w5100 is a chip with built-in network protocol. I will not go into details. I will just talk about the interrupt mode application. This application uses the TCP/IP network protocol, and the microcontr...
The principle of saving Internet fees by this software: (only applicable to the case of time-based charging) For example, if two people A and B share a router, it is inconvenient for A to disconnect f...
There is no empty statement in the standard C language. But in the C language programming of single-chip microcomputer, it is often necessary to use several empty instructions to produce a short delay...
I was originally working on updating the program online through the serial port using the bootloader. The serial port in the boot program was initialized with smclk115200 baud rate, and the serial por...