16*2Lcd Display
Dependents: CITY1082-i2c_master
TextLCD.cpp@39:e9c2319de9c5, 2015-05-19 (annotated)
- Committer:
- wim
- Date:
- Tue May 19 18:13:00 2015 +0000
- Revision:
- 39:e9c2319de9c5
- Parent:
- 38:cbe275b0b647
- Child:
- 40:d3496c3ea301
Working version PCF2119
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 | 39:e9c2319de9c5 | 24 | * Fixed and Added more fonttable support for PCF2119K, Added HD66712 controller. |
simon | 1:ac48b187213c | 25 | * |
simon | 1:ac48b187213c | 26 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
simon | 1:ac48b187213c | 27 | * of this software and associated documentation files (the "Software"), to deal |
simon | 1:ac48b187213c | 28 | * in the Software without restriction, including without limitation the rights |
simon | 1:ac48b187213c | 29 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
simon | 1:ac48b187213c | 30 | * copies of the Software, and to permit persons to whom the Software is |
simon | 1:ac48b187213c | 31 | * furnished to do so, subject to the following conditions: |
simon | 1:ac48b187213c | 32 | * |
simon | 1:ac48b187213c | 33 | * The above copyright notice and this permission notice shall be included in |
simon | 1:ac48b187213c | 34 | * all copies or substantial portions of the Software. |
simon | 1:ac48b187213c | 35 | * |
simon | 1:ac48b187213c | 36 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
simon | 1:ac48b187213c | 37 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
simon | 1:ac48b187213c | 38 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
simon | 1:ac48b187213c | 39 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
simon | 1:ac48b187213c | 40 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
simon | 1:ac48b187213c | 41 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
simon | 1:ac48b187213c | 42 | * THE SOFTWARE. |
simon | 1:ac48b187213c | 43 | */ |
wim | 34:e5a0dcb43ecc | 44 | #include "mbed.h" |
simon | 1:ac48b187213c | 45 | #include "TextLCD.h" |
wim | 34:e5a0dcb43ecc | 46 | #include "TextLCD_UDC.inc" |
wim | 34:e5a0dcb43ecc | 47 | |
wim | 21:9eb628d9e164 | 48 | /** Create a TextLCD_Base interface |
wim | 15:b70ebfffb258 | 49 | * |
wim | 21:9eb628d9e164 | 50 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
wim | 21:9eb628d9e164 | 51 | * @param ctrl LCD controller (default = HD44780) |
wim | 15:b70ebfffb258 | 52 | */ |
wim | 21:9eb628d9e164 | 53 | TextLCD_Base::TextLCD_Base(LCDType type, LCDCtrl ctrl) : _type(type), _ctrl(ctrl) { |
wim | 30:033048611c01 | 54 | |
wim | 30:033048611c01 | 55 | // Extract LCDType data |
wim | 30:033048611c01 | 56 | |
wim | 30:033048611c01 | 57 | // Columns encoded in b7..b0 |
wim | 30:033048611c01 | 58 | _nr_cols = (_type & 0xFF); |
wim | 30:033048611c01 | 59 | |
wim | 30:033048611c01 | 60 | // Rows encoded in b15..b8 |
wim | 30:033048611c01 | 61 | _nr_rows = ((_type >> 8) & 0xFF); |
wim | 30:033048611c01 | 62 | |
wim | 30:033048611c01 | 63 | // Addressing mode encoded in b19..b16 |
wim | 30:033048611c01 | 64 | _addr_mode = _type & LCD_T_ADR_MSK; |
wim | 37:ce348c002929 | 65 | |
wim | 37:ce348c002929 | 66 | // Font table, encoded in LCDCtrl |
wim | 39:e9c2319de9c5 | 67 | _font = _ctrl & LCD_C_FNT_MSK; |
wim | 14:0c32b66b14b8 | 68 | } |
wim | 14:0c32b66b14b8 | 69 | |
wim | 21:9eb628d9e164 | 70 | /** Init the LCD Controller(s) |
wim | 21:9eb628d9e164 | 71 | * Clear display |
wim | 36:9f5f86dfd44a | 72 | * @param _LCDDatalength dl sets the datalength of data/commands |
wim | 36:9f5f86dfd44a | 73 | * @return none |
wim | 21:9eb628d9e164 | 74 | */ |
wim | 36:9f5f86dfd44a | 75 | void TextLCD_Base::_init(_LCDDatalength dl) { |
wim | 38:cbe275b0b647 | 76 | |
wim | 38:cbe275b0b647 | 77 | wait_ms(100); // Wait 100ms to ensure powered up |
wim | 15:b70ebfffb258 | 78 | |
wim | 15:b70ebfffb258 | 79 | // Select and configure second LCD controller when needed |
wim | 15:b70ebfffb258 | 80 | if(_type==LCD40x4) { |
wim | 30:033048611c01 | 81 | _ctrl_idx=_LCDCtrl_1; // Select 2nd controller |
wim | 36:9f5f86dfd44a | 82 | _initCtrl(dl); // Init 2nd controller |
wim | 15:b70ebfffb258 | 83 | } |
wim | 15:b70ebfffb258 | 84 | |
wim | 15:b70ebfffb258 | 85 | // Select and configure primary LCD controller |
wim | 27:22d5086f6ba6 | 86 | _ctrl_idx=_LCDCtrl_0; // Select primary controller |
wim | 36:9f5f86dfd44a | 87 | _initCtrl(dl); // Init primary controller |
wim | 28:30fa94f7341c | 88 | |
wim | 32:59c4b8f648d4 | 89 | // Clear whole display and Reset Cursor location |
wim | 32:59c4b8f648d4 | 90 | // Note: This will make sure that some 3-line displays that skip topline of a 4-line configuration |
wim | 32:59c4b8f648d4 | 91 | // are cleared and init cursor correctly. |
wim | 32:59c4b8f648d4 | 92 | cls(); |
wim | 15:b70ebfffb258 | 93 | } |
wim | 15:b70ebfffb258 | 94 | |
wim | 21:9eb628d9e164 | 95 | /** Init the LCD controller |
wim | 36:9f5f86dfd44a | 96 | * Set number of lines, fonttype, no cursor etc |
wim | 36:9f5f86dfd44a | 97 | * The controller is accessed in 4-bit parallel mode either directly via mbed pins or through I2C or SPI expander. |
wim | 36:9f5f86dfd44a | 98 | * Some controllers also support native I2C or SPI interfaces. |
wim | 36:9f5f86dfd44a | 99 | * |
wim | 36:9f5f86dfd44a | 100 | * @param _LCDDatalength dl sets the 4 or 8 bit datalength of data/commands. Required for some native serial modes. |
wim | 36:9f5f86dfd44a | 101 | * @return none |
wim | 30:033048611c01 | 102 | * |
wim | 30:033048611c01 | 103 | * Note: some configurations are commented out because they have not yet been tested due to lack of hardware |
wim | 21:9eb628d9e164 | 104 | */ |
wim | 36:9f5f86dfd44a | 105 | void TextLCD_Base::_initCtrl(_LCDDatalength dl) { |
wim | 32:59c4b8f648d4 | 106 | int _bias_lines=0; // Set Bias and lines (Instr Set 1), temporary variable. |
wim | 32:59c4b8f648d4 | 107 | int _lines=0; // Set lines (Ext Instr Set), temporary variable. |
wim | 36:9f5f86dfd44a | 108 | |
wim | 26:bd897a001012 | 109 | this->_setRS(false); // command mode |
simon | 1:ac48b187213c | 110 | |
wim | 37:ce348c002929 | 111 | if (dl == _LCD_DL_4) { |
wim | 37:ce348c002929 | 112 | // The Controller could be in 8 bit mode (power-on reset) or in 4 bit mode (warm reboot) at this point. |
wim | 37:ce348c002929 | 113 | // Follow this procedure to make sure the Controller enters the correct state. The hardware interface |
wim | 37:ce348c002929 | 114 | // between the uP and the LCD can only write the 4 most significant bits (Most Significant Nibble, MSN). |
wim | 37:ce348c002929 | 115 | // In 4 bit mode the LCD expects the MSN first, followed by the LSN. |
wim | 37:ce348c002929 | 116 | // |
wim | 38:cbe275b0b647 | 117 | // Current state: 8 bit mode | 4 bit mode, MSN is next | 4 bit mode, LSN is next |
wim | 37:ce348c002929 | 118 | //------------------------------------------------------------------------------------------------- |
wim | 38:cbe275b0b647 | 119 | _writeNibble(0x3); // set 8 bit mode (MSN) and dummy LSN, | set 8 bit mode (MSN), | set dummy LSN, |
wim | 38:cbe275b0b647 | 120 | // remains in 8 bit mode | remains in 4 bit mode | remains in 4 bit mode |
wim | 37:ce348c002929 | 121 | wait_ms(15); // |
wim | 37:ce348c002929 | 122 | |
wim | 38:cbe275b0b647 | 123 | _writeNibble(0x3); // set 8 bit mode (MSN) and dummy LSN, | set dummy LSN, | set 8bit mode (MSN), |
wim | 38:cbe275b0b647 | 124 | // remains in 8 bit mode | change to 8 bit mode | remains in 4 bit mode |
wim | 37:ce348c002929 | 125 | wait_ms(15); // |
wim | 33:900a94bc7585 | 126 | |
wim | 38:cbe275b0b647 | 127 | _writeNibble(0x3); // set 8 bit mode (MSN) and dummy LSN, | set 8 bit mode (MSN) and dummy LSN, | set dummy LSN, |
wim | 38:cbe275b0b647 | 128 | // remains in 8 bit mode | remains in 8 bit mode | change to 8 bit mode |
wim | 37:ce348c002929 | 129 | wait_ms(15); // |
wim | 37:ce348c002929 | 130 | |
wim | 37:ce348c002929 | 131 | // Controller is now in 8 bit mode |
wim | 37:ce348c002929 | 132 | |
wim | 37:ce348c002929 | 133 | _writeNibble(0x2); // Change to 4-bit mode (MSN), the LSN is undefined dummy |
wim | 37:ce348c002929 | 134 | wait_us(40); // most instructions take 40us |
wim | 37:ce348c002929 | 135 | |
wim | 37:ce348c002929 | 136 | // Controller is now in 4-bit mode |
wim | 37:ce348c002929 | 137 | // Note: 4/8 bit mode is ignored for most native SPI and I2C devices. They dont use the parallel bus. |
wim | 37:ce348c002929 | 138 | // However, _writeNibble() method is void anyway for native SPI and I2C devices. |
wim | 38:cbe275b0b647 | 139 | } |
wim | 38:cbe275b0b647 | 140 | else { |
wim | 38:cbe275b0b647 | 141 | // Reset in 8 bit mode, final Function set will follow |
wim | 38:cbe275b0b647 | 142 | _writeCommand(0x30); // Function set 0 0 1 DL=1 N F x x |
wim | 39:e9c2319de9c5 | 143 | wait_ms(1); // most instructions take 40us |
wim | 37:ce348c002929 | 144 | } |
wim | 25:6162b31128c9 | 145 | |
wim | 29:a3663151aa65 | 146 | // Device specific initialisations: DC/DC converter to generate VLCD or VLED, number of lines etc |
wim | 19:c747b9e2e7b8 | 147 | switch (_ctrl) { |
wim | 32:59c4b8f648d4 | 148 | |
wim | 36:9f5f86dfd44a | 149 | case KS0073: |
wim | 36:9f5f86dfd44a | 150 | // Initialise Display configuration |
wim | 36:9f5f86dfd44a | 151 | switch (_type) { |
wim | 36:9f5f86dfd44a | 152 | case LCD8x1: //8x1 is a regular 1 line display |
wim | 36:9f5f86dfd44a | 153 | case LCD12x1: |
wim | 36:9f5f86dfd44a | 154 | case LCD16x1: |
wim | 36:9f5f86dfd44a | 155 | case LCD20x1: |
wim | 36:9f5f86dfd44a | 156 | case LCD24x1: |
wim | 36:9f5f86dfd44a | 157 | // case LCD32x1: // EXT pin is High, extension driver needed |
wim | 36:9f5f86dfd44a | 158 | // case LCD40x1: // EXT pin is High, extension driver needed |
wim | 36:9f5f86dfd44a | 159 | _function = 0x02; // Function set 001 DL N RE(0) DH REV (Std Regs) |
wim | 36:9f5f86dfd44a | 160 | // DL=0 (4 bits bus) |
wim | 36:9f5f86dfd44a | 161 | // N=0 (1-line mode, N=1 2-line mode) |
wim | 36:9f5f86dfd44a | 162 | // RE=0 (Dis. Extended Regs, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 163 | // DH=1 (Disp shift enable, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 164 | // REV=0 (Reverse normal, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 165 | |
wim | 36:9f5f86dfd44a | 166 | _function_1 = 0x04; // Function set 001 DL N RE(1) BE LP (Ext Regs) |
wim | 36:9f5f86dfd44a | 167 | // DL=0 (4 bits bus) |
wim | 36:9f5f86dfd44a | 168 | // N=0 (1-line mode, N=1 2-line mode) |
wim | 36:9f5f86dfd44a | 169 | // RE=1 (Ena Extended Regs, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 170 | // BE=0 (Blink Enable, CG/SEG RAM, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 171 | // LP=0 (LP=1 Low power mode, LP=0 Normal) |
wim | 36:9f5f86dfd44a | 172 | |
wim | 36:9f5f86dfd44a | 173 | _function_x = 0x00; // Ext Function set 0000 1 FW BW NW (Ext Regs) |
wim | 36:9f5f86dfd44a | 174 | // NW=0 (1,2 line), NW=1 (4 Line, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 175 | break; |
wim | 36:9f5f86dfd44a | 176 | |
wim | 36:9f5f86dfd44a | 177 | // case LCD12x3D: // Special mode for KS0073, KS0078 and PCF21XX |
wim | 36:9f5f86dfd44a | 178 | // case LCD12x3D1: // Special mode for KS0073, KS0078 and PCF21XX |
wim | 36:9f5f86dfd44a | 179 | case LCD12x4D: // Special mode for KS0073, KS0078 and PCF21XX |
wim | 36:9f5f86dfd44a | 180 | // case LCD16x3D: // Special mode for KS0073, KS0078 |
wim | 36:9f5f86dfd44a | 181 | // case LCD16x4D: // Special mode for KS0073, KS0078 |
wim | 36:9f5f86dfd44a | 182 | case LCD20x4D: // Special mode for KS0073, KS0078 |
wim | 36:9f5f86dfd44a | 183 | _function = 0x02; // Function set 001 DL N RE(0) DH REV (Std Regs) |
wim | 36:9f5f86dfd44a | 184 | // DL=0 (4 bits bus) |
wim | 36:9f5f86dfd44a | 185 | // N=0 (dont care for 4 line mode) |
wim | 36:9f5f86dfd44a | 186 | // RE=0 (Dis. Extended Regs, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 187 | // DH=1 (Disp shift enable, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 188 | // REV=0 (Reverse normal, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 189 | |
wim | 36:9f5f86dfd44a | 190 | _function_1 = 0x04; // Function set 001 DL N RE(1) BE LP (Ext Regs) |
wim | 36:9f5f86dfd44a | 191 | // DL=0 (4 bits bus) |
wim | 36:9f5f86dfd44a | 192 | // N=0 (1-line mode), N=1 (2-line mode) |
wim | 36:9f5f86dfd44a | 193 | // RE=1 (Ena Extended Regs, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 194 | // BE=0 (Blink Enable, CG/SEG RAM, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 195 | // LP=0 (LP=1 Low power mode, LP=0 Normal) |
wim | 36:9f5f86dfd44a | 196 | |
wim | 36:9f5f86dfd44a | 197 | _function_x = 0x01; // Ext Function set 0000 1 FW BW NW (Ext Regs) |
wim | 36:9f5f86dfd44a | 198 | // NW=0 (1,2 line), NW=1 (4 Line, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 199 | break; |
wim | 36:9f5f86dfd44a | 200 | |
wim | 36:9f5f86dfd44a | 201 | |
wim | 36:9f5f86dfd44a | 202 | case LCD16x3G: // Special mode for ST7036 |
wim | 36:9f5f86dfd44a | 203 | // case LCD24x3D: // Special mode for KS0078 |
wim | 36:9f5f86dfd44a | 204 | // case LCD24x3D1: // Special mode for KS0078 |
wim | 36:9f5f86dfd44a | 205 | case LCD24x4D: // Special mode for KS0078 |
wim | 36:9f5f86dfd44a | 206 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 36:9f5f86dfd44a | 207 | break; |
wim | 36:9f5f86dfd44a | 208 | |
wim | 36:9f5f86dfd44a | 209 | default: |
wim | 36:9f5f86dfd44a | 210 | // All other LCD types are initialised as 2 Line displays (including LCD16x1C and LCD40x4) |
wim | 36:9f5f86dfd44a | 211 | _function = 0x0A; // Function set 001 DL N RE(0) DH REV (Std Regs) |
wim | 36:9f5f86dfd44a | 212 | // DL=0 (4 bits bus) |
wim | 36:9f5f86dfd44a | 213 | // N=1 (2-line mode), N=0 (1-line mode) |
wim | 36:9f5f86dfd44a | 214 | // RE=0 (Dis. Extended Regs, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 215 | // DH=1 (Disp shift enable, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 216 | // REV=0 (Reverse normal, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 217 | |
wim | 36:9f5f86dfd44a | 218 | _function_1 = 0x0C; // Function set 001 DL N RE(1) BE LP (Ext Regs) |
wim | 36:9f5f86dfd44a | 219 | // DL=0 (4 bits bus) |
