Kenji Arai / TextLCD

In TextLCD_I2C_N Class, added void setContrast(unsigned char c) function as temporary. This is for ST7032i non-volume type contrast control.

Dependents:   LPC1114_data_logger RTC_w_COM Frequency_Counter_w_GPS_1PPS CW_Decoder_using_FFT_on_F446 ... more

Fork of TextLCD by Wim Huiskamp

In TextLCD_I2C_N Class, added void setContrast(unsigned char c) function as temporary.

Files at this revision

API Documentation at this revision

Revision 18:bd65dc10f27f, committed 2013-03-09

Comitter:
wim
Date:
Sat Mar 09 19:39:53 2013 +0000
Parent:
17:652ab113bc2e
Child:
19:c747b9e2e7b8
Commit message:
Added some UDCs, Updated documentation.

Changed in this revision

TextLCD.cpp Show annotated file Show diff for this revision Revisions of this file
TextLCD.h Show annotated file Show diff for this revision Revisions of this file 
--- a/TextLCD.cpp	Sat Mar 02 16:51:01 2013 +0000
+++ b/TextLCD.cpp	Sat Mar 09 19:39:53 2013 +0000
@@ -3,7 +3,8 @@
  *               2013, v01: WH, Added LCD types, fixed LCD address issues, added Cursor and UDCs 
  *               2013, v02: WH, Added I2C and SPI bus interfaces  
  *               2013, v03: WH, Added support for LCD40x4 which uses 2 controllers 
- *               2013, v04: WH, Added support for Display On/Off, improved 4bit bootprocess 
+ *               2013, v04: WH, Added support for Display On/Off, improved 4bit bootprocess
+ *               2013, v05: WH, Added support for 8x2B, added some UDCs   
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -172,10 +173,32 @@
     _writeByte(0x2);     // 4-bit mode
     wait_us(40);         // most instructions take 40us
 #endif
+
+    // Display is now in 4-bit mode
+
+#if(0)
+    // ST7036 controller: Initialise Voltage booster for VLCD. VDD=5V
+    // Note: supports 1,2 or 3 lines
+    _writeByte( 0x29 );    // 4-bit Databus, 2 Lines, Select Instruction table 1
+    wait_us(27);           // > 26,3ms 
+    _writeByte( 0x14 );    // Bias: 1/5, 2-Lines LCD 
+    wait_us(30);           // > 26,3ms
+    _writeByte( 0x55 );    // Icon off, Booster on, Set Contrast C5, C4
+    wait_us(30);           // > 26,3ms
+    _writeByte( 0x6d );    // Voltagefollower On, Ampl ratio Rab2, Rab1, Rab0
+    wait_ms(200);          // > 200ms!
+    _writeByte( 0x78 );    // Set Contrast C3, C2, C1, C0
+    wait_us(30);           // > 26,3ms
+    _writeByte( 0x28 );    // Return to Instruction table 0
+    wait_ms(50);
+#endif
     
-    // Display is now in 4-bit mode
+    // Initialise Display configuration
     switch (_type) {
         case LCD8x1:
+        case LCD8x2B:        
+            //8x1 is a regular 1 line display
+            //8x2B is a special case of 16x1
             _writeCommand(0x20); // Function set 001 DL N F - -
                                  //  DL=0 (4 bits bus)             
                                  //   N=0 (1 line)
@@ -611,7 +634,15 @@
     switch (_type) {
         case LCD8x1:
             return 0x00 + column;                        
-    
+
+        case LCD8x2B:
+            // LCD8x2B is a special layout of LCD16x1
+            if (row==0) 
+              return 0x00 + column;                        
+            else   
+              return 0x08 + column;                        
+
+
         case LCD16x1:
             // LCD16x1 is a special layout of LCD8x2
             if (column<8) 
@@ -672,7 +703,7 @@
         case LCD16x2B:      
             return 0x00 + (row * 40) + column;
       
-        case LCD8x2:        
+        case LCD8x2:               
         case LCD12x2:                
         case LCD16x2:
         case LCD20x2:
@@ -756,6 +787,7 @@
     switch (_type) {
         case LCD8x1:
         case LCD8x2:
+        case LCD8x2B:                
             return 8;
         
         case LCD12x2:        
@@ -793,6 +825,7 @@
             return 1;           
 
         case LCD8x2:  
+        case LCD8x2B:                        
         case LCD12x2:                      
         case LCD16x2:
         case LCD16x2B:

