KRAI ITB GARUDAGO
LCD I2C
Dependents: proyectoRTOS proyectoRTOS2 proyectoRTOS proyectoRTOSp ... more
Diff: TextLCD.cpp
- Revision:
- 34:e5a0dcb43ecc
- Parent:
- 33:900a94bc7585
- Child:
- 35:311be6444a39
diff -r 900a94bc7585 -r e5a0dcb43ecc TextLCD.cpp
--- a/TextLCD.cpp Thu Aug 28 15:44:08 2014 +0000
+++ b/TextLCD.cpp Sat Sep 27 12:38:27 2014 +0000
@@ -12,8 +12,9 @@
* 2014, v10: WH, Added Class for Native I2C controllers such as ST7032i, Added support for MCP23008 I2C portexpander, Added support for Adafruit module
* 2014, v11: WH, Added support for native I2C controllers such as PCF21XX, Improved the _initCtrl() method to deal with differences between all supported controllers
* 2014, v12: WH, Added support for native I2C controller PCF2119 and native I2C/SPI controllers SSD1803, ST7036, added setContrast method (by JH1PJL) for supported devices (eg ST7032i)
- * 2014, v13: WH, Added support for controllers US2066/SSD1311 (OLED), added setUDCBlink method for supported devices (eg SSD1803), fixed issue in setPower()
- *@Todo Add AC780S/KS0066i
+ * 2014, v13: WH, Added support for controllers US2066/SSD1311 (OLED), added setUDCBlink() method for supported devices (eg SSD1803), fixed issue in setPower()
+ * 2014, v14: WH, Added support for PT6314 (VFD), added setOrient() method for supported devices (eg SSD1803, US2066), added Double Height lines for supported devices,
+ * added 16 UDCs for supported devices (eg PCF2103), moved UDC defines to TextLCD_UDC file, added TextLCD_Config.h for feature and footprint settings.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
@@ -33,103 +34,10 @@
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
-
+#include "mbed.h"
#include "TextLCD.h"
-#include "mbed.h"
-
-//For Testing only
-//DigitalOut led1(LED1);
-//DigitalOut led2(LED2);
-// led2=!led2;
-
-
-// User Defined Characters (UDCs) are defined by an 8 byte bitpattern. The P0..P5 form the character pattern.
-// P7 P6 P5 P4 P3 P2 P1 P0
-// 0 B1 B0 x 0 1 1 1 0
-// 1 B1 B0 x 1 0 0 0 1
-// . .............
-// 7 B1 B0 x 1 0 0 0 1
-//
-// Blinking UDCs are enabled when a specific controlbit (BE) is set.
-// The blinking pixels in the UDC can be controlled by setting additional bits in the UDC bitpattern.
-// Bit 6 and Bit 7 in the pattern will control the blinking mode when Blink is enabled through BE.
-// B1 B0 Mode
-// 0 0 No Blinking in this row of the UDC
-// 0 1 Enabled pixels in P4 will blink
-// 1 x Enabled pixels in P0..P4 will blink
-
-/** Some sample User Defined Chars 5x7 dots */
-//const char udc_ae[] = {0x00, 0x00, 0x1B, 0x05, 0x1F, 0x14, 0x1F, 0x00}; //æ
-//const char udc_0e[] = {0x00, 0x00, 0x0E, 0x13, 0x15, 0x19, 0x0E, 0x00}; //ø
-//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_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_alpha[] = {0x00, 0x00, 0x0D, 0x12, 0x12, 0x12, 0x0D, 0x00}; //alpha
-//const char udc_ohm[] = {0x0E, 0x11, 0x11, 0x11, 0x0A, 0x0A, 0x1B, 0x00}; //ohm
-//const char udc_sigma[] = {0x1F, 0x08, 0x04, 0x02, 0x04, 0x08, 0x1F, 0x00}; //sigma
-//const char udc_pi[] = {0x1F, 0x0A, 0x0A, 0x0A, 0x0A, 0x0A, 0x0A, 0x00}; //pi
-//const char udc_root[] = {0x07, 0x04, 0x04, 0x04, 0x14, 0x0C, 0x04, 0x00}; //root
-
-const char udc_0[] = {0x18, 0x14, 0x12, 0x11, 0x12, 0x14, 0x18, 0x00}; // |>
-const char udc_1[] = {0x03, 0x05, 0x09, 0x11, 0x09, 0x05, 0x03, 0x00}; // <|
