Shinichiro Nakamura / CameraC328

CameraC328

Dependents:   CameraC328_TestProgram CameraC328_Thresholding Camera_TestProgram_2015 Camera_TestProgram_2015 ... more

CameraC328.h@10:b04f3444b794, 2010-08-30 (annotated)

Committer:
shintamainjp
Date:
Mon Aug 30 13:45:20 2010 +0000
Revision:
10:b04f3444b794
Parent:
9:217ce5bd94c5
Child:
12:4daa8c068bc5

        

        
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/**





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 * C328-7640 device driver class (Version 0.0.3)





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 * Reference documents: C328-7640 User Manual v3.0 2004.8.19





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 *





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 * Copyright (C) 2010 Shinichiro Nakamura (CuBeatSystems)





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 * http://shinta.main.jp/





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 */





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#include "mbed.h"





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#ifndef _CAMERA_C328_H_





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#define _CAMERA_C328_H_





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/*





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 * Class: CameraC328





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 *





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 * C328-7640





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 *





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 * Example:





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 * > #include "mbed.h"





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 * > #include "CameraC328.h"





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 */





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class CameraC328 {





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public:





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    enum ColorType {





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        GrayScale2bit = 0x01,   // 2bit for Y only





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        GrayScale4bit = 0x02,   // 4bit for Y only





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        GrayScale8bit = 0x03,   // 8bit for Y only





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        Color12bit = 0x05,      // 444 (RGB)





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        Color16bit = 0x06,      // 565 (RGB)





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        Jpeg = 0x07





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    };





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    enum RawResolution {





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        RawResolution80x60 = 0x01,





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        RawResolution160x120 = 0x03





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    };





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    enum JpegResolution {





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        JpegResolution80x64 = 0x01,





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        JpegResolution160x128 = 0x03,





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        JpegResolution320x240 = 0x05,





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        JpegResolution640x480 = 0x07





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    };





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    enum ErrorNumber {





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        NoError = 0x00,





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        PictureTypeError = 0x01,





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        PictureUpScale = 0x02,





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        PictureScaleError = 0x03,





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        UnexpectedReply = 0x04,





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        SendPictureTimeout = 0x05,





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        UnexpectedCommand = 0x06,





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        SramJpegTypeError = 0x07,





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        SramJpegSizeError = 0x08,





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        PictureFormatError = 0x09,





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        PictureSizeError = 0x0a,





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        ParameterError = 0x0b,





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        SendRegisterTimeout = 0x0c,





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        CommandIdError = 0x0d,





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        PictureNotReady = 0x0f,





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        TransferPackageNumberError = 0x10,





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        SetTransferPackageSizeWrong = 0x11,





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        CommandHeaderError = 0xf0,





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        CommandLengthError = 0xf1,





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        SendPictureError = 0xf5,





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        SendCommandError = 0xff





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    };





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    enum PictureType {





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        SnapshotPicture = 0x01,





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        PreviewPicture = 0x02,





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        JpegPreviewPicture = 0x05





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    };





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    enum SnapshotType {





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        CompressedPicture = 0x00,





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        UncompressedPicture = 0x01





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    };





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    enum Baud {





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        Baud7200 = 7200,





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        Baud9600 = 9600,





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        Baud14400 = 14400,





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        Baud19200 = 19200,  // Default.





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        Baud28800 = 28800,





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        Baud38400 = 38400,





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        Baud57600 = 57600,





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        Baud115200 = 115200





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    };





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    enum ResetType {





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        ResetWholeSystem = 0x00,





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        ResetStateMachines = 0x01





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    };





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    enum DataType {





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        DataTypeSnapshotPicture = 0x01,





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        DataTypePreviewPicture = 0x02,





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        DataTypeJpegPreviewPicture = 0x05





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    };





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    /* Constructor: CameraC328





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     * Create a CameraC328 object, connected to the specified pins





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     *





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     * Variables:





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     *  tx -  Used to specify data or command





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     *  rx - Used to determine read or write





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     *  e - enable





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     *  d0..d3 - The data lines





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     *  tx - TX of UART.





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     *  rx - RX of UART.





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     *  baud - Baudrate of UART. (Default is Baud19200)





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     */





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    CameraC328(PinName tx, PinName rx, Baud baud = Baud19200);





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    ~CameraC328();





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    ErrorNumber sync();





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    ErrorNumber init(ColorType ct, RawResolution rr, JpegResolution jr);





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    ErrorNumber getUncompressedSnapshotPicture(void(*func)(size_t done, size_t total, char c));





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    ErrorNumber getUncompressedPreviewPicture(void(*func)(size_t done, size_t total, char c));





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    ErrorNumber getJpegSnapshotPicture(void(*func)(char *buf, size_t siz));





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    ErrorNumber getJpegPreviewPicture(void(*func)(char *buf, size_t siz));





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private:





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    Serial serial;





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    static const int COMMAND_LENGTH = 6;





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    static const int SYNCMAX = 60;





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    static const int packageSize = 512;





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    ErrorNumber sendInitial(ColorType ct, RawResolution rr, JpegResolution jr);





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    ErrorNumber sendGetPicture(PictureType pt);





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    ErrorNumber sendSnapshot(SnapshotType st, uint16_t skipFrames);





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    ErrorNumber sendSetPackageSize(uint16_t packageSize);





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    ErrorNumber sendSetBaudrate(Baud baud);





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    ErrorNumber sendReset(ResetType rt, bool specialReset);





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    ErrorNumber sendPowerOff();





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    ErrorNumber recvData(DataType *dt, uint32_t *length);





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    ErrorNumber sendSync();





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    ErrorNumber recvSync();





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    ErrorNumber sendAck(uint8_t commandId, uint16_t packageId);





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    ErrorNumber recvAckOrNck();





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    bool sendBytes(char *buf, size_t len, int timeout_us = 20000);





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    bool recvBytes(char *buf, size_t len, int timeout_us = 20000);





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    bool waitRecv();





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};





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#endif