GitHub - jdeblese/fpgavr: FPGA implementation of an Atmel AVR programmer speaking the STK500 protocol

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FPGA implementation of an Atmel AVR programmer speaking the STK500 protocol

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gerber		gerber
.gitignore		.gitignore
README		README
dispatch.vhd		dispatch.vhd
fsm_stktx.vhd		fsm_stktx.vhd
fsm_stktx_tb.vhd		fsm_stktx_tb.vhd
main.ucf		main.ucf
main.vhd		main.vhd
main_tb.vhd		main_tb.vhd
readfsm.vhd		readfsm.vhd
readfsm_tb.vhd		readfsm_tb.vhd
serio.vhd		serio.vhd
serio_tb.vhd		serio_tb.vhd
stk500.py		stk500.py
stk500def.vhd		stk500def.vhd
synchronizer.vhd		synchronizer.vhd
testtx.ucf		testtx.ucf
testtx.vhd		testtx.vhd
uartrx.vhd		uartrx.vhd
uartrx_tb.vhd		uartrx_tb.vhd
uarttx.vhd		uarttx.vhd
uarttx_tb.vhd		uarttx_tb.vhd

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fpgavr
======

See: Atmel Application Note AVR068 - STK500 Communication Protocol

Atmel AVR programmers can use a standardized, open protocol for communication
between the programmer software and the hardware device. Many software programmers,
including *avrdude*, support the STK500 protocol. Therefore, building a new
hardware programmer with support for STK500 ensures it will be broadly
compatible with existing software.

Principle
---------

A series of FSMs will be used to implement the STK500 protocol in an FPGA.