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Dependents: LV_FGSE_Controller_Interface

TextLCD.cpp@35:311be6444a39, 2014-10-10 (annotated)

Committer:: wim
Date:: Fri Oct 10 15:47:56 2014 +0000
Revision:: 35:311be6444a39
Parent:: 34:e5a0dcb43ecc
Child:: 36:9f5f86dfd44a

Added AC780 support, added I2C expander module types, fixed setBacklight() for inverted logic I2C expander modules. Fixed bug in LCD_SPI_N define.

Who changed what in which revision?

User	Revision	Line number	New contents of line
simon	1:ac48b187213c	1	/* mbed TextLCD Library, for a 4-bit LCD based on HD44780
simon	6:e4cb7ddee0d3	2	* Copyright (c) 2007-2010, sford, http://mbed.org
wim	14:0c32b66b14b8	3	* 2013, v01: WH, Added LCD types, fixed LCD address issues, added Cursor and UDCs
wim	14:0c32b66b14b8	4	* 2013, v02: WH, Added I2C and SPI bus interfaces
wim	15:b70ebfffb258	5	* 2013, v03: WH, Added support for LCD40x4 which uses 2 controllers
wim	18:bd65dc10f27f	6	* 2013, v04: WH, Added support for Display On/Off, improved 4bit bootprocess
wim	18:bd65dc10f27f	7	* 2013, v05: WH, Added support for 8x2B, added some UDCs
wim	19:c747b9e2e7b8	8	* 2013, v06: WH, Added support for devices that use internal DC/DC converters
wim	20:e0da005a777f	9	* 2013, v07: WH, Added support for backlight and include portdefinitions for LCD2004 Module from DFROBOT
wim	22:35742ec80c24	10	* 2014, v08: WH, Refactored in Base and Derived Classes to deal with mbed lib change regarding 'NC' defined pins
wim	25:6162b31128c9	11	* 2014, v09: WH/EO, Added Class for Native SPI controllers such as ST7032
wim	26:bd897a001012	12	* 2014, v10: WH, Added Class for Native I2C controllers such as ST7032i, Added support for MCP23008 I2C portexpander, Added support for Adafruit module
wim	30:033048611c01	13	* 2014, v11: WH, Added support for native I2C controllers such as PCF21XX, Improved the _initCtrl() method to deal with differences between all supported controllers
wim	32:59c4b8f648d4	14	* 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)
wim	34:e5a0dcb43ecc	15	* 2014, v13: WH, Added support for controllers US2066/SSD1311 (OLED), added setUDCBlink() method for supported devices (eg SSD1803), fixed issue in setPower()
wim	34:e5a0dcb43ecc	16	* 2014, v14: WH, Added support for PT6314 (VFD), added setOrient() method for supported devices (eg SSD1803, US2066), added Double Height lines for supported devices,
wim	34:e5a0dcb43ecc	17	* added 16 UDCs for supported devices (eg PCF2103), moved UDC defines to TextLCD_UDC file, added TextLCD_Config.h for feature and footprint settings.
wim	35:311be6444a39	18	* 2014, v15: WH, Added AC780 support, added I2C expander modules, fixed setBacklight() for inverted logic modules. Fixed bug in LCD_SPI_N define
simon	1:ac48b187213c	19	*
simon	1:ac48b187213c	20	* Permission is hereby granted, free of charge, to any person obtaining a copy
simon	1:ac48b187213c	21	* of this software and associated documentation files (the "Software"), to deal
simon	1:ac48b187213c	22	* in the Software without restriction, including without limitation the rights
simon	1:ac48b187213c	23	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
simon	1:ac48b187213c	24	* copies of the Software, and to permit persons to whom the Software is
simon	1:ac48b187213c	25	* furnished to do so, subject to the following conditions:
simon	1:ac48b187213c	26	*
simon	1:ac48b187213c	27	* The above copyright notice and this permission notice shall be included in
simon	1:ac48b187213c	28	* all copies or substantial portions of the Software.
simon	1:ac48b187213c	29	*
simon	1:ac48b187213c	30	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
simon	1:ac48b187213c	31	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
simon	1:ac48b187213c	32	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
simon	1:ac48b187213c	33	* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
simon	1:ac48b187213c	34	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
simon	1:ac48b187213c	35	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
simon	1:ac48b187213c	36	* THE SOFTWARE.
simon	1:ac48b187213c	37	*/
wim	34:e5a0dcb43ecc	38	#include "mbed.h"
simon	1:ac48b187213c	39	#include "TextLCD.h"
wim	34:e5a0dcb43ecc	40	#include "TextLCD_UDC.inc"
wim	34:e5a0dcb43ecc	41
wim	21:9eb628d9e164	42	/** Create a TextLCD_Base interface
wim	15:b70ebfffb258	43	*
wim	21:9eb628d9e164	44	* @param type Sets the panel size/addressing mode (default = LCD16x2)
wim	21:9eb628d9e164	45	* @param ctrl LCD controller (default = HD44780)
wim	15:b70ebfffb258	46	*/
wim	21:9eb628d9e164	47	TextLCD_Base::TextLCD_Base(LCDType type, LCDCtrl ctrl) : _type(type), _ctrl(ctrl) {
wim	30:033048611c01	48
wim	30:033048611c01	49	// Extract LCDType data
wim	30:033048611c01	50
wim	30:033048611c01	51	// Columns encoded in b7..b0
wim	30:033048611c01	52	_nr_cols = (_type & 0xFF);
wim	30:033048611c01	53
wim	30:033048611c01	54	// Rows encoded in b15..b8
wim	30:033048611c01	55	_nr_rows = ((_type >> 8) & 0xFF);
wim	30:033048611c01	56
wim	30:033048611c01	57	// Addressing mode encoded in b19..b16
wim	30:033048611c01	58	_addr_mode = _type & LCD_T_ADR_MSK;
wim	14:0c32b66b14b8	59	}
wim	14:0c32b66b14b8	60
wim	14:0c32b66b14b8	61
wim	21:9eb628d9e164	62	/** Init the LCD Controller(s)
wim	21:9eb628d9e164	63	* Clear display
wim	21:9eb628d9e164	64	*/
wim	21:9eb628d9e164	65	void TextLCD_Base::_init() {
wim	15:b70ebfffb258	66
wim	15:b70ebfffb258	67	// Select and configure second LCD controller when needed
wim	15:b70ebfffb258	68	if(_type==LCD40x4) {
wim	30:033048611c01	69	_ctrl_idx=_LCDCtrl_1; // Select 2nd controller
wim	30:033048611c01	70	_initCtrl(); // Init 2nd controller
wim	15:b70ebfffb258	71	}
wim	15:b70ebfffb258	72
wim	15:b70ebfffb258	73	// Select and configure primary LCD controller
wim	27:22d5086f6ba6	74	_ctrl_idx=_LCDCtrl_0; // Select primary controller
wim	19:c747b9e2e7b8	75	_initCtrl(); // Init primary controller
wim	28:30fa94f7341c	76
wim	32:59c4b8f648d4	77	// Clear whole display and Reset Cursor location
wim	32:59c4b8f648d4	78	// Note: This will make sure that some 3-line displays that skip topline of a 4-line configuration
wim	32:59c4b8f648d4	79	// are cleared and init cursor correctly.
wim	32:59c4b8f648d4	80	cls();
wim	15:b70ebfffb258	81	}
wim	15:b70ebfffb258	82
wim	21:9eb628d9e164	83	/** Init the LCD controller
wim	21:9eb628d9e164	84	* 4-bit mode, number of lines, fonttype, no cursor etc
wim	30:033048611c01	85	*
wim	30:033048611c01	86	* Note: some configurations are commented out because they have not yet been tested due to lack of hardware
wim	21:9eb628d9e164	87	*/
wim	21:9eb628d9e164	88	void TextLCD_Base::_initCtrl() {
wim	32:59c4b8f648d4	89	int _bias_lines=0; // Set Bias and lines (Instr Set 1), temporary variable.
wim	32:59c4b8f648d4	90	int _lines=0; // Set lines (Ext Instr Set), temporary variable.
wim	32:59c4b8f648d4	91
wim	26:bd897a001012	92	this->_setRS(false); // command mode
wim	13:24506ba22480	93
wim	26:bd897a001012	94	wait_ms(20); // Wait 20ms to ensure powered up
simon	1:ac48b187213c	95
wim	33:900a94bc7585	96	// The Controller could be in 8 bit mode (power-on reset) or in 4 bit mode (warm reboot) at this point.
wim	33:900a94bc7585	97	// Follow this procedure to make sure the Controller enters the correct state. The hardware interface
wim	33:900a94bc7585	98	// between the uP and the LCD can only write the 4 most significant bits (Most Significant Nibble, MSN).
wim	33:900a94bc7585	99	// In 4 bit mode the LCD expects the MSN first, followed by the LSN.
wim	33:900a94bc7585	100	//
wim	33:900a94bc7585	101	// Current state: 8 bit mode \| 4 bit mode, MSN is next \| 4 bit mode, LSN is next
wim	33:900a94bc7585	102	//-------------------------------------------------------------------------------------------------
wim	33:900a94bc7585	103	_writeNibble(0x3); // set 8 bit mode (MSN) and dummy LSN, \| set 8 bit mode (MSN), \| set dummy LSN,
wim	33:900a94bc7585	104	// remains in 8 bit mode \| change to 8 bit mode \| remains in 4 bit mode
wim	33:900a94bc7585	105	wait_ms(15); //
wim	33:900a94bc7585	106
wim	33:900a94bc7585	107	_writeNibble(0x3); // set 8 bit mode and dummy LSN, \| set 8 bit mode and dummy LSN, \| set 8bit mode (MSN),
wim	33:900a94bc7585	108	// remains in 8 bit mode \| remains in 8 bit mode \| remains in 4 bit mode
wim	33:900a94bc7585	109	wait_ms(15); //
wim	33:900a94bc7585	110
wim	33:900a94bc7585	111	_writeNibble(0x3); // set 8 bit mode and dummy LSN, \| set 8 bit mode and dummy LSN, \| set dummy LSN,
wim	33:900a94bc7585	112	// remains in 8 bit mode \| remains in 8 bit mode \| change to 8 bit mode
wim	33:900a94bc7585	113	wait_ms(15); //
wim	33:900a94bc7585	114
wim	33:900a94bc7585	115	// Controller is now in 8 bit mode
wim	33:900a94bc7585	116
wim	33:900a94bc7585	117	_writeNibble(0x2); // Change to 4-bit mode (MSN), the LSN is undefined dummy
wim	17:652ab113bc2e	118	wait_us(40); // most instructions take 40us
wim	18:bd65dc10f27f	119
wim	18:bd65dc10f27f	120	// Display is now in 4-bit mode
wim	33:900a94bc7585	121	// Note: 4/8 bit mode is ignored for most native SPI and I2C devices. They dont use the parallel bus.
wim	33:900a94bc7585	122	// However, _writeNibble() method is void anyway for native SPI and I2C devices.
wim	25:6162b31128c9	123
wim	29:a3663151aa65	124	// Device specific initialisations: DC/DC converter to generate VLCD or VLED, number of lines etc
wim	19:c747b9e2e7b8	125	switch (_ctrl) {
wim	32:59c4b8f648d4	126
wim	29:a3663151aa65	127	case KS0078:
wim	29:a3663151aa65	128	// Initialise Display configuration
wim	29:a3663151aa65	129	switch (_type) {
wim	29:a3663151aa65	130	case LCD8x1: //8x1 is a regular 1 line display
wim	29:a3663151aa65	131	case LCD8x2B: //8x2B is a special case of 16x1
wim	29:a3663151aa65	132	// case LCD12x1:
wim	29:a3663151aa65	133	case LCD16x1:
wim	30:033048611c01	134	// case LCD20x1:
wim	29:a3663151aa65	135	case LCD24x1:
wim	32:59c4b8f648d4	136	_function = 0x02; // Function set 001 DL N RE(0) DH REV (Std Regs)
wim	32:59c4b8f648d4	137	// DL=0 (4 bits bus)
wim	32:59c4b8f648d4	138	// N=0 (1 line mode), N=1 (2 line mode)
wim	32:59c4b8f648d4	139	// RE=0 (Dis. Extended Regs, special mode for KS0078)
wim	32:59c4b8f648d4	140	// DH=1 (Disp shift enable, special mode for KS0078)
wim	32:59c4b8f648d4	141	// REV=0 (Reverse normal, special mode for KS0078)
wim	32:59c4b8f648d4	142
wim	33:900a94bc7585	143	_function_1 = 0x04; // Function set 001 DL N RE(1) BE 0 (Ext Regs)
wim	32:59c4b8f648d4	144	// DL=0 (4 bits bus)
wim	32:59c4b8f648d4	145	// N=0 (1 line mode), N=1 (2 line mode)
wim	32:59c4b8f648d4	146	// RE=1 (Ena Extended Regs, special mode for KS0078)
wim	32:59c4b8f648d4	147	// BE=0 (Blink Enable, CG/SEG RAM, special mode for KS0078)
wim	32:59c4b8f648d4	148	// 0
wim	30:033048611c01	149
wim	32:59c4b8f648d4	150	_function_x = 0x00; // Ext Function set 0000 1 FW BW NW (Ext Regs)
wim	32:59c4b8f648d4	151	// NW=0 (1,2 line), NW=1 (4 Line, special mode for KS0078)
wim	29:a3663151aa65	152	break;
wim	29:a3663151aa65	153
wim	32:59c4b8f648d4	154	// case LCD12x3D: // Special mode for KS0078 and PCF21XX
wim	32:59c4b8f648d4	155	// case LCD12x3D1: // Special mode for KS0078 and PCF21XX
wim	32:59c4b8f648d4	156	// case LCD12x4D: // Special mode for KS0078 and PCF21XX
wim	32:59c4b8f648d4	157	// case LCD16x3D: // Special mode for KS0078
wim	32:59c4b8f648d4	158	// case LCD16x4D: // Special mode for KS0078
wim	30:033048611c01	159	// case LCD24x3D: // Special mode for KS0078
wim	30:033048611c01	160	// case LCD24x3D1: // Special mode for KS0078
wim	30:033048611c01	161	case LCD24x4D: // Special mode for KS0078
wim	32:59c4b8f648d4	162	_function = 0x02; // Function set 001 DL N RE(0) DH REV (Std Regs)
wim	32:59c4b8f648d4	163	// DL=0 (4 bits bus)
wim	32:59c4b8f648d4	164	// N=0 (dont care for 4 line mode)
wim	32:59c4b8f648d4	165	// RE=0 (Dis. Extended Regs, special mode for KS0078)
wim	32:59c4b8f648d4	166	// DH=1 (Disp shift enable, special mode for KS0078)
wim	32:59c4b8f648d4	167	// REV=0 (Reverse normal, special mode for KS0078)
wim	32:59c4b8f648d4	168
wim	33:900a94bc7585	169	_function_1 = 0x04; // Function set 001 DL N RE(1) BE 0 (Ext Regs)
wim	32:59c4b8f648d4	170	// DL=0 (4 bits bus)
wim	32:59c4b8f648d4	171	// N=0 (1 line mode), N=1 (2 line mode)
wim	32:59c4b8f648d4	172	// RE=1 (Ena Extended Regs, special mode for KS0078)
wim	32:59c4b8f648d4	173	// BE=0 (Blink Enable, CG/SEG RAM, special mode for KS0078)
wim	32:59c4b8f648d4	174	// 0
wim	29:a3663151aa65	175
wim	32:59c4b8f648d4	176	_function_x = 0x01; // Ext Function set 0000 1 FW BW NW (Ext Regs)
wim	32:59c4b8f648d4	177	// NW=0 (1,2 line), NW=1 (4 Line, special mode for KS0078)
wim	30:033048611c01	178	break;
wim	33:900a94bc7585	179
wim	33:900a94bc7585	180	case LCD16x3G: // Special mode for ST7036
wim	33:900a94bc7585	181	error("Error: LCD Controller type does not support this Display type\n\r");
wim	33:900a94bc7585	182	break;
wim	30:033048611c01	183
wim	29:a3663151aa65	184	default:
wim	30:033048611c01	185	// All other LCD types are initialised as 2 Line displays (including LCD16x1C and LCD40x4)
wim	32:59c4b8f648d4	186	_function = 0x0A; // Function set 001 DL N RE(0) DH REV (Std Regs)
wim	32:59c4b8f648d4	187	// DL=0 (4 bits bus)
wim	32:59c4b8f648d4	188	// N=1 (1 line mode), N=1 (2 line mode)
wim	32:59c4b8f648d4	189	// RE=0 (Dis. Extended Regs, special mode for KS0078)
wim	32:59c4b8f648d4	190	// DH=1 (Disp shift enable, special mode for KS0078)
wim	32:59c4b8f648d4	191	// REV=0 (Reverse normal, special mode for KS0078)
wim	32:59c4b8f648d4	192
wim	33:900a94bc7585	193	_function_1 = 0x0C; // Function set 001 DL N RE(1) BE 0 (Ext Regs)
wim	32:59c4b8f648d4	194	// DL=0 (4 bits bus)
wim	32:59c4b8f648d4	195	// N=1 (1 line mode), N=1 (2 line mode)
wim	32:59c4b8f648d4	196	// RE=1 (Ena Extended Regs, special mode for KS0078)
wim	32:59c4b8f648d4	197	// BE=0 (Blink Enable, CG/SEG RAM, special mode for KS0078)
wim	32:59c4b8f648d4	198	// 0
wim	30:033048611c01	199
wim	32:59c4b8f648d4	200	_function_x = 0x00; // Ext Function set 0000 1 FW BW NW (Ext Regs)
wim	32:59c4b8f648d4	201	// NW=0 (1,2 line), NW=1 (4 Line, special mode for KS0078)
wim	29:a3663151aa65	202	break;
wim	29:a3663151aa65	203	} // switch type
wim	29:a3663151aa65	204
wim	32:59c4b8f648d4	205	// init special features
wim	32:59c4b8f648d4	206	_writeCommand(0x20 \| _function_1);// Function set 001 DL N RE(1) BE 0 (Ext Regs)
wim	32:59c4b8f648d4	207	// DL=0 (4 bits bus), DL=1 (8 bits mode)
wim	32:59c4b8f648d4	208	// N=0 (1 line mode), N=1 (2 line mode)
wim	32:59c4b8f648d4	209	// RE=1 (Ena Extended Regs, special mode for KS0078)
wim	32:59c4b8f648d4	210	// BE=0 (Blink Enable/Disable, CG/SEG RAM, special mode for KS0078)
wim	32:59c4b8f648d4	211	// 0
wim	32:59c4b8f648d4	212
wim	32:59c4b8f648d4	213	_writeCommand(0x08 \| _function_x); // Ext Function set 0000 1 FW BW NW (Ext Regs)
wim	32:59c4b8f648d4	214	// FW=0 (5-dot font, special mode for KS0078)
wim	32:59c4b8f648d4	215	// BW=0 (Cur BW invert disable, special mode for KS0078)
wim	32:59c4b8f648d4	216	// NW=0 (1,2 Line), NW=1 (4 line, special mode for KS0078)
wim	32:59c4b8f648d4	217
wim	32:59c4b8f648d4	218	_writeCommand(0x10); // Scroll/Shift set 0001 DS/HS4 DS/HS3 DS/HS2 DS/HS1 (Ext Regs)
wim	32:59c4b8f648d4	219	// Dotscroll/Display shift enable (Special mode for KS0078)
wim	32:59c4b8f648d4	220
wim	32:59c4b8f648d4	221	_writeCommand(0x80); // Scroll Quantity set 1 0 SQ5 SQ4 SQ3 SQ2 SQ1 SQ0 (Ext Regs)
wim	32:59c4b8f648d4	222	// Scroll quantity (Special mode for KS0078)
wim	32:59c4b8f648d4	223
wim	32:59c4b8f648d4	224	_writeCommand(0x20 \| _function); // Function set 001 DL N RE(0) DH REV (Std Regs)
wim	32:59c4b8f648d4	225	// DL=0 (4 bits bus), DL=1 (8 bits mode)
wim	32:59c4b8f648d4	226	// N=0 (1 line mode), N=1 (2 line mode)
wim	32:59c4b8f648d4	227	// RE=0 (Dis. Extended Regs, special mode for KS0078)
wim	32:59c4b8f648d4	228	// DH=1 (Disp shift enable/disable, special mode for KS0078)
wim	32:59c4b8f648d4	229	// REV=0 (Reverse/Normal, special mode for KS0078)
wim	29:a3663151aa65	230	break; // case KS0078 Controller
wim	29:a3663151aa65	231
wim	26:bd897a001012	232	case ST7032_3V3:
wim	26:bd897a001012	233	// ST7032 controller: Initialise Voltage booster for VLCD. VDD=3V3
wim	26:bd897a001012	234	case ST7032_5V:
wim	32:59c4b8f648d4	235	// ST7032 controller: Disable Voltage booster for VLCD. VDD=5V
wim	29:a3663151aa65	236
wim	29:a3663151aa65	237	// Initialise Display configuration
wim	29:a3663151aa65	238	switch (_type) {
wim	29:a3663151aa65	239	case LCD8x1: //8x1 is a regular 1 line display
wim	29:a3663151aa65	240	case LCD8x2B: //8x2B is a special case of 16x1
wim	29:a3663151aa65	241	// case LCD12x1:
wim	29:a3663151aa65	242	case LCD16x1:
wim	30:033048611c01	243	// case LCD20x1:
wim	32:59c4b8f648d4	244	case LCD24x1:
wim	32:59c4b8f648d4	245	_function = 0x00; // FUNCTION SET 0 0 1 DL=0 (4 bit), N=0 (1-line display mode), F=0 (5*7dot), 0, IS
wim	32:59c4b8f648d4	246	// Note: 4 bit mode is ignored for native SPI and I2C devices
wim	32:59c4b8f648d4	247	// Saved to allow switch between Instruction sets at later time
wim	32:59c4b8f648d4	248	break;
wim	28:30fa94f7341c	249
wim	32:59c4b8f648d4	250	case LCD12x3D: // Special mode for KS0078 and PCF21XX
wim	32:59c4b8f648d4	251	case LCD12x3D1: // Special mode for KS0078 and PCF21XX
wim	32:59c4b8f648d4	252	case LCD12x4D: // Special mode for KS0078 and PCF21XX
wim	33:900a94bc7585	253	case LCD16x3G: // Special mode for ST7036
wim	32:59c4b8f648d4	254	case LCD24x4D: // Special mode for KS0078
wim	32:59c4b8f648d4	255	error("Error: LCD Controller type does not support this Display type\n\r");
wim	30:033048611c01	256	break;
wim	29:a3663151aa65	257
wim	32:59c4b8f648d4	258	default:
wim	32:59c4b8f648d4	259	// All other LCD types are initialised as 2 Line displays
wim	32:59c4b8f648d4	260	_function = 0x08; // FUNCTION SET 0 0 1 DL=0 (4 bit), N=1 (2-line display mode), F=0 (5*7dot), 0, IS
wim	32:59c4b8f648d4	261	// Note: 4 bit mode is ignored for native SPI and I2C devices
wim	32:59c4b8f648d4	262	// Saved to allow switch between Instruction sets at later time
wim	32:59c4b8f648d4	263	break;
wim	32:59c4b8f648d4	264	} // switch type
wim	32:59c4b8f648d4	265
wim	32:59c4b8f648d4	266	// init special features
wim	33:900a94bc7585	267	_writeCommand(0x20 \| _function \| 0x01); // Set function, 0 0 1 DL N F 0 IS=1 Select Instr Set = 1
wim	33:900a94bc7585	268
wim	33:900a94bc7585	269	_writeCommand(0x1C); // Internal OSC frequency adjustment Framefreq=183HZ, Bias will be 1/4 (Instr Set=1)
wim	32:59c4b8f648d4	270
wim	32:59c4b8f648d4	271	_contrast = LCD_ST7032_CONTRAST;
wim	32:59c4b8f648d4	272	_writeCommand(0x70 \| (_contrast & 0x0F)); // Set Contrast Low bits, 0 1 1 1 C3 C2 C1 C0 (IS=1)
wim	32:59c4b8f648d4	273
wim	32:59c4b8f648d4	274
wim	32:59c4b8f648d4	275	if (_ctrl == ST7032_3V3) {
wim	32:59c4b8f648d4	276	_icon_power = 0x04; // Icon display off, Booster circuit is turned on (IS=1)
wim	32:59c4b8f648d4	277	// Saved to allow contrast change at later time
wim	32:59c4b8f648d4	278	}
wim	32:59c4b8f648d4	279	else {
wim	32:59c4b8f648d4	280	_icon_power = 0x00; // Icon display off, Booster circuit is turned off (IS=1)
wim	32:59c4b8f648d4	281	// Saved to allow contrast change at later time
wim	32:59c4b8f648d4	282	}
wim	32:59c4b8f648d4	283	_writeCommand(0x50 \| _icon_power \| ((_contrast >> 4) & 0x03)); // Set Icon, Booster and Contrast High bits, 0 1 0 1 Ion Bon C5 C4 (IS=1)
wim	32:59c4b8f648d4	284	wait_ms(10); // Wait 10ms to ensure powered up
wim	32:59c4b8f648d4	285
wim	32:59c4b8f648d4	286	_writeCommand(0x68 \| (LCD_ST7032_RAB & 0x07)); // Voltage follower, 0 1 1 0 FOn=1, Ampl ratio Rab2=1, Rab1=0, Rab0=0 (IS=1)
wim	32:59c4b8f648d4	287	wait_ms(10); // Wait 10ms to ensure powered up
wim	32:59c4b8f648d4	288
wim	32:59c4b8f648d4	289	_writeCommand(0x20 \| _function); // Select Instruction Set = 0
wim	32:59c4b8f648d4	290
wim	32:59c4b8f648d4	291	break; // case ST7032_3V3 Controller
wim	32:59c4b8f648d4	292	// case ST7032_5V Controller
wim	32:59c4b8f648d4	293
wim	32:59c4b8f648d4	294	case ST7036_3V3:
wim	32:59c4b8f648d4	295	// ST7036 controller: Initialise Voltage booster for VLCD. VDD=3V3
wim	32:59c4b8f648d4	296	// Note: supports 1,2 (LCD_T_A) or 3 lines (LCD_T_G)
wim	32:59c4b8f648d4	297	case ST7036_5V:
wim	32:59c4b8f648d4	298	// ST7036 controller: Disable Voltage booster for VLCD. VDD=5V
wim	32:59c4b8f648d4	299	// Note: supports 1,2 (LCD_T_A) or 3 lines (LCD_T_G)
wim	32:59c4b8f648d4	300
wim	32:59c4b8f648d4	301	// Initialise Display configuration
wim	32:59c4b8f648d4	302	switch (_type) {
wim	32:59c4b8f648d4	303	case LCD8x1: //8x1 is a regular 1 line display
wim	32:59c4b8f648d4	304	case LCD8x2B: //8x2D is a special case of 16x1
wim	32:59c4b8f648d4	305	// case LCD12x1:
wim	32:59c4b8f648d4	306	case LCD16x1:
wim	32:59c4b8f648d4	307	case LCD24x1:
wim	32:59c4b8f648d4	308	_function = 0x00; // Set function, 0 0 1 DL=0 (4-bit Databus), N=0 (1 Line), DH=0 (5x7font), IS2, IS1 (Select Instruction Set)
wim	32:59c4b8f648d4	309	// Note: 4 bit mode is ignored for native SPI and I2C devices
wim	32:59c4b8f648d4	310	// Saved to allow switch between Instruction sets at later time
wim	32:59c4b8f648d4	311
wim	32:59c4b8f648d4	312	_bias_lines = 0x04; // Bias: 1/5, 1 or 2-Lines LCD
wim	32:59c4b8f648d4	313	break;
wim	32:59c4b8f648d4	314
wim	32:59c4b8f648d4	315	// case LCD12x3G: // Special mode for ST7036
wim	32:59c4b8f648d4	316	case LCD16x3G: // Special mode for ST7036
wim	32:59c4b8f648d4	317	_function = 0x08; // Set function, 0 0 1 DL=0 (4-bit Databus), N=1 (2 Line), DH=0 (5x7font), IS2,IS1 (Select Instruction Set)
wim	32:59c4b8f648d4	318	// Note: 4 bit mode is ignored for native SPI and I2C devices
wim	32:59c4b8f648d4	319	// Saved to allow switch between Instruction sets at later time
