Added a routine to track init errors

TFT_ILI9163C.cpp

@@ -274,7 +274,7 @@
 void TFT_ILI9163C::begin(void) 
 {
 	sleep = 0;
-
+	_initError = 0b00000000;
 #if defined(__AVR__)
 	pinMode(_rs, OUTPUT);
 	pinMode(_cs, OUTPUT);
@@ -325,6 +325,7 @@ void TFT_ILI9163C::begin(void)
         SPI.setMOSI(_mosi);
         SPI.setSCK(_sclk);
 	} else {
+		bitSet(_initError,1);
 		return;
 	}
 	SPI.begin();
@@ -334,6 +335,7 @@ void TFT_ILI9163C::begin(void)
 	} else {
 		pcs_data = 0;
 		pcs_command = 0;
+		bitSet(_initError,0);
 		return;
 	}
 #else//all the rest of possible boards
@@ -384,7 +386,10 @@ void TFT_ILI9163C::begin(void)
 	chipInit();
 }
 
-
+uint8_t TFT_ILI9163C::errorCode(void) 
+{
+	return _initError;
+}
 
 void TFT_ILI9163C::chipInit() {
 	uint8_t i;

TFT_ILI9163C.h

@@ -165,6 +165,7 @@ class TFT_ILI9163C : public Adafruit_GFX {
 				fillRect(int16_t x, int16_t y, int16_t w, int16_t h,uint16_t color),
 				setRotation(uint8_t r),
 				invertDisplay(boolean i);
+	uint8_t 	errorCode(void);			
 	void		idleMode(boolean onOff);
 	void		display(boolean onOff);	
 	void		sleepMode(boolean mode);
@@ -447,5 +448,6 @@ class TFT_ILI9163C : public Adafruit_GFX {
 	void 		chipInit();
 	bool 		boundaryCheck(int16_t x,int16_t y);
 	void 		homeAddress();
+	uint8_t		_initError;
 };
 #endif

_settings/TFT_ILI9163C_settings.h

@@ -87,73 +87,21 @@ Not tested!
 #endif
 
 /*
+
 Benchmark                Time (microseconds)
-Screen fill              74697
+Screen fill              74698
-Text                     4841
+Text                     4253
-Lines                    16025
+Text2                    15366
+Lines                    16034
 Horiz/Vert Lines         5028
-Rectangles (outline)     4181
+Rectangles (outline)     4183
-Rectangles (filled)      91225
+Rectangles (filled)      91226
-Circles (filled)         14452
+Circles (filled)         14436
-Circles (outline)        16397
+Circles (outline)        14910
 Triangles (outline)      5069
-Triangles (filled)       30715
+Triangles (filled)       30717
-Rounded rects (outline)  10382
+Rounded rects (outline)  9910
-Rounded rects (filled)   99552
+Rounded rects (filled)   99550
 Done!
 
-Benchmark                Time (microseconds)
-Screen fill              74697
-Text                     4453
-Text2                    16541
-Lines                    16027
-Horiz/Vert Lines         5029
-Rectangles (outline)     4185
-Rectangles (filled)      91223
-Circles (filled)         14408
-Circles (outline)        15082
-Triangles (outline)      5067
-Triangles (filled)       17439
-Rounded rects (outline)  10023
-Rounded rects (filled)   99513
-Done!
-
-
-
-Benchmark                Time (microseconds)
-Screen fill              277415
-Text                     11618
-Text2                     36043
-Lines                    58163
-Horiz/Vert Lines         18655
-Rectangles (outline)     15391
-Rectangles (filled)      338450
-Circles (filled)         53050
-Circles (outline)        39227
-Triangles (outline)      18302
-Triangles (filled)       64198
-Rounded rects (outline)  29676
-Rounded rects (filled)   368960
-Done!
-
-
-
-Benchmark                Time (microseconds)
-Screen fill              277422
-Text                     13066
-Lines                    58240
-Horiz/Vert Lines         18655
-Rectangles (outline)     15422
-Rectangles (filled)      339230
-Circles (filled)         53049
-Circles (outline)        43195
-Triangles (outline)      18350
-Triangles (filled)       113536
-Rounded rects (outline)  31470
-Rounded rects (filled)   369703
-Done!
-
-
-
-
 */

examples/benchmark/benchmark.ino

@@ -19,6 +19,8 @@
 #define YELLOW  0xFFE0
 #define WHITE   0xFFFF
 
+uint8_t errorCode = 0;
+
 /*
 Teensy3.x and Arduino's
 You are using 4 wire SPI here, so:
@@ -28,25 +30,34 @@ You are using 4 wire SPI here, so:
  the rest of pin below:
  */
 #define __CS 10
-#define __DC 9
+#define __DC 6
 /*
 Teensy 3.x can use: 2,6,9,10,15,20,21,22,23
 Arduino's 8 bit: any
 DUE: check arduino site
-IMPORTANT!!!
+If you do not use reset, tie it to +3V3
-If you do not use reset pin, tie it to +3V3!! Do not leave floating!
 */
 
 
-TFT_ILI9163C tft = TFT_ILI9163C(__CS, __DC);
+TFT_ILI9163C tft = TFT_ILI9163C(__CS, __DC, 23);
 
 void setup() {
   Serial.begin(38400);
   long unsigned debug_start = millis ();
   while (!Serial && ((millis () - debug_start) <= 5000)) ;
   tft.begin();
-
+  //the following it's mainly for Teensy
+  //it will help you to understand if you have choosed the 
+  //wrong combination of pins!
+  errorCode = tft.errorCode();
+  if (errorCode != 0) {
+    Serial.print("Init error! ");
+    if (bitRead(errorCode, 0)) Serial.print("MOSI or SCLK pin mismach!\n");
+    if (bitRead(errorCode, 1)) Serial.print("CS or DC pin mismach!\n");
+  } else {
     Serial.println(F("Benchmark                Time (microseconds)"));
+  }
+  if (errorCode == 0) {
     Serial.print(F("Screen fill              "));
     Serial.println(testFillScreen());
     delay(500);
@@ -100,6 +111,7 @@ void setup() {
 
     Serial.println(F("Done!"));
   }
+}
 
 void loop(void) {
   for (uint8_t rotation = 0; rotation < 4; rotation++) {

keywords.txt

@@ -17,4 +17,5 @@ endPushData	KEYWORD2
 defineScrollArea	KEYWORD2
 writeScreen24	KEYWORD2
 idleMode	KEYWORD2
+errorCode	KEYWORD2