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About printf

If i have two serial port in the controller(interfaced 16c550) how to access both using printf library

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  • I know how to build a 16-led "4-dimensional" hypercube (i.e. 2x2x2x2 LED) folded into two 3-dimensional cubes inside each other, but I don't want to even think about a 4x4x4x4 hypercube with 256 LED. The folding part is slightly outside my geometric thinking capabilities, and if the fourth dimension isn't folded into our three dimensions but temporal, I would have problems sending the control signal forward or backward in time.

    My next problem is that a 4x4 side is too little for projecting text, so I can't use it as output device for the printf() function.

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  • I know how to build a 16-led "4-dimensional" hypercube (i.e. 2x2x2x2 LED) folded into two 3-dimensional cubes inside each other, but I don't want to even think about a 4x4x4x4 hypercube with 256 LED. The folding part is slightly outside my geometric thinking capabilities, and if the fourth dimension isn't folded into our three dimensions but temporal, I would have problems sending the control signal forward or backward in time.

    My next problem is that a 4x4 side is too little for projecting text, so I can't use it as output device for the printf() function.

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