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[pub/USBasp.git] / Projects / AVRISP-MKII / AVRISP-MKII.txt

diff --git a/Projects/AVRISP-MKII/AVRISP-MKII.txt b/Projects/AVRISP-MKII/AVRISP-MKII.txt
index a933f38..740a56c 100644 (file)
--- a/Projects/AVRISP-MKII/AVRISP-MKII.txt
+++ b/Projects/AVRISP-MKII/AVRISP-MKII.txt
@@ -6,16 +6,16 @@
 
 /** \mainpage AVRISP MKII Programmer Project
  *
 
 /** \mainpage AVRISP MKII Programmer Project
  *

- *  \section Sec_Compat Project Compatibility:
+ *  \section Sec_Compat Project Compatibility

  *
  *  The following list indicates what microcontrollers are compatible with this project.
  *
  *
  *  The following list indicates what microcontrollers are compatible with this project.
  *

- *  - Series 7 USB AVRs (AT90USBxxx7)
- *  - Series 6 USB AVRs (AT90USBxxx6)
- *  - Series 4 USB AVRs (ATMEGAxxU4)
- *  - Series 2 USB AVRs (AT90USBxx2, ATMEGAxxU2) - <i>8KB versions with reduced features only</i>
+ *  \li Series 7 USB AVRs (AT90USBxxx7)
+ *  \li Series 6 USB AVRs (AT90USBxxx6)
+ *  \li Series 4 USB AVRs (ATMEGAxxU4)
+ *  \li Series 2 USB AVRs (AT90USBxx2, ATMEGAxxU2) - <i>8KB versions with reduced features only</i>

  *
  *

- *  \section Sec_Info USB Information:
+ *  \section Sec_Info USB Information

  *
  *  The following table gives a rundown of the USB utilization of this project.
  *
  *
  *  The following table gives a rundown of the USB utilization of this project.
  *


@@ -37,42 +37,69 @@
  *   <td>Atmel AVRISP MKII Protocol Specification</td>
  *  </tr>
  *  <tr>
  *   <td>Atmel AVRISP MKII Protocol Specification</td>
  *  </tr>
  *  <tr>

- *   <td><b>Usable Speeds:</b></td>
+ *   <td><b>Supported USB Speeds:</b></td>

  *   <td>Full Speed Mode</td>
  *  </tr>
  * </table>
  *
  *   <td>Full Speed Mode</td>
  *  </tr>
  * </table>
  *

- *  \section Sec_Description Project Description:
+ *  \section Sec_Description Project Description

  *
  *

- *  Firmware for an Atmel Studio/AVRStudio compatible AVRISP-MKII clone programmer. This project will enable the USB
+ *  Firmware for an Atmel Studio compatible AVRISP-MKII clone programmer. This project will enable the USB

  *  AVR series of microcontrollers to act as a clone of the official Atmel AVRISP-MKII programmer, usable within
  *  AVR series of microcontrollers to act as a clone of the official Atmel AVRISP-MKII programmer, usable within

- *  Atmel Studio/AVRStudio or with any software capable of driving a real Atmel AVRISP-MKII programmer. In its most
- *  basic form, it allows for the programming of AVRs at the programmer's VCC voltage from within Atmel Studio/AVRStudio
- *  with no special hardware other than the USB AVR and the parts needed for the USB interface. If the user desires, more
- *  advanced circuits incorporating level conversion can be made to allow for the programming of 3.3V AVR designs.
+ *  Atmel Studio or with any software capable of driving a real Atmel AVRISP-MKII programmer. In its most
+ *  basic form, it allows for the programming of AVR TINY, MEGA and XMEGA devices at the programmer's VCC voltage from
+ *  within Atmel Studio with no special hardware other than the USB AVR and the parts needed for the USB
+ *  interface. If the user desires, more advanced circuits incorporating level conversion can be made to allow for the
+ *  programming of target AVRs running at a different voltage to the programmer.

