X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/5561524a8fe7baaeaac3421c9e1d3347186fdf95..e406140f119281a945c281d25e9a1041b862d592:/LUFA/Drivers/USB/Class/Device/CDCClassDevice.h diff --git a/LUFA/Drivers/USB/Class/Device/CDCClassDevice.h b/LUFA/Drivers/USB/Class/Device/CDCClassDevice.h index 998b0a738..cc0dd1b15 100644 --- a/LUFA/Drivers/USB/Class/Device/CDCClassDevice.h +++ b/LUFA/Drivers/USB/Class/Device/CDCClassDevice.h @@ -53,16 +53,17 @@ * * One major issue with CDC-ACM is that it requires two Interface descriptors, * which will upset most hosts when part of a multi-function "Composite" USB - * device, as each interface will be loaded into a separate driver instance. To - * combat this, you should use the "Interface Association Descriptor" addendum to - * the USB standard which is available on most OSes when creating Composite devices. + * device. This is because each interface will be loaded into a separate driver + * instance, causing the two interfaces be become unlinked. To prevent this, you + * should use the "Interface Association Descriptor" addendum to the USB 2.0 standard + * which is available on most OSes when creating Composite devices. * * Another major oversight is that there is no mechanism for the host to notify the * device that there is a data sink on the host side ready to accept data. This * means that the device may try to send data while the host isn't listening, causing - * lengthy blocking timeouts in the transmission routines. To combat this, it is - * recommended that the virtual serial line DTR (Data Terminal Ready) be used where - * possible to determine if a host application is ready for data. + * lengthy blocking timeouts in the transmission routines. It is thus highly recommended + * that the virtual serial line DTR (Data Terminal Ready) signal be used where possible + * to determine if a host application is ready for data. * * @{ */ @@ -299,7 +300,7 @@ * be used when the read data is processed byte-per-bye (via \c getc()) or when the user application will implement its own * line buffering. * - * \note The created stream can be given as stdout if desired to direct the standard output from all functions + * \note The created stream can be given as \c stdout if desired to direct the standard output from all functions * to the given CDC interface. * \n\n *