wim	32:59c4b8f648d4	320
wim	32:59c4b8f648d4	321	_bias_lines = 0x05; // Bias: 1/5, 3-Lines LCD
wim	32:59c4b8f648d4	322	break;
wim	32:59c4b8f648d4	323
wim	32:59c4b8f648d4	324	// case LCD12x3D1: // Special mode for KS0078 and PCF21XX
wim	32:59c4b8f648d4	325	// case LCD16x3D1: // Special mode for SSD1803
wim	30:033048611c01	326	case LCD12x4D: // Special mode for PCF2116
wim	30:033048611c01	327	case LCD24x4D: // Special mode for KS0078
wim	30:033048611c01	328	error("Error: LCD Controller type does not support this Display type\n\r");
wim	29:a3663151aa65	329	break;
wim	28:30fa94f7341c	330
wim	29:a3663151aa65	331	default:
wim	32:59c4b8f648d4	332	// All other LCD types are initialised as 2 Line displays (including LCD16x1C and LCD40x4)
wim	32:59c4b8f648d4	333	_function = 0x08; // Set function, 0 0 1 DL=0 (4-bit Databus), N=1 (2 Line), DH=0 (5x7font), IS2,IS1 (Select Instruction Set)
wim	32:59c4b8f648d4	334	// Note: 4 bit mode is ignored for native SPI and I2C devices
wim	32:59c4b8f648d4	335	// Saved to allow switch between Instruction sets at later time
wim	32:59c4b8f648d4	336
wim	32:59c4b8f648d4	337	_bias_lines = 0x04; // Bias: 1/5, 1 or 2-Lines LCD
wim	32:59c4b8f648d4	338	break;
wim	32:59c4b8f648d4	339	} // switch type
wim	32:59c4b8f648d4	340
wim	29:a3663151aa65	341
wim	32:59c4b8f648d4	342	// init special features
wim	33:900a94bc7585	343	_writeCommand(0x20 \| _function \| 0x01); // Set function, IS2,IS1 = 01 (Select Instr Set = 1)
wim	32:59c4b8f648d4	344	_writeCommand(0x10 \| _bias_lines); // Set Bias and 1,2 or 3 lines (Instr Set 1)
wim	29:a3663151aa65	345
wim	32:59c4b8f648d4	346	_contrast = LCD_ST7036_CONTRAST;
wim	32:59c4b8f648d4	347	_writeCommand(0x70 \| (_contrast & 0x0F)); // Set Contrast, 0 1 1 1 C3 C2 C1 C0 (Instr Set 1)
wim	32:59c4b8f648d4	348
wim	32:59c4b8f648d4	349	if (_ctrl == ST7036_3V3) {
wim	32:59c4b8f648d4	350	_icon_power = 0x04; // Set Icon, Booster, Contrast High bits, 0 1 0 1 Ion=0 Bon=1 C5 C4 (Instr Set 1)
wim	32:59c4b8f648d4	351	// Saved to allow contrast change at later time
wim	32:59c4b8f648d4	352	}
wim	32:59c4b8f648d4	353	else {
wim	32:59c4b8f648d4	354	_icon_power = 0x00; // Set Icon, Booster, Contrast High bits, 0 1 0 1 Ion=0 Bon=0 C5 C4 (Instr Set 1)
wim	32:59c4b8f648d4	355	}
wim	29:a3663151aa65	356
wim	32:59c4b8f648d4	357	_writeCommand(0x50 \| _icon_power \| ((_contrast >> 4) & 0x03)); // Set Contrast C5, C4 (Instr Set 1)
wim	32:59c4b8f648d4	358	wait_ms(10); // Wait 10ms to ensure powered up
wim	32:59c4b8f648d4	359
wim	32:59c4b8f648d4	360	_writeCommand(0x68 \| (LCD_ST7036_RAB & 0x07)); // Voltagefollower On = 1, Ampl ratio Rab2, Rab1, Rab0 = 1 0 1 (Instr Set 1)
wim	32:59c4b8f648d4	361	wait_ms(10); // Wait 10ms to ensure powered up
wim	28:30fa94f7341c	362
wim	32:59c4b8f648d4	363	_writeCommand(0x20 \| _function); // Set function, IS2,IS1 = 00 (Select Instruction Set = 0)
wim	32:59c4b8f648d4	364
wim	32:59c4b8f648d4	365	break; // case ST7036_3V3 Controller
wim	32:59c4b8f648d4	366	// case ST7036_5V Controller
wim	32:59c4b8f648d4	367
wim	32:59c4b8f648d4	368	case SSD1803_3V3:
wim	32:59c4b8f648d4	369	// SSD1803 controller: Initialise Voltage booster for VLCD. VDD=3V3
wim	32:59c4b8f648d4	370	// Note: supports 1,2, 3 or 4 lines
wim	32:59c4b8f648d4	371	// case SSD1803_5V:
wim	32:59c4b8f648d4	372	// SSD1803 controller: No Voltage booster for VLCD. VDD=5V
wim	32:59c4b8f648d4	373
wim	29:a3663151aa65	374	// Initialise Display configuration
wim	29:a3663151aa65	375	switch (_type) {
wim	29:a3663151aa65	376	case LCD8x1: //8x1 is a regular 1 line display
wim	30:033048611c01	377	case LCD8x2B: //8x2D is a special case of 16x1
wim	29:a3663151aa65	378	// case LCD12x1:
wim	29:a3663151aa65	379	case LCD16x1:
wim	29:a3663151aa65	380	case LCD24x1:
wim	32:59c4b8f648d4	381	_function = 0x00; // Set function 0 0 1 DL N DH RE(0) IS
wim	32:59c4b8f648d4	382	// Saved to allow switch between Instruction sets at later time
wim	32:59c4b8f648d4	383	// DL=0 4-bit Databus,
wim	32:59c4b8f648d4	384	// Note: 4 bit mode is ignored for native SPI and I2C devices
wim	32:59c4b8f648d4	385	// N=0 1 Line / 3 Line
wim	32:59c4b8f648d4	386	// DH=0 Double Height disable
wim	32:59c4b8f648d4	387	// IS=0
wim	32:59c4b8f648d4	388
wim	33:900a94bc7585	389	_function_1 = 0x02; // Set function, 0 0 1 DL N BE RE(1) REV
wim	32:59c4b8f648d4	390	// Saved to allow switch between Instruction sets at later time
wim	32:59c4b8f648d4	391	// DL=0 4-bit Databus,
wim	32:59c4b8f648d4	392	// Note: 4 bit mode is ignored for native SPI and I2C devices
wim	32:59c4b8f648d4	393	// N=0 1 Line / 3 Line
wim	32:59c4b8f648d4	394	// BE=0 Blink Enable off, special feature of SSD1803
wim	32:59c4b8f648d4	395	// REV=0 Reverse off, special feature of SSD1803
wim	32:59c4b8f648d4	396
wim	32:59c4b8f648d4	397	_lines = 0x00; // Ext function set 0 0 0 0 1 FW BW NW
wim	32:59c4b8f648d4	398	// NW=0 1-Line LCD (N=0)
wim	29:a3663151aa65	399	break;
wim	32:59c4b8f648d4	400
wim	33:900a94bc7585	401	case LCD12x3D: // Special mode for KS0078 and PCF21XX
wim	32:59c4b8f648d4	402	// case LCD12x3D1: // Special mode for KS0078 and PCF21XX
wim	33:900a94bc7585	403	case LCD16x3D: // Special mode for KS0078
wim	32:59c4b8f648d4	404	// case LCD16x3D1: // Special mode for SSD1803
wim	32:59c4b8f648d4	405	// case LCD20x3D: // Special mode for SSD1803
wim	32:59c4b8f648d4	406	_function = 0x00; // Set function 0 0 1 DL N DH RE(0) IS
wim	32:59c4b8f648d4	407	// Saved to allow switch between Instruction sets at later time
wim	32:59c4b8f648d4	408	// DL=0 4-bit Databus,
wim	32:59c4b8f648d4	409	// Note: 4 bit mode is ignored for native SPI and I2C devices
wim	32:59c4b8f648d4	410	// N=0 1 Line / 3 Line
wim	32:59c4b8f648d4	411	// DH=0 Double Height disable
wim	32:59c4b8f648d4	412	// IS=0
wim	32:59c4b8f648d4	413
wim	33:900a94bc7585	414	_function_1 = 0x02; // Set function, 0 0 1 DL N BE RE(1) REV
wim	32:59c4b8f648d4	415	// Saved to allow switch between Instruction sets at later time
wim	32:59c4b8f648d4	416	// DL=0 4-bit Databus,
wim	32:59c4b8f648d4	417	// Note: 4 bit mode is ignored for native SPI and I2C devices
wim	32:59c4b8f648d4	418	// N=0 1 Line / 3 Line
wim	32:59c4b8f648d4	419	// BE=0 Blink Enable off, special feature of SSD1803
wim	32:59c4b8f648d4	420	// REV=0 Reverse off, special feature of SSD1803
wim	32:59c4b8f648d4	421
wim	32:59c4b8f648d4	422	_lines = 0x00; // Ext function set 0 0 0 0 1 FW BW NW
wim	32:59c4b8f648d4	423	// NW=1 3-Line LCD (N=0)
wim	29:a3663151aa65	424	break;
wim	30:033048611c01	425
wim	32:59c4b8f648d4	426	case LCD20x4D: // Special mode for SSD1803
wim	32:59c4b8f648d4	427	_function = 0x08; // Set function 0 0 1 DL N DH RE(0) IS
wim	32:59c4b8f648d4	428	// Saved to allow switch between Instruction sets at later time
wim	32:59c4b8f648d4	429	// DL=0 4-bit Databus,
wim	32:59c4b8f648d4	430	// Note: 4 bit mode is ignored for native SPI and I2C devices
wim	32:59c4b8f648d4	431	// N=1 4 Line
wim	32:59c4b8f648d4	432	// DH=0 Double Height disable
wim	32:59c4b8f648d4	433	// IS=0
wim	32:59c4b8f648d4	434
wim	33:900a94bc7585	435	_function_1 = 0x0A; // Set function, 0 0 1 DL N BE RE(1) REV
wim	32:59c4b8f648d4	436	// Saved to allow switch between Instruction sets at later time
wim	32:59c4b8f648d4	437	// DL=0 4-bit Databus,
wim	32:59c4b8f648d4	438	// Note: 4 bit mode is ignored for native SPI and I2C devices
wim	32:59c4b8f648d4	439	// N=1 4 Line
wim	32:59c4b8f648d4	440	// BE=0 Blink Enable off, special feature of SSD1803
wim	32:59c4b8f648d4	441	// REV=0 Reverse off, special feature of SSD1803
wim	32:59c4b8f648d4	442
wim	32:59c4b8f648d4	443	_lines = 0x01; // Ext function set 0 0 0 0 1 FW BW NW
wim	32:59c4b8f648d4	444	// NW=1 4-Line LCD (N=1)
wim	32:59c4b8f648d4	445	break;
wim	32:59c4b8f648d4	446
wim	33:900a94bc7585	447	case LCD16x3G: // Special mode for ST7036
wim	32:59c4b8f648d4	448	case LCD24x4D: // Special mode for KS0078
wim	30:033048611c01	449	error("Error: LCD Controller type does not support this Display type\n\r");
wim	30:033048611c01	450	break;
wim	30:033048611c01	451
wim	29:a3663151aa65	452	default:
wim	30:033048611c01	453	// All other LCD types are initialised as 2 Line displays (including LCD16x1C and LCD40x4)
wim	32:59c4b8f648d4	454	_function = 0x08; // Set function 0 0 1 DL N DH RE(0) IS
wim	32:59c4b8f648d4	455	// Saved to allow switch between Instruction sets at later time
wim	32:59c4b8f648d4	456	// DL=0 4-bit Databus,
wim	32:59c4b8f648d4	457	// Note: 4 bit mode is ignored for native SPI and I2C devices
wim	32:59c4b8f648d4	458	// N=1 2 line / 4 Line
wim	32:59c4b8f648d4	459	// DH=0 Double Height disable
wim	32:59c4b8f648d4	460	// IS=0
wim	29:a3663151aa65	461
wim	33:900a94bc7585	462	_function_1 = 0x0A; // Set function, 0 0 1 DL N BE RE(1) REV
wim	32:59c4b8f648d4	463	// Saved to allow switch between Instruction sets at later time
wim	32:59c4b8f648d4	464	// DL=0 4-bit Databus,
wim	32:59c4b8f648d4	465	// Note: 4 bit mode is ignored for native SPI and I2C devices
wim	32:59c4b8f648d4	466	// N=1 2 line / 4 Line
wim	32:59c4b8f648d4	467	// BE=0 Blink Enable off, special feature of SSD1803
wim	32:59c4b8f648d4	468	// REV=0 Reverse off, special feature of SSD1803
wim	32:59c4b8f648d4	469
wim	32:59c4b8f648d4	470	_lines = 0x00; // Ext function set 0 0 0 0 1 FW BW NW
wim	32:59c4b8f648d4	471	// NW=0 2-Line LCD (N=1)
wim	32:59c4b8f648d4	472	break;
wim	32:59c4b8f648d4	473	} // switch type
wim	32:59c4b8f648d4	474
wim	32:59c4b8f648d4	475
wim	32:59c4b8f648d4	476	// init special features
wim	33:900a94bc7585	477	_writeCommand(0x20 \| _function_1); // Set function, 0 0 1 DL N BE RE(1) REV
wim	32:59c4b8f648d4	478	// Select Extended Instruction Set
wim	33:900a94bc7585	479
wim	33:900a94bc7585	480	_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)
wim	33:900a94bc7585	481	// _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)
wim	33:900a94bc7585	482	wait_ms(5); // Wait to ensure completion or SSD1803 fails to set Top/Bottom after reset..
wim	33:900a94bc7585	483
wim	33:900a94bc7585	484	_writeCommand(0x08 \| _lines); // Set ext function 0 0 0 0 1 FW BW NW 1,2,3 or 4 lines (Ext Instr Set)
wim	32:59c4b8f648d4	485
wim	32:59c4b8f648d4	486	_writeCommand(0x10); // Double Height and Bias, 0 0 0 1 UD2=0, UD1=0, BS1=0 Bias 1/5, DH=0 (Ext Instr Set)
wim	32:59c4b8f648d4	487
wim	32:59c4b8f648d4	488	// _writeCommand(0x76); // Set TC Control, 0 1 1 1 0 1 1 0 (Ext Instr Set)
wim	32:59c4b8f648d4	489	// _writeData(0x02); // Set TC data, 0 0 0 0 0 TC2,TC1,TC0 = 0 1 0 (Ext Instr Set)
wim	32:59c4b8f648d4	490
wim	32:59c4b8f648d4	491	_writeCommand(0x20 \| _function \| 0x01); // Set function, 0 0 1 DL N DH RE(0) IS=1 Select Instruction Set 1
wim	32:59c4b8f648d4	492	// Select Std Instr set, Select IS=1
wim	32:59c4b8f648d4	493
wim	32:59c4b8f648d4	494	_contrast = LCD_SSD1_CONTRAST;
wim	32:59c4b8f648d4	495	_writeCommand(0x70 \| (_contrast & 0x0F)); // Set Contrast 0 1 1 1 C3, C2, C1, C0 (Instr Set 1)
wim	32:59c4b8f648d4	496
wim	32:59c4b8f648d4	497	_icon_power = 0x04; // Icon off, Booster on (Instr Set 1)
wim	32:59c4b8f648d4	498	// Saved to allow contrast change at later time
wim	32:59c4b8f648d4	499	_writeCommand(0x50 \| _icon_power \| ((_contrast >> 4) & 0x03)); // Set Power, Icon and Contrast, 0 1 0 1 Ion Bon C5 C4 (Instr Set 1)
wim	32:59c4b8f648d4	500	wait_ms(10); // Wait 10ms to ensure powered up
wim	32:59c4b8f648d4	501
wim	32:59c4b8f648d4	502	_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)
wim	32:59c4b8f648d4	503	wait_ms(10); // Wait 10ms to ensure powered up
wim	32:59c4b8f648d4	504
wim	33:900a94bc7585	505	_writeCommand(0x20 \| _function_1); // Set function, 0 0 1 DL N BE RE(1) REV
wim	32:59c4b8f648d4	506	// Select Extended Instruction Set 1
wim	32:59c4b8f648d4	507	_writeCommand(0x10); // Shift/Scroll enable, 0 0 0 1 DS4/HS4 DS3/HS3 DS2/HS2 DS1/HS1 (Ext Instr Set 1)
wim	32:59c4b8f648d4	508
wim	32:59c4b8f648d4	509
wim	32:59c4b8f648d4	510	_writeCommand(0x20 \| _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0
wim	32:59c4b8f648d4	511	// Select Std Instr set, Select IS=0
wim	32:59c4b8f648d4	512
wim	32:59c4b8f648d4	513	break; // case SSD1803 Controller
wim	32:59c4b8f648d4	514
wim	29:a3663151aa65	515
wim	32:59c4b8f648d4	516	// Note1: The PCF21XX family of controllers has several types that dont have an onboard voltage generator for V-LCD.
wim	32:59c4b8f648d4	517	// You must supply this LCD voltage externally and not try to enable VGen.
wim	32:59c4b8f648d4	518	// Note2: The early versions of PCF2116 controllers (eg PCF2116C) can not generate sufficiently negative voltage for the LCD at a VDD of 3V3.
wim	32:59c4b8f648d4	519	// You must supply this voltage externally and not enable VGen or you must use a higher VDD (e.g. 5V) and enable VGen.
wim	32:59c4b8f648d4	520	// More recent versions of the controller (eg PCF2116K) have an improved VGen that will work with 3V3.
wim	32:59c4b8f648d4	521	// Note3: See datasheet, PCF2116 and other types provide a V0 pin to control the LCD contrast voltage that is provided by VGen. This pins allows
wim	32:59c4b8f648d4	522	// contrast control similar to that of pin 3 on the standard 14pin LCD module connector.
wim	32:59c4b8f648d4	523	// You can disable VGen by connecting Vo to VDD. VLCD will then be used directly as LCD voltage.
wim	32:59c4b8f648d4	524	// Note4: PCF2113 and PCF2119 are different wrt to VLCD generator! There is no V0 pin. The contrast voltage is software controlled by setting the VA and VB registers.
wim	32:59c4b8f648d4	525	// Vgen is automatically switched off when the contrast voltage VA or VB is set to 0x00. Note that certain limits apply to allowed values for VA and VB.
wim	32:59c4b8f648d4	526	// Note5: See datasheet, members of the PCF21XX family support different numbers of rows/columns. Not all can support 3 or 4 rows.
wim	32:59c4b8f648d4	527	// 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..
wim	32:59c4b8f648d4	528
wim	34:e5a0dcb43ecc	529	case PCF2103_3V3:
wim	34:e5a0dcb43ecc	530	// PCF2103 controller: No Voltage generator for VLCD, VDD=3V3..5V, VLCD input controls contrast voltage.
wim	34:e5a0dcb43ecc	531	// Initialise Display configuration
wim	34:e5a0dcb43ecc	532	switch (_type) {
wim	34:e5a0dcb43ecc	533	case LCD24x1:
wim	34:e5a0dcb43ecc	534	_function = 0x00; //FUNCTION SET 0 0 1 DL=0 4-bit, 0, M=0 1-line/24 chars display mode, 0, H=0
wim	34:e5a0dcb43ecc	535	//Note: 4 bit mode is ignored for I2C mode
wim	34:e5a0dcb43ecc	536	break;
wim	34:e5a0dcb43ecc	537
wim	34:e5a0dcb43ecc	538	// case LCD12x1D: //Special mode for PCF21XX, Only top line used
wim	34:e5a0dcb43ecc	539	case LCD12x2:
wim	34:e5a0dcb43ecc	540	_function = 0x04; //FUNCTION SET 0 0 1 DL=0 4-bit, 0, M=1 2-line/12 chars display mode, 0, H=0
wim	34:e5a0dcb43ecc	541	//Note: 4 bit mode is ignored for I2C mode
wim	34:e5a0dcb43ecc	542	break;
wim	34:e5a0dcb43ecc	543
wim	34:e5a0dcb43ecc	544	default:
wim	34:e5a0dcb43ecc	545	error("Error: LCD Controller type does not support this Display type\n\r");
wim	34:e5a0dcb43ecc	546	break;
wim	34:e5a0dcb43ecc	547
wim	34:e5a0dcb43ecc	548	} // switch type
wim	34:e5a0dcb43ecc	549
wim	34:e5a0dcb43ecc	550	_writeCommand(0x20 \| _function \| 0x01); // Set function, Select Instr Set = 1
wim	34:e5a0dcb43ecc	551	wait_ms(10); // Wait 10ms to ensure powered up
wim	34:e5a0dcb43ecc	552
wim	34:e5a0dcb43ecc	553	// 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.
wim	34:e5a0dcb43ecc	554	_writeCommand(0x05); // Display Conf Set 0000 0, 1, P=0, Q=1 (Instr. Set 1)
wim	34:e5a0dcb43ecc	555
wim	34:e5a0dcb43ecc	556	_writeCommand(0x02); // Screen Config 0000 001, L=0 (Instr. Set 1)
wim	34:e5a0dcb43ecc	557	_writeCommand(0x08); // ICON Conf 0000 1, IM=0 (Char mode), IB=0 (no Icon blink), 0 (Instr. Set 1)
wim	34:e5a0dcb43ecc	558
wim	34:e5a0dcb43ecc	559	_writeCommand(0x20 \| _function); // Set function, Select Instr Set = 0
wim	34:e5a0dcb43ecc	560
wim	34:e5a0dcb43ecc	561	// Select CG RAM
wim	34:e5a0dcb43ecc	562	_writeCommand(0x40); //Set CG-RAM address, 8 sequential locations needed per UDC
wim	34:e5a0dcb43ecc	563	// Store UDC/Icon pattern:
wim	34:e5a0dcb43ecc	564	// 3 x 8 rows x 5 bits = 120 bits for Normal pattern (UDC 0..2) and
wim	34:e5a0dcb43ecc	565	// 3 x 8 rows x 5 bits = 120 bits for Blink pattern (UDC 4..6)
wim	34:e5a0dcb43ecc	566	for (int i=0; i<(8 * 8); i++) {
wim	34:e5a0dcb43ecc	567	// _writeData(0x1F); // All On
wim	34:e5a0dcb43ecc	568	_writeData(0x00); // All Off
wim	34:e5a0dcb43ecc	569	}
wim	34:e5a0dcb43ecc	570
wim	34:e5a0dcb43ecc	571	break; // case PCF2103_3V3 Controller
wim	34:e5a0dcb43ecc	572
wim	30:033048611c01	573	case PCF2113_3V3:
wim	32:59c4b8f648d4	574	// PCF2113 controller: Initialise Voltage booster for VLCD. VDD=3V3. VA and VB control contrast.
wim	29:a3663151aa65	575	// Initialise Display configuration
wim	29:a3663151aa65	576	switch (_type) {
wim	29:a3663151aa65	577	// case LCD12x1:
wim	33:900a94bc7585	578	// _function = 0x02; // FUNCTION SET 0 0 1 DL=0 4 bit, 0, M=0 1-line/12 chars display mode, SL=1, IS=0
wim	32:59c4b8f648d4	579	// Note: 4 bit mode is ignored for I2C mode
wim	29:a3663151aa65	580	case LCD24x1:
wim	33:900a94bc7585	581	_function = 0x00; // FUNCTION SET 0 0 1 DL=0 4 bit, 0, M=0 1-line/24 chars display mode, SL=0, IS=0
wim	32:59c4b8f648d4	582	// Note: 4 bit mode is ignored for I2C mode
wim	30:033048611c01	583	break;
wim	30:033048611c01	584
wim	30:033048611c01	585	case LCD12x2:
wim	33:900a94bc7585	586	_function = 0x04; // FUNCTION SET 0 0 1 DL=0 4 bit, 0, M=1 2-line/12 chars display mode, SL=0, IS=0
wim	30:033048611c01	587	break;
wim	30:033048611c01	588
wim	30:033048611c01	589	default:
wim	30:033048611c01	590	error("Error: LCD Controller type does not support this Display type\n\r");
wim	30:033048611c01	591	break;
wim	30:033048611c01	592
wim	30:033048611c01	593	} // switch type
wim	30:033048611c01	594
wim	32:59c4b8f648d4	595	// Init special features
wim	33:900a94bc7585	596	_writeCommand(0x20 \| _function \| 0x01); // Set function, Select Instr Set = 1
wim	33:900a94bc7585	597
wim	33:900a94bc7585	598	_writeCommand(0x04); // Display Conf Set 0000 0, 1, P=0, Q=0 (Instr. Set 1)
wim	33:900a94bc7585	599	_writeCommand(0x10); // Temp Compensation Set 0001 0, 0, TC1=0, TC2=0 (Instr. Set 1)
wim	33:900a94bc7585	600	// _writeCommand(0x42); // HV GEN 0100 S1=1, S2=0 (2x multiplier) (Instr. Set 1)
wim	33:900a94bc7585	601	_writeCommand(0x40 \| (LCD_PCF2_S12 & 0x03)); // HV Gen 0100 S1=1, S2=0 (2x multiplier) (Instr. Set 1)
wim	32:59c4b8f648d4	602
wim	32:59c4b8f648d4	603	_contrast = LCD_PCF2_CONTRAST;
wim	33:900a94bc7585	604	_writeCommand(0x80 \| 0x00 \| (_contrast & 0x3F)); // VLCD_set (Instr. Set 1) 1, V=0, VA=contrast
wim	33:900a94bc7585	605	_writeCommand(0x80 \| 0x40 \| (_contrast & 0x3F)); // VLCD_set (Instr. Set 1) 1, V=1, VB=contrast
wim	32:59c4b8f648d4	606	wait_ms(10); // Wait 10ms to ensure powered up
wim	32:59c4b8f648d4	607
wim	33:900a94bc7585	608	_writeCommand(0x02); // Screen Config 0000 001, L=0 (Instr. Set 1)
wim	33:900a94bc7585	609	_writeCommand(0x08); // ICON Conf 0000 1, IM=0 (Char mode), IB=0 (no icon blink) DM=0 (no direct mode) (Instr. Set 1)
wim	33:900a94bc7585	610
wim	33:900a94bc7585	611	_writeCommand(0x20 \| _function); // Set function, Select Instr Set = 0
wim	32:59c4b8f648d4	612
wim	30:033048611c01	613	break; // case PCF2113_3V3 Controller
wim	30:033048611c01	614
wim	30:033048611c01	615
wim	32:59c4b8f648d4	616	// case PCF2113_5V:
wim	32:59c4b8f648d4	617	// PCF2113 controller: No Voltage generator for VLCD. VDD=5V. Contrast voltage controlled by VA or VB.
wim	32:59c4b8f648d4	618	//@TODO
wim	32:59c4b8f648d4	619
wim	30:033048611c01	620
wim	30:033048611c01	621	case PCF2116_3V3:
wim	32:59c4b8f648d4	622	// PCF2116 controller: Voltage generator for VLCD. VDD=5V. V0 controls contrast voltage.
wim	30:033048611c01	623	// Initialise Display configuration
wim	30:033048611c01	624	switch (_type) {
wim	30:033048611c01	625	// case LCD12x1:
wim	30:033048611c01	626	// case LCD12x2:
wim	30:033048611c01	627	case LCD24x1:
wim	34:e5a0dcb43ecc	628	_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
wim	29:a3663151aa65	629	//Note: 4 bit mode is ignored for I2C mode
wim	29:a3663151aa65	630	wait_ms(10); // Wait 10ms to ensure powered up
wim	29:a3663151aa65	631	break;
wim	29:a3663151aa65	632
wim	32:59c4b8f648d4	633	case LCD12x3D: // Special mode for KS0078 and PCF21XX
wim	32:59c4b8f648d4	634	case LCD12x3D1: // Special mode for PCF21XX
wim	32:59c4b8f648d4	635	case LCD12x4D: // Special mode for PCF21XX:
wim	34:e5a0dcb43ecc	636	_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
wim	29:a3663151aa65	637	//Note: 4 bit mode is ignored for I2C mode
wim	29:a3663151aa65	638	wait_ms(10); // Wait 10ms to ensure powered up
wim	29:a3663151aa65	639	break;
wim	30:033048611c01	640
wim	30:033048611c01	641	case LCD24x2:
wim	34:e5a0dcb43ecc	642	_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
wim	29:a3663151aa65	643	//Note: 4 bit mode is ignored for I2C mode
wim	30:033048611c01	644	wait_ms(10); // Wait 10ms to ensure powered up
wim	32:59c4b8f648d4	645	break;
wim	32:59c4b8f648d4	646
wim	30:033048611c01	647	default:
wim	30:033048611c01	648	error("Error: LCD Controller type does not support this Display type\n\r");
wim	30:033048611c01	649	break;
wim	30:033048611c01	650
wim	29:a3663151aa65	651	} // switch type
wim	29:a3663151aa65	652
wim	30:033048611c01	653	break; // case PCF2116_3V3 Controller
wim	29:a3663151aa65	654
wim	32:59c4b8f648d4	655
wim	32:59c4b8f648d4	656	//Experimental for cellphone 3-line display, SA=0x74, No Ack supported, Character set C or K, DL = 8 bit, N=0,M=1 (reserved mode !!), external VLCD -2V5
wim	32:59c4b8f648d4	657	//@TODO
wim	32:59c4b8f648d4	658	case PCF2116_5V:
wim	32:59c4b8f648d4	659	// PCF2116 controller: No Voltage generator for VLCD. VDD=5V. V0 controls contrast voltage.
