matrix bicolor ported, tested, linted

Author: mikeysklar

Matrix_7-Segment_LED_Backpack_Raspberry_Pi/matrix8x8_test.py

@@ -23,7 +23,7 @@
 
     # illuminate a column one LED at a time
     while col < col_max:
-        matrix[row, col] = 1
+        matrix[row, col] = 2
         col += 1
         time.sleep(.2)
 

Matrix_7-Segment_LED_Backpack_Raspberry_Pi/matrix_bicolor_test.py

@@ -0,0 +1,68 @@
+# Import all pins
+import time
+import board
+import busio
+from adafruit_ht16k33 import matrix
+
+# Create the I2C interface
+i2c = busio.I2C(board.SCL, board.SDA)
+
+# Create the LED bargraph class.
+bicolor = matrix.Matrix8x8x2(i2c)
+
+# color mapping shortcut
+OFF = 0
+GREEN = 1
+RED = 2
+YELLOW = 3
+
+# Set individual segments of the bicolor matrix
+# Illuminate the first three pixels
+bicolor[0,0] = GREEN
+bicolor[0,1] = RED
+bicolor[0,2] = YELLOW
+
+time.sleep(2)
+
+# Edges of an 8x8 matrix
+col_max = 8
+row_max = 8
+
+# Turn all pixels off
+bicolor.fill(OFF)
+col = 0
+row = 0
+
+# Illuminate each pixel with each color
+while row < row_max:
+
+    # Turn them on in a loop
+    while col < col_max:
+        bicolor[row, col] = RED
+        time.sleep(.25)
+        bicolor[row, col] = GREEN
+        time.sleep(.25)
+        bicolor[row, col] = YELLOW
+        time.sleep(.25)
+        col += 1
+
+    # next row when previous column is full
+    if row < row_max:
+        row += 1
+        col = 0
+
+    # clear matrix, start over
+    else:
+        row = col = 0
+        bicolor.fill(OFF)
+
+time.sleep(1)
+
+# Fill the entrire display, with each color
+bicolor.fill(GREEN)
+time.sleep(1)
+bicolor.fill(RED)
+time.sleep(1)
+bicolor.fill(YELLOW)
+time.sleep(1)
+bicolor.fill(OFF)