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Update readme.md

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ashelly 2014-07-05 00:11:42 -04:00
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sim/README.md
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@ -9,3 +9,10 @@ What can you do with Grbl Sim?
- Visualize a g-code program by having the simulator parse and execute to a GUI. Fluctuations in feed rates by the acceleration planner can be viewed as well.
- A powerful debugging tool for development.
- Each of the AVR functions are replaced with dummy functions, like the stepper ISR. These could be written to whatever you need. For example, output simulated step pulses over time and examine its performance.
Realtime modifications by Adam Shelly:
Simulates Atmel hardware in separate thread. Runs in aproximate realtime.
On Linux, use `socat PTY,raw,link=/dev/ttyFAKE,echo=0 "EXEC:'./grbl_sim.exe -n -s step.out -b block.out',pty,raw,echo=0" to create a fake serial port connected to the simulator. This is useful for testing grbl interface software.