Beagle Board - beagleboard.org
Grace Wilson
Published

Putt Speed Tracker

Tracks and records the speed at which a golf ball falls into the hole. Provides audio and visual feedback. Also has a history display mode.

IntermediateFull instructions provided6
Putt Speed Tracker

Things used in this project

Hardware components

PocketBeagle
BeagleBoard.org PocketBeagle
×1
Proximity Sensor
Proximity Sensor
×2
Generic Push Button
×4
Adafruit Standard LCD Display 20x4
×1
Adafruit i2c / SPI character LCD backpack
×1
Jumper wires (generic)
Jumper wires (generic)
×1
Resistor 1k ohm
Resistor 1k ohm
×6
microUSB pin adapter
×1
microUSB to USB Adapter
×1
USB Stereo 3D Sound Adapter
×1
Generic Speaker
×1
1inx1in 16in long Piece of Wood
×1

Hand tools and fabrication machines

Drill / Driver, Cordless
Drill / Driver, Cordless
Green Spray Paint

Story

Read more

Schematics

Fritzing Diagram Download

Diagram of Putt Project Set Up

Fritzing Diagram

Code

putt_main.py

Python
Main code file.
"""
-------------------------------------------------------------------------
Putt Project
-------------------------------------------------------------------------
License:   
Copyright 2018-2020 Grace Wilson

Redistribution and use in source and binary forms, with or without 
modification, are permitted provided that the following conditions are 
met:

1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright 
notice, this list of conditions and the following disclaimer in the 
documentation and/or other materials provided with the distribution.

3. Neither the name of the copyright holder nor the names of its 
contributors may be used to endorse or promote products derived from this
software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 
IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-------------------------------------------------------------------------
"""
# importing necessary libraries
import time
import Adafruit_BBIO.GPIO as GPIO
import os
import Adafruit_BBIO
import board
import busio
import adafruit_character_lcd.character_lcd_i2c as character_lcd

# initializing LCD Screen
i2c = busio.I2C(board.SCL, board.SDA)
cols = 20
rows = 4
lcd = character_lcd.Character_LCD_I2C(i2c, cols, rows)

# setting up GPIO inputs for sensors and butttons
GPIO.setup("P2_4", GPIO.IN) # sensor 1
GPIO.setup("P2_6", GPIO.IN) # sensor 2
GPIO.setup("P2_2", GPIO.IN) # record button
GPIO.setup("P2_8", GPIO.IN) # history button
GPIO.setup("P2_10", GPIO.IN) # gpio52 toggle1 button
GPIO.setup("P2_19", GPIO.IN) # gpio 27 toggle2 button

# initializing time variables for speed calculation
t_1 = 0.0
t_2 = 0.0

# distance between sensors
d = 17.75 # cm

# initializing variables for history collection and display
reading = []
index = 0

# record function
def record():
    # setting up for recording putt speed with "Ready" message and audio
    sensor_1 = False
    lcd.clear()
    lcd.message = ("Ready")
    os.system("aplay /var/lib/cloud9/Ready2.wav")
    
    # while loop that detects sensor activation and performs speed    calculation
    while True:
        if sensor_1 and (time.time() - t_1 > 2.0):
            print("Reset P2_4")
            sensor_1 = False
            t_1      = 0
        if GPIO.input("P2_4") == 1 and not sensor_1:
            print("P2_4 = 1")
            sensor_1 = True
            t_1      = time.time()
        if GPIO.input("P2_6") == 1 and sensor_1:
            print("P2_6 = 1")
            t_2      = time.time()
            t        = t_2-t_1
            s        = d/t
            s = round(s, 5)
            # Appending recorded speeds
            reading.append(s)
            # Displaying speeds in real time
            lcd.message = ("speed = {0:3.7}".format(s))
            # Audio Feedback depending on detected putt speed
            if s < 60:
                os.system("aplay /var/lib/cloud9/Too_Slow.wav")
            if (s >= 60) and (s <= 80):
                os.system("aplay /var/lib/cloud9/perf_putt.wav")
            if s > 80:
                os.system("aplay /var/lib/cloud9/Too_Fast.wav")
            time.sleep(0.75)
            # clearing screen for next putt and re-initializing screen
            lcd.clear()
            lcd.message = ("Ready")
            os.system("aplay /var/lib/cloud9/Ready2.wav")
            sensor_1 = False
        if GPIO.input("P2_8") == 0:
            break
        time.sleep(0.038) # based on sensor timing

