port GFX pack examples

Author: helgibbons

micropython/examples/interstate75/75W/sunrise.py

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+'''
+sunrise.py
+This example is for Interstate 75 W, connected up to two chained 64 x 64 panels.
+It displays information from the Sunrise Sunset API:
+Find out more here - https://sunrise-sunset.org/api
+Also shows how to use a 16x16 animated sprite.
+'''
+import WIFI_CONFIG
+import time
+from math import radians, sin, cos
+from random import randint
+from interstate75 import Interstate75
+from network_manager import NetworkManager
+import ntptime
+import urequests
+import uasyncio
+import machine
+
+
+# Helper class so that the different formats of time can be converted into one comparable format
+# Makes up for the lack of a datetime module in MicroPython
+class TimeObj:
+    def __init__(self):
+        self.secs = 0
+        self.mins = 0
+        self.hours = 0
+        self.PM = False
+
+    # Returns time variables as a tuple (h, m, s)
+    def get_time(self):
+        pm_hrs = 0
+        if self.PM:
+            pm_hrs = 12
+        return (self.hours + pm_hrs, self.mins, self.secs)
+
+    # Returns time variables as a single string
+    def get_str(self):
+        h, m, s = self.get_time()
+        return "{0:02d}:{1:02d}:{2:02d}".format(h, m, s)
+
+    # Set time variables from the sunrise-sunset API
+    def parse_api(self, apiStr):
+        strsplit = apiStr.split()
+        if strsplit[1] == 'PM':
+            self.PM = True
+        timesplit = strsplit[0].split(':')
+        self.hours = int(timesplit[0])
+        self.mins = int(timesplit[1])
+        self.secs = int(timesplit[2])
+
+    # Set time variables form
+    def parse_localtime(self, localtpl):
+        yr, mo, dy, self.hours, self.mins, self.secs, un1, un2 = localtpl
+
+    # Returns number of seconds since midnight
+    def get_total_secs(self):
+        seconds = 0
+        if self.PM:
+            seconds += 43200  # seconds in the first 12 hours
+        seconds += (self.hours * 3600)
+        seconds += (self.mins * 60)
+        seconds += self.secs
+        return seconds
+
+
+# Instances of TimeObj helper class defined above
+sunrise_obj = TimeObj()
+sunset_obj = TimeObj()
+currenttime = TimeObj()
+
+# Coordinates for Sheffield-on-Sea, UK
+lng = -1.4659
+lat = 53.3829
+# Coordinates for LA, USA
+# lng = -118.2437
+# lat = 34.0522
+URL = 'https://api.sunrise-sunset.org/json?lat={0}&lng={1}&date=today'.format(lat, lng)
+rtc = machine.RTC()
+
+i75 = Interstate75(display=Interstate75.DISPLAY_INTERSTATE75_128X64)
+graphics = i75.display
+sys_status = "Starting"
+WIDTH, HEIGHT = graphics.get_bounds()
+
+BLACK = graphics.create_pen(0, 0, 0)
+WHITE = graphics.create_pen(200, 200, 200)
+HILLS_COLOUR_1 = graphics.create_pen(100, 100, 0)
+HILLS_COLOUR_2 = graphics.create_pen(100, 150, 0)
+HILLS_COLOUR_3 = graphics.create_pen(50, 150, 0)
+SUN_COLOUR = graphics.create_pen(255, 0, 0)
+
+# Generate hill heights
+hills1 = [randint(10, 18), randint(10, 18), randint(10, 18), randint(10, 18), randint(10, 18)]
+hills2 = [randint(10, 18), randint(10, 18)]
+hills3 = [randint(10, 18), randint(10, 18)]
+
+# Sprite information for sun icon
+sun = [
+    [
+        0b0000000100000000,
+        0b0000000000000000,
+        0b0010011111001000,
+        0b0000100000100000,
+        0b0001000000010000,
+        0b0010000000001000,
+        0b0010010001001000,
+        0b0010000100001000,
+        0b0010000000001000,
+        0b0010000000001000,
+        0b0001001110010000,
+        0b0000100000100000,
+        0b0010011111001000,
+        0b0000000000000000,
+        0b0000000100000000,
+        0b0000000000000000
+    ],
+    [
+        0b0000000000000000,
+        0b0100000000000100,
+        0b0000011111000000,
+        0b0000100000100000,
+        0b0001000000010000,
+        0b0010010001001000,
+        0b0010010001001000,
+        0b1010000100001010,
+        0b0010000000001000,
+        0b0010010001001000,
+        0b0001001110010000,
+        0b0000100000100000,
+        0b0000011111000000,
+        0b0100000000000100,
+        0b0000000000000000,
+        0b0000000000000000
+    ],
+    [
+        0b0000000100000000,
+        0b0100000000000100,
+        0b0010011111001000,
