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: TextDisplay.cpp

Revision:
19:3f82c1161fd2
Parent:
0:de9d1462a835
Child:
29:422616aa04bd
--- a/TextDisplay.cpp	Tue Oct 22 20:17:29 2013 +0000
+++ b/TextDisplay.cpp	Sun Jan 12 17:40:32 2014 +0000
@@ -2,10 +2,11 @@
  * Copyright (c) 2007-2009 sford
  * Released under the MIT License: http://mbed.org/license/mit
  */
- 
+
 #include "TextDisplay.h"
 
-TextDisplay::TextDisplay(const char *name) : Stream(name){
+TextDisplay::TextDisplay(const char *name) : Stream(name)
+{
     _row = 0;
     _column = 0;
     if (name == NULL) {
@@ -15,8 +16,9 @@
         sprintf(_path, "/%s", name);
     }
 }
-    
-int TextDisplay::_putc(int value) {
+
+int TextDisplay::_putc(int value)
+{
     if(value == '\n') {
         _column = 0;
         _row++;
@@ -38,33 +40,43 @@
 }
 
 // crude cls implementation, should generally be overwritten in derived class
-void TextDisplay::cls() {
+RetCode_t TextDisplay::cls()
+{
     locate(0, 0);
     for(int i=0; i<columns()*rows(); i++) {
         putc(' ');
     }
+    return noerror;
 }
 
-void TextDisplay::locate(int column, int row) {
+RetCode_t TextDisplay::locate(unsigned int column, unsigned int row)
+{
     _column = column;
     _row = row;
+    return noerror;
 }
 
-int TextDisplay::_getc() {
+int TextDisplay::_getc()
+{
     return -1;
 }
-        
-void TextDisplay::foreground(uint16_t colour) {
+
+RetCode_t TextDisplay::foreground(uint16_t colour)
+{
     _foreground = colour;
+    return noerror;
 }
 
-void TextDisplay::background(uint16_t colour) {
+RetCode_t TextDisplay::background(uint16_t colour)
+{
     _background = colour;
+    return noerror;
 }
 
-bool TextDisplay::claim (FILE *stream) {
+bool TextDisplay::claim (FILE *stream)
+{
     if ( _path == NULL) {
-        fprintf(stderr, "claim requires a name to be given in the instantioator of the TextDisplay instance!\r\n");
+        fprintf(stderr, "claim requires a name to be given in the instantiator of the TextDisplay instance!\r\n");
         return false;
     }
     if (freopen(_path, "w", stream) == NULL) {
@@ -74,4 +86,4 @@
     // make sure we use line buffering
     setvbuf(stdout, NULL, _IOLBF, columns());
     return true;
-} 
+}