David Smart / RA8875 Featured

Library to control a Graphics TFT connected to 4-wire SPI - revised for the Raio RA8875 Display Controller.

Dependents:   FRDM_RA8875_mPaint RA8875_Demo RA8875_KeyPadDemo SignalGenerator ... more

Fork of SPI_TFT by Peter Drescher

See Components - RA8875 Based Display

Enhanced touch-screen support - where it previous supported both the Resistive Touch and Capacitive Touch based on the FT5206 Touch Controller, now it also has support for the GSL1680 Touch Controller.

Offline Help Manual (Windows chm)

/media/uploads/WiredHome/ra8875.zip.bin (download, rename to .zip and unzip)

Diff: RA8875.cpp

Revision:
50:2c4f474a2453
Parent:
44:207594dece70
Child:
51:aa1f57b81da1
--- a/RA8875.cpp	Mon Mar 10 23:53:40 2014 +0000
+++ b/RA8875.cpp	Sat Mar 15 17:35:51 2014 +0000
@@ -72,7 +72,7 @@
 //}
 
 
-RetCode_t RA8875::SelectLayer(uint16_t layer)
+RetCode_t RA8875::SelectDrawingLayer(uint16_t layer)
 {
     unsigned char mwcr1 = ReadCommand(0x41) & ~0x01; // retain all but the currently selected layer
 
@@ -1156,11 +1156,14 @@
         WriteCommand(0x20, 0x80);               // DPCR - 2-layer mode
     }
     
-    // Clear ram image
+    // Set display image to Blue on Black as default
     window(0,0, width, height);             // Initialize to full screen
     SetTextCursorControl();
     foreground(Blue);
     background(Black);
+    SelectDrawingLayer(1);
+    cls();
+    SelectDrawingLayer(0);
     cls();
     return noerror;
 }
@@ -1424,7 +1427,7 @@
     if (!SuppressSlowStuff)
         pc.printf("Layer Test\r\n");
 
-    display.SelectLayer(0);
+    display.SelectDrawingLayer(0);
     display.background(Black);
     display.foreground(Blue);
     display.cls();
@@ -1443,7 +1446,7 @@
     if (!SuppressSlowStuff)
         wait_ms(1000);
 
-    display.SelectLayer(1);
+    display.SelectDrawingLayer(1);
     display.background(Black);
     display.foreground(Yellow);
     display.cls();
@@ -1460,7 +1463,7 @@
     if (!SuppressSlowStuff)
         wait_ms(2000);
 
-    display.SelectLayer(0);
+    display.SelectDrawingLayer(0);
     display.SetLayerMode(0);        // Show Layer 0 again
     if (!SuppressSlowStuff)
         wait_ms(1000);