wim | 36:9f5f86dfd44a | 220 | // N=1 (2 line mode), N=0 (1-line mode) |
wim | 36:9f5f86dfd44a | 221 | // RE=1 (Ena Extended Regs, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 222 | // BE=0 (Blink Enable, CG/SEG RAM, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 223 | // LP=0 (LP=1 Low power mode, LP=0 Normal) |
wim | 36:9f5f86dfd44a | 224 | |
wim | 36:9f5f86dfd44a | 225 | _function_x = 0x00; // Ext Function set 0000 1 FW BW NW (Ext Regs) |
wim | 36:9f5f86dfd44a | 226 | // NW=0 (1,2 line), NW=1 (4 Line, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 227 | break; |
wim | 36:9f5f86dfd44a | 228 | } // switch type |
wim | 36:9f5f86dfd44a | 229 | |
wim | 36:9f5f86dfd44a | 230 | // init special features |
wim | 36:9f5f86dfd44a | 231 | _writeCommand(0x20 | _function_1);// Function set 001 DL N RE(1) BE LP (Ext Regs) |
wim | 36:9f5f86dfd44a | 232 | // DL=0 (4 bits bus), DL=1 (8 bits mode) |
wim | 36:9f5f86dfd44a | 233 | // N=0 (1 line mode), N=1 (2 line mode) |
wim | 36:9f5f86dfd44a | 234 | // RE=1 (Ena Extended Regs, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 235 | // BE=0 (Blink Enable/Disable, CG/SEG RAM, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 236 | // LP=0 (LP=1 Low power mode, LP=0 Normal) |
wim | 36:9f5f86dfd44a | 237 | |
wim | 36:9f5f86dfd44a | 238 | _writeCommand(0x08 | _function_x); // Ext Function set 0000 1 FW BW NW (Ext Regs) |
wim | 36:9f5f86dfd44a | 239 | // FW=0 (5-dot font, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 240 | // BW=0 (Cur BW invert disable, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 241 | // NW=0 (1,2 Line), NW=1 (4 line, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 242 | |
wim | 36:9f5f86dfd44a | 243 | _writeCommand(0x10); // Scroll/Shift set 0001 DS/HS4 DS/HS3 DS/HS2 DS/HS1 (Ext Regs) |
wim | 36:9f5f86dfd44a | 244 | // Dotscroll/Display shift enable (Special mode for KS0073) |
wim | 36:9f5f86dfd44a | 245 | |
wim | 36:9f5f86dfd44a | 246 | _writeCommand(0x80); // Scroll Quantity set 1 0 SQ5 SQ4 SQ3 SQ2 SQ1 SQ0 (Ext Regs) |
wim | 36:9f5f86dfd44a | 247 | // Scroll quantity (Special mode for KS0073) |
wim | 36:9f5f86dfd44a | 248 | |
wim | 36:9f5f86dfd44a | 249 | _writeCommand(0x20 | _function); // Function set 001 DL N RE(0) DH REV (Std Regs) |
wim | 36:9f5f86dfd44a | 250 | // DL=0 (4 bits bus), DL=1 (8 bits mode) |
wim | 36:9f5f86dfd44a | 251 | // N=0 (1 line mode), N=1 (2 line mode) |
wim | 36:9f5f86dfd44a | 252 | // RE=0 (Dis. Extended Regs, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 253 | // DH=1 (Disp shift enable/disable, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 254 | // REV=0 (Reverse/Normal, special mode for KS0073) |
wim | 36:9f5f86dfd44a | 255 | break; // case KS0073 Controller |
wim | 36:9f5f86dfd44a | 256 | |
wim | 36:9f5f86dfd44a | 257 | |
wim | 29:a3663151aa65 | 258 | case KS0078: |
wim | 29:a3663151aa65 | 259 | // Initialise Display configuration |
wim | 29:a3663151aa65 | 260 | switch (_type) { |
wim | 29:a3663151aa65 | 261 | case LCD8x1: //8x1 is a regular 1 line display |
wim | 29:a3663151aa65 | 262 | case LCD8x2B: //8x2B is a special case of 16x1 |
wim | 29:a3663151aa65 | 263 | // case LCD12x1: |
wim | 29:a3663151aa65 | 264 | case LCD16x1: |
wim | 30:033048611c01 | 265 | // case LCD20x1: |
wim | 29:a3663151aa65 | 266 | case LCD24x1: |
wim | 32:59c4b8f648d4 | 267 | _function = 0x02; // Function set 001 DL N RE(0) DH REV (Std Regs) |
wim | 32:59c4b8f648d4 | 268 | // DL=0 (4 bits bus) |
wim | 32:59c4b8f648d4 | 269 | // N=0 (1 line mode), N=1 (2 line mode) |
wim | 32:59c4b8f648d4 | 270 | // RE=0 (Dis. Extended Regs, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 271 | // DH=1 (Disp shift enable, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 272 | // REV=0 (Reverse normal, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 273 | |
wim | 33:900a94bc7585 | 274 | _function_1 = 0x04; // Function set 001 DL N RE(1) BE 0 (Ext Regs) |
wim | 32:59c4b8f648d4 | 275 | // DL=0 (4 bits bus) |
wim | 32:59c4b8f648d4 | 276 | // N=0 (1 line mode), N=1 (2 line mode) |
wim | 32:59c4b8f648d4 | 277 | // RE=1 (Ena Extended Regs, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 278 | // BE=0 (Blink Enable, CG/SEG RAM, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 279 | // 0 |
wim | 30:033048611c01 | 280 | |
wim | 32:59c4b8f648d4 | 281 | _function_x = 0x00; // Ext Function set 0000 1 FW BW NW (Ext Regs) |
wim | 32:59c4b8f648d4 | 282 | // NW=0 (1,2 line), NW=1 (4 Line, special mode for KS0078) |
wim | 29:a3663151aa65 | 283 | break; |
wim | 29:a3663151aa65 | 284 | |
wim | 36:9f5f86dfd44a | 285 | // case LCD12x3D: // Special mode for KS0073, KS0078 and PCF21XX |
wim | 36:9f5f86dfd44a | 286 | // case LCD12x3D1: // Special mode for KS0073, KS0078 and PCF21XX |
wim | 36:9f5f86dfd44a | 287 | // case LCD12x4D: // Special mode for KS0073, KS0078 and PCF21XX |
wim | 36:9f5f86dfd44a | 288 | // case LCD16x3D: // Special mode for KS0073, KS0078 |
wim | 36:9f5f86dfd44a | 289 | // case LCD16x4D: // Special mode for KS0073, KS0078 |
wim | 36:9f5f86dfd44a | 290 | // case LCD20x4D: // Special mode for KS0073, KS0078 |
wim | 30:033048611c01 | 291 | // case LCD24x3D: // Special mode for KS0078 |
wim | 30:033048611c01 | 292 | // case LCD24x3D1: // Special mode for KS0078 |
wim | 30:033048611c01 | 293 | case LCD24x4D: // Special mode for KS0078 |
wim | 32:59c4b8f648d4 | 294 | _function = 0x02; // Function set 001 DL N RE(0) DH REV (Std Regs) |
wim | 32:59c4b8f648d4 | 295 | // DL=0 (4 bits bus) |
wim | 32:59c4b8f648d4 | 296 | // N=0 (dont care for 4 line mode) |
wim | 32:59c4b8f648d4 | 297 | // RE=0 (Dis. Extended Regs, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 298 | // DH=1 (Disp shift enable, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 299 | // REV=0 (Reverse normal, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 300 | |
wim | 33:900a94bc7585 | 301 | _function_1 = 0x04; // Function set 001 DL N RE(1) BE 0 (Ext Regs) |
wim | 32:59c4b8f648d4 | 302 | // DL=0 (4 bits bus) |
wim | 32:59c4b8f648d4 | 303 | // N=0 (1 line mode), N=1 (2 line mode) |
wim | 32:59c4b8f648d4 | 304 | // RE=1 (Ena Extended Regs, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 305 | // BE=0 (Blink Enable, CG/SEG RAM, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 306 | // 0 |
wim | 29:a3663151aa65 | 307 | |
wim | 32:59c4b8f648d4 | 308 | _function_x = 0x01; // Ext Function set 0000 1 FW BW NW (Ext Regs) |
wim | 32:59c4b8f648d4 | 309 | // NW=0 (1,2 line), NW=1 (4 Line, special mode for KS0078) |
wim | 30:033048611c01 | 310 | break; |
wim | 33:900a94bc7585 | 311 | |
wim | 33:900a94bc7585 | 312 | case LCD16x3G: // Special mode for ST7036 |
wim | 33:900a94bc7585 | 313 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 33:900a94bc7585 | 314 | break; |
wim | 30:033048611c01 | 315 | |
wim | 29:a3663151aa65 | 316 | default: |
wim | 30:033048611c01 | 317 | // All other LCD types are initialised as 2 Line displays (including LCD16x1C and LCD40x4) |
wim | 32:59c4b8f648d4 | 318 | _function = 0x0A; // Function set 001 DL N RE(0) DH REV (Std Regs) |
wim | 32:59c4b8f648d4 | 319 | // DL=0 (4 bits bus) |
wim | 32:59c4b8f648d4 | 320 | // N=1 (1 line mode), N=1 (2 line mode) |
wim | 32:59c4b8f648d4 | 321 | // RE=0 (Dis. Extended Regs, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 322 | // DH=1 (Disp shift enable, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 323 | // REV=0 (Reverse normal, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 324 | |
wim | 33:900a94bc7585 | 325 | _function_1 = 0x0C; // Function set 001 DL N RE(1) BE 0 (Ext Regs) |
wim | 32:59c4b8f648d4 | 326 | // DL=0 (4 bits bus) |
wim | 32:59c4b8f648d4 | 327 | // N=1 (1 line mode), N=1 (2 line mode) |
wim | 32:59c4b8f648d4 | 328 | // RE=1 (Ena Extended Regs, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 329 | // BE=0 (Blink Enable, CG/SEG RAM, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 330 | // 0 |
wim | 30:033048611c01 | 331 | |
wim | 32:59c4b8f648d4 | 332 | _function_x = 0x00; // Ext Function set 0000 1 FW BW NW (Ext Regs) |
wim | 32:59c4b8f648d4 | 333 | // NW=0 (1,2 line), NW=1 (4 Line, special mode for KS0078) |
wim | 29:a3663151aa65 | 334 | break; |
wim | 29:a3663151aa65 | 335 | } // switch type |
wim | 29:a3663151aa65 | 336 | |
wim | 32:59c4b8f648d4 | 337 | // init special features |
wim | 32:59c4b8f648d4 | 338 | _writeCommand(0x20 | _function_1);// Function set 001 DL N RE(1) BE 0 (Ext Regs) |
wim | 32:59c4b8f648d4 | 339 | // DL=0 (4 bits bus), DL=1 (8 bits mode) |
wim | 32:59c4b8f648d4 | 340 | // N=0 (1 line mode), N=1 (2 line mode) |
wim | 32:59c4b8f648d4 | 341 | // RE=1 (Ena Extended Regs, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 342 | // BE=0 (Blink Enable/Disable, CG/SEG RAM, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 343 | // 0 |
wim | 32:59c4b8f648d4 | 344 | |
wim | 32:59c4b8f648d4 | 345 | _writeCommand(0x08 | _function_x); // Ext Function set 0000 1 FW BW NW (Ext Regs) |
wim | 32:59c4b8f648d4 | 346 | // FW=0 (5-dot font, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 347 | // BW=0 (Cur BW invert disable, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 348 | // NW=0 (1,2 Line), NW=1 (4 line, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 349 | |
wim | 32:59c4b8f648d4 | 350 | _writeCommand(0x10); // Scroll/Shift set 0001 DS/HS4 DS/HS3 DS/HS2 DS/HS1 (Ext Regs) |
wim | 32:59c4b8f648d4 | 351 | // Dotscroll/Display shift enable (Special mode for KS0078) |
wim | 32:59c4b8f648d4 | 352 | |
wim | 32:59c4b8f648d4 | 353 | _writeCommand(0x80); // Scroll Quantity set 1 0 SQ5 SQ4 SQ3 SQ2 SQ1 SQ0 (Ext Regs) |
wim | 32:59c4b8f648d4 | 354 | // Scroll quantity (Special mode for KS0078) |
wim | 32:59c4b8f648d4 | 355 | |
wim | 32:59c4b8f648d4 | 356 | _writeCommand(0x20 | _function); // Function set 001 DL N RE(0) DH REV (Std Regs) |
wim | 32:59c4b8f648d4 | 357 | // DL=0 (4 bits bus), DL=1 (8 bits mode) |
wim | 32:59c4b8f648d4 | 358 | // N=0 (1 line mode), N=1 (2 line mode) |
wim | 32:59c4b8f648d4 | 359 | // RE=0 (Dis. Extended Regs, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 360 | // DH=1 (Disp shift enable/disable, special mode for KS0078) |
wim | 32:59c4b8f648d4 | 361 | // REV=0 (Reverse/Normal, special mode for KS0078) |
wim | 29:a3663151aa65 | 362 | break; // case KS0078 Controller |
wim | 29:a3663151aa65 | 363 | |
wim | 26:bd897a001012 | 364 | case ST7032_3V3: |
wim | 26:bd897a001012 | 365 | // ST7032 controller: Initialise Voltage booster for VLCD. VDD=3V3 |
wim | 26:bd897a001012 | 366 | case ST7032_5V: |
wim | 32:59c4b8f648d4 | 367 | // ST7032 controller: Disable Voltage booster for VLCD. VDD=5V |
wim | 29:a3663151aa65 | 368 | |
wim | 29:a3663151aa65 | 369 | // Initialise Display configuration |
wim | 29:a3663151aa65 | 370 | switch (_type) { |
wim | 29:a3663151aa65 | 371 | case LCD8x1: //8x1 is a regular 1 line display |
wim | 29:a3663151aa65 | 372 | case LCD8x2B: //8x2B is a special case of 16x1 |
wim | 29:a3663151aa65 | 373 | // case LCD12x1: |
wim | 29:a3663151aa65 | 374 | case LCD16x1: |
wim | 30:033048611c01 | 375 | // case LCD20x1: |
wim | 32:59c4b8f648d4 | 376 | case LCD24x1: |
wim | 32:59c4b8f648d4 | 377 | _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 | 378 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 32:59c4b8f648d4 | 379 | // Saved to allow switch between Instruction sets at later time |
wim | 32:59c4b8f648d4 | 380 | break; |
wim | 28:30fa94f7341c | 381 | |
wim | 32:59c4b8f648d4 | 382 | case LCD12x3D: // Special mode for KS0078 and PCF21XX |
wim | 32:59c4b8f648d4 | 383 | case LCD12x3D1: // Special mode for KS0078 and PCF21XX |
wim | 32:59c4b8f648d4 | 384 | case LCD12x4D: // Special mode for KS0078 and PCF21XX |
wim | 33:900a94bc7585 | 385 | case LCD16x3G: // Special mode for ST7036 |
wim | 32:59c4b8f648d4 | 386 | case LCD24x4D: // Special mode for KS0078 |
wim | 32:59c4b8f648d4 | 387 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 30:033048611c01 | 388 | break; |
wim | 29:a3663151aa65 | 389 | |
wim | 32:59c4b8f648d4 | 390 | default: |
wim | 32:59c4b8f648d4 | 391 | // All other LCD types are initialised as 2 Line displays |
wim | 32:59c4b8f648d4 | 392 | _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 | 393 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 32:59c4b8f648d4 | 394 | // Saved to allow switch between Instruction sets at later time |
wim | 32:59c4b8f648d4 | 395 | break; |
wim | 32:59c4b8f648d4 | 396 | } // switch type |
wim | 32:59c4b8f648d4 | 397 | |
wim | 32:59c4b8f648d4 | 398 | // init special features |
wim | 33:900a94bc7585 | 399 | _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N F 0 IS=1 Select Instr Set = 1 |
wim | 33:900a94bc7585 | 400 | |
wim | 33:900a94bc7585 | 401 | _writeCommand(0x1C); // Internal OSC frequency adjustment Framefreq=183HZ, Bias will be 1/4 (Instr Set=1) |
wim | 32:59c4b8f648d4 | 402 | |
wim | 32:59c4b8f648d4 | 403 | _contrast = LCD_ST7032_CONTRAST; |
wim | 32:59c4b8f648d4 | 404 | _writeCommand(0x70 | (_contrast & 0x0F)); // Set Contrast Low bits, 0 1 1 1 C3 C2 C1 C0 (IS=1) |
wim | 32:59c4b8f648d4 | 405 | |
wim | 32:59c4b8f648d4 | 406 | |
wim | 32:59c4b8f648d4 | 407 | if (_ctrl == ST7032_3V3) { |
wim | 36:9f5f86dfd44a | 408 | // _icon_power = 0x04; // Icon display off, Booster circuit is turned on (IS=1) |
wim | 36:9f5f86dfd44a | 409 | _icon_power = 0x0C; // Icon display on, Booster circuit is turned on (IS=1) |
wim | 32:59c4b8f648d4 | 410 | // Saved to allow contrast change at later time |
wim | 32:59c4b8f648d4 | 411 | } |
wim | 32:59c4b8f648d4 | 412 | else { |
wim | 36:9f5f86dfd44a | 413 | // _icon_power = 0x00; // Icon display off, Booster circuit is turned off (IS=1) |
wim | 36:9f5f86dfd44a | 414 | _icon_power = 0x08; // Icon display on, Booster circuit is turned off (IS=1) |
wim | 32:59c4b8f648d4 | 415 | // Saved to allow contrast change at later time |
wim | 32:59c4b8f648d4 | 416 | } |
wim | 32:59c4b8f648d4 | 417 | _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 | 418 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 32:59c4b8f648d4 | 419 | |
