Sai Arunesh V S
/
TextLCD
Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Diff: TextLCD.cpp
- Revision:
- 33:900a94bc7585
- Parent:
- 32:59c4b8f648d4
- Child:
- 34:e5a0dcb43ecc
diff -r 59c4b8f648d4 -r 900a94bc7585 TextLCD.cpp
--- a/TextLCD.cpp Fri Aug 22 19:50:49 2014 +0000
+++ b/TextLCD.cpp Thu Aug 28 15:44:08 2014 +0000
@@ -12,6 +12,8 @@
* 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
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
@@ -41,6 +43,21 @@
// 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
@@ -74,9 +91,12 @@
//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[] = {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
@@ -98,6 +118,15 @@
//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};
@@ -150,22 +179,38 @@
void TextLCD_Base::_initCtrl() {
int _bias_lines=0; // Set Bias and lines (Instr Set 1), temporary variable.
int _lines=0; // Set lines (Ext Instr Set), temporary variable.
-// int _function_x=0; // Set ext. function (Ext Instr Set), temporary variable.
this->_setRS(false); // command mode
wait_ms(20); // Wait 20ms to ensure powered up
- // send "Display Settings" 3 times (Only top nibble of 0x30 as we've got 4-bit bus)
- for (int i=0; i<3; i++) {
- _writeNibble(0x3);
- wait_ms(15); // This command takes 1.64ms, so wait for it
- }
- _writeNibble(0x2); // 4-bit mode
+ // The Controller could be in 8 bit mode (power-on reset) or in 4 bit mode (warm reboot) at this point.
+ // Follow this procedure to make sure the Controller enters the correct state. The hardware interface
+ // between the uP and the LCD can only write the 4 most significant bits (Most Significant Nibble, MSN).
+ // In 4 bit mode the LCD expects the MSN first, followed by the LSN.
+ //
+ // Current state: 8 bit mode | 4 bit mode, MSN is next | 4 bit mode, LSN is next
+ //-------------------------------------------------------------------------------------------------
+ _writeNibble(0x3); // set 8 bit mode (MSN) and dummy LSN, | set 8 bit mode (MSN), | set dummy LSN,
+ // remains in 8 bit mode | change to 8 bit mode | remains in 4 bit mode
+ wait_ms(15); //
+
+ _writeNibble(0x3); // set 8 bit mode and dummy LSN, | set 8 bit mode and dummy LSN, | set 8bit mode (MSN),
+ // remains in 8 bit mode | remains in 8 bit mode | remains in 4 bit mode
+ wait_ms(15); //
+
+ _writeNibble(0x3); // set 8 bit mode and dummy LSN, | set 8 bit mode and dummy LSN, | set dummy LSN,
+ // remains in 8 bit mode | remains in 8 bit mode | change to 8 bit mode
+ wait_ms(15); //
+
+ // Controller is now in 8 bit mode
+
+ _writeNibble(0x2); // Change to 4-bit mode (MSN), the LSN is undefined dummy
wait_us(40); // most instructions take 40us
// Display is now in 4-bit mode
- // Note: 4 bit mode is ignored for native SPI and I2C devices
+ // Note: 4/8 bit mode is ignored for most native SPI and I2C devices. They dont use the parallel bus.
+ // However, _writeNibble() method is void anyway for native SPI and I2C devices.
