7-Segment LED Controller ??

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7-Segment LED Controller ??

• Lecture 10

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????

• ??? ??? ?? VHDL? ????? ???
• ???? ????? ?? ? ????? ????
• ?? ???? ?? ??? FND(7 Segment) ? ??? ????

3
????

• 7-Segment LED(FND) ??
• PXA255-FPGA FND ??? ??
• 7-Segment LED Controller ??
• 7-Segment LED Controller ???

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Output Device ??????(LED)

• LED(Light Emitting Diode)
• ??? ???? PN?? ????? ??? ??? ?? ??? ?? ???? ????
• ?? (A)? ?? 2?? ??? ????? ? ?? ???()?? ?? ??
  ???(-)??
• ? 2.5V??? ???? 2?? ?? ??? ??? ?? ?????, ?? ??????
  ??? 5V??? ?? (B)? ?? ??? ??? ???? ????? ????

?? (B)
?? (A)
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Output Device 7-Segment LED (1)

• 7-Segment LED
• FND ??? ????, ??? ??? ????? ???? 7?? ??????(LED)?
  ??
• ?? ???(Common Anode) ?  
• ????? ???? ?? ??? ????
• ??? ??? 5V? ?? ???? ? ?? ag ?? 0V? ?? ????? ???
  ??? ?? ????
• ????? ?? ??? ?? ??? ?? ??

Common Anode ?
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Output Device 7-Segment LED (2)

• 7-Segment LED
• ?? ???(Common Cathode) ?
• ????? ???? ?? ??? ????
• ???? ?? ???, ????? ??? ??? 5V? ?? ??? ???
• ????? ?? ??? ?? ??? ?? ??

Common Cathode ?
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Output Device 7-Segment LED Array (1)

• Common Cathode ? 7-Segment LED 4 ARRAY
• 7-Segment LED ? 4? ??? ?? ?
• ????? ?????? com0, com1, com2, com3? 4? ???, ???
  ?? a,b,c,d,e,f,g,dp? ???? ????
• LED? ???? ?? ?? ?? ??? ?? ? ?? ??? ??? ???? ??
  ?????

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Output Device 7-Segment LED Array (2)

• Common Cathode ? 7-Segment LED 4 ARRAY
• Com00, Com1Com2Com31? ??, ?? a,b,c,d,e,f,g??
  ?? ??? 1?? ?? ??? ???? Segment LED? ????

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Output Device 7-Segment LED Array (3)

• Common Cathode? 7-Segment LED ? 4?? ??(Dynamic
  Display)

??? ??? ?? ????? ??? ??? LED? ?? ???? ?? ?? 1??
60? ?? ??? ?? ??? ??? ??? ??????.
1 2 3 4 1 2 3 4
Com00? ?? ? ??? 7-segment LED? ?? Com10? ?? ?
??? 7-segment LED? ?? Com20? ?? ? ??? 7-segment
LED? ?? Com30? ?? ? ??? 7-segment LED? ??
Seg_out0110000 ? a0,b1,c1,defg0? ???.
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Output Device 7-Segment LED Array (4)

• PXA255-FPGA Board 7-Segment LED 6 Array

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Output Device 7-Segment LED Array (5)

• FND? ??? ??? ?? ?

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PXA255-FPGA FND ?? ?? (1)
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PXA255-FPGA FND ?? ?? (2)
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PXA255-FPGA FND ?? ?? (3)
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PXA255-FPGA FND ?? ?? (4)
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7-Segment LED Controller ?? (1)

• 7-Segment LED Controller ?? ??
• ?? ?? (FPGA Dip S/W off, on)
• 6 ?? ?? ??? ??? ??
• Main clock? ???? 1? ??? ????, ??? ?? ?? 6?? ??
  FND array? ?? ??
• ?? ?? (FPGA Dip S/W on, on)
• PXA255-Pro3 main board?? ??? I/O ??? ?? FND
  array? ??
• FPGA Dip S/W ??? ?? ?? ??? ??

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7-Segment LED Controller ?? (2)

• 7-Segment LED Controller ???? ??
• fnd_6digit.vhd ?? ?? ??? ??? VHDL ??
• iom_mode.vhd ?? ?? ??? ??? VHDL ??
• mux_iom.vhd FPGA Dip S/W ??? ?? I/O? ????
  multiplexing ??? ??? VHDL ??
• ??? VHDL ?? ??? ??? ??? ??