wim	32:59c4b8f648d4	660	// Initialise Display configuration
wim	32:59c4b8f648d4	661	switch (_type) {
wim	32:59c4b8f648d4	662	// case LCD12x1:
wim	32:59c4b8f648d4	663	// case LCD12x2:
wim	32:59c4b8f648d4	664	// case LCD24x1:
wim	34:e5a0dcb43ecc	665	// _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
wim	32:59c4b8f648d4	666	//Note: 4 bit mode is ignored for I2C mode
wim	32:59c4b8f648d4	667	// wait_ms(10); // Wait 10ms to ensure powered up
wim	32:59c4b8f648d4	668	// break;
wim	32:59c4b8f648d4	669
wim	32:59c4b8f648d4	670	case LCD12x3D: // Special mode for KS0078 and PCF21XX
wim	32:59c4b8f648d4	671	case LCD12x3D1: // Special mode for PCF21XX
wim	32:59c4b8f648d4	672	case LCD12x4D: // Special mode for PCF21XX:
wim	32:59c4b8f648d4	673	// _writeCommand(0x34); //FUNCTION SET 8 bit, N=0/M=1 4-line/12 chars display mode OK
wim	32:59c4b8f648d4	674	// _writeCommand(0x24); //FUNCTION SET 4 bit, N=0/M=1 4-line/12 chars display mode OK
wim	34:e5a0dcb43ecc	675	_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
wim	32:59c4b8f648d4	676	//Note: 4 bit mode is ignored for I2C mode
wim	32:59c4b8f648d4	677	wait_ms(10); // Wait 10ms to ensure powered up
wim	32:59c4b8f648d4	678	break;
wim	32:59c4b8f648d4	679
wim	32:59c4b8f648d4	680	// case LCD24x2:
wim	32:59c4b8f648d4	681	// _writeCommand(0x28); //FUNCTION SET 4 bit, N=1/M=0 2-line/24 chars display mode
wim	32:59c4b8f648d4	682	//Note: 4 bit mode is ignored for I2C mode
wim	32:59c4b8f648d4	683	// wait_ms(10); // Wait 10ms to ensure powered up
wim	32:59c4b8f648d4	684	// break;
wim	32:59c4b8f648d4	685
wim	32:59c4b8f648d4	686	default:
wim	32:59c4b8f648d4	687	error("Error: LCD Controller type does not support this Display type\n\r");
wim	32:59c4b8f648d4	688	break;
wim	32:59c4b8f648d4	689
wim	32:59c4b8f648d4	690	} // switch type
wim	32:59c4b8f648d4	691
wim	32:59c4b8f648d4	692	break; // case PCF2116_5V Controller
wim	32:59c4b8f648d4	693
wim	32:59c4b8f648d4	694	case PCF2119_3V3:
wim	32:59c4b8f648d4	695	// PCF2119 controller: Initialise Voltage booster for VLCD. VDD=3V3. VA and VB control contrast.
wim	32:59c4b8f648d4	696	// Note1: See datasheet, the PCF2119 supports icons and provides separate constrast control for Icons and characters.
wim	32:59c4b8f648d4	697	// Note2: Vgen is switched off when the contrast voltage VA or VB is set to 0x00.
wim	32:59c4b8f648d4	698
wim	32:59c4b8f648d4	699	//POR or Hardware Reset should be applied
wim	32:59c4b8f648d4	700	wait_ms(10); // Wait 10ms to ensure powered up
wim	32:59c4b8f648d4	701
wim	32:59c4b8f648d4	702	// Initialise Display configuration
wim	32:59c4b8f648d4	703	switch (_type) {
wim	32:59c4b8f648d4	704	case LCD8x1:
wim	32:59c4b8f648d4	705	// case LCD12x1:
wim	32:59c4b8f648d4	706	case LCD16x1:
wim	34:e5a0dcb43ecc	707	_function = 0x02; // FUNCTION SET 0 0 1 DL=0 4-bit, 0 , M=0 1-line/16 chars display mode, SL=1
wim	32:59c4b8f648d4	708	// Note: 4 bit mode is ignored for I2C mode
wim	32:59c4b8f648d4	709	break;
wim	32:59c4b8f648d4	710
wim	32:59c4b8f648d4	711	case LCD24x1:
wim	32:59c4b8f648d4	712	// case LCD32x1:
wim	34:e5a0dcb43ecc	713	_function = 0x00; // FUNCTION SET 0 0 1 DL=0 4-bit, 0 , M=0 1-line/32 chars display mode, SL=0
wim	32:59c4b8f648d4	714	// Note: 4 bit mode is ignored for I2C mode
wim	32:59c4b8f648d4	715	break;
wim	32:59c4b8f648d4	716
wim	32:59c4b8f648d4	717	case LCD8x2:
wim	32:59c4b8f648d4	718	// case LCD12x2:
wim	32:59c4b8f648d4	719	case LCD16x2:
wim	34:e5a0dcb43ecc	720	_function = 0x04; // FUNCTION SET 0 0 1 DL=0 4-bit, 0, M=1 2-line/16 chars display mode, SL=0
wim	32:59c4b8f648d4	721	// Note: 4 bit mode is ignored for I2C mode
wim	32:59c4b8f648d4	722	break;
wim	32:59c4b8f648d4	723
wim	32:59c4b8f648d4	724	default:
wim	32:59c4b8f648d4	725	error("Error: LCD Controller type does not support this Display type\n\r");
wim	32:59c4b8f648d4	726	break;
wim	32:59c4b8f648d4	727
wim	32:59c4b8f648d4	728	} // switch type
wim	32:59c4b8f648d4	729
wim	32:59c4b8f648d4	730	// Init special features
wim	32:59c4b8f648d4	731	_writeCommand(0x20 \| _function \| 0x01); // Set function, Select Instruction Set = 1
wim	32:59c4b8f648d4	732
wim	32:59c4b8f648d4	733	_writeCommand(0x04); // DISP CONF SET (Instr. Set 1) 0000, 0, 1, P=0, Q=0
wim	32:59c4b8f648d4	734	_writeCommand(0x10); // TEMP CTRL SET (Instr. Set 1) 0001, 0, 0, TC1=0, TC2=0
wim	32:59c4b8f648d4	735	// _writeCommand(0x42); // HV GEN (Instr. Set 1) 0100, 0, 0, S1=1, S2=0 (2x multiplier)
wim	32:59c4b8f648d4	736	_writeCommand(0x40 \| (LCD_PCF2_S12 & 0x03)); // HV GEN (Instr. Set 1) 0100, 0, 0, S1=1, S2=0 (2x multiplier)
wim	32:59c4b8f648d4	737
wim	32:59c4b8f648d4	738	_contrast = LCD_PCF2_CONTRAST;
wim	32:59c4b8f648d4	739	_writeCommand(0x80 \| 0x00 \| (_contrast & 0x3F)); // VLCD_set (Instr. Set 1) V=0, VA=contrast
wim	32:59c4b8f648d4	740	_writeCommand(0x80 \| 0x40 \| (_contrast & 0x3F)); // VLCD_set (Instr. Set 1) V=1, VB=contrast
wim	32:59c4b8f648d4	741	wait_ms(10); // Wait 10ms to ensure powered up
wim	32:59c4b8f648d4	742
wim	32:59c4b8f648d4	743	_writeCommand(0x02); // SCRN CONF (Instr. Set 1) L=0
wim	32:59c4b8f648d4	744	_writeCommand(0x08); // ICON CONF (Instr. Set 1) IM=0 (Char mode) IB=0 (no icon blink) DM=0 (no direct mode)
wim	32:59c4b8f648d4	745
wim	32:59c4b8f648d4	746	_writeCommand(0x20 \| _function); // Select Instruction Set = 0
wim	32:59c4b8f648d4	747
wim	32:59c4b8f648d4	748	break; // case PCF2119_3V3 Controller
wim	32:59c4b8f648d4	749
wim	32:59c4b8f648d4	750	// case PCF2119_5V:
wim	32:59c4b8f648d4	751	// PCF2119 controller: No Voltage booster for VLCD. VDD=3V3. VA and VB control contrast.
wim	32:59c4b8f648d4	752	// Note1: See datasheet, the PCF2119 supports icons and provides separate constrast control for Icons and characters.
wim	32:59c4b8f648d4	753	// Note2: Vgen is switched off when the contrast voltage VA or VB is set to 0x00.
wim	30:033048611c01	754	//@TODO
wim	29:a3663151aa65	755
wim	19:c747b9e2e7b8	756	case WS0010:
wim	19:c747b9e2e7b8	757	// WS0010 OLED controller: Initialise DC/DC Voltage converter for LEDs
wim	30:033048611c01	758	// Note1: Identical to RS0010
wim	30:033048611c01	759	// Note2: supports 1 or 2 lines (and 16x100 graphics)
wim	30:033048611c01	760	// supports 4 fonts (English/Japanese (default), Western European-I, English/Russian, Western European-II)
wim	19:c747b9e2e7b8	761	// Cursor/Disp shift set 0001 SC RL 0 0
wim	19:c747b9e2e7b8	762	//
wim	30:033048611c01	763	// Mode and Power set 0001 GC PWR 1 1
wim	19:c747b9e2e7b8	764	// GC = 0 (Graph Mode=1, Char Mode=0)
wim	30:033048611c01	765	// PWR = 1 (DC/DC On/Off)
wim	30:033048611c01	766
wim	30:033048611c01	767	//@Todo: This may be needed to enable a warm reboot
wim	32:59c4b8f648d4	768	//_writeCommand(0x13); // Char mode, DC/DC off
wim	30:033048611c01	769	//wait_ms(10); // Wait 10ms to ensure powered down
wim	32:59c4b8f648d4	770	_writeCommand(0x17); // Char mode, DC/DC on
wim	30:033048611c01	771	wait_ms(10); // Wait 10ms to ensure powered up
wim	29:a3663151aa65	772
wim	29:a3663151aa65	773	// Initialise Display configuration
wim	29:a3663151aa65	774	switch (_type) {
wim	29:a3663151aa65	775	case LCD8x1: //8x1 is a regular 1 line display
wim	29:a3663151aa65	776	case LCD8x2B: //8x2B is a special case of 16x1
wim	29:a3663151aa65	777	// case LCD12x1:
wim	29:a3663151aa65	778	case LCD16x1:
wim	30:033048611c01	779	case LCD24x1:
wim	30:033048611c01	780	_writeCommand(0x20); // Function set 001 DL N F FT1 FT0
wim	30:033048611c01	781	// DL=0 (4 bits bus)
wim	30:033048611c01	782	// N=0 (1 line)
wim	30:033048611c01	783	// F=0 (5x7 dots font)
wim	30:033048611c01	784	// FT=00 (00 = Engl/Jap, 01 = WestEur1, 10 = Engl/Russian, 11 = WestEur2
wim	30:033048611c01	785	break;
wim	30:033048611c01	786
wim	32:59c4b8f648d4	787	case LCD12x3D: // Special mode for KS0078 and PCF21XX
wim	32:59c4b8f648d4	788	case LCD12x3D1: // Special mode for PCF21XX
wim	32:59c4b8f648d4	789	case LCD12x4D: // Special mode for PCF21XX:
wim	33:900a94bc7585	790	case LCD16x3G: // Special mode for ST7036
wim	30:033048611c01	791	case LCD24x4D: // Special mode for KS0078
wim	30:033048611c01	792	error("Error: LCD Controller type does not support this Display type\n\r");
wim	29:a3663151aa65	793	break;
wim	29:a3663151aa65	794
wim	29:a3663151aa65	795	default:
wim	30:033048611c01	796	// All other LCD types are initialised as 2 Line displays (including LCD16x1C and LCD40x4)
wim	30:033048611c01	797	_writeCommand(0x28); // Function set 001 DL N F FT1 FT0
wim	30:033048611c01	798	// DL=0 (4 bits bus)
wim	30:033048611c01	799	// N=1 (2 lines)
wim	30:033048611c01	800	// F=0 (5x7 dots font)
wim	30:033048611c01	801	// FT=00 (00 = Engl/Jap, 01 = WestEur1, 10 = Engl/Russian, 11 = WestEur2
wim	30:033048611c01	802
wim	29:a3663151aa65	803	break;
wim	29:a3663151aa65	804	} // switch type
wim	29:a3663151aa65	805
wim	32:59c4b8f648d4	806	break; // case WS0010 Controller
wim	33:900a94bc7585	807
wim	33:900a94bc7585	808
wim	33:900a94bc7585	809	case US2066_3V3:
wim	33:900a94bc7585	810	// US2066/SSD1311 OLED controller, Initialise for VDD=3V3
wim	33:900a94bc7585	811	// Note: supports 1,2, 3 or 4 lines
wim	33:900a94bc7585	812	// case USS2066_5V:
wim	33:900a94bc7585	813	// US2066 controller, VDD=5V
wim	33:900a94bc7585	814
wim	33:900a94bc7585	815	// Initialise Display configuration
wim	33:900a94bc7585	816	switch (_type) {
wim	33:900a94bc7585	817	case LCD8x1: //8x1 is a regular 1 line display
wim	33:900a94bc7585	818	case LCD8x2B: //8x2D is a special case of 16x1
wim	33:900a94bc7585	819	// case LCD12x1:
wim	33:900a94bc7585	820	case LCD16x1:
wim	33:900a94bc7585	821	// case LCD20x1:
wim	33:900a94bc7585	822	_function = 0x00; // Set function 0 0 1 X N DH RE(0) IS
wim	33:900a94bc7585	823	// Saved to allow switch between Instruction sets at later time
wim	33:900a94bc7585	824	// DL=X bit is ignored for US2066. Uses hardwired pins instead
wim	33:900a94bc7585	825	// N=0 1 Line / 3 Line
wim	33:900a94bc7585	826	// DH=0 Double Height disable
wim	33:900a94bc7585	827	// IS=0
wim	33:900a94bc7585	828
wim	33:900a94bc7585	829	_function_1 = 0x02; // Set function, 0 0 1 X N BE RE(1) REV
wim	33:900a94bc7585	830	// Saved to allow switch between Instruction sets at later time
wim	33:900a94bc7585	831	// DL=X bit is ignored for US2066. Uses hardwired pins instead
wim	33:900a94bc7585	832	// N=0 1 Line / 3 Line
wim	33:900a94bc7585	833	// BE=0 Blink Enable off, special feature of SSD1803, US2066
wim	33:900a94bc7585	834	// REV=0 Reverse off, special feature of SSD1803, US2066
wim	33:900a94bc7585	835
wim	33:900a94bc7585	836	_lines = 0x00; // Ext function set 0 0 0 0 1 FW BW NW
wim	33:900a94bc7585	837	// NW=0 1-Line LCD (N=0)
wim	33:900a94bc7585	838	break;
wim	33:900a94bc7585	839
wim	33:900a94bc7585	840	case LCD16x1C:
wim	33:900a94bc7585	841	case LCD8x2:
wim	33:900a94bc7585	842	case LCD16x2:
wim	33:900a94bc7585	843	case LCD20x2:
wim	33:900a94bc7585	844	_function = 0x08; // Set function 0 0 1 X N DH RE(0) IS
wim	33:900a94bc7585	845	// Saved to allow switch between Instruction sets at later time
wim	33:900a94bc7585	846	// DL=X bit is ignored for US2066. Uses hardwired pins instead
wim	33:900a94bc7585	847	// N=1 2 line / 4 Line
wim	33:900a94bc7585	848	// DH=0 Double Height disable
wim	33:900a94bc7585	849	// IS=0
wim	33:900a94bc7585	850
wim	33:900a94bc7585	851	_function_1 = 0x0A; // Set function, 0 0 1 X N BE RE(1) REV
wim	33:900a94bc7585	852	// Saved to allow switch between Instruction sets at later time
wim	33:900a94bc7585	853	// DL=X bit is ignored for US2066. Uses hardwired pins instead
wim	33:900a94bc7585	854	// N=1 2 line / 4 Line
wim	33:900a94bc7585	855	// BE=0 Blink Enable off, special feature of SSD1803, US2066
wim	33:900a94bc7585	856	// REV=0 Reverse off, special feature of SSD1803, US2066
wim	33:900a94bc7585	857
wim	33:900a94bc7585	858	_lines = 0x00; // Ext function set 0 0 0 0 1 FW BW NW
wim	33:900a94bc7585	859	// NW=0 2-Line LCD (N=1)
wim	33:900a94bc7585	860	break;
wim	33:900a94bc7585	861
wim	33:900a94bc7585	862	case LCD12x3D: // Special mode for KS0078 and PCF21XX
wim	33:900a94bc7585	863	// case LCD12x3D1: // Special mode for KS0078 and PCF21XX
wim	33:900a94bc7585	864	case LCD16x3D: // Special mode for KS0078, SSD1803 and US2066
wim	33:900a94bc7585	865	// case LCD16x3D1: // Special mode for SSD1803, US2066
wim	33:900a94bc7585	866	// case LCD20x3D: // Special mode for SSD1803, US2066
wim	33:900a94bc7585	867	_function = 0x00; // Set function 0 0 1 X N DH RE(0) IS
wim	33:900a94bc7585	868	// Saved to allow switch between Instruction sets at later time
wim	33:900a94bc7585	869	// DL=X bit is ignored for US2066. Uses hardwired pins instead
wim	33:900a94bc7585	870	// N=0 1 Line / 3 Line
wim	33:900a94bc7585	871	// DH=0 Double Height disable
wim	33:900a94bc7585	872	// IS=0
wim	33:900a94bc7585	873
wim	33:900a94bc7585	874	_function_1 = 0x02; // Set function, 0 0 1 X N BE RE(1) REV
wim	33:900a94bc7585	875	// Saved to allow switch between Instruction sets at later time
wim	33:900a94bc7585	876	// DL=X bit is ignored for US2066. Uses hardwired pins instead
wim	33:900a94bc7585	877	// N=0 1 Line / 3 Line
wim	33:900a94bc7585	878	// BE=0 Blink Enable off, special feature of SSD1803, US2066
wim	33:900a94bc7585	879	// REV=0 Reverse off, special feature of SSD1803, US2066
wim	33:900a94bc7585	880
wim	33:900a94bc7585	881	_lines = 0x00; // Ext function set 0 0 0 0 1 FW BW NW
wim	33:900a94bc7585	882	// NW=1 3-Line LCD (N=0)
wim	33:900a94bc7585	883	break;
wim	33:900a94bc7585	884
wim	33:900a94bc7585	885	case LCD20x4D: // Special mode for SSD1803, US2066
wim	33:900a94bc7585	886	_function = 0x08; // Set function 0 0 1 X N DH RE(0) IS
wim	33:900a94bc7585	887	// Saved to allow switch between Instruction sets at later time
wim	33:900a94bc7585	888	// DL=X bit is ignored for US2066. Uses hardwired pins instead
wim	33:900a94bc7585	889	// N=1 2 line / 4 Line
wim	33:900a94bc7585	890	// DH=0 Double Height disable
wim	33:900a94bc7585	891	// IS=0
wim	33:900a94bc7585	892
wim	33:900a94bc7585	893	_function_1 = 0x0A; // Set function, 0 0 1 DL N BE RE(1) REV
wim	33:900a94bc7585	894	// Saved to allow switch between Instruction sets at later time
wim	33:900a94bc7585	895	// DL=0 bit is ignored for US2066. Uses hardwired pins instead
wim	33:900a94bc7585	896	// N=1 2 line / 4 Line
wim	33:900a94bc7585	897	// BE=0 Blink Enable off, special feature of SSD1803, US2066
wim	33:900a94bc7585	898	// REV=0 Reverse off, special feature of SSD1803, US2066
wim	33:900a94bc7585	899
wim	33:900a94bc7585	900	_lines = 0x01; // Ext function set 0 0 0 0 1 FW BW NW
wim	33:900a94bc7585	901	// NW=1 4-Line LCD (N=1)
wim	33:900a94bc7585	902	break;
wim	33:900a94bc7585	903
wim	33:900a94bc7585	904	// case LCD24x1:
wim	33:900a94bc7585	905	// case LCD16x3G: // Special mode for ST7036
wim	33:900a94bc7585	906	// case LCD24x4D: // Special mode for KS0078
wim	33:900a94bc7585	907	default:
wim	33:900a94bc7585	908	error("Error: LCD Controller type does not support this Display type\n\r");
wim	33:900a94bc7585	909	break;
wim	33:900a94bc7585	910
wim	33:900a94bc7585	911	} // switch type
wim	33:900a94bc7585	912
wim	34:e5a0dcb43ecc	913	_writeCommand(0x00); // NOP, make sure to sync SPI
wim	33:900a94bc7585	914
wim	33:900a94bc7585	915	// init special features
wim	33:900a94bc7585	916	_writeCommand(0x20 \| _function_1); // Set function, 0 0 1 X N BE RE(1) REV
wim	33:900a94bc7585	917	// Select Extended Instruction Set
wim	33:900a94bc7585	918
wim	33:900a94bc7585	919	_writeCommand(0x71); // Function Select A: 0 1 1 1 0 0 0 1 (Ext Instr Set)
wim	33:900a94bc7585	920	_writeData(0x00); // Disable Internal VDD
wim	33:900a94bc7585	921
wim	33:900a94bc7585	922	_writeCommand(0x79); // Function Select OLED: 0 1 1 1 1 0 0 1 (Ext Instr Set)
wim	33:900a94bc7585	923
wim	33:900a94bc7585	924	_writeCommand(0xD5); // Display Clock Divide Ratio: 1 1 0 1 0 1 0 1 (Ext Instr Set, OLED Instr Set)
wim	33:900a94bc7585	925	_writeCommand(0x70); // Display Clock Divide Ratio value: 0 1 1 1 0 0 0 0 (Ext Instr Set, OLED Instr Set)
wim	33:900a94bc7585	926
wim	33:900a94bc7585	927	_writeCommand(0x78); // Function Disable OLED: 0 1 1 1 1 0 0 0 (Ext Instr Set)
wim	33:900a94bc7585	928
wim	33:900a94bc7585	929	// _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)
wim	33:900a94bc7585	930	_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)
wim	33:900a94bc7585	931
wim	33:900a94bc7585	932	_writeCommand(0x08 \| _lines); // Set ext function 0 0 0 0 1 FW BW NW 1,2,3 or 4 lines (Ext Instr Set)
wim	33:900a94bc7585	933
wim	34:e5a0dcb43ecc	934	// _writeCommand(0x1C); // Double Height, 0 0 0 1 UD2=1, UD1=1, X, DH'=0 (Ext Instr Set)
wim	33:900a94bc7585	935	// // Default
wim	33:900a94bc7585	936
wim	33:900a94bc7585	937	_writeCommand(0x72); // Function Select B: 0 1 1 1 0 0 1 0 (Ext Instr Set)
wim	33:900a94bc7585	938	_writeData(0x01); // Select ROM A (CGRAM 8, CGROM 248)
wim	33:900a94bc7585	939
wim	33:900a94bc7585	940	_writeCommand(0x79); // Function Select OLED: 0 1 1 1 1 0 0 1 (Ext Instr Set)
wim	33:900a94bc7585	941
wim	33:900a94bc7585	942	_writeCommand(0xDA); // Set Segm Pins Config: 1 1 0 1 1 0 1 0 (Ext Instr Set, OLED)
wim	33:900a94bc7585	943	_writeCommand(0x10); // Set Segm Pins Config value: Altern Odd/Even, Disable Remap (Ext Instr Set, OLED)
wim	33:900a94bc7585	944
wim	33:900a94bc7585	945	_writeCommand(0xDC); // Function Select C: 1 1 0 1 1 1 0 0 (Ext Instr Set, OLED)
wim	33:900a94bc7585	946	// _writeCommand(0x00); // Set internal VSL, GPIO pin HiZ (always read low)
wim	33:900a94bc7585	947	_writeCommand(0x80); // Set external VSL, GPIO pin HiZ (always read low)
wim	33:900a94bc7585	948
wim	33:900a94bc7585	949	_contrast = LCD_US20_CONTRAST;
wim	33:900a94bc7585	950	_writeCommand(0x81); // Set Contrast Control: 1 0 0 0 0 0 0 1 (Ext Instr Set, OLED)
wim	33:900a94bc7585	951	_writeCommand((_contrast << 2) \| 0x03); // Set Contrast Value: 8 bits, use 6 bits for compatibility
wim	33:900a94bc7585	952
wim	33:900a94bc7585	953	_writeCommand(0xD9); // Set Phase Length: 1 1 0 1 1 0 0 1 (Ext Instr Set, OLED)
wim	33:900a94bc7585	954	_writeCommand(0xF1); // Set Phase Length Value:
wim	33:900a94bc7585	955
wim	33:900a94bc7585	956	_writeCommand(0xDB); // Set VCOMH Deselect Lvl: 1 1 0 1 1 0 1 1 (Ext Instr Set, OLED)
wim	33:900a94bc7585	957	_writeCommand(0x30); // Set VCOMH Deselect Value: 0.83 x VCC
wim	33:900a94bc7585	958
wim	33:900a94bc7585	959	wait_ms(10); // Wait 10ms to ensure powered up
wim	33:900a94bc7585	960
wim	33:900a94bc7585	961	//Test Fade/Blinking. Hard Blink on/off, No fade in/out ??
wim	33:900a94bc7585	962	// _writeCommand(0x23); // Set (Ext Instr Set, OLED)
wim	33:900a94bc7585	963	// _writeCommand(0x3F); // Set interval 128 frames
wim	33:900a94bc7585	964	//End Test Blinking
wim	33:900a94bc7585	965
wim	33:900a94bc7585	966	_writeCommand(0x78); // Function Disable OLED: 0 1 1 1 1 0 0 0 (Ext Instr Set)
wim	33:900a94bc7585	967
wim	33:900a94bc7585	968	_writeCommand(0x20 \| _function \| 0x01); // Set function, 0 0 1 X N DH RE(0) IS=1 Select Instruction Set 1
wim	33:900a94bc7585	969	// Select Std Instr set, Select IS=1
wim	33:900a94bc7585	970
wim	33:900a94bc7585	971	_writeCommand(0x20 \| _function_1); // Set function, 0 0 1 X N BE RE(1) REV
wim	33:900a94bc7585	972	// Select Ext Instr Set, IS=1
wim	33:900a94bc7585	973	_writeCommand(0x10); // Shift/Scroll enable, 0 0 0 1 DS4/HS4 DS3/HS3 DS2/HS2 DS1/HS1 (Ext Instr Set, IS=1)
wim	33:900a94bc7585	974
wim	33:900a94bc7585	975	_writeCommand(0x20 \| _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0
wim	34:e5a0dcb43ecc	976	// Select Std Instr set, Select IS=0
wim	33:900a94bc7585	977	break; // case US2066/SSD1311 Controller
wim	33:900a94bc7585	978
wim	34:e5a0dcb43ecc	979	//not yet tested on hardware
wim	34:e5a0dcb43ecc	980	case PT6314 :
wim	34:e5a0dcb43ecc	981	// Initialise Display configuration
wim	34:e5a0dcb43ecc	982	switch (_type) {
wim	34:e5a0dcb43ecc	983	case LCD8x1: //8x1 is a regular 1 line display
wim	34:e5a0dcb43ecc	984	case LCD8x2B: //8x2B is a special case of 16x1
wim	34:e5a0dcb43ecc	985	// case LCD12x1:
wim	34:e5a0dcb43ecc	986	case LCD16x1:
wim	34:e5a0dcb43ecc	987	case LCD20x1:
wim	34:e5a0dcb43ecc	988	case LCD24x1:
wim	34:e5a0dcb43ecc	989	_function = 0x00; // Function set 001 DL N X BR1 BR0
wim	34:e5a0dcb43ecc	990	// DL=0 (4 bits bus)
wim	34:e5a0dcb43ecc	991	// Note: 4 bit mode is ignored for native SPI and I2C devices
wim	34:e5a0dcb43ecc	992	// N=0 (1 line)
wim	34:e5a0dcb43ecc	993	// X
wim	34:e5a0dcb43ecc	994	// BR1=0 (2 significant bits for brightness
wim	34:e5a0dcb43ecc	995	// BR0=0
wim	34:e5a0dcb43ecc	996	// 0x0 = 100%
wim	34:e5a0dcb43ecc	997	// 0x1 = 75%
wim	34:e5a0dcb43ecc	998	// 0x2 = 50%
wim	34:e5a0dcb43ecc	999	// 0x3 = 25%
wim	34:e5a0dcb43ecc	1000
wim	34:e5a0dcb43ecc	1001	break;
wim	34:e5a0dcb43ecc	1002
wim	34:e5a0dcb43ecc	1003	// All other valid LCD types are initialised as 2 Line displays
wim	34:e5a0dcb43ecc	1004	case LCD8x2:
wim	34:e5a0dcb43ecc	1005	case LCD16x2:
wim	34:e5a0dcb43ecc	1006	case LCD20x2:
wim	34:e5a0dcb43ecc	1007	case LCD24x2:
wim	34:e5a0dcb43ecc	1008	_function = 0x08; // Function set 001 DL N X BR1 BR2
wim	34:e5a0dcb43ecc	1009	// DL=0 (4 bits bus)
wim	34:e5a0dcb43ecc	1010	// Note: 4 bit mode is ignored for native SPI and I2C devices
wim	34:e5a0dcb43ecc	1011	// N=1 (2 lines)
wim	34:e5a0dcb43ecc	1012	// X
wim	34:e5a0dcb43ecc	1013	// BR1=0 (2 significant bits for brightness
wim	34:e5a0dcb43ecc	1014	// BR0=0
wim	34:e5a0dcb43ecc	1015	break;
wim	34:e5a0dcb43ecc	1016
wim	34:e5a0dcb43ecc	1017	default:
wim	34:e5a0dcb43ecc	1018	error("Error: LCD Controller type does not support this Display type\n\r");
wim	34:e5a0dcb43ecc	1019	break;
wim	34:e5a0dcb43ecc	1020	} // switch type
wim	34:e5a0dcb43ecc	1021
wim	34:e5a0dcb43ecc	1022	_contrast = LCD_PT63_CONTRAST;
wim	34:e5a0dcb43ecc	1023	_writeCommand(0x20 \| _function \| ((~_contrast) >> 4)); // Invert and shift to use 2 MSBs
wim	34:e5a0dcb43ecc	1024	break; // case PT6314 Controller (VFD)
wim	29:a3663151aa65	1025
wim	19:c747b9e2e7b8	1026	default:
wim	32:59c4b8f648d4	1027	// Devices fully compatible to HD44780 that do not use any DC/DC Voltage converters but external VLCD, no icons etc
wim	10:dd9b3a696acd	1028
wim	29:a3663151aa65	1029	// Initialise Display configuration
wim	29:a3663151aa65	1030	switch (_type) {
wim	29:a3663151aa65	1031	case LCD8x1: //8x1 is a regular 1 line display
wim	29:a3663151aa65	1032	case LCD8x2B: //8x2B is a special case of 16x1
wim	29:a3663151aa65	1033	// case LCD12x1:
wim	29:a3663151aa65	1034	case LCD16x1:
wim	30:033048611c01	1035	// case LCD20x1:
wim	29:a3663151aa65	1036	case LCD24x1:
wim	30:033048611c01	1037	// case LCD40x1:
wim	32:59c4b8f648d4	1038	_function = 0x00; // Function set 001 DL N F - -
wim	29:a3663151aa65	1039	// DL=0 (4 bits bus)
wim	29:a3663151aa65	1040	// N=0 (1 line)
wim	29:a3663151aa65	1041	// F=0 (5x7 dots font)
wim	29:a3663151aa65	1042	break;
wim	29:a3663151aa65	1043
wim	32:59c4b8f648d4	1044	case LCD12x3D: // Special mode for KS0078 and PCF21XX
wim	32:59c4b8f648d4	1045	case LCD12x3D1: // Special mode for KS0078 and PCF21XX
wim	32:59c4b8f648d4	1046	case LCD12x4D: // Special mode for KS0078 and PCF21XX:
wim	33:900a94bc7585	1047	case LCD16x3D: // Special mode for KS0078
wim	32:59c4b8f648d4	1048	// case LCD16x3D1: // Special mode for KS0078
wim	30:033048611c01	1049	// case LCD24x3D: // Special mode for KS0078
wim	32:59c4b8f648d4	1050	// case LCD24x3D1: // Special mode for KS0078
wim	30:033048611c01	1051	case LCD24x4D: // Special mode for KS0078
wim	30:033048611c01	1052	error("Error: LCD Controller type does not support this Display type\n\r");
wim	30:033048611c01	1053	break;
wim	30:033048611c01	1054
wim	30:033048611c01	1055	// All other LCD types are initialised as 2 Line displays (including LCD16x1C and LCD40x4)
wim	29:a3663151aa65	1056	default:
wim	32:59c4b8f648d4	1057	_function = 0x08; // Function set 001 DL N F - -
wim	29:a3663151aa65	1058	// DL=0 (4 bits bus)
wim	29:a3663151aa65	1059	// Note: 4 bit mode is ignored for native SPI and I2C devices
wim	29:a3663151aa65	1060	// N=1 (2 lines)
wim	29:a3663151aa65	1061	// F=0 (5x7 dots font, only option for 2 line display)
wim	32:59c4b8f648d4	1062	// - (Don't care)
wim	29:a3663151aa65	1063	break;
wim	29:a3663151aa65	1064	} // switch type
wim	10:dd9b3a696acd	1065
wim	34:e5a0dcb43ecc	1066	_writeCommand(0x20 \| _function);
wim	29:a3663151aa65	1067	break; // case default Controller
wim	29:a3663151aa65	1068
wim	34:e5a0dcb43ecc	1069	} // switch Controller specific initialisations
wim	10:dd9b3a696acd	1070
wim	30:033048611c01	1071	// Controller general initialisations
wim	32:59c4b8f648d4	1072	// _writeCommand(0x01); // cls, and set cursor to 0
wim	32:59c4b8f648d4	1073	// wait_ms(10); // The CLS command takes 1.64 ms.
