Aleksei Gimbitskii
made some changes in config header file to make this library work with 1602A display and PCF8574AT I2C-bus interface
Fork of
TextLCD
by 
Wim Huiskamp
Diff: TextLCD.cpp
- Revision:
- 40:d3496c3ea301
- Parent:
- 39:e9c2319de9c5
- Child:
- 41:111ca62e8a59
diff -r e9c2319de9c5 -r d3496c3ea301 TextLCD.cpp
--- a/TextLCD.cpp Tue May 19 18:13:00 2015 +0000
+++ b/TextLCD.cpp Wed May 20 18:46:51 2015 +0000
@@ -21,7 +21,7 @@
* 2015, v18: WH, Performance improvement I2C portexpander
* 2015, v19: WH, Fixed Adafruit I2C/SPI portexpander pinmappings, fixed SYDZ Backlight
* 2015, v20: WH, Fixed occasional Init fail caused by insufficient wait time after ReturnHome command (0x02), Added defines to reduce memory footprint (eg LCD_ICON),
- * Fixed and Added more fonttable support for PCF2119K, Added HD66712 controller.
+ * Fixed and Added more fonttable support for PCF2119R_3V3, Added HD66712 controller.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
@@ -1225,49 +1225,46 @@
case LCD20x1:
case LCD24x1:
// case LCD32x1: // EXT pin is High, extension driver needed
- _function = 0x02; // Function set 001 DL N RE(0) DH REV (Std Regs)
+ _function = 0x02; // Function set 001 DL N RE(0) - - (Std Regs)
// DL=0 (4 bits bus)
// N=0 (1-line mode, N=1 2-line mode)
- // RE=0 (Dis. Extended Regs, special mode for KS0073)
- // DH=1 (Disp shift enable, special mode for KS0073)
- // REV=0 (Reverse normal, special mode for KS0073)
+ // RE=0 (Dis. Extended Regs, special mode for HD66712)
+ //
_function_1 = 0x04; // Function set 001 DL N RE(1) BE LP (Ext Regs)
// DL=0 (4 bits bus)
// N=0 (1-line mode, N=1 2-line mode)
- // RE=1 (Ena Extended Regs, special mode for KS0073)
- // BE=0 (Blink Enable, CG/SEG RAM, special mode for KS0073)
- // LP=0 (LP=1 Low power mode, LP=0 Normal)
+ // RE=1 (Ena Extended Regs; special mode for HD66712)
+ // BE=0 (Blink Enable, CG/SEG RAM; special mode for HD66712)
+ // LP=0 (LP=1 Low power mode, LP=0 Normal; special mode for HD66712)
_function_x = 0x00; // Ext Function set 0000 1 FW BW NW (Ext Regs)
- // NW=0 (1,2 line), NW=1 (4 Line, special mode for KS0073)
+ // NW=0 (1,2 line), NW=1 (4 Line, special mode for HD66712)
break;
-// case LCD12x3D: // Special mode for KS0073, KS0078 and PCF21XX
-// case LCD12x3D1: // Special mode for KS0073, KS0078 and PCF21XX
+// case LCD12x3D: // Special mode for KS0073, KS0078, PCF21XX and HD66712
+// case LCD12x3D1: // Special mode for KS0073, KS0078, PCF21XX and HD66712
case LCD12x4D: // Special mode for KS0073, KS0078, PCF21XX and HD66712
-// case LCD16x3D: // Special mode for KS0073, KS0078
-// case LCD16x4D: // Special mode for KS0073, KS0078
+// case LCD16x3D: // Special mode for KS0073, KS0078 and HD66712
+// case LCD16x4D: // Special mode for KS0073, KS0078 and HD66712
case LCD20x4D: // Special mode for KS0073, KS0078 and HD66712
- _function = 0x02; // Function set 001 DL N RE(0) DH REV (Std Regs)
+ _function = 0x02; // Function set 001 DL N RE(0) - - (Std Regs)
