Introduction - If you have any usage issues, please Google them yourself
The experiment will achieve the following functions: boot, initialization module camera (OV7670), if the initialization is successful, a camera module to capture the contents of the LCD module above to achieve the camera driver. Through the serial port, we can view the current frame rate (frame rate here refers to the LCD display, not the OV7670 output frame rate), while the OV7670 can use USMART set of registers, to facilitate debugging. DS0 instructs the program running.