Quote:
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Originally Posted by Joe Lewis
We are trying to program the following scenario and are having a difficult time:
Joystick one - push forward - makes pwm11 go forward
Joystick one - pull back - makes pwm09 go forward
Joystick one - move left - make pwm05 go forward
Joystick one - move right - make pwm07 go foward
Each of the outputs needs to be variable, so the further the joystick is moved, the higher the output to the motors.
Lastly, if the joystick is moved forward, back, left or right off the x/y axis, then a combination of the motors needs to be triggered.
Can we do this, and if so, how? Below is a sample of my code that is not working. The code that I have is just triggering PWM01 to go forward or backward as the joystick is moved on the Y axis.
Thanks much,
Joe
pwm01 = pwm02 = pwm03 = pwm04 = pwm05 = pwm06 = pwm07 = pwm08 = 127;
pwm09 = pwm10 = pwm11 = pwm12 = pwm13 = pwm14 = pwm15 = pwm16 = 127;
/* Check if Port 1 Joystick is being pulled back or pushed forward */
if (p1_y <= 125) /* Joystick is being pulled back */
{
Pwm09 = 255 - p1_y; /* turn on motor 5 to go up */
Pwm11 = 127; /* turn off motor 6 */
}
else if (p1_y >= 135) /* Joystick is being pushed down */
{
Pwm11 = p1_y; /* turn on motor 6 to go down*/
Pwm09 = 127; /* turn off motor 5 */
}
else
{ /* In neither forward or reverse position */
Pwm11 = pwm09 = 127; /* Turn off motors 5 and 6 */
}
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well its probably too late, but its always good to solve the problem anyway
1. if you directly copy/pasted that, its a lowercase "p" for pwm01, etc.
2. you might want a bigger deadzone than that, i normally use 140 and 115
(depending on the joysticks tho, we use the KoP ones and i admit, they suck)
3. you can test the logic in visual c - i do this a LOT and can thus prove it is not directly a SW problem
4. i did that, and the logic works, so its not the obvious problem unfortunately... so sorry, must be something else
Plz tell me what the problem is when you find it, you have me curious
feel free to IM me or something, i can try to help
~Stephanie Schmit
Team 1351