Example #1
0
def linearMovement(ips, distance, leftTotal, rightTotal, pwmData):
    # Check if inches per second are possible
    if not checkInputLinearIPS(ips, leftTotal, rightTotal):
        print("Inches per second excedes phyical parameters")

    # Get counts from encoders at start
    ticksL, ticksR = en.getCounts()
    # Set forward speeds and begin linear movement
    en.setSpeedsIPS(ips, ips, leftTotal, rightTotal, pwmData)
    while True:
        # Calculate distance of wheels traveled based on encoder counts (ticks)
        distanceL, distanceR = km.DistanceWheels(ticksL, ticksR)

        # Break loop when complete distance is traveled
        if (distanceR >= abs(distance) or distanceL >= abs(distance)):
            en.setSpeedsPWM(1.5, 1.5)
            #print("Distance Left Right: ", distanceL, ' ',distanceR)
            #print('Time taken to complete task: ', time.monotonic() - timeStart)
            break
    return
Example #2
0
def orientationMovement(w, turnAngle, leftTotal, rightTotal, pwmData):
    # Check if inches per second are possible
    if not checkInputLinearIPS(w, leftTotal, rightTotal):
        print("Inches per second excedes phyical parameters")

    # Calculate arch length (distance) to travel given turnAngle and motion is opientation (R = DMID)
    distance = turnAngle * DMID
    #print('Distance each wheel travels in inches: ', distance)

    # Sets speeds to angular velocity w, stops based on distance of wheels traveled calculated
    ticksL, ticksR = en.getCounts()
    en.setSpeedsVW(0, w, leftTotal, rightTotal, pwmData)
    while True:
        # Calculate distance of wheels traveled based on encoder counts (ticks)
        distanceL, distanceR = km.DistanceWheels(ticksL, ticksR)

        # Break loop when complete distance is traveled
        if (distanceR >= abs(distance) or distanceL >= abs(distance)):
            en.setSpeedsPWM(1.5, 1.5)
            #print("Distance Left Right: ", distanceL, ' ',distanceR)
            #print('Time taken to complete task: ', time.monotonic() - timeStart)
            break
    return
Example #3
0
# Connect the right sensor and start measurement
GPIO.output(RSHDN, GPIO.HIGH)
time.sleep(0.01)
rSensor.start_ranging(VL53L0X.VL53L0X_GOOD_ACCURACY_MODE)

# Connect the front sensor and start measurement
GPIO.output(FSHDN, GPIO.HIGH)
time.sleep(0.01)
fSensor.start_ranging(VL53L0X.VL53L0X_GOOD_ACCURACY_MODE)

# Initialize encoders
my.initEncoders()

# Set servos to netural
my.setSpeedsPWM(1.5, 1.5)
pwmData, leftTotal, rightTotal = my.readCalibrateFile()

# Tuple of colors with hsv min and max
HSV_MIN = 0
HSV_MAX = 1

# Goal colors HSV
color1 = [(0,91,61),(9,132,176)]      # orange
color2 = [(42,106,55),(68,164,157)]   # Green
color3 = [(152,114,77),(173,185,194)] # pink

# PID constants
cmax = 1
cmin = -1
kp = .02
Example #4
0
#calibration.py
#This progeam is stepping through each PWM from 1.3 - 1.7 at intervals of 0.005
#Saves results in a file
import time
import encoder_lib as enc

# Calibrate encoders
enc.initEncoders()
timeX = time.monotonic()
enc.setSpeedsPWM(1.5, 1.5)
enc.calibrateSpeeds(1, 'CalibrateResults.txt')
print(time.monotonic() - timeX)

enc.end()
Example #5
0
def stopForTurn(t=.5):
    en.setSpeedsPWM(1.5, 1.5)
    timeStartWaste = time.monotonic()
    while (time.monotonic() - timeStartWaste < t):
        continue
    return