Examples: updated for use with new built-in modules

examples/agile_pricing_display.py

@@ -3,35 +3,27 @@
 Shows the current, next and last energy price for Octopus Energys Agile Price tarrif
 '''
 
-import asyncio
 import datetime
 import time
 
-import machine
 import ntptime
 import requests
-from ezwifi import EzWiFi
-from picographics import DISPLAY_PRESTO, PicoGraphics
 from picovector import ANTIALIAS_BEST, PicoVector, Polygon, Transform
 from presto import Presto
 
-machine.freq(264000000)
-
 # Constants
 API_URL = 'https://api.octopus.energy/v1/products/AGILE-FLEX-22-11-25/electricity-tariffs/E-1R-AGILE-FLEX-22-11-25-C/standard-unit-rates/'
 
-# WiFi setup
-wifi = EzWiFi(verbose=True)
-connected = asyncio.get_event_loop().run_until_complete(wifi.connect(retries=2))
+# Setup for the Presto display
+
+presto = Presto(reactive_backlight=True)
+display = presto.display
+WIDTH, HEIGHT = display.get_bounds()
+presto.connect()
 
 # Set the correct time using the NTP service.
 ntptime.settime()
 
-# Setup for the Presto display
-presto = Presto()
-display = PicoGraphics(DISPLAY_PRESTO, buffer=memoryview(presto))
-WIDTH, HEIGHT = display.get_bounds()
-
 # Pico Vector
 vector = PicoVector(display)
 vector.set_antialiasing(ANTIALIAS_BEST)
@@ -42,7 +34,6 @@
 vector.set_font_word_spacing(100)
 vector.set_transform(t)
 
-
 # Couple of colours for use later
 ORANGE = display.create_pen(255, 99, 71)
 ORANGE_2 = display.create_pen(255, 99 + 50, 71 + 50)
@@ -53,13 +44,12 @@
 
 MARGIN = 15
 
-# Clear the screen and use blue as the background colour
+# Clear the screen and use orange as the background colour
 display.set_pen(ORANGE)
 display.clear()
 display.set_pen(ORANGE_3)
 display.text("Getting prices...", 10, 90 + 2, WIDTH, 4)
-presto.update(display)
-presto.update(display)
+presto.update()
 
 # Keep a record of the last time we updated.
 # We only want to be requesting new information every half an hour.
@@ -140,4 +130,4 @@ def get_prices():
     vector.text(f"{next_price}p", MARGIN, 215)
 
     # Finally we update the screen with our changes :)
-    presto.update(display)
+    presto.update()

examples/backlight_ball.py

@@ -2,15 +2,13 @@
 Watch the backlighting react to a ball moving on screen
 '''
 
-from picographics import PicoGraphics, DISPLAY_PRESTO
-from presto import Presto
-import time
 import math
-from PrestoLight import Reactive
+import time
 
-# Setup for the Presto display
-presto = Presto()
-display = PicoGraphics(DISPLAY_PRESTO, buffer=memoryview(presto))
+from presto import Presto
+
+presto = Presto(reactive_backlight=True)
+display = presto.display
 WIDTH, HEIGHT = display.get_bounds()
 
 # Couple of colours for use later
@@ -26,8 +24,6 @@
 # Set our initial pen colour
 pen = display.create_pen_hsv(1.0, 1.0, 1.0)
 
-backlight = Reactive()
-
 while True:
 
     display.set_pen(BLACK)
@@ -45,7 +41,5 @@
 
     display.circle(WIDTH // 2 + int(math.cos(rad) * 100), HEIGHT // 2 + int(math.sin(rad) * 100), 80)
 
-    backlight.update(display)
-
     # Finally we update the screen with our changes :)
-    presto.update(display)
+    presto.update()

examples/backlight_images.py

@@ -2,47 +2,38 @@
 A demo that flips between 2 images and changes the backlighting
 '''
 
-from picographics import PicoGraphics, DISPLAY_PRESTO
-from presto import Presto
 import time
+
 import jpegdec
-from PrestoLight import Reactive
+from presto import Presto
+
+# File names for your 2 images. The reactive backlighting works best with images that match the resolution of the screen
+# In this example we're running at 240 x 240
+
+IMAGE_1 = "image1.jpg"
+IMAGE_2 = "image2.jpg"
 
