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187 lines
5.5 KiB
187 lines
5.5 KiB
/** \file
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*
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* This file contains special DoxyGen information for the generation of the main page and other special
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* documentation pages. It is not a project source file.
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*/
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/** \mainpage AVRISP MKII Programmer Project
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*
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* \section SSec_Compat Demo Compatibility:
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*
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* The following list indicates what microcontrollers are compatible with this demo.
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*
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* - Series 7 USB AVRs
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* - Series 6 USB AVRs
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* - Series 4 USB AVRs
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* - Series 2 USB AVRs
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*
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* \section SSec_Info USB Information:
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*
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* The following table gives a rundown of the USB utilization of this demo.
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*
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* <table>
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* <tr>
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* <td><b>USB Mode:</b></td>
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* <td>Device</td>
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* </tr>
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* <tr>
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* <td><b>USB Class:</b></td>
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* <td>Vendor Specific Class</td>
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* </tr>
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* <tr>
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* <td><b>USB Subclass:</b></td>
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* <td>N/A</td>
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* </tr>
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* <tr>
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* <td><b>Relevant Standards:</b></td>
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* <td>Atmel AVRISP MKII Protocol Specification</td>
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* </tr>
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* <tr>
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* <td><b>Usable Speeds:</b></td>
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* <td>Full Speed Mode</td>
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* </tr>
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* </table>
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*
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* \section SSec_Description Project Description:
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*
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* Firmware for an AVRStudio compatible AVRISP-MKII clone programmer. This project will enable the USB AVR series of
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* microcontrollers to act as a clone of the official Atmel AVRISP-MKII programmer, usable within AVRStudio. In its
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* most basic form, it allows for the programming of 5V AVRs from within AVRStudio with no special hardware other than
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* the USB AVR and the parts needed for the USB interface. If the user desires, more advanced circuits incorporating
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* level conversion can be made to allow for the programming of 3.3V AVR designs.
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*
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* This device spoofs Atmel's official AVRISP-MKII device PID so that it remains compatible with Atmel's AVRISP-MKII
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* drivers. When promted, direct your OS to install Atmel's AVRISP-MKII drivers provided with AVRStudio.
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*
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* Note that this design currently has several limitations:
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* - Minimum target clock speed of 500KHz due to hardware SPI used
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* - No reversed/shorted target connector detection and notification
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*
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* On AVR models with an ADC converter, ACC should be tied to 5V (e.g. VBUS) and the VTARGET_ADC_CHANNEL token should be
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* set to an appropriate ADC channel number in the project makefile for VTARGET detection to operate correctly. On models
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* without an ADC converter, VTARGET will report at a fixed 5V level.
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*
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* Connections to the device are simple for SPI programming:
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*
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* <table>
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* <tr>
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* <td><b>Programmer Pin:</b></td>
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* <td><b>Target Device Pin:</b></td>
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* <td><b>ISP 6 Pin Layout:</b></td>
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* </tr>
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* <tr>
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* <td>MISO</td>
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* <td>PDO</td>
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* <td>1</td>
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* </tr>
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* <tr>
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* <td>ADCx <b><sup>1</sup></b></td>
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* <td>VTARGET</td>
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* <td>2</td>
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* </tr>
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* <tr>
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* <td>SCLK</td>
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* <td>SCLK</td>
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* <td>3</td>
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* </tr>
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* <tr>
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* <td>MOSI</td>
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* <td>PDI</td>
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* <td>4</td>
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* </tr>
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* <tr>
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* <td>PORTx.y <b><sup>2</sup></b></td>
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* <td>/RESET</td>
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* <td>5</td>
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* </tr>
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* <tr>
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* <td>GND</td>
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* <td>GND</td>
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* <td>6</td>
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* </tr>
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* </table>
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*
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* <b><sup>1</sup></b> <i>Optional, see \ref SSec_Options section - for USB AVRs with ADC modules only</i> \n
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* <b><sup>2</sup></b> <i>See \ref SSec_Options section</i>
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*
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*
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* Connections to the device are simple for SPI programming:
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*
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* <table>
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* <tr>
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* <td><b>Programmer Pin:</b></td>
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* <td><b>Target Device Pin:</b></td>
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* <td><b>ISP 6 Pin Layout:</b></td>
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* </tr>
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* <tr>
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* <td>MISO</td>
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* <td>DATA</td>
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* <td>1</td>
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* </tr>
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* <tr>
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* <td>ADCx <b><sup>1</sup></b></td>
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* <td>VTARGET</td>
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* <td>2</td>
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* </tr>
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* <tr>
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* <td>N/A</td>
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* <td>N/A</td>
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* <td>3</td>
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* </tr>
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* <tr>
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* <td>N/A</td>
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* <td>N/A</td>
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* <td>4</td>
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* </tr>
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* <tr>
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* <td>PORTx.y <b><sup>2</sup></b></td>
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* <td>CLOCK</td>
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* <td>5</td>
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* </tr>
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* <tr>
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* <td>GND</td>
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* <td>GND</td>
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* <td>6</td>
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* </tr>
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* </table>
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*
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* \section SSec_Options Project Options
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*
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* The following defines can be found in this demo, which can control the demo behaviour when defined, or changed in value.
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*
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* <table>
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* <tr>
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* <td><b>Define Name:</b></td>
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* <td><b>Location:</b></td>
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* <td><b>Description:</b></td>
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* </tr>
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* <tr>
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* <td>RESET_LINE_PORT</td>
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* <td>Makefile CDEFS</td>
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* <td>PORT register for the programmer's target RESET line.</td>
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* </tr>
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* <tr>
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* <td>RESET_LINE_DDR</td>
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* <td>Makefile CDEFS</td>
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* <td>DDR register for the programmer's target RESET line.</td>
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* </tr>
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* <tr>
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* <td>RESET_LINE_MASK</td>
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* <td>Makefile CDEFS</td>
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* <td>Mask for the programmer's target RESET line on the chosen port. <b>Must not be the AVR's /SS pin</b>, as the
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* target pins are tri-stated when not in use, and low signals on the /SS pin will force SPI slave mode when the
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* pin is configured as an input. When in PDI programming mode, this is the target clock pin.</td>
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* </tr>
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* <tr>
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* <td>VTARGET_ADC_CHANNEL</td>
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* <td>Makefile CDEFS</td>
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* <td>ADC channel number (on supported AVRs) to use for VTARGET level detection.</td>
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* </tr>
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* <tr>
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* <td>ENABLE_XPROG_PROTOCOL</td>
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* <td>Makefile CDEFS</td>
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* <td>Define to enable XMEGA PDI programming protocol support.</td>
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* </tr>
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* </table>
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*/
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