77 lines
1.7 KiB
C
77 lines
1.7 KiB
C
/**********************************************************************
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Project: Automatic cat feeder
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Date: march 19 2006
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Author: Jean-Fran<61>ois Martel
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Target: PIC 18F252
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Compiler: Microchip mcc18
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Filename: Protocol.h
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File description: Communication protocol implementation.
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jean-francois.martel@polymtl.ca
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**********************************************************************/
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#ifndef BOOTLOADERINTERFACE_H
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#define BOOTLOADERINTERFACE_H
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//Protocol buffer specific definitions
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#define MASTER_ADDRESS 0x01
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#define MY_DEVICE_ADDRESS 0x01
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#define ADDRESS 0x01
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//State Machine states
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enum States
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{
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Initialization,
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RxHeader,
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RxAdd,
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RxID,
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RxMyID,
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RxMyAddress,
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RxFlags,
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RxCMD,
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RxSize1,
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RxSize2,
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RxSize3,
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RxSize4,
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RxData,
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RxCRC
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};
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//enum DEVICES_IDS
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//{
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// ID_MASTER, //Master Controller
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// ID_CONSOLE, //LCD Console
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// ID_PC, //PC
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// ID_AV_MUX, //Audio Video Multiplexer
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// ID_IR_REMOTE,
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// ID_DEADBOLT
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//};
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//enum MESSAGE_IDS
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//{
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// TX_NETWORK_ACK = 1,
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// RX_GET_STATUS,
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// TX_DEADBOLT_STATUS,
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//
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// MAX_NETWORK_CMD
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//};
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//State machine states definition
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void ProtocolInit(void);
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void StateMachine(unsigned char STATE);
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void ProtocolAnalyzeNewData(unsigned char RxByte);
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void ResetStateMachine(void);
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void ProtocolExecCmd(void);
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void ProtocolAcknowledge(unsigned char Answer,unsigned char Cmd, unsigned char Data);
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unsigned char* ProtocolGetFrame(unsigned char DestDevice,unsigned char DestAddress, unsigned char SenderDevice, unsigned char Cmd, unsigned char *Data,unsigned int Size,unsigned char Flags, int *FrameSize);
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unsigned char ProtocolCalcCrc(unsigned char* Buffer,unsigned char size);
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unsigned char ProtocolIsReceiving(void);
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unsigned char *ProtocolMsgDataPtr();
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#endif |