Carlos Silva
Code to run the cheap 2.4" TFT made by mcufriend.com on the STM nucleo. No modifications required, this plugs into the arduino header.
Dependents: ST7735_V2_STM32F407
Fork of
TFTLCD_8bit
by 
Thiha Electronics
Diff: lcd_base.cpp
- Revision:
- 2:81ed304b7e9b
- Parent:
- 1:14bef43daf6f
- Child:
- 3:64a5b67d5b51
--- a/lcd_base.cpp Sat Dec 01 23:49:10 2012 +0000
+++ b/lcd_base.cpp Sun Dec 02 00:12:43 2012 +0000
@@ -68,10 +68,10 @@
{
unsigned short rgb = color == -1 ? _background : color == -2 ? _foreground : ( unsigned short ) color;
_lcd_pin_cs = LOW;
- clearXY();
+ ClearXY();
_lcd_pin_rs = HIGH;
for ( int i = 0; i < ( ( _disp_width ) * ( _disp_height ) ); i++ )
- writeData( rgb );
+ WriteData( rgb );
_lcd_pin_cs = HIGH;
}
@@ -84,11 +84,11 @@
void LCD::DrawPixel( unsigned short x, unsigned short y, int color )
{
_lcd_pin_cs = LOW;
- setXY( x, y, x, y );
- writeData( color == -1 ? _background :
+ SetXY( x, y, x, y );
+ WriteData( color == -1 ? _background :
color == -2 ? _foreground : color );
_lcd_pin_cs = HIGH;
- clearXY();
+ ClearXY();
}
void LCD::DrawLine( unsigned short x1, unsigned short y1, unsigned short x2, unsigned short y2, int color )
@@ -111,13 +111,13 @@
{
if ( x1 > x2 )
swap( ushort, x1, x2 )
- drawHLine( x1, y1, x2 - x1, color );
+ DrawHLine( x1, y1, x2 - x1, color );
}
else if ( x1 == x2 )
{
if ( y1 > y2 )
swap( ushort, y1, y2 )
- drawVLine( x1, y1, y2 - y1, color );
+ DrawVLine( x1, y1, y2 - y1, color );
}
else if ( abs( x2 - x1 ) > abs( y2 - y1 ) )
{
@@ -129,8 +129,8 @@
{
for ( int i = x1; i >= x2; i-- )
{
- setXY( i, int( ty + 0.5 ), i, int( ty + 0.5 ) );
- writeData( usedColor );
+ SetXY( i, int( ty + 0.5 ), i, int( ty + 0.5 ) );
+ WriteData( usedColor );
ty = ty - delta;
}
}
@@ -138,8 +138,8 @@
{
for ( int i = x1; i <= x2; i++ )
{
- setXY( i, int( ty + 0.5 ), i, int( ty + 0.5 ) );
- writeData( usedColor );
+ SetXY( i, int( ty + 0.5 ), i, int( ty + 0.5 ) );
+ WriteData( usedColor );
ty = ty + delta;
}
}
@@ -155,8 +155,8 @@
{
for ( int i = y2 + 1; i > y1; i-- )
{
- setXY( int( tx + 0.5 ), i, int( tx + 0.5 ), i );
- writeData( usedColor );
+ SetXY( int( tx + 0.5 ), i, int( tx + 0.5 ), i );
+ WriteData( usedColor );
tx = tx + delta;
}
}
@@ -164,15 +164,15 @@
{
for ( int i = y1; i < y2 + 1; i++ )
{
- setXY( int( tx + 0.5 ), i, int( tx + 0.5 ), i );
- writeData( usedColor );
+ SetXY( int( tx + 0.5 ), i, int( tx + 0.5 ), i );
+ WriteData( usedColor );
tx = tx + delta;
}
}
_lcd_pin_cs = HIGH;
}
- clearXY();
+ ClearXY();
}
void LCD::DrawRect( unsigned short x1, unsigned short y1, unsigned short x2, unsigned short y2, int color )
@@ -180,10 +180,10 @@
if ( x1 > x2 ) swap( ushort, x1, x2 )
if ( y1 > y2 ) swap( ushort, y1, y2 )
