X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/40fd566dbaa76b1b40677cc826da2e89af424aa2..f2740a66bafa876dfcf2cdfa4c6f3e17395e8bf8:/Projects/AVRISP-MKII/AVRISP-MKII.txt?ds=inline diff --git a/Projects/AVRISP-MKII/AVRISP-MKII.txt b/Projects/AVRISP-MKII/AVRISP-MKII.txt index a933f386a..740a56c74 100644 --- a/Projects/AVRISP-MKII/AVRISP-MKII.txt +++ b/Projects/AVRISP-MKII/AVRISP-MKII.txt @@ -6,16 +6,16 @@ /** \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. * - * - Series 7 USB AVRs (AT90USBxxx7) - * - Series 6 USB AVRs (AT90USBxxx6) - * - Series 4 USB AVRs (ATMEGAxxU4) - * - Series 2 USB AVRs (AT90USBxx2, ATMEGAxxU2) - 8KB versions with reduced features only + * \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) - 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. * @@ -37,42 +37,69 @@ * Atmel AVRISP MKII Protocol Specification * * - * Usable Speeds: + * Supported USB Speeds: * Full Speed Mode * * * - * \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 - * 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 - * 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: + * + * - Windows: Atmel Studio 7, with alternative driver + * - Windows: AVRDUDE 6.2, with alternative driver + * - Linux: AVRDUDE 6.1 + * + * Note that this clone requires a libUSB based driver under Windows, 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 * - * 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_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): * * * - * - * - * + * + * + * * * * @@ -118,9 +145,9 @@ * *
Programmer Pin:Target Device Pin:ISP 6 Pin Layout:Programmer Pin:Target Device Pin:ISP 6 Pin Layout:
MISO
* - * - * - * + * + * + * * * * @@ -162,9 +189,9 @@ * *
Programmer Pin:Target Device Pin:PDI 6 Pin Layout:Programmer Pin:Target Device Pin:PDI 6 Pin Layout:
Tx/Rx 2
* - * - * - * + * + * + * * * * @@ -208,9 +235,9 @@ * *
Programmer Pin:Target Device Pin:TPI 6 Pin Layout:Programmer Pin:Target Device Pin:TPI 6 Pin Layout:
Tx/Rx 2
* - * - * - * + * + * + * * * * @@ -262,7 +289,7 @@ * * * * * @@ -290,12 +317,6 @@ * \n \n Ignored when compiled for targets lacking an ADC, or when NO_VTARGET_DETECT is defined. * * - * - * - * - * - * * * *
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.
XCK_RESCUE_CLOCK_ENABLEAppConfig.hDefine to move the ISP rescue clock to the AVR's XCK pin instead of the OCR1A output pin. This is useful for existing programming