i2c_accel.ino File Reference

#include <Wire.h>
#include <DevLab_ICM20948.h>

Go to the source code of this file.

Macros
#define	SDA_PIN   6
	I2C SDA pin used by the example board.
#define	SCL_PIN   7
	I2C SCL pin used by the example board.
#define	I2C_FREQ   400000UL
	I2C bus speed in hertz.
#define	ICM_ADDR   0x69
	ICM-20948 I2C address selected by the AD0 pin.

Functions
void	setup ()
	Configure the IMU for accelerometer-only operation over I2C.
void	loop ()
	Read and print accelerometer data in g.

Variables
DevLab_ICM20948	imu
	Global ICM-20948 driver instance.

Macro Definition Documentation

I2C_FREQ

#define I2C_FREQ   400000UL

I2C bus speed in hertz.

Definition at line 41 of file i2c_accel.ino.

ICM_ADDR

#define ICM_ADDR   0x69

ICM-20948 I2C address selected by the AD0 pin.

Definition at line 43 of file i2c_accel.ino.

SCL_PIN

#define SCL_PIN   7

I2C SCL pin used by the example board.

Definition at line 39 of file i2c_accel.ino.

SDA_PIN

#define SDA_PIN   6

I2C SDA pin used by the example board.

Definition at line 37 of file i2c_accel.ino.

Function Documentation

loop()

void loop

(

)

Read and print accelerometer data in g.

Definition at line 122 of file i2c_accel.ino.

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setup()

void setup

(

)

Configure the IMU for accelerometer-only operation over I2C.

The function initializes the bus, verifies the device identity, enables the accelerometer, and applies range, DLPF, averaging, and sample-rate settings.

Definition at line 54 of file i2c_accel.ino.

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Variable Documentation

imu

DevLab_ICM20948 imu

Global ICM-20948 driver instance.

Definition at line 46 of file i2c_accel.ino.