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Application of XSBase270 and FPGA

Application of XSBase270 and FPGA. Presenter ： Ming-Hsien Tsai. Outline. Introduction XSbase270 QT Linux Device Drivers Development Environment Principle FPGA Communicating with Hardware Example. Outline. Introduction XSbase270 QT Linux Device Drivers Development Environment

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Application of XSBase270 and FPGA

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  1. Application of XSBase270 and FPGA Presenter：Ming-Hsien Tsai

  2. Outline • Introduction • XSbase270 • QT • Linux Device Drivers • Development Environment • Principle • FPGA • Communicating with Hardware • Example

  3. Outline • Introduction • XSbase270 • QT • Linux Device Drivers • Development Environment • Principle • FPGA • Communicating with Hardware • Example

  4. XSbase270 • XSbase270 is a embedded portable application development platform base on PXA270 processor

  5. QT • Qt is a cross-platform application development framework, widely used for the development of GUI(Graphical User Interface) programs. • Qt uses standard C++ to build programs. • We used Qt3 to build GUI applications.

  6. QT • The GUI programs can rapid build by QT Designer tool. Fig. 1. The example of GUI

  7. Linux Device Drivers Fig. 2. Device driver communicating

  8. Outline • Introduction • XSbase270 • QT • Linux Device Drivers • Development Environment • Principle • FPGA • Communicating with Hardware • Example

  9. Development Environment • OS : Ubuntu 8.10 • Target Kernel : Linux 2.6.9 • Arm-linux-gcc version : 3.3.2 • FPGA : Quartus II 8.0 • QT ： Embedded 3.3.8b

  10. Outline • Introduction • XSbase270 • QT • Linux Device Drivers • Development environment • Principle • Communicating with Hardware • FPGA • Example

  11. Communicating with Hardware • Programming the FPGA device driver functions: • Open() • Read() • Write() • Close()

  12. Communicating with Hardware • FPGA register physical address define in fpga_reg_set.h • #define CS5_BASE_ADDR 0x14000000 • #define SW_PHY_ADDR CS5_BASE_ADDR+0x20000 (read) • #define LED_PHY_ADDR CS5_BASE_ADDR+0x0 (write)

  13. FPGA • Read Cycle Fig. 3. Timing Diagram

  14. 0x0=000000000000000000 LED_PHY_ADDR : 0 FPGA wren SA[17..14] SA_CS5 rden SA_OE 0x20000=100000000000000000 SW_PHY_ADDR : 8 Fig. 4. Decoder

  15. FPGA Fig. 5. Recorder

  16. Outline • Introduction • XSbase270 • QT • Linux Device Drivers • Development Environment • Principle • FPGA • Communicating with Hardware • Example

  17. Example • The example is a the action recorder that can record the buttons by clicking for you. Then it can click the replay button to release the steps.

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