Modeling

Prepare model for hardware connection, add blocks to support hardware protocols

Blocks

Audio and Video

V4L2 Video Capture	Capture video from USB camera using V4L2
SDL Video Display	Display video using SDL
eSpeak Text to Speech	Convert text to speech for output on default audio device
ALSA Audio Capture	Capture audio from sound card using ALSA
Audio File Read	Read audio frames from an audio file
ALSA Audio Playback	Send audio to sound card for playback using ALSA

Basic

GPIO Read	Read logical value of GPIO pin configured as input
GPIO Write	Write logical value of GPIO pin configured as output
Standard Servo Write	Drive servo motor to specified angle
LED	Illuminate built-in LED
PWM	Pulse width modulation of digital output pin

Communication

CAN Receive	Receive message from CAN network
CAN Transmit	Transmit message to CAN network
SPI Master Transfer	Write data to and read data from SPI slave device
SPI Register Write	Write data to registers of an SPI slave device
SPI Register Read	Read data from SPI slave device register
I2C Master Read	Read data from I2C slave device or I2C slave device register
I2C Master Write	Write data to I2C slave device or I2C slave device register
Serial Write	Write data to the serial device
Serial Read	Read data from serial device

Internet of Things

ThingSpeak Read	Read data stored in ThingSpeak channel
ThingSpeak Write	Publish data to the Internet of Things using ThingSpeak
MQTT Subscribe	Receive messages from MQTT broker for specified topic
MQTT Publish	Publish messages to MQTT broker on specified topic

Network

UDP Receive	Receive UDP packets over IP network
UDP Send	Send UDP packets over IP network
TCP/IP Receive	Receive data over TCP/IP network from remote host
TCP/IP Send	Send data over TCP/IP network to another remote host
Websocket Publish	Publish data to WebSocket server in JSON format
Websocket Subscribe	Subscribe to the JSON data received by a WebSocket server

Sense HAT

HTS221 Humidity Sensor	Measure relative humidity and ambient temperature from Humidity sensor
LPS25h Pressure Sensor	Measure barometric air pressure and ambient temperature
LSM9DS1 IMU Sensor	Measure linear acceleration, angular rate and magnetic field along X, Y, and Z axis
Joystick	Read the state of five-position Joystick
8x8 RGB LED Matrix	Control pixel(s) color of 8x8 RGB LED Matrix

Topics

Model Configuration Simulink Support Package for Raspberry Pi Hardware

This section describes about the model configuration parameters.

Open Block Library for Raspberry Pi Hardware

Locate Simulink^® block library for Raspberry Pi™ hardware

Use Camera Board with V4L2 Video Capture Block

Add Support for Raspberry Pi Camera Board

Log Signals on an SD Card

Log signals from Simulink models on an SD card mounted on the target hardware

STEP 1: Prerequisites for Logging Signals
STEP 2: Configure Board Parameters and Enable MAT-File Logging
STEP 3: Configure Model to Log Signals on SD Card
STEP 4: Run Model on Target Hardware
STEP 5: Import MAT-Files into MATLAB

Tutorials

Get Started

Getting Started with Simulink Support Package for Raspberry Pi Hardware

This example shows you how to use Simulink® Support Package for Raspberry Pi™ Hardware to run a Simulink model on Raspberry Pi hardware.

Getting Started with Robot Operating System (ROS) on Raspberry Pi®

This example shows you how to generate and build a standalone ROS node from a Simulink® model on the Raspberry Pi hardware.

Communicating with an EEPROM

This example shows how to use Simulink® Support Package for Raspberry Pi Hardware to read from and write to an SPI EEPROM.

Read temperature from a TMP102 sensor

This example illustrates how to use Simulink® Support Package for Raspberry Pi™ Hardware to configure and read temperature from a TMP102 sensor.

MAT-file logging on Raspberry Pi™ Hardware

This example shows you how to log signals from a Simulink® model on Raspberry Pi™ hardware in the MAT-file format.

Publish and Subscribe to Messages on ThingSpeak Using MQTT Blocks

This example shows you how to publish and subscribe to messages from a ThingSpeak broker using MQTT blocks provided by the Simulink® Support Package for Raspberry Pi™ Hardware.

