diff options
Diffstat (limited to 'LUFA/ManPages/AlternativeStacks.txt')
-rw-r--r-- | LUFA/ManPages/AlternativeStacks.txt | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/LUFA/ManPages/AlternativeStacks.txt b/LUFA/ManPages/AlternativeStacks.txt index c7fcfbfc6..28176ce48 100644 --- a/LUFA/ManPages/AlternativeStacks.txt +++ b/LUFA/ManPages/AlternativeStacks.txt @@ -10,6 +10,10 @@ * LUFA is not the only stack available for the USB AVRs, although it is perhaps the best (see \ref Page_WhyUseLUFA).
* In the interests of completeness and user choice, other known USB AVR stacks are listed here.
*
+ * \section Sec_HardwareStacks Hardware USB AVR Stacks
+ * These are the known alternative USB stacks which are designed for and run exclusively on the USB AVR series microcontrollers,
+ * which contain on-chip USB controller hardware for maximum features and speed.
+ *
* - <b>Name:</b> Atmel USB AVR Stack (<i>Atmel Inc.</i>) \n
* <b>Cost:</b> Free \n
* <b>License:</b> Atmel Limited License (see Atmel download for details) \n
@@ -33,5 +37,26 @@ * designed for the PJRC Teensy line of USB AVRs, and thus may need to be modified for other USB AVR
* chips. These minimal code samples shows the inner workings of the USB controller, without all the
* abstraction present in most other USB AVR stacks.
+ *
+ * \section Sec_SoftwareStacks Software AVR Stacks
+ * These are the known alternative USB stacks which can run on regular AVR models, lacking dedicated hardware USB controllers
+ * via a bit-banged (emulated) version of the USB protocol. They are limited in their capabilities due to the cycles required
+ * to be dedicated to managing the USB bus, but offer a cheap way to implement USB functionality into a design.
+ *
+ * - <b>Name:</b> AVR309: Software USB (<i>Objective Development</i>) \n
+ * <b>Cost:</b> Free for some uses, see website for licensing \n
+ * <b>License:</b> None Stated \n
+ * <b>Website:</b> http://www.atmel.com/dyn/Products/app_notes.asp?family_id=607 \n
+ * <b>Description:</b> Atmel's official software USB implementation, an Application Note containing work by Igor Cesko. This
+ * is a minimal assembly-only implementation of software USB, providing HID functionality. Less compile
+ * options than V-USB (see below).
+ *
+ * - <b>Name:</b> V-USB (<i>Objective Development</i>) \n
+ * <b>Cost:</b> Free for some uses, see website for licensing \n
+ * <b>License:</b> Dual GPL2/Custom \n
+ * <b>Website:</b> http://www.obdev.at/products/vusb/index.html \n
+ * <b>Description:</b> Well regarded and complete USB 1.1 software stack for several AVR models, implementing Low Speed HID.
+ * Used in many commercial and non-commercial designs, with user-submitted projects available for viewing
+ * on the company's website. Uses C language code mixed with assembly for time-critical sections.
*/
\ No newline at end of file |