Michael Shimniok / SerialGraphicLCD

An interface to the Sparkfun Serial Graphic LCD, LCD-09351; and Graphic LCD Serial Backpack, LCD-09352. Derived class from Serial so that you can conveniently send text to the display with printf(), putc(), etc.

Dependents:   DataBus2018

SerialGraphicLCD.cpp

Committer:
shimniok
Date:
2012-04-11
Revision:
3:dff460658aed
Parent:
2:84b78506add6

File content as of revision 3:dff460658aed:

#include "SerialGraphicLCD.h"

#define XSIZE 6
#define YSIZE 9

SerialGraphicLCD::SerialGraphicLCD(PinName tx, PinName rx): 
    Serial(tx, rx), _firmware(SFE_FW)
{
    baud(115200);               // default baud rate
    resolution(LCD_128x64);     // default resolution
}

SerialGraphicLCD::SerialGraphicLCD(PinName tx, PinName rx, int firmware):
    Serial(tx, rx), _firmware(firmware)
{
    baud(115200);               // default baud rate
    resolution(LCD_128x64);     // default resolution
}

void SerialGraphicLCD::clear() {
    putc(0x7c);
    putc(0x00);
}

void SerialGraphicLCD::pos(int col, int row) {
    if (_firmware == SD_FW)
        posXY(XSIZE*col, (YSIZE*row));
    else if (_firmware == SFE_FW)
        posXY(XSIZE*col, _yMax-(YSIZE*row)-1);
}

void SerialGraphicLCD::posXY(int x, int y) {
    putc(0x7c);
    putc(0x18);
    putc(x);
    putc(0x7c);
    putc(0x19);
    putc(y);
}

void SerialGraphicLCD::pixel(int x, int y, bool set) {
    putc(0x7c);
    putc(0x10);
    putc(x);
    putc(y);
    putc((set) ? 0x01 : 0x00);
}

void SerialGraphicLCD::line(int x1, int y1, int x2, int y2, bool set) {
    putc(0x7c);
    putc(0x0c);
    putc(x1);
    putc(y1);
    putc(x2);
    putc(y2);
    putc((set) ? 0x01 : 0x00);
}

void SerialGraphicLCD::circle(int x, int y, int r, bool set) {
    putc(0x7c);
    putc(0x03);
    putc(x);
    putc(y);
    putc(r);
    putc((set) ? 0x01 : 0x00);
}

// Unfortunately, the datasheet is incorrect; the box command
// does not take a 5th parameter for draw/erase like the others
void SerialGraphicLCD::rect(int x1, int y1, int x2, int y2) {
    putc(0x7c);
    putc(0x0f);
    putc(x1);
    putc(y1);
    putc(x2);
    putc(y2);
}

void SerialGraphicLCD::erase(int x1, int y1, int x2, int y2) {
    putc(0x7c);
    putc(0x05);
    putc(x1);
    putc(y1);
    putc(x2);
    putc(y2);
}

void SerialGraphicLCD::backlight(int i) {
    if (i >= 0 && i <= 100) {
        putc(0x7c);
        putc(0x02);
        putc(i);
    }
}

void SerialGraphicLCD::reverseMode() {
    putc(0x7c);
    putc(0x12);
}

void SerialGraphicLCD::resolution(int type) {
    switch (type) {
    case LCD_128x64 :
        resolution(128, 64);
        break;
    case LCD_160x128 :
        resolution(160, 128);
        break;
    }
}

void SerialGraphicLCD::resolution(int x, int y) {
    _xMax = x;
    _yMax = y;
}


void SerialGraphicLCD::lcdbaud(int b) {
    if (b > 0 && b < 7) {
        putc(0x7c);
        putc(0x07);
        putc(b+'0');
    }
}