Adding examples for ANO rotary encoder

examples/seesaw_ano_rotary_7segment_demo.py

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+# SPDX-FileCopyrightText: 2021 John Furcean
+# SPDX-License-Identifier: MIT
+
+"""I2C ANO rotary encoder with 7 segment display example."""
+
+import board
+from adafruit_ht16k33 import segments
+from adafruit_seesaw import seesaw, rotaryio, digitalio
+
+# For use with the STEMMA connector on QT Py RP2040
+# import busio
+# i2c = busio.I2C(board.SCL1, board.SDA1)
+# seesaw = seesaw.Seesaw(i2c, 0x49)
+
+i2c = board.I2C()  # uses board.SCL and board.SDA
+# i2c = board.STEMMA_I2C()  # For using the built-in STEMMA QT connector on a microcontroller
+seesaw = seesaw.Seesaw(i2c, addr=0x49)
+display = segments.Seg14x4(i2c, address=0x70)
+
+seesaw_product = (seesaw.get_version() >> 16) & 0xFFFF
+print(f"Found product {seesaw_product}")
+if seesaw_product != 5740:
+    print("Wrong firmware loaded?  Expected 5740")
+
+seesaw.pin_mode(1, seesaw.INPUT_PULLUP)
+seesaw.pin_mode(2, seesaw.INPUT_PULLUP)
+seesaw.pin_mode(3, seesaw.INPUT_PULLUP)
+seesaw.pin_mode(4, seesaw.INPUT_PULLUP)
+seesaw.pin_mode(5, seesaw.INPUT_PULLUP)
+
+select = digitalio.DigitalIO(seesaw, 1)
+select_held = False
+up = digitalio.DigitalIO(seesaw, 2)
+up_held = False
+left = digitalio.DigitalIO(seesaw, 3)
+left_held = False
+down = digitalio.DigitalIO(seesaw, 4)
+down_held = False
+right = digitalio.DigitalIO(seesaw, 5)
+right_held = False
+
+encoder = rotaryio.IncrementalEncoder(seesaw)
+last_position = None
+
+buttons = [select, up, left, down, right]
+button_names = ["Select", "Up", "Left", "Down", "Right"]
+button_states = [select_held, up_held, left_held, down_held, right_held]
+seven_segment_names = ["SELE", " UP ", "LEFT", "DOWN", "RIGH"]
+
+while True:
+    position = encoder.position
+
+    if position != last_position:
+        last_position = position
+        display.print(f"   {position}")
+        print(f"Position: {position}")
+
+    for b in range(5):
+        if not buttons[b].value and button_states[b] is False:
+            button_states[b] = True
+            display.print(seven_segment_names[b])
+            print(f"{button_names[b]} button pressed")
+
+        if buttons[b].value and button_states[b] is True:
+            button_states[b] = False
+            display.print("    ")
+            print(f"{button_names[b]} button released")

examples/seesaw_ano_rotary_simpletest.py

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+# SPDX-FileCopyrightText: 2021 John Furcean
+# SPDX-License-Identifier: MIT
+
+"""I2C ANO rotary encoder simple test example."""
+
+import board
+from adafruit_seesaw import seesaw, rotaryio, digitalio
+
+# For use with the STEMMA connector on QT Py RP2040
+# import busio
+# i2c = busio.I2C(board.SCL1, board.SDA1)
+# seesaw = seesaw.Seesaw(i2c, 0x49)
+
+i2c = board.I2C()  # uses board.SCL and board.SDA
+# i2c = board.STEMMA_I2C()  # For using the built-in STEMMA QT connector on a microcontroller
+seesaw = seesaw.Seesaw(i2c, addr=0x49)
+
+seesaw_product = (seesaw.get_version() >> 16) & 0xFFFF
+print(f"Found product {seesaw_product}")
+if seesaw_product != 5740:
+    print("Wrong firmware loaded?  Expected 5740")
+
+seesaw.pin_mode(1, seesaw.INPUT_PULLUP)
+seesaw.pin_mode(2, seesaw.INPUT_PULLUP)
+seesaw.pin_mode(3, seesaw.INPUT_PULLUP)
+seesaw.pin_mode(4, seesaw.INPUT_PULLUP)
+seesaw.pin_mode(5, seesaw.INPUT_PULLUP)
+
+select = digitalio.DigitalIO(seesaw, 1)
+select_held = False
+up = digitalio.DigitalIO(seesaw, 2)
+up_held = False
+left = digitalio.DigitalIO(seesaw, 3)
+left_held = False
+down = digitalio.DigitalIO(seesaw, 4)
+down_held = False
+right = digitalio.DigitalIO(seesaw, 5)
+right_held = False
+
+encoder = rotaryio.IncrementalEncoder(seesaw)
+last_position = None
+
+buttons = [select, up, left, down, right]
+button_names = ["Select", "Up", "Left", "Down", "Right"]
+button_states = [select_held, up_held, left_held, down_held, right_held]
+
+while True:
+    position = encoder.position
+
+    if position != last_position:
+        last_position = position
+        print(f"Position: {position}")
+
+    for b in range(5):
+        if not buttons[b].value and button_states[b] is False:
+            button_states[b] = True
+            print(f"{button_names[b]} button pressed")
+
+        if buttons[b].value and button_states[b] is True:
+            button_states[b] = False
+            print(f"{button_names[b]} button released")