Optimize request buffer sizes in the serial USB drivers so that we avoid so...
Optimize request buffer sizes in the serial USB drivers so that we avoid so many NULL packets and so that the OUT request buffer size is exactly the max packet size.
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- configs/stm32f3discovery/README.txt 2 additions, 2 deletionsconfigs/stm32f3discovery/README.txt
- configs/stm32f4discovery/README.txt 2 additions, 2 deletionsconfigs/stm32f4discovery/README.txt
- drivers/usbdev/Kconfig 34 additions, 14 deletionsdrivers/usbdev/Kconfig
- drivers/usbdev/cdcacm.c 2 additions, 19 deletionsdrivers/usbdev/cdcacm.c
- drivers/usbdev/pl2303.c 13 additions, 20 deletionsdrivers/usbdev/pl2303.c
- include/nuttx/usb/cdcacm.h 11 additions, 0 deletionsinclude/nuttx/usb/cdcacm.h
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