Merge pull request adafruit#1567 from adafruit/funhouse_fume_extractor

Adding files for FunHouse Fume Extractor

Author: BlitzCityDIY

Diff for: FunHouse_Fume_Extractor/code.py

@@ -0,0 +1,193 @@
+import time
+import board
+import simpleio
+import adafruit_sgp30
+import displayio
+import adafruit_imageload
+from adafruit_emc2101 import EMC2101
+from adafruit_funhouse import FunHouse
+
+i2c = board.I2C()
+
+#  setup for SGP30 sensor
+sgp30 = adafruit_sgp30.Adafruit_SGP30(i2c)
+#  setup for fan controller
+emc = EMC2101(i2c)
+
+print("SGP30 serial #", [hex(i) for i in sgp30.serial])
+
+#SGP30 start-up
+sgp30.iaq_init()
+sgp30.set_iaq_baseline(0x8973, 0x8AAE)
+
+#  FunHouse setup
+funhouse = FunHouse(default_bg=0x0F0F00)
+#  start-up bitmap
+bitmap, palette = adafruit_imageload.load("/scene1_fume.bmp",
+                                         bitmap=displayio.Bitmap,
+                                         palette=displayio.Palette)
+tile_grid = displayio.TileGrid(bitmap, pixel_shader=palette)
+#  connecting bitmap
+bitmap2, palette2 = adafruit_imageload.load("/scene2_fume.bmp",
+                                         bitmap=displayio.Bitmap,
+                                         palette=displayio.Palette)
+grid2 = displayio.TileGrid(bitmap2, pixel_shader=palette2)
+#  default background
+bitmap3, palette3 = adafruit_imageload.load("/scene3_fume.bmp",
+                                         bitmap=displayio.Bitmap,
+                                         palette=displayio.Palette)
+grid3 = displayio.TileGrid(bitmap3, pixel_shader=palette3)
+#  internet connection icon
+bitmap4, palette4 = adafruit_imageload.load("/connect_icon.bmp",
+                                         bitmap=displayio.Bitmap,
+                                         palette=displayio.Palette)
+icon1 = displayio.TileGrid(bitmap4, pixel_shader=palette4, x = 2, y = 2)
+#  red x icon
+bitmap5, palette5 = adafruit_imageload.load("/x_icon.bmp",
+                                         bitmap=displayio.Bitmap,
+                                         palette=displayio.Palette)
+icon2 = displayio.TileGrid(bitmap5, pixel_shader=palette5, x = 2, y = 2)
+#  display group
+group = displayio.Group()
+#  adding start-up bitmap to group
+group.append(tile_grid)
+funhouse.splash.append(group)
+#  text for fume data
+fume_text = funhouse.add_text(
+    text="    ",
+    text_position=(110, 90),
+    text_anchor_point=(0.5, 0.5),
+    text_color=0xf57f20,
+    text_font="fonts/Arial-Bold-24.pcf",
+)
+#  text for fan RPM data
+fan_text = funhouse.add_text(
+    text="    ",
+    text_position=(110, 165),
+    text_anchor_point=(0.5, 0.5),
+    text_color=0x7fffff,
+    text_font="fonts/Arial-Bold-24.pcf",
+)
+#  showing graphics
+funhouse.display.show(funhouse.splash)
+
+#  state machines
+run = False #  state if main code is running
+connected = False #  checks if connected to wifi
+start_up = False #  state for start-up
+clock = 0 #  time.monotonic() device
+
+#  function for sending fume data to adafruit.io
+def send_fume_data(solder_fumes):
+    funhouse.network.push_to_io("fumes", solder_fumes)
+
+#  function for sending fan rpm to adafruit.io
+def send_fan_data(fan_rpm):
+    funhouse.network.push_to_io("fan-speed", fan_rpm)
+
+while True:
+    #  if main program has not started
+    if not run:
+        #  if you press the down button
+        if funhouse.peripherals.button_down:
+            print("run")
+            #  remove start-up bitmap
+            group.remove(tile_grid)
+            #  add main bitmap
+            group.append(grid3)
+            #  add red x icon to show not connected to internet
+            group.append(icon2)
+            #  change state for main program
+            run = True
+        #  if you press the middle button
+        if funhouse.peripherals.button_sel:
+            #  remove start-up bitmap
+            group.remove(tile_grid)
+            #  add connecting... bitmap
+            group.append(grid2)
+            #  connect to the network
+            funhouse.network.connect()
+            print("connecting")
+            #  change state for network
+            connected = True
+            #  start main program
+            start_up = True
+            #  start time.monotonic()
+            clock = time.monotonic()
+        #  after connecting to the internet
+        if start_up:
+            #  remove connecting bitmap
+            group.remove(grid2)
+            #  add main bitmap
+            group.append(grid3)
+            #  add internet icon
+            group.append(icon1)
+            #  start main program
+            run = True
+            #  reset start-up state
+            start_up = False
+
+    #  run state for main program after selecting whether or not to connect to wifi
+    if run:
+        #  print eCO2 and TVOC data to REPL
+        print("eCO2 = %d ppm \t TVOC = %d ppb" % (sgp30.eCO2, sgp30.TVOC))
+        #  2 second delay
+        time.sleep(2)
+
+        #  fumes variable for reading from SGP30
+        #  comment out either TVOC or eCO2 depending on data preference
+        fumes = sgp30.TVOC
+        #  fumes = sgp30.eCO2
+
+        #  mapping fumes data to fan RPM
+        #  value for TVOC
+        mapped_val = simpleio.map_range(fumes, 10, 1000, 10, 100)
+        #  value for eCO2
+        #  mapped_val = simpleio.map_range(fumes, 400, 2500, 10, 100)
+
+        #  adding fume text
+        #  PPB is for TVOC, PPM is for eCO2
+        funhouse.set_text("%d PPB" % fumes, fume_text)
+        #  funhouse.set_text("%d PPM" % fumes, fume_text)
+
+        #  adding fan's RPM text
+        funhouse.set_text("%d%s" % (mapped_val, "%"), fan_text)
+        #  printing fan's data to the REPL
+        print("fan = ", mapped_val)
+        #  setting fan's RPM
+        emc.manual_fan_speed = int(mapped_val)
+
+        #  if you're connected to wifi and 15 seconds has passed
+        if connected and ((clock + 15) < time.monotonic()):
+            #  send fume data to adafruit.io
+            send_fume_data(fumes)
+            #  send fan RPM to adafruit.io
+            send_fan_data(mapped_val)
+            #  REPL printout
+            print("data sent")
+            #  reset clock
+            clock = time.monotonic()
+        #  if you're connected to wifi and you press the up button
+        if connected and funhouse.peripherals.button_up:
+            #  the internet icon is removed
+            group.remove(icon1)
+            #  the red x icon is added
+            group.append(icon2)
+            #  reset connected state - no longer sending data to adafruit.io
+            connected = False
+            #  REPL printout
+            print("disconnected")
+            #  1 second delay
+            time.sleep(1)
+        #  if you're NOT connected to wifi and you press the up button
+        if not connected and funhouse.peripherals.button_up:
+            #  the red x icon is removed
+            group.remove(icon2)
+            #  the internet icon is added
+            group.append(icon1)
+            #  the connection state is true - start sending data to adafruit.io
+            connected = True
+            #  REPL printout
+            print("connected")
+            #  1 second delay
+            time.sleep(1)