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Embedded Interface – LCD HD44780

  • HD44780 compliant controllers 16×2 Character LCD is a very basic and low-cost LCD module that is commonly used in electronic products and projects.
  • 16×2 means it contains 2 rows that can display 16 characters.
  • Its other variants such as 16×1 and 16×4 are also available in the market.
  • In these displays, each character is displayed using 5×8 or 5×10 dot matrix.

Experiments

  • Change Cursor Location Based on Key Input

LCD4 Bit Mode Functions

void Lcd4_Clear()   {    Lcd4_Cmd(0x00);    Lcd4_Cmd(0x01);    }    // clear screen 0x01

void Lcd4_DisplayOFF_BlinkON_CursorON()        {    Lcd4_Cmd(0x00);    Lcd4_Cmd(0x0B);    }    // 0x0B

void Lcd4_DisplayON_BlinkOFF_CursorOFF()    {    Lcd4_Cmd(0x00);    Lcd4_Cmd(0x0C);    }    // 0x0C

void Lcd4_DisplayON_BlinkOFF_CursorON()     {    Lcd4_Cmd(0x00);    Lcd4_Cmd(0x0D);    }    // 0x0C

void Lcd4_DisplayON_BlinkON_CursorOFF() {    Lcd4_Cmd(0x00);    Lcd4_Cmd(0x0E);    }    // 0x0E

//void Lcd4_Shift_Left()                      {   Lcd4_Cmd(0x01); Lcd4_Cmd(0x08); }   //  0x18

//void Lcd4_Shift_Right()                     {   Lcd4_Cmd(0x01); Lcd4_Cmd(0x0C); }   //  0x1C

 

 

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