wim | 32:59c4b8f648d4 | 420 | _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 | 421 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 32:59c4b8f648d4 | 422 | |
wim | 32:59c4b8f648d4 | 423 | _writeCommand(0x20 | _function); // Select Instruction Set = 0 |
wim | 32:59c4b8f648d4 | 424 | |
wim | 32:59c4b8f648d4 | 425 | break; // case ST7032_3V3 Controller |
wim | 32:59c4b8f648d4 | 426 | // case ST7032_5V Controller |
wim | 32:59c4b8f648d4 | 427 | |
wim | 32:59c4b8f648d4 | 428 | case ST7036_3V3: |
wim | 32:59c4b8f648d4 | 429 | // ST7036 controller: Initialise Voltage booster for VLCD. VDD=3V3 |
wim | 32:59c4b8f648d4 | 430 | // Note: supports 1,2 (LCD_T_A) or 3 lines (LCD_T_G) |
wim | 32:59c4b8f648d4 | 431 | case ST7036_5V: |
wim | 32:59c4b8f648d4 | 432 | // ST7036 controller: Disable Voltage booster for VLCD. VDD=5V |
wim | 32:59c4b8f648d4 | 433 | // Note: supports 1,2 (LCD_T_A) or 3 lines (LCD_T_G) |
wim | 32:59c4b8f648d4 | 434 | |
wim | 32:59c4b8f648d4 | 435 | // Initialise Display configuration |
wim | 32:59c4b8f648d4 | 436 | switch (_type) { |
wim | 32:59c4b8f648d4 | 437 | case LCD8x1: //8x1 is a regular 1 line display |
wim | 32:59c4b8f648d4 | 438 | case LCD8x2B: //8x2D is a special case of 16x1 |
wim | 32:59c4b8f648d4 | 439 | // case LCD12x1: |
wim | 32:59c4b8f648d4 | 440 | case LCD16x1: |
wim | 32:59c4b8f648d4 | 441 | case LCD24x1: |
wim | 32:59c4b8f648d4 | 442 | _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 | 443 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 32:59c4b8f648d4 | 444 | // Saved to allow switch between Instruction sets at later time |
wim | 32:59c4b8f648d4 | 445 | |
wim | 32:59c4b8f648d4 | 446 | _bias_lines = 0x04; // Bias: 1/5, 1 or 2-Lines LCD |
wim | 32:59c4b8f648d4 | 447 | break; |
wim | 32:59c4b8f648d4 | 448 | |
wim | 32:59c4b8f648d4 | 449 | // case LCD12x3G: // Special mode for ST7036 |
wim | 32:59c4b8f648d4 | 450 | case LCD16x3G: // Special mode for ST7036 |
wim | 32:59c4b8f648d4 | 451 | _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 | 452 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 32:59c4b8f648d4 | 453 | // Saved to allow switch between Instruction sets at later time |
wim | 32:59c4b8f648d4 | 454 | |
wim | 32:59c4b8f648d4 | 455 | _bias_lines = 0x05; // Bias: 1/5, 3-Lines LCD |
wim | 32:59c4b8f648d4 | 456 | break; |
wim | 32:59c4b8f648d4 | 457 | |
wim | 32:59c4b8f648d4 | 458 | // case LCD12x3D1: // Special mode for KS0078 and PCF21XX |
wim | 32:59c4b8f648d4 | 459 | // case LCD16x3D1: // Special mode for SSD1803 |
wim | 30:033048611c01 | 460 | case LCD12x4D: // Special mode for PCF2116 |
wim | 30:033048611c01 | 461 | case LCD24x4D: // Special mode for KS0078 |
wim | 30:033048611c01 | 462 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 29:a3663151aa65 | 463 | break; |
wim | 28:30fa94f7341c | 464 | |
wim | 29:a3663151aa65 | 465 | default: |
wim | 32:59c4b8f648d4 | 466 | // All other LCD types are initialised as 2 Line displays (including LCD16x1C and LCD40x4) |
wim | 32:59c4b8f648d4 | 467 | _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 | 468 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 32:59c4b8f648d4 | 469 | // Saved to allow switch between Instruction sets at later time |
wim | 32:59c4b8f648d4 | 470 | |
wim | 32:59c4b8f648d4 | 471 | _bias_lines = 0x04; // Bias: 1/5, 1 or 2-Lines LCD |
wim | 32:59c4b8f648d4 | 472 | break; |
wim | 32:59c4b8f648d4 | 473 | } // switch type |
wim | 32:59c4b8f648d4 | 474 | |
wim | 29:a3663151aa65 | 475 | |
wim | 32:59c4b8f648d4 | 476 | // init special features |
wim | 33:900a94bc7585 | 477 | _writeCommand(0x20 | _function | 0x01); // Set function, IS2,IS1 = 01 (Select Instr Set = 1) |
wim | 32:59c4b8f648d4 | 478 | _writeCommand(0x10 | _bias_lines); // Set Bias and 1,2 or 3 lines (Instr Set 1) |
wim | 29:a3663151aa65 | 479 | |
wim | 32:59c4b8f648d4 | 480 | _contrast = LCD_ST7036_CONTRAST; |
wim | 32:59c4b8f648d4 | 481 | _writeCommand(0x70 | (_contrast & 0x0F)); // Set Contrast, 0 1 1 1 C3 C2 C1 C0 (Instr Set 1) |
wim | 32:59c4b8f648d4 | 482 | |
wim | 32:59c4b8f648d4 | 483 | if (_ctrl == ST7036_3V3) { |
wim | 36:9f5f86dfd44a | 484 | _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 | 485 | // _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 | 486 | // Saved to allow contrast change at later time |
wim | 32:59c4b8f648d4 | 487 | } |
wim | 32:59c4b8f648d4 | 488 | else { |
wim | 36:9f5f86dfd44a | 489 | _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 | 490 | // _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 | 491 | } |
wim | 29:a3663151aa65 | 492 | |
wim | 32:59c4b8f648d4 | 493 | _writeCommand(0x50 | _icon_power | ((_contrast >> 4) & 0x03)); // Set Contrast C5, C4 (Instr Set 1) |
wim | 32:59c4b8f648d4 | 494 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 32:59c4b8f648d4 | 495 | |
wim | 32:59c4b8f648d4 | 496 | _writeCommand(0x68 | (LCD_ST7036_RAB & 0x07)); // Voltagefollower On = 1, Ampl ratio Rab2, Rab1, Rab0 = 1 0 1 (Instr Set 1) |
wim | 32:59c4b8f648d4 | 497 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 28:30fa94f7341c | 498 | |
wim | 32:59c4b8f648d4 | 499 | _writeCommand(0x20 | _function); // Set function, IS2,IS1 = 00 (Select Instruction Set = 0) |
wim | 32:59c4b8f648d4 | 500 | |
wim | 32:59c4b8f648d4 | 501 | break; // case ST7036_3V3 Controller |
wim | 32:59c4b8f648d4 | 502 | // case ST7036_5V Controller |
wim | 36:9f5f86dfd44a | 503 | |
wim | 36:9f5f86dfd44a | 504 | case ST7070: |
wim | 36:9f5f86dfd44a | 505 | // Initialise Display configuration |
wim | 36:9f5f86dfd44a | 506 | switch (_type) { |
wim | 36:9f5f86dfd44a | 507 | case LCD8x1: //8x1 is a regular 1 line display |
wim | 36:9f5f86dfd44a | 508 | case LCD8x2B: //8x2D is a special case of 16x1 |
wim | 36:9f5f86dfd44a | 509 | // case LCD12x1: |
wim | 36:9f5f86dfd44a | 510 | case LCD16x1: |
wim | 36:9f5f86dfd44a | 511 | case LCD24x1: |
wim | 36:9f5f86dfd44a | 512 | _function = dl | 0x00; // Set function, 0 0 1 DL=0 (4-bit Databus), N=0 (1 Line), EXT=0, x, x |
wim | 36:9f5f86dfd44a | 513 | // Note: 4 bit mode is NOT ignored for native SPI ! |
wim | 36:9f5f86dfd44a | 514 | // Saved to allow switch between Instruction sets at later time |
wim | 36:9f5f86dfd44a | 515 | break; |
wim | 36:9f5f86dfd44a | 516 | |
wim | 36:9f5f86dfd44a | 517 | // case LCD12x3D1: // Special mode for KS0078 and PCF21XX |
wim | 36:9f5f86dfd44a | 518 | // case LCD16x3D1: // Special mode for SSD1803 |
wim | 36:9f5f86dfd44a | 519 | case LCD12x4D: // Special mode for PCF2116 |
wim | 36:9f5f86dfd44a | 520 | case LCD24x4D: // Special mode for KS0078 |
wim | 36:9f5f86dfd44a | 521 | // case LCD12x3G: // Special mode for ST7036 |
wim | 36:9f5f86dfd44a | 522 | case LCD16x3G: // Special mode for ST7036 |
wim | 36:9f5f86dfd44a | 523 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 36:9f5f86dfd44a | 524 | break; |
wim | 36:9f5f86dfd44a | 525 | |
wim | 36:9f5f86dfd44a | 526 | default: |
wim | 36:9f5f86dfd44a | 527 | // All other LCD types are initialised as 2 Line displays (including LCD16x1C and LCD40x4) |
wim | 36:9f5f86dfd44a | 528 | _function = dl | 0x08; // Set function, 0 0 1 DL, N=1 (2 Line), EXT=0, x, x |
wim | 36:9f5f86dfd44a | 529 | // Note: 4 bit mode is NOT ignored for native SPI ! |
wim | 36:9f5f86dfd44a | 530 | // Saved to allow switch between Instruction sets at later time |
wim | 36:9f5f86dfd44a | 531 | break; |
wim | 36:9f5f86dfd44a | 532 | } // switch type |
wim | 36:9f5f86dfd44a | 533 | |
wim | 36:9f5f86dfd44a | 534 | // _writeCommand(0x00); // NOP, make sure to sync SPI |
wim | 36:9f5f86dfd44a | 535 | |
wim | 36:9f5f86dfd44a | 536 | // init special features |
wim | 36:9f5f86dfd44a | 537 | _writeCommand(0x20 | _function | 0x04); // Set function, 0 0 1 DL N EXT=1 x x (Select Instr Set = 1) |
wim | 36:9f5f86dfd44a | 538 | |
wim | 36:9f5f86dfd44a | 539 | _writeCommand(0x04 | 0x00); // Set Bias resistors 0 0 0 0 0 1 Rb1,Rb0= 0 0 (Extern Res) (Instr Set 1) |
wim | 36:9f5f86dfd44a | 540 | |
wim | 36:9f5f86dfd44a | 541 | _writeCommand(0x40 | 0x00); // COM/SEG directions 0 1 0 0 C1, C2, S1, S2 (Instr Set 1) |
wim | 36:9f5f86dfd44a | 542 | // C1=1: Com1-8 -> Com8-1; C2=1: Com9-16 -> Com16-9 |
wim | 36:9f5f86dfd44a | 543 | // S1=1: Seg1-40 -> Seg40-1; S2=1: Seg41-80 -> Seg80-41 |
wim | 36:9f5f86dfd44a | 544 | |
wim | 36:9f5f86dfd44a | 545 | _writeCommand(0x20 | _function); // Set function, EXT=0 (Select Instr Set = 0) |
wim | 36:9f5f86dfd44a | 546 | |
wim | 36:9f5f86dfd44a | 547 | break; // case ST7070 Controller |
wim | 36:9f5f86dfd44a | 548 | |
wim | 32:59c4b8f648d4 | 549 | case SSD1803_3V3: |
wim | 32:59c4b8f648d4 | 550 | // SSD1803 controller: Initialise Voltage booster for VLCD. VDD=3V3 |
wim | 32:59c4b8f648d4 | 551 | // Note: supports 1,2, 3 or 4 lines |
wim | 32:59c4b8f648d4 | 552 | // case SSD1803_5V: |
wim | 32:59c4b8f648d4 | 553 | // SSD1803 controller: No Voltage booster for VLCD. VDD=5V |
wim | 32:59c4b8f648d4 | 554 | |
wim | 29:a3663151aa65 | 555 | // Initialise Display configuration |
wim | 29:a3663151aa65 | 556 | switch (_type) { |
wim | 29:a3663151aa65 | 557 | case LCD8x1: //8x1 is a regular 1 line display |
wim | 30:033048611c01 | 558 | case LCD8x2B: //8x2D is a special case of 16x1 |
wim | 29:a3663151aa65 | 559 | // case LCD12x1: |
wim | 29:a3663151aa65 | 560 | case LCD16x1: |
wim | 29:a3663151aa65 | 561 | case LCD24x1: |
wim | 32:59c4b8f648d4 | 562 | _function = 0x00; // Set function 0 0 1 DL N DH RE(0) IS |
wim | 32:59c4b8f648d4 | 563 | // Saved to allow switch between Instruction sets at later time |
wim | 32:59c4b8f648d4 | 564 | // DL=0 4-bit Databus, |
wim | 32:59c4b8f648d4 | 565 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 32:59c4b8f648d4 | 566 | // N=0 1 Line / 3 Line |
wim | 32:59c4b8f648d4 | 567 | // DH=0 Double Height disable |
wim | 32:59c4b8f648d4 | 568 | // IS=0 |
wim | 32:59c4b8f648d4 | 569 | |
wim | 33:900a94bc7585 | 570 | _function_1 = 0x02; // Set function, 0 0 1 DL N BE RE(1) REV |
wim | 32:59c4b8f648d4 | 571 | // Saved to allow switch between Instruction sets at later time |
wim | 32:59c4b8f648d4 | 572 | // DL=0 4-bit Databus, |
wim | 32:59c4b8f648d4 | 573 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 32:59c4b8f648d4 | 574 | // N=0 1 Line / 3 Line |
wim | 32:59c4b8f648d4 | 575 | // BE=0 Blink Enable off, special feature of SSD1803 |
wim | 32:59c4b8f648d4 | 576 | // REV=0 Reverse off, special feature of SSD1803 |
wim | 32:59c4b8f648d4 | 577 | |
wim | 32:59c4b8f648d4 | 578 | _lines = 0x00; // Ext function set 0 0 0 0 1 FW BW NW |
wim | 32:59c4b8f648d4 | 579 | // NW=0 1-Line LCD (N=0) |
wim | 29:a3663151aa65 | 580 | break; |
wim | 32:59c4b8f648d4 | 581 | |
wim | 33:900a94bc7585 | 582 | case LCD12x3D: // Special mode for KS0078 and PCF21XX |
wim | 32:59c4b8f648d4 | 583 | // case LCD12x3D1: // Special mode for KS0078 and PCF21XX |
wim | 33:900a94bc7585 | 584 | case LCD16x3D: // Special mode for KS0078 |
wim | 32:59c4b8f648d4 | 585 | // case LCD16x3D1: // Special mode for SSD1803 |
wim | 32:59c4b8f648d4 | 586 | // case LCD20x3D: // Special mode for SSD1803 |
wim | 32:59c4b8f648d4 | 587 | _function = 0x00; // Set function 0 0 1 DL N DH RE(0) IS |
wim | 32:59c4b8f648d4 | 588 | // Saved to allow switch between Instruction sets at later time |
wim | 32:59c4b8f648d4 | 589 | // DL=0 4-bit Databus, |
wim | 32:59c4b8f648d4 | 590 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 32:59c4b8f648d4 | 591 | // N=0 1 Line / 3 Line |
wim | 32:59c4b8f648d4 | 592 | // DH=0 Double Height disable |
wim | 32:59c4b8f648d4 | 593 | // IS=0 |
wim | 32:59c4b8f648d4 | 594 | |
wim | 33:900a94bc7585 | 595 | _function_1 = 0x02; // Set function, 0 0 1 DL N BE RE(1) REV |
wim | 32:59c4b8f648d4 | 596 | // Saved to allow switch between Instruction sets at later time |
wim | 32:59c4b8f648d4 | 597 | // DL=0 4-bit Databus, |
wim | 32:59c4b8f648d4 | 598 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 32:59c4b8f648d4 | 599 | // N=0 1 Line / 3 Line |
wim | 32:59c4b8f648d4 | 600 | // BE=0 Blink Enable off, special feature of SSD1803 |
wim | 32:59c4b8f648d4 | 601 | // REV=0 Reverse off, special feature of SSD1803 |
wim | 32:59c4b8f648d4 | 602 | |
wim | 32:59c4b8f648d4 | 603 | _lines = 0x00; // Ext function set 0 0 0 0 1 FW BW NW |
wim | 32:59c4b8f648d4 | 604 | // NW=1 3-Line LCD (N=0) |
wim | 29:a3663151aa65 | 605 | break; |
wim | 30:033048611c01 | 606 | |
wim | 39:e9c2319de9c5 | 607 | // case LCD10x2D: // Special mode for SSD1803, 4-line mode but switch to double height font |
wim | 39:e9c2319de9c5 | 608 | case LCD10x4D: // Special mode for SSD1803 |
wim | 32:59c4b8f648d4 | 609 | case LCD20x4D: // Special mode for SSD1803 |
wim | 32:59c4b8f648d4 | 610 | _function = 0x08; // Set function 0 0 1 DL N DH RE(0) IS |
wim | 32:59c4b8f648d4 | 611 | // Saved to allow switch between Instruction sets at later time |
wim | 32:59c4b8f648d4 | 612 | // DL=0 4-bit Databus, |
wim | 32:59c4b8f648d4 | 613 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 32:59c4b8f648d4 | 614 | // N=1 4 Line |
wim | 32:59c4b8f648d4 | 615 | // DH=0 Double Height disable |
wim | 32:59c4b8f648d4 | 616 | // IS=0 |
wim | 32:59c4b8f648d4 | 617 | |
wim | 33:900a94bc7585 | 618 | _function_1 = 0x0A; // Set function, 0 0 1 DL N BE RE(1) REV |
wim | 32:59c4b8f648d4 | 619 | // Saved to allow switch between Instruction sets at later time |
wim | 32:59c4b8f648d4 | 620 | // DL=0 4-bit Databus, |
wim | 32:59c4b8f648d4 | 621 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 32:59c4b8f648d4 | 622 | // N=1 4 Line |
wim | 32:59c4b8f648d4 | 623 | // BE=0 Blink Enable off, special feature of SSD1803 |
wim | 32:59c4b8f648d4 | 624 | // REV=0 Reverse off, special feature of SSD1803 |
wim | 32:59c4b8f648d4 | 625 | |
wim | 32:59c4b8f648d4 | 626 | _lines = 0x01; // Ext function set 0 0 0 0 1 FW BW NW |
wim | 32:59c4b8f648d4 | 627 | // NW=1 4-Line LCD (N=1) |
wim | 32:59c4b8f648d4 | 628 | break; |
wim | 32:59c4b8f648d4 | 629 | |
wim | 33:900a94bc7585 | 630 | case LCD16x3G: // Special mode for ST7036 |
wim | 32:59c4b8f648d4 | 631 | case LCD24x4D: // Special mode for KS0078 |
wim | 30:033048611c01 | 632 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 30:033048611c01 | 633 | break; |
wim | 30:033048611c01 | 634 | |