+        0b0000100000100000,
+        0b0001000000010000,
+        0b0010010001001000,
+        0b0010010001001000,
+        0b1010000100001010,
+        0b0010000000001000,
+        0b0010010001001000,
+        0b0001001110010000,
+        0b0000100000100000,
+        0b0010011111001000,
+        0b0100000000000100,
+        0b0000000100000000,
+        0b0000000000000000
+    ]
+]
+
+
+def get_data():
+    # open the json file
+    print(f'Requesting URL: {URL}')
+    r = urequests.get(URL)
+    # open the json data
+    j = r.json()
+    print('Data obtained!')
+    r.close()
+    return j
+
+
+def get_sunrise():
+    sun_json = get_data()
+    sunrise = sun_json['results']['sunrise']
+    sunrise_obj.parse_api(sunrise)
+    sunset = sun_json['results']['sunset']
+    sunset_obj.parse_api(sunset)
+
+
+def display_status():
+    global sys_status
+    graphics.set_pen(BLACK)
+    graphics.clear()
+    graphics.set_pen(WHITE)
+    graphics.text(sys_status, 2, 0, WIDTH, 1)
+    i75.update(graphics)
+
+
+def status_handler(mode, status, ip):
+    # reports wifi connection status
+    global sys_status
+    print(mode, status, ip)
+    sys_status = 'Mode: {0} Connected: {1} IP: {2}'.format(mode, status, ip)
+    display_status()
+    i75.update(graphics)
+    print('Connecting to wifi...')
+    if status is not None:
+        if status:
+            print('Wifi connection successful!')
+        else:
+            print('Wifi connection failed!')
+
+
+def calc_circle_points(ori_x, ori_y, r, deg):
+    rads = radians(deg - 180)
+    x = int(cos(rads) * r) + ori_x
+    y = int(sin(rads) * r) + ori_y
+    return x, y
+
+
+def to_seconds(hour, mins, secs, isPM=False):
+    seconds = 0
+    if isPM:
+        seconds += 43200  # Seconds in the first 12 hours
+    seconds += (hour * 3600)
+    seconds += (mins * 60)
+    seconds += secs
+    return seconds
+
+
+def draw_hills():
+    graphics.set_pen(HILLS_COLOUR_1)
+    for x in range(5):
+        graphics.circle(30 * x, 64, hills1[x])
+    graphics.set_pen(HILLS_COLOUR_2)
+    for x in range(2):
+        graphics.circle(60 * x + 15, 64, hills2[x])
+    graphics.set_pen(HILLS_COLOUR_3)
+    for x in range(2):
+        graphics.circle(60 * x + 30 + 15, 64, hills3[x])
+
+
+def draw_text():
+    graphics.set_pen(WHITE)
+    graphics.text("Sun Rise-Set API demo", 2, 0, WIDTH, 1)
+    graphics.text("Sunrise: {0}".format(sunrise_obj.get_str()), 2, 8, WIDTH, 1)
+    graphics.text("Sunset: {0}".format(sunset_obj.get_str()), 2, 16, WIDTH, 1)
+    graphics.text("{0}".format(currenttime.get_str()), 2, 24, WIDTH, 1)
+
+
+def draw_sun(sunrise, sunset, time, cycle):
+    global SUN_COLOUR
+    sunlight_range = sunset - sunrise
+    angle = int((180 / sunlight_range) * (time - sunrise)) % 360
+    pos_x, pos_y = calc_circle_points(64 - 16, 54, 50, angle)
+    graphics.set_pen(SUN_COLOUR)
+    if angle > 180:
+        SUN_COLOUR = graphics.create_pen(0, 0, 0)
+    elif angle < 90:
+        r = 255
+        g = int(((angle / 100) * 90))
+        b = 0
+        SUN_COLOUR = graphics.create_pen(r, g, b)
+    elif angle > 90:
+        r = 255
+        g = int(100 - (((angle - 90) / 100) * 90))
+        b = 0
+        SUN_COLOUR = graphics.create_pen(r, g, b)
+    for y in range(16):
+        for x in range(16):
+            if sun[cycle][y] & (1 << x):
+                graphics.pixel(x + pos_x, int((y + pos_y)))
+
+
+try:
+    network_manager = NetworkManager(WIFI_CONFIG.COUNTRY, status_handler=status_handler)
+    uasyncio.get_event_loop().run_until_complete(network_manager.client(WIFI_CONFIG.SSID, WIFI_CONFIG.PSK))
+except Exception as e:
+    print(f'Wifi connection failed! {e}')
+
+get_sunrise()
+ntptime.settime()
+currenttime.parse_localtime(time.localtime())
+
+count = 0  # Counter for animation
+
+while True:
+    # Update current time class instance from RTC
+    currenttime.parse_localtime(time.localtime())
+    count += 1
+
+    graphics.set_pen(BLACK)
+    graphics.clear()
+
+    # Uncomment for the animation
+    # draw_sun(0, 180, count % 180, count % 3)
+    draw_sun(sunrise_obj.get_total_secs(), sunset_obj.get_total_secs(), currenttime.get_total_secs(), count % 3)
+    draw_hills()
+    draw_text()
+    i75.update(graphics)
+    time.sleep(0.2)

