Serial translator

If CC is FF , the color temperature level is decremented by 1 but will not exceed level This is an advanced command and is not recommended for normal operation.

Subsequent level transitions may behave unexpectedly after issuing this command. The following are examples of typical command strings.

Note that multiple command strings can be concatenated together. It can serve as both a translator and an expander. As a translator, it interprets the commands from a 3rd party controller, enabling a master controller to manipulate the intensity and color temperature of Color Kinetics lights.

As an expander, it operates in two modes. Protocol The serial protocol is baud, 8 data bits, no parity, 1 stop bit. There is no flow control. The first character is always X. Characters are not echoed by iW Translator when they are received. When iW Translator receives a badly formed or illegal command, it replies by transmitting a? The first hexadecimal byte following the X represents the command type. The range of BB is 00 off to 06 full on. Free word lists and quizzes from Cambridge.

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The machine is a bit older, no longer supported and should be considered as given no possibility to access the control program. The problem: it came without the laser and so we had to buy a new one to make it work again.

Of course the new laser has a different command protocol than the original one I now have to realize some protocol translation between the machine and the laser:. There is a two-way communication i. Commands are typically three or four letter mnemonic codes followed by a parameter, if required. Using a terminal program like hterm I can pretend to be the laser or the machine and talk to the other side.

Here is a part of the hterm communication log received hex characters exported to text, commented with signification by me; with timestamps. The Arduino Mega now has to translate commands and answers to the protocol used by the other side.

I think, with these explanations you can more or less see, what I am trying to do. How would you organize the program divide in sub-tasks and what kind of basic program structure would be apropriate? My approach now is to divide into the parts a communication with machine, b communication with laser, c translation between the two protocols. I am stuck with mainly a and to some extent b : the machine seems to use some mixture of hex command byte and optional ascii strings.