// Device specific initialisations: DC/DC converter to generate VLCD or VLED, number of lines etc
switch (_ctrl) {
@@ -186,7 +231,7 @@
// DH=1 (Disp shift enable, special mode for KS0078)
// REV=0 (Reverse normal, special mode for KS0078)
- _function_1 = 0x04; // Function set 001 DL N RE(1) BE 0 (Ext Regs)
+ _function_1 = 0x04; // Function set 001 DL N RE(1) BE 0 (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 KS0078)
@@ -212,7 +257,7 @@
// DH=1 (Disp shift enable, special mode for KS0078)
// REV=0 (Reverse normal, special mode for KS0078)
- _function_1 = 0x04; // Function set 001 DL N RE(1) BE 0 (Ext Regs)
+ _function_1 = 0x04; // Function set 001 DL N RE(1) BE 0 (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 KS0078)
@@ -222,6 +267,10 @@
_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 KS0078)
break;
+
+ case LCD16x3G: // Special mode for ST7036
+ error("Error: LCD Controller type does not support this Display type\n\r");
+ break;
default:
// All other LCD types are initialised as 2 Line displays (including LCD16x1C and LCD40x4)
@@ -232,7 +281,7 @@
// DH=1 (Disp shift enable, special mode for KS0078)
// REV=0 (Reverse normal, special mode for KS0078)
- _function_1 = 0x0C; // Function set 001 DL N RE(1) BE 0 (Ext Regs)
+ _function_1 = 0x0C; // Function set 001 DL N RE(1) BE 0 (Ext Regs)
// DL=0 (4 bits bus)
// N=1 (1 line mode), N=1 (2 line mode)
// RE=1 (Ena Extended Regs, special mode for KS0078)
@@ -292,6 +341,7 @@
case LCD12x3D: // Special mode for KS0078 and PCF21XX
case LCD12x3D1: // Special mode for KS0078 and PCF21XX
case LCD12x4D: // Special mode for KS0078 and PCF21XX
+ case LCD16x3G: // Special mode for ST7036
case LCD24x4D: // Special mode for KS0078
error("Error: LCD Controller type does not support this Display type\n\r");
break;
@@ -305,9 +355,9 @@
} // switch type
// init special features
- _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N F 0 IS=1 Select Instruction Set = 1
-
- _writeCommand(0x1C); // Internal OSC frequency adjustment Framefreq=183HZ, Bias will be 1/4 (IS=1)
+ _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N F 0 IS=1 Select Instr Set = 1
+
+ _writeCommand(0x1C); // Internal OSC frequency adjustment Framefreq=183HZ, Bias will be 1/4 (Instr Set=1)
_contrast = LCD_ST7032_CONTRAST;
_writeCommand(0x70 | (_contrast & 0x0F)); // Set Contrast Low bits, 0 1 1 1 C3 C2 C1 C0 (IS=1)
@@ -381,7 +431,7 @@
// init special features
- _writeCommand(0x20 | _function | 0x01); // Set function, IS2,IS1 = 01 (Select Instruction Set = 1)
+ _writeCommand(0x20 | _function | 0x01); // Set function, IS2,IS1 = 01 (Select Instr Set = 1)
_writeCommand(0x10 | _bias_lines); // Set Bias and 1,2 or 3 lines (Instr Set 1)
_contrast = LCD_ST7036_CONTRAST;
@@ -427,7 +477,7 @@
// DH=0 Double Height disable
// IS=0
- _function_1 = 0x00; // Set function, 0 0 1 DL N BE RE(1) REV
+ _function_1 = 0x02; // Set function, 0 0 1 DL N BE RE(1) REV
// Saved to allow switch between Instruction sets at later time
// DL=0 4-bit Databus,
// Note: 4 bit mode is ignored for native SPI and I2C devices
@@ -439,9 +489,9 @@
// NW=0 1-Line LCD (N=0)
break;
- case LCD12x3D: // Special mode for KS0078, ST7036 and PCF21XX
+ case LCD12x3D: // Special mode for KS0078 and PCF21XX
// case LCD12x3D1: // Special mode for KS0078 and PCF21XX
- case LCD16x3D: // Special mode for KS0078 and ST7036
+ case LCD16x3D: // Special mode for KS0078
// case LCD16x3D1: // Special mode for SSD1803
// case LCD20x3D: // Special mode for SSD1803
_function = 0x00; // Set function 0 0 1 DL N DH RE(0) IS
@@ -452,7 +502,7 @@
// DH=0 Double Height disable
// IS=0
- _function_1 = 0x00; // Set function, 0 0 1 DL N BE RE(1) REV
+ _function_1 = 0x02; // Set function, 0 0 1 DL N BE RE(1) REV
// Saved to allow switch between Instruction sets at later time
// DL=0 4-bit Databus,
// Note: 4 bit mode is ignored for native SPI and I2C devices
@@ -473,7 +523,7 @@
// DH=0 Double Height disable
// IS=0
- _function_1 = 0x08; // Set function, 0 0 1 DL N BE RE(1) REV
+ _function_1 = 0x0A; // Set function, 0 0 1 DL N BE RE(1) REV
// Saved to allow switch between Instruction sets at later time
// DL=0 4-bit Databus,
// Note: 4 bit mode is ignored for native SPI and I2C devices
@@ -485,6 +535,7 @@
// NW=1 4-Line LCD (N=1)
break;
+ case LCD16x3G: // Special mode for ST7036
case LCD24x4D: // Special mode for KS0078
error("Error: LCD Controller type does not support this Display type\n\r");
break;
@@ -499,7 +550,7 @@
// DH=0 Double Height disable
// IS=0
- _function_1 = 0x08; // Set function, 0 0 1 DL N BE RE(1) REV
+ _function_1 = 0x0A; // Set function, 0 0 1 DL N BE RE(1) REV
// Saved to allow switch between Instruction sets at later time
// DL=0 4-bit Databus,
// Note: 4 bit mode is ignored for native SPI and I2C devices
@@ -514,16 +565,17 @@
// init special features
- _writeCommand(0x20 | _function_1 | 0x02); // Set function, 0 0 1 DL N BE RE(1) REV
+ _writeCommand(0x20 | _function_1); // Set function, 0 0 1 DL N BE RE(1) REV
// Select Extended Instruction Set
+
+ _writeCommand(0x06); // Set ext entry mode, 0 0 0 0 0 1 BDC=1 COM1-32, BDS=0 SEG100-1 "Bottom View" (Ext Instr Set)
+// _writeCommand(0x05); // Set ext entry mode, 0 0 0 0 0 1 BDC=0 COM32-1, BDS=1 SEG1-100 "Top View" (Ext Instr Set)
+ wait_ms(5); // Wait to ensure completion or SSD1803 fails to set Top/Bottom after reset..
