Merge pull request #676 from pimoroni/cosmic-launch-examples

Cosmic Unicorn: Launch Examples.

Author: Gadgetoid

micropython/examples/cosmic_unicorn/launch/fire.py

@@ -1,12 +1,12 @@
 import random
-from galactic import GalacticUnicorn
+from cosmic import CosmicUnicorn
 
 graphics = None
 palette = None
 
 # setup heat value buffer and fire parameters
-width = GalacticUnicorn.WIDTH + 2
-height = GalacticUnicorn.HEIGHT + 4
+width = CosmicUnicorn.WIDTH + 2
+height = CosmicUnicorn.HEIGHT + 4
 heat = [[0.0 for y in range(height)] for x in range(width)]
 fire_spawns = 5
 damping_factor = 0.97
@@ -70,8 +70,8 @@ def draw():
             heat[x][y] = average
 
     # render the heat values to the graphics buffer
-    for y in range(GalacticUnicorn.HEIGHT):
-        for x in range(GalacticUnicorn.WIDTH):
+    for y in range(CosmicUnicorn.HEIGHT):
+        for x in range(CosmicUnicorn.WIDTH):
             graphics.set_pen(pen_from_value(heat[x + 1][y]))
             graphics.pixel(x, y)
 

micropython/examples/cosmic_unicorn/launch/main.py

@@ -1,13 +1,13 @@
 import time
 import machine
-from galactic import GalacticUnicorn
-from picographics import PicoGraphics, DISPLAY_GALACTIC_UNICORN as DISPLAY
+from cosmic import CosmicUnicorn
+from picographics import PicoGraphics, DISPLAY_COSMIC_UNICORN as DISPLAY
 
 # overclock to 200Mhz
 machine.freq(200000000)
 
-# create galactic object and graphics surface for drawing
-galactic = GalacticUnicorn()
+# create cosmic object and graphics surface for drawing
+cosmic = CosmicUnicorn()
 graphics = PicoGraphics(DISPLAY)
 
 brightness = 0.5
@@ -16,14 +16,14 @@
 # returns the id of the button that is currently pressed or
 # None if none are
 def pressed():
-    if galactic.is_pressed(GalacticUnicorn.SWITCH_A):
-        return GalacticUnicorn.SWITCH_A
-    if galactic.is_pressed(GalacticUnicorn.SWITCH_B):
-        return GalacticUnicorn.SWITCH_B
-    if galactic.is_pressed(GalacticUnicorn.SWITCH_C):
-        return GalacticUnicorn.SWITCH_C
-    if galactic.is_pressed(GalacticUnicorn.SWITCH_D):
-        return GalacticUnicorn.SWITCH_D
+    if cosmic.is_pressed(CosmicUnicorn.SWITCH_A):
+        return CosmicUnicorn.SWITCH_A
+    if cosmic.is_pressed(CosmicUnicorn.SWITCH_B):
+        return CosmicUnicorn.SWITCH_B
+    if cosmic.is_pressed(CosmicUnicorn.SWITCH_C):
+        return CosmicUnicorn.SWITCH_C
+    if cosmic.is_pressed(CosmicUnicorn.SWITCH_D):
+        return CosmicUnicorn.SWITCH_D
     return None
 
 
@@ -33,30 +33,30 @@ def pressed():
     graphics.set_pen(graphics.create_pen(0, 0, 0))
     graphics.clear()
     graphics.set_pen(graphics.create_pen(155, 155, 155))
-    graphics.text("PRESS", 12, -1, -1, 1)
-    graphics.text("A B C OR D!", 2, 5, -1, 1)
+    graphics.text("PRESS", 3, 6, -1, 1)
+    graphics.text("A B C OR D!", 5, 14, 32, 1, 0)
 
     # brightness up/down
-    if galactic.is_pressed(GalacticUnicorn.SWITCH_BRIGHTNESS_UP):
+    if cosmic.is_pressed(CosmicUnicorn.SWITCH_BRIGHTNESS_UP):
         brightness += 0.01
-    if galactic.is_pressed(GalacticUnicorn.SWITCH_BRIGHTNESS_DOWN):
+    if cosmic.is_pressed(CosmicUnicorn.SWITCH_BRIGHTNESS_DOWN):
         brightness -= 0.01
     brightness = max(min(brightness, 1.0), 0.0)
 
-    galactic.set_brightness(brightness)
-    galactic.update(graphics)
+    cosmic.set_brightness(brightness)
+    cosmic.update(graphics)
 
-    if pressed() == GalacticUnicorn.SWITCH_A:
+    if pressed() == CosmicUnicorn.SWITCH_A:
         import fire as effect
         break
-    if pressed() == GalacticUnicorn.SWITCH_B:
+    if pressed() == CosmicUnicorn.SWITCH_B:
         import supercomputer as effect  # noqa: F811
         break
-    if pressed() == GalacticUnicorn.SWITCH_C:
+    if pressed() == CosmicUnicorn.SWITCH_C:
         import rainbow as effect        # noqa: F811
         break
-    if pressed() == GalacticUnicorn.SWITCH_D:
-        import retroprompt as effect    # noqa: F811
+    if pressed() == CosmicUnicorn.SWITCH_D:
+        import today as effect    # noqa: F811
         break
 
     # pause for a moment
@@ -79,35 +79,35 @@ def pressed():
     if pressed() is not None:
         machine.reset()
 
-    sleep_pressed = galactic.is_pressed(GalacticUnicorn.SWITCH_SLEEP)
+    sleep_pressed = cosmic.is_pressed(CosmicUnicorn.SWITCH_SLEEP)
     if sleep_pressed and not was_sleep_pressed:
         sleep = not sleep
 
     was_sleep_pressed = sleep_pressed
 
     if sleep:
         # fade out if screen not off
-        galactic.set_brightness(galactic.get_brightness() - 0.01)
+        cosmic.set_brightness(cosmic.get_brightness() - 0.01)
 
