display funciona!
Dependents: 2018_I2C_LCD_03 TBI_FIAT_FEEDFORWARD Ignition Can_between_NUCLEOS_LCD ... more
Fork of TextLCD by
TextLCD.cpp@41:111ca62e8a59, 2015-11-06 (annotated)
- Committer:
- wim
- Date:
- Fri Nov 06 18:59:27 2015 +0000
- Revision:
- 41:111ca62e8a59
- Parent:
- 40:d3496c3ea301
Added setFont() support (for SSD1803, US2066, ST7070) and support for UTF-8 code (Cyrillic language), added SPLC792A controller.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
wim | 37:ce348c002929 | 1 | /* mbed TextLCD Library, for LCDs based on HD44780 controllers |
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 |
wim | 36:9f5f86dfd44a | 19 | * 2014, v16: WH, Added ST7070 and KS0073 support, added setIcon(), clrIcon() and setInvert() method for supported devices |
wim | 37:ce348c002929 | 20 | * 2015, v17: WH, Clean up low-level _writeCommand() and _writeData(), Added support for alternative fonttables (eg PCF21XX), Added ST7066_ACM controller for ACM1602 module |
wim | 38:cbe275b0b647 | 21 | * 2015, v18: WH, Performance improvement I2C portexpander |
wim | 38:cbe275b0b647 | 22 | * 2015, v19: WH, Fixed Adafruit I2C/SPI portexpander pinmappings, fixed SYDZ Backlight |
wim | 39:e9c2319de9c5 | 23 | * 2015, v20: WH, Fixed occasional Init fail caused by insufficient wait time after ReturnHome command (0x02), Added defines to reduce memory footprint (eg LCD_ICON), |
wim | 40:d3496c3ea301 | 24 | * Fixed and Added more fonttable support for PCF2119R_3V3, Added HD66712 controller. |
wim | 41:111ca62e8a59 | 25 | * 2015, v21: WH, Added LCD32x2 defines and code, Fixed KS0073 DL=1 init for SPI, Added defines to reduce memory footprint (LCD_TWO_CTRL, LCD_CONTRAST, LCD_UTF8_FONT) |
wim | 41:111ca62e8a59 | 26 | * Added SPLC792A controller, Added UTF8_2_LCD decode for Cyrilic font (By Andriy Ribalko). Added setFont() |
simon | 1:ac48b187213c | 27 | * |
simon | 1:ac48b187213c | 28 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
simon | 1:ac48b187213c | 29 | * of this software and associated documentation files (the "Software"), to deal |
simon | 1:ac48b187213c | 30 | * in the Software without restriction, including without limitation the rights |
simon | 1:ac48b187213c | 31 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
simon | 1:ac48b187213c | 32 | * copies of the Software, and to permit persons to whom the Software is |
simon | 1:ac48b187213c | 33 | * furnished to do so, subject to the following conditions: |
simon | 1:ac48b187213c | 34 | * |
simon | 1:ac48b187213c | 35 | * The above copyright notice and this permission notice shall be included in |
simon | 1:ac48b187213c | 36 | * all copies or substantial portions of the Software. |
simon | 1:ac48b187213c | 37 | * |
simon | 1:ac48b187213c | 38 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
simon | 1:ac48b187213c | 39 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
simon | 1:ac48b187213c | 40 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
simon | 1:ac48b187213c | 41 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
simon | 1:ac48b187213c | 42 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
simon | 1:ac48b187213c | 43 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
simon | 1:ac48b187213c | 44 | * THE SOFTWARE. |
simon | 1:ac48b187213c | 45 | */ |
wim | 34:e5a0dcb43ecc | 46 | #include "mbed.h" |
simon | 1:ac48b187213c | 47 | #include "TextLCD.h" |
wim | 34:e5a0dcb43ecc | 48 | #include "TextLCD_UDC.inc" |
wim | 41:111ca62e8a59 | 49 | #include "TextLCD_UTF8.inc" |
wim | 34:e5a0dcb43ecc | 50 | |
wim | 21:9eb628d9e164 | 51 | /** Create a TextLCD_Base interface |
wim | 15:b70ebfffb258 | 52 | * |
wim | 21:9eb628d9e164 | 53 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
wim | 21:9eb628d9e164 | 54 | * @param ctrl LCD controller (default = HD44780) |
wim | 15:b70ebfffb258 | 55 | */ |
wim | 21:9eb628d9e164 | 56 | TextLCD_Base::TextLCD_Base(LCDType type, LCDCtrl ctrl) : _type(type), _ctrl(ctrl) { |
wim | 30:033048611c01 | 57 | |
wim | 30:033048611c01 | 58 | // Extract LCDType data |
wim | 30:033048611c01 | 59 | |
wim | 41:111ca62e8a59 | 60 | // Columns encoded in b15..b8 |
wim | 41:111ca62e8a59 | 61 | _nr_cols = (_type & LCD_T_COL_MSK) >> LCD_T_COL_SHFT; |
wim | 41:111ca62e8a59 | 62 | |
wim | 41:111ca62e8a59 | 63 | // Rows encoded in b23..b16 |
wim | 41:111ca62e8a59 | 64 | _nr_rows = (_type & LCD_T_ROW_MSK) >> LCD_T_ROW_SHFT; |
wim | 41:111ca62e8a59 | 65 | |
wim | 41:111ca62e8a59 | 66 | // Addressing mode encoded in b27..b24 |
wim | 30:033048611c01 | 67 | _addr_mode = _type & LCD_T_ADR_MSK; |
wim | 37:ce348c002929 | 68 | |
wim | 37:ce348c002929 | 69 | // Font table, encoded in LCDCtrl |
wim | 39:e9c2319de9c5 | 70 | _font = _ctrl & LCD_C_FNT_MSK; |
wim | 14:0c32b66b14b8 | 71 | } |
wim | 14:0c32b66b14b8 | 72 | |
wim | 21:9eb628d9e164 | 73 | /** Init the LCD Controller(s) |
wim | 21:9eb628d9e164 | 74 | * Clear display |
wim | 36:9f5f86dfd44a | 75 | * @param _LCDDatalength dl sets the datalength of data/commands |
wim | 36:9f5f86dfd44a | 76 | * @return none |
wim | 21:9eb628d9e164 | 77 | */ |
wim | 36:9f5f86dfd44a | 78 | void TextLCD_Base::_init(_LCDDatalength dl) { |
wim | 38:cbe275b0b647 | 79 | |
wim | 38:cbe275b0b647 | 80 | wait_ms(100); // Wait 100ms to ensure powered up |
wim | 15:b70ebfffb258 | 81 | |
wim | 41:111ca62e8a59 | 82 | #if (LCD_TWO_CTRL == 1) |
wim | 15:b70ebfffb258 | 83 | // Select and configure second LCD controller when needed |
wim | 15:b70ebfffb258 | 84 | if(_type==LCD40x4) { |
wim | 30:033048611c01 | 85 | _ctrl_idx=_LCDCtrl_1; // Select 2nd controller |
wim | 36:9f5f86dfd44a | 86 | _initCtrl(dl); // Init 2nd controller |
wim | 15:b70ebfffb258 | 87 | } |
wim | 41:111ca62e8a59 | 88 | #endif |
wim | 15:b70ebfffb258 | 89 | |
wim | 15:b70ebfffb258 | 90 | // Select and configure primary LCD controller |
wim | 27:22d5086f6ba6 | 91 | _ctrl_idx=_LCDCtrl_0; // Select primary controller |
wim | 36:9f5f86dfd44a | 92 | _initCtrl(dl); // Init primary controller |
wim | 28:30fa94f7341c | 93 | |
wim | 32:59c4b8f648d4 | 94 | // Clear whole display and Reset Cursor location |
wim | 32:59c4b8f648d4 | 95 | // Note: This will make sure that some 3-line displays that skip topline of a 4-line configuration |
wim | 32:59c4b8f648d4 | 96 | // are cleared and init cursor correctly. |
wim | 32:59c4b8f648d4 | 97 | cls(); |
wim | 15:b70ebfffb258 | 98 | } |
wim | 15:b70ebfffb258 | 99 | |
wim | 21:9eb628d9e164 | 100 | /** Init the LCD controller |
wim | 36:9f5f86dfd44a | 101 | * Set number of lines, fonttype, no cursor etc |
wim | 36:9f5f86dfd44a | 102 | * The controller is accessed in 4-bit parallel mode either directly via mbed pins or through I2C or SPI expander. |
wim | 36:9f5f86dfd44a | 103 | * Some controllers also support native I2C or SPI interfaces. |
wim | 36:9f5f86dfd44a | 104 | * |
wim | 41:111ca62e8a59 | 105 | * @param _LCDDatalength dl sets the 4 or 8 bit datalength of data/commands. Required for some native serial modes that dont work when DL=0. |
wim | 36:9f5f86dfd44a | 106 | * @return none |
wim | 30:033048611c01 | 107 | * |
wim | 30:033048611c01 | 108 | * Note: some configurations are commented out because they have not yet been tested due to lack of hardware |
wim | 21:9eb628d9e164 | 109 | */ |
wim | 36:9f5f86dfd44a | 110 | void TextLCD_Base::_initCtrl(_LCDDatalength dl) { |
wim | 32:59c4b8f648d4 | 111 | int _bias_lines=0; // Set Bias and lines (Instr Set 1), temporary variable. |
wim | 32:59c4b8f648d4 | 112 | int _lines=0; // Set lines (Ext Instr Set), temporary variable. |
wim | 36:9f5f86dfd44a | 113 | |
wim | 26:bd897a001012 | 114 | this->_setRS(false); // command mode |
simon | 1:ac48b187213c | 115 | |
wim | 37:ce348c002929 | 116 | if (dl == _LCD_DL_4) { |
wim | 37:ce348c002929 | 117 | // The Controller could be in 8 bit mode (power-on reset) or in 4 bit mode (warm reboot) at this point. |
wim | 37:ce348c002929 | 118 | // Follow this procedure to make sure the Controller enters the correct state. The hardware interface |
wim | 37:ce348c002929 | 119 | // between the uP and the LCD can only write the 4 most significant bits (Most Significant Nibble, MSN). |
wim | 37:ce348c002929 | 120 | // In 4 bit mode the LCD expects the MSN first, followed by the LSN. |
wim | 37:ce348c002929 | 121 | // |
wim | 38:cbe275b0b647 | 122 | // Current state: 8 bit mode | 4 bit mode, MSN is next | 4 bit mode, LSN is next |
wim | 37:ce348c002929 | 123 | //------------------------------------------------------------------------------------------------- |
wim | 38:cbe275b0b647 | 124 | _writeNibble(0x3); // set 8 bit mode (MSN) and dummy LSN, | set 8 bit mode (MSN), | set dummy LSN, |
wim | 38:cbe275b0b647 | 125 | // remains in 8 bit mode | remains in 4 bit mode | remains in 4 bit mode |
wim | 37:ce348c002929 | 126 | wait_ms(15); // |
wim | 37:ce348c002929 | 127 | |
wim | 38:cbe275b0b647 | 128 | _writeNibble(0x3); // set 8 bit mode (MSN) and dummy LSN, | set dummy LSN, | set 8bit mode (MSN), |
wim | 38:cbe275b0b647 | 129 | // remains in 8 bit mode | change to 8 bit mode | remains in 4 bit mode |
wim | 37:ce348c002929 | 130 | wait_ms(15); // |
wim | 33:900a94bc7585 | 131 | |
wim | 38:cbe275b0b647 | 132 | _writeNibble(0x3); // set 8 bit mode (MSN) and dummy LSN, | set 8 bit mode (MSN) and dummy LSN, | set dummy LSN, |
wim | 38:cbe275b0b647 | 133 | // remains in 8 bit mode | remains in 8 bit mode | change to 8 bit mode |
wim | 37:ce348c002929 | 134 | wait_ms(15); // |
wim | 37:ce348c002929 | 135 | |
wim | 37:ce348c002929 | 136 | // Controller is now in 8 bit mode |
wim | 37:ce348c002929 | 137 | |
wim | 37:ce348c002929 | 138 | _writeNibble(0x2); // Change to 4-bit mode (MSN), the LSN is undefined dummy |
wim | 37:ce348c002929 | 139 | wait_us(40); // most instructions take 40us |
wim | 37:ce348c002929 | 140 | |
wim | 37:ce348c002929 | 141 | // Controller is now in 4-bit mode |
wim | 37:ce348c002929 | 142 | // Note: 4/8 bit mode is ignored for most native SPI and I2C devices. They dont use the parallel bus. |
wim | 37:ce348c002929 | 143 | // However, _writeNibble() method is void anyway for native SPI and I2C devices. |
wim | 38:cbe275b0b647 | 144 | } |
wim | 38:cbe275b0b647 | 145 | else { |
wim | 38:cbe275b0b647 | 146 | // Reset in 8 bit mode, final Function set will follow |
wim | 38:cbe275b0b647 | 147 | _writeCommand(0x30); // Function set 0 0 1 DL=1 N F x x |
wim | 39:e9c2319de9c5 | 148 | wait_ms(1); // most instructions take 40us |
wim | 37:ce348c002929 | 149 | } |
wim | 25:6162b31128c9 | 150 | |
wim | 29:a3663151aa65 | 151 | // Device specific initialisations: DC/DC converter to generate VLCD or VLED, number of lines etc |
wim | 19:c747b9e2e7b8 | 152 | switch (_ctrl) { |
wim | 32:59c4b8f648d4 | 153 | |
wim | 36:9f5f86dfd44a | 154 | case KS0073: |
wim | 36:9f5f86dfd44a | 155 | // Initialise Display configuration |
wim | 36:9f5f86dfd44a | 156 | switch (_type) { |
wim | 41:111ca62e8a59 | 157 | // case LCD6x1: |
wim | 36:9f5f86dfd44a | 158 | case LCD8x1: //8x1 is a regular 1 line display |
wim | 41:111ca62e8a59 | 159 | // case LCD8x2B: //8x1 is a 16x1 line display |
wim | 36:9f5f86dfd44a | 160 | case LCD12x1: |
wim | 36:9f5f86dfd44a | 161 | case LCD16x1: |
wim | 36:9f5f86dfd44a | 162 | case LCD20x1: |
wim | 36:9f5f86dfd44a | 163 | case LCD24x1: |
wim | 36:9f5f86dfd44a | 164 | // case LCD32x1: // EXT pin is High, extension driver needed |
wim | 41:111ca62e8a59 | 165 | // case LCD40x1: // EXT pin is High, extension driver needed |
wim | 41:111ca62e8a59 | 166 | // case LCD52x1: // EXT pin is High, extension driver needed |
wim | 41:111ca62e8a59 | 167 | _function = dl | 0x02; // Set function, 0 0 1 DL, N, RE(0), DH, REV |
wim | 41:111ca62e8a59 | 168 | // Note: 4 bit mode is NOT ignored for native SPI ! |
wim | 41:111ca62e8a59 | 169 | // DL=1 (8 bits bus), DL=0 (4 bits bus) |
wim | 41:111ca62e8a59 | 170 | // N=0 (1-line mode), N=1 (2-line mode), dont care for 4 line mode |
wim | 41:111ca62e8a59 | 171 | // RE=0 (Dis. Extended Regs, special mode for KS0073) |
wim | 41:111ca62e8a59 | 172 | // DH=1 (Disp shift enable, special mode for KS0073) |
wim | 41:111ca62e8a59 | 173 | // REV=0 (Reverse normal, special mode for KS0073) |
wim | 41:111ca62e8a59 | 174 | |
wim | 41:111ca62e8a59 | 175 | _function_1 = dl | 0x04; // Set function, 0 0 1 DL, N, RE(1), BE, LP (Ext Regs) |
wim | 41:111ca62e8a59 | 176 | // Note: 4 bit mode is NOT ignored for native SPI ! |
wim | 41:111ca62e8a59 | 177 | // DL=1 (8 bits bus), DL=0 (4 bits bus) |
wim | 41:111ca62e8a59 | 178 | // N=0 (1-line mode), N=1 (2-line mode), dont care for 4 line mode |
wim | 41:111ca62e8a59 | 179 | // RE=1 (Ena Extended Regs, special mode for KS0073) |
wim | 41:111ca62e8a59 | 180 | // BE=0 (Blink Enable, CG/SEG RAM, special mode for KS0073) |
wim | 41:111ca62e8a59 | 181 | // LP=0 (LP=1 Low power mode, LP=0 Normal) |
wim | 36:9f5f86dfd44a | 182 | |
wim | 36:9f5f86dfd44a | 183 | _function_x = 0x00; // Ext Function set 0000 1 FW BW NW (Ext Regs) |
wim | 41:111ca62e8a59 | 184 | // NW=0 (1,2 line), NW=1 (4 Line, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 185 | break; |
wim | 36:9f5f86dfd44a | 186 | |
wim | 36:9f5f86dfd44a | 187 | // case LCD12x3D: // Special mode for KS0073, KS0078 and PCF21XX |
wim | 36:9f5f86dfd44a | 188 | // case LCD12x3D1: // Special mode for KS0073, KS0078 and PCF21XX |
wim | 36:9f5f86dfd44a | 189 | case LCD12x4D: // Special mode for KS0073, KS0078 and PCF21XX |
wim | 36:9f5f86dfd44a | 190 | // case LCD16x3D: // Special mode for KS0073, KS0078 |
wim | 41:111ca62e8a59 | 191 | // case LCD16x3D1: // Special mode for KS0073, KS0078 |
wim | 36:9f5f86dfd44a | 192 | // case LCD16x4D: // Special mode for KS0073, KS0078 |
wim | 36:9f5f86dfd44a | 193 | case LCD20x4D: // Special mode for KS0073, KS0078 |
wim | 41:111ca62e8a59 | 194 | _function = dl | 0x02; // Set function, 0 0 1 DL, N, RE(0), DH, REV |
wim | 41:111ca62e8a59 | 195 | // Note: 4 bit mode is NOT ignored for native SPI ! |
wim | 41:111ca62e8a59 | 196 | // DL=1 (8 bits bus), DL=0 (4 bits bus) |
wim | 41:111ca62e8a59 | 197 | // N=0 (1-line mode), N=1 (2-line mode), dont care for 4 line mode |
wim | 41:111ca62e8a59 | 198 | // RE=0 (Dis. Extended Regs, special mode for KS0073) |
wim | 41:111ca62e8a59 | 199 | // DH=1 (Disp shift enable, special mode for KS0073) |
wim | 41:111ca62e8a59 | 200 | // REV=0 (Reverse normal, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 201 | |
wim | 41:111ca62e8a59 | 202 | _function_1 = dl | 0x04; // Set function, 0 0 1 DL, N, RE(1), BE, LP (Ext Regs) |
wim | 41:111ca62e8a59 | 203 | // Note: 4 bit mode is NOT ignored for native SPI ! |
wim | 41:111ca62e8a59 | 204 | // DL=1 (8 bits bus), DL=0 (4 bits bus) |
wim | 41:111ca62e8a59 | 205 | // N=0 (1-line mode), N=1 (2-line mode), dont care for 4 line mode |
wim | 41:111ca62e8a59 | 206 | // RE=1 (Ena Extended Regs, special mode for KS0073) |
wim | 41:111ca62e8a59 | 207 | // BE=0 (Blink Enable, CG/SEG RAM, special mode for KS0073) |
wim | 41:111ca62e8a59 | 208 | // LP=0 (LP=1 Low power mode, LP=0 Normal) |
wim | 36:9f5f86dfd44a | 209 | |
wim | 36:9f5f86dfd44a | 210 | _function_x = 0x01; // Ext Function set 0000 1 FW BW NW (Ext Regs) |
wim | 41:111ca62e8a59 | 211 | // NW=0 (1,2 line), NW=1 (4 Line, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 212 | break; |
wim | 36:9f5f86dfd44a | 213 | |
wim | 41:111ca62e8a59 | 214 | // case LCD6x2: |
wim | 41:111ca62e8a59 | 215 | case LCD8x2: |
wim | 41:111ca62e8a59 | 216 | case LCD16x2: |
wim | 41:111ca62e8a59 | 217 | // case LCD16x1C: |
wim | 41:111ca62e8a59 | 218 | case LCD20x2: |
wim | 41:111ca62e8a59 | 219 | case LCD24x2: |
wim | 41:111ca62e8a59 | 220 | case LCD32x2: |
wim | 41:111ca62e8a59 | 221 | // All other LCD types are initialised as 2 Line displays |
wim | 41:111ca62e8a59 | 222 | _function = dl | 0x0A; // Set function, 0 0 1 DL, N, RE(0), DH, REV |
wim | 41:111ca62e8a59 | 223 | // Note: 4 bit mode is NOT ignored for native SPI ! |
wim | 41:111ca62e8a59 | 224 | // DL=1 (8 bits bus), DL=0 (4 bits bus) |
wim | 41:111ca62e8a59 | 225 | // N=1 (2-line mode), N=0 (1-line mode) |
wim | 41:111ca62e8a59 | 226 | // RE=0 (Dis. Extended Regs, special mode for KS0073) |
wim | 41:111ca62e8a59 | 227 | // DH=1 (Disp shift enable, special mode for KS0073) |
wim | 41:111ca62e8a59 | 228 | // REV=0 (Reverse normal, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 229 | |
wim | 41:111ca62e8a59 | 230 | _function_1 = dl | 0x0C; // Set function, 0 0 1 DL, N, RE(1), BE, LP (Ext Regs) |
wim | 41:111ca62e8a59 | 231 | // Note: 4 bit mode is NOT ignored for native SPI ! |
wim | 41:111ca62e8a59 | 232 | // DL=1 (8 bits bus), DL=0 (4 bits bus) |
wim | 41:111ca62e8a59 | 233 | // N=1 (2 line mode), N=0 (1-line mode) |
wim | 41:111ca62e8a59 | 234 | // RE=1 (Ena Extended Regs, special mode for KS0073) |
wim | 41:111ca62e8a59 | 235 | // BE=0 (Blink Enable, CG/SEG RAM, special mode for KS0073) |
wim | 41:111ca62e8a59 | 236 | // LP=0 (LP=1 Low power mode, LP=0 Normal) |
wim | 36:9f5f86dfd44a | 237 | |
wim | 36:9f5f86dfd44a | 238 | _function_x = 0x00; // Ext Function set 0000 1 FW BW NW (Ext Regs) |
wim | 36:9f5f86dfd44a | 239 | // NW=0 (1,2 line), NW=1 (4 Line, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 240 | break; |
wim | 41:111ca62e8a59 | 241 | |
wim | 41:111ca62e8a59 | 242 | default: |
wim | 41:111ca62e8a59 | 243 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 41:111ca62e8a59 | 244 | break; |
wim | 36:9f5f86dfd44a | 245 | } // switch type |
wim | 36:9f5f86dfd44a | 246 | |
wim | 36:9f5f86dfd44a | 247 | // init special features |
wim | 36:9f5f86dfd44a | 248 | _writeCommand(0x20 | _function_1);// Function set 001 DL N RE(1) BE LP (Ext Regs) |
wim | 36:9f5f86dfd44a | 249 | // DL=0 (4 bits bus), DL=1 (8 bits mode) |
wim | 36:9f5f86dfd44a | 250 | // N=0 (1 line mode), N=1 (2 line mode) |
wim | 36:9f5f86dfd44a | 251 | // RE=1 (Ena Extended Regs, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 252 | // BE=0 (Blink Enable/Disable, CG/SEG RAM, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 253 | // LP=0 (LP=1 Low power mode, LP=0 Normal) |
wim | 36:9f5f86dfd44a | 254 | |
wim | 36:9f5f86dfd44a | 255 | _writeCommand(0x08 | _function_x); // Ext Function set 0000 1 FW BW NW (Ext Regs) |
wim | 36:9f5f86dfd44a | 256 | // FW=0 (5-dot font, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 257 | // BW=0 (Cur BW invert disable, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 258 | // NW=0 (1,2 Line), NW=1 (4 line, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 259 | |
wim | 36:9f5f86dfd44a | 260 | _writeCommand(0x10); // Scroll/Shift set 0001 DS/HS4 DS/HS3 DS/HS2 DS/HS1 (Ext Regs) |
wim | 36:9f5f86dfd44a | 261 | // Dotscroll/Display shift enable (Special mode for KS0073) |
wim | 36:9f5f86dfd44a | 262 | |
wim | 36:9f5f86dfd44a | 263 | _writeCommand(0x80); // Scroll Quantity set 1 0 SQ5 SQ4 SQ3 SQ2 SQ1 SQ0 (Ext Regs) |
wim | 36:9f5f86dfd44a | 264 | // Scroll quantity (Special mode for KS0073) |
wim | 36:9f5f86dfd44a | 265 | |
wim | 36:9f5f86dfd44a | 266 | _writeCommand(0x20 | _function); // Function set 001 DL N RE(0) DH REV (Std Regs) |
wim | 36:9f5f86dfd44a | 267 | // DL=0 (4 bits bus), DL=1 (8 bits mode) |
wim | 36:9f5f86dfd44a | 268 | // N=0 (1 line mode), N=1 (2 line mode) |
wim | 36:9f5f86dfd44a | 269 | // RE=0 (Dis. Extended Regs, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 270 | // DH=1 (Disp shift enable/disable, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 271 | // REV=0 (Reverse/Normal, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 272 | break; // case KS0073 Controller |
wim | 36:9f5f86dfd44a | 273 | |
wim | 36:9f5f86dfd44a | 274 | |
wim | 29:a3663151aa65 | 275 | case KS0078: |
wim | 29:a3663151aa65 | 276 | // Initialise Display configuration |
wim | 29:a3663151aa65 | 277 | switch (_type) { |
wim | 29:a3663151aa65 | 278 | case LCD8x1: //8x1 is a regular 1 line display |
wim | 29:a3663151aa65 | 279 | case LCD8x2B: //8x2B is a special case of 16x1 |
wim | 29:a3663151aa65 | 280 | // case LCD12x1: |
wim | 29:a3663151aa65 | 281 | case LCD16x1: |
wim | 30:033048611c01 | 282 | // case LCD20x1: |
wim | 29:a3663151aa65 | 283 | case LCD24x1: |
wim | 41:111ca62e8a59 | 284 | _function = dl | 0x02; // Function set 001 DL N RE(0) DH REV (Std Regs) |
wim | 32:59c4b8f648d4 | 285 | // DL=0 (4 bits bus) |
wim | 32:59c4b8f648d4 | 286 | // N=0 (1 line mode), N=1 (2 line mode) |
wim | 32:59c4b8f648d4 | 287 | // RE=0 (Dis. Extended Regs, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 288 | // DH=1 (Disp shift enable, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 289 | // REV=0 (Reverse normal, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 290 | |
wim | 41:111ca62e8a59 | 291 | _function_1 = dl | 0x04; // Function set 001 DL N RE(1) BE 0 (Ext Regs) |
wim | 32:59c4b8f648d4 | 292 | // DL=0 (4 bits bus) |
wim | 32:59c4b8f648d4 | 293 | // N=0 (1 line mode), N=1 (2 line mode) |
wim | 32:59c4b8f648d4 | 294 | // RE=1 (Ena Extended Regs, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 295 | // BE=0 (Blink Enable, CG/SEG RAM, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 296 | // 0 |
wim | 30:033048611c01 | 297 | |
wim | 32:59c4b8f648d4 | 298 | _function_x = 0x00; // Ext Function set 0000 1 FW BW NW (Ext Regs) |
wim | 32:59c4b8f648d4 | 299 | // NW=0 (1,2 line), NW=1 (4 Line, special mode for KS0078) |
wim | 29:a3663151aa65 | 300 | break; |
wim | 29:a3663151aa65 | 301 | |
wim | 36:9f5f86dfd44a | 302 | // case LCD12x3D: // Special mode for KS0073, KS0078 and PCF21XX |
wim | 36:9f5f86dfd44a | 303 | // case LCD12x3D1: // Special mode for KS0073, KS0078 and PCF21XX |
wim | 36:9f5f86dfd44a | 304 | // case LCD12x4D: // Special mode for KS0073, KS0078 and PCF21XX |
wim | 36:9f5f86dfd44a | 305 | // case LCD16x3D: // Special mode for KS0073, KS0078 |
wim | 36:9f5f86dfd44a | 306 | // case LCD16x4D: // Special mode for KS0073, KS0078 |
wim | 36:9f5f86dfd44a | 307 | // case LCD20x4D: // Special mode for KS0073, KS0078 |
wim | 30:033048611c01 | 308 | // case LCD24x3D: // Special mode for KS0078 |
wim | 30:033048611c01 | 309 | // case LCD24x3D1: // Special mode for KS0078 |
wim | 30:033048611c01 | 310 | case LCD24x4D: // Special mode for KS0078 |
wim | 41:111ca62e8a59 | 311 | _function = dl | 0x02; // Function set 001 DL N RE(0) DH REV (Std Regs) |
wim | 32:59c4b8f648d4 | 312 | // DL=0 (4 bits bus) |
wim | 32:59c4b8f648d4 | 313 | // N=0 (dont care for 4 line mode) |
wim | 32:59c4b8f648d4 | 314 | // RE=0 (Dis. Extended Regs, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 315 | // DH=1 (Disp shift enable, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 316 | // REV=0 (Reverse normal, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 317 | |
wim | 41:111ca62e8a59 | 318 | _function_1 = dl | 0x04; // Function set 001 DL N RE(1) BE 0 (Ext Regs) |
wim | 32:59c4b8f648d4 | 319 | // DL=0 (4 bits bus) |
wim | 32:59c4b8f648d4 | 320 | // N=0 (1 line mode), N=1 (2 line mode) |
wim | 32:59c4b8f648d4 | 321 | // RE=1 (Ena Extended Regs, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 322 | // BE=0 (Blink Enable, CG/SEG RAM, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 323 | // 0 |
wim | 29:a3663151aa65 | 324 | |
wim | 32:59c4b8f648d4 | 325 | _function_x = 0x01; // Ext Function set 0000 1 FW BW NW (Ext Regs) |
wim | 32:59c4b8f648d4 | 326 | // NW=0 (1,2 line), NW=1 (4 Line, special mode for KS0078) |
wim | 30:033048611c01 | 327 | break; |
wim | 33:900a94bc7585 | 328 | |
wim | 41:111ca62e8a59 | 329 | // case LCD6x2: |
wim | 41:111ca62e8a59 | 330 | case LCD8x2: |
wim | 41:111ca62e8a59 | 331 | case LCD16x2: |
wim | 41:111ca62e8a59 | 332 | // case LCD16x1C: |
wim | 41:111ca62e8a59 | 333 | case LCD20x2: |
wim | 41:111ca62e8a59 | 334 | case LCD24x2: |
wim | 41:111ca62e8a59 | 335 | case LCD32x2: |
wim | 41:111ca62e8a59 | 336 | case LCD40x2: |
wim | 30:033048611c01 | 337 | // All other LCD types are initialised as 2 Line displays (including LCD16x1C and LCD40x4) |
wim | 41:111ca62e8a59 | 338 | _function = dl | 0x0A; // Function set 001 DL N RE(0) DH REV (Std Regs) |
wim | 32:59c4b8f648d4 | 339 | // DL=0 (4 bits bus) |
wim | 32:59c4b8f648d4 | 340 | // N=1 (1 line mode), N=1 (2 line mode) |
wim | 32:59c4b8f648d4 | 341 | // RE=0 (Dis. Extended Regs, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 342 | // DH=1 (Disp shift enable, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 343 | // REV=0 (Reverse normal, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 344 | |
wim | 41:111ca62e8a59 | 345 | _function_1 = dl | 0x0C; // Function set 001 DL N RE(1) BE 0 (Ext Regs) |
wim | 32:59c4b8f648d4 | 346 | // DL=0 (4 bits bus) |
wim | 32:59c4b8f648d4 | 347 | // N=1 (1 line mode), N=1 (2 line mode) |
wim | 32:59c4b8f648d4 | 348 | // RE=1 (Ena Extended Regs, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 349 | // BE=0 (Blink Enable, CG/SEG RAM, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 350 | // 0 |
wim | 30:033048611c01 | 351 | |
wim | 32:59c4b8f648d4 | 352 | _function_x = 0x00; // Ext Function set 0000 1 FW BW NW (Ext Regs) |
wim | 32:59c4b8f648d4 | 353 | // NW=0 (1,2 line), NW=1 (4 Line, special mode for KS0078) |
wim | 29:a3663151aa65 | 354 | break; |
wim | 41:111ca62e8a59 | 355 | |
wim | 41:111ca62e8a59 | 356 | default: |
wim | 41:111ca62e8a59 | 357 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 41:111ca62e8a59 | 358 | break; |
wim | 29:a3663151aa65 | 359 | } // switch type |
wim | 29:a3663151aa65 | 360 | |
wim | 32:59c4b8f648d4 | 361 | // init special features |
wim | 32:59c4b8f648d4 | 362 | _writeCommand(0x20 | _function_1);// Function set 001 DL N RE(1) BE 0 (Ext Regs) |
wim | 32:59c4b8f648d4 | 363 | // DL=0 (4 bits bus), DL=1 (8 bits mode) |
wim | 32:59c4b8f648d4 | 364 | // N=0 (1 line mode), N=1 (2 line mode) |
wim | 32:59c4b8f648d4 | 365 | // RE=1 (Ena Extended Regs, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 366 | // BE=0 (Blink Enable/Disable, CG/SEG RAM, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 367 | // 0 |
wim | 32:59c4b8f648d4 | 368 | |
wim | 32:59c4b8f648d4 | 369 | _writeCommand(0x08 | _function_x); // Ext Function set 0000 1 FW BW NW (Ext Regs) |
wim | 32:59c4b8f648d4 | 370 | // FW=0 (5-dot font, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 371 | // BW=0 (Cur BW invert disable, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 372 | // NW=0 (1,2 Line), NW=1 (4 line, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 373 | |
wim | 32:59c4b8f648d4 | 374 | _writeCommand(0x10); // Scroll/Shift set 0001 DS/HS4 DS/HS3 DS/HS2 DS/HS1 (Ext Regs) |
wim | 32:59c4b8f648d4 | 375 | // Dotscroll/Display shift enable (Special mode for KS0078) |
wim | 32:59c4b8f648d4 | 376 | |
wim | 32:59c4b8f648d4 | 377 | _writeCommand(0x80); // Scroll Quantity set 1 0 SQ5 SQ4 SQ3 SQ2 SQ1 SQ0 (Ext Regs) |
wim | 32:59c4b8f648d4 | 378 | // Scroll quantity (Special mode for KS0078) |
wim | 32:59c4b8f648d4 | 379 | |
wim | 32:59c4b8f648d4 | 380 | _writeCommand(0x20 | _function); // Function set 001 DL N RE(0) DH REV (Std Regs) |
wim | 32:59c4b8f648d4 | 381 | // DL=0 (4 bits bus), DL=1 (8 bits mode) |
wim | 32:59c4b8f648d4 | 382 | // N=0 (1 line mode), N=1 (2 line mode) |
wim | 32:59c4b8f648d4 | 383 | // RE=0 (Dis. Extended Regs, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 384 | // DH=1 (Disp shift enable/disable, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 385 | // REV=0 (Reverse/Normal, special mode for KS0078) |
wim | 29:a3663151aa65 | 386 | break; // case KS0078 Controller |
wim | 29:a3663151aa65 | 387 | |
wim | 26:bd897a001012 | 388 | case ST7032_3V3: |
wim | 26:bd897a001012 | 389 | // ST7032 controller: Initialise Voltage booster for VLCD. VDD=3V3 |
wim | 41:111ca62e8a59 | 390 | // Note: very similar to SPLC792A |
wim | 26:bd897a001012 | 391 | case ST7032_5V: |
wim | 32:59c4b8f648d4 | 392 | // ST7032 controller: Disable Voltage booster for VLCD. VDD=5V |
wim | 41:111ca62e8a59 | 393 | |
wim | 29:a3663151aa65 | 394 | // Initialise Display configuration |
wim | 29:a3663151aa65 | 395 | switch (_type) { |
wim | 29:a3663151aa65 | 396 | case LCD8x1: //8x1 is a regular 1 line display |
wim | 29:a3663151aa65 | 397 | case LCD8x2B: //8x2B is a special case of 16x1 |
wim | 29:a3663151aa65 | 398 | // case LCD12x1: |
wim | 29:a3663151aa65 | 399 | case LCD16x1: |
wim | 30:033048611c01 | 400 | // case LCD20x1: |
wim | 32:59c4b8f648d4 | 401 | case LCD24x1: |
wim | 32:59c4b8f648d4 | 402 | _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 | 403 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 32:59c4b8f648d4 | 404 | // Saved to allow switch between Instruction sets at later time |
wim | 32:59c4b8f648d4 | 405 | break; |
wim | 28:30fa94f7341c | 406 | |
wim | 32:59c4b8f648d4 | 407 | case LCD12x3D: // Special mode for KS0078 and PCF21XX |
wim | 32:59c4b8f648d4 | 408 | case LCD12x3D1: // Special mode for KS0078 and PCF21XX |
wim | 32:59c4b8f648d4 | 409 | case LCD12x4D: // Special mode for KS0078 and PCF21XX |
wim | 33:900a94bc7585 | 410 | case LCD16x3G: // Special mode for ST7036 |
wim | 32:59c4b8f648d4 | 411 | case LCD24x4D: // Special mode for KS0078 |
wim | 32:59c4b8f648d4 | 412 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 30:033048611c01 | 413 | break; |
wim | 29:a3663151aa65 | 414 | |
wim | 32:59c4b8f648d4 | 415 | default: |
wim | 32:59c4b8f648d4 | 416 | // All other LCD types are initialised as 2 Line displays |
wim | 32:59c4b8f648d4 | 417 | _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 | 418 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 32:59c4b8f648d4 | 419 | // Saved to allow switch between Instruction sets at later time |
wim | 32:59c4b8f648d4 | 420 | break; |
wim | 32:59c4b8f648d4 | 421 | } // switch type |
wim | 32:59c4b8f648d4 | 422 | |
wim | 32:59c4b8f648d4 | 423 | // init special features |
wim | 33:900a94bc7585 | 424 | _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N F 0 IS=1 Select Instr Set = 1 |
wim | 33:900a94bc7585 | 425 | |
wim | 33:900a94bc7585 | 426 | _writeCommand(0x1C); // Internal OSC frequency adjustment Framefreq=183HZ, Bias will be 1/4 (Instr Set=1) |
wim | 41:111ca62e8a59 | 427 | // Note: Bias and Osc register not available on SPLC792A |
wim | 32:59c4b8f648d4 | 428 | |
wim | 32:59c4b8f648d4 | 429 | _contrast = LCD_ST7032_CONTRAST; |
wim | 32:59c4b8f648d4 | 430 | _writeCommand(0x70 | (_contrast & 0x0F)); // Set Contrast Low bits, 0 1 1 1 C3 C2 C1 C0 (IS=1) |
wim | 32:59c4b8f648d4 | 431 | |
wim | 32:59c4b8f648d4 | 432 | |
wim | 32:59c4b8f648d4 | 433 | if (_ctrl == ST7032_3V3) { |
wim | 41:111ca62e8a59 | 434 | // _icon_power = 0x04; // Icon display off (Bit3=0), Booster circuit is turned on (Bit2=1) (IS=1) |
wim | 41:111ca62e8a59 | 435 | _icon_power = 0x0C; // Icon display on (Bit3=1), Booster circuit is turned on (Bit2=1) (IS=1) |
wim | 41:111ca62e8a59 | 436 | // Note: Booster circuit always on for SPLC792A, Bit2 is dont care |
wim | 32:59c4b8f648d4 | 437 | // Saved to allow contrast change at later time |
wim | 32:59c4b8f648d4 | 438 | } |
wim | 32:59c4b8f648d4 | 439 | else { |
wim | 36:9f5f86dfd44a | 440 | // _icon_power = 0x00; // Icon display off, Booster circuit is turned off (IS=1) |
wim | 36:9f5f86dfd44a | 441 | _icon_power = 0x08; // Icon display on, Booster circuit is turned off (IS=1) |
wim | 32:59c4b8f648d4 | 442 | // Saved to allow contrast change at later time |
wim | 32:59c4b8f648d4 | 443 | } |
wim | 32:59c4b8f648d4 | 444 | _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 | 445 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 32:59c4b8f648d4 | 446 | |
wim | 32:59c4b8f648d4 | 447 | _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 | 448 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 32:59c4b8f648d4 | 449 | |
wim | 32:59c4b8f648d4 | 450 | _writeCommand(0x20 | _function); // Select Instruction Set = 0 |
wim | 32:59c4b8f648d4 | 451 | |
wim | 32:59c4b8f648d4 | 452 | break; // case ST7032_3V3 Controller |
wim | 32:59c4b8f648d4 | 453 | // case ST7032_5V Controller |
wim | 32:59c4b8f648d4 | 454 | |
wim | 32:59c4b8f648d4 | 455 | case ST7036_3V3: |
wim | 32:59c4b8f648d4 | 456 | // ST7036 controller: Initialise Voltage booster for VLCD. VDD=3V3 |
wim | 32:59c4b8f648d4 | 457 | // Note: supports 1,2 (LCD_T_A) or 3 lines (LCD_T_G) |
wim | 32:59c4b8f648d4 | 458 | case ST7036_5V: |
wim | 32:59c4b8f648d4 | 459 | // ST7036 controller: Disable Voltage booster for VLCD. VDD=5V |
wim | 32:59c4b8f648d4 | 460 | // Note: supports 1,2 (LCD_T_A) or 3 lines (LCD_T_G) |
wim | 32:59c4b8f648d4 | 461 | |
wim | 32:59c4b8f648d4 | 462 | // Initialise Display configuration |
wim | 32:59c4b8f648d4 | 463 | switch (_type) { |
wim | 32:59c4b8f648d4 | 464 | case LCD8x1: //8x1 is a regular 1 line display |
wim | 32:59c4b8f648d4 | 465 | case LCD8x2B: //8x2D is a special case of 16x1 |
wim | 32:59c4b8f648d4 | 466 | // case LCD12x1: |
wim | 32:59c4b8f648d4 | 467 | case LCD16x1: |
wim | 32:59c4b8f648d4 | 468 | case LCD24x1: |
wim | 32:59c4b8f648d4 | 469 | _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 | 470 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 32:59c4b8f648d4 | 471 | // Saved to allow switch between Instruction sets at later time |
wim | 32:59c4b8f648d4 | 472 | |
wim | 32:59c4b8f648d4 | 473 | _bias_lines = 0x04; // Bias: 1/5, 1 or 2-Lines LCD |
wim | 32:59c4b8f648d4 | 474 | break; |
wim | 32:59c4b8f648d4 | 475 | |
wim | 32:59c4b8f648d4 | 476 | // case LCD12x3G: // Special mode for ST7036 |
wim | 32:59c4b8f648d4 | 477 | case LCD16x3G: // Special mode for ST7036 |
wim | 32:59c4b8f648d4 | 478 | _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 | 479 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 32:59c4b8f648d4 | 480 | // Saved to allow switch between Instruction sets at later time |
wim | 32:59c4b8f648d4 | 481 | |
wim | 32:59c4b8f648d4 | 482 | _bias_lines = 0x05; // Bias: 1/5, 3-Lines LCD |
wim | 32:59c4b8f648d4 | 483 | break; |
wim | 32:59c4b8f648d4 | 484 | |
wim | 32:59c4b8f648d4 | 485 | // case LCD12x3D1: // Special mode for KS0078 and PCF21XX |
wim | 32:59c4b8f648d4 | 486 | // case LCD16x3D1: // Special mode for SSD1803 |
wim | 30:033048611c01 | 487 | case LCD12x4D: // Special mode for PCF2116 |
wim | 30:033048611c01 | 488 | case LCD24x4D: // Special mode for KS0078 |
