Introduction - If you have any usage issues, please Google them yourself
-Using gpio port to control the driver and testing program of serial port expansion chip.
Packet : 153756gpio口控制串口扩展程序.rar filelist
1.6
1.6\args.c
1.6\args.h
1.6\at_test.c
1.6\gpio.c
1.6\gpio.o
1.6\GroundControl.ui.h
1.6\Makefile
1.6\mx1hw.h
1.6\optty1.c
1.6\send_com.c
1.6\serfile.c
1.6\serial.c
1.6\serial.c.bak
1.6\serial.h
1.6\sp2339.c
1.6\sub_to_main.c
1.6\test.c
1.6\type.h
1.6\vardef.h