env3.rb

# https://github.com/yamanekko/M5StickC-IDF-m5mruby
# https://github.com/yamanekko/mruby-m5stickc

Wire = M5StickC::TwoWire.new(0)
Wire.begin(32, 33, 100000)

LCD = M5StickC::Display.new
LCD.rotation = 1
LCD.clear
LCD.fill_screen(M5StickC::Display::BLACK)
LCD.text_color = M5StickC::Display::WHITE
LCD.text_font = 2

ESP32::System.delay(1000)

@bmp = M5StickC::BMP280.new
@bmp.begin
@dht = M5StickC::DHT12.new

while true
  ESP32::System.delay(1000)
  LCD.clear
  LCD.cursor(1, 0)
  LCD.printf "RubyConf2019 Nashville\n"
  LCD.printf "Pressure: %.2f\n", @bmp.read_pressure
  LCD.printf "Temperature: %.2f\n", @dht.read_temperature
  LCD.printf "Humidity: %.2f\n", @dht.read_humidity
end