Difference between revisions of "S19: Mystery Machine"

From Embedded Systems Learning Academy
Jump to: navigation, search
(→‎Schedule)
(→‎CAN Communication)
Line 442: Line 442:
 
== CAN Communication ==
 
== CAN Communication ==
 
<Talk about your message IDs or communication strategy, such as periodic transmission, MIA management etc.>
 
<Talk about your message IDs or communication strategy, such as periodic transmission, MIA management etc.>
 +
 +
System Nodes: SENSOR, MOTOR, GEO CONTROLLER, BRIDGE, MASTER
 +
 +
 +
{| class="wikitable"
 +
|-
 +
! scope="col"| SNo.
 +
! scope="col"| Message ID
 +
! scope="col"| Message from Source Node
 +
! scope="col"| Receiver Nodes
 +
|-
 +
|-
 +
! colspan="4"| Sensor Controller Message
 +
|-
 +
|-
 +
| 1
 +
| 500
 +
| Packs center, left, right and back Ultrasonic sensor values in to CAN Frame
 +
| Master
 +
|-
 +
|-
 +
! colspan="4"| Motor Controller Message
 +
|-
 +
|-
 +
| 2
 +
| 600
 +
| Packs momentum and turn in to CAN Frame
 +
| Master
 +
|-
 +
|-
 +
! colspan="4"| Geo Controller Message
 +
|-
 +
|-
 +
| 3
 +
| 700
 +
| Sends Steer direction(Left, Right, Straight)
 +
| Master
 +
|-
 +
|-
 +
| 4
 +
| 701
 +
| Sends GPS Co-ordinates(x,y)
 +
| Master, Bridge
 +
|-
 +
|-
 +
| 5
 +
| 710
 +
| sends the destination reached status
 +
| Master, Bridge
 +
|-
 +
|-
 +
! colspan="4"| Bridge Controller Message
 +
|-
 +
|-
 +
| 6
 +
| 800
 +
| System start/stop command
 +
| Master
 +
|-
 +
|-
 +
| 7
 +
| 801
 +
| GPS Co-ordinates
 +
| Geo
 +
|-
 +
|-
 +
! colspan="4"| Master Controller Message
 +
|-
 +
|-
 +
| 8
 +
| 400
 +
| Direction(Left, Right) and STOP or START)
 +
| Motor
 +
|-
 +
|-
  
 
=== Hardware Design ===
 
=== Hardware Design ===

Revision as of 23:18, 29 April 2019

Project Title

Mystery Machine

Abstract

<2-3 sentence abstract>

Introduction

The project was divided into 6 modules:

  • Master Controller
  • Sensor Controller
  • Geo Controller
  • Bridge Controller
  • Android Application
  • Motor and Steering Controller

