Merge pull request #95 from kattni/arcade-qt-example

Adding Arcade QT examples.

examples/seesaw_arcade_qt_multi_board.py

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+# SPDX-FileCopyrightText: 2022 Kattni Rembor for Adafruit Industries
+# SPDX-License-Identifier: MIT
+"""Arcade QT example for multiple boards that turns on button LED when button is pressed"""
+import board
+import digitalio
+from adafruit_seesaw.seesaw import Seesaw
+from adafruit_seesaw.digitalio import DigitalIO
+
+# For most boards.
+i2c = board.I2C()
+
+# For the QT Py RP2040, QT Py ESP32-S2, other boards that have SCL1/SDA1 as the STEMMA QT port.
+# import busio
+# i2c = busio.I2C(board.SCL1, board.SDA1)
+arcade_qt_one = Seesaw(i2c, addr=0x3A)
+arcade_qt_two = Seesaw(i2c, addr=0x3B)
+
+arcade_qts = (arcade_qt_one, arcade_qt_two)
+
+# Button pins in order (1, 2, 3, 4)
+button_pins = (18, 19, 20, 2)
+buttons = []
+for arcade_qt in arcade_qts:
+    for button_pin in button_pins:
+        button = DigitalIO(arcade_qt, button_pin)
+        button.direction = digitalio.Direction.INPUT
+        button.pull = digitalio.Pull.UP
+        buttons.append(button)
+
+# LED pins in order (1, 2, 3, 4)
+led_pins = (12, 13, 0, 1)
+leds = []
+for arcade_qt in arcade_qts:
+    for led_pin in led_pins:
+        led = DigitalIO(arcade_qt, led_pin)
+        led.direction = digitalio.Direction.OUTPUT
+        leds.append(led)
+
+while True:
+    for led_number, button in enumerate(buttons):
+        leds[led_number].value = not button.value

examples/seesaw_arcade_qt_simpletest.py

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+# SPDX-FileCopyrightText: 2022 Kattni Rembor for Adafruit Industries
+# SPDX-License-Identifier: MIT
+"""Arcade QT example that pulses the button LED on button press"""
+import time
+import board
+import digitalio
+from adafruit_seesaw.seesaw import Seesaw
+from adafruit_seesaw.digitalio import DigitalIO
+from adafruit_seesaw.pwmout import PWMOut
+
+# The delay on the PWM cycles. Increase to slow down the LED pulsing, decrease to speed it up.
+delay = 0.01
+
+# For most boards.
+i2c = board.I2C()
+
+# For the QT Py RP2040, QT Py ESP32-S2, other boards that have SCL1/SDA1 as the STEMMA QT port.
+# import busio
+# i2c = busio.I2C(board.SCL1, board.SDA1)
+arcade_qt = Seesaw(i2c, addr=0x3A)
+
+# Button pins in order (1, 2, 3, 4)
+button_pins = (18, 19, 20, 2)
+buttons = []
+for button_pin in button_pins:
+    button = DigitalIO(arcade_qt, button_pin)
+    button.direction = digitalio.Direction.INPUT
+    button.pull = digitalio.Pull.UP
+    buttons.append(button)
+
+# LED pins in order (1, 2, 3, 4)
+led_pins = (12, 13, 0, 1)
+leds = []
+for led_pin in led_pins:
+    led = PWMOut(arcade_qt, led_pin)
+    leds.append(led)
+
+while True:
+    for led_number, button in enumerate(buttons):
+        if not button.value:
+            for cycle in range(0, 65535, 8000):
+                leds[led_number].duty_cycle = cycle
+                time.sleep(delay)
+            for cycle in range(65534, 0, -8000):
+                leds[led_number].duty_cycle = cycle
+                time.sleep(delay)