 # Setup for the Presto display
-presto = Presto()
-display = PicoGraphics(DISPLAY_PRESTO, buffer=memoryview(presto))
+presto = Presto(reactive_backlight=True)
+display = presto.display
 WIDTH, HEIGHT = display.get_bounds()
 
 # JPEG
 j = jpegdec.JPEG(display)
 
-backlight = Reactive()
-
-# Couple of colours for use later
-BLUE = display.create_pen(28, 181, 202)
-WHITE = display.create_pen(255, 255, 255)
-RED = display.create_pen(230, 60, 45)
-ORANGE = display.create_pen(245, 165, 4)
-GREEN = display.create_pen(9, 185, 120)
-PINK = display.create_pen(250, 125, 180)
-PURPLE = display.create_pen(118, 95, 210)
-BLACK = display.create_pen(0, 0, 0)
-
 flip = True
 
 while True:
 
     if flip:
-        j.open_file("colour_pencils.jpg")
+        j.open_file(IMAGE_1)
         j.decode(0, 0, jpegdec.JPEG_SCALE_FULL, dither=True)
         flip = not flip
     else:
-        j.open_file("car.jpg")
+        j.open_file(IMAGE_2)
         j.decode(0, 0, jpegdec.JPEG_SCALE_FULL, dither=True)
         flip = not flip
 
-    backlight.update(display)
-
     # Finally we update the screen with our changes :)
-    presto.update(display)
+    presto.update()
     time.sleep(1)

examples/balls_demo.py

@@ -1,10 +1,10 @@
 import random
-from picographics import PicoGraphics, DISPLAY_PRESTO
+
 from presto import Presto
 
 # Setup for the Presto display
 presto = Presto()
-display = PicoGraphics(DISPLAY_PRESTO, buffer=memoryview(presto))
+display = presto.display
 WIDTH, HEIGHT = display.get_bounds()
 
 # We're creating 170 balls with their own individual colour and 1 BG colour
@@ -63,4 +63,4 @@ def __init__(self, x, y, r, dx, dy, pen):
         display.circle(int(ball.x), int(ball.y), int(ball.r))
 
     # Finally we update the screen with our changes :)
-    presto.update(display)
+    presto.update()

examples/cheerlights_bulb.py

@@ -1,14 +1,9 @@
-import asyncio
 import time
 
-import machine
 import plasma
 import requests
-from ezwifi import EzWiFi
-from picographics import DISPLAY_PRESTO, PicoGraphics
 from picovector import ANTIALIAS_BEST, PicoVector, Polygon, Transform
 from presto import Presto
-from touch import FT6236
 
 BULB_OUTLINE = [(130.44, 0.0),
                 (150.36, 1.51),
@@ -104,19 +99,13 @@
 # How long we'll wait between updates
 INTERVAL = 60
 
-machine.freq(264000000)
-
-# WiFi setup
-wifi = EzWiFi(verbose=True)
-connected = asyncio.get_event_loop().run_until_complete(wifi.connect(retries=2))
-
 # Setup for the Presto display
 presto = Presto()
-display = PicoGraphics(DISPLAY_PRESTO, buffer=memoryview(presto))
+display = presto.display
 WIDTH, HEIGHT = display.get_bounds()
+wifi = presto.connect()
 
-# We'll need this for the touch element of the screen
-touch = FT6236()
+touch = presto.touch
 
 # Pico Vector
 vector = PicoVector(display)
@@ -210,10 +199,9 @@ def get_cheerlight():
 
 while True:
 
-    # Poll the touch so we can see if anything changed since the last time
     touch.poll()
 
-    if connected:
+    if wifi:
         # If the user is touching the screen we'll do the following
         if touch.state:
             bulb_on = not bulb_on
@@ -250,4 +238,4 @@ def get_cheerlight():
     else:
         print("Lost connection to network")
 
