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69 lines
1.9 KiB
C
Executable File
69 lines
1.9 KiB
C
Executable File
/*! \file edp.h \brief Emerald Data Protocol System. */
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//*****************************************************************************
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//
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// File Name : 'edp.h'
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// Title : Emerald Data Protocol System
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// Author : Pascal Stang - Copyright (C) 2003
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// Created : 2003.07.01
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// Revised : 2003.07.21
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// Version : 0.1
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// Target MCU : Atmel AVR series
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// Editor Tabs : 4
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//
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// This code is distributed under the GNU Public License
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// which can be found at http://www.gnu.org/licenses/gpl.txt
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//
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//*****************************************************************************
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#ifndef EDP_H
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#define EDP_H
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#include "edpdefs.h"
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// defines
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//#define EDP_DEBUG
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// edp reply buffer size
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#ifndef EDP_REPLY_BUFFER_SIZE
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#define EDP_REPLY_BUFFER_SIZE 128
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#endif
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// edpSendCommand return values
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#define EDP_COMMAND_OK 0
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#define EDP_COMMAND_NODEV 1
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// edpGetCommandReply return values
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#define EDP_REPLY_OK 0
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#define EDP_REPLY_BADCHKSUM 1
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// structs and typedefs
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typedef struct
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{
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u08 SrcAddr;
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u08 Command;
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u08 Data[];
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} EdpCommand;
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typedef struct
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{
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u08 Length;
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u08 Data[];
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} EdpReply;
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// typedefs
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typedef u08 (*EdpSlaveHandlerFuncType)(u08 edpCmdLength, EdpCommand* edpCmd,
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u08 edpReplyLengthMax, EdpReply* edpReply);
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// functions
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void edpInit(void);
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void edpSetSlaveHandler(EdpSlaveHandlerFuncType edpSlaveHandlerFunction);
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// ************ EDP Master operations ************
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u08 edpSendCommand(u08 deviceAddr, u08 cmdLength, EdpCommand* edpCommand);
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u08 edpGetCommandReply(u08* responseCode, EdpReply** edpReply);
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//u08 edpSendCommand(u08 deviceAddr, u08 sendLength, u08* sendData);
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//u08 edpGetCommandReply(u08* responseCode, u08* replyLength, u08** replyData);
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// ************ EDP Slave operations ************
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void edpSlaveReceiveService(u08 receiveDataLength, u08* receiveData);
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u08 edpSlaveTransmitService(u08 transmitDataLengthMax, u08* transmitData);
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#endif
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