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24 changes: 15 additions & 9 deletions examples/pcd8544_simpletest.py
Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand All @@ -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
Expand All @@ -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)
Expand All @@ -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)

Expand Down