-const char udc_2[] = {0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x00}; // |
-const char udc_3[] = {0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x00}; // ||
-const char udc_4[] = {0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x00}; // |||
-const char udc_5[] = {0x00, 0x1f, 0x00, 0x1f, 0x00, 0x1f, 0x00, 0x00}; // =
-const char udc_6[] = {0x15, 0x0a, 0x15, 0x0a, 0x15, 0x0a, 0x15, 0x00}; // checkerboard
-const char udc_7[] = {0x10, 0x08, 0x04, 0x02, 0x01, 0x00, 0x10, 0x00}; // \
-
-const char udc_degr[] = {0x06, 0x09, 0x09, 0x06, 0x00, 0x00, 0x00, 0x00}; // Degree symbol
-
-const char udc_TM_T[] = {0x1F, 0x04, 0x04, 0x04, 0x00, 0x00, 0x00, 0x00}; // Trademark T
-const char udc_TM_M[] = {0x11, 0x1B, 0x15, 0x11, 0x00, 0x00, 0x00, 0x00}; // Trademark M
-
-//const char udc_Bat_Hi[] = {0x0E, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x00}; // Battery Full
-//const char udc_Bat_Ha[] = {0x0E, 0x11, 0x13, 0x17, 0x1F, 0x1F, 0x1F, 0x00}; // Battery Half
-//const char udc_Bat_Lo[] = {0x0E, 0x11, 0x11, 0x11, 0x11, 0x11, 0x1F, 0x00}; // Battery Low
-//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_Bat_Hi[] = {0x8E, 0x9F, 0x9F, 0x9F, 0x9F, 0x9F, 0x9F, 0x00}; // Battery Full, Blink
-const char udc_Bat_Ha[] = {0x8E, 0x91, 0x91, 0x9F, 0x9F, 0x9F, 0x9F, 0x00}; // Battery Half, Blink
-const char udc_Bat_Lo[] = {0x8E, 0x91, 0x91, 0x91, 0x91, 0x9F, 0x9F, 0x00}; // Battery Low, Blink
-const char udc_AC[] = {0x0A, 0x0A, 0x1F, 0x11, 0x0E, 0x04, 0x04, 0x00}; // AC Power
-
-//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
-
-//const char udc_ch_1[] = {0x1f, 0x00, 0x1f, 0x00, 0x1f, 0x00, 0x1f, 0x00}; // Hor bars 4
-//const char udc_ch_2[] = {0x00, 0x1f, 0x00, 0x1f, 0x00, 0x1f, 0x00, 0x1f}; // Hor bars 4 (inverted)
-//const char udc_ch_3[] = {0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x15}; // Ver bars 3
-//const char udc_ch_4[] = {0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a, 0x0a}; // Ver bars 3 (inverted)
-//const char udc_ch_yr[] = {0x08, 0x0f, 0x12, 0x0f, 0x0a, 0x1f, 0x02, 0x02}; // Year (kana)
-//const char udc_ch_mo[] = {0x0f, 0x09, 0x0f, 0x09, 0x0f, 0x09, 0x09, 0x13}; // Month (kana)
-//const char udc_ch_dy[] = {0x1f, 0x11, 0x11, 0x1f, 0x11, 0x11, 0x11, 0x1F}; // Day (kana)
-//const char udc_ch_mi[] = {0x0C, 0x0a, 0x11, 0x1f, 0x09, 0x09, 0x09, 0x13}; // minute (kana)
-
-//const char udc_bell[] = {0x04,0x0E,0x0E,0x0E,0x1F,0x00,0x04};
-//const char udc_note[] = {0x02,0x03,0x02,0x0E,0x1E,0x0C,0x00};
-//const char udc_clock[] = {0x00,0x0E,0x15,0x17,0x11,0x0E,0x00};
-//const char udc_heart[] = {0x00,0x0a,0x1F,0x1F,0x0E,0x04,0x00};
-//const char udc_duck[] = {0x00,0x0c,0x1D,0x0F,0x0F,0x06,0x00};
-//const char udc_check[] = {0x00,0x01,0x03,0x16,0x1C,0x08,0x00};
-//const char udc_cross[] = {0x00,0x1B,0x0E,0x04,0x0E,0x1B,0x00};
-//const char udc_retarrow[] = {0x01,0x01,0x05,0x09,0x1f,0x08,0x04};
-
-const char udc_None[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
-const char udc_All[] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
-
+#include "TextLCD_UDC.inc"
+
/** Create a TextLCD_Base interface
*
* @param type Sets the panel size/addressing mode (default = LCD16x2)
@@ -617,6 +525,50 @@
// Note5: See datasheet, members of the PCF21XX family support different numbers of rows/columns. Not all can support 3 or 4 rows.