Team Members & Responsibilities

<Team Picture>



Schedule

Week# Start Date End Date Task Status
1
  • 02/22/2019
  • 02/22/2019
  • 02/22/2019
  • 02/22/2019
  • 02/22/2019
  • 03/01/2019
  • Read previous projects, gather information and discuss among the group members.
  • Distribute modules to each team member.
  • Make a list for parts required by each ECU
  • Completed
  • Completed
2
  • 03/01/2019
  • 03/01/2019
  • 03/01/2019
  • 03/01/2019
  • 03/01/2019
  • 03/01/2019
  • 03/08/2019
  • 03/08/2019
  • 03/08/2019
  • 03/08/2019
  • Timeline of modules' completion discussed
  • Android Application: Upload Project to GitLab and Plot Route to destination with dummy location
  • Bridge Controller: Establish UART to CAN bridge on SJOne board as well as setup and configuration of MQTT Broker on EC2 instance
  • Motor Controller: Understand the working of Electronic Speed Controllers and study previous project reports
  • Sensor Controller: Decide and order the sensors required for Obstacle Avoidance
  • Completed
  • Completed
  • Completed
  • Completed
  • Completed
3
  • 03/08/2019
  • 03/08/2019
  • 03/08/2019
  • 03/08/2019
  • 03/08/2019
  • 03/10/2019
  • 03/15/2019
  • 03/15/2019
  • 03/13/2019
  • 03/15/2019
  • Order the RC car and the required Peripherals
  • Android Application: Create base android project with map and display activities
  • GPS Controller: Create an algorithm for the navigation system
  • Bridge Controller: Implementation of basic lightweight web server for WiFi configuration using GUI
  • Motor Controller: Work on the ESC of the RC car and develop algorithm for the Steering Control
  • Completed
  • Completed
  • Completed
  • Completed
  • Completed
4
  • 03/15/2019
  • 03/15/2019
  • 03/15/2019
  • 03/15/2019
  • 03/15/2019
  • 03/15/2019
  • 03/15/2019
  • 03/15/2019
  • Android: Get access tokens for Google API to enable maps in the application
  • GPS Controller: Get raw values from MPU9150 IMU sensor
  • Bridge Controller:Implementation of mDNS protocol for discovery of device on local subnet
  • Motor Controller: Tap into the servo motor controlling the steering
  • Completed
  • Completed
  • Completed
  • Completed
5
  • 03/08/2019
  • 03/08/2019
  • 03/08/2019
  • 03/08/2019
  • 03/08/2019
  • 03/22/2019
  • 03/22/2019
  • 03/22/2019
  • 03/22/2019
  • 03/22/2019
  • Android: Embed Google maps onto the Android App and add the project to the git repository
  • GPS Controller: Implement driver to get filtered values from the IMU
  • Bridge Controller: Implementation of MQTT Protocol on ESP8266
  • Pin Layouts from all groups
  • Motor Controller: Tap into the in-built ESC and overclock
  • Completed
  • Completed
  • Completed
  • Completed
6
  • 03/22/2019
  • 03/22/2019
  • 03/22/2019
  • 03/22/2019
  • 03/22/2019
  • 03/29/2019
  • 03/29/2019
  • 03/29/2019
  • 03/24/2019
  • 03/29/2019
  • GPS Controller: Send and receive coordinates and other parameters between Car and appS
  • PCB layout 1st Iteration
  • Bridge Controller: Configure ESP8266 (as Wifi-to-serial bridge) to receiver data over Wifi and push it on UART
  • Motor Controller: Find suitable Motor Driver Module and place an order
  • Sensor Controller: Experiment with the different sensors to check for which type works best for the RC Car
  • Completed
  • Completed
  • Completed
  • Completed
7
  • 03/29/2019
  • 03/29/2019
  • 03/29/2019
  • 03/29/2019
  • 04/05/2019
  • 04/07/2019
  • 04/05/2019
  • 04/05/2019
  • GPS Controller: Send and receive coordinates and other parameters between Car and appS
  • Bridge Controller: Program for MQTT Client to UART link on ESP8266 module
  • Motor Controller: Find optimal Frequency and PWM values to drive Steering and Rear Wheels
  • Sensor Controller: Obstacle detection with SJ One board
  • Completed
  • Completed
  • Completed
  • Completed
8
  • 04/05/2019
  • 04/05/2019
  • 04/05/2019
  • 04/05/2019
  • 04/05/2019
  • 04/05/2019
  • 04/09/2019
  • 04/09/2019
  • 04/12/2019
  • 04/12/2019
  • 04/12/2019
  • 04/10/2019
  • Android: Read the current position and get user input for the destination
  • GPS Controller: Get GPS and COMPASS readings and parse them
  • Bridge Controller: MQTT to UART to CAN Bus Link and Bridge Controller MQTT to Android application Connection Link
  • Master Controller: Define and acquire DBC messages intended for master
  • Motor Controller: Implementation of basic maneuvering of the RC car
  • Sensor Controller: Integration with the RC Car and distance calculation
  • Completed
  • Completed
  • Completed
  • Completed
  • Completed
  • Completed
9
  • 04/12/2019
  • 04/12/2019
  • 04/12/2019
  • 04/12/2019
  • 04/12/2019
  • 04/12/2019
  • Android: Configure the UI elements for live monitoring in the app.
  • GPS Controller: Get the destination and waypoints from the Bridge Controller
  • Bridge Controller: Define messages and MQTT topics for bridge to app communication
  • Master Controller: Create a simple program to instruct motor ECU to drive and acquire sensor values to send stop instruction to motor ECU
  • Motor Controller: Implementation of RPM Sensor and integration with CAN Bus
  • Sensor Controller: Final Testing
  • Completed
  • Completed
  • Completed
  • Completed
  • Completed
  • Completed
10
  • 04/19/2019
  • 04/19/2019
  • 04/19/2019
  • 04/19/2019
  • 04/19/2019
  • Android: Define the message parameters and packing format for communication between car and app and plot the waypoints for the given coordinates
  • GPS Controller: Calculate Bearing and send navigation instructions to the Master
  • Bridge Controller: Encapsulation and parsing the data from MQTT payload
  • Master Controller: Receive navigation instructions from the GPS Controller and move the car accordingly
  • Motor Controller: Fine tuning of Speed Control and Steering control using PWM duty cycle levels
  • Completed
  • Completed
  • Completed
  • Completed
  • Completed
11
  • 04/26/2019
  • 04/26/2019
  • 04/26/2019
  • 04/26/2019
  • 04/26/2019
  • Android: Send coordinates to Car
  • GPS Controller: Mount on the car and start testing on the field and make final changes accordingly
  • Bridge Controller: Display interfacing and Battery monitoring mechanism
  • Master Controller: Create a proper obstacle avoidance algorithm and start the implementation
  • Motor Controller: Optimize control by accelerating / decelerating as instructed by Master Controller
12
  • 05/03/2019
  • 05/03/2019
  • 05/03/2019
  • 05/03/2019
  • 05/03/2019
  • Android: Add additional commands to the app (stop, reset, reroute)
  • GPS Controller: Final system testing
  • Bridge Controller: Bluetooth to CAN bus interfacing and Final Testing
  • Master Controller: Final testing of obstacle avoidance and navigation
  • Motor Controller: Final Testing
13

