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P2X8C4M64P/Propeller 2 application that displays live data plots from an IMU on an attached VGA display (QVGA)

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imu-demo-vga


This is a P2X8C4M64P/Propeller 2 demo application that displays live data from an IMU in a graphical representation (e.g., orientation, movement rate, etc)

IMPORTANT: This software is meant to be used with the spin-standard-library (P8X32A) or p2-spin-standard-library (P2X8C4M64P). Please install the applicable library first before attempting to use this code, otherwise you will be missing several files required to build the project.

Videos

Salient Features

  • accel_ray(): Displays 3DoF accelerometer data as rays radiating from the screen center outwards in proportion with acceleration experienced by each axis (currently static orientation)
  • gyro_ray(): Display 3DoF gyroscope data as above, but in a pseudo-3D fashion. Trig is used to locate the endpoints of the lines following an elliptical path around the center of the screen, with a circle also attached to the endpoint. The circle radius changes with movement to give a slight sense of depth.
  • mag_plot(): Display 3DoF magnetometer data plotted in x, y as three functions: XY, XZ, YZ

Requirements

P2/SPIN2:

  • p2-spin-standard-library
  • VGA display (Parallax A/V accessory board #64006-ES or equivalent)

Supported IMUs:

  • MPU9250 (I2C)
  • LSM9DS1 (I2C, SPI)

Compiler Compatibility

Processor Language Compiler Backend Status
P1 SPIN1 FlexSpin (6.9.4) Bytecode Not implemented
P1 SPIN1 FlexSpin (6.9.4) Native/PASM Not implemented
P2 SPIN2 FlexSpin (6.9.4) NuCode Untested
P2 SPIN2 FlexSpin (6.9.4) Native/PASM2 OK

(other versions or toolchains not listed are not supported, and may or may not work)

Limitations

  • Very early in development - may malfunction, or outright fail to build
  • Supports only the P2

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P2X8C4M64P/Propeller 2 application that displays live data plots from an IMU on an attached VGA display (QVGA)

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