Kazuki Yamamoto / TriPinLcd

HD44780 compatible 16x2 character LCD driver with HC595 shiftregister

Dependents:   mbed_3pinLCD

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TriPinLcd Class Reference
Public Member Functions

TriPinLcd Class Reference

tripinLcd mbed library for HD44780 compatible charachter LCD with HC595 by bitbanging More...

#include <TriPinLcd.h>

Public Member Functions

 TriPinLcd (PinName data, PinName clock, PinName latch)
 Constructor.
void clear ()
 clears display, set cursor position to zero
void home ()
 set cursor position to zero
void noDisplay ()
 Turn the display off.
void display ()
 Turn the display on.
void noBlink ()
 Turns off the blinking cursor.
void blink ()
 Turns on the blinking cursor.
void noCursor ()
 Turns the underline cursor off.
void cursor ()
 Turns the underline cursor on.
void scrollDisplayLeft ()
 scroll the display to left without changing the RAM
void scrollDisplayRight ()
 scroll the display to right without changing the RAM
void leftToRight ()
 This is for text that flows Left to Right.
void rightToLeft ()
 This is for text that flows Right to Left.
void autoscroll ()
 This will 'right justify' text from the cursor.
void noAutoscroll ()
 This will 'left justify' text from the cursor.
void createChar (uint8_t, uint8_t[])
 Allows us to fill the first 8 CGRAM locations with custom characters.
void setCursor (uint8_t, uint8_t)
 set cursor position to (x=col,y=row); (0,0) is left-top

Detailed Description

tripinLcd mbed library for HD44780 compatible charachter LCD with HC595 by bitbanging

Example: 

#include "mbed.h"
#include "TriPinLcd.h"

Timer t;
TriPinLcd lcd(p5,p7,p6);//clk = p7, data = p5, latch = p6

int main()
{

    lcd.begin(16, 2);
    lcd.noBlink();

    lcd.printf("LCD3WIRE mbed");
    t.start();
    while(1) {
        lcd.setCursor(0, 1);
//        lcd.printf("%.0f", t.read());
        lcd.printf("%d", t.read_us());
    }
}

Definition at line 87 of file TriPinLcd.h.

Constructor & Destructor Documentation

TriPinLcd ( PinName  data,
PinName  clock,
PinName  latch 
)

Constructor.

Parameters:
datadata input
clockclock input
latchlatches HC595 and sends data to LCD

Definition at line 5 of file TriPinLcd.cpp.

Member Function Documentation

void autoscroll ( void   )

This will 'right justify' text from the cursor.

Definition at line 182 of file TriPinLcd.cpp.

void blink (  )

Turns on the blinking cursor.

Definition at line 151 of file TriPinLcd.cpp.

void clear (  )

clears display, set cursor position to zero

Definition at line 99 of file TriPinLcd.cpp.

void createChar ( uint8_t  location,
uint8_t  charmap[] 
)

Allows us to fill the first 8 CGRAM locations with custom characters.

Definition at line 197 of file TriPinLcd.cpp.

void cursor (  )

Turns the underline cursor on.

Definition at line 139 of file TriPinLcd.cpp.

void display (  )

Turn the display on.

Definition at line 127 of file TriPinLcd.cpp.

void home (  )

set cursor position to zero

Definition at line 105 of file TriPinLcd.cpp.

void leftToRight ( void   )

This is for text that flows Left to Right.

Definition at line 168 of file TriPinLcd.cpp.

void noAutoscroll ( void   )

This will 'left justify' text from the cursor.

Definition at line 189 of file TriPinLcd.cpp.

void noBlink (  )

Turns off the blinking cursor.

Definition at line 146 of file TriPinLcd.cpp.

void noCursor (  )

Turns the underline cursor off.

Definition at line 134 of file TriPinLcd.cpp.

void noDisplay (  )

Turn the display off.

Definition at line 122 of file TriPinLcd.cpp.

void rightToLeft ( void   )

This is for text that flows Right to Left.

Definition at line 175 of file TriPinLcd.cpp.

void scrollDisplayLeft ( void   )

scroll the display to left without changing the RAM

Definition at line 158 of file TriPinLcd.cpp.

void scrollDisplayRight ( void   )

scroll the display to right without changing the RAM

Definition at line 162 of file TriPinLcd.cpp.

void setCursor ( uint8_t  col,
uint8_t  row 
)

set cursor position to (x=col,y=row); (0,0) is left-top

Parameters:
colX position
rowY position

Definition at line 111 of file TriPinLcd.cpp.

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