ahoneybun/qmk_firmware
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Add to the existing CDC Class Driver's CreateStream() function documentation to explicitly state that the created streams are bidirectional.

Browse source
This commit is contained in:
Dean Camera 2009-11-29 05:19:41 +00:00
parent 958d28d05d
commit 414b92e812
4 changed files with 7 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

3
LUFA/Drivers/USB/Class/Device/CDC.h
View file

@ -212,7 +212,8 @@
void CDC_Device_SendControlLineStateChange(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Creates a standard characer stream for the given CDC Device instance so that it can be used with all the regular
* functions in the avr-libc <stdio.h> library that accept a FILE stream as a destination (e.g. fprintf).
* functions in the avr-libc <stdio.h> library that accept a FILE stream as a destination (e.g. fprintf). The created
* stream is bidirectional and can be used for both input and output functions.
*
* Reading data from this stream is non-blocking, i.e. in most instances, complete strings cannot be read in by a single
* fetch, as the endpoint will not be ready at some point in the transmission, aborting the transfer. However, this may