diff --git a/examples/pcd8544_simpletest.py b/examples/pcd8544_simpletest.py index f636fad..b940a83 100644 --- a/examples/pcd8544_simpletest.py +++ b/examples/pcd8544_simpletest.py @@ -7,13 +7,19 @@ # Initialize SPI bus and control pins spi = busio.SPI(board.SCK, MOSI=board.MOSI) -dc = digitalio.DigitalInOut(board.D5) # data/command -cs = digitalio.DigitalInOut(board.D6) # Chip select -reset = digitalio.DigitalInOut(board.D7) # reset +dc = digitalio.DigitalInOut(board.D6) # data/command +cs = digitalio.DigitalInOut(board.D5) # Chip select +reset = digitalio.DigitalInOut(board.D9) # reset display = adafruit_pcd8544.PCD8544(spi, dc, cs, reset) -display.bias = 5 -display.contrast = 100 + +display.bias = 4 +display.contrast = 60 + +# Turn on the Backlight LED +backlight = digitalio.DigitalInOut(board.D10) # backlight +backlight.switch_to_output() +backlight.value = True print("Pixel test") # Clear the display. Always call show after changing pixels to make the display @@ -28,7 +34,7 @@ # Set a pixel in the opposite corner position. display.pixel(display.width-1, display.height-1, 1) display.show() -time.sleep(0.1) +time.sleep(2) print("Lines test") # we'll draw from corner to corner, lets define all the pair coordinates here @@ -41,7 +47,7 @@ display.line(corner_from[0], corner_from[1], corner_to[0], corner_to[1], 1) display.show() -time.sleep(0.1) +time.sleep(2) print("Rectangle test") display.fill(0) @@ -50,14 +56,14 @@ for i in range(11): display.rect(0, 0, int(w_delta*i), int(h_delta*i), 1) display.show() -time.sleep(0.1) +time.sleep(2) print("Text test") display.fill(0) display.text('hello world', 0, 0, 1) display.text('this is the', 0, 8, 1) display.text('CircuitPython', 0, 16, 1) -display.text('adafruit lib', 0, 24, 1) +display.text('adafruit lib-', 0, 24, 1) display.text('rary for the', 0, 32, 1) display.text('PCD8544! :) ', 0, 40, 1)