_LEN));
        if (ret < 0)
        {
            LOG_D("_i2c_read() [HDR]errno : %x ret : %X", errno, ret);
            ret = -1;
        }
        else
        {
            ret = (total_count + (nNbBytesToRead+PH_PROTO_7816_CRC_LEN));
        }
   }
   else
   {
       ret=-1;
   }
exit:
    return ret;
}
/******************************************************************************
 * Function         phNxpEse_WriteFrame
 *
 * Description      This function writes the data to ESE.
 *                  It waits till write callback provide the result of write
 *                  process.
 *
 * param[in]        void*: connection context
 * param[in]        uint32_t: number of bytes to be written
 * param[in]        uint8_t : data buffer
 *
 * Returns          It returns ESESTATUS_SUCCESS (0) if write successful else
 *                  ESESTATUS_FAILED(1)
 *
 ******************************************************************************/
ESESTATUS phNxpEse_WriteFrame(void* conn_ctx, uint32_t data_len, const uint8_t *p_data)
{
    ESESTATUS status = ESESTATUS_INVALID_PARAMETER;
    int32_t dwNoBytesWrRd = 0;
    phNxpEse_Context_t* nxpese_ctxt = (conn_ctx == NULL) ? &gnxpese_ctxt : (phNxpEse_Context_t*)conn_ctx;

    /* Create local copy of cmd_data */
    LOG_D("%s Enter ..", __FUNCTION__);
    phNxpEse_memcpy(nxpese_ctxt->p_cmd_data, p_data, data_len);
    nxpese_ctxt->cmd_len = data_len;
    if(nxpese_ctxt->EseLibStatus != ESE_STATUS_CLOSE)
    {
        dwNoBytesWrRd = phPalEse_i2c_write(nxpese_ctxt->pDevHandle,
                            nxpese_ctxt->p_cmd_data,
                            nxpese_ctxt->cmd_len
                            );
        if (-1 == dwNoBytesWrRd)
        {
            LOG_E(" - Error in I2C Write.....");
            status = ESESTATUS_FAILED;
        }
        else if (-2 == dwNoBytesWrRd)
        {
            status = ESESTATUS_INVALID_STATE;
        }
        else
        {
            status = ESESTATUS_SUCCESS;
            LOG_MAU8_D("RAW Tx>",nxpese_ctxt->p_cmd_data, nxpese_ctxt->cmd_len );
        }
    }
    else
        status = ESESTATUS_INVALID_STATE;
    return status;
}

/******************************************************************************
 * Function         phNxpEse_setIfsc
 *
 * Description      This function sets the IFSC size to 240/254 support JCOP OS Update.
 *
 * param[in]        uint16_t IFSC_Size
 *
 * Returns          Always return ESESTATUS_SUCCESS (0).
 *
 ******************************************************************************/
ESESTATUS phNxpEse_setIfsc(uint16_t IFSC_Size)
{
    /*SET the IFSC size to 240 bytes*/
    phNxpEseProto7816_SetIfscSize(IFSC_Size);
    return ESESTATUS_SUCCESS;
}

/******************************************************************************
 * Function         phNxpEse_memset
 *
 * Description      This function updates destination buffer with val
 *                  data in len size
 *
 * param[in]        buff - Array to be udpated
 * param[in]        val  - value to be updated
 * param[in]        len  - length of array to be updated
 *
 * Returns          Always return ESESTATUS_SUCCESS (0).
 *
 ******************************************************************************/
void* phNxpEse_memset(void *buff, int val, size_t len)
{
    return memset(buff, val, len);
}

/******************************************************************************
 * Function         phNxpEse_memcpy
 *
 * Description      This function copies source buffer to  destination buffer
 *                  data in len size
 *
 * param[in]        dest - Destination array to be updated
 * param[in]        src  - Source array to be updated
 * param[in]        len  - length of array to be updated
 *
 * Returns          Return pointer to allocated memory location.
 *
 ******************************************************************************/
void* phNxpEse_memcpy(void *dest, const void *src, size_t len)
{
    return memcpy(dest, src, len);
}

/******************************************************************************
 * Function         phNxpEse_Memalloc
 *
 * Description      This function allocation memory
 *
 * param[in]        uint32_t size
 *
 * Returns          Return pointer to allocated memory or NULL.
 *
 ******************************************************************************/
void *phNxpEse_memalloc(uint32_t size)
{
    return SSS_MALLOC(size);
}


/******************************************************************************
 * Function         phNxpEse_free
 *
 * Description      This function de-allocation memory
 *
 * param[in]        ptr - Address pointer to previous allocation
 *
 * Returns          void.
 *
 ******************************************************************************/
void phNxpEse_free(void* ptr)
{
    ENSURE_OR_GO_EXIT(ptr != NULL);
    SSS_FREE(ptr);
exit:
    return;
}

#if defined(T1oI2C_UM11225)
/******************************************************************************
 * Function         phNxpEse_getAtr
 *
 * Description      This function get ATR from ESE.
 *
 * param[out]       phNxpEse_data: Response from ESE
 *
 * Returns          On Success ESESTATUS_SUCCESS else ESESTATUS_FAILED.
 *
 ******************************************************************************/
ESESTATUS phNxpEse_getAtr(void* conn_ctx, phNxpEse_data *pRsp)
{
    bool_t status = FALSE;
    status =phNxpEseProto7816_GetAtr(conn_ctx, pRsp);
    if (status == FALSE)
    {
        LOG_E("%s Get ATR Failed ", __FUNCTION__);
        return ESESTATUS_FAILED;
    }
    return ESESTATUS_SUCCESS;
}
#endif

#if defined(T1oI2C_GP1_0)
/******************************************************************************
 * Function         phNxpEse_getCip
 *
 * Description      This function get CIP from ESE.
 *
 * param[out]       phNxpEse_data: Response from ESE
 *
 * Returns          On Success ESESTATUS_SUCCESS else ESESTATUS_FAILED.
 *
 ******************************************************************************/
ESESTATUS phNxpEse_getCip(void* conn_ctx, phNxpEse_data *pRsp)
{
    bool_t status = FALSE;
    status =phNxpEseProto7816_GetCip(conn_ctx, pRsp);
    if (status == FALSE)
    {
        LOG_E("%s Get CIP Failed ", __FUNCTION__);
        return ESESTATUS_FAILED;
    }
    return ESESTATUS_SUCCESS;
}
#endif