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/*******************************************************************************
* Copyright (C) ST-Ericsson SA 2011
* License terms: 3-clause BSD license
******************************************************************************/
#ifndef T_Z_NETWORK_H_
#define T_Z_NETWORK_H_
/**
* @addtogroup ldr_communication_serv
* @{
* @addtogroup z_family
* @{
* @addtogroup ldr_z_network_layer
* @{
*/
/*******************************************************************************
* Includes
******************************************************************************/
#include "t_communication_service.h"
#include "t_critical_section.h"
#include "t_z_header.h"
/*******************************************************************************
* Types, constants
******************************************************************************/
/** Defined state of the receiver */
typedef enum {
Z_RECEIVE_HEADER, /**< State for receiving Header.*/
Z_RECEIVE_PAYLOAD, /**< State for receiving Payload.*/
Z_RECEIVE_ERROR, /**< State for error handling.*/
Z_RECEIVE_IDLE /**< Receiver idle state.*/
} Z_InboundState_t;
/** Defined state of the transmitter */
typedef enum {
Z_SEND_IDLE, /**< Transmiter idle state.*/
Z_SEND_PACKET, /**< Transmiter send packet. */
Z_SENDING_PACKET /**< Transmiter is in process sending packet.*/
} Z_OutboundState_t;
/** Structure for handling incoming Z packets.*/
typedef struct {
/**< State of the state machine for handling incoming Z packets. */
Z_InboundState_t State;
/**< Number of requested data for receiving from communication device. */
uint32 ReqData;
/**< Number of receivied data from communication device. */
uint32 RecData;
/**< Temporary pointer to buffer for handling received data.*/
uint8 *Target_p;
/** Number of packets before receiver is stoped. */
uint8 PacketsBeforeReceiverStop;
/** Indicator for stopping the receiver. */
boolean StopTransfer;
/**< Temporary buffer for receiving data. */
uint8 Scratch[Z_HEADER_LENGTH];
} Z_Inbound_t;
/** Structure for handling outgoing Z packets.*/
typedef struct {
/**< State of the state machine for handling outgoing Z packets. */
Z_OutboundState_t State;
/**< Synchronization object to avoid parallel access in transmitter function. */
CriticalSection_t TxCriticalSection;
} Z_Outbound_t;
/** Z Network context */
typedef struct {
/**< Structure for handling incoming Z packets.*/
Z_Inbound_t Inbound;
/**< Structure for handling outgoing Z packets.*/
Z_Outbound_t Outbound;
} Z_NetworkContext_t;
/** @} */
/** @} */
/** @} */
#endif /*T_Z_LAYER_H_*/
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