// Note6: See datasheet, the PCF21XX-C and PCF21XX-K use a non-standard character set. This may result is strange looking text when not corrected..
+ case PCF2103_3V3:
+ // PCF2103 controller: No Voltage generator for VLCD, VDD=3V3..5V, VLCD input controls contrast voltage.
+ // Initialise Display configuration
+ switch (_type) {
+ case LCD24x1:
+ _function = 0x00; //FUNCTION SET 0 0 1 DL=0 4-bit, 0, M=0 1-line/24 chars display mode, 0, H=0
+ //Note: 4 bit mode is ignored for I2C mode
+ break;
+
+// case LCD12x1D: //Special mode for PCF21XX, Only top line used
+ case LCD12x2:
+ _function = 0x04; //FUNCTION SET 0 0 1 DL=0 4-bit, 0, M=1 2-line/12 chars display mode, 0, H=0
+ //Note: 4 bit mode is ignored for I2C mode
+ break;
+
+ default:
+ error("Error: LCD Controller type does not support this Display type\n\r");
+ break;
+
+ } // switch type
+
+ _writeCommand(0x20 | _function | 0x01); // Set function, Select Instr Set = 1
+ wait_ms(10); // Wait 10ms to ensure powered up
+
+// Note: Display from GA628 shows 12 chars. This is actually the right half of a 24x1 display. The commons have been connected in reverse order.
+ _writeCommand(0x05); // Display Conf Set 0000 0, 1, P=0, Q=1 (Instr. Set 1)
+
+ _writeCommand(0x02); // Screen Config 0000 001, L=0 (Instr. Set 1)
+ _writeCommand(0x08); // ICON Conf 0000 1, IM=0 (Char mode), IB=0 (no Icon blink), 0 (Instr. Set 1)
+
+ _writeCommand(0x20 | _function); // Set function, Select Instr Set = 0
+
+ // Select CG RAM
+ _writeCommand(0x40); //Set CG-RAM address, 8 sequential locations needed per UDC
+ // Store UDC/Icon pattern:
+ // 3 x 8 rows x 5 bits = 120 bits for Normal pattern (UDC 0..2) and
+ // 3 x 8 rows x 5 bits = 120 bits for Blink pattern (UDC 4..6)
+ for (int i=0; i<(8 * 8); i++) {
+// _writeData(0x1F); // All On
+ _writeData(0x00); // All Off
+ }
+
+ break; // case PCF2103_3V3 Controller
+
case PCF2113_3V3:
// PCF2113 controller: Initialise Voltage booster for VLCD. VDD=3V3. VA and VB control contrast.
// Initialise Display configuration
@@ -629,7 +581,6 @@
// Note: 4 bit mode is ignored for I2C mode
break;
-//Tested OK for PCF2113
case LCD12x2:
_function = 0x04; // FUNCTION SET 0 0 1 DL=0 4 bit, 0, M=1 2-line/12 chars display mode, SL=0, IS=0
break;
@@ -673,7 +624,7 @@
// case LCD12x1:
// case LCD12x2:
case LCD24x1:
- _writeCommand(0x22); //FUNCTION SET 4 bit, N/M=0 1-line/24 chars display mode, G=1 Vgen on
+ _writeCommand(0x22); //FUNCTION SET 0 0 1 DL=0 4-bit, N=0/M=0 1-line/24 chars display mode, G=1 Vgen on, 0
//Note: 4 bit mode is ignored for I2C mode
wait_ms(10); // Wait 10ms to ensure powered up
break;
@@ -681,13 +632,13 @@
case LCD12x3D: // Special mode for KS0078 and PCF21XX
case LCD12x3D1: // Special mode for PCF21XX
case LCD12x4D: // Special mode for PCF21XX:
- _writeCommand(0x2E); //FUNCTION SET 4 bit, N=1/M=1 4-line/12 chars display mode, G=1 VGen on
+ _writeCommand(0x2E); //FUNCTION SET 0 0 1 DL=0 4-bit, N=1/M=1 4-line/12 chars display mode, G=1 VGen on, 0
//Note: 4 bit mode is ignored for I2C mode
wait_ms(10); // Wait 10ms to ensure powered up
break;
case LCD24x2:
- _writeCommand(0x2A); //FUNCTION SET 4 bit, N=1/M=0 2-line/24 chars display mode, G=1 VGen on
+ _writeCommand(0x2A); //FUNCTION SET 0 0 1 DL=0 4-bit, N=1/M=0 2-line/24 chars display mode, G=1 VGen on, 0
//Note: 4 bit mode is ignored for I2C mode
wait_ms(10); // Wait 10ms to ensure powered up
break;
@@ -710,7 +661,7 @@
// case LCD12x1:
// case LCD12x2:
// case LCD24x1:
-// _writeCommand(0x20); //FUNCTION SET 4 bit, N/M=0 1-line/24 chars display mode
