fix for adafruit_framebuf

Author: ladyada

examples/text.py

@@ -1,39 +1,46 @@
 import board
 import busio
-import framebuf
+import adafruit_framebuf
 import adafruit_is31fl3731
 
-buf = bytearray(32)
-
-with busio.I2C(board.SCL, board.SDA) as i2c:
-    # initial display using Feather CharlieWing LED 15 x 7
-    display = adafruit_is31fl3731.CharlieWing(i2c)
-    # uncomment line if you are using Adafruit 16x9 Charlieplexed PWM LED Matrix
-    #display = adafruit_is31fl3731.Matrix(i2c)
-
-    fb = framebuf.FrameBuffer(buf, display.width, display.height, framebuf.MONO_VLSB)
-    text_to_show = "Adafruit!!"
-    frame = 0 # start with frame 0
-    while True:
-        for i in range(len(text_to_show) * 9):
-            fb.fill(0)
-            fb.text(text_to_show, -i + display.width, 0)
-
-            # to improve the display flicker we can use two frame
-            # fill the next frame with scrolling text, then
-            # show it.
-            display.frame(frame, show=False)
-            # turn all LEDs off
-            display.fill(0)
-            for x in range(display.width):
-                # using the FrameBuffer text result
-                bite = buf[x]
-                for y in range(display.height):
-                    bit = 1 << y & bite
-                    # if bit > 0 then set the pixel brightness
-                    if bit:
-                        display.pixel(x, y, 50)
-
-            # now that the frame is filled, show it.
-            display.frame(frame, show=True)
-            frame = 0 if frame else 1
+
+i2c = busio.I2C(board.SCL, board.SDA)
+
+# initial display using Feather CharlieWing LED 15 x 7
+#display = adafruit_is31fl3731.CharlieWing(i2c)
+# uncomment line if you are using Adafruit 16x9 Charlieplexed PWM LED Matrix
+#display = adafruit_is31fl3731.Matrix(i2c)
+# uncomment line if you are using Adafruit 16x9 Charlieplexed PWM LED Matrix
+display = adafruit_is31fl3731.CharlieBonnet(i2c)
+
+text_to_show = "Adafruit!!"
+
+# Create a framebuffer for our display
+buf = bytearray(32)  # 2 bytes tall x 16 wide = 32 bytes (9 bits is 2 bytes)
+fb = adafruit_framebuf.FrameBuffer(buf, display.width, display.height, adafruit_framebuf.MVLSB)
+
+
+frame = 0 # start with frame 0
+while True:
+    for i in range(len(text_to_show) * 9):
+        fb.fill(0)
+        fb.text(text_to_show, -i + display.width, 0, color=1)
+        
+        # to improve the display flicker we can use two frame
+        # fill the next frame with scrolling text, then
+        # show it.
+        display.frame(frame, show=False)
+        # turn all LEDs off
+        display.fill(0)
+        for x in range(display.width):
+            # using the FrameBuffer text result
+            bite = buf[x]
+            for y in range(display.height):
+                bit = 1 << y & bite
+                # if bit > 0 then set the pixel brightness
+                if bit:
+                    display.pixel(x, y, 50)
+
+        # now that the frame is filled, show it.
+        display.frame(frame, show=True)
+        frame = 0 if frame else 1