From Embedded Systems Learning Academy
Self Driving Car
Abstract
Objective and Scope
Team Members & Responsibilities
- Sensor Controller:
- Chinmay Vaidya
- Manuj Shinkar
- Motor Controller:
- Viral Agrawal
- Mitesh Sanghvi
- I/O Unit:
- Communication Bridge + Android:
- Jayanth Nallapothula
- Manish Mandalik
- Kwun Fung Ng (Daniel)
- Geographical Controller:
- Ishan Bhavsar
- Tanuj Chirimar
- Sushant Potdar
- Master Controller:
- Dhaval Parikh
- Harita Dhiren Parekh
- Rutwik Kulkarni
Introduction
Schedule
Sensor Team Schedule
| Sl. No
|
Start Date
|
End Date
|
Task
|
Status
|
Actual Completion Date
|
| 1
|
09/14/2014
|
09/20/2014
|
Understanding the logic of sensors to be used
|
Completed
|
09/20/2014
|
| 2
|
09/21/2014
|
10/04/2014
|
Writing the codes for the different types of sensors
|
Completed
|
10/04/2014
|
| 3
|
10/05/2014
|
10/11/2014
|
Testing the different sensors for accuracy and placing the order for the one we have selected.
|
Completed
|
10/11/2014
|
| 4
|
10/12/2014
|
10/25/2014
|
Build CAN transceiver and send data to the Master Board
|
Completed
|
10/25/2014
|
| 5
|
10/26/2014
|
11/01/2014
|
Place all the sensors on car and test for obstacle avoidance
|
Completed
|
10/28/2014
|
| 6
|
11/02/2014
|
11/14/2014
|
Work on light and tilt sensors
|
Scheduled
|
YTD
|
| 7
|
11/15/2014
|
12/09/2014
|
Final testing and debugging
|
Scheduled
|
YTD
|
Motor Team Schedule
| Sl. No
|
Start Date
|
End Date
|
Task
|
Status
|
Actual Completion Date
|
| 1
|
09/14/2014
|
09/20/2014
|
Understand the logic of Motor Controller present in the RC Car
|
Completed
|
09/20/2014
|
| 2
|
09/21/2014
|
09/27/2014
|
Replace on-board controller with SJSU One board
|
Completed
|
09/22/2014
|
| 3
|
09/28/2014
|
10/04/2014
|
Drive the DC motor with SJSU One board at different Duty Cycles
|
Completed
|
09/30/2014
|
| 4
|
10/05/2014
|
10/11/2014
|
Test the Servo and DC motor together for moving forward and taking turns
|
Completed
|
10/09/2014
|
| 5
|
10/12/2014
|
10/18/2014
|
Build CAN Transceiver and move the car as per the CAN message received
|
Completed
|
10/13/2014
|
| 6
|
10/19/2014
|
10/25/2014
|
Make arrangement for CAN subscription task
|
Completed
|
10/25/2014
|
| 7
|
10/26/2014
|
11/01/2014
|
Interface encoder and calculate the actual speed at which car is running
|
Completed
|
10/28/2014
|
| 8
|
11/02/2014
|
11/08/2014
|
Make compensation algorithm and make car to move at desired speed
|
Scheduled
|
YTD
|
| 9
|
11/09/2014
|
12/09/2014
|
Final testing and debugging
|
Scheduled
|
YTD
|
I/O Team Schedule
| Sl. No
|
Start Date
|
End Date
|
Task
|
Status
|
Actual Completion Date
|
| 1
|
09/14/2014
|
09/20/2014
|
Search and order GLCD module with touch screen, LEDs for headlights
|
Completed
|
09/20/2014
|
| 2
|
09/21/2014
|
10/04/2014
|
Study of GLCD data frame formats and design GUI
|
Completed
|
10/03/2014
|
| 3
|
10/05/2014
|
10/11/2014
|
