Merge pull request #33 from DJDevon3/WorkingBranch

Example using Pico & Picowbell with I2C temp sensor

Author: FoamyGuy

examples/displayio_ssd1306_picowbell_tempsensor.py

@@ -0,0 +1,104 @@
+# SPDX-FileCopyrightText: 2023 DJDevon3
+# SPDX-License-Identifier: MIT
+# Pi Pico & Picowbell with SSD1306 display & BME280 sensor
+# Coded for Circuit Python 8.1
+
+import time
+import board
+import displayio
+import busio
+import terminalio
+from adafruit_display_text import label
+from adafruit_bme280 import basic as adafruit_bme280
+import adafruit_displayio_ssd1306 as ssd1306
+
+# Reinitalizes display upon any soft reboot or hard reset
+displayio.release_displays()
+
+# Pi Pico RP2040 I2C0 bus initialization (SSD1306 display)
+i2c0 = busio.I2C(board.GP3, board.GP2)
+# Pi Pico RP2040 I2C1 bus initialization (temp sensor from Stemma port)
+i2c1 = busio.I2C(board.GP5, board.GP4)
+# i2c = board.I2C()  # other boards use board.SCL and board.SDA
+
+# Initialize BME280 sensor
+bme280 = adafruit_bme280.Adafruit_BME280_I2C(i2c1)
+
+# Configure display size
+ssd_width = 128
+ssd_height = 32
+
+# Ensure the physical address of your SSD1306 is set here:
+ssd_bus = displayio.I2CDisplay(i2c0, device_address=0x3C)
+display = ssd1306.SSD1306(ssd_bus, width=ssd_width, height=ssd_height)
+
+# Manually set your sea_level_pressure to your area
+# This can change houly, lookup NOAA data or automate it.
+# On a normal sunny day it's generally 1013-1015
+bme280.sea_level_pressure = 1013.4
+# If you live at 0 sea level this is a nice workaround
+# bme280.sea_level_pressure = bme280.pressure
+
+# Quick Colors for Labels
+TEXT_BLACK = 0x000000
+TEXT_BLUE = 0x0000FF
+TEXT_CYAN = 0x00FFFF
+TEXT_GRAY = 0x8B8B8B
+TEXT_GREEN = 0x00FF00
+TEXT_LIGHTBLUE = 0x90C7FF
+TEXT_MAGENTA = 0xFF00FF
+TEXT_ORANGE = 0xFFA500
+TEXT_PURPLE = 0x800080
+TEXT_RED = 0xFF0000
+TEXT_WHITE = 0xFFFFFF
+TEXT_YELLOW = 0xFFFF00
+
+# Text labels for display
+hello_label = label.Label(terminalio.FONT)
+hello_label.anchor_point = (0.0, 0.0)
+hello_label.anchored_position = (0, 0)
+hello_label.scale = 1
+hello_label.color = TEXT_WHITE
+
+temp_label = label.Label(terminalio.FONT)
+temp_label.anchor_point = (0.0, 0.0)
+temp_label.anchored_position = (0, 10)
+temp_label.scale = 1
+temp_label.color = TEXT_WHITE
+
+humidity_label = label.Label(terminalio.FONT)
+humidity_label.anchor_point = (0.0, 0.0)
+humidity_label.anchored_position = (0, 20)
+humidity_label.scale = 1
+humidity_label.color = TEXT_WHITE
+
+pressure_label = label.Label(terminalio.FONT)
+pressure_label.anchor_point = (1.0, 1.0)
+pressure_label.anchored_position = (ssd_width, 10)
+pressure_label.scale = 1
+pressure_label.color = TEXT_WHITE
+
+# Create DisplayIO Group Layer
+layer1 = displayio.Group()
+layer1.append(hello_label)
+layer1.append(temp_label)
+layer1.append(humidity_label)
+layer1.append(pressure_label)
+display.show(layer1)
+
+while True:
+    # Convert temp C to F
+    temperature = f"{bme280.temperature * 1.8 + 32:.1f}"
+
+    # Displays labels on the SSD1306 display
+    hello_label.text = "Pico W SSD1306"
+    temp_label.text = temperature
+    humidity_label.text = f"{bme280.relative_humidity:.0f}"
+    pressure_label.text = f"{bme280.pressure:.0f}"
+
+    # Prints Serial Data to REPL console (good for debugging)
+    print(f"\nTemperature: {temperature} F")
+    print("Humidity: %0.1f %%" % bme280.relative_humidity)
+    print("Pressure: %0.1f hPa" % bme280.pressure)
+    print("Altitude = %0.2f meters" % bme280.altitude)
+    time.sleep(2)