基于STM32F106ZET6平台 液晶显示驱动为SSD1289，可以通过串口显示读到的卡号-STM32F106ZET6 platform based LCD driver for SSD1289, can be read via the serial display card

使用perl实现简单的串口通信；在串口上循环读写命令，可用于对串口通信的压力测试；-Using perl simple serial communication read and write commands on the serial loop, can be used for serial communication test pressure