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/*
* Copyright (C) 2010 NXP Semiconductors
*
* 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.
*/
/*!
* \file phLlcNfc_StateMachine.c
* \brief Llc state machine implemenatation.
*
* Project: NFC-FRI-1.1
*
* $Date: Fri Apr 17 09:17:48 2009 $
* $Author: ing02260 $
* $Revision: 1.8 $
* $Aliases: NFC_FRI1.1_WK916_R23_1,NFC_FRI1.1_WK918_R24_1,NFC_FRI1.1_WK920_PREP1,NFC_FRI1.1_WK920_R25_1,NFC_FRI1.1_WK922_PREP1,NFC_FRI1.1_WK922_R26_1,NFC_FRI1.1_WK924_PREP1,NFC_FRI1.1_WK924_R27_1,NFC_FRI1.1_WK926_R28_1,NFC_FRI1.1_WK926_R28_2,NFC_FRI1.1_WK926_R28_3,NFC_FRI1.1_WK928_R29_1,NFC_FRI1.1_WK930_R30_1,NFC_FRI1.1_WK934_PREP_1,NFC_FRI1.1_WK934_R31_1,NFC_FRI1.1_WK941_PREP1,NFC_FRI1.1_WK941_PREP2,NFC_FRI1.1_WK941_1,NFC_FRI1.1_WK943_R32_1,NFC_FRI1.1_WK949_PREP1,NFC_FRI1.1_WK943_R32_10,NFC_FRI1.1_WK943_R32_13,NFC_FRI1.1_WK943_R32_14,NFC_FRI1.1_WK1007_R33_1,NFC_FRI1.1_WK1007_R33_4,NFC_FRI1.1_WK1017_PREP1,NFC_FRI1.1_WK1017_R34_1,NFC_FRI1.1_WK1017_R34_2,NFC_FRI1.1_WK1023_R35_1 $
*
*/
/*************************** Includes *******************************/
#include <phNfcTypes.h>
#include <phNfcStatus.h>
#include <phOsalNfc.h>
#include <phNfcInterface.h>
#include <phLlcNfc_DataTypes.h>
#include <phLlcNfc_Frame.h>
/*********************** End of includes ****************************/
/***************************** Macros *******************************/
/************************ End of macros *****************************/
/*********************** Local functions ****************************/
/******************** End of Local functions ************************/
/********************** Global variables ****************************/
/******************** End of Global Variables ***********************/
NFCSTATUS
phLlcNfc_H_ChangeState(
phLlcNfc_Context_t *psLlcCtxt,
phLlcNfc_State_t changeStateTo
)
{
NFCSTATUS result = PHNFCSTVAL(CID_NFC_LLC,
NFCSTATUS_INVALID_STATE);
if ((NULL != psLlcCtxt) &&
(changeStateTo != phLlcNfc_Uninitialise_State))
{
switch(psLlcCtxt->state)
{
case phLlcNfc_Uninitialise_State:
{
if (phLlcNfc_Initialising_State == changeStateTo)
{
result = NFCSTATUS_SUCCESS;
psLlcCtxt->state = changeStateTo;
}
break;
}
case phLlcNfc_Initialising_State:
{
if (phLlcNfc_Initialised_State == changeStateTo)
{
result = NFCSTATUS_SUCCESS;
psLlcCtxt->state = changeStateTo;
}
break;
}
case phLlcNfc_Initialised_State:
{
if (changeStateTo > phLlcNfc_Initialising_State)
{
result = NFCSTATUS_SUCCESS;
psLlcCtxt->state = changeStateTo;
}
break;
}
case phLlcNfc_ReceiveWait_State:
{
if (changeStateTo >= phLlcNfc_Initialised_State)
{
result = NFCSTATUS_SUCCESS;
psLlcCtxt->state = changeStateTo;
}
break;
}
case phLlcNfc_Sending_State:
{
if ((phLlcNfc_Initialised_State == changeStateTo) ||
(phLlcNfc_Sending_State == changeStateTo))
{
result = NFCSTATUS_SUCCESS;
psLlcCtxt->state = changeStateTo;
}
break;
}
case phLlcNfc_Receiving_State:
{
if ((phLlcNfc_Initialised_State == changeStateTo) ||
(phLlcNfc_Sending_State == changeStateTo))
{
result = NFCSTATUS_SUCCESS;
psLlcCtxt->state = changeStateTo;
}
break;
}
case phLlcNfc_Resend_State:
{
if (phLlcNfc_Initialised_State == changeStateTo)
{
result = NFCSTATUS_SUCCESS;
psLlcCtxt->state = changeStateTo;
}
if (phLlcNfc_Sending_State == changeStateTo)
{
result = NFCSTATUS_SUCCESS;
if (0 != psLlcCtxt->s_frameinfo.s_send_store.winsize_cnt)
{
psLlcCtxt->state = changeStateTo;
}
}
break;
}
default:
{
/* Error scenario: There cant be any change in the state,
while LLC is in these states */
result = PHNFCSTVAL(CID_NFC_LLC,
NFCSTATUS_INVALID_FORMAT);
break;
}
}
}
if ((NULL != psLlcCtxt) &&
(phLlcNfc_Uninitialise_State == changeStateTo))
{
psLlcCtxt->state = changeStateTo;
}
return result;
}
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