Component: Colour Sensor V3 (Grove 101021133) (101021133) (Light)

Author	Matrix TSL
Version	1.0
Category	Light

Colour Sensor V3 (Grove 101021133) component

Based on the color sensor VEML6040 with digital output I2C. senses red, green, blue, and white light and incorporates photodiodes, amplifiers, and analog / digital circuits into a single chip. Provides a spectrum matching real human eye responses.

Detailed description

No detailed description exists yet for this component

Examples

No additional examples

Macro reference

CalculateLux

	CalculateLux
Uses the RGB values stored in RAM from the last Sample to calculate the luminance in lux.
- UINT	Return

CalculateTemp

	CalculateTemp
Uses the RGB values stored in RAM from the last Sample to calculate the colour temperature in degrees Kelvin.
- UINT	Return

DisableSensor

	DisableSensor
Powers down the device to save power.
- VOID	Return

EnableSensor

	EnableSensor
Powers up the device ready for taking colour readings.
- VOID	Return

Initialise

	Initialise
Initialise the sensor configuration as set by the component properties. Sets the default intigration time and gain as well as enable the sensor. Returns 1 if the sensor is detected and responding to commands.
- BOOL	Return

ReadDataChannel

	ReadDataChannel
Returns the value of the selected colour channel from the last sample. The Red, Green and Blue channels have a colour filter to remove light of other colours. The Clear channel has no filter allowing the ambient light level to be easily collected.
- BYTE	ColourChannel
Range: 0 to 3 - 0=Red, 1=Green, 2=Blue, 3=Clear
- UINT	Return

SampleSensor

	SampleSensor
Reads the raw colour channels from the sensor and stores the readings into RAM to be collected by the ReadDataChannel macro.
- VOID	Return

SetIntegrationTime

	SetIntegrationTime
Controls the integration time. 0 = 40mS / 1 = 80mS / 2 = 160mS / 3 = 320mS / 4 = 640mS / 5 = 1280mS
- BYTE	Setting
Range: 0 to 5
- VOID	Return

Property reference

	Properties
	Sensor Settings
	Integration Time
Length of time period used to sample the sensor frequency (longer is more accurate)
	I2C Settings
	Channel
Channel selection
	Baud Select
Baud rate option selector
	Baud Rate
Baud rate to be used
	Stop Delay
On older microcontroller devices there is a potential for the I2C hardware channel to lock up if there is not a 10ms delay between an I2C stop event and the next I2C start event. Most modern microcontrollers will not have a problem so this property can be disabled to speed up the I2C communications.
	SDA
Pin used for SDA (data signal)
	SCL
Pin used for SCL (clock signal)
	Simulation
	Simulation Type
Selects the simulation type for the component. Component GUI - Interacts with the panel to sense the colour of a object in close proximity to the sensor. I2C Injector - Performs the I2C commands allowing you to connect an injector component or view and debug the I2C communications.