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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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This commit is contained in:
Gregory Nutt 2013-05-29 12:30:37 -06:00
parent 245cd9366d
commit 6db3a75c55
2 changed files with 4 additions and 4 deletions
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4
configs/stm32f3discovery/README.txt
View File

@ -892,7 +892,7 @@ Where <subdir> is one of the following:
the standard CDC/ACM serial device by changing:
Drivers->USB Device Driver Support
CONFIG_CDCACM=y : Disable the CDC/ACM serial device class
CONFIG_CDCACM_CONSOLE=y : The CDC/ACM serial device is NOT the console
CONFIG_CDCACM=n : Disable the CDC/ACM serial device class
CONFIG_CDCACM_CONSOLE=n : The CDC/ACM serial device is NOT the console
CONFIG_PL2303=y : The Prolifics PL2303 emulation is enabled
CONFIG_PL2303_CONSOLE=y : The PL2303 serial device is the console

4
configs/stm32f4discovery/README.txt
View File

@ -1676,8 +1676,8 @@ Where <subdir> is one of the following:
You could also use the non-standard PL2303 serial device instead of
the standard CDC/ACM serial device by changing:
CONFIG_CDCACM=y : Disable the CDC/ACM serial device class
CONFIG_CDCACM_CONSOLE=y : The CDC/ACM serial device is NOT the console
CONFIG_CDCACM=n : Disable the CDC/ACM serial device class
CONFIG_CDCACM_CONSOLE=n : The CDC/ACM serial device is NOT the console
CONFIG_PL2303=y : The Prolifics PL2303 emulation is enabled
CONFIG_PL2303_CONSOLE=y : The PL2303 serial device is the console