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RTOS with NiosII

RTOS with NiosII. Stig Dyngeland Pia Katrin Berge Iago Martin Eraso. Wireless connection. Two sensor nodes. One placed strategically, the other one is connected to a central unit (host pc). Mesh network. Can easily be expanded to a mesh network. TECHNOLOGY. FPGA Nios II processor.

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RTOS with NiosII

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  1. RTOS withNiosII Stig Dyngeland Pia Katrin Berge Iago Martin Eraso

  2. Wireless connection • Two sensor nodes. • One placed strategically, the other one is connected to a central unit (host pc).

  3. Mesh network • Can easily be expanded to a mesh network.

  4. TECHNOLOGY • FPGA • Nios II processor

  5. Technology cont. • Operating System • Real-Time Operating System

  6. SIERRA • 16 Tasks • 16 Semaphores • 8 Priority levels • 4 Flag bits

  7. Tools • QuartusII • SOPC-Builder • NiosII IDE

  8. Design flow

  9. DE2 – board and RF- module RC1280

  10. Hardware

  11. Software • Functions: • void Uart_send(unsignedchar data) • int Uart_receive(void) • void ASCii2Binary(char x) • LCD functions: • void LCD_Init() • void LCD_Show_Text(char* Text) • void LCD_Line2()

  12. Software cont. • The send program • Two tasks: • void idle(void) • void send(void)

  13. Software cont. • The receive program • Five tasks: • void idle(void) • void receive(void) • void print(void) • void lcd(void) • void get_data(void)

  14. PCB Components • RF module: RC1280

  15. PCB Components • FPGA CYCLONE II EP2C35

  16. PCB Components in short • RS232

  17. PCB Components • USB Blaster

  18. PCB Components • SRAM • FLASH Memory • Battery

  19. PCB Block Diagram

  20. Design

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