- drawHLine( x1, y1, x2 - x1, color );
- drawHLine( x1, y2, x2 - x1, color );
- drawVLine( x1, y1, y2 - y1, color );
- drawVLine( x2, y1, y2 - y1, color );
+ DrawHLine( x1, y1, x2 - x1, color );
+ DrawHLine( x1, y2, x2 - x1, color );
+ DrawVLine( x1, y1, y2 - y1, color );
+ DrawVLine( x2, y1, y2 - y1, color );
}
void LCD::DrawRoundRect( unsigned short x1, unsigned short y1, unsigned short x2, unsigned short y2, int color )
@@ -197,10 +197,10 @@
DrawPixel( x2 - 1, y1 + 1, color );
DrawPixel( x1 + 1, y2 - 1, color );
DrawPixel( x2 - 1, y2 - 1, color );
- drawHLine( x1 + 2, y1, x2 - x1 - 4, color );
- drawHLine( x1 + 2, y2, x2 - x1 - 4, color );
- drawVLine( x1, y1 + 2, y2 - y1 - 4, color );
- drawVLine( x2, y1 + 2, y2 - y1 - 4, color );
+ DrawHLine( x1 + 2, y1, x2 - x1 - 4, color );
+ DrawHLine( x1 + 2, y2, x2 - x1 - 4, color );
+ DrawVLine( x1, y1 + 2, y2 - y1 - 4, color );
+ DrawVLine( x2, y1 + 2, y2 - y1 - 4, color );
}
}
@@ -213,16 +213,16 @@
{
for ( int i = 0; i < ( ( y2 - y1 ) / 2 ) + 1; i++ )
{
- drawHLine( x1, y1 + i, x2 - x1, color );
- drawHLine( x1, y2 - i, x2 - x1, color );
+ DrawHLine( x1, y1 + i, x2 - x1, color );
+ DrawHLine( x1, y2 - i, x2 - x1, color );
}
}
else
{
for ( int i = 0; i < ( ( x2 - x1 ) / 2 ) + 1; i++ )
{
- drawVLine( x1 + i, y1, y2 - y1, color );
- drawVLine( x2 - i, y1, y2 - y1, color );
+ DrawVLine( x1 + i, y1, y2 - y1, color );
+ DrawVLine( x2 - i, y1, y2 - y1, color );
}
}
}
@@ -239,18 +239,18 @@
switch ( i )
{
case 0:
- drawHLine( x1 + 2, y1 + i, x2 - x1 - 4, color );
- drawHLine( x1 + 2, y2 - i, x2 - x1 - 4, color );
+ DrawHLine( x1 + 2, y1 + i, x2 - x1 - 4, color );
+ DrawHLine( x1 + 2, y2 - i, x2 - x1 - 4, color );
break;
case 1:
- drawHLine( x1 + 1, y1 + i, x2 - x1 - 2, color );
- drawHLine( x1 + 1, y2 - i, x2 - x1 - 2, color );
+ DrawHLine( x1 + 1, y1 + i, x2 - x1 - 2, color );
+ DrawHLine( x1 + 1, y2 - i, x2 - x1 - 2, color );
break;
default:
- drawHLine( x1, y1 + i, x2 - x1, color );
- drawHLine( x1, y2 - i, x2 - x1, color );
+ DrawHLine( x1, y1 + i, x2 - x1, color );
+ DrawHLine( x1, y2 - i, x2 - x1, color );
break;
}
}
@@ -267,14 +267,14 @@
unsigned short usedColor = color == -1 ? _background : color == -2 ? _foreground : ( unsigned short ) color;
_lcd_pin_cs = LOW;
- setXY( x, y + radius, x, y + radius );
- writeData( usedColor );
- setXY( x, y - radius, x, y - radius );
- writeData( usedColor );
- setXY( x + radius, y, x + radius, y );
- writeData( usedColor );
- setXY( x - radius, y, x - radius, y );
- writeData( usedColor );
+ SetXY( x, y + radius, x, y + radius );
+ WriteData( usedColor );
+ SetXY( x, y - radius, x, y - radius );
+ WriteData( usedColor );
+ SetXY( x + radius, y, x + radius, y );
+ WriteData( usedColor );