Transmit and Receive Data Using Raspberry Pi® CAN blocks

This example shows to use Simulink® Support Package for Raspberry Pi® Hardware to transmit and receive data from the CAN network using the specified CAN device.

Monitoring Engine RPM Using Raspberry Pi CAN Blocks

This example shows how to use Simulink® Support Package for Raspberry Pi™ Hardware to monitor vehicle engine RPM and read the data on a web browser.

Communicating with Smartphones and Tablets

LED Control from Android™ Device

This example shows you how to control Raspberry Pi® LED from an Android device.

LED Control from Apple iOS Device

This example shows you how to control Raspberry Pi® LED from iPhone or iPad.

Surveillance Camera with Android™ Device

This example shows how to use Raspberry Pi® hardware and an Android device to build a surveillance camera.

Surveillance Camera with Apple iOS Device

This example shows how to use Raspberry Pi® hardware and an Apple iOS device, such as iPhone or iPad, to build a surveillance camera.

Applications

Parametric Audio Equalizer

This example shows how to use ALSA Audio Playback block from the Raspberry Pi® block library to implement a parametric audio equalizer algorithm with a Simulink® model and to run the model on Raspberry Pi hardware.

Image Inversion

This example shows how to use the V4L2 Video Capture and the SDL Video Display blocks from the Raspberry Pi® block library to implement an image inversion algorithm with a Simulink® model, and to run the model on Raspberry Pi hardware.

Motion Sensor

This example shows how to use Raspberry Pi® hardware to interface to a motion sensor and control an external LED.

Stream Images from Raspberry Pi using Robot Operating System (ROS)

This example shows you how to stream images captured from a webcam on Raspberry Pi® board to the host computer using ROS communication interface.

Auto-rotate an image displayed on Sense HAT LED matrix

This example shows you how to develop a Simulink model to implement an algorithm to read the Accelerometer On-board Sense HAT and control the rotation of the image displayed on the LED matrix.

Controlling LEGO MINDSTORMS EV3 robot using Raspberry Pi Sense HAT

This example shows how to read the Accelerometer on Raspberry Pi Sense HAT and use this data to control the motion of a LEGO MINDSTORMS EV3 robot.

Counting Steps using Raspberry Pi Sense HAT

This example demonstrates an application that counts the number of steps a person walked while holding a Raspberry Pi™ Sense HAT.

Audio Visualizer Using Raspberry Pi™ Sense HAT

This example shows how to simulate an audio visualizer on Sense HAT using the Simulink® Support Package for Raspberry Pi™ Hardware.

Publish data from Raspberry Pi Sense HAT to a WebSocket Server

This example shows how to use Simulink® Support Package for Raspberry Pi™ Hardware to publish the signals obtained from a Raspberry Pi Sense HAT to a WebSocket server, and read the data on a web browser in the WebSocket client.

Control Color of LED Matrix on Raspberry Pi Sense HAT over WebSockets

This example shows how to use the Simulink® Support Package for Raspberry Pi™ Hardware to control the color of an 8x8 LED matrix on Raspberry Pi Sense HAT from a webpage over WebSockets.

Using MATLAB Function Block

Spatialize Monaural Audio into 5.1 Channel Surround Sound Using MATLAB Function Block in Simulink

This example shows you how to spatialize a monaural audio signal into a 5.1 channel surround sound on Raspberry Pi™ hardware by using a MATLAB Function block with the Simulink® Support Package for Raspberry Pi Hardware.

Detect Boundaries of Objects Within Video Using MATLAB Function Block in Simulink

This example shows you how to identify the boundaries of objects in a live video stream on Raspberry Pi™ hardware by using a MATLAB® Function block with the Simulink® Support Package for Raspberry Pi Hardware.

Shift the Audio Signal Pitch Using MATLAB Function Block in Simulink

This example shows you how to shift the pitch of an audio signal on Raspberry Pi™ hardware by using a MATLAB® Function block with the Simulink® Support Package for Raspberry Pi Hardware.

Customize Color Within Video Using MATLAB Function Block in Simulink

This example shows you how to replace a particular color in a live video stream with an image on Raspberry Pi™ hardware by using a MATLAB® Function block.