micropython/examples/interstate75/thermometer.py

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+import time
+import machine
+from breakout_bme68x import BreakoutBME68X, STATUS_HEATER_STABLE
+from interstate75 import Interstate75
+
+"""
+Interstate75 Temp DEMO
+This demo uses a BME680 or BME688 attached to the QWST connector to
+measure temperature, pressure, and humidity and display it on the Interstate75 display.
+The internal temperature sensor can be used in place of the BME68x breakout -
+just change use_bme68x_breakout to False
+
+This example is designed for use on 2 chained 64x64 panels.
+"""
+
+# Settings
+lower_temp_bound = 15
+upper_temp_bound = 30
+use_bme68x_breakout = True
+
+sensor_temp = machine.ADC(4)
+conversion_factor = 3.3 / (65535)  # used for calculating a temperature from the raw sensor reading
+
+i75 = Interstate75(display=Interstate75.DISPLAY_INTERSTATE75_128X64)
+graphics = i75.display
+
+BLACK = graphics.create_pen(0, 0, 0)
+TEMP_COLOUR = graphics.create_pen(255, 255, 255)
+
+if use_bme68x_breakout:
+    bmp = BreakoutBME68X(i75.i2c)
+
+graphics.set_pen(BLACK)
+graphics.clear()
+graphics.set_font("bitmap14_outline")
+
+while True:
+    # Clear display
+    graphics.set_pen(BLACK)
+    graphics.clear()
+
+    graphics.set_pen(TEMP_COLOUR)
+    graphics.text("Interstate75 Temp demo", 2, 2, scale=0.1)
+
+    if use_bme68x_breakout:
+        temperature, pressure, humidity, gas, status, _, _ = bmp.read()
+        graphics.text("Temp: {:0.2f}c".format(temperature), 2, 20, scale=0.2)
+        graphics.text("Press: {:0.2f}Pa".format(pressure), 2, 35, scale=0.2)
+        graphics.text("Humid: {:0.2f}%".format(humidity), 2, 50, scale=0.2)
+
+        heater = "Stable" if status & STATUS_HEATER_STABLE else "Unstable"
+        print("{:0.2f}c, {:0.2f}Pa, {:0.2f}%, {:0.2f} Ohms, Heater: {}".format(
+            temperature, pressure, humidity, gas, heater))
+
+    else:
+        reading = sensor_temp.read_u16() * conversion_factor
+        temperature = 27 - (reading - 0.706) / 0.001721
+        graphics.text("Temperature", 25, 15, scale=0.2)
+        graphics.text("{:0.2f}c".format(temperature), 25, 30, scale=2)
+
+    if temperature < lower_temp_bound:
+        r = 0
+        b = 255
+    elif temperature > upper_temp_bound:
+        r = 255
+        b = 0
+    else:
+        r = int((temperature - lower_temp_bound) / (upper_temp_bound - lower_temp_bound) * 255)
+        b = int(255 - ((temperature - lower_temp_bound) / (upper_temp_bound - lower_temp_bound) * 255))
+
+    TEMP_COLOUR = graphics.create_pen(r, 0, b)
+    i75.update(graphics)
+
+    time.sleep(0.2)