+// _writeCommand(0x20); //FUNCTION SET 0 0 1 DL=0 4-bit, N=0/M=0 1-line/24 chars display mode, G=0 no Vgen, 0
//Note: 4 bit mode is ignored for I2C mode
// wait_ms(10); // Wait 10ms to ensure powered up
// break;
@@ -720,7 +671,7 @@
case LCD12x4D: // Special mode for PCF21XX:
// _writeCommand(0x34); //FUNCTION SET 8 bit, N=0/M=1 4-line/12 chars display mode OK
// _writeCommand(0x24); //FUNCTION SET 4 bit, N=0/M=1 4-line/12 chars display mode OK
- _writeCommand(0x2C); //FUNCTION SET 4 bit, N=1/M=1 4-line/12 chars display mode OK
+ _writeCommand(0x2C); //FUNCTION SET 0 0 1 DL=0 4-bit, N=1/M=1 4-line/12 chars display mode, G=0 no Vgen, 0 OK
//Note: 4 bit mode is ignored for I2C mode
wait_ms(10); // Wait 10ms to ensure powered up
break;
@@ -752,20 +703,20 @@
case LCD8x1:
// case LCD12x1:
case LCD16x1:
- _function = 0x02; // FUNCTION SET DL=0 4 bit, 0 , M=0 1-line/16 chars display mode, SL=1
+ _function = 0x02; // FUNCTION SET 0 0 1 DL=0 4-bit, 0 , M=0 1-line/16 chars display mode, SL=1
// Note: 4 bit mode is ignored for I2C mode
break;
case LCD24x1:
// case LCD32x1:
- _function = 0x00; // FUNCTION SET DL=0 4 bit, 0 , M=0 1-line/32 chars display mode, SL=0
+ _function = 0x00; // FUNCTION SET 0 0 1 DL=0 4-bit, 0 , M=0 1-line/32 chars display mode, SL=0
// Note: 4 bit mode is ignored for I2C mode
break;
case LCD8x2:
// case LCD12x2:
case LCD16x2:
- _function = 0x04; // FUNCTION SET DL=0 4 bit, 0, M=1 2-line/16 chars display mode, SL=0
+ _function = 0x04; // FUNCTION SET 0 0 1 DL=0 4-bit, 0, M=1 2-line/16 chars display mode, SL=0
// Note: 4 bit mode is ignored for I2C mode
break;
@@ -958,6 +909,7 @@
} // switch type
+ _writeCommand(0x00); // NOP, make sure to sync SPI
// init special features
_writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV
@@ -978,7 +930,7 @@
_writeCommand(0x08 | _lines); // Set ext function 0 0 0 0 1 FW BW NW 1,2,3 or 4 lines (Ext Instr Set)
-// _writeCommand(0x1C); // Double Height and Bias, 0 0 0 1 UD2=1, UD1=1, X, DH=0 (Ext Instr Set)
+// _writeCommand(0x1C); // Double Height, 0 0 0 1 UD2=1, UD1=1, X, DH'=0 (Ext Instr Set)
// // Default
_writeCommand(0x72); // Function Select B: 0 1 1 1 0 0 1 0 (Ext Instr Set)
@@ -1019,12 +971,56 @@
// Select Ext Instr Set, IS=1
_writeCommand(0x10); // Shift/Scroll enable, 0 0 0 1 DS4/HS4 DS3/HS3 DS2/HS2 DS1/HS1 (Ext Instr Set, IS=1)
-
_writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0
- // Select Std Instr set, Select IS=0
-
+ // Select Std Instr set, Select IS=0
break; // case US2066/SSD1311 Controller
+ //not yet tested on hardware
+ case PT6314 :
+ // Initialise Display configuration
+ switch (_type) {
+ case LCD8x1: //8x1 is a regular 1 line display
+ case LCD8x2B: //8x2B is a special case of 16x1
+// case LCD12x1:
+ case LCD16x1:
+ case LCD20x1:
+ case LCD24x1:
+ _function = 0x00; // Function set 001 DL N X BR1 BR0
+ // DL=0 (4 bits bus)
+ // Note: 4 bit mode is ignored for native SPI and I2C devices
+ // N=0 (1 line)
+ // X
+ // BR1=0 (2 significant bits for brightness
+ // BR0=0
+ // 0x0 = 100%
+ // 0x1 = 75%
+ // 0x2 = 50%
+ // 0x3 = 25%
+
+ break;
+
+ // All other valid LCD types are initialised as 2 Line displays
+ case LCD8x2:
+ case LCD16x2:
+ case LCD20x2:
+ case LCD24x2:
+ _function = 0x08; // Function set 001 DL N X BR1 BR2
+ // DL=0 (4 bits bus)
+ // Note: 4 bit mode is ignored for native SPI and I2C devices
+ // N=1 (2 lines)
+ // X
+ // BR1=0 (2 significant bits for brightness
+ // BR0=0
+ break;
+
+ default:
+ error("Error: LCD Controller type does not support this Display type\n\r");
+ break;
+ } // switch type
+
+ _contrast = LCD_PT63_CONTRAST;
