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/************************************************************************************//**
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* \file         Source\gateway.h
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* \brief        Bootloader gateway interface header file. Needs the communication module!
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* \ingroup      Core
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* \internal
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*----------------------------------------------------------------------------------------
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*                          C O P Y R I G H T
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*----------------------------------------------------------------------------------------
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*   Copyright (c) 2011  by Feaser    http://www.feaser.com    All rights reserved
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*
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*----------------------------------------------------------------------------------------
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*                            L I C E N S E
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*----------------------------------------------------------------------------------------
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* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as published by the Free
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* Software Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with OpenBLT.
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* If not, see <http://www.gnu.org/licenses/>.
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*
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* A special exception to the GPL is included to allow you to distribute a combined work 
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* that includes OpenBLT without being obliged to provide the source code for any 
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* proprietary components. The exception text is included at the bottom of the license
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* file <license.html>.
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* 
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* \endinternal
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****************************************************************************************/
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#ifndef GATE_H
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#define GATE_H
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#if (BOOT_GATE_ENABLE > 0)
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#if (BOOT_COM_ENABLE <= 0)
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/****************************************************************************************
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* Macro definitions
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****************************************************************************************/
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/** \brief Defines the maximum number of bytes for transport layer reception
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 *         depending on the activates interface(s).
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 */
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#define BOOT_COM_RX_MAX_DATA            (1)
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/* update in case CAN interface uses more */
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#if (BOOT_COM_CAN_RX_MAX_DATA > BOOT_COM_RX_MAX_DATA)
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#undef BOOT_COM_RX_MAX_DATA
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#define BOOT_COM_RX_MAX_DATA            (BOOT_COM_CAN_RX_MAX_DATA)
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#endif
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/* update in case UART interface uses more */
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#if (BOOT_COM_UART_RX_MAX_DATA > BOOT_COM_RX_MAX_DATA)
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#undef BOOT_COM_RX_MAX_DATA
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#define BOOT_COM_RX_MAX_DATA            (BOOT_COM_UART_RX_MAX_DATA)
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#endif
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/* update in case USB interface uses more */
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#if (BOOT_COM_USB_RX_MAX_DATA > BOOT_COM_RX_MAX_DATA)
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#undef BOOT_COM_RX_MAX_DATA
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#define BOOT_COM_RX_MAX_DATA            (BOOT_COM_USB_RX_MAX_DATA)
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#endif
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/* update in case NET interface uses more */
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#if (BOOT_COM_NET_RX_MAX_DATA > BOOT_COM_RX_MAX_DATA)
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#undef BOOT_COM_RX_MAX_DATA
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#define BOOT_COM_RX_MAX_DATA            (BOOT_COM_NET_RX_MAX_DATA)
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#endif
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/** \brief Defines the maximum number of bytes for transport layer transmission
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 *         depending on the activates interface(s).
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 */
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#define BOOT_COM_TX_MAX_DATA            (1)
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/* update in case CAN interface uses more */
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#if (BOOT_COM_CAN_TX_MAX_DATA > BOOT_COM_TX_MAX_DATA)
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#undef BOOT_COM_TX_MAX_DATA
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#define BOOT_COM_TX_MAX_DATA            (BOOT_COM_CAN_TX_MAX_DATA)
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#endif
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/* update in case UART interface uses more */
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#if (BOOT_COM_UART_TX_MAX_DATA > BOOT_COM_TX_MAX_DATA)
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#undef BOOT_COM_TX_MAX_DATA
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#define BOOT_COM_TX_MAX_DATA            (BOOT_COM_UART_TX_MAX_DATA)
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#endif
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/* update in case USB interface uses more */
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#if (BOOT_COM_USB_TX_MAX_DATA > BOOT_COM_TX_MAX_DATA)
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#undef BOOT_COM_TX_MAX_DATA
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#define BOOT_COM_TX_MAX_DATA            (BOOT_COM_USB_TX_MAX_DATA)
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#endif
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/* update in case NET interface uses more */
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#if (BOOT_COM_NET_TX_MAX_DATA > BOOT_COM_TX_MAX_DATA)
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#undef BOOT_COM_TX_MAX_DATA
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#define BOOT_COM_TX_MAX_DATA            (BOOT_COM_NET_TX_MAX_DATA)
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#endif
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#endif /* BOOT_COM_ENABLE <= 0 */
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/****************************************************************************************
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* Plausibility
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****************************************************************************************/
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#if (BOOT_COM_TX_MAX_DATA < 1)
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#undef BOOT_COM_TX_MAX_DATA
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#define BOOT_COM_TX_MAX_DATA   (8)
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#endif
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#if (BOOT_COM_TX_MAX_DATA > 256)
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#error  "COM.H, BOOT_COM_TX_MAX_DATA cannot be larger than 256."
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#endif
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#if (BOOT_COM_RX_MAX_DATA < 1)
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#undef BOOT_COM_RX_MAX_DATA
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#define BOOT_COM_RX_MAX_DATA   (8)
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#endif
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#if (BOOT_COM_RX_MAX_DATA > 65536)
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#error  "COM.H, BOOT_COM_RX_MAX_DATA cannot be larger than 65536."
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#endif
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/****************************************************************************************
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* Type definitions
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****************************************************************************************/
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/** \brief Enumeration for the different gateway interfaces. */
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typedef enum
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{
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  GATE_IF_UART,                                   /**< UART interface                   */
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  GATE_IF_CAN,                                    /**< CAN interface                    */
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  GATE_IF_USB,                                    /**< USB interface                    */
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  GATE_IF_NET,                                    /**< NET interface                    */
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  GATE_IF_OTHER                                   /**< Other interface                  */
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} tGateInterfaceId;
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/****************************************************************************************
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* Function prototypes
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****************************************************************************************/
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void            GateInit(void);
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void            GateTask(void);
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void            GateFree(void);
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blt_int16u      GateGetActiveInterfaceMaxRxLen(void);
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blt_int16u      GateGetActiveInterfaceMaxTxLen(void);
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void            GateTransmitPacket(blt_int8u *data, blt_int16u len);
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#if (BOOT_GATE_CAN_ENABLE > 0)
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void            GateTransmitPacketDirect(blt_int8u *data, blt_int8u len, blt_int8u deviceID);
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#endif
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blt_bool        GateIsConnected(void);
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#if (BOOT_DEBUGGING_UART2_ENABLE > 0)
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void            BuildData(blt_int8u *debugData, blt_int8u *data, blt_int8u len);
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#endif
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#if (BOOT_DEBUGGING_UART2_ENABLE > 0)
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blt_int8u debugDataRCan[8];
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blt_int8u debugDataTCan[8];
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#endif
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#endif /* BOOT_GATE_ENABLE > 0 */
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#endif /* GATE_H */
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/*********************************** end of gateway.h **************************************/