--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/utils/fsm.h Tue Jun 29 12:34:26 2010 +0100
@@ -0,0 +1,131 @@
+/*
+ * fsm.h
+ *
+ * Copyright(c) 1998 - 2010 Texas Instruments. All rights reserved.
+ * All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 or BSD License which accompanies
+ * this distribution. The Eclipse Public License is available at
+ * http://www.eclipse.org/legal/epl-v10.html and the BSD License is as below.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name Texas Instruments nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/** \file fsm.h
+ * \brief finite state machine header file
+ *
+ * \see fsm.c
+ */
+
+
+/***************************************************************************/
+/* */
+/* MODULE: fsm.h */
+/* PURPOSE: Finite State Machine API */
+/* */
+/***************************************************************************/
+
+#ifndef __FSM_H__
+#define __FSM_H__
+
+#include "tidef.h"
+#include "commonTypes.h"
+
+/* Constants */
+#define MAX_DESC_STRING_LEN 64
+
+
+/* Enumerations */
+
+/* Typedefs */
+
+/** state transition function */
+typedef TI_STATUS (*fsm_eventActivation_t)(TI_UINT8 *currState, TI_UINT8 event, void* data);
+
+/** action function type definition */
+typedef TI_STATUS (*fsm_Action_t)(void* pData);
+
+/* Structures */
+
+/* State\Event cell */
+typedef struct
+{
+ TI_UINT8 nextState; /**< next state in transition */
+ fsm_Action_t actionFunc; /**< action function */
+} fsm_actionCell_t;
+
+/** matrix type */
+typedef fsm_actionCell_t* fsm_Matrix_t;
+
+/** general FSM structure */
+typedef struct
+{
+ fsm_Matrix_t stateEventMatrix; /**< State\Event matrix */
+ TI_UINT8 MaxNoOfStates; /**< Max Number of states in the matrix */
+ TI_UINT8 MaxNoOfEvents; /**< Max Number of events in the matrix */
+ TI_UINT8 ActiveNoOfStates; /**< Active Number of states in the matrix */
+ TI_UINT8 ActiveNoOfEvents; /**< Active Number of events in the matrix */
+ fsm_eventActivation_t transitionFunc; /**< State transition function */
+} fsm_stateMachine_t;
+
+/* External data definitions */
+
+/* External functions definitions */
+
+/* Function prototypes */
+
+TI_STATUS fsm_Create(TI_HANDLE hOs,
+ fsm_stateMachine_t **pFsm,
+ TI_UINT8 MaxNoOfStates,
+ TI_UINT8 MaxNoOfEvents);
+
+TI_STATUS fsm_Unload(TI_HANDLE hOs,
+ fsm_stateMachine_t *pFsm);
+
+TI_STATUS fsm_Config(fsm_stateMachine_t *pFsm,
+ fsm_Matrix_t pMatrix,
+ TI_UINT8 ActiveNoOfStates,
+ TI_UINT8 ActiveNoOfEvents,
+ fsm_eventActivation_t transFunc,
+ TI_HANDLE hOs);
+
+TI_STATUS fsm_Event(fsm_stateMachine_t *pFsm,
+ TI_UINT8 *currentState,
+ TI_UINT8 event,
+ void *pData);
+
+TI_STATUS fsm_GetNextState(fsm_stateMachine_t *pFsm,
+ TI_UINT8 currentState,
+ TI_UINT8 event,
+ TI_UINT8 *nextState);
+
+
+TI_STATUS action_nop(void *pData);
+
+
+#endif /* __FSM_H__ */