+ _writeCommand(0x20 | _function | ((~_contrast) >> 4)); // Invert and shift to use 2 MSBs
+ break; // case PT6314 Controller (VFD)
default:
// Devices fully compatible to HD44780 that do not use any DC/DC Voltage converters but external VLCD, no icons etc
@@ -1042,7 +1038,6 @@
// DL=0 (4 bits bus)
// N=0 (1 line)
// F=0 (5x7 dots font)
- _writeCommand(0x20 | _function);
break;
case LCD12x3D: // Special mode for KS0078 and PCF21XX
@@ -1064,14 +1059,13 @@
// N=1 (2 lines)
// F=0 (5x7 dots font, only option for 2 line display)
// - (Don't care)
- _writeCommand(0x20 | _function);
break;
} // switch type
+ _writeCommand(0x20 | _function);
break; // case default Controller
- } // switch Controller specific initialisations
-
+ } // switch Controller specific initialisations
// Controller general initialisations
// _writeCommand(0x01); // cls, and set cursor to 0
@@ -1191,6 +1185,33 @@
}
+#if(LCD_PRINTF != 1)
+/** Write a character to the LCD
+ *
+ * @param c The character to write to the display
+ */
+int TextLCD_Base::putc(int c){
+ return _putc(c);
+}
+
+
+/** Write a raw string to the LCD
+ *
+ * @param string text, may be followed by variables to emulate formatting the string.
+ * However, printf formatting is NOT supported and variables will be ignored!
+ */
+int TextLCD_Base::printf(const char* text, ...) {
+
+ while (*text !=0) {
+ _putc(*text);
+ text++;
+ }
+ return 0;
+}
+#endif
+
+
+
// Write a nibble using the 4-bit interface
void TextLCD_Base::_writeNibble(int value) {
@@ -1563,8 +1584,8 @@
/** Set User Defined Characters
*
- * @param unsigned char c The Index of the UDC (0..7)
- * @param char *udc_data The bitpatterns for the UDC (8 bytes of 5 significant bits)
+ * @param unsigned char c The Index of the UDC (0..7) for HD44780 or clones and (0..15) for some more advanced controllers
+ * @param char *udc_data The bitpatterns for the UDC (8 bytes of 5 significant bits for bitpattern and 3 bits for blinkmode (advanced types))
*/
void TextLCD_Base::setUDC(unsigned char c, char *udc_data) {
@@ -1590,11 +1611,15 @@
else {
// Configure primary LCD controller
_setUDC(c, udc_data);
- }
-
+ }
}
+
+#if(0)
/** Low level method to store user defined characters for current controller
+ *
+ * @param unsigned char c The Index of the UDC (0..7) for HD44780 clones
+ * @param char *udc_data The bitpatterns for the UDC (8 bytes of 5 significant bits)
*/
void TextLCD_Base::_setUDC(unsigned char c, char *udc_data) {
@@ -1610,7 +1635,45 @@
int addr = getAddress(_column, _row);
_writeCommand(0x80 | addr);
}
-
+#else
+/** Low level method to store user defined characters for current controller
+ *
+ * @param unsigned char c The Index of the UDC (0..7) for HD44780 clones and (0..15) for some more advanced controllers
+ * @param char *udc_data The bitpatterns for the UDC (8 bytes of 5 significant bits for bitpattern and 3 bits for blinkmode (advanced types))
+ */
+void TextLCD_Base::_setUDC(unsigned char c, char *udc_data) {
+
+ switch (_ctrl) {
+ case PCF2103_3V3 : // Some UDCs may be used for Icons
+ 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
+ c = c & 0x0F; // mask down to valid range
+ break;
+
+ default:
+ c = c & 0x07; // mask down to valid range
+ break;
+ } //switch _ctrl
+
+ // Select DD RAM for current LCD controller
+ // This is needed to correctly set Bit 6 of the addresspointer for controllers that support 16 UDCs
+ _writeCommand(0x80 | ((c << 3) & 0x40)) ;
+
+ // Select CG RAM for current LCD controller
+ _writeCommand(0x40 | ((c << 3) & 0x3F)); //Set CG-RAM address, (note that Bit 6 is retained and can not be set by this command !)
