Merge pull request #1934 from makermelissa/main

Nunchuck Laser code improvements

Author: TheKitty

Nunchuck_Laser/code.py

@@ -9,9 +9,10 @@
 import adafruit_pca9685
 import adafruit_motor.servo
 
-PITCH_OFFSET = 45    # The offset for the pitch
-PITCH_RANGE = 90     # The range the servo can rotate up and down in degrees
-YAW_RANGE = 90       # The range the servo can rotate side to side in degrees
+PITCH_OFFSET = 45  # The offset for the pitch
+PITCH_RANGE = 90  # The range the servo can rotate up and down in degrees
+YAW_RANGE = 90  # The range the servo can rotate side to side in degrees
+INVERT_PITCH = False
 
 # STEMMA QT 3V needs to be activated
 i2c_power = digitalio.DigitalInOut(board.I2C_POWER)
@@ -32,16 +33,25 @@
 min_pitch_angle = PITCH_OFFSET + (PITCH_RANGE / 2)
 max_pitch_angle = PITCH_OFFSET + 180 - (PITCH_RANGE / 2)
 
+pitch_inputs = [0, 255]
+if INVERT_PITCH:  # Swap the Min and Max Values
+    pitch_inputs[0], pitch_inputs[1] = pitch_inputs[1], pitch_inputs[0]
+
+brightness = 0xFFFF  # Initial brightness value
+
 while True:
     x, y = nc.joystick
     servo_yaw.angle = simpleio.map_range(255 - x, 0, 255, min_yaw_angle, max_yaw_angle)
-    servo_pitch.angle = simpleio.map_range(y, 0, 255, min_pitch_angle, max_pitch_angle)
+    servo_pitch.angle = simpleio.map_range(
+        y, pitch_inputs[0], pitch_inputs[1], min_pitch_angle, max_pitch_angle
+    )
     ax = nc.acceleration[0]
 
-    if nc.buttons.Z: # Z-Button sets laser to full brightness
-        laser.duty_cycle = 0xFFFF
-    elif nc.buttons.C: # C-Button sets laser brightness depending on the roll position of your hand
-        laser.duty_cycle = int(simpleio.map_range(ax, 240, 750, 0, 0xFFFF))
-    else: # No button pressed sets laser to off
+    if nc.buttons.Z:  # Z-Button sets laser PWM to current brightness
+        laser.duty_cycle = brightness
+    elif nc.buttons.C:  # C-Button sets laser brightness to value of the nunchuck roll position
+        brightness = int(simpleio.map_range(ax, 250, 750, 0, 0xFFFF))
+        laser.duty_cycle = brightness
+    else:  # No button pressed sets laser to off
         laser.duty_cycle = 0
     time.sleep(0.01)