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Arduino JTAG/IEEE-1149.1 (1990) Standard Driver for Low Level Purposes

Brief

Simple low level JTAG driver implemented on the Arduino platform. Controlled by a python3 host via the Serial0 UART interface of the Arduino.

Requirements

  • pyserial
  • Arduino IDE that supports the DUE platform

Notice

  • Cannot be used on Arduino-Uno because it has not enough SRAM for the program to run.
  • Use a different platform with more than 2KBytes of SRAM. (Use: Mega, Due ...)

Future Work and Features

  • JTAG / IEEE-1149.1 pinout detection
  • ARM SWD pinout detection
  • UART pinout detection
  • implement the jtagulator algorithm
  • find a way to detect multiple devices in chain
  • option to insert ir,dr to a specific device in chain