Fork of 4DGL lib for uLCD-144-G2. Different command values needed. See https://mbed.org/users/4180_1/notebook/ulcd-144-g2-128-by-128-color-lcd/ for instructions and demo code.

Dependents:   mythermostat MorseCode SuperMbedBall frogger_G ... more

Fork of 4DGL by Adam Green

Files at this revision

API Documentation at this revision

Comitter:
4180_1
Date:
Sun Nov 17 04:36:12 2013 +0000
Parent:
1:8b656995301f
Child:
3:9ba47197d94f
Commit message:
ver 1.01

Changed in this revision

uLCD_4DGL.h Show annotated file Show diff for this revision Revisions of this file
uLCD_4DGL_Text.cpp Show annotated file Show diff for this revision Revisions of this file
uLCD_4DGL_main.cpp Show annotated file Show diff for this revision Revisions of this file
--- a/uLCD_4DGL.h	Mon Nov 11 01:22:41 2013 +0000
+++ b/uLCD_4DGL.h	Sun Nov 17 04:36:12 2013 +0000
@@ -22,7 +22,7 @@
 
 // Debug Verbose on terminal enabled
 #ifndef DEBUGMODE
-#define DEBUGMODE 1
+#define DEBUGMODE 0
 #endif
 
 // Common WAIT value in millisecond
@@ -34,6 +34,7 @@
 #define BAUDRATE     '\x0B' //null prefix
 #define VERSION      '\x08' //null prefix
 #define BCKGDCOLOR   '\x6E'
+#define TXTBCKGDCOLOR '\x7E'
 #define DISPCONTROL  '\x68'
 #define SETVOLUME    '\x76'
 #define CIRCLE       '\xCC'
@@ -44,9 +45,11 @@
 #define PIXEL        '\xCB'
 #define READPIXEL    '\xCA'
 #define SCREENCOPY   '\x63'  //na?
-#define PENSIZE      '\x70'  //na
+#define PENSIZE      '\xD8'
 #define SETFONT      '\x7D'
 #define TEXTMODE     '\x77'
+#define TEXTWIDTH    '\x7C'
+#define TEXTHEIGHT   '\x7B'
 #define TEXTCHAR     '\xFE'
 #define GRAPHCHAR    '\x74'
 #define TEXTSTRING   '\x06'  //null prefix
@@ -55,6 +58,7 @@
 #define GETTOUCH     '\x6F'
 #define WAITTOUCH    '\x77'
 #define SETTOUCH     '\x75'
+#define PUTCHAR      '\xFE'
 
 
 // Screen answers
@@ -74,7 +78,8 @@
 #define OPAQUE       '\x01'
 
 // Fonts Sizes
-#define FONT_5X7     '\x00'
+#define FONT_7X8     '\x00' //only builtin font 
+#define FONT_5X7     '\x04'
 #define FONT_8X8     '\x01'
 #define FONT_8X12    '\x02'
 #define FONT_12X16   '\x03'
@@ -170,7 +175,7 @@
 * @endcode
 */
 
-class uLCD_4DGL
+class uLCD_4DGL : public Stream
 {
 
 public :
@@ -201,6 +206,12 @@
     * @param mode See 4DGL documentation
     * @param value See 4DGL documentation
     */
+    void textbackground_color(int color);
+
+    /** Set screen display mode to specific values
+    * @param mode See 4DGL documentation
+    * @param value See 4DGL documentation
+    */
     void display_control(char mode, char value);
 
     /** Set internal speaker to specified value
@@ -230,6 +241,8 @@
 // Texts Commands
     void set_font(char);
     void text_mode(char);
+    void text_width(char);
+    void text_height(char);
     void text_char(char, char, char, int);
     void graphic_char(char, int, int, int, char, char);
     void text_string(char *, char, char, char, int);
@@ -241,6 +254,8 @@
     void putc(char);
     void puts(char *);
 
+
+
 // Touch Command
     void touch_mode(char);
     void get_touch(int *, int *);
@@ -263,11 +278,24 @@
     char current_orientation;
     char max_col;
     char max_row;
+    int current_w, current_h;
+    int current_fx, current_fy;
+    int current_wf, current_hf;
+    
 
 protected :
 