# End def

# print_history function
def print_history(index):
    # initializing message
    message = ""
    # printing message
    print("history index = {0}".format(index))
    # clearing LCD screen
    lcd.clear()
    # for loop that displays and numbers the appended putts starting at 1
    for i, item in enumerate(reading):
        if (i >= index) and (i < index + 4):
            message = message + "{0}: {1}\n".format(i + 1, item)
            
    lcd.message = message

# End def

# history function    
def history():
    print("History")
    index = 0
    # calling print history function and play history audio
    print_history(index)
    os.system("aplay /var/lib/cloud9/History.wav")

    # scrolling
    while True:
        if GPIO.input("P2_10") == 0:
            print("P2_10 pressed")
            if (index > 0):
                index = index - 1
                print_history(index)
            
        if GPIO.input("P2_19") == 0:
            print("P2_19 pressed")
            if (index < len(reading) - 1):
                index = index + 1
                print_history(index)
                
        # breaks out of history display    
        if GPIO.input("P2_2") == 0:
            break;
            
        time.sleep(0.1)

# End def

# main code
# waits for specific buttons to be pressed to carry out the different functions
try:
    while True:
        if GPIO.input("P2_2") == 1:
            pass
        time.sleep(0.1)
        if GPIO.input("P2_8") == 1:
            pass
        time.sleep(0.1)
        if GPIO.input("P2_2") == 0:
            print("record")
            record()
        time.sleep(0.1)
        if GPIO.input("P2_8") == 0:
            print("history")
            history()
        time.sleep(0.1)

# Keyboard interrupt       
except KeyboardInterrupt:
    GPIO.cleanup()
    lcd.clear()
    print("Program Complete")
    
# End def

configure_pins.sh

Python
Configures pins.
# !/bin/bash
"""
--------------------------------------------------------------------------
Putt Project - Configure Pins
-------------------------------------------------------------------------
License:   
Copyright 2018-2020 Grace Wilson

Redistribution and use in source and binary forms, with or without 
modification, are permitted provided that the following conditions are
met:

1. Redistributions of source code must retain the above copyright notice, 
this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright 
notice, this list of conditions and the following disclaimer in the 
documentation and/or other materials provided with the distribution.

3. Neither the name of the copyright holder nor the names of its contribut
ors may be used to endorse or promote products derived from this software 
without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 
IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS
; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-------------------------------------------------------------------------
"""
# 
# Configure pins for Putt Project:
#   - I2C1
#   - Sensors
#   - Buttons
# 
# ------------------------------------------------------------------------
# I2C1
config-pin P2_09 i2c
config-pin P2_11 i2c

# Buttons
config-pin P2_02 gpio_input # record button
config-pin P2_08 gpio_input # history button
config-pin P2_10 gpio_input # toggle1 button
config-pin P2_19 gpio_input # toggle2 button

# Sensors
config-pin P2_04 gpio_input
config-pin P2_06 gpio_input

Run Script

Python
Run script for Putt Project
# !/bin/bash
"""
------------------------------------------------------------------------
Putt Project - Run Script
-------------------------------------------------------------------------
License:   
Copyright 2018-2020 Grace Wilson

Redistribution and use in source and binary forms, with or without 
modification, are permitted provided that the following conditions are  
met:

1. Redistributions of source code must retain the above copyright notice, 
this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright 
notice, this list of conditions and the following disclaimer in the 
documentation and/or other materials provided with the distribution.

3. Neither the name of the copyright holder nor the names of its contribut
ors may be used to endorse or promote products derived from this software 
without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 
IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS
; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-------------------------------------------------------------------------
"""
# Run Putt Project in /var/lib/cloud9/ENGI301/project
# 
# ------------------------------------------------------------------------
cd /var/lib/cloud9/ENGI301/project
./config_pins.sh
PYTHONPATH=/var/lib/cloud9/ENGI301/project python3 putt_main.py

Putt Project GitHub Repository

Credits

Grace Wilson

Grace Wilson

1 project • 0 followers
Thanks to Professor Welsh.

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