有关 acm的代码在文件: android.c/ f_acm.c and u_serial.c中。 有关的数据结构主要包括:tty_struct/ gs_port and gserial. 三者之间的关系及建立: /* *gserial is the lifecycle interface, used by USB functions *gs_port is the I/O
Linux USB gadget configured through configfs Overview USB Linux 小工具是一种具有 UDC(USB 设备控制器)的设备,可连接到 USB 主机,以扩展其附加功能,如串行端口或大容量存储功能。 A USB Linux Gadget is a device which has a UDC (USB Device Con
February, 2012. Embedded Linux Conference 2012. Agenda Introduction to USB USB Gadget API Existing Gadgets Design your own Gadget Demo Conclusio About the Author Software engine