Richard Sewell / Mbed 2 deprecated ucam

This is the code we showed at Uncraftivism

Dependencies:   mbed

Frame.h@2:01115080f6da, 2009-12-14 (annotated)

Committer:
jarkman
Date:
Mon Dec 14 08:28:21 2009 +0000
Revision:
2:01115080f6da
Parent:
0:57f4fdadc97f 

        

        
Who changed what in which revision?

        

            
                
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// We're on an LPC2368:





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// http://www.standardics.nxp.com/support/documents/microcontrollers/pdf/user.manual.lpc23xx.pdf





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// so we have 32k of RAM available





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// The faster MBEDs use the 1768, with 64k of RAM





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// Assume we will work at 80x60, 1 byte per pixel, hence 5k/frame





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// This class keeps an array of reusable frames - 





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//   Get one with a call of Frame::allocFrame, 





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//   Give it back with Frame::releaseFrame





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#define MAX_FRAMES 10





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class Frame





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{





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private:





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	Frame();





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	~Frame();





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	void init( uint8_t pixelFormat, uint16_t width, uint16_t height, uint32_t frameSize );





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public:





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	uint16_t getPixel( uint32_t p );





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	void setPixel( uint32_t p, uint16_t  );





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	void writeToFile( char *filename );





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	static void readFromFile( char *filename, Frame **frame );





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	// Use these methods to manage a pool of frames to avoid fragmentation





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	static void initFrames();





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	static void allocFrame( Frame **frame, uint8_t pixelFormat, uint16_t width, uint16_t height, uint16_t frameSize );





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	static void releaseFrame( Frame **frame );





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	static void cloneFrame( Frame **clone, Frame* original );





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private:





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	static Frame* m_frames[MAX_FRAMES];





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public:





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	uint8_t *m_pixels;





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	uint16_t m_width;





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	uint16_t m_height;





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	uint8_t m_pixelFormat;





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	uint32_t m_frameSize;





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	uint8_t m_bitsPerPixel;





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	uint32_t m_numPixels;





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	bool m_deleted;





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	bool m_bad;





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};