wim | 29:a3663151aa65 | 635 | default: |
wim | 30:033048611c01 | 636 | // All other LCD types are initialised as 2 Line displays (including LCD16x1C and LCD40x4) |
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 2 line / 4 Line |
wim | 32:59c4b8f648d4 | 642 | // DH=0 Double Height disable |
wim | 36:9f5f86dfd44a | 643 | // RE=0 |
wim | 32:59c4b8f648d4 | 644 | // IS=0 |
wim | 29:a3663151aa65 | 645 | |
wim | 33:900a94bc7585 | 646 | _function_1 = 0x0A; // Set function, 0 0 1 DL N BE RE(1) REV |
wim | 32:59c4b8f648d4 | 647 | // Saved to allow switch between Instruction sets at later time |
wim | 32:59c4b8f648d4 | 648 | // DL=0 4-bit Databus, |
wim | 32:59c4b8f648d4 | 649 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 32:59c4b8f648d4 | 650 | // N=1 2 line / 4 Line |
wim | 32:59c4b8f648d4 | 651 | // BE=0 Blink Enable off, special feature of SSD1803 |
wim | 36:9f5f86dfd44a | 652 | // RE=1 |
wim | 32:59c4b8f648d4 | 653 | // REV=0 Reverse off, special feature of SSD1803 |
wim | 32:59c4b8f648d4 | 654 | |
wim | 32:59c4b8f648d4 | 655 | _lines = 0x00; // Ext function set 0 0 0 0 1 FW BW NW |
wim | 32:59c4b8f648d4 | 656 | // NW=0 2-Line LCD (N=1) |
wim | 32:59c4b8f648d4 | 657 | break; |
wim | 32:59c4b8f648d4 | 658 | } // switch type |
wim | 32:59c4b8f648d4 | 659 | |
wim | 32:59c4b8f648d4 | 660 | |
wim | 32:59c4b8f648d4 | 661 | // init special features |
wim | 33:900a94bc7585 | 662 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 DL N BE RE(1) REV |
wim | 32:59c4b8f648d4 | 663 | // Select Extended Instruction Set |
wim | 33:900a94bc7585 | 664 | |
wim | 33:900a94bc7585 | 665 | _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 | 666 | // _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 | 667 | wait_ms(5); // Wait to ensure completion or SSD1803 fails to set Top/Bottom after reset.. |
wim | 33:900a94bc7585 | 668 | |
wim | 33:900a94bc7585 | 669 | _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 | 670 | |
wim | 32:59c4b8f648d4 | 671 | _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 | 672 | |
wim | 32:59c4b8f648d4 | 673 | // _writeCommand(0x76); // Set TC Control, 0 1 1 1 0 1 1 0 (Ext Instr Set) |
wim | 32:59c4b8f648d4 | 674 | // _writeData(0x02); // Set TC data, 0 0 0 0 0 TC2,TC1,TC0 = 0 1 0 (Ext Instr Set) |
wim | 32:59c4b8f648d4 | 675 | |
wim | 32:59c4b8f648d4 | 676 | _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N DH RE(0) IS=1 Select Instruction Set 1 |
wim | 32:59c4b8f648d4 | 677 | // Select Std Instr set, Select IS=1 |
wim | 32:59c4b8f648d4 | 678 | |
wim | 32:59c4b8f648d4 | 679 | _contrast = LCD_SSD1_CONTRAST; |
wim | 32:59c4b8f648d4 | 680 | _writeCommand(0x70 | (_contrast & 0x0F)); // Set Contrast 0 1 1 1 C3, C2, C1, C0 (Instr Set 1) |
wim | 32:59c4b8f648d4 | 681 | |
wim | 36:9f5f86dfd44a | 682 | // _icon_power = 0x04; // Icon off, Booster on (Instr Set 1) |
wim | 36:9f5f86dfd44a | 683 | _icon_power = 0x0C; // Icon on, Booster on (Instr Set 1) |
wim | 32:59c4b8f648d4 | 684 | // Saved to allow contrast change at later time |
wim | 32:59c4b8f648d4 | 685 | _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 | 686 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 32:59c4b8f648d4 | 687 | |
wim | 32:59c4b8f648d4 | 688 | _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 | 689 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 32:59c4b8f648d4 | 690 | |
wim | 33:900a94bc7585 | 691 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 DL N BE RE(1) REV |
wim | 32:59c4b8f648d4 | 692 | // Select Extended Instruction Set 1 |
wim | 32:59c4b8f648d4 | 693 | _writeCommand(0x10); // Shift/Scroll enable, 0 0 0 1 DS4/HS4 DS3/HS3 DS2/HS2 DS1/HS1 (Ext Instr Set 1) |
wim | 32:59c4b8f648d4 | 694 | |
wim | 32:59c4b8f648d4 | 695 | |
wim | 32:59c4b8f648d4 | 696 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
wim | 32:59c4b8f648d4 | 697 | // Select Std Instr set, Select IS=0 |
wim | 32:59c4b8f648d4 | 698 | |
wim | 32:59c4b8f648d4 | 699 | break; // case SSD1803 Controller |
wim | 32:59c4b8f648d4 | 700 | |
wim | 29:a3663151aa65 | 701 | |
wim | 32:59c4b8f648d4 | 702 | // Note1: The PCF21XX family of controllers has several types that dont have an onboard voltage generator for V-LCD. |
wim | 32:59c4b8f648d4 | 703 | // You must supply this LCD voltage externally and not try to enable VGen. |
wim | 32:59c4b8f648d4 | 704 | // 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 | 705 | // 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 | 706 | // More recent versions of the controller (eg PCF2116K) have an improved VGen that will work with 3V3. |
wim | 32:59c4b8f648d4 | 707 | // 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 | 708 | // contrast control similar to that of pin 3 on the standard 14pin LCD module connector. |
wim | 32:59c4b8f648d4 | 709 | // You can disable VGen by connecting Vo to VDD. VLCD will then be used directly as LCD voltage. |
wim | 32:59c4b8f648d4 | 710 | // 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 | 711 | // 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 | 712 | // 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 | 713 | // 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 | 714 | |
wim | 34:e5a0dcb43ecc | 715 | case PCF2103_3V3: |
wim | 34:e5a0dcb43ecc | 716 | // PCF2103 controller: No Voltage generator for VLCD, VDD=3V3..5V, VLCD input controls contrast voltage. |
wim | 34:e5a0dcb43ecc | 717 | // Initialise Display configuration |
wim | 34:e5a0dcb43ecc | 718 | switch (_type) { |
wim | 34:e5a0dcb43ecc | 719 | case LCD24x1: |
wim | 34:e5a0dcb43ecc | 720 | _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 | 721 | //Note: 4 bit mode is ignored for I2C mode |
wim | 34:e5a0dcb43ecc | 722 | break; |
wim | 34:e5a0dcb43ecc | 723 | |
wim | 34:e5a0dcb43ecc | 724 | // case LCD12x1D: //Special mode for PCF21XX, Only top line used |
wim | 34:e5a0dcb43ecc | 725 | case LCD12x2: |
wim | 34:e5a0dcb43ecc | 726 | _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 | 727 | //Note: 4 bit mode is ignored for I2C mode |
wim | 34:e5a0dcb43ecc | 728 | break; |
wim | 34:e5a0dcb43ecc | 729 | |
wim | 34:e5a0dcb43ecc | 730 | default: |
wim | 34:e5a0dcb43ecc | 731 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 34:e5a0dcb43ecc | 732 | break; |
wim | 34:e5a0dcb43ecc | 733 | |
wim | 34:e5a0dcb43ecc | 734 | } // switch type |
wim | 34:e5a0dcb43ecc | 735 | |
wim | 34:e5a0dcb43ecc | 736 | _writeCommand(0x20 | _function | 0x01); // Set function, Select Instr Set = 1 |
wim | 34:e5a0dcb43ecc | 737 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 34:e5a0dcb43ecc | 738 | |
wim | 34:e5a0dcb43ecc | 739 | // 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 | 740 | _writeCommand(0x05); // Display Conf Set 0000 0, 1, P=0, Q=1 (Instr. Set 1) |
wim | 34:e5a0dcb43ecc | 741 | |
wim | 34:e5a0dcb43ecc | 742 | _writeCommand(0x02); // Screen Config 0000 001, L=0 (Instr. Set 1) |
wim | 34:e5a0dcb43ecc | 743 | _writeCommand(0x08); // ICON Conf 0000 1, IM=0 (Char mode), IB=0 (no Icon blink), 0 (Instr. Set 1) |
wim | 34:e5a0dcb43ecc | 744 | |
wim | 34:e5a0dcb43ecc | 745 | _writeCommand(0x20 | _function); // Set function, Select Instr Set = 0 |
wim | 34:e5a0dcb43ecc | 746 | |
wim | 36:9f5f86dfd44a | 747 | #if(0) |
wim | 34:e5a0dcb43ecc | 748 | // Select CG RAM |
wim | 34:e5a0dcb43ecc | 749 | _writeCommand(0x40); //Set CG-RAM address, 8 sequential locations needed per UDC |
wim | 34:e5a0dcb43ecc | 750 | // Store UDC/Icon pattern: |
wim | 34:e5a0dcb43ecc | 751 | // 3 x 8 rows x 5 bits = 120 bits for Normal pattern (UDC 0..2) and |
wim | 34:e5a0dcb43ecc | 752 | // 3 x 8 rows x 5 bits = 120 bits for Blink pattern (UDC 4..6) |
wim | 34:e5a0dcb43ecc | 753 | for (int i=0; i<(8 * 8); i++) { |
wim | 34:e5a0dcb43ecc | 754 | // _writeData(0x1F); // All On |
wim | 34:e5a0dcb43ecc | 755 | _writeData(0x00); // All Off |
wim | 34:e5a0dcb43ecc | 756 | } |
wim | 36:9f5f86dfd44a | 757 | #endif |
wim | 34:e5a0dcb43ecc | 758 | break; // case PCF2103_3V3 Controller |
wim | 34:e5a0dcb43ecc | 759 | |
wim | 30:033048611c01 | 760 | case PCF2113_3V3: |
wim | 32:59c4b8f648d4 | 761 | // PCF2113 controller: Initialise Voltage booster for VLCD. VDD=3V3. VA and VB control contrast. |
wim | 29:a3663151aa65 | 762 | // Initialise Display configuration |
wim | 29:a3663151aa65 | 763 | switch (_type) { |
wim | 29:a3663151aa65 | 764 | // case LCD12x1: |
wim | 33:900a94bc7585 | 765 | // _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 | 766 | // Note: 4 bit mode is ignored for I2C mode |
wim | 29:a3663151aa65 | 767 | case LCD24x1: |
wim | 33:900a94bc7585 | 768 | _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 | 769 | // Note: 4 bit mode is ignored for I2C mode |
wim | 30:033048611c01 | 770 | break; |
wim | 30:033048611c01 | 771 | |
wim | 30:033048611c01 | 772 | case LCD12x2: |
wim | 33:900a94bc7585 | 773 | _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 | 774 | break; |
wim | 30:033048611c01 | 775 | |
wim | 30:033048611c01 | 776 | default: |
wim | 30:033048611c01 | 777 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 30:033048611c01 | 778 | break; |
wim | 30:033048611c01 | 779 | |
wim | 30:033048611c01 | 780 | } // switch type |
wim | 30:033048611c01 | 781 | |
wim | 32:59c4b8f648d4 | 782 | // Init special features |
wim | 33:900a94bc7585 | 783 | _writeCommand(0x20 | _function | 0x01); // Set function, Select Instr Set = 1 |
wim | 33:900a94bc7585 | 784 | |
wim | 33:900a94bc7585 | 785 | _writeCommand(0x04); // Display Conf Set 0000 0, 1, P=0, Q=0 (Instr. Set 1) |
wim | 33:900a94bc7585 | 786 | _writeCommand(0x10); // Temp Compensation Set 0001 0, 0, TC1=0, TC2=0 (Instr. Set 1) |
wim | 33:900a94bc7585 | 787 | // _writeCommand(0x42); // HV GEN 0100 S1=1, S2=0 (2x multiplier) (Instr. Set 1) |
wim | 33:900a94bc7585 | 788 | _writeCommand(0x40 | (LCD_PCF2_S12 & 0x03)); // HV Gen 0100 S1=1, S2=0 (2x multiplier) (Instr. Set 1) |
wim | 32:59c4b8f648d4 | 789 | |
wim | 32:59c4b8f648d4 | 790 | _contrast = LCD_PCF2_CONTRAST; |
wim | 33:900a94bc7585 | 791 | _writeCommand(0x80 | 0x00 | (_contrast & 0x3F)); // VLCD_set (Instr. Set 1) 1, V=0, VA=contrast |
wim | 33:900a94bc7585 | 792 | _writeCommand(0x80 | 0x40 | (_contrast & 0x3F)); // VLCD_set (Instr. Set 1) 1, V=1, VB=contrast |
wim | 32:59c4b8f648d4 | 793 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 32:59c4b8f648d4 | 794 | |
wim | 33:900a94bc7585 | 795 | _writeCommand(0x02); // Screen Config 0000 001, L=0 (Instr. Set 1) |
wim | 33:900a94bc7585 | 796 | _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 | 797 | |
wim | 33:900a94bc7585 | 798 | _writeCommand(0x20 | _function); // Set function, Select Instr Set = 0 |
wim | 32:59c4b8f648d4 | 799 | |
wim | 30:033048611c01 | 800 | break; // case PCF2113_3V3 Controller |
wim | 30:033048611c01 | 801 | |
wim | 30:033048611c01 | 802 | |
wim | 32:59c4b8f648d4 | 803 | // case PCF2113_5V: |
wim | 32:59c4b8f648d4 | 804 | // PCF2113 controller: No Voltage generator for VLCD. VDD=5V. Contrast voltage controlled by VA or VB. |
wim | 32:59c4b8f648d4 | 805 | //@TODO |
wim | 32:59c4b8f648d4 | 806 | |
wim | 30:033048611c01 | 807 | |
wim | 30:033048611c01 | 808 | case PCF2116_3V3: |
wim | 32:59c4b8f648d4 | 809 | // PCF2116 controller: Voltage generator for VLCD. VDD=5V. V0 controls contrast voltage. |
wim | 30:033048611c01 | 810 | // Initialise Display configuration |
wim | 30:033048611c01 | 811 | switch (_type) { |
wim | 30:033048611c01 | 812 | // case LCD12x1: |
wim | 30:033048611c01 | 813 | // case LCD12x2: |
wim | 30:033048611c01 | 814 | case LCD24x1: |
wim | 34:e5a0dcb43ecc | 815 | _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 | 816 | //Note: 4 bit mode is ignored for I2C mode |
wim | 29:a3663151aa65 | 817 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 29:a3663151aa65 | 818 | break; |
wim | 29:a3663151aa65 | 819 | |
wim | 32:59c4b8f648d4 | 820 | case LCD12x3D: // Special mode for KS0078 and PCF21XX |
wim | 32:59c4b8f648d4 | 821 | case LCD12x3D1: // Special mode for PCF21XX |
wim | 32:59c4b8f648d4 | 822 | case LCD12x4D: // Special mode for PCF21XX: |
wim | 34:e5a0dcb43ecc | 823 | _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 | 824 | //Note: 4 bit mode is ignored for I2C mode |
wim | 29:a3663151aa65 | 825 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 29:a3663151aa65 | 826 | break; |
wim | 30:033048611c01 | 827 | |
wim | 30:033048611c01 | 828 | case LCD24x2: |
wim | 34:e5a0dcb43ecc | 829 | _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 | 830 | //Note: 4 bit mode is ignored for I2C mode |
wim | 30:033048611c01 | 831 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 32:59c4b8f648d4 | 832 | break; |
wim | 32:59c4b8f648d4 | 833 | |
wim | 30:033048611c01 | 834 | default: |
wim | 30:033048611c01 | 835 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 30:033048611c01 | 836 | break; |
wim | 30:033048611c01 | 837 | |
wim | 29:a3663151aa65 | 838 | } // switch type |
wim | 29:a3663151aa65 | 839 | |
wim | 30:033048611c01 | 840 | break; // case PCF2116_3V3 Controller |
wim | 29:a3663151aa65 | 841 | |
wim | 32:59c4b8f648d4 | 842 | |
wim | 32:59c4b8f648d4 | 843 | //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 | 844 | //@TODO |
wim | 32:59c4b8f648d4 | 845 | case PCF2116_5V: |
wim | 32:59c4b8f648d4 | 846 | // PCF2116 controller: No Voltage generator for VLCD. VDD=5V. V0 controls contrast voltage. |
wim | 32:59c4b8f648d4 | 847 | // Initialise Display configuration |
wim | 32:59c4b8f648d4 | 848 | switch (_type) { |
wim | 32:59c4b8f648d4 | 849 | // case LCD12x1: |
wim | 32:59c4b8f648d4 | 850 | // case LCD12x2: |
wim | 32:59c4b8f648d4 | 851 | // case LCD24x1: |
wim | 34:e5a0dcb43ecc | 852 | // _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 | 853 | //Note: 4 bit mode is ignored for I2C mode |
wim | 32:59c4b8f648d4 | 854 | // wait_ms(10); // Wait 10ms to ensure powered up |
wim | 32:59c4b8f648d4 | 855 | // break; |
wim | 32:59c4b8f648d4 | 856 | |
wim | 32:59c4b8f648d4 | 857 | case LCD12x3D: // Special mode for KS0078 and PCF21XX |
wim | 32:59c4b8f648d4 | 858 | case LCD12x3D1: // Special mode for PCF21XX |
wim | 32:59c4b8f648d4 | 859 | case LCD12x4D: // Special mode for PCF21XX: |
