Switch to SPI (compatibility) & speed up rendering

Greenhouse.ino

@@ -1,7 +1,16 @@
 #include "SPI.h"
 #include "Adafruit_GFX.h"
-#include "Adafruit_TFTLCD.h"
+//#include "Adafruit_TFTLCD.h"
-//#include "Adafruit_ImageReader.h"
+#include "SPI.h"
+#include "Adafruit_GFX.h"
+#include "Adafruit_ILI9341.h"
+
+// For the Adafruit shield, these are the default.
+#define TFT_DC 48
+#define TFT_CS 49
+
+// Use hardware SPI (on Uno, #13, #12, #11) and the above for CS/DC
+Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);
 #include <TouchScreen.h>
 #include <avr/power.h>
 #include <avr/sleep.h>
@@ -67,10 +76,10 @@ word pin50 = 50;
 word pin51 = 51;
 word pin52 = 52;
 word pin53 = 53;
-word LCD_RD = A0;
+//word LCD_RD = A0;
-word LCD_WR = A1;
+//word LCD_WR = A1;
-word LCD_CD = A2;
+//word LCD_CD = A2;
-word LCD_CS = A3;
+//word LCD_CS = A3;
 word pinA4 = A4;
 word pinA5 = A5;
 word pinA6 = A6;
@@ -94,7 +103,7 @@ word pinA15 = A15;
 #define YELLOW  0xFFE0
 #define WHITE   0xFFFF
 
-Adafruit_TFTLCD tft(LCD_CS, LCD_CD, LCD_WR, LCD_RD, A0);
+//Adafruit_TFTLCD tft(LCD_CS, LCD_CD, LCD_WR, LCD_RD, A0);
 
 #define YP A4  
 #define XM A5  
@@ -102,9 +111,9 @@ Adafruit_TFTLCD tft(LCD_CS, LCD_CD, LCD_WR, LCD_RD, A0);
 #define XP 31   
 
 #define TS_MINX 100
-#define TS_MINY 82
+#define TS_MINY 150
-#define TS_MAXX 812
+#define TS_MAXX 900
-#define TS_MAXY 890
+#define TS_MAXY 900
 
 TouchScreen ts = TouchScreen(XP, YP, XM, YM, 333);
 
@@ -116,6 +125,7 @@ boolean debug = true;
 
 //Adafruit_Image img;
 // Plant logo
+
 static unsigned const char images_bits[] PROGMEM = {
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@@ -831,16 +841,18 @@ boolean s1, s2, s3, s4;
 
 void setup(void) {
   Serial.begin(9600);
-  tft.reset();
+  //tft.reset();
-  tft.begin(0x9341);
+  tft.begin();
   tft.setRotation(1);
   if(!fastboot) {
-    tft.fillScreen(WHITE);
+    tft.fillScreen(ILI9341_WHITE);
-    tft.drawXBitmap(0, 14, images_bits, 320, 212, GREEN); // loading
+    yield();
+    tft.drawXBitmap(0, 14, images_bits, 320, 212, ILI9341_GREEN); // loading
     delay(4000);
-    tft.fillScreen(WHITE);
+    tft.fillScreen(ILI9341_WHITE);
+    yield();
     delay(1000);
-    //tft.fillRect(0, 0, 320, 23, BLACK);
+    //tft.fillRect(0, 0, 320, 23, ILI9341_BLACK);
     printConsoleText("Booting GreenhouseOS...||");
     delay(250);
   }
@@ -894,21 +906,57 @@ void loop(void) {
     String txtin = "Serial: " + Serial.readString();
     printConsoleText(txtin.substring(0, txtin.length() - 1));
   }
-  
+  unsigned long mil = millis();
-  getMoisture();
+  String tmp = "[";
+  if(mil / 1000 < 10) {
+    tmp += "      ";
+  }
+  else if(mil / 1000 < 100) {
+    tmp += "     ";
+  }
+  else if(mil / 1000 < 1000) {
+    tmp += "    ";
+  }
+  else if(mil / 1000 < 10000) {
+    tmp += "   ";
+  }
+  else if(mil / 1000 < 100000) {
+    tmp += "  ";
+  }
+  else if(mil / 1000 < 1000000) {
+    tmp += " ";
+  }
+  tmp += mil / 1000;
+  tmp += ".";
+
+  if(mil % 1000 < 10) {
+    tmp += "00";
+  }
+  else if(mil % 1000 < 100) {
+    tmp += "0";
+  }
+  tmp += mil % 1000;
+  tmp += "]";
+  //printConsoleText(tmp);
+  //if(mil % 60000 < 3000) {
+    getMoisture();
+    //delay(500);
+  //}
+
   // change upd to true if screen update needed
   if(!debug && upd) {
-    tft.fillScreen(BLACK);
+    tft.fillScreen(ILI9341_BLACK);
-    tft.fillRect(0, 0, 320, 20, WHITE);
+    yield();
+    tft.fillRect(0, 0, 320, 20, ILI9341_WHITE);
     tft.setCursor(2, 2);
     tft.setTextSize(2);
-    tft.setTextColor(BLACK);
+    tft.setTextColor(ILI9341_BLACK);
     tft.print("Water Level: ");
     
     
     upd = false;
   }
-
+  
 }
 
 ISR (WDT_vect) 
@@ -1064,7 +1112,7 @@ void enablePS(int level) {
   if(level > 1) {
     Serial.end();
     power_adc_disable();
-    power_spi_disable();
+    //power_spi_disable();
     power_usart0_disable();
     power_usart1_disable();
     power_usart2_disable();
@@ -1092,7 +1140,8 @@ void clearLog() {
 
 void printConsoleText(String text) {
   if (outtext.equals("") && debug) {
-    tft.fillScreen(BLACK);
+    tft.fillScreen(ILI9341_BLACK);
+    yield();
   }
   oldtext = outtext;
   if (text.length() <= 53) {
@@ -1125,7 +1174,7 @@ void printConsoleText(String text) {
     //tft.setCursor(0, 0);
     //tft.fillScreen(BLACK);
     tft.setCursor(0, (count) * 8);
-    tft.setTextColor(WHITE);
+    tft.setTextColor(ILI9341_WHITE);
     tft.setTextSize(1);
     for(int x = count - 1; x >= 0; x--) {
       String tmp = getString(outtext, x);