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7-Segment LED Controller ?? (3)

• 7-Segment LED Controller ??
• io_top.bdf - top-level block diagram file

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Quartus II Project ?? ?? (1)

• New Project Wizard? ?? Quartus II Project ????
• File ???? New Project Wizard? ???? ??? ????? ??

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Quartus II Project ?? ?? (2)

• New Project Wizard ?
• Project? ??? ?? ? ????? ??? top-level entity ???
  ??

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Quartus II Project ?? ?? (3)

• New Project Wizard ?
• ???? ??? ?? ??? ??? ??? ??? ?? ?? ??
• ??? ??? ???? ????? ??? ADD ALL ??? ???? ?? ??
• ... ??? ???? ??? ?? 4??  ??? ??
• Next??? ?? ?? ???? ??

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Quartus II Project ?? ?? (4)

• New Project Wizard ?
• EDA Tool ? ?? ??? ?? ??
• Thirth party EDA tool? ????? ????, ???? ????
  Next??? ?? ?? ???? ??

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Quartus II Project ?? ?? (5)

• New Project Wizard ?
• Device Family? ???? ??
• PXA255-FPGA??? Cyclone? ??

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Quartus II Project ?? ?? (6)

• New Project Wizard ?
• PXA255-FPGA?? EP1C12Q240C8? ???? ???? ?? Device?
  ??
• ??? ??? Filter?? ?? ?? ??? ? ??

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Quartus II Project ?? ?? (7)

• New Project Wizard ?
• ???? ??? ???? ??
• ??????? ???? ??, top-level design entity ??, ???
  ??? ??? ??

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Quartus II Project ?? ?? (8)

• Project ??

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Quartus II Project ?? ?? (9)

• Pin Assignment
• Pin assignment ??? ???? pin ?? ??
• Pin Assign File ?? - io_top.qps ??? ??? ? ??? ???
  ??? ???? ? ??? ?? ??? ??

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Quartus II Project ?? ?? (10)
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Quartus II Project ?? ?? (11)

• ???? ?? ??? ?? ??
• Device ?? ??? Device Pin Options? ??

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Quartus II Project ?? ?? (12)

• Unused Pin? ?? ??
• Reserve all unused pins?? As Input, tri stated?
  ??
• ??? ??? ??? ?? ?? ??

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Quartus II Project ?? ?? (13)

• Configuration? ?? ??
• ??? ?? Configuration scheme? device? ??

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Quartus II Project ?? ?? (14)

• ?? ??
• General ???  Auto-restart configuration after
  error? ??
• FPGA?? ??? ???? ???? ?? Configuration?? ??

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Quartus II Project ?? ?? (15)

• Compilation
• ????? ??? ????? ?????? Processing ???? Start
  Compilation? ??
• ???? ???? Full compilation was successful ???
  ???? ???? ???? ??? ??

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Quartus II Project ?? ?? (16)

• Configuration
• ????? ??? ?? ???? FPGA? Configuration? ??? ??
• Programmer ?? - EPC2? ???? ??? FPGA?
  Configuration ?? ??? Programmer? ??

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Quartus II Project ?? ?? (17)

• Configuration ?? ????
• Byteblaster ???? JTAG ??? ??? ???? Auto Detect
  ? ?? EPC2? EP1C6 ? ?? ??? ??
• ltnonegt? ?? ???? EPC2?? io_top.pof ???, EP1C6??
  io_top.sof??? ????

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Quartus II Project ?? ?? (18)

• Configuration
• Program/Configure? ?? ??? ??? ??
• Start??? ???? ??? ??? ???? Download ?
  Configuration? ????
• Start??? ???? ????

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7-Segment LED Controller ???

• ???? ???? ?? ? ??? ???? ??
• FPGA Dip S/W? (on, on)?? ???? ?? ?? ??
• ???? ????? ??? ????? ?? ??? ?????? ?????
• mknod /dev/FNDS c 241 0
• insmod fnd_driver.o
• chmod 777 test_fnd
• ./test_fnd ltinput datagt