take 1
Dependencies: ContinuousServo Tach mbed
main.cpp@2:bf1da9059e82, 2018-04-23 (annotated)
- Committer:
- nbchaskin
- Date:
- Mon Apr 23 15:16:56 2018 +0000
- Revision:
- 2:bf1da9059e82
- Parent:
- 1:ed49c46d8998
Edited values
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
nbchaskin | 0:b059e65bf362 | 1 | #include "mbed.h" |
nbchaskin | 0:b059e65bf362 | 2 | #include "ContinuousServo.h" |
nbchaskin | 0:b059e65bf362 | 3 | #include "Tach.h" |
nbchaskin | 0:b059e65bf362 | 4 | |
nbchaskin | 0:b059e65bf362 | 5 | Tach tLeft(p17,64); |
nbchaskin | 0:b059e65bf362 | 6 | Tach tRight(p13,64); |
nbchaskin | 0:b059e65bf362 | 7 | |
nbchaskin | 0:b059e65bf362 | 8 | ContinuousServo left(p23); |
nbchaskin | 0:b059e65bf362 | 9 | ContinuousServo right(p26); |
nbchaskin | 0:b059e65bf362 | 10 | |
nbchaskin | 0:b059e65bf362 | 11 | float l; |
nbchaskin | 0:b059e65bf362 | 12 | float r; |
nbchaskin | 0:b059e65bf362 | 13 | float speedL; |
nbchaskin | 0:b059e65bf362 | 14 | float speedR; |
nbchaskin | 0:b059e65bf362 | 15 | float errorL; |
nbchaskin | 0:b059e65bf362 | 16 | float errorR; |
nbchaskin | 0:b059e65bf362 | 17 | float sampling_per; |
nbchaskin | 0:b059e65bf362 | 18 | |
nbchaskin | 0:b059e65bf362 | 19 | Serial pc(USBTX,USBRX); |
nbchaskin | 0:b059e65bf362 | 20 | |
nbchaskin | 0:b059e65bf362 | 21 | float PIpwmL(float desired_speed,float speed); |
nbchaskin | 0:b059e65bf362 | 22 | float PIpwmR(float desired_speed,float speed); |
nbchaskin | 0:b059e65bf362 | 23 | |
nbchaskin | 0:b059e65bf362 | 24 | int main() { |
nbchaskin | 1:ed49c46d8998 | 25 | wait(5); |
nbchaskin | 0:b059e65bf362 | 26 | //go straight |
nbchaskin | 0:b059e65bf362 | 27 | while(1){ |
nbchaskin | 1:ed49c46d8998 | 28 | |
nbchaskin | 0:b059e65bf362 | 29 | speedL = tLeft.getSpeed(); |
nbchaskin | 0:b059e65bf362 | 30 | speedR = tRight.getSpeed(); |
nbchaskin | 0:b059e65bf362 | 31 | l = PIpwmL(0.5, speedL); |
nbchaskin | 0:b059e65bf362 | 32 | r = PIpwmR(0.5, speedR); |
nbchaskin | 0:b059e65bf362 | 33 | |
nbchaskin | 0:b059e65bf362 | 34 | left.speed(l); |
nbchaskin | 0:b059e65bf362 | 35 | right.speed(-r); |
nbchaskin | 0:b059e65bf362 | 36 | |
nbchaskin | 0:b059e65bf362 | 37 | pc.printf("%f,%f\n",speedL,speedR); |
nbchaskin | 0:b059e65bf362 | 38 | wait(0.05); |
nbchaskin | 0:b059e65bf362 | 39 | } |
nbchaskin | 0:b059e65bf362 | 40 | } |
nbchaskin | 0:b059e65bf362 | 41 | |
nbchaskin | 0:b059e65bf362 | 42 | float PIpwmL(float desired_speed,float speed) |
nbchaskin | 0:b059e65bf362 | 43 | { |
nbchaskin | 0:b059e65bf362 | 44 | float integral_errorL = 0.0; |
nbchaskin | 0:b059e65bf362 | 45 | float sampling_per = 0.05; |
nbchaskin | 0:b059e65bf362 | 46 | float errorL = desired_speed - speed; |
nbchaskin | 0:b059e65bf362 | 47 | integral_errorL += (errorL*sampling_per); |
nbchaskin | 2:bf1da9059e82 | 48 | float left = (0.07*integral_errorL) + (0.08*errorL) + 0.48; |
nbchaskin | 0:b059e65bf362 | 49 | return left; |
nbchaskin | 0:b059e65bf362 | 50 | } |
nbchaskin | 0:b059e65bf362 | 51 | float PIpwmR(float desired_speed,float speed) |
nbchaskin | 0:b059e65bf362 | 52 | { |
nbchaskin | 0:b059e65bf362 | 53 | float integral_errorR = 0.0; |
nbchaskin | 0:b059e65bf362 | 54 | float sampling_per = 0.05; |
nbchaskin | 0:b059e65bf362 | 55 | float errorR = desired_speed - speed; |
nbchaskin | 0:b059e65bf362 | 56 | integral_errorR += (errorR*sampling_per); |
nbchaskin | 2:bf1da9059e82 | 57 | float right = (0.07*integral_errorR) + (0.08*errorR) + 0.25; |
nbchaskin | 0:b059e65bf362 | 58 | return right; |
nbchaskin | 0:b059e65bf362 | 59 | } |