wim | 30:033048611c01 | 489 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 29:a3663151aa65 | 490 | break; |
wim | 28:30fa94f7341c | 491 | |
wim | 29:a3663151aa65 | 492 | default: |
wim | 32:59c4b8f648d4 | 493 | // All other LCD types are initialised as 2 Line displays (including LCD16x1C and LCD40x4) |
wim | 32:59c4b8f648d4 | 494 | _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 | 495 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 32:59c4b8f648d4 | 496 | // Saved to allow switch between Instruction sets at later time |
wim | 32:59c4b8f648d4 | 497 | |
wim | 32:59c4b8f648d4 | 498 | _bias_lines = 0x04; // Bias: 1/5, 1 or 2-Lines LCD |
wim | 32:59c4b8f648d4 | 499 | break; |
wim | 32:59c4b8f648d4 | 500 | } // switch type |
wim | 32:59c4b8f648d4 | 501 | |
wim | 29:a3663151aa65 | 502 | |
wim | 32:59c4b8f648d4 | 503 | // init special features |
wim | 33:900a94bc7585 | 504 | _writeCommand(0x20 | _function | 0x01); // Set function, IS2,IS1 = 01 (Select Instr Set = 1) |
wim | 32:59c4b8f648d4 | 505 | _writeCommand(0x10 | _bias_lines); // Set Bias and 1,2 or 3 lines (Instr Set 1) |
wim | 29:a3663151aa65 | 506 | |
wim | 32:59c4b8f648d4 | 507 | _contrast = LCD_ST7036_CONTRAST; |
wim | 32:59c4b8f648d4 | 508 | _writeCommand(0x70 | (_contrast & 0x0F)); // Set Contrast, 0 1 1 1 C3 C2 C1 C0 (Instr Set 1) |
wim | 32:59c4b8f648d4 | 509 | |
wim | 32:59c4b8f648d4 | 510 | if (_ctrl == ST7036_3V3) { |
wim | 36:9f5f86dfd44a | 511 | _icon_power = 0x0C; // Set Icon, Booster, Contrast High bits, 0 1 0 1 Ion=1 Bon=1 C5 C4 (Instr Set 1) |
wim | 36:9f5f86dfd44a | 512 | // _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 | 513 | // Saved to allow contrast change at later time |
wim | 32:59c4b8f648d4 | 514 | } |
wim | 32:59c4b8f648d4 | 515 | else { |
wim | 36:9f5f86dfd44a | 516 | _icon_power = 0x08; // Set Icon, Booster, Contrast High bits, 0 1 0 1 Ion=1 Bon=0 C5 C4 (Instr Set 1) |
wim | 36:9f5f86dfd44a | 517 | // _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 | 518 | } |
wim | 29:a3663151aa65 | 519 | |
wim | 32:59c4b8f648d4 | 520 | _writeCommand(0x50 | _icon_power | ((_contrast >> 4) & 0x03)); // Set Contrast C5, C4 (Instr Set 1) |
wim | 32:59c4b8f648d4 | 521 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 32:59c4b8f648d4 | 522 | |
wim | 32:59c4b8f648d4 | 523 | _writeCommand(0x68 | (LCD_ST7036_RAB & 0x07)); // Voltagefollower On = 1, Ampl ratio Rab2, Rab1, Rab0 = 1 0 1 (Instr Set 1) |
wim | 32:59c4b8f648d4 | 524 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 28:30fa94f7341c | 525 | |
wim | 32:59c4b8f648d4 | 526 | _writeCommand(0x20 | _function); // Set function, IS2,IS1 = 00 (Select Instruction Set = 0) |
wim | 32:59c4b8f648d4 | 527 | |
wim | 32:59c4b8f648d4 | 528 | break; // case ST7036_3V3 Controller |
wim | 32:59c4b8f648d4 | 529 | // case ST7036_5V Controller |
wim | 36:9f5f86dfd44a | 530 | |
wim | 36:9f5f86dfd44a | 531 | case ST7070: |
wim | 36:9f5f86dfd44a | 532 | // Initialise Display configuration |
wim | 36:9f5f86dfd44a | 533 | switch (_type) { |
wim | 36:9f5f86dfd44a | 534 | case LCD8x1: //8x1 is a regular 1 line display |
wim | 36:9f5f86dfd44a | 535 | case LCD8x2B: //8x2D is a special case of 16x1 |
wim | 36:9f5f86dfd44a | 536 | // case LCD12x1: |
wim | 36:9f5f86dfd44a | 537 | case LCD16x1: |
wim | 36:9f5f86dfd44a | 538 | case LCD24x1: |
wim | 36:9f5f86dfd44a | 539 | _function = dl | 0x00; // Set function, 0 0 1 DL=0 (4-bit Databus), N=0 (1 Line), EXT=0, x, x |
wim | 36:9f5f86dfd44a | 540 | // Note: 4 bit mode is NOT ignored for native SPI ! |
wim | 36:9f5f86dfd44a | 541 | // Saved to allow switch between Instruction sets at later time |
wim | 36:9f5f86dfd44a | 542 | break; |
wim | 36:9f5f86dfd44a | 543 | |
wim | 36:9f5f86dfd44a | 544 | // case LCD12x3D1: // Special mode for KS0078 and PCF21XX |
wim | 36:9f5f86dfd44a | 545 | // case LCD16x3D1: // Special mode for SSD1803 |
wim | 36:9f5f86dfd44a | 546 | case LCD12x4D: // Special mode for PCF2116 |
wim | 36:9f5f86dfd44a | 547 | case LCD24x4D: // Special mode for KS0078 |
wim | 36:9f5f86dfd44a | 548 | // case LCD12x3G: // Special mode for ST7036 |
wim | 36:9f5f86dfd44a | 549 | case LCD16x3G: // Special mode for ST7036 |
wim | 36:9f5f86dfd44a | 550 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 36:9f5f86dfd44a | 551 | break; |
wim | 36:9f5f86dfd44a | 552 | |
wim | 36:9f5f86dfd44a | 553 | default: |
wim | 36:9f5f86dfd44a | 554 | // All other LCD types are initialised as 2 Line displays (including LCD16x1C and LCD40x4) |
wim | 36:9f5f86dfd44a | 555 | _function = dl | 0x08; // Set function, 0 0 1 DL, N=1 (2 Line), EXT=0, x, x |
wim | 36:9f5f86dfd44a | 556 | // Note: 4 bit mode is NOT ignored for native SPI ! |
wim | 36:9f5f86dfd44a | 557 | // Saved to allow switch between Instruction sets at later time |
wim | 36:9f5f86dfd44a | 558 | break; |
wim | 36:9f5f86dfd44a | 559 | } // switch type |
wim | 36:9f5f86dfd44a | 560 | |
wim | 36:9f5f86dfd44a | 561 | // _writeCommand(0x00); // NOP, make sure to sync SPI |
wim | 36:9f5f86dfd44a | 562 | |
wim | 36:9f5f86dfd44a | 563 | // init special features |
wim | 36:9f5f86dfd44a | 564 | _writeCommand(0x20 | _function | 0x04); // Set function, 0 0 1 DL N EXT=1 x x (Select Instr Set = 1) |
wim | 36:9f5f86dfd44a | 565 | |
wim | 36:9f5f86dfd44a | 566 | _writeCommand(0x04 | 0x00); // Set Bias resistors 0 0 0 0 0 1 Rb1,Rb0= 0 0 (Extern Res) (Instr Set 1) |
wim | 36:9f5f86dfd44a | 567 | |
wim | 36:9f5f86dfd44a | 568 | _writeCommand(0x40 | 0x00); // COM/SEG directions 0 1 0 0 C1, C2, S1, S2 (Instr Set 1) |
wim | 36:9f5f86dfd44a | 569 | // C1=1: Com1-8 -> Com8-1; C2=1: Com9-16 -> Com16-9 |
wim | 36:9f5f86dfd44a | 570 | // S1=1: Seg1-40 -> Seg40-1; S2=1: Seg41-80 -> Seg80-41 |
wim | 36:9f5f86dfd44a | 571 | |
wim | 36:9f5f86dfd44a | 572 | _writeCommand(0x20 | _function); // Set function, EXT=0 (Select Instr Set = 0) |
wim | 36:9f5f86dfd44a | 573 | |
wim | 36:9f5f86dfd44a | 574 | break; // case ST7070 Controller |
wim | 36:9f5f86dfd44a | 575 | |
wim | 32:59c4b8f648d4 | 576 | case SSD1803_3V3: |
wim | 32:59c4b8f648d4 | 577 | // SSD1803 controller: Initialise Voltage booster for VLCD. VDD=3V3 |
wim | 32:59c4b8f648d4 | 578 | // Note: supports 1,2, 3 or 4 lines |
wim | 32:59c4b8f648d4 | 579 | // case SSD1803_5V: |
wim | 32:59c4b8f648d4 | 580 | // SSD1803 controller: No Voltage booster for VLCD. VDD=5V |
wim | 32:59c4b8f648d4 | 581 | |
wim | 29:a3663151aa65 | 582 | // Initialise Display configuration |
wim | 29:a3663151aa65 | 583 | switch (_type) { |
wim | 29:a3663151aa65 | 584 | case LCD8x1: //8x1 is a regular 1 line display |
wim | 30:033048611c01 | 585 | case LCD8x2B: //8x2D is a special case of 16x1 |
wim | 29:a3663151aa65 | 586 | // case LCD12x1: |
wim | 29:a3663151aa65 | 587 | case LCD16x1: |
wim | 29:a3663151aa65 | 588 | case LCD24x1: |
wim | 32:59c4b8f648d4 | 589 | _function = 0x00; // Set function 0 0 1 DL N DH RE(0) IS |
wim | 32:59c4b8f648d4 | 590 | // Saved to allow switch between Instruction sets at later time |
wim | 32:59c4b8f648d4 | 591 | // DL=0 4-bit Databus, |
wim | 32:59c4b8f648d4 | 592 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 32:59c4b8f648d4 | 593 | // N=0 1 Line / 3 Line |
wim | 32:59c4b8f648d4 | 594 | // DH=0 Double Height disable |
wim | 32:59c4b8f648d4 | 595 | // IS=0 |
wim | 32:59c4b8f648d4 | 596 | |
wim | 33:900a94bc7585 | 597 | _function_1 = 0x02; // Set function, 0 0 1 DL N BE RE(1) REV |
wim | 32:59c4b8f648d4 | 598 | // Saved to allow switch between Instruction sets at later time |
wim | 32:59c4b8f648d4 | 599 | // DL=0 4-bit Databus, |
wim | 32:59c4b8f648d4 | 600 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 32:59c4b8f648d4 | 601 | // N=0 1 Line / 3 Line |
wim | 32:59c4b8f648d4 | 602 | // BE=0 Blink Enable off, special feature of SSD1803 |
wim | 32:59c4b8f648d4 | 603 | // REV=0 Reverse off, special feature of SSD1803 |
wim | 32:59c4b8f648d4 | 604 | |
wim | 32:59c4b8f648d4 | 605 | _lines = 0x00; // Ext function set 0 0 0 0 1 FW BW NW |
wim | 32:59c4b8f648d4 | 606 | // NW=0 1-Line LCD (N=0) |
wim | 29:a3663151aa65 | 607 | break; |
wim | 32:59c4b8f648d4 | 608 | |
wim | 33:900a94bc7585 | 609 | case LCD12x3D: // Special mode for KS0078 and PCF21XX |
wim | 32:59c4b8f648d4 | 610 | // case LCD12x3D1: // Special mode for KS0078 and PCF21XX |
wim | 33:900a94bc7585 | 611 | case LCD16x3D: // Special mode for KS0078 |
wim | 32:59c4b8f648d4 | 612 | // case LCD16x3D1: // Special mode for SSD1803 |
wim | 32:59c4b8f648d4 | 613 | // case LCD20x3D: // Special mode for SSD1803 |
wim | 32:59c4b8f648d4 | 614 | _function = 0x00; // Set function 0 0 1 DL N DH RE(0) IS |
wim | 32:59c4b8f648d4 | 615 | // Saved to allow switch between Instruction sets at later time |
wim | 32:59c4b8f648d4 | 616 | // DL=0 4-bit Databus, |
wim | 32:59c4b8f648d4 | 617 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 32:59c4b8f648d4 | 618 | // N=0 1 Line / 3 Line |
wim | 32:59c4b8f648d4 | 619 | // DH=0 Double Height disable |
wim | 32:59c4b8f648d4 | 620 | // IS=0 |
wim | 32:59c4b8f648d4 | 621 | |
wim | 33:900a94bc7585 | 622 | _function_1 = 0x02; // Set function, 0 0 1 DL N BE RE(1) REV |
wim | 32:59c4b8f648d4 | 623 | // Saved to allow switch between Instruction sets at later time |
wim | 32:59c4b8f648d4 | 624 | // DL=0 4-bit Databus, |
wim | 32:59c4b8f648d4 | 625 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 32:59c4b8f648d4 | 626 | // N=0 1 Line / 3 Line |
wim | 32:59c4b8f648d4 | 627 | // BE=0 Blink Enable off, special feature of SSD1803 |
wim | 32:59c4b8f648d4 | 628 | // REV=0 Reverse off, special feature of SSD1803 |
wim | 32:59c4b8f648d4 | 629 | |
wim | 32:59c4b8f648d4 | 630 | _lines = 0x00; // Ext function set 0 0 0 0 1 FW BW NW |
wim | 32:59c4b8f648d4 | 631 | // NW=1 3-Line LCD (N=0) |
wim | 29:a3663151aa65 | 632 | break; |
wim | 30:033048611c01 | 633 | |
wim | 39:e9c2319de9c5 | 634 | // case LCD10x2D: // Special mode for SSD1803, 4-line mode but switch to double height font |
wim | 39:e9c2319de9c5 | 635 | case LCD10x4D: // Special mode for SSD1803 |
wim | 32:59c4b8f648d4 | 636 | case LCD20x4D: // Special mode for SSD1803 |
wim | 32:59c4b8f648d4 | 637 | _function = 0x08; // Set function 0 0 1 DL N DH RE(0) IS |
wim | 32:59c4b8f648d4 | 638 | // Saved to allow switch between Instruction sets at later time |
wim | 32:59c4b8f648d4 | 639 | // DL=0 4-bit Databus, |
wim | 32:59c4b8f648d4 | 640 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 32:59c4b8f648d4 | 641 | // N=1 4 Line |
wim | 32:59c4b8f648d4 | 642 | // DH=0 Double Height disable |
wim | 32:59c4b8f648d4 | 643 | // IS=0 |
wim | 32:59c4b8f648d4 | 644 | |
wim | 33:900a94bc7585 | 645 | _function_1 = 0x0A; // Set function, 0 0 1 DL N BE RE(1) REV |
wim | 32:59c4b8f648d4 | 646 | // Saved to allow switch between Instruction sets at later time |
wim | 32:59c4b8f648d4 | 647 | // DL=0 4-bit Databus, |
wim | 32:59c4b8f648d4 | 648 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 32:59c4b8f648d4 | 649 | // N=1 4 Line |
wim | 32:59c4b8f648d4 | 650 | // BE=0 Blink Enable off, special feature of SSD1803 |
wim | 32:59c4b8f648d4 | 651 | // REV=0 Reverse off, special feature of SSD1803 |
wim | 32:59c4b8f648d4 | 652 | |
wim | 32:59c4b8f648d4 | 653 | _lines = 0x01; // Ext function set 0 0 0 0 1 FW BW NW |
wim | 32:59c4b8f648d4 | 654 | // NW=1 4-Line LCD (N=1) |
wim | 32:59c4b8f648d4 | 655 | break; |
wim | 32:59c4b8f648d4 | 656 | |
wim | 33:900a94bc7585 | 657 | case LCD16x3G: // Special mode for ST7036 |
wim | 32:59c4b8f648d4 | 658 | case LCD24x4D: // Special mode for KS0078 |
wim | 30:033048611c01 | 659 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 30:033048611c01 | 660 | break; |
wim | 30:033048611c01 | 661 | |
wim | 29:a3663151aa65 | 662 | default: |
wim | 30:033048611c01 | 663 | // All other LCD types are initialised as 2 Line displays (including LCD16x1C and LCD40x4) |
wim | 32:59c4b8f648d4 | 664 | _function = 0x08; // Set function 0 0 1 DL N DH RE(0) IS |
wim | 32:59c4b8f648d4 | 665 | // Saved to allow switch between Instruction sets at later time |
wim | 32:59c4b8f648d4 | 666 | // DL=0 4-bit Databus, |
wim | 32:59c4b8f648d4 | 667 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 32:59c4b8f648d4 | 668 | // N=1 2 line / 4 Line |
wim | 32:59c4b8f648d4 | 669 | // DH=0 Double Height disable |
wim | 36:9f5f86dfd44a | 670 | // RE=0 |
wim | 32:59c4b8f648d4 | 671 | // IS=0 |
wim | 29:a3663151aa65 | 672 | |
wim | 33:900a94bc7585 | 673 | _function_1 = 0x0A; // Set function, 0 0 1 DL N BE RE(1) REV |
wim | 32:59c4b8f648d4 | 674 | // Saved to allow switch between Instruction sets at later time |
wim | 32:59c4b8f648d4 | 675 | // DL=0 4-bit Databus, |
wim | 32:59c4b8f648d4 | 676 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 32:59c4b8f648d4 | 677 | // N=1 2 line / 4 Line |
wim | 32:59c4b8f648d4 | 678 | // BE=0 Blink Enable off, special feature of SSD1803 |
wim | 36:9f5f86dfd44a | 679 | // RE=1 |
wim | 32:59c4b8f648d4 | 680 | // REV=0 Reverse off, special feature of SSD1803 |
wim | 32:59c4b8f648d4 | 681 | |
wim | 32:59c4b8f648d4 | 682 | _lines = 0x00; // Ext function set 0 0 0 0 1 FW BW NW |
wim | 32:59c4b8f648d4 | 683 | // NW=0 2-Line LCD (N=1) |
wim | 32:59c4b8f648d4 | 684 | break; |
wim | 32:59c4b8f648d4 | 685 | } // switch type |
wim | 32:59c4b8f648d4 | 686 | |
wim | 32:59c4b8f648d4 | 687 | |
wim | 32:59c4b8f648d4 | 688 | // init special features |
wim | 33:900a94bc7585 | 689 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 DL N BE RE(1) REV |
wim | 32:59c4b8f648d4 | 690 | // Select Extended Instruction Set |
wim | 33:900a94bc7585 | 691 | |
wim | 33:900a94bc7585 | 692 | _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 | 693 | // _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 | 694 | wait_ms(5); // Wait to ensure completion or SSD1803 fails to set Top/Bottom after reset.. |
wim | 33:900a94bc7585 | 695 | |
wim | 33:900a94bc7585 | 696 | _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 | 697 | |
wim | 32:59c4b8f648d4 | 698 | _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 | 699 | |
wim | 32:59c4b8f648d4 | 700 | // _writeCommand(0x76); // Set TC Control, 0 1 1 1 0 1 1 0 (Ext Instr Set) |
wim | 32:59c4b8f648d4 | 701 | // _writeData(0x02); // Set TC data, 0 0 0 0 0 TC2,TC1,TC0 = 0 1 0 (Ext Instr Set) |
wim | 32:59c4b8f648d4 | 702 | |
wim | 32:59c4b8f648d4 | 703 | _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N DH RE(0) IS=1 Select Instruction Set 1 |
wim | 32:59c4b8f648d4 | 704 | // Select Std Instr set, Select IS=1 |
wim | 32:59c4b8f648d4 | 705 | |
wim | 32:59c4b8f648d4 | 706 | _contrast = LCD_SSD1_CONTRAST; |
wim | 32:59c4b8f648d4 | 707 | _writeCommand(0x70 | (_contrast & 0x0F)); // Set Contrast 0 1 1 1 C3, C2, C1, C0 (Instr Set 1) |
wim | 32:59c4b8f648d4 | 708 | |
wim | 36:9f5f86dfd44a | 709 | // _icon_power = 0x04; // Icon off, Booster on (Instr Set 1) |
wim | 36:9f5f86dfd44a | 710 | _icon_power = 0x0C; // Icon on, Booster on (Instr Set 1) |
wim | 32:59c4b8f648d4 | 711 | // Saved to allow contrast change at later time |
wim | 32:59c4b8f648d4 | 712 | _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 | 713 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 32:59c4b8f648d4 | 714 | |
wim | 32:59c4b8f648d4 | 715 | _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 | 716 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 32:59c4b8f648d4 | 717 | |
wim | 33:900a94bc7585 | 718 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 DL N BE RE(1) REV |
wim | 32:59c4b8f648d4 | 719 | // Select Extended Instruction Set 1 |
wim | 32:59c4b8f648d4 | 720 | _writeCommand(0x10); // Shift/Scroll enable, 0 0 0 1 DS4/HS4 DS3/HS3 DS2/HS2 DS1/HS1 (Ext Instr Set 1) |
wim | 32:59c4b8f648d4 | 721 | |
wim | 32:59c4b8f648d4 | 722 | |
wim | 32:59c4b8f648d4 | 723 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
wim | 32:59c4b8f648d4 | 724 | // Select Std Instr set, Select IS=0 |
wim | 32:59c4b8f648d4 | 725 | |
wim | 32:59c4b8f648d4 | 726 | break; // case SSD1803 Controller |
wim | 32:59c4b8f648d4 | 727 | |
wim | 29:a3663151aa65 | 728 | |
wim | 32:59c4b8f648d4 | 729 | // Note1: The PCF21XX family of controllers has several types that dont have an onboard voltage generator for V-LCD. |
wim | 32:59c4b8f648d4 | 730 | // You must supply this LCD voltage externally and not try to enable VGen. |
wim | 32:59c4b8f648d4 | 731 | // 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 | 732 | // 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 | 733 | // More recent versions of the controller (eg PCF2116K) have an improved VGen that will work with 3V3. |
wim | 32:59c4b8f648d4 | 734 | // 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 | 735 | // contrast control similar to that of pin 3 on the standard 14pin LCD module connector. |
wim | 32:59c4b8f648d4 | 736 | // You can disable VGen by connecting Vo to VDD. VLCD will then be used directly as LCD voltage. |
wim | 32:59c4b8f648d4 | 737 | // 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 | 738 | // 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 | 739 | // 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 | 740 | // 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 | 741 | |
wim | 34:e5a0dcb43ecc | 742 | case PCF2103_3V3: |
wim | 34:e5a0dcb43ecc | 743 | // PCF2103 controller: No Voltage generator for VLCD, VDD=3V3..5V, VLCD input controls contrast voltage. |
wim | 34:e5a0dcb43ecc | 744 | // Initialise Display configuration |
wim | 34:e5a0dcb43ecc | 745 | switch (_type) { |
wim | 34:e5a0dcb43ecc | 746 | case LCD24x1: |
wim | 34:e5a0dcb43ecc | 747 | _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 | 748 | //Note: 4 bit mode is ignored for I2C mode |
wim | 34:e5a0dcb43ecc | 749 | break; |
wim | 34:e5a0dcb43ecc | 750 | |
wim | 34:e5a0dcb43ecc | 751 | // case LCD12x1D: //Special mode for PCF21XX, Only top line used |
wim | 34:e5a0dcb43ecc | 752 | case LCD12x2: |
wim | 34:e5a0dcb43ecc | 753 | _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 | 754 | //Note: 4 bit mode is ignored for I2C mode |
wim | 34:e5a0dcb43ecc | 755 | break; |
wim | 34:e5a0dcb43ecc | 756 | |
wim | 34:e5a0dcb43ecc | 757 | default: |
wim | 34:e5a0dcb43ecc | 758 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 34:e5a0dcb43ecc | 759 | break; |
wim | 34:e5a0dcb43ecc | 760 | |
wim | 34:e5a0dcb43ecc | 761 | } // switch type |
wim | 34:e5a0dcb43ecc | 762 | |
wim | 34:e5a0dcb43ecc | 763 | _writeCommand(0x20 | _function | 0x01); // Set function, Select Instr Set = 1 |
wim | 34:e5a0dcb43ecc | 764 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 34:e5a0dcb43ecc | 765 | |
wim | 34:e5a0dcb43ecc | 766 | // 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 | 767 | _writeCommand(0x05); // Display Conf Set 0000 0, 1, P=0, Q=1 (Instr. Set 1) |
wim | 34:e5a0dcb43ecc | 768 | |
wim | 34:e5a0dcb43ecc | 769 | _writeCommand(0x02); // Screen Config 0000 001, L=0 (Instr. Set 1) |
wim | 34:e5a0dcb43ecc | 770 | _writeCommand(0x08); // ICON Conf 0000 1, IM=0 (Char mode), IB=0 (no Icon blink), 0 (Instr. Set 1) |
wim | 34:e5a0dcb43ecc | 771 | |
wim | 34:e5a0dcb43ecc | 772 | _writeCommand(0x20 | _function); // Set function, Select Instr Set = 0 |
wim | 34:e5a0dcb43ecc | 773 | |
wim | 36:9f5f86dfd44a | 774 | #if(0) |
wim | 34:e5a0dcb43ecc | 775 | // Select CG RAM |
wim | 34:e5a0dcb43ecc | 776 | _writeCommand(0x40); //Set CG-RAM address, 8 sequential locations needed per UDC |
wim | 34:e5a0dcb43ecc | 777 | // Store UDC/Icon pattern: |
wim | 34:e5a0dcb43ecc | 778 | // 3 x 8 rows x 5 bits = 120 bits for Normal pattern (UDC 0..2) and |
wim | 34:e5a0dcb43ecc | 779 | // 3 x 8 rows x 5 bits = 120 bits for Blink pattern (UDC 4..6) |
wim | 34:e5a0dcb43ecc | 780 | for (int i=0; i<(8 * 8); i++) { |
wim | 34:e5a0dcb43ecc | 781 | // _writeData(0x1F); // All On |
wim | 34:e5a0dcb43ecc | 782 | _writeData(0x00); // All Off |
wim | 34:e5a0dcb43ecc | 783 | } |
wim | 36:9f5f86dfd44a | 784 | #endif |
wim | 34:e5a0dcb43ecc | 785 | break; // case PCF2103_3V3 Controller |
wim | 34:e5a0dcb43ecc | 786 | |
wim | 30:033048611c01 | 787 | case PCF2113_3V3: |
wim | 32:59c4b8f648d4 | 788 | // PCF2113 controller: Initialise Voltage booster for VLCD. VDD=3V3. VA and VB control contrast. |
wim | 29:a3663151aa65 | 789 | // Initialise Display configuration |
wim | 29:a3663151aa65 | 790 | switch (_type) { |
wim | 29:a3663151aa65 | 791 | // case LCD12x1: |
wim | 33:900a94bc7585 | 792 | // _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 | 793 | // Note: 4 bit mode is ignored for I2C mode |
wim | 29:a3663151aa65 | 794 | case LCD24x1: |
wim | 33:900a94bc7585 | 795 | _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 | 796 | // Note: 4 bit mode is ignored for I2C mode |
wim | 30:033048611c01 | 797 | break; |
wim | 30:033048611c01 | 798 | |
wim | 30:033048611c01 | 799 | case LCD12x2: |
wim | 33:900a94bc7585 | 800 | _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 | 801 | break; |
wim | 30:033048611c01 | 802 | |
wim | 30:033048611c01 | 803 | default: |
wim | 30:033048611c01 | 804 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 30:033048611c01 | 805 | break; |
wim | 30:033048611c01 | 806 | |
wim | 30:033048611c01 | 807 | } // switch type |
wim | 30:033048611c01 | 808 | |
wim | 32:59c4b8f648d4 | 809 | // Init special features |
wim | 33:900a94bc7585 | 810 | _writeCommand(0x20 | _function | 0x01); // Set function, Select Instr Set = 1 |
wim | 33:900a94bc7585 | 811 | |
wim | 33:900a94bc7585 | 812 | _writeCommand(0x04); // Display Conf Set 0000 0, 1, P=0, Q=0 (Instr. Set 1) |
wim | 33:900a94bc7585 | 813 | _writeCommand(0x10); // Temp Compensation Set 0001 0, 0, TC1=0, TC2=0 (Instr. Set 1) |
wim | 33:900a94bc7585 | 814 | // _writeCommand(0x42); // HV GEN 0100 S1=1, S2=0 (2x multiplier) (Instr. Set 1) |
wim | 33:900a94bc7585 | 815 | _writeCommand(0x40 | (LCD_PCF2_S12 & 0x03)); // HV Gen 0100 S1=1, S2=0 (2x multiplier) (Instr. Set 1) |
wim | 32:59c4b8f648d4 | 816 | |
wim | 32:59c4b8f648d4 | 817 | _contrast = LCD_PCF2_CONTRAST; |
wim | 33:900a94bc7585 | 818 | _writeCommand(0x80 | 0x00 | (_contrast & 0x3F)); // VLCD_set (Instr. Set 1) 1, V=0, VA=contrast |
wim | 33:900a94bc7585 | 819 | _writeCommand(0x80 | 0x40 | (_contrast & 0x3F)); // VLCD_set (Instr. Set 1) 1, V=1, VB=contrast |
wim | 32:59c4b8f648d4 | 820 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 32:59c4b8f648d4 | 821 | |
wim | 33:900a94bc7585 | 822 | _writeCommand(0x02); // Screen Config 0000 001, L=0 (Instr. Set 1) |
wim | 33:900a94bc7585 | 823 | _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 | 824 | |
wim | 33:900a94bc7585 | 825 | _writeCommand(0x20 | _function); // Set function, Select Instr Set = 0 |
wim | 32:59c4b8f648d4 | 826 | |
wim | 30:033048611c01 | 827 | break; // case PCF2113_3V3 Controller |
wim | 30:033048611c01 | 828 | |
wim | 30:033048611c01 | 829 | |
wim | 32:59c4b8f648d4 | 830 | // case PCF2113_5V: |
wim | 32:59c4b8f648d4 | 831 | // PCF2113 controller: No Voltage generator for VLCD. VDD=5V. Contrast voltage controlled by VA or VB. |
wim | 32:59c4b8f648d4 | 832 | //@TODO |
wim | 32:59c4b8f648d4 | 833 | |
wim | 30:033048611c01 | 834 | |
wim | 30:033048611c01 | 835 | case PCF2116_3V3: |
wim | 32:59c4b8f648d4 | 836 | // PCF2116 controller: Voltage generator for VLCD. VDD=5V. V0 controls contrast voltage. |
wim | 30:033048611c01 | 837 | // Initialise Display configuration |
wim | 30:033048611c01 | 838 | switch (_type) { |
wim | 30:033048611c01 | 839 | // case LCD12x1: |
wim | 30:033048611c01 | 840 | // case LCD12x2: |
wim | 30:033048611c01 | 841 | case LCD24x1: |
wim | 34:e5a0dcb43ecc | 842 | _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 | 843 | //Note: 4 bit mode is ignored for I2C mode |
wim | 29:a3663151aa65 | 844 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 29:a3663151aa65 | 845 | break; |
wim | 29:a3663151aa65 | 846 | |
wim | 32:59c4b8f648d4 | 847 | case LCD12x3D: // Special mode for KS0078 and PCF21XX |
wim | 32:59c4b8f648d4 | 848 | case LCD12x3D1: // Special mode for PCF21XX |
wim | 32:59c4b8f648d4 | 849 | case LCD12x4D: // Special mode for PCF21XX: |
wim | 34:e5a0dcb43ecc | 850 | _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 | 851 | //Note: 4 bit mode is ignored for I2C mode |
wim | 29:a3663151aa65 | 852 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 29:a3663151aa65 | 853 | break; |
wim | 30:033048611c01 | 854 | |
wim | 30:033048611c01 | 855 | case LCD24x2: |
wim | 34:e5a0dcb43ecc | 856 | _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 | 857 | //Note: 4 bit mode is ignored for I2C mode |
wim | 30:033048611c01 | 858 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 32:59c4b8f648d4 | 859 | break; |
wim | 32:59c4b8f648d4 | 860 | |
wim | 30:033048611c01 | 861 | default: |
wim | 30:033048611c01 | 862 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 30:033048611c01 | 863 | break; |
wim | 30:033048611c01 | 864 | |
wim | 29:a3663151aa65 | 865 | } // switch type |
wim | 29:a3663151aa65 | 866 | |
wim | 30:033048611c01 | 867 | break; // case PCF2116_3V3 Controller |
wim | 29:a3663151aa65 | 868 | |
wim | 32:59c4b8f648d4 | 869 | |
wim | 32:59c4b8f648d4 | 870 | //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 | 871 | //@TODO |
wim | 32:59c4b8f648d4 | 872 | case PCF2116_5V: |
wim | 32:59c4b8f648d4 | 873 | // PCF2116 controller: No Voltage generator for VLCD. VDD=5V. V0 controls contrast voltage. |
wim | 32:59c4b8f648d4 | 874 | // Initialise Display configuration |
wim | 32:59c4b8f648d4 | 875 | switch (_type) { |
wim | 32:59c4b8f648d4 | 876 | // case LCD12x1: |
wim | 32:59c4b8f648d4 | 877 | // case LCD12x2: |
wim | 32:59c4b8f648d4 | 878 | // case LCD24x1: |
wim | 34:e5a0dcb43ecc | 879 | // _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 | 880 | //Note: 4 bit mode is ignored for I2C mode |
wim | 32:59c4b8f648d4 | 881 | // wait_ms(10); // Wait 10ms to ensure powered up |
wim | 32:59c4b8f648d4 | 882 | // break; |
wim | 32:59c4b8f648d4 | 883 | |
wim | 32:59c4b8f648d4 | 884 | case LCD12x3D: // Special mode for KS0078 and PCF21XX |
wim | 32:59c4b8f648d4 | 885 | case LCD12x3D1: // Special mode for PCF21XX |
wim | 32:59c4b8f648d4 | 886 | case LCD12x4D: // Special mode for PCF21XX: |
wim | 32:59c4b8f648d4 | 887 | // _writeCommand(0x34); //FUNCTION SET 8 bit, N=0/M=1 4-line/12 chars display mode OK |
wim | 32:59c4b8f648d4 | 888 | // _writeCommand(0x24); //FUNCTION SET 4 bit, N=0/M=1 4-line/12 chars display mode OK |
wim | 34:e5a0dcb43ecc | 889 | _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 | 890 | //Note: 4 bit mode is ignored for I2C mode |
wim | 32:59c4b8f648d4 | 891 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 32:59c4b8f648d4 | 892 | break; |
wim | 32:59c4b8f648d4 | 893 | |
wim | 32:59c4b8f648d4 | 894 | // case LCD24x2: |
wim | 32:59c4b8f648d4 | 895 | // _writeCommand(0x28); //FUNCTION SET 4 bit, N=1/M=0 2-line/24 chars display mode |
wim | 32:59c4b8f648d4 | 896 | //Note: 4 bit mode is ignored for I2C mode |
wim | 32:59c4b8f648d4 | 897 | // wait_ms(10); // Wait 10ms to ensure powered up |
wim | 32:59c4b8f648d4 | 898 | // break; |
wim | 32:59c4b8f648d4 | 899 | |
wim | 32:59c4b8f648d4 | 900 | default: |
wim | 32:59c4b8f648d4 | 901 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 32:59c4b8f648d4 | 902 | break; |
wim | 32:59c4b8f648d4 | 903 | |
wim | 32:59c4b8f648d4 | 904 | } // switch type |
wim | 32:59c4b8f648d4 | 905 | |
wim | 32:59c4b8f648d4 | 906 | break; // case PCF2116_5V Controller |
wim | 32:59c4b8f648d4 | 907 | |
wim | 32:59c4b8f648d4 | 908 | case PCF2119_3V3: |
wim | 39:e9c2319de9c5 | 909 | case PCF2119R_3V3: |
wim | 32:59c4b8f648d4 | 910 | // PCF2119 controller: Initialise Voltage booster for VLCD. VDD=3V3. VA and VB control contrast. |
wim | 32:59c4b8f648d4 | 911 | // Note1: See datasheet, the PCF2119 supports icons and provides separate constrast control for Icons and characters. |
wim | 32:59c4b8f648d4 | 912 | // Note2: Vgen is switched off when the contrast voltage VA or VB is set to 0x00. |
wim | 32:59c4b8f648d4 | 913 | |
wim | 32:59c4b8f648d4 | 914 | //POR or Hardware Reset should be applied |
wim | 32:59c4b8f648d4 | 915 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 32:59c4b8f648d4 | 916 | |
wim | 32:59c4b8f648d4 | 917 | // Initialise Display configuration |
wim | 32:59c4b8f648d4 | 918 | switch (_type) { |
wim | 32:59c4b8f648d4 | 919 | case LCD8x1: |
wim | 32:59c4b8f648d4 | 920 | // case LCD12x1: |
wim | 32:59c4b8f648d4 | 921 | case LCD16x1: |
wim | 34:e5a0dcb43ecc | 922 | _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 | 923 | // Note: 4 bit mode is ignored for I2C mode |
wim | 32:59c4b8f648d4 | 924 | break; |
wim | 32:59c4b8f648d4 | 925 | |
wim | 32:59c4b8f648d4 | 926 | case LCD24x1: |
wim | 32:59c4b8f648d4 | 927 | // case LCD32x1: |
wim | 34:e5a0dcb43ecc | 928 | _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 | 929 | // Note: 4 bit mode is ignored for I2C mode |
wim | 32:59c4b8f648d4 | 930 | break; |
wim | 32:59c4b8f648d4 | 931 | |
wim | 32:59c4b8f648d4 | 932 | case LCD8x2: |
wim | 32:59c4b8f648d4 | 933 | // case LCD12x2: |
wim | 32:59c4b8f648d4 | 934 | case LCD16x2: |
wim | 34:e5a0dcb43ecc | 935 | _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 | 936 | // Note: 4 bit mode is ignored for I2C mode |
wim | 32:59c4b8f648d4 | 937 | break; |
wim | 32:59c4b8f648d4 | 938 | |
wim | 32:59c4b8f648d4 | 939 | default: |
wim | 32:59c4b8f648d4 | 940 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 32:59c4b8f648d4 | 941 | break; |
wim | 32:59c4b8f648d4 | 942 | |
wim | 32:59c4b8f648d4 | 943 | } // switch type |
wim | 32:59c4b8f648d4 | 944 | |
wim | 32:59c4b8f648d4 | 945 | // Init special features |
wim | 32:59c4b8f648d4 | 946 | _writeCommand(0x20 | _function | 0x01); // Set function, Select Instruction Set = 1 |
wim | 32:59c4b8f648d4 | 947 | |
wim | 39:e9c2319de9c5 | 948 | // _writeCommand(0x04); // DISP CONF SET (Instr. Set 1) 0000, 0, 1, P=0, Q=0 (IC at Bottom) |
wim | 39:e9c2319de9c5 | 949 | // _writeCommand(0x05); // Display Conf Set 0000, 0, 1, P=0, Q=1 |
wim | 39:e9c2319de9c5 | 950 | // _writeCommand(0x06); // Display Conf Set 0000, 0, 1, P=1, Q=0 |
wim | 39:e9c2319de9c5 | 951 | _writeCommand(0x07); // Display Conf Set 0000, 0, 1, P=1, Q=1 (IC at Top) |
wim | 39:e9c2319de9c5 | 952 | |
wim | 32:59c4b8f648d4 | 953 | _writeCommand(0x10); // TEMP CTRL SET (Instr. Set 1) 0001, 0, 0, TC1=0, TC2=0 |
wim | 32:59c4b8f648d4 | 954 | // _writeCommand(0x42); // HV GEN (Instr. Set 1) 0100, 0, 0, S1=1, S2=0 (2x multiplier) |
wim | 32:59c4b8f648d4 | 955 | _writeCommand(0x40 | (LCD_PCF2_S12 & 0x03)); // HV GEN (Instr. Set 1) 0100, 0, 0, S1=1, S2=0 (2x multiplier) |
wim | 32:59c4b8f648d4 | 956 | |
wim | 32:59c4b8f648d4 | 957 | _contrast = LCD_PCF2_CONTRAST; |
wim | 32:59c4b8f648d4 | 958 | _writeCommand(0x80 | 0x00 | (_contrast & 0x3F)); // VLCD_set (Instr. Set 1) V=0, VA=contrast |
wim | 32:59c4b8f648d4 | 959 | _writeCommand(0x80 | 0x40 | (_contrast & 0x3F)); // VLCD_set (Instr. Set 1) V=1, VB=contrast |
wim | 32:59c4b8f648d4 | 960 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 32:59c4b8f648d4 | 961 | |
wim | 32:59c4b8f648d4 | 962 | _writeCommand(0x02); // SCRN CONF (Instr. Set 1) L=0 |
wim | 32:59c4b8f648d4 | 963 | _writeCommand(0x08); // ICON CONF (Instr. Set 1) IM=0 (Char mode) IB=0 (no icon blink) DM=0 (no direct mode) |
wim | 32:59c4b8f648d4 | 964 | |
wim | 32:59c4b8f648d4 | 965 | _writeCommand(0x20 | _function); // Select Instruction Set = 0 |
wim | 32:59c4b8f648d4 | 966 | |
wim | 32:59c4b8f648d4 | 967 | break; // case PCF2119_3V3 Controller |
wim | 32:59c4b8f648d4 | 968 | |
wim | 32:59c4b8f648d4 | 969 | // case PCF2119_5V: |
wim | 32:59c4b8f648d4 | 970 | // PCF2119 controller: No Voltage booster for VLCD. VDD=3V3. VA and VB control contrast. |
wim | 32:59c4b8f648d4 | 971 | // Note1: See datasheet, the PCF2119 supports icons and provides separate constrast control for Icons and characters. |
wim | 32:59c4b8f648d4 | 972 | // Note2: Vgen is switched off when the contrast voltage VA or VB is set to 0x00. |
wim | 30:033048611c01 | 973 | //@TODO |
wim | 29:a3663151aa65 | 974 | |
wim | 19:c747b9e2e7b8 | 975 | case WS0010: |
wim | 19:c747b9e2e7b8 | 976 | // WS0010 OLED controller: Initialise DC/DC Voltage converter for LEDs |
wim | 30:033048611c01 | 977 | // Note1: Identical to RS0010 |
wim | 30:033048611c01 | 978 | // Note2: supports 1 or 2 lines (and 16x100 graphics) |
wim | 30:033048611c01 | 979 | // supports 4 fonts (English/Japanese (default), Western European-I, English/Russian, Western European-II) |
wim | 19:c747b9e2e7b8 | 980 | // Cursor/Disp shift set 0001 SC RL 0 0 |
wim | 19:c747b9e2e7b8 | 981 | // |
wim | 30:033048611c01 | 982 | // Mode and Power set 0001 GC PWR 1 1 |
wim | 19:c747b9e2e7b8 | 983 | // GC = 0 (Graph Mode=1, Char Mode=0) |
wim | 30:033048611c01 | 984 | // PWR = 1 (DC/DC On/Off) |
wim | 30:033048611c01 | 985 | |
wim | 30:033048611c01 | 986 | //@Todo: This may be needed to enable a warm reboot |
wim | 32:59c4b8f648d4 | 987 | //_writeCommand(0x13); // Char mode, DC/DC off |
wim | 30:033048611c01 | 988 | //wait_ms(10); // Wait 10ms to ensure powered down |
wim | 32:59c4b8f648d4 | 989 | _writeCommand(0x17); // Char mode, DC/DC on |
wim | 30:033048611c01 | 990 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 29:a3663151aa65 | 991 | |
wim | 29:a3663151aa65 | 992 | // Initialise Display configuration |
wim | 29:a3663151aa65 | 993 | switch (_type) { |
wim | 29:a3663151aa65 | 994 | case LCD8x1: //8x1 is a regular 1 line display |
wim | 29:a3663151aa65 | 995 | case LCD8x2B: //8x2B is a special case of 16x1 |
wim | 29:a3663151aa65 | 996 | // case LCD12x1: |
wim | 29:a3663151aa65 | 997 | case LCD16x1: |
wim | 30:033048611c01 | 998 | case LCD24x1: |
wim | 30:033048611c01 | 999 | _writeCommand(0x20); // Function set 001 DL N F FT1 FT0 |
wim | 30:033048611c01 | 1000 | // DL=0 (4 bits bus) |
wim | 30:033048611c01 | 1001 | // N=0 (1 line) |
wim | 30:033048611c01 | 1002 | // F=0 (5x7 dots font) |
wim | 30:033048611c01 | 1003 | // FT=00 (00 = Engl/Jap, 01 = WestEur1, 10 = Engl/Russian, 11 = WestEur2 |
wim | 30:033048611c01 | 1004 | break; |
wim | 30:033048611c01 | 1005 | |
wim | 32:59c4b8f648d4 | 1006 | case LCD12x3D: // Special mode for KS0078 and PCF21XX |
wim | 32:59c4b8f648d4 | 1007 | case LCD12x3D1: // Special mode for PCF21XX |
wim | 32:59c4b8f648d4 | 1008 | case LCD12x4D: // Special mode for PCF21XX: |
wim | 33:900a94bc7585 | 1009 | case LCD16x3G: // Special mode for ST7036 |
wim | 30:033048611c01 | 1010 | case LCD24x4D: // Special mode for KS0078 |
wim | 30:033048611c01 | 1011 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 29:a3663151aa65 | 1012 | break; |
wim | 29:a3663151aa65 | 1013 | |
wim | 29:a3663151aa65 | 1014 | default: |
wim | 30:033048611c01 | 1015 | // All other LCD types are initialised as 2 Line displays (including LCD16x1C and LCD40x4) |
wim | 30:033048611c01 | 1016 | _writeCommand(0x28); // Function set 001 DL N F FT1 FT0 |
wim | 30:033048611c01 | 1017 | // DL=0 (4 bits bus) |
wim | 30:033048611c01 | 1018 | // N=1 (2 lines) |
wim | 30:033048611c01 | 1019 | // F=0 (5x7 dots font) |
wim | 30:033048611c01 | 1020 | // FT=00 (00 = Engl/Jap, 01 = WestEur1, 10 = Engl/Russian, 11 = WestEur2 |
wim | 30:033048611c01 | 1021 | |
wim | 29:a3663151aa65 | 1022 | break; |
wim | 29:a3663151aa65 | 1023 | } // switch type |
wim | 29:a3663151aa65 | 1024 | |
wim | 32:59c4b8f648d4 | 1025 | break; // case WS0010 Controller |
wim | 33:900a94bc7585 | 1026 | |
wim | 33:900a94bc7585 | 1027 | |
wim | 33:900a94bc7585 | 1028 | case US2066_3V3: |
wim | 33:900a94bc7585 | 1029 | // US2066/SSD1311 OLED controller, Initialise for VDD=3V3 |
wim | 33:900a94bc7585 | 1030 | // Note: supports 1,2, 3 or 4 lines |
wim | 33:900a94bc7585 | 1031 | // case USS2066_5V: |
wim | 33:900a94bc7585 | 1032 | // US2066 controller, VDD=5V |
wim | 33:900a94bc7585 | 1033 | |
wim | 33:900a94bc7585 | 1034 | // Initialise Display configuration |
wim | 33:900a94bc7585 | 1035 | switch (_type) { |
wim | 33:900a94bc7585 | 1036 | case LCD8x1: //8x1 is a regular 1 line display |
wim | 33:900a94bc7585 | 1037 | case LCD8x2B: //8x2D is a special case of 16x1 |
wim | 33:900a94bc7585 | 1038 | // case LCD12x1: |
wim | 33:900a94bc7585 | 1039 | case LCD16x1: |
wim | 33:900a94bc7585 | 1040 | // case LCD20x1: |
wim | 33:900a94bc7585 | 1041 | _function = 0x00; // Set function 0 0 1 X N DH RE(0) IS |
wim | 33:900a94bc7585 | 1042 | // Saved to allow switch between Instruction sets at later time |
wim | 33:900a94bc7585 | 1043 | // DL=X bit is ignored for US2066. Uses hardwired pins instead |
wim | 33:900a94bc7585 | 1044 | // N=0 1 Line / 3 Line |
wim | 33:900a94bc7585 | 1045 | // DH=0 Double Height disable |
wim | 33:900a94bc7585 | 1046 | // IS=0 |
wim | 33:900a94bc7585 | 1047 | |
wim | 33:900a94bc7585 | 1048 | _function_1 = 0x02; // Set function, 0 0 1 X N BE RE(1) REV |
wim | 33:900a94bc7585 | 1049 | // Saved to allow switch between Instruction sets at later time |
wim | 33:900a94bc7585 | 1050 | // DL=X bit is ignored for US2066. Uses hardwired pins instead |
wim | 33:900a94bc7585 | 1051 | // N=0 1 Line / 3 Line |
wim | 33:900a94bc7585 | 1052 | // BE=0 Blink Enable off, special feature of SSD1803, US2066 |
wim | 33:900a94bc7585 | 1053 | // REV=0 Reverse off, special feature of SSD1803, US2066 |
wim | 33:900a94bc7585 | 1054 | |
wim | 33:900a94bc7585 | 1055 | _lines = 0x00; // Ext function set 0 0 0 0 1 FW BW NW |
wim | 33:900a94bc7585 | 1056 | // NW=0 1-Line LCD (N=0) |
wim | 33:900a94bc7585 | 1057 | break; |
wim | 33:900a94bc7585 | 1058 | |
wim | 33:900a94bc7585 | 1059 | case LCD16x1C: |
wim | 33:900a94bc7585 | 1060 | case LCD8x2: |
wim | 33:900a94bc7585 | 1061 | case LCD16x2: |
wim | 33:900a94bc7585 | 1062 | case LCD20x2: |
wim | 33:900a94bc7585 | 1063 | _function = 0x08; // Set function 0 0 1 X N DH RE(0) IS |
wim | 33:900a94bc7585 | 1064 | // Saved to allow switch between Instruction sets at later time |
wim | 33:900a94bc7585 | 1065 | // DL=X bit is ignored for US2066. Uses hardwired pins instead |
wim | 33:900a94bc7585 | 1066 | // N=1 2 line / 4 Line |
wim | 33:900a94bc7585 | 1067 | // DH=0 Double Height disable |
wim | 33:900a94bc7585 | 1068 | // IS=0 |
wim | 33:900a94bc7585 | 1069 | |
wim | 33:900a94bc7585 | 1070 | _function_1 = 0x0A; // Set function, 0 0 1 X N BE RE(1) REV |
wim | 33:900a94bc7585 | 1071 | // Saved to allow switch between Instruction sets at later time |
wim | 33:900a94bc7585 | 1072 | // DL=X bit is ignored for US2066. Uses hardwired pins instead |
wim | 33:900a94bc7585 | 1073 | // N=1 2 line / 4 Line |
wim | 33:900a94bc7585 | 1074 | // BE=0 Blink Enable off, special feature of SSD1803, US2066 |
wim | 33:900a94bc7585 | 1075 | // REV=0 Reverse off, special feature of SSD1803, US2066 |
wim | 33:900a94bc7585 | 1076 | |
wim | 33:900a94bc7585 | 1077 | _lines = 0x00; // Ext function set 0 0 0 0 1 FW BW NW |
wim | 33:900a94bc7585 | 1078 | // NW=0 2-Line LCD (N=1) |
wim | 33:900a94bc7585 | 1079 | break; |
wim | 33:900a94bc7585 | 1080 | |
wim | 33:900a94bc7585 | 1081 | case LCD12x3D: // Special mode for KS0078 and PCF21XX |
wim | 33:900a94bc7585 | 1082 | // case LCD12x3D1: // Special mode for KS0078 and PCF21XX |
wim | 33:900a94bc7585 | 1083 | case LCD16x3D: // Special mode for KS0078, SSD1803 and US2066 |
wim | 33:900a94bc7585 | 1084 | // case LCD16x3D1: // Special mode for SSD1803, US2066 |
wim | 33:900a94bc7585 | 1085 | // case LCD20x3D: // Special mode for SSD1803, US2066 |
wim | 33:900a94bc7585 | 1086 | _function = 0x00; // Set function 0 0 1 X N DH RE(0) IS |
wim | 33:900a94bc7585 | 1087 | // Saved to allow switch between Instruction sets at later time |
wim | 33:900a94bc7585 | 1088 | // DL=X bit is ignored for US2066. Uses hardwired pins instead |
wim | 33:900a94bc7585 | 1089 | // N=0 1 Line / 3 Line |
wim | 33:900a94bc7585 | 1090 | // DH=0 Double Height disable |
wim | 33:900a94bc7585 | 1091 | // IS=0 |
wim | 33:900a94bc7585 | 1092 | |
wim | 33:900a94bc7585 | 1093 | _function_1 = 0x02; // Set function, 0 0 1 X N BE RE(1) REV |
wim | 33:900a94bc7585 | 1094 | // Saved to allow switch between Instruction sets at later time |
wim | 33:900a94bc7585 | 1095 | // DL=X bit is ignored for US2066. Uses hardwired pins instead |
wim | 33:900a94bc7585 | 1096 | // N=0 1 Line / 3 Line |
wim | 33:900a94bc7585 | 1097 | // BE=0 Blink Enable off, special feature of SSD1803, US2066 |
wim | 33:900a94bc7585 | 1098 | // REV=0 Reverse off, special feature of SSD1803, US2066 |
wim | 33:900a94bc7585 | 1099 | |
wim | 33:900a94bc7585 | 1100 | _lines = 0x00; // Ext function set 0 0 0 0 1 FW BW NW |
wim | 33:900a94bc7585 | 1101 | // NW=1 3-Line LCD (N=0) |
wim | 33:900a94bc7585 | 1102 | break; |
wim | 33:900a94bc7585 | 1103 | |
wim | 33:900a94bc7585 | 1104 | case LCD20x4D: // Special mode for SSD1803, US2066 |
wim | 33:900a94bc7585 | 1105 | _function = 0x08; // Set function 0 0 1 X N DH RE(0) IS |
wim | 33:900a94bc7585 | 1106 | // Saved to allow switch between Instruction sets at later time |
wim | 33:900a94bc7585 | 1107 | // DL=X bit is ignored for US2066. Uses hardwired pins instead |
wim | 33:900a94bc7585 | 1108 | // N=1 2 line / 4 Line |
wim | 33:900a94bc7585 | 1109 | // DH=0 Double Height disable |
wim | 33:900a94bc7585 | 1110 | // IS=0 |
wim | 33:900a94bc7585 | 1111 | |
wim | 33:900a94bc7585 | 1112 | _function_1 = 0x0A; // Set function, 0 0 1 DL N BE RE(1) REV |
wim | 33:900a94bc7585 | 1113 | // Saved to allow switch between Instruction sets at later time |
wim | 33:900a94bc7585 | 1114 | // DL=0 bit is ignored for US2066. Uses hardwired pins instead |
wim | 33:900a94bc7585 | 1115 | // N=1 2 line / 4 Line |
wim | 33:900a94bc7585 | 1116 | // BE=0 Blink Enable off, special feature of SSD1803, US2066 |
wim | 33:900a94bc7585 | 1117 | // REV=0 Reverse off, special feature of SSD1803, US2066 |
wim | 33:900a94bc7585 | 1118 | |
wim | 33:900a94bc7585 | 1119 | _lines = 0x01; // Ext function set 0 0 0 0 1 FW BW NW |
wim | 33:900a94bc7585 | 1120 | // NW=1 4-Line LCD (N=1) |
wim | 33:900a94bc7585 | 1121 | break; |
wim | 33:900a94bc7585 | 1122 | |
wim | 33:900a94bc7585 | 1123 | // case LCD24x1: |
wim | 33:900a94bc7585 | 1124 | // case LCD16x3G: // Special mode for ST7036 |
wim | 33:900a94bc7585 | 1125 | // case LCD24x4D: // Special mode for KS0078 |
wim | 33:900a94bc7585 | 1126 | default: |
wim | 33:900a94bc7585 | 1127 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 33:900a94bc7585 | 1128 | break; |
wim | 33:900a94bc7585 | 1129 | |
wim | 33:900a94bc7585 | 1130 | } // switch type |
wim | 33:900a94bc7585 | 1131 | |
wim | 34:e5a0dcb43ecc | 1132 | _writeCommand(0x00); // NOP, make sure to sync SPI |
wim | 33:900a94bc7585 | 1133 | |
wim | 33:900a94bc7585 | 1134 | // init special features |
wim | 33:900a94bc7585 | 1135 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV |
wim | 33:900a94bc7585 | 1136 | // Select Extended Instruction Set |
wim | 33:900a94bc7585 | 1137 | |
wim | 33:900a94bc7585 | 1138 | _writeCommand(0x71); // Function Select A: 0 1 1 1 0 0 0 1 (Ext Instr Set) |
wim | 33:900a94bc7585 | 1139 | _writeData(0x00); // Disable Internal VDD |
wim | 33:900a94bc7585 | 1140 | |
wim | 33:900a94bc7585 | 1141 | _writeCommand(0x79); // Function Select OLED: 0 1 1 1 1 0 0 1 (Ext Instr Set) |
wim | 33:900a94bc7585 | 1142 | |
wim | 33:900a94bc7585 | 1143 | _writeCommand(0xD5); // Display Clock Divide Ratio: 1 1 0 1 0 1 0 1 (Ext Instr Set, OLED Instr Set) |
wim | 33:900a94bc7585 | 1144 | _writeCommand(0x70); // Display Clock Divide Ratio value: 0 1 1 1 0 0 0 0 (Ext Instr Set, OLED Instr Set) |
wim | 33:900a94bc7585 | 1145 | |
wim | 33:900a94bc7585 | 1146 | _writeCommand(0x78); // Function Disable OLED: 0 1 1 1 1 0 0 0 (Ext Instr Set) |
wim | 33:900a94bc7585 | 1147 | |
wim | 33:900a94bc7585 | 1148 | // _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 | 1149 | _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 | 1150 | |
wim | 33:900a94bc7585 | 1151 | _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 | 1152 | |
wim | 34:e5a0dcb43ecc | 1153 | // _writeCommand(0x1C); // Double Height, 0 0 0 1 UD2=1, UD1=1, X, DH'=0 (Ext Instr Set) |
wim | 33:900a94bc7585 | 1154 | // // Default |
wim | 33:900a94bc7585 | 1155 | |
wim | 33:900a94bc7585 | 1156 | _writeCommand(0x72); // Function Select B: 0 1 1 1 0 0 1 0 (Ext Instr Set) |
wim | 33:900a94bc7585 | 1157 | _writeData(0x01); // Select ROM A (CGRAM 8, CGROM 248) |
wim | 33:900a94bc7585 | 1158 | |
wim | 33:900a94bc7585 | 1159 | _writeCommand(0x79); // Function Select OLED: 0 1 1 1 1 0 0 1 (Ext Instr Set) |
wim | 33:900a94bc7585 | 1160 | |
wim | 33:900a94bc7585 | 1161 | _writeCommand(0xDA); // Set Segm Pins Config: 1 1 0 1 1 0 1 0 (Ext Instr Set, OLED) |
wim | 33:900a94bc7585 | 1162 | _writeCommand(0x10); // Set Segm Pins Config value: Altern Odd/Even, Disable Remap (Ext Instr Set, OLED) |
wim | 33:900a94bc7585 | 1163 | |
wim | 33:900a94bc7585 | 1164 | _writeCommand(0xDC); // Function Select C: 1 1 0 1 1 1 0 0 (Ext Instr Set, OLED) |
wim | 33:900a94bc7585 | 1165 | // _writeCommand(0x00); // Set internal VSL, GPIO pin HiZ (always read low) |
wim | 33:900a94bc7585 | 1166 | _writeCommand(0x80); // Set external VSL, GPIO pin HiZ (always read low) |
wim | 33:900a94bc7585 | 1167 | |
wim | 33:900a94bc7585 | 1168 | _contrast = LCD_US20_CONTRAST; |
wim | 33:900a94bc7585 | 1169 | _writeCommand(0x81); // Set Contrast Control: 1 0 0 0 0 0 0 1 (Ext Instr Set, OLED) |
wim | 33:900a94bc7585 | 1170 | _writeCommand((_contrast << 2) | 0x03); // Set Contrast Value: 8 bits, use 6 bits for compatibility |
wim | 33:900a94bc7585 | 1171 | |
wim | 33:900a94bc7585 | 1172 | _writeCommand(0xD9); // Set Phase Length: 1 1 0 1 1 0 0 1 (Ext Instr Set, OLED) |
wim | 33:900a94bc7585 | 1173 | _writeCommand(0xF1); // Set Phase Length Value: |
wim | 33:900a94bc7585 | 1174 | |
wim | 33:900a94bc7585 | 1175 | _writeCommand(0xDB); // Set VCOMH Deselect Lvl: 1 1 0 1 1 0 1 1 (Ext Instr Set, OLED) |
wim | 33:900a94bc7585 | 1176 | _writeCommand(0x30); // Set VCOMH Deselect Value: 0.83 x VCC |
wim | 33:900a94bc7585 | 1177 | |
wim | 33:900a94bc7585 | 1178 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 33:900a94bc7585 | 1179 | |
wim | 33:900a94bc7585 | 1180 | //Test Fade/Blinking. Hard Blink on/off, No fade in/out ?? |
wim | 33:900a94bc7585 | 1181 | // _writeCommand(0x23); // Set (Ext Instr Set, OLED) |
wim | 33:900a94bc7585 | 1182 | // _writeCommand(0x3F); // Set interval 128 frames |
wim | 33:900a94bc7585 | 1183 | //End Test Blinking |
wim | 33:900a94bc7585 | 1184 | |
wim | 33:900a94bc7585 | 1185 | _writeCommand(0x78); // Function Disable OLED: 0 1 1 1 1 0 0 0 (Ext Instr Set) |
wim | 33:900a94bc7585 | 1186 | |
wim | 33:900a94bc7585 | 1187 | _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 X N DH RE(0) IS=1 Select Instruction Set 1 |
wim | 33:900a94bc7585 | 1188 | // Select Std Instr set, Select IS=1 |
wim | 33:900a94bc7585 | 1189 | |
wim | 33:900a94bc7585 | 1190 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV |
wim | 33:900a94bc7585 | 1191 | // Select Ext Instr Set, IS=1 |
wim | 33:900a94bc7585 | 1192 | _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 | 1193 | |
wim | 33:900a94bc7585 | 1194 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
wim | 34:e5a0dcb43ecc | 1195 | // Select Std Instr set, Select IS=0 |
wim | 33:900a94bc7585 | 1196 | break; // case US2066/SSD1311 Controller |
wim | 33:900a94bc7585 | 1197 | |
wim | 34:e5a0dcb43ecc | 1198 | //not yet tested on hardware |
wim | 34:e5a0dcb43ecc | 1199 | case PT6314 : |
wim | 34:e5a0dcb43ecc | 1200 | // Initialise Display configuration |
wim | 34:e5a0dcb43ecc | 1201 | switch (_type) { |
wim | 34:e5a0dcb43ecc | 1202 | case LCD8x1: //8x1 is a regular 1 line display |
wim | 34:e5a0dcb43ecc | 1203 | case LCD8x2B: //8x2B is a special case of 16x1 |
wim | 34:e5a0dcb43ecc | 1204 | // case LCD12x1: |
wim | 34:e5a0dcb43ecc | 1205 | case LCD16x1: |
wim | 34:e5a0dcb43ecc | 1206 | case LCD20x1: |
wim | 34:e5a0dcb43ecc | 1207 | case LCD24x1: |
wim | 34:e5a0dcb43ecc | 1208 | _function = 0x00; // Function set 001 DL N X BR1 BR0 |
wim | 34:e5a0dcb43ecc | 1209 | // DL=0 (4 bits bus) |
wim | 34:e5a0dcb43ecc | 1210 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 34:e5a0dcb43ecc | 1211 | // N=0 (1 line) |
wim | 34:e5a0dcb43ecc | 1212 | // X |
wim | 34:e5a0dcb43ecc | 1213 | // BR1=0 (2 significant bits for brightness |
wim | 34:e5a0dcb43ecc | 1214 | // BR0=0 |
wim | 34:e5a0dcb43ecc | 1215 | // 0x0 = 100% |
wim | 34:e5a0dcb43ecc | 1216 | // 0x1 = 75% |
wim | 34:e5a0dcb43ecc | 1217 | // 0x2 = 50% |
wim | 34:e5a0dcb43ecc | 1218 | // 0x3 = 25% |
wim | 34:e5a0dcb43ecc | 1219 | |
wim | 34:e5a0dcb43ecc | 1220 | break; |
wim | 34:e5a0dcb43ecc | 1221 | |
wim | 34:e5a0dcb43ecc | 1222 | // All other valid LCD types are initialised as 2 Line displays |
wim | 34:e5a0dcb43ecc | 1223 | case LCD8x2: |
wim | 34:e5a0dcb43ecc | 1224 | case LCD16x2: |
wim | 34:e5a0dcb43ecc | 1225 | case LCD20x2: |
wim | 34:e5a0dcb43ecc | 1226 | case LCD24x2: |
wim | 34:e5a0dcb43ecc | 1227 | _function = 0x08; // Function set 001 DL N X BR1 BR2 |
wim | 34:e5a0dcb43ecc | 1228 | // DL=0 (4 bits bus) |
wim | 34:e5a0dcb43ecc | 1229 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 34:e5a0dcb43ecc | 1230 | // N=1 (2 lines) |
wim | 34:e5a0dcb43ecc | 1231 | // X |
wim | 34:e5a0dcb43ecc | 1232 | // BR1=0 (2 significant bits for brightness |
wim | 34:e5a0dcb43ecc | 1233 | // BR0=0 |
wim | 34:e5a0dcb43ecc | 1234 | break; |
wim | 34:e5a0dcb43ecc | 1235 | |
wim | 34:e5a0dcb43ecc | 1236 | default: |
wim | 34:e5a0dcb43ecc | 1237 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 34:e5a0dcb43ecc | 1238 | break; |
wim | 34:e5a0dcb43ecc | 1239 | } // switch type |
wim | 34:e5a0dcb43ecc | 1240 | |
wim | 34:e5a0dcb43ecc | 1241 | _contrast = LCD_PT63_CONTRAST; |
wim | 34:e5a0dcb43ecc | 1242 | _writeCommand(0x20 | _function | ((~_contrast) >> 4)); // Invert and shift to use 2 MSBs |
wim | 34:e5a0dcb43ecc | 1243 | break; // case PT6314 Controller (VFD) |
wim | 39:e9c2319de9c5 | 1244 | |
wim | 39:e9c2319de9c5 | 1245 | |
wim | 39:e9c2319de9c5 | 1246 | case HD66712: |
wim | 39:e9c2319de9c5 | 1247 | // Initialise Display configuration |
wim | 39:e9c2319de9c5 | 1248 | switch (_type) { |
wim | 39:e9c2319de9c5 | 1249 | case LCD8x1: //8x1 is a regular 1 line display |
wim | 39:e9c2319de9c5 | 1250 | case LCD12x1: |
wim | 39:e9c2319de9c5 | 1251 | case LCD16x1: |
wim | 39:e9c2319de9c5 | 1252 | case LCD20x1: |
wim | 39:e9c2319de9c5 | 1253 | case LCD24x1: |
wim | 39:e9c2319de9c5 | 1254 | // case LCD32x1: // EXT pin is High, extension driver needed |
wim | 40:d3496c3ea301 | 1255 | _function = 0x02; // Function set 001 DL N RE(0) - - (Std Regs) |
wim | 39:e9c2319de9c5 | 1256 | // DL=0 (4 bits bus) |
wim | 39:e9c2319de9c5 | 1257 | // N=0 (1-line mode, N=1 2-line mode) |
wim | 40:d3496c3ea301 | 1258 | // RE=0 (Dis. Extended Regs, special mode for HD66712) |
wim | 40:d3496c3ea301 | 1259 | // |
wim | 39:e9c2319de9c5 | 1260 | |
wim | 39:e9c2319de9c5 | 1261 | _function_1 = 0x04; // Function set 001 DL N RE(1) BE LP (Ext Regs) |
wim | 39:e9c2319de9c5 | 1262 | // DL=0 (4 bits bus) |
wim | 39:e9c2319de9c5 | 1263 | // N=0 (1-line mode, N=1 2-line mode) |
wim | 40:d3496c3ea301 | 1264 | // RE=1 (Ena Extended Regs; special mode for HD66712) |
wim | 40:d3496c3ea301 | 1265 | // BE=0 (Blink Enable, CG/SEG RAM; special mode for HD66712) |
wim | 40:d3496c3ea301 | 1266 | // LP=0 (LP=1 Low power mode, LP=0 Normal; special mode for HD66712) |
wim | 39:e9c2319de9c5 | 1267 | |
wim | 39:e9c2319de9c5 | 1268 | _function_x = 0x00; // Ext Function set 0000 1 FW BW NW (Ext Regs) |
wim | 40:d3496c3ea301 | 1269 | // NW=0 (1,2 line), NW=1 (4 Line, special mode for HD66712) |
wim | 39:e9c2319de9c5 | 1270 | break; |
wim | 39:e9c2319de9c5 | 1271 | |
wim | 40:d3496c3ea301 | 1272 | // case LCD12x3D: // Special mode for KS0073, KS0078, PCF21XX and HD66712 |
wim | 40:d3496c3ea301 | 1273 | // case LCD12x3D1: // Special mode for KS0073, KS0078, PCF21XX and HD66712 |
wim | 39:e9c2319de9c5 | 1274 | case LCD12x4D: // Special mode for KS0073, KS0078, PCF21XX and HD66712 |
wim | 40:d3496c3ea301 | 1275 | // case LCD16x3D: // Special mode for KS0073, KS0078 and HD66712 |
wim | 40:d3496c3ea301 | 1276 | // case LCD16x4D: // Special mode for KS0073, KS0078 and HD66712 |
wim | 39:e9c2319de9c5 | 1277 | case LCD20x4D: // Special mode for KS0073, KS0078 and HD66712 |
wim | 40:d3496c3ea301 | 1278 | _function = 0x02; // Function set 001 DL N RE(0) - - (Std Regs) |
wim | 39:e9c2319de9c5 | 1279 | // DL=0 (4 bits bus) |
wim | 40:d3496c3ea301 | 1280 | // N=0 (1-line mode, N=1 2-line mode) |
wim | 40:d3496c3ea301 | 1281 | // RE=0 (Dis. Extended Regs, special mode for HD66712) |
wim | 40:d3496c3ea301 | 1282 | // |
wim | 39:e9c2319de9c5 | 1283 | |
wim | 39:e9c2319de9c5 | 1284 | _function_1 = 0x04; // Function set 001 DL N RE(1) BE LP (Ext Regs) |
wim | 39:e9c2319de9c5 | 1285 | // DL=0 (4 bits bus) |
wim | 40:d3496c3ea301 | 1286 | // N=0 (1-line mode, N=1 2-line mode) |
wim | 40:d3496c3ea301 | 1287 | // RE=1 (Ena Extended Regs; special mode for HD66712) |
wim | 40:d3496c3ea301 | 1288 | // BE=0 (Blink Enable, CG/SEG RAM; special mode for HD66712) |
wim | 40:d3496c3ea301 | 1289 | // LP=0 (LP=1 Low power mode, LP=0 Normal; special mode for HD66712) |
wim | 39:e9c2319de9c5 | 1290 | |
wim | 39:e9c2319de9c5 | 1291 | _function_x = 0x01; // Ext Function set 0000 1 FW BW NW (Ext Regs) |
wim | 40:d3496c3ea301 | 1292 | // NW=0 (1,2 line), NW=1 (4 Line, special mode for HD66712) |
wim | 39:e9c2319de9c5 | 1293 | break; |
wim | 39:e9c2319de9c5 | 1294 | |
wim | 39:e9c2319de9c5 | 1295 | case LCD16x3G: // Special mode for ST7036 |
wim | 39:e9c2319de9c5 | 1296 | // case LCD24x3D: // Special mode for KS0078 |
wim | 39:e9c2319de9c5 | 1297 | // case LCD24x3D1: // Special mode for KS0078 |
wim | 39:e9c2319de9c5 | 1298 | case LCD24x4D: // Special mode for KS0078 |
wim | 39:e9c2319de9c5 | 1299 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 39:e9c2319de9c5 | 1300 | break; |
wim | 39:e9c2319de9c5 | 1301 | |
wim | 39:e9c2319de9c5 | 1302 | default: |
wim | 39:e9c2319de9c5 | 1303 | // All other LCD types are initialised as 2 Line displays (including LCD16x1C and LCD40x4) |
wim | 40:d3496c3ea301 | 1304 | _function = 0x0A; // Function set 001 DL N RE(0) - - (Std Regs) |
wim | 39:e9c2319de9c5 | 1305 | // DL=0 (4 bits bus) |
wim | 39:e9c2319de9c5 | 1306 | // N=1 (2-line mode), N=0 (1-line mode) |
wim | 40:d3496c3ea301 | 1307 | // RE=0 (Dis. Extended Regs, special mode for HD66712) |
wim | 39:e9c2319de9c5 | 1308 | |
wim | 39:e9c2319de9c5 | 1309 | _function_1 = 0x0C; // Function set 001 DL N RE(1) BE LP (Ext Regs) |
wim | 39:e9c2319de9c5 | 1310 | // DL=0 (4 bits bus) |
wim | 39:e9c2319de9c5 | 1311 | // N=1 (2 line mode), N=0 (1-line mode) |
wim | 40:d3496c3ea301 | 1312 | // RE=1 (Ena Extended Regs, special mode for HD66712) |
wim | 40:d3496c3ea301 | 1313 | // BE=0 (Blink Enable, CG/SEG RAM, special mode for HD66712) |
wim | 40:d3496c3ea301 | 1314 | // LP=0 (LP=1 Low power mode, LP=0 Normal) |
wim | 39:e9c2319de9c5 | 1315 | |
wim | 39:e9c2319de9c5 | 1316 | _function_x = 0x00; // Ext Function set 0000 1 FW BW NW (Ext Regs) |
wim | 40:d3496c3ea301 | 1317 | // NW=0 (1,2 line), NW=1 (4 Line, special mode for HD66712) |
wim | 39:e9c2319de9c5 | 1318 | break; |
wim | 39:e9c2319de9c5 | 1319 | } // switch type |
wim | 39:e9c2319de9c5 | 1320 | |
wim | 39:e9c2319de9c5 | 1321 | // init special features |
wim | 39:e9c2319de9c5 | 1322 | _writeCommand(0x20 | _function_1);// Function set 001 DL N RE(1) BE LP (Ext Regs) |
wim | 39:e9c2319de9c5 | 1323 | // DL=0 (4 bits bus), DL=1 (8 bits mode) |
wim | 39:e9c2319de9c5 | 1324 | // N=0 (1 line mode), N=1 (2 line mode) |
wim | 40:d3496c3ea301 | 1325 | // RE=1 (Ena Extended Regs, special mode for HD66712) |
wim | 40:d3496c3ea301 | 1326 | // BE=0 (Blink Enable/Disable, CG/SEG RAM, special mode for HD66712) |
wim | 39:e9c2319de9c5 | 1327 | // LP=0 (LP=1 Low power mode, LP=0 Normal) |
wim | 39:e9c2319de9c5 | 1328 | |
wim | 39:e9c2319de9c5 | 1329 | _writeCommand(0x08 | _function_x); // Ext Function set 0000 1 FW BW NW (Ext Regs) |
wim | 40:d3496c3ea301 | 1330 | // FW=0 (5-dot font, special mode for HD66712) |
wim | 40:d3496c3ea301 | 1331 | // BW=0 (Cur BW invert disable, special mode for HD66712) |
wim | 40:d3496c3ea301 | 1332 | // NW=0 (1,2 Line), NW=1 (4 line, special mode for HD66712) |
wim | 40:d3496c3ea301 | 1333 | |
wim | 40:d3496c3ea301 | 1334 | _writeCommand(0x10); // Scroll/Shift set 0001 HS4 HS3 HS2 HS1 (Ext Regs) |
wim | 40:d3496c3ea301 | 1335 | // Dotscroll/Display shift enable (Special mode for HD66712) |
wim | 40:d3496c3ea301 | 1336 | |
wim | 40:d3496c3ea301 | 1337 | _writeCommand(0x80); // Scroll Quantity set 1 0 HDS5 HDS4 HDS3 HDS2 HDS1 HDS0 (Ext Regs) |
wim | 40:d3496c3ea301 | 1338 | // Scroll quantity (Special mode for HD66712) |
wim | 39:e9c2319de9c5 | 1339 | |
wim | 39:e9c2319de9c5 | 1340 | _writeCommand(0x20 | _function); // Function set 001 DL N RE(0) DH REV (Std Regs) |
wim | 39:e9c2319de9c5 | 1341 | // DL=0 (4 bits bus), DL=1 (8 bits mode) |
wim | 39:e9c2319de9c5 | 1342 | // N=0 (1 line mode), N=1 (2 line mode) |
wim | 40:d3496c3ea301 | 1343 | // RE=0 (Dis. Extended Regs, special mode for HD66712) |
wim | 40:d3496c3ea301 | 1344 | // DH=1 (Disp shift enable/disable, special mode for HD66712) |
wim | 40:d3496c3ea301 | 1345 | // REV=0 (Reverse/Normal, special mode for HD66712) |
wim | 39:e9c2319de9c5 | 1346 | break; // case HD66712 Controller |
wim | 39:e9c2319de9c5 | 1347 | |
wim | 41:111ca62e8a59 | 1348 | case SPLC792A_3V3: |
wim | 41:111ca62e8a59 | 1349 | // SPLC792A controller: Initialise Voltage booster for VLCD. VDD=3V3 |
wim | 41:111ca62e8a59 | 1350 | // Note very similar to ST7032 |
wim | 41:111ca62e8a59 | 1351 | |
wim | 41:111ca62e8a59 | 1352 | // Initialise Display configuration |
wim | 41:111ca62e8a59 | 1353 | switch (_type) { |
wim | 41:111ca62e8a59 | 1354 | case LCD8x1: //8x1 is a regular 1 line display |
wim | 41:111ca62e8a59 | 1355 | case LCD8x2B: //8x2B is a special case of 16x1 |
wim | 41:111ca62e8a59 | 1356 | // case LCD12x1: |
wim | 41:111ca62e8a59 | 1357 | case LCD16x1: |
wim | 41:111ca62e8a59 | 1358 | // case LCD20x1: |
wim | 41:111ca62e8a59 | 1359 | case LCD24x1: |
wim | 41:111ca62e8a59 | 1360 | _function = 0x00; // FUNCTION SET 0 0 1 DL=0 (4 bit), N=0 (1-line display mode), F=0 (5*7dot), 0, IS |
wim | 41:111ca62e8a59 | 1361 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 41:111ca62e8a59 | 1362 | // Saved to allow switch between Instruction sets at later time |
wim | 41:111ca62e8a59 | 1363 | break; |
wim | 41:111ca62e8a59 | 1364 | |
wim | 41:111ca62e8a59 | 1365 | case LCD12x3D: // Special mode for KS0078 and PCF21XX |
wim | 41:111ca62e8a59 | 1366 | case LCD12x3D1: // Special mode for KS0078 and PCF21XX |
wim | 41:111ca62e8a59 | 1367 | case LCD12x4D: // Special mode for KS0078 and PCF21XX |
wim | 41:111ca62e8a59 | 1368 | case LCD16x3G: // Special mode for ST7036 |
wim | 41:111ca62e8a59 | 1369 | case LCD24x4D: // Special mode for KS0078 |
wim | 41:111ca62e8a59 | 1370 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 41:111ca62e8a59 | 1371 | break; |
wim | 41:111ca62e8a59 | 1372 | |
wim | 41:111ca62e8a59 | 1373 | default: |
wim | 41:111ca62e8a59 | 1374 | // All other LCD types are initialised as 2 Line displays |
wim | 41:111ca62e8a59 | 1375 | _function = 0x08; // FUNCTION SET 0 0 1 DL=0 (4 bit), N=1 (2-line display mode), F=0 (5*7dot), 0, IS |
wim | 41:111ca62e8a59 | 1376 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 41:111ca62e8a59 | 1377 | // Saved to allow switch between Instruction sets at later time |
wim | 41:111ca62e8a59 | 1378 | break; |
wim | 41:111ca62e8a59 | 1379 | } // switch type |
wim | 41:111ca62e8a59 | 1380 | |
wim | 41:111ca62e8a59 | 1381 | // init special features |
wim | 41:111ca62e8a59 | 1382 | _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N F 0 IS=1 Select Instr Set = 1 |
wim | 41:111ca62e8a59 | 1383 | |
wim | 41:111ca62e8a59 | 1384 | //SPLC792A Does not support Bias and Internal Osc register |
wim | 41:111ca62e8a59 | 1385 | // _writeCommand(0x1C); // Internal OSC frequency adjustment Framefreq=183HZ, Bias will be 1/4 (Instr Set=1) |
wim | 41:111ca62e8a59 | 1386 | |
wim | 41:111ca62e8a59 | 1387 | _contrast = LCD_SPLC792A_CONTRAST; |
wim | 41:111ca62e8a59 | 1388 | _writeCommand(0x70 | (_contrast & 0x0F)); // Set Contrast Low bits, 0 1 1 1 C3 C2 C1 C0 (IS=1) |
wim | 41:111ca62e8a59 | 1389 | |
wim | 41:111ca62e8a59 | 1390 | |
wim | 41:111ca62e8a59 | 1391 | // _icon_power = 0x04; // Icon display off (Bit3=0), Booster circuit is turned on (Bit2=1) (IS=1) |
wim | 41:111ca62e8a59 | 1392 | _icon_power = 0x0C; // Icon display on (Bit3=1), Booster circuit is turned on (Bit2=1) (IS=1) |
wim | 41:111ca62e8a59 | 1393 | // Note: Booster circuit always on for SPLC792A, Bit2 is dont care |
wim | 41:111ca62e8a59 | 1394 | // Saved to allow contrast change at later time |
wim | 41:111ca62e8a59 | 1395 | |
wim | 41:111ca62e8a59 | 1396 | _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 | 41:111ca62e8a59 | 1397 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 41:111ca62e8a59 | 1398 | |
wim | 41:111ca62e8a59 | 1399 | _writeCommand(0x68 | (LCD_SPLC792A_RAB & 0x07)); // Voltage follower, 0 1 1 0 FOn=1, Ampl ratio Rab2=1, Rab1=0, Rab0=0 (IS=1) |
wim | 41:111ca62e8a59 | 1400 | // Note: Follower circuit always on for SPLC792A, Bit3 is dont care |
wim | 41:111ca62e8a59 | 1401 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 41:111ca62e8a59 | 1402 | |
wim | 41:111ca62e8a59 | 1403 | _writeCommand(0x20 | _function); // Select Instruction Set = 0 |
wim | 41:111ca62e8a59 | 1404 | |
wim | 41:111ca62e8a59 | 1405 | break; // case SPLC792A_3V3 Controller |
wim | 41:111ca62e8a59 | 1406 | |
wim | 37:ce348c002929 | 1407 | case ST7066_ACM: // ST7066 4/8 bit, I2C on ACM1602 using a PIC |
wim | 19:c747b9e2e7b8 | 1408 | default: |
wim | 32:59c4b8f648d4 | 1409 | // Devices fully compatible to HD44780 that do not use any DC/DC Voltage converters but external VLCD, no icons etc |
wim | 10:dd9b3a696acd | 1410 | |
wim | 29:a3663151aa65 | 1411 | // Initialise Display configuration |
wim | 29:a3663151aa65 | 1412 | switch (_type) { |
wim | 29:a3663151aa65 | 1413 | case LCD8x1: //8x1 is a regular 1 line display |
wim | 29:a3663151aa65 | 1414 | case LCD8x2B: //8x2B is a special case of 16x1 |
wim | 29:a3663151aa65 | 1415 | // case LCD12x1: |
wim | 29:a3663151aa65 | 1416 | case LCD16x1: |
wim | 30:033048611c01 | 1417 | // case LCD20x1: |
wim | 29:a3663151aa65 | 1418 | case LCD24x1: |
wim | 30:033048611c01 | 1419 | // case LCD40x1: |
wim | 32:59c4b8f648d4 | 1420 | _function = 0x00; // Function set 001 DL N F - - |
wim | 29:a3663151aa65 | 1421 | // DL=0 (4 bits bus) |
wim | 29:a3663151aa65 | 1422 | // N=0 (1 line) |
wim | 29:a3663151aa65 | 1423 | // F=0 (5x7 dots font) |
wim | 29:a3663151aa65 | 1424 | break; |
wim | 29:a3663151aa65 | 1425 | |
wim | 32:59c4b8f648d4 | 1426 | case LCD12x3D: // Special mode for KS0078 and PCF21XX |
wim | 32:59c4b8f648d4 | 1427 | case LCD12x3D1: // Special mode for KS0078 and PCF21XX |
wim | 32:59c4b8f648d4 | 1428 | case LCD12x4D: // Special mode for KS0078 and PCF21XX: |
wim | 33:900a94bc7585 | 1429 | case LCD16x3D: // Special mode for KS0078 |
wim | 32:59c4b8f648d4 | 1430 | // case LCD16x3D1: // Special mode for KS0078 |
wim | 30:033048611c01 | 1431 | // case LCD24x3D: // Special mode for KS0078 |
wim | 32:59c4b8f648d4 | 1432 | // case LCD24x3D1: // Special mode for KS0078 |
wim | 30:033048611c01 | 1433 | case LCD24x4D: // Special mode for KS0078 |
wim | 30:033048611c01 | 1434 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 30:033048611c01 | 1435 | break; |
wim | 30:033048611c01 | 1436 | |
wim | 30:033048611c01 | 1437 | // All other LCD types are initialised as 2 Line displays (including LCD16x1C and LCD40x4) |
wim | 29:a3663151aa65 | 1438 | default: |
wim | 32:59c4b8f648d4 | 1439 | _function = 0x08; // Function set 001 DL N F - - |
wim | 29:a3663151aa65 | 1440 | // DL=0 (4 bits bus) |
wim | 29:a3663151aa65 | 1441 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 29:a3663151aa65 | 1442 | // N=1 (2 lines) |
wim | 29:a3663151aa65 | 1443 | // F=0 (5x7 dots font, only option for 2 line display) |
wim | 32:59c4b8f648d4 | 1444 | // - (Don't care) |
wim | 29:a3663151aa65 | 1445 | break; |
wim | 29:a3663151aa65 | 1446 | } // switch type |
wim | 10:dd9b3a696acd | 1447 | |
wim | 34:e5a0dcb43ecc | 1448 | _writeCommand(0x20 | _function); |
wim | 29:a3663151aa65 | 1449 | break; // case default Controller |
wim | 29:a3663151aa65 | 1450 | |
wim | 34:e5a0dcb43ecc | 1451 | } // switch Controller specific initialisations |
wim | 10:dd9b3a696acd | 1452 | |
wim | 30:033048611c01 | 1453 | // Controller general initialisations |
wim | 39:e9c2319de9c5 | 1454 | // _writeCommand(0x01); // Clear Display and set cursor to 0 |
wim | 32:59c4b8f648d4 | 1455 | // wait_ms(10); // The CLS command takes 1.64 ms. |
wim | 32:59c4b8f648d4 | 1456 | // // Since we are not using the Busy flag, Lets be safe and take 10 ms |
wim | 28:30fa94f7341c | 1457 | |
wim | 39:e9c2319de9c5 | 1458 | _writeCommand(0x02); // Cursor Home, DDRAM Address to Origin |
wim | 39:e9c2319de9c5 | 1459 | wait_ms(10); // The Return Home command takes 1.64 ms. |
wim | 39:e9c2319de9c5 | 1460 | // Since we are not using the Busy flag, Lets be safe and take 10 ms |
wim | 28:30fa94f7341c | 1461 | |
wim | 28:30fa94f7341c | 1462 | _writeCommand(0x06); // Entry Mode 0000 0 1 I/D S |
wim | 13:24506ba22480 | 1463 | // Cursor Direction and Display Shift |
wim | 28:30fa94f7341c | 1464 | // I/D=1 (Cur incr) |
wim | 28:30fa94f7341c | 1465 | // S=0 (No display shift) |
wim | 10:dd9b3a696acd | 1466 | |
wim | 29:a3663151aa65 | 1467 | _writeCommand(0x14); // Cursor or Display shift 0001 S/C R/L x x |
wim | 29:a3663151aa65 | 1468 | // S/C=0 Cursor moves |
wim | 29:a3663151aa65 | 1469 | // R/L=1 Right |
wim | 29:a3663151aa65 | 1470 | // |
wim | 29:a3663151aa65 | 1471 | |
wim | 13:24506ba22480 | 1472 | // _writeCommand(0x0C); // Display Ctrl 0000 1 D C B |
wim | 17:652ab113bc2e | 1473 | // // Display On, Cursor Off, Blink Off |
wim | 36:9f5f86dfd44a | 1474 | |
wim | 39:e9c2319de9c5 | 1475 | // setCursor(CurOff_BlkOff); |
wim | 39:e9c2319de9c5 | 1476 | setCursor(CurOn_BlkOff); |
wim | 21:9eb628d9e164 | 1477 | setMode(DispOn); |
simon | 1:ac48b187213c | 1478 | } |
simon | 1:ac48b187213c | 1479 | |
wim | 8:03116f75b66e | 1480 | |
wim | 21:9eb628d9e164 | 1481 | /** Clear the screen, Cursor home. |
wim | 39:e9c2319de9c5 | 1482 | * Note: The whole display is initialised to charcode 0x20, which may not be a 'space' on some controllers with a |
wim | 39:e9c2319de9c5 | 1483 | * different fontset such as the PCF2116C or PCF2119R. In this case you should fill the display with 'spaces'. |
wim | 21:9eb628d9e164 | 1484 | */ |
wim | 21:9eb628d9e164 | 1485 | void TextLCD_Base::cls() { |
wim | 15:b70ebfffb258 | 1486 | |
wim | 41:111ca62e8a59 | 1487 | #if (LCD_TWO_CTRL == 1) |
wim | 15:b70ebfffb258 | 1488 | // Select and configure second LCD controller when needed |
wim | 15:b70ebfffb258 | 1489 | if(_type==LCD40x4) { |
wim | 21:9eb628d9e164 | 1490 | _ctrl_idx=_LCDCtrl_1; // Select 2nd controller |
wim | 15:b70ebfffb258 | 1491 | |
wim | 15:b70ebfffb258 | 1492 | // Second LCD controller Cursor always Off |
wim | 21:9eb628d9e164 | 1493 | _setCursorAndDisplayMode(_currentMode, CurOff_BlkOff); |
wim | 15:b70ebfffb258 | 1494 | |
wim | 15:b70ebfffb258 | 1495 | // Second LCD controller Clearscreen |
wim | 27:22d5086f6ba6 | 1496 | _writeCommand(0x01); // cls, and set cursor to 0 |
wim | 39:e9c2319de9c5 | 1497 | wait_ms(20); // The CLS command takes 1.64 ms. |
wim | 29:a3663151aa65 | 1498 | // Since we are not using the Busy flag, Lets be safe and take 10 ms |
wim | 15:b70ebfffb258 | 1499 | |
wim | 21:9eb628d9e164 | 1500 | _ctrl_idx=_LCDCtrl_0; // Select primary controller |
wim | 15:b70ebfffb258 | 1501 | } |
wim | 41:111ca62e8a59 | 1502 | |
wim | 15:b70ebfffb258 | 1503 | |
wim | 15:b70ebfffb258 | 1504 | // Primary LCD controller Clearscreen |
wim | 27:22d5086f6ba6 | 1505 | _writeCommand(0x01); // cls, and set cursor to 0 |
wim | 39:e9c2319de9c5 | 1506 | wait_ms(20); // The CLS command takes 1.64 ms. |
wim | 29:a3663151aa65 | 1507 | // Since we are not using the Busy flag, Lets be safe and take 10 ms |
wim | 15:b70ebfffb258 | 1508 | |
wim | 15:b70ebfffb258 | 1509 | // Restore cursormode on primary LCD controller when needed |
wim | 15:b70ebfffb258 | 1510 | if(_type==LCD40x4) { |
wim | 17:652ab113bc2e | 1511 | _setCursorAndDisplayMode(_currentMode,_currentCursor); |
wim | 15:b70ebfffb258 | 1512 | } |
wim | 41:111ca62e8a59 | 1513 | |
wim | 41:111ca62e8a59 | 1514 | #else |
wim | 41:111ca62e8a59 | 1515 | // Support only one LCD controller |
wim | 41:111ca62e8a59 | 1516 | _writeCommand(0x01); // cls, and set cursor to 0 |
wim | 41:111ca62e8a59 | 1517 | wait_ms(20); // The CLS command takes 1.64 ms. |
wim | 41:111ca62e8a59 | 1518 | // Since we are not using the Busy flag, Lets be safe and take 10 ms |
wim | 41:111ca62e8a59 | 1519 | #endif |
wim | 15:b70ebfffb258 | 1520 | |
wim | 29:a3663151aa65 | 1521 | setAddress(0, 0); // Reset Cursor location |
wim | 32:59c4b8f648d4 | 1522 | // Note: This is needed because some displays (eg PCF21XX) don't use line 0 in the '3 Line' mode. |
simon | 1:ac48b187213c | 1523 | } |
simon | 1:ac48b187213c | 1524 | |
wim | 29:a3663151aa65 | 1525 | /** Locate cursor to a screen column and row |
wim | 29:a3663151aa65 | 1526 | * |
wim | 29:a3663151aa65 | 1527 | * @param column The horizontal position from the left, indexed from 0 |
wim | 29:a3663151aa65 | 1528 | * @param row The vertical position from the top, indexed from 0 |
wim | 29:a3663151aa65 | 1529 | */ |
wim | 21:9eb628d9e164 | 1530 | void TextLCD_Base::locate(int column, int row) { |
wim | 15:b70ebfffb258 | 1531 | |
wim | 15:b70ebfffb258 | 1532 | // setAddress() does all the heavy lifting: |
wim | 15:b70ebfffb258 | 1533 | // check column and row sanity, |
wim | 15:b70ebfffb258 | 1534 | // switch controllers for LCD40x4 if needed |
wim | 15:b70ebfffb258 | 1535 | // switch cursor for LCD40x4 if needed |
wim | 15:b70ebfffb258 | 1536 | // set the new memory address to show cursor at correct location |
wim | 32:59c4b8f648d4 | 1537 | setAddress(column, row); |
wim | 15:b70ebfffb258 | 1538 | } |
wim | 30:033048611c01 | 1539 | |
wim | 15:b70ebfffb258 | 1540 | |
wim | 21:9eb628d9e164 | 1541 | /** Write a single character (Stream implementation) |
wim | 21:9eb628d9e164 | 1542 | */ |
wim | 21:9eb628d9e164 | 1543 | int TextLCD_Base::_putc(int value) { |
wim | 15:b70ebfffb258 | 1544 | int addr; |
wim | 15:b70ebfffb258 | 1545 | |
wim | 15:b70ebfffb258 | 1546 | if (value == '\n') { |
wim | 15:b70ebfffb258 | 1547 | //No character to write |
wim | 15:b70ebfffb258 | 1548 | |
wim | 15:b70ebfffb258 | 1549 | //Update Cursor |
wim | 15:b70ebfffb258 | 1550 | _column = 0; |
wim | 15:b70ebfffb258 | 1551 | _row++; |
wim | 15:b70ebfffb258 | 1552 | if (_row >= rows()) { |
wim | 15:b70ebfffb258 | 1553 | _row = 0; |
wim | 15:b70ebfffb258 | 1554 | } |
wim | 15:b70ebfffb258 | 1555 | } |
wim | 15:b70ebfffb258 | 1556 | else { |
wim | 37:ce348c002929 | 1557 | //Character to write |
wim | 41:111ca62e8a59 | 1558 | |
wim | 41:111ca62e8a59 | 1559 | #if (LCD_DEF_FONT == 1) //Default HD44780 font |
wim | 37:ce348c002929 | 1560 | _writeData(value); |
wim | 41:111ca62e8a59 | 1561 | #elif (LCD_C_FONT == 1) || (LCD_R_FONT == 1) //PCF21xxC or PCF21xxR font |
wim | 41:111ca62e8a59 | 1562 | _writeData(ASCII_2_LCD(value)); |
wim | 41:111ca62e8a59 | 1563 | #elif (LCD_UTF8_FONT == 1) // UTF8 2 byte font (eg Cyrillic) |
wim | 41:111ca62e8a59 | 1564 | // value = UTF_2_LCD(value, utf_seq_rec_first_cyr, utf_seq_recode_cyr, &utf_rnd_recode_cyr[0][0]); |
wim | 41:111ca62e8a59 | 1565 | value = UTF_2_LCD(value); |
wim | 41:111ca62e8a59 | 1566 | if (value >= 0) { |
wim | 41:111ca62e8a59 | 1567 | _writeData(value); |
wim | 41:111ca62e8a59 | 1568 | |
wim | 41:111ca62e8a59 | 1569 | // Only increment cursor when there is something to write |
wim | 41:111ca62e8a59 | 1570 | // Continue below to closing bracket... |
wim | 37:ce348c002929 | 1571 | #else |
wim | 41:111ca62e8a59 | 1572 | _writeData('?'); //Oops, no font defined |
wim | 41:111ca62e8a59 | 1573 | #endif |
wim | 41:111ca62e8a59 | 1574 | |
wim | 15:b70ebfffb258 | 1575 | //Update Cursor |
wim | 15:b70ebfffb258 | 1576 | _column++; |
wim | 15:b70ebfffb258 | 1577 | if (_column >= columns()) { |
wim | 15:b70ebfffb258 | 1578 | _column = 0; |
wim | 15:b70ebfffb258 | 1579 | _row++; |
wim | 15:b70ebfffb258 | 1580 | if (_row >= rows()) { |
wim | 15:b70ebfffb258 | 1581 | _row = 0; |
wim | 15:b70ebfffb258 | 1582 | } |
wim | 41:111ca62e8a59 | 1583 | } |
wim | 41:111ca62e8a59 | 1584 | |
wim | 41:111ca62e8a59 | 1585 | #if (LCD_DEF_FONT == 1) //Default HD44780 font |
wim | 41:111ca62e8a59 | 1586 | |
wim | 41:111ca62e8a59 | 1587 | #elif (LCD_C_FONT == 1) || (LCD_R_FONT == 1) //PCF21xxC or PCF21xxR font |
wim | 41:111ca62e8a59 | 1588 | |
wim | 41:111ca62e8a59 | 1589 | #elif (LCD_UTF8_FONT == 1) //UTF8 2 byte font (eg Cyrillic) |
wim | 41:111ca62e8a59 | 1590 | // Continue code above to close bracket... |
wim | 41:111ca62e8a59 | 1591 | } // if (value >= 0) {.. |
wim | 41:111ca62e8a59 | 1592 | #else |
wim | 41:111ca62e8a59 | 1593 | |
wim | 41:111ca62e8a59 | 1594 | #endif |
wim | 41:111ca62e8a59 | 1595 | |
wim | 15:b70ebfffb258 | 1596 | } //else |
wim | 15:b70ebfffb258 | 1597 | |
wim | 15:b70ebfffb258 | 1598 | //Set next memoryaddress, make sure cursor blinks at next location |
wim | 15:b70ebfffb258 | 1599 | addr = getAddress(_column, _row); |
wim | 15:b70ebfffb258 | 1600 | _writeCommand(0x80 | addr); |
wim | 15:b70ebfffb258 | 1601 | |
wim | 15:b70ebfffb258 | 1602 | return value; |
wim | 15:b70ebfffb258 | 1603 | } |
wim | 15:b70ebfffb258 | 1604 | |
wim | 15:b70ebfffb258 | 1605 | |
wim | 16:c276b75e6585 | 1606 | // get a single character (Stream implementation) |
wim | 21:9eb628d9e164 | 1607 | int TextLCD_Base::_getc() { |
simon | 1:ac48b187213c | 1608 | return -1; |
simon | 1:ac48b187213c | 1609 | } |
simon | 1:ac48b187213c | 1610 | |
wim | 41:111ca62e8a59 | 1611 | |
wim | 41:111ca62e8a59 | 1612 | #if ((LCD_C_FONT == 1) || (LCD_R_FONT == 1)) //PCF21xxC or PCF21xxR font |
wim | 37:ce348c002929 | 1613 | /** Convert ASCII character code to the LCD fonttable code |
wim | 37:ce348c002929 | 1614 | * |
wim | 37:ce348c002929 | 1615 | * @param c The character to write to the display |
wim | 37:ce348c002929 | 1616 | * @return The character code for the specific fonttable of the controller |
wim | 37:ce348c002929 | 1617 | */ |
wim | 37:ce348c002929 | 1618 | int TextLCD_Base::ASCII_2_LCD (int c) { |
wim | 37:ce348c002929 | 1619 | |
wim | 41:111ca62e8a59 | 1620 | //LCD_C_F0 is default for HD44780 and compatible series |
wim | 41:111ca62e8a59 | 1621 | // if (_font == LCD_C_F0) return c; |
wim | 41:111ca62e8a59 | 1622 | |
wim | 41:111ca62e8a59 | 1623 | //LCD_C_FC for PCF21XXC series |
wim | 41:111ca62e8a59 | 1624 | //LCD_C_FR for PCF21XXR series |
wim | 39:e9c2319de9c5 | 1625 | //Used code from Suga koubou library for PCF2119K and PCF2119R |
wim | 37:ce348c002929 | 1626 | if (((c >= ' ') && (c <= '?')) || ((c >= 'A') && (c <= 'Z')) || ((c >= 'a') && (c <= 'z'))) { |
wim | 37:ce348c002929 | 1627 | c |= 0x80; |
wim | 39:e9c2319de9c5 | 1628 | } else if (c >= 0xF0 && c <= 0xFF) { |
wim | 41:111ca62e8a59 | 1629 | c &= 0x0F; |
wim | 37:ce348c002929 | 1630 | } |
wim | 37:ce348c002929 | 1631 | return c; |
wim | 37:ce348c002929 | 1632 | } |
wim | 41:111ca62e8a59 | 1633 | #endif |
wim | 41:111ca62e8a59 | 1634 | |
wim | 41:111ca62e8a59 | 1635 | #if(LCD_UTF8_FONT == 1) |
wim | 41:111ca62e8a59 | 1636 | |
wim | 41:111ca62e8a59 | 1637 | /** Convert UTF8 2-byte character code to the LCD fonttable code |
wim | 41:111ca62e8a59 | 1638 | * @param c The character to write to the display |
wim | 41:111ca62e8a59 | 1639 | * @return character code for the specific fonttable of the controller or -1 if UTF8 code is not yet complete or incorrect |
wim | 41:111ca62e8a59 | 1640 | * |
wim | 41:111ca62e8a59 | 1641 | * Orig by Andriy, Modified by WH |
wim | 41:111ca62e8a59 | 1642 | * |
wim | 41:111ca62e8a59 | 1643 | * Note: The UTF8 decoding table for a specific controller is defined and selected in file TextLCD_UTF8.inc |
wim | 41:111ca62e8a59 | 1644 | * The table is accessed in this UTF_2_LCD() method through |
wim | 41:111ca62e8a59 | 1645 | * #define UTF_FIRST, UTF_LAST, UTF_SEQ_REC_FIRST, UTF_SEQ_REC_LAST and |
wim | 41:111ca62e8a59 | 1646 | * #define UTF_SEQ_RECODE and UTF_RND_RECODE |
wim | 41:111ca62e8a59 | 1647 | */ |
wim | 41:111ca62e8a59 | 1648 | int TextLCD_Base::UTF_2_LCD (int c) { |
wim | 41:111ca62e8a59 | 1649 | int utf_code; |
wim | 41:111ca62e8a59 | 1650 | int utf_low_byte; // Low byte UTF8 |
wim | 41:111ca62e8a59 | 1651 | static int utf_hi_byte = 0; // High byte UTF8 |
wim | 41:111ca62e8a59 | 1652 | |
wim | 41:111ca62e8a59 | 1653 | if (c < 0x80) { // Regular ASCII code, no need to convert |
wim | 41:111ca62e8a59 | 1654 | return c; |
wim | 41:111ca62e8a59 | 1655 | } |
wim | 41:111ca62e8a59 | 1656 | else { // UTF8 handling, See wikipedia.org/wiki/UTF-8 and www.utf8-chartable.de |
wim | 41:111ca62e8a59 | 1657 | // printf("0x%X ", c); |
wim | 41:111ca62e8a59 | 1658 | |
wim | 41:111ca62e8a59 | 1659 | if (c >= 0xC0) { // First UTF8 byte should be formatted as 110b bbaa, Do sanity check |
wim | 41:111ca62e8a59 | 1660 | utf_hi_byte = c & 0x1F; // Mask out significant bits (0x1F) and save high byte |
wim | 41:111ca62e8a59 | 1661 | return -1; // Nothing to display as yet, wait for second UTF8 byte |
wim | 41:111ca62e8a59 | 1662 | } |
wim | 41:111ca62e8a59 | 1663 | |
wim | 41:111ca62e8a59 | 1664 | if (c <= 0xBF) { // Second UTF8 byte should be formatted as 10aa aaaa, Do sanity check |
wim | 41:111ca62e8a59 | 1665 | utf_low_byte = c & 0x3F; // Mask out significant bits (0x3F) |
wim | 41:111ca62e8a59 | 1666 | |
wim | 41:111ca62e8a59 | 1667 | // Compose UTF character code from UTF8 bytes. The UTF codes will be between U+0080 and U+07FF |
wim | 41:111ca62e8a59 | 1668 | utf_code = (utf_hi_byte << 6) | utf_low_byte; // 00000bbb aaaaaaaa |
wim | 41:111ca62e8a59 | 1669 | // printf("0x%4X ", utf_code); |
wim | 41:111ca62e8a59 | 1670 | |
wim | 41:111ca62e8a59 | 1671 | // Sanity check on UTF codes |
wim | 41:111ca62e8a59 | 1672 | // For example Cyrillic characters are UTF encoded between 0x0400 and 0x04FF |
wim | 41:111ca62e8a59 | 1673 | if ((utf_code < UTF_FIRST) || (utf_code > UTF_LAST)) { |
wim | 41:111ca62e8a59 | 1674 | return -1; // Invalid UTF8 code |
wim | 41:111ca62e8a59 | 1675 | }; |
wim | 41:111ca62e8a59 | 1676 | |
wim | 41:111ca62e8a59 | 1677 | //Map some specific UTF codes on a character in LCD fonttable using a special correcting lookup table |
wim | 41:111ca62e8a59 | 1678 | for (char i=0; UTF_RND_RECODE[i][0]; i++) { // Step through table until endvalue 0 is found or until a match is found |
wim | 41:111ca62e8a59 | 1679 | if (utf_code == UTF_RND_RECODE[i][0]) { // UTF8 code match is found |
wim | 41:111ca62e8a59 | 1680 | c = UTF_RND_RECODE[1][1]; |
wim | 41:111ca62e8a59 | 1681 | return c; // found match in correcting random table |
wim | 41:111ca62e8a59 | 1682 | } |
wim | 41:111ca62e8a59 | 1683 | } |
wim | 41:111ca62e8a59 | 1684 | |
wim | 41:111ca62e8a59 | 1685 | //Sanity check on table idx range |
wim | 41:111ca62e8a59 | 1686 | if ((utf_code < UTF_SEQ_REC_FIRST) || (utf_code > UTF_SEQ_REC_LAST)) { |
wim | 41:111ca62e8a59 | 1687 | return -1; // Invalid UTF8 code |
wim | 41:111ca62e8a59 | 1688 | }; |
wim | 41:111ca62e8a59 | 1689 | |
wim | 41:111ca62e8a59 | 1690 | //Map all other UTF codes on a character in LCD fonttable using a sequential lookup table |
wim | 41:111ca62e8a59 | 1691 | c = UTF_SEQ_RECODE[utf_code - UTF_SEQ_REC_FIRST]; |
wim | 41:111ca62e8a59 | 1692 | return c; // entry in sequential table |
wim | 41:111ca62e8a59 | 1693 | } |
wim | 41:111ca62e8a59 | 1694 | else { |
wim | 41:111ca62e8a59 | 1695 | return -1; // Invalid UTF8 code for second byte |
wim | 41:111ca62e8a59 | 1696 | } |
wim | 41:111ca62e8a59 | 1697 | } // End UTF8 handling |
wim | 41:111ca62e8a59 | 1698 | } |
wim | 41:111ca62e8a59 | 1699 | |
wim | 41:111ca62e8a59 | 1700 | #endif |
wim | 41:111ca62e8a59 | 1701 | |
wim | 14:0c32b66b14b8 | 1702 | |
wim | 34:e5a0dcb43ecc | 1703 | #if(LCD_PRINTF != 1) |
wim | 34:e5a0dcb43ecc | 1704 | /** Write a character to the LCD |
wim | 34:e5a0dcb43ecc | 1705 | * |
wim | 34:e5a0dcb43ecc | 1706 | * @param c The character to write to the display |
wim | 34:e5a0dcb43ecc | 1707 | */ |
wim | 34:e5a0dcb43ecc | 1708 | int TextLCD_Base::putc(int c){ |
wim | 34:e5a0dcb43ecc | 1709 | return _putc(c); |
wim | 34:e5a0dcb43ecc | 1710 | } |
wim | 34:e5a0dcb43ecc | 1711 | |
wim | 34:e5a0dcb43ecc | 1712 | |
wim | 34:e5a0dcb43ecc | 1713 | /** Write a raw string to the LCD |
wim | 34:e5a0dcb43ecc | 1714 | * |
wim | 34:e5a0dcb43ecc | 1715 | * @param string text, may be followed by variables to emulate formatting the string. |
wim | 34:e5a0dcb43ecc | 1716 | * However, printf formatting is NOT supported and variables will be ignored! |
wim | 34:e5a0dcb43ecc | 1717 | */ |
wim | 34:e5a0dcb43ecc | 1718 | int TextLCD_Base::printf(const char* text, ...) { |
wim | 34:e5a0dcb43ecc | 1719 | |
wim | 34:e5a0dcb43ecc | 1720 | while (*text !=0) { |
wim | 34:e5a0dcb43ecc | 1721 | _putc(*text); |
wim | 34:e5a0dcb43ecc | 1722 | text++; |
wim | 34:e5a0dcb43ecc | 1723 | } |
wim | 34:e5a0dcb43ecc | 1724 | return 0; |
wim | 34:e5a0dcb43ecc | 1725 | } |
wim | 34:e5a0dcb43ecc | 1726 | #endif |
wim | 34:e5a0dcb43ecc | 1727 | |
wim | 34:e5a0dcb43ecc | 1728 | |
wim | 17:652ab113bc2e | 1729 | // Write a nibble using the 4-bit interface |
wim | 21:9eb628d9e164 | 1730 | void TextLCD_Base::_writeNibble(int value) { |
wim | 17:652ab113bc2e | 1731 | |
wim | 17:652ab113bc2e | 1732 | // Enable is Low |
wim | 21:9eb628d9e164 | 1733 | this->_setEnable(true); |
wim | 38:cbe275b0b647 | 1734 | this->_setData(value); // Low nibble of value on D4..D7 |
wim | 17:652ab113bc2e | 1735 | wait_us(1); // Data setup time |
wim | 21:9eb628d9e164 | 1736 | this->_setEnable(false); |
wim | 17:652ab113bc2e | 1737 | wait_us(1); // Datahold time |
wim | 17:652ab113bc2e | 1738 | // Enable is Low |
wim | 17:652ab113bc2e | 1739 | } |
wim | 17:652ab113bc2e | 1740 | |
wim | 16:c276b75e6585 | 1741 | // Write a byte using the 4-bit interface |
wim | 21:9eb628d9e164 | 1742 | void TextLCD_Base::_writeByte(int value) { |
wim | 15:b70ebfffb258 | 1743 | |
wim | 15:b70ebfffb258 | 1744 | // Enable is Low |
wim | 21:9eb628d9e164 | 1745 | this->_setEnable(true); |
wim | 21:9eb628d9e164 | 1746 | this->_setData(value >> 4); // High nibble |
wim | 15:b70ebfffb258 | 1747 | wait_us(1); // Data setup time |
wim | 21:9eb628d9e164 | 1748 | this->_setEnable(false); |
wim | 15:b70ebfffb258 | 1749 | wait_us(1); // Data hold time |
wim | 15:b70ebfffb258 | 1750 | |
wim | 21:9eb628d9e164 | 1751 | this->_setEnable(true); |
wim | 37:ce348c002929 | 1752 | this->_setData(value); // Low nibble |
wim | 15:b70ebfffb258 | 1753 | wait_us(1); // Data setup time |
wim | 21:9eb628d9e164 | 1754 | this->_setEnable(false); |
wim | 15:b70ebfffb258 | 1755 | wait_us(1); // Datahold time |
wim | 15:b70ebfffb258 | 1756 | |
wim | 15:b70ebfffb258 | 1757 | // Enable is Low |
simon | 1:ac48b187213c | 1758 | } |
simon | 1:ac48b187213c | 1759 | |
wim | 21:9eb628d9e164 | 1760 | // Write a command byte to the LCD controller |
wim | 21:9eb628d9e164 | 1761 | void TextLCD_Base::_writeCommand(int command) { |
wim | 15:b70ebfffb258 | 1762 | |
wim | 21:9eb628d9e164 | 1763 | this->_setRS(false); |
wim | 16:c276b75e6585 | 1764 | wait_us(1); // Data setup time for RS |
wim | 15:b70ebfffb258 | 1765 | |
wim | 21:9eb628d9e164 | 1766 | this->_writeByte(command); |
wim | 15:b70ebfffb258 | 1767 | wait_us(40); // most instructions take 40us |
simon | 1:ac48b187213c | 1768 | } |
simon | 1:ac48b187213c | 1769 | |
wim | 21:9eb628d9e164 | 1770 | // Write a data byte to the LCD controller |
wim | 21:9eb628d9e164 | 1771 | void TextLCD_Base::_writeData(int data) { |
wim | 15:b70ebfffb258 | 1772 | |
wim | 21:9eb628d9e164 | 1773 | this->_setRS(true); |
wim | 16:c276b75e6585 | 1774 | wait_us(1); // Data setup time for RS |
wim | 15:b70ebfffb258 | 1775 | |
wim | 21:9eb628d9e164 | 1776 | this->_writeByte(data); |
wim | 15:b70ebfffb258 | 1777 | wait_us(40); // data writes take 40us |
simon | 1:ac48b187213c | 1778 | } |
simon | 1:ac48b187213c | 1779 | |
wim | 8:03116f75b66e | 1780 | |
wim | 32:59c4b8f648d4 | 1781 | // This replaces the original _address() method. |
wim | 8:03116f75b66e | 1782 | // It is confusing since it returns the memoryaddress or-ed with the set memorycommand 0x80. |
wim | 8:03116f75b66e | 1783 | // Left it in here for compatibility with older code. New applications should use getAddress() instead. |
wim | 21:9eb628d9e164 | 1784 | int TextLCD_Base::_address(int column, int row) { |
wim | 8:03116f75b66e | 1785 | return 0x80 | getAddress(column, row); |
wim | 8:03116f75b66e | 1786 | } |
wim | 8:03116f75b66e | 1787 | |
wim | 30:033048611c01 | 1788 | |
wim | 30:033048611c01 | 1789 | // This is new method to return the memory address based on row, column and displaytype. |
wim | 30:033048611c01 | 1790 | // |
wim | 30:033048611c01 | 1791 | /** Return the memoryaddress of screen column and row location |
wim | 30:033048611c01 | 1792 | * |
wim | 30:033048611c01 | 1793 | * @param column The horizontal position from the left, indexed from 0 |
wim | 30:033048611c01 | 1794 | * @param row The vertical position from the top, indexed from 0 |
wim | 36:9f5f86dfd44a | 1795 | * @return The memoryaddress of screen column and row location |
wim | 30:033048611c01 | 1796 | * |
wim | 30:033048611c01 | 1797 | */ |
wim | 30:033048611c01 | 1798 | int TextLCD_Base::getAddress(int column, int row) { |
wim | 30:033048611c01 | 1799 | |
wim | 30:033048611c01 | 1800 | switch (_addr_mode) { |
wim | 30:033048611c01 | 1801 | |
wim | 30:033048611c01 | 1802 | case LCD_T_A: |
wim | 30:033048611c01 | 1803 | //Default addressing mode for 1, 2 and 4 rows (except 40x4) |
wim | 30:033048611c01 | 1804 | //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 | 1805 | //Displays top rows when less than four are used. |
wim | 30:033048611c01 | 1806 | switch (row) { |
wim | 30:033048611c01 | 1807 | case 0: |
wim | 30:033048611c01 | 1808 | return 0x00 + column; |
wim | 30:033048611c01 | 1809 | case 1: |
wim | 30:033048611c01 | 1810 | return 0x40 + column; |
wim | 30:033048611c01 | 1811 | case 2: |
wim | 30:033048611c01 | 1812 | return 0x00 + _nr_cols + column; |
wim | 30:033048611c01 | 1813 | case 3: |
wim | 30:033048611c01 | 1814 | return 0x40 + _nr_cols + column; |
wim | 30:033048611c01 | 1815 | // Should never get here. |
wim | 39:e9c2319de9c5 | 1816 | // default: |
wim | 39:e9c2319de9c5 | 1817 | // return 0x00; |
wim | 30:033048611c01 | 1818 | } |
wim | 30:033048611c01 | 1819 | |
wim | 30:033048611c01 | 1820 | case LCD_T_B: |
wim | 30:033048611c01 | 1821 | // LCD8x2B is a special layout of LCD16x1 |
wim | 30:033048611c01 | 1822 | if (row==0) |
wim | 30:033048611c01 | 1823 | return 0x00 + column; |
wim | 30:033048611c01 | 1824 | else |
wim | 30:033048611c01 | 1825 | // return _nr_cols + column; |
wim | 30:033048611c01 | 1826 | return 0x08 + column; |
wim | 30:033048611c01 | 1827 | |
wim | 30:033048611c01 | 1828 | case LCD_T_C: |
wim | 30:033048611c01 | 1829 | // LCD16x1C is a special layout of LCD8x2 |
wim | 33:900a94bc7585 | 1830 | // LCD32x1C is a special layout of LCD16x2 |
wim | 33:900a94bc7585 | 1831 | // LCD40x1C is a special layout of LCD20x2 |
wim | 33:900a94bc7585 | 1832 | #if(0) |
wim | 32:59c4b8f648d4 | 1833 | if (column < 8) |
wim | 30:033048611c01 | 1834 | return 0x00 + column; |
wim | 30:033048611c01 | 1835 | else |
wim | 30:033048611c01 | 1836 | return 0x40 + (column - 8); |
wim | 32:59c4b8f648d4 | 1837 | #else |
wim | 32:59c4b8f648d4 | 1838 | if (column < (_nr_cols >> 1)) |
wim | 32:59c4b8f648d4 | 1839 | return 0x00 + column; |
wim | 32:59c4b8f648d4 | 1840 | else |
wim | 32:59c4b8f648d4 | 1841 | return 0x40 + (column - (_nr_cols >> 1)); |
wim | 32:59c4b8f648d4 | 1842 | #endif |
wim | 30:033048611c01 | 1843 | |
wim | 30:033048611c01 | 1844 | case LCD_T_D: |
wim | 36:9f5f86dfd44a | 1845 | //Alternate addressing mode for 3 and 4 row displays (except 40x4). Used by PCF21XX, KS0073, KS0078, SSD1803 |
wim | 30:033048611c01 | 1846 | //The 4 available rows start at a hardcoded address. |
wim | 30:033048611c01 | 1847 | //Displays top rows when less than four are used. |
wim | 30:033048611c01 | 1848 | switch (row) { |
wim | 30:033048611c01 | 1849 | case 0: |
wim | 30:033048611c01 | 1850 | return 0x00 + column; |
wim | 30:033048611c01 | 1851 | case 1: |
wim | 30:033048611c01 | 1852 | return 0x20 + column; |
wim | 30:033048611c01 | 1853 | case 2: |
wim | 30:033048611c01 | 1854 | return 0x40 + column; |
wim | 30:033048611c01 | 1855 | case 3: |
wim | 30:033048611c01 | 1856 | return 0x60 + column; |
wim | 30:033048611c01 | 1857 | // Should never get here. |
wim | 39:e9c2319de9c5 | 1858 | // default: |
wim | 39:e9c2319de9c5 | 1859 | // return 0x00; |
wim | 30:033048611c01 | 1860 | } |
wim | 30:033048611c01 | 1861 | |
wim | 30:033048611c01 | 1862 | case LCD_T_D1: |
wim | 36:9f5f86dfd44a | 1863 | //Alternate addressing mode for 3 row displays. Used by PCF21XX, KS0073, KS0078, SSD1803 |
wim | 30:033048611c01 | 1864 | //The 4 available rows start at a hardcoded address. |
wim | 30:033048611c01 | 1865 | //Skips top row of 4 row display and starts display at row 1 |
wim | 30:033048611c01 | 1866 | switch (row) { |
wim | 30:033048611c01 | 1867 | case 0: |
wim | 30:033048611c01 | 1868 | return 0x20 + column; |
wim | 30:033048611c01 | 1869 | case 1: |
wim | 30:033048611c01 | 1870 | return 0x40 + column; |
wim | 30:033048611c01 | 1871 | case 2: |
wim | 30:033048611c01 | 1872 | return 0x60 + column; |
wim | 30:033048611c01 | 1873 | // Should never get here. |
wim | 39:e9c2319de9c5 | 1874 | // default: |
wim | 39:e9c2319de9c5 | 1875 | // return 0x00; |
wim | 30:033048611c01 | 1876 | } |
wim | 30:033048611c01 | 1877 | |
wim | 30:033048611c01 | 1878 | case LCD_T_E: |
wim | 30:033048611c01 | 1879 | // LCD40x4 is a special case since it has 2 controllers. |
wim | 30:033048611c01 | 1880 | // Each controller is configured as 40x2 (Type A) |
wim | 30:033048611c01 | 1881 | if (row<2) { |
wim | 30:033048611c01 | 1882 | // Test to see if we need to switch between controllers |
wim | 30:033048611c01 | 1883 | if (_ctrl_idx != _LCDCtrl_0) { |
wim | 30:033048611c01 | 1884 | |
wim | 30:033048611c01 | 1885 | // Second LCD controller Cursor Off |
wim | 30:033048611c01 | 1886 | _setCursorAndDisplayMode(_currentMode, CurOff_BlkOff); |
wim | 30:033048611c01 | 1887 | |
wim | 30:033048611c01 | 1888 | // Select primary controller |
wim | 30:033048611c01 | 1889 | _ctrl_idx = _LCDCtrl_0; |
wim | 30:033048611c01 | 1890 | |
wim | 30:033048611c01 | 1891 | // Restore cursormode on primary LCD controller |
wim | 30:033048611c01 | 1892 | _setCursorAndDisplayMode(_currentMode, _currentCursor); |
wim | 30:033048611c01 | 1893 | } |
wim | 30:033048611c01 | 1894 | |
wim | 30:033048611c01 | 1895 | return 0x00 + (row * 0x40) + column; |
wim | 30:033048611c01 | 1896 | } |
wim | 30:033048611c01 | 1897 | else { |
wim | 30:033048611c01 | 1898 | |
wim | 30:033048611c01 | 1899 | // Test to see if we need to switch between controllers |
wim | 30:033048611c01 | 1900 | if (_ctrl_idx != _LCDCtrl_1) { |
wim | 30:033048611c01 | 1901 | // Primary LCD controller Cursor Off |
wim | 30:033048611c01 | 1902 | _setCursorAndDisplayMode(_currentMode, CurOff_BlkOff); |
wim | 30:033048611c01 | 1903 | |
wim | 30:033048611c01 | 1904 | // Select secondary controller |
wim | 30:033048611c01 | 1905 | _ctrl_idx = _LCDCtrl_1; |
wim | 30:033048611c01 | 1906 | |
wim | 30:033048611c01 | 1907 | // Restore cursormode on secondary LCD controller |
wim | 30:033048611c01 | 1908 | _setCursorAndDisplayMode(_currentMode, _currentCursor); |
wim | 30:033048611c01 | 1909 | } |
wim | 30:033048611c01 | 1910 | |
wim | 30:033048611c01 | 1911 | return 0x00 + ((row-2) * 0x40) + column; |
wim | 30:033048611c01 | 1912 | } |
wim | 30:033048611c01 | 1913 | |
wim | 32:59c4b8f648d4 | 1914 | case LCD_T_F: |
wim | 32:59c4b8f648d4 | 1915 | //Alternate addressing mode for 3 row displays. |
wim | 32:59c4b8f648d4 | 1916 | //The first half of 3rd row continues from 1st row, the second half continues from 2nd row. |
wim | 32:59c4b8f648d4 | 1917 | switch (row) { |
wim | 32:59c4b8f648d4 | 1918 | case 0: |
wim | 32:59c4b8f648d4 | 1919 | return 0x00 + column; |
wim | 32:59c4b8f648d4 | 1920 | case 1: |
wim | 32:59c4b8f648d4 | 1921 | return 0x40 + column; |
wim | 32:59c4b8f648d4 | 1922 | case 2: |
wim | 32:59c4b8f648d4 | 1923 | if (column < (_nr_cols >> 1)) // check first or second half of line |
wim | 32:59c4b8f648d4 | 1924 | return (0x00 + _nr_cols + column); |
wim | 32:59c4b8f648d4 | 1925 | else |
wim | 32:59c4b8f648d4 | 1926 | return (0x40 + _nr_cols + (column - (_nr_cols >> 1))); |
wim | 32:59c4b8f648d4 | 1927 | // Should never get here. |
wim | 39:e9c2319de9c5 | 1928 | // default: |
wim | 39:e9c2319de9c5 | 1929 | // return 0x00; |
wim | 32:59c4b8f648d4 | 1930 | } |
wim | 32:59c4b8f648d4 | 1931 | |
wim | 32:59c4b8f648d4 | 1932 | case LCD_T_G: |
wim | 32:59c4b8f648d4 | 1933 | //Alternate addressing mode for 3 row displays. Used by ST7036 |
wim | 32:59c4b8f648d4 | 1934 | switch (row) { |
wim | 32:59c4b8f648d4 | 1935 | case 0: |
wim | 32:59c4b8f648d4 | 1936 | return 0x00 + column; |
wim | 32:59c4b8f648d4 | 1937 | case 1: |
wim | 32:59c4b8f648d4 | 1938 | return 0x10 + column; |
wim | 32:59c4b8f648d4 | 1939 | case 2: |
wim | 32:59c4b8f648d4 | 1940 | return 0x20 + column; |
wim | 32:59c4b8f648d4 | 1941 | // Should never get here. |
wim | 39:e9c2319de9c5 | 1942 | // default: |
wim | 39:e9c2319de9c5 | 1943 | // return 0x00; |
wim | 32:59c4b8f648d4 | 1944 | } |
wim | 32:59c4b8f648d4 | 1945 | |
wim | 30:033048611c01 | 1946 | // Should never get here. |
wim | 30:033048611c01 | 1947 | default: |
wim | 30:033048611c01 | 1948 | return 0x00; |
wim | 32:59c4b8f648d4 | 1949 | |
wim | 32:59c4b8f648d4 | 1950 | } // switch _addr_mode |
wim | 30:033048611c01 | 1951 | } |
wim | 30:033048611c01 | 1952 | |
wim | 30:033048611c01 | 1953 | |
wim | 29:a3663151aa65 | 1954 | /** Set the memoryaddress of screen column and row location |
wim | 29:a3663151aa65 | 1955 | * |
wim | 29:a3663151aa65 | 1956 | * @param column The horizontal position from the left, indexed from 0 |
wim | 29:a3663151aa65 | 1957 | * @param row The vertical position from the top, indexed from 0 |
wim | 29:a3663151aa65 | 1958 | */ |
wim | 21:9eb628d9e164 | 1959 | void TextLCD_Base::setAddress(int column, int row) { |
wim | 15:b70ebfffb258 | 1960 | |
wim | 15:b70ebfffb258 | 1961 | // Sanity Check column |
wim | 15:b70ebfffb258 | 1962 | if (column < 0) { |
wim | 15:b70ebfffb258 | 1963 | _column = 0; |
wim | 15:b70ebfffb258 | 1964 | } |
wim | 36:9f5f86dfd44a | 1965 | else if (column >= _nr_cols) { |
wim | 36:9f5f86dfd44a | 1966 | _column = _nr_cols - 1; |
wim | 15:b70ebfffb258 | 1967 | } else _column = column; |
wim | 8:03116f75b66e | 1968 | |
wim | 15:b70ebfffb258 | 1969 | // Sanity Check row |
wim | 15:b70ebfffb258 | 1970 | if (row < 0) { |
wim | 15:b70ebfffb258 | 1971 | _row = 0; |
wim | 15:b70ebfffb258 | 1972 | } |
wim | 36:9f5f86dfd44a | 1973 | else if (row >= _nr_rows) { |
wim | 36:9f5f86dfd44a | 1974 | _row = _nr_rows - 1; |
wim | 15:b70ebfffb258 | 1975 | } else _row = row; |
wim | 15:b70ebfffb258 | 1976 | |
wim | 15:b70ebfffb258 | 1977 | |
wim | 15:b70ebfffb258 | 1978 | // Compute the memory address |
wim | 15:b70ebfffb258 | 1979 | // For LCD40x4: switch controllers if needed |
wim | 15:b70ebfffb258 | 1980 | // switch cursor if needed |
wim | 15:b70ebfffb258 | 1981 | int addr = getAddress(_column, _row); |
wim | 8:03116f75b66e | 1982 | |
wim | 13:24506ba22480 | 1983 | _writeCommand(0x80 | addr); |
wim | 8:03116f75b66e | 1984 | } |
simon | 1:ac48b187213c | 1985 | |
wim | 29:a3663151aa65 | 1986 | |
wim | 29:a3663151aa65 | 1987 | /** Return the number of columns |
wim | 29:a3663151aa65 | 1988 | * |
wim | 36:9f5f86dfd44a | 1989 | * @return The number of columns |
wim | 30:033048611c01 | 1990 | * |
wim | 30:033048611c01 | 1991 | * Note: some configurations are commented out because they have not yet been tested due to lack of hardware |
wim | 29:a3663151aa65 | 1992 | */ |
wim | 21:9eb628d9e164 | 1993 | int TextLCD_Base::columns() { |
wim | 30:033048611c01 | 1994 | |
wim | 30:033048611c01 | 1995 | // Columns encoded in b7..b0 |
wim | 30:033048611c01 | 1996 | //return (_type & 0xFF); |
wim | 31:ef31cd8a00d1 | 1997 | return _nr_cols; |
simon | 1:ac48b187213c | 1998 | } |
simon | 1:ac48b187213c | 1999 | |
wim | 29:a3663151aa65 | 2000 | /** Return the number of rows |
wim | 29:a3663151aa65 | 2001 | * |
wim | 36:9f5f86dfd44a | 2002 | * @return The number of rows |
wim | 30:033048611c01 | 2003 | * |
wim | 30:033048611c01 | 2004 | * Note: some configurations are commented out because they have not yet been tested due to lack of hardware |
wim | 29:a3663151aa65 | 2005 | */ |
wim | 21:9eb628d9e164 | 2006 | int TextLCD_Base::rows() { |
wim | 30:033048611c01 | 2007 | |
wim | 30:033048611c01 | 2008 | // Rows encoded in b15..b8 |
wim | 30:033048611c01 | 2009 | //return ((_type >> 8) & 0xFF); |
wim | 30:033048611c01 | 2010 | return _nr_rows; |
simon | 1:ac48b187213c | 2011 | } |
wim | 10:dd9b3a696acd | 2012 | |
wim | 29:a3663151aa65 | 2013 | /** Set the Cursormode |
wim | 29:a3663151aa65 | 2014 | * |
wim | 29:a3663151aa65 | 2015 | * @param cursorMode The Cursor mode (CurOff_BlkOff, CurOn_BlkOff, CurOff_BlkOn, CurOn_BlkOn) |
wim | 29:a3663151aa65 | 2016 | */ |
wim | 21:9eb628d9e164 | 2017 | void TextLCD_Base::setCursor(LCDCursor cursorMode) { |
wim | 15:b70ebfffb258 | 2018 | |
wim | 17:652ab113bc2e | 2019 | // Save new cursor mode, needed when 2 controllers are in use or when display is switched off/on |
wim | 17:652ab113bc2e | 2020 | _currentCursor = cursorMode; |
wim | 10:dd9b3a696acd | 2021 | |
wim | 17:652ab113bc2e | 2022 | // Configure only current LCD controller |
wim | 31:ef31cd8a00d1 | 2023 | _setCursorAndDisplayMode(_currentMode, _currentCursor); |
wim | 15:b70ebfffb258 | 2024 | } |
wim | 15:b70ebfffb258 | 2025 | |
wim | 29:a3663151aa65 | 2026 | /** Set the Displaymode |
wim | 29:a3663151aa65 | 2027 | * |
wim | 29:a3663151aa65 | 2028 | * @param displayMode The Display mode (DispOff, DispOn) |
wim | 29:a3663151aa65 | 2029 | */ |
wim | 21:9eb628d9e164 | 2030 | void TextLCD_Base::setMode(LCDMode displayMode) { |
wim | 17:652ab113bc2e | 2031 | |
wim | 17:652ab113bc2e | 2032 | // Save new displayMode, needed when 2 controllers are in use or when cursor is changed |
wim | 17:652ab113bc2e | 2033 | _currentMode = displayMode; |
wim | 41:111ca62e8a59 | 2034 | |
wim | 41:111ca62e8a59 | 2035 | #if (LCD_TWO_CTRL == 1) |
wim | 17:652ab113bc2e | 2036 | // Select and configure second LCD controller when needed |
wim | 17:652ab113bc2e | 2037 | if(_type==LCD40x4) { |
wim | 21:9eb628d9e164 | 2038 | if (_ctrl_idx==_LCDCtrl_0) { |
wim | 17:652ab113bc2e | 2039 | // Configure primary LCD controller |
wim | 17:652ab113bc2e | 2040 | _setCursorAndDisplayMode(_currentMode, _currentCursor); |
wim | 11:9ec02df863a1 | 2041 | |
wim | 17:652ab113bc2e | 2042 | // Select 2nd controller |
wim | 21:9eb628d9e164 | 2043 | _ctrl_idx=_LCDCtrl_1; |
wim | 17:652ab113bc2e | 2044 | |
wim | 17:652ab113bc2e | 2045 | // Configure secondary LCD controller |
wim | 21:9eb628d9e164 | 2046 | _setCursorAndDisplayMode(_currentMode, CurOff_BlkOff); |
wim | 11:9ec02df863a1 | 2047 | |
wim | 17:652ab113bc2e | 2048 | // Restore current controller |
wim | 21:9eb628d9e164 | 2049 | _ctrl_idx=_LCDCtrl_0; |
wim | 17:652ab113bc2e | 2050 | } |
wim | 17:652ab113bc2e | 2051 | else { |
wim | 17:652ab113bc2e | 2052 | // Select primary controller |
wim | 21:9eb628d9e164 | 2053 | _ctrl_idx=_LCDCtrl_0; |
wim | 17:652ab113bc2e | 2054 | |
wim | 17:652ab113bc2e | 2055 | // Configure primary LCD controller |
wim | 21:9eb628d9e164 | 2056 | _setCursorAndDisplayMode(_currentMode, CurOff_BlkOff); |
wim | 17:652ab113bc2e | 2057 | |
wim | 17:652ab113bc2e | 2058 | // Restore current controller |
wim | 21:9eb628d9e164 | 2059 | _ctrl_idx=_LCDCtrl_1; |
wim | 11:9ec02df863a1 | 2060 | |
wim | 17:652ab113bc2e | 2061 | // Configure secondary LCD controller |
wim | 17:652ab113bc2e | 2062 | _setCursorAndDisplayMode(_currentMode, _currentCursor); |
wim | 10:dd9b3a696acd | 2063 | } |
wim | 17:652ab113bc2e | 2064 | } |
wim | 17:652ab113bc2e | 2065 | else { |
wim | 17:652ab113bc2e | 2066 | // Configure primary LCD controller |
wim | 17:652ab113bc2e | 2067 | _setCursorAndDisplayMode(_currentMode, _currentCursor); |
wim | 30:033048611c01 | 2068 | } |
wim | 41:111ca62e8a59 | 2069 | #else |
wim | 41:111ca62e8a59 | 2070 | // Support only one LCD controller |
wim | 41:111ca62e8a59 | 2071 | _setCursorAndDisplayMode(_currentMode, _currentCursor); |
wim | 41:111ca62e8a59 | 2072 | |
wim | 41:111ca62e8a59 | 2073 | #endif |
wim | 17:652ab113bc2e | 2074 | } |
wim | 17:652ab113bc2e | 2075 | |
wim | 29:a3663151aa65 | 2076 | /** Low level method to restore the cursortype and display mode for current controller |
wim | 29:a3663151aa65 | 2077 | */ |
wim | 36:9f5f86dfd44a | 2078 | void TextLCD_Base::_setCursorAndDisplayMode(LCDMode displayMode, LCDCursor cursorType) { |
wim | 36:9f5f86dfd44a | 2079 | |
wim | 36:9f5f86dfd44a | 2080 | // Configure current LCD controller |
wim | 36:9f5f86dfd44a | 2081 | switch (_ctrl) { |
wim | 36:9f5f86dfd44a | 2082 | case ST7070: |
wim | 36:9f5f86dfd44a | 2083 | //ST7070 does not support Cursorblink. The P bit selects the font instead ! |
wim | 36:9f5f86dfd44a | 2084 | _writeCommand(0x08 | displayMode | (cursorType & 0x02)); |
wim | 36:9f5f86dfd44a | 2085 | break; |
wim | 36:9f5f86dfd44a | 2086 | default: |
wim | 36:9f5f86dfd44a | 2087 | _writeCommand(0x08 | displayMode | cursorType); |
wim | 36:9f5f86dfd44a | 2088 | break; |
wim | 36:9f5f86dfd44a | 2089 | } //switch |
wim | 10:dd9b3a696acd | 2090 | } |
wim | 10:dd9b3a696acd | 2091 | |
wim | 29:a3663151aa65 | 2092 | /** Set the Backlight mode |
wim | 29:a3663151aa65 | 2093 | * |
wim | 29:a3663151aa65 | 2094 | * @param backlightMode The Backlight mode (LightOff, LightOn) |
wim | 29:a3663151aa65 | 2095 | */ |
wim | 21:9eb628d9e164 | 2096 | void TextLCD_Base::setBacklight(LCDBacklight backlightMode) { |
wim | 20:e0da005a777f | 2097 | |
wim | 35:311be6444a39 | 2098 | #if (BACKLIGHT_INV==0) |
wim | 35:311be6444a39 | 2099 | // Positive Backlight control pin logic |
wim | 20:e0da005a777f | 2100 | if (backlightMode == LightOn) { |
wim | 35:311be6444a39 | 2101 | this->_setBL(true); |
wim | 20:e0da005a777f | 2102 | } |
wim | 20:e0da005a777f | 2103 | else { |
wim | 21:9eb628d9e164 | 2104 | this->_setBL(false); |
wim | 20:e0da005a777f | 2105 | } |
wim | 35:311be6444a39 | 2106 | #else |
wim | 35:311be6444a39 | 2107 | // Inverted Backlight control pin logic |
wim | 35:311be6444a39 | 2108 | if (backlightMode == LightOn) { |
wim | 35:311be6444a39 | 2109 | this->_setBL(false); |
wim | 35:311be6444a39 | 2110 | } |
wim | 35:311be6444a39 | 2111 | else { |
wim | 35:311be6444a39 | 2112 | this->_setBL(true); |
wim | 35:311be6444a39 | 2113 | } |
wim | 35:311be6444a39 | 2114 | #endif |
wim | 20:e0da005a777f | 2115 | } |
wim | 20:e0da005a777f | 2116 | |
wim | 29:a3663151aa65 | 2117 | /** Set User Defined Characters |
wim | 29:a3663151aa65 | 2118 | * |
wim | 34:e5a0dcb43ecc | 2119 | * @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 | 2120 | * @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 | 2121 | */ |
wim | 21:9eb628d9e164 | 2122 | void TextLCD_Base::setUDC(unsigned char c, char *udc_data) { |
wim | 41:111ca62e8a59 | 2123 | |
wim | 41:111ca62e8a59 | 2124 | #if (LCD_TWO_CTRL == 1) |
wim | 15:b70ebfffb258 | 2125 | // Select and configure second LCD controller when needed |
wim | 15:b70ebfffb258 | 2126 | if(_type==LCD40x4) { |
wim | 19:c747b9e2e7b8 | 2127 | _LCDCtrl_Idx current_ctrl_idx = _ctrl_idx; // Temp save current controller |
wim | 15:b70ebfffb258 | 2128 | |
wim | 15:b70ebfffb258 | 2129 | // Select primary controller |
wim | 21:9eb628d9e164 | 2130 | _ctrl_idx=_LCDCtrl_0; |
wim | 15:b70ebfffb258 | 2131 | |
wim | 15:b70ebfffb258 | 2132 | // Configure primary LCD controller |
wim | 15:b70ebfffb258 | 2133 | _setUDC(c, udc_data); |
wim | 15:b70ebfffb258 | 2134 | |
wim | 15:b70ebfffb258 | 2135 | // Select 2nd controller |
wim | 21:9eb628d9e164 | 2136 | _ctrl_idx=_LCDCtrl_1; |
wim | 15:b70ebfffb258 | 2137 | |
wim | 15:b70ebfffb258 | 2138 | // Configure secondary LCD controller |
wim | 15:b70ebfffb258 | 2139 | _setUDC(c, udc_data); |
wim | 11:9ec02df863a1 | 2140 | |
wim | 15:b70ebfffb258 | 2141 | // Restore current controller |
wim | 19:c747b9e2e7b8 | 2142 | _ctrl_idx=current_ctrl_idx; |
wim | 15:b70ebfffb258 | 2143 | } |
wim | 15:b70ebfffb258 | 2144 | else { |
wim | 15:b70ebfffb258 | 2145 | // Configure primary LCD controller |
wim | 15:b70ebfffb258 | 2146 | _setUDC(c, udc_data); |
wim | 34:e5a0dcb43ecc | 2147 | } |
wim | 41:111ca62e8a59 | 2148 | #else |
wim | 41:111ca62e8a59 | 2149 | // Support only one LCD controller |
wim | 41:111ca62e8a59 | 2150 | _setUDC(c, udc_data); |
wim | 41:111ca62e8a59 | 2151 | #endif |
wim | 15:b70ebfffb258 | 2152 | } |
wim | 15:b70ebfffb258 | 2153 | |
wim | 34:e5a0dcb43ecc | 2154 | /** Low level method to store user defined characters for current controller |
wim | 34:e5a0dcb43ecc | 2155 | * |
wim | 34:e5a0dcb43ecc | 2156 | * @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 | 2157 | * @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 | 2158 | */ |
wim | 34:e5a0dcb43ecc | 2159 | void TextLCD_Base::_setUDC(unsigned char c, char *udc_data) { |
wim | 34:e5a0dcb43ecc | 2160 | |
wim | 34:e5a0dcb43ecc | 2161 | switch (_ctrl) { |
wim | 34:e5a0dcb43ecc | 2162 | case PCF2103_3V3 : // Some UDCs may be used for Icons |
wim | 34:e5a0dcb43ecc | 2163 | case PCF2113_3V3 : // Some UDCs may be used for Icons |
wim | 34:e5a0dcb43ecc | 2164 | case PCF2116_3V3 : |
wim | 34:e5a0dcb43ecc | 2165 | case PCF2116_5V : |
wim | 40:d3496c3ea301 | 2166 | case PCF2119_3V3 : // Some UDCs may be used for Icons |
wim | 40:d3496c3ea301 | 2167 | case PCF2119R_3V3: // Some UDCs may be used for Icons |
wim | 34:e5a0dcb43ecc | 2168 | c = c & 0x0F; // mask down to valid range |
wim | 34:e5a0dcb43ecc | 2169 | break; |
wim | 34:e5a0dcb43ecc | 2170 | |
wim | 34:e5a0dcb43ecc | 2171 | default: |
wim | 34:e5a0dcb43ecc | 2172 | c = c & 0x07; // mask down to valid range |
wim | 34:e5a0dcb43ecc | 2173 | break; |
wim | 34:e5a0dcb43ecc | 2174 | } //switch _ctrl |
wim | 34:e5a0dcb43ecc | 2175 | |
wim | 34:e5a0dcb43ecc | 2176 | // Select DD RAM for current LCD controller |
wim | 34:e5a0dcb43ecc | 2177 | // This is needed to correctly set Bit 6 of the addresspointer for controllers that support 16 UDCs |
wim | 34:e5a0dcb43ecc | 2178 | _writeCommand(0x80 | ((c << 3) & 0x40)) ; |
wim | 34:e5a0dcb43ecc | 2179 | |
wim | 34:e5a0dcb43ecc | 2180 | // Select CG RAM for current LCD controller |
wim | 34:e5a0dcb43ecc | 2181 | _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 | 2182 | //8 sequential locations needed per UDC |
wim | 34:e5a0dcb43ecc | 2183 | // Store UDC pattern |
wim | 34:e5a0dcb43ecc | 2184 | for (int i=0; i<8; i++) { |
wim | 34:e5a0dcb43ecc | 2185 | _writeData(*udc_data++); |
wim | 34:e5a0dcb43ecc | 2186 | } |
wim | 34:e5a0dcb43ecc | 2187 | |
wim | 34:e5a0dcb43ecc | 2188 | //Select DD RAM again for current LCD controller and restore the addresspointer |
wim | 34:e5a0dcb43ecc | 2189 | int addr = getAddress(_column, _row); |
wim | 34:e5a0dcb43ecc | 2190 | _writeCommand(0x80 | addr); |
wim | 34:e5a0dcb43ecc | 2191 | } |
wim | 32:59c4b8f648d4 | 2192 | |
wim | 39:e9c2319de9c5 | 2193 | #if(LCD_BLINK == 1) |
wim | 36:9f5f86dfd44a | 2194 | /** Set UDC Blink and Icon blink |
wim | 33:900a94bc7585 | 2195 | * setUDCBlink method is supported by some compatible devices (eg SSD1803) |
wim | 33:900a94bc7585 | 2196 | * |
wim | 33:900a94bc7585 | 2197 | * @param blinkMode The Blink mode (BlinkOff, BlinkOn) |
wim | 33:900a94bc7585 | 2198 | */ |
wim | 33:900a94bc7585 | 2199 | void TextLCD_Base::setUDCBlink(LCDBlink blinkMode){ |
wim | 36:9f5f86dfd44a | 2200 | // Blinking UDCs (and icons) are enabled when a specific controlbit (BE) is set. |
wim | 36:9f5f86dfd44a | 2201 | // The blinking pixels in the UDC and icons can be controlled by setting additional bits in the UDC or icon bitpattern. |
wim | 36:9f5f86dfd44a | 2202 | // UDCs are defined by an 8 byte bitpattern. The P0..P4 form the character pattern. |
wim | 33:900a94bc7585 | 2203 | // P7 P6 P5 P4 P3 P2 P1 P0 |
wim | 33:900a94bc7585 | 2204 | // 0 B1 B0 x 0 1 1 1 0 |
wim | 33:900a94bc7585 | 2205 | // 1 B1 B0 x 1 0 0 0 1 |
wim | 33:900a94bc7585 | 2206 | // ............. |
wim | 33:900a94bc7585 | 2207 | // 7 B1 B0 x 1 0 0 0 1 |
wim | 33:900a94bc7585 | 2208 | // |
wim | 33:900a94bc7585 | 2209 | // Bit 6 and Bit 7 in the pattern will control the blinking mode when Blink is enabled through BE. |
wim | 33:900a94bc7585 | 2210 | // B1 B0 Mode |
wim | 33:900a94bc7585 | 2211 | // 0 0 No Blinking in this row of the UDC |
wim | 33:900a94bc7585 | 2212 | // 0 1 Enabled pixels in P4 will blink |
wim | 33:900a94bc7585 | 2213 | // 1 x Enabled pixels in P0..P4 will blink |
wim | 36:9f5f86dfd44a | 2214 | // |
wim | 36:9f5f86dfd44a | 2215 | // Note: the PCF2103 and PCF2113 use UDCs to set Icons |
wim | 36:9f5f86dfd44a | 2216 | // 3 x 8 rows x 5 bits = 120 bits Icons for Normal pattern (UDC 0..2) and |
wim | 36:9f5f86dfd44a | 2217 | // 3 x 8 rows x 5 bits = 120 bits Icons for Blink pattern (UDC 4..6) |
wim | 36:9f5f86dfd44a | 2218 | // Note: the PCF2119 uses UDCs to set Icons |
wim | 36:9f5f86dfd44a | 2219 | // 4 x 8 rows x 5 bits = 160 bits Icons for Normal pattern (UDC 0..3) and |
wim | 36:9f5f86dfd44a | 2220 | // 4 x 8 rows x 5 bits = 160 bits Icons for Blink pattern (UDC 4..7) |
wim | 33:900a94bc7585 | 2221 | switch (blinkMode) { |
wim | 33:900a94bc7585 | 2222 | case BlinkOn: |
wim | 36:9f5f86dfd44a | 2223 | // Controllers that support UDC/Icon Blink |
wim | 33:900a94bc7585 | 2224 | switch (_ctrl) { |
wim | 40:d3496c3ea301 | 2225 | case KS0073 : |
wim | 40:d3496c3ea301 | 2226 | case KS0078 : |
wim | 40:d3496c3ea301 | 2227 | case HD66712 : |
wim | 36:9f5f86dfd44a | 2228 | _function_1 |= 0x02; // Enable UDC/Icon Blink |
wim | 36:9f5f86dfd44a | 2229 | _writeCommand(0x20 | _function_1); // Function set 0 0 1 DL N RE(1) BE 0/LP (Ext Regs) |
wim | 33:900a94bc7585 | 2230 | |
wim | 33:900a94bc7585 | 2231 | _writeCommand(0x20 | _function); // Function set 0 0 1 DL N RE(0) DH REV (Std Regs) |
wim | 40:d3496c3ea301 | 2232 | break; // case KS0073, KS0078, HD66712 Controller |
wim | 33:900a94bc7585 | 2233 | |
wim | 33:900a94bc7585 | 2234 | case US2066_3V3 : |
wim | 33:900a94bc7585 | 2235 | case SSD1803_3V3 : |
wim | 36:9f5f86dfd44a | 2236 | _function_1 |= 0x04; // Enable UDC/Icon Blink |
wim | 33:900a94bc7585 | 2237 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 DL N BE RE(1) REV |
wim | 33:900a94bc7585 | 2238 | // Select Ext Instr Set |
wim | 33:900a94bc7585 | 2239 | |
wim | 33:900a94bc7585 | 2240 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
wim | 33:900a94bc7585 | 2241 | // Select Std Instr set, Select IS=0 |
wim | 33:900a94bc7585 | 2242 | break; // case SSD1803, US2066 |
wim | 36:9f5f86dfd44a | 2243 | |
wim | 36:9f5f86dfd44a | 2244 | case PCF2103_3V3 : |
wim | 36:9f5f86dfd44a | 2245 | case PCF2113_3V3 : |
wim | 36:9f5f86dfd44a | 2246 | case PCF2119_3V3 : |
wim | 39:e9c2319de9c5 | 2247 | case PCF2119R_3V3 : |
wim | 36:9f5f86dfd44a | 2248 | // Enable Icon Blink |
wim | 36:9f5f86dfd44a | 2249 | _writeCommand(0x20 | _function | 0x01); // Set function, Select Instr Set = 1 |
wim | 36:9f5f86dfd44a | 2250 | _writeCommand(0x08 | 0x02); // ICON Conf 0000 1, IM=0 (Char mode), IB=1 (Icon blink), 0 (Instr. Set 1) |
wim | 36:9f5f86dfd44a | 2251 | _writeCommand(0x20 | _function); // Set function, Select Instr Set = 0 |
wim | 36:9f5f86dfd44a | 2252 | |
wim | 36:9f5f86dfd44a | 2253 | break; |
wim | 33:900a94bc7585 | 2254 | |
wim | 33:900a94bc7585 | 2255 | default: |
wim | 33:900a94bc7585 | 2256 | //Unsupported feature for other controllers |
wim | 33:900a94bc7585 | 2257 | break; |
wim | 33:900a94bc7585 | 2258 | } //switch _ctrl |
wim | 33:900a94bc7585 | 2259 | |
wim | 36:9f5f86dfd44a | 2260 | break; // BlinkOn |
wim | 33:900a94bc7585 | 2261 | |
wim | 33:900a94bc7585 | 2262 | case BlinkOff: |
wim | 33:900a94bc7585 | 2263 | // Controllers that support UDC Blink |
wim | 33:900a94bc7585 | 2264 | switch (_ctrl) { |
wim | 40:d3496c3ea301 | 2265 | case KS0073 : |
wim | 40:d3496c3ea301 | 2266 | case KS0078 : |
wim | 40:d3496c3ea301 | 2267 | case HD66712: |
wim | 36:9f5f86dfd44a | 2268 | _function_1 &= ~0x02; // Disable UDC/Icon Blink |
wim | 36:9f5f86dfd44a | 2269 | _writeCommand(0x20 | _function_1); // Function set 0 0 1 DL N RE(1) BE 0/LP (Ext Regs) |
wim | 33:900a94bc7585 | 2270 | |
wim | 33:900a94bc7585 | 2271 | _writeCommand(0x20 | _function); // Function set 0 0 1 DL N RE(0) DH REV (Std Regs) |
wim | 40:d3496c3ea301 | 2272 | break; // case KS0073, KS0078, HD66712 Controller |
wim | 33:900a94bc7585 | 2273 | |
wim | 33:900a94bc7585 | 2274 | case US2066_3V3 : |
wim | 33:900a94bc7585 | 2275 | case SSD1803_3V3 : |
wim | 36:9f5f86dfd44a | 2276 | _function_1 &= ~0x04; // Disable UDC/Icon Blink |
wim | 33:900a94bc7585 | 2277 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 DL N BE RE(1) REV |
wim | 33:900a94bc7585 | 2278 | // Select Ext Instr Set |
wim | 33:900a94bc7585 | 2279 | |
wim | 33:900a94bc7585 | 2280 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
wim | 33:900a94bc7585 | 2281 | // Select Std Instr set, Select IS=0 |
wim | 33:900a94bc7585 | 2282 | break; // case SSD1803, US2066 |
wim | 36:9f5f86dfd44a | 2283 | |
wim | 36:9f5f86dfd44a | 2284 | case PCF2103_3V3 : |
wim | 39:e9c2319de9c5 | 2285 | case PCF2113_3V3 : |
wim | 39:e9c2319de9c5 | 2286 | case PCF2119_3V3 : |
wim | 39:e9c2319de9c5 | 2287 | case PCF2119R_3V3 : |
wim | 36:9f5f86dfd44a | 2288 | // Disable Icon Blink |
wim | 36:9f5f86dfd44a | 2289 | _writeCommand(0x20 | _function | 0x01); // Set function, Select Instr Set = 1 |
wim | 36:9f5f86dfd44a | 2290 | _writeCommand(0x08); // ICON Conf 0000 1, IM=0 (Char mode), IB=1 (Icon blink), 0 (Instr. Set 1) |
wim | 36:9f5f86dfd44a | 2291 | _writeCommand(0x20 | _function); // Set function, Select Instr Set = 0 |
wim | 36:9f5f86dfd44a | 2292 | |
wim | 36:9f5f86dfd44a | 2293 | break; |
wim | 33:900a94bc7585 | 2294 | |
wim | 33:900a94bc7585 | 2295 | default: |
wim | 33:900a94bc7585 | 2296 | //Unsupported feature for other controllers |
wim | 33:900a94bc7585 | 2297 | break; |
wim | 33:900a94bc7585 | 2298 | } //switch _ctrl |
wim | 33:900a94bc7585 | 2299 | |
wim | 36:9f5f86dfd44a | 2300 | break; //BlinkOff |
wim | 33:900a94bc7585 | 2301 | |
wim | 33:900a94bc7585 | 2302 | default: |
wim | 33:900a94bc7585 | 2303 | break; |
wim | 33:900a94bc7585 | 2304 | } // blinkMode |
wim | 33:900a94bc7585 | 2305 | |
wim | 33:900a94bc7585 | 2306 | } // setUDCBlink() |
wim | 39:e9c2319de9c5 | 2307 | #endif |
wim | 33:900a94bc7585 | 2308 | |
wim | 41:111ca62e8a59 | 2309 | #if(LCD_CONTRAST == 1) |
wim | 32:59c4b8f648d4 | 2310 | /** Set Contrast |
wim | 32:59c4b8f648d4 | 2311 | * setContrast method is supported by some compatible devices (eg ST7032i) that have onboard LCD voltage generation |
wim | 32:59c4b8f648d4 | 2312 | * Initial code for ST70XX imported from fork by JH1PJL |
wim | 32:59c4b8f648d4 | 2313 | * |
wim | 32:59c4b8f648d4 | 2314 | * @param unsigned char c contrast data (6 significant bits, valid range 0..63, Value 0 will disable the Vgen) |
wim | 32:59c4b8f648d4 | 2315 | * @return none |
wim | 32:59c4b8f648d4 | 2316 | */ |
wim | 32:59c4b8f648d4 | 2317 | //@TODO Add support for 40x4 dual controller |
wim | 32:59c4b8f648d4 | 2318 | void TextLCD_Base::setContrast(unsigned char c) { |
wim | 32:59c4b8f648d4 | 2319 | |
wim | 32:59c4b8f648d4 | 2320 | // Function set mode stored during Init. Make sure we dont accidentally switch between 1-line and 2-line mode! |
wim | 32:59c4b8f648d4 | 2321 | // Icon/Booster mode stored during Init. Make sure we dont accidentally change this! |
wim | 32:59c4b8f648d4 | 2322 | |
wim | 32:59c4b8f648d4 | 2323 | _contrast = c & 0x3F; // Sanity check |
wim | 32:59c4b8f648d4 | 2324 | |
wim | 33:900a94bc7585 | 2325 | switch (_ctrl) { |
wim | 32:59c4b8f648d4 | 2326 | case PCF2113_3V3 : |
wim | 39:e9c2319de9c5 | 2327 | case PCF2119_3V3 : |
wim | 39:e9c2319de9c5 | 2328 | case PCF2119R_3V3 : |
wim | 32:59c4b8f648d4 | 2329 | if (_contrast < 5) _contrast = 0; // See datasheet. Sanity check for PCF2113/PCF2119 |
wim | 32:59c4b8f648d4 | 2330 | if (_contrast > 55) _contrast = 55; |
wim | 32:59c4b8f648d4 | 2331 | |
wim | 32:59c4b8f648d4 | 2332 | _writeCommand(0x20 | _function | 0x01); // Set function, Select Instruction Set = 1 |
wim | 32:59c4b8f648d4 | 2333 | _writeCommand(0x80 | 0x00 | (_contrast & 0x3F)); // VLCD_set (Instr. Set 1) V=0, VA=contrast |
wim | 32:59c4b8f648d4 | 2334 | _writeCommand(0x80 | 0x40 | (_contrast & 0x3F)); // VLCD_set (Instr. Set 1) V=1, VB=contrast |
wim | 32:59c4b8f648d4 | 2335 | _writeCommand(0x20 | _function); // Select Instruction Set = 0 |
wim | 32:59c4b8f648d4 | 2336 | break; |
wim | 32:59c4b8f648d4 | 2337 | |
wim | 32:59c4b8f648d4 | 2338 | case ST7032_3V3 : |
wim | 32:59c4b8f648d4 | 2339 | case ST7032_5V : |
wim | 32:59c4b8f648d4 | 2340 | case ST7036_3V3 : |
wim | 32:59c4b8f648d4 | 2341 | // case ST7036_5V : |
wim | 41:111ca62e8a59 | 2342 | case SSD1803_3V3 : |
wim | 41:111ca62e8a59 | 2343 | case SPLC792A_3V3 : |
wim | 32:59c4b8f648d4 | 2344 | _writeCommand(0x20 | _function | 0x01); // Select Instruction Set = 1 |
wim | 32:59c4b8f648d4 | 2345 | _writeCommand(0x70 | (_contrast & 0x0F)); // Contrast Low bits |
wim | 32:59c4b8f648d4 | 2346 | _writeCommand(0x50 | _icon_power | ((_contrast >> 4) & 0x03)); // Contrast High bits |
wim | 32:59c4b8f648d4 | 2347 | _writeCommand(0x20 | _function); // Select Instruction Set = 0 |
wim | 32:59c4b8f648d4 | 2348 | break; |
wim | 32:59c4b8f648d4 | 2349 | |
wim | 33:900a94bc7585 | 2350 | case US2066_3V3 : |
wim | 33:900a94bc7585 | 2351 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 DL N BE RE(1) REV |
wim | 33:900a94bc7585 | 2352 | // Select Extended Instruction Set |
wim | 33:900a94bc7585 | 2353 | |
wim | 33:900a94bc7585 | 2354 | _writeCommand(0x79); // Function Select OLED: 0 1 1 1 1 0 0 1 (Ext Instr Set) |
wim | 33:900a94bc7585 | 2355 | |
wim | 33:900a94bc7585 | 2356 | _writeCommand(0x81); // Set Contrast Control: 1 0 0 0 0 0 0 1 (Ext Instr Set, OLED) |
wim | 33:900a94bc7585 | 2357 | _writeCommand((_contrast << 2) | 0x03); // Set Contrast Value: 8 bits. Use 6 bits for compatibility |
wim | 33:900a94bc7585 | 2358 | |
wim | 33:900a94bc7585 | 2359 | _writeCommand(0x78); // Function Disable OLED: 0 1 1 1 1 0 0 0 (Ext Instr Set) |
wim | 33:900a94bc7585 | 2360 | |
wim | 33:900a94bc7585 | 2361 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
wim | 33:900a94bc7585 | 2362 | // Select Std Instr set, Select IS=0 |
wim | 33:900a94bc7585 | 2363 | break; |
wim | 33:900a94bc7585 | 2364 | |
wim | 34:e5a0dcb43ecc | 2365 | //not yet tested on hardware |
wim | 32:59c4b8f648d4 | 2366 | case PT6314 : |
wim | 32:59c4b8f648d4 | 2367 | // Only 2 significant bits |
wim | 32:59c4b8f648d4 | 2368 | // 0x00 = 100% |
wim | 32:59c4b8f648d4 | 2369 | // 0x01 = 75% |
wim | 32:59c4b8f648d4 | 2370 | // 0x02 = 50% |
wim | 32:59c4b8f648d4 | 2371 | // 0x03 = 25% |
wim | 32:59c4b8f648d4 | 2372 | _writeCommand(0x20 | _function | ((~_contrast) >> 4)); // Invert and shift to use 2 MSBs |
wim | 32:59c4b8f648d4 | 2373 | break; |
wim | 32:59c4b8f648d4 | 2374 | |
wim | 32:59c4b8f648d4 | 2375 | default: |
wim | 32:59c4b8f648d4 | 2376 | //Unsupported feature for other controllers |
wim | 33:900a94bc7585 | 2377 | break; |
wim | 33:900a94bc7585 | 2378 | } // end switch |
wim | 33:900a94bc7585 | 2379 | } // end setContrast() |
wim | 41:111ca62e8a59 | 2380 | #endif |
wim | 32:59c4b8f648d4 | 2381 | |
wim | 39:e9c2319de9c5 | 2382 | #if(LCD_POWER == 1) |
wim | 32:59c4b8f648d4 | 2383 | /** Set Power |
wim | 32:59c4b8f648d4 | 2384 | * setPower method is supported by some compatible devices (eg SSD1803) that have power down modes |
wim | 32:59c4b8f648d4 | 2385 | * |
wim | 32:59c4b8f648d4 | 2386 | * @param bool powerOn Power on/off |
wim | 32:59c4b8f648d4 | 2387 | * @return none |
wim | 32:59c4b8f648d4 | 2388 | */ |
wim | 32:59c4b8f648d4 | 2389 | //@TODO Add support for 40x4 dual controller |
wim | 32:59c4b8f648d4 | 2390 | void TextLCD_Base::setPower(bool powerOn) { |
wim | 32:59c4b8f648d4 | 2391 | |
wim | 32:59c4b8f648d4 | 2392 | if (powerOn) { |
wim | 32:59c4b8f648d4 | 2393 | // Switch on |
wim | 32:59c4b8f648d4 | 2394 | setMode(DispOn); |
wim | 32:59c4b8f648d4 | 2395 | |
wim | 32:59c4b8f648d4 | 2396 | // Controllers that supports specific Power Down mode |
wim | 32:59c4b8f648d4 | 2397 | switch (_ctrl) { |
wim | 32:59c4b8f648d4 | 2398 | |
wim | 32:59c4b8f648d4 | 2399 | // case PCF2113_3V3 : |
wim | 39:e9c2319de9c5 | 2400 | // case PCF2119_3V3 : |
wim | 39:e9c2319de9c5 | 2401 | // case PCF2119R_3V3 : |
wim | 32:59c4b8f648d4 | 2402 | // case ST7032_3V3 : |
wim | 32:59c4b8f648d4 | 2403 | //@todo |
wim | 33:900a94bc7585 | 2404 | // enable Booster Bon |
wim | 33:900a94bc7585 | 2405 | |
wim | 33:900a94bc7585 | 2406 | case WS0010: |
wim | 33:900a94bc7585 | 2407 | _writeCommand(0x17); // Char mode, DC/DC on |
wim | 33:900a94bc7585 | 2408 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 33:900a94bc7585 | 2409 | break; |
wim | 33:900a94bc7585 | 2410 | |
wim | 36:9f5f86dfd44a | 2411 | case KS0073: |
wim | 33:900a94bc7585 | 2412 | case KS0078: |
wim | 32:59c4b8f648d4 | 2413 | case SSD1803_3V3 : |
wim | 32:59c4b8f648d4 | 2414 | // case SSD1803_5V : |
wim | 33:900a94bc7585 | 2415 | _writeCommand(0x20 | _function_1); // Select Ext Instr Set |
wim | 33:900a94bc7585 | 2416 | _writeCommand(0x02); // Power On |
wim | 32:59c4b8f648d4 | 2417 | _writeCommand(0x20 | _function); // Select Std Instr Set |
wim | 32:59c4b8f648d4 | 2418 | break; |
wim | 32:59c4b8f648d4 | 2419 | |
wim | 32:59c4b8f648d4 | 2420 | default: |
wim | 32:59c4b8f648d4 | 2421 | //Unsupported feature for other controllers |
wim | 32:59c4b8f648d4 | 2422 | break; |
wim | 32:59c4b8f648d4 | 2423 | } // end switch |
wim | 32:59c4b8f648d4 | 2424 | } |
wim | 32:59c4b8f648d4 | 2425 | else { |
wim | 32:59c4b8f648d4 | 2426 | // Switch off |
wim | 32:59c4b8f648d4 | 2427 | setMode(DispOff); |
wim | 32:59c4b8f648d4 | 2428 | |
wim | 32:59c4b8f648d4 | 2429 | // Controllers that support specific Power Down mode |
wim | 32:59c4b8f648d4 | 2430 | switch (_ctrl) { |
wim | 32:59c4b8f648d4 | 2431 | |
wim | 32:59c4b8f648d4 | 2432 | // case PCF2113_3V3 : |
wim | 39:e9c2319de9c5 | 2433 | // case PCF2119_3V3 : |
wim | 39:e9c2319de9c5 | 2434 | // case PCF2119R_3V3 : |
wim | 32:59c4b8f648d4 | 2435 | // case ST7032_3V3 : |
wim | 32:59c4b8f648d4 | 2436 | //@todo |
wim | 33:900a94bc7585 | 2437 | // disable Booster Bon |
wim | 33:900a94bc7585 | 2438 | |
wim | 33:900a94bc7585 | 2439 | case WS0010: |
wim | 33:900a94bc7585 | 2440 | _writeCommand(0x13); // Char mode, DC/DC off |
wim | 33:900a94bc7585 | 2441 | break; |
wim | 33:900a94bc7585 | 2442 | |
wim | 36:9f5f86dfd44a | 2443 | case KS0073: |
wim | 33:900a94bc7585 | 2444 | case KS0078: |
wim | 32:59c4b8f648d4 | 2445 | case SSD1803_3V3 : |
wim | 32:59c4b8f648d4 | 2446 | // case SSD1803_5V : |
wim | 33:900a94bc7585 | 2447 | _writeCommand(0x20 | _function_1); // Select Ext Instr Set |
wim | 33:900a94bc7585 | 2448 | _writeCommand(0x03); // Power Down |
wim | 32:59c4b8f648d4 | 2449 | _writeCommand(0x20 | _function); // Select Std Instr Set |
wim | 32:59c4b8f648d4 | 2450 | break; |
wim | 32:59c4b8f648d4 | 2451 | |
wim | 32:59c4b8f648d4 | 2452 | default: |
wim | 32:59c4b8f648d4 | 2453 | //Unsupported feature for other controllers |
wim | 32:59c4b8f648d4 | 2454 | break; |
wim | 32:59c4b8f648d4 | 2455 | } // end switch |
wim | 32:59c4b8f648d4 | 2456 | } |
wim | 33:900a94bc7585 | 2457 | } // end setPower() |
wim | 39:e9c2319de9c5 | 2458 | #endif |
wim | 39:e9c2319de9c5 | 2459 | |
wim | 39:e9c2319de9c5 | 2460 | #if(LCD_ORIENT == 1) |
wim | 33:900a94bc7585 | 2461 | /** Set Orient |
wim | 33:900a94bc7585 | 2462 | * setOrient method is supported by some compatible devices (eg SSD1803, US2066) that have top/bottom view modes |
wim | 33:900a94bc7585 | 2463 | * |
wim | 33:900a94bc7585 | 2464 | * @param LCDOrient orient Orientation |
wim | 33:900a94bc7585 | 2465 | * @return none |
wim | 33:900a94bc7585 | 2466 | */ |
wim | 33:900a94bc7585 | 2467 | void TextLCD_Base::setOrient(LCDOrient orient){ |
wim | 33:900a94bc7585 | 2468 | |
wim | 33:900a94bc7585 | 2469 | switch (orient) { |
wim | 33:900a94bc7585 | 2470 | |
wim | 33:900a94bc7585 | 2471 | case Top: |
wim | 33:900a94bc7585 | 2472 | switch (_ctrl) { |
wim | 34:e5a0dcb43ecc | 2473 | case PCF2103_3V3: |
wim | 34:e5a0dcb43ecc | 2474 | case PCF2116_3V3: |
wim | 34:e5a0dcb43ecc | 2475 | case PCF2116_5V: |
wim | 34:e5a0dcb43ecc | 2476 | _writeCommand(0x20 | _function | 0x01); // Set function, Select Instr Set = 1 |
wim | 34:e5a0dcb43ecc | 2477 | _writeCommand(0x05); // Display Conf Set 0000 0, 1, P=0, Q=1 (Instr. Set 1) |
wim | 34:e5a0dcb43ecc | 2478 | _writeCommand(0x20 | _function); // Set function, Select Instr Set = 0 |
wim | 34:e5a0dcb43ecc | 2479 | break; |
wim | 39:e9c2319de9c5 | 2480 | |
wim | 39:e9c2319de9c5 | 2481 | case PCF2119_3V3: |
wim | 39:e9c2319de9c5 | 2482 | case PCF2119R_3V3: |
wim | 39:e9c2319de9c5 | 2483 | _writeCommand(0x20 | _function | 0x01); // Set function, Select Instr Set = 1 |
wim | 39:e9c2319de9c5 | 2484 | _writeCommand(0x07); // Display Conf Set 0000 0, 1, P=1, Q=1 (Instr. Set 1) |
wim | 39:e9c2319de9c5 | 2485 | _writeCommand(0x20 | _function); // Set function, Select Instr Set = 0 |
wim | 39:e9c2319de9c5 | 2486 | break; |
wim | 34:e5a0dcb43ecc | 2487 | |
wim | 33:900a94bc7585 | 2488 | case SSD1803_3V3 : |
wim | 33:900a94bc7585 | 2489 | // case SSD1803_5V : |
wim | 33:900a94bc7585 | 2490 | case US2066_3V3 : |
wim | 33:900a94bc7585 | 2491 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV |
wim | 33:900a94bc7585 | 2492 | // Select Extended Instruction Set |
wim | 33:900a94bc7585 | 2493 | // _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 | 2494 | _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 | 2495 | |
wim | 33:900a94bc7585 | 2496 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
wim | 33:900a94bc7585 | 2497 | // Select Std Instr set, Select IS=0 |
wim | 33:900a94bc7585 | 2498 | break; |
wim | 36:9f5f86dfd44a | 2499 | |
wim | 36:9f5f86dfd44a | 2500 | case ST7070: |
wim | 36:9f5f86dfd44a | 2501 | _writeCommand(0x20 | _function | 0x04); // Set function, 0 0 1 DL, N, EXT=1, x, x (Select Instr Set = 1) |
wim | 36:9f5f86dfd44a | 2502 | |
wim | 36:9f5f86dfd44a | 2503 | _writeCommand(0x40 | 0x00); // COM/SEG directions 0 1 0 0 C1, C2, S1, S2 (Instr Set 1) |
wim | 36:9f5f86dfd44a | 2504 | // C1=1: Com1-8 -> Com8-1; C2=1: Com9-16 -> Com16-9 |
wim | 36:9f5f86dfd44a | 2505 | // S1=1: Seg1-40 -> Seg40-1; S2=1: Seg41-80 -> Seg80-41 |
wim | 36:9f5f86dfd44a | 2506 | wait_ms(5); // Wait to ensure completion or ST7070 fails to set Top/Bottom after reset.. |
wim | 36:9f5f86dfd44a | 2507 | |
wim | 36:9f5f86dfd44a | 2508 | _writeCommand(0x20 | _function); // Set function, EXT=0 (Select Instr Set = 0) |
wim | 36:9f5f86dfd44a | 2509 | |
wim | 36:9f5f86dfd44a | 2510 | break; // case ST7070 Controller |
wim | 33:900a94bc7585 | 2511 | |
wim | 33:900a94bc7585 | 2512 | default: |
wim | 33:900a94bc7585 | 2513 | //Unsupported feature for other controllers |
wim | 33:900a94bc7585 | 2514 | break; |
wim | 33:900a94bc7585 | 2515 | |
wim | 33:900a94bc7585 | 2516 | } // end switch _ctrl |
wim | 33:900a94bc7585 | 2517 | break; // end Top |
wim | 33:900a94bc7585 | 2518 | |
wim | 33:900a94bc7585 | 2519 | case Bottom: |
wim | 33:900a94bc7585 | 2520 | switch (_ctrl) { |
wim | 34:e5a0dcb43ecc | 2521 | case PCF2103_3V3: |
wim | 34:e5a0dcb43ecc | 2522 | case PCF2116_3V3: |
wim | 34:e5a0dcb43ecc | 2523 | case PCF2116_5V: |
wim | 34:e5a0dcb43ecc | 2524 | _writeCommand(0x20 | _function | 0x01); // Set function, Select Instr Set = 1 |
wim | 34:e5a0dcb43ecc | 2525 | _writeCommand(0x06); // Display Conf Set 0000 0, 1, P=1, Q=0 (Instr. Set 1) |
wim | 34:e5a0dcb43ecc | 2526 | _writeCommand(0x20 | _function); // Set function, Select Instr Set = 0 |
wim | 34:e5a0dcb43ecc | 2527 | break; |
wim | 39:e9c2319de9c5 | 2528 | |
wim | 39:e9c2319de9c5 | 2529 | case PCF2119_3V3: |
wim | 39:e9c2319de9c5 | 2530 | case PCF2119R_3V3 : |
wim | 39:e9c2319de9c5 | 2531 | _writeCommand(0x20 | _function | 0x01); // Set function, Select Instr Set = 1 |
wim | 39:e9c2319de9c5 | 2532 | _writeCommand(0x04); // Display Conf Set 0000 0, 1, P=0, Q=0 (Instr. Set 1) |
wim | 39:e9c2319de9c5 | 2533 | _writeCommand(0x20 | _function); // Set function, Select Instr Set = 0 |
wim | 39:e9c2319de9c5 | 2534 | break; |
wim | 34:e5a0dcb43ecc | 2535 | |
wim | 33:900a94bc7585 | 2536 | case SSD1803_3V3 : |
wim | 33:900a94bc7585 | 2537 | // case SSD1803_5V : |
wim | 33:900a94bc7585 | 2538 | case US2066_3V3 : |
wim | 33:900a94bc7585 | 2539 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV |
wim | 33:900a94bc7585 | 2540 | // Select Extended Instruction Set |
wim | 33:900a94bc7585 | 2541 | _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 | 2542 | // _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 | 2543 | |
wim | 33:900a94bc7585 | 2544 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
wim | 33:900a94bc7585 | 2545 | // Select Std Instr set, Select IS=0 |
wim | 33:900a94bc7585 | 2546 | break; |
wim | 36:9f5f86dfd44a | 2547 | |
wim | 36:9f5f86dfd44a | 2548 | case ST7070: |
wim | 36:9f5f86dfd44a | 2549 | //Note: this does not result in correct top/bottom view. |
wim | 36:9f5f86dfd44a | 2550 | //The left and right half of each row are reversed and the addressing of both rows is also incorrect: |
wim | 36:9f5f86dfd44a | 2551 | //Top/bottomline when orientation is flipped: |
wim | 36:9f5f86dfd44a | 2552 | // 0x48...0x4F 0x40...0x47 |
wim | 36:9f5f86dfd44a | 2553 | // 0x08...0x0F 0x00...0x07 |
wim | 36:9f5f86dfd44a | 2554 | _writeCommand(0x20 | _function | 0x04); // Set function, 0 0 1 DL N EXT=1 x x (Select Instr Set = 1) |
wim | 36:9f5f86dfd44a | 2555 | |
wim | 36:9f5f86dfd44a | 2556 | _writeCommand(0x40 | 0x0F); // COM/SEG directions 0 1 0 0 C1, C2, S1, S2 (Instr Set 1) |
wim | 36:9f5f86dfd44a | 2557 | // C1=1: Com1-8 -> Com8-1; C2=1: Com9-16 -> Com16-9 |
wim | 36:9f5f86dfd44a | 2558 | // S1=1: Seg1-40 -> Seg40-1; S2=1: Seg41-80 -> Seg80-41 |
wim | 36:9f5f86dfd44a | 2559 | wait_ms(5); // Wait to ensure completion or ST7070 fails to set Top/Bottom after reset.. |
wim | 36:9f5f86dfd44a | 2560 | |
wim | 36:9f5f86dfd44a | 2561 | _writeCommand(0x20 | _function); // Set function, EXT=0 (Select Instr Set = 0) |
wim | 36:9f5f86dfd44a | 2562 | |
wim | 36:9f5f86dfd44a | 2563 | break; // case ST7070 Controller |
wim | 33:900a94bc7585 | 2564 | |
wim | 33:900a94bc7585 | 2565 | default: |
wim | 33:900a94bc7585 | 2566 | //Unsupported feature for other controllers |
wim | 33:900a94bc7585 | 2567 | break; |
wim | 33:900a94bc7585 | 2568 | |
wim | 33:900a94bc7585 | 2569 | } // end switch _ctrl |
wim | 33:900a94bc7585 | 2570 | |
wim | 33:900a94bc7585 | 2571 | break; // end Bottom |
wim | 33:900a94bc7585 | 2572 | } // end switch orient |
wim | 33:900a94bc7585 | 2573 | } // end setOrient() |
wim | 39:e9c2319de9c5 | 2574 | #endif |
wim | 39:e9c2319de9c5 | 2575 | |
wim | 39:e9c2319de9c5 | 2576 | #if(LCD_BIGFONT == 1) |
wim | 34:e5a0dcb43ecc | 2577 | /** Set Big Font |
wim | 34:e5a0dcb43ecc | 2578 | * setBigFont method is supported by some compatible devices (eg SSD1803, US2066) |
wim | 34:e5a0dcb43ecc | 2579 | * |
wim | 34:e5a0dcb43ecc | 2580 | * @param lines The selected Big Font lines (None, TopLine, CenterLine, BottomLine, TopBottomLine) |
wim | 34:e5a0dcb43ecc | 2581 | * Double height characters can be shown on lines 1+2, 2+3, 3+4 or 1+2 and 3+4 |
wim | 34:e5a0dcb43ecc | 2582 | * Valid double height lines depend on the LCDs number of rows. |
wim | 34:e5a0dcb43ecc | 2583 | */ |
wim | 34:e5a0dcb43ecc | 2584 | void TextLCD_Base::setBigFont(LCDBigFont lines) { |
wim | 34:e5a0dcb43ecc | 2585 | |
wim | 34:e5a0dcb43ecc | 2586 | switch (lines) { |
wim | 34:e5a0dcb43ecc | 2587 | case None: |
wim | 34:e5a0dcb43ecc | 2588 | switch (_ctrl) { |
wim | 34:e5a0dcb43ecc | 2589 | case SSD1803_3V3 : |
wim | 34:e5a0dcb43ecc | 2590 | case US2066_3V3 : |
wim | 34:e5a0dcb43ecc | 2591 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV |
wim | 34:e5a0dcb43ecc | 2592 | // Select Extended Instruction Set |
wim | 34:e5a0dcb43ecc | 2593 | _writeCommand(0x1C); // Double Height, 0 0 0 1 UD2=1, UD1=1, X, DH'=0 (Ext Instr Set) |
wim | 34:e5a0dcb43ecc | 2594 | // Default |
wim | 34:e5a0dcb43ecc | 2595 | _function = _function & ~0x04; // Set function, 0 0 1 DL N DH=0 RE(0) IS=0 Select Instruction Set 0 |
wim | 34:e5a0dcb43ecc | 2596 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
wim | 34:e5a0dcb43ecc | 2597 | // Select Std Instr set, Select IS=0 |
wim | 34:e5a0dcb43ecc | 2598 | break; // end US2066 |
wim | 34:e5a0dcb43ecc | 2599 | |
wim | 34:e5a0dcb43ecc | 2600 | default: |
wim | 34:e5a0dcb43ecc | 2601 | break; // end default |
wim | 34:e5a0dcb43ecc | 2602 | } // end switch _ctrl |
wim | 34:e5a0dcb43ecc | 2603 | break; // end None |
wim | 34:e5a0dcb43ecc | 2604 | |
wim | 34:e5a0dcb43ecc | 2605 | case TopLine: |
wim | 34:e5a0dcb43ecc | 2606 | if (_nr_rows < 2) return; //Sanity check |
wim | 34:e5a0dcb43ecc | 2607 | |
wim | 34:e5a0dcb43ecc | 2608 | switch (_ctrl) { |
wim | 34:e5a0dcb43ecc | 2609 | case SSD1803_3V3 : |
wim | 34:e5a0dcb43ecc | 2610 | case US2066_3V3 : |
wim | 34:e5a0dcb43ecc | 2611 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV |
wim | 34:e5a0dcb43ecc | 2612 | // Select Extended Instruction Set |
wim | 34:e5a0dcb43ecc | 2613 | _writeCommand(0x1C); // Double Height, 0 0 0 1 UD2=1, UD1=1, X, DH'=0 (Ext Instr Set) |
wim | 34:e5a0dcb43ecc | 2614 | // Default |
wim | 34:e5a0dcb43ecc | 2615 | _function = _function | 0x04; // Set function, 0 0 1 DL N DH=1 RE(0) IS=0 Select Instruction Set 0 |
wim | 34:e5a0dcb43ecc | 2616 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
wim | 34:e5a0dcb43ecc | 2617 | // Select Std Instr set, Select IS=0 |
wim | 34:e5a0dcb43ecc | 2618 | break; // end US2066, SSD1803 |
wim | 34:e5a0dcb43ecc | 2619 | |
wim | 34:e5a0dcb43ecc | 2620 | default: |
wim | 34:e5a0dcb43ecc | 2621 | break; // end default |
wim | 34:e5a0dcb43ecc | 2622 | } // end switch _ctrl |
wim | 34:e5a0dcb43ecc | 2623 | break; // end TopLine |
wim | 34:e5a0dcb43ecc | 2624 | |
wim | 34:e5a0dcb43ecc | 2625 | case CenterLine: |
wim | 34:e5a0dcb43ecc | 2626 | if (_nr_rows != 4) return; //Sanity check |
wim | 34:e5a0dcb43ecc | 2627 | |
wim | 34:e5a0dcb43ecc | 2628 | switch (_ctrl) { |
wim | 34:e5a0dcb43ecc | 2629 | case SSD1803_3V3 : |
wim | 34:e5a0dcb43ecc | 2630 | case US2066_3V3 : |
wim | 34:e5a0dcb43ecc | 2631 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV |
wim | 34:e5a0dcb43ecc | 2632 | // Select Extended Instruction Set |
wim | 34:e5a0dcb43ecc | 2633 | _writeCommand(0x14); // Double Height, 0 0 0 1 UD2=0, UD1=1, X, DH'=0 (Ext Instr Set) |
wim | 34:e5a0dcb43ecc | 2634 | // Default |
wim | 34:e5a0dcb43ecc | 2635 | _function = _function | 0x04; // Set function, 0 0 1 DL N DH=1 RE(0) IS=0 Select Instruction Set 0 |
wim | 34:e5a0dcb43ecc | 2636 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
wim | 34:e5a0dcb43ecc | 2637 | // Select Std Instr set, Select IS=0 |
wim | 34:e5a0dcb43ecc | 2638 | break; // end US2066, SSD1803 |
wim | 34:e5a0dcb43ecc | 2639 | |
wim | 34:e5a0dcb43ecc | 2640 | default: |
wim | 34:e5a0dcb43ecc | 2641 | break; // end default |
wim | 34:e5a0dcb43ecc | 2642 | } // end switch _ctrl |
wim | 34:e5a0dcb43ecc | 2643 | break; // end CenterLine |
wim | 34:e5a0dcb43ecc | 2644 | |
wim | 34:e5a0dcb43ecc | 2645 | case BottomLine: |
wim | 34:e5a0dcb43ecc | 2646 | if (_nr_rows < 3) return; //Sanity check |
wim | 34:e5a0dcb43ecc | 2647 | |
wim | 34:e5a0dcb43ecc | 2648 | switch (_ctrl) { |
wim | 34:e5a0dcb43ecc | 2649 | case SSD1803_3V3 : |
wim | 34:e5a0dcb43ecc | 2650 | case US2066_3V3 : |
wim | 34:e5a0dcb43ecc | 2651 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV |
wim | 34:e5a0dcb43ecc | 2652 | // Select Extended Instruction Set |
wim | 34:e5a0dcb43ecc | 2653 | if (_nr_rows == 3) { |
wim | 34:e5a0dcb43ecc | 2654 | _writeCommand(0x14); // Double Height, 0 0 0 1 UD2=0, UD1=1, X, DH'=0 (Ext Instr Set) |
wim | 34:e5a0dcb43ecc | 2655 | } |
wim | 34:e5a0dcb43ecc | 2656 | else { |
wim | 34:e5a0dcb43ecc | 2657 | _writeCommand(0x10); // Double Height, 0 0 0 1 UD2=0, UD1=0, X, DH'=0 (Ext Instr Set) |
wim | 34:e5a0dcb43ecc | 2658 | } |
wim | 34:e5a0dcb43ecc | 2659 | _function = _function | 0x04; // Set function, 0 0 1 DL N DH=1 RE(0) IS=0 Select Instruction Set 0 |
wim | 34:e5a0dcb43ecc | 2660 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
wim | 34:e5a0dcb43ecc | 2661 | // Select Std Instr set, Select IS=0 |
wim | 34:e5a0dcb43ecc | 2662 | break; // end US2066, SSD1803 |
wim | 34:e5a0dcb43ecc | 2663 | |
wim | 34:e5a0dcb43ecc | 2664 | default: |
wim | 34:e5a0dcb43ecc | 2665 | break; // end default |
wim | 34:e5a0dcb43ecc | 2666 | } // end switch _ctrl |
wim | 34:e5a0dcb43ecc | 2667 | break; // end BottomLine |
wim | 34:e5a0dcb43ecc | 2668 | |
wim | 34:e5a0dcb43ecc | 2669 | case TopBottomLine: |
wim | 34:e5a0dcb43ecc | 2670 | if (_nr_rows != 4) return; //Sanity check |
wim | 34:e5a0dcb43ecc | 2671 | |
wim | 34:e5a0dcb43ecc | 2672 | switch (_ctrl) { |
wim | 34:e5a0dcb43ecc | 2673 | case SSD1803_3V3 : |
wim | 34:e5a0dcb43ecc | 2674 | case US2066_3V3 : |
wim | 34:e5a0dcb43ecc | 2675 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV |
wim | 34:e5a0dcb43ecc | 2676 | // Select Extended Instruction Set |
wim | 34:e5a0dcb43ecc | 2677 | _writeCommand(0x18); // Double Height, 0 0 0 1 UD2=1, UD1=0, X, DH'=0 (Ext Instr Set) |
wim | 34:e5a0dcb43ecc | 2678 | // Default |
wim | 34:e5a0dcb43ecc | 2679 | _function = _function | 0x04; // Set function, 0 0 1 DL N DH=1 RE(0) IS=0 Select Instruction Set 0 |
wim | 34:e5a0dcb43ecc | 2680 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
wim | 34:e5a0dcb43ecc | 2681 | // Select Std Instr set, Select IS=0 |
wim | 34:e5a0dcb43ecc | 2682 | break; // end US2066, SSD1803 |
wim | 34:e5a0dcb43ecc | 2683 | |
wim | 34:e5a0dcb43ecc | 2684 | default: |
wim | 34:e5a0dcb43ecc | 2685 | break; // end default |
wim | 34:e5a0dcb43ecc | 2686 | } // end switch _ctrl |
wim | 34:e5a0dcb43ecc | 2687 | break; // end TopBottomLine |
wim | 34:e5a0dcb43ecc | 2688 | |
wim | 34:e5a0dcb43ecc | 2689 | } // end switch lines |
wim | 34:e5a0dcb43ecc | 2690 | |
wim | 34:e5a0dcb43ecc | 2691 | } // end setBigFont() |
wim | 39:e9c2319de9c5 | 2692 | #endif |
wim | 39:e9c2319de9c5 | 2693 | |
wim | 41:111ca62e8a59 | 2694 | |
wim | 41:111ca62e8a59 | 2695 | #if (LCD_FONTSEL == 1) |
wim | 41:111ca62e8a59 | 2696 | /** Set Font |
wim | 41:111ca62e8a59 | 2697 | * setFont method is supported by some compatible devices (eg SSD1803, US2066, ST7070) |
wim | 41:111ca62e8a59 | 2698 | * |
wim | 41:111ca62e8a59 | 2699 | * @param LCDFont font The selected Font |
wim | 41:111ca62e8a59 | 2700 | * @return none |
wim | 41:111ca62e8a59 | 2701 | * |
wim | 41:111ca62e8a59 | 2702 | * Note: most controllers support only one font and the hardware specific |
wim | 41:111ca62e8a59 | 2703 | * fonttable is encoded as part of the controller type number (eg PCF21XXC or PCF21XXR). |
wim | 41:111ca62e8a59 | 2704 | * Some controllers support multiple tables that can only be selected by logic levels on a few pins. |
wim | 41:111ca62e8a59 | 2705 | * Some controllers also support runtime fontable switching through a specific instruction |
wim | 41:111ca62e8a59 | 2706 | */ |
wim | 41:111ca62e8a59 | 2707 | void TextLCD_Base::setFont(LCDFont font) { |
wim | 41:111ca62e8a59 | 2708 | |
wim | 41:111ca62e8a59 | 2709 | switch (font) { |
wim | 41:111ca62e8a59 | 2710 | case Font_RA: // UK/EU |
wim | 41:111ca62e8a59 | 2711 | switch (_ctrl) { |
wim | 41:111ca62e8a59 | 2712 | case SSD1803_3V3 : |
wim | 41:111ca62e8a59 | 2713 | case US2066_3V3 : |
wim | 41:111ca62e8a59 | 2714 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV |
wim | 41:111ca62e8a59 | 2715 | // Select Extended Instruction Set |
wim | 41:111ca62e8a59 | 2716 | _writeCommand(0x72); // ROM Select command, 0 1 1 1 0 0 1 0 (Ext Instr Set) |
wim | 41:111ca62e8a59 | 2717 | _writeData(0x00); // ROM_0 Select data, 0 0 0 0 ROM2 ROM1 0 0 (Ext Instr Set) |
wim | 41:111ca62e8a59 | 2718 | |
wim | 41:111ca62e8a59 | 2719 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS (Std Instr Set) |
wim | 41:111ca62e8a59 | 2720 | |
wim | 41:111ca62e8a59 | 2721 | _font = font; // Save active font |
wim | 41:111ca62e8a59 | 2722 | break; // end SSD1803, US2066 |
wim | 41:111ca62e8a59 | 2723 | |
wim | 41:111ca62e8a59 | 2724 | case ST7070: |
wim | 41:111ca62e8a59 | 2725 | //ST7070 does not support Cursorblink. The P bit selects the font instead ! |
wim | 41:111ca62e8a59 | 2726 | _writeCommand(0x08 | _currentMode | (_currentCursor & 0x02)); |
wim | 41:111ca62e8a59 | 2727 | |
wim | 41:111ca62e8a59 | 2728 | _font = font; // Save active font |
wim | 41:111ca62e8a59 | 2729 | break; // end ST7070 |
wim | 41:111ca62e8a59 | 2730 | |
wim | 41:111ca62e8a59 | 2731 | default: |
wim | 41:111ca62e8a59 | 2732 | break; // end default |
wim | 41:111ca62e8a59 | 2733 | } // end switch _ctrl |
wim | 41:111ca62e8a59 | 2734 | break; // end Font_RA |
wim | 41:111ca62e8a59 | 2735 | |
wim | 41:111ca62e8a59 | 2736 | case Font_RB: // UK/CYR |
wim | 41:111ca62e8a59 | 2737 | switch (_ctrl) { |
wim | 41:111ca62e8a59 | 2738 | case SSD1803_3V3 : |
wim | 41:111ca62e8a59 | 2739 | case US2066_3V3 : |
wim | 41:111ca62e8a59 | 2740 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV |
wim | 41:111ca62e8a59 | 2741 | // Select Extended Instruction Set |
wim | 41:111ca62e8a59 | 2742 | _writeCommand(0x72); // ROM Select command, 0 1 1 1 0 0 1 0 (Ext Instr Set) |
wim | 41:111ca62e8a59 | 2743 | _writeData(0x04); // ROM_0 Select data, 0 0 0 0 ROM2 ROM1 0 0 (Ext Instr Set) |
wim | 41:111ca62e8a59 | 2744 | |
wim | 41:111ca62e8a59 | 2745 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS (Std Instr Set) |
wim | 41:111ca62e8a59 | 2746 | |
wim | 41:111ca62e8a59 | 2747 | _font = font; // Save active font |
wim | 41:111ca62e8a59 | 2748 | break; // end SSD1803, US2066 |
wim | 41:111ca62e8a59 | 2749 | |
wim | 41:111ca62e8a59 | 2750 | case ST7070: |
wim | 41:111ca62e8a59 | 2751 | //ST7070 does not support Cursorblink. The P bit selects the font instead ! |
wim | 41:111ca62e8a59 | 2752 | _writeCommand(0x08 | _currentMode | (_currentCursor & 0x02) | 0x01); |
wim | 41:111ca62e8a59 | 2753 | |
wim | 41:111ca62e8a59 | 2754 | _font = font; // Save active font |
wim | 41:111ca62e8a59 | 2755 | break; // end ST7070 |
wim | 41:111ca62e8a59 | 2756 | |
wim | 41:111ca62e8a59 | 2757 | default: |
wim | 41:111ca62e8a59 | 2758 | break; // end default |
wim | 41:111ca62e8a59 | 2759 | } // end switch _ctrl |
wim | 41:111ca62e8a59 | 2760 | break; // end Font_RB |
wim | 41:111ca62e8a59 | 2761 | |
wim | 41:111ca62e8a59 | 2762 | case Font_0: //Font_O is pretty similar to ROM_C |
wim | 41:111ca62e8a59 | 2763 | case Font_RC: // UK/JAP |
wim | 41:111ca62e8a59 | 2764 | switch (_ctrl) { |
wim | 41:111ca62e8a59 | 2765 | case SSD1803_3V3 : |
wim | 41:111ca62e8a59 | 2766 | case US2066_3V3 : |
wim | 41:111ca62e8a59 | 2767 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV |
wim | 41:111ca62e8a59 | 2768 | // Select Extended Instruction Set |
wim | 41:111ca62e8a59 | 2769 | _writeCommand(0x72); // ROM Select command, 0 1 1 1 0 0 1 0 (Ext Instr Set) |
wim | 41:111ca62e8a59 | 2770 | _writeData(0x08); // ROM_0 Select data, 0 0 0 0 ROM2 ROM1 0 0 (Ext Instr Set) |
wim | 41:111ca62e8a59 | 2771 | |
wim | 41:111ca62e8a59 | 2772 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS (Std Instr Set) |
wim | 41:111ca62e8a59 | 2773 | |
wim | 41:111ca62e8a59 | 2774 | _font = font; // Save active font |
wim | 41:111ca62e8a59 | 2775 | break; // end SSD1803, US2066 |
wim | 41:111ca62e8a59 | 2776 | |
wim | 41:111ca62e8a59 | 2777 | default: |
wim | 41:111ca62e8a59 | 2778 | break; // end default |
wim | 41:111ca62e8a59 | 2779 | } // end switch _ctrl |
wim | 41:111ca62e8a59 | 2780 | break; // end Font_RC |
wim | 41:111ca62e8a59 | 2781 | } // end switch font |
wim | 41:111ca62e8a59 | 2782 | |
wim | 41:111ca62e8a59 | 2783 | //SSD1803 seems to screw up cursor position after selecting new font. Restore to make sure... |
wim | 41:111ca62e8a59 | 2784 | //Set next memoryaddress, make sure cursor blinks at next location |
wim | 41:111ca62e8a59 | 2785 | int addr = getAddress(_column, _row); |
wim | 41:111ca62e8a59 | 2786 | _writeCommand(0x80 | addr); |
wim | 41:111ca62e8a59 | 2787 | |
wim | 41:111ca62e8a59 | 2788 | } |
wim | 41:111ca62e8a59 | 2789 | #endif |
wim | 41:111ca62e8a59 | 2790 | |
wim | 41:111ca62e8a59 | 2791 | |
wim | 39:e9c2319de9c5 | 2792 | #if(LCD_ICON==1) |
wim | 36:9f5f86dfd44a | 2793 | /** Set Icons |
wim | 36:9f5f86dfd44a | 2794 | * |
wim | 36:9f5f86dfd44a | 2795 | * @param unsigned char idx The Index of the icon pattern (0..15) for KS0073 and similar controllers |
wim | 36:9f5f86dfd44a | 2796 | * and Index (0..31) for PCF2103 and similar controllers |
wim | 36:9f5f86dfd44a | 2797 | * @param unsigned char data The bitpattern for the icons (6 lsb for KS0073 bitpattern (5 lsb for KS0078) and 2 msb for blinkmode) |
wim | 36:9f5f86dfd44a | 2798 | * The bitpattern for the PCF2103 icons is 5 lsb (UDC 0..2) and 5 lsb for blinkmode (UDC 4..6) |
wim | 36:9f5f86dfd44a | 2799 | */ |
wim | 36:9f5f86dfd44a | 2800 | void TextLCD_Base::setIcon(unsigned char idx, unsigned char data) { |
wim | 36:9f5f86dfd44a | 2801 | // Blinking icons are enabled when a specific controlbit (BE) is set. |
wim | 36:9f5f86dfd44a | 2802 | // The blinking pixels in the icons can be controlled by setting additional bits in the icon bitpattern. |
wim | 36:9f5f86dfd44a | 2803 | // Icons are defined by a byte bitpattern. The P0..P5 form the Icon pattern for KS0073, and P0..P4 for KS0078 |
wim | 36:9f5f86dfd44a | 2804 | // P7 P6 P5 P4 P3 P2 P1 P0 |
wim | 36:9f5f86dfd44a | 2805 | // 0 B1 B0 0 0 1 1 1 0 |
wim | 36:9f5f86dfd44a | 2806 | // 1 B1 B0 1 1 0 0 0 1 |
wim | 36:9f5f86dfd44a | 2807 | // ............. |
wim | 36:9f5f86dfd44a | 2808 | // 15 B1 B0 1 1 0 0 0 1 |
wim | 36:9f5f86dfd44a | 2809 | // |
wim | 36:9f5f86dfd44a | 2810 | // Bit 6 and Bit 7 in the pattern will control the blinking mode when Blink is enabled through BE. |
wim | 36:9f5f86dfd44a | 2811 | // B1 B0 Mode |
wim | 36:9f5f86dfd44a | 2812 | // 0 0 No Blinking for this icon row |
wim | 36:9f5f86dfd44a | 2813 | // 0 1 Enabled pixels in P5 will blink |
wim | 36:9f5f86dfd44a | 2814 | // 1 x Enabled pixels in P0..P5 will blink |
wim | 36:9f5f86dfd44a | 2815 | // |
wim | 36:9f5f86dfd44a | 2816 | // Note: the PCF2103 and PCF2113 use UDCs to set Icons |
wim | 36:9f5f86dfd44a | 2817 | // 3 x 8 rows x 5 bits = 120 bits Icons for Normal pattern (UDC 0..2) and |
wim | 36:9f5f86dfd44a | 2818 | // 3 x 8 rows x 5 bits = 120 bits Icons for Blink pattern (UDC 4..6) |
wim | 36:9f5f86dfd44a | 2819 | // Note: the PCF2119 uses UDCs to set Icons |
wim | 36:9f5f86dfd44a | 2820 | // 4 x 8 rows x 5 bits = 160 bits Icons for Normal pattern (UDC 0..3) and |
wim | 36:9f5f86dfd44a | 2821 | // 4 x 8 rows x 5 bits = 160 bits Icons for Blink pattern (UDC 4..7) |
wim | 36:9f5f86dfd44a | 2822 | |
wim | 36:9f5f86dfd44a | 2823 | switch (_ctrl) { |
wim | 36:9f5f86dfd44a | 2824 | case KS0073: |
wim | 36:9f5f86dfd44a | 2825 | case KS0078: |
wim | 36:9f5f86dfd44a | 2826 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 DL N RE(1) BE LP |
wim | 36:9f5f86dfd44a | 2827 | // Select Extended Instruction Set |
wim | 36:9f5f86dfd44a | 2828 | _writeCommand(0x40 | (idx & 0x0F)); // Set Icon Address, mask Address to valid range (Ext Instr Set) |
wim | 36:9f5f86dfd44a | 2829 | |
wim | 36:9f5f86dfd44a | 2830 | _writeData(data); // Set Icon pattern (Ext Instr Set) |
wim | 36:9f5f86dfd44a | 2831 | |
wim | 36:9f5f86dfd44a | 2832 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N RE(0) DH REV Select Instruction Set 0 |
wim | 36:9f5f86dfd44a | 2833 | // Select Std Instr set, Select IS=0 |
wim | 36:9f5f86dfd44a | 2834 | break; // end KS0073, KS0078 |
wim | 36:9f5f86dfd44a | 2835 | |
wim | 36:9f5f86dfd44a | 2836 | case ST7032_3V3: |
wim | 36:9f5f86dfd44a | 2837 | case ST7032_5V: |
wim | 41:111ca62e8a59 | 2838 | case SPLC792A_3V3: |
wim | 36:9f5f86dfd44a | 2839 | _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N F 0 IS=1 Select Instr Set = 1 |
wim | 36:9f5f86dfd44a | 2840 | _writeCommand(0x40 | (idx & 0x0F)); // Set Icon Address, mask Address to valid range (Instr Set 1) |
wim | 36:9f5f86dfd44a | 2841 | |
wim | 36:9f5f86dfd44a | 2842 | _writeData(data & 0x1F); // Set Icon pattern, no blink support (Instr Set 1) |
wim | 36:9f5f86dfd44a | 2843 | |
wim | 36:9f5f86dfd44a | 2844 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N RE(0) DH REV Select Instruction Set 0 |
wim | 36:9f5f86dfd44a | 2845 | // Select Std Instr set, Select IS=0 |
wim | 36:9f5f86dfd44a | 2846 | break; // end ST7032 |
wim | 36:9f5f86dfd44a | 2847 | |
wim | 36:9f5f86dfd44a | 2848 | case ST7036_3V3: |
wim | 36:9f5f86dfd44a | 2849 | case ST7036_5V: |
wim | 36:9f5f86dfd44a | 2850 | _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N DH IS2,IS1 = 01 (Select Instr Set = 1) |
wim | 36:9f5f86dfd44a | 2851 | _writeCommand(0x40 | (idx & 0x0F)); // Set Icon Address, mask Address to valid range (Instr Set 1) |
wim | 36:9f5f86dfd44a | 2852 | |
wim | 36:9f5f86dfd44a | 2853 | _writeData(data & 0x1F); // Set Icon pattern, no blink support (Instr Set 1) |
wim | 36:9f5f86dfd44a | 2854 | |
wim | 36:9f5f86dfd44a | 2855 | _writeCommand(0x20 | _function); // Set function, IS2,IS1 = 00 (Select Instr Set = 0) |
wim | 36:9f5f86dfd44a | 2856 | // Select Std Instr set, Select IS=0 |
wim | 36:9f5f86dfd44a | 2857 | break; // end ST7036 |
wim | 36:9f5f86dfd44a | 2858 | |
wim | 36:9f5f86dfd44a | 2859 | case SSD1803_3V3: |
wim | 36:9f5f86dfd44a | 2860 | // case SSD1803_5V: |
wim | 36:9f5f86dfd44a | 2861 | _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N DH RE(0) IS |
wim | 36:9f5f86dfd44a | 2862 | // Select Instruction Set 1 |
wim | 36:9f5f86dfd44a | 2863 | _writeCommand(0x40 | (idx & 0x0F)); // Set Icon Address, mask Address to valid range (Instr Set = 1) |
wim | 36:9f5f86dfd44a | 2864 | _writeData(data); // Set Icon pattern (Instr Set = 1) |
wim | 36:9f5f86dfd44a | 2865 | |
wim | 36:9f5f86dfd44a | 2866 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS |
wim | 36:9f5f86dfd44a | 2867 | // Select IS=0 |
wim | 36:9f5f86dfd44a | 2868 | break; // end SSD1803 |
wim | 36:9f5f86dfd44a | 2869 | |
wim | 36:9f5f86dfd44a | 2870 | case PCF2103_3V3: |
wim | 36:9f5f86dfd44a | 2871 | case PCF2113_3V3: |
wim | 39:e9c2319de9c5 | 2872 | case PCF2119_3V3: |
wim | 39:e9c2319de9c5 | 2873 | case PCF2119R_3V3: |
wim | 36:9f5f86dfd44a | 2874 | // Store UDC/Icon pattern for PCF2103 and PCF2113: |
wim | 36:9f5f86dfd44a | 2875 | // 3 x 8 rows x 5 bits = 120 bits for Normal pattern (UDC 0..2) and |
wim | 36:9f5f86dfd44a | 2876 | // 3 x 8 rows x 5 bits = 120 bits for Blink pattern (UDC 4..6) |
wim | 36:9f5f86dfd44a | 2877 | // Store UDC/Icon pattern for PCF2119: |
wim | 36:9f5f86dfd44a | 2878 | // 4 x 8 rows x 5 bits = 160 bits for Normal pattern (UDC 0..3) and |
wim | 36:9f5f86dfd44a | 2879 | // 4 x 8 rows x 5 bits = 160 bits for Blink pattern (UDC 4..7) |
wim | 36:9f5f86dfd44a | 2880 | _writeCommand(0x40 | (idx & 0x3F)); //Set CG-RAM address, 8 sequential locations needed per UDC |
wim | 36:9f5f86dfd44a | 2881 | _writeData(data); // Set Icon pattern (Instr Set = 1) |
wim | 36:9f5f86dfd44a | 2882 | break; // case PCF2103_3V3 Controller |
wim | 36:9f5f86dfd44a | 2883 | |
wim | 36:9f5f86dfd44a | 2884 | default: |
wim | 36:9f5f86dfd44a | 2885 | break; // end default |
wim | 36:9f5f86dfd44a | 2886 | } // end switch _ctrl |
wim | 36:9f5f86dfd44a | 2887 | |
wim | 36:9f5f86dfd44a | 2888 | //Select DD RAM again for current LCD controller and restore the addresspointer |
wim | 36:9f5f86dfd44a | 2889 | int addr = getAddress(_column, _row); |
wim | 36:9f5f86dfd44a | 2890 | _writeCommand(0x80 | addr); |
wim | 36:9f5f86dfd44a | 2891 | |
wim | 36:9f5f86dfd44a | 2892 | } // end setIcon() |
wim | 36:9f5f86dfd44a | 2893 | |
wim | 36:9f5f86dfd44a | 2894 | /** Clear Icons |
wim | 36:9f5f86dfd44a | 2895 | * |
wim | 36:9f5f86dfd44a | 2896 | * @param none |
wim | 36:9f5f86dfd44a | 2897 | * @return none |
wim | 36:9f5f86dfd44a | 2898 | */ |
wim | 36:9f5f86dfd44a | 2899 | //@TODO Add support for 40x4 dual controller |
wim | 36:9f5f86dfd44a | 2900 | void TextLCD_Base::clrIcon() { |
wim | 36:9f5f86dfd44a | 2901 | // Icons are defined by a byte bitpattern. The P0..P5 form the Icon pattern for KS0073, and P0..P4 for KS0078 |
wim | 36:9f5f86dfd44a | 2902 | // P7 P6 P5 P4 P3 P2 P1 P0 |
wim | 36:9f5f86dfd44a | 2903 | // 0 B1 B0 0 0 0 0 0 0 |
wim | 36:9f5f86dfd44a | 2904 | // 1 B1 B0 0 0 0 0 0 0 |
wim | 36:9f5f86dfd44a | 2905 | // ............. |
wim | 36:9f5f86dfd44a | 2906 | // 15 B1 B0 0 0 0 0 0 0 |
wim | 36:9f5f86dfd44a | 2907 | // |
wim | 36:9f5f86dfd44a | 2908 | // Bit 6 and Bit 7 in the pattern will control the blinking mode when Blink is enabled through BE. |
wim | 36:9f5f86dfd44a | 2909 | // B1 B0 Mode |
wim | 36:9f5f86dfd44a | 2910 | // 0 0 No Blinking for this icon row |
wim | 36:9f5f86dfd44a | 2911 | // 0 1 Enabled pixels in P5 will blink |
wim | 36:9f5f86dfd44a | 2912 | // 1 x Enabled pixels in P0..P5 will blink |
wim | 36:9f5f86dfd44a | 2913 | // |
wim | 36:9f5f86dfd44a | 2914 | // Note: the PCF2103 and PCF2113 use UDCs to set Icons |
wim | 36:9f5f86dfd44a | 2915 | // 3 x 8 rows x 5 bits = 120 bits Icons for Normal pattern (UDC 0..2) and |
wim | 36:9f5f86dfd44a | 2916 | // 3 x 8 rows x 5 bits = 120 bits Icons for Blink pattern (UDC 4..6) |
wim | 36:9f5f86dfd44a | 2917 | // Note: the PCF2119 uses UDCs to set Icons |
wim | 36:9f5f86dfd44a | 2918 | // 4 x 8 rows x 5 bits = 160 bits Icons for Normal pattern (UDC 0..3) and |
wim | 36:9f5f86dfd44a | 2919 | // 4 x 8 rows x 5 bits = 160 bits Icons for Blink pattern (UDC 4..7) |
wim | 36:9f5f86dfd44a | 2920 | int idx; |
wim | 36:9f5f86dfd44a | 2921 | |
wim | 36:9f5f86dfd44a | 2922 | switch (_ctrl) { |
wim | 36:9f5f86dfd44a | 2923 | case KS0073: |
wim | 36:9f5f86dfd44a | 2924 | case KS0078: |
wim | 36:9f5f86dfd44a | 2925 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 DL N RE(1) BE LP |
wim | 36:9f5f86dfd44a | 2926 | // Select Extended Instruction Set |
wim | 36:9f5f86dfd44a | 2927 | for (idx=0; idx<16; idx++) { |
wim | 36:9f5f86dfd44a | 2928 | _writeCommand(0x40 | idx); // Set Icon Address, mask Address to valid range (Ext Instr Set) |
wim | 36:9f5f86dfd44a | 2929 | _writeData(0x00); // Clear Icon pattern (Ext Instr Set) |
wim | 36:9f5f86dfd44a | 2930 | } |
wim | 36:9f5f86dfd44a | 2931 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N RE(0) DH REV Select Std Instruction Set |
wim | 36:9f5f86dfd44a | 2932 | // Select Std Instr set |
wim | 36:9f5f86dfd44a | 2933 | break; // end KS0073, KS0078 |
wim | 36:9f5f86dfd44a | 2934 | |
wim | 36:9f5f86dfd44a | 2935 | case ST7032_3V3: |
wim | 36:9f5f86dfd44a | 2936 | case ST7032_5V: |
wim | 41:111ca62e8a59 | 2937 | case SPLC792A_3V3: |
wim | 36:9f5f86dfd44a | 2938 | _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N F 0 IS=1 Select Instr Set = 1 |
wim | 36:9f5f86dfd44a | 2939 | |
wim | 36:9f5f86dfd44a | 2940 | for (idx=0; idx<16; idx++) { |
wim | 36:9f5f86dfd44a | 2941 | _writeCommand(0x40 | idx); // Set Icon Address, mask Address to valid range (Instr Set 1) |
wim | 36:9f5f86dfd44a | 2942 | _writeData(0x00); // Clear Icon pattern (Instr Set 1) |
wim | 36:9f5f86dfd44a | 2943 | } |
wim | 36:9f5f86dfd44a | 2944 | |
wim | 36:9f5f86dfd44a | 2945 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N RE(0) DH REV Select Instruction Set 0 |
wim | 36:9f5f86dfd44a | 2946 | // Select Std Instr set, Select IS=0 |
wim | 36:9f5f86dfd44a | 2947 | break; // end ST7032 |
wim | 36:9f5f86dfd44a | 2948 | |
wim | 36:9f5f86dfd44a | 2949 | case ST7036_3V3: |
wim | 36:9f5f86dfd44a | 2950 | case ST7036_5V: |
wim | 36:9f5f86dfd44a | 2951 | _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N DH IS2,IS1 = 01 (Select Instr Set = 1) |
wim | 36:9f5f86dfd44a | 2952 | |
wim | 36:9f5f86dfd44a | 2953 | for (idx=0; idx<16; idx++) { |
wim | 36:9f5f86dfd44a | 2954 | _writeCommand(0x40 | idx); // Set Icon Address, mask Address to valid range (Instr Set 1) |
wim | 36:9f5f86dfd44a | 2955 | _writeData(0x00); // Clear Icon pattern (Instr Set 1) |
wim | 36:9f5f86dfd44a | 2956 | } |
wim | 36:9f5f86dfd44a | 2957 | |
wim | 36:9f5f86dfd44a | 2958 | _writeCommand(0x20 | _function); // Set function, IS2,IS1 = 00 (Select Instr Set = 0) |
wim | 36:9f5f86dfd44a | 2959 | // Select Std Instr set, Select IS=0 |
wim | 36:9f5f86dfd44a | 2960 | break; // end ST7036 |
wim | 36:9f5f86dfd44a | 2961 | |
wim | 36:9f5f86dfd44a | 2962 | case SSD1803_3V3: |
wim | 36:9f5f86dfd44a | 2963 | // case SSD1803_5V: |
wim | 36:9f5f86dfd44a | 2964 | _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N DH RE(0) IS |
wim | 36:9f5f86dfd44a | 2965 | // Select Instruction Set 1 |
wim | 36:9f5f86dfd44a | 2966 | for (idx=0; idx<16; idx++) { |
wim | 36:9f5f86dfd44a | 2967 | _writeCommand(0x40 | idx); // Set Icon Address, mask Address to valid range (Ext Instr Set) |
wim | 36:9f5f86dfd44a | 2968 | _writeData(0x00); // Clear Icon pattern (Ext Instr Set) |
wim | 36:9f5f86dfd44a | 2969 | } |
wim | 36:9f5f86dfd44a | 2970 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS |
wim | 36:9f5f86dfd44a | 2971 | // Select IS=0 |
wim | 36:9f5f86dfd44a | 2972 | break; // end SSD1803 |
wim | 36:9f5f86dfd44a | 2973 | |
wim | 36:9f5f86dfd44a | 2974 | case PCF2103_3V3: |
wim | 36:9f5f86dfd44a | 2975 | case PCF2113_3V3: |
wim | 36:9f5f86dfd44a | 2976 | // PCF2103 and PCF2113 use part of the UDC RAM to control Icons |
wim | 36:9f5f86dfd44a | 2977 | // Select CG RAM |
wim | 36:9f5f86dfd44a | 2978 | |
wim | 36:9f5f86dfd44a | 2979 | _writeCommand(0x40 | (0 * 8)); //Set CG-RAM address, 8 sequential locations needed per UDC |
wim | 36:9f5f86dfd44a | 2980 | // Store UDC/Icon pattern: |
wim | 36:9f5f86dfd44a | 2981 | // 3 x 8 rows x 5 bits = 120 bits for Normal pattern (UDC 0..2) and |
wim | 36:9f5f86dfd44a | 2982 | for (int i=0; i<(3 * 8); i++) { |
wim | 36:9f5f86dfd44a | 2983 | // _writeData(0x1F); // All On |
wim | 36:9f5f86dfd44a | 2984 | _writeData(0x00); // All Off |
wim | 36:9f5f86dfd44a | 2985 | } |
wim | 36:9f5f86dfd44a | 2986 | |
wim | 36:9f5f86dfd44a | 2987 | _writeCommand(0x40 | (4 * 8)); //Set CG-RAM address, 8 sequential locations needed per UDC |
wim | 36:9f5f86dfd44a | 2988 | // 3 x 8 rows x 5 bits = 120 bits for Blink pattern (UDC 4..6) |
wim | 36:9f5f86dfd44a | 2989 | for (int i=0; i<(3 * 8); i++) { |
wim | 36:9f5f86dfd44a | 2990 | // _writeData(0x1F); // All On |
wim | 36:9f5f86dfd44a | 2991 | _writeData(0x00); // All Off |
wim | 36:9f5f86dfd44a | 2992 | } |
wim | 36:9f5f86dfd44a | 2993 | break; // case PCF2103_3V3 Controller |
wim | 36:9f5f86dfd44a | 2994 | |
wim | 39:e9c2319de9c5 | 2995 | case PCF2119_3V3: |
wim | 39:e9c2319de9c5 | 2996 | case PCF2119R_3V3: |
wim | 36:9f5f86dfd44a | 2997 | // PCF2119 uses part of the UDC RAM to control Icons |
wim | 36:9f5f86dfd44a | 2998 | // Select CG RAM |
wim | 36:9f5f86dfd44a | 2999 | |
wim | 36:9f5f86dfd44a | 3000 | _writeCommand(0x40 | (0 * 8)); //Set CG-RAM address, 8 sequential locations needed per UDC |
wim | 36:9f5f86dfd44a | 3001 | // Store UDC/Icon pattern: |
wim | 36:9f5f86dfd44a | 3002 | // 4 x 8 rows x 5 bits = 160 bits for Normal pattern (UDC 0..3) and |
wim | 36:9f5f86dfd44a | 3003 | for (int i=0; i<(4 * 8); i++) { |
wim | 36:9f5f86dfd44a | 3004 | // _writeData(0x1F); // All On |
wim | 36:9f5f86dfd44a | 3005 | _writeData(0x00); // All Off |
wim | 36:9f5f86dfd44a | 3006 | } |
wim | 36:9f5f86dfd44a | 3007 | |
wim | 36:9f5f86dfd44a | 3008 | _writeCommand(0x40 | (4 * 8)); //Set CG-RAM address, 8 sequential locations needed per UDC |
wim | 36:9f5f86dfd44a | 3009 | // 4 x 8 rows x 5 bits = 160 bits for Blink pattern (UDC 4..7) |
wim | 36:9f5f86dfd44a | 3010 | for (int i=0; i<(4 * 8); i++) { |
wim | 36:9f5f86dfd44a | 3011 | // _writeData(0x1F); // All On |
wim | 36:9f5f86dfd44a | 3012 | _writeData(0x00); // All Off |
wim | 36:9f5f86dfd44a | 3013 | } |
wim | 36:9f5f86dfd44a | 3014 | break; // case PCF2119_3V3 Controller |
wim | 36:9f5f86dfd44a | 3015 | |
wim | 36:9f5f86dfd44a | 3016 | default: |
wim | 36:9f5f86dfd44a | 3017 | break; // end default |
wim | 36:9f5f86dfd44a | 3018 | } // end switch _ctrl |
wim | 36:9f5f86dfd44a | 3019 | |
wim | 36:9f5f86dfd44a | 3020 | //Select DD RAM again for current LCD controller and restore the addresspointer |
wim | 36:9f5f86dfd44a | 3021 | int addr = getAddress(_column, _row); |
wim | 36:9f5f86dfd44a | 3022 | _writeCommand(0x80 | addr); |
wim | 36:9f5f86dfd44a | 3023 | } //end clrIcon() |
wim | 39:e9c2319de9c5 | 3024 | #endif |
wim | 39:e9c2319de9c5 | 3025 | |
wim | 39:e9c2319de9c5 | 3026 | #if(LCD_INVERT == 1) |
wim | 36:9f5f86dfd44a | 3027 | /** Set Invert |
wim | 36:9f5f86dfd44a | 3028 | * setInvert method is supported by some compatible devices (eg KS0073) to swap between black and white |
wim | 36:9f5f86dfd44a | 3029 | * |
wim | 36:9f5f86dfd44a | 3030 | * @param bool invertOn Invert on/off |
wim | 36:9f5f86dfd44a | 3031 | * @return none |
wim | 36:9f5f86dfd44a | 3032 | */ |
wim | 36:9f5f86dfd44a | 3033 | //@TODO Add support for 40x4 dual controller |
wim | 36:9f5f86dfd44a | 3034 | void TextLCD_Base::setInvert(bool invertOn) { |
wim | 36:9f5f86dfd44a | 3035 | |
wim | 36:9f5f86dfd44a | 3036 | if (invertOn) { |
wim | 36:9f5f86dfd44a | 3037 | // Controllers that support Invert |
wim | 36:9f5f86dfd44a | 3038 | switch (_ctrl) { |
wim | 36:9f5f86dfd44a | 3039 | case KS0073: |
wim | 36:9f5f86dfd44a | 3040 | case KS0078: |
wim | 36:9f5f86dfd44a | 3041 | _function = _function | 0x01; // Enable Invert |
wim | 36:9f5f86dfd44a | 3042 | _writeCommand(0x20 | _function); // Activate Invert (Std Instr Set) |
wim | 36:9f5f86dfd44a | 3043 | break; |
wim | 36:9f5f86dfd44a | 3044 | case SSD1803_3V3 : |
wim | 36:9f5f86dfd44a | 3045 | // case SSD1803_5V : |
wim | 36:9f5f86dfd44a | 3046 | case US2066_3V3: |
wim | 36:9f5f86dfd44a | 3047 | // case USS2066_5V: |
wim | 36:9f5f86dfd44a | 3048 | _function_1 = _function_1 | 0x01; // Enable Invert |
wim | 36:9f5f86dfd44a | 3049 | // Set function, 0 0 1 DL N BE RE(1) REV (SSD1803) |
wim | 36:9f5f86dfd44a | 3050 | // Set function, 0 0 1 X N BE RE(1) REV (US2066) |
wim | 36:9f5f86dfd44a | 3051 | _writeCommand(0x20 | _function_1); // Activate Invert (Ext Instr Set) |
wim | 36:9f5f86dfd44a | 3052 | _writeCommand(0x20 | _function); // Return to Std Instr Set |
wim | 36:9f5f86dfd44a | 3053 | break; |
wim | 36:9f5f86dfd44a | 3054 | default: |
wim | 36:9f5f86dfd44a | 3055 | //Unsupported feature for other controllers |
wim | 36:9f5f86dfd44a | 3056 | break; |
wim | 36:9f5f86dfd44a | 3057 | } // end switch |
wim | 36:9f5f86dfd44a | 3058 | } |
wim | 36:9f5f86dfd44a | 3059 | else { |
wim | 36:9f5f86dfd44a | 3060 | // Controllers that support Invert |
wim | 36:9f5f86dfd44a | 3061 | switch (_ctrl) { |
wim | 36:9f5f86dfd44a | 3062 | case KS0073: |
wim | 36:9f5f86dfd44a | 3063 | case KS0078: |
wim | 36:9f5f86dfd44a | 3064 | _function = _function & ~0x01; // Disable Invert |
wim | 36:9f5f86dfd44a | 3065 | _writeCommand(0x20 | _function); // Disable Invert (Std Instr Set) |
wim | 36:9f5f86dfd44a | 3066 | break; |
wim | 36:9f5f86dfd44a | 3067 | case SSD1803_3V3 : |
wim | 36:9f5f86dfd44a | 3068 | // case SSD1803_5V : |
wim | 36:9f5f86dfd44a | 3069 | case US2066_3V3: |
wim | 36:9f5f86dfd44a | 3070 | // case USS2066_5V: |
wim | 36:9f5f86dfd44a | 3071 | _function_1 = _function_1 & ~0x01; // Disable Invert |
wim | 36:9f5f86dfd44a | 3072 | // Set function, 0 0 1 DL N BE RE(1) REV (SSD1803) |
wim | 36:9f5f86dfd44a | 3073 | // Set function, 0 0 1 X N BE RE(1) REV (US2066) |
wim | 36:9f5f86dfd44a | 3074 | _writeCommand(0x20 | _function_1); // Activate Invert (Ext Instr Set) |
wim | 36:9f5f86dfd44a | 3075 | _writeCommand(0x20 | _function); // Return to Std Instr Set |
wim | 36:9f5f86dfd44a | 3076 | break; |
wim | 36:9f5f86dfd44a | 3077 | |
wim | 36:9f5f86dfd44a | 3078 | default: |
wim | 36:9f5f86dfd44a | 3079 | //Unsupported feature for other controllers |
wim | 36:9f5f86dfd44a | 3080 | break; |
wim | 36:9f5f86dfd44a | 3081 | } // end switch |
wim | 36:9f5f86dfd44a | 3082 | } |
wim | 36:9f5f86dfd44a | 3083 | } // end setInvert() |
wim | 39:e9c2319de9c5 | 3084 | #endif |
wim | 36:9f5f86dfd44a | 3085 | |
wim | 23:d47f226efb24 | 3086 | //--------- End TextLCD_Base ----------- |
wim | 21:9eb628d9e164 | 3087 | |
wim | 22:35742ec80c24 | 3088 | |
wim | 23:d47f226efb24 | 3089 | //--------- Start TextLCD Bus ----------- |
wim | 21:9eb628d9e164 | 3090 | |
wim | 21:9eb628d9e164 | 3091 | /* Create a TextLCD interface for using regular mbed pins |
wim | 21:9eb628d9e164 | 3092 | * |
wim | 21:9eb628d9e164 | 3093 | * @param rs Instruction/data control line |
wim | 21:9eb628d9e164 | 3094 | * @param e Enable line (clock) |
wim | 21:9eb628d9e164 | 3095 | * @param d4-d7 Data lines for using as a 4-bit interface |
wim | 21:9eb628d9e164 | 3096 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
wim | 21:9eb628d9e164 | 3097 | * @param bl Backlight control line (optional, default = NC) |
wim | 21:9eb628d9e164 | 3098 | * @param e2 Enable2 line (clock for second controller, LCD40x4 only) |
wim | 21:9eb628d9e164 | 3099 | * @param ctrl LCD controller (default = HD44780) |
wim | 21:9eb628d9e164 | 3100 | */ |
wim | 21:9eb628d9e164 | 3101 | TextLCD::TextLCD(PinName rs, PinName e, |
wim | 21:9eb628d9e164 | 3102 | PinName d4, PinName d5, PinName d6, PinName d7, |
wim | 21:9eb628d9e164 | 3103 | LCDType type, PinName bl, PinName e2, LCDCtrl ctrl) : |
wim | 21:9eb628d9e164 | 3104 | TextLCD_Base(type, ctrl), |
wim | 22:35742ec80c24 | 3105 | _rs(rs), _e(e), _d(d4, d5, d6, d7) { |
wim | 22:35742ec80c24 | 3106 | |
wim | 22:35742ec80c24 | 3107 | // The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access. |
wim | 22:35742ec80c24 | 3108 | if (bl != NC) { |
wim | 22:35742ec80c24 | 3109 | _bl = new DigitalOut(bl); //Construct new pin |
wim | 22:35742ec80c24 | 3110 | _bl->write(0); //Deactivate |
wim | 22:35742ec80c24 | 3111 | } |
wim | 22:35742ec80c24 | 3112 | else { |
wim | 22:35742ec80c24 | 3113 | // No Hardware Backlight pin |
wim | 22:35742ec80c24 | 3114 | _bl = NULL; //Construct dummy pin |
wim | 22:35742ec80c24 | 3115 | } |
wim | 22:35742ec80c24 | 3116 | |
wim | 22:35742ec80c24 | 3117 | // 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 | 3118 | if (e2 != NC) { |
wim | 22:35742ec80c24 | 3119 | _e2 = new DigitalOut(e2); //Construct new pin |
wim | 22:35742ec80c24 | 3120 | _e2->write(0); //Deactivate |
wim | 22:35742ec80c24 | 3121 | } |
wim | 22:35742ec80c24 | 3122 | else { |
wim | 22:35742ec80c24 | 3123 | // No Hardware Enable pin |
wim | 22:35742ec80c24 | 3124 | _e2 = NULL; //Construct dummy pin |
wim | 22:35742ec80c24 | 3125 | } |
wim | 38:cbe275b0b647 | 3126 | |
wim | 38:cbe275b0b647 | 3127 | _init(_LCD_DL_4); // Set Datalength to 4 bit for mbed bus interfaces |
wim | 21:9eb628d9e164 | 3128 | } |
wim | 21:9eb628d9e164 | 3129 | |
wim | 29:a3663151aa65 | 3130 | /** Destruct a TextLCD interface for using regular mbed pins |
wim | 29:a3663151aa65 | 3131 | * |
wim | 29:a3663151aa65 | 3132 | * @param none |
wim | 29:a3663151aa65 | 3133 | * @return none |
wim | 29:a3663151aa65 | 3134 | */ |
wim | 29:a3663151aa65 | 3135 | TextLCD::~TextLCD() { |
wim | 29:a3663151aa65 | 3136 | if (_bl != NULL) {delete _bl;} // BL pin |
wim | 29:a3663151aa65 | 3137 | if (_e2 != NULL) {delete _e2;} // E2 pin |
wim | 29:a3663151aa65 | 3138 | } |
wim | 29:a3663151aa65 | 3139 | |
wim | 22:35742ec80c24 | 3140 | /** Set E pin (or E2 pin) |
wim | 22:35742ec80c24 | 3141 | * Used for mbed pins, I2C bus expander or SPI shiftregister |
wim | 22:35742ec80c24 | 3142 | * Default PinName value for E2 is NC, must be used as pointer to avoid issues with mbed lib and DigitalOut pins |
wim | 22:35742ec80c24 | 3143 | * @param value true or false |
wim | 22:35742ec80c24 | 3144 | * @return none |
wim | 22:35742ec80c24 | 3145 | */ |
wim | 21:9eb628d9e164 | 3146 | void TextLCD::_setEnable(bool value) { |
wim | 21:9eb628d9e164 | 3147 | |
wim | 22:35742ec80c24 | 3148 | if(_ctrl_idx==_LCDCtrl_0) { |
wim | 22:35742ec80c24 | 3149 | if (value) { |
wim | 22:35742ec80c24 | 3150 | _e = 1; // Set E bit |
wim | 22:35742ec80c24 | 3151 | } |
wim | 22:35742ec80c24 | 3152 | else { |
wim | 22:35742ec80c24 | 3153 | _e = 0; // Reset E bit |
wim | 22:35742ec80c24 | 3154 | } |
wim | 22:35742ec80c24 | 3155 | } |
wim | 22:35742ec80c24 | 3156 | else { |
wim | 22:35742ec80c24 | 3157 | if (value) { |
wim | 22:35742ec80c24 | 3158 | if (_e2 != NULL) {_e2->write(1);} //Set E2 bit |
wim | 22:35742ec80c24 | 3159 | } |
wim | 22:35742ec80c24 | 3160 | else { |
wim | 22:35742ec80c24 | 3161 | if (_e2 != NULL) {_e2->write(0);} //Reset E2 bit |
wim | 22:35742ec80c24 | 3162 | } |
wim | 22:35742ec80c24 | 3163 | } |
wim | 21:9eb628d9e164 | 3164 | } |
wim | 21:9eb628d9e164 | 3165 | |
wim | 21:9eb628d9e164 | 3166 | // Set RS pin |
wim | 21:9eb628d9e164 | 3167 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
wim | 21:9eb628d9e164 | 3168 | void TextLCD::_setRS(bool value) { |
wim | 21:9eb628d9e164 | 3169 | |
wim | 22:35742ec80c24 | 3170 | if (value) { |
wim | 21:9eb628d9e164 | 3171 | _rs = 1; // Set RS bit |
wim | 22:35742ec80c24 | 3172 | } |
wim | 22:35742ec80c24 | 3173 | else { |
wim | 21:9eb628d9e164 | 3174 | _rs = 0; // Reset RS bit |
wim | 22:35742ec80c24 | 3175 | } |
wim | 21:9eb628d9e164 | 3176 | } |
wim | 21:9eb628d9e164 | 3177 | |
wim | 22:35742ec80c24 | 3178 | /** Set BL pin |
wim | 22:35742ec80c24 | 3179 | * Used for mbed pins, I2C bus expander or SPI shiftregister |
wim | 22:35742ec80c24 | 3180 | * Default PinName value is NC, must be used as pointer to avoid issues with mbed lib and DigitalOut pins |
wim | 22:35742ec80c24 | 3181 | * @param value true or false |
wim | 22:35742ec80c24 | 3182 | * @return none |
wim | 22:35742ec80c24 | 3183 | */ |
wim | 21:9eb628d9e164 | 3184 | void TextLCD::_setBL(bool value) { |
wim | 21:9eb628d9e164 | 3185 | |
wim | 22:35742ec80c24 | 3186 | if (value) { |
wim | 22:35742ec80c24 | 3187 | if (_bl != NULL) {_bl->write(1);} //Set BL bit |
wim | 22:35742ec80c24 | 3188 | } |
wim | 22:35742ec80c24 | 3189 | else { |
wim | 22:35742ec80c24 | 3190 | if (_bl != NULL) {_bl->write(0);} //Reset BL bit |
wim | 22:35742ec80c24 | 3191 | } |
wim | 21:9eb628d9e164 | 3192 | } |
wim | 21:9eb628d9e164 | 3193 | |
wim | 21:9eb628d9e164 | 3194 | // Place the 4bit data on the databus |
wim | 21:9eb628d9e164 | 3195 | // Used for mbed pins, I2C bus expander or SPI shifregister |
wim | 21:9eb628d9e164 | 3196 | void TextLCD::_setData(int value) { |
wim | 21:9eb628d9e164 | 3197 | _d = value & 0x0F; // Write Databits |
wim | 21:9eb628d9e164 | 3198 | } |
wim | 34:e5a0dcb43ecc | 3199 | |
wim | 23:d47f226efb24 | 3200 | //----------- End TextLCD --------------- |
wim | 21:9eb628d9e164 | 3201 | |
wim | 21:9eb628d9e164 | 3202 | |
wim | 23:d47f226efb24 | 3203 | //--------- Start TextLCD_I2C ----------- |
wim | 34:e5a0dcb43ecc | 3204 | #if(LCD_I2C == 1) /* I2C Expander PCF8574/MCP23008 */ |
wim | 26:bd897a001012 | 3205 | /** Create a TextLCD interface using an I2C PC8574 (or PCF8574A) or MCP23008 portexpander |
wim | 22:35742ec80c24 | 3206 | * |
wim | 22:35742ec80c24 | 3207 | * @param i2c I2C Bus |
wim | 26:bd897a001012 | 3208 | * @param deviceAddress I2C slave address (PCF8574, PCF8574A or MCP23008, default = 0x40) |
wim | 22:35742ec80c24 | 3209 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
wim | 22:35742ec80c24 | 3210 | * @param ctrl LCD controller (default = HD44780) |
wim | 22:35742ec80c24 | 3211 | */ |
wim | 21:9eb628d9e164 | 3212 | TextLCD_I2C::TextLCD_I2C(I2C *i2c, char deviceAddress, LCDType type, LCDCtrl ctrl) : |
wim | 21:9eb628d9e164 | 3213 | TextLCD_Base(type, ctrl), |
wim | 21:9eb628d9e164 | 3214 | _i2c(i2c){ |
wim | 21:9eb628d9e164 | 3215 | |
wim | 22:35742ec80c24 | 3216 | _slaveAddress = deviceAddress & 0xFE; |
wim | 28:30fa94f7341c | 3217 | |
wim | 28:30fa94f7341c | 3218 | // Setup the I2C bus |
wim | 28:30fa94f7341c | 3219 | // The max bitrate for PCF8574 is 100kbit, the max bitrate for MCP23008 is 400kbit, |
wim | 32:59c4b8f648d4 | 3220 | _i2c->frequency(100000); |
wim | 21:9eb628d9e164 | 3221 | |
wim | 26:bd897a001012 | 3222 | #if (MCP23008==1) |
wim | 26:bd897a001012 | 3223 | // MCP23008 portexpander Init |
wim | 37:ce348c002929 | 3224 | _writeRegister(IODIR, 0x00); // All pins are outputs |
wim | 37:ce348c002929 | 3225 | _writeRegister(IPOL, 0x00); // No reverse polarity on inputs |
wim | 37:ce348c002929 | 3226 | _writeRegister(GPINTEN, 0x00); // No interrupt on change of input pins |
wim | 37:ce348c002929 | 3227 | _writeRegister(DEFVAL, 0x00); // Default value to compare against for interrupts |
wim | 37:ce348c002929 | 3228 | _writeRegister(INTCON, 0x00); // No interrupt on changes, compare against previous pin value |
wim | 37:ce348c002929 | 3229 | _writeRegister(IOCON, 0x20); // b1=0 - Interrupt polarity active low |
wim | 37:ce348c002929 | 3230 | // b2=0 - Interrupt pin active driver output |
wim | 37:ce348c002929 | 3231 | // b4=0 - Slew rate enable on SDA |
wim | 37:ce348c002929 | 3232 | // b5=0 - Auto-increment on registeraddress |
wim | 37:ce348c002929 | 3233 | // b5=1 - No auto-increment on registeraddress => needed for performance improved I2C expander mode |
wim | 37:ce348c002929 | 3234 | _writeRegister(GPPU, 0x00); // No Pullup |
wim | 37:ce348c002929 | 3235 | // INTF // Interrupt flags read (Read-Only) |
wim | 37:ce348c002929 | 3236 | // INTCAP // Captured inputpins at time of interrupt (Read-Only) |
wim | 37:ce348c002929 | 3237 | // _writeRegister(GPIO, 0x00); // Output/Input pins |
wim | 37:ce348c002929 | 3238 | // _writeRegister(OLAT, 0x00); // Output Latch |
wim | 26:bd897a001012 | 3239 | |
wim | 21:9eb628d9e164 | 3240 | // Init the portexpander bus |
wim | 38:cbe275b0b647 | 3241 | _lcd_bus = LCD_BUS_I2C_DEF; |
wim | 21:9eb628d9e164 | 3242 | |
wim | 21:9eb628d9e164 | 3243 | // write the new data to the portexpander |
wim | 37:ce348c002929 | 3244 | _writeRegister(GPIO, _lcd_bus); |
wim | 26:bd897a001012 | 3245 | #else |
wim | 26:bd897a001012 | 3246 | // PCF8574 of PCF8574A portexpander |
wim | 26:bd897a001012 | 3247 | |
wim | 26:bd897a001012 | 3248 | // Init the portexpander bus |
wim | 38:cbe275b0b647 | 3249 | _lcd_bus = LCD_BUS_I2C_DEF; |
wim | 26:bd897a001012 | 3250 | |
wim | 26:bd897a001012 | 3251 | // write the new data to the portexpander |
wim | 21:9eb628d9e164 | 3252 | _i2c->write(_slaveAddress, &_lcd_bus, 1); |
wim | 26:bd897a001012 | 3253 | #endif |
wim | 21:9eb628d9e164 | 3254 | |
wim | 37:ce348c002929 | 3255 | _init(_LCD_DL_4); // Set Datalength to 4 bit for all serial expander interfaces |
wim | 21:9eb628d9e164 | 3256 | } |
wim | 21:9eb628d9e164 | 3257 | |
wim | 37:ce348c002929 | 3258 | // Set E bit (or E2 bit) in the databus shadowvalue |
wim | 37:ce348c002929 | 3259 | // Used for mbed I2C bus expander |
wim | 37:ce348c002929 | 3260 | void TextLCD_I2C::_setEnableBit(bool value) { |
wim | 21:9eb628d9e164 | 3261 | |
wim | 41:111ca62e8a59 | 3262 | #if (LCD_TWO_CTRL == 1) |
wim | 22:35742ec80c24 | 3263 | if(_ctrl_idx==_LCDCtrl_0) { |
wim | 26:bd897a001012 | 3264 | if (value) { |
wim | 38:cbe275b0b647 | 3265 | _lcd_bus |= LCD_BUS_I2C_E; // Set E bit |
wim | 26:bd897a001012 | 3266 | } |
wim | 26:bd897a001012 | 3267 | else { |
wim | 38:cbe275b0b647 | 3268 | _lcd_bus &= ~LCD_BUS_I2C_E; // Reset E bit |
wim | 26:bd897a001012 | 3269 | } |
wim | 22:35742ec80c24 | 3270 | } |
wim | 22:35742ec80c24 | 3271 | else { |
wim | 26:bd897a001012 | 3272 | if (value) { |
wim | 38:cbe275b0b647 | 3273 | _lcd_bus |= LCD_BUS_I2C_E2; // Set E2 bit |
wim | 26:bd897a001012 | 3274 | } |
wim | 26:bd897a001012 | 3275 | else { |
wim | 38:cbe275b0b647 | 3276 | _lcd_bus &= ~LCD_BUS_I2C_E2; // Reset E2bit |
wim | 26:bd897a001012 | 3277 | } |
wim | 26:bd897a001012 | 3278 | } |
wim | 41:111ca62e8a59 | 3279 | #else |
wim | 41:111ca62e8a59 | 3280 | // Support only one controller |
wim | 41:111ca62e8a59 | 3281 | if (value) { |
wim | 41:111ca62e8a59 | 3282 | _lcd_bus |= LCD_BUS_I2C_E; // Set E bit |
wim | 41:111ca62e8a59 | 3283 | } |
wim | 41:111ca62e8a59 | 3284 | else { |
wim | 41:111ca62e8a59 | 3285 | _lcd_bus &= ~LCD_BUS_I2C_E; // Reset E bit |
wim | 41:111ca62e8a59 | 3286 | } |
wim | 41:111ca62e8a59 | 3287 | |
wim | 41:111ca62e8a59 | 3288 | #endif |
wim | 37:ce348c002929 | 3289 | } |
wim | 37:ce348c002929 | 3290 | |
wim | 37:ce348c002929 | 3291 | // Set E pin (or E2 pin) |
wim | 37:ce348c002929 | 3292 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
wim | 37:ce348c002929 | 3293 | void TextLCD_I2C::_setEnable(bool value) { |
wim | 37:ce348c002929 | 3294 | |
wim | 37:ce348c002929 | 3295 | // Place the E or E2 bit data on the databus shadowvalue |
wim | 37:ce348c002929 | 3296 | _setEnableBit(value); |
wim | 26:bd897a001012 | 3297 | |
wim | 26:bd897a001012 | 3298 | #if (MCP23008==1) |
wim | 26:bd897a001012 | 3299 | // MCP23008 portexpander |
wim | 26:bd897a001012 | 3300 | |
wim | 26:bd897a001012 | 3301 | // write the new data to the portexpander |
wim | 37:ce348c002929 | 3302 | _writeRegister(GPIO, _lcd_bus); |
wim | 26:bd897a001012 | 3303 | #else |
wim | 26:bd897a001012 | 3304 | // PCF8574 of PCF8574A portexpander |
wim | 21:9eb628d9e164 | 3305 | |
wim | 22:35742ec80c24 | 3306 | // write the new data to the I2C portexpander |
wim | 22:35742ec80c24 | 3307 | _i2c->write(_slaveAddress, &_lcd_bus, 1); |
wim | 26:bd897a001012 | 3308 | #endif |
wim | 21:9eb628d9e164 | 3309 | } |
wim | 21:9eb628d9e164 | 3310 | |
wim | 37:ce348c002929 | 3311 | |
wim | 21:9eb628d9e164 | 3312 | // Set RS pin |
wim | 21:9eb628d9e164 | 3313 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
wim | 21:9eb628d9e164 | 3314 | void TextLCD_I2C::_setRS(bool value) { |
wim | 21:9eb628d9e164 | 3315 | |
wim | 26:bd897a001012 | 3316 | if (value) { |
wim | 38:cbe275b0b647 | 3317 | _lcd_bus |= LCD_BUS_I2C_RS; // Set RS bit |
wim | 26:bd897a001012 | 3318 | } |
wim | 26:bd897a001012 | 3319 | else { |
wim | 38:cbe275b0b647 | 3320 | _lcd_bus &= ~LCD_BUS_I2C_RS; // Reset RS bit |
wim | 26:bd897a001012 | 3321 | } |
wim | 26:bd897a001012 | 3322 | |
wim | 26:bd897a001012 | 3323 | #if (MCP23008==1) |
wim | 26:bd897a001012 | 3324 | // MCP23008 portexpander |
wim | 26:bd897a001012 | 3325 | |
wim | 26:bd897a001012 | 3326 | // write the new data to the portexpander |
wim | 37:ce348c002929 | 3327 | _writeRegister(GPIO, _lcd_bus); |
wim | 26:bd897a001012 | 3328 | #else |
wim | 26:bd897a001012 | 3329 | // PCF8574 of PCF8574A portexpander |
wim | 21:9eb628d9e164 | 3330 | |
wim | 22:35742ec80c24 | 3331 | // write the new data to the I2C portexpander |
wim | 22:35742ec80c24 | 3332 | _i2c->write(_slaveAddress, &_lcd_bus, 1); |
wim | 30:033048611c01 | 3333 | #endif |
wim | 21:9eb628d9e164 | 3334 | } |
wim | 21:9eb628d9e164 | 3335 | |
wim | 21:9eb628d9e164 | 3336 | // Set BL pin |
wim | 21:9eb628d9e164 | 3337 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
wim | 21:9eb628d9e164 | 3338 | void TextLCD_I2C::_setBL(bool value) { |
wim | 21:9eb628d9e164 | 3339 | |
wim | 26:bd897a001012 | 3340 | if (value) { |
wim | 38:cbe275b0b647 | 3341 | _lcd_bus |= LCD_BUS_I2C_BL; // Set BL bit |
wim | 26:bd897a001012 | 3342 | } |
wim | 26:bd897a001012 | 3343 | else { |
wim | 38:cbe275b0b647 | 3344 | _lcd_bus &= ~LCD_BUS_I2C_BL; // Reset BL bit |
wim | 26:bd897a001012 | 3345 | } |
wim | 26:bd897a001012 | 3346 | |
wim | 26:bd897a001012 | 3347 | #if (MCP23008==1) |
wim | 26:bd897a001012 | 3348 | // MCP23008 portexpander |
wim | 26:bd897a001012 | 3349 | |
wim | 26:bd897a001012 | 3350 | // write the new data to the portexpander |
wim | 37:ce348c002929 | 3351 | _writeRegister(GPIO, _lcd_bus); |
wim | 37:ce348c002929 | 3352 | #else |
wim | 37:ce348c002929 | 3353 | // PCF8574 of PCF8574A portexpander |
wim | 37:ce348c002929 | 3354 | |
wim | 37:ce348c002929 | 3355 | // write the new data to the I2C portexpander |
wim | 37:ce348c002929 | 3356 | _i2c->write(_slaveAddress, &_lcd_bus, 1); |
wim | 37:ce348c002929 | 3357 | #endif |
wim | 37:ce348c002929 | 3358 | } |
wim | 37:ce348c002929 | 3359 | |
wim | 38:cbe275b0b647 | 3360 | #if(0) |
wim | 38:cbe275b0b647 | 3361 | // New optimized v018 |
wim | 38:cbe275b0b647 | 3362 | // Test faster _writeByte 0.11s vs 0.27s for a 20x4 fillscreen (PCF8574), same as v018 |
wim | 38:cbe275b0b647 | 3363 | // Place the 4bit data in the databus shadowvalue |
wim | 38:cbe275b0b647 | 3364 | // Used for mbed I2C bus expander |
wim | 38:cbe275b0b647 | 3365 | const char _LCD_DATA_BITS[16] = { |
wim | 38:cbe275b0b647 | 3366 | 0x00, |
wim | 38:cbe275b0b647 | 3367 | ( LCD_BUS_I2C_D4), |
wim | 38:cbe275b0b647 | 3368 | ( LCD_BUS_I2C_D5 ), |
wim | 38:cbe275b0b647 | 3369 | ( LCD_BUS_I2C_D5 | LCD_BUS_I2C_D4), |
wim | 38:cbe275b0b647 | 3370 | ( LCD_BUS_I2C_D6 ), |
wim | 38:cbe275b0b647 | 3371 | ( LCD_BUS_I2C_D6 | LCD_BUS_I2C_D4), |
wim | 38:cbe275b0b647 | 3372 | ( LCD_BUS_I2C_D6 | LCD_BUS_I2C_D5 ), |
wim | 38:cbe275b0b647 | 3373 | ( LCD_BUS_I2C_D6 | LCD_BUS_I2C_D5 | LCD_BUS_I2C_D4), |
wim | 38:cbe275b0b647 | 3374 | (LCD_BUS_I2C_D7 ), |
wim | 38:cbe275b0b647 | 3375 | (LCD_BUS_I2C_D7 | LCD_BUS_I2C_D4), |
wim | 38:cbe275b0b647 | 3376 | (LCD_BUS_I2C_D7 | LCD_BUS_I2C_D5 ), |
wim | 38:cbe275b0b647 | 3377 | (LCD_BUS_I2C_D7 | LCD_BUS_I2C_D5 | LCD_BUS_I2C_D4), |
wim | 38:cbe275b0b647 | 3378 | (LCD_BUS_I2C_D7 | LCD_BUS_I2C_D6 ), |
wim | 38:cbe275b0b647 | 3379 | (LCD_BUS_I2C_D7 | LCD_BUS_I2C_D6 | LCD_BUS_I2C_D4), |
wim | 38:cbe275b0b647 | 3380 | (LCD_BUS_I2C_D7 | LCD_BUS_I2C_D6 | LCD_BUS_I2C_D5 ), |
wim | 38:cbe275b0b647 | 3381 | (LCD_BUS_I2C_D7 | LCD_BUS_I2C_D6 | LCD_BUS_I2C_D5 | LCD_BUS_I2C_D4) |
wim | 38:cbe275b0b647 | 3382 | }; |
wim | 38:cbe275b0b647 | 3383 | void TextLCD_I2C::_setDataBits(int value) { |
wim | 38:cbe275b0b647 | 3384 | |
wim | 38:cbe275b0b647 | 3385 | //Clear all databits |
wim | 38:cbe275b0b647 | 3386 | _lcd_bus &= ~LCD_BUS_I2C_MSK; |
wim | 38:cbe275b0b647 | 3387 | |
wim | 38:cbe275b0b647 | 3388 | // Set bit by bit to support any mapping of expander portpins to LCD pins |
wim | 38:cbe275b0b647 | 3389 | _lcd_bus |= _LCD_DATA_BITS[value & 0x0F]; |
wim | 38:cbe275b0b647 | 3390 | } |
wim | 39:e9c2319de9c5 | 3391 | #endif |
wim | 39:e9c2319de9c5 | 3392 | |
wim | 39:e9c2319de9c5 | 3393 | // Test faster _writeByte 0.11s vs 0.27s for a 20x4 fillscreen (PCF8574) |
wim | 39:e9c2319de9c5 | 3394 | // Place the 4bit data in the databus shadowvalue |
wim | 39:e9c2319de9c5 | 3395 | // Used for mbed I2C bus expander |
wim | 39:e9c2319de9c5 | 3396 | void TextLCD_I2C::_setDataBits(int value) { |
wim | 39:e9c2319de9c5 | 3397 | |
wim | 39:e9c2319de9c5 | 3398 | //Clear all databits |
wim | 39:e9c2319de9c5 | 3399 | _lcd_bus &= ~LCD_BUS_I2C_MSK; |
wim | 39:e9c2319de9c5 | 3400 | |
wim | 39:e9c2319de9c5 | 3401 | // Set bit by bit to support any mapping of expander portpins to LCD pins |
wim | 39:e9c2319de9c5 | 3402 | if (value & 0x01){ |
wim | 39:e9c2319de9c5 | 3403 | _lcd_bus |= LCD_BUS_I2C_D4; // Set Databit |
wim | 39:e9c2319de9c5 | 3404 | } |
wim | 39:e9c2319de9c5 | 3405 | |
wim | 39:e9c2319de9c5 | 3406 | if (value & 0x02){ |
wim | 39:e9c2319de9c5 | 3407 | _lcd_bus |= LCD_BUS_I2C_D5; // Set Databit |
wim | 39:e9c2319de9c5 | 3408 | } |
wim | 39:e9c2319de9c5 | 3409 | |
wim | 39:e9c2319de9c5 | 3410 | if (value & 0x04) { |
wim | 39:e9c2319de9c5 | 3411 | _lcd_bus |= LCD_BUS_I2C_D6; // Set Databit |
wim | 39:e9c2319de9c5 | 3412 | } |
wim | 39:e9c2319de9c5 | 3413 | |
wim | 39:e9c2319de9c5 | 3414 | if (value & 0x08) { |
wim | 39:e9c2319de9c5 | 3415 | _lcd_bus |= LCD_BUS_I2C_D7; // Set Databit |
wim | 39:e9c2319de9c5 | 3416 | } |
wim | 39:e9c2319de9c5 | 3417 | } |
wim | 41:111ca62e8a59 | 3418 | |
wim | 37:ce348c002929 | 3419 | |
wim | 37:ce348c002929 | 3420 | // Place the 4bit data on the databus |
wim | 37:ce348c002929 | 3421 | // Used for mbed pins, I2C bus expander or SPI shifregister |
wim | 37:ce348c002929 | 3422 | void TextLCD_I2C::_setData(int value) { |
wim | 37:ce348c002929 | 3423 | |
wim | 37:ce348c002929 | 3424 | // Place the 4bit data on the databus shadowvalue |
wim | 37:ce348c002929 | 3425 | _setDataBits(value); |
wim | 37:ce348c002929 | 3426 | |
wim | 37:ce348c002929 | 3427 | // Place the 4bit data on the databus |
wim | 37:ce348c002929 | 3428 | #if (MCP23008==1) |
wim | 37:ce348c002929 | 3429 | // MCP23008 portexpander |
wim | 37:ce348c002929 | 3430 | |
wim | 37:ce348c002929 | 3431 | // write the new data to the portexpander |
wim | 37:ce348c002929 | 3432 | _writeRegister(GPIO, _lcd_bus); |
wim | 26:bd897a001012 | 3433 | #else |
wim | 26:bd897a001012 | 3434 | // PCF8574 of PCF8574A portexpander |
wim | 21:9eb628d9e164 | 3435 | |
wim | 21:9eb628d9e164 | 3436 | // write the new data to the I2C portexpander |
wim | 21:9eb628d9e164 | 3437 | _i2c->write(_slaveAddress, &_lcd_bus, 1); |
wim | 30:033048611c01 | 3438 | #endif |
wim | 21:9eb628d9e164 | 3439 | } |
wim | 21:9eb628d9e164 | 3440 | |
wim | 37:ce348c002929 | 3441 | // Write data to MCP23008 I2C portexpander |
wim | 37:ce348c002929 | 3442 | // Used for mbed I2C bus expander |
wim | 37:ce348c002929 | 3443 | void TextLCD_I2C::_writeRegister (int reg, int value) { |
wim | 37:ce348c002929 | 3444 | char data[] = {reg, value}; |
wim | 37:ce348c002929 | 3445 | |
wim | 37:ce348c002929 | 3446 | _i2c->write(_slaveAddress, data, 2); |
wim | 37:ce348c002929 | 3447 | } |
wim | 37:ce348c002929 | 3448 | |
wim | 37:ce348c002929 | 3449 | //New optimized |
wim | 37:ce348c002929 | 3450 | //Test faster _writeByte 0.11s vs 0.27s for a 20x4 fillscreen (PCF8574) |
wim | 37:ce348c002929 | 3451 | //Test faster _writeByte 0.14s vs 0.34s for a 20x4 fillscreen (MCP23008) |
wim | 37:ce348c002929 | 3452 | |
wim | 37:ce348c002929 | 3453 | // Write a byte using I2C |
wim | 37:ce348c002929 | 3454 | void TextLCD_I2C::_writeByte(int value) { |
wim | 37:ce348c002929 | 3455 | char data[6]; |
wim | 37:ce348c002929 | 3456 | |
wim | 37:ce348c002929 | 3457 | #if (MCP23008==1) |
wim | 37:ce348c002929 | 3458 | // MCP23008 portexpander |
wim | 37:ce348c002929 | 3459 | |
wim | 37:ce348c002929 | 3460 | data[0] = GPIO; // set registeraddres |
wim | 37:ce348c002929 | 3461 | // Note: auto-increment is disabled so all data will go to GPIO register |
wim | 37:ce348c002929 | 3462 | |
wim | 37:ce348c002929 | 3463 | _setEnableBit(true); // set E |
wim | 37:ce348c002929 | 3464 | _setDataBits(value >> 4); // set data high |
wim | 37:ce348c002929 | 3465 | data[1] = _lcd_bus; |
wim | 37:ce348c002929 | 3466 | |
wim | 37:ce348c002929 | 3467 | _setEnableBit(false); // clear E |
wim | 37:ce348c002929 | 3468 | data[2] = _lcd_bus; |
wim | 37:ce348c002929 | 3469 | |
wim | 37:ce348c002929 | 3470 | _setEnableBit(true); // set E |
wim | 37:ce348c002929 | 3471 | _setDataBits(value); // set data low |
wim | 37:ce348c002929 | 3472 | data[3] = _lcd_bus; |
wim | 37:ce348c002929 | 3473 | |
wim | 37:ce348c002929 | 3474 | _setEnableBit(false); // clear E |
wim | 37:ce348c002929 | 3475 | data[4] = _lcd_bus; |
wim | 37:ce348c002929 | 3476 | |
wim | 37:ce348c002929 | 3477 | // write the packed data to the I2C portexpander |
wim | 37:ce348c002929 | 3478 | _i2c->write(_slaveAddress, data, 5); |
wim | 37:ce348c002929 | 3479 | #else |
wim | 37:ce348c002929 | 3480 | // PCF8574 of PCF8574A portexpander |
wim | 37:ce348c002929 | 3481 | |
wim | 37:ce348c002929 | 3482 | _setEnableBit(true); // set E |
wim | 37:ce348c002929 | 3483 | _setDataBits(value >> 4); // set data high |
wim | 37:ce348c002929 | 3484 | data[0] = _lcd_bus; |
wim | 37:ce348c002929 | 3485 | |
wim | 37:ce348c002929 | 3486 | _setEnableBit(false); // clear E |
wim | 37:ce348c002929 | 3487 | data[1] = _lcd_bus; |
wim | 37:ce348c002929 | 3488 | |
wim | 37:ce348c002929 | 3489 | _setEnableBit(true); // set E |
wim | 37:ce348c002929 | 3490 | _setDataBits(value); // set data low |
wim | 37:ce348c002929 | 3491 | data[2] = _lcd_bus; |
wim | 37:ce348c002929 | 3492 | |
wim | 37:ce348c002929 | 3493 | _setEnableBit(false); // clear E |
wim | 37:ce348c002929 | 3494 | data[3] = _lcd_bus; |
wim | 37:ce348c002929 | 3495 | |
wim | 37:ce348c002929 | 3496 | // write the packed data to the I2C portexpander |
wim | 37:ce348c002929 | 3497 | _i2c->write(_slaveAddress, data, 4); |
wim | 37:ce348c002929 | 3498 | #endif |
wim | 37:ce348c002929 | 3499 | } |
wim | 37:ce348c002929 | 3500 | |
wim | 37:ce348c002929 | 3501 | #endif /* I2C Expander PCF8574/MCP23008 */ |
wim | 37:ce348c002929 | 3502 | //---------- End TextLCD_I2C ------------ |
wim | 37:ce348c002929 | 3503 | |
wim | 37:ce348c002929 | 3504 | |
wim | 37:ce348c002929 | 3505 | //--------- Start TextLCD_SPI ----------- |
wim | 37:ce348c002929 | 3506 | #if(LCD_SPI == 1) /* SPI Expander SN74595 */ |
wim | 37:ce348c002929 | 3507 | |
wim | 37:ce348c002929 | 3508 | /** Create a TextLCD interface using an SPI 74595 portexpander |
wim | 37:ce348c002929 | 3509 | * |
wim | 37:ce348c002929 | 3510 | * @param spi SPI Bus |
wim | 37:ce348c002929 | 3511 | * @param cs chip select pin (active low) |
wim | 37:ce348c002929 | 3512 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
wim | 37:ce348c002929 | 3513 | * @param ctrl LCD controller (default = HD44780) |
wim | 37:ce348c002929 | 3514 | */ |
wim | 37:ce348c002929 | 3515 | TextLCD_SPI::TextLCD_SPI(SPI *spi, PinName cs, LCDType type, LCDCtrl ctrl) : |
wim | 37:ce348c002929 | 3516 | TextLCD_Base(type, ctrl), |
wim | 37:ce348c002929 | 3517 | _spi(spi), |
wim | 38:cbe275b0b647 | 3518 | _cs(cs) { |
wim | 37:ce348c002929 | 3519 | // Init cs |
wim | 37:ce348c002929 | 3520 | _cs = 1; |
wim | 37:ce348c002929 | 3521 | |
wim | 37:ce348c002929 | 3522 | // Setup the spi for 8 bit data, low steady state clock, |
wim | 37:ce348c002929 | 3523 | // rising edge capture, with a 500KHz or 1MHz clock rate |
wim | 37:ce348c002929 | 3524 | _spi->format(8,0); |
wim | 37:ce348c002929 | 3525 | _spi->frequency(500000); |
wim | 37:ce348c002929 | 3526 | //_spi.frequency(1000000); |
wim | 37:ce348c002929 | 3527 | |
wim | 38:cbe275b0b647 | 3528 | wait_ms(100); // Wait 100ms to ensure LCD powered up |
wim | 38:cbe275b0b647 | 3529 | |
wim | 37:ce348c002929 | 3530 | // Init the portexpander bus |
wim | 38:cbe275b0b647 | 3531 | _lcd_bus = LCD_BUS_SPI_DEF; |
wim | 37:ce348c002929 | 3532 | |
wim | 37:ce348c002929 | 3533 | // write the new data to the portexpander |
wim | 37:ce348c002929 | 3534 | _cs = 0; |
wim | 37:ce348c002929 | 3535 | _spi->write(_lcd_bus); |
wim | 37:ce348c002929 | 3536 | _cs = 1; |
wim | 37:ce348c002929 | 3537 | |
wim | 37:ce348c002929 | 3538 | _init(_LCD_DL_4); // Set Datalength to 4 bit for all serial expander interfaces |
wim | 37:ce348c002929 | 3539 | } |
wim | 37:ce348c002929 | 3540 | |
wim | 37:ce348c002929 | 3541 | // Set E pin (or E2 pin) |
wim | 37:ce348c002929 | 3542 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
wim | 37:ce348c002929 | 3543 | void TextLCD_SPI::_setEnable(bool value) { |
wim | 37:ce348c002929 | 3544 | |
wim | 37:ce348c002929 | 3545 | if(_ctrl_idx==_LCDCtrl_0) { |
wim | 37:ce348c002929 | 3546 | if (value) { |
wim | 38:cbe275b0b647 | 3547 | _lcd_bus |= LCD_BUS_SPI_E; // Set E bit |
wim | 37:ce348c002929 | 3548 | } |
wim | 37:ce348c002929 | 3549 | else { |
wim | 38:cbe275b0b647 | 3550 | _lcd_bus &= ~LCD_BUS_SPI_E; // Reset E bit |
wim | 37:ce348c002929 | 3551 | } |
wim | 37:ce348c002929 | 3552 | } |
wim | 37:ce348c002929 | 3553 | else { |
wim | 37:ce348c002929 | 3554 | if (value) { |
wim | 38:cbe275b0b647 | 3555 | _lcd_bus |= LCD_BUS_SPI_E2; // Set E2 bit |
wim | 37:ce348c002929 | 3556 | } |
wim | 37:ce348c002929 | 3557 | else { |
wim | 38:cbe275b0b647 | 3558 | _lcd_bus &= ~LCD_BUS_SPI_E2; // Reset E2 bit |
wim | 37:ce348c002929 | 3559 | } |
wim | 37:ce348c002929 | 3560 | } |
wim | 37:ce348c002929 | 3561 | |
wim | 37:ce348c002929 | 3562 | // write the new data to the SPI portexpander |
wim | 37:ce348c002929 | 3563 | _cs = 0; |
wim | 37:ce348c002929 | 3564 | _spi->write(_lcd_bus); |
wim | 37:ce348c002929 | 3565 | _cs = 1; |
wim | 37:ce348c002929 | 3566 | } |
wim | 37:ce348c002929 | 3567 | |
wim | 37:ce348c002929 | 3568 | // Set RS pin |
wim | 37:ce348c002929 | 3569 | // Used for mbed pins, I2C bus expander or SPI shiftregister and SPI_N |
wim | 37:ce348c002929 | 3570 | void TextLCD_SPI::_setRS(bool value) { |
wim | 37:ce348c002929 | 3571 | |
wim | 37:ce348c002929 | 3572 | if (value) { |
wim | 38:cbe275b0b647 | 3573 | _lcd_bus |= LCD_BUS_SPI_RS; // Set RS bit |
wim | 37:ce348c002929 | 3574 | } |
wim | 37:ce348c002929 | 3575 | else { |
wim | 38:cbe275b0b647 | 3576 | _lcd_bus &= ~LCD_BUS_SPI_RS; // Reset RS bit |
wim | 37:ce348c002929 | 3577 | } |
wim | 37:ce348c002929 | 3578 | |
wim | 37:ce348c002929 | 3579 | // write the new data to the SPI portexpander |
wim | 37:ce348c002929 | 3580 | _cs = 0; |
wim | 37:ce348c002929 | 3581 | _spi->write(_lcd_bus); |
wim | 37:ce348c002929 | 3582 | _cs = 1; |
wim | 37:ce348c002929 | 3583 | } |
wim | 37:ce348c002929 | 3584 | |
wim | 37:ce348c002929 | 3585 | // Set BL pin |
wim | 37:ce348c002929 | 3586 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
wim | 37:ce348c002929 | 3587 | void TextLCD_SPI::_setBL(bool value) { |
wim | 37:ce348c002929 | 3588 | |
wim | 37:ce348c002929 | 3589 | if (value) { |
wim | 38:cbe275b0b647 | 3590 | _lcd_bus |= LCD_BUS_SPI_BL; // Set BL bit |
wim | 37:ce348c002929 | 3591 | } |
wim | 37:ce348c002929 | 3592 | else { |
wim | 38:cbe275b0b647 | 3593 | _lcd_bus &= ~LCD_BUS_SPI_BL; // Reset BL bit |
wim | 37:ce348c002929 | 3594 | } |
wim | 37:ce348c002929 | 3595 | |
wim | 37:ce348c002929 | 3596 | // write the new data to the SPI portexpander |
wim | 37:ce348c002929 | 3597 | _cs = 0; |
wim | 37:ce348c002929 | 3598 | _spi->write(_lcd_bus); |
wim | 37:ce348c002929 | 3599 | _cs = 1; |
wim | 37:ce348c002929 | 3600 | } |
wim | 21:9eb628d9e164 | 3601 | |
wim | 21:9eb628d9e164 | 3602 | // Place the 4bit data on the databus |
wim | 37:ce348c002929 | 3603 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
wim | 37:ce348c002929 | 3604 | void TextLCD_SPI::_setData(int value) { |
wim | 22:35742ec80c24 | 3605 | |
wim | 22:35742ec80c24 | 3606 | // Set bit by bit to support any mapping of expander portpins to LCD pins |
wim | 37:ce348c002929 | 3607 | if (value & 0x01) { |
wim | 38:cbe275b0b647 | 3608 | _lcd_bus |= LCD_BUS_SPI_D4; // Set Databit |
wim | 26:bd897a001012 | 3609 | } |
wim | 37:ce348c002929 | 3610 | else { |
wim | 38:cbe275b0b647 | 3611 | _lcd_bus &= ~LCD_BUS_SPI_D4; // Reset Databit |
wim | 37:ce348c002929 | 3612 | } |
wim | 37:ce348c002929 | 3613 | |
wim | 37:ce348c002929 | 3614 | if (value & 0x02) { |
wim | 38:cbe275b0b647 | 3615 | _lcd_bus |= LCD_BUS_SPI_D5; // Set Databit |
wim | 26:bd897a001012 | 3616 | } |
wim | 26:bd897a001012 | 3617 | else { |
wim | 38:cbe275b0b647 | 3618 | _lcd_bus &= ~LCD_BUS_SPI_D5; // Reset Databit |
wim | 37:ce348c002929 | 3619 | } |
wim | 37:ce348c002929 | 3620 | |
wim | 37:ce348c002929 | 3621 | if (value & 0x04) { |
wim | 38:cbe275b0b647 | 3622 | _lcd_bus |= LCD_BUS_SPI_D6; // Set Databit |
wim | 26:bd897a001012 | 3623 | } |
wim | 37:ce348c002929 | 3624 | else { |
wim | 38:cbe275b0b647 | 3625 | _lcd_bus &= ~LCD_BUS_SPI_D6; // Reset Databit |
wim | 37:ce348c002929 | 3626 | } |
wim | 37:ce348c002929 | 3627 | |
wim | 37:ce348c002929 | 3628 | if (value & 0x08) { |
wim | 38:cbe275b0b647 | 3629 | _lcd_bus |= LCD_BUS_SPI_D7; // Set Databit |
wim | 26:bd897a001012 | 3630 | } |
wim | 26:bd897a001012 | 3631 | else { |
wim | 38:cbe275b0b647 | 3632 | _lcd_bus &= ~LCD_BUS_SPI_D7; // Reset Databit |
wim | 26:bd897a001012 | 3633 | } |
wim | 21:9eb628d9e164 | 3634 | |
wim | 37:ce348c002929 | 3635 | // write the new data to the SPI portexpander |
wim | 37:ce348c002929 | 3636 | _cs = 0; |
wim | 37:ce348c002929 | 3637 | _spi->write(_lcd_bus); |
wim | 37:ce348c002929 | 3638 | _cs = 1; |
wim | 22:35742ec80c24 | 3639 | } |
wim | 21:9eb628d9e164 | 3640 | |
wim | 37:ce348c002929 | 3641 | #endif /* SPI Expander SN74595 */ |
wim | 37:ce348c002929 | 3642 | //---------- End TextLCD_SPI ------------ |
wim | 21:9eb628d9e164 | 3643 | |
wim | 21:9eb628d9e164 | 3644 | |
wim | 28:30fa94f7341c | 3645 | //--------- Start TextLCD_I2C_N --------- |
wim | 34:e5a0dcb43ecc | 3646 | #if(LCD_I2C_N == 1) /* Native I2C */ |
wim | 28:30fa94f7341c | 3647 | |
wim | 28:30fa94f7341c | 3648 | /** Create a TextLCD interface using a controller with native I2C interface |
wim | 28:30fa94f7341c | 3649 | * |
wim | 28:30fa94f7341c | 3650 | * @param i2c I2C Bus |
wim | 28:30fa94f7341c | 3651 | * @param deviceAddress I2C slave address (default = 0x7C) |
wim | 28:30fa94f7341c | 3652 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
wim | 28:30fa94f7341c | 3653 | * @param bl Backlight control line (optional, default = NC) |
wim | 28:30fa94f7341c | 3654 | * @param ctrl LCD controller (default = ST7032_3V3) |
wim | 28:30fa94f7341c | 3655 | */ |
wim | 28:30fa94f7341c | 3656 | TextLCD_I2C_N::TextLCD_I2C_N(I2C *i2c, char deviceAddress, LCDType type, PinName bl, LCDCtrl ctrl) : |
wim | 28:30fa94f7341c | 3657 | TextLCD_Base(type, ctrl), |
wim | 32:59c4b8f648d4 | 3658 | |
wim | 33:900a94bc7585 | 3659 | _i2c(i2c){ |
wim | 30:033048611c01 | 3660 | |
wim | 28:30fa94f7341c | 3661 | _slaveAddress = deviceAddress & 0xFE; |
wim | 28:30fa94f7341c | 3662 | |
wim | 28:30fa94f7341c | 3663 | // Setup the I2C bus |
wim | 29:a3663151aa65 | 3664 | // The max bitrate for ST7032i is 400kbit, lets stick to default here |
wim | 29:a3663151aa65 | 3665 | _i2c->frequency(100000); |
wim | 32:59c4b8f648d4 | 3666 | |
wim | 30:033048611c01 | 3667 | |
wim | 28:30fa94f7341c | 3668 | // The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access. |
wim | 28:30fa94f7341c | 3669 | if (bl != NC) { |
wim | 28:30fa94f7341c | 3670 | _bl = new DigitalOut(bl); //Construct new pin |
wim | 28:30fa94f7341c | 3671 | _bl->write(0); //Deactivate |
wim | 28:30fa94f7341c | 3672 | } |
wim | 28:30fa94f7341c | 3673 | else { |
wim | 28:30fa94f7341c | 3674 | // No Hardware Backlight pin |
wim | 28:30fa94f7341c | 3675 | _bl = NULL; //Construct dummy pin |
wim | 28:30fa94f7341c | 3676 | } |
wim | 28:30fa94f7341c | 3677 | |
wim | 30:033048611c01 | 3678 | //Sanity check |
wim | 30:033048611c01 | 3679 | if (_ctrl & LCD_C_I2C) { |
wim | 36:9f5f86dfd44a | 3680 | _init(_LCD_DL_8); // Set Datalength to 8 bit for all native serial interfaces |
wim | 30:033048611c01 | 3681 | } |
wim | 30:033048611c01 | 3682 | else { |
wim | 30:033048611c01 | 3683 | error("Error: LCD Controller type does not support native I2C interface\n\r"); |
wim | 30:033048611c01 | 3684 | } |
wim | 28:30fa94f7341c | 3685 | } |
wim | 28:30fa94f7341c | 3686 | |
wim | 28:30fa94f7341c | 3687 | TextLCD_I2C_N::~TextLCD_I2C_N() { |
wim | 28:30fa94f7341c | 3688 | if (_bl != NULL) {delete _bl;} // BL pin |
wim | 28:30fa94f7341c | 3689 | } |
wim | 28:30fa94f7341c | 3690 | |
wim | 28:30fa94f7341c | 3691 | // Not used in this mode |
wim | 28:30fa94f7341c | 3692 | void TextLCD_I2C_N::_setEnable(bool value) { |
wim | 28:30fa94f7341c | 3693 | } |
wim | 28:30fa94f7341c | 3694 | |
wim | 28:30fa94f7341c | 3695 | // Set RS pin |
wim | 28:30fa94f7341c | 3696 | // Used for mbed pins, I2C bus expander or SPI shiftregister and native I2C or SPI |
wim | 28:30fa94f7341c | 3697 | void TextLCD_I2C_N::_setRS(bool value) { |
wim | 30:033048611c01 | 3698 | // The controlbyte defines the meaning of the next byte. This next byte can either be data or command. |
wim | 30:033048611c01 | 3699 | // Start Slaveaddress+RW b7 b6 b5 b4 b3 b2 b1 b0 b7...........b0 Stop |
wim | 30:033048611c01 | 3700 | // Co RS RW 0 0 0 0 0 command or data |
wim | 30:033048611c01 | 3701 | // |
wim | 30:033048611c01 | 3702 | // C0=1 indicates that another controlbyte will follow after the next data or command byte |
wim | 30:033048611c01 | 3703 | // RS=1 means that next byte is data, RS=0 means that next byte is command |
wim | 30:033048611c01 | 3704 | // RW=0 means write to controller. RW=1 means that controller will be read from after the next command. |
wim | 30:033048611c01 | 3705 | // Many native I2C controllers dont support this option and it is not used by this lib. |
wim | 30:033048611c01 | 3706 | // |
wim | 30:033048611c01 | 3707 | |
wim | 28:30fa94f7341c | 3708 | if (value) { |
wim | 28:30fa94f7341c | 3709 | _controlbyte = 0x40; // Next byte is data, No more control bytes will follow |
wim | 28:30fa94f7341c | 3710 | } |
wim | 28:30fa94f7341c | 3711 | else { |
wim | 28:30fa94f7341c | 3712 | _controlbyte = 0x00; // Next byte is command, No more control bytes will follow |
wim | 28:30fa94f7341c | 3713 | } |
wim | 28:30fa94f7341c | 3714 | } |
wim | 28:30fa94f7341c | 3715 | |
wim | 28:30fa94f7341c | 3716 | // Set BL pin |
wim | 28:30fa94f7341c | 3717 | void TextLCD_I2C_N::_setBL(bool value) { |
wim | 28:30fa94f7341c | 3718 | if (_bl) { |
wim | 28:30fa94f7341c | 3719 | _bl->write(value); |
wim | 28:30fa94f7341c | 3720 | } |
wim | 28:30fa94f7341c | 3721 | } |
wim | 29:a3663151aa65 | 3722 | |
wim | 29:a3663151aa65 | 3723 | // Not used in this mode |
wim | 29:a3663151aa65 | 3724 | void TextLCD_I2C_N::_setData(int value) { |
wim | 29:a3663151aa65 | 3725 | } |
wim | 29:a3663151aa65 | 3726 | |
wim | 28:30fa94f7341c | 3727 | // Write a byte using I2C |
wim | 28:30fa94f7341c | 3728 | void TextLCD_I2C_N::_writeByte(int value) { |
wim | 30:033048611c01 | 3729 | // The controlbyte defines the meaning of the next byte. This next byte can either be data or command. |
wim | 30:033048611c01 | 3730 | // Start Slaveaddress+RW b7 b6 b5 b4 b3 b2 b1 b0 b7...........b0 Stop |
wim | 30:033048611c01 | 3731 | // Co RS RW 0 0 0 0 0 command or data |
wim | 30:033048611c01 | 3732 | // |
wim | 30:033048611c01 | 3733 | // C0=1 indicates that another controlbyte will follow after the next data or command byte |
wim | 30:033048611c01 | 3734 | // RS=1 means that next byte is data, RS=0 means that next byte is command |
wim | 30:033048611c01 | 3735 | // RW=0 means write to controller. RW=1 means that controller will be read from after the next command. |
wim | 30:033048611c01 | 3736 | // Many native I2C controllers dont support this option and it is not used by this lib. |
wim | 30:033048611c01 | 3737 | // |
wim | 28:30fa94f7341c | 3738 | char data[] = {_controlbyte, value}; |
wim | 28:30fa94f7341c | 3739 | |
wim | 32:59c4b8f648d4 | 3740 | #if(LCD_I2C_ACK==1) |
wim | 32:59c4b8f648d4 | 3741 | //Controllers that support ACK |
wim | 30:033048611c01 | 3742 | _i2c->write(_slaveAddress, data, 2); |
wim | 32:59c4b8f648d4 | 3743 | #else |
wim | 32:59c4b8f648d4 | 3744 | //Controllers that dont support ACK |
wim | 37:ce348c002929 | 3745 | //Note: This may be issue with some mbed platforms that dont fully/correctly support I2C byte operations. |
wim | 32:59c4b8f648d4 | 3746 | _i2c->start(); |
wim | 32:59c4b8f648d4 | 3747 | _i2c->write(_slaveAddress); |
wim | 32:59c4b8f648d4 | 3748 | _i2c->write(data[0]); |
wim | 32:59c4b8f648d4 | 3749 | _i2c->write(data[1]); |
wim | 32:59c4b8f648d4 | 3750 | _i2c->stop(); |
wim | 32:59c4b8f648d4 | 3751 | #endif |
wim | 28:30fa94f7341c | 3752 | } |
wim | 34:e5a0dcb43ecc | 3753 | #endif /* Native I2C */ |
wim | 28:30fa94f7341c | 3754 | //-------- End TextLCD_I2C_N ------------ |
wim | 28:30fa94f7341c | 3755 | |
wim | 28:30fa94f7341c | 3756 | |
wim | 25:6162b31128c9 | 3757 | //--------- Start TextLCD_SPI_N --------- |
wim | 34:e5a0dcb43ecc | 3758 | #if(LCD_SPI_N == 1) /* Native SPI bus */ |
wim | 30:033048611c01 | 3759 | /** Create a TextLCD interface using a controller with a native SPI4 interface |
Sissors | 24:fb3399713710 | 3760 | * |
Sissors | 24:fb3399713710 | 3761 | * @param spi SPI Bus |
Sissors | 24:fb3399713710 | 3762 | * @param cs chip select pin (active low) |
wim | 25:6162b31128c9 | 3763 | * @param rs Instruction/data control line |
Sissors | 24:fb3399713710 | 3764 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
wim | 25:6162b31128c9 | 3765 | * @param bl Backlight control line (optional, default = NC) |
wim | 26:bd897a001012 | 3766 | * @param ctrl LCD controller (default = ST7032_3V3) |
wim | 25:6162b31128c9 | 3767 | */ |
wim | 25:6162b31128c9 | 3768 | TextLCD_SPI_N::TextLCD_SPI_N(SPI *spi, PinName cs, PinName rs, LCDType type, PinName bl, LCDCtrl ctrl) : |
wim | 25:6162b31128c9 | 3769 | TextLCD_Base(type, ctrl), |
wim | 25:6162b31128c9 | 3770 | _spi(spi), |
wim | 25:6162b31128c9 | 3771 | _cs(cs), |
wim | 25:6162b31128c9 | 3772 | _rs(rs) { |
Sissors | 24:fb3399713710 | 3773 | |
wim | 32:59c4b8f648d4 | 3774 | // Init CS |
wim | 32:59c4b8f648d4 | 3775 | _cs = 1; |
wim | 32:59c4b8f648d4 | 3776 | |