+ SetXY( x - radius, y, x - radius, y );
+ WriteData( usedColor );
while ( x1 < y1 )
{
@@ -287,25 +287,25 @@
x1++;
ddF_x += 2;
f += ddF_x;
- setXY( x + x1, y + y1, x + x1, y + y1 );
- writeData( usedColor );
- setXY( x - x1, y + y1, x - x1, y + y1 );
- writeData( usedColor );
- setXY( x + x1, y - y1, x + x1, y - y1 );
- writeData( usedColor );
- setXY( x - x1, y - y1, x - x1, y - y1 );
- writeData( usedColor );
- setXY( x + y1, y + x1, x + y1, y + x1 );
- writeData( usedColor );
- setXY( x - y1, y + x1, x - y1, y + x1 );
- writeData( usedColor );
- setXY( x + y1, y - x1, x + y1, y - x1 );
- writeData( usedColor );
- setXY( x - y1, y - x1, x - y1, y - x1 );
- writeData( usedColor );
+ SetXY( x + x1, y + y1, x + x1, y + y1 );
+ WriteData( usedColor );
+ SetXY( x - x1, y + y1, x - x1, y + y1 );
+ WriteData( usedColor );
+ SetXY( x + x1, y - y1, x + x1, y - y1 );
+ WriteData( usedColor );
+ SetXY( x - x1, y - y1, x - x1, y - y1 );
+ WriteData( usedColor );
+ SetXY( x + y1, y + x1, x + y1, y + x1 );
+ WriteData( usedColor );
+ SetXY( x - y1, y + x1, x - y1, y + x1 );
+ WriteData( usedColor );
+ SetXY( x + y1, y - x1, x + y1, y - x1 );
+ WriteData( usedColor );
+ SetXY( x - y1, y - x1, x - y1, y - x1 );
+ WriteData( usedColor );
}
_lcd_pin_cs = HIGH;
- clearXY();
+ ClearXY();
}
void LCD::FillCircle( unsigned short x, unsigned short y, unsigned short radius, int color )
@@ -316,11 +316,11 @@
for ( int x1 = -radius; x1 <= radius; x1++ )
if ( x1 * x1 + y1 * y1 <= radius * radius )
{
- setXY( x + x1, y + y1, x + x1, y + y1 );
- writeData( usedColor );
+ SetXY( x + x1, y + y1, x + x1, y + y1 );
+ WriteData( usedColor );
}
_lcd_pin_cs = HIGH;
- clearXY();
+ ClearXY();
}
void LCD::Print( const char *str, unsigned short x, unsigned short y, int fgColor, int bgColor, unsigned short deg )
@@ -346,9 +346,9 @@
for ( i = 0; i < stl; i++ )
if ( deg == 0 )
- printChar( *str++, x + ( i * ( _font.width ) ), y, fgColor, bgColor );
+ PrintChar( *str++, x + ( i * ( _font.width ) ), y, fgColor, bgColor );
else
- rotateChar( *str++, x, y, i, fgColor, bgColor, deg );
+ RotateChar( *str++, x, y, i, fgColor, bgColor, deg );
}
void LCD::DrawBitmap( unsigned short x, unsigned short y, unsigned short sx, unsigned short sy, bitmap_t data, unsigned char scale )
@@ -360,9 +360,9 @@
if ( _orientation == PORTRAIT )
{
_lcd_pin_cs = LOW;
- setXY( x, y, x + sx - 1, y + sy - 1 );
+ SetXY( x, y, x + sx - 1, y + sy - 1 );
for ( tc = 0; tc < ( sx * sy ); tc++ )
- writeData( data[ tc ] );
+ WriteData( data[ tc ] );
_lcd_pin_cs = HIGH;
}
else
@@ -370,9 +370,9 @@
_lcd_pin_cs = LOW;
for ( ty = 0; ty < sy; ty++ )
{
- setXY( x, y + ty, x + sx - 1, y + ty );
+ SetXY( x, y + ty, x + sx - 1, y + ty );
for ( tx = sx; tx >= 0; tx-- )