  *
  *  This device spoofs Atmel's official AVRISP-MKII device PID so that it remains compatible with Atmel's AVRISP-MKII
  *
  *  This device spoofs Atmel's official AVRISP-MKII device PID so that it remains compatible with Atmel's AVRISP-MKII

- *  drivers. When prompted, direct your OS to install Atmel's AVRISP-MKII drivers provided with Atmel Studio/AVRStudio.
+ *  drivers. It is currently tested working under the following configurations:
+ *
+ *    - <b>Windows:</b> Atmel Studio 7, with alternative driver
+ *    - <b>Windows:</b> AVRDUDE 6.2, with alternative driver
+ *    - <b>Linux:</b> AVRDUDE 6.1
+ *
+ *  <b>Note that this clone requires a libUSB based driver under Windows,</b> due to an incompatible change in the official
+ *  Jungo based driver. The alternative driver given here will function with both real and clone AVRISP devices in Atmel
+ *  Studio 7 onwards under Windows - and as a bonus, also provides AVRDude access to the programmer.
+ *
+ *  As of Atmel Studio version 7.0.1417 the legacy Jungo driver has been deprecated in favor of an official libUSB based
+ *  driver, making the driver packaged here superfluous. Use the driver packaged here only if you are still using an earlier
+ *  Atmel Studio 7 build, otherwise the official Atmel libUSB driver should be used.

  *
  *  Note that this design currently has the following limitations:
  *    - No reversed/shorted target connector detection and notification
  *    - A separate header is required for each of the ISP, PDI and TPI programming protocols that the user wishes to use
  *
  *
  *  Note that this design currently has the following limitations:
  *    - No reversed/shorted target connector detection and notification
  *    - A separate header is required for each of the ISP, PDI and TPI programming protocols that the user wishes to use
  *

- *  On AVR models with an ADC converter, AVCC should be tied to 5V (e.g. VBUS) and the \c VTARGET_ADC_CHANNEL token should be
- *  set to an appropriate ADC channel number in the project makefile for VTARGET detection to operate correctly. On models
- *  without an ADC converter, VTARGET will report a fixed 3.3V level at all times.
+ *  On AVR models with an ADC converter, the USB AVR's AVCC pin should be tied to 5V (e.g. VBUS) and the
+ *  \c VTARGET_ADC_CHANNEL token should be set to an appropriate ADC channel number in the project makefile for VTARGET
+ *  detection to operate correctly. On models without an ADC converter, VTARGET will report a fixed 3.3V level at all times
+ *  which should allow the programmer to remain compatible at the protocol level with all AVR devices.

  *
  *  While this application can be compiled for USB AVRs with as little as 8KB of FLASH, for full functionality 16KB or more
  *
  *  While this application can be compiled for USB AVRs with as little as 8KB of FLASH, for full functionality 16KB or more

- *  of FLASH is required. On 8KB devices, ISP or PDI/TPI programming support can be disabled to reduce program size.
+ *  of FLASH is required. On 8KB devices, ISP or PDI/TPI protocol programming support can be disabled to reduce program size.
+ *
+ *  \section Sec_Installation Installation
+ *  The programmer supports multiple platforms, both Windows and Linux.
+ *
+ *  \subsection SSec_LinuxInstallation Linux Installation
+ *  On Linux systems, the programmer should be usable out of the box with no special setup other than (on some systems)
+ *  editing of the system permissions to allow the programmer to be used from a non-elevated (root) context. The programmer
+ *  is compatible with the free open source AVRDude programming software project.
+ *
+ *  \subsection SSec_WindowsInstallation Windows Installation
+ *  On Windows systems, due to an unfortunate limitation of the USB AVR devices and the Atmel Studio platform, the programmer
+ *  requires an alternative libUSB based driver. Uninstall the existing Jungo driver for the device (if installed) and replace
+ *  it with the driver that ships with this project, to enable access to the programmer in Atmel Studio and AVRDUDE.

  *
  *  \section Sec_ISP ISP Connections
  *  Connections to the device for SPI programming (when enabled):
  *
  *  <table>
  *   <tr>
  *
  *  \section Sec_ISP ISP Connections
  *  Connections to the device for SPI programming (when enabled):
  *
  *  <table>
  *   <tr>

- *    <td><b>Programmer Pin:</b></td>
- *    <td><b>Target Device Pin:</b></td>
- *    <td><b>ISP 6 Pin Layout:</b></td>
+ *    <th><b>Programmer Pin:</b></th>
+ *    <th><b>Target Device Pin:</b></th>
+ *    <th><b>ISP 6 Pin Layout:</b></th>