-    presto.update(display)
+    presto.update()

examples/cubes.py

@@ -1,12 +1,12 @@
-import time
 import math
+import time
 from random import randint, randrange
-from picographics import PicoGraphics, DISPLAY_PRESTO
+
 from presto import Presto
 
 # Setup for the Presto display
 presto = Presto()
-display = PicoGraphics(DISPLAY_PRESTO, buffer=memoryview(presto))
+display = presto.display
 WIDTH, HEIGHT = display.get_bounds()
 
 BLACK = display.create_pen(0, 0, 0)
@@ -152,5 +152,5 @@ def draw(self):
             cubes[i] = Cube(8, 4, randint(10, WIDTH), randint(10, HEIGHT), randrange(4, 9) / 10)
 
     # Finally we update the screen with our changes :)
-    presto.update(display)
+    presto.update()
     time.sleep(0.01)

examples/hello.py

@@ -1,9 +1,8 @@
-from picographics import PicoGraphics, DISPLAY_PRESTO
 from presto import Presto
 
 # Setup for the Presto display
-presto = Presto()
-display = PicoGraphics(DISPLAY_PRESTO, buffer=memoryview(presto))
+presto = Presto(reactive_backlight=True)
+display = presto.display
 WIDTH, HEIGHT = display.get_bounds()
 
 # Couple of colours for use later
@@ -23,4 +22,4 @@
     display.text("Hello!", 10, 85, WIDTH, 8)
 
     # Finally we update the screen with our changes :)
-    presto.update(display)
+    presto.update()

examples/image_gallery.py

@@ -14,11 +14,7 @@
 import plasma
 import sdcard
 import uos
-from picographics import DISPLAY_PRESTO, PicoGraphics
 from presto import Presto
-from touch import FT6236
-
-machine.freq(264000000)
 
 # The total number of LEDs to set, the Presto has 7
 NUM_LEDS = 7
@@ -35,15 +31,15 @@
 
 # Setup for the Presto display
 presto = Presto()
-display = PicoGraphics(DISPLAY_PRESTO, buffer=memoryview(presto), layers=2)
+display = presto.display
 WIDTH, HEIGHT = display.get_bounds()
 
 BACKGROUND = display.create_pen(1, 1, 1)
 WHITE = display.create_pen(255, 255, 255)
 BLACK = display.create_pen(0, 0, 0)
 
 # We'll need this for the touch element of the screen
-touch = FT6236()
+touch = presto.touch
 
 # JPEG Dec
 j = jpegdec.JPEG(display)
@@ -130,7 +126,7 @@ def fizzlefade():
             if lfsr == 1:
                 break
 
-        presto.update(display)
+        presto.update()
         if lfsr == 1:
             break
 
@@ -250,8 +246,7 @@ def file_exists(filename):
 # We're not passing the arg for 'show_next' or 'show_previous' so it'll show whichever image is current
 clear()
 show_image()
-presto.update(display)
-presto.update(display)
+presto.update()
 
 while True:
 
@@ -263,7 +258,7 @@ def file_exists(filename):
 
         last_updated = time.time()
         show_image(show_next=True)
-        presto.update(display)
+        presto.update()
 
     # if the screen is reporting that there is touch we want to handle that here
     if touch.state:
@@ -273,20 +268,22 @@ def file_exists(filename):
             for i in LEDS_RIGHT:
                 bl.set_rgb(i, 255, 255, 255)
             show_image(show_next=True)
-            presto.update(display)
+            presto.update()
             last_updated = time.time()
             for i in LEDS_RIGHT:
                 bl.set_rgb(i, 0, 0, 0)
+            time.sleep(0.01)
 
         # Left half of the screen moves to the previous image
         elif touch.x < WIDTH // 2:
             for i in LEDS_LEFT:
                 bl.set_rgb(i, 255, 255, 255)
             show_image(show_previous=True)
-            presto.update(display)
+            presto.update()
             last_updated = time.time()
             for i in LEDS_LEFT:
                 bl.set_rgb(i, 0, 0, 0)
+            time.sleep(0.01)
 
         # Wait here until the user stops touching the screen
         while touch.state: