just a fork with another display choosen. LCD at D1 ROBOT shield seems to in YWROBOT configuration.
Fork of TextLCD by
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 ---------- |