+
+ _writeCommand(0x08 | _lines); // Set ext function 0 0 0 0 1 FW BW NW 1,2,3 or 4 lines (Ext Instr Set)
_writeCommand(0x10); // Double Height and Bias, 0 0 0 1 UD2=0, UD1=0, BS1=0 Bias 1/5, DH=0 (Ext Instr Set)
- _writeCommand(0x08 | _lines); // Set ext function 0 0 0 0 1 FW BW NW 1,2,3 or 4 lines (Ext Instr Set)
-
- _writeCommand(0x06); // Set ext entry mode, 0 0 0 0 0 1 BDC=1 COM1-31, BDS=0 SEG100-1 "Bottom View" (Ext Instr Set)
-// _writeCommand(0x04); // Set ext entry mode, 0 0 0 0 0 1 BDC=0 COM31-1, BDS=0 SEG100-1 "Top View" (Ext Instr Set)
-
// _writeCommand(0x76); // Set TC Control, 0 1 1 1 0 1 1 0 (Ext Instr Set)
// _writeData(0x02); // Set TC data, 0 0 0 0 0 TC2,TC1,TC0 = 0 1 0 (Ext Instr Set)
@@ -541,7 +593,7 @@
_writeCommand(0x68 | (LCD_SSD1_RAB & 0x07)); // Set Voltagefollower 0 1 1 0 Don = 1, Ampl ratio Rab2, Rab1, Rab0 = 1 1 0 (Instr Set 1)
wait_ms(10); // Wait 10ms to ensure powered up
- _writeCommand(0x20 | _function_1 | 0x02); // Set function, 0 0 1 DL N BE RE(1) REV
+ _writeCommand(0x20 | _function_1); // Set function, 0 0 1 DL N BE RE(1) REV
// Select Extended Instruction Set 1
_writeCommand(0x10); // Shift/Scroll enable, 0 0 0 1 DS4/HS4 DS3/HS3 DS2/HS2 DS1/HS1 (Ext Instr Set 1)
@@ -570,16 +622,16 @@
// Initialise Display configuration
switch (_type) {
// case LCD12x1:
-// _function = 0x02; // FUNCTION SET DL=0 4 bit, 0, M=0 1-line/12 chars display mode, SL=1
+// _function = 0x02; // FUNCTION SET 0 0 1 DL=0 4 bit, 0, M=0 1-line/12 chars display mode, SL=1, IS=0
// Note: 4 bit mode is ignored for I2C mode
case LCD24x1:
- _function = 0x00; // FUNCTION SET DL=0 4 bit, 0, M=0 1-line/24 chars display mode, SL=0
+ _function = 0x00; // FUNCTION SET 0 0 1 DL=0 4 bit, 0, M=0 1-line/24 chars display mode, SL=0, IS=0
// Note: 4 bit mode is ignored for I2C mode
break;
//Tested OK for PCF2113
case LCD12x2:
- _function = 0x04; // FUNCTION SET DL=0 4 bit, 0, M=1 2-line/12 chars display mode, SL=0
+ _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;
default:
@@ -589,22 +641,22 @@
} // switch type
// Init special features
- _writeCommand(0x20 | _function | 0x01); // Set function, Select Instruction Set = 1
-
- _writeCommand(0x04); // DISP CONF SET (Instr. Set 1) 0000 0, 1, P=0, Q=0
- _writeCommand(0x10); // TEMP CTRL SET (Instr. Set 1) 0001 0, 0, TC1=0, TC2=0
-// _writeCommand(0x42); // HV GEN (Instr. Set 1) 0100 S1=1, S2=0 (2x multiplier)
- _writeCommand(0x40 | (LCD_PCF2_S12 & 0x03)); // HV GEN (Instr. Set 1) 0100 S1=1, S2=0 (2x multiplier)
+ _writeCommand(0x20 | _function | 0x01); // Set function, Select Instr Set = 1
+
+ _writeCommand(0x04); // Display Conf Set 0000 0, 1, P=0, Q=0 (Instr. Set 1)
+ _writeCommand(0x10); // Temp Compensation Set 0001 0, 0, TC1=0, TC2=0 (Instr. Set 1)
+// _writeCommand(0x42); // HV GEN 0100 S1=1, S2=0 (2x multiplier) (Instr. Set 1)
+ _writeCommand(0x40 | (LCD_PCF2_S12 & 0x03)); // HV Gen 0100 S1=1, S2=0 (2x multiplier) (Instr. Set 1)
_contrast = LCD_PCF2_CONTRAST;
- _writeCommand(0x80 | 0x00 | (_contrast & 0x3F)); // VLCD_set (Instr. Set 1) V=0, VA=contrast