- writeData( data[ ( ty * sx ) + tx ] );
+ WriteData( data[ ( ty * sx ) + tx ] );
}
_lcd_pin_cs = HIGH;
}
@@ -384,11 +384,11 @@
_lcd_pin_cs = LOW;
for ( ty = 0; ty < sy; ty++ )
{
- setXY( x, y + ( ty * scale ), x + ( ( sx * scale ) - 1 ), y + ( ty * scale ) + scale );
+ SetXY( x, y + ( ty * scale ), x + ( ( sx * scale ) - 1 ), y + ( ty * scale ) + scale );
for ( tsy = 0; tsy < scale; tsy++ )
for ( tx = 0; tx < sx; tx++ )
for ( tsx = 0; tsx < scale; tsx++ )
- writeData( data[ ( ty * sx ) + tx ] );
+ WriteData( data[ ( ty * sx ) + tx ] );
}
_lcd_pin_cs = HIGH;
}
@@ -399,16 +399,16 @@
{
for ( tsy = 0; tsy < scale; tsy++ )
{
- setXY( x, y + ( ty * scale ) + tsy, x + ( ( sx * scale ) - 1 ), y + ( ty * scale ) + tsy );
+ SetXY( x, y + ( ty * scale ) + tsy, x + ( ( sx * scale ) - 1 ), y + ( ty * scale ) + tsy );
for ( tx = sx; tx >= 0; tx-- )
for ( tsx = 0; tsx < scale; tsx++ )
- writeData( data[ ( ty * sx ) + tx ] );
+ WriteData( data[ ( ty * sx ) + tx ] );
}
}
_lcd_pin_cs = HIGH;
}
}
- clearXY();
+ ClearXY();
}
void LCD::DrawBitmap( unsigned short x, unsigned short y, unsigned short sx, unsigned short sy, bitmap_t data, unsigned short deg, unsigned short rox, unsigned short roy )
@@ -428,12 +428,12 @@
newx = x + rox + ( ( ( tx - rox ) * cos( radian ) ) - ( ( ty - roy ) * sin( radian ) ) );
newy = y + roy + ( ( ( ty - roy ) * cos( radian ) ) + ( ( tx - rox ) * sin( radian ) ) );
- setXY( newx, newy, newx, newy );
- writeData( data[ ( ty * sx ) + tx ] );
+ SetXY( newx, newy, newx, newy );
+ WriteData( data[ ( ty * sx ) + tx ] );
}
_lcd_pin_cs = HIGH;
}
- clearXY();
+ ClearXY();
}
/*
@@ -459,10 +459,10 @@
*/
inline
-void LCD::writeCmdData( unsigned short cmd, unsigned short data )
+void LCD::WriteCmdData( unsigned short cmd, unsigned short data )
{
- writeCmd( cmd );
- writeData( data );
+ WriteCmd( cmd );
+ WriteData( data );
}
/*
@@ -486,39 +486,39 @@
}
*/
-void LCD::clearXY()
+void LCD::ClearXY()
{
if ( _orientation == PORTRAIT )
- setXY( 0, 0, _disp_width - 1, _disp_height - 1 );
+ SetXY( 0, 0, _disp_width - 1, _disp_height - 1 );
else
- setXY( 0, 0, _disp_height - 1, _disp_width - 1 );
+ SetXY( 0, 0, _disp_height - 1, _disp_width - 1 );
}
-void LCD::drawHLine( unsigned short x, unsigned short y, unsigned short len, int color )
+void LCD::DrawHLine( unsigned short x, unsigned short y, unsigned short len, int color )
{
unsigned short usedColor = color == -1 ? _background : color == -2 ? _foreground : ( unsigned short ) color;
_lcd_pin_cs = LOW;
- setXY( x, y, x + len, y );
+ SetXY( x, y, x + len, y );
for ( int i = 0; i < len + 1; i++ )
- writeData( usedColor );
+ WriteData( usedColor );
_lcd_pin_cs = HIGH;
- clearXY();
+ ClearXY();
}
