class I2CDevice::HDC1000
www.ti.com/product/HDC1000 A Digital humidity/temperature sensor
Public Class Methods
new(args = {})
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Calls superclass method
I2CDevice::new
# File lib/templates/grove_pi/i2c/device/hdc1000.rb, line 9 def initialize(args = {}) args = { address: 0x40 }.merge(args) super args configuration end
Public Instance Methods
calc_humidity(d1, d2)
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# File lib/templates/grove_pi/i2c/device/hdc1000.rb, line 39 def calc_humidity(d1, d2) (d1<<8 | d2).to_f / 2**16 * 100 end
calc_temperature(d1, d2)
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# File lib/templates/grove_pi/i2c/device/hdc1000.rb, line 35 def calc_temperature(d1, d2) ((d1<<8 | d2).to_f / 2**16 * 165) - 40 end
configuration()
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# File lib/templates/grove_pi/i2c/device/hdc1000.rb, line 17 def configuration i2cset( 0x02, # Configuration register 0x10, # TRES 14bit 0x00 # HRES 14bit ) end
get_data()
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# File lib/templates/grove_pi/i2c/device/hdc1000.rb, line 25 def get_data i2cset(0x00) sleep 6.35e-3 + 6.5e-3 raw = i2cget(nil, 4).unpack("C4") { temperature: calc_temperature(raw[0], raw[1]), humidity: calc_humidity(raw[2], raw[3]) } end