Development of GLCD functions including touchscreen handler
|
Completed
|
10/11/2014
|
| 4
|
10/12/2014
|
10/25/2014
|
Setup CAN subscription tasks for communication with Master controller
|
In Progress
|
10/22/2014
|
| 5
|
10/26/2014
|
11/01/2014
|
Develop hardware and code for automatic headlight control, battery health indication
|
Scheduled
|
YTD
|
| 6
|
11/02/2014
|
11/14/2014
|
Build hardware for switches and write interrupt handlers for the same
|
Scheduled
|
YTD
|
| 7
|
11/15/2014
|
12/09/2014
|
Mount GLCD, headlights, switches on car and final testing
|
Scheduled
|
YTD
|
Communication Bridge + Android Team Schedule
| Sl. No
|
Start Date
|
End Date
|
Task
|
Status
|
Actual Completion Date
|
| 1
|
09/14/2014
|
09/20/2014
|
Google maps API research
|
Completed
|
09/20/2014
|
| 2
|
09/21/2014
|
10/04/2014
|
Mock locations on Google maps and simulate co-ordinates w/o gps
|
Completed
|
10/04/2014
|
| 3
|
10/05/2014
|
10/11/2014
|
Two way Bluetooth communication and setup RTOS tasks
|
Completed
|
10/11/2014
|
| 4
|
10/12/2014
|
10/25/2014
|
Raw GUI for app and setup CAN tasks for Start and Stop commands
|
Completed
|
10/25/2014
|
| 5
|
10/26/2014
|
11/01/2014
|
Integration with GEO module and queue for each subscribed service
|
Ongoing
|
TBD
|
| 6
|
11/02/2014
|
11/09/2014
|
Incorporate all essential services into Android app and test for response
|
Scheduled
|
TBD
|
| 7
|
11/10/2014
|
11/16/2014
|
Final setup and changes for all the CAN tasks along with XBee interfacing
|
Scheduled
|
TBD
|
| 8
|
11/17/2014
|
11/23/2014
|
Testing with GEO module with real-time co-ordinates and plotting way points onto Maps
|
Scheduled
|
TBD
|
| 9
|
11/23/2014
|
12/09/2014
|
Final Testing and verification of all components on the main field
|
Scheduled
|
TBD
|
GEO Team Schedule
| Sl. No
|
Start Date
|
End Date
|
Task
|
Status
|
Actual Completion Date
|
| 1
|
09/7/2014
|
09/14/2014
|
Market research for GPS and Compass Modules
|
Completed
|
09/14/2014
|
| 2
|
09/14/2014
|
09/21/2014
|
Place order / receive the modules
|
Completed
|
09/20/2014
|
| 3
|
09/21/2014
|
09/28/2014
|
Interface GPS with SJ -One board via UART
|
Completed
|
09/26/2014
|
| 4
|
09/28/2014
|
10/05/2014
|
Interface Compass with SJ-One Board via I2C
|
Completed
|
10/03/2014
|
| 5
|
10/05/2014
|
10/12/2014
|
Parsing the GPS data stream
|
Completed
|
10/11/2014
|
| 6
|
10/12/2014
|
10/19/2014
|
Calibration and testing of compass
|
Completed
|
10/13/2014
|
| 7
|
10/12/2014
|
10/19/2014
|
Decide CAN message ID’s and message formats
|
Completed
|
10/28/2014
|
| 8
|
10/19/2014
|
10/26/2014
|
Combining UART and GPS parsing. Create task for GPS
|
Completed
|
10/25/2014
|
| 9
|
10/19/2014
|
10/26/2014
|
Combining compass calibration and i2c interface. Create task for Compass
|
Completed
|
10/25/2014
|
| 10
|
10/26/2014
|
11/02/2014
|
Inter Task Communication (Queues/Shared Objects)
|
In-Progress
|
TBD
|
| 11
