How to Make SPI Demo

1. Introduction

This is a demo to show how to get the data of BMI160 by SPI ioctl in ROScube Pico.

The data includes:

  • CHIP ID

  • PMU STATUS

  • SENSOR DATA (ACCEL and GYRO).

Note

In this BMI160 demo, by using /dev/spidev2.0.

2. Build

Download the code from Github Adlink-ROS/bmi160_spi_demo.

git clone https://github.com/Adlink-ROS/bmi160_spi_demo.git
cd bmi160_spi_demo

1. Usage

Test the demo following the command.

  1. Compile the code by gcc

gcc -o bmi160_test main.c bmi160.c

  1. Run the code

./bmi160_test

  1. Result

If successfully worked, it will show data:

  • CHIP ID: 0xD1

  • PMU STATUS: 0x14

  • SENSOR DATA: 50 points

../../../_images/bmi160-spi-demo.png

Note

It will show OK message on the first line, that means bmi160_perform_self_test was successful.

Warning

When occurred filed or error, please check the Error Value from bmi160.h.