OpenElectrons_L3GD20.L3GD20 Class Reference

L3GD20: this class provides functions for the gyroscope of the LSM303 IC for read and write operations. More...

Inheritance diagram for OpenElectrons_L3GD20.L3GD20:

Public Member Functions
def	__init__
	Initialize the class with the i2c address of the L3GD20 and set function parameters for gyro. More...
def	accel12
	Interprets signed 12-bit Gyro component from list. More...
def	int16
	Interprets signed 16-bit Gyro component from list. More...
def	rangeSelect
	Sets the range for gyro. More...
def	measureGyroSum
	Reads the gyro sum value. More...
def	read
	Reads the x,y,z gyro values. More...
def	configL3GD20
	Writes to a register to configure gyro. More...
def	deg2rad
	Converts degrees to radian. More...
def	rad2deg
	Converts radian to degrees. More...
def	measureGyro
	Reads the heading/angle value of the gyro. More...
Public Member Functions inherited from OpenElectrons_i2c.OpenElectrons_i2c
def	__init__
	Initialize the class with the i2c address of your device. More...
def	errMsg
	Prints an error message if a read error is detected. More...
def	writeByte
	Write a byte to your i2c device at a given location. More...
def	readByte
	Read an unsigned byte from your i2c device at a given location. More...
def	simpleWriteByte
	Write a byte to your i2c device at a given location. More...
def	simpleReadByte
	Read an unsigned byte from your i2c device at a given location. More...
def	readByteSigned
	Read a signed byte from your i2c device at a given location. More...
def	readArray
	Read a byte array from your i2c device starting at a given location. More...
def	writeArray
	Write a byte array from your i2c device starting at a given location. More...
def	readString
	Read a string from your i2c device starting at a given location. More...
def	readIntegerBE
	Read an unsigned 16 bit integer from your i2c device from a given location. More...
def	readInteger
	Read an unsigned 16 bit integer from your i2c device from a given location. More...
def	readIntegerSignedBE
	Read a signed 16 bit integer from your i2c device from a given location. More...
def	readIntegerSigned
	Read a signed 16 bit integer from your i2c device from a given location. More...
def	readLongBE
	Read an unsigned 32bit integer from your i2c device from a given location. More...
def	readLong
	Read an unsigned 32bit integer from your i2c device from a given location. More...
def	readLongSignedBE
	Read a signed 32bit integer from your i2c device from a given location. More...
def	readLongSigned
	Read a signed 32bit integer from your i2c device from a given location. More...
def	GetFirmwareVersion
	Read the firmware version of the i2c device. More...
def	GetVendorName
	Read the vendor name of the i2c device. More...
def	GetDeviceId
	Read the i2c device id. More...

Public Attributes
	gyroScaleFactor
	gyroSampleCount
	gyroLastMesuredTime
Public Attributes inherited from OpenElectrons_i2c.OpenElectrons_i2c
	address
	bus

Static Public Attributes
int	XAXIS = 0
int	YAXIS = 1
int	ZAXIS = 2
tuple	GYRO_ADDRESS = (0xD6)
int	L3G20D_WHO_AM_I = 0x0F
int	L3G20D_CTRL_REG1 = 0x20
int	L3G20D_CTRL_REG2 = 0x21
int	L3G20D_CTRL_REG3 = 0x22
int	L3G20D_CTRL_REG4 = 0x23
int	L3G20D_CTRL_REG5 = 0x24
int	L3G20D_REFERENCE = 0x25
int	L3G20D_OUT_TEMP = 0x26
int	L3G20D_STATUS_REG = 0x27
int	L3G20D_OUT_X_L = 0x28
int	L3G20D_OUT_X_H = 0x29
int	L3G20D_OUT_Y_L = 0x2A
int	L3G20D_OUT_Y_H = 0x2B
int	L3G20D_OUT_Z_L = 0x2C
int	L3G20D_OUT_Z_H = 0x2D
int	L3G20D_FIFO_CTRL_REG = 0x2E
int	L3G20D_FIFO_SRC_REG = 0x2F
int	L3G20D_INT1_CFG = 0x30
int	L3G20D_INT1_SRC = 0x31
int	L3G20D_INT1_THS_XH = 0x32
int	L3G20D_INT1_THS_XL = 0x33
int	L3G20D_INT1_THS_YH = 0x34
int	L3G20D_INT1_THS_YL = 0x35
int	L3G20D_INT1_THS_ZH = 0x36
int	L3G20D_INT1_THS_ZL = 0x37
int	L3G20D_INT1_DURATION = 0x38
float	RAD_TO_DEG = 57.29578
float	M_PI = 3.14159265358979323846
int	gyroSampleCount = 0
list	gyroSample = [0,0,0]
int	gyroHeading = 0
tuple	gyroLastMesuredTime = time.time()
float	gyroScaleFactor = 0.07

Additional Inherited Members
Static Public Member Functions inherited from OpenElectrons_i2c.OpenElectrons_i2c
def	pi_rev
def	which_bus

Detailed Description

L3GD20: this class provides functions for the gyroscope of the LSM303 IC for read and write operations.

Constructor & Destructor Documentation

def OpenElectrons_L3GD20.L3GD20.__init__	(		self,
			gyro_address = GYRO_ADDRESS
	)

Initialize the class with the i2c address of the L3GD20 and set function parameters for gyro.

Parameters

self	The object pointer.
i2c_address	Address of your gyro.

Member Function Documentation

def OpenElectrons_L3GD20.L3GD20.accel12	(		self,
			list,
			idx
	)

Interprets signed 12-bit Gyro component from list.

Parameters

self	The object pointer.
array	The list of gyro data generated from the L3GD20
idx	The location of the desired element in the list

def OpenElectrons_L3GD20.L3GD20.configL3GD20	(		self,
			register,
			r_value
	)

Writes to a register to configure gyro.

Parameters

self	The object pointer.
register	The register address to write to the L3GD20.
r_value	The value to write to the register.

def OpenElectrons_L3GD20.L3GD20.deg2rad	(		self,
			d_value
	)

Converts degrees to radian.

Parameters

self	The object pointer.
d_value	The degree value to convert to radian.

def OpenElectrons_L3GD20.L3GD20.int16	(		self,
			list,
			idx
	)

Interprets signed 16-bit Gyro component from list.

Parameters

self	The object pointer.
array	The list of gyro data generated from the L3GD20
idx	The location of the desired element in the list

def OpenElectrons_L3GD20.L3GD20.measureGyro

(

self

)

Reads the heading/angle value of the gyro.

Parameters

self	The object pointer.

def OpenElectrons_L3GD20.L3GD20.measureGyroSum

(

self

)

Reads the gyro sum value.

Parameters

self	The object pointer.

def OpenElectrons_L3GD20.L3GD20.rad2deg	(		self,
			r_value
	)

Converts radian to degrees.

Parameters

self	The object pointer.
r_value	The radian value to convert to degrees.

def OpenElectrons_L3GD20.L3GD20.rangeSelect	(		self,
			range
	)

Sets the range for gyro.

Parameters

self	The object pointer.
range	The range to set the gyro.

def OpenElectrons_L3GD20.L3GD20.read

(

self

)

Reads the x,y,z gyro values.

Parameters

self	The object pointer.

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

• OpenElectrons_L3GD20.py