wim | 32:59c4b8f648d4 | 860 | // _writeCommand(0x34); //FUNCTION SET 8 bit, N=0/M=1 4-line/12 chars display mode OK |
wim | 32:59c4b8f648d4 | 861 | // _writeCommand(0x24); //FUNCTION SET 4 bit, N=0/M=1 4-line/12 chars display mode OK |
wim | 34:e5a0dcb43ecc | 862 | _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 | 863 | //Note: 4 bit mode is ignored for I2C mode |
wim | 32:59c4b8f648d4 | 864 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 32:59c4b8f648d4 | 865 | break; |
wim | 32:59c4b8f648d4 | 866 | |
wim | 32:59c4b8f648d4 | 867 | // case LCD24x2: |
wim | 32:59c4b8f648d4 | 868 | // _writeCommand(0x28); //FUNCTION SET 4 bit, N=1/M=0 2-line/24 chars display mode |
wim | 32:59c4b8f648d4 | 869 | //Note: 4 bit mode is ignored for I2C mode |
wim | 32:59c4b8f648d4 | 870 | // wait_ms(10); // Wait 10ms to ensure powered up |
wim | 32:59c4b8f648d4 | 871 | // break; |
wim | 32:59c4b8f648d4 | 872 | |
wim | 32:59c4b8f648d4 | 873 | default: |
wim | 32:59c4b8f648d4 | 874 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 32:59c4b8f648d4 | 875 | break; |
wim | 32:59c4b8f648d4 | 876 | |
wim | 32:59c4b8f648d4 | 877 | } // switch type |
wim | 32:59c4b8f648d4 | 878 | |
wim | 32:59c4b8f648d4 | 879 | break; // case PCF2116_5V Controller |
wim | 32:59c4b8f648d4 | 880 | |
wim | 32:59c4b8f648d4 | 881 | case PCF2119_3V3: |
wim | 39:e9c2319de9c5 | 882 | case PCF2119R_3V3: |
wim | 32:59c4b8f648d4 | 883 | // PCF2119 controller: Initialise Voltage booster for VLCD. VDD=3V3. VA and VB control contrast. |
wim | 32:59c4b8f648d4 | 884 | // Note1: See datasheet, the PCF2119 supports icons and provides separate constrast control for Icons and characters. |
wim | 32:59c4b8f648d4 | 885 | // Note2: Vgen is switched off when the contrast voltage VA or VB is set to 0x00. |
wim | 32:59c4b8f648d4 | 886 | |
wim | 32:59c4b8f648d4 | 887 | //POR or Hardware Reset should be applied |
wim | 32:59c4b8f648d4 | 888 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 32:59c4b8f648d4 | 889 | |
wim | 32:59c4b8f648d4 | 890 | // Initialise Display configuration |
wim | 32:59c4b8f648d4 | 891 | switch (_type) { |
wim | 32:59c4b8f648d4 | 892 | case LCD8x1: |
wim | 32:59c4b8f648d4 | 893 | // case LCD12x1: |
wim | 32:59c4b8f648d4 | 894 | case LCD16x1: |
wim | 34:e5a0dcb43ecc | 895 | _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 | 896 | // Note: 4 bit mode is ignored for I2C mode |
wim | 32:59c4b8f648d4 | 897 | break; |
wim | 32:59c4b8f648d4 | 898 | |
wim | 32:59c4b8f648d4 | 899 | case LCD24x1: |
wim | 32:59c4b8f648d4 | 900 | // case LCD32x1: |
wim | 34:e5a0dcb43ecc | 901 | _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 | 902 | // Note: 4 bit mode is ignored for I2C mode |
wim | 32:59c4b8f648d4 | 903 | break; |
wim | 32:59c4b8f648d4 | 904 | |
wim | 32:59c4b8f648d4 | 905 | case LCD8x2: |
wim | 32:59c4b8f648d4 | 906 | // case LCD12x2: |
wim | 32:59c4b8f648d4 | 907 | case LCD16x2: |
wim | 34:e5a0dcb43ecc | 908 | _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 | 909 | // Note: 4 bit mode is ignored for I2C mode |
wim | 32:59c4b8f648d4 | 910 | break; |
wim | 32:59c4b8f648d4 | 911 | |
wim | 32:59c4b8f648d4 | 912 | default: |
wim | 32:59c4b8f648d4 | 913 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 32:59c4b8f648d4 | 914 | break; |
wim | 32:59c4b8f648d4 | 915 | |
wim | 32:59c4b8f648d4 | 916 | } // switch type |
wim | 32:59c4b8f648d4 | 917 | |
wim | 32:59c4b8f648d4 | 918 | // Init special features |
wim | 32:59c4b8f648d4 | 919 | _writeCommand(0x20 | _function | 0x01); // Set function, Select Instruction Set = 1 |
wim | 32:59c4b8f648d4 | 920 | |
wim | 39:e9c2319de9c5 | 921 | // _writeCommand(0x04); // DISP CONF SET (Instr. Set 1) 0000, 0, 1, P=0, Q=0 (IC at Bottom) |
wim | 39:e9c2319de9c5 | 922 | // _writeCommand(0x05); // Display Conf Set 0000, 0, 1, P=0, Q=1 |
wim | 39:e9c2319de9c5 | 923 | // _writeCommand(0x06); // Display Conf Set 0000, 0, 1, P=1, Q=0 |
wim | 39:e9c2319de9c5 | 924 | _writeCommand(0x07); // Display Conf Set 0000, 0, 1, P=1, Q=1 (IC at Top) |
wim | 39:e9c2319de9c5 | 925 | |
wim | 32:59c4b8f648d4 | 926 | _writeCommand(0x10); // TEMP CTRL SET (Instr. Set 1) 0001, 0, 0, TC1=0, TC2=0 |
wim | 32:59c4b8f648d4 | 927 | // _writeCommand(0x42); // HV GEN (Instr. Set 1) 0100, 0, 0, S1=1, S2=0 (2x multiplier) |
wim | 32:59c4b8f648d4 | 928 | _writeCommand(0x40 | (LCD_PCF2_S12 & 0x03)); // HV GEN (Instr. Set 1) 0100, 0, 0, S1=1, S2=0 (2x multiplier) |
wim | 32:59c4b8f648d4 | 929 | |
wim | 32:59c4b8f648d4 | 930 | _contrast = LCD_PCF2_CONTRAST; |
wim | 32:59c4b8f648d4 | 931 | _writeCommand(0x80 | 0x00 | (_contrast & 0x3F)); // VLCD_set (Instr. Set 1) V=0, VA=contrast |
wim | 32:59c4b8f648d4 | 932 | _writeCommand(0x80 | 0x40 | (_contrast & 0x3F)); // VLCD_set (Instr. Set 1) V=1, VB=contrast |
wim | 32:59c4b8f648d4 | 933 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 32:59c4b8f648d4 | 934 | |
wim | 32:59c4b8f648d4 | 935 | _writeCommand(0x02); // SCRN CONF (Instr. Set 1) L=0 |
wim | 32:59c4b8f648d4 | 936 | _writeCommand(0x08); // ICON CONF (Instr. Set 1) IM=0 (Char mode) IB=0 (no icon blink) DM=0 (no direct mode) |
wim | 32:59c4b8f648d4 | 937 | |
wim | 32:59c4b8f648d4 | 938 | _writeCommand(0x20 | _function); // Select Instruction Set = 0 |
wim | 32:59c4b8f648d4 | 939 | |
wim | 32:59c4b8f648d4 | 940 | break; // case PCF2119_3V3 Controller |
wim | 32:59c4b8f648d4 | 941 | |
wim | 32:59c4b8f648d4 | 942 | // case PCF2119_5V: |
wim | 32:59c4b8f648d4 | 943 | // PCF2119 controller: No Voltage booster for VLCD. VDD=3V3. VA and VB control contrast. |
wim | 32:59c4b8f648d4 | 944 | // Note1: See datasheet, the PCF2119 supports icons and provides separate constrast control for Icons and characters. |
wim | 32:59c4b8f648d4 | 945 | // Note2: Vgen is switched off when the contrast voltage VA or VB is set to 0x00. |
wim | 30:033048611c01 | 946 | //@TODO |
wim | 29:a3663151aa65 | 947 | |
wim | 19:c747b9e2e7b8 | 948 | case WS0010: |
wim | 19:c747b9e2e7b8 | 949 | // WS0010 OLED controller: Initialise DC/DC Voltage converter for LEDs |
wim | 30:033048611c01 | 950 | // Note1: Identical to RS0010 |
wim | 30:033048611c01 | 951 | // Note2: supports 1 or 2 lines (and 16x100 graphics) |
wim | 30:033048611c01 | 952 | // supports 4 fonts (English/Japanese (default), Western European-I, English/Russian, Western European-II) |
wim | 19:c747b9e2e7b8 | 953 | // Cursor/Disp shift set 0001 SC RL 0 0 |
wim | 19:c747b9e2e7b8 | 954 | // |
wim | 30:033048611c01 | 955 | // Mode and Power set 0001 GC PWR 1 1 |
wim | 19:c747b9e2e7b8 | 956 | // GC = 0 (Graph Mode=1, Char Mode=0) |
wim | 30:033048611c01 | 957 | // PWR = 1 (DC/DC On/Off) |
wim | 30:033048611c01 | 958 | |
wim | 30:033048611c01 | 959 | //@Todo: This may be needed to enable a warm reboot |
wim | 32:59c4b8f648d4 | 960 | //_writeCommand(0x13); // Char mode, DC/DC off |
wim | 30:033048611c01 | 961 | //wait_ms(10); // Wait 10ms to ensure powered down |
wim | 32:59c4b8f648d4 | 962 | _writeCommand(0x17); // Char mode, DC/DC on |
wim | 30:033048611c01 | 963 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 29:a3663151aa65 | 964 | |
wim | 29:a3663151aa65 | 965 | // Initialise Display configuration |
wim | 29:a3663151aa65 | 966 | switch (_type) { |
wim | 29:a3663151aa65 | 967 | case LCD8x1: //8x1 is a regular 1 line display |
wim | 29:a3663151aa65 | 968 | case LCD8x2B: //8x2B is a special case of 16x1 |
wim | 29:a3663151aa65 | 969 | // case LCD12x1: |
wim | 29:a3663151aa65 | 970 | case LCD16x1: |
wim | 30:033048611c01 | 971 | case LCD24x1: |
wim | 30:033048611c01 | 972 | _writeCommand(0x20); // Function set 001 DL N F FT1 FT0 |
wim | 30:033048611c01 | 973 | // DL=0 (4 bits bus) |
wim | 30:033048611c01 | 974 | // N=0 (1 line) |
wim | 30:033048611c01 | 975 | // F=0 (5x7 dots font) |
wim | 30:033048611c01 | 976 | // FT=00 (00 = Engl/Jap, 01 = WestEur1, 10 = Engl/Russian, 11 = WestEur2 |
wim | 30:033048611c01 | 977 | break; |
wim | 30:033048611c01 | 978 | |
wim | 32:59c4b8f648d4 | 979 | case LCD12x3D: // Special mode for KS0078 and PCF21XX |
wim | 32:59c4b8f648d4 | 980 | case LCD12x3D1: // Special mode for PCF21XX |
wim | 32:59c4b8f648d4 | 981 | case LCD12x4D: // Special mode for PCF21XX: |
wim | 33:900a94bc7585 | 982 | case LCD16x3G: // Special mode for ST7036 |
wim | 30:033048611c01 | 983 | case LCD24x4D: // Special mode for KS0078 |
wim | 30:033048611c01 | 984 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 29:a3663151aa65 | 985 | break; |
wim | 29:a3663151aa65 | 986 | |
wim | 29:a3663151aa65 | 987 | default: |
wim | 30:033048611c01 | 988 | // All other LCD types are initialised as 2 Line displays (including LCD16x1C and LCD40x4) |
wim | 30:033048611c01 | 989 | _writeCommand(0x28); // Function set 001 DL N F FT1 FT0 |
wim | 30:033048611c01 | 990 | // DL=0 (4 bits bus) |
wim | 30:033048611c01 | 991 | // N=1 (2 lines) |
wim | 30:033048611c01 | 992 | // F=0 (5x7 dots font) |
wim | 30:033048611c01 | 993 | // FT=00 (00 = Engl/Jap, 01 = WestEur1, 10 = Engl/Russian, 11 = WestEur2 |
wim | 30:033048611c01 | 994 | |
wim | 29:a3663151aa65 | 995 | break; |
wim | 29:a3663151aa65 | 996 | } // switch type |
wim | 29:a3663151aa65 | 997 | |
wim | 32:59c4b8f648d4 | 998 | break; // case WS0010 Controller |
wim | 33:900a94bc7585 | 999 | |
wim | 33:900a94bc7585 | 1000 | |
wim | 33:900a94bc7585 | 1001 | case US2066_3V3: |
wim | 33:900a94bc7585 | 1002 | // US2066/SSD1311 OLED controller, Initialise for VDD=3V3 |
wim | 33:900a94bc7585 | 1003 | // Note: supports 1,2, 3 or 4 lines |
wim | 33:900a94bc7585 | 1004 | // case USS2066_5V: |
wim | 33:900a94bc7585 | 1005 | // US2066 controller, VDD=5V |
wim | 33:900a94bc7585 | 1006 | |
wim | 33:900a94bc7585 | 1007 | // Initialise Display configuration |
wim | 33:900a94bc7585 | 1008 | switch (_type) { |
wim | 33:900a94bc7585 | 1009 | case LCD8x1: //8x1 is a regular 1 line display |
wim | 33:900a94bc7585 | 1010 | case LCD8x2B: //8x2D is a special case of 16x1 |
wim | 33:900a94bc7585 | 1011 | // case LCD12x1: |
wim | 33:900a94bc7585 | 1012 | case LCD16x1: |
wim | 33:900a94bc7585 | 1013 | // case LCD20x1: |
wim | 33:900a94bc7585 | 1014 | _function = 0x00; // Set function 0 0 1 X N DH RE(0) IS |
wim | 33:900a94bc7585 | 1015 | // Saved to allow switch between Instruction sets at later time |
wim | 33:900a94bc7585 | 1016 | // DL=X bit is ignored for US2066. Uses hardwired pins instead |
wim | 33:900a94bc7585 | 1017 | // N=0 1 Line / 3 Line |
wim | 33:900a94bc7585 | 1018 | // DH=0 Double Height disable |
wim | 33:900a94bc7585 | 1019 | // IS=0 |
wim | 33:900a94bc7585 | 1020 | |
wim | 33:900a94bc7585 | 1021 | _function_1 = 0x02; // Set function, 0 0 1 X N BE RE(1) REV |
wim | 33:900a94bc7585 | 1022 | // Saved to allow switch between Instruction sets at later time |
wim | 33:900a94bc7585 | 1023 | // DL=X bit is ignored for US2066. Uses hardwired pins instead |
wim | 33:900a94bc7585 | 1024 | // N=0 1 Line / 3 Line |
wim | 33:900a94bc7585 | 1025 | // BE=0 Blink Enable off, special feature of SSD1803, US2066 |
wim | 33:900a94bc7585 | 1026 | // REV=0 Reverse off, special feature of SSD1803, US2066 |
wim | 33:900a94bc7585 | 1027 | |
wim | 33:900a94bc7585 | 1028 | _lines = 0x00; // Ext function set 0 0 0 0 1 FW BW NW |
wim | 33:900a94bc7585 | 1029 | // NW=0 1-Line LCD (N=0) |
wim | 33:900a94bc7585 | 1030 | break; |
wim | 33:900a94bc7585 | 1031 | |
wim | 33:900a94bc7585 | 1032 | case LCD16x1C: |
wim | 33:900a94bc7585 | 1033 | case LCD8x2: |
wim | 33:900a94bc7585 | 1034 | case LCD16x2: |
wim | 33:900a94bc7585 | 1035 | case LCD20x2: |
wim | 33:900a94bc7585 | 1036 | _function = 0x08; // Set function 0 0 1 X N DH RE(0) IS |
wim | 33:900a94bc7585 | 1037 | // Saved to allow switch between Instruction sets at later time |
wim | 33:900a94bc7585 | 1038 | // DL=X bit is ignored for US2066. Uses hardwired pins instead |
wim | 33:900a94bc7585 | 1039 | // N=1 2 line / 4 Line |
wim | 33:900a94bc7585 | 1040 | // DH=0 Double Height disable |
wim | 33:900a94bc7585 | 1041 | // IS=0 |
wim | 33:900a94bc7585 | 1042 | |
wim | 33:900a94bc7585 | 1043 | _function_1 = 0x0A; // Set function, 0 0 1 X N BE RE(1) REV |
wim | 33:900a94bc7585 | 1044 | // Saved to allow switch between Instruction sets at later time |
wim | 33:900a94bc7585 | 1045 | // DL=X bit is ignored for US2066. Uses hardwired pins instead |
wim | 33:900a94bc7585 | 1046 | // N=1 2 line / 4 Line |
wim | 33:900a94bc7585 | 1047 | // BE=0 Blink Enable off, special feature of SSD1803, US2066 |
wim | 33:900a94bc7585 | 1048 | // REV=0 Reverse off, special feature of SSD1803, US2066 |
wim | 33:900a94bc7585 | 1049 | |
wim | 33:900a94bc7585 | 1050 | _lines = 0x00; // Ext function set 0 0 0 0 1 FW BW NW |
wim | 33:900a94bc7585 | 1051 | // NW=0 2-Line LCD (N=1) |
wim | 33:900a94bc7585 | 1052 | break; |
wim | 33:900a94bc7585 | 1053 | |
wim | 33:900a94bc7585 | 1054 | case LCD12x3D: // Special mode for KS0078 and PCF21XX |
wim | 33:900a94bc7585 | 1055 | // case LCD12x3D1: // Special mode for KS0078 and PCF21XX |
wim | 33:900a94bc7585 | 1056 | case LCD16x3D: // Special mode for KS0078, SSD1803 and US2066 |
wim | 33:900a94bc7585 | 1057 | // case LCD16x3D1: // Special mode for SSD1803, US2066 |
wim | 33:900a94bc7585 | 1058 | // case LCD20x3D: // Special mode for SSD1803, US2066 |
wim | 33:900a94bc7585 | 1059 | _function = 0x00; // Set function 0 0 1 X N DH RE(0) IS |
wim | 33:900a94bc7585 | 1060 | // Saved to allow switch between Instruction sets at later time |
wim | 33:900a94bc7585 | 1061 | // DL=X bit is ignored for US2066. Uses hardwired pins instead |
wim | 33:900a94bc7585 | 1062 | // N=0 1 Line / 3 Line |
wim | 33:900a94bc7585 | 1063 | // DH=0 Double Height disable |
wim | 33:900a94bc7585 | 1064 | // IS=0 |
wim | 33:900a94bc7585 | 1065 | |
wim | 33:900a94bc7585 | 1066 | _function_1 = 0x02; // Set function, 0 0 1 X N BE RE(1) REV |
wim | 33:900a94bc7585 | 1067 | // Saved to allow switch between Instruction sets at later time |
wim | 33:900a94bc7585 | 1068 | // DL=X bit is ignored for US2066. Uses hardwired pins instead |
wim | 33:900a94bc7585 | 1069 | // N=0 1 Line / 3 Line |
wim | 33:900a94bc7585 | 1070 | // BE=0 Blink Enable off, special feature of SSD1803, US2066 |
