bme280.rb in denko-0.13.4

- old
+ new

@@ -3,32 +3,15 @@
 #
 require 'bundler/setup'
 require 'denko'
 
 board = Denko::Board.new(Denko::Connection::Serial.new)
-
-#
-# Default pins for the I2C0 (first) interface on most chips:
-#
-# ATmega 328p:       SDA = 'A4'  SCL = 'A5' - Arduino Uno, Nano
-# ATmega 32u4:       SDA =   2   SCL =   3  - Arduino Leonardo, Pro Micro
-# ATmega1280 / 2560: SDA =  20   SCL =  21  - Arduino Mega
-# SAM3X8E:           SDA =  20   SCL =  21  - Arduino Due
-# SAMD21G18:         SDA =  20   SCL =  21  - Arduino Zero, M0, M0 Pro
-# ESP8266:           SDA =   4   SCL =   5
-# ESP32:             SDA =  21   SCL =  22
-# RP2040:            SDA =   4   SCL =   5  - Raspberry Pi Pico (W)
-#
-# Only give the SDA pin of the I2C bus. SCL (clock) pin must be 
-# connected for it to work, but we don't need to control it.
-#
 bus = Denko::I2C::Bus.new(board: board, pin: :SDA)
 
-sensor = Denko::Sensor::BME280.new(bus: bus, address: 0x76)
-
+sensor = Denko::Sensor::BME280.new(bus: bus) # address: 0x76 default
 # Use A BMP280 with no humidity instead.
-# sensor = Denko::Sensor::BMP280.new(bus: bus, address: 0x76)
+# sensor = Denko::Sensor::BMP280.new(bus: bus) # address: 0x76
 
 # Default reading mode is oneshot ("forced" in datasheet).
 # sensor.oneshot_mode
 
 # Enable oversampling independently on each sensor.
@@ -42,34 +25,14 @@
 # sensor.iir_coefficient = 4
 
 # Print raw config register bits.
 # print sensor.config_register_bits
 
-def display_reading(reading)
-  # Time
-  print "#{Time.now.strftime '%Y-%m-%d %H:%M:%S'} - "
-  
-  # Temperature
-  formatted_temp = reading[:temperature].round(2).to_s.ljust(5, '0')
-  print "Temperature: #{formatted_temp} \xC2\xB0C"
-  
-  # Pressure
-  if reading[:pressure]
-    formatted_pressure = (reading[:pressure] / 101325).round(5).to_s.ljust(7, '0')
-    print " | Pressure #{formatted_pressure} atm"
-  end
-  
-  # Humidity  
-  if reading[:humidity]
-    formatted_humidity = reading[:humidity].round(2).to_s.ljust(5, '0')
-    print " | Humidity #{formatted_humidity} %"
-  end
-  
-  puts
-end
+# Get the shared #print_tph_reading method to print readings neatly.
+require_relative 'neat_tph_readings'
 
-# Poll the sensor and print readings.
+# Poll it and print readings.
 sensor.poll(5) do |reading|
-  display_reading(reading)
+  print_tph_reading(reading)
 end
 
 sleep