array size
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JPEGCamera.h
- Committer:
- yamaguch
- Date:
- 2011-11-15
- Revision:
- 0:974923b4db2d
- Child:
- 1:27417b6a951d
File content as of revision 0:974923b4db2d:
/* Arduino JPEGCamera Library * Copyright 2010 SparkFun Electronics * Written by Ryan Owens * Modified by arms22 * Ported to mbed by yamaguch */ #ifndef JPEG_CAMERA_H #define JPEG_CAMERA_H #include "mbed.h" ** * Interface for LinkSprite JPEG Camera module LS-Y201 */ class JPEGCamera : public Serial { public: /***/ enum PictureSize { SIZE160x120 = 0x22, SIZE320x240 = 0x11, SIZE640x480 = 0x00, }; /** * Create JPEG Camera * * @param tx tx pin * @param rx rx pin */ JPEGCamera(PinName tx, PinName rx); /** * Set picture size * * @param size picture size (available sizes are SIZE160x120, SIZE320x240, SIZE640x480) * @param doReset flag to perform reset operation after changing size * * @returns true if succeeded, false otherwise */ bool setPictureSize(JPEGCamera::PictureSize size, bool doReset = true); /** * Return whether camera is ready or not * * @returns true if ready, false otherwise */ bool isReady(); /** * Return whether camera is processing the taken picture or not * * @returns true if the camera is in processing, false otherwise */ bool isProcessing(); /** * Take a picture * * @param filename filename to store the picture data * @returns true if succeeded, false otherwise */ bool takePicture(char *filename); /** * Process picture (writing the file) * * @returns true if no error in processing, false otherwise */ bool processPicture(); /** * Perform reset oepration (it takes 4 seconds) * * @returns true if succeeded, false otherwise */ bool reset(); /** * Send a picture command to the camera module * * @returns true if succeeded, false otherwise */ bool takePicture(void); /** * Send a stop pictures command to the camera module * * @returns true if succeeded, false otherwise */ bool stopPictures(void); /** * Get the picture image size * * @returns the actual image size in bytes */ int getImageSize(); /** * Read the picture data to the buffer * * @param dataBuf data buffer address to store the received data * @param size data size to read * @param address the address of the picture data to read * * @returns the size of the data read */ int readData(char *dataBuf, int size, int address); //private: Timer timer; FILE *fp; int imageSize; int address; enum State {UNKNOWN, READY, PROCESSING, ERROR = -1} state; int sendReceive(char *buf, int sendSize, int receiveSize); int receive(char *buf, int size, int timeout); }; #endif