- _writeCommand(0x80 | 0x40 | (_contrast & 0x3F)); // VLCD_set (Instr. Set 1) V=1, VB=contrast
+ _writeCommand(0x80 | 0x00 | (_contrast & 0x3F)); // VLCD_set (Instr. Set 1) 1, V=0, VA=contrast
+ _writeCommand(0x80 | 0x40 | (_contrast & 0x3F)); // VLCD_set (Instr. Set 1) 1, V=1, VB=contrast
wait_ms(10); // Wait 10ms to ensure powered up
- _writeCommand(0x02); // SCRN CONF (Instr. Set 1) L=0
- _writeCommand(0x08); // ICON CONF (Instr. Set 1) IM=0 (Char mode) IB=0 (no icon blink) DM=0 (no direct mode)
-
- _writeCommand(0x20 | _function); // Select Instruction Set = 0
+ _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) DM=0 (no direct mode) (Instr. Set 1)
+
+ _writeCommand(0x20 | _function); // Set function, Select Instr Set = 0
break; // case PCF2113_3V3 Controller
@@ -783,6 +835,7 @@
case LCD12x3D: // Special mode for KS0078 and PCF21XX
case LCD12x3D1: // Special mode for PCF21XX
case LCD12x4D: // Special mode for PCF21XX:
+ case LCD16x3G: // Special mode for ST7036
case LCD24x4D: // Special mode for KS0078
error("Error: LCD Controller type does not support this Display type\n\r");
break;
@@ -799,6 +852,179 @@
} // switch type
break; // case WS0010 Controller
+
+
+ case US2066_3V3:
+ // US2066/SSD1311 OLED controller, Initialise for VDD=3V3
+ // Note: supports 1,2, 3 or 4 lines
+// case USS2066_5V:
+ // US2066 controller, VDD=5V
+
+ // Initialise Display configuration
+ switch (_type) {
+ case LCD8x1: //8x1 is a regular 1 line display
+ case LCD8x2B: //8x2D is a special case of 16x1
+// case LCD12x1:
+ case LCD16x1:
+// case LCD20x1:
+ _function = 0x00; // Set function 0 0 1 X N DH RE(0) IS
+ // Saved to allow switch between Instruction sets at later time
+ // DL=X bit is ignored for US2066. Uses hardwired pins instead
+ // N=0 1 Line / 3 Line
+ // DH=0 Double Height disable
+ // IS=0
+
+ _function_1 = 0x02; // Set function, 0 0 1 X N BE RE(1) REV
+ // Saved to allow switch between Instruction sets at later time
+ // DL=X bit is ignored for US2066. Uses hardwired pins instead
+ // N=0 1 Line / 3 Line
+ // BE=0 Blink Enable off, special feature of SSD1803, US2066
+ // REV=0 Reverse off, special feature of SSD1803, US2066
+
+ _lines = 0x00; // Ext function set 0 0 0 0 1 FW BW NW
+ // NW=0 1-Line LCD (N=0)
+ break;
+
+ case LCD16x1C:
+ case LCD8x2:
+ case LCD16x2:
+ case LCD20x2:
+ _function = 0x08; // Set function 0 0 1 X N DH RE(0) IS
+ // Saved to allow switch between Instruction sets at later time
+ // DL=X bit is ignored for US2066. Uses hardwired pins instead
+ // N=1 2 line / 4 Line
+ // DH=0 Double Height disable
+ // IS=0
+
+ _function_1 = 0x0A; // Set function, 0 0 1 X N BE RE(1) REV
+ // Saved to allow switch between Instruction sets at later time
+ // DL=X bit is ignored for US2066. Uses hardwired pins instead
+ // N=1 2 line / 4 Line
+ // BE=0 Blink Enable off, special feature of SSD1803, US2066
+ // REV=0 Reverse off, special feature of SSD1803, US2066
+
+ _lines = 0x00; // Ext function set 0 0 0 0 1 FW BW NW
+ // NW=0 2-Line LCD (N=1)
+ break;
+
+ case LCD12x3D: // Special mode for KS0078 and PCF21XX