wim	32:59c4b8f648d4	1074	// // Since we are not using the Busy flag, Lets be safe and take 10 ms
wim	28:30fa94f7341c	1075
wim	28:30fa94f7341c	1076	_writeCommand(0x02); // Return Home
wim	28:30fa94f7341c	1077	// Cursor Home, DDRAM Address to Origin
wim	28:30fa94f7341c	1078
wim	28:30fa94f7341c	1079	_writeCommand(0x06); // Entry Mode 0000 0 1 I/D S
wim	13:24506ba22480	1080	// Cursor Direction and Display Shift
wim	28:30fa94f7341c	1081	// I/D=1 (Cur incr)
wim	28:30fa94f7341c	1082	// S=0 (No display shift)
wim	10:dd9b3a696acd	1083
wim	29:a3663151aa65	1084	_writeCommand(0x14); // Cursor or Display shift 0001 S/C R/L x x
wim	29:a3663151aa65	1085	// S/C=0 Cursor moves
wim	29:a3663151aa65	1086	// R/L=1 Right
wim	29:a3663151aa65	1087	//
wim	29:a3663151aa65	1088
wim	13:24506ba22480	1089	// _writeCommand(0x0C); // Display Ctrl 0000 1 D C B
wim	17:652ab113bc2e	1090	// // Display On, Cursor Off, Blink Off
wim	21:9eb628d9e164	1091	setCursor(CurOff_BlkOff);
wim	21:9eb628d9e164	1092	setMode(DispOn);
simon	1:ac48b187213c	1093	}
simon	1:ac48b187213c	1094
wim	8:03116f75b66e	1095
wim	21:9eb628d9e164	1096	/** Clear the screen, Cursor home.
wim	21:9eb628d9e164	1097	*/
wim	21:9eb628d9e164	1098	void TextLCD_Base::cls() {
wim	15:b70ebfffb258	1099
wim	15:b70ebfffb258	1100	// Select and configure second LCD controller when needed
wim	15:b70ebfffb258	1101	if(_type==LCD40x4) {
wim	21:9eb628d9e164	1102	_ctrl_idx=_LCDCtrl_1; // Select 2nd controller
wim	15:b70ebfffb258	1103
wim	15:b70ebfffb258	1104	// Second LCD controller Cursor always Off
wim	21:9eb628d9e164	1105	_setCursorAndDisplayMode(_currentMode, CurOff_BlkOff);
wim	15:b70ebfffb258	1106
wim	15:b70ebfffb258	1107	// Second LCD controller Clearscreen
wim	27:22d5086f6ba6	1108	_writeCommand(0x01); // cls, and set cursor to 0
wim	29:a3663151aa65	1109	wait_ms(10); // The CLS command takes 1.64 ms.
wim	29:a3663151aa65	1110	// Since we are not using the Busy flag, Lets be safe and take 10 ms
wim	15:b70ebfffb258	1111
wim	21:9eb628d9e164	1112	_ctrl_idx=_LCDCtrl_0; // Select primary controller
wim	15:b70ebfffb258	1113	}
wim	15:b70ebfffb258	1114
wim	15:b70ebfffb258	1115	// Primary LCD controller Clearscreen
wim	27:22d5086f6ba6	1116	_writeCommand(0x01); // cls, and set cursor to 0
wim	29:a3663151aa65	1117	wait_ms(10); // The CLS command takes 1.64 ms.
wim	29:a3663151aa65	1118	// Since we are not using the Busy flag, Lets be safe and take 10 ms
wim	15:b70ebfffb258	1119
wim	15:b70ebfffb258	1120	// Restore cursormode on primary LCD controller when needed
wim	15:b70ebfffb258	1121	if(_type==LCD40x4) {
wim	17:652ab113bc2e	1122	_setCursorAndDisplayMode(_currentMode,_currentCursor);
wim	15:b70ebfffb258	1123	}
wim	15:b70ebfffb258	1124
wim	29:a3663151aa65	1125	setAddress(0, 0); // Reset Cursor location
wim	32:59c4b8f648d4	1126	// Note: This is needed because some displays (eg PCF21XX) don't use line 0 in the '3 Line' mode.
simon	1:ac48b187213c	1127	}
simon	1:ac48b187213c	1128
wim	29:a3663151aa65	1129	/** Locate cursor to a screen column and row
wim	29:a3663151aa65	1130	*
wim	29:a3663151aa65	1131	* @param column The horizontal position from the left, indexed from 0
wim	29:a3663151aa65	1132	* @param row The vertical position from the top, indexed from 0
wim	29:a3663151aa65	1133	*/
wim	21:9eb628d9e164	1134	void TextLCD_Base::locate(int column, int row) {
wim	15:b70ebfffb258	1135
wim	15:b70ebfffb258	1136	// setAddress() does all the heavy lifting:
wim	15:b70ebfffb258	1137	// check column and row sanity,
wim	15:b70ebfffb258	1138	// switch controllers for LCD40x4 if needed
wim	15:b70ebfffb258	1139	// switch cursor for LCD40x4 if needed
wim	15:b70ebfffb258	1140	// set the new memory address to show cursor at correct location
wim	32:59c4b8f648d4	1141	setAddress(column, row);
wim	15:b70ebfffb258	1142	}
wim	30:033048611c01	1143
wim	15:b70ebfffb258	1144
wim	21:9eb628d9e164	1145	/** Write a single character (Stream implementation)
wim	21:9eb628d9e164	1146	*/
wim	21:9eb628d9e164	1147	int TextLCD_Base::_putc(int value) {
wim	15:b70ebfffb258	1148	int addr;
wim	15:b70ebfffb258	1149
wim	15:b70ebfffb258	1150	if (value == '\n') {
wim	15:b70ebfffb258	1151	//No character to write
wim	15:b70ebfffb258	1152
wim	15:b70ebfffb258	1153	//Update Cursor
wim	15:b70ebfffb258	1154	_column = 0;
wim	15:b70ebfffb258	1155	_row++;
wim	15:b70ebfffb258	1156	if (_row >= rows()) {
wim	15:b70ebfffb258	1157	_row = 0;
wim	15:b70ebfffb258	1158	}
wim	15:b70ebfffb258	1159	}
wim	15:b70ebfffb258	1160	else {
wim	15:b70ebfffb258	1161	//Character to write
wim	15:b70ebfffb258	1162	_writeData(value);
wim	15:b70ebfffb258	1163
wim	15:b70ebfffb258	1164	//Update Cursor
wim	15:b70ebfffb258	1165	_column++;
wim	15:b70ebfffb258	1166	if (_column >= columns()) {
wim	15:b70ebfffb258	1167	_column = 0;
wim	15:b70ebfffb258	1168	_row++;
wim	15:b70ebfffb258	1169	if (_row >= rows()) {
wim	15:b70ebfffb258	1170	_row = 0;
wim	15:b70ebfffb258	1171	}
wim	15:b70ebfffb258	1172	}
wim	15:b70ebfffb258	1173	} //else
wim	15:b70ebfffb258	1174
wim	15:b70ebfffb258	1175	//Set next memoryaddress, make sure cursor blinks at next location
wim	15:b70ebfffb258	1176	addr = getAddress(_column, _row);
wim	15:b70ebfffb258	1177	_writeCommand(0x80 \| addr);
wim	15:b70ebfffb258	1178
wim	15:b70ebfffb258	1179	return value;
wim	15:b70ebfffb258	1180	}
wim	15:b70ebfffb258	1181
wim	15:b70ebfffb258	1182
wim	16:c276b75e6585	1183	// get a single character (Stream implementation)
wim	21:9eb628d9e164	1184	int TextLCD_Base::_getc() {
simon	1:ac48b187213c	1185	return -1;
simon	1:ac48b187213c	1186	}
simon	1:ac48b187213c	1187
wim	14:0c32b66b14b8	1188
wim	34:e5a0dcb43ecc	1189	#if(LCD_PRINTF != 1)
wim	34:e5a0dcb43ecc	1190	/** Write a character to the LCD
wim	34:e5a0dcb43ecc	1191	*
wim	34:e5a0dcb43ecc	1192	* @param c The character to write to the display
wim	34:e5a0dcb43ecc	1193	*/
wim	34:e5a0dcb43ecc	1194	int TextLCD_Base::putc(int c){
wim	34:e5a0dcb43ecc	1195	return _putc(c);
wim	34:e5a0dcb43ecc	1196	}
wim	34:e5a0dcb43ecc	1197
wim	34:e5a0dcb43ecc	1198
wim	34:e5a0dcb43ecc	1199	/** Write a raw string to the LCD
wim	34:e5a0dcb43ecc	1200	*
wim	34:e5a0dcb43ecc	1201	* @param string text, may be followed by variables to emulate formatting the string.
wim	34:e5a0dcb43ecc	1202	* However, printf formatting is NOT supported and variables will be ignored!
wim	34:e5a0dcb43ecc	1203	*/
wim	34:e5a0dcb43ecc	1204	int TextLCD_Base::printf(const char* text, ...) {
wim	34:e5a0dcb43ecc	1205
wim	34:e5a0dcb43ecc	1206	while (*text !=0) {
wim	34:e5a0dcb43ecc	1207	_putc(*text);
wim	34:e5a0dcb43ecc	1208	text++;
wim	34:e5a0dcb43ecc	1209	}
wim	34:e5a0dcb43ecc	1210	return 0;
wim	34:e5a0dcb43ecc	1211	}
wim	34:e5a0dcb43ecc	1212	#endif
wim	34:e5a0dcb43ecc	1213
wim	34:e5a0dcb43ecc	1214
wim	34:e5a0dcb43ecc	1215
wim	17:652ab113bc2e	1216	// Write a nibble using the 4-bit interface
wim	21:9eb628d9e164	1217	void TextLCD_Base::_writeNibble(int value) {
wim	17:652ab113bc2e	1218
wim	17:652ab113bc2e	1219	// Enable is Low
wim	21:9eb628d9e164	1220	this->_setEnable(true);
wim	21:9eb628d9e164	1221	this->_setData(value & 0x0F); // Low nibble
wim	17:652ab113bc2e	1222	wait_us(1); // Data setup time
wim	21:9eb628d9e164	1223	this->_setEnable(false);
wim	17:652ab113bc2e	1224	wait_us(1); // Datahold time
wim	17:652ab113bc2e	1225
wim	17:652ab113bc2e	1226	// Enable is Low
wim	17:652ab113bc2e	1227	}
wim	17:652ab113bc2e	1228
wim	16:c276b75e6585	1229	// Write a byte using the 4-bit interface
wim	21:9eb628d9e164	1230	void TextLCD_Base::_writeByte(int value) {
wim	15:b70ebfffb258	1231
wim	15:b70ebfffb258	1232	// Enable is Low
wim	21:9eb628d9e164	1233	this->_setEnable(true);
wim	21:9eb628d9e164	1234	this->_setData(value >> 4); // High nibble
wim	15:b70ebfffb258	1235	wait_us(1); // Data setup time
wim	21:9eb628d9e164	1236	this->_setEnable(false);
wim	15:b70ebfffb258	1237	wait_us(1); // Data hold time
wim	15:b70ebfffb258	1238
wim	21:9eb628d9e164	1239	this->_setEnable(true);
wim	21:9eb628d9e164	1240	this->_setData(value >> 0); // Low nibble
wim	15:b70ebfffb258	1241	wait_us(1); // Data setup time
wim	21:9eb628d9e164	1242	this->_setEnable(false);
wim	15:b70ebfffb258	1243	wait_us(1); // Datahold time
wim	15:b70ebfffb258	1244
wim	15:b70ebfffb258	1245	// Enable is Low
simon	1:ac48b187213c	1246	}
simon	1:ac48b187213c	1247
wim	21:9eb628d9e164	1248	// Write a command byte to the LCD controller
wim	21:9eb628d9e164	1249	void TextLCD_Base::_writeCommand(int command) {
wim	15:b70ebfffb258	1250
wim	21:9eb628d9e164	1251	this->_setRS(false);
wim	16:c276b75e6585	1252	wait_us(1); // Data setup time for RS
wim	15:b70ebfffb258	1253
wim	21:9eb628d9e164	1254	this->_writeByte(command);
wim	15:b70ebfffb258	1255	wait_us(40); // most instructions take 40us
simon	1:ac48b187213c	1256	}
simon	1:ac48b187213c	1257
wim	21:9eb628d9e164	1258	// Write a data byte to the LCD controller
wim	21:9eb628d9e164	1259	void TextLCD_Base::_writeData(int data) {
wim	15:b70ebfffb258	1260
wim	21:9eb628d9e164	1261	this->_setRS(true);
wim	16:c276b75e6585	1262	wait_us(1); // Data setup time for RS
wim	15:b70ebfffb258	1263
wim	21:9eb628d9e164	1264	this->_writeByte(data);
wim	15:b70ebfffb258	1265	wait_us(40); // data writes take 40us
simon	1:ac48b187213c	1266	}
simon	1:ac48b187213c	1267
wim	8:03116f75b66e	1268
wim	32:59c4b8f648d4	1269	// This replaces the original _address() method.
wim	8:03116f75b66e	1270	// It is confusing since it returns the memoryaddress or-ed with the set memorycommand 0x80.
wim	8:03116f75b66e	1271	// Left it in here for compatibility with older code. New applications should use getAddress() instead.
wim	21:9eb628d9e164	1272	int TextLCD_Base::_address(int column, int row) {
wim	8:03116f75b66e	1273	return 0x80 \| getAddress(column, row);
wim	8:03116f75b66e	1274	}
wim	8:03116f75b66e	1275
wim	30:033048611c01	1276
wim	30:033048611c01	1277	// This is new method to return the memory address based on row, column and displaytype.
wim	30:033048611c01	1278	//
wim	30:033048611c01	1279	/** Return the memoryaddress of screen column and row location
wim	30:033048611c01	1280	*
wim	30:033048611c01	1281	* @param column The horizontal position from the left, indexed from 0
wim	30:033048611c01	1282	* @param row The vertical position from the top, indexed from 0
wim	30:033048611c01	1283	* @param return The memoryaddress of screen column and row location
wim	30:033048611c01	1284	*
wim	30:033048611c01	1285	*/
wim	30:033048611c01	1286	int TextLCD_Base::getAddress(int column, int row) {
wim	30:033048611c01	1287
wim	30:033048611c01	1288	switch (_addr_mode) {
wim	30:033048611c01	1289
wim	30:033048611c01	1290	case LCD_T_A:
wim	30:033048611c01	1291	//Default addressing mode for 1, 2 and 4 rows (except 40x4)
wim	30:033048611c01	1292	//The two available rows are split and stacked on top of eachother. Addressing for 3rd and 4th line continues where lines 1 and 2 were split.
wim	30:033048611c01	1293	//Displays top rows when less than four are used.
wim	30:033048611c01	1294	switch (row) {
wim	30:033048611c01	1295	case 0:
wim	30:033048611c01	1296	return 0x00 + column;
wim	30:033048611c01	1297	case 1:
wim	30:033048611c01	1298	return 0x40 + column;
wim	30:033048611c01	1299	case 2:
wim	30:033048611c01	1300	return 0x00 + _nr_cols + column;
wim	30:033048611c01	1301	case 3:
wim	30:033048611c01	1302	return 0x40 + _nr_cols + column;
wim	30:033048611c01	1303	// Should never get here.
wim	30:033048611c01	1304	default:
wim	30:033048611c01	1305	return 0x00;
wim	30:033048611c01	1306	}
wim	30:033048611c01	1307
wim	30:033048611c01	1308	case LCD_T_B:
wim	30:033048611c01	1309	// LCD8x2B is a special layout of LCD16x1
wim	30:033048611c01	1310	if (row==0)
wim	30:033048611c01	1311	return 0x00 + column;
wim	30:033048611c01	1312	else
wim	30:033048611c01	1313	// return _nr_cols + column;
wim	30:033048611c01	1314	return 0x08 + column;
wim	30:033048611c01	1315
wim	30:033048611c01	1316	case LCD_T_C:
wim	30:033048611c01	1317	// LCD16x1C is a special layout of LCD8x2
wim	33:900a94bc7585	1318	// LCD32x1C is a special layout of LCD16x2
wim	33:900a94bc7585	1319	// LCD40x1C is a special layout of LCD20x2
wim	33:900a94bc7585	1320	#if(0)
wim	32:59c4b8f648d4	1321	if (column < 8)
wim	30:033048611c01	1322	return 0x00 + column;
wim	30:033048611c01	1323	else
wim	30:033048611c01	1324	return 0x40 + (column - 8);
wim	32:59c4b8f648d4	1325	#else
wim	32:59c4b8f648d4	1326	if (column < (_nr_cols >> 1))
wim	32:59c4b8f648d4	1327	return 0x00 + column;
wim	32:59c4b8f648d4	1328	else
wim	32:59c4b8f648d4	1329	return 0x40 + (column - (_nr_cols >> 1));
wim	32:59c4b8f648d4	1330	#endif
wim	30:033048611c01	1331
wim	30:033048611c01	1332	// Not sure about this one, seems wrong.
wim	30:033048611c01	1333	// Left in for compatibility with original library
wim	30:033048611c01	1334	// case LCD16x2B:
wim	30:033048611c01	1335	// return 0x00 + (row * 40) + column;
wim	30:033048611c01	1336
wim	30:033048611c01	1337	case LCD_T_D:
wim	33:900a94bc7585	1338	//Alternate addressing mode for 3 and 4 row displays (except 40x4). Used by PCF21XX, KS0078, SSD1803
wim	30:033048611c01	1339	//The 4 available rows start at a hardcoded address.
wim	30:033048611c01	1340	//Displays top rows when less than four are used.
wim	30:033048611c01	1341	switch (row) {
wim	30:033048611c01	1342	case 0:
wim	30:033048611c01	1343	return 0x00 + column;
wim	30:033048611c01	1344	case 1:
wim	30:033048611c01	1345	return 0x20 + column;
wim	30:033048611c01	1346	case 2:
wim	30:033048611c01	1347	return 0x40 + column;
wim	30:033048611c01	1348	case 3:
wim	30:033048611c01	1349	return 0x60 + column;
wim	30:033048611c01	1350	// Should never get here.
wim	30:033048611c01	1351	default:
wim	30:033048611c01	1352	return 0x00;
wim	30:033048611c01	1353	}
wim	30:033048611c01	1354
wim	30:033048611c01	1355	case LCD_T_D1:
wim	32:59c4b8f648d4	1356	//Alternate addressing mode for 3 row displays. Used by PCF21XX, KS0078, SSD1803
wim	30:033048611c01	1357	//The 4 available rows start at a hardcoded address.
wim	30:033048611c01	1358	//Skips top row of 4 row display and starts display at row 1
wim	30:033048611c01	1359	switch (row) {
wim	30:033048611c01	1360	case 0:
wim	30:033048611c01	1361	return 0x20 + column;
wim	30:033048611c01	1362	case 1:
wim	30:033048611c01	1363	return 0x40 + column;
wim	30:033048611c01	1364	case 2:
wim	30:033048611c01	1365	return 0x60 + column;
wim	30:033048611c01	1366	// Should never get here.
wim	30:033048611c01	1367	default:
wim	30:033048611c01	1368	return 0x00;
wim	30:033048611c01	1369	}
wim	30:033048611c01	1370
wim	30:033048611c01	1371	case LCD_T_E:
wim	30:033048611c01	1372	// LCD40x4 is a special case since it has 2 controllers.
wim	30:033048611c01	1373	// Each controller is configured as 40x2 (Type A)
wim	30:033048611c01	1374	if (row<2) {
wim	30:033048611c01	1375	// Test to see if we need to switch between controllers
wim	30:033048611c01	1376	if (_ctrl_idx != _LCDCtrl_0) {
wim	30:033048611c01	1377
wim	30:033048611c01	1378	// Second LCD controller Cursor Off
wim	30:033048611c01	1379	_setCursorAndDisplayMode(_currentMode, CurOff_BlkOff);
wim	30:033048611c01	1380
wim	30:033048611c01	1381	// Select primary controller
wim	30:033048611c01	1382	_ctrl_idx = _LCDCtrl_0;
wim	30:033048611c01	1383
wim	30:033048611c01	1384	// Restore cursormode on primary LCD controller
wim	30:033048611c01	1385	_setCursorAndDisplayMode(_currentMode, _currentCursor);
wim	30:033048611c01	1386	}
wim	30:033048611c01	1387
wim	30:033048611c01	1388	return 0x00 + (row * 0x40) + column;
wim	30:033048611c01	1389	}
wim	30:033048611c01	1390	else {
wim	30:033048611c01	1391
wim	30:033048611c01	1392	// Test to see if we need to switch between controllers
wim	30:033048611c01	1393	if (_ctrl_idx != _LCDCtrl_1) {
wim	30:033048611c01	1394	// Primary LCD controller Cursor Off
wim	30:033048611c01	1395	_setCursorAndDisplayMode(_currentMode, CurOff_BlkOff);
wim	30:033048611c01	1396
wim	30:033048611c01	1397	// Select secondary controller
wim	30:033048611c01	1398	_ctrl_idx = _LCDCtrl_1;
wim	30:033048611c01	1399
wim	30:033048611c01	1400	// Restore cursormode on secondary LCD controller
wim	30:033048611c01	1401	_setCursorAndDisplayMode(_currentMode, _currentCursor);
wim	30:033048611c01	1402	}
wim	30:033048611c01	1403
wim	30:033048611c01	1404	return 0x00 + ((row-2) * 0x40) + column;
wim	30:033048611c01	1405	}
wim	30:033048611c01	1406
wim	32:59c4b8f648d4	1407	case LCD_T_F:
wim	32:59c4b8f648d4	1408	//Alternate addressing mode for 3 row displays.
wim	32:59c4b8f648d4	1409	//The first half of 3rd row continues from 1st row, the second half continues from 2nd row.
wim	32:59c4b8f648d4	1410	switch (row) {
wim	32:59c4b8f648d4	1411	case 0:
wim	32:59c4b8f648d4	1412	return 0x00 + column;
wim	32:59c4b8f648d4	1413	case 1:
wim	32:59c4b8f648d4	1414	return 0x40 + column;
wim	32:59c4b8f648d4	1415	case 2:
wim	32:59c4b8f648d4	1416	if (column < (_nr_cols >> 1)) // check first or second half of line
wim	32:59c4b8f648d4	1417	return (0x00 + _nr_cols + column);
wim	32:59c4b8f648d4	1418	else
wim	32:59c4b8f648d4	1419	return (0x40 + _nr_cols + (column - (_nr_cols >> 1)));
wim	32:59c4b8f648d4	1420	// Should never get here.
wim	32:59c4b8f648d4	1421	default:
wim	32:59c4b8f648d4	1422	return 0x00;
wim	32:59c4b8f648d4	1423	}
wim	32:59c4b8f648d4	1424
wim	32:59c4b8f648d4	1425	case LCD_T_G:
wim	32:59c4b8f648d4	1426	//Alternate addressing mode for 3 row displays. Used by ST7036
wim	32:59c4b8f648d4	1427	switch (row) {
wim	32:59c4b8f648d4	1428	case 0:
wim	32:59c4b8f648d4	1429	return 0x00 + column;
wim	32:59c4b8f648d4	1430	case 1:
wim	32:59c4b8f648d4	1431	return 0x10 + column;
wim	32:59c4b8f648d4	1432	case 2:
wim	32:59c4b8f648d4	1433	return 0x20 + column;
wim	32:59c4b8f648d4	1434	// Should never get here.
wim	32:59c4b8f648d4	1435	default:
wim	32:59c4b8f648d4	1436	return 0x00;
wim	32:59c4b8f648d4	1437	}
wim	32:59c4b8f648d4	1438
wim	30:033048611c01	1439	// Should never get here.