-void LCD::drawVLine( unsigned short x, unsigned short y, unsigned short len, int color )
+void LCD::DrawVLine( unsigned short x, unsigned short y, unsigned short len, int color )
{
unsigned short usedColor = color == -1 ? _background : color == -2 ? _foreground : ( unsigned short ) color;
_lcd_pin_cs = LOW;
- setXY( x, y, x, y + len );
+ SetXY( x, y, x, y + len );
for ( int i = 0; i < len; i++ )
- writeData( usedColor );
+ WriteData( usedColor );
_lcd_pin_cs = HIGH;
- clearXY();
+ ClearXY();
}
-void LCD::printChar( char c, unsigned short x, unsigned short y, int fgColor, int bgColor )
+void LCD::PrintChar( char c, unsigned short x, unsigned short y, int fgColor, int bgColor )
{
uint8_t i, ch;
uint16_t j;
@@ -530,7 +530,7 @@
if ( _orientation == PORTRAIT )
{
- setXY( x, y, x + _font.width - 1, y + _font.height - 1 );
+ SetXY( x, y, x + _font.width - 1, y + _font.height - 1 );
temp = ( ( c - _font.offset ) * ( ( _font.width / 8 ) * _font.height ) ) + 4;
for ( j = 0; j < ( ( _font.width / 8 ) * _font.height ); j++ )
@@ -539,9 +539,9 @@
for ( i = 0; i < 8; i++ )
{
if ( ( ch & ( 1 << ( 7 - i ) ) ) != 0 )
- writeData( usedColorFG );
+ WriteData( usedColorFG );
else
- writeData( usedColorBG );
+ WriteData( usedColorBG );
}
temp++;
}
@@ -552,26 +552,26 @@
for ( j = 0; j < ( ( _font.width / 8 ) * _font.height ); j += ( _font.width / 8 ) )
{
- setXY( x, y + ( j / ( _font.width / 8 ) ), x + _font.width - 1, y + ( j / ( _font.width / 8 ) ) );
+ SetXY( x, y + ( j / ( _font.width / 8 ) ), x + _font.width - 1, y + ( j / ( _font.width / 8 ) ) );
for ( int zz = ( _font.width / 8 ) - 1; zz >= 0; zz-- )
{
ch = _font.font[ temp + zz ];
for ( i = 0; i < 8; i++ )
{
if ( ( ch & ( 1 << i ) ) != 0 )
- writeData( usedColorFG );
+ WriteData( usedColorFG );
else
- writeData( usedColorBG );
+ WriteData( usedColorBG );
}
}
temp += ( _font.width / 8 );
}
}
_lcd_pin_cs = HIGH;
- clearXY();
+ ClearXY();
}
-void LCD::rotateChar( char c, unsigned short x, unsigned short y, int pos, int fgColor, int bgColor, unsigned short deg )
+void LCD::RotateChar( char c, unsigned short x, unsigned short y, int pos, int fgColor, int bgColor, unsigned short deg )
{
uint8_t i, j, ch;
uint16_t temp;
@@ -595,16 +595,16 @@
newx = x + ( ( ( i + ( zz * 8 ) + ( pos * _font.width ) ) * cos( radian ) ) - ( ( j ) * sin( radian ) ) );
newy = y + ( ( ( j ) * cos( radian ) ) + ( ( i + ( zz * 8 ) + ( pos * _font.width ) ) * sin( radian ) ) );
- setXY( newx, newy, newx + 1, newy + 1 );
+ SetXY( newx, newy, newx + 1, newy + 1 );
if ( ( ch & ( 1 << ( 7 - i ) ) ) != 0 )
- writeData( usedColorFG );
+ WriteData( usedColorFG );
else
- writeData( usedColorBG );
+ WriteData( usedColorBG );
}
}
temp += ( _font.width / 8 );
}
_lcd_pin_cs = HIGH;
- clearXY();
+ ClearXY();
}