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MSP430F5529: Msp430F5529 USB exp board software of demo_code clock question

Part Number: MSP430F5529

usb_board_link:https://www.ti.com/lit/ug/slau330b/slau330b.pdf

Hello , Dear TI sir.

When I touch the msp430 series for long time.

I have research the demo_code of msp430F5529 usb exp board.

This board used Dog102x6 display support the image and text on msp430f5529 for demo_code .

But I have watch the demo source code.

I know the dog_lcd has the image software to show the 102x6 px(png,or bmp file).

but I watch the demo code of the clock.

The pic1 look like used the png file to create.

but the pic2 look like used formula to creat clock to show the dynamic pic of clock runner

first I think it use large picture to build table for show how the clock run.

but when I watch the code ,I think I am wrong.

                  Pic1:

                    Pic2:

My question:

1.The dynamic runner of clock is not create by imgdog software(png or other file), It is  build by formula

2.if it is not,where can I find the all picture of demo_code pic? It only has the byte file for converter, I can't know where picture is it used to build.

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