519_La
Fork of Joystick_skeleton by
Revision 6:7a0edb75e7fd, committed 2016-11-13
- Comitter:
- chirags
- Date:
- Sun Nov 13 20:39:37 2016 +0000
- Parent:
- 5:4e531d160998
- Commit message:
- Commit the part 1
Changed in this revision
Joystick.cpp | Show annotated file Show diff for this revision Revisions of this file |
diff -r 4e531d160998 -r 7a0edb75e7fd Joystick.cpp --- a/Joystick.cpp Fri Nov 04 21:27:03 2016 +0000 +++ b/Joystick.cpp Sun Nov 13 20:39:37 2016 +0000 @@ -42,14 +42,14 @@ float avg = 0; for (int i = 0; i < 5; i++) { - avg += horiz.read() + avg += horiz.read(); } avg /= 5; //(4)Watch for Max and Min Values, if we see a new max/min update Raw Max/Min if(avg > rawMaxH) { rawMaxH = avg; } - if(avg < rawMinH) { + else if(avg < rawMinH) { rawMinH = avg; } @@ -66,48 +66,55 @@ //scale (_max/_min). float val; if(avg >= raw_hc) //Positive Range - val = 0; + val = ((avg - raw_hc)/range_pos)*(_max - 1); else //Negative Range - val = 0; + val = ((raw_hc - avg)/range_neg)*(_min + 1); //(7)Here we will apply a dead zone. If the |value| is <= our deadzone then //set it to 0. Otherwise we need to shift the value closer to 0 by dead zone - return horiz.read(); + return val; } //(8) Impliment vertial the same as you did for horizontal //Returns the scaled horizontal value of joystick float Joystick::vertical(void) { //Get average value (5 samples) - float avg = vert.read(); + float avg = 0; + for(int i = 0; i < 5; i++) { + avg += vert.read(); + } + avg /= 5; //(4)Watch for Max and Min Values, if we see a new max/min update Raw Max/Min - rawMaxV = avg; - rawMinV = avg; + if(avg > rawMaxV) { + rawMaxV = avg; + } + if(avg < rawMinV) { + rawMinV = avg; + } //(5)Here we will calculate the total range (Travel) of the joystick //using the rawMax/rawMin values we have seen thus far //Since the joystick is not symetrical we have to calculate two ranges //Calculate the range from [center, max] and [center, min] - float range_pos = 0; - float range_neg = 0; + float range_pos = rawMaxV - raw_vc; + float range_neg = raw_vc - rawMinV; //(6)Here we will calculate how much our current reading is in one //of the ranges, this will give us a percentage of our _max value we //set in setScale. Then we can apply the scale by multiplying it by our //scale (_max/_min). - float val; - if(avg >= raw_vc) //find scaled pot value - val = 0; - else - val = 0; + float val = 0; + if(avg >= raw_vc) //Positive Range + val = ((avg - raw_vc)/range_pos)*(_max - 1); + else //Negative Range + val = ((raw_vc - avg)/range_neg)*(_min + 1); //(7)Here we will apply a dead zone. If the |value| is <= our deadzone then //set it to 0. Otherwise we need to shift the value closer to 0 by dead zone - - return vert.read(); + return val; } //Set the Min and Max Values of joystick ex: -100, +100