Introduction - If you have any usage issues, please Google them yourself
From the code I was using gcc in Linux or the following armv4l-unknown-linux-gcc compiler tools running. The main features of the code we teach how to write Makefile file. In addition, this code can also HyperTerminal under Windows to run on, the premise is to install the cross compiler tools (that is armv4l). The message can be a problem, I would be happy to help you answer.