wim | 33:900a94bc7585 | 1071 | // REV=0 Reverse off, special feature of SSD1803, US2066 |
wim | 33:900a94bc7585 | 1072 | |
wim | 33:900a94bc7585 | 1073 | _lines = 0x00; // Ext function set 0 0 0 0 1 FW BW NW |
wim | 33:900a94bc7585 | 1074 | // NW=1 3-Line LCD (N=0) |
wim | 33:900a94bc7585 | 1075 | break; |
wim | 33:900a94bc7585 | 1076 | |
wim | 33:900a94bc7585 | 1077 | case LCD20x4D: // Special mode for SSD1803, US2066 |
wim | 33:900a94bc7585 | 1078 | _function = 0x08; // Set function 0 0 1 X N DH RE(0) IS |
wim | 33:900a94bc7585 | 1079 | // Saved to allow switch between Instruction sets at later time |
wim | 33:900a94bc7585 | 1080 | // DL=X bit is ignored for US2066. Uses hardwired pins instead |
wim | 33:900a94bc7585 | 1081 | // N=1 2 line / 4 Line |
wim | 33:900a94bc7585 | 1082 | // DH=0 Double Height disable |
wim | 33:900a94bc7585 | 1083 | // IS=0 |
wim | 33:900a94bc7585 | 1084 | |
wim | 33:900a94bc7585 | 1085 | _function_1 = 0x0A; // Set function, 0 0 1 DL N BE RE(1) REV |
wim | 33:900a94bc7585 | 1086 | // Saved to allow switch between Instruction sets at later time |
wim | 33:900a94bc7585 | 1087 | // DL=0 bit is ignored for US2066. Uses hardwired pins instead |
wim | 33:900a94bc7585 | 1088 | // N=1 2 line / 4 Line |
wim | 33:900a94bc7585 | 1089 | // BE=0 Blink Enable off, special feature of SSD1803, US2066 |
wim | 33:900a94bc7585 | 1090 | // REV=0 Reverse off, special feature of SSD1803, US2066 |
wim | 33:900a94bc7585 | 1091 | |
wim | 33:900a94bc7585 | 1092 | _lines = 0x01; // Ext function set 0 0 0 0 1 FW BW NW |
wim | 33:900a94bc7585 | 1093 | // NW=1 4-Line LCD (N=1) |
wim | 33:900a94bc7585 | 1094 | break; |
wim | 33:900a94bc7585 | 1095 | |
wim | 33:900a94bc7585 | 1096 | // case LCD24x1: |
wim | 33:900a94bc7585 | 1097 | // case LCD16x3G: // Special mode for ST7036 |
wim | 33:900a94bc7585 | 1098 | // case LCD24x4D: // Special mode for KS0078 |
wim | 33:900a94bc7585 | 1099 | default: |
wim | 33:900a94bc7585 | 1100 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 33:900a94bc7585 | 1101 | break; |
wim | 33:900a94bc7585 | 1102 | |
wim | 33:900a94bc7585 | 1103 | } // switch type |
wim | 33:900a94bc7585 | 1104 | |
wim | 34:e5a0dcb43ecc | 1105 | _writeCommand(0x00); // NOP, make sure to sync SPI |
wim | 33:900a94bc7585 | 1106 | |
wim | 33:900a94bc7585 | 1107 | // init special features |
wim | 33:900a94bc7585 | 1108 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV |
wim | 33:900a94bc7585 | 1109 | // Select Extended Instruction Set |
wim | 33:900a94bc7585 | 1110 | |
wim | 33:900a94bc7585 | 1111 | _writeCommand(0x71); // Function Select A: 0 1 1 1 0 0 0 1 (Ext Instr Set) |
wim | 33:900a94bc7585 | 1112 | _writeData(0x00); // Disable Internal VDD |
wim | 33:900a94bc7585 | 1113 | |
wim | 33:900a94bc7585 | 1114 | _writeCommand(0x79); // Function Select OLED: 0 1 1 1 1 0 0 1 (Ext Instr Set) |
wim | 33:900a94bc7585 | 1115 | |
wim | 33:900a94bc7585 | 1116 | _writeCommand(0xD5); // Display Clock Divide Ratio: 1 1 0 1 0 1 0 1 (Ext Instr Set, OLED Instr Set) |
wim | 33:900a94bc7585 | 1117 | _writeCommand(0x70); // Display Clock Divide Ratio value: 0 1 1 1 0 0 0 0 (Ext Instr Set, OLED Instr Set) |
wim | 33:900a94bc7585 | 1118 | |
wim | 33:900a94bc7585 | 1119 | _writeCommand(0x78); // Function Disable OLED: 0 1 1 1 1 0 0 0 (Ext Instr Set) |
wim | 33:900a94bc7585 | 1120 | |
wim | 33:900a94bc7585 | 1121 | // _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 | 1122 | _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 | 1123 | |
wim | 33:900a94bc7585 | 1124 | _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 | 1125 | |
wim | 34:e5a0dcb43ecc | 1126 | // _writeCommand(0x1C); // Double Height, 0 0 0 1 UD2=1, UD1=1, X, DH'=0 (Ext Instr Set) |
wim | 33:900a94bc7585 | 1127 | // // Default |
wim | 33:900a94bc7585 | 1128 | |
wim | 33:900a94bc7585 | 1129 | _writeCommand(0x72); // Function Select B: 0 1 1 1 0 0 1 0 (Ext Instr Set) |
wim | 33:900a94bc7585 | 1130 | _writeData(0x01); // Select ROM A (CGRAM 8, CGROM 248) |
wim | 33:900a94bc7585 | 1131 | |
wim | 33:900a94bc7585 | 1132 | _writeCommand(0x79); // Function Select OLED: 0 1 1 1 1 0 0 1 (Ext Instr Set) |
wim | 33:900a94bc7585 | 1133 | |
wim | 33:900a94bc7585 | 1134 | _writeCommand(0xDA); // Set Segm Pins Config: 1 1 0 1 1 0 1 0 (Ext Instr Set, OLED) |
wim | 33:900a94bc7585 | 1135 | _writeCommand(0x10); // Set Segm Pins Config value: Altern Odd/Even, Disable Remap (Ext Instr Set, OLED) |
wim | 33:900a94bc7585 | 1136 | |
wim | 33:900a94bc7585 | 1137 | _writeCommand(0xDC); // Function Select C: 1 1 0 1 1 1 0 0 (Ext Instr Set, OLED) |
wim | 33:900a94bc7585 | 1138 | // _writeCommand(0x00); // Set internal VSL, GPIO pin HiZ (always read low) |
wim | 33:900a94bc7585 | 1139 | _writeCommand(0x80); // Set external VSL, GPIO pin HiZ (always read low) |
wim | 33:900a94bc7585 | 1140 | |
wim | 33:900a94bc7585 | 1141 | _contrast = LCD_US20_CONTRAST; |
wim | 33:900a94bc7585 | 1142 | _writeCommand(0x81); // Set Contrast Control: 1 0 0 0 0 0 0 1 (Ext Instr Set, OLED) |
wim | 33:900a94bc7585 | 1143 | _writeCommand((_contrast << 2) | 0x03); // Set Contrast Value: 8 bits, use 6 bits for compatibility |
wim | 33:900a94bc7585 | 1144 | |
wim | 33:900a94bc7585 | 1145 | _writeCommand(0xD9); // Set Phase Length: 1 1 0 1 1 0 0 1 (Ext Instr Set, OLED) |
wim | 33:900a94bc7585 | 1146 | _writeCommand(0xF1); // Set Phase Length Value: |
wim | 33:900a94bc7585 | 1147 | |
wim | 33:900a94bc7585 | 1148 | _writeCommand(0xDB); // Set VCOMH Deselect Lvl: 1 1 0 1 1 0 1 1 (Ext Instr Set, OLED) |
wim | 33:900a94bc7585 | 1149 | _writeCommand(0x30); // Set VCOMH Deselect Value: 0.83 x VCC |
wim | 33:900a94bc7585 | 1150 | |
wim | 33:900a94bc7585 | 1151 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 33:900a94bc7585 | 1152 | |
wim | 33:900a94bc7585 | 1153 | //Test Fade/Blinking. Hard Blink on/off, No fade in/out ?? |
wim | 33:900a94bc7585 | 1154 | // _writeCommand(0x23); // Set (Ext Instr Set, OLED) |
wim | 33:900a94bc7585 | 1155 | // _writeCommand(0x3F); // Set interval 128 frames |
wim | 33:900a94bc7585 | 1156 | //End Test Blinking |
wim | 33:900a94bc7585 | 1157 | |
wim | 33:900a94bc7585 | 1158 | _writeCommand(0x78); // Function Disable OLED: 0 1 1 1 1 0 0 0 (Ext Instr Set) |
wim | 33:900a94bc7585 | 1159 | |
wim | 33:900a94bc7585 | 1160 | _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 X N DH RE(0) IS=1 Select Instruction Set 1 |
wim | 33:900a94bc7585 | 1161 | // Select Std Instr set, Select IS=1 |
wim | 33:900a94bc7585 | 1162 | |
wim | 33:900a94bc7585 | 1163 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV |
wim | 33:900a94bc7585 | 1164 | // Select Ext Instr Set, IS=1 |
wim | 33:900a94bc7585 | 1165 | _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 | 1166 | |
wim | 33:900a94bc7585 | 1167 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
wim | 34:e5a0dcb43ecc | 1168 | // Select Std Instr set, Select IS=0 |
wim | 33:900a94bc7585 | 1169 | break; // case US2066/SSD1311 Controller |
wim | 33:900a94bc7585 | 1170 | |
wim | 34:e5a0dcb43ecc | 1171 | //not yet tested on hardware |
wim | 34:e5a0dcb43ecc | 1172 | case PT6314 : |
wim | 34:e5a0dcb43ecc | 1173 | // Initialise Display configuration |
wim | 34:e5a0dcb43ecc | 1174 | switch (_type) { |
wim | 34:e5a0dcb43ecc | 1175 | case LCD8x1: //8x1 is a regular 1 line display |
wim | 34:e5a0dcb43ecc | 1176 | case LCD8x2B: //8x2B is a special case of 16x1 |
wim | 34:e5a0dcb43ecc | 1177 | // case LCD12x1: |
wim | 34:e5a0dcb43ecc | 1178 | case LCD16x1: |
wim | 34:e5a0dcb43ecc | 1179 | case LCD20x1: |
wim | 34:e5a0dcb43ecc | 1180 | case LCD24x1: |
wim | 34:e5a0dcb43ecc | 1181 | _function = 0x00; // Function set 001 DL N X BR1 BR0 |
wim | 34:e5a0dcb43ecc | 1182 | // DL=0 (4 bits bus) |
wim | 34:e5a0dcb43ecc | 1183 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 34:e5a0dcb43ecc | 1184 | // N=0 (1 line) |
wim | 34:e5a0dcb43ecc | 1185 | // X |
wim | 34:e5a0dcb43ecc | 1186 | // BR1=0 (2 significant bits for brightness |
wim | 34:e5a0dcb43ecc | 1187 | // BR0=0 |
wim | 34:e5a0dcb43ecc | 1188 | // 0x0 = 100% |
wim | 34:e5a0dcb43ecc | 1189 | // 0x1 = 75% |
wim | 34:e5a0dcb43ecc | 1190 | // 0x2 = 50% |
wim | 34:e5a0dcb43ecc | 1191 | // 0x3 = 25% |
wim | 34:e5a0dcb43ecc | 1192 | |
wim | 34:e5a0dcb43ecc | 1193 | break; |
wim | 34:e5a0dcb43ecc | 1194 | |
wim | 34:e5a0dcb43ecc | 1195 | // All other valid LCD types are initialised as 2 Line displays |
wim | 34:e5a0dcb43ecc | 1196 | case LCD8x2: |
wim | 34:e5a0dcb43ecc | 1197 | case LCD16x2: |
wim | 34:e5a0dcb43ecc | 1198 | case LCD20x2: |
wim | 34:e5a0dcb43ecc | 1199 | case LCD24x2: |
wim | 34:e5a0dcb43ecc | 1200 | _function = 0x08; // Function set 001 DL N X BR1 BR2 |
wim | 34:e5a0dcb43ecc | 1201 | // DL=0 (4 bits bus) |
wim | 34:e5a0dcb43ecc | 1202 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 34:e5a0dcb43ecc | 1203 | // N=1 (2 lines) |
wim | 34:e5a0dcb43ecc | 1204 | // X |
wim | 34:e5a0dcb43ecc | 1205 | // BR1=0 (2 significant bits for brightness |
wim | 34:e5a0dcb43ecc | 1206 | // BR0=0 |
wim | 34:e5a0dcb43ecc | 1207 | break; |
wim | 34:e5a0dcb43ecc | 1208 | |
wim | 34:e5a0dcb43ecc | 1209 | default: |
wim | 34:e5a0dcb43ecc | 1210 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 34:e5a0dcb43ecc | 1211 | break; |
wim | 34:e5a0dcb43ecc | 1212 | } // switch type |
wim | 34:e5a0dcb43ecc | 1213 | |
wim | 34:e5a0dcb43ecc | 1214 | _contrast = LCD_PT63_CONTRAST; |
wim | 34:e5a0dcb43ecc | 1215 | _writeCommand(0x20 | _function | ((~_contrast) >> 4)); // Invert and shift to use 2 MSBs |
wim | 34:e5a0dcb43ecc | 1216 | break; // case PT6314 Controller (VFD) |
wim | 39:e9c2319de9c5 | 1217 | |
wim | 39:e9c2319de9c5 | 1218 | |
wim | 39:e9c2319de9c5 | 1219 | case HD66712: |
wim | 39:e9c2319de9c5 | 1220 | // Initialise Display configuration |
wim | 39:e9c2319de9c5 | 1221 | switch (_type) { |
wim | 39:e9c2319de9c5 | 1222 | case LCD8x1: //8x1 is a regular 1 line display |
wim | 39:e9c2319de9c5 | 1223 | case LCD12x1: |
wim | 39:e9c2319de9c5 | 1224 | case LCD16x1: |
wim | 39:e9c2319de9c5 | 1225 | case LCD20x1: |
wim | 39:e9c2319de9c5 | 1226 | case LCD24x1: |
wim | 39:e9c2319de9c5 | 1227 | // case LCD32x1: // EXT pin is High, extension driver needed |
wim | 39:e9c2319de9c5 | 1228 | _function = 0x02; // Function set 001 DL N RE(0) DH REV (Std Regs) |
wim | 39:e9c2319de9c5 | 1229 | // DL=0 (4 bits bus) |
wim | 39:e9c2319de9c5 | 1230 | // N=0 (1-line mode, N=1 2-line mode) |
wim | 39:e9c2319de9c5 | 1231 | // RE=0 (Dis. Extended Regs, special mode for KS0073) |
wim | 39:e9c2319de9c5 | 1232 | // DH=1 (Disp shift enable, special mode for KS0073) |
wim | 39:e9c2319de9c5 | 1233 | // REV=0 (Reverse normal, special mode for KS0073) |
wim | 39:e9c2319de9c5 | 1234 | |
wim | 39:e9c2319de9c5 | 1235 | _function_1 = 0x04; // Function set 001 DL N RE(1) BE LP (Ext Regs) |
wim | 39:e9c2319de9c5 | 1236 | // DL=0 (4 bits bus) |
wim | 39:e9c2319de9c5 | 1237 | // N=0 (1-line mode, N=1 2-line mode) |
wim | 39:e9c2319de9c5 | 1238 | // RE=1 (Ena Extended Regs, special mode for KS0073) |
wim | 39:e9c2319de9c5 | 1239 | // BE=0 (Blink Enable, CG/SEG RAM, special mode for KS0073) |
wim | 39:e9c2319de9c5 | 1240 | // LP=0 (LP=1 Low power mode, LP=0 Normal) |
wim | 39:e9c2319de9c5 | 1241 | |
wim | 39:e9c2319de9c5 | 1242 | _function_x = 0x00; // Ext Function set 0000 1 FW BW NW (Ext Regs) |
wim | 39:e9c2319de9c5 | 1243 | // NW=0 (1,2 line), NW=1 (4 Line, special mode for KS0073) |
wim | 39:e9c2319de9c5 | 1244 | break; |
wim | 39:e9c2319de9c5 | 1245 | |
wim | 39:e9c2319de9c5 | 1246 | // case LCD12x3D: // Special mode for KS0073, KS0078 and PCF21XX |
wim | 39:e9c2319de9c5 | 1247 | // case LCD12x3D1: // Special mode for KS0073, KS0078 and PCF21XX |
wim | 39:e9c2319de9c5 | 1248 | case LCD12x4D: // Special mode for KS0073, KS0078, PCF21XX and HD66712 |
wim | 39:e9c2319de9c5 | 1249 | // case LCD16x3D: // Special mode for KS0073, KS0078 |
wim | 39:e9c2319de9c5 | 1250 | // case LCD16x4D: // Special mode for KS0073, KS0078 |
wim | 39:e9c2319de9c5 | 1251 | case LCD20x4D: // Special mode for KS0073, KS0078 and HD66712 |
wim | 39:e9c2319de9c5 | 1252 | _function = 0x02; // Function set 001 DL N RE(0) DH REV (Std Regs) |
wim | 39:e9c2319de9c5 | 1253 | // DL=0 (4 bits bus) |
wim | 39:e9c2319de9c5 | 1254 | // N=0 (dont care for 4 line mode) |
wim | 39:e9c2319de9c5 | 1255 | // RE=0 (Dis. Extended Regs, special mode for KS0073) |
wim | 39:e9c2319de9c5 | 1256 | // DH=1 (Disp shift enable, special mode for KS0073) |
wim | 39:e9c2319de9c5 | 1257 | // REV=0 (Reverse normal, special mode for KS0073) |
wim | 39:e9c2319de9c5 | 1258 | |
wim | 39:e9c2319de9c5 | 1259 | _function_1 = 0x04; // Function set 001 DL N RE(1) BE LP (Ext Regs) |
wim | 39:e9c2319de9c5 | 1260 | // DL=0 (4 bits bus) |
wim | 39:e9c2319de9c5 | 1261 | // N=0 (1-line mode), N=1 (2-line mode) |
wim | 39:e9c2319de9c5 | 1262 | // RE=1 (Ena Extended Regs, special mode for KS0073) |
wim | 39:e9c2319de9c5 | 1263 | // BE=0 (Blink Enable, CG/SEG RAM, special mode for KS0073) |
wim | 39:e9c2319de9c5 | 1264 | // LP=0 (LP=1 Low power mode, LP=0 Normal) |
wim | 39:e9c2319de9c5 | 1265 | |
wim | 39:e9c2319de9c5 | 1266 | _function_x = 0x01; // Ext Function set 0000 1 FW BW NW (Ext Regs) |
wim | 39:e9c2319de9c5 | 1267 | // NW=0 (1,2 line), NW=1 (4 Line, special mode for KS0073) |
wim | 39:e9c2319de9c5 | 1268 | break; |
wim | 39:e9c2319de9c5 | 1269 | |
wim | 39:e9c2319de9c5 | 1270 | |
wim | 39:e9c2319de9c5 | 1271 | case LCD16x3G: // Special mode for ST7036 |
wim | 39:e9c2319de9c5 | 1272 | // case LCD24x3D: // Special mode for KS0078 |
wim | 39:e9c2319de9c5 | 1273 | // case LCD24x3D1: // Special mode for KS0078 |
wim | 39:e9c2319de9c5 | 1274 | case LCD24x4D: // Special mode for KS0078 |
wim | 39:e9c2319de9c5 | 1275 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 39:e9c2319de9c5 | 1276 | break; |
wim | 39:e9c2319de9c5 | 1277 | |
wim | 39:e9c2319de9c5 | 1278 | default: |
wim | 39:e9c2319de9c5 | 1279 | // All other LCD types are initialised as 2 Line displays (including LCD16x1C and LCD40x4) |
wim | 39:e9c2319de9c5 | 1280 | _function = 0x0A; // Function set 001 DL N RE(0) DH REV (Std Regs) |
wim | 39:e9c2319de9c5 | 1281 | // DL=0 (4 bits bus) |
