rgb565 image data transform to OLED data

来源：互联网发布：淘宝超级店长好用吗编辑：程序博客网时间：2024/05/26 02:55

{

//input : uint32 *image_addr

        uint16 row,col,image_data_temp;
        uint16 *image_addr_temp=NULL;
        static uint16 dst_image[4][96] = {0x00};

//one pixel is 16bit

image_addr_temp = (uint16 *)image_addr;

//clear dst_image buffers

        for(row=0;row<32;row++)
        {
            for(col=0;col<96;col++)
            {
                dst_image[row/8][col] = 0x00;
            }
        }

//fill dst_image buffers

        for(col=0;col<96;col++)
        {
            for(row=0;row<32;row++)
            {
                image_addr_temp = (uint16 *)image_addr;

                image_data_temp = *(image_addr_temp+96*row+col);
                if((((image_data_temp&0xf800)>>11) + /
                    ((image_data_temp&0x07e0)>>5) + /
                    (image_data_temp&0x001f))/3 > 20)//transform rgb565 to black-white image
                {
                    dst_image[row/8][col] |= 1<<(row%8);
                }
                else
                {
                    dst_image[row/8][col] |= 0<<(row%8);
                }
            }
        }

//then the dst_image buffer is the OLED data that it needed

image_addr = (uint32 *)&dst_image[0][0];

}

OLED data example as following:

(Start Column)--> (End Col)

--------------------------------|-------------------------------------------------------------|-----

| | | | | | |0| | <- LSB D0 | | | | | | | |

| | | | | | |1| | | | | | | | | |

PAGE(n) | | | | | | |1| | | | | | | | | |

(Start page) | | | | | | |0| | | | | | | | | |

| | | | | | |0| | .................... | | | | | | | |

| | | | | | |1| | | | | | | | | |

| | | | | | |0| | | | | | | | | |

| | | | | | |1| | <- MSB D7 | | | | | | | |

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