05/10/2019

Design and implementation of exterior body

14

05/17/2019

Resolve any issues before Final Demo

15

05/22/2019

FINAL DEMO

Parts List & Cost

Item# Part Desciption Vendor Qty Cost
1 RC Car Amazon 1 $90.00
2 CAN Transceivers MCP2551-I/P AliExpress 8 $1.13/piece

Printed Circuit Board

<Picture and information, including links to your PCB>

CAN Communication

<Talk about your message IDs or communication strategy, such as periodic transmission, MIA management etc.>

System Nodes: SENSOR, MOTOR, GEO CONTROLLER, BRIDGE, MASTER


Hardware Design

<Show your CAN bus hardware design>

DBC File

<Gitlab link to your DBC file> <You can optionally use an inline image> 



BO_ 500 SENSOR_CONTROLLER: 18 SENSORS
 SG_ SENSOR_CONTROLLER_Front_US : 0|16@1+ (1,0) [0|100] "%" MASTER
 SG_ SENSOR_CONTROLLER_Front_left_IR : 16|16@1+ (1,0) [0|100] "%" MASTER
 SG_ SENSOR_CONTROLLER_Front_right_IR : 32|16@1+ (1,0) [0|100] "%" MASTER
 SG_ SENSOR_CONTROLLER_Back_IR : 48|16@1+ (1,0) [0|100] "%" MASTER
 
BO_ 600 MOTOR_CONTROLLER: 1 MOTOR
 SG_ MOTOR_CONTROLLER_MOMENTUM : 0|4@1+ (1,0) [0|15] "" MASTER
 SG_ MOTOR_CONTROLLER_TURN : 4|4@1+ (1,0) [0|15] "" MASTER

BO_ 400 MASTER_CONTROLLER: 3 MASTER
 SG_ MASTER_CONTROLLER_LEFT : 0|8@1+ (1,0) [0|15] "" MOTOR
 SG_ MASTER_CONTROLLER_RIGHT : 8|8@1+ (1,0) [0|15] "" MOTOR
 SG_ MASTER_CONTROLLER_STOP : 16|8@1+ (1,0) [0|15] "" MOTOR
 SG_ MASTER_CONTROLLER_START : 24|8@1+ (1,0) [0|15] "" MOTOR