// DL=0 (4 bits bus)
- // N=0 (dont care for 4 line mode)
- // RE=0 (Dis. Extended Regs, special mode for KS0073)
- // DH=1 (Disp shift enable, special mode for KS0073)
- // REV=0 (Reverse normal, special mode for KS0073)
+ // N=0 (1-line mode, N=1 2-line mode)
+ // RE=0 (Dis. Extended Regs, special mode for HD66712)
+ //
_function_1 = 0x04; // Function set 001 DL N RE(1) BE LP (Ext Regs)
// DL=0 (4 bits bus)
- // N=0 (1-line mode), N=1 (2-line mode)
- // RE=1 (Ena Extended Regs, special mode for KS0073)
- // BE=0 (Blink Enable, CG/SEG RAM, special mode for KS0073)
- // LP=0 (LP=1 Low power mode, LP=0 Normal)
+ // N=0 (1-line mode, N=1 2-line mode)
+ // RE=1 (Ena Extended Regs; special mode for HD66712)
+ // BE=0 (Blink Enable, CG/SEG RAM; special mode for HD66712)
+ // LP=0 (LP=1 Low power mode, LP=0 Normal; special mode for HD66712)
_function_x = 0x01; // Ext Function set 0000 1 FW BW NW (Ext Regs)
- // NW=0 (1,2 line), NW=1 (4 Line, special mode for KS0073)
+ // NW=0 (1,2 line), NW=1 (4 Line, special mode for HD66712)
break;
-
case LCD16x3G: // Special mode for ST7036
// case LCD24x3D: // Special mode for KS0078
// case LCD24x3D1: // Special mode for KS0078
@@ -1277,22 +1274,20 @@
default:
// All other LCD types are initialised as 2 Line displays (including LCD16x1C and LCD40x4)
- _function = 0x0A; // Function set 001 DL N RE(0) DH REV (Std Regs)
+ _function = 0x0A; // Function set 001 DL N RE(0) - - (Std Regs)
// DL=0 (4 bits bus)
// N=1 (2-line mode), N=0 (1-line mode)
- // RE=0 (Dis. Extended Regs, special mode for KS0073)
- // DH=1 (Disp shift enable, special mode for KS0073)
- // REV=0 (Reverse normal, special mode for KS0073)
+ // RE=0 (Dis. Extended Regs, special mode for HD66712)
_function_1 = 0x0C; // Function set 001 DL N RE(1) BE LP (Ext Regs)
// DL=0 (4 bits bus)
// N=1 (2 line mode), N=0 (1-line mode)
- // RE=1 (Ena Extended Regs, special mode for KS0073)
- // BE=0 (Blink Enable, CG/SEG RAM, special mode for KS0073)
- // LP=0 (LP=1 Low power mode, LP=0 Normal)
+ // RE=1 (Ena Extended Regs, special mode for HD66712)
+ // BE=0 (Blink Enable, CG/SEG RAM, special mode for HD66712)
+ // LP=0 (LP=1 Low power mode, LP=0 Normal)
_function_x = 0x00; // Ext Function set 0000 1 FW BW NW (Ext Regs)
- // NW=0 (1,2 line), NW=1 (4 Line, special mode for KS0073)
+ // NW=0 (1,2 line), NW=1 (4 Line, special mode for HD66712)
break;
} // switch type
@@ -1300,27 +1295,27 @@
_writeCommand(0x20 | _function_1);// Function set 001 DL N RE(1) BE LP (Ext Regs)
// DL=0 (4 bits bus), DL=1 (8 bits mode)
// N=0 (1 line mode), N=1 (2 line mode)
- // RE=1 (Ena Extended Regs, special mode for KS0073)
- // BE=0 (Blink Enable/Disable, CG/SEG RAM, special mode for KS0073)
+ // RE=1 (Ena Extended Regs, special mode for HD66712)
+ // BE=0 (Blink Enable/Disable, CG/SEG RAM, special mode for HD66712)
// LP=0 (LP=1 Low power mode, LP=0 Normal)
_writeCommand(0x08 | _function_x); // Ext Function set 0000 1 FW BW NW (Ext Regs)
