Tufty 2040: Vector examples.

micropython/examples/picow_explorer/vector_spectrometer.py

@@ -5,7 +5,6 @@
 from picographics import PicoGraphics, DISPLAY_PICO_W_EXPLORER, PEN_RGB332
 from picovector import PicoVector, Polygon, RegularPolygon, ANTIALIAS_X4
 
-PINS_BREAKOUT_GARDEN = {"sda": 4, "scl": 5}
 PINS_PICO_EXPLORER = {"sda": 20, "scl": 21}
 i2c = PimoroniI2C(**PINS_PICO_EXPLORER)
 
@@ -25,7 +24,7 @@
 vector = PicoVector(display)
 vector.set_antialiasing(ANTIALIAS_X4)
 
-# Load an Alright Font
+# Load an Alright Font, find this in common/AdvRe.af
 result = vector.set_font("/AdvRe.af", 30)
 
 WIDTH, HEIGHT = display.get_bounds()

micropython/examples/tufty2040/vector_clock.py

@@ -0,0 +1,119 @@
+import time
+import gc
+
+from picographics import PicoGraphics, DISPLAY_TUFTY_2040, PEN_RGB332
+from picovector import PicoVector, Polygon, RegularPolygon, Rectangle, ANTIALIAS_X4
+
+
+display = PicoGraphics(DISPLAY_TUFTY_2040, pen_type=PEN_RGB332)
+
+vector = PicoVector(display)
+vector.set_antialiasing(ANTIALIAS_X4)
+
+RED = display.create_pen(200, 0, 0)
+BLACK = display.create_pen(0, 0, 0)
+GREY = display.create_pen(200, 200, 200)
+WHITE = display.create_pen(255, 255, 255)
+
+"""
+# Redefine colours for a Blue clock
+RED = display.create_pen(200, 0, 0)
+BLACK = display.create_pen(135, 159, 169)
+GREY = display.create_pen(10, 40, 50)
+WHITE = display.create_pen(14, 60, 76)
+"""
+
+WIDTH, HEIGHT = display.get_bounds()
+
+hub = RegularPolygon(int(WIDTH / 2), int(HEIGHT / 2), 24, 5)
+
+face = RegularPolygon(int(WIDTH / 2), int(HEIGHT / 2), 48, int(HEIGHT / 2))
+
+print(time.localtime())
+
+last_second = None
+
+while True:
+    t_start = time.ticks_ms()
+    year, month, day, hour, minute, second, _, _ = time.localtime()
+
+    if last_second == second:
+        continue
+
+    last_second = second
+
+    display.set_pen(0)
+    display.clear()
+
+    display.set_pen(BLACK)
+    display.circle(int(WIDTH / 2), int(HEIGHT / 2), int(HEIGHT / 2))
+    display.set_pen(WHITE)
+    display.circle(int(WIDTH / 2), int(HEIGHT / 2), int(HEIGHT / 2) - 4)
+
+    display.set_pen(GREY)
+
+    for a in range(60):
+        tick_mark = Rectangle(int(WIDTH / 2) - 3, 10, 6, int(HEIGHT / 48))
+        vector.rotate(tick_mark, 360 / 60.0 * a, int(WIDTH / 2), int(HEIGHT / 2))
+        vector.translate(tick_mark, 0, 2)
+        vector.draw(tick_mark)
+
+    for a in range(12):
+        hour_mark = Rectangle(int(WIDTH / 2) - 5, 10, 10, int(HEIGHT / 10))
+        vector.rotate(hour_mark, 360 / 12.0 * a, int(WIDTH / 2), int(HEIGHT / 2))
+        vector.translate(hour_mark, 0, 2)
+        vector.draw(hour_mark)
+
+    angle_second = second * 6
+    second_hand_length = int(HEIGHT / 2) - int(HEIGHT / 8)
+    second_hand = Polygon((-2, -second_hand_length), (-2, int(HEIGHT / 8)), (2, int(HEIGHT / 8)), (2, -second_hand_length))
+    vector.rotate(second_hand, angle_second, 0, 0)
+    vector.translate(second_hand, int(WIDTH / 2), int(HEIGHT / 2) + 5)
+
+    angle_minute = minute * 6
+    angle_minute += second / 10.0
+    minute_hand_length = int(HEIGHT / 2) - int(HEIGHT / 24)
+    minute_hand = Polygon((-5, -minute_hand_length), (-10, int(HEIGHT / 16)), (10, int(HEIGHT / 16)), (5, -minute_hand_length))
+    vector.rotate(minute_hand, angle_minute, 0, 0)
+    vector.translate(minute_hand, int(WIDTH / 2), int(HEIGHT / 2) + 5)
+
+    angle_hour = (hour % 12) * 30
+    angle_hour += minute / 2
+    hour_hand_length = int(HEIGHT / 2) - int(HEIGHT / 8)
+    hour_hand = Polygon((-5, -hour_hand_length), (-10, int(HEIGHT / 16)), (10, int(HEIGHT / 16)), (5, -hour_hand_length))
+    vector.rotate(hour_hand, angle_hour, 0, 0)
+    vector.translate(hour_hand, int(WIDTH / 2), int(HEIGHT / 2) + 5)
+
+    display.set_pen(GREY)
+
+    vector.draw(minute_hand)
+    vector.draw(hour_hand)
+    vector.draw(second_hand)
+
+    display.set_pen(BLACK)
+
+    for a in range(60):
+        tick_mark = Rectangle(int(WIDTH / 2) - 3, 10, 6, int(HEIGHT / 48))
+        vector.rotate(tick_mark, 360 / 60.0 * a, int(WIDTH / 2), int(HEIGHT / 2))
+        vector.draw(tick_mark)
+
+    for a in range(12):
+        hour_mark = Rectangle(int(WIDTH / 2) - 5, 10, 10, int(HEIGHT / 10))
+        vector.rotate(hour_mark, 360 / 12.0 * a, int(WIDTH / 2), int(HEIGHT / 2))
+        vector.draw(hour_mark)
+
+    vector.translate(minute_hand, 0, -5)
+    vector.translate(hour_hand, 0, -5)
+    vector.draw(minute_hand)
+    vector.draw(hour_hand)
+
+    display.set_pen(RED)
+    vector.translate(second_hand, 0, -5)
+    vector.draw(second_hand)
+    vector.draw(hub)
+
+    display.update()
+    gc.collect()
+
+    t_end = time.ticks_ms()
+    print(f"Took {t_end - t_start}ms")

