用STM32F103+W5100实现100MHz网卡通讯，通过外部中断计数实现风扇速度采集，用SPI实现主控单元与多个模块之间的通讯，该系统以实现产品化流程，性能高度可靠。供兴趣者交流参考。-With STM32F103+ W5100 achieve 100MHz LAN communication, and by external interrupt count to achieve fan speed acquisition, with the SPI communication betwe