Paul Staron / HT1621_16seg_LCD

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Embed: (wiki syntax)

« Back to documentation index

digitLCD Class Reference
Public Member Functions

digitLCD Class Reference

9 digit (+ Hz character) 16 segment LCD display
using Holeck's HT1621 LCD driver. More...

#include <digitLCD.h>

Public Member Functions

void init ()
 Initialise display.
void clear ()
 Clear Display.
void LCDon ()
 Powers on LCD bias generators.
void LCDoff ()
 Powers off LCD bias generators (low power mode)
void allsegson ()
 LCD all segments on test.
void HZon ()
 Hz symbol on.
void HZoff ()
 Hz symbol off.

Detailed Description

9 digit (+ Hz character) 16 segment LCD display
using Holeck's HT1621 LCD driver. 

#include "mbed.h"
#include "digitLCD.h"

digitLCD lcd(PTC0,PTC1,PTD6); // WO, CS, DATA

main()
{
    lcd.clear();            // clears display
    lcd.printf("ABCDEFGHI"); // Standard printf function, All ASCII characters will display
    
    while(1){               // basic RTC clock function
        time_t seconds = time(NULL);
        strftime(timebuf, 32, "%H-%M-%S\n", localtime(&seconds));
        strftime(datebuf, 32, "%a %d%b\n", localtime(&seconds));        
        if (n<7){lcd.printf(timebuf);}
            else{lcd.printf(datebuf);}
        if(n>10){n=0;}
        n++;
        wait(1);       
    }

Definition at line 199 of file digitLCD.h.

Member Function Documentation

void allsegson (  )

LCD all segments on test.

Definition at line 34 of file digitLCD.cpp.

void clear (  )

Clear Display.

Definition at line 23 of file digitLCD.cpp.

void HZoff (  )

Hz symbol off.

Definition at line 60 of file digitLCD.cpp.

void HZon (  )

Hz symbol on.

Definition at line 55 of file digitLCD.cpp.

void init (  )

Initialise display.

Definition at line 11 of file digitLCD.cpp.

void LCDoff (  )

Powers off LCD bias generators (low power mode)

Definition at line 45 of file digitLCD.cpp.

void LCDon (  )

Powers on LCD bias generators.

Definition at line 50 of file digitLCD.cpp.

Generated on Mon Jul 18 2022 17:33:51 by  doxygen 1.7.2