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Add support for the USB trace cability in NSH when a USB console is used

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4774 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2012-05-26 18:05:26 +00:00
parent 4f6cedf4c8
commit 9e32675584
2 changed files with 24 additions and 8 deletions
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14
configs/stm32f4discovery/README.txt
View File

@ -1018,7 +1018,7 @@ Where <subdir> is one of the following:
However, that configuration does not work. It fails early probably because
of some dependency on /dev/console before the USB connection is established.
But there is a work around for this that does work fine (but has some side
But there is a work around for this that works better (but has some side
effects). The following configuration will also create a NSH USB console
but this version will will use /dev/console. Instead, it will use the
normal /dev/ttyACM0 USB serial device for the console:
@ -1033,16 +1033,20 @@ Where <subdir> is one of the following:
CONFIG_NSH_USBCONDEV="/dev/ttyACM0"
NOTE 1: When you first start the USB console, you have hit ENTER a few
times before NSH starts. The logic does this to prevent sending USB data
before there is anything on the host side listening for USB serial input.
Now the side effects:
NOTE 1. When any other device other than /dev/console is used for a user
NOTE 2. When any other device other than /dev/console is used for a user
interface, linefeeds (\n) will not be expanded to carriage return /
linefeeds (\r\n). You will need to set your terminal program to account
for this.
NOTE 2: /dev/console still exists and still refers to the serial port. So
NOTE 3: /dev/console still exists and still refers to the serial port. So
you can still use certain kinds of debug output (see include/debug.h, all
of the interfaces based on lib_lowprintf will work in this configraration).
of the interfaces based on lib_lowprintf will work in this configuration).
nxlines:
------

18
configs/stm32f4discovery/nsh/defconfig
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@ -1222,8 +1222,16 @@ CONFIG_EXAMPLES_OSTEST_NBARRIER_THREADS=3
# readable/write-able USB driver such as: CONFIG_NSH_USBCONDEV="/dev/ttyACM0".
# CONFIG_NSH_UBSDEV_MINOR - The minor device number of the USB device.
# Default: 0
# CONFIG_NSH_UBSDEV_TRACEINIT - Bit set with each bit enabling a trace option
# (see include/nuttx/usb/usbdev_trace.h). Default: Only USB errors are traced.
# CONFIG_NSH_USBDEV_TRACEINIT - Is using a USB console and CONFIG_USB_TRACE
# is defined, this will show initialization events
# CONFIG_NSH_USBDEV_TRACECLASS - Is using a USB console and CONFIG_USB_TRACE
# is defined, this will show class driver events
# CONFIG_NSH_USBDEV_TRACETRANSFERS - Is using a USB console and CONFIG_USB_TRACE
# is defined, this will show data transfer events
# CONFIG_NSH_USBDEV_TRACECONTROLLER - Is using a USB console and CONFIG_USB_TRACE
# is defined, this will show controller events
# CONFIG_NSH_USBDEV_TRACEINTERRUPTS - Is using a USB console and CONFIG_USB_TRACE
# is defined, this will show interrupt-related events.
# CONFIG_NSH_CONDEV - If CONFIG_NSH_CONSOLE is set to 'y', then CONFIG_NSH_CONDEV
# may also be set to select the serial device used to support the NSH console.
# This should be set to the quoted name of a readable/write-able character
@ -1265,7 +1273,11 @@ CONFIG_NSH_TELNET=n
CONFIG_NSH_USBCONSOLE=n
CONFIG_NSH_USBCONDEV="/dev/ttyACM0"
CONFIG_NSH_UBSDEV_MINOR=0
#CONFIG_NSH_UBSDEV_TRACEINIT
CONFIG_NSH_USBDEV_TRACEINIT=n
CONFIG_NSH_USBDEV_TRACECLASS=n
CONFIG_NSH_USBDEV_TRACETRANSFERS=n
CONFIG_NSH_USBDEV_TRACECONTROLLER=n
CONFIG_NSH_USBDEV_TRACEINTERRUPTS=n
#CONFIG_NSH_CONDEV
CONFIG_NSH_ARCHINIT=n
CONFIG_NSH_IOBUFFER_SIZE=512