Sensor parameters

Variables
const float64_t	SENSOR_CALIBRATION = 1.0
	Sensor distance offset used for calibration in centimeters.
const float64_t	SENSOR_MIN_RANGE = 2.0
	Sensor minimum readable distance in centimeters.
const float64_t	SENSOR_MAX_RANGE = 450.0
	Sensor maximum readable distance in centimeters.
const float64_t	SENSOR_LSB = 58.0
	Sensor LSB to achieve distance from ECHO pulse time in usec/cm.
const int32_t	SENSOR_ACTIVATION_TH = 15
	Duration of TRIG signal to perform a measurement.
const uint32_t	SENSOR_RESPONSE_TIMEOUT_US = 500000UL
	Timeout in microseconds used to determine when the sensor reading is failed.
const uint32_t	SENSOR_NO_OBSTACLE_US = 38000UL
	ECHO pulse time in microseconds which indicates the absence of sensor readable obstacles.

Detailed Description

Constants related to the ultrasonic sensors.

Variable Documentation

SENSOR_ACTIVATION_TH

const int32_t SENSOR_ACTIVATION_TH = 15

Duration of TRIG signal to perform a measurement.

SENSOR_CALIBRATION

const float64_t SENSOR_CALIBRATION = 1.0

Sensor distance offset used for calibration in centimeters.

SENSOR_LSB

const float64_t SENSOR_LSB = 58.0

Sensor LSB to achieve distance from ECHO pulse time in usec/cm.

SENSOR_MAX_RANGE

const float64_t SENSOR_MAX_RANGE = 450.0

Sensor maximum readable distance in centimeters.

SENSOR_MIN_RANGE

const float64_t SENSOR_MIN_RANGE = 2.0

Sensor minimum readable distance in centimeters.

SENSOR_NO_OBSTACLE_US

const uint32_t SENSOR_NO_OBSTACLE_US = 38000UL

ECHO pulse time in microseconds which indicates the absence of sensor readable obstacles.

SENSOR_RESPONSE_TIMEOUT_US

const uint32_t SENSOR_RESPONSE_TIMEOUT_US = 500000UL

Timeout in microseconds used to determine when the sensor reading is failed.