+// case LCD12x3D1: // Special mode for KS0078 and PCF21XX
+ case LCD16x3D: // Special mode for KS0078, SSD1803 and US2066
+// case LCD16x3D1: // Special mode for SSD1803, US2066
+// case LCD20x3D: // Special mode for SSD1803, US2066
+ _function = 0x00; // Set function 0 0 1 X N DH RE(0) IS
+ // Saved to allow switch between Instruction sets at later time
+ // DL=X bit is ignored for US2066. Uses hardwired pins instead
+ // N=0 1 Line / 3 Line
+ // DH=0 Double Height disable
+ // IS=0
+
+ _function_1 = 0x02; // Set function, 0 0 1 X N BE RE(1) REV
+ // Saved to allow switch between Instruction sets at later time
+ // DL=X bit is ignored for US2066. Uses hardwired pins instead
+ // N=0 1 Line / 3 Line
+ // BE=0 Blink Enable off, special feature of SSD1803, US2066
+ // REV=0 Reverse off, special feature of SSD1803, US2066
+
+ _lines = 0x00; // Ext function set 0 0 0 0 1 FW BW NW
+ // NW=1 3-Line LCD (N=0)
+ break;
+
+ case LCD20x4D: // Special mode for SSD1803, US2066
+ _function = 0x08; // Set function 0 0 1 X N DH RE(0) IS
+ // Saved to allow switch between Instruction sets at later time
+ // DL=X bit is ignored for US2066. Uses hardwired pins instead
+ // N=1 2 line / 4 Line
+ // DH=0 Double Height disable
+ // IS=0
+
+ _function_1 = 0x0A; // Set function, 0 0 1 DL N BE RE(1) REV
+ // Saved to allow switch between Instruction sets at later time
+ // DL=0 bit is ignored for US2066. Uses hardwired pins instead
+ // N=1 2 line / 4 Line
+ // BE=0 Blink Enable off, special feature of SSD1803, US2066
+ // REV=0 Reverse off, special feature of SSD1803, US2066
+
+ _lines = 0x01; // Ext function set 0 0 0 0 1 FW BW NW
+ // NW=1 4-Line LCD (N=1)
+ break;
+
+// case LCD24x1:
+// case LCD16x3G: // Special mode for ST7036
+// case LCD24x4D: // Special mode for KS0078
+ default:
+ error("Error: LCD Controller type does not support this Display type\n\r");
+ break;
+
+ } // switch type
+
+
+ // init special features
+ _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV
+ // Select Extended Instruction Set
+
+ _writeCommand(0x71); // Function Select A: 0 1 1 1 0 0 0 1 (Ext Instr Set)
+ _writeData(0x00); // Disable Internal VDD
+
+ _writeCommand(0x79); // Function Select OLED: 0 1 1 1 1 0 0 1 (Ext Instr Set)
+
+ _writeCommand(0xD5); // Display Clock Divide Ratio: 1 1 0 1 0 1 0 1 (Ext Instr Set, OLED Instr Set)
+ _writeCommand(0x70); // Display Clock Divide Ratio value: 0 1 1 1 0 0 0 0 (Ext Instr Set, OLED Instr Set)
+
+ _writeCommand(0x78); // Function Disable OLED: 0 1 1 1 1 0 0 0 (Ext Instr Set)
+
+// _writeCommand(0x06); // Set ext entry mode, 0 0 0 0 0 1 BDC=1 COM1-32, BDS=0 SEG100-1 "Bottom View" (Ext Instr Set)
+ _writeCommand(0x05); // Set ext entry mode, 0 0 0 0 0 1 BDC=0 COM32-1, BDS=1 SEG1-100 "Top View" (Ext Instr Set)
+
+ _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)
+// // Default
+
+ _writeCommand(0x72); // Function Select B: 0 1 1 1 0 0 1 0 (Ext Instr Set)
+ _writeData(0x01); // Select ROM A (CGRAM 8, CGROM 248)
+
+ _writeCommand(0x79); // Function Select OLED: 0 1 1 1 1 0 0 1 (Ext Instr Set)
+
