webiopi.devices.sensor.htu21d.HTU21D Class Reference

Inheritance diagram for webiopi.devices.sensor.htu21d.HTU21D:

Public Member Functions
def	__init__
def	__str__
def	__family__
def	check_crc
def	reset
def	set_resolution
def	get_resolutions
def	get_temp
def	get_rel_humidity
def	get_comp_rel_humidity
def	__getCelsius__
def	__getFahrenheit__
def	__getKelvin__
def	__getHumidity__
Public Member Functions inherited from webiopi.devices.i2c.I2C
def	__init__
def	__str__
def	readRegister
def	readRegisters
def	writeRegister
def	writeRegisters
Public Member Functions inherited from webiopi.devices.bus.Bus
def	__init__
def	open
def	close
def	read
def	readBytes
def	readByte
def	write
def	writeBytes
def	writeByte
Public Member Functions inherited from webiopi.devices.sensor.Temperature
def	__family__
def	__getKelvin__
def	__getCelsius__
def	__getFahrenheit__
def	Kelvin2Celsius
def	Kelvin2Fahrenheit
def	Celsius2Kelvin
def	Celsius2Fahrenheit
def	Fahrenheit2Kelvin
def	Fahrenheit2Celsius
def	getKelvin
def	getCelsius
def	getFahrenheit
Public Member Functions inherited from webiopi.devices.sensor.Humidity
def	__family__
def	__getHumidity__
def	getHumidity
def	getHumidityPercent

Public Attributes
	resolutions
	temp_timing
Public Attributes inherited from webiopi.devices.i2c.I2C
	channel
	slave
Public Attributes inherited from webiopi.devices.bus.Bus
	busName
	device
	flag
	fd

Static Public Attributes
int	CMD_READ_TEMP_HOLD = 0xe3
int	CMD_READ_HUM_HOLD = 0xe5
int	CMD_READ_TEMP_NOHOLD = 0xf3
int	CMD_READ_HUM_NOHOLD = 0xf5
int	CMD_WRITE_USER_REG = 0xe6
int	CMD_READ_USER_REG = 0xe7
int	CMD_SOFT_RESET = 0xfe
dictionary	RESOLUTIONS
dictionary	MEASURE_TIMES

Detailed Description

Definition at line 27 of file htu21d.py.

Constructor & Destructor Documentation

def webiopi.devices.sensor.htu21d.HTU21D.__init__

(

self

)

Definition at line 55 of file htu21d.py.

Member Function Documentation

def webiopi.devices.sensor.htu21d.HTU21D.__family__

(

self

)

Definition at line 64 of file htu21d.py.

def webiopi.devices.sensor.htu21d.HTU21D.__getCelsius__

(

self

)

Definition at line 127 of file htu21d.py.

References webiopi.devices.sensor.htu21d.HTU21D.get_temp(), and webiopi.devices.sensor.htu21d.HTU21D.reset().

def webiopi.devices.sensor.htu21d.HTU21D.__getFahrenheit__

(

self

)

Definition at line 131 of file htu21d.py.

References webiopi.devices.sensor.Temperature.Celsius2Fahrenheit().

def webiopi.devices.sensor.htu21d.HTU21D.__getHumidity__

(

self

)

Definition at line 137 of file htu21d.py.

References webiopi.devices.sensor.htu21d.HTU21D.get_comp_rel_humidity(), and webiopi.devices.sensor.htu21d.HTU21D.reset().

def webiopi.devices.sensor.htu21d.HTU21D.__getKelvin__

(

self

)

Definition at line 134 of file htu21d.py.

References webiopi.devices.sensor.Temperature.Celsius2Kelvin().

def webiopi.devices.sensor.htu21d.HTU21D.__str__

(

self

)

Definition at line 61 of file htu21d.py.

References webiopi.devices.i2c.I2C.slave, and webiopi.devices.digital.mcp23XXX.MCP23SXX.slave.

def webiopi.devices.sensor.htu21d.HTU21D.check_crc	(		self,
			sensor_val
	)

Definition at line 67 of file htu21d.py.

Referenced by webiopi.devices.sensor.htu21d.HTU21D.get_rel_humidity(), and webiopi.devices.sensor.htu21d.HTU21D.get_temp().

def webiopi.devices.sensor.htu21d.HTU21D.get_comp_rel_humidity

(

self

)

Definition at line 121 of file htu21d.py.

References webiopi.devices.sensor.htu21d.HTU21D.get_rel_humidity(), and webiopi.devices.sensor.htu21d.HTU21D.get_temp().

Referenced by webiopi.devices.sensor.htu21d.HTU21D.__getHumidity__().

def webiopi.devices.sensor.htu21d.HTU21D.get_rel_humidity

(

self

)

Definition at line 110 of file htu21d.py.

References webiopi.devices.sensor.htu21d.HTU21D.check_crc(), webiopi.devices.sensor.htu21d.HTU21D.CMD_READ_HUM_NOHOLD, webiopi.devices.bus.Bus.readBytes(), and webiopi.devices.bus.Bus.writeByte().

