void rgb16tobgr15(const uint8_t *src, uint8_t *dst, unsigned int src_size)

{

	unsigned i;

	unsigned num_pixels = src_size >> 1;

	

	for(i=0; i<num_pixels; i++)

	{

	    unsigned b,g,r;

	    register uint16_t rgb;

	    rgb = src[2*i];

	    r = rgb&0x1F;

	    g = (rgb&0x7E0)>>5;

	    b = (rgb&0xF800)>>11;

	    dst[2*i] = (b&0x1F) | ((g&0x1F)<<5) | ((r&0x1F)<<10);

	}

}