+ _writeCommand(0xDA); // Set Segm Pins Config: 1 1 0 1 1 0 1 0 (Ext Instr Set, OLED)
+ _writeCommand(0x10); // Set Segm Pins Config value: Altern Odd/Even, Disable Remap (Ext Instr Set, OLED)
+
+ _writeCommand(0xDC); // Function Select C: 1 1 0 1 1 1 0 0 (Ext Instr Set, OLED)
+// _writeCommand(0x00); // Set internal VSL, GPIO pin HiZ (always read low)
+ _writeCommand(0x80); // Set external VSL, GPIO pin HiZ (always read low)
+
+ _contrast = LCD_US20_CONTRAST;
+ _writeCommand(0x81); // Set Contrast Control: 1 0 0 0 0 0 0 1 (Ext Instr Set, OLED)
+ _writeCommand((_contrast << 2) | 0x03); // Set Contrast Value: 8 bits, use 6 bits for compatibility
+
+ _writeCommand(0xD9); // Set Phase Length: 1 1 0 1 1 0 0 1 (Ext Instr Set, OLED)
+ _writeCommand(0xF1); // Set Phase Length Value:
+
+ _writeCommand(0xDB); // Set VCOMH Deselect Lvl: 1 1 0 1 1 0 1 1 (Ext Instr Set, OLED)
+ _writeCommand(0x30); // Set VCOMH Deselect Value: 0.83 x VCC
+
+ wait_ms(10); // Wait 10ms to ensure powered up
+
+//Test Fade/Blinking. Hard Blink on/off, No fade in/out ??
+// _writeCommand(0x23); // Set (Ext Instr Set, OLED)
+// _writeCommand(0x3F); // Set interval 128 frames
+//End Test Blinking
+
+ _writeCommand(0x78); // Function Disable OLED: 0 1 1 1 1 0 0 0 (Ext Instr Set)
+
+ _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 X N DH RE(0) IS=1 Select Instruction Set 1
+ // Select Std Instr set, Select IS=1
+
+ _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV
+ // 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
+
+ break; // case US2066/SSD1311 Controller
+
default:
// Devices fully compatible to HD44780 that do not use any DC/DC Voltage converters but external VLCD, no icons etc
@@ -822,7 +1048,7 @@
case LCD12x3D: // Special mode for KS0078 and PCF21XX
case LCD12x3D1: // Special mode for KS0078 and PCF21XX
case LCD12x4D: // Special mode for KS0078 and PCF21XX:
- case LCD16x3D: // Special mode for KS0078 and ST7036
+ case LCD16x3D: // Special mode for KS0078
// case LCD16x3D1: // Special mode for KS0078
// case LCD24x3D: // Special mode for KS0078
// case LCD24x3D1: // Special mode for KS0078
@@ -1067,7 +1293,9 @@
case LCD_T_C:
// LCD16x1C is a special layout of LCD8x2
-#if(1)
+ // LCD32x1C is a special layout of LCD16x2
+ // LCD40x1C is a special layout of LCD20x2
+#if(0)
if (column < 8)
return 0x00 + column;
else
@@ -1083,10 +1311,9 @@
// Left in for compatibility with original library
// case LCD16x2B:
// return 0x00 + (row * 40) + column;
-
case LCD_T_D:
- //Alternate addressing mode for 3 and 4 row displays (except 40x4). Used by PCF21XX, KS0078, ST7036, SSD1803
+ //Alternate addressing mode for 3 and 4 row displays (except 40x4). Used by PCF21XX, KS0078, SSD1803
//The 4 available rows start at a hardcoded address.
//Displays top rows when less than four are used.
switch (row) {
@@ -1385,6 +1612,89 @@
}
+/** Set UDC Blink
+ * setUDCBlink method is supported by some compatible devices (eg SSD1803)
+ *
+ * @param blinkMode The Blink mode (BlinkOff, BlinkOn)
+ */
+void TextLCD_Base::setUDCBlink(LCDBlink blinkMode){
+ // 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.