wim	30:033048611c01	1440	default:
wim	30:033048611c01	1441	return 0x00;
wim	32:59c4b8f648d4	1442
wim	32:59c4b8f648d4	1443	} // switch _addr_mode
wim	30:033048611c01	1444	}
wim	30:033048611c01	1445
wim	30:033048611c01	1446
wim	29:a3663151aa65	1447	/** Set the memoryaddress of screen column and row location
wim	29:a3663151aa65	1448	*
wim	29:a3663151aa65	1449	* @param column The horizontal position from the left, indexed from 0
wim	29:a3663151aa65	1450	* @param row The vertical position from the top, indexed from 0
wim	29:a3663151aa65	1451	*/
wim	21:9eb628d9e164	1452	void TextLCD_Base::setAddress(int column, int row) {
wim	15:b70ebfffb258	1453
wim	15:b70ebfffb258	1454	// Sanity Check column
wim	15:b70ebfffb258	1455	if (column < 0) {
wim	15:b70ebfffb258	1456	_column = 0;
wim	15:b70ebfffb258	1457	}
wim	15:b70ebfffb258	1458	else if (column >= columns()) {
wim	15:b70ebfffb258	1459	_column = columns() - 1;
wim	15:b70ebfffb258	1460	} else _column = column;
wim	8:03116f75b66e	1461
wim	15:b70ebfffb258	1462	// Sanity Check row
wim	15:b70ebfffb258	1463	if (row < 0) {
wim	15:b70ebfffb258	1464	_row = 0;
wim	15:b70ebfffb258	1465	}
wim	15:b70ebfffb258	1466	else if (row >= rows()) {
wim	15:b70ebfffb258	1467	_row = rows() - 1;
wim	15:b70ebfffb258	1468	} else _row = row;
wim	15:b70ebfffb258	1469
wim	15:b70ebfffb258	1470
wim	15:b70ebfffb258	1471	// Compute the memory address
wim	15:b70ebfffb258	1472	// For LCD40x4: switch controllers if needed
wim	15:b70ebfffb258	1473	// switch cursor if needed
wim	15:b70ebfffb258	1474	int addr = getAddress(_column, _row);
wim	8:03116f75b66e	1475
wim	13:24506ba22480	1476	_writeCommand(0x80 \| addr);
wim	8:03116f75b66e	1477	}
simon	1:ac48b187213c	1478
wim	29:a3663151aa65	1479
wim	29:a3663151aa65	1480	/** Return the number of columns
wim	29:a3663151aa65	1481	*
wim	29:a3663151aa65	1482	* @param return The number of columns
wim	30:033048611c01	1483	*
wim	30:033048611c01	1484	* Note: some configurations are commented out because they have not yet been tested due to lack of hardware
wim	29:a3663151aa65	1485	*/
wim	21:9eb628d9e164	1486	int TextLCD_Base::columns() {
wim	30:033048611c01	1487
wim	30:033048611c01	1488	// Columns encoded in b7..b0
wim	30:033048611c01	1489	//return (_type & 0xFF);
wim	31:ef31cd8a00d1	1490	return _nr_cols;
simon	1:ac48b187213c	1491	}
simon	1:ac48b187213c	1492
wim	29:a3663151aa65	1493	/** Return the number of rows
wim	29:a3663151aa65	1494	*
wim	29:a3663151aa65	1495	* @param return The number of rows
wim	30:033048611c01	1496	*
wim	30:033048611c01	1497	* Note: some configurations are commented out because they have not yet been tested due to lack of hardware
wim	29:a3663151aa65	1498	*/
wim	21:9eb628d9e164	1499	int TextLCD_Base::rows() {
wim	30:033048611c01	1500
wim	30:033048611c01	1501	// Rows encoded in b15..b8
wim	30:033048611c01	1502	//return ((_type >> 8) & 0xFF);
wim	30:033048611c01	1503	return _nr_rows;
simon	1:ac48b187213c	1504	}
wim	10:dd9b3a696acd	1505
wim	29:a3663151aa65	1506	/** Set the Cursormode
wim	29:a3663151aa65	1507	*
wim	29:a3663151aa65	1508	* @param cursorMode The Cursor mode (CurOff_BlkOff, CurOn_BlkOff, CurOff_BlkOn, CurOn_BlkOn)
wim	29:a3663151aa65	1509	*/
wim	21:9eb628d9e164	1510	void TextLCD_Base::setCursor(LCDCursor cursorMode) {
wim	15:b70ebfffb258	1511
wim	17:652ab113bc2e	1512	// Save new cursor mode, needed when 2 controllers are in use or when display is switched off/on
wim	17:652ab113bc2e	1513	_currentCursor = cursorMode;
wim	10:dd9b3a696acd	1514
wim	17:652ab113bc2e	1515	// Configure only current LCD controller
wim	31:ef31cd8a00d1	1516	_setCursorAndDisplayMode(_currentMode, _currentCursor);
wim	15:b70ebfffb258	1517	}
wim	15:b70ebfffb258	1518
wim	29:a3663151aa65	1519	/** Set the Displaymode
wim	29:a3663151aa65	1520	*
wim	29:a3663151aa65	1521	* @param displayMode The Display mode (DispOff, DispOn)
wim	29:a3663151aa65	1522	*/
wim	21:9eb628d9e164	1523	void TextLCD_Base::setMode(LCDMode displayMode) {
wim	17:652ab113bc2e	1524
wim	17:652ab113bc2e	1525	// Save new displayMode, needed when 2 controllers are in use or when cursor is changed
wim	17:652ab113bc2e	1526	_currentMode = displayMode;
wim	15:b70ebfffb258	1527
wim	17:652ab113bc2e	1528	// Select and configure second LCD controller when needed
wim	17:652ab113bc2e	1529	if(_type==LCD40x4) {
wim	21:9eb628d9e164	1530	if (_ctrl_idx==_LCDCtrl_0) {
wim	17:652ab113bc2e	1531	// Configure primary LCD controller
wim	17:652ab113bc2e	1532	_setCursorAndDisplayMode(_currentMode, _currentCursor);
wim	11:9ec02df863a1	1533
wim	17:652ab113bc2e	1534	// Select 2nd controller
wim	21:9eb628d9e164	1535	_ctrl_idx=_LCDCtrl_1;
wim	17:652ab113bc2e	1536
wim	17:652ab113bc2e	1537	// Configure secondary LCD controller
wim	21:9eb628d9e164	1538	_setCursorAndDisplayMode(_currentMode, CurOff_BlkOff);
wim	11:9ec02df863a1	1539
wim	17:652ab113bc2e	1540	// Restore current controller
wim	21:9eb628d9e164	1541	_ctrl_idx=_LCDCtrl_0;
wim	17:652ab113bc2e	1542	}
wim	17:652ab113bc2e	1543	else {
wim	17:652ab113bc2e	1544	// Select primary controller
wim	21:9eb628d9e164	1545	_ctrl_idx=_LCDCtrl_0;
wim	17:652ab113bc2e	1546
wim	17:652ab113bc2e	1547	// Configure primary LCD controller
wim	21:9eb628d9e164	1548	_setCursorAndDisplayMode(_currentMode, CurOff_BlkOff);
wim	17:652ab113bc2e	1549
wim	17:652ab113bc2e	1550	// Restore current controller
wim	21:9eb628d9e164	1551	_ctrl_idx=_LCDCtrl_1;
wim	11:9ec02df863a1	1552
wim	17:652ab113bc2e	1553	// Configure secondary LCD controller
wim	17:652ab113bc2e	1554	_setCursorAndDisplayMode(_currentMode, _currentCursor);
wim	10:dd9b3a696acd	1555	}
wim	17:652ab113bc2e	1556	}
wim	17:652ab113bc2e	1557	else {
wim	17:652ab113bc2e	1558	// Configure primary LCD controller
wim	17:652ab113bc2e	1559	_setCursorAndDisplayMode(_currentMode, _currentCursor);
wim	30:033048611c01	1560	}
wim	17:652ab113bc2e	1561	}
wim	17:652ab113bc2e	1562
wim	17:652ab113bc2e	1563
wim	29:a3663151aa65	1564	/** Low level method to restore the cursortype and display mode for current controller
wim	29:a3663151aa65	1565	*/
wim	21:9eb628d9e164	1566	void TextLCD_Base::_setCursorAndDisplayMode(LCDMode displayMode, LCDCursor cursorType) {
wim	17:652ab113bc2e	1567
wim	17:652ab113bc2e	1568	// Configure current LCD controller
wim	17:652ab113bc2e	1569	_writeCommand(0x08 \| displayMode \| cursorType);
wim	10:dd9b3a696acd	1570	}
wim	10:dd9b3a696acd	1571
wim	29:a3663151aa65	1572	/** Set the Backlight mode
wim	29:a3663151aa65	1573	*
wim	29:a3663151aa65	1574	* @param backlightMode The Backlight mode (LightOff, LightOn)
wim	29:a3663151aa65	1575	*/
wim	21:9eb628d9e164	1576	void TextLCD_Base::setBacklight(LCDBacklight backlightMode) {
wim	20:e0da005a777f	1577
wim	35:311be6444a39	1578	#if (BACKLIGHT_INV==0)
wim	35:311be6444a39	1579	// Positive Backlight control pin logic
wim	20:e0da005a777f	1580	if (backlightMode == LightOn) {
wim	35:311be6444a39	1581	this->_setBL(true);
wim	20:e0da005a777f	1582	}
wim	20:e0da005a777f	1583	else {
wim	21:9eb628d9e164	1584	this->_setBL(false);
wim	20:e0da005a777f	1585	}
wim	35:311be6444a39	1586	#else
wim	35:311be6444a39	1587	// Inverted Backlight control pin logic
wim	35:311be6444a39	1588	if (backlightMode == LightOn) {
wim	35:311be6444a39	1589	this->_setBL(false);
wim	35:311be6444a39	1590	}
wim	35:311be6444a39	1591	else {
wim	35:311be6444a39	1592	this->_setBL(true);
wim	35:311be6444a39	1593	}
wim	35:311be6444a39	1594	#endif
wim	20:e0da005a777f	1595	}
wim	20:e0da005a777f	1596
wim	29:a3663151aa65	1597	/** Set User Defined Characters
wim	29:a3663151aa65	1598	*
wim	34:e5a0dcb43ecc	1599	* @param unsigned char c The Index of the UDC (0..7) for HD44780 or clones and (0..15) for some more advanced controllers
wim	34:e5a0dcb43ecc	1600	* @param char *udc_data The bitpatterns for the UDC (8 bytes of 5 significant bits for bitpattern and 3 bits for blinkmode (advanced types))
wim	29:a3663151aa65	1601	*/
wim	21:9eb628d9e164	1602	void TextLCD_Base::setUDC(unsigned char c, char *udc_data) {
wim	15:b70ebfffb258	1603
wim	15:b70ebfffb258	1604	// Select and configure second LCD controller when needed
wim	15:b70ebfffb258	1605	if(_type==LCD40x4) {
wim	19:c747b9e2e7b8	1606	_LCDCtrl_Idx current_ctrl_idx = _ctrl_idx; // Temp save current controller
wim	15:b70ebfffb258	1607
wim	15:b70ebfffb258	1608	// Select primary controller
wim	21:9eb628d9e164	1609	_ctrl_idx=_LCDCtrl_0;
wim	15:b70ebfffb258	1610
wim	15:b70ebfffb258	1611	// Configure primary LCD controller
wim	15:b70ebfffb258	1612	_setUDC(c, udc_data);
wim	15:b70ebfffb258	1613
wim	15:b70ebfffb258	1614	// Select 2nd controller
wim	21:9eb628d9e164	1615	_ctrl_idx=_LCDCtrl_1;
wim	15:b70ebfffb258	1616
wim	15:b70ebfffb258	1617	// Configure secondary LCD controller
wim	15:b70ebfffb258	1618	_setUDC(c, udc_data);
wim	11:9ec02df863a1	1619
wim	15:b70ebfffb258	1620	// Restore current controller
wim	19:c747b9e2e7b8	1621	_ctrl_idx=current_ctrl_idx;
wim	15:b70ebfffb258	1622	}
wim	15:b70ebfffb258	1623	else {
wim	15:b70ebfffb258	1624	// Configure primary LCD controller
wim	15:b70ebfffb258	1625	_setUDC(c, udc_data);
wim	34:e5a0dcb43ecc	1626	}
wim	15:b70ebfffb258	1627	}
wim	15:b70ebfffb258	1628
wim	34:e5a0dcb43ecc	1629	/** Low level method to store user defined characters for current controller
wim	34:e5a0dcb43ecc	1630	*
wim	34:e5a0dcb43ecc	1631	* @param unsigned char c The Index of the UDC (0..7) for HD44780 clones and (0..15) for some more advanced controllers
wim	34:e5a0dcb43ecc	1632	* @param char *udc_data The bitpatterns for the UDC (8 bytes of 5 significant bits for bitpattern and 3 bits for blinkmode (advanced types))
wim	34:e5a0dcb43ecc	1633	*/
wim	34:e5a0dcb43ecc	1634	void TextLCD_Base::_setUDC(unsigned char c, char *udc_data) {
wim	34:e5a0dcb43ecc	1635
wim	34:e5a0dcb43ecc	1636	switch (_ctrl) {
wim	34:e5a0dcb43ecc	1637	case PCF2103_3V3 : // Some UDCs may be used for Icons
wim	34:e5a0dcb43ecc	1638	case PCF2113_3V3 : // Some UDCs may be used for Icons
wim	34:e5a0dcb43ecc	1639	case PCF2116_3V3 :
wim	34:e5a0dcb43ecc	1640	case PCF2116_5V :
wim	34:e5a0dcb43ecc	1641	case PCF2119_3V3 : // Some UDCs may be used for Icons
wim	34:e5a0dcb43ecc	1642	c = c & 0x0F; // mask down to valid range
wim	34:e5a0dcb43ecc	1643	break;
wim	34:e5a0dcb43ecc	1644
wim	34:e5a0dcb43ecc	1645	default:
wim	34:e5a0dcb43ecc	1646	c = c & 0x07; // mask down to valid range
wim	34:e5a0dcb43ecc	1647	break;
wim	34:e5a0dcb43ecc	1648	} //switch _ctrl
wim	34:e5a0dcb43ecc	1649
wim	34:e5a0dcb43ecc	1650	// Select DD RAM for current LCD controller
wim	34:e5a0dcb43ecc	1651	// This is needed to correctly set Bit 6 of the addresspointer for controllers that support 16 UDCs
wim	34:e5a0dcb43ecc	1652	_writeCommand(0x80 \| ((c << 3) & 0x40)) ;
wim	34:e5a0dcb43ecc	1653
wim	34:e5a0dcb43ecc	1654	// Select CG RAM for current LCD controller
wim	34:e5a0dcb43ecc	1655	_writeCommand(0x40 \| ((c << 3) & 0x3F)); //Set CG-RAM address, (note that Bit 6 is retained and can not be set by this command !)
wim	34:e5a0dcb43ecc	1656	//8 sequential locations needed per UDC
wim	34:e5a0dcb43ecc	1657	// Store UDC pattern
wim	34:e5a0dcb43ecc	1658	for (int i=0; i<8; i++) {
wim	34:e5a0dcb43ecc	1659	_writeData(*udc_data++);
wim	34:e5a0dcb43ecc	1660	}
wim	34:e5a0dcb43ecc	1661
wim	34:e5a0dcb43ecc	1662	//Select DD RAM again for current LCD controller and restore the addresspointer
wim	34:e5a0dcb43ecc	1663	int addr = getAddress(_column, _row);
wim	34:e5a0dcb43ecc	1664	_writeCommand(0x80 \| addr);
wim	34:e5a0dcb43ecc	1665	}
wim	32:59c4b8f648d4	1666
wim	33:900a94bc7585	1667	/** Set UDC Blink
wim	33:900a94bc7585	1668	* setUDCBlink method is supported by some compatible devices (eg SSD1803)
wim	33:900a94bc7585	1669	*
wim	33:900a94bc7585	1670	* @param blinkMode The Blink mode (BlinkOff, BlinkOn)
wim	33:900a94bc7585	1671	*/
wim	33:900a94bc7585	1672	void TextLCD_Base::setUDCBlink(LCDBlink blinkMode){
wim	33:900a94bc7585	1673	// Blinking UDCs are enabled when a specific controlbit (BE) is set.
wim	33:900a94bc7585	1674	// The blinking pixels in the UDC can be controlled by setting additional bits in the UDC bitpattern.
wim	33:900a94bc7585	1675	// UDCs are defined by an 8 byte bitpattern. The P0..P5 form the character pattern.
wim	33:900a94bc7585	1676	// P7 P6 P5 P4 P3 P2 P1 P0
wim	33:900a94bc7585	1677	// 0 B1 B0 x 0 1 1 1 0
wim	33:900a94bc7585	1678	// 1 B1 B0 x 1 0 0 0 1
wim	33:900a94bc7585	1679	// .............
wim	33:900a94bc7585	1680	// 7 B1 B0 x 1 0 0 0 1
wim	33:900a94bc7585	1681	//
wim	33:900a94bc7585	1682	// Bit 6 and Bit 7 in the pattern will control the blinking mode when Blink is enabled through BE.
wim	33:900a94bc7585	1683	// B1 B0 Mode
wim	33:900a94bc7585	1684	// 0 0 No Blinking in this row of the UDC
wim	33:900a94bc7585	1685	// 0 1 Enabled pixels in P4 will blink
wim	33:900a94bc7585	1686	// 1 x Enabled pixels in P0..P4 will blink
wim	33:900a94bc7585	1687
wim	33:900a94bc7585	1688	switch (blinkMode) {
wim	33:900a94bc7585	1689	case BlinkOn:
wim	33:900a94bc7585	1690	// Controllers that support UDC Blink
wim	33:900a94bc7585	1691	switch (_ctrl) {
wim	33:900a94bc7585	1692	case KS0078 :
wim	33:900a94bc7585	1693	_function_1 \|= 0x02; // Enable UDC Blink
wim	33:900a94bc7585	1694	_writeCommand(0x20 \| _function_1); // Function set 0 0 1 DL N RE(1) BE 0 (Ext Regs)
wim	33:900a94bc7585	1695
wim	33:900a94bc7585	1696	_writeCommand(0x20 \| _function); // Function set 0 0 1 DL N RE(0) DH REV (Std Regs)
wim	33:900a94bc7585	1697	break; // case KS0078 Controller
wim	33:900a94bc7585	1698
wim	33:900a94bc7585	1699	case US2066_3V3 :
wim	33:900a94bc7585	1700	case SSD1803_3V3 :
wim	33:900a94bc7585	1701	_function_1 \|= 0x04; // Enable UDC Blink
wim	33:900a94bc7585	1702	_writeCommand(0x20 \| _function_1); // Set function, 0 0 1 DL N BE RE(1) REV
wim	33:900a94bc7585	1703	// Select Ext Instr Set
wim	33:900a94bc7585	1704
wim	33:900a94bc7585	1705	_writeCommand(0x20 \| _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0
wim	33:900a94bc7585	1706	// Select Std Instr set, Select IS=0
wim	33:900a94bc7585	1707	break; // case SSD1803, US2066
wim	33:900a94bc7585	1708
wim	33:900a94bc7585	1709	default:
wim	33:900a94bc7585	1710	//Unsupported feature for other controllers
wim	33:900a94bc7585	1711	break;
wim	33:900a94bc7585	1712	} //switch _ctrl
wim	33:900a94bc7585	1713
wim	33:900a94bc7585	1714	break;
wim	33:900a94bc7585	1715
wim	33:900a94bc7585	1716	case BlinkOff:
wim	33:900a94bc7585	1717	// Controllers that support UDC Blink
wim	33:900a94bc7585	1718	switch (_ctrl) {
wim	33:900a94bc7585	1719	case KS0078 :
wim	33:900a94bc7585	1720	_function_1 &= ~0x02; // Disable UDC Blink
wim	33:900a94bc7585	1721	_writeCommand(0x20 \| _function_1); // Function set 0 0 1 DL N RE(1) BE 0 (Ext Regs)
wim	33:900a94bc7585	1722
wim	33:900a94bc7585	1723	_writeCommand(0x20 \| _function); // Function set 0 0 1 DL N RE(0) DH REV (Std Regs)
wim	33:900a94bc7585	1724	break; // case KS0078 Controller
wim	33:900a94bc7585	1725
wim	33:900a94bc7585	1726	case US2066_3V3 :
wim	33:900a94bc7585	1727	case SSD1803_3V3 :
wim	33:900a94bc7585	1728	_function_1 &= ~0x04; // Disable UDC Blink
wim	33:900a94bc7585	1729	_writeCommand(0x20 \| _function_1); // Set function, 0 0 1 DL N BE RE(1) REV
wim	33:900a94bc7585	1730	// Select Ext Instr Set
wim	33:900a94bc7585	1731
wim	33:900a94bc7585	1732	_writeCommand(0x20 \| _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0
wim	33:900a94bc7585	1733	// Select Std Instr set, Select IS=0
wim	33:900a94bc7585	1734	break; // case SSD1803, US2066
wim	33:900a94bc7585	1735
wim	33:900a94bc7585	1736	default:
wim	33:900a94bc7585	1737	//Unsupported feature for other controllers
wim	33:900a94bc7585	1738	break;
wim	33:900a94bc7585	1739	} //switch _ctrl
wim	33:900a94bc7585	1740
wim	33:900a94bc7585	1741	break;
wim	33:900a94bc7585	1742
wim	33:900a94bc7585	1743	default:
wim	33:900a94bc7585	1744	break;
wim	33:900a94bc7585	1745	} // blinkMode
wim	33:900a94bc7585	1746
wim	33:900a94bc7585	1747	} // setUDCBlink()
wim	33:900a94bc7585	1748
wim	33:900a94bc7585	1749
wim	32:59c4b8f648d4	1750	/** Set Contrast
wim	32:59c4b8f648d4	1751	* setContrast method is supported by some compatible devices (eg ST7032i) that have onboard LCD voltage generation
wim	32:59c4b8f648d4	1752	* Initial code for ST70XX imported from fork by JH1PJL
wim	32:59c4b8f648d4	1753	*
wim	32:59c4b8f648d4	1754	* @param unsigned char c contrast data (6 significant bits, valid range 0..63, Value 0 will disable the Vgen)
wim	32:59c4b8f648d4	1755	* @return none
wim	32:59c4b8f648d4	1756	*/
wim	32:59c4b8f648d4	1757	//@TODO Add support for 40x4 dual controller
wim	32:59c4b8f648d4	1758	void TextLCD_Base::setContrast(unsigned char c) {
wim	32:59c4b8f648d4	1759
wim	32:59c4b8f648d4	1760	// Function set mode stored during Init. Make sure we dont accidentally switch between 1-line and 2-line mode!
wim	32:59c4b8f648d4	1761	// Icon/Booster mode stored during Init. Make sure we dont accidentally change this!
wim	32:59c4b8f648d4	1762
wim	32:59c4b8f648d4	1763	_contrast = c & 0x3F; // Sanity check
wim	32:59c4b8f648d4	1764
wim	33:900a94bc7585	1765	switch (_ctrl) {
wim	32:59c4b8f648d4	1766	case PCF2113_3V3 :
wim	32:59c4b8f648d4	1767	case PCF2119_3V3 :
wim	32:59c4b8f648d4	1768	if (_contrast < 5) _contrast = 0; // See datasheet. Sanity check for PCF2113/PCF2119
wim	32:59c4b8f648d4	1769	if (_contrast > 55) _contrast = 55;
wim	32:59c4b8f648d4	1770
wim	32:59c4b8f648d4	1771	_writeCommand(0x20 \| _function \| 0x01); // Set function, Select Instruction Set = 1
wim	32:59c4b8f648d4	1772	_writeCommand(0x80 \| 0x00 \| (_contrast & 0x3F)); // VLCD_set (Instr. Set 1) V=0, VA=contrast
wim	32:59c4b8f648d4	1773	_writeCommand(0x80 \| 0x40 \| (_contrast & 0x3F)); // VLCD_set (Instr. Set 1) V=1, VB=contrast
wim	32:59c4b8f648d4	1774	_writeCommand(0x20 \| _function); // Select Instruction Set = 0
wim	32:59c4b8f648d4	1775	break;
wim	32:59c4b8f648d4	1776
wim	32:59c4b8f648d4	1777	case ST7032_3V3 :
wim	32:59c4b8f648d4	1778	case ST7032_5V :
wim	32:59c4b8f648d4	1779	case ST7036_3V3 :
wim	32:59c4b8f648d4	1780	// case ST7036_5V :
wim	32:59c4b8f648d4	1781	case SSD1803_3V3 :
wim	32:59c4b8f648d4	1782	_writeCommand(0x20 \| _function \| 0x01); // Select Instruction Set = 1
wim	32:59c4b8f648d4	1783	_writeCommand(0x70 \| (_contrast & 0x0F)); // Contrast Low bits
wim	32:59c4b8f648d4	1784	_writeCommand(0x50 \| _icon_power \| ((_contrast >> 4) & 0x03)); // Contrast High bits
wim	32:59c4b8f648d4	1785	_writeCommand(0x20 \| _function); // Select Instruction Set = 0
wim	32:59c4b8f648d4	1786	break;
wim	32:59c4b8f648d4	1787
wim	33:900a94bc7585	1788	case US2066_3V3 :
wim	33:900a94bc7585	1789	_writeCommand(0x20 \| _function_1); // Set function, 0 0 1 DL N BE RE(1) REV
wim	33:900a94bc7585	1790	// Select Extended Instruction Set
wim	33:900a94bc7585	1791
wim	33:900a94bc7585	1792	_writeCommand(0x79); // Function Select OLED: 0 1 1 1 1 0 0 1 (Ext Instr Set)
wim	33:900a94bc7585	1793
wim	33:900a94bc7585	1794	_writeCommand(0x81); // Set Contrast Control: 1 0 0 0 0 0 0 1 (Ext Instr Set, OLED)
wim	33:900a94bc7585	1795	_writeCommand((_contrast << 2) \| 0x03); // Set Contrast Value: 8 bits. Use 6 bits for compatibility
wim	33:900a94bc7585	1796
wim	33:900a94bc7585	1797	_writeCommand(0x78); // Function Disable OLED: 0 1 1 1 1 0 0 0 (Ext Instr Set)
wim	33:900a94bc7585	1798
wim	33:900a94bc7585	1799	_writeCommand(0x20 \| _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0
wim	33:900a94bc7585	1800	// Select Std Instr set, Select IS=0
wim	33:900a94bc7585	1801	break;
wim	33:900a94bc7585	1802
wim	34:e5a0dcb43ecc	1803	//not yet tested on hardware
wim	32:59c4b8f648d4	1804	case PT6314 :
wim	32:59c4b8f648d4	1805	// Only 2 significant bits
wim	32:59c4b8f648d4	1806	// 0x00 = 100%
wim	32:59c4b8f648d4	1807	// 0x01 = 75%
wim	32:59c4b8f648d4	1808	// 0x02 = 50%
wim	32:59c4b8f648d4	1809	// 0x03 = 25%
wim	32:59c4b8f648d4	1810	_writeCommand(0x20 \| _function \| ((~_contrast) >> 4)); // Invert and shift to use 2 MSBs
wim	32:59c4b8f648d4	1811	break;
wim	32:59c4b8f648d4	1812
wim	32:59c4b8f648d4	1813	default:
wim	32:59c4b8f648d4	1814	//Unsupported feature for other controllers
wim	33:900a94bc7585	1815	break;
wim	33:900a94bc7585	1816	} // end switch
wim	33:900a94bc7585	1817	} // end setContrast()
wim	32:59c4b8f648d4	1818
wim	32:59c4b8f648d4	1819
wim	32:59c4b8f648d4	1820	/** Set Power
wim	32:59c4b8f648d4	1821	* setPower method is supported by some compatible devices (eg SSD1803) that have power down modes
wim	32:59c4b8f648d4	1822	*
wim	32:59c4b8f648d4	1823	* @param bool powerOn Power on/off
wim	32:59c4b8f648d4	1824	* @return none
wim	32:59c4b8f648d4	1825	*/
wim	32:59c4b8f648d4	1826	//@TODO Add support for 40x4 dual controller
wim	32:59c4b8f648d4	1827	void TextLCD_Base::setPower(bool powerOn) {
wim	32:59c4b8f648d4	1828
wim	32:59c4b8f648d4	1829	if (powerOn) {
wim	32:59c4b8f648d4	1830	// Switch on
wim	32:59c4b8f648d4	1831	setMode(DispOn);
wim	32:59c4b8f648d4	1832
wim	32:59c4b8f648d4	1833	// Controllers that supports specific Power Down mode
wim	32:59c4b8f648d4	1834	switch (_ctrl) {
wim	32:59c4b8f648d4	1835
wim	32:59c4b8f648d4	1836	// case PCF2113_3V3 :
wim	32:59c4b8f648d4	1837	// case PCF2119_3V3 :
wim	32:59c4b8f648d4	1838	// case ST7032_3V3 :
wim	32:59c4b8f648d4	1839	//@todo
wim	33:900a94bc7585	1840	// enable Booster Bon
wim	33:900a94bc7585	1841
wim	33:900a94bc7585	1842	case WS0010:
wim	33:900a94bc7585	1843	_writeCommand(0x17); // Char mode, DC/DC on
wim	33:900a94bc7585	1844	wait_ms(10); // Wait 10ms to ensure powered up
wim	33:900a94bc7585	1845	break;
wim	33:900a94bc7585	1846
wim	33:900a94bc7585	1847	case KS0078:
wim	32:59c4b8f648d4	1848	case SSD1803_3V3 :
wim	32:59c4b8f648d4	1849	// case SSD1803_5V :
wim	33:900a94bc7585	1850	_writeCommand(0x20 \| _function_1); // Select Ext Instr Set
wim	33:900a94bc7585	1851	_writeCommand(0x02); // Power On
wim	32:59c4b8f648d4	1852	_writeCommand(0x20 \| _function); // Select Std Instr Set
wim	32:59c4b8f648d4	1853	break;
wim	32:59c4b8f648d4	1854
wim	32:59c4b8f648d4	1855	default:
wim	32:59c4b8f648d4	1856	//Unsupported feature for other controllers
wim	32:59c4b8f648d4	1857	break;
wim	32:59c4b8f648d4	1858	} // end switch
wim	32:59c4b8f648d4	1859	}
wim	32:59c4b8f648d4	1860	else {
wim	32:59c4b8f648d4	1861	// Switch off
wim	32:59c4b8f648d4	1862	setMode(DispOff);
wim	32:59c4b8f648d4	1863
wim	32:59c4b8f648d4	1864	// Controllers that support specific Power Down mode
wim	32:59c4b8f648d4	1865	switch (_ctrl) {
wim	32:59c4b8f648d4	1866
wim	32:59c4b8f648d4	1867	// case PCF2113_3V3 :
wim	32:59c4b8f648d4	1868	// case PCF2119_3V3 :
wim	32:59c4b8f648d4	1869	// case ST7032_3V3 :
wim	32:59c4b8f648d4	1870	//@todo
wim	33:900a94bc7585	1871	// disable Booster Bon
wim	33:900a94bc7585	1872
wim	33:900a94bc7585	1873	case WS0010:
wim	33:900a94bc7585	1874	_writeCommand(0x13); // Char mode, DC/DC off
wim	33:900a94bc7585	1875	break;
wim	33:900a94bc7585	1876
wim	33:900a94bc7585	1877	case KS0078:
wim	32:59c4b8f648d4	1878	case SSD1803_3V3 :
wim	32:59c4b8f648d4	1879	// case SSD1803_5V :
wim	33:900a94bc7585	1880	_writeCommand(0x20 \| _function_1); // Select Ext Instr Set
wim	33:900a94bc7585	1881	_writeCommand(0x03); // Power Down
wim	32:59c4b8f648d4	1882	_writeCommand(0x20 \| _function); // Select Std Instr Set
wim	32:59c4b8f648d4	1883	break;
wim	32:59c4b8f648d4	1884
wim	32:59c4b8f648d4	1885	default:
wim	32:59c4b8f648d4	1886	//Unsupported feature for other controllers
wim	32:59c4b8f648d4	1887	break;
wim	32:59c4b8f648d4	1888	} // end switch
wim	32:59c4b8f648d4	1889	}
wim	33:900a94bc7585	1890	} // end setPower()
wim	33:900a94bc7585	1891
wim	33:900a94bc7585	1892
wim	33:900a94bc7585	1893	/** Set Orient
wim	33:900a94bc7585	1894	* setOrient method is supported by some compatible devices (eg SSD1803, US2066) that have top/bottom view modes
wim	33:900a94bc7585	1895	*
wim	33:900a94bc7585	1896	* @param LCDOrient orient Orientation
wim	33:900a94bc7585	1897	* @return none
wim	33:900a94bc7585	1898	*/
wim	33:900a94bc7585	1899	void TextLCD_Base::setOrient(LCDOrient orient){
wim	33:900a94bc7585	1900
wim	33:900a94bc7585	1901	switch (orient) {
wim	33:900a94bc7585	1902
wim	33:900a94bc7585	1903	case Top:
wim	33:900a94bc7585	1904	switch (_ctrl) {
wim	34:e5a0dcb43ecc	1905	case PCF2103_3V3:
wim	34:e5a0dcb43ecc	1906	case PCF2116_3V3:
wim	34:e5a0dcb43ecc	1907	case PCF2116_5V:
wim	34:e5a0dcb43ecc	1908	case PCF2119_3V3:
wim	34:e5a0dcb43ecc	1909	_writeCommand(0x20 \| _function \| 0x01); // Set function, Select Instr Set = 1
wim	34:e5a0dcb43ecc	1910	_writeCommand(0x05); // Display Conf Set 0000 0, 1, P=0, Q=1 (Instr. Set 1)
wim	34:e5a0dcb43ecc	1911	_writeCommand(0x20 \| _function); // Set function, Select Instr Set = 0
wim	34:e5a0dcb43ecc	1912	break;
wim	34:e5a0dcb43ecc	1913
wim	33:900a94bc7585	1914	case SSD1803_3V3 :
wim	33:900a94bc7585	1915	// case SSD1803_5V :
wim	33:900a94bc7585	1916	case US2066_3V3 :
wim	33:900a94bc7585	1917	_writeCommand(0x20 \| _function_1); // Set function, 0 0 1 X N BE RE(1) REV
wim	33:900a94bc7585	1918	// Select Extended Instruction Set
wim	33:900a94bc7585	1919	// _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)
wim	33:900a94bc7585	1920	_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)
wim	33:900a94bc7585	1921
wim	33:900a94bc7585	1922	_writeCommand(0x20 \| _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0
wim	33:900a94bc7585	1923	// Select Std Instr set, Select IS=0
wim	33:900a94bc7585	1924	break;
wim	33:900a94bc7585	1925
wim	33:900a94bc7585	1926	default:
wim	33:900a94bc7585	1927	//Unsupported feature for other controllers
wim	33:900a94bc7585	1928	break;
wim	33:900a94bc7585	1929
wim	33:900a94bc7585	1930	} // end switch _ctrl
wim	33:900a94bc7585	1931	break; // end Top
wim	33:900a94bc7585	1932
wim	33:900a94bc7585	1933	case Bottom:
wim	33:900a94bc7585	1934	switch (_ctrl) {
wim	34:e5a0dcb43ecc	1935	case PCF2103_3V3:
wim	34:e5a0dcb43ecc	1936	case PCF2116_3V3:
wim	34:e5a0dcb43ecc	1937	case PCF2116_5V:
wim	34:e5a0dcb43ecc	1938	case PCF2119_3V3:
wim	34:e5a0dcb43ecc	1939	_writeCommand(0x20 \| _function \| 0x01); // Set function, Select Instr Set = 1
wim	34:e5a0dcb43ecc	1940	_writeCommand(0x06); // Display Conf Set 0000 0, 1, P=1, Q=0 (Instr. Set 1)
wim	34:e5a0dcb43ecc	1941	_writeCommand(0x20 \| _function); // Set function, Select Instr Set = 0
wim	34:e5a0dcb43ecc	1942	break;
wim	34:e5a0dcb43ecc	1943
wim	33:900a94bc7585	1944	case SSD1803_3V3 :
wim	33:900a94bc7585	1945	// case SSD1803_5V :
wim	33:900a94bc7585	1946	case US2066_3V3 :
wim	33:900a94bc7585	1947	_writeCommand(0x20 \| _function_1); // Set function, 0 0 1 X N BE RE(1) REV
wim	33:900a94bc7585	1948	// Select Extended Instruction Set
wim	33:900a94bc7585	1949	_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)
wim	33:900a94bc7585	1950	// _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)
wim	33:900a94bc7585	1951
wim	33:900a94bc7585	1952	_writeCommand(0x20 \| _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0
wim	33:900a94bc7585	1953	// Select Std Instr set, Select IS=0
wim	33:900a94bc7585	1954	break;
wim	33:900a94bc7585	1955
wim	33:900a94bc7585	1956	default:
wim	33:900a94bc7585	1957	//Unsupported feature for other controllers
wim	33:900a94bc7585	1958	break;
wim	33:900a94bc7585	1959
wim	33:900a94bc7585	1960	} // end switch _ctrl
wim	33:900a94bc7585	1961
wim	33:900a94bc7585	1962	break; // end Bottom
wim	33:900a94bc7585	1963	} // end switch orient
wim	33:900a94bc7585	1964	} // end setOrient()
wim	33:900a94bc7585	1965
wim	33:900a94bc7585	1966
wim	34:e5a0dcb43ecc	1967	/** Set Big Font
wim	34:e5a0dcb43ecc	1968	* setBigFont method is supported by some compatible devices (eg SSD1803, US2066)
wim	34:e5a0dcb43ecc	1969	*
wim	34:e5a0dcb43ecc	1970	* @param lines The selected Big Font lines (None, TopLine, CenterLine, BottomLine, TopBottomLine)
wim	34:e5a0dcb43ecc	1971	* Double height characters can be shown on lines 1+2, 2+3, 3+4 or 1+2 and 3+4
wim	34:e5a0dcb43ecc	1972	* Valid double height lines depend on the LCDs number of rows.
