@9012,
It's honestly to hard to state.. When I read that, I didn't read any excitement and off course, texting or "typing" without emoticons can be deceiving..
I think you have to be assertive by nature to be able to pick up a telephone and ring him.. Given that you were always texting, that seems to be your comfort zone and I agree with CJ... don't sit at home waiting.
It seems that you like him and now you want to know if he likes you, yet you both were not close at all. Ask yourself, if it's more of the fact that "someone" of the opposite sex is texting you (messaging you) and the need for some form of affection is there on your behalf or if you really do like him.
There is nothing wrong with calling him if you have it within you.. But, I would word it right, like, so are you here yet? With a bit of laughter in your voice.
It could be that he read it as I did. "Nothing much, let me know when you are here sigh" .... As apposed to "Great, look forward to it which day are you arriving? "..