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The computer then communicates with the Cortex via the VEXnet keys. One end has a USB plug that you plug into your computer (just like the standard A-to-A orange cable that connects computer-to-robot) and the other end has a telephone-jack-type plug that goes into the “Program” port on the back side of the joystick (near where one plugs in the competition switch and partner joystick). You must first buy a $50 widget (I got mine on eBay for like $20) called the VEX programming hardware kit.
WIRELESS DEBUGGING & DOWNLOADING! Yes, eas圜 users, you heard it here first. In RobotC you have the ability to run the robot under normal driving conditions and see all sensor values simultaneously on the computer screen in the “Debug window”. If you need more data than that, you need to get creative. The downside here is that you can only show 2 pieces of data on the LCD at a time - one on each line. Three (the most useful and realistic, IMO), purchase the $50 LCD screen and have your sensor data print to the LCD instead of to the computer screen. Oh, and good luck reading those numbers as they fly by on your screen at a million lines per minute. Using a joystick? Oh wait, you can’t use print-to-screen at all. Two, use the “print to screen” block somewhere in your program, plug the computer into the robot and follow the robot around on the field, connected by an orange umbilical cord. One, plug the computer into the robot and use the Online Window to see the sensor data down at the bottom of the window however, it has been our experience that the numbers showing in this window are not always correct/accurate. In eas圜 the options to get sensor data from the robot are three. Debugging window that’s actually helpful. Robotc free download code#
This limitation makes copying & pasting code from one program to another really difficult (especially since you can’t edit the C code directly).
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Again, this is sort of a “duh” feature I think most software has had this capacity since some time in the early 1990s, but eas圜 v4, not so much.
Ability to have multiple programs open at once. However, in eas圜, while you can *see* the C code in a sidebar window, you cannot make changes to it you must make all changes through the function “blocks” (at least this is the case with eas圜 v4 I don’t know if v5 is better). For RobotC users, this may be a head-scratcher (like, duh, edit the code directly). (No we have a screamin-fast 15″ laptop, and we are sitting pretty.) Until recently, we also had a tiny, 11″ laptop in our lab, which made this all much worse. Once your programs start getting more sophisticated and longer, it’s really difficult to manage when you can only see a small portion at one time. This doesn’t seem like a big deal at first, but eas圜’s graphical interface has LOTS of whitespace in between each module/block, and as a result, you can only see 10-15 lines of code on the screen at once. Robotc free download free#
With free RobotC and a installation on a few computers, we can have multiple people coding at the same time or some learning to code while others work on the competition program.Since eas圜 is a pretty pricey software package, our team only had it installed on one computer, making learning to program very difficult for the other girls on the team, since only one person could use it at a time.
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Although the website says that RobotC is available with “VEX kits and bundles at no extra charge,” I was able to just log into my VEX account and download the RobotC software without purchasing a “kit or bundle.” Sometime in the last year, VEX starting making RobotC completely free to download.
Yes, RobotC also has a graphical, drag-and-drop interface, but it is extremely limited compared to the “real” programming interface. For our team, it would not have been useful to try to learn the concepts of programming at the same time as learning the syntax required for RobotC. Robotc free download how to#
Up until now, all of our programmers were basically brand-new to the concept of programming, learning from scratch the way one has to think in the programming world: breaking things down into small, individual instructions, and learning how to create joystick programs (while loop) vs. There are several reasons that we are making the move to RobotC. DIscussed here: Why are we switching? and RobotC resources. I’m starting a new segment of this blog, with posts devoted to our transition from eas圜 to RobotC, sharing resources and tips that I learn along the way.
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