wim	34:e5a0dcb43ecc	1973	*/
wim	34:e5a0dcb43ecc	1974	void TextLCD_Base::setBigFont(LCDBigFont lines) {
wim	34:e5a0dcb43ecc	1975
wim	34:e5a0dcb43ecc	1976	switch (lines) {
wim	34:e5a0dcb43ecc	1977	case None:
wim	34:e5a0dcb43ecc	1978	switch (_ctrl) {
wim	34:e5a0dcb43ecc	1979	case SSD1803_3V3 :
wim	34:e5a0dcb43ecc	1980	case US2066_3V3 :
wim	34:e5a0dcb43ecc	1981	_writeCommand(0x20 \| _function_1); // Set function, 0 0 1 X N BE RE(1) REV
wim	34:e5a0dcb43ecc	1982	// Select Extended Instruction Set
wim	34:e5a0dcb43ecc	1983	_writeCommand(0x1C); // Double Height, 0 0 0 1 UD2=1, UD1=1, X, DH'=0 (Ext Instr Set)
wim	34:e5a0dcb43ecc	1984	// Default
wim	34:e5a0dcb43ecc	1985	_function = _function & ~0x04; // Set function, 0 0 1 DL N DH=0 RE(0) IS=0 Select Instruction Set 0
wim	34:e5a0dcb43ecc	1986	_writeCommand(0x20 \| _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0
wim	34:e5a0dcb43ecc	1987	// Select Std Instr set, Select IS=0
wim	34:e5a0dcb43ecc	1988	break; // end US2066
wim	34:e5a0dcb43ecc	1989
wim	34:e5a0dcb43ecc	1990	default:
wim	34:e5a0dcb43ecc	1991	break; // end default
wim	34:e5a0dcb43ecc	1992	} // end switch _ctrl
wim	34:e5a0dcb43ecc	1993	break; // end None
wim	34:e5a0dcb43ecc	1994
wim	34:e5a0dcb43ecc	1995	case TopLine:
wim	34:e5a0dcb43ecc	1996	if (_nr_rows < 2) return; //Sanity check
wim	34:e5a0dcb43ecc	1997
wim	34:e5a0dcb43ecc	1998	switch (_ctrl) {
wim	34:e5a0dcb43ecc	1999	case SSD1803_3V3 :
wim	34:e5a0dcb43ecc	2000	case US2066_3V3 :
wim	34:e5a0dcb43ecc	2001	_writeCommand(0x20 \| _function_1); // Set function, 0 0 1 X N BE RE(1) REV
wim	34:e5a0dcb43ecc	2002	// Select Extended Instruction Set
wim	34:e5a0dcb43ecc	2003	_writeCommand(0x1C); // Double Height, 0 0 0 1 UD2=1, UD1=1, X, DH'=0 (Ext Instr Set)
wim	34:e5a0dcb43ecc	2004	// Default
wim	34:e5a0dcb43ecc	2005	_function = _function \| 0x04; // Set function, 0 0 1 DL N DH=1 RE(0) IS=0 Select Instruction Set 0
wim	34:e5a0dcb43ecc	2006	_writeCommand(0x20 \| _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0
wim	34:e5a0dcb43ecc	2007	// Select Std Instr set, Select IS=0
wim	34:e5a0dcb43ecc	2008	break; // end US2066, SSD1803
wim	34:e5a0dcb43ecc	2009
wim	34:e5a0dcb43ecc	2010	default:
wim	34:e5a0dcb43ecc	2011	break; // end default
wim	34:e5a0dcb43ecc	2012	} // end switch _ctrl
wim	34:e5a0dcb43ecc	2013	break; // end TopLine
wim	34:e5a0dcb43ecc	2014
wim	34:e5a0dcb43ecc	2015	case CenterLine:
wim	34:e5a0dcb43ecc	2016	if (_nr_rows != 4) return; //Sanity check
wim	34:e5a0dcb43ecc	2017
wim	34:e5a0dcb43ecc	2018	switch (_ctrl) {
wim	34:e5a0dcb43ecc	2019	case SSD1803_3V3 :
wim	34:e5a0dcb43ecc	2020	case US2066_3V3 :
wim	34:e5a0dcb43ecc	2021	_writeCommand(0x20 \| _function_1); // Set function, 0 0 1 X N BE RE(1) REV
wim	34:e5a0dcb43ecc	2022	// Select Extended Instruction Set
wim	34:e5a0dcb43ecc	2023	_writeCommand(0x14); // Double Height, 0 0 0 1 UD2=0, UD1=1, X, DH'=0 (Ext Instr Set)
wim	34:e5a0dcb43ecc	2024	// Default
wim	34:e5a0dcb43ecc	2025	_function = _function \| 0x04; // Set function, 0 0 1 DL N DH=1 RE(0) IS=0 Select Instruction Set 0
wim	34:e5a0dcb43ecc	2026	_writeCommand(0x20 \| _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0
wim	34:e5a0dcb43ecc	2027	// Select Std Instr set, Select IS=0
wim	34:e5a0dcb43ecc	2028	break; // end US2066, SSD1803
wim	34:e5a0dcb43ecc	2029
wim	34:e5a0dcb43ecc	2030	default:
wim	34:e5a0dcb43ecc	2031	break; // end default
wim	34:e5a0dcb43ecc	2032	} // end switch _ctrl
wim	34:e5a0dcb43ecc	2033	break; // end CenterLine
wim	34:e5a0dcb43ecc	2034
wim	34:e5a0dcb43ecc	2035	case BottomLine:
wim	34:e5a0dcb43ecc	2036	if (_nr_rows < 3) return; //Sanity check
wim	34:e5a0dcb43ecc	2037
wim	34:e5a0dcb43ecc	2038	switch (_ctrl) {
wim	34:e5a0dcb43ecc	2039	case SSD1803_3V3 :
wim	34:e5a0dcb43ecc	2040	case US2066_3V3 :
wim	34:e5a0dcb43ecc	2041	_writeCommand(0x20 \| _function_1); // Set function, 0 0 1 X N BE RE(1) REV
wim	34:e5a0dcb43ecc	2042	// Select Extended Instruction Set
wim	34:e5a0dcb43ecc	2043	if (_nr_rows == 3) {
wim	34:e5a0dcb43ecc	2044	_writeCommand(0x14); // Double Height, 0 0 0 1 UD2=0, UD1=1, X, DH'=0 (Ext Instr Set)
wim	34:e5a0dcb43ecc	2045	}
wim	34:e5a0dcb43ecc	2046	else {
wim	34:e5a0dcb43ecc	2047	_writeCommand(0x10); // Double Height, 0 0 0 1 UD2=0, UD1=0, X, DH'=0 (Ext Instr Set)
wim	34:e5a0dcb43ecc	2048	}
wim	34:e5a0dcb43ecc	2049	_function = _function \| 0x04; // Set function, 0 0 1 DL N DH=1 RE(0) IS=0 Select Instruction Set 0
wim	34:e5a0dcb43ecc	2050	_writeCommand(0x20 \| _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0
wim	34:e5a0dcb43ecc	2051	// Select Std Instr set, Select IS=0
wim	34:e5a0dcb43ecc	2052	break; // end US2066, SSD1803
wim	34:e5a0dcb43ecc	2053
wim	34:e5a0dcb43ecc	2054	default:
wim	34:e5a0dcb43ecc	2055	break; // end default
wim	34:e5a0dcb43ecc	2056	} // end switch _ctrl
wim	34:e5a0dcb43ecc	2057	break; // end BottomLine
wim	34:e5a0dcb43ecc	2058
wim	34:e5a0dcb43ecc	2059	case TopBottomLine:
wim	34:e5a0dcb43ecc	2060	if (_nr_rows != 4) return; //Sanity check
wim	34:e5a0dcb43ecc	2061
wim	34:e5a0dcb43ecc	2062	switch (_ctrl) {
wim	34:e5a0dcb43ecc	2063	case SSD1803_3V3 :
wim	34:e5a0dcb43ecc	2064	case US2066_3V3 :
wim	34:e5a0dcb43ecc	2065	_writeCommand(0x20 \| _function_1); // Set function, 0 0 1 X N BE RE(1) REV
wim	34:e5a0dcb43ecc	2066	// Select Extended Instruction Set
wim	34:e5a0dcb43ecc	2067	_writeCommand(0x18); // Double Height, 0 0 0 1 UD2=1, UD1=0, X, DH'=0 (Ext Instr Set)
wim	34:e5a0dcb43ecc	2068	// Default
wim	34:e5a0dcb43ecc	2069	_function = _function \| 0x04; // Set function, 0 0 1 DL N DH=1 RE(0) IS=0 Select Instruction Set 0
wim	34:e5a0dcb43ecc	2070	_writeCommand(0x20 \| _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0
wim	34:e5a0dcb43ecc	2071	// Select Std Instr set, Select IS=0
wim	34:e5a0dcb43ecc	2072	break; // end US2066, SSD1803
wim	34:e5a0dcb43ecc	2073
wim	34:e5a0dcb43ecc	2074	default:
wim	34:e5a0dcb43ecc	2075	break; // end default
wim	34:e5a0dcb43ecc	2076	} // end switch _ctrl
wim	34:e5a0dcb43ecc	2077	break; // end TopBottomLine
wim	34:e5a0dcb43ecc	2078
wim	34:e5a0dcb43ecc	2079	} // end switch lines
wim	34:e5a0dcb43ecc	2080
wim	34:e5a0dcb43ecc	2081	} // end setBigFont()
wim	32:59c4b8f648d4	2082
wim	23:d47f226efb24	2083	//--------- End TextLCD_Base -----------
wim	21:9eb628d9e164	2084
wim	22:35742ec80c24	2085
wim	23:d47f226efb24	2086	//--------- Start TextLCD Bus -----------
wim	21:9eb628d9e164	2087
wim	21:9eb628d9e164	2088	/* Create a TextLCD interface for using regular mbed pins
wim	21:9eb628d9e164	2089	*
wim	21:9eb628d9e164	2090	* @param rs Instruction/data control line
wim	21:9eb628d9e164	2091	* @param e Enable line (clock)
wim	21:9eb628d9e164	2092	* @param d4-d7 Data lines for using as a 4-bit interface
wim	21:9eb628d9e164	2093	* @param type Sets the panel size/addressing mode (default = LCD16x2)
wim	21:9eb628d9e164	2094	* @param bl Backlight control line (optional, default = NC)
wim	21:9eb628d9e164	2095	* @param e2 Enable2 line (clock for second controller, LCD40x4 only)
wim	21:9eb628d9e164	2096	* @param ctrl LCD controller (default = HD44780)
wim	21:9eb628d9e164	2097	*/
wim	21:9eb628d9e164	2098	TextLCD::TextLCD(PinName rs, PinName e,
wim	21:9eb628d9e164	2099	PinName d4, PinName d5, PinName d6, PinName d7,
wim	21:9eb628d9e164	2100	LCDType type, PinName bl, PinName e2, LCDCtrl ctrl) :
wim	21:9eb628d9e164	2101	TextLCD_Base(type, ctrl),
wim	22:35742ec80c24	2102	_rs(rs), _e(e), _d(d4, d5, d6, d7) {
wim	22:35742ec80c24	2103
wim	22:35742ec80c24	2104	// The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access.
wim	22:35742ec80c24	2105	if (bl != NC) {
wim	22:35742ec80c24	2106	_bl = new DigitalOut(bl); //Construct new pin
wim	22:35742ec80c24	2107	_bl->write(0); //Deactivate
wim	22:35742ec80c24	2108	}
wim	22:35742ec80c24	2109	else {
wim	22:35742ec80c24	2110	// No Hardware Backlight pin
wim	22:35742ec80c24	2111	_bl = NULL; //Construct dummy pin
wim	22:35742ec80c24	2112	}
wim	22:35742ec80c24	2113
wim	22:35742ec80c24	2114	// The hardware Enable2 pin is only needed for LCD40x4. Test and make sure whether it exists or not to prevent illegal access.
wim	22:35742ec80c24	2115	if (e2 != NC) {
wim	22:35742ec80c24	2116	_e2 = new DigitalOut(e2); //Construct new pin
wim	22:35742ec80c24	2117	_e2->write(0); //Deactivate
wim	22:35742ec80c24	2118	}
wim	22:35742ec80c24	2119	else {
wim	22:35742ec80c24	2120	// No Hardware Enable pin
wim	22:35742ec80c24	2121	_e2 = NULL; //Construct dummy pin
wim	22:35742ec80c24	2122	}
wim	21:9eb628d9e164	2123
wim	21:9eb628d9e164	2124	_init();
wim	21:9eb628d9e164	2125	}
wim	21:9eb628d9e164	2126
wim	29:a3663151aa65	2127	/** Destruct a TextLCD interface for using regular mbed pins
wim	29:a3663151aa65	2128	*
wim	29:a3663151aa65	2129	* @param none
wim	29:a3663151aa65	2130	* @return none
wim	29:a3663151aa65	2131	*/
wim	29:a3663151aa65	2132	TextLCD::~TextLCD() {
wim	29:a3663151aa65	2133	if (_bl != NULL) {delete _bl;} // BL pin
wim	29:a3663151aa65	2134	if (_e2 != NULL) {delete _e2;} // E2 pin
wim	29:a3663151aa65	2135	}
wim	29:a3663151aa65	2136
wim	29:a3663151aa65	2137
wim	22:35742ec80c24	2138	/** Set E pin (or E2 pin)
wim	22:35742ec80c24	2139	* Used for mbed pins, I2C bus expander or SPI shiftregister
wim	22:35742ec80c24	2140	* Default PinName value for E2 is NC, must be used as pointer to avoid issues with mbed lib and DigitalOut pins
wim	22:35742ec80c24	2141	* @param value true or false
wim	22:35742ec80c24	2142	* @return none
wim	22:35742ec80c24	2143	*/
wim	21:9eb628d9e164	2144	void TextLCD::_setEnable(bool value) {
wim	21:9eb628d9e164	2145
wim	22:35742ec80c24	2146	if(_ctrl_idx==_LCDCtrl_0) {
wim	22:35742ec80c24	2147	if (value) {
wim	22:35742ec80c24	2148	_e = 1; // Set E bit
wim	22:35742ec80c24	2149	}
wim	22:35742ec80c24	2150	else {
wim	22:35742ec80c24	2151	_e = 0; // Reset E bit
wim	22:35742ec80c24	2152	}
wim	22:35742ec80c24	2153	}
wim	22:35742ec80c24	2154	else {
wim	22:35742ec80c24	2155	if (value) {
wim	22:35742ec80c24	2156	if (_e2 != NULL) {_e2->write(1);} //Set E2 bit
wim	22:35742ec80c24	2157	}
wim	22:35742ec80c24	2158	else {
wim	22:35742ec80c24	2159	if (_e2 != NULL) {_e2->write(0);} //Reset E2 bit
wim	22:35742ec80c24	2160	}
wim	22:35742ec80c24	2161	}
wim	21:9eb628d9e164	2162	}
wim	21:9eb628d9e164	2163
wim	21:9eb628d9e164	2164	// Set RS pin
wim	21:9eb628d9e164	2165	// Used for mbed pins, I2C bus expander or SPI shiftregister
wim	21:9eb628d9e164	2166	void TextLCD::_setRS(bool value) {
wim	21:9eb628d9e164	2167
wim	22:35742ec80c24	2168	if (value) {
wim	21:9eb628d9e164	2169	_rs = 1; // Set RS bit
wim	22:35742ec80c24	2170	}
wim	22:35742ec80c24	2171	else {
wim	21:9eb628d9e164	2172	_rs = 0; // Reset RS bit
wim	22:35742ec80c24	2173	}
wim	21:9eb628d9e164	2174	}
wim	21:9eb628d9e164	2175
wim	22:35742ec80c24	2176	/** Set BL pin
wim	22:35742ec80c24	2177	* Used for mbed pins, I2C bus expander or SPI shiftregister
wim	22:35742ec80c24	2178	* Default PinName value is NC, must be used as pointer to avoid issues with mbed lib and DigitalOut pins
wim	22:35742ec80c24	2179	* @param value true or false
wim	22:35742ec80c24	2180	* @return none
wim	22:35742ec80c24	2181	*/
wim	21:9eb628d9e164	2182	void TextLCD::_setBL(bool value) {
wim	21:9eb628d9e164	2183
wim	22:35742ec80c24	2184	if (value) {
wim	22:35742ec80c24	2185	if (_bl != NULL) {_bl->write(1);} //Set BL bit
wim	22:35742ec80c24	2186	}
wim	22:35742ec80c24	2187	else {
wim	22:35742ec80c24	2188	if (_bl != NULL) {_bl->write(0);} //Reset BL bit
wim	22:35742ec80c24	2189	}
wim	21:9eb628d9e164	2190	}
wim	21:9eb628d9e164	2191
wim	21:9eb628d9e164	2192	// Place the 4bit data on the databus
wim	21:9eb628d9e164	2193	// Used for mbed pins, I2C bus expander or SPI shifregister
wim	21:9eb628d9e164	2194	void TextLCD::_setData(int value) {
wim	21:9eb628d9e164	2195	_d = value & 0x0F; // Write Databits
wim	21:9eb628d9e164	2196	}
wim	34:e5a0dcb43ecc	2197
wim	23:d47f226efb24	2198	//----------- End TextLCD ---------------
wim	21:9eb628d9e164	2199
wim	21:9eb628d9e164	2200
wim	23:d47f226efb24	2201	//--------- Start TextLCD_I2C -----------
wim	34:e5a0dcb43ecc	2202	#if(LCD_I2C == 1) /* I2C Expander PCF8574/MCP23008 */
wim	26:bd897a001012	2203	/** Create a TextLCD interface using an I2C PC8574 (or PCF8574A) or MCP23008 portexpander
wim	22:35742ec80c24	2204	*
wim	22:35742ec80c24	2205	* @param i2c I2C Bus
wim	26:bd897a001012	2206	* @param deviceAddress I2C slave address (PCF8574, PCF8574A or MCP23008, default = 0x40)
wim	22:35742ec80c24	2207	* @param type Sets the panel size/addressing mode (default = LCD16x2)
wim	22:35742ec80c24	2208	* @param ctrl LCD controller (default = HD44780)
wim	22:35742ec80c24	2209	*/
wim	21:9eb628d9e164	2210	TextLCD_I2C::TextLCD_I2C(I2C *i2c, char deviceAddress, LCDType type, LCDCtrl ctrl) :
wim	21:9eb628d9e164	2211	TextLCD_Base(type, ctrl),
wim	21:9eb628d9e164	2212	_i2c(i2c){
wim	21:9eb628d9e164	2213
wim	22:35742ec80c24	2214	_slaveAddress = deviceAddress & 0xFE;
wim	28:30fa94f7341c	2215
wim	28:30fa94f7341c	2216	// Setup the I2C bus
wim	28:30fa94f7341c	2217	// The max bitrate for PCF8574 is 100kbit, the max bitrate for MCP23008 is 400kbit,
wim	32:59c4b8f648d4	2218	_i2c->frequency(100000);
wim	21:9eb628d9e164	2219
wim	26:bd897a001012	2220	#if (MCP23008==1)
wim	26:bd897a001012	2221	// MCP23008 portexpander Init
wim	27:22d5086f6ba6	2222	_write_register(IODIR, 0x00); // All outputs
wim	27:22d5086f6ba6	2223	_write_register(IPOL, 0x00); // No reverse polarity
wim	27:22d5086f6ba6	2224	_write_register(GPINTEN, 0x00); // No interrupt
wim	27:22d5086f6ba6	2225	_write_register(DEFVAL, 0x00); // Default value to compare against for interrupts
wim	27:22d5086f6ba6	2226	_write_register(INTCON, 0x00); // No interrupt on changes
wim	27:22d5086f6ba6	2227	_write_register(IOCON, 0x00); // Interrupt polarity
wim	27:22d5086f6ba6	2228	_write_register(GPPU, 0x00); // No Pullup
wim	27:22d5086f6ba6	2229	_write_register(INTF, 0x00); //
wim	27:22d5086f6ba6	2230	_write_register(INTCAP, 0x00); //
wim	27:22d5086f6ba6	2231	_write_register(GPIO, 0x00); // Output/Input pins
wim	27:22d5086f6ba6	2232	_write_register(OLAT, 0x00); // Output Latch
wim	26:bd897a001012	2233
wim	21:9eb628d9e164	2234	// Init the portexpander bus
wim	21:9eb628d9e164	2235	_lcd_bus = D_LCD_BUS_DEF;
wim	21:9eb628d9e164	2236
wim	21:9eb628d9e164	2237	// write the new data to the portexpander
wim	26:bd897a001012	2238	_write_register(GPIO, _lcd_bus);
wim	26:bd897a001012	2239	#else
wim	26:bd897a001012	2240	// PCF8574 of PCF8574A portexpander
wim	26:bd897a001012	2241
wim	26:bd897a001012	2242	// Init the portexpander bus
wim	26:bd897a001012	2243	_lcd_bus = D_LCD_BUS_DEF;
wim	26:bd897a001012	2244
wim	26:bd897a001012	2245	// write the new data to the portexpander
wim	21:9eb628d9e164	2246	_i2c->write(_slaveAddress, &_lcd_bus, 1);
wim	26:bd897a001012	2247	#endif
wim	21:9eb628d9e164	2248
wim	30:033048611c01	2249	_init();
wim	21:9eb628d9e164	2250	}
wim	21:9eb628d9e164	2251
wim	21:9eb628d9e164	2252	// Set E pin (or E2 pin)
wim	21:9eb628d9e164	2253	// Used for mbed pins, I2C bus expander or SPI shiftregister
wim	21:9eb628d9e164	2254	void TextLCD_I2C::_setEnable(bool value) {
wim	21:9eb628d9e164	2255
wim	22:35742ec80c24	2256	if(_ctrl_idx==_LCDCtrl_0) {
wim	26:bd897a001012	2257	if (value) {
wim	22:35742ec80c24	2258	_lcd_bus \|= D_LCD_E; // Set E bit
wim	26:bd897a001012	2259	}
wim	26:bd897a001012	2260	else {
wim	22:35742ec80c24	2261	_lcd_bus &= ~D_LCD_E; // Reset E bit
wim	26:bd897a001012	2262	}
wim	22:35742ec80c24	2263	}
wim	22:35742ec80c24	2264	else {
wim	26:bd897a001012	2265	if (value) {
wim	22:35742ec80c24	2266	_lcd_bus \|= D_LCD_E2; // Set E2 bit
wim	26:bd897a001012	2267	}
wim	26:bd897a001012	2268	else {
wim	22:35742ec80c24	2269	_lcd_bus &= ~D_LCD_E2; // Reset E2bit
wim	26:bd897a001012	2270	}
wim	26:bd897a001012	2271	}
wim	26:bd897a001012	2272
wim	26:bd897a001012	2273	#if (MCP23008==1)
wim	26:bd897a001012	2274	// MCP23008 portexpander
wim	26:bd897a001012	2275
wim	26:bd897a001012	2276	// write the new data to the portexpander
wim	26:bd897a001012	2277	_write_register(GPIO, _lcd_bus);
wim	26:bd897a001012	2278	#else
wim	26:bd897a001012	2279	// PCF8574 of PCF8574A portexpander
wim	21:9eb628d9e164	2280
wim	22:35742ec80c24	2281	// write the new data to the I2C portexpander
wim	22:35742ec80c24	2282	_i2c->write(_slaveAddress, &_lcd_bus, 1);
wim	26:bd897a001012	2283	#endif
wim	21:9eb628d9e164	2284	}
wim	21:9eb628d9e164	2285
wim	21:9eb628d9e164	2286	// Set RS pin
wim	21:9eb628d9e164	2287	// Used for mbed pins, I2C bus expander or SPI shiftregister
wim	21:9eb628d9e164	2288	void TextLCD_I2C::_setRS(bool value) {
wim	21:9eb628d9e164	2289
wim	26:bd897a001012	2290	if (value) {
wim	22:35742ec80c24	2291	_lcd_bus \|= D_LCD_RS; // Set RS bit
wim	26:bd897a001012	2292	}
wim	26:bd897a001012	2293	else {
wim	22:35742ec80c24	2294	_lcd_bus &= ~D_LCD_RS; // Reset RS bit
wim	26:bd897a001012	2295	}
wim	26:bd897a001012	2296
wim	26:bd897a001012	2297	#if (MCP23008==1)
wim	26:bd897a001012	2298	// MCP23008 portexpander
wim	26:bd897a001012	2299
wim	26:bd897a001012	2300	// write the new data to the portexpander
wim	26:bd897a001012	2301	_write_register(GPIO, _lcd_bus);
wim	26:bd897a001012	2302	#else
wim	26:bd897a001012	2303	// PCF8574 of PCF8574A portexpander
wim	21:9eb628d9e164	2304
wim	22:35742ec80c24	2305	// write the new data to the I2C portexpander
wim	22:35742ec80c24	2306	_i2c->write(_slaveAddress, &_lcd_bus, 1);
wim	30:033048611c01	2307	#endif
wim	21:9eb628d9e164	2308	}
wim	21:9eb628d9e164	2309
wim	21:9eb628d9e164	2310	// Set BL pin
wim	21:9eb628d9e164	2311	// Used for mbed pins, I2C bus expander or SPI shiftregister
wim	21:9eb628d9e164	2312	void TextLCD_I2C::_setBL(bool value) {
wim	21:9eb628d9e164	2313
wim	26:bd897a001012	2314	if (value) {
wim	21:9eb628d9e164	2315	_lcd_bus \|= D_LCD_BL; // Set BL bit
wim	26:bd897a001012	2316	}
wim	26:bd897a001012	2317	else {
wim	21:9eb628d9e164	2318	_lcd_bus &= ~D_LCD_BL; // Reset BL bit
