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Inky Frame: make image_gallery work with all sizes

This commit is contained in:
Hel Gibbons 2023-03-08 16:54:36 +00:00
parent a8a8321405
commit 3d597e7d03
2 changed files with 38 additions and 27 deletions
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35
micropython/examples/inky_frame/image_gallery/image_gallery.py
View File

@ -1,12 +1,17 @@
# An offline image gallery that switches between five jpg images # An offline image gallery that switches between five jpg images
# Copy them into your Pico's flash using Thonny. # Copy them into the root of your Pico's flash using Thonny.
# If you want to use your own images they must be 600 x 448 pixels or smaller
# and saved as *non-progressive* jpgs
from pimoroni import ShiftRegister # If you want to use your own images they must be the screen dimensions (or smaller)
from picographics import PicoGraphics, DISPLAY_INKY_FRAME # and saved as *non-progressive* jpgs.
# Make sure to uncomment the correct size for your display!
from picographics import PicoGraphics, DISPLAY_INKY_FRAME as DISPLAY # 5.7"
# from picographics import PicoGraphics, DISPLAY_INKY_FRAME_4 as DISPLAY # 4.0"
# from picographics import PicoGraphics, DISPLAY_INKY_FRAME_7 as DISPLAY # 7.3"
from machine import Pin from machine import Pin
import jpegdec import jpegdec
from pimoroni import ShiftRegister
# you can change your file names here # you can change your file names here
IMAGE_A = "jwst1.jpg" IMAGE_A = "jwst1.jpg"
@ -16,7 +21,7 @@ IMAGE_D = "jwst4.jpg"
IMAGE_E = "jwst5.jpg" IMAGE_E = "jwst5.jpg"
# set up the display # set up the display
display = PicoGraphics(display=DISPLAY_INKY_FRAME) graphics = PicoGraphics(DISPLAY)
# Inky Frame uses a shift register to read the buttons # Inky Frame uses a shift register to read the buttons
SR_CLOCK = 8 SR_CLOCK = 8
@ -42,14 +47,7 @@ hold_vsys_en_pin = Pin(HOLD_VSYS_EN_PIN, Pin.OUT)
hold_vsys_en_pin.value(True) hold_vsys_en_pin.value(True)
# Create a new JPEG decoder for our PicoGraphics # Create a new JPEG decoder for our PicoGraphics
j = jpegdec.JPEG(display) j = jpegdec.JPEG(graphics)
# setup
activity_led.on()
# update the image on Inky every time it's powered up
# comment these lines out if running on battery power
# button_a_led.on()
# display_image(IMAGE_A)
def display_image(filename): def display_image(filename):
@ -61,9 +59,16 @@ def display_image(filename):
j.decode(0, 0, jpegdec.JPEG_SCALE_FULL) j.decode(0, 0, jpegdec.JPEG_SCALE_FULL)
# Display the result # Display the result
display.update() graphics.update()
# setup
activity_led.on()
# update the image on Inky every time it's powered up
# comment these lines out if running on battery power
# button_a_led.on()
# display_image(IMAGE_A)
while True: while True:
button_a_led.off() button_a_led.off()
button_b_led.off() button_b_led.off()

30
micropython/examples/inky_frame/image_gallery/image_gallery_sd.py
View File

@ -1,15 +1,21 @@
# An offline image gallery that switches between five jpg images # An offline image gallery that switches between five jpg images
# on your SD card (copy them across by plugging your SD into a computer). # on your SD card (copy them across by plugging your SD into a computer).
# If you want to use your own images they must be 600 x 448 pixels or smaller
# If you want to use your own images they must be the screen dimensions (or smaller)
# and saved as *non-progressive* jpgs # and saved as *non-progressive* jpgs
# Make sure to uncomment the correct size for your display!
from picographics import PicoGraphics, DISPLAY_INKY_FRAME as DISPLAY # 5.7"
# from picographics import PicoGraphics, DISPLAY_INKY_FRAME_4 as DISPLAY # 4.0"
# from picographics import PicoGraphics, DISPLAY_INKY_FRAME_7 as DISPLAY # 7.3"
from pimoroni import ShiftRegister from pimoroni import ShiftRegister
from picographics import PicoGraphics, DISPLAY_INKY_FRAME
from machine import Pin, SPI from machine import Pin, SPI
import jpegdec import jpegdec
import sdcard import sdcard
import uos import uos
# you can change your file names here # you can change your file names here
IMAGE_A = "sd/jwst1.jpg" IMAGE_A = "sd/jwst1.jpg"
IMAGE_B = "sd/jwst2.jpg" IMAGE_B = "sd/jwst2.jpg"
@ -18,7 +24,7 @@ IMAGE_D = "sd/jwst4.jpg"
IMAGE_E = "sd/jwst5.jpg" IMAGE_E = "sd/jwst5.jpg"
# set up the display # set up the display
display = PicoGraphics(display=DISPLAY_INKY_FRAME) graphics = PicoGraphics(DISPLAY)
# Inky Frame uses a shift register to read the buttons # Inky Frame uses a shift register to read the buttons
SR_CLOCK = 8 SR_CLOCK = 8
@ -49,14 +55,7 @@ hold_vsys_en_pin = Pin(HOLD_VSYS_EN_PIN, Pin.OUT)
hold_vsys_en_pin.value(True) hold_vsys_en_pin.value(True)
# Create a new JPEG decoder for our PicoGraphics # Create a new JPEG decoder for our PicoGraphics
j = jpegdec.JPEG(display) j = jpegdec.JPEG(graphics)
# setup
activity_led.on()
# update the image on Inky every time it's powered up
# comment these lines out if running on battery power
# button_a_led.on()
# display_image(IMAGE_A)
def display_image(filename): def display_image(filename):
@ -68,9 +67,16 @@ def display_image(filename):
j.decode(0, 0, jpegdec.JPEG_SCALE_FULL) j.decode(0, 0, jpegdec.JPEG_SCALE_FULL)
# Display the result # Display the result
display.update() graphics.update()
# setup
activity_led.on()
# update the image on Inky every time it's powered up
# comment these lines out if running on battery power
# button_a_led.on()
# display_image(IMAGE_A)
while True: while True:
button_a_led.off() button_a_led.off()
button_b_led.off() button_b_led.off()