/* Function : charDraw(char row, char column, int data)
* Description : write char to address
* Input : (row, column), data
* Output : char at address
*/
void charDraw(char row, char column, int data)
{
int h;
if (row > SSD1306_MAXROWS)
{
row = SSD1306_MAXROWS;
}
if (column > SSD1306_LCDWIDTH)
{
column = SSD1306_LCDWIDTH;
}
if ( data < 32 || data > 129 )
{
data = '.';
}
h = (data - 32) * 6;
setAddress(row, column);
SSD1306SendData( (char *)FONT6x8 + h, 6 );
}
/* Function : Fill_RAM_FONT
* Description : Writes a charcter on the OLED display at a column, row.
* with a large font.
* Input : character, column, row, span and width
* Output : None
*/
void Fill_RAM_FONT( unsigned char number,
unsigned char column,
unsigned char row,
unsigned char span,
unsigned char width )
{
int i,j,test;
int adder=0;
int jump = 0;
jump = (number - 32);
for(i=row;i>=row-span+1;i--)
{
Set_Start_Page(i);
Set_Start_Column(column);
for(j=0;j<width;j++)
{
test = j+(adder*width)+(jump*28);
SSD1306SendData(data_table_LARGE[test]);
}
adder++;
}
}
/* Function : Fill_RAM_PAGE
* Description : Fills an OLED page with a particular data
* Input : page no.[0-7], Data
* Output : None
*/
void Fill_RAM_PAGE(unsigned char page, unsigned char Data)
{
unsigned char j;
Set_Start_Page(page);
Set_Start_Column(0x00);
for(j=0;j<128;j++)
{
SSD1306SendData(Data);
}
}
/* Function : Fill_RAM_FONT_SMALL
* Description : Writes a charcter on the OLED display at a column, row.
* with a small font.
* Input : character, column, row
* Output : None
*/
void Fill_RAM_FONT_SMALL( unsigned char number,
unsigned char column,
unsigned char row )
{
int j=0;
Set_Start_Page(row);
Set_Start_Column(column);
for(j=0;j<SMALL_FONT_WIDTH;j++)
{
SSD1306SendData(data_table_SMALL[j+(number*SMALL_FONT_WIDTH)]);
}
}
/* Function : Fill_RAM( unsigned char c )
* Description : Fills the OLED with one particular data
* Input : Data
* Output : None
*/
void Fill_RAM(unsigned char Data)
{
unsigned char i,j;
for(i=0;i<8;i++)
{
Set_Start_Page(i);
Set_Start_Column(0x00);
for(j=0;j<128;j++)
{
SSD1306SendData(Data);
}
}
}
/* Function : clearScreen(void)
* Description : wipes data in memory to 0x00
* Input : none
* Output : blank screen (0x00)
*/
void clearScreen(void)
{
char ramData[] = {0x00};
char i,j;
for(i=0; i < 8 ;i++)
{
setAddress(i,0);
for(j=0; j < SSD1306_LCDWIDTH; j++)
{
SSD1306SendData(ramData, 1);
}
}
}
/* Function : horizontalLine(char xStart, char xStop, char y)
* Description : draw horizontal line from xStart to xStop
* Input : X Start & Stop coordinate, Y
* Output : display horizontal line
*/
void horizontalLine(char xStart, char xStop, char y)
{
char temp = 0;
char page, a;
char ramData[] = { 0x00 };
if (xStart > SSD1306_LCDWIDTH - 1)
{
xStart = SSD1306_LCDWIDTH - 1;
}
if (xStop > SSD1306_LCDWIDTH - 1)
{
xStop = SSD1306_LCDWIDTH - 1;
}
if (y > SSD1306_LCDHEIGHT - 1)
{
y = SSD1306_LCDHEIGHT - 1;
}
if (xStart > xStop)
{
temp = xStart;
xStart = xStop;
xStop = temp;
}
page = y / 8;
temp = 0x80 >> (y %8);
a = xStart;
ramData[0] = temp;
setAddress(page, xStart);
while (a <= xStop)
{
SSD1306SendData(ramData, 1);
a++;
}
}
/* Function : pixelDraw(char x, char y)
* Description : draw individual pixel at coordinate
* Input : X,Y coordinates
* Output : single pixel
*/
void pixelDraw(char x, char y)
{
char page, temp;
char coordinate[] = {0x00};
if (x > SSD1306_LCDWIDTH - 1)
{
x = SSD1306_LCDWIDTH - 1;
}
if (y > SSD1306_LCDHEIGHT - 1)
{
y = SSD1306_LCDHEIGHT - 1;
}
page = y / 8;
temp = 0x80 >> (y % 8);
coordinate[0] = temp;
setAddress(page,x);
SSD1306SendData(coordinate, 1);
}