wim	26:bd897a001012	2319	}
wim	26:bd897a001012	2320
wim	26:bd897a001012	2321	#if (MCP23008==1)
wim	26:bd897a001012	2322	// MCP23008 portexpander
wim	26:bd897a001012	2323
wim	26:bd897a001012	2324	// write the new data to the portexpander
wim	26:bd897a001012	2325	_write_register(GPIO, _lcd_bus);
wim	26:bd897a001012	2326	#else
wim	26:bd897a001012	2327	// PCF8574 of PCF8574A portexpander
wim	21:9eb628d9e164	2328
wim	21:9eb628d9e164	2329	// write the new data to the I2C portexpander
wim	21:9eb628d9e164	2330	_i2c->write(_slaveAddress, &_lcd_bus, 1);
wim	30:033048611c01	2331	#endif
wim	21:9eb628d9e164	2332	}
wim	21:9eb628d9e164	2333
wim	21:9eb628d9e164	2334
wim	21:9eb628d9e164	2335	// Place the 4bit data on the databus
wim	21:9eb628d9e164	2336	// Used for mbed pins, I2C bus expander or SPI shifregister
wim	21:9eb628d9e164	2337	void TextLCD_I2C::_setData(int value) {
wim	21:9eb628d9e164	2338	int data;
wim	22:35742ec80c24	2339
wim	22:35742ec80c24	2340	// Set bit by bit to support any mapping of expander portpins to LCD pins
wim	21:9eb628d9e164	2341
wim	22:35742ec80c24	2342	data = value & 0x0F;
wim	26:bd897a001012	2343	if (data & 0x01){
wim	22:35742ec80c24	2344	_lcd_bus \|= D_LCD_D4; // Set Databit
wim	26:bd897a001012	2345	}
wim	26:bd897a001012	2346	else {
wim	26:bd897a001012	2347	_lcd_bus &= ~D_LCD_D4; // Reset Databit
wim	26:bd897a001012	2348	}
wim	21:9eb628d9e164	2349
wim	26:bd897a001012	2350	if (data & 0x02){
wim	22:35742ec80c24	2351	_lcd_bus \|= D_LCD_D5; // Set Databit
wim	26:bd897a001012	2352	}
wim	26:bd897a001012	2353	else {
wim	26:bd897a001012	2354	_lcd_bus &= ~D_LCD_D5; // Reset Databit
wim	26:bd897a001012	2355	}
wim	21:9eb628d9e164	2356
wim	26:bd897a001012	2357	if (data & 0x04) {
wim	22:35742ec80c24	2358	_lcd_bus \|= D_LCD_D6; // Set Databit
wim	26:bd897a001012	2359	}
wim	26:bd897a001012	2360	else {
wim	26:bd897a001012	2361	_lcd_bus &= ~D_LCD_D6; // Reset Databit
wim	26:bd897a001012	2362	}
wim	21:9eb628d9e164	2363
wim	26:bd897a001012	2364	if (data & 0x08) {
wim	22:35742ec80c24	2365	_lcd_bus \|= D_LCD_D7; // Set Databit
wim	26:bd897a001012	2366	}
wim	26:bd897a001012	2367	else {
wim	26:bd897a001012	2368	_lcd_bus &= ~D_LCD_D7; // Reset Databit
wim	26:bd897a001012	2369	}
wim	21:9eb628d9e164	2370
wim	26:bd897a001012	2371	#if (MCP23008==1)
wim	26:bd897a001012	2372	// MCP23008 portexpander
wim	26:bd897a001012	2373
wim	26:bd897a001012	2374	// write the new data to the portexpander
wim	26:bd897a001012	2375	_write_register(GPIO, _lcd_bus);
wim	26:bd897a001012	2376	#else
wim	26:bd897a001012	2377	// PCF8574 of PCF8574A portexpander
wim	26:bd897a001012	2378
wim	22:35742ec80c24	2379	// write the new data to the I2C portexpander
wim	26:bd897a001012	2380	_i2c->write(_slaveAddress, &_lcd_bus, 1);
wim	26:bd897a001012	2381	#endif
wim	22:35742ec80c24	2382
wim	22:35742ec80c24	2383	}
wim	21:9eb628d9e164	2384
wim	26:bd897a001012	2385	// Write data to MCP23008 I2C portexpander
wim	26:bd897a001012	2386	void TextLCD_I2C::_write_register (int reg, int value) {
wim	26:bd897a001012	2387	char data[] = {reg, value};
wim	26:bd897a001012	2388
wim	30:033048611c01	2389	_i2c->write(_slaveAddress, data, 2);
wim	26:bd897a001012	2390	}
wim	34:e5a0dcb43ecc	2391	#endif /* I2C Expander PCF8574/MCP23008 */
wim	23:d47f226efb24	2392	//---------- End TextLCD_I2C ------------
wim	21:9eb628d9e164	2393
wim	21:9eb628d9e164	2394
wim	28:30fa94f7341c	2395	//--------- Start TextLCD_I2C_N ---------
wim	34:e5a0dcb43ecc	2396	#if(LCD_I2C_N == 1) /* Native I2C */
wim	28:30fa94f7341c	2397
wim	28:30fa94f7341c	2398	/** Create a TextLCD interface using a controller with native I2C interface
wim	28:30fa94f7341c	2399	*
wim	28:30fa94f7341c	2400	* @param i2c I2C Bus
wim	28:30fa94f7341c	2401	* @param deviceAddress I2C slave address (default = 0x7C)
wim	28:30fa94f7341c	2402	* @param type Sets the panel size/addressing mode (default = LCD16x2)
wim	28:30fa94f7341c	2403	* @param bl Backlight control line (optional, default = NC)
wim	28:30fa94f7341c	2404	* @param ctrl LCD controller (default = ST7032_3V3)
wim	28:30fa94f7341c	2405	*/
wim	28:30fa94f7341c	2406	TextLCD_I2C_N::TextLCD_I2C_N(I2C *i2c, char deviceAddress, LCDType type, PinName bl, LCDCtrl ctrl) :
wim	28:30fa94f7341c	2407	TextLCD_Base(type, ctrl),
wim	32:59c4b8f648d4	2408
wim	33:900a94bc7585	2409	_i2c(i2c){
wim	30:033048611c01	2410
wim	28:30fa94f7341c	2411	_slaveAddress = deviceAddress & 0xFE;
wim	28:30fa94f7341c	2412
wim	28:30fa94f7341c	2413	// Setup the I2C bus
wim	29:a3663151aa65	2414	// The max bitrate for ST7032i is 400kbit, lets stick to default here
wim	29:a3663151aa65	2415	_i2c->frequency(100000);
wim	32:59c4b8f648d4	2416
wim	30:033048611c01	2417
wim	28:30fa94f7341c	2418	// The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access.
wim	28:30fa94f7341c	2419	if (bl != NC) {
wim	28:30fa94f7341c	2420	_bl = new DigitalOut(bl); //Construct new pin
wim	28:30fa94f7341c	2421	_bl->write(0); //Deactivate
wim	28:30fa94f7341c	2422	}
wim	28:30fa94f7341c	2423	else {
wim	28:30fa94f7341c	2424	// No Hardware Backlight pin
wim	28:30fa94f7341c	2425	_bl = NULL; //Construct dummy pin
wim	28:30fa94f7341c	2426	}
wim	28:30fa94f7341c	2427
wim	30:033048611c01	2428	//Sanity check
wim	30:033048611c01	2429	if (_ctrl & LCD_C_I2C) {
wim	30:033048611c01	2430	_init();
wim	30:033048611c01	2431	}
wim	30:033048611c01	2432	else {
wim	30:033048611c01	2433	error("Error: LCD Controller type does not support native I2C interface\n\r");
wim	30:033048611c01	2434	}
wim	30:033048611c01	2435
wim	28:30fa94f7341c	2436	}
wim	28:30fa94f7341c	2437
wim	28:30fa94f7341c	2438	TextLCD_I2C_N::~TextLCD_I2C_N() {
wim	28:30fa94f7341c	2439	if (_bl != NULL) {delete _bl;} // BL pin
wim	28:30fa94f7341c	2440	}
wim	28:30fa94f7341c	2441
wim	28:30fa94f7341c	2442	// Not used in this mode
wim	28:30fa94f7341c	2443	void TextLCD_I2C_N::_setEnable(bool value) {
wim	28:30fa94f7341c	2444	}
wim	28:30fa94f7341c	2445
wim	28:30fa94f7341c	2446	// Set RS pin
wim	28:30fa94f7341c	2447	// Used for mbed pins, I2C bus expander or SPI shiftregister and native I2C or SPI
wim	28:30fa94f7341c	2448	void TextLCD_I2C_N::_setRS(bool value) {
wim	30:033048611c01	2449	// The controlbyte defines the meaning of the next byte. This next byte can either be data or command.
wim	30:033048611c01	2450	// Start Slaveaddress+RW b7 b6 b5 b4 b3 b2 b1 b0 b7...........b0 Stop
wim	30:033048611c01	2451	// Co RS RW 0 0 0 0 0 command or data
wim	30:033048611c01	2452	//
wim	30:033048611c01	2453	// C0=1 indicates that another controlbyte will follow after the next data or command byte
wim	30:033048611c01	2454	// RS=1 means that next byte is data, RS=0 means that next byte is command
wim	30:033048611c01	2455	// RW=0 means write to controller. RW=1 means that controller will be read from after the next command.
wim	30:033048611c01	2456	// Many native I2C controllers dont support this option and it is not used by this lib.
wim	30:033048611c01	2457	//
wim	30:033048611c01	2458
wim	28:30fa94f7341c	2459	if (value) {
wim	28:30fa94f7341c	2460	_controlbyte = 0x40; // Next byte is data, No more control bytes will follow
wim	28:30fa94f7341c	2461	}
wim	28:30fa94f7341c	2462	else {
wim	28:30fa94f7341c	2463	_controlbyte = 0x00; // Next byte is command, No more control bytes will follow
wim	28:30fa94f7341c	2464	}
wim	28:30fa94f7341c	2465	}
wim	28:30fa94f7341c	2466
wim	28:30fa94f7341c	2467	// Set BL pin
wim	28:30fa94f7341c	2468	void TextLCD_I2C_N::_setBL(bool value) {
wim	28:30fa94f7341c	2469	if (_bl) {
wim	28:30fa94f7341c	2470	_bl->write(value);
wim	28:30fa94f7341c	2471	}
wim	28:30fa94f7341c	2472	}
wim	29:a3663151aa65	2473
wim	29:a3663151aa65	2474	// Not used in this mode
wim	29:a3663151aa65	2475	void TextLCD_I2C_N::_setData(int value) {
wim	29:a3663151aa65	2476	}
wim	29:a3663151aa65	2477
wim	28:30fa94f7341c	2478	// Write a byte using I2C
wim	28:30fa94f7341c	2479	void TextLCD_I2C_N::_writeByte(int value) {
wim	30:033048611c01	2480	// The controlbyte defines the meaning of the next byte. This next byte can either be data or command.
wim	30:033048611c01	2481	// Start Slaveaddress+RW b7 b6 b5 b4 b3 b2 b1 b0 b7...........b0 Stop
wim	30:033048611c01	2482	// Co RS RW 0 0 0 0 0 command or data
wim	30:033048611c01	2483	//
wim	30:033048611c01	2484	// C0=1 indicates that another controlbyte will follow after the next data or command byte
wim	30:033048611c01	2485	// RS=1 means that next byte is data, RS=0 means that next byte is command
wim	30:033048611c01	2486	// RW=0 means write to controller. RW=1 means that controller will be read from after the next command.
wim	30:033048611c01	2487	// Many native I2C controllers dont support this option and it is not used by this lib.
wim	30:033048611c01	2488	//
wim	28:30fa94f7341c	2489	char data[] = {_controlbyte, value};
wim	28:30fa94f7341c	2490
wim	32:59c4b8f648d4	2491	#if(LCD_I2C_ACK==1)
wim	32:59c4b8f648d4	2492	//Controllers that support ACK
wim	30:033048611c01	2493	_i2c->write(_slaveAddress, data, 2);
wim	32:59c4b8f648d4	2494	#else
wim	32:59c4b8f648d4	2495	//Controllers that dont support ACK
wim	32:59c4b8f648d4	2496	_i2c->start();
wim	32:59c4b8f648d4	2497	_i2c->write(_slaveAddress);
wim	32:59c4b8f648d4	2498	_i2c->write(data[0]);
wim	32:59c4b8f648d4	2499	_i2c->write(data[1]);
wim	32:59c4b8f648d4	2500	_i2c->stop();
wim	32:59c4b8f648d4	2501	#endif
wim	28:30fa94f7341c	2502	}
wim	34:e5a0dcb43ecc	2503	#endif /* Native I2C */
wim	28:30fa94f7341c	2504	//-------- End TextLCD_I2C_N ------------
wim	28:30fa94f7341c	2505
wim	28:30fa94f7341c	2506
wim	23:d47f226efb24	2507	//--------- Start TextLCD_SPI -----------
wim	34:e5a0dcb43ecc	2508	#if(LCD_SPI == 1) /* SPI Expander SN74595 */
wim	21:9eb628d9e164	2509
wim	22:35742ec80c24	2510	/** Create a TextLCD interface using an SPI 74595 portexpander
wim	22:35742ec80c24	2511	*
wim	22:35742ec80c24	2512	* @param spi SPI Bus
wim	22:35742ec80c24	2513	* @param cs chip select pin (active low)
wim	22:35742ec80c24	2514	* @param type Sets the panel size/addressing mode (default = LCD16x2)
wim	22:35742ec80c24	2515	* @param ctrl LCD controller (default = HD44780)
wim	22:35742ec80c24	2516	*/
wim	21:9eb628d9e164	2517	TextLCD_SPI::TextLCD_SPI(SPI *spi, PinName cs, LCDType type, LCDCtrl ctrl) :
wim	21:9eb628d9e164	2518	TextLCD_Base(type, ctrl),
wim	21:9eb628d9e164	2519	_spi(spi),
wim	21:9eb628d9e164	2520	_cs(cs) {
wim	21:9eb628d9e164	2521
wim	32:59c4b8f648d4	2522	// Init cs
wim	32:59c4b8f648d4	2523	_setCS(true);
wim	32:59c4b8f648d4	2524
wim	21:9eb628d9e164	2525	// Setup the spi for 8 bit data, low steady state clock,
wim	21:9eb628d9e164	2526	// rising edge capture, with a 500KHz or 1MHz clock rate
wim	21:9eb628d9e164	2527	_spi->format(8,0);
wim	21:9eb628d9e164	2528	_spi->frequency(500000);
wim	21:9eb628d9e164	2529	//_spi.frequency(1000000);
wim	21:9eb628d9e164	2530
wim	21:9eb628d9e164	2531	// Init the portexpander bus
wim	21:9eb628d9e164	2532	_lcd_bus = D_LCD_BUS_DEF;
wim	21:9eb628d9e164	2533
wim	21:9eb628d9e164	2534	// write the new data to the portexpander
wim	21:9eb628d9e164	2535	_setCS(false);
wim	21:9eb628d9e164	2536	_spi->write(_lcd_bus);
wim	21:9eb628d9e164	2537	_setCS(true);
wim	30:033048611c01	2538
wim	30:033048611c01	2539	_init();
wim	21:9eb628d9e164	2540	}
wim	21:9eb628d9e164	2541
wim	21:9eb628d9e164	2542	// Set E pin (or E2 pin)
wim	21:9eb628d9e164	2543	// Used for mbed pins, I2C bus expander or SPI shiftregister
wim	21:9eb628d9e164	2544	void TextLCD_SPI::_setEnable(bool value) {
wim	21:9eb628d9e164	2545
wim	22:35742ec80c24	2546	if(_ctrl_idx==_LCDCtrl_0) {
wim	26:bd897a001012	2547	if (value) {
wim	22:35742ec80c24	2548	_lcd_bus \|= D_LCD_E; // Set E bit
wim	26:bd897a001012	2549	}
wim	26:bd897a001012	2550	else {
wim	22:35742ec80c24	2551	_lcd_bus &= ~D_LCD_E; // Reset E bit
wim	26:bd897a001012	2552	}
wim	22:35742ec80c24	2553	}
wim	22:35742ec80c24	2554	else {
wim	26:bd897a001012	2555	if (value) {
wim	22:35742ec80c24	2556	_lcd_bus \|= D_LCD_E2; // Set E2 bit
wim	26:bd897a001012	2557	}
wim	26:bd897a001012	2558	else {
wim	22:35742ec80c24	2559	_lcd_bus &= ~D_LCD_E2; // Reset E2 bit
wim	26:bd897a001012	2560	}
wim	22:35742ec80c24	2561	}
wim	21:9eb628d9e164	2562
wim	22:35742ec80c24	2563	// write the new data to the SPI portexpander
wim	22:35742ec80c24	2564	_setCS(false);
wim	22:35742ec80c24	2565	_spi->write(_lcd_bus);
wim	30:033048611c01	2566	_setCS(true);
wim	21:9eb628d9e164	2567	}
wim	21:9eb628d9e164	2568
wim	21:9eb628d9e164	2569	// Set RS pin
wim	21:9eb628d9e164	2570	// Used for mbed pins, I2C bus expander or SPI shiftregister
wim	21:9eb628d9e164	2571	void TextLCD_SPI::_setRS(bool value) {
wim	21:9eb628d9e164	2572
wim	22:35742ec80c24	2573	if (value) {
wim	21:9eb628d9e164	2574	_lcd_bus \|= D_LCD_RS; // Set RS bit
wim	22:35742ec80c24	2575	}
wim	22:35742ec80c24	2576	else {
wim	21:9eb628d9e164	2577	_lcd_bus &= ~D_LCD_RS; // Reset RS bit
wim	22:35742ec80c24	2578	}
wim	21:9eb628d9e164	2579
wim	21:9eb628d9e164	2580	// write the new data to the SPI portexpander
wim	21:9eb628d9e164	2581	_setCS(false);
wim	21:9eb628d9e164	2582	_spi->write(_lcd_bus);
wim	21:9eb628d9e164	2583	_setCS(true);
wim	21:9eb628d9e164	2584	}
wim	21:9eb628d9e164	2585
wim	21:9eb628d9e164	2586	// Set BL pin
wim	21:9eb628d9e164	2587	// Used for mbed pins, I2C bus expander or SPI shiftregister
wim	21:9eb628d9e164	2588	void TextLCD_SPI::_setBL(bool value) {
wim	21:9eb628d9e164	2589
wim	22:35742ec80c24	2590	if (value) {
wim	21:9eb628d9e164	2591	_lcd_bus \|= D_LCD_BL; // Set BL bit
wim	22:35742ec80c24	2592	}
wim	22:35742ec80c24	2593	else {
wim	21:9eb628d9e164	2594	_lcd_bus &= ~D_LCD_BL; // Reset BL bit
wim	22:35742ec80c24	2595	}
wim	21:9eb628d9e164	2596
wim	21:9eb628d9e164	2597	// write the new data to the SPI portexpander
wim	21:9eb628d9e164	2598	_setCS(false);
wim	21:9eb628d9e164	2599	_spi->write(_lcd_bus);
wim	30:033048611c01	2600	_setCS(true);
wim	21:9eb628d9e164	2601	}
wim	21:9eb628d9e164	2602
wim	21:9eb628d9e164	2603	// Place the 4bit data on the databus
wim	21:9eb628d9e164	2604	// Used for mbed pins, I2C bus expander or SPI shiftregister
wim	21:9eb628d9e164	2605	void TextLCD_SPI::_setData(int value) {
wim	21:9eb628d9e164	2606	int data;
wim	21:9eb628d9e164	2607
wim	22:35742ec80c24	2608	// Set bit by bit to support any mapping of expander portpins to LCD pins
wim	22:35742ec80c24	2609
wim	22:35742ec80c24	2610	data = value & 0x0F;
wim	26:bd897a001012	2611	if (data & 0x01) {
wim	22:35742ec80c24	2612	_lcd_bus \|= D_LCD_D4; // Set Databit
wim	26:bd897a001012	2613	}
wim	26:bd897a001012	2614	else {
wim	22:35742ec80c24	2615	_lcd_bus &= ~D_LCD_D4; // Reset Databit
wim	26:bd897a001012	2616	}
wim	26:bd897a001012	2617
wim	26:bd897a001012	2618	if (data & 0x02) {
wim	22:35742ec80c24	2619	_lcd_bus \|= D_LCD_D5; // Set Databit
wim	26:bd897a001012	2620	}
wim	26:bd897a001012	2621	else {
wim	22:35742ec80c24	2622	_lcd_bus &= ~D_LCD_D5; // Reset Databit
wim	26:bd897a001012	2623	}
wim	26:bd897a001012	2624
wim	26:bd897a001012	2625	if (data & 0x04) {
wim	22:35742ec80c24	2626	_lcd_bus \|= D_LCD_D6; // Set Databit
wim	26:bd897a001012	2627	}
wim	26:bd897a001012	2628	else {
wim	22:35742ec80c24	2629	_lcd_bus &= ~D_LCD_D6; // Reset Databit
wim	26:bd897a001012	2630	}
wim	26:bd897a001012	2631
wim	26:bd897a001012	2632	if (data & 0x08) {
wim	22:35742ec80c24	2633	_lcd_bus \|= D_LCD_D7; // Set Databit
wim	26:bd897a001012	2634	}
wim	26:bd897a001012	2635	else {
wim	26:bd897a001012	2636	_lcd_bus &= ~D_LCD_D7; // Reset Databit
wim	26:bd897a001012	2637	}
wim	21:9eb628d9e164	2638
wim	22:35742ec80c24	2639	// write the new data to the SPI portexpander
wim	22:35742ec80c24	2640	_setCS(false);
wim	22:35742ec80c24	2641	_spi->write(_lcd_bus);
wim	30:033048611c01	2642	_setCS(true);
wim	21:9eb628d9e164	2643	}
wim	21:9eb628d9e164	2644
wim	21:9eb628d9e164	2645	// Set CS line.
wim	21:9eb628d9e164	2646	// Only used for SPI bus
wim	21:9eb628d9e164	2647	void TextLCD_SPI::_setCS(bool value) {
wim	21:9eb628d9e164	2648
wim	21:9eb628d9e164	2649	if (value) {
wim	21:9eb628d9e164	2650	_cs = 1; // Set CS pin
wim	21:9eb628d9e164	2651	}
wim	22:35742ec80c24	2652	else {
wim	21:9eb628d9e164	2653	_cs = 0; // Reset CS pin
wim	22:35742ec80c24	2654	}
wim	21:9eb628d9e164	2655	}
wim	34:e5a0dcb43ecc	2656	#endif /* SPI Expander SN74595 */
wim	23:d47f226efb24	2657	//---------- End TextLCD_SPI ------------
wim	22:35742ec80c24	2658
wim	22:35742ec80c24	2659
wim	25:6162b31128c9	2660	//--------- Start TextLCD_SPI_N ---------
wim	34:e5a0dcb43ecc	2661	#if(LCD_SPI_N == 1) /* Native SPI bus */
wim	30:033048611c01	2662	/** Create a TextLCD interface using a controller with a native SPI4 interface
Sissors	24:fb3399713710	2663	*
Sissors	24:fb3399713710	2664	* @param spi SPI Bus
Sissors	24:fb3399713710	2665	* @param cs chip select pin (active low)
wim	25:6162b31128c9	2666	* @param rs Instruction/data control line
Sissors	24:fb3399713710	2667	* @param type Sets the panel size/addressing mode (default = LCD16x2)
wim	25:6162b31128c9	2668	* @param bl Backlight control line (optional, default = NC)
wim	26:bd897a001012	2669	* @param ctrl LCD controller (default = ST7032_3V3)
wim	25:6162b31128c9	2670	*/
wim	25:6162b31128c9	2671	TextLCD_SPI_N::TextLCD_SPI_N(SPI *spi, PinName cs, PinName rs, LCDType type, PinName bl, LCDCtrl ctrl) :
wim	25:6162b31128c9	2672	TextLCD_Base(type, ctrl),
wim	25:6162b31128c9	2673	_spi(spi),
wim	25:6162b31128c9	2674	_cs(cs),
wim	25:6162b31128c9	2675	_rs(rs) {
Sissors	24:fb3399713710	2676
wim	32:59c4b8f648d4	2677	// Init CS
wim	32:59c4b8f648d4	2678	_cs = 1;
wim	32:59c4b8f648d4	2679
Sissors	24:fb3399713710	2680	// Setup the spi for 8 bit data, low steady state clock,
Sissors	24:fb3399713710	2681	// rising edge capture, with a 500KHz or 1MHz clock rate
Sissors	24:fb3399713710	2682	_spi->format(8,0);
Sissors	24:fb3399713710	2683	_spi->frequency(1000000);
Sissors	24:fb3399713710	2684
Sissors	24:fb3399713710	2685	// The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access.
