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ROBOTC 4.26 - BUG REPORTS 
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Joined: Mon Feb 06, 2012 4:22 pm
Posts: 2
Post ROBOTC 4.26 - BUG REPORTS
Hello! I am using Robotc 4.26 Virtual Worlds

Graphical Robot Virtual Words

"backward" command isn't working. The robot still drives forward.

If I change
Quote:
void backward(const float quantity = 1.0, const tMovementUnits unitType = rotations, const short speed = 50)
{
short adjustedSpeed = abs(speed) * -1;
float adjustedQuantity = abs(quantity) * -1;


in NatLangNXT_VW.c to

Quote:
void backward(const float quantity = 1.0, const tMovementUnits unitType = rotations, const short speed = 50)
{
short adjustedSpeed = abs(speed) * -1;
float adjustedQuantity = abs(quantity);


it works as it should.

Also in "Motors and Sensors Setup" i have to choose REMBOT. If i use RVW REMBOT the robot doesn't move, unless i also set "Driver Motor Side" on the Motors tab.


Sat Aug 30, 2014 4:31 pm
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Joined: Fri Aug 08, 2014 5:51 pm
Posts: 8
Post Re: ROBOTC 4.26 - BUG REPORTS
I'm experiencing lots of crashes when running RobotC 4.26 with an EV3. Most crashes leave the Brick either unresponsive or turned off. The only solution I've found is to manually take out the battery and replace it. It usually happens either right after downloading a program to the EV3 and attempting to debug usint the RobotC interfaces or when attempting to run the program via the EV3 interface.


Tue Sep 02, 2014 1:41 pm
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Joined: Fri Aug 08, 2014 5:51 pm
Posts: 8
Post Re: ROBOTC 4.26 - BUG REPORTS
For further info, I get "Failure Reading task stack" on the Program Debug window. The program is simple - only turning on a motor.


Tue Sep 02, 2014 1:59 pm
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Joined: Fri Aug 08, 2014 5:51 pm
Posts: 8
Post Re: ROBOTC 4.26 - BUG REPORTS
And is there anyway to go back to Robot 4.25?

Sorry for the multiposts.


Tue Sep 02, 2014 2:00 pm
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Joined: Fri Aug 08, 2014 5:51 pm
Posts: 8
Post Re: ROBOTC 4.26 - BUG REPORTS
I'm an idiot - sorry. Forgot to download new firmware.


Wed Sep 03, 2014 1:57 pm
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Joined: Sat Sep 27, 2014 10:21 pm
Posts: 1
Post Re: ROBOTC 4.26 - BUG REPORTS
I have two classrooms of VEX IQ robots (17 built so far) running RobotC 4.26 Graphical. All Firmware is up to date. Running Dell laptops with Windows 7.

We are having great trouble keeping RobotC from not crashing.

When downloading simple programs such as "move forward" we get these two error messages.
1. Failed to verify that the serial link is connected to a Robot Controller.
2. RobotC firmware is not installed or corrupted. It needs to be downloaded.

link to screen shot herehttps://docs.google.com/document/d/1Ps8pdmOMPU6Esbp3DNI3A03vlYcmUij5VrQV8CfrEV4/edit?usp=sharing

We have to unplug the brain and try again. Some times it works other times we have to switch to a different USB port.
We are downloading to autonomous not to the controller.
It seems random and is frustrating for students in a classroom setting.
Any help is appreciated.


Sat Sep 27, 2014 10:30 pm
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Joined: Sun Sep 28, 2014 1:04 am
Posts: 1
Post Motor settings in Graphical Natural Language
It seems that the left/right motors are hard coded to channels 2&3 and cannot be changed by the motors and sensors dialog window.

The default clawbot can be driven with 2&3 but we cannot use the claw because the wire from the claw will not reach to the pivot and down to the cortex. The intended option was channels 1&10 with motor controllers lengthening the wires for 6 & 7 to the arm and claw.


Sun Sep 28, 2014 1:08 am
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