Diff: RA8875.cpp

Revision:

24:8ca861acf12d

Parent:

23:a50ded45dbaf

Child:

25:9556a3a9b7cc

--- a/RA8875.cpp	Wed Jan 15 12:24:54 2014 +0000
+++ b/RA8875.cpp	Fri Jan 17 02:10:18 2014 +0000
@@ -192,20 +192,39 @@
     return noerror;
 }
 
-RetCode_t RA8875::SetTextCursorControl(bool visible, bool blink)
+RetCode_t RA8875::SetTextCursorControl(cursor_t cursor, bool blink)
 {
     unsigned char mwcr0 = ReadCommand(0x40) & 0x0F; // retain direction, auto-increase
+    unsigned char horz = 0;
+    unsigned char vert = 0;
     
-    mwcr0 |= 0x80;      // text mode
-    if (visible)
-        mwcr0 |= 0x40;
+    mwcr0 |= 0x80;                  // text mode
+    if (cursor != NOCURSOR)
+        mwcr0 |= 0x40;              // visible
     if (blink)
-        mwcr0 |= 0x20;
+        mwcr0 |= 0x20;              // blink
     WriteCommand(0x40, mwcr0);      // configure the cursor
     WriteCommand(0x41, 0x00);       // close the graphics cursor
-    WriteCommand(0x44,0x1f);        //The cursor flashing cycle
-    WriteCommand(0x4e,0x1f);        //The cursor size
-    WriteCommand(0x4f,0x1f);        //The cursor size
+    WriteCommand(0x44, 0x1f);       // The cursor flashing cycle
+    switch (cursor) {
+        case IBEAM:
+            horz = 0x01;
+            vert = 0x1F;
+            break;
+        case UNDER:
+            horz = 0x07;
+            vert = 0x01;
+            break;
+        case BLOCK:
+            horz = 0x07;
+            vert = 0x1F;
+            break;
+        case NOCURSOR:
+        default:
+            break;
+    }
+    WriteCommand(0x4e, horz);       // The cursor size horz
+    WriteCommand(0x4f, vert);       // The cursor size vert
     return noerror;
 }
 
@@ -277,7 +296,10 @@
             WriteCommand(0x2D, y >> 8);
         } else {
             if (font == NULL) {
-                WriteCommand(0x40,0x80);
+                unsigned char mwcr0 = ReadCommand(0x40);
+                
+                if (mwcr0 & 0x80 == 0x00)
+                    WriteCommand(0x40,0x80);
                 WriteCommand(0x02);
                 select(true);
                 WriteData(c);
@@ -861,6 +883,7 @@
 
     // Clear ram image
     SetWindow(0,0, width(), height());          // Initialize to full screen
+    SetTextCursorControl();
     foreground(Black);
     background(Black);
     cls();
@@ -918,7 +941,10 @@
 
 void TextCursorTest(RA8875 & display, Serial & pc)
 {
-    const char * visCursor = "The cursor should be visible for this text.";
+    const char * iCursor = "The I-Beam cursor should be visible for this text, but it should not be blinking while writing this text.\r\n";
+    const char * uCursor = "The Underscore cursor should be visible for this text, but it should not be blinking while writing this text.\r\n";
+    const char * bCursor = "The Block cursor should be visible for this text, but it should not be blinking while writing this text.\r\n";
+    const char * bbCursor = "The Blinking Block cursor should be visible for this text, and it should be blinking while writing this text.\r\n";
     const char * p;
     
     pc.printf("Text Cursor Test\r\n");
@@ -929,13 +955,36 @@
     display.puts(0,0, "Text Cursor Test.");
     
     // visible, non-blinking
-    display.SetTextCursorControl(true, false);
-    display.SetTextCursor(0,40);
-    p = visCursor;
+    display.SetTextCursor(0,20);
+    display.SetTextCursorControl(IBEAM, false);
+    p = iCursor;
     while (*p) {
-        display.putc(*p++);
+        display._putc(*p++);
+        wait_ms(100);
+    }
+
+    display.SetTextCursorControl(UNDER, false);
+    p = uCursor;
+    while (*p) {
+        display._putc(*p++);
         wait_ms(100);
     }
+    
+    display.SetTextCursorControl(BLOCK, false);
+    p = bCursor;
+    while (*p) {
+        display._putc(*p++);
+        wait_ms(100);
+    }
+
+    display.SetTextCursorControl(BLOCK, true);
+    p = bbCursor;
+    while (*p) {
+        display._putc(*p++);
+        wait_ms(100);
+    }
+    wait_ms(2000);
+    display.SetTextCursorControl(NOCURSOR, false);
 }
 
 void BacklightTest(RA8875 & display, Serial & pc, float ramptime)