ataberkoklu/saleterminal

FPGA Based Point of Sale Project using Verilog

Resources

Visit Resources Folder

Documentations

Visit Docs Folder

Project Report

• For Project Report Click Here

System

States List

• For State Flowchart Click Here

Clocks

• Base CLK : 50 MHz
• VGA CLK : PLL - 40 MHz

Buttons

• 4-Direction Buttons
• Select Button
• Barcode Number Digits
  • 12 Product
    • 4-digit Code for Each Product
    • Min 2 Different Digit/Button -> 2^4 = 16 Product
  • Quantity
    • Max : 4
    • 4 Button (1, 2, 3, 4)
• Final Decition
  • 4 Button (1, 2, 3, 4) (<-, ^, ->, v)
  • 1 Action Button (Select = Delete) ?+ (Edit Quantity in SW-2 Mode)

Switchs

• SW-1 : Mode Arrow
• SW-2 : Mode Editting
• SW-0 : Button Managment Switch

Segment Display

• (TBD)
• ? Barcode can be Displayed
  • 4 Digit

VGA

• Details & Referrence
• Frame Size : 800 x 600
• Frame Rate : 60 Hz
• Horizontal Timing
  • Visible : 800
  • F. Porch: 40
  • B. Porch: 88
  • S. Pulse: 128
  • Total : 1056
• Vertical Timing
  • Visible : 600
  • F. Porch: 1
  • B. Porch: 23
  • S. Pulse: 4
  • Total : 628
• Total B/s : 39.790.080
• VGA CLK FREQ: 40 MHz

Link Resources

Verilog Tutorial

• Verilog

VGA Controller

• VGA Controller using Verilog
• VGA Controller | Verilog
• VGA Timing Calculations
• One Deep Project - Interresting
  • Project GitHub Page
• VGA Controller but VHDL - Teoritical Supplement
• VGA Moving block and object selection using HDL

Need

• Layout :
  • Product List
  • Basket List
  • Overall Price
  • Logo
• 12 Product : banana(3124), patato(4132), tomato(4133), peach(3121), apple(3133), pineapple(3214), avocado(2134), cherry(2144), fig(3112), grape(4321), kiwi(1342), lemon(1213)
  • Images : Fixed Sized (100 x 100), Fixed Position
• 3 Modes :
  • Barcode : SW1 & SW2 OFF
  • Arrow : SW1 ON & SW2 OFF
  • Basket Editing : SW2 ON & SW1 X