     Serial     _cmd;
     DigitalOut _rst;
+    //used by printf
+    virtual int _putc(int c) {
+        putc(c);
+        return 0;
+    };
+    virtual int _getc() {
+        return 0;
+    }
+
 
     void freeBUFFER  (void);
     void writeBYTE   (char);
@@ -285,3 +313,4 @@
 typedef unsigned char BYTE;
 
 
+
--- a/uLCD_4DGL_Text.cpp	Mon Nov 11 01:22:41 2013 +0000
+++ b/uLCD_4DGL_Text.cpp	Sun Nov 17 04:36:12 2013 +0000
@@ -24,8 +24,6 @@
 {
     char command[3]= "";
 
-    int w, h, fx = 8, fy = 8;
-
     command[0] = SETFONT;
     command[1] = 0;
     command[2] = mode;
@@ -33,34 +31,38 @@
     current_font = mode;
 
     if (current_orientation == IS_PORTRAIT) {
-        w = SIZE_X;
-        h = SIZE_Y;
+        current_w = SIZE_X;
+        current_h = SIZE_Y;
     } else {
-        w = SIZE_Y;
-        h = SIZE_X;
+        current_w = SIZE_Y;
+        current_h = SIZE_X;
     }
 
     switch (mode) {
         case FONT_5X7 :
-            fx = 6;
-            fy = 8;
+            current_fx = 6;
+            current_fy = 8;
+            break;
+        case FONT_7X8 :
+            current_fx = 7;
+            current_fy = 8;
             break;
         case FONT_8X8 :
-            fx = 8;
-            fy = 8;
+            current_fx = 8;
+            current_fy = 8;
             break;
         case FONT_8X12 :
-            fx = 8;
-            fy = 12;
+            current_fx = 8;
+            current_fy = 12;
             break;
         case FONT_12X16 :
-            fx = 12;
-            fy = 16;
+            current_fx = 12;
+            current_fy = 16;
             break;
     }
 
-    max_col = w / fx;
-    max_row = h / fy;
+    max_col = current_w / (current_fx*current_wf);
+    max_row = current_h / (current_fy*current_hf);
 
     writeCOMMAND(command, 3);
 }
@@ -78,6 +80,33 @@
 }
 
 //****************************************************************************************************
+void uLCD_4DGL :: text_width(char width)     // set text width
+{
+    char command[3]= "";
+
+    command[0] = TEXTWIDTH;
+    command[1] = 0;
+    command[2] = width;
+    current_wf = width;
+    max_col = current_w / (current_fx*current_wf);
+    writeCOMMAND(command, 3);
+}
+
+//****************************************************************************************************
+void uLCD_4DGL :: text_height(char height)     // set text height
+{
+    char command[3]= "";
+
+    command[0] = TEXTHEIGHT;
+    command[1] = 0;
+    command[2] = height;
+    current_hf = height;
+    max_row = current_h / (current_fy*current_hf);
+    writeCOMMAND(command, 3);
+}
+
+
+//****************************************************************************************************
 void uLCD_4DGL :: text_char(char c, char col, char row, int color)     // draw a text char
 {
     char command[6]= "";
@@ -250,31 +279,76 @@
 //****************************************************************************************************
 void uLCD_4DGL :: locate(char col, char row)     // place text curssor at col, row
 {
+    char command[5] = "";
     current_col = col;
     current_row = row;
+    command[0] = 0xE4; //move cursor
+    command[1] = 0;
+    command[2] = current_row;
+    command[3] = 0;
+    command[4] = current_col;
+    writeCOMMAND(command, 5);
 }
 
 //****************************************************************************************************
 void uLCD_4DGL :: color(int color)     // set text color
 {
+    char command[5] = "";
     current_color = color;
+    command[0] = 0x7F;  //set color
+
+    int red5   = (color >> (16 + 3)) & 0x1F;              // get red on 5 bits
+    int green6 = (color >> (8 + 2))  & 0x3F;              // get green on 6 bits
+    int blue5  = (color >> (0 + 3))  & 0x1F;              // get blue on 5 bits
+
+    command[1] = ((red5 << 3)   + (green6 >> 3)) & 0xFF;  // first part of 16 bits color
+    command[2] = ((green6 << 5) + (blue5 >>  0)) & 0xFF;  // second part of 16 bits color
+    writeCOMMAND(command, 3);
 }
 
