Change image on button press - for the Inky Impression - 5.7", 7-color eInk display for the RPi

inkyImpression-watchButton

#!/usr/bin/env python3

import signal
import RPi.GPIO as GPIO
import subprocess

# Gpio pins for each button (from top to bottom)
BUTTONS = [5, 6, 16, 24]

# These correspond to buttons A, B, C and D respectively
LABELS = ['A', 'B', 'C', 'D']

# Set up RPi.GPIO with the "BCM" numbering scheme
GPIO.setmode(GPIO.BCM)

# Buttons connect to ground when pressed, so we should set them up
# with a "PULL UP", which weakly pulls the input signal to 3.3V.
GPIO.setup(BUTTONS, GPIO.IN, pull_up_down=GPIO.PUD_UP)

# "handle_button" will be called every time a button is pressed
# It receives one argument: the associated input pin.
def handle_button(pin):
    label = LABELS[BUTTONS.index(pin)]
    if str(label) == 'A':
      subprocess.run(["inkywrite", "/home/pi/Pictures/A.png"])
    elif str(label) == 'B':
      subprocess.run(["inkywrite", "/home/pi/Pictures/B.png"])
    elif str(label) == 'C':
      subprocess.run(["inkywrite", "/home/pi/Pictures/C.png"])
    elif str(label) == 'D':
      subprocess.run(["inkywrite", "/home/pi/Pictures/D.png"])
      return

# Loop through out buttons and attach the "handle_button" function to each
# We're watching the "FALLING" edge (transition from 3.3V to Ground) and
# picking a generous bouncetime of 250ms to smooth out button presses.
for pin in BUTTONS:
    GPIO.add_event_detect(pin, GPIO.FALLING, handle_button, bouncetime=250)

# Finally, since button handlers don't require a "while True" loop,
# we pause the script to prevent it exiting immediately.
signal.pause()

inkywrite

#!/usr/bin/env python3

import sys

from PIL import Image
from inky.inky_uc8159 import Inky

inky = Inky()
saturation = 0.5

if len(sys.argv) == 1:
    print("""
Usage: {file} image-file
""".format(file=sys.argv[0]))
    sys.exit(1)

image = Image.open(sys.argv[1])

if len(sys.argv) > 2:
    saturation = float(sys.argv[2])

inky.set_image(image, saturation=saturation)
inky.show()

Hello, I am new to this.
COuld you help me understand why is this showing up?:
FileNotFoundError: [Errno 2] No such file or directory: 'inkywrite'

Hello, I am new to this. COuld you help me understand why is this showing up?: FileNotFoundError: [Errno 2] No such file or directory: 'inkywrite'

@ecoco6
https://gist.github.com/wallentx/9a8c983f028c198f3bf1ff9dd4d3ad5f

https://gist.github.com/wallentx/9a8c983f028c198f3bf1ff9dd4d3ad5f

…

On Thu, May 23, 2024, 10:53 ecoco6 ***@***.***> wrote: ***@***.**** commented on this gist. ------------------------------ Hello, I am new to this, why is this showing up? FileNotFoundError: [Errno 2] No such file or directory: 'inkywrite' — Reply to this email directly, view it on GitHub <https://gist.github.com/wallentx/d03ac6cb784341da9cf53caf94fa700d#gistcomment-5066773> or unsubscribe <https://github.com/notifications/unsubscribe-auth/ACES6UBSGMA5QGUC6Q42MLTZDYGHVBFKMF2HI4TJMJ2XIZLTSKBKK5TBNR2WLJDUOJ2WLJDOMFWWLO3UNBZGKYLEL5YGC4TUNFRWS4DBNZ2F6YLDORUXM2LUPGBKK5TBNR2WLJDHNFZXJJDOMFWWLK3UNBZGKYLEL52HS4DFVRZXKYTKMVRXIX3UPFYGLK2HNFZXIQ3PNVWWK3TUUZ2G64DJMNZZDAVEOR4XAZNEM5UXG5FFOZQWY5LFVEYTANRWGA2DIMRWU52HE2LHM5SXFJTDOJSWC5DF> . You are receiving this email because you authored the thread. Triage notifications on the go with GitHub Mobile for iOS <https://apps.apple.com/app/apple-store/id1477376905?ct=notification-email&mt=8&pt=524675> or Android <https://play.google.com/store/apps/details?id=com.github.android&referrer=utm_campaign%3Dnotification-email%26utm_medium%3Demail%26utm_source%3Dgithub> .