Sissors	24:fb3399713710	2686	if (bl != NC) {
Sissors	24:fb3399713710	2687	_bl = new DigitalOut(bl); //Construct new pin
Sissors	24:fb3399713710	2688	_bl->write(0); //Deactivate
Sissors	24:fb3399713710	2689	}
Sissors	24:fb3399713710	2690	else {
Sissors	24:fb3399713710	2691	// No Hardware Backlight pin
Sissors	24:fb3399713710	2692	_bl = NULL; //Construct dummy pin
Sissors	24:fb3399713710	2693	}
wim	30:033048611c01	2694
wim	30:033048611c01	2695	//Sanity check
wim	30:033048611c01	2696	if (_ctrl & LCD_C_SPI4) {
wim	30:033048611c01	2697	_init();
wim	30:033048611c01	2698	}
wim	30:033048611c01	2699	else {
wim	30:033048611c01	2700	error("Error: LCD Controller type does not support native SPI4 interface\n\r");
wim	30:033048611c01	2701	}
Sissors	24:fb3399713710	2702	}
Sissors	24:fb3399713710	2703
wim	25:6162b31128c9	2704	TextLCD_SPI_N::~TextLCD_SPI_N() {
Sissors	24:fb3399713710	2705	if (_bl != NULL) {delete _bl;} // BL pin
Sissors	24:fb3399713710	2706	}
Sissors	24:fb3399713710	2707
Sissors	24:fb3399713710	2708	// Not used in this mode
wim	25:6162b31128c9	2709	void TextLCD_SPI_N::_setEnable(bool value) {
Sissors	24:fb3399713710	2710	}
Sissors	24:fb3399713710	2711
Sissors	24:fb3399713710	2712	// Set RS pin
Sissors	24:fb3399713710	2713	// Used for mbed pins, I2C bus expander or SPI shiftregister
wim	25:6162b31128c9	2714	void TextLCD_SPI_N::_setRS(bool value) {
Sissors	24:fb3399713710	2715	_rs = value;
Sissors	24:fb3399713710	2716	}
Sissors	24:fb3399713710	2717
Sissors	24:fb3399713710	2718	// Set BL pin
wim	25:6162b31128c9	2719	void TextLCD_SPI_N::_setBL(bool value) {
wim	26:bd897a001012	2720	if (_bl) {
Sissors	24:fb3399713710	2721	_bl->write(value);
wim	26:bd897a001012	2722	}
Sissors	24:fb3399713710	2723	}
Sissors	24:fb3399713710	2724
wim	29:a3663151aa65	2725	// Not used in this mode
wim	29:a3663151aa65	2726	void TextLCD_SPI_N::_setData(int value) {
wim	29:a3663151aa65	2727	}
wim	29:a3663151aa65	2728
Sissors	24:fb3399713710	2729	// Write a byte using SPI
wim	25:6162b31128c9	2730	void TextLCD_SPI_N::_writeByte(int value) {
Sissors	24:fb3399713710	2731	_cs = 0;
Sissors	24:fb3399713710	2732	wait_us(1);
Sissors	24:fb3399713710	2733	_spi->write(value);
Sissors	24:fb3399713710	2734	wait_us(1);
Sissors	24:fb3399713710	2735	_cs = 1;
Sissors	24:fb3399713710	2736	}
wim	34:e5a0dcb43ecc	2737	#endif /* Native SPI bus */
wim	25:6162b31128c9	2738	//-------- End TextLCD_SPI_N ------------
wim	21:9eb628d9e164	2739
wim	21:9eb628d9e164	2740
wim	30:033048611c01	2741	//-------- Start TextLCD_SPI_N_3_9 --------
wim	34:e5a0dcb43ecc	2742	#if(LCD_SPI_N_3_9 == 1) /* Native SPI bus */
wim	34:e5a0dcb43ecc	2743	//Code checked out on logic analyser. Not yet tested on hardware..
wim	30:033048611c01	2744
wim	30:033048611c01	2745	/** Create a TextLCD interface using a controller with a native SPI3 9 bits interface
wim	30:033048611c01	2746	*
wim	30:033048611c01	2747	* @param spi SPI Bus
wim	30:033048611c01	2748	* @param cs chip select pin (active low)
wim	30:033048611c01	2749	* @param type Sets the panel size/addressing mode (default = LCD16x2)
wim	30:033048611c01	2750	* @param bl Backlight control line (optional, default = NC)
wim	30:033048611c01	2751	* @param ctrl LCD controller (default = AIP31068)
wim	30:033048611c01	2752	*/
wim	30:033048611c01	2753	TextLCD_SPI_N_3_9::TextLCD_SPI_N_3_9(SPI *spi, PinName cs, LCDType type, PinName bl, LCDCtrl ctrl) :
wim	30:033048611c01	2754	TextLCD_Base(type, ctrl),
wim	30:033048611c01	2755	_spi(spi),
wim	33:900a94bc7585	2756	_cs(cs) {
wim	32:59c4b8f648d4	2757
wim	32:59c4b8f648d4	2758	// Init CS
wim	32:59c4b8f648d4	2759	_cs = 1;
wim	32:59c4b8f648d4	2760
wim	34:e5a0dcb43ecc	2761	// Setup the spi for 9 bit data, high steady state clock,
wim	30:033048611c01	2762	// rising edge capture, with a 500KHz or 1MHz clock rate
wim	32:59c4b8f648d4	2763	_spi->format(9,3);
wim	30:033048611c01	2764	_spi->frequency(1000000);
wim	30:033048611c01	2765
wim	30:033048611c01	2766	// The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access.
wim	30:033048611c01	2767	if (bl != NC) {
wim	30:033048611c01	2768	_bl = new DigitalOut(bl); //Construct new pin
wim	30:033048611c01	2769	_bl->write(0); //Deactivate
wim	30:033048611c01	2770	}
wim	30:033048611c01	2771	else {
wim	30:033048611c01	2772	// No Hardware Backlight pin
wim	30:033048611c01	2773	_bl = NULL; //Construct dummy pin
wim	30:033048611c01	2774	}
wim	30:033048611c01	2775
wim	30:033048611c01	2776	//Sanity check
wim	30:033048611c01	2777	if (_ctrl & LCD_C_SPI3_9) {
wim	30:033048611c01	2778	_init();
wim	30:033048611c01	2779	}
wim	30:033048611c01	2780	else {
wim	30:033048611c01	2781	error("Error: LCD Controller type does not support native SPI3 9 bits interface\n\r");
wim	30:033048611c01	2782	}
wim	30:033048611c01	2783	}
wim	30:033048611c01	2784
wim	30:033048611c01	2785	TextLCD_SPI_N_3_9::~TextLCD_SPI_N_3_9() {
wim	30:033048611c01	2786	if (_bl != NULL) {delete _bl;} // BL pin
wim	30:033048611c01	2787	}
wim	30:033048611c01	2788
wim	30:033048611c01	2789	// Not used in this mode
wim	30:033048611c01	2790	void TextLCD_SPI_N_3_9::_setEnable(bool value) {
wim	30:033048611c01	2791	}
wim	30:033048611c01	2792
wim	30:033048611c01	2793	// Set RS pin
wim	30:033048611c01	2794	// Used for mbed pins, I2C bus expander or SPI shiftregister
wim	30:033048611c01	2795	void TextLCD_SPI_N_3_9::_setRS(bool value) {
wim	30:033048611c01	2796	// The controlbits define the meaning of the next byte. This next byte can either be data or command.
wim	30:033048611c01	2797	// b8 b7...........b0
wim	30:033048611c01	2798	// RS command or data
wim	30:033048611c01	2799	//
wim	30:033048611c01	2800	// RS=1 means that next byte is data, RS=0 means that next byte is command
wim	30:033048611c01	2801	//
wim	30:033048611c01	2802
wim	30:033048611c01	2803	if (value) {
wim	30:033048611c01	2804	_controlbyte = 0x01; // Next byte is data
wim	30:033048611c01	2805	}
wim	30:033048611c01	2806	else {
wim	30:033048611c01	2807	_controlbyte = 0x00; // Next byte is command
wim	34:e5a0dcb43ecc	2808	}
wim	30:033048611c01	2809	}
wim	30:033048611c01	2810
wim	30:033048611c01	2811	// Set BL pin
wim	30:033048611c01	2812	void TextLCD_SPI_N_3_9::_setBL(bool value) {
wim	30:033048611c01	2813	if (_bl) {
wim	30:033048611c01	2814	_bl->write(value);
wim	30:033048611c01	2815	}
wim	30:033048611c01	2816	}
wim	30:033048611c01	2817
wim	30:033048611c01	2818	// Not used in this mode
wim	30:033048611c01	2819	void TextLCD_SPI_N_3_9::_setData(int value) {
wim	30:033048611c01	2820	}
wim	30:033048611c01	2821
wim	30:033048611c01	2822	// Write a byte using SPI3 9 bits mode
wim	30:033048611c01	2823	void TextLCD_SPI_N_3_9::_writeByte(int value) {
wim	30:033048611c01	2824	_cs = 0;
wim	30:033048611c01	2825	wait_us(1);
wim	30:033048611c01	2826	_spi->write( (_controlbyte << 8) \| (value & 0xFF));
wim	30:033048611c01	2827	wait_us(1);
wim	30:033048611c01	2828	_cs = 1;
wim	30:033048611c01	2829	}
wim	34:e5a0dcb43ecc	2830	#endif /* Native SPI bus */
wim	30:033048611c01	2831	//------- End TextLCD_SPI_N_3_9 -----------
wim	34:e5a0dcb43ecc	2832
wim	34:e5a0dcb43ecc	2833
wim	30:033048611c01	2834	//------- Start TextLCD_SPI_N_3_10 --------
wim	34:e5a0dcb43ecc	2835	#if(LCD_SPI_N_3_10 == 1) /* Native SPI bus */
wim	30:033048611c01	2836
wim	30:033048611c01	2837	/** Create a TextLCD interface using a controller with a native SPI3 10 bits interface
wim	30:033048611c01	2838	*
wim	30:033048611c01	2839	* @param spi SPI Bus
wim	30:033048611c01	2840	* @param cs chip select pin (active low)
wim	30:033048611c01	2841	* @param type Sets the panel size/addressing mode (default = LCD16x2)
wim	30:033048611c01	2842	* @param bl Backlight control line (optional, default = NC)
wim	30:033048611c01	2843	* @param ctrl LCD controller (default = AIP31068)
wim	30:033048611c01	2844	*/
wim	30:033048611c01	2845	TextLCD_SPI_N_3_10::TextLCD_SPI_N_3_10(SPI *spi, PinName cs, LCDType type, PinName bl, LCDCtrl ctrl) :
wim	30:033048611c01	2846	TextLCD_Base(type, ctrl),
wim	30:033048611c01	2847	_spi(spi),
wim	30:033048611c01	2848	_cs(cs) {
wim	30:033048611c01	2849
wim	32:59c4b8f648d4	2850	// Init CS
wim	32:59c4b8f648d4	2851	_cs = 1;
wim	32:59c4b8f648d4	2852
wim	30:033048611c01	2853	// Setup the spi for 10 bit data, low steady state clock,
wim	30:033048611c01	2854	// rising edge capture, with a 500KHz or 1MHz clock rate
wim	30:033048611c01	2855	_spi->format(10,0);
wim	30:033048611c01	2856	_spi->frequency(1000000);
wim	30:033048611c01	2857
wim	30:033048611c01	2858	// The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access.
wim	30:033048611c01	2859	if (bl != NC) {
wim	30:033048611c01	2860	_bl = new DigitalOut(bl); //Construct new pin
wim	30:033048611c01	2861	_bl->write(0); //Deactivate
wim	30:033048611c01	2862	}
wim	30:033048611c01	2863	else {
wim	30:033048611c01	2864	// No Hardware Backlight pin
wim	30:033048611c01	2865	_bl = NULL; //Construct dummy pin
wim	30:033048611c01	2866	}
wim	30:033048611c01	2867
wim	30:033048611c01	2868	//Sanity check
wim	30:033048611c01	2869	if (_ctrl & LCD_C_SPI3_10) {
wim	30:033048611c01	2870	_init();
wim	30:033048611c01	2871	}
wim	30:033048611c01	2872	else {
wim	30:033048611c01	2873	error("Error: LCD Controller type does not support native SPI3 10 bits interface\n\r");
wim	30:033048611c01	2874	}
wim	30:033048611c01	2875	}
wim	30:033048611c01	2876
wim	30:033048611c01	2877	TextLCD_SPI_N_3_10::~TextLCD_SPI_N_3_10() {
wim	30:033048611c01	2878	if (_bl != NULL) {delete _bl;} // BL pin
wim	30:033048611c01	2879	}
wim	30:033048611c01	2880
wim	30:033048611c01	2881	// Not used in this mode
wim	30:033048611c01	2882	void TextLCD_SPI_N_3_10::_setEnable(bool value) {
wim	30:033048611c01	2883	}
wim	30:033048611c01	2884
wim	30:033048611c01	2885	// Set RS pin
wim	30:033048611c01	2886	// Used for mbed pins, I2C bus expander or SPI shiftregister
wim	30:033048611c01	2887	void TextLCD_SPI_N_3_10::_setRS(bool value) {
wim	30:033048611c01	2888	// The controlbits define the meaning of the next byte. This next byte can either be data or command.
wim	30:033048611c01	2889	// b9 b8 b7...........b0
wim	30:033048611c01	2890	// RS RW command or data
wim	30:033048611c01	2891	//
wim	30:033048611c01	2892	// RS=1 means that next byte is data, RS=0 means that next byte is command
wim	30:033048611c01	2893	// RW=0 means that next byte is writen, RW=1 means that next byte is read (not used in this lib)
wim	30:033048611c01	2894	//
wim	30:033048611c01	2895
wim	30:033048611c01	2896	if (value) {
wim	30:033048611c01	2897	_controlbyte = 0x02; // Next byte is data
wim	30:033048611c01	2898	}
wim	30:033048611c01	2899	else {
wim	30:033048611c01	2900	_controlbyte = 0x00; // Next byte is command
wim	34:e5a0dcb43ecc	2901	}
wim	30:033048611c01	2902	}
wim	30:033048611c01	2903
wim	30:033048611c01	2904	// Set BL pin
wim	30:033048611c01	2905	void TextLCD_SPI_N_3_10::_setBL(bool value) {
wim	30:033048611c01	2906	if (_bl) {
wim	30:033048611c01	2907	_bl->write(value);
wim	30:033048611c01	2908	}
wim	30:033048611c01	2909	}
wim	30:033048611c01	2910
wim	30:033048611c01	2911	// Not used in this mode
wim	30:033048611c01	2912	void TextLCD_SPI_N_3_10::_setData(int value) {
wim	30:033048611c01	2913	}
wim	30:033048611c01	2914
wim	30:033048611c01	2915	// Write a byte using SPI3 10 bits mode
wim	30:033048611c01	2916	void TextLCD_SPI_N_3_10::_writeByte(int value) {
wim	30:033048611c01	2917	_cs = 0;
wim	30:033048611c01	2918	wait_us(1);
wim	30:033048611c01	2919	_spi->write( (_controlbyte << 8) \| (value & 0xFF));
wim	30:033048611c01	2920	wait_us(1);
wim	30:033048611c01	2921	_cs = 1;
wim	30:033048611c01	2922	}
wim	34:e5a0dcb43ecc	2923	#endif /* Native SPI bus */
wim	30:033048611c01	2924	//------- End TextLCD_SPI_N_3_10 ----------
wim	34:e5a0dcb43ecc	2925
wim	32:59c4b8f648d4	2926
wim	32:59c4b8f648d4	2927	//------- Start TextLCD_SPI_N_3_16 --------
wim	34:e5a0dcb43ecc	2928	#if(LCD_SPI_N_3_16 == 1) /* Native SPI bus */
wim	34:e5a0dcb43ecc	2929	//Code checked out on logic analyser. Not yet tested on hardware..
wim	32:59c4b8f648d4	2930
wim	32:59c4b8f648d4	2931	/** Create a TextLCD interface using a controller with a native SPI3 16 bits interface
wim	32:59c4b8f648d4	2932	*
wim	32:59c4b8f648d4	2933	* @param spi SPI Bus
wim	32:59c4b8f648d4	2934	* @param cs chip select pin (active low)
wim	32:59c4b8f648d4	2935	* @param type Sets the panel size/addressing mode (default = LCD16x2)
wim	32:59c4b8f648d4	2936	* @param bl Backlight control line (optional, default = NC)
wim	32:59c4b8f648d4	2937	* @param ctrl LCD controller (default = PT6314)
wim	32:59c4b8f648d4	2938	*/
wim	32:59c4b8f648d4	2939	TextLCD_SPI_N_3_16::TextLCD_SPI_N_3_16(SPI *spi, PinName cs, LCDType type, PinName bl, LCDCtrl ctrl) :
wim	32:59c4b8f648d4	2940	TextLCD_Base(type, ctrl),
wim	32:59c4b8f648d4	2941	_spi(spi),
wim	32:59c4b8f648d4	2942	_cs(cs) {
wim	32:59c4b8f648d4	2943
wim	32:59c4b8f648d4	2944	// Init CS
wim	32:59c4b8f648d4	2945	_cs = 1;
wim	32:59c4b8f648d4	2946
wim	32:59c4b8f648d4	2947	// Setup the spi for 8 bit data, low steady state clock,
wim	32:59c4b8f648d4	2948	// rising edge capture, with a 500KHz or 1MHz clock rate
wim	32:59c4b8f648d4	2949	_spi->format(8,0);
wim	32:59c4b8f648d4	2950	_spi->frequency(1000000);
wim	32:59c4b8f648d4	2951
wim	32:59c4b8f648d4	2952	// The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access.
wim	32:59c4b8f648d4	2953	if (bl != NC) {
wim	32:59c4b8f648d4	2954	_bl = new DigitalOut(bl); //Construct new pin
wim	32:59c4b8f648d4	2955	_bl->write(0); //Deactivate
wim	32:59c4b8f648d4	2956	}
wim	32:59c4b8f648d4	2957	else {
wim	32:59c4b8f648d4	2958	// No Hardware Backlight pin
wim	32:59c4b8f648d4	2959	_bl = NULL; //Construct dummy pin
wim	32:59c4b8f648d4	2960	}
wim	32:59c4b8f648d4	2961
wim	32:59c4b8f648d4	2962	//Sanity check
wim	32:59c4b8f648d4	2963	if (_ctrl & LCD_C_SPI3_16) {
wim	32:59c4b8f648d4	2964	_init();
wim	32:59c4b8f648d4	2965	}
wim	32:59c4b8f648d4	2966	else {
wim	32:59c4b8f648d4	2967	error("Error: LCD Controller type does not support native SPI3 16 bits interface\n\r");
wim	32:59c4b8f648d4	2968	}
wim	32:59c4b8f648d4	2969	}
wim	32:59c4b8f648d4	2970
wim	32:59c4b8f648d4	2971	TextLCD_SPI_N_3_16::~TextLCD_SPI_N_3_16() {
wim	32:59c4b8f648d4	2972	if (_bl != NULL) {delete _bl;} // BL pin
wim	32:59c4b8f648d4	2973	}
wim	32:59c4b8f648d4	2974
wim	32:59c4b8f648d4	2975	// Not used in this mode
wim	32:59c4b8f648d4	2976	void TextLCD_SPI_N_3_16::_setEnable(bool value) {
wim	32:59c4b8f648d4	2977	}
wim	32:59c4b8f648d4	2978
wim	32:59c4b8f648d4	2979	// Set RS pin
wim	32:59c4b8f648d4	2980	// Used for mbed pins, I2C bus expander or SPI shiftregister
wim	32:59c4b8f648d4	2981	void TextLCD_SPI_N_3_16::_setRS(bool value) {
wim	32:59c4b8f648d4	2982	// The 16bit mode is split in 2 bytes. The first byte is for synchronisation and controlbits. The controlbits define the meaning of the next byte.
wim	32:59c4b8f648d4	2983	// The 8 actual bits represent either a data or a command byte.
wim	32:59c4b8f648d4	2984	// b15 b14 b13 b12 b11 b10 b9 b8 - b7 b6 b5 b4 b3 b2 b1 b0
wim	32:59c4b8f648d4	2985	// 1 1 1 1 1 RW RS 0 d7 d6 d5 d4 d3 d2 d1 d0
wim	32:59c4b8f648d4	2986	//
wim	32:59c4b8f648d4	2987	// RS=1 means that next byte is data, RS=0 means that next byte is command
wim	32:59c4b8f648d4	2988	// RW=0 means that next byte is writen, RW=1 means that next byte is read (not used in this lib)
wim	32:59c4b8f648d4	2989	//
wim	32:59c4b8f648d4	2990
wim	32:59c4b8f648d4	2991	if (value) {
wim	32:59c4b8f648d4	2992	_controlbyte = 0xFA; // Next byte is data
wim	32:59c4b8f648d4	2993	}
wim	32:59c4b8f648d4	2994	else {
wim	32:59c4b8f648d4	2995	_controlbyte = 0xF8; // Next byte is command
wim	32:59c4b8f648d4	2996	}
wim	32:59c4b8f648d4	2997	}
wim	32:59c4b8f648d4	2998
wim	32:59c4b8f648d4	2999	// Set BL pin
wim	32:59c4b8f648d4	3000	void TextLCD_SPI_N_3_16::_setBL(bool value) {
wim	32:59c4b8f648d4	3001	if (_bl) {
wim	32:59c4b8f648d4	3002	_bl->write(value);
wim	32:59c4b8f648d4	3003	}
wim	32:59c4b8f648d4	3004	}
wim	32:59c4b8f648d4	3005
wim	32:59c4b8f648d4	3006	// Not used in this mode
wim	32:59c4b8f648d4	3007	void TextLCD_SPI_N_3_16::_setData(int value) {
wim	32:59c4b8f648d4	3008	}
wim	34:e5a0dcb43ecc	3009
wim	32:59c4b8f648d4	3010	// Write a byte using SPI3 16 bits mode
wim	32:59c4b8f648d4	3011	void TextLCD_SPI_N_3_16::_writeByte(int value) {
wim	32:59c4b8f648d4	3012	_cs = 0;
wim	32:59c4b8f648d4	3013	wait_us(1);
wim	32:59c4b8f648d4	3014
wim	32:59c4b8f648d4	3015	_spi->write(_controlbyte);
wim	32:59c4b8f648d4	3016
wim	32:59c4b8f648d4	3017	_spi->write(value);
wim	32:59c4b8f648d4	3018
wim	32:59c4b8f648d4	3019	wait_us(1);
wim	32:59c4b8f648d4	3020	_cs = 1;
wim	32:59c4b8f648d4	3021	}
wim	34:e5a0dcb43ecc	3022	#endif /* Native SPI bus */
wim	32:59c4b8f648d4	3023	//------- End TextLCD_SPI_N_3_16 ----------
wim	34:e5a0dcb43ecc	3024
wim	34:e5a0dcb43ecc	3025
wim	32:59c4b8f648d4	3026	//------- Start TextLCD_SPI_N_3_24 --------
wim	34:e5a0dcb43ecc	3027	#if(LCD_SPI_N_3_24 == 1) /* Native SPI bus */
wim	32:59c4b8f648d4	3028
wim	32:59c4b8f648d4	3029	/** Create a TextLCD interface using a controller with a native SPI3 24 bits interface
wim	32:59c4b8f648d4	3030	*
wim	32:59c4b8f648d4	3031	* @param spi SPI Bus
wim	32:59c4b8f648d4	3032	* @param cs chip select pin (active low)
wim	32:59c4b8f648d4	3033	* @param type Sets the panel size/addressing mode (default = LCD16x2)
wim	32:59c4b8f648d4	3034	* @param bl Backlight control line (optional, default = NC)
wim	32:59c4b8f648d4	3035	* @param ctrl LCD controller (default = SSD1803)
wim	32:59c4b8f648d4	3036	*/
wim	32:59c4b8f648d4	3037	TextLCD_SPI_N_3_24::TextLCD_SPI_N_3_24(SPI *spi, PinName cs, LCDType type, PinName bl, LCDCtrl ctrl) :
wim	32:59c4b8f648d4	3038	TextLCD_Base(type, ctrl),
wim	32:59c4b8f648d4	3039	_spi(spi),
wim	32:59c4b8f648d4	3040	_cs(cs) {
wim	32:59c4b8f648d4	3041
wim	32:59c4b8f648d4	3042	// Init CS
wim	32:59c4b8f648d4	3043	_cs = 1;
wim	32:59c4b8f648d4	3044
wim	34:e5a0dcb43ecc	3045	// Setup the spi for 8 bit data, high steady state clock,
wim	32:59c4b8f648d4	3046	// rising edge capture, with a 500KHz or 1MHz clock rate
wim	34:e5a0dcb43ecc	3047	_spi->format(8,3);
wim	32:59c4b8f648d4	3048	_spi->frequency(1000000);
wim	32:59c4b8f648d4	3049
wim	32:59c4b8f648d4	3050	// The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access.
wim	32:59c4b8f648d4	3051	if (bl != NC) {
wim	32:59c4b8f648d4	3052	_bl = new DigitalOut(bl); //Construct new pin
wim	32:59c4b8f648d4	3053	_bl->write(0); //Deactivate
wim	32:59c4b8f648d4	3054	}
wim	32:59c4b8f648d4	3055	else {
wim	32:59c4b8f648d4	3056	// No Hardware Backlight pin
wim	32:59c4b8f648d4	3057	_bl = NULL; //Construct dummy pin
wim	32:59c4b8f648d4	3058	}
wim	32:59c4b8f648d4	3059
wim	32:59c4b8f648d4	3060	//Sanity check
wim	32:59c4b8f648d4	3061	if (_ctrl & LCD_C_SPI3_24) {
wim	32:59c4b8f648d4	3062	_init();
wim	32:59c4b8f648d4	3063	}
wim	32:59c4b8f648d4	3064	else {
wim	32:59c4b8f648d4	3065	error("Error: LCD Controller type does not support native SPI3 24 bits interface\n\r");
wim	32:59c4b8f648d4	3066	}
wim	32:59c4b8f648d4	3067	}
wim	32:59c4b8f648d4	3068
wim	32:59c4b8f648d4	3069	TextLCD_SPI_N_3_24::~TextLCD_SPI_N_3_24() {
wim	32:59c4b8f648d4	3070	if (_bl != NULL) {delete _bl;} // BL pin
wim	32:59c4b8f648d4	3071	}
wim	32:59c4b8f648d4	3072
wim	32:59c4b8f648d4	3073	// Not used in this mode
wim	32:59c4b8f648d4	3074	void TextLCD_SPI_N_3_24::_setEnable(bool value) {
wim	32:59c4b8f648d4	3075	}
wim	32:59c4b8f648d4	3076
wim	32:59c4b8f648d4	3077	// Set RS pin
wim	32:59c4b8f648d4	3078	// Used for mbed pins, I2C bus expander or SPI shiftregister
wim	32:59c4b8f648d4	3079	void TextLCD_SPI_N_3_24::_setRS(bool value) {
wim	32:59c4b8f648d4	3080	// The 24bit mode is split in 3 bytes. The first byte is for synchronisation and controlbits. The controlbits define the meaning of the next two bytes.
wim	32:59c4b8f648d4	3081	// Each byte encodes 4 actual bits. The 8 actual bits represent either a data or a command byte.
wim	32:59c4b8f648d4	3082	// b23 b22 b21 b20 b19 b18 b17 b16 - b15 b14 b13 b12 b11 b10 b9 b8 - b7 b6 b5 b4 b3 b2 b1 b0
wim	32:59c4b8f648d4	3083	// 1 1 1 1 1 RW RS 0 d0 d1 d2 d3 0 0 0 0 d4 d5 d6 d7 0 0 0 0
wim	32:59c4b8f648d4	3084	//
wim	32:59c4b8f648d4	3085	// RS=1 means that next byte is data, RS=0 means that next byte is command
wim	32:59c4b8f648d4	3086	// RW=0 means that next byte is writen, RW=1 means that next byte is read (not used in this lib)
wim	32:59c4b8f648d4	3087	//
wim	32:59c4b8f648d4	3088	// Note: SPI3_24 expects LSB first. This is inconsistent with regular SPI convention (and hardware) that sends MSB first.
wim	32:59c4b8f648d4	3089
wim	32:59c4b8f648d4	3090	if (value) {
wim	32:59c4b8f648d4	3091	_controlbyte = 0xFA; // Next byte is data
wim	32:59c4b8f648d4	3092	}
wim	32:59c4b8f648d4	3093	else {
wim	32:59c4b8f648d4	3094	_controlbyte = 0xF8; // Next byte is command
wim	34:e5a0dcb43ecc	3095	}
wim	32:59c4b8f648d4	3096	}
wim	32:59c4b8f648d4	3097
wim	32:59c4b8f648d4	3098	// Set BL pin
wim	32:59c4b8f648d4	3099	void TextLCD_SPI_N_3_24::_setBL(bool value) {
wim	32:59c4b8f648d4	3100	if (_bl) {
wim	32:59c4b8f648d4	3101	_bl->write(value);
wim	32:59c4b8f648d4	3102	}
wim	32:59c4b8f648d4	3103	}
wim	32:59c4b8f648d4	3104
wim	32:59c4b8f648d4	3105	// Not used in this mode
wim	32:59c4b8f648d4	3106	void TextLCD_SPI_N_3_24::_setData(int value) {
wim	32:59c4b8f648d4	3107	}
wim	32:59c4b8f648d4	3108
wim	32:59c4b8f648d4	3109	//Mapping table to flip the bits around cause SPI3_24 expects LSB first.
wim	32:59c4b8f648d4	3110	const uint8_t map3_24[16] = {0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0, 0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0};
wim	32:59c4b8f648d4	3111
wim	32:59c4b8f648d4	3112	// Write a byte using SPI3 24 bits mode
wim	32:59c4b8f648d4	3113	void TextLCD_SPI_N_3_24::_writeByte(int value) {
wim	32:59c4b8f648d4	3114	_cs = 0;
wim	32:59c4b8f648d4	3115	wait_us(1);
wim	32:59c4b8f648d4	3116	_spi->write(_controlbyte);
wim	32:59c4b8f648d4	3117
wim	32:59c4b8f648d4	3118	//Map and send the LSB nibble
wim	32:59c4b8f648d4	3119	_spi->write( map3_24[value & 0x0F]);
wim	32:59c4b8f648d4	3120
wim	32:59c4b8f648d4	3121	//Map and send the MSB nibble
wim	32:59c4b8f648d4	3122	_spi->write( map3_24[(value >> 4) & 0x0F]);
wim	32:59c4b8f648d4	3123
wim	32:59c4b8f648d4	3124	wait_us(1);
wim	32:59c4b8f648d4	3125	_cs = 1;
wim	32:59c4b8f648d4	3126	}
wim	34:e5a0dcb43ecc	3127	#endif /* Native SPI bus */
wim	32:59c4b8f648d4	3128	//------- End TextLCD_SPI_N_3_24 ----------

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Type:	Library
Created:	23 Oct 2019
Imports:	3
Forks:	0
Commits:	43
Dependents:	1
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TextLCD.cpp@35:311be6444a39, 2014-10-10 (annotated)

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