Revision 14:8efbe7361dae, committed 2012-12-11

Comitter:

ttodorov

Date:

Tue Dec 11 20:52:22 2012 +0000

Parent:

13:5ceeba86bbe4

Child:

15:af3cd35886fb

Commit message:

- fixed and tested out the ST7735 driver for HW rotation, RGB colorspace and bitmap drawing

Changed in this revision

--- a/st7735.cpp	Tue Dec 11 20:02:48 2012 +0000
+++ b/st7735.cpp	Tue Dec 11 20:52:22 2012 +0000
@@ -59,10 +59,12 @@
     WriteByteData( 0x01 );
     WriteByteData( 0x2C );
     WriteByteData( 0x2D );
+    
     WriteCmd( 0xB2 ); // frame control 2
     WriteByteData( 0x01 );
     WriteByteData( 0x2C );
     WriteByteData( 0x2D );
+    
     WriteCmd( 0xB3 ); // frame control 3
     WriteByteData( 0x01 );
     WriteByteData( 0x2C );
@@ -72,21 +74,26 @@
     WriteByteData( 0x2D );
     
     WriteCmd( 0xB4 ); // column inversion
-    WriteByteData( 0x07 );
+    //WriteByteData( 0x07 );
+    WriteByteData( 0x00 );
 
     // ST7735R Power Sequence
     WriteCmd( 0xC0 ); // power control 1
     WriteByteData( 0xA2 );
     WriteByteData( 0x02 );
     WriteByteData( 0x84 );
+    
     WriteCmd( 0xC1 ); // power control 2
     WriteByteData( 0xC5 );
+    
     WriteCmd( 0xC2 ); // power control 3
     WriteByteData( 0x0A );
     WriteByteData( 0x00 );
+    
     WriteCmd( 0xC3 ); // power control 4
     WriteByteData( 0x8A );
     WriteByteData( 0x2A );
+    
     WriteCmd( 0xC4 ); // power control 5
     WriteByteData( 0x8A );
     WriteByteData( 0xEE );
@@ -94,9 +101,6 @@
     WriteCmd( 0xC5 ); // voltage control 1
     WriteByteData( 0x0E );
 
-    WriteCmd( 0x36 ); //MX, MY, RGB mode
-    WriteByteData( 0xC8 );
-
     // ST7735R Gamma Sequence
     WriteCmd( 0xE0 ); // gamma positive
     WriteByteData( 0x0F );
@@ -115,6 +119,7 @@
     WriteByteData( 0x07 );
     WriteByteData( 0x02 );
     WriteByteData( 0x10 );
+    
     WriteCmd( 0xE1 ); // gamma negative
     WriteByteData( 0x0F );
     WriteByteData( 0x1B );
@@ -138,6 +143,7 @@
     WriteByteData( 0x00 );
     WriteByteData( 0x00 );
     WriteByteData( 0x7F );
+    
     WriteCmd( 0x2B ); // set row address
     WriteByteData( 0x00 );
     WriteByteData( 0x00 );
@@ -146,11 +152,23 @@
 
     WriteCmd( 0xF0 ); // enable extensions command
     WriteByteData( 0x01 );
+    
     WriteCmd( 0xF6 ); // disable ram power save mode
     WriteByteData( 0x00 );
 
     WriteCmd( 0x3A ); // interface pixel format (color mode): 0x05 => RGB16, 0x06 => RGB18
     WriteByteData( _colorDepth == RGB16 ? 0x05 : 0x06 );
+
+    WriteCmd( 0x36 ); //MX, MY, RGB mode
+    switch ( _orientation )
+    {
+        case LANDSCAPE: WriteByteData( 0xB8 ); break;
+        case PORTRAIT_REV: WriteByteData( 0xDC ); break;
+        case LANDSCAPE_REV: WriteByteData( 0x6C ); break;
+        case PORTRAIT:
+        default: WriteByteData( 0x08 ); break;
+    }
+    
     WriteCmd( 0x29 ); // display on
 
     Deactivate();
@@ -201,15 +219,6 @@
 
 void ST7735_LCD::SetXY( uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2 )
 {
-    if ( _orientation == LANDSCAPE )
-    {
-        swap( uint16_t, x1, y1 )
-        swap( uint16_t, x2, y2 )
-        y1 = _disp_height - y1;
-        y2 = _disp_height - y2;
-        swap( uint16_t, y1, y2 )
-    }
-
     WriteCmdData( 0x2a, x1 );
     WriteData( x2 );
     WriteCmdData( 0x2b, y1 );