wim | 36:9f5f86dfd44a | 3777 | // Setup the spi for 8 bit data, high steady state clock, |
wim | 36:9f5f86dfd44a | 3778 | // rising edge capture, with a 500KHz or 1MHz clock rate |
wim | 36:9f5f86dfd44a | 3779 | // _spi->format(8,3); |
wim | 37:ce348c002929 | 3780 | // _spi->frequency(500000); |
wim | 36:9f5f86dfd44a | 3781 | // _spi->frequency(1000000); |
wim | 36:9f5f86dfd44a | 3782 | |
Sissors | 24:fb3399713710 | 3783 | // Setup the spi for 8 bit data, low steady state clock, |
Sissors | 24:fb3399713710 | 3784 | // rising edge capture, with a 500KHz or 1MHz clock rate |
Sissors | 24:fb3399713710 | 3785 | _spi->format(8,0); |
wim | 36:9f5f86dfd44a | 3786 | // _spi->frequency(500000); |
Sissors | 24:fb3399713710 | 3787 | _spi->frequency(1000000); |
wim | 36:9f5f86dfd44a | 3788 | |
Sissors | 24:fb3399713710 | 3789 | // The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access. |
Sissors | 24:fb3399713710 | 3790 | if (bl != NC) { |
Sissors | 24:fb3399713710 | 3791 | _bl = new DigitalOut(bl); //Construct new pin |
Sissors | 24:fb3399713710 | 3792 | _bl->write(0); //Deactivate |
Sissors | 24:fb3399713710 | 3793 | } |
Sissors | 24:fb3399713710 | 3794 | else { |
Sissors | 24:fb3399713710 | 3795 | // No Hardware Backlight pin |
Sissors | 24:fb3399713710 | 3796 | _bl = NULL; //Construct dummy pin |
Sissors | 24:fb3399713710 | 3797 | } |
wim | 30:033048611c01 | 3798 | |
wim | 30:033048611c01 | 3799 | //Sanity check |
wim | 30:033048611c01 | 3800 | if (_ctrl & LCD_C_SPI4) { |
wim | 36:9f5f86dfd44a | 3801 | _init(_LCD_DL_8); // Set Datalength to 8 bit for all native serial interfaces |
wim | 36:9f5f86dfd44a | 3802 | // ST7070 must set datalength to 8 bits! |
wim | 30:033048611c01 | 3803 | } |
wim | 30:033048611c01 | 3804 | else { |
wim | 30:033048611c01 | 3805 | error("Error: LCD Controller type does not support native SPI4 interface\n\r"); |
wim | 30:033048611c01 | 3806 | } |
Sissors | 24:fb3399713710 | 3807 | } |
Sissors | 24:fb3399713710 | 3808 | |
wim | 25:6162b31128c9 | 3809 | TextLCD_SPI_N::~TextLCD_SPI_N() { |
Sissors | 24:fb3399713710 | 3810 | if (_bl != NULL) {delete _bl;} // BL pin |
Sissors | 24:fb3399713710 | 3811 | } |
Sissors | 24:fb3399713710 | 3812 | |
Sissors | 24:fb3399713710 | 3813 | // Not used in this mode |
wim | 25:6162b31128c9 | 3814 | void TextLCD_SPI_N::_setEnable(bool value) { |
Sissors | 24:fb3399713710 | 3815 | } |
Sissors | 24:fb3399713710 | 3816 | |
Sissors | 24:fb3399713710 | 3817 | // Set RS pin |
wim | 36:9f5f86dfd44a | 3818 | // Used for mbed pins, I2C bus expander or SPI shiftregister, SPI_N |
wim | 25:6162b31128c9 | 3819 | void TextLCD_SPI_N::_setRS(bool value) { |
Sissors | 24:fb3399713710 | 3820 | _rs = value; |
Sissors | 24:fb3399713710 | 3821 | } |
Sissors | 24:fb3399713710 | 3822 | |
Sissors | 24:fb3399713710 | 3823 | // Set BL pin |
wim | 25:6162b31128c9 | 3824 | void TextLCD_SPI_N::_setBL(bool value) { |
wim | 26:bd897a001012 | 3825 | if (_bl) { |
Sissors | 24:fb3399713710 | 3826 | _bl->write(value); |
wim | 26:bd897a001012 | 3827 | } |
Sissors | 24:fb3399713710 | 3828 | } |
Sissors | 24:fb3399713710 | 3829 | |
wim | 29:a3663151aa65 | 3830 | // Not used in this mode |
wim | 29:a3663151aa65 | 3831 | void TextLCD_SPI_N::_setData(int value) { |
wim | 29:a3663151aa65 | 3832 | } |
wim | 29:a3663151aa65 | 3833 | |
Sissors | 24:fb3399713710 | 3834 | // Write a byte using SPI |
wim | 25:6162b31128c9 | 3835 | void TextLCD_SPI_N::_writeByte(int value) { |
Sissors | 24:fb3399713710 | 3836 | _cs = 0; |
Sissors | 24:fb3399713710 | 3837 | wait_us(1); |
Sissors | 24:fb3399713710 | 3838 | _spi->write(value); |
Sissors | 24:fb3399713710 | 3839 | wait_us(1); |
Sissors | 24:fb3399713710 | 3840 | _cs = 1; |
Sissors | 24:fb3399713710 | 3841 | } |
wim | 34:e5a0dcb43ecc | 3842 | #endif /* Native SPI bus */ |
wim | 25:6162b31128c9 | 3843 | //-------- End TextLCD_SPI_N ------------ |
wim | 21:9eb628d9e164 | 3844 | |
wim | 21:9eb628d9e164 | 3845 | |
wim | 36:9f5f86dfd44a | 3846 | //-------- Start TextLCD_SPI_N_3_8 -------- |
wim | 36:9f5f86dfd44a | 3847 | #if(LCD_SPI_N_3_8 == 1) /* Native SPI bus */ |
wim | 36:9f5f86dfd44a | 3848 | |
wim | 36:9f5f86dfd44a | 3849 | /** Create a TextLCD interface using a controller with a native SPI3 8 bits interface |
wim | 36:9f5f86dfd44a | 3850 | * This mode is supported by ST7070. Note that implementation in TexTLCD is not very efficient due to |
wim | 36:9f5f86dfd44a | 3851 | * structure of the TextLCD library: each databyte is written separately and requires a separate 'count command' set to 1 byte. |
wim | 36:9f5f86dfd44a | 3852 | * |
wim | 36:9f5f86dfd44a | 3853 | * @param spi SPI Bus |
wim | 36:9f5f86dfd44a | 3854 | * @param cs chip select pin (active low) |
wim | 36:9f5f86dfd44a | 3855 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
wim | 36:9f5f86dfd44a | 3856 | * @param bl Backlight control line (optional, default = NC) |
wim | 36:9f5f86dfd44a | 3857 | * @param ctrl LCD controller (default = ST7070) |
wim | 36:9f5f86dfd44a | 3858 | */ |
wim | 36:9f5f86dfd44a | 3859 | TextLCD_SPI_N_3_8::TextLCD_SPI_N_3_8(SPI *spi, PinName cs, LCDType type, PinName bl, LCDCtrl ctrl) : |
wim | 36:9f5f86dfd44a | 3860 | TextLCD_Base(type, ctrl), |
wim | 36:9f5f86dfd44a | 3861 | _spi(spi), |
wim | 36:9f5f86dfd44a | 3862 | _cs(cs) { |
wim | 36:9f5f86dfd44a | 3863 | |
wim | 36:9f5f86dfd44a | 3864 | // Init CS |
wim | 36:9f5f86dfd44a | 3865 | _cs = 1; |
wim | 36:9f5f86dfd44a | 3866 | |
wim | 36:9f5f86dfd44a | 3867 | // Setup the spi for 8 bit data, high steady state clock, |
wim | 36:9f5f86dfd44a | 3868 | // rising edge capture, with a 500KHz or 1MHz clock rate |
wim | 36:9f5f86dfd44a | 3869 | // _spi->format(8,3); |
wim | 37:ce348c002929 | 3870 | // _spi->frequency(500000); |
wim | 36:9f5f86dfd44a | 3871 | // _spi->frequency(1000000); |
wim | 36:9f5f86dfd44a | 3872 | |
wim | 36:9f5f86dfd44a | 3873 | // Setup the spi for 8 bit data, low steady state clock, |
wim | 36:9f5f86dfd44a | 3874 | // rising edge capture, with a 500KHz or 1MHz clock rate |
wim | 36:9f5f86dfd44a | 3875 | _spi->format(8,0); |
wim | 36:9f5f86dfd44a | 3876 | // _spi->frequency(500000); |
wim | 36:9f5f86dfd44a | 3877 | _spi->frequency(1000000); |
wim | 36:9f5f86dfd44a | 3878 | |
wim | 36:9f5f86dfd44a | 3879 | |
wim | 36:9f5f86dfd44a | 3880 | // The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access. |
wim | 36:9f5f86dfd44a | 3881 | if (bl != NC) { |
wim | 36:9f5f86dfd44a | 3882 | _bl = new DigitalOut(bl); //Construct new pin |
wim | 36:9f5f86dfd44a | 3883 | _bl->write(0); //Deactivate |
wim | 36:9f5f86dfd44a | 3884 | } |
wim | 36:9f5f86dfd44a | 3885 | else { |
wim | 36:9f5f86dfd44a | 3886 | // No Hardware Backlight pin |
wim | 36:9f5f86dfd44a | 3887 | _bl = NULL; //Construct dummy pin |
wim | 36:9f5f86dfd44a | 3888 | } |
wim | 36:9f5f86dfd44a | 3889 | |
wim | 36:9f5f86dfd44a | 3890 | //Sanity check |
wim | 36:9f5f86dfd44a | 3891 | if (_ctrl & LCD_C_SPI3_8) { |
wim | 36:9f5f86dfd44a | 3892 | _init(_LCD_DL_8); // Set Datalength to 8 bit for all native serial interfaces |
wim | 36:9f5f86dfd44a | 3893 | } |
wim | 36:9f5f86dfd44a | 3894 | else { |
wim | 36:9f5f86dfd44a | 3895 | error("Error: LCD Controller type does not support native SPI3 8 bits interface\n\r"); |
wim | 36:9f5f86dfd44a | 3896 | } |
wim | 36:9f5f86dfd44a | 3897 | } |
wim | 36:9f5f86dfd44a | 3898 | |
wim | 36:9f5f86dfd44a | 3899 | TextLCD_SPI_N_3_8::~TextLCD_SPI_N_3_8() { |
wim | 36:9f5f86dfd44a | 3900 | if (_bl != NULL) {delete _bl;} // BL pin |
wim | 36:9f5f86dfd44a | 3901 | } |
wim | 36:9f5f86dfd44a | 3902 | |
wim | 36:9f5f86dfd44a | 3903 | // Not used in this mode |
wim | 36:9f5f86dfd44a | 3904 | void TextLCD_SPI_N_3_8::_setEnable(bool value) { |
wim | 36:9f5f86dfd44a | 3905 | } |
wim | 36:9f5f86dfd44a | 3906 | |
wim | 36:9f5f86dfd44a | 3907 | // Used for mbed pins, I2C bus expander or SPI shiftregister, SPI_N |
wim | 36:9f5f86dfd44a | 3908 | // RS=1 means that next byte is data, RS=0 means that next byte is command |
wim | 36:9f5f86dfd44a | 3909 | void TextLCD_SPI_N_3_8::_setRS(bool value) { |
wim | 36:9f5f86dfd44a | 3910 | |
wim | 36:9f5f86dfd44a | 3911 | if (value) { |
wim | 36:9f5f86dfd44a | 3912 | _controlbyte = 0x01; // Next byte is data, No more control bytes will follow |
wim | 36:9f5f86dfd44a | 3913 | } |
wim | 36:9f5f86dfd44a | 3914 | else { |
wim | 36:9f5f86dfd44a | 3915 | _controlbyte = 0x00; // Next byte is command, No more control bytes will follow |
wim | 36:9f5f86dfd44a | 3916 | } |
wim | 36:9f5f86dfd44a | 3917 | } |
wim | 36:9f5f86dfd44a | 3918 | |
wim | 36:9f5f86dfd44a | 3919 | // Set BL pin |
wim | 36:9f5f86dfd44a | 3920 | void TextLCD_SPI_N_3_8::_setBL(bool value) { |
wim | 36:9f5f86dfd44a | 3921 | if (_bl) { |
wim | 36:9f5f86dfd44a | 3922 | _bl->write(value); |
wim | 36:9f5f86dfd44a | 3923 | } |
wim | 36:9f5f86dfd44a | 3924 | } |
wim | 36:9f5f86dfd44a | 3925 | |
wim | 36:9f5f86dfd44a | 3926 | // Not used in this mode |
wim | 36:9f5f86dfd44a | 3927 | void TextLCD_SPI_N_3_8::_setData(int value) { |
wim | 36:9f5f86dfd44a | 3928 | } |
wim | 36:9f5f86dfd44a | 3929 | |
wim | 36:9f5f86dfd44a | 3930 | // Write a byte using SPI3 8 bits mode (ST7070) |
wim | 36:9f5f86dfd44a | 3931 | void TextLCD_SPI_N_3_8::_writeByte(int value) { |
wim | 36:9f5f86dfd44a | 3932 | |
wim | 36:9f5f86dfd44a | 3933 | if (_controlbyte == 0x00) { // Byte is command |
wim | 36:9f5f86dfd44a | 3934 | _cs = 0; |
wim | 36:9f5f86dfd44a | 3935 | wait_us(1); |
wim | 36:9f5f86dfd44a | 3936 | _spi->write(value); |
wim | 36:9f5f86dfd44a | 3937 | wait_us(1); |
wim | 36:9f5f86dfd44a | 3938 | _cs = 1; |
wim | 36:9f5f86dfd44a | 3939 | } |
wim | 36:9f5f86dfd44a | 3940 | else { // Byte is data |
wim | 36:9f5f86dfd44a | 3941 | // Select Extended Instr Set |
wim | 36:9f5f86dfd44a | 3942 | _cs = 0; |
wim | 36:9f5f86dfd44a | 3943 | wait_us(1); |
wim | 36:9f5f86dfd44a | 3944 | _spi->write(0x20 | _function | 0x04); // Set function, 0 0 1 DL N EXT=1 x x (Select Instr Set = 1)); |
wim | 36:9f5f86dfd44a | 3945 | wait_us(1); |
wim | 36:9f5f86dfd44a | 3946 | _cs = 1; |
wim | 36:9f5f86dfd44a | 3947 | |
wim | 36:9f5f86dfd44a | 3948 | wait_us(40); // Wait until command has finished... |
wim | 36:9f5f86dfd44a | 3949 | |
wim | 36:9f5f86dfd44a | 3950 | // Set Count to 1 databyte |
wim | 36:9f5f86dfd44a | 3951 | _cs = 0; |
wim | 36:9f5f86dfd44a | 3952 | wait_us(1); |
wim | 36:9f5f86dfd44a | 3953 | _spi->write(0x80); // Set display data length, 1 L6 L5 L4 L3 L2 L1 L0 (Instr Set = 1) |
wim | 36:9f5f86dfd44a | 3954 | wait_us(1); |
wim | 36:9f5f86dfd44a | 3955 | _cs = 1; |
wim | 36:9f5f86dfd44a | 3956 | |
wim | 36:9f5f86dfd44a | 3957 | wait_us(40); |
wim | 36:9f5f86dfd44a | 3958 | |
wim | 36:9f5f86dfd44a | 3959 | // Write 1 databyte |
wim | 36:9f5f86dfd44a | 3960 | _cs = 0; |
wim | 36:9f5f86dfd44a | 3961 | wait_us(1); |
wim | 36:9f5f86dfd44a | 3962 | _spi->write(value); // Write data (Instr Set = 1) |
wim | 36:9f5f86dfd44a | 3963 | wait_us(1); |
wim | 36:9f5f86dfd44a | 3964 | _cs = 1; |
wim | 36:9f5f86dfd44a | 3965 | |
wim | 36:9f5f86dfd44a | 3966 | wait_us(40); |
wim | 36:9f5f86dfd44a | 3967 | |
wim | 36:9f5f86dfd44a | 3968 | // Select Standard Instr Set |
wim | 36:9f5f86dfd44a | 3969 | _cs = 0; |
wim | 36:9f5f86dfd44a | 3970 | wait_us(1); |
wim | 36:9f5f86dfd44a | 3971 | _spi->write(0x20 | _function); // Set function, 0 0 1 DL N EXT=0 x x (Select Instr Set = 0)); |
wim | 36:9f5f86dfd44a | 3972 | wait_us(1); |
wim | 36:9f5f86dfd44a | 3973 | _cs = 1; |
wim | 36:9f5f86dfd44a | 3974 | } |
wim | 36:9f5f86dfd44a | 3975 | } |
wim | 36:9f5f86dfd44a | 3976 | #endif /* Native SPI bus */ |
wim | 36:9f5f86dfd44a | 3977 | //------- End TextLCD_SPI_N_3_8 ----------- |
wim | 36:9f5f86dfd44a | 3978 | |
wim | 36:9f5f86dfd44a | 3979 | |
wim | 30:033048611c01 | 3980 | //-------- Start TextLCD_SPI_N_3_9 -------- |
wim | 34:e5a0dcb43ecc | 3981 | #if(LCD_SPI_N_3_9 == 1) /* Native SPI bus */ |
wim | 34:e5a0dcb43ecc | 3982 | //Code checked out on logic analyser. Not yet tested on hardware.. |
wim | 30:033048611c01 | 3983 | |
wim | 30:033048611c01 | 3984 | /** Create a TextLCD interface using a controller with a native SPI3 9 bits interface |
wim | 30:033048611c01 | 3985 | * |
wim | 30:033048611c01 | 3986 | * @param spi SPI Bus |
wim | 30:033048611c01 | 3987 | * @param cs chip select pin (active low) |
wim | 30:033048611c01 | 3988 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
wim | 30:033048611c01 | 3989 | * @param bl Backlight control line (optional, default = NC) |
wim | 30:033048611c01 | 3990 | * @param ctrl LCD controller (default = AIP31068) |
wim | 30:033048611c01 | 3991 | */ |
wim | 30:033048611c01 | 3992 | TextLCD_SPI_N_3_9::TextLCD_SPI_N_3_9(SPI *spi, PinName cs, LCDType type, PinName bl, LCDCtrl ctrl) : |
wim | 30:033048611c01 | 3993 | TextLCD_Base(type, ctrl), |
wim | 30:033048611c01 | 3994 | _spi(spi), |
wim | 33:900a94bc7585 | 3995 | _cs(cs) { |
wim | 32:59c4b8f648d4 | 3996 | |
wim | 32:59c4b8f648d4 | 3997 | // Init CS |
wim | 32:59c4b8f648d4 | 3998 | _cs = 1; |
wim | 32:59c4b8f648d4 | 3999 | |
wim | 34:e5a0dcb43ecc | 4000 | // Setup the spi for 9 bit data, high steady state clock, |
wim | 30:033048611c01 | 4001 | // rising edge capture, with a 500KHz or 1MHz clock rate |
wim | 32:59c4b8f648d4 | 4002 | _spi->format(9,3); |
wim | 30:033048611c01 | 4003 | _spi->frequency(1000000); |
wim | 30:033048611c01 | 4004 | |
wim | 30:033048611c01 | 4005 | // The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access. |
wim | 30:033048611c01 | 4006 | if (bl != NC) { |
wim | 30:033048611c01 | 4007 | _bl = new DigitalOut(bl); //Construct new pin |
wim | 30:033048611c01 | 4008 | _bl->write(0); //Deactivate |
wim | 30:033048611c01 | 4009 | } |
wim | 30:033048611c01 | 4010 | else { |
wim | 30:033048611c01 | 4011 | // No Hardware Backlight pin |
wim | 30:033048611c01 | 4012 | _bl = NULL; //Construct dummy pin |
wim | 30:033048611c01 | 4013 | } |
wim | 30:033048611c01 | 4014 | |
wim | 30:033048611c01 | 4015 | //Sanity check |
wim | 36:9f5f86dfd44a | 4016 | if (_ctrl & LCD_C_SPI3_9) { |
wim | 36:9f5f86dfd44a | 4017 | _init(_LCD_DL_8); // Set Datalength to 8 bit for all native serial interfaces |
wim | 30:033048611c01 | 4018 | } |
wim | 30:033048611c01 | 4019 | else { |
wim | 30:033048611c01 | 4020 | error("Error: LCD Controller type does not support native SPI3 9 bits interface\n\r"); |
wim | 30:033048611c01 | 4021 | } |
wim | 30:033048611c01 | 4022 | } |
wim | 30:033048611c01 | 4023 | |
wim | 30:033048611c01 | 4024 | TextLCD_SPI_N_3_9::~TextLCD_SPI_N_3_9() { |
wim | 30:033048611c01 | 4025 | if (_bl != NULL) {delete _bl;} // BL pin |
wim | 30:033048611c01 | 4026 | } |
wim | 30:033048611c01 | 4027 | |
wim | 30:033048611c01 | 4028 | // Not used in this mode |
wim | 30:033048611c01 | 4029 | void TextLCD_SPI_N_3_9::_setEnable(bool value) { |
wim | 30:033048611c01 | 4030 | } |
wim | 30:033048611c01 | 4031 | |
wim | 30:033048611c01 | 4032 | // Set RS pin |
wim | 30:033048611c01 | 4033 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
wim | 30:033048611c01 | 4034 | void TextLCD_SPI_N_3_9::_setRS(bool value) { |
wim | 30:033048611c01 | 4035 | // The controlbits define the meaning of the next byte. This next byte can either be data or command. |
wim | 30:033048611c01 | 4036 | // b8 b7...........b0 |
wim | 30:033048611c01 | 4037 | // RS command or data |
wim | 30:033048611c01 | 4038 | // |
wim | 30:033048611c01 | 4039 | // RS=1 means that next byte is data, RS=0 means that next byte is command |
wim | 30:033048611c01 | 4040 | // |
wim | 30:033048611c01 | 4041 | |
wim | 30:033048611c01 | 4042 | if (value) { |
wim | 30:033048611c01 | 4043 | _controlbyte = 0x01; // Next byte is data |
wim | 30:033048611c01 | 4044 | } |
wim | 30:033048611c01 | 4045 | else { |
wim | 30:033048611c01 | 4046 | _controlbyte = 0x00; // Next byte is command |
wim | 34:e5a0dcb43ecc | 4047 | } |
wim | 30:033048611c01 | 4048 | } |
wim | 30:033048611c01 | 4049 | |
wim | 30:033048611c01 | 4050 | // Set BL pin |
wim | 30:033048611c01 | 4051 | void TextLCD_SPI_N_3_9::_setBL(bool value) { |
wim | 30:033048611c01 | 4052 | if (_bl) { |
wim | 30:033048611c01 | 4053 | _bl->write(value); |
wim | 30:033048611c01 | 4054 | } |
wim | 30:033048611c01 | 4055 | } |
wim | 30:033048611c01 | 4056 | |
wim | 30:033048611c01 | 4057 | // Not used in this mode |
wim | 30:033048611c01 | 4058 | void TextLCD_SPI_N_3_9::_setData(int value) { |
wim | 30:033048611c01 | 4059 | } |
wim | 30:033048611c01 | 4060 | |
wim | 30:033048611c01 | 4061 | // Write a byte using SPI3 9 bits mode |
wim | 30:033048611c01 | 4062 | void TextLCD_SPI_N_3_9::_writeByte(int value) { |
wim | 30:033048611c01 | 4063 | _cs = 0; |
wim | 30:033048611c01 | 4064 | wait_us(1); |
wim | 30:033048611c01 | 4065 | _spi->write( (_controlbyte << 8) | (value & 0xFF)); |
wim | 30:033048611c01 | 4066 | wait_us(1); |
wim | 30:033048611c01 | 4067 | _cs = 1; |
wim | 30:033048611c01 | 4068 | } |
wim | 34:e5a0dcb43ecc | 4069 | #endif /* Native SPI bus */ |
wim | 30:033048611c01 | 4070 | //------- End TextLCD_SPI_N_3_9 ----------- |
wim | 34:e5a0dcb43ecc | 4071 | |
wim | 34:e5a0dcb43ecc | 4072 | |
wim | 30:033048611c01 | 4073 | //------- Start TextLCD_SPI_N_3_10 -------- |
wim | 34:e5a0dcb43ecc | 4074 | #if(LCD_SPI_N_3_10 == 1) /* Native SPI bus */ |
wim | 30:033048611c01 | 4075 | |
wim | 30:033048611c01 | 4076 | /** Create a TextLCD interface using a controller with a native SPI3 10 bits interface |
wim | 30:033048611c01 | 4077 | * |
wim | 30:033048611c01 | 4078 | * @param spi SPI Bus |
wim | 30:033048611c01 | 4079 | * @param cs chip select pin (active low) |
wim | 30:033048611c01 | 4080 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
wim | 30:033048611c01 | 4081 | * @param bl Backlight control line (optional, default = NC) |
wim | 30:033048611c01 | 4082 | * @param ctrl LCD controller (default = AIP31068) |
wim | 30:033048611c01 | 4083 | */ |
wim | 30:033048611c01 | 4084 | TextLCD_SPI_N_3_10::TextLCD_SPI_N_3_10(SPI *spi, PinName cs, LCDType type, PinName bl, LCDCtrl ctrl) : |
wim | 30:033048611c01 | 4085 | TextLCD_Base(type, ctrl), |
wim | 30:033048611c01 | 4086 | _spi(spi), |
wim | 30:033048611c01 | 4087 | _cs(cs) { |
wim | 30:033048611c01 | 4088 | |
wim | 32:59c4b8f648d4 | 4089 | // Init CS |
wim | 32:59c4b8f648d4 | 4090 | _cs = 1; |
wim | 32:59c4b8f648d4 | 4091 | |
wim | 30:033048611c01 | 4092 | // Setup the spi for 10 bit data, low steady state clock, |
wim | 30:033048611c01 | 4093 | // rising edge capture, with a 500KHz or 1MHz clock rate |
wim | 30:033048611c01 | 4094 | _spi->format(10,0); |
wim | 30:033048611c01 | 4095 | _spi->frequency(1000000); |
wim | 30:033048611c01 | 4096 | |
wim | 30:033048611c01 | 4097 | // The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access. |
wim | 30:033048611c01 | 4098 | if (bl != NC) { |
wim | 30:033048611c01 | 4099 | _bl = new DigitalOut(bl); //Construct new pin |
wim | 30:033048611c01 | 4100 | _bl->write(0); //Deactivate |
wim | 30:033048611c01 | 4101 | } |
wim | 30:033048611c01 | 4102 | else { |
wim | 30:033048611c01 | 4103 | // No Hardware Backlight pin |
wim | 30:033048611c01 | 4104 | _bl = NULL; //Construct dummy pin |
wim | 30:033048611c01 | 4105 | } |
wim | 30:033048611c01 | 4106 | |
wim | 30:033048611c01 | 4107 | //Sanity check |
wim | 30:033048611c01 | 4108 | if (_ctrl & LCD_C_SPI3_10) { |
wim | 36:9f5f86dfd44a | 4109 | _init(_LCD_DL_8); // Set Datalength to 8 bit for all native serial interfaces |
wim | 30:033048611c01 | 4110 | } |
wim | 30:033048611c01 | 4111 | else { |
wim | 30:033048611c01 | 4112 | error("Error: LCD Controller type does not support native SPI3 10 bits interface\n\r"); |
wim | 30:033048611c01 | 4113 | } |
wim | 30:033048611c01 | 4114 | } |
wim | 30:033048611c01 | 4115 | |
wim | 30:033048611c01 | 4116 | TextLCD_SPI_N_3_10::~TextLCD_SPI_N_3_10() { |
wim | 30:033048611c01 | 4117 | if (_bl != NULL) {delete _bl;} // BL pin |
wim | 30:033048611c01 | 4118 | } |
wim | 30:033048611c01 | 4119 | |
wim | 30:033048611c01 | 4120 | // Not used in this mode |
wim | 30:033048611c01 | 4121 | void TextLCD_SPI_N_3_10::_setEnable(bool value) { |
wim | 30:033048611c01 | 4122 | } |
wim | 30:033048611c01 | 4123 | |
wim | 30:033048611c01 | 4124 | // Set RS pin |
wim | 30:033048611c01 | 4125 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
wim | 30:033048611c01 | 4126 | void TextLCD_SPI_N_3_10::_setRS(bool value) { |
wim | 30:033048611c01 | 4127 | // The controlbits define the meaning of the next byte. This next byte can either be data or command. |
wim | 30:033048611c01 | 4128 | // b9 b8 b7...........b0 |
wim | 30:033048611c01 | 4129 | // RS RW command or data |
wim | 30:033048611c01 | 4130 | // |
wim | 30:033048611c01 | 4131 | // RS=1 means that next byte is data, RS=0 means that next byte is command |
wim | 30:033048611c01 | 4132 | // RW=0 means that next byte is writen, RW=1 means that next byte is read (not used in this lib) |
wim | 30:033048611c01 | 4133 | // |
wim | 30:033048611c01 | 4134 | |
wim | 30:033048611c01 | 4135 | if (value) { |
wim | 30:033048611c01 | 4136 | _controlbyte = 0x02; // Next byte is data |
wim | 30:033048611c01 | 4137 | } |
wim | 30:033048611c01 | 4138 | else { |
wim | 30:033048611c01 | 4139 | _controlbyte = 0x00; // Next byte is command |
wim | 34:e5a0dcb43ecc | 4140 | } |
wim | 30:033048611c01 | 4141 | } |
wim | 30:033048611c01 | 4142 | |
wim | 30:033048611c01 | 4143 | // Set BL pin |
wim | 30:033048611c01 | 4144 | void TextLCD_SPI_N_3_10::_setBL(bool value) { |
wim | 30:033048611c01 | 4145 | if (_bl) { |
wim | 30:033048611c01 | 4146 | _bl->write(value); |
wim | 30:033048611c01 | 4147 | } |
wim | 30:033048611c01 | 4148 | } |
wim | 30:033048611c01 | 4149 | |
wim | 30:033048611c01 | 4150 | // Not used in this mode |
wim | 30:033048611c01 | 4151 | void TextLCD_SPI_N_3_10::_setData(int value) { |
wim | 30:033048611c01 | 4152 | } |
wim | 30:033048611c01 | 4153 | |
wim | 30:033048611c01 | 4154 | // Write a byte using SPI3 10 bits mode |
wim | 30:033048611c01 | 4155 | void TextLCD_SPI_N_3_10::_writeByte(int value) { |
wim | 30:033048611c01 | 4156 | _cs = 0; |
wim | 30:033048611c01 | 4157 | wait_us(1); |
wim | 30:033048611c01 | 4158 | _spi->write( (_controlbyte << 8) | (value & 0xFF)); |
wim | 30:033048611c01 | 4159 | wait_us(1); |
wim | 30:033048611c01 | 4160 | _cs = 1; |
wim | 30:033048611c01 | 4161 | } |
wim | 34:e5a0dcb43ecc | 4162 | #endif /* Native SPI bus */ |
wim | 30:033048611c01 | 4163 | //------- End TextLCD_SPI_N_3_10 ---------- |
wim | 34:e5a0dcb43ecc | 4164 | |
wim | 32:59c4b8f648d4 | 4165 | |
wim | 32:59c4b8f648d4 | 4166 | //------- Start TextLCD_SPI_N_3_16 -------- |
wim | 34:e5a0dcb43ecc | 4167 | #if(LCD_SPI_N_3_16 == 1) /* Native SPI bus */ |
wim | 32:59c4b8f648d4 | 4168 | |
wim | 32:59c4b8f648d4 | 4169 | /** Create a TextLCD interface using a controller with a native SPI3 16 bits interface |
wim | 32:59c4b8f648d4 | 4170 | * |
wim | 32:59c4b8f648d4 | 4171 | * @param spi SPI Bus |
wim | 32:59c4b8f648d4 | 4172 | * @param cs chip select pin (active low) |
wim | 32:59c4b8f648d4 | 4173 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
wim | 32:59c4b8f648d4 | 4174 | * @param bl Backlight control line (optional, default = NC) |
wim | 32:59c4b8f648d4 | 4175 | * @param ctrl LCD controller (default = PT6314) |
wim | 32:59c4b8f648d4 | 4176 | */ |
wim | 32:59c4b8f648d4 | 4177 | TextLCD_SPI_N_3_16::TextLCD_SPI_N_3_16(SPI *spi, PinName cs, LCDType type, PinName bl, LCDCtrl ctrl) : |
wim | 32:59c4b8f648d4 | 4178 | TextLCD_Base(type, ctrl), |
wim | 32:59c4b8f648d4 | 4179 | _spi(spi), |
wim | 32:59c4b8f648d4 | 4180 | _cs(cs) { |
wim | 32:59c4b8f648d4 | 4181 | |
wim | 32:59c4b8f648d4 | 4182 | // Init CS |
wim | 32:59c4b8f648d4 | 4183 | _cs = 1; |
wim | 32:59c4b8f648d4 | 4184 | |
wim | 32:59c4b8f648d4 | 4185 | // Setup the spi for 8 bit data, low steady state clock, |
wim | 32:59c4b8f648d4 | 4186 | // rising edge capture, with a 500KHz or 1MHz clock rate |
wim | 32:59c4b8f648d4 | 4187 | _spi->format(8,0); |
wim | 32:59c4b8f648d4 | 4188 | _spi->frequency(1000000); |
wim | 32:59c4b8f648d4 | 4189 | |
wim | 32:59c4b8f648d4 | 4190 | // The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access. |
wim | 32:59c4b8f648d4 | 4191 | if (bl != NC) { |
wim | 32:59c4b8f648d4 | 4192 | _bl = new DigitalOut(bl); //Construct new pin |
wim | 32:59c4b8f648d4 | 4193 | _bl->write(0); //Deactivate |
wim | 32:59c4b8f648d4 | 4194 | } |
wim | 32:59c4b8f648d4 | 4195 | else { |
wim | 32:59c4b8f648d4 | 4196 | // No Hardware Backlight pin |
wim | 32:59c4b8f648d4 | 4197 | _bl = NULL; //Construct dummy pin |
wim | 32:59c4b8f648d4 | 4198 | } |
wim | 32:59c4b8f648d4 | 4199 | |
wim | 32:59c4b8f648d4 | 4200 | //Sanity check |
wim | 32:59c4b8f648d4 | 4201 | if (_ctrl & LCD_C_SPI3_16) { |
wim | 36:9f5f86dfd44a | 4202 | _init(_LCD_DL_8); // Set Datalength to 8 bit for all native serial interfaces |
wim | 32:59c4b8f648d4 | 4203 | } |
wim | 32:59c4b8f648d4 | 4204 | else { |
wim | 32:59c4b8f648d4 | 4205 | error("Error: LCD Controller type does not support native SPI3 16 bits interface\n\r"); |
wim | 32:59c4b8f648d4 | 4206 | } |
wim | 32:59c4b8f648d4 | 4207 | } |
wim | 32:59c4b8f648d4 | 4208 | |
wim | 32:59c4b8f648d4 | 4209 | TextLCD_SPI_N_3_16::~TextLCD_SPI_N_3_16() { |
wim | 32:59c4b8f648d4 | 4210 | if (_bl != NULL) {delete _bl;} // BL pin |
wim | 32:59c4b8f648d4 | 4211 | } |
wim | 32:59c4b8f648d4 | 4212 | |
wim | 32:59c4b8f648d4 | 4213 | // Not used in this mode |
wim | 32:59c4b8f648d4 | 4214 | void TextLCD_SPI_N_3_16::_setEnable(bool value) { |
wim | 32:59c4b8f648d4 | 4215 | } |
wim | 32:59c4b8f648d4 | 4216 | |
wim | 32:59c4b8f648d4 | 4217 | // Set RS pin |
wim | 32:59c4b8f648d4 | 4218 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
wim | 32:59c4b8f648d4 | 4219 | void TextLCD_SPI_N_3_16::_setRS(bool value) { |
wim | 32:59c4b8f648d4 | 4220 | // 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 | 4221 | // The 8 actual bits represent either a data or a command byte. |
wim | 32:59c4b8f648d4 | 4222 | // b15 b14 b13 b12 b11 b10 b9 b8 - b7 b6 b5 b4 b3 b2 b1 b0 |
wim | 32:59c4b8f648d4 | 4223 | // 1 1 1 1 1 RW RS 0 d7 d6 d5 d4 d3 d2 d1 d0 |
wim | 32:59c4b8f648d4 | 4224 | // |
wim | 32:59c4b8f648d4 | 4225 | // RS=1 means that next byte is data, RS=0 means that next byte is command |
wim | 32:59c4b8f648d4 | 4226 | // RW=0 means that next byte is writen, RW=1 means that next byte is read (not used in this lib) |
wim | 32:59c4b8f648d4 | 4227 | // |
wim | 32:59c4b8f648d4 | 4228 | |
wim | 32:59c4b8f648d4 | 4229 | if (value) { |
wim | 32:59c4b8f648d4 | 4230 | _controlbyte = 0xFA; // Next byte is data |
wim | 32:59c4b8f648d4 | 4231 | } |
wim | 32:59c4b8f648d4 | 4232 | else { |
wim | 32:59c4b8f648d4 | 4233 | _controlbyte = 0xF8; // Next byte is command |
wim | 32:59c4b8f648d4 | 4234 | } |
wim | 32:59c4b8f648d4 | 4235 | } |
wim | 32:59c4b8f648d4 | 4236 | |
wim | 32:59c4b8f648d4 | 4237 | // Set BL pin |
wim | 32:59c4b8f648d4 | 4238 | void TextLCD_SPI_N_3_16::_setBL(bool value) { |
wim | 32:59c4b8f648d4 | 4239 | if (_bl) { |
wim | 32:59c4b8f648d4 | 4240 | _bl->write(value); |
wim | 32:59c4b8f648d4 | 4241 | } |
wim | 32:59c4b8f648d4 | 4242 | } |
wim | 32:59c4b8f648d4 | 4243 | |
wim | 32:59c4b8f648d4 | 4244 | // Not used in this mode |
wim | 32:59c4b8f648d4 | 4245 | void TextLCD_SPI_N_3_16::_setData(int value) { |
wim | 32:59c4b8f648d4 | 4246 | } |
wim | 34:e5a0dcb43ecc | 4247 | |
wim | 32:59c4b8f648d4 | 4248 | // Write a byte using SPI3 16 bits mode |
wim | 32:59c4b8f648d4 | 4249 | void TextLCD_SPI_N_3_16::_writeByte(int value) { |
wim | 32:59c4b8f648d4 | 4250 | _cs = 0; |
wim | 32:59c4b8f648d4 | 4251 | wait_us(1); |
wim | 32:59c4b8f648d4 | 4252 | |
wim | 32:59c4b8f648d4 | 4253 | _spi->write(_controlbyte); |
wim | 32:59c4b8f648d4 | 4254 | |
wim | 32:59c4b8f648d4 | 4255 | _spi->write(value); |
wim | 32:59c4b8f648d4 | 4256 | |
wim | 32:59c4b8f648d4 | 4257 | wait_us(1); |
wim | 32:59c4b8f648d4 | 4258 | _cs = 1; |
wim | 32:59c4b8f648d4 | 4259 | } |
wim | 34:e5a0dcb43ecc | 4260 | #endif /* Native SPI bus */ |
wim | 32:59c4b8f648d4 | 4261 | //------- End TextLCD_SPI_N_3_16 ---------- |
wim | 34:e5a0dcb43ecc | 4262 | |
wim | 34:e5a0dcb43ecc | 4263 | |
wim | 32:59c4b8f648d4 | 4264 | //------- Start TextLCD_SPI_N_3_24 -------- |
wim | 34:e5a0dcb43ecc | 4265 | #if(LCD_SPI_N_3_24 == 1) /* Native SPI bus */ |
wim | 32:59c4b8f648d4 | 4266 | |
wim | 32:59c4b8f648d4 | 4267 | /** Create a TextLCD interface using a controller with a native SPI3 24 bits interface |
wim | 32:59c4b8f648d4 | 4268 | * |
wim | 32:59c4b8f648d4 | 4269 | * @param spi SPI Bus |
wim | 32:59c4b8f648d4 | 4270 | * @param cs chip select pin (active low) |
wim | 32:59c4b8f648d4 | 4271 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
wim | 32:59c4b8f648d4 | 4272 | * @param bl Backlight control line (optional, default = NC) |
wim | 32:59c4b8f648d4 | 4273 | * @param ctrl LCD controller (default = SSD1803) |
wim | 32:59c4b8f648d4 | 4274 | */ |
wim | 32:59c4b8f648d4 | 4275 | TextLCD_SPI_N_3_24::TextLCD_SPI_N_3_24(SPI *spi, PinName cs, LCDType type, PinName bl, LCDCtrl ctrl) : |
wim | 32:59c4b8f648d4 | 4276 | TextLCD_Base(type, ctrl), |
wim | 32:59c4b8f648d4 | 4277 | _spi(spi), |
wim | 32:59c4b8f648d4 | 4278 | _cs(cs) { |
wim | 32:59c4b8f648d4 | 4279 | |
wim | 32:59c4b8f648d4 | 4280 | // Init CS |
wim | 32:59c4b8f648d4 | 4281 | _cs = 1; |
wim | 32:59c4b8f648d4 | 4282 | |
wim | 34:e5a0dcb43ecc | 4283 | // Setup the spi for 8 bit data, high steady state clock, |
wim | 32:59c4b8f648d4 | 4284 | // rising edge capture, with a 500KHz or 1MHz clock rate |
wim | 34:e5a0dcb43ecc | 4285 | _spi->format(8,3); |
wim | 32:59c4b8f648d4 | 4286 | _spi->frequency(1000000); |
wim | 32:59c4b8f648d4 | 4287 | |
wim | 32:59c4b8f648d4 | 4288 | // The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access. |
wim | 32:59c4b8f648d4 | 4289 | if (bl != NC) { |
wim | 32:59c4b8f648d4 | 4290 | _bl = new DigitalOut(bl); //Construct new pin |
wim | 32:59c4b8f648d4 | 4291 | _bl->write(0); //Deactivate |
wim | 32:59c4b8f648d4 | 4292 | } |
wim | 32:59c4b8f648d4 | 4293 | else { |
wim | 32:59c4b8f648d4 | 4294 | // No Hardware Backlight pin |
wim | 32:59c4b8f648d4 | 4295 | _bl = NULL; //Construct dummy pin |
wim | 32:59c4b8f648d4 | 4296 | } |
wim | 32:59c4b8f648d4 | 4297 | |
wim | 32:59c4b8f648d4 | 4298 | //Sanity check |
wim | 32:59c4b8f648d4 | 4299 | if (_ctrl & LCD_C_SPI3_24) { |
wim | 36:9f5f86dfd44a | 4300 | _init(_LCD_DL_8); // Set Datalength to 8 bit for all native serial interfaces |
wim | 32:59c4b8f648d4 | 4301 | } |
wim | 32:59c4b8f648d4 | 4302 | else { |
wim | 32:59c4b8f648d4 | 4303 | error("Error: LCD Controller type does not support native SPI3 24 bits interface\n\r"); |
wim | 32:59c4b8f648d4 | 4304 | } |
wim | 32:59c4b8f648d4 | 4305 | } |
wim | 32:59c4b8f648d4 | 4306 | |
wim | 32:59c4b8f648d4 | 4307 | TextLCD_SPI_N_3_24::~TextLCD_SPI_N_3_24() { |
wim | 32:59c4b8f648d4 | 4308 | if (_bl != NULL) {delete _bl;} // BL pin |
wim | 32:59c4b8f648d4 | 4309 | } |
wim | 32:59c4b8f648d4 | 4310 | |
wim | 32:59c4b8f648d4 | 4311 | // Not used in this mode |
wim | 32:59c4b8f648d4 | 4312 | void TextLCD_SPI_N_3_24::_setEnable(bool value) { |
wim | 32:59c4b8f648d4 | 4313 | } |
wim | 32:59c4b8f648d4 | 4314 | |
wim | 32:59c4b8f648d4 | 4315 | // Set RS pin |
wim | 32:59c4b8f648d4 | 4316 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
wim | 32:59c4b8f648d4 | 4317 | void TextLCD_SPI_N_3_24::_setRS(bool value) { |
wim | 32:59c4b8f648d4 | 4318 | // 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 | 4319 | // Each byte encodes 4 actual bits. The 8 actual bits represent either a data or a command byte. |
wim | 32:59c4b8f648d4 | 4320 | // 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 | 4321 | // 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 | 4322 | // |
wim | 32:59c4b8f648d4 | 4323 | // RS=1 means that next byte is data, RS=0 means that next byte is command |
wim | 32:59c4b8f648d4 | 4324 | // RW=0 means that next byte is writen, RW=1 means that next byte is read (not used in this lib) |
wim | 32:59c4b8f648d4 | 4325 | // |
wim | 32:59c4b8f648d4 | 4326 | // Note: SPI3_24 expects LSB first. This is inconsistent with regular SPI convention (and hardware) that sends MSB first. |
wim | 32:59c4b8f648d4 | 4327 | |
wim | 32:59c4b8f648d4 | 4328 | if (value) { |
wim | 32:59c4b8f648d4 | 4329 | _controlbyte = 0xFA; // Next byte is data |
wim | 32:59c4b8f648d4 | 4330 | } |
wim | 32:59c4b8f648d4 | 4331 | else { |
wim | 32:59c4b8f648d4 | 4332 | _controlbyte = 0xF8; // Next byte is command |
wim | 34:e5a0dcb43ecc | 4333 | } |
wim | 32:59c4b8f648d4 | 4334 | } |
wim | 32:59c4b8f648d4 | 4335 | |
wim | 32:59c4b8f648d4 | 4336 | // Set BL pin |
wim | 32:59c4b8f648d4 | 4337 | void TextLCD_SPI_N_3_24::_setBL(bool value) { |
wim | 32:59c4b8f648d4 | 4338 | if (_bl) { |
wim | 32:59c4b8f648d4 | 4339 | _bl->write(value); |
wim | 32:59c4b8f648d4 | 4340 | } |
wim | 32:59c4b8f648d4 | 4341 | } |
wim | 32:59c4b8f648d4 | 4342 | |
wim | 32:59c4b8f648d4 | 4343 | // Not used in this mode |
wim | 32:59c4b8f648d4 | 4344 | void TextLCD_SPI_N_3_24::_setData(int value) { |
wim | 32:59c4b8f648d4 | 4345 | } |
wim | 32:59c4b8f648d4 | 4346 | |
wim | 32:59c4b8f648d4 | 4347 | //Mapping table to flip the bits around cause SPI3_24 expects LSB first. |
wim | 32:59c4b8f648d4 | 4348 | 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 | 4349 | |
wim | 32:59c4b8f648d4 | 4350 | // Write a byte using SPI3 24 bits mode |
wim | 32:59c4b8f648d4 | 4351 | void TextLCD_SPI_N_3_24::_writeByte(int value) { |
wim | 32:59c4b8f648d4 | 4352 | _cs = 0; |
wim | 32:59c4b8f648d4 | 4353 | wait_us(1); |
wim | 32:59c4b8f648d4 | 4354 | _spi->write(_controlbyte); |
wim | 32:59c4b8f648d4 | 4355 | |
wim | 32:59c4b8f648d4 | 4356 | //Map and send the LSB nibble |
wim | 32:59c4b8f648d4 | 4357 | _spi->write( map3_24[value & 0x0F]); |
wim | 32:59c4b8f648d4 | 4358 | |
wim | 32:59c4b8f648d4 | 4359 | //Map and send the MSB nibble |
wim | 32:59c4b8f648d4 | 4360 | _spi->write( map3_24[(value >> 4) & 0x0F]); |
wim | 32:59c4b8f648d4 | 4361 | |
wim | 32:59c4b8f648d4 | 4362 | wait_us(1); |
wim | 32:59c4b8f648d4 | 4363 | _cs = 1; |
wim | 32:59c4b8f648d4 | 4364 | } |
wim | 34:e5a0dcb43ecc | 4365 | #endif /* Native SPI bus */ |
wim | 32:59c4b8f648d4 | 4366 | //------- End TextLCD_SPI_N_3_24 ---------- |