wim | 39:e9c2319de9c5 | 1282 | // N=1 (2-line mode), N=0 (1-line mode) |
wim | 39:e9c2319de9c5 | 1283 | // RE=0 (Dis. Extended Regs, special mode for KS0073) |
wim | 39:e9c2319de9c5 | 1284 | // DH=1 (Disp shift enable, special mode for KS0073) |
wim | 39:e9c2319de9c5 | 1285 | // REV=0 (Reverse normal, special mode for KS0073) |
wim | 39:e9c2319de9c5 | 1286 | |
wim | 39:e9c2319de9c5 | 1287 | _function_1 = 0x0C; // Function set 001 DL N RE(1) BE LP (Ext Regs) |
wim | 39:e9c2319de9c5 | 1288 | // DL=0 (4 bits bus) |
wim | 39:e9c2319de9c5 | 1289 | // N=1 (2 line mode), N=0 (1-line mode) |
wim | 39:e9c2319de9c5 | 1290 | // RE=1 (Ena Extended Regs, special mode for KS0073) |
wim | 39:e9c2319de9c5 | 1291 | // BE=0 (Blink Enable, CG/SEG RAM, special mode for KS0073) |
wim | 39:e9c2319de9c5 | 1292 | // LP=0 (LP=1 Low power mode, LP=0 Normal) |
wim | 39:e9c2319de9c5 | 1293 | |
wim | 39:e9c2319de9c5 | 1294 | _function_x = 0x00; // Ext Function set 0000 1 FW BW NW (Ext Regs) |
wim | 39:e9c2319de9c5 | 1295 | // NW=0 (1,2 line), NW=1 (4 Line, special mode for KS0073) |
wim | 39:e9c2319de9c5 | 1296 | break; |
wim | 39:e9c2319de9c5 | 1297 | } // switch type |
wim | 39:e9c2319de9c5 | 1298 | |
wim | 39:e9c2319de9c5 | 1299 | // init special features |
wim | 39:e9c2319de9c5 | 1300 | _writeCommand(0x20 | _function_1);// Function set 001 DL N RE(1) BE LP (Ext Regs) |
wim | 39:e9c2319de9c5 | 1301 | // DL=0 (4 bits bus), DL=1 (8 bits mode) |
wim | 39:e9c2319de9c5 | 1302 | // N=0 (1 line mode), N=1 (2 line mode) |
wim | 39:e9c2319de9c5 | 1303 | // RE=1 (Ena Extended Regs, special mode for KS0073) |
wim | 39:e9c2319de9c5 | 1304 | // BE=0 (Blink Enable/Disable, CG/SEG RAM, special mode for KS0073) |
wim | 39:e9c2319de9c5 | 1305 | // LP=0 (LP=1 Low power mode, LP=0 Normal) |
wim | 39:e9c2319de9c5 | 1306 | |
wim | 39:e9c2319de9c5 | 1307 | _writeCommand(0x08 | _function_x); // Ext Function set 0000 1 FW BW NW (Ext Regs) |
wim | 39:e9c2319de9c5 | 1308 | // FW=0 (5-dot font, special mode for KS0073) |
wim | 39:e9c2319de9c5 | 1309 | // BW=0 (Cur BW invert disable, special mode for KS0073) |
wim | 39:e9c2319de9c5 | 1310 | // NW=0 (1,2 Line), NW=1 (4 line, special mode for KS0073) |
wim | 39:e9c2319de9c5 | 1311 | |
wim | 39:e9c2319de9c5 | 1312 | _writeCommand(0x10); // Scroll/Shift set 0001 DS/HS4 DS/HS3 DS/HS2 DS/HS1 (Ext Regs) |
wim | 39:e9c2319de9c5 | 1313 | // Dotscroll/Display shift enable (Special mode for KS0073) |
wim | 39:e9c2319de9c5 | 1314 | |
wim | 39:e9c2319de9c5 | 1315 | _writeCommand(0x80); // Scroll Quantity set 1 0 SQ5 SQ4 SQ3 SQ2 SQ1 SQ0 (Ext Regs) |
wim | 39:e9c2319de9c5 | 1316 | // Scroll quantity (Special mode for KS0073) |
wim | 39:e9c2319de9c5 | 1317 | |
wim | 39:e9c2319de9c5 | 1318 | _writeCommand(0x20 | _function); // Function set 001 DL N RE(0) DH REV (Std Regs) |
wim | 39:e9c2319de9c5 | 1319 | // DL=0 (4 bits bus), DL=1 (8 bits mode) |
wim | 39:e9c2319de9c5 | 1320 | // N=0 (1 line mode), N=1 (2 line mode) |
wim | 39:e9c2319de9c5 | 1321 | // RE=0 (Dis. Extended Regs, special mode for KS0073) |
wim | 39:e9c2319de9c5 | 1322 | // DH=1 (Disp shift enable/disable, special mode for KS0073) |
wim | 39:e9c2319de9c5 | 1323 | // REV=0 (Reverse/Normal, special mode for KS0073) |
wim | 39:e9c2319de9c5 | 1324 | break; // case HD66712 Controller |
wim | 39:e9c2319de9c5 | 1325 | |
wim | 29:a3663151aa65 | 1326 | |
wim | 37:ce348c002929 | 1327 | case ST7066_ACM: // ST7066 4/8 bit, I2C on ACM1602 using a PIC |
wim | 19:c747b9e2e7b8 | 1328 | default: |
wim | 32:59c4b8f648d4 | 1329 | // Devices fully compatible to HD44780 that do not use any DC/DC Voltage converters but external VLCD, no icons etc |
wim | 10:dd9b3a696acd | 1330 | |
wim | 29:a3663151aa65 | 1331 | // Initialise Display configuration |
wim | 29:a3663151aa65 | 1332 | switch (_type) { |
wim | 29:a3663151aa65 | 1333 | case LCD8x1: //8x1 is a regular 1 line display |
wim | 29:a3663151aa65 | 1334 | case LCD8x2B: //8x2B is a special case of 16x1 |
wim | 29:a3663151aa65 | 1335 | // case LCD12x1: |
wim | 29:a3663151aa65 | 1336 | case LCD16x1: |
wim | 30:033048611c01 | 1337 | // case LCD20x1: |
wim | 29:a3663151aa65 | 1338 | case LCD24x1: |
wim | 30:033048611c01 | 1339 | // case LCD40x1: |
wim | 32:59c4b8f648d4 | 1340 | _function = 0x00; // Function set 001 DL N F - - |
wim | 29:a3663151aa65 | 1341 | // DL=0 (4 bits bus) |
wim | 29:a3663151aa65 | 1342 | // N=0 (1 line) |
wim | 29:a3663151aa65 | 1343 | // F=0 (5x7 dots font) |
wim | 29:a3663151aa65 | 1344 | break; |
wim | 29:a3663151aa65 | 1345 | |
wim | 32:59c4b8f648d4 | 1346 | case LCD12x3D: // Special mode for KS0078 and PCF21XX |
wim | 32:59c4b8f648d4 | 1347 | case LCD12x3D1: // Special mode for KS0078 and PCF21XX |
wim | 32:59c4b8f648d4 | 1348 | case LCD12x4D: // Special mode for KS0078 and PCF21XX: |
wim | 33:900a94bc7585 | 1349 | case LCD16x3D: // Special mode for KS0078 |
wim | 32:59c4b8f648d4 | 1350 | // case LCD16x3D1: // Special mode for KS0078 |
wim | 30:033048611c01 | 1351 | // case LCD24x3D: // Special mode for KS0078 |
wim | 32:59c4b8f648d4 | 1352 | // case LCD24x3D1: // Special mode for KS0078 |
wim | 30:033048611c01 | 1353 | case LCD24x4D: // Special mode for KS0078 |
wim | 30:033048611c01 | 1354 | error("Error: LCD Controller type does not support this Display type\n\r"); |
wim | 30:033048611c01 | 1355 | break; |
wim | 30:033048611c01 | 1356 | |
wim | 30:033048611c01 | 1357 | // All other LCD types are initialised as 2 Line displays (including LCD16x1C and LCD40x4) |
wim | 29:a3663151aa65 | 1358 | default: |
wim | 32:59c4b8f648d4 | 1359 | _function = 0x08; // Function set 001 DL N F - - |
wim | 29:a3663151aa65 | 1360 | // DL=0 (4 bits bus) |
wim | 29:a3663151aa65 | 1361 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
wim | 29:a3663151aa65 | 1362 | // N=1 (2 lines) |
wim | 29:a3663151aa65 | 1363 | // F=0 (5x7 dots font, only option for 2 line display) |
wim | 32:59c4b8f648d4 | 1364 | // - (Don't care) |
wim | 29:a3663151aa65 | 1365 | break; |
wim | 29:a3663151aa65 | 1366 | } // switch type |
wim | 10:dd9b3a696acd | 1367 | |
wim | 34:e5a0dcb43ecc | 1368 | _writeCommand(0x20 | _function); |
wim | 29:a3663151aa65 | 1369 | break; // case default Controller |
wim | 29:a3663151aa65 | 1370 | |
wim | 34:e5a0dcb43ecc | 1371 | } // switch Controller specific initialisations |
wim | 10:dd9b3a696acd | 1372 | |
wim | 30:033048611c01 | 1373 | // Controller general initialisations |
wim | 39:e9c2319de9c5 | 1374 | // _writeCommand(0x01); // Clear Display and set cursor to 0 |
wim | 32:59c4b8f648d4 | 1375 | // wait_ms(10); // The CLS command takes 1.64 ms. |
wim | 32:59c4b8f648d4 | 1376 | // // Since we are not using the Busy flag, Lets be safe and take 10 ms |
wim | 28:30fa94f7341c | 1377 | |
wim | 39:e9c2319de9c5 | 1378 | _writeCommand(0x02); // Cursor Home, DDRAM Address to Origin |
wim | 39:e9c2319de9c5 | 1379 | wait_ms(10); // The Return Home command takes 1.64 ms. |
wim | 39:e9c2319de9c5 | 1380 | // Since we are not using the Busy flag, Lets be safe and take 10 ms |
wim | 28:30fa94f7341c | 1381 | |
wim | 28:30fa94f7341c | 1382 | _writeCommand(0x06); // Entry Mode 0000 0 1 I/D S |
wim | 13:24506ba22480 | 1383 | // Cursor Direction and Display Shift |
wim | 28:30fa94f7341c | 1384 | // I/D=1 (Cur incr) |
wim | 28:30fa94f7341c | 1385 | // S=0 (No display shift) |
wim | 10:dd9b3a696acd | 1386 | |
wim | 29:a3663151aa65 | 1387 | _writeCommand(0x14); // Cursor or Display shift 0001 S/C R/L x x |
wim | 29:a3663151aa65 | 1388 | // S/C=0 Cursor moves |
wim | 29:a3663151aa65 | 1389 | // R/L=1 Right |
wim | 29:a3663151aa65 | 1390 | // |
wim | 29:a3663151aa65 | 1391 | |
wim | 13:24506ba22480 | 1392 | // _writeCommand(0x0C); // Display Ctrl 0000 1 D C B |
wim | 17:652ab113bc2e | 1393 | // // Display On, Cursor Off, Blink Off |
wim | 36:9f5f86dfd44a | 1394 | |
wim | 39:e9c2319de9c5 | 1395 | // setCursor(CurOff_BlkOff); |
wim | 39:e9c2319de9c5 | 1396 | setCursor(CurOn_BlkOff); |
wim | 21:9eb628d9e164 | 1397 | setMode(DispOn); |
simon | 1:ac48b187213c | 1398 | } |
simon | 1:ac48b187213c | 1399 | |
wim | 8:03116f75b66e | 1400 | |
wim | 21:9eb628d9e164 | 1401 | /** Clear the screen, Cursor home. |
wim | 39:e9c2319de9c5 | 1402 | * Note: The whole display is initialised to charcode 0x20, which may not be a 'space' on some controllers with a |
wim | 39:e9c2319de9c5 | 1403 | * different fontset such as the PCF2116C or PCF2119R. In this case you should fill the display with 'spaces'. |
wim | 21:9eb628d9e164 | 1404 | */ |
wim | 21:9eb628d9e164 | 1405 | void TextLCD_Base::cls() { |
wim | 15:b70ebfffb258 | 1406 | |
wim | 15:b70ebfffb258 | 1407 | // Select and configure second LCD controller when needed |
wim | 15:b70ebfffb258 | 1408 | if(_type==LCD40x4) { |
wim | 21:9eb628d9e164 | 1409 | _ctrl_idx=_LCDCtrl_1; // Select 2nd controller |
wim | 15:b70ebfffb258 | 1410 | |
wim | 15:b70ebfffb258 | 1411 | // Second LCD controller Cursor always Off |
wim | 21:9eb628d9e164 | 1412 | _setCursorAndDisplayMode(_currentMode, CurOff_BlkOff); |
wim | 15:b70ebfffb258 | 1413 | |
wim | 15:b70ebfffb258 | 1414 | // Second LCD controller Clearscreen |
wim | 27:22d5086f6ba6 | 1415 | _writeCommand(0x01); // cls, and set cursor to 0 |
wim | 39:e9c2319de9c5 | 1416 | wait_ms(20); // The CLS command takes 1.64 ms. |
wim | 29:a3663151aa65 | 1417 | // Since we are not using the Busy flag, Lets be safe and take 10 ms |
wim | 15:b70ebfffb258 | 1418 | |
wim | 21:9eb628d9e164 | 1419 | _ctrl_idx=_LCDCtrl_0; // Select primary controller |
wim | 15:b70ebfffb258 | 1420 | } |
wim | 15:b70ebfffb258 | 1421 | |
wim | 15:b70ebfffb258 | 1422 | // Primary LCD controller Clearscreen |
wim | 27:22d5086f6ba6 | 1423 | _writeCommand(0x01); // cls, and set cursor to 0 |
wim | 39:e9c2319de9c5 | 1424 | wait_ms(20); // The CLS command takes 1.64 ms. |
wim | 29:a3663151aa65 | 1425 | // Since we are not using the Busy flag, Lets be safe and take 10 ms |
wim | 15:b70ebfffb258 | 1426 | |
wim | 15:b70ebfffb258 | 1427 | // Restore cursormode on primary LCD controller when needed |
wim | 15:b70ebfffb258 | 1428 | if(_type==LCD40x4) { |
wim | 17:652ab113bc2e | 1429 | _setCursorAndDisplayMode(_currentMode,_currentCursor); |
wim | 15:b70ebfffb258 | 1430 | } |
wim | 15:b70ebfffb258 | 1431 | |
wim | 29:a3663151aa65 | 1432 | setAddress(0, 0); // Reset Cursor location |
wim | 32:59c4b8f648d4 | 1433 | // Note: This is needed because some displays (eg PCF21XX) don't use line 0 in the '3 Line' mode. |
simon | 1:ac48b187213c | 1434 | } |
simon | 1:ac48b187213c | 1435 | |
wim | 29:a3663151aa65 | 1436 | /** Locate cursor to a screen column and row |
wim | 29:a3663151aa65 | 1437 | * |
wim | 29:a3663151aa65 | 1438 | * @param column The horizontal position from the left, indexed from 0 |
wim | 29:a3663151aa65 | 1439 | * @param row The vertical position from the top, indexed from 0 |
wim | 29:a3663151aa65 | 1440 | */ |
wim | 21:9eb628d9e164 | 1441 | void TextLCD_Base::locate(int column, int row) { |
wim | 15:b70ebfffb258 | 1442 | |
wim | 15:b70ebfffb258 | 1443 | // setAddress() does all the heavy lifting: |
wim | 15:b70ebfffb258 | 1444 | // check column and row sanity, |
wim | 15:b70ebfffb258 | 1445 | // switch controllers for LCD40x4 if needed |
wim | 15:b70ebfffb258 | 1446 | // switch cursor for LCD40x4 if needed |
wim | 15:b70ebfffb258 | 1447 | // set the new memory address to show cursor at correct location |
wim | 32:59c4b8f648d4 | 1448 | setAddress(column, row); |
wim | 15:b70ebfffb258 | 1449 | } |
wim | 30:033048611c01 | 1450 | |
wim | 15:b70ebfffb258 | 1451 | |
wim | 21:9eb628d9e164 | 1452 | /** Write a single character (Stream implementation) |
wim | 21:9eb628d9e164 | 1453 | */ |
wim | 21:9eb628d9e164 | 1454 | int TextLCD_Base::_putc(int value) { |
wim | 15:b70ebfffb258 | 1455 | int addr; |
wim | 15:b70ebfffb258 | 1456 | |
wim | 15:b70ebfffb258 | 1457 | if (value == '\n') { |
wim | 15:b70ebfffb258 | 1458 | //No character to write |
wim | 15:b70ebfffb258 | 1459 | |
wim | 15:b70ebfffb258 | 1460 | //Update Cursor |
wim | 15:b70ebfffb258 | 1461 | _column = 0; |
wim | 15:b70ebfffb258 | 1462 | _row++; |
wim | 15:b70ebfffb258 | 1463 | if (_row >= rows()) { |
wim | 15:b70ebfffb258 | 1464 | _row = 0; |
wim | 15:b70ebfffb258 | 1465 | } |
wim | 15:b70ebfffb258 | 1466 | } |
wim | 15:b70ebfffb258 | 1467 | else { |
wim | 37:ce348c002929 | 1468 | //Character to write |
wim | 37:ce348c002929 | 1469 | #if (LCD_DEFAULT_FONT == 1) |
wim | 37:ce348c002929 | 1470 | _writeData(value); |
wim | 37:ce348c002929 | 1471 | #else |
wim | 37:ce348c002929 | 1472 | _writeData(ASCII_2_LCD(value)); |
wim | 37:ce348c002929 | 1473 | #endif |
wim | 15:b70ebfffb258 | 1474 | //Update Cursor |
wim | 15:b70ebfffb258 | 1475 | _column++; |
wim | 15:b70ebfffb258 | 1476 | if (_column >= columns()) { |
wim | 15:b70ebfffb258 | 1477 | _column = 0; |
wim | 15:b70ebfffb258 | 1478 | _row++; |
wim | 15:b70ebfffb258 | 1479 | if (_row >= rows()) { |
wim | 15:b70ebfffb258 | 1480 | _row = 0; |
wim | 15:b70ebfffb258 | 1481 | } |
wim | 15:b70ebfffb258 | 1482 | } |
wim | 15:b70ebfffb258 | 1483 | } //else |
wim | 15:b70ebfffb258 | 1484 | |
wim | 15:b70ebfffb258 | 1485 | //Set next memoryaddress, make sure cursor blinks at next location |
wim | 15:b70ebfffb258 | 1486 | addr = getAddress(_column, _row); |
wim | 15:b70ebfffb258 | 1487 | _writeCommand(0x80 | addr); |
wim | 15:b70ebfffb258 | 1488 | |
wim | 15:b70ebfffb258 | 1489 | return value; |
wim | 15:b70ebfffb258 | 1490 | } |
wim | 15:b70ebfffb258 | 1491 | |
wim | 15:b70ebfffb258 | 1492 | |
wim | 16:c276b75e6585 | 1493 | // get a single character (Stream implementation) |
wim | 21:9eb628d9e164 | 1494 | int TextLCD_Base::_getc() { |
simon | 1:ac48b187213c | 1495 | return -1; |
simon | 1:ac48b187213c | 1496 | } |
simon | 1:ac48b187213c | 1497 | |
wim | 37:ce348c002929 | 1498 | /** Convert ASCII character code to the LCD fonttable code |
wim | 37:ce348c002929 | 1499 | * |
wim | 37:ce348c002929 | 1500 | * @param c The character to write to the display |
wim | 37:ce348c002929 | 1501 | * @return The character code for the specific fonttable of the controller |
wim | 37:ce348c002929 | 1502 | */ |
