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Extend CDC/ACM driver so that can be connected/disconnected under software control; Add new NSH commands sercon and serdis that will connect and disconnect the CDC/ACM serial device

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git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4436 7fd9a85b-ad96-42d3-883c-3090e2eb8679
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patacongo
2012-02-28 18:14:55 +00:00
parent 2ac7d84029
commit 56bcc7b105
16 changed files with 516 additions and 52 deletions
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apps/examples/README.txt
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@@ -110,6 +110,28 @@ examples/can
built-in, the default is 32. Otherwise messages are sent and received
indefinitely.
examples/cdcacm
^^^^^^^^^^^^^^^
This very simple example shows how a USB CDC/ACM serial can be dynamically
connected and disconnected from a host. This example can only be used as
an NSH built-int command. If built-in, then two new NSH commands will be
supported:
1. sercon - Connect the CDC/ACM serial device
2. serdis - Disconnect the CDC/ACM serial device
Configuration prequisites (not complete):
CONFIG_USBDEV=y : USB device support must be enabled
CONFIG_CDCACM=y : The CDC/ACM driver must be built
CONFIG_NSH_BUILTIN_APPS : NSH built-in application support must be enabled
Configuration options specific to this example:
CONFIG_EXAMPLES_CDCACM_DEVMINOR : The minor number of the CDC/ACM device.
: i.e., the 'x' in /dev/ttyACMx
examples/composite
^^^^^^^^^^^^^^^^^^