使串口接受上位机发送的数据,当接受到8个连续数据后,将接收计数值加一后数出数码管显示,并将数据原封不动的发送会上位机。-PC serial transmission of data, receives eight consecutive information, or to receive a numerical increase after a few out of the digital display, and will send the data was intact aircraft.
用c语言实现了图形绕任意的点旋转,代码可以直接复制到tc里面运行-With the c language to implement graphics rotation around an arbitrary point, the code can be directly copied to the run inside tc