Merge pull request adafruit#1137 from ladyada/master

demo code for RGB matrix

Author: ladyada

Say_Their_Names_LEDMatrix/code.py

@@ -0,0 +1,196 @@
+import time
+import board
+import displayio
+import framebufferio
+import rgbmatrix
+import terminalio
+import adafruit_display_text.label
+
+names = [
+    "Rodney King",
+    "Abner Louima",
+    "Amadou Diallo",
+    "Sean Bell",
+    "Oscar Grant",
+    "Eric Garner",
+    "Michael Brown",
+    "Laquan McDonald",
+    "Freddie Gray",
+    "Antwon Rose Jr",
+    "Ahmaud Arbery",
+    "Breonna Taylor",
+    "John Crawford III",
+    "Ezell Ford",
+    "Dante Parker",
+    "Michelle Cusseaux",
+    "Laquan Mcdonald",
+    "George Mann",
+    "Tanisha Anderson",
+    "Akai Gurley",
+    "Tamir Rice",
+    "Rumain Brisbon",
+    "Jerame Reid",
+    "Matthew Ajibade",
+    "Frank Smart",
+    "Nastasha McKenna",
+    "Tony Robinson",
+    "Anthony Hill",
+    "Mya Hall",
+    "Phillip White",
+    "Eric Harris",
+    "Walter Scott",
+    "William Chapman II",
+    "Alexia Christian",
+    "Brendon Glenn",
+    "Victor Maunel Larosa",
+    "Jonathan Sanders",
+    "Freddie Blue",
+    "Joseph Mann",
+    "Salvado Ellswood",
+    "Sanda Bland",
+    "Albert Joseph Davis",
+    "Darrius Stewart",
+    "Billy Ray Davis",
+    "Samuel Dubose",
+    "Michael Sabbie",
+    "Brian Keith Day",
+    "Christian Taylor",
+    "Troy Robinson",
+    "Asshams Pharoah Manley",
+    "Felix Kumi",
+    "Keith Harrison Mcleod",
+    "Junior Prosper",
+    "Lamontez Jones",
+    "Paterson Brown",
+    "Dominic Hutchinson",
+    "Anthony Ashford",
+    "Alonzo Smith",
+    "Tyree Crawford",
+    "India Kager",
+    "La'vante Biggs",
+    "Michael Lee Marshall",
+    "Jamar Clark",
+    "Richard Perkins",
+    "Nathaniel Harris Pickett",
+    "Benni Lee Tignor",
+    "Miguel Espinal",
+    "Michael Noel",
+    "Kevin Matthews",
+    "Bettie Jones",
+    "Quintonio Legrier",
+    "Keith Childress Jr",
+    "Janet Wilson",
+    "Randy Nelson",
+    "Antronie Scott",
+    "Wendell Celestine",
+    "David Joseph",
+    "Calin Roquemore",
+    "Dyzhawn Perkins",
+    "Christoper Davis",
+    "Marco Loud",
+    "Peter Gaines",
+    "Torry Robison",
+    "Darius Robinson",
+    "Kevin Hicks",
+    "Mary Truxillo",
+    "Demarcus Semer",
+    "Willie Tillman",
+    "Terrill Thomas",
+    "Sylville Smith",
+    "Sean Reed",
+    "Alton Streling",
+    "Philando Castile",
+    "Terence Crutcher",
+    "Paul O'Neal",
+    "Alteria Woods",
+    "Jordan Edwards",
+    "Aaron Bailey",
+    "Ronell Foster",
+    "Stephon Clark",
+    "Antwon Rose II",
+    "Botham Jean",
+    "Pamela Turner",
+    "Dominique Clayton",
+    "Atatiana Jefferson",
+    "Christopher Whitfield",
+    "Christopher Mccovey",
+    "Eric Reason",
+    "Michael Lorenzo Dean",
+    "Tony McDade",
+    "David McAtee",
+    "George Floyd",
+]
+
+displayio.release_displays()
+matrix = rgbmatrix.RGBMatrix(
+    width=64,
+    bit_depth=4,
+    rgb_pins=[board.D6, board.D5, board.D9, board.D11, board.D10, board.D12],
+    addr_pins=[board.A5, board.A4, board.A3, board.A2],
+    clock_pin=board.D13,
+    latch_pin=board.D0,
+    output_enable_pin=board.D1,
+)
+display = framebufferio.FramebufferDisplay(matrix)
+
+# Create a 3 line set of small font text
+blm_font = [None, None, None]
+for line in range(3):
+    label = adafruit_display_text.label.Label(
+        terminalio.FONT, color=0xFFFFFF, x=2, y=line * 10 - 2, max_glyphs=16
+    )
+    blm_font[line] = label
+
+# Create a 2 line set of font text
+names_font = [None, None]
+for line in range(2):
+    label = adafruit_display_text.label.Label(
+        terminalio.FONT,
+        color=0xFFFFFF,
+        x=36,
+        y=line * 14,  # these will center text when anchor is top-middle
+        max_glyphs=16,
+    )
+    label.anchor_point = (0.5, 0)
+    names_font[line] = label
+
+g = displayio.Group(max_size=10)
+for line in blm_font:
+    g.append(line)
+for line in names_font:
+    g.append(line)
+display.show(g)
+
+
+while True:
+    # show three small font lines in white
+    for line in blm_font:
+        line.color = 0xFFFFFF
+    # set up text
+    blm_font[0].text = "BLACK"
+    blm_font[1].text = "LIVES"
+    blm_font[2].text = "MATTER"
+    time.sleep(1)
+
+    blm_font[1].color = blm_font[2].color = 0  # hide lines 2&3
+    time.sleep(1)
+    blm_font[1].color = 0xFFFFFF  # show middle line
+    blm_font[0].color = blm_font[2].color = 0  # hide lines 1&3
+    time.sleep(1)
+    blm_font[2].color = 0xFFFFFF  # show last line
+    blm_font[0].color = blm_font[1].color = 0  # hide lines 1&2
+    time.sleep(1)
+
+    # hide the three small text lines
+    for line in blm_font:
+        line.color = 0
+    time.sleep(1)
+
+    for name in names:
+        # say their names!
+        print(name)
+        lines = name.split(" ")
+        names_font[0].text = lines[0]
+        names_font[1].text = lines[1]
+        time.sleep(5)
+    names_font[0].text = names_font[1].text = ""