Subject:
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Re: Need help with NQC
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Newsgroups:
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lugnet.robotics.rcx.nqc
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Date:
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Thu, 4 Apr 2002 03:31:54 GMT
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Viewed:
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3617 times
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"Russell Newman" <victoreden@netzero.net> wrote in message
news:GtLuCA.38p@lugnet.com...
> I just wrote a program and I can't get it to work. I download it to the • RCX
> and it just runs its motors. I look at the display and push on the bumper
> and it has those little triagles. So it is not hardware because the RCX
> reads that the bumper in pushed. I need help! here is the program
In what way is it misbehaving?
When backing up, it only backs up for 3/4 of a second. Is that enough?
When turning, it only turns for a maximum of a half a second. Is that
enough?
Kevin
>
> #define go_straight() Fwd(OUT_A+OUT_C);
> #define back_up() Rev(OUT_A+OUT_C);Wait(75);Fwd(OUT_A+OUT_C);
> #define turn_left() Rev(OUT_A);Wait(Random(50));Fwd(OUT_A);
> #define turn_right() Rev(OUT_C);Wait(Random(50));Fwd(OUT_C);
> int last_value; // Used for IR proximiy sensing
>
> task main()
> {
> start_up(); file://Used to set up the sensors and tasks
> while(true); file://A repeat forever loop
> {
> bumper_check(); file://Checks bumpers for collisions and turns
> ir_check(); file://IR proximiy sensing
> }
> }
>
> void start_up()
> {
> SetSensor(SENSOR_1,SENSOR_TOUCH);
> SetSensor(SENSOR_2,SENSOR_LIGHT);
> SetSensorMode(SENSOR_2,SENSOR_MODE_RAW);
> SetSensor(SENSOR_3,SENSOR_TOUCH);
> On(OUT_A+OUT_C); file://Turns on the motors to go straight
> start send_ir; file://Starts the task that sends out IR light
> }
>
> void bumper_check()
> {
> if(SENSOR_1 == 1) file://Checks for left bumper
> {
> back_up();
> turn_right();
> go_straight();
> }
> if(SENSOR_3 == 1) file://Then checks for right bumper
> {
> back_up();
> turn_left();
> go_straight();
> }
> }
>
> void ir_check()
> {
> last_value = SENSOR_2; file://Stores the value of the light sensor
> if(SENSOR_2 <= last_value - 75) file://Checks for a high fluctuation in • light
> {
> turn_right(); file://turns
> go_straight();
> }
> }
>
> task send_ir() file://sends out a bunch of signal 20 times a second
> {
> while(true)
> {
> SendMessage(0);
> Wait(5);
> }
> }
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Message is in Reply To:
 | | Need help with NQC
|
| I just wrote a program and I can't get it to work. I download it to the RCX and it just runs its motors. I look at the display and push on the bumper and it has those little triagles. So it is not hardware because the RCX reads that the bumper in (...) (23 years ago, 26-Mar-02, to lugnet.robotics.rcx.nqc)
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