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Thanks Mark, those changes got rotation-sensor.c working
for me.
Mark Falco wrote:
>
> Yep, others have reported having these problems. Here's a fix I came up
> with, but has also only been tested on my system. There have been
> reports that the existing code works for some, and not for others, so
> you may need to customize this.
>
> just replace the existing definitions in direct-sensor.c
>
> hope this helps
>
> mark
>
> ! A/D values for the rotation sensor states
> //
> #define STATE_0_VALUE (0x0f000)
> #define STATE_1_VALUE (0x0d000)
> #define STATE_2_VALUE (0x07000)
> #define STATE_3_VALUE (0x0a000)
>
> //! rotation sensor range matching function
> //
> #define IN_RANGE( val ) ((raw & 0x0f000) == val)
>
> void ds_rotation_set(unsigned* const sensor,int pos) {
> unsigned channel=(unsigned) (sensor-&AD_A);
> unsigned raw = (*sensor);
> RotationState state;
>
> if(sensor>=&AD_A && sensor<=&AD_C) { // catch range violations
>
> //determine initial position
> if(IN_RANGE(STATE_0_VALUE))
> state=STATE_0;
> if(IN_RANGE(STATE_1_VALUE))
> state=STATE_1;
> if(IN_RANGE(STATE_2_VALUE))
> state=STATE_2;
> if(IN_RANGE(STATE_3_VALUE))
> state=STATE_3;
>
> rotation_state[channel]=state;
> ds_rotations[channel]=pos; // reset counter
> }
> }
>
> Jonathan Knudsen wrote:
>
> > Hello,
> >
> > Rotation sensors appear to be broken in the 990330
> > snapshot. Here's part of the code I'm using:
> >
> > ds_active(&SENSOR_3);
> > ds_rotation_on(&SENSOR_3);
> > ds_rotation_set(&SENSOR_3, 0);
> >
> > while (!PRESSED(button_state(), BUTTON_VIEW)) {
> > lcd_int(ROTATION_3);
> > lcd_refresh();
> > msleep(20);
> > }
> >
> > Is this a known problem?
> >
> > Thanks,
> > Jonathan
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Message is in Reply To:
 | | Re: Rotation sensors?
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| Yep, others have reported having these problems. Here's a fix I came up with, but has also only been tested on my system. There have been reports that the existing code works for some, and not for others, so you may need to customize this. just (...) (25 years ago, 20-Jul-99, to lugnet.robotics.rcx.legos)
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