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:
29:422616aa04bd
Parent:
19:3f82c1161fd2
Child:
33:b6b710758ab3
--- a/TextDisplay.cpp	Fri Jan 17 17:24:05 2014 +0000
+++ b/TextDisplay.cpp	Sun Jan 19 04:24:16 2014 +0000
@@ -5,6 +5,20 @@
 
 #include "TextDisplay.h"
 
+#define DEBUG "Text"
+// ...
+// INFO("Stuff to show %d", var); // new-line is automatically appended
+//
+#if (defined(DEBUG) && !defined(TARGET_LPC11U24))
+#define INFO(x, ...) std::printf("[INF %s %3d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
+#define WARN(x, ...) std::printf("[WRN %s %3d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
+#define ERR(x, ...)  std::printf("[ERR %s %3d] "x"\r\n", DEBUG, __LINE__, ##__VA_ARGS__);
+#else
+#define INFO(x, ...)
+#define WARN(x, ...)
+#define ERR(x, ...)
+#endif
+
 TextDisplay::TextDisplay(const char *name) : Stream(name)
 {
     _row = 0;
@@ -19,6 +33,7 @@
 
 int TextDisplay::_putc(int value)
 {
+    INFO("_putc(%d)", value);
     if(value == '\n') {
         _column = 0;
         _row++;
@@ -42,6 +57,7 @@
 // crude cls implementation, should generally be overwritten in derived class
 RetCode_t TextDisplay::cls()
 {
+    INFO("cls()");
     locate(0, 0);
     for(int i=0; i<columns()*rows(); i++) {
         putc(' ');
@@ -51,6 +67,7 @@
 
 RetCode_t TextDisplay::locate(unsigned int column, unsigned int row)
 {
+    INFO("locate(%d,%d)", column, row);
     _column = column;
     _row = row;
     return noerror;
@@ -63,25 +80,26 @@
 
 RetCode_t TextDisplay::foreground(uint16_t colour)
 {
+    INFO("foreground(%4X)", colour);
     _foreground = colour;
     return noerror;
 }
 
 RetCode_t TextDisplay::background(uint16_t colour)
 {
+    INFO("background(%4X)", 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 instantiator of the TextDisplay instance!\r\n");
         return false;
     }
     if (freopen(_path, "w", stream) == NULL) {
-        // Failed, should not happen
-        return false;
+        return false;       // Failed, should not happen
     }
     // make sure we use line buffering
     setvbuf(stdout, NULL, _IOLBF, columns());