- // FW=0 (5-dot font, special mode for KS0073)
- // BW=0 (Cur BW invert disable, special mode for KS0073)
- // NW=0 (1,2 Line), NW=1 (4 line, special mode for KS0073)
-
- _writeCommand(0x10); // Scroll/Shift set 0001 DS/HS4 DS/HS3 DS/HS2 DS/HS1 (Ext Regs)
- // Dotscroll/Display shift enable (Special mode for KS0073)
-
- _writeCommand(0x80); // Scroll Quantity set 1 0 SQ5 SQ4 SQ3 SQ2 SQ1 SQ0 (Ext Regs)
- // Scroll quantity (Special mode for KS0073)
+ // FW=0 (5-dot font, special mode for HD66712)
+ // BW=0 (Cur BW invert disable, special mode for HD66712)
+ // NW=0 (1,2 Line), NW=1 (4 line, special mode for HD66712)
+
+ _writeCommand(0x10); // Scroll/Shift set 0001 HS4 HS3 HS2 HS1 (Ext Regs)
+ // Dotscroll/Display shift enable (Special mode for HD66712)
+
+ _writeCommand(0x80); // Scroll Quantity set 1 0 HDS5 HDS4 HDS3 HDS2 HDS1 HDS0 (Ext Regs)
+ // Scroll quantity (Special mode for HD66712)
_writeCommand(0x20 | _function); // Function set 001 DL N RE(0) DH REV (Std Regs)
// DL=0 (4 bits bus), DL=1 (8 bits mode)
// N=0 (1 line mode), N=1 (2 line mode)
- // RE=0 (Dis. Extended Regs, special mode for KS0073)
- // DH=1 (Disp shift enable/disable, special mode for KS0073)
- // REV=0 (Reverse/Normal, special mode for KS0073)
+ // RE=0 (Dis. Extended Regs, special mode for HD66712)
+ // DH=1 (Disp shift enable/disable, special mode for HD66712)
+ // REV=0 (Reverse/Normal, special mode for HD66712)
break; // case HD66712 Controller
@@ -1466,7 +1461,7 @@
}
else {
//Character to write
-#if (LCD_DEFAULT_FONT == 1)
+#if (LCD_DEF_FONT == 1)
_writeData(value);
#else
_writeData(ASCII_2_LCD(value));
@@ -1978,7 +1973,8 @@
case PCF2113_3V3 : // Some UDCs may be used for Icons
case PCF2116_3V3 :
case PCF2116_5V :
- case PCF2119_3V3 : // Some UDCs may be used for Icons
+ case PCF2119_3V3 : // Some UDCs may be used for Icons
+ case PCF2119R_3V3: // Some UDCs may be used for Icons
c = c & 0x0F; // mask down to valid range
break;
@@ -2036,13 +2032,14 @@
case BlinkOn:
// Controllers that support UDC/Icon Blink
switch (_ctrl) {
- case KS0073 :
- case KS0078 :
+ case KS0073 :
+ case KS0078 :
+ case HD66712 :
_function_1 |= 0x02; // Enable UDC/Icon Blink
_writeCommand(0x20 | _function_1); // Function set 0 0 1 DL N RE(1) BE 0/LP (Ext Regs)
_writeCommand(0x20 | _function); // Function set 0 0 1 DL N RE(0) DH REV (Std Regs)
- break; // case KS0073, KS0078 Controller
+ break; // case KS0073, KS0078, HD66712 Controller
case US2066_3V3 :
case SSD1803_3V3 :
@@ -2075,13 +2072,14 @@
case BlinkOff:
// Controllers that support UDC Blink
switch (_ctrl) {
- case KS0073 :
- case KS0078 :
+ case KS0073 :
+ case KS0078 :
+ case HD66712:
_function_1 &= ~0x02; // Disable UDC/Icon Blink
_writeCommand(0x20 | _function_1); // Function set 0 0 1 DL N RE(1) BE 0/LP (Ext Regs)
_writeCommand(0x20 | _function); // Function set 0 0 1 DL N RE(0) DH REV (Std Regs)
- break; // case KS0073, KS0078 Controller
+ break; // case KS0073, KS0078, HD66712 Controller
case US2066_3V3 :
case SSD1803_3V3 :