1 / 22

NIOS II Ethernet Communication Final Presentation

NIOS II Ethernet Communication Final Presentation. By: Gilad Shterenshis Supervisor: Ina Rivkin Winter 2008. Content. Background and Project Goals Development Tools NIOS II System Design Flow SOPC System Design Steps Interface Project Milestones. Background and Project Goals.

arnav
Download Presentation

NIOS II Ethernet Communication Final Presentation

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. NIOS II Ethernet CommunicationFinal Presentation By: Gilad Shterenshis Supervisor: Ina Rivkin Winter 2008

  2. Content • Background and Project Goals • Development Tools • NIOS II System Design Flow • SOPC System • Design Steps • Interface • Project Milestones

  3. Background and Project Goals • Previous project: Implementation of simple calculator with Altera DE2 Board (Cyclone II) • Experiencing development tools and design flow • VHDL • Schematic editor • Current project: Create simple calculator in NIOS II processor using Ethernet interface • Implement Ethernet interface to the NIOS II w/o OS • Create HW environment for NIOS II processor • Create small calculator program in C/C++

  4. Development Tools • Software: • Quartus II 8.1 • SOPC Builder 8.1 • NIOS II IDE 8.1 • Aux S/W • Ethereal - Ethernet Sniffer • Colasoft Packet Builder • Hardware: • Altera DE2 Board • Cyclone II FPGA • Fast Ethernet Controller • PC

  5. DM9000A ETH Controller • Fast Ethernet MAC controller • General processor I/F • 10/100 PHY • AUTO-MDIX

  6. NIOS II System Design Flow SOPC Builder: Define & Generate System Quartus II: HW Development NIOS II IDE: SW Development Integration Sim/HW

  7. Project Steps • Build a simple SOPC system • Using On-Chip memory only • Small C library (no user input) • Calculator with RS-232 UART I/F • Using SDRAM memory • Running DE2_NET Example • Loop back cable • Display sent packets • Coding calculator S/W • Generating Ethernet packets • Integration and Debug

  8. UART System • Using RS-232 serial interface (or JTAG UART) • Simple S/W calculator • SDRAM usage

  9. SOPC Major Components LCD JTAG UART UART NIOS II core PIO Ethernet core SDRAM Memory TRI-STATE BRIDGE On-Chip Memory FLASH Memory

  10. SOPC Builder

  11. NIOS II Processor Core

  12. System Setup

  13. Packet Sending and Receiving • The controller add and remove 4 bytes of checksum • The controller filters packets by MAC address • If a packet is received, the NIOS gets an interrupt • The NIOS read the packet from the controller

  14. S/W Operation Sequence • Main • Initiate Controller and peripherals • Register function for interrupt • Main loop - Transmit UDP packets with result embedded • If packet received – Initiate controller • Function: ethernet_interrupts • Receiving packet • Check IP (screen multicast messages) • Read packet data • Build numbers • Calculate result (print to terminal)

  15. Using UDP • Simple, one packet communicating • Point to point • No ACK/NAK required

  16. NIOS II Terminal • Sending packets: • Receiving packets:

  17. Ethernet Sniffer • PC Packet:

  18. Ethernet Sniffer • NIOS II packet:

  19. Ethernet Packet Builder • UDP packets • Enable entering math exercise

  20. Improvements • GUI / Web browser I/F • Fields for entering arguments and operation • Result Field • Screen non related messages

  21. Project Milestones • Characterization presentation - 7/01/09 • Tutorials • Tools learning • Implementing simple system • NIOS II • SW - calculator • UART RS232 • LCD • Implementing ETH I/F • H/W development • S/W coding • Integration • Final presentation • Project summary submission

  22. Thank You!

More Related