--- a/TextLCD.h	Sat Mar 02 16:51:01 2013 +0000
+++ b/TextLCD.h	Sat Mar 09 19:39:53 2013 +0000
@@ -4,6 +4,7 @@
  *               2013, v02: WH, Added I2C and SPI bus interfaces
  *               2013, v03: WH, Added support for LCD40x4 which uses 2 controllers   
  *               2013, v04: WH, Added support for Display On/Off, improved 4bit bootprocess  
+ *               2013, v05: WH, Added support for 8x2B, added some UDCs  
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -92,7 +93,9 @@
 const char udc_ao[] = {0x0E, 0x0A, 0x0E, 0x01, 0x0F, 0x11, 0x0F, 0x00};  //å
 const char udc_AE[] = {0x0F, 0x14, 0x14, 0x1F, 0x14, 0x14, 0x17, 0x00};  //Æ
 const char udc_0E[] = {0x0E, 0x13, 0x15, 0x15, 0x15, 0x19, 0x0E, 0x00};  //Ø
-const char udc_AA[] = {0x0E, 0x0A, 0x0E, 0x11, 0x1F, 0x11, 0x11, 0x00};  //Å
+const char udc_Ao[] = {0x0E, 0x0A, 0x0E, 0x11, 0x1F, 0x11, 0x11, 0x00};  //Å
+const char udc_PO[] = {0x04, 0x0A, 0x0A, 0x1F, 0x1B, 0x1B, 0x1F, 0x00};  //Padlock Open
+const char udc_PC[] = {0x1C, 0x10, 0x08, 0x1F, 0x1B, 0x1B, 0x1F, 0x00};  //Padlock Closed
 
 const char udc_0[]  = {0x18, 0x14, 0x12, 0x11, 0x12, 0x14, 0x18, 0x00};  // |>
 const char udc_1[]  = {0x03, 0x05, 0x09, 0x11, 0x09, 0x05, 0x03, 0x00};  // <|
@@ -114,12 +117,17 @@
 const char udc_Bat_Hi[] = {0x0E, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x00};  // Battery Full
 const char udc_Bat_Ha[] = {0x0E, 0x11, 0x11, 0x1F, 0x1F, 0x1F, 0x1F, 0x00};  // Battery Half
 const char udc_Bat_Lo[] = {0x0E, 0x11, 0x11, 0x11, 0x11, 0x1F, 0x1F, 0x00};  // Battery Low
+const char udc_AC[]     = {0x0A, 0x0A, 0x1F, 0x11, 0x0E, 0x04, 0x04, 0x00};  // AC Power
 
-const char udc_bar_1[]  = {0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x00};  // Bar 1
-const char udc_bar_2[]  = {0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00};  // Bar 11
-const char udc_bar_3[]  = {0x1C, 0x1C, 0x1C, 0x1C, 0x1C, 0x1C, 0x1C, 0x00};  // Bar 111
-const char udc_bar_4[]  = {0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x00};  // Bar 1111
-const char udc_bar_5[]  = {0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x00};  // Bar 11111
+//const char udc_smiley[] = {0x00, 0x0A, 0x00, 0x04, 0x11, 0x0E, 0x00, 0x00};  // Smiley
+//const char udc_droopy[] = {0x00, 0x0A, 0x00, 0x04, 0x00, 0x0E, 0x11, 0x00};  // Droopey
+//const char udc_note[]   = {0x01, 0x03, 0x05, 0x09, 0x0B, 0x1B, 0x18, 0x00};  // Note
+
+//const char udc_bar_1[]  = {0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x00};  // Bar 1
+//const char udc_bar_2[]  = {0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00};  // Bar 11
+//const char udc_bar_3[]  = {0x1C, 0x1C, 0x1C, 0x1C, 0x1C, 0x1C, 0x1C, 0x00};  // Bar 111
+//const char udc_bar_4[]  = {0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x00};  // Bar 1111
+//const char udc_bar_5[]  = {0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x00};  // Bar 11111
 
 
 /** A TextLCD interface for driving 4-bit HD44780-based LCDs
@@ -134,6 +142,7 @@
     enum LCDType {
         LCD8x1,     /**<  8x1 LCD panel */    
         LCD8x2,     /**<  8x2 LCD panel */          
+        LCD8x2B,    /**<  8x2 LCD panel (actually 16x1) */                  
         LCD12x2,    /**< 12x2 LCD panel */                          
         LCD12x4,    /**< 12x4 LCD panel */                  
         LCD16x1,    /**< 16x1 LCD panel (actually 8x2) */