File content as of revision 2:6a72fcad5c0a:

#include "mbed.h"

class CameraC328 {
public:

    CameraC328(PinName tx, PinName rx);

    ~CameraC328();

    enum ColorType {
        GrayScale2bit = 0x01,   // 2bit for Y only
        GrayScale4bit = 0x02,   // 4bit for Y only
        GrayScale8bit = 0x03,   // 8bit for Y only
        Color12bit = 0x05,      // 444 (RGB)
        Color16bit = 0x06,      // 565 (RGB)
        Jpeg = 0x07
    };

    enum RawResolution {
        RawResolution80x60 = 0x01,
        RawResolution160x120 = 0x03
    };

    enum JpegResolution {
        JpegResolution80x64 = 0x01,
        JpegResolution160x128 = 0x03,
        JpegResolution320x240 = 0x05,
        JpegResolution640x480 = 0x07
    };

    enum ErrorNumber {
        NoError = 0x00,
        PictureTypeError = 0x01,
        PictureUpScale = 0x02,
        PictureScaleError = 0x03,
        UnexpectedReply = 0x04,
        SendPictureTimeout = 0x05,
        UnexpectedCommand = 0x06,
        SramJpegTypeError = 0x07,
        SramJpegSizeError = 0x08,
        PictureFormatError = 0x09,
        PictureSizeError = 0x0a,
        ParameterError = 0x0b,
        SendRegisterTimeout = 0x0c,
        CommandIdError = 0x0d,
        PictureNotReady = 0x0f,
        TransferPackageNumberError = 0x10,
        SetTransferPackageSizeWrong = 0x11,
        CommandHeaderError = 0xf0,
        CommandLengthError = 0xf1,
        SendPictureError = 0xf5,
        SendCommandError = 0xff
    };
    
    enum SnapshotType {
        CompressedPicture = 0x00,
        UncompressedPicture = 0x01
    };

    enum PictureType {
        SnapshotPicture = 0x01,
        PreviewPicture = 0x02,
        JpegPreviewPicture = 0x05
    };

    ErrorNumber sync();
    ErrorNumber init(ColorType ct, RawResolution rr, JpegResolution jr);
    ErrorNumber getJpegSnapshotPicture(void(*func)(size_t done, size_t total, char c));

private:
    Serial serial;
    bool syncdone;
    static const int COMMAND_LENGTH = 6;
    static const int TIMEOUT_US = 1200;
    static const int BAUD = 57600;
    static const int SYNCMAX = 60;

    /**
     * Send bytes to camera module.
     *
     * @param buf Pointer to the data buffer.
     * @param len Length of the data buffer.
     *
     * @return True if the data sended.
     */
    bool sendBytes(char *buf, size_t len);

    /**
     * Receive bytes from camera module.
     *
     * @param buf Pointer to the data buffer.
     * @param len Length of the data buffer.
     *
     * @return True if the data received.
     */
    bool recvBytes(char *buf, size_t len);

    /**
     * Send bytes to camera module.
     *
     * @param buf Pointer to the data buffer.
     * @param len Length of the data buffer.
     *
     * @return True if the data sended.
     */
    bool sendBytesWithDebugOutput(char *buf, size_t len);

    /**
     * Receive bytes from camera module.
     *
     * @param buf Pointer to the data buffer.
     * @param len Length of the data buffer.
     *
     * @return True if the data received.
     */
    bool recvBytesWithDebugOutput(char *buf, size_t len);
};