Add PyPortal Tides code

PyPortal_Tides/pp_tides.py

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+import time
+import board
+from adafruit_pyportal import PyPortal
+from adafruit_bitmap_font import bitmap_font
+from adafruit_display_text.label import Label
+
+#--| USER CONFIG |--------------------------
+STATION_ID = "9447130"   # tide location, find yours here: https://tidesandcurrents.noaa.gov/
+HI_COLOR   = 0x00FF00    # high tide times color
+LO_COLOR   = 0x11FFFF    # low tide times color
+DATE_COLOR = 0xFFFFFF    # date and time color
+#-------------------------------------------
+
+DATA_SOURCE = "https://tidesandcurrents.noaa.gov/api/datagetter?date=today&product=predictions&datum=mllw&interval=hilo&format=json&units=metric&time_zone=lst_ldt&station="+STATION_ID
+DATA_LOCATION = ["predictions"]
+
+# determine the current working directory needed so we know where to find files
+cwd = ("/"+__file__).rsplit('/', 1)[0]
+pyportal = PyPortal(url=DATA_SOURCE,
+                    json_path=DATA_LOCATION,
+                    status_neopixel=board.NEOPIXEL,
+                    default_bg=cwd+"/tides_bg.bmp")
+
+# Connect to the internet and get local time
+pyportal.get_local_time()
+
+# Setup tide times font
+tide_font = bitmap_font.load_font(cwd+"/fonts/cq-mono-30.bdf")
+tide_font.load_glyphs(b'1234567890:')
+
+# Setup date and time font
+date_font = bitmap_font.load_font(cwd+"/fonts/Arial-12.bdf")
+date_font.load_glyphs(b'1234567890-')
+
+# Labels setup
+HI_LABELS = [ Label(tide_font, text="00:00", color=HI_COLOR, x= 40, y= 80) ,
+              Label(tide_font, text="00:00", color=HI_COLOR, x= 40, y=165) ]
+LO_LABELS = [ Label(tide_font, text="00:00", color=LO_COLOR, x=180, y= 80) ,
+              Label(tide_font, text="00:00", color=LO_COLOR, x=180, y=165) ]
+DATE_LABEL = Label(date_font, text="0000-00-00 00:00:00", color=DATE_COLOR, x=75, y=228)
+
+# Add all the labels to the display
+for label in HI_LABELS + LO_LABELS + [DATE_LABEL]:
+    pyportal.splash.append(label)
+
+def get_tide_info():
+    """Fetch JSON tide time info and return it."""
+
+    # Get raw JSON data
+    raw_info = pyportal.fetch()
+
+    # Return will be a dictionary of lists containing tide times
+    tide_info = {"H":[], "L":[]}
+
+    # Parse out the tide time info
+    for info in raw_info:
+        tide_type = info["type"]
+        tide_time = info["t"].split(" ")[1]
+        tide_info[tide_type].append(tide_time)
+
+    return tide_info
+
+def update_display(current_time, update_tides=False):
+    """Update the display with current info."""
+
+    # Tide time info
+    if update_tides:
+        # out with the old
+        for label in HI_LABELS + LO_LABELS:
+            label.text = ""
+        # in with the new
+        for i, hi_time in enumerate(tide_info["H"]):
+            HI_LABELS[i].text = hi_time
+        for i, lo_time in enumerate(tide_info["L"]):
+            LO_LABELS[i].text = lo_time
+
+    # Date and time
+    DATE_LABEL.text = "{:04}-{:02}-{:02} {:02}:{:02}:{:02}".format(current_time.tm_year,
+                                                                   current_time.tm_mon,
+                                                                   current_time.tm_mday,
+                                                                   current_time.tm_hour,
+                                                                   current_time.tm_min,
+                                                                   current_time.tm_sec)
+
+    board.DISPLAY.refresh_soon()
+
+# First run update
+tide_info = get_tide_info()
+current_time = time.localtime()
+update_display(current_time, True)
+current_yday = current_time.tm_yday
+
+# Update daily
+while True:
+    current_time = time.localtime()
+    new_tides = False
+    if current_time.tm_yday != current_yday:
+        # new day, time to update
+        tide_info = get_tide_info()
+        new_tides = True
+        current_yday = current_time.tm_yday
+    update_display(current_time, new_tides)
+    time.sleep(0.5)

