Ultrasonic macros

Macros for the ultrasonic sensor. More...

Macros
#define	ULTRASONIC_PULSE_TO_CM(x)   (x / 29. / 2.)
#define	ULTRASONIC_PULSE_TO_IN(x)   (x / 74. / 2.)

Detailed Description

Macros for the ultrasonic sensor.

Macro Definition Documentation

ULTRASONIC_PULSE_TO_CM

#define ULTRASONIC_PULSE_TO_CM

(

x

)

(x / 29. / 2.)

Parameters

[in]

x

Pulse width in us. Constants from datasheet.

Returns

Pulse width in cm.

ULTRASONIC_PULSE_TO_IN

#define ULTRASONIC_PULSE_TO_IN

(

x

)

(x / 74. / 2.)

Parameters

[in]

x

Pulse width in us. Constants from datasheet.

Returns

Pulse width in inches.