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[RK3399][Android7.1]USB Notes (2)-The overall flow of the USB serial device driver (to sort out the relationship between the USB serial port related structures)
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2020-09-14 11:00:53
views: null
Article Directory
1. USB serial port module loading and unloading functions (driver entrance)
2. Detection and disconnection function
3. Driver realization of various operations of serial device
3.1、create_serial
3.2、destroy_serial
3.3、serial_open
3.4、serial_close
3.5、serial_write
3.6、usb_serial_generic_write
platform
Kernel version
Android version
RK3399
Linux4.4
Android7.1
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Origin
blog.csdn.net/qq_33487044/article/details/108026451
[RK3399][Android7.1]USB Notes (2)-The overall flow of the USB serial device driver (to sort out the relationship between the USB serial port related structures)
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[RK3399][Android7.1]USB Notes (4)-Timing diagram from tty_open to serial_open of the USB serial device driver framework
[RK3399][Android7.1]USB Notes (5)-Timing diagram from tty_write to serial_write function before USB serial device driver
[RK3399][Android7.1]USB Notes (6)-Timing diagram from tty_read to dwc_otg of the USB serial device driver framework
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