BO_ 700 STEER_DIRECTION: 1 GEO
 SG_ STEER_DIRECTION_LEFT : 0|8@1+ (1,0) [0|0] "STEER LEFT DEGREES" MASTER
 SG_ STEER_DIRECTION_RIGHT : 8|8@1+ (1,0) [0|0] "STEER RIGHT DEGREES" MASTER
 SG_ STEER_DIRECTION_STRAIGHT : 16|8@1+ (1,0) [0|0] "STRAIGHT" MASTER

BO_ 701 TELEMETRY: 2 GEO
 SG_ CURRENT_GPS_COORDINATES_X : 0|32@1+ (0.000001,0) [0|0] "" MASTER,BRIDGE 
 SG_ CURRENT_GPS_COORDINATES_Y : 32|32@1+ (0.000001,0) [0|0] "" MASTER,BRIDGE 

BO_ 710 DESTINATION_REACHED: 1 GEO
 SG_ DESTINATION_REACHED : 0|8@1+ (1,0) [0|0] "" MASTER,BRIDGE

BO_ 800 APP_CMD: 2 BRIDGE
 SG_ START_COMMAND : 0|8@1+ (1,0) [0|0] "" MASTER 
 SG_ ABORT_COMMAND: 8|16@1+ (1,0) [0|0] "" MASTER 
BO_ 801 APP_GPS: 8 BRIDGE
 SG_ DEST_GPS_COORDINATES_X : 0|32@1+ (0.000001,0) [0|0] "" GEO 
 SG_ DEST_GPS_COORDINATES_Y : 32|32@1+ (0.000001,0) [0|0] "" GEO

Sensor ECU

<Picture and link to Gitlab>

Hardware Design

Software Design

<List the code modules that are being called periodically.>

Technical Challenges

<Bullet or Headings of a module>

Unreliable sonor sensors

<Problem Summary> <Problem Resolution>


Motor ECU

<Picture and link to Gitlab>

Hardware Design

Software Design

<List the code modules that are being called periodically.>

Technical Challenges

<Bullet or Headings of a module>

Unreliable Servo Motors

<Problem Summary> <Problem Resolution>


Geographical Controller

<Picture and link to Gitlab>

Hardware Design

Software Design

<List the code modules that are being called periodically.>

Technical Challenges

<Bullet or Headings of a module>

Unreliable GPS lock

<Problem Summary> <Problem Resolution>


Communication Bridge Controller & LCD

<Picture and link to Gitlab>

Hardware Design

Software Design

<List the code modules that are being called periodically.>

Technical Challenges

<Bullet or Headings of a module>

Insane Bug

<Problem Summary> <Problem Resolution>


Master Module

<Picture and link to Gitlab>

Hardware Design

Software Design

<List the code modules that are being called periodically.>

Technical Challenges

<Bullet or Headings of a module>

Improper Unit Testing

<Problem Summary> <Problem Resolution>


Mobile Application

<Picture and link to Gitlab>

Hardware Design

Software Design

<List the code modules that are being called periodically.>

Technical Challenges

<Bullet or Headings of a module>

Wifi Link Reliability

<Problem Summary> <Problem Resolution>


Conclusion

<Organized summary of the project>

<What did you learn?>

Project Video

Project Source Code

Advise for Future Students

<Bullet points and discussion>

Acknowledgement

References

SNo. Message ID Message from Source Node Receiver Nodes
Sensor Controller Message
1 500 Packs center, left, right and back Ultrasonic sensor values in to CAN Frame Master
Motor Controller Message
2 600 Packs momentum and turn in to CAN Frame Master
Geo Controller Message
3 700 Sends Steer direction(Left, Right, Straight) Master
4 701 Sends GPS Co-ordinates(x,y) Master, Bridge
5 710 sends the destination reached status Master, Bridge
Bridge Controller Message
6 800 System start/stop command Master
7 801 GPS Co-ordinates Geo
Master Controller Message
8 400 Direction(Left, Right) and STOP or START) Motor
Retrieved from "http://socialledge.com/sjsu/index.php?title=S19:_Mystery_Machine&oldid=52362"