  *   </tr>
  *   <tr>
  *    <td>MISO</td>
  *   </tr>
  *   <tr>
  *    <td>MISO</td>


@@ -118,9 +145,9 @@
  *
  *  <table>
  *   <tr>
  *
  *  <table>
  *   <tr>

- *    <td><b>Programmer Pin:</b></td>
- *    <td><b>Target Device Pin:</b></td>
- *    <td><b>PDI 6 Pin Layout:</b></td>
+ *    <th><b>Programmer Pin:</b></th>
+ *    <th><b>Target Device Pin:</b></th>
+ *    <th><b>PDI 6 Pin Layout:</b></th>

  *   </tr>
  *   <tr>
  *    <td>Tx/Rx <b><sup>2</sup></b></td>
  *   </tr>
  *   <tr>
  *    <td>Tx/Rx <b><sup>2</sup></b></td>


@@ -162,9 +189,9 @@
  *
  *  <table>
  *   <tr>
  *
  *  <table>
  *   <tr>

- *    <td><b>Programmer Pin:</b></td>
- *    <td><b>Target Device Pin:</b></td>
- *    <td><b>TPI 6 Pin Layout:</b></td>
+ *    <th><b>Programmer Pin:</b></th>
+ *    <th><b>Target Device Pin:</b></th>
+ *    <th><b>TPI 6 Pin Layout:</b></th>

  *   </tr>
  *   <tr>
  *    <td>Tx/Rx <b><sup>2</sup></b></td>
  *   </tr>
  *   <tr>
  *    <td>Tx/Rx <b><sup>2</sup></b></td>


@@ -208,9 +235,9 @@
  *
  *  <table>
  *   <tr>
  *
  *  <table>
  *   <tr>

- *    <td><b>Define Name:</b></td>
- *    <td><b>Location:</b></td>
- *    <td><b>Description:</b></td>
+ *    <th><b>Define Name:</b></th>
+ *    <th><b>Location:</b></th>
+ *    <th><b>Description:</b></th>

  *   </tr>
  *   <tr>
  *    <td>AUX_LINE_PORT</td>
  *   </tr>
  *   <tr>
  *    <td>AUX_LINE_PORT</td>


@@ -262,7 +289,7 @@
  *    <td>NO_VTARGET_DETECT</td>
  *    <td>AppConfig.h</td>
  *    <td>Define to disable VTARGET sampling and reporting on AVR models with an ADC converter. This will cause the programmer
  *    <td>NO_VTARGET_DETECT</td>
  *    <td>AppConfig.h</td>
  *    <td>Define to disable VTARGET sampling and reporting on AVR models with an ADC converter. This will cause the programmer

- *        to report a fixed 3.3V target voltage to the host regardless of the real target voltage. 
+ *        to report a fixed 3.3V target voltage to the host regardless of the real target voltage.

  *        \n \n <i>Ignored when compiled for targets lacking an ADC.</i></td>
  *   </tr>
  *   <tr>
  *        \n \n <i>Ignored when compiled for targets lacking an ADC.</i></td>
  *   </tr>
  *   <tr>


@@ -290,12 +317,6 @@
  *        \n \n <i>Ignored when compiled for targets lacking an ADC, or when NO_VTARGET_DETECT is defined.</i></td>
  *   </tr>
  *   <tr>
  *        \n \n <i>Ignored when compiled for targets lacking an ADC, or when NO_VTARGET_DETECT is defined.</i></td>
  *   </tr>
  *   <tr>

- *    <td>LIBUSB_DRIVER_COMPAT</td>
- *    <td>AppConfig.h</td>
- *    <td>Define to switch to a non-standard endpoint scheme, breaking compatibility with AVRStudio under Windows but making
- *        the code compatible with software such as avrdude (all platforms) that use the libUSB driver.</td>
- *   </tr>
- *   <tr>

  *    <td>XCK_RESCUE_CLOCK_ENABLE</td>
  *    <td>AppConfig.h</td>
  *    <td>Define to move the ISP rescue clock to the AVR's XCK pin instead of the OCR1A output pin. This is useful for existing programming
  *    <td>XCK_RESCUE_CLOCK_ENABLE</td>
  *    <td>AppConfig.h</td>
  *    <td>Define to move the ISP rescue clock to the AVR's XCK pin instead of the OCR1A output pin. This is useful for existing programming