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changed the default logic for the buttons and contact pins to inverted - default high. changed circuit and circuit diagrams to accomodate for that.

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This commit is contained in:
Patrick Tschuchnig 2019-09-19 08:58:21 +02:00
parent d5d79416e3
commit f617226879
2 changed files with 40 additions and 22 deletions
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36
gametest_rev2.py
View File

@ -56,23 +56,23 @@ pin_blue, pin_green, pin_red
pin_start pin_start
Type: Input, Pull Up Type: Input, Pull Down
Use: Start pin. If this is active, the game starts. Use: Start pin. If this is active, the game starts.
pin_stop pin_stop
Type: Input, Pull Up Type: Input, Pull Down
Use: Stop pin. If this is active, the game ends Use: Stop pin. If this is active, the game ends
pin_error pin_error
Type: Input, Pull Up Type: Input, Pull Down
Use: This is to be attached to the game wire. If the wire is touched, Use: This is to be attached to the game wire. If the wire is touched,
the pin is pulled up and an error is registered. the pin is pulled up and an error is registered.
pin_shutdown pin_shutdown
Type: Input, Pull Up Type: Input, Pull Down
Use: Triggering this input causes a system shutdown. Use: Triggering this input causes a system shutdown.
GPIO Pinout for assembly: GPIO Pinout for assembly:
@ -117,20 +117,18 @@ Circuit diagrams for the contact and button electronics:
All buttons are close-contact. All buttons are close-contact.
+3.3V DC ---+-----------+-----------+-----------+--------> +3.3V DC ---+-----------+-------------------------------->
| | | | | | | |
R2 R4 R4 R4
| | | | | | | |
start \ stop \ shutdown \ error \ +----+ +----+ +----+ +----+
contact \ contact \ button \ contact \ | | | | | | | |
| P_32 | P_37 | P_32 | P_32
\ \ \ \
\ \ \ \
\ \ \ \ \ \ \ \
* * * * * * * *
| | | | | | | |
R1 R3 R5 R7
| | | |
+-----+ +-----+ +-----+ +-----+
| | | | | | | |
R2 P_32 R4 P_37 R6 P_36 R8 P_33
| | | |
GND --------+-----------+-----------+-----------+--------> GND --------+-----------+-----------+-----------+-------->
LED Strip controller and driver: LED Strip controller and driver:
@ -190,13 +188,9 @@ and the other 3 the ground connections for the corresponding LED colour.
Part list: Part list:
Resistors: Resistors:
R1............1,800 Ohm
R2...........10,000 Ohm R2...........10,000 Ohm
R3............1,800 Ohm
R4...........10,000 Ohm R4...........10,000 Ohm
R5............1,800 Ohm
R6...........10,000 Ohm R6...........10,000 Ohm
R7............1,800 Ohm
R8...........10,000 Ohm R8...........10,000 Ohm
R9............1,000 Ohm R9............1,000 Ohm
R10..........10,000 Ohm R10..........10,000 Ohm
@ -454,7 +448,7 @@ def handle_events():
exit_application() exit_application()
# shutdown raspberry if shutdown pin is detected # shutdown raspberry if shutdown pin is detected
if GPIO.input(pin_shutdown): if not GPIO.input(pin_shutdown):
shutdown_raspberry() shutdown_raspberry()
def exit_application(): def exit_application():
@ -715,7 +709,7 @@ while True:
# event handling for if the start button is pushed # event handling for if the start button is pushed
#wait for the user to press start button #wait for the user to press start button
if GPIO.input(pin_start) and not pin_start_inhibit: if not GPIO.input(pin_start) and not pin_start_inhibit:
# change game state to running and not ending # change game state to running and not ending
game_running = True game_running = True
game_ending = False game_ending = False
@ -753,7 +747,7 @@ while True:
pin_start_inhibit = False pin_start_inhibit = False
# add errors if error pin is detected, only once per 500 ms # add errors if error pin is detected, only once per 500 ms
if GPIO.input(pin_error): if not GPIO.input(pin_error):
if not error_added: if not error_added:
errors += 1 errors += 1
error_added = True error_added = True
@ -791,7 +785,7 @@ while True:
#pygame.display.flip() #pygame.display.flip()
# if another push of start is detected (i.e. the game is ending!) # if another push of start is detected (i.e. the game is ending!)
if GPIO.input(pin_stop): if not GPIO.input(pin_stop):
# change led colour to red # change led colour to red
change_led_colour(200, 0, 200) change_led_colour(200, 0, 200)

24
pud_test.py Normal file
View File

@ -0,0 +1,24 @@
#!/usr/bin/env python
#coding=utf-8
import signal
import sys
import os
import time
import RPi.GPIO as GPIO
############################################
############## END OF IMPORTS ##############
# GPIO for Buttons
pin_start = 36
# initialise gpio
GPIO.setmode(GPIO.BOARD)
GPIO.setup(pin_start, GPIO.IN)
while True:
print(GPIO.input(pin_start))
time.sleep(1)