+ // 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
+ //
+ // 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
+
+ switch (blinkMode) {
+ case BlinkOn:
+ // Controllers that support UDC Blink
+ switch (_ctrl) {
+ case KS0078 :
+ _function_1 |= 0x02; // Enable UDC Blink
+ _writeCommand(0x20 | _function_1); // Function set 0 0 1 DL N RE(1) BE 0 (Ext Regs)
+
+ _writeCommand(0x20 | _function); // Function set 0 0 1 DL N RE(0) DH REV (Std Regs)
+ break; // case KS0078 Controller
+
+ case US2066_3V3 :
+ case SSD1803_3V3 :
+ _function_1 |= 0x04; // Enable UDC Blink
+ _writeCommand(0x20 | _function_1); // Set function, 0 0 1 DL N BE RE(1) REV
+ // Select Ext Instr Set
+
+ _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; // case SSD1803, US2066
+
+ default:
+ //Unsupported feature for other controllers
+ break;
+ } //switch _ctrl
+
+ break;
+
+ case BlinkOff:
+ // Controllers that support UDC Blink
+ switch (_ctrl) {
+ case KS0078 :
+ _function_1 &= ~0x02; // Disable UDC Blink
+ _writeCommand(0x20 | _function_1); // Function set 0 0 1 DL N RE(1) BE 0 (Ext Regs)
+
+ _writeCommand(0x20 | _function); // Function set 0 0 1 DL N RE(0) DH REV (Std Regs)
+ break; // case KS0078 Controller
+
+ case US2066_3V3 :
+ case SSD1803_3V3 :
+ _function_1 &= ~0x04; // Disable UDC Blink
+ _writeCommand(0x20 | _function_1); // Set function, 0 0 1 DL N BE RE(1) REV
+ // Select Ext Instr Set
+
+ _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; // case SSD1803, US2066
+
+ default:
+ //Unsupported feature for other controllers
+ break;
+ } //switch _ctrl
+
+ break;
+
+ default:
+ break;
+ } // blinkMode
+
+} // setUDCBlink()
+
+
/** Set Contrast
* setContrast method is supported by some compatible devices (eg ST7032i) that have onboard LCD voltage generation
* Initial code for ST70XX imported from fork by JH1PJL
@@ -1400,8 +1710,7 @@
_contrast = c & 0x3F; // Sanity check
- switch (_ctrl) {
-
+ switch (_ctrl) {
case PCF2113_3V3 :
case PCF2119_3V3 :
if (_contrast < 5) _contrast = 0; // See datasheet. Sanity check for PCF2113/PCF2119
@@ -1424,6 +1733,21 @@
_writeCommand(0x20 | _function); // Select Instruction Set = 0
break;
+ case US2066_3V3 :
+ _writeCommand(0x20 | _function_1); // Set function, 0 0 1 DL N BE RE(1) REV
+ // Select Extended Instruction Set
+
+ _writeCommand(0x79); // Function Select OLED: 0 1 1 1 1 0 0 1 (Ext Instr Set)
+
+ _writeCommand(0x81); // Set Contrast Control: 1 0 0 0 0 0 0 1 (Ext Instr Set, OLED)
+ _writeCommand((_contrast << 2) | 0x03); // Set Contrast Value: 8 bits. Use 6 bits for compatibility
+
+ _writeCommand(0x78); // Function Disable OLED: 0 1 1 1 1 0 0 0 (Ext Instr Set)
+
+ _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;
+
#if(0)
//not yet tested
case PT6314 :
@@ -1438,11 +1762,9 @@
default:
//Unsupported feature for other controllers
- break;
-
- } // end switch
-
-}
+ break;
+ } // end switch
+} // end setContrast()
/** Set Power
@@ -1453,35 +1775,32 @@
*/
//@TODO Add support for 40x4 dual controller
void TextLCD_Base::setPower(bool powerOn) {
- static int _tmp_contrast = LCD_DEF_CONTRAST;
if (powerOn) {
// Switch on
setMode(DispOn);
- // Try to set contrast=0
- _tmp_contrast = _contrast; // Temp. save current contrast
- setContrast(0); // Contrast 0
-
// Controllers that supports specific Power Down mode
switch (_ctrl) {
// case PCF2113_3V3 :
// case PCF2119_3V3 :
// case ST7032_3V3 :
-// case ST7032_5V :
//@todo
-
+// enable Booster Bon
+
+ case WS0010:
+ _writeCommand(0x17); // Char mode, DC/DC on
+ wait_ms(10); // Wait 10ms to ensure powered up
+ break;
+
+ case KS0078:
case SSD1803_3V3 :
// case SSD1803_5V :
- _writeCommand(0x20 | _function_1 | 0x02); // Select Ext Instr Set
- _writeCommand(0x03); // Power Down
+ _writeCommand(0x20 | _function_1); // Select Ext Instr Set
+ _writeCommand(0x02); // Power On
