Merge pull request adafruit#1064 from jedgarpark/clue-hand-wash-timer

first commit

Author: jedgarpark

CLUE_Hand_Wash_Timer/clue_hand_wash_timer.py

@@ -0,0 +1,88 @@
+"""
+Start a 20 second hand washing timer via proximity sensor.
+Countdown the seconds with text and beeps.
+Display a bitmaps for waiting and washing modes.
+"""
+
+import time
+import board
+from adafruit_clue import clue
+from adafruit_display_text import label
+from adafruit_bitmap_font import bitmap_font
+import displayio
+import pulseio
+
+clue.display.brightness = 0.8
+clue_display = displayio.Group(max_size=4)
+
+# draw the background image
+wash_on_file = open("wash_on.bmp", "rb")
+wash_on_bmp = displayio.OnDiskBitmap(wash_on_file)
+wash_on_sprite = displayio.TileGrid(wash_on_bmp, pixel_shader=displayio.ColorConverter())
+clue_display.append(wash_on_sprite)
+
+# draw the foreground image
+wash_off_file = open("wash_off.bmp", "rb")
+wash_off_bmp = displayio.OnDiskBitmap(wash_off_file)
+wash_off_sprite = displayio.TileGrid(wash_off_bmp, pixel_shader=displayio.ColorConverter())
+clue_display.append(wash_off_sprite)
+
+
+# Create text
+# first create the group
+text_group = displayio.Group(max_size=5, scale=1)
+# Make a label
+title_font = bitmap_font.load_font("/font/RacingSansOne-Regular-38.bdf")
+title_font.load_glyphs("HandWashTimer".encode('utf-8'))
+title_label = label.Label(title_font, text="Hand Wash", color=0x001122)
+# Position the label
+title_label.x = 10
+title_label.y = 16
+# Append label to group
+text_group.append(title_label)
+
+title2_label = label.Label(title_font, text="Timer", color=0x001122)
+# Position the label
+title2_label.x = 6
+title2_label.y = 52
+# Append label to group
+text_group.append(title2_label)
+
+timer_font = bitmap_font.load_font("/font/RacingSansOne-Regular-29.bdf")
+timer_font.load_glyphs("0123456789ADSWabcdefghijklmnopqrstuvwxyz:!".encode('utf-8'))
+timer_label = label.Label(timer_font, text="Wave to start", color=0x4f3ab1, max_glyphs=15)
+timer_label.x = 24
+timer_label.y = 100
+text_group.append(timer_label)
+
+clue_display.append(text_group)
+clue.display.show(clue_display)
+
+def countdown(seconds):
+    for i in range(seconds):
+        buzzer.duty_cycle = 2**15
+        timer_label.text = ("Scrub time:  {}".format(seconds-i))
+        buzzer.duty_cycle = 0
+        time.sleep(1)
+    timer_label.text = ("Done!")
+    wash_off_sprite.x = 0
+    buzzer.duty_cycle = 2**15
+    time.sleep(0.3)
+    buzzer.duty_cycle = 0
+    timer_label.x = 24
+    timer_label.y = 100
+    timer_label.text = ("Wave to start")
+
+# setup buzzer
+buzzer = pulseio.PWMOut(board.SPEAKER, variable_frequency=True)
+buzzer.frequency = 1000
+
+while True:
+    # print("Distance: {}".format(clue.proximity))  # use to test the sensor
+    if clue.proximity > 1:
+        timer_label.x = 12
+        timer_label.y = 226
+        timer_label.text = "Scrub Away!"
+        wash_off_sprite.x = 300
+        time.sleep(2)
+        countdown(20)