+ //8 sequential locations needed per UDC
+ // Store UDC pattern
+ for (int i=0; i<8; i++) {
+ _writeData(*udc_data++);
+ }
+
+ //Select DD RAM again for current LCD controller and restore the addresspointer
+ int addr = getAddress(_column, _row);
+ _writeCommand(0x80 | addr);
+}
+#endif
/** Set UDC Blink
* setUDCBlink method is supported by some compatible devices (eg SSD1803)
@@ -1748,8 +1811,7 @@
// Select Std Instr set, Select IS=0
break;
- #if(0)
- //not yet tested
+ //not yet tested on hardware
case PT6314 :
// Only 2 significant bits
// 0x00 = 100%
@@ -1758,7 +1820,6 @@
// 0x03 = 25%
_writeCommand(0x20 | _function | ((~_contrast) >> 4)); // Invert and shift to use 2 MSBs
break;
- #endif
default:
//Unsupported feature for other controllers
@@ -1852,6 +1913,15 @@
case Top:
switch (_ctrl) {
+ case PCF2103_3V3:
+ case PCF2116_3V3:
+ case PCF2116_5V:
+ case PCF2119_3V3:
+ _writeCommand(0x20 | _function | 0x01); // Set function, Select Instr Set = 1
+ _writeCommand(0x05); // Display Conf Set 0000 0, 1, P=0, Q=1 (Instr. Set 1)
+ _writeCommand(0x20 | _function); // Set function, Select Instr Set = 0
+ break;
+
case SSD1803_3V3 :
// case SSD1803_5V :
case US2066_3V3 :
@@ -1873,6 +1943,15 @@
case Bottom:
switch (_ctrl) {
+ case PCF2103_3V3:
+ case PCF2116_3V3:
+ case PCF2116_5V:
+ case PCF2119_3V3:
+ _writeCommand(0x20 | _function | 0x01); // Set function, Select Instr Set = 1
+ _writeCommand(0x06); // Display Conf Set 0000 0, 1, P=1, Q=0 (Instr. Set 1)
+ _writeCommand(0x20 | _function); // Set function, Select Instr Set = 0
+ break;
+
case SSD1803_3V3 :
// case SSD1803_5V :
case US2066_3V3 :
@@ -1896,6 +1975,121 @@
} // end setOrient()
+/** Set Big Font
+ * setBigFont method is supported by some compatible devices (eg SSD1803, US2066)
+ *
+ * @param lines The selected Big Font lines (None, TopLine, CenterLine, BottomLine, TopBottomLine)
+ * Double height characters can be shown on lines 1+2, 2+3, 3+4 or 1+2 and 3+4
+ * Valid double height lines depend on the LCDs number of rows.