|
11/03/2014
|
11/10/2014
|
Synchronization and Data Integrity (Semaphores/Mutex/Critical Section)
|
Scheduled
|
TBD
|
| 12
|
11/11/2014
|
11/25/2014
|
Final Integration of CAN Framework and Implementation of CAN communication with other modules
|
Scheduled
|
TBD
|
| 13
|
11/26/2014
|
12/09/2014
|
Testing and debugging on car (Re-Calibration/Bug Fixes)
|
Scheduled
|
TBD
|
Master Team Schedule
| Sl. No
|
Start Date
|
End Date
|
Task
|
Status
|
Actual Completion Date
|
| 1
|
09/7/2014
|
09/13/2014
|
Understanding CAN Bus and API's
|
Completed
|
09/13/2014
|
| 2
|
09/14/2014
|
09/20/2014
|
Deciding System Flow
|
Completed
|
09/20/2014
|
| 3
|
09/21/2014
|
09/27/2014
|
Deciding MSG id's for all devices
|
Completed
|
10/27/2014
|
| 4
|
09/28/2014
|
10/11/2014
|
Testing Subscription between 2 devices
|
Completed
|
10/4/2014
|
| 5
|
09/28/2014
|
10/11/2014
|
Making CAN bus hardware to interface all SJOne boards
|
Completed
|
10/11/2014
|
| 6
|
09/28/2014
|
10/11/2014
|
Testing subscription and time sync between all devices
|
Completed
|
10/11/2014
|
| 7
|
10/12/2014
|
10/18/2014
|
Reading sensor data from boards at the subscription rate
|
Completed
|
10/26/2014
|
| 8
|
10/19/2014
|
11/1/2014
|
Algorithm for obstacle avoidance
|
Completed
|
10/27/2014
|
| 9
|
11/2/2014
|
11/15/2014
|
Algorithm for GPS based navigation
|
Scheduled
|
TBD
|
| 10
|
11/16/2014
|
11/22/2014
|
Initial testing and tweaking of the car
|
Scheduled
|
TBD
|
| 11
|
11/23/2014
|
12/9/2014
|
Final Testing! Showdown time!
|
Scheduled
|
TBD
|
Parts List & Cost
| Qty
|
Description
|
Manufacturer
|
Part Number
|
Total Cost
|
| 1 |
RC Car |
- |
- |
$$$
|
| 10 |
CAN transceivers |
- |
- |
Free
|
| 1 |
GPS module |
- |
- |
$$
|
| 1 |
Magnetometer Module |
- |
- |
$
|
| 1 |
Ultrasonic Sensor |
- |
- |
$$
|
| 1 |
Misc Components |
- |
- |
$
|
| |
Total Cost |
|
|
INCREASING!!
|
Backup Parts & cost
| Qty
|
Description
|
Manufacturer
|
Part Number
|
Total Cost
|
Design & Implementation
CAN 11-bit ID Format
| MSG
|
DST
|
SRC
|
| 5 bits (11-6)
|
3 bits (5-3)
|
3 bits (2-0)
|
Controller ID Table
| Controller ID
|
Controller Type
|
| 001
|
Motor Controller
|
| 010
|
Master Controller
|
| 011
|
Sensor Controller
|
| 100
|
GEO Controller
|
| 110
|
Communication Bridge + Android Controller
|
| 111
|
I/O Controller
|
Controller Communication Table
Master Controller Communication Table
| Message Number
|
Purpose
|
Data layout
|
| 0x040
|
Heartbeat
|
|
| 0x14A
|
Motor Speed and Direction
|
byte [0] : (uint8_t) Speed
byte [1] : (uint8_t) Direction
|
| 0x3E2
|
Destination Change, Kill or Crash
|
|
| 0x402
|
Update Time
|
|
Motor Controller Communication Table
| Message Number
|
Purpose
|
Data layout
|
| 0x091
|
Heartbeat Ack (Response to 0x040)
|
|
| 0x379
|
Speed Data
|
byte [0] : (uint8_t) Speed of Car
|
| 0x371
|
Speed Data
|
byte [0] : (uint8_t) Speed of Car
|
| 0x451
|
Power Up, Boot Status and Version
