X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/5f709e281eec223c5de9766a99bdd54339e149cb..07e521db928dc7e8ae707e8e395dfade95d031f0:/Projects/AVRISP-MKII/AVRISP-MKII.txt diff --git a/Projects/AVRISP-MKII/AVRISP-MKII.txt b/Projects/AVRISP-MKII/AVRISP-MKII.txt index 2cf8ceb47..1ac602bdf 100644 --- a/Projects/AVRISP-MKII/AVRISP-MKII.txt +++ b/Projects/AVRISP-MKII/AVRISP-MKII.txt @@ -6,7 +6,7 @@ /** \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. * @@ -15,7 +15,7 @@ * \li Series 4 USB AVRs (ATMEGAxxU4) * \li Series 2 USB AVRs (AT90USBxx2, ATMEGAxxU2) - 8KB versions with reduced features only * - * \section Sec_Info USB Information: + * \section Sec_Info USB Information * * The following table gives a rundown of the USB utilization of this project. * @@ -42,37 +42,98 @@ * * * - * \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/AVR 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 - * 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/AVR 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 aat the programmer's VCC voltage from + * within Atmel Studio/AVR 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 - * drivers. When prompted, direct your OS to install Atmel's AVRISP-MKII drivers provided with Atmel Studio/AVRStudio. + * drivers. When prompted, direct your OS to install Atmel's AVRISP-MKII drivers provided with Atmel Studio/AVR Studio. * * 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 - * 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_KnownIssues Known Issues: + * + * \par Incompatible with newer AVRDUDE releases. + * Due to a change in 6.0.1 and never AVRDUDE releases, + * these builds are incompatible with the AVRISP-MKII clone project. Use an older 5.x release until AVRDUDE is patched. + * + * \par XMEGA EEPROM programming fails in some cases. + * Several users have reported that XMEGA EEPROM programming fails unless the chip is erased first. If a non-blank EEPROM + * is present, writing further EEPROM data causes corruption. + * LUFA issue tracker entry. + * + * \par Does not work with Atmel Studio 6.2 or newer in some cases. + * If the libUSB filter driver is used to bind both libUSB and Jungo drivers to the clone device at the same time, it will + * no longer work in Atmel Studio 6.2 and newer. This is due to a change in the latter; Atmel Studio now supports both + * drivers for various tools, but while the libUSB driver is given preference the inner workings of Atmel Studio cannot + * communicate with the AVR-ISP MKII with libUSB (this is true for the genuine tool also). Uninstall the filter driver and + * install only the standard libUSB driver, or Jungo driver. The \c RESET_TOGGLES_LIBUSB_COMPAT compile option (detailed + * below) is a suitable workaround to this issue. + * + * \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 driver used in the official AVR + * Studio/Atmel Studio platform, the programmer cannot be made compatible with AVRDude and AVR Studio/Atmel Studio at the + * same time. Instead, the programmer will be compatible with the official Atmel software by default, with a recompilation + * with the \c LIBUSB_DRIVER_COMPAT token (see \ref Sec_Options) being required to use the alternative libUSB driver + * compatibility mode that will allow the programmer to work under AVRDude on Windows. + * + * If compiled for Atmel Studio/AVR Studio compatibility, install the Jungo device drivers that ship with the Atmel software. + * If compiled in the alternative libUSB compatibility mode for AVRDude use, install the libUSB drivers that are included + * with your compiled copy of AVRDude, or create them using the libUSB-Win32 (http://sourceforge.net/projects/libusb-win32) + * project. + * + * For convenience, the programmer will report two different serial numbers depending on the firmware compatibility mode, so + * that the correct driver can be installed for the matching firmware. If the \c RESET_TOGGLES_LIBUSB_COMPAT compile option + * is used (see \ref Sec_Options) this allows for an easy way to automatically switch device drivers along with the firmware + * compatibility mode. The serials are: + * + * + * + * + * + * + * + * + * + * + * + * + * + * + *
Serial Number:Compatibility Mode:
000200012345Jungo (Atmel Studio) Compatibility
000200112345libUSB Compatibility
* * \section Sec_ISP ISP Connections * Connections to the device for SPI programming (when enabled): * * * - * - * - * + * + * + * * * * @@ -118,9 +179,9 @@ * *
Programmer Pin:Target Device Pin:ISP 6 Pin Layout:Programmer Pin:Target Device Pin:ISP 6 Pin Layout:
MISO
* - * - * - * + * + * + * * * * @@ -162,9 +223,9 @@ * *
Programmer Pin:Target Device Pin:PDI 6 Pin Layout:Programmer Pin:Target Device Pin:PDI 6 Pin Layout:
Tx/Rx 2
* - * - * - * + * + * + * * * * @@ -208,9 +269,9 @@ * *
Programmer Pin:Target Device Pin:TPI 6 Pin Layout:Programmer Pin:Target Device Pin:TPI 6 Pin Layout:
Tx/Rx 2
* - * - * - * + * + * + * * * * @@ -262,7 +323,7 @@ * * * * * @@ -292,8 +353,8 @@ * * * - * *
Define Name:Location:Description:Define Name:Location:Description:
AUX_LINE_PORTNO_VTARGET_DETECTAppConfig.hDefine 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 Ignored when compiled for targets lacking an ADC.
LIBUSB_DRIVER_COMPATAppConfig.hDefine 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. + * Define to switch to a non-standard endpoint scheme, breaking compatibility with Atmel Studio/AVR Studio under Windows but + * making the code compatible with software such as avrdude (all platforms) that use the libUSB driver. * * \note This option is incompatible with \c RESET_TOGGLES_LIBUSB_COMPAT.