|JTAGer's control bar provides shortcut buttons to the
following main commands, as shown in figure 1 below:
Fig. 1: JTAGer's control bar.
- - File / New
- - File / Open
- - File / Save
- - Search
- - Clear all breakpoints
- - Goto line number
- - Run / Event-by-Event: Lowest
level of test program execution. Executes one elementary test action
at a time (e.g. TMS1 takes three elementary test actions to execute:
set TMS=1 and TCK=0; set TMS=1 and TCK=1; set TMS=1 and TCK=0).
- - Run / Step-by-Step: Executes the
test program, instruction-by-instruction.
- - Run / Execute Code:
program execution mode, after debugging. Menu and control bar commands
remain active during test program execution.
- - Run / Pause
- - Reset: Required to enter edit
mode (if the user wants to modify the test program after execution).
- - Run / Speed Run: Fastest test
program execution mode. Should be used only with completely debugged programs,
and when maximum speed is required.
- - Windows / State Diagrams: Shows
the state diagram of both TAP and indicates all state transitions
enforced by the test program
- - Windows / Waveforms - Shows the
waveforms (on both TAPs) resulting from test program execution
- - Utilities / Bitstream shifter -
This utility provides an interactive interface to both TAPs (buttons
replace test instructions to enable the immediate execution of test
- - Set Up: Enables the user to
modify any of the JTAGer's settings, as described in the previous
- - About
- - Help
Apart from the Set Up (already described) and the Use Parallel Port
buttons, most of the shortcut command buttons in the control bar are