|
byte [0] : (uint8_t) Power Up
byte [1] : (uint8_t) Boot Status
byte [2] : (uint8_t) Version
|
GEO Controller Communication Table
| Message Number
|
Purpose
|
Data layout
|
| 0x094
|
Heartbeat Ack (Response to 0x040)
|
|
| 0x454
|
Power Up, Boot Status and Version
|
byte [0] : (uint8_t) Power Up
byte [1] : (uint8_t) Boot Status
byte [2] : (uint8_t) Version
|
| 0x1D4
|
Compass Heading and Desired Heading
|
byte [0] : (uint8_t) Compass Heading
byte [1] : (uint8_t) Desired Heading
|
| 0x234
|
Request next Checkpoint
|
|
| 0x294
|
Distance from Destination
|
byte [0] : (uint8_t) Distance
|
| 0x2B4
|
Distance from Destination
|
byte [0] : (string) Distance
|
| 0x2BC
|
Distance from Destination
|
byte [0] : (string) Distance
|
| 0x2F4
|
Current Location of GPS
|
byte [0-2] : (string) Longitude and Latitude
|
Communication Bridge + Android Controller Communication Table
| Message Number
|
Purpose
|
Data layout
|
| 0x096
|
Heartbeat Ack (Response to 0x040)
|
|
| 0x456
|
Power Up, Boot Status and Version
|
byte [0] : (uint8_t) Power Up
byte [1] : (uint8_t) Boot Status
byte [2] : (uint8_t) Version
|
| 0x116
|
On/Off Command
|
|
| 0x266
|
Checkpoints from Android
|
byte [0-7] : (string) Longitude, Latitude, Distance between two co-ordinates, Number of Checkpoints.
|
Sensor Controller Communication Table
| Message Number
|
Purpose
|
Data layout
|
| 0x093
|
Heartbeat Ack (Response to 0x040)
|
|
| 0x453
|
Power Up, Boot Status and Version
|
byte [0] : (uint8_t) Power Up
byte [1] : (uint8_t) Boot Status
byte [2] : (uint8_t) Version
|
| 0x1B3
|
Front/Rear Sensor Data
|
byte [0] : (uint8_t) Sensor Data
|
| 0x194
|
Front/Rear Sensor Data
|
byte [0] : (uint8_t) Sensor Data
|
| 0x1BB
|
Front/Rear Sensor Data
|
byte [0] : (uint8_t) Sensor Data
|
| 0x333
|
Data from Sensors like Tilt, Light etc.
|
byte [0] : (uint8_t) Sensor Data
|
| 0x33B
|
Data from Sensors like Tilt, Light etc.
|
byte [0] : (uint8_t) Sensor Data
|
| 0x3B1
|
Error and Communication Status
|
byte [0] : (uint8_t) Error Data
|
| 0x3B9
|
Error and Communication Status
|
byte [0] : (uint8_t) Error Data
|
I/O Controller Communication Table
| Message Number
|
Purpose
|
Data layout
|
| 0x097
|
Heartbeat Ack (Response to 0x040)
|
|
| 0x457
|
Power Up, Boot Status and Version
|
byte [0] : (uint8_t) Power Up
byte [1] : (uint8_t) Boot Status
byte [2] : (uint8_t) Version
|
| 0x117
|
Front/Rear Sensor Data
|
byte [0] : (uint8_t) Sensor Data
|
| 0x4D7
|
Battery Status and Key Press
|
byte [0] : (uint8_t) Battery Status
|
Testing & Technical Challenges
| Sl. No
|
Test Case
|
Test Description
|
Result
|
Challenges and Learning
Future Enhancement
Conclusion
Project Video
Project Source Code
References
Acknowledgement
References Used
- Preetpal Kang, Lecture notes of CMPE 243, Computer Engineering, Charles W. Davidson College of Engineering, San Jose State University, Aug-Dec 2014.
- en.wikipedia.org/
