From 1b496fb2a89b1af1f4090b2910fdc5fd9f5a1c5a Mon Sep 17 00:00:00 2001
From: Stanley Huang <stanleyhuangyc@gmail.com>
Date: Sun, 1 Nov 2015 21:19:19 +1100
Subject: Add R61581 3.5" LCD support

---
 libraries/MultiLCD/SSD1289.cpp | 62 ++++++++++--------------------------------
 1 file changed, 14 insertions(+), 48 deletions(-)

(limited to 'libraries/MultiLCD/SSD1289.cpp')

diff --git a/libraries/MultiLCD/SSD1289.cpp b/libraries/MultiLCD/SSD1289.cpp
index 5c5a073..2fc8d8e 100644
--- a/libraries/MultiLCD/SSD1289.cpp
+++ b/libraries/MultiLCD/SSD1289.cpp
@@ -12,49 +12,15 @@
 Define zone
 **********************************************/
 
-#define RS 59
-#define WR 58
-#define CS 57
-#define RST 56
-
 #define PIN_BACKLIGHT 8
 
-#define X_CONST 240
-#define Y_CONST 320
-
-#define PREC_TOUCH_CONST 10
-
-#define PixSizeX	13.78
-#define PixOffsX	411
-
-#define PixSizeY	11.01
-#define PixOffsY	378
-
-#define WINDOW_XADDR_START	0x0050 // Horizontal Start Address Set
-#define WINDOW_XADDR_END	0x0051 // Horizontal End Address Set
-#define WINDOW_YADDR_START	0x0052 // Vertical Start Address Set
-#define WINDOW_YADDR_END	0x0053 // Vertical End Address Set
-#define GRAM_XADDR		    0x0020 // GRAM Horizontal Address Set
-#define GRAM_YADDR		    0x0021 // GRAM Vertical Address Set
-#define GRAMWR 			    0x0022 // memory write
-
-/* LCD color */
-#define White          0xFFFF
-#define Black          0x0000
-#define Blue           0x001F
-#define Blue2          0x051F
-#define Red            0xF800
-#define Magenta        0xF81F
-#define Green          0x07E0
-#define Cyan           0x7FFF
-#define Yellow         0xFFE0
-
 /**********************************************
 Standard C functions zone
 **********************************************/
 void LCD_SSD1289::begin()
 {
-    delay(50);
+	_hw_special_init();
+
 	pinMode(__p1,OUTPUT);
 	pinMode(__p2,OUTPUT);
 	pinMode(__p3,OUTPUT);
@@ -65,10 +31,8 @@ void LCD_SSD1289::begin()
 	if (display_transfer_mode!=1)
 		_set_direction_registers(display_transfer_mode);
 
-	_hw_special_init();
-
 	sbi(P_RST, B_RST);
-	delay(5);
+	delay(5); 
 	cbi(P_RST, B_RST);
 	delay(15);
 	sbi(P_RST, B_RST);
@@ -121,9 +85,9 @@ void LCD_SSD1289::begin()
 	LCD_Write_COM_DATA(0x25,0x8000);
 	LCD_Write_COM_DATA(0x4f,0x0000);
 	LCD_Write_COM_DATA(0x4e,0x0000);
-	LCD_Write_COM(0x22);
+	LCD_Write_COM(0x22);   
 
-	sbi (P_CS, B_CS);
+	sbi (P_CS, B_CS); 
 
 	clear();
 
@@ -144,7 +108,7 @@ void LCD_SSD1289::setXY(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2)
 	LCD_Write_COM_DATA(0x46,y2);
 	LCD_Write_COM_DATA(0x4e,x1);
 	LCD_Write_COM_DATA(0x4f,y1);
-	LCD_Write_COM(0x22);
+	LCD_Write_COM(0x22); 
 }
 
 void LCD_SSD1289::setBackLight(byte brightness)
@@ -161,18 +125,20 @@ void LCD_SSD1289::Disable()
     sbi(P_CS, B_CS);
 }
 
-void LCD_SSD1289::clearPixels(uint16_t pixels)
+void LCD_SSD1289::clearPixels(uint32_t pixels)
 {
+    Enable();
     do {
         setPixel(bch, bcl);
     } while(--pixels);
+    Disable();
 }
 
-void LCD_SSD1289::clear()
+void LCD_SSD1289::clear(uint16_t x, uint16_t y, uint16_t width, uint16_t height)
 {
-	setColor(0);
-	fillRect(0, 0, 319, 239);
-	setColor(0xffff);
+    setColor(0);
+    fillRect(x, y, x + width, y + height);
+    setColor(0xffff);
     m_x = 0;
     m_y = 0;
 }
@@ -186,7 +152,7 @@ size_t LCD_SSD1289::write(uint8_t c)
         m_x = 0;
         return 0;
     }
-    if (m_x >= 320) return 0;
+    if (m_x > disp_y_size) return 0;
     Enable();
     if (m_font == FONT_SIZE_SMALL) {
         setXY(m_x, m_y, m_x + 4, m_y + 7);
-- 
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