micropython/examples/tufty2040/vector_spectrometer.py

@@ -0,0 +1,118 @@
+import math
+import time
+from pimoroni_i2c import PimoroniI2C
+from breakout_as7262 import BreakoutAS7262
+from picographics import PicoGraphics, DISPLAY_TUFTY_2040, PEN_RGB332
+from picovector import PicoVector, Polygon, RegularPolygon, ANTIALIAS_X4
+
+PINS_TUFTY_2040 = {"sda": 4, "scl": 5}
+i2c = PimoroniI2C(**PINS_TUFTY_2040)
+
+# Set up the AS7262 Spectrometer
+as7262 = BreakoutAS7262(i2c)
+as7262.set_gain(BreakoutAS7262.X16)
+as7262.set_measurement_mode(BreakoutAS7262.CONT_ROYGBR)
+as7262.set_illumination_current(BreakoutAS7262.MA12)
+as7262.set_indicator_current(BreakoutAS7262.MA4)
+as7262.set_leds(True, True)
+
+# Set up the display
+display = PicoGraphics(DISPLAY_TUFTY_2040, pen_type=PEN_RGB332)
+display.set_backlight(0.8)
+
+# Set up PicoVector
+vector = PicoVector(display)
+vector.set_antialiasing(ANTIALIAS_X4)
+
+# Load an Alright Font, find this in common/AdvRe.af
+result = vector.set_font("/AdvRe.af", 30)
+
+WIDTH, HEIGHT = display.get_bounds()
+
+CENTER_X = int(WIDTH / 2)
+CENTER_Y = int(HEIGHT / 2)
+
+RADIUS = 90
+DEBUG = False
+
+RED = display.create_pen(255, 0, 0)
+ORANGE = display.create_pen(255, 128, 0)
+YELLOW = display.create_pen(255, 255, 0)
+GREEN = display.create_pen(0, 255, 0)
+BLUE = display.create_pen(0, 0, 255)
+VIOLET = display.create_pen(255, 0, 255)
+
+BLACK = display.create_pen(0, 0, 0)
+GREY = display.create_pen(128, 128, 128)
+WHITE = display.create_pen(255, 255, 255)
+
+LABELS = ["R", "O", "Y", "G", "B", "V"]
+COLS = [RED, ORANGE, YELLOW, GREEN, BLUE, VIOLET]
+
+
+# Custom regular_polygon function to give each point its own "radius"
+def regular_polygon(o_x, o_y, radius, rotation):
+    sides = 6
+    angle = math.radians(360 / sides)
+    rotation = math.radians(rotation)
+
+    points = []
+
+    for side in range(sides):
+        current_angle = side * angle + rotation
+        x = math.cos(current_angle) * radius[side]
+        y = math.sin(current_angle) * radius[side]
+        points.append((int(x) + o_x, int(y) + o_y))
+
+    return points
+
+
+lines = RegularPolygon(CENTER_X, CENTER_Y, 6, RADIUS)
+label_points = list(RegularPolygon(CENTER_X, CENTER_Y, 6, RADIUS * 0.7, -(360 / 12)))
+
+
+while True:
+    # Clear to black
+    display.set_pen(BLACK)
+    display.clear()
+
+    # Add the title
+    display.set_pen(WHITE)
+    vector.text("Spectrograph", 5, -5)
+
+    # Get the spectrometer readings
+    reading = list(as7262.read())
+
+    # Print out the readings
+    if DEBUG:
+        for i in range(6):
+            print(f"{LABELS[i]}: {reading[i]:0.2f}", end=" ")
+        print("")
+
+    # Draw the lines separating each section
+    display.set_pen(GREY)
+    for (x, y) in lines:
+        display.line(CENTER_X, CENTER_Y, int(x), int(y))
+
+    # Scale readings for display
+    for i in range(6):
+        reading[i] = int(reading[i] / 3.0)
+        reading[i] = min(reading[i], RADIUS)
+
+    # Create a 6 point polygon with each points distance from the center
+    # scaled by the corresponding reading.
+    points = regular_polygon(CENTER_X, CENTER_Y, reading, 0)
+
+    # Split the polygon into six triangles, one for each channel
+    # draw each one, along with its corresponding label
+    point_a = points[-1]
+    for i in range(6):
+        point_b = points[i]
+        label_x, label_y = label_points[i]
+        display.set_pen(COLS[i])
+        vector.text(LABELS[i], int(label_x) - 5, int(label_y) - 20)
+        vector.draw(Polygon(point_a, point_b, (CENTER_X, CENTER_Y)))
+        point_a = point_b
+
+    display.update()
+    time.sleep(1.0 / 60)