+ */
+void TextLCD_Base::setBigFont(LCDBigFont lines) {
+
+ switch (lines) {
+ case None:
+ switch (_ctrl) {
+ case SSD1803_3V3 :
+ case US2066_3V3 :
+ _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV
+ // Select Extended Instruction Set
+ _writeCommand(0x1C); // Double Height, 0 0 0 1 UD2=1, UD1=1, X, DH'=0 (Ext Instr Set)
+ // Default
+ _function = _function & ~0x04; // Set function, 0 0 1 DL N DH=0 RE(0) IS=0 Select Instruction Set 0
+ _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0
+ // Select Std Instr set, Select IS=0
+ break; // end US2066
+
+ default:
+ break; // end default
+ } // end switch _ctrl
+ break; // end None
+
+ case TopLine:
+ if (_nr_rows < 2) return; //Sanity check
+
+ switch (_ctrl) {
+ case SSD1803_3V3 :
+ case US2066_3V3 :
+ _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV
+ // Select Extended Instruction Set
+ _writeCommand(0x1C); // Double Height, 0 0 0 1 UD2=1, UD1=1, X, DH'=0 (Ext Instr Set)
+ // Default
+ _function = _function | 0x04; // Set function, 0 0 1 DL N DH=1 RE(0) IS=0 Select Instruction Set 0
+ _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0
+ // Select Std Instr set, Select IS=0
+ break; // end US2066, SSD1803
+
+ default:
+ break; // end default
+ } // end switch _ctrl
+ break; // end TopLine
+
+ case CenterLine:
+ if (_nr_rows != 4) return; //Sanity check
+
+ switch (_ctrl) {
+ case SSD1803_3V3 :
+ case US2066_3V3 :
+ _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV
+ // Select Extended Instruction Set
+ _writeCommand(0x14); // Double Height, 0 0 0 1 UD2=0, UD1=1, X, DH'=0 (Ext Instr Set)
+ // Default
+ _function = _function | 0x04; // Set function, 0 0 1 DL N DH=1 RE(0) IS=0 Select Instruction Set 0
+ _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0
+ // Select Std Instr set, Select IS=0
+ break; // end US2066, SSD1803
+
+ default:
+ break; // end default
+ } // end switch _ctrl
+ break; // end CenterLine
+
+ case BottomLine:
+ if (_nr_rows < 3) return; //Sanity check
+
+ switch (_ctrl) {
+ case SSD1803_3V3 :
+ case US2066_3V3 :
+ _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV
+ // Select Extended Instruction Set
+ if (_nr_rows == 3) {
+ _writeCommand(0x14); // Double Height, 0 0 0 1 UD2=0, UD1=1, X, DH'=0 (Ext Instr Set)
+ }
+ else {
+ _writeCommand(0x10); // Double Height, 0 0 0 1 UD2=0, UD1=0, X, DH'=0 (Ext Instr Set)
+ }
+ _function = _function | 0x04; // Set function, 0 0 1 DL N DH=1 RE(0) IS=0 Select Instruction Set 0
+ _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0
+ // Select Std Instr set, Select IS=0
+ break; // end US2066, SSD1803
+
+ default:
+ break; // end default
+ } // end switch _ctrl
+ break; // end BottomLine
+
+ case TopBottomLine:
+ if (_nr_rows != 4) return; //Sanity check
+
+ switch (_ctrl) {
+ case SSD1803_3V3 :
+ case US2066_3V3 :
+ _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV
+ // Select Extended Instruction Set
+ _writeCommand(0x18); // Double Height, 0 0 0 1 UD2=1, UD1=0, X, DH'=0 (Ext Instr Set)
+ // Default
+ _function = _function | 0x04; // Set function, 0 0 1 DL N DH=1 RE(0) IS=0 Select Instruction Set 0
+ _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0
+ // Select Std Instr set, Select IS=0
+ break; // end US2066, SSD1803
+
+ default:
+ break; // end default
+ } // end switch _ctrl
+ break; // end TopBottomLine
+
+ } // end switch lines
+
+} // end setBigFont()
//--------- End TextLCD_Base -----------
@@ -2011,12 +2205,12 @@
void TextLCD::_setData(int value) {
_d = value & 0x0F; // Write Databits
}
-
+
//----------- End TextLCD ---------------
//--------- Start TextLCD_I2C -----------
-
+#if(LCD_I2C == 1) /* I2C Expander PCF8574/MCP23008 */
/** Create a TextLCD interface using an I2C PC8574 (or PCF8574A) or MCP23008 portexpander
*
* @param i2c I2C Bus
@@ -2209,11 +2403,12 @@
_i2c->write(_slaveAddress, data, 2);
}
-
+#endif /* I2C Expander PCF8574/MCP23008 */
//---------- End TextLCD_I2C ------------
//--------- Start TextLCD_I2C_N ---------
+#if(LCD_I2C_N == 1) /* Native I2C */
/** Create a TextLCD interface using a controller with native I2C interface
*
@@ -2320,11 +2515,12 @@
_i2c->stop();
#endif
}
-
+#endif /* Native I2C */
//-------- End TextLCD_I2C_N ------------
//--------- Start TextLCD_SPI -----------
+#if(LCD_SPI == 1) /* SPI Expander SN74595 */
/** Create a TextLCD interface using an SPI 74595 portexpander
*
@@ -2472,12 +2668,12 @@
_cs = 0; // Reset CS pin
}
}
-
+#endif /* SPI Expander SN74595 */
//---------- End TextLCD_SPI ------------
//--------- Start TextLCD_SPI_N ---------
-
+#if(LCD_SPI_N == 1) /* Native SPI bus */
/** Create a TextLCD interface using a controller with a native SPI4 interface
*
* @param spi SPI Bus
@@ -2553,15 +2749,13 @@
wait_us(1);
_cs = 1;
}
-
+#endif /* Native SPI bus */
//-------- End TextLCD_SPI_N ------------
-
-#if(1)
-//Code checked out on logic analyser. Not yet tested on hardware..