_writeCommand(0x20 | _function); // Select Std Instr Set
break;
-
- case KS0078:
-//@todo
- break;
default:
//Unsupported feature for other controllers
@@ -1492,37 +1811,91 @@
// Switch off
setMode(DispOff);
- // Try to restore contrast
- setContrast(_tmp_contrast); // Contrast
-
// Controllers that support specific Power Down mode
switch (_ctrl) {
// case PCF2113_3V3 :
// case PCF2119_3V3 :
// case ST7032_3V3 :
-// case ST7032_5V :
//@todo
-
+// disable Booster Bon
+
+ case WS0010:
+ _writeCommand(0x13); // Char mode, DC/DC off
+ break;
+
+ case KS0078:
case SSD1803_3V3 :
// case SSD1803_5V :
- _writeCommand(0x20 | _function_1 | 0x02); // Select Ext Instr Set
- _writeCommand(0x02); // Power On
+ _writeCommand(0x20 | _function_1); // Select Ext Instr Set
+ _writeCommand(0x03); // Power Down
_writeCommand(0x20 | _function); // Select Std Instr Set
break;
- case KS0078:
-//@todo
- break;
-
default:
//Unsupported feature for other controllers
break;
} // end switch
-
}
-
-}
+} // end setPower()
+
+
+/** Set Orient
+ * setOrient method is supported by some compatible devices (eg SSD1803, US2066) that have top/bottom view modes
+ *
+ * @param LCDOrient orient Orientation
+ * @return none
+ */
+void TextLCD_Base::setOrient(LCDOrient orient){
+
+ switch (orient) {
+
+ case Top:
+ switch (_ctrl) {
+ case SSD1803_3V3 :
+// case SSD1803_5V :
+ case US2066_3V3 :
+ _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV
+ // Select Extended Instruction Set
+// _writeCommand(0x06); // Set ext entry mode, 0 0 0 0 0 1 BDC=1 COM1-32, BDS=0 SEG100-1 "Bottom View" (Ext Instr Set)
+ _writeCommand(0x05); // Set ext entry mode, 0 0 0 0 0 1 BDC=0 COM32-1, BDS=1 SEG1-100 "Top View" (Ext Instr Set)
+
+ _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;
+
+ default:
+ //Unsupported feature for other controllers
+ break;
+
+ } // end switch _ctrl
+ break; // end Top
+
+ case Bottom:
+ switch (_ctrl) {
+ case SSD1803_3V3 :
+// case SSD1803_5V :
+ case US2066_3V3 :
+ _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV
+ // Select Extended Instruction Set
+ _writeCommand(0x06); // Set ext entry mode, 0 0 0 0 0 1 BDC=1 COM1-32, BDS=0 SEG100-1 "Bottom View" (Ext Instr Set)
+// _writeCommand(0x05); // Set ext entry mode, 0 0 0 0 0 1 BDC=0 COM32-1, BDS=1 SEG1-100 "Top View" (Ext Instr Set)
+
+ _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;
+
+ default:
+ //Unsupported feature for other controllers
+ break;
+
+ } // end switch _ctrl
+
+ break; // end Bottom
+ } // end switch orient
+} // end setOrient()
+
+
//--------- End TextLCD_Base -----------
@@ -1631,7 +2004,6 @@
else {
if (_bl != NULL) {_bl->write(0);} //Reset BL bit
}
-
}
// Place the 4bit data on the databus
@@ -1756,6 +2128,10 @@
// Used for mbed pins, I2C bus expander or SPI shiftregister
void TextLCD_I2C::_setBL(bool value) {
+#if (DFROBOT==1)
+ value = !value; // The DFRobot module uses PNP transistor to drive the Backlight. Reverse logic level.
+#endif
+
if (value) {
_lcd_bus |= D_LCD_BL; // Set BL bit
}
@@ -1850,14 +2226,7 @@
TextLCD_I2C_N::TextLCD_I2C_N(I2C *i2c, char deviceAddress, LCDType type, PinName bl, LCDCtrl ctrl) :
TextLCD_Base(type, ctrl),
-// _i2c(i2c){
- _i2c(i2c), _ps(p20) {
-//Test
- // Init PS
- wait_us(500);
- _ps = 0;
- wait_us(250);
-
+ _i2c(i2c){
_slaveAddress = deviceAddress & 0xFE;
@@ -2205,14 +2574,7 @@
TextLCD_SPI_N_3_9::TextLCD_SPI_N_3_9(SPI *spi, PinName cs, LCDType type, PinName bl, LCDCtrl ctrl) :
TextLCD_Base(type, ctrl),
_spi(spi),
-// _cs(cs) {
-
- _cs(cs), _ps(p20) {
-
- // Init PS
- wait_us(500);
- _ps = 0;
- wait_us(250);
+ _cs(cs) {
// Init CS
_cs = 1;
@@ -2489,8 +2851,6 @@
#endif
#if(1)
-//Code to be checked out on logic analyser. Not yet tested on hardware..
-
//------- Start TextLCD_SPI_N_3_24 --------
/** Create a TextLCD interface using a controller with a native SPI3 24 bits interface