-        if galactic.get_brightness() > 0.0:
+        if cosmic.get_brightness() > 0.0:
             effect.draw()
 
         # update the display
-        galactic.update(graphics)
+        cosmic.update(graphics)
     else:
         effect.draw()
 
         # update the display
-        galactic.update(graphics)
+        cosmic.update(graphics)
 
         # brightness up/down
-        if galactic.is_pressed(GalacticUnicorn.SWITCH_BRIGHTNESS_UP):
+        if cosmic.is_pressed(CosmicUnicorn.SWITCH_BRIGHTNESS_UP):
             brightness += 0.01
-        if galactic.is_pressed(GalacticUnicorn.SWITCH_BRIGHTNESS_DOWN):
+        if cosmic.is_pressed(CosmicUnicorn.SWITCH_BRIGHTNESS_DOWN):
             brightness -= 0.01
         brightness = max(min(brightness, 1.0), 0.0)
 
-        galactic.set_brightness(brightness)
+        cosmic.set_brightness(brightness)
 
     # pause for a moment (important or the USB serial device will fail
     time.sleep(0.001)

micropython/examples/cosmic_unicorn/launch/rainbow.py

@@ -1,11 +1,11 @@
 import math
-from galactic import GalacticUnicorn
+from cosmic import CosmicUnicorn
 
 graphics = None
 palette = None
 
-width = GalacticUnicorn.WIDTH
-height = GalacticUnicorn.HEIGHT
+width = CosmicUnicorn.WIDTH
+height = CosmicUnicorn.HEIGHT
 
 
 @micropython.native  # noqa: F821

micropython/examples/cosmic_unicorn/launch/retroprompt.py

@@ -1,5 +1,5 @@
 import random
-from galactic import GalacticUnicorn
+from cosmic import CosmicUnicorn
 
 graphics = None
 
@@ -8,8 +8,8 @@
 
 def init():
     global width, height, lifetime, age
-    width = GalacticUnicorn.WIDTH
-    height = GalacticUnicorn.HEIGHT
+    width = CosmicUnicorn.WIDTH
+    height = CosmicUnicorn.HEIGHT
     lifetime = [[0.0 for y in range(height)] for x in range(width)]
     age = [[0.0 for y in range(height)] for x in range(width)]
     for y in range(height):

micropython/examples/cosmic_unicorn/launch/supercomputer.py

@@ -0,0 +1,94 @@
+import time
+import network
+import ntptime
+import machine
+
+# You will need to create or update the file secrets.py with your network credentials using Thonny
+# in order for the example to update using the NTP.
+
+# secrets.py should contain:
+# WIFI_SSID = ""
+# WIFI_PASSWORD = ""
+
+try:
+    from secrets import WIFI_SSID, WIFI_PASSWORD
+except ImportError:
+    print("Create secrets.py with your WiFi credentials")
+
+graphics = None
+
+WIDTH = 32  # CosmicUnicorn.WIDTH
+HEIGHT = 32  # CosmicUnicorn.HEIGHT
+
+rtc = machine.RTC()
+
+DAYS = ["Mon", "Tue", "Wed", "Thur", "Fri", "Sat", "Sun"]
+
+
+def network_connect(SSID, PSK):
+    # Enable the Wireless
+    wlan = network.WLAN(network.STA_IF)
+    wlan.active(True)
+
+    # Number of attempts to make before timeout
+    max_wait = 5
+
+    # Sets the Wireless LED pulsing and attempts to connect to your local network.
+    print("connecting...")
+    wlan.connect(SSID, PSK)
+
+    while max_wait > 0:
+        if wlan.status() < 0 or wlan.status() >= 3:
+            break
+        max_wait -= 1
+        print('waiting for connection...')
+        time.sleep(1)
+
+    # Handle connection error. Switches the Warn LED on.
+    if wlan.status() != 3:
+        print("Unable to connect. Attempting connection again")
+
+
+# Function to sync the Pico RTC using NTP
+def sync_time():
+
+    network_connect(WIFI_SSID, WIFI_PASSWORD)
+
+    try:
+        ntptime.settime()
+    except OSError:
+        print("Unable to sync with NTP server. Check network and try again.")
+
+
+def init():
+
+    sync_time()
+
+
+def draw():
+
+    # Pens
+    RED = graphics.create_pen(120, 0, 0)
+    WHITE = graphics.create_pen(255, 255, 255)
+
+    current_t = rtc.datetime()
+
+    # Set the pen to Red and clear the screen.
+    graphics.set_pen(WHITE)
+    graphics.clear()
+
+    # Measures the length of the text to help us with centring later.
+    day_length = graphics.measure_text(DAYS[current_t[3]], 1)
+    date_length = graphics.measure_text(str(current_t[2]), 3)
+
+    graphics.set_font("bitmap6")
+    graphics.set_pen(RED)
+    graphics.rectangle(0, 0, WIDTH, 7)
+    graphics.set_pen(WHITE)
+    graphics.text(DAYS[current_t[3]], (WIDTH // 2) - (day_length // 2) - 1, 0, 32, 1)
+
+    graphics.set_pen(RED)
+    graphics.set_font("bitmap8")
+    graphics.text(str(current_t[2]), (WIDTH // 2) - (date_length // 2) + 1, 9, 32, 3)
+
+    graphics.set_pen(graphics.create_pen(0, 0, 0))