-
//-------- Start TextLCD_SPI_N_3_9 --------
+#if(LCD_SPI_N_3_9 == 1) /* Native SPI bus */
+//Code checked out on logic analyser. Not yet tested on hardware..
/** Create a TextLCD interface using a controller with a native SPI3 9 bits interface
*
@@ -2579,9 +2773,8 @@
// Init CS
_cs = 1;
- // Setup the spi for 9 bit data, low steady state clock,
+ // Setup the spi for 9 bit data, high steady state clock,
// rising edge capture, with a 500KHz or 1MHz clock rate
-// _spi->format(9,0);
_spi->format(9,3);
_spi->frequency(1000000);
@@ -2627,8 +2820,7 @@
}
else {
_controlbyte = 0x00; // Next byte is command
- }
-
+ }
}
// Set BL pin
@@ -2650,13 +2842,12 @@
wait_us(1);
_cs = 1;
}
-
+#endif /* Native SPI bus */
//------- End TextLCD_SPI_N_3_9 -----------
-#endif
-
-
-#if(1)
+
+
//------- Start TextLCD_SPI_N_3_10 --------
+#if(LCD_SPI_N_3_10 == 1) /* Native SPI bus */
/** Create a TextLCD interface using a controller with a native SPI3 10 bits interface
*
@@ -2722,8 +2913,7 @@
}
else {
_controlbyte = 0x00; // Next byte is command
- }
-
+ }
}
// Set BL pin
@@ -2745,14 +2935,13 @@
wait_us(1);
_cs = 1;
}
-
+#endif /* Native SPI bus */
//------- End TextLCD_SPI_N_3_10 ----------
-#endif
-
-#if(0)
-//Code to be checked out on logic analyser. Not yet tested on hardware..
+
//------- Start TextLCD_SPI_N_3_16 --------
+#if(LCD_SPI_N_3_16 == 1) /* Native SPI bus */
+//Code checked out on logic analyser. Not yet tested on hardware..
/** Create a TextLCD interface using a controller with a native SPI3 16 bits interface
*
@@ -2832,8 +3021,7 @@
// Not used in this mode
void TextLCD_SPI_N_3_16::_setData(int value) {
}
-
-
+
// Write a byte using SPI3 16 bits mode
void TextLCD_SPI_N_3_16::_writeByte(int value) {
_cs = 0;
@@ -2846,12 +3034,12 @@
wait_us(1);
_cs = 1;
}
-
+#endif /* Native SPI bus */
//------- End TextLCD_SPI_N_3_16 ----------
-#endif
-
-#if(1)
+
+
//------- Start TextLCD_SPI_N_3_24 --------
+#if(LCD_SPI_N_3_24 == 1) /* Native SPI bus */
/** Create a TextLCD interface using a controller with a native SPI3 24 bits interface
*
@@ -2869,9 +3057,9 @@
// Init CS
_cs = 1;
- // Setup the spi for 8 bit data, low steady state clock,
+ // Setup the spi for 8 bit data, high steady state clock,
// rising edge capture, with a 500KHz or 1MHz clock rate
- _spi->format(8,0);
+ _spi->format(8,3);
_spi->frequency(1000000);
// The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access.
@@ -2919,8 +3107,7 @@
}
else {
_controlbyte = 0xF8; // Next byte is command
- }
-
+ }
}
// Set BL pin
@@ -2952,6 +3139,5 @@
wait_us(1);
_cs = 1;
}
-
+#endif /* Native SPI bus */
//------- End TextLCD_SPI_N_3_24 ----------
-#endif
\ No newline at end of file