Referenced by webiopi.devices.sensor.htu21d.HTU21D.get_comp_rel_humidity().

def webiopi.devices.sensor.htu21d.HTU21D.get_resolutions

(

self

)

Definition at line 95 of file htu21d.py.

References webiopi.devices.sensor.htu21d.HTU21D.CMD_READ_USER_REG, webiopi.devices.i2c.I2C.readRegister(), webiopi.devices.digital.mcp23XXX.MCP23SXX.readRegister(), and webiopi.devices.sensor.htu21d.HTU21D.RESOLUTIONS.

def webiopi.devices.sensor.htu21d.HTU21D.get_temp

(

self

)

Definition at line 99 of file htu21d.py.

References webiopi.devices.sensor.htu21d.HTU21D.check_crc(), webiopi.devices.sensor.htu21d.HTU21D.CMD_READ_TEMP_NOHOLD, webiopi.devices.bus.Bus.readBytes(), webiopi.devices.sensor.htu21d.HTU21D.temp_timing, and webiopi.devices.bus.Bus.writeByte().

Referenced by webiopi.devices.sensor.htu21d.HTU21D.__getCelsius__(), and webiopi.devices.sensor.htu21d.HTU21D.get_comp_rel_humidity().

def webiopi.devices.sensor.htu21d.HTU21D.reset

(

self

)

Definition at line 87 of file htu21d.py.

References webiopi.devices.sensor.htu21d.HTU21D.CMD_SOFT_RESET, and webiopi.devices.bus.Bus.writeByte().

Referenced by webiopi.devices.sensor.htu21d.HTU21D.__getCelsius__(), and webiopi.devices.sensor.htu21d.HTU21D.__getHumidity__().

def webiopi.devices.sensor.htu21d.HTU21D.set_resolution	(		self,
			resIndex
	)

Definition at line 91 of file htu21d.py.

References webiopi.devices.sensor.htu21d.HTU21D.CMD_WRITE_USER_REG, webiopi.devices.i2c.I2C.writeRegister(), and webiopi.devices.digital.mcp23XXX.MCP23SXX.writeRegister().

Member Data Documentation

int webiopi.devices.sensor.htu21d.HTU21D.CMD_READ_HUM_HOLD = 0xe5

static

Definition at line 30 of file htu21d.py.

int webiopi.devices.sensor.htu21d.HTU21D.CMD_READ_HUM_NOHOLD = 0xf5

static

Definition at line 32 of file htu21d.py.

Referenced by webiopi.devices.sensor.htu21d.HTU21D.get_rel_humidity().

int webiopi.devices.sensor.htu21d.HTU21D.CMD_READ_TEMP_HOLD = 0xe3

static

Definition at line 29 of file htu21d.py.

int webiopi.devices.sensor.htu21d.HTU21D.CMD_READ_TEMP_NOHOLD = 0xf3

static

Definition at line 31 of file htu21d.py.

Referenced by webiopi.devices.sensor.htu21d.HTU21D.get_temp().

int webiopi.devices.sensor.htu21d.HTU21D.CMD_READ_USER_REG = 0xe7

static

Definition at line 34 of file htu21d.py.

Referenced by webiopi.devices.sensor.htu21d.HTU21D.get_resolutions().

int webiopi.devices.sensor.htu21d.HTU21D.CMD_SOFT_RESET = 0xfe

static

Definition at line 35 of file htu21d.py.

Referenced by webiopi.devices.sensor.htu21d.HTU21D.reset().

int webiopi.devices.sensor.htu21d.HTU21D.CMD_WRITE_USER_REG = 0xe6

static

Definition at line 33 of file htu21d.py.

Referenced by webiopi.devices.sensor.htu21d.HTU21D.set_resolution().

dictionary webiopi.devices.sensor.htu21d.HTU21D.MEASURE_TIMES

static

Initial value:

= {
        (12, 14): (.018, .055),
        (8, 12): (.005, .015),
        (10, 13): (.006, .028),
        (11, 11): (.01, .009),
    }

Definition at line 48 of file htu21d.py.

dictionary webiopi.devices.sensor.htu21d.HTU21D.RESOLUTIONS

static

Initial value:

= {
        (0, 0) : (12, 14),
        (0, 1) : (8, 12),
        (1, 0) : (10, 13),
        (1, 1) : (11, 11),
    }

Definition at line 39 of file htu21d.py.

Referenced by webiopi.devices.sensor.htu21d.HTU21D.get_resolutions().

webiopi.devices.sensor.htu21d.HTU21D.resolutions

Definition at line 58 of file htu21d.py.

webiopi.devices.sensor.htu21d.HTU21D.temp_timing

Definition at line 59 of file htu21d.py.

Referenced by webiopi.devices.sensor.htu21d.HTU21D.get_temp().

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The documentation for this class was generated from the following file:

• python/webiopi/devices/sensor/htu21d.py