 //****************************************************************************************************
-void uLCD_4DGL :: putc(char c)     // place char at current cursor position
+void uLCD_4DGL :: putc(char c)      // place char at current cursor position
+//used by virtual printf function _putc
 {
+    char command[6] ="";
 
-    text_char(c, current_col++, current_row, current_color);
-
+    if(c=='\n') {
+        current_col = 0;
+        current_row++;
+        command[0] = 0xE4; //move cursor to start of next line
+        command[1] = 0;
+        command[2] = current_row;
+        command[3] = 0;
+        command[4] = current_col;
+        writeCOMMAND(command, 5);
+    } else {
+        command[0] = PUTCHAR;
+        command[1] = 0x00;
+        command[2] = c;
+        writeCOMMAND(command,3);
+    }
     if (current_col == max_col) {
         current_col = 0;
         current_row++;
+        command[0] = 0xE4; //move cursor to next line
+        command[1] = 0;
+        command[2] = current_row;
+        command[3] = 0;
+        command[4] = current_col;
+        writeCOMMAND(command, 5);
     }
     if (current_row == max_row) {
         current_row = 0;
+        command[0] = 0xE4; //move cursor back to start
+        command[1] = 0;
+        command[2] = current_row;
+        command[3] = 0;
+        command[4] = current_col;
+        writeCOMMAND(command, 5);
     }
 }
 
+
 //****************************************************************************************************
 void uLCD_4DGL :: puts(char *s)     // place string at current cursor position
 {
--- a/uLCD_4DGL_main.cpp	Mon Nov 11 01:22:41 2013 +0000
+++ b/uLCD_4DGL_main.cpp	Sun Nov 17 04:36:12 2013 +0000
@@ -1,5 +1,5 @@
 //
-// uLCD_4DGL is a class to drive 4D Systems TFT touch screens
+// uLCD_4DGL is a class to drive 4D Systems uLCD 144 G2
 //
 // Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
 //
@@ -53,8 +53,9 @@
     current_row         = 0;            // initial cursor row
     current_color       = WHITE;        // initial text color
     current_orientation = IS_PORTRAIT;  // initial screen orientation
-
-    set_font(FONT_5X7);                 // initial font
+    current_hf = 1;
+    current_wf = 1;
+    set_font(FONT_7X8);                 // initial font
 //   text_mode(OPAQUE);                  // initial texr mode
 }
 
@@ -132,7 +133,7 @@
 #endif
     int i, resp = 0;
     freeBUFFER();
-    writeBYTE(0x00);
+    writeBYTE(0x00); //command has a null prefix byte
     for (i = 0; i < number; i++) writeBYTE(command[i]); // send command to serial port
 
     while (!_cmd.readable()) wait_ms(TEMPO);              // wait for screen answer
@@ -172,6 +173,9 @@
 
     command[0] = CLS;
     writeCOMMAND(command, 1);
+    current_hf = 1;
+    current_wf = 1;
+    set_font(FONT_7X8);                 // initial font
 }
 
 //**************************************************************************
@@ -322,6 +326,23 @@
 }
 
 //****************************************************************************************************
+void uLCD_4DGL :: textbackground_color(int color)              // set screen background color
+{
+    char command[3]= "";                                  // input color is in 24bits like 0xRRGGBB
+
+    command[0] = TXTBCKGDCOLOR;
+
+    int red5   = (color >> (16 + 3)) & 0x1F;              // get red on 5 bits
+    int green6 = (color >> (8 + 2))  & 0x3F;              // get green on 6 bits
+    int blue5  = (color >> (0 + 3))  & 0x1F;              // get blue on 5 bits
+
+    command[1] = ((red5 << 3)   + (green6 >> 3)) & 0xFF;  // first part of 16 bits color
+    command[2] = ((green6 << 5) + (blue5 >>  0)) & 0xFF;  // second part of 16 bits color
+
+    writeCOMMAND(command, 3);
+}
+
+//****************************************************************************************************
 void uLCD_4DGL :: display_control(char mode, char value)     // set screen mode to value
 {
     char command[3]= "";
@@ -440,4 +461,4 @@
 #endif
 
     return resp;
-}
\ No newline at end of file
+}