STC单片机读取FPGA筒形寄存器并通过RS232发送到上位机源程序，绝对可用，您可以适当修改满足您的使用，使用Keil c51编写。-STC Single-chip FPGA Barrel register to read through the RS232 sent to the host computer source code is absolutely available, you can modify to meet your proper use, the use of the p