PyPortal_Tides/pp_tides_graphical.py

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+import time
+import board
+import displayio
+from adafruit_pyportal import PyPortal
+from adafruit_bitmap_font import bitmap_font
+from adafruit_display_text.label import Label
+
+#--| USER CONFIG |--------------------------
+STATION_ID = "9447130"   # tide location, find yours here: https://tidesandcurrents.noaa.gov/
+PLOT_SIZE = 2            # tide plot thickness
+PLOT_COLOR = 0x00FF55    # tide plot color
+MARK_SIZE = 6            # current time marker size
+MARK_COLOR = 0xFF0000    # current time marker color
+DATE_COLOR = 0xE0CD1A    # date text color
+TIME_COLOR = 0xE0CD1A    # time text color
+VSCALE = 20              # vertical plot scale
+#-------------------------------------------
+
+DATA_SOURCE = "https://tidesandcurrents.noaa.gov/api/datagetter?date=today&product=predictions&datum=mllw&format=json&units=metric&time_zone=lst_ldt&station="+STATION_ID
+DATA_LOCATION = ["predictions"]
+
+WIDTH = board.DISPLAY.width
+HEIGHT = board.DISPLAY.height
+
+# determine the current working directory needed so we know where to find files
+cwd = ("/"+__file__).rsplit('/', 1)[0]
+pyportal = PyPortal(url=DATA_SOURCE,
+                    json_path=DATA_LOCATION,
+                    status_neopixel=board.NEOPIXEL,
+                    default_bg=cwd+"/tides_bg_graph.bmp")
+
+# Connect to the internet and get local time
+pyportal.get_local_time()
+
+# Setup palette used for plot
+palette = displayio.Palette(3)
+palette[0] = 0x0
+palette[1] = PLOT_COLOR
+palette[2] = MARK_COLOR
+palette.make_transparent(0)
+
+# Setup tide plot bitmap
+tide_plot = displayio.Bitmap(WIDTH, HEIGHT, 3)
+pyportal.splash.append(displayio.TileGrid(tide_plot, pixel_shader=palette))
+
+# Setup font used for date and time
+date_font = bitmap_font.load_font(cwd+"/fonts/mono-bold-8.bdf")
+date_font.load_glyphs(b'1234567890-')
+
+# Setup date label
+date_label = Label(date_font, text="0000-00-00", color=DATE_COLOR, x=7, y=14)
+pyportal.splash.append(date_label)
+
+# Setup time label
+time_label = Label(date_font, text="00:00:00", color=TIME_COLOR, x=234, y=14)
+pyportal.splash.append(time_label)
+
+# Setup current time marker
+time_marker_bitmap = displayio.Bitmap(MARK_SIZE, MARK_SIZE, 3)
+for i in range(MARK_SIZE * MARK_SIZE):
+    time_marker_bitmap[i] = 2
+time_marker = displayio.TileGrid(time_marker_bitmap, pixel_shader=palette, x=-MARK_SIZE, y=-MARK_SIZE)
+pyportal.splash.append(time_marker)
+
+def get_tide_data():
+    """Fetch JSON tide data and return parsed results in a list."""
+
+    # Get raw JSON data
+    raw_data = pyportal.fetch()
+
+    # Results will be stored in a list that is display WIDTH long
+    tide_data = [None]*WIDTH
+
+    # Convert raw data to display coordinates
+    for data in raw_data:
+        d, t = data["t"].split(" ") # date and time
+        h, m = t.split(":")         # hours and minutes
+        v = data["v"]               # water level
+        x = round( (WIDTH - 1) * (60 * float(h) + float(m)) / 1440 )
+        y = (HEIGHT // 2) - round(VSCALE * float(v))
+        y = 0 if y < 0 else y
+        y = HEIGHT-1 if y >= HEIGHT else y
+        tide_data[x] = y
+
+    return tide_data
+
+def draw_data_point(x, y, size=PLOT_SIZE, color=1):
+    """Draw data point on to the tide plot bitmap at (x,y)."""
+    if y is None:
+        return
+    offset = size // 2
+    for xx in range(x-offset, x+offset+1):
+        for yy in range(y-offset, y+offset+1):
+            try:
+                tide_plot[xx, yy] = color
+            except IndexError:
+                pass
+
+def draw_time_marker(current_time):
+    """Draw a marker on the tide plot for the current time."""
+    h = current_time.tm_hour
+    m = current_time.tm_min
+    x = round( (WIDTH - 1) * (60 * float(h) + float(m)) / 1440 )
+    y = tide_data[x]
+    if y is not None:
+        x -= MARK_SIZE // 2
+        y -= MARK_SIZE // 2
+        time_marker.x = x
+        time_marker.y = y
+
+def update_display(current_time, update_tides=False):
+    """Update the display with current info."""
+
+    # Tide data plot
+    if update_tides:
+        # out with the old
+        for i in range(WIDTH * HEIGHT):
+            tide_plot[i] = 0
+        # in with the new
+        for x in range(WIDTH):
+            draw_data_point(x, tide_data[x])
+
+    # Current location marker
+    draw_time_marker(current_time)
+
+    # Date and time
+    date_label.text = "{:04}-{:02}-{:02}".format(current_time.tm_year,
+                                                 current_time.tm_mon,
+                                                 current_time.tm_mday)
+    time_label.text = "{:02}:{:02}:{:02}".format(current_time.tm_hour,
+                                                 current_time.tm_min,
+                                                 current_time.tm_sec)
+
+    board.DISPLAY.refresh_soon()
+
+# First run update
+tide_data = get_tide_data()
+current_time = time.localtime()
+update_display(current_time, True)
+current_yday = current_time.tm_yday
+
+# Run forever
+while True:
+    current_time = time.localtime()
+    new_tides = False
+    if current_time.tm_yday != current_yday:
+        # new day, time to update
+        tide_data = get_tide_data()
+        new_tides = True
+        current_yday = current_time.tm_yday
+    update_display(current_time, new_tides)
+    time.sleep(0.5)