#imu #driver #accelerometer #embedded

mpu6886

Platform agnostic driver for mpu6886 6-axis IMU

1 unstable release

0.1.0 Feb 19, 2023

#30 in #imu

MIT license

40KB
509 lines

mpu6886 crates.io CircleCI

no_std driver for the mpu6886 6-axis IMU

thanks to "Julian Gaal gjulian@uos.de", for the major work in mpu6050 only small adaptions for mpu6886 were done:

  • device ID for mpu6886 changed
  • temperature reading adapted
  • CLKSEL is redefined
  • IRQ STATUS redefined removed:
  • MOT_DETECT_STATUS
  • MOT_DETECT_CONTROL
  • LP_WAKE_CTRL
  • ACCEL_HPF

What Works most probably now after changes from mpu6050 to mpu6886

Not, almost no tests have been done yet.

  • Reading the accelerometer, gyroscope, temperature sensor
    • raw
    • scaled
    • roll/pitch estimation
  • Setting Accel/Gyro Ranges/Sensitivity

Basic usage

To use this driver you must provide a concrete embedded_hal implementation. Here's a linux_embedded_hal example

use mpu6886::*;
use linux_embedded_hal::{I2cdev, Delay};
use i2cdev::linux::LinuxI2CError;

fn main() -> Result<(), mpu6886Error<LinuxI2CError>> {
  let i2c = I2cdev::new("/dev/i2c-1")
          .map_err(mpu6886Error::I2c)?;

  let mut delay = Delay;
  let mut mpu = mpu6886::new(i2c);

  mpu.init(&mut delay)?;

  loop {
    // get roll and pitch estimate
    let acc = mpu.get_acc_angles()?;
    println!("r/p: {:?}", acc);

    // get temp
    let temp = mpu.get_temp()?;
    println!("temp: {:?}c", temp);

    // get gyro data, scaled with sensitivity 
    let gyro = mpu.get_gyro()?;
    println!("gyro: {:?}", gyro);

    // get accelerometer data, scaled with sensitivity
    let acc = mpu.get_acc()?;
    println!("acc: {:?}", acc);
  }
}

Dependencies

~3.5MB
~67K SLoC