wim | 37:ce348c002929 | 1503 | int TextLCD_Base::ASCII_2_LCD (int c) { |
wim | 37:ce348c002929 | 1504 | |
wim | 37:ce348c002929 | 1505 | //LCD_C_FT0 is default for HD44780 and compatible series |
wim | 37:ce348c002929 | 1506 | if (_font == LCD_C_FT0) return c; |
wim | 37:ce348c002929 | 1507 | |
wim | 37:ce348c002929 | 1508 | //LCD_C_FT1 for PCF21XXC series |
wim | 39:e9c2319de9c5 | 1509 | //LCD_C_FT2 for PCF21XXR series |
wim | 39:e9c2319de9c5 | 1510 | //Used code from Suga koubou library for PCF2119K and PCF2119R |
wim | 37:ce348c002929 | 1511 | if (((c >= ' ') && (c <= '?')) || ((c >= 'A') && (c <= 'Z')) || ((c >= 'a') && (c <= 'z'))) { |
wim | 37:ce348c002929 | 1512 | c |= 0x80; |
wim | 39:e9c2319de9c5 | 1513 | } else if (c >= 0xF0 && c <= 0xFF) { |
wim | 37:ce348c002929 | 1514 | c &= 0x0f; |
wim | 37:ce348c002929 | 1515 | } |
wim | 37:ce348c002929 | 1516 | return c; |
wim | 37:ce348c002929 | 1517 | |
wim | 37:ce348c002929 | 1518 | //LCD_C_FT2 ... |
wim | 37:ce348c002929 | 1519 | //@TODO add more, eg cyrillic |
wim | 37:ce348c002929 | 1520 | //@TODO add method to switch between fonts for controllers that support this |
wim | 37:ce348c002929 | 1521 | } |
wim | 37:ce348c002929 | 1522 | |
wim | 14:0c32b66b14b8 | 1523 | |
wim | 34:e5a0dcb43ecc | 1524 | #if(LCD_PRINTF != 1) |
wim | 34:e5a0dcb43ecc | 1525 | /** Write a character to the LCD |
wim | 34:e5a0dcb43ecc | 1526 | * |
wim | 34:e5a0dcb43ecc | 1527 | * @param c The character to write to the display |
wim | 34:e5a0dcb43ecc | 1528 | */ |
wim | 34:e5a0dcb43ecc | 1529 | int TextLCD_Base::putc(int c){ |
wim | 34:e5a0dcb43ecc | 1530 | return _putc(c); |
wim | 34:e5a0dcb43ecc | 1531 | } |
wim | 34:e5a0dcb43ecc | 1532 | |
wim | 34:e5a0dcb43ecc | 1533 | |
wim | 34:e5a0dcb43ecc | 1534 | /** Write a raw string to the LCD |
wim | 34:e5a0dcb43ecc | 1535 | * |
wim | 34:e5a0dcb43ecc | 1536 | * @param string text, may be followed by variables to emulate formatting the string. |
wim | 34:e5a0dcb43ecc | 1537 | * However, printf formatting is NOT supported and variables will be ignored! |
wim | 34:e5a0dcb43ecc | 1538 | */ |
wim | 34:e5a0dcb43ecc | 1539 | int TextLCD_Base::printf(const char* text, ...) { |
wim | 34:e5a0dcb43ecc | 1540 | |
wim | 34:e5a0dcb43ecc | 1541 | while (*text !=0) { |
wim | 34:e5a0dcb43ecc | 1542 | _putc(*text); |
wim | 34:e5a0dcb43ecc | 1543 | text++; |
wim | 34:e5a0dcb43ecc | 1544 | } |
wim | 34:e5a0dcb43ecc | 1545 | return 0; |
wim | 34:e5a0dcb43ecc | 1546 | } |
wim | 34:e5a0dcb43ecc | 1547 | #endif |
wim | 34:e5a0dcb43ecc | 1548 | |
wim | 34:e5a0dcb43ecc | 1549 | |
wim | 17:652ab113bc2e | 1550 | // Write a nibble using the 4-bit interface |
wim | 21:9eb628d9e164 | 1551 | void TextLCD_Base::_writeNibble(int value) { |
wim | 17:652ab113bc2e | 1552 | |
wim | 17:652ab113bc2e | 1553 | // Enable is Low |
wim | 21:9eb628d9e164 | 1554 | this->_setEnable(true); |
wim | 38:cbe275b0b647 | 1555 | this->_setData(value); // Low nibble of value on D4..D7 |
wim | 17:652ab113bc2e | 1556 | wait_us(1); // Data setup time |
wim | 21:9eb628d9e164 | 1557 | this->_setEnable(false); |
wim | 17:652ab113bc2e | 1558 | wait_us(1); // Datahold time |
wim | 17:652ab113bc2e | 1559 | // Enable is Low |
wim | 17:652ab113bc2e | 1560 | } |
wim | 17:652ab113bc2e | 1561 | |
wim | 16:c276b75e6585 | 1562 | // Write a byte using the 4-bit interface |
wim | 21:9eb628d9e164 | 1563 | void TextLCD_Base::_writeByte(int value) { |
wim | 15:b70ebfffb258 | 1564 | |
wim | 15:b70ebfffb258 | 1565 | // Enable is Low |
wim | 21:9eb628d9e164 | 1566 | this->_setEnable(true); |
wim | 21:9eb628d9e164 | 1567 | this->_setData(value >> 4); // High nibble |
wim | 15:b70ebfffb258 | 1568 | wait_us(1); // Data setup time |
wim | 21:9eb628d9e164 | 1569 | this->_setEnable(false); |
wim | 15:b70ebfffb258 | 1570 | wait_us(1); // Data hold time |
wim | 15:b70ebfffb258 | 1571 | |
wim | 21:9eb628d9e164 | 1572 | this->_setEnable(true); |
wim | 37:ce348c002929 | 1573 | this->_setData(value); // Low nibble |
wim | 15:b70ebfffb258 | 1574 | wait_us(1); // Data setup time |
wim | 21:9eb628d9e164 | 1575 | this->_setEnable(false); |
wim | 15:b70ebfffb258 | 1576 | wait_us(1); // Datahold time |
wim | 15:b70ebfffb258 | 1577 | |
wim | 15:b70ebfffb258 | 1578 | // Enable is Low |
simon | 1:ac48b187213c | 1579 | } |
simon | 1:ac48b187213c | 1580 | |
wim | 21:9eb628d9e164 | 1581 | // Write a command byte to the LCD controller |
wim | 21:9eb628d9e164 | 1582 | void TextLCD_Base::_writeCommand(int command) { |
wim | 15:b70ebfffb258 | 1583 | |
wim | 21:9eb628d9e164 | 1584 | this->_setRS(false); |
wim | 16:c276b75e6585 | 1585 | wait_us(1); // Data setup time for RS |
wim | 15:b70ebfffb258 | 1586 | |
wim | 21:9eb628d9e164 | 1587 | this->_writeByte(command); |
wim | 15:b70ebfffb258 | 1588 | wait_us(40); // most instructions take 40us |
simon | 1:ac48b187213c | 1589 | } |
simon | 1:ac48b187213c | 1590 | |
wim | 21:9eb628d9e164 | 1591 | // Write a data byte to the LCD controller |
wim | 21:9eb628d9e164 | 1592 | void TextLCD_Base::_writeData(int data) { |
wim | 15:b70ebfffb258 | 1593 | |
wim | 21:9eb628d9e164 | 1594 | this->_setRS(true); |
wim | 16:c276b75e6585 | 1595 | wait_us(1); // Data setup time for RS |
wim | 15:b70ebfffb258 | 1596 | |
wim | 21:9eb628d9e164 | 1597 | this->_writeByte(data); |
wim | 15:b70ebfffb258 | 1598 | wait_us(40); // data writes take 40us |
simon | 1:ac48b187213c | 1599 | } |
simon | 1:ac48b187213c | 1600 | |
wim | 8:03116f75b66e | 1601 | |
wim | 32:59c4b8f648d4 | 1602 | // This replaces the original _address() method. |
wim | 8:03116f75b66e | 1603 | // It is confusing since it returns the memoryaddress or-ed with the set memorycommand 0x80. |
wim | 8:03116f75b66e | 1604 | // Left it in here for compatibility with older code. New applications should use getAddress() instead. |
wim | 21:9eb628d9e164 | 1605 | int TextLCD_Base::_address(int column, int row) { |
wim | 8:03116f75b66e | 1606 | return 0x80 | getAddress(column, row); |
wim | 8:03116f75b66e | 1607 | } |
wim | 8:03116f75b66e | 1608 | |
wim | 30:033048611c01 | 1609 | |
wim | 30:033048611c01 | 1610 | // This is new method to return the memory address based on row, column and displaytype. |
wim | 30:033048611c01 | 1611 | // |
wim | 30:033048611c01 | 1612 | /** Return the memoryaddress of screen column and row location |
wim | 30:033048611c01 | 1613 | * |
wim | 30:033048611c01 | 1614 | * @param column The horizontal position from the left, indexed from 0 |
wim | 30:033048611c01 | 1615 | * @param row The vertical position from the top, indexed from 0 |
wim | 36:9f5f86dfd44a | 1616 | * @return The memoryaddress of screen column and row location |
wim | 30:033048611c01 | 1617 | * |
wim | 30:033048611c01 | 1618 | */ |
wim | 30:033048611c01 | 1619 | int TextLCD_Base::getAddress(int column, int row) { |
wim | 30:033048611c01 | 1620 | |
wim | 30:033048611c01 | 1621 | switch (_addr_mode) { |
wim | 30:033048611c01 | 1622 | |
wim | 30:033048611c01 | 1623 | case LCD_T_A: |
wim | 30:033048611c01 | 1624 | //Default addressing mode for 1, 2 and 4 rows (except 40x4) |
wim | 30:033048611c01 | 1625 | //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 | 1626 | //Displays top rows when less than four are used. |
wim | 30:033048611c01 | 1627 | switch (row) { |
wim | 30:033048611c01 | 1628 | case 0: |
wim | 30:033048611c01 | 1629 | return 0x00 + column; |
wim | 30:033048611c01 | 1630 | case 1: |
wim | 30:033048611c01 | 1631 | return 0x40 + column; |
wim | 30:033048611c01 | 1632 | case 2: |
wim | 30:033048611c01 | 1633 | return 0x00 + _nr_cols + column; |
wim | 30:033048611c01 | 1634 | case 3: |
wim | 30:033048611c01 | 1635 | return 0x40 + _nr_cols + column; |
wim | 30:033048611c01 | 1636 | // Should never get here. |
wim | 39:e9c2319de9c5 | 1637 | // default: |
wim | 39:e9c2319de9c5 | 1638 | // return 0x00; |
wim | 30:033048611c01 | 1639 | } |
wim | 30:033048611c01 | 1640 | |
wim | 30:033048611c01 | 1641 | case LCD_T_B: |
wim | 30:033048611c01 | 1642 | // LCD8x2B is a special layout of LCD16x1 |
wim | 30:033048611c01 | 1643 | if (row==0) |
wim | 30:033048611c01 | 1644 | return 0x00 + column; |
wim | 30:033048611c01 | 1645 | else |
wim | 30:033048611c01 | 1646 | // return _nr_cols + column; |
wim | 30:033048611c01 | 1647 | return 0x08 + column; |
wim | 30:033048611c01 | 1648 | |
wim | 30:033048611c01 | 1649 | case LCD_T_C: |
wim | 30:033048611c01 | 1650 | // LCD16x1C is a special layout of LCD8x2 |
wim | 33:900a94bc7585 | 1651 | // LCD32x1C is a special layout of LCD16x2 |
wim | 33:900a94bc7585 | 1652 | // LCD40x1C is a special layout of LCD20x2 |
wim | 33:900a94bc7585 | 1653 | #if(0) |
wim | 32:59c4b8f648d4 | 1654 | if (column < 8) |
wim | 30:033048611c01 | 1655 | return 0x00 + column; |
wim | 30:033048611c01 | 1656 | else |
wim | 30:033048611c01 | 1657 | return 0x40 + (column - 8); |
wim | 32:59c4b8f648d4 | 1658 | #else |
wim | 32:59c4b8f648d4 | 1659 | if (column < (_nr_cols >> 1)) |
wim | 32:59c4b8f648d4 | 1660 | return 0x00 + column; |
wim | 32:59c4b8f648d4 | 1661 | else |
wim | 32:59c4b8f648d4 | 1662 | return 0x40 + (column - (_nr_cols >> 1)); |
wim | 32:59c4b8f648d4 | 1663 | #endif |
wim | 30:033048611c01 | 1664 | |
wim | 30:033048611c01 | 1665 | // Not sure about this one, seems wrong. |
wim | 30:033048611c01 | 1666 | // Left in for compatibility with original library |
wim | 30:033048611c01 | 1667 | // case LCD16x2B: |
wim | 30:033048611c01 | 1668 | // return 0x00 + (row * 40) + column; |
wim | 30:033048611c01 | 1669 | |
wim | 30:033048611c01 | 1670 | case LCD_T_D: |
wim | 36:9f5f86dfd44a | 1671 | //Alternate addressing mode for 3 and 4 row displays (except 40x4). Used by PCF21XX, KS0073, KS0078, SSD1803 |
wim | 30:033048611c01 | 1672 | //The 4 available rows start at a hardcoded address. |
wim | 30:033048611c01 | 1673 | //Displays top rows when less than four are used. |
wim | 30:033048611c01 | 1674 | switch (row) { |
wim | 30:033048611c01 | 1675 | case 0: |
wim | 30:033048611c01 | 1676 | return 0x00 + column; |
wim | 30:033048611c01 | 1677 | case 1: |
wim | 30:033048611c01 | 1678 | return 0x20 + column; |
wim | 30:033048611c01 | 1679 | case 2: |
wim | 30:033048611c01 | 1680 | return 0x40 + column; |
wim | 30:033048611c01 | 1681 | case 3: |
wim | 30:033048611c01 | 1682 | return 0x60 + column; |
wim | 30:033048611c01 | 1683 | // Should never get here. |
wim | 39:e9c2319de9c5 | 1684 | // default: |
wim | 39:e9c2319de9c5 | 1685 | // return 0x00; |
wim | 30:033048611c01 | 1686 | } |
wim | 30:033048611c01 | 1687 | |
wim | 30:033048611c01 | 1688 | case LCD_T_D1: |
wim | 36:9f5f86dfd44a | 1689 | //Alternate addressing mode for 3 row displays. Used by PCF21XX, KS0073, KS0078, SSD1803 |
wim | 30:033048611c01 | 1690 | //The 4 available rows start at a hardcoded address. |
wim | 30:033048611c01 | 1691 | //Skips top row of 4 row display and starts display at row 1 |
wim | 30:033048611c01 | 1692 | switch (row) { |
wim | 30:033048611c01 | 1693 | case 0: |
wim | 30:033048611c01 | 1694 | return 0x20 + column; |
wim | 30:033048611c01 | 1695 | case 1: |
wim | 30:033048611c01 | 1696 | return 0x40 + column; |
wim | 30:033048611c01 | 1697 | case 2: |
wim | 30:033048611c01 | 1698 | return 0x60 + column; |
wim | 30:033048611c01 | 1699 | // Should never get here. |
wim | 39:e9c2319de9c5 | 1700 | // default: |
wim | 39:e9c2319de9c5 | 1701 | // return 0x00; |
wim | 30:033048611c01 | 1702 | } |
wim | 30:033048611c01 | 1703 | |
wim | 30:033048611c01 | 1704 | case LCD_T_E: |
wim | 30:033048611c01 | 1705 | // LCD40x4 is a special case since it has 2 controllers. |
wim | 30:033048611c01 | 1706 | // Each controller is configured as 40x2 (Type A) |
wim | 30:033048611c01 | 1707 | if (row<2) { |
wim | 30:033048611c01 | 1708 | // Test to see if we need to switch between controllers |
wim | 30:033048611c01 | 1709 | if (_ctrl_idx != _LCDCtrl_0) { |
wim | 30:033048611c01 | 1710 | |
wim | 30:033048611c01 | 1711 | // Second LCD controller Cursor Off |
wim | 30:033048611c01 | 1712 | _setCursorAndDisplayMode(_currentMode, CurOff_BlkOff); |
wim | 30:033048611c01 | 1713 | |
wim | 30:033048611c01 | 1714 | // Select primary controller |
wim | 30:033048611c01 | 1715 | _ctrl_idx = _LCDCtrl_0; |
wim | 30:033048611c01 | 1716 | |
wim | 30:033048611c01 | 1717 | // Restore cursormode on primary LCD controller |
wim | 30:033048611c01 | 1718 | _setCursorAndDisplayMode(_currentMode, _currentCursor); |
wim | 30:033048611c01 | 1719 | } |
wim | 30:033048611c01 | 1720 | |
wim | 30:033048611c01 | 1721 | return 0x00 + (row * 0x40) + column; |
wim | 30:033048611c01 | 1722 | } |
wim | 30:033048611c01 | 1723 | else { |
wim | 30:033048611c01 | 1724 | |
wim | 30:033048611c01 | 1725 | // Test to see if we need to switch between controllers |
wim | 30:033048611c01 | 1726 | if (_ctrl_idx != _LCDCtrl_1) { |
wim | 30:033048611c01 | 1727 | // Primary LCD controller Cursor Off |
wim | 30:033048611c01 | 1728 | _setCursorAndDisplayMode(_currentMode, CurOff_BlkOff); |
wim | 30:033048611c01 | 1729 | |
wim | 30:033048611c01 | 1730 | // Select secondary controller |
wim | 30:033048611c01 | 1731 | _ctrl_idx = _LCDCtrl_1; |
wim | 30:033048611c01 | 1732 | |
wim | 30:033048611c01 | 1733 | // Restore cursormode on secondary LCD controller |
wim | 30:033048611c01 | 1734 | _setCursorAndDisplayMode(_currentMode, _currentCursor); |
wim | 30:033048611c01 | 1735 | } |
wim | 30:033048611c01 | 1736 | |
wim | 30:033048611c01 | 1737 | return 0x00 + ((row-2) * 0x40) + column; |
wim | 30:033048611c01 | 1738 | } |
wim | 30:033048611c01 | 1739 | |
wim | 32:59c4b8f648d4 | 1740 | case LCD_T_F: |
wim | 32:59c4b8f648d4 | 1741 | //Alternate addressing mode for 3 row displays. |
wim | 32:59c4b8f648d4 | 1742 | //The first half of 3rd row continues from 1st row, the second half continues from 2nd row. |
wim | 32:59c4b8f648d4 | 1743 | switch (row) { |
wim | 32:59c4b8f648d4 | 1744 | case 0: |
wim | 32:59c4b8f648d4 | 1745 | return 0x00 + column; |
wim | 32:59c4b8f648d4 | 1746 | case 1: |
wim | 32:59c4b8f648d4 | 1747 | return 0x40 + column; |
wim | 32:59c4b8f648d4 | 1748 | case 2: |
wim | 32:59c4b8f648d4 | 1749 | if (column < (_nr_cols >> 1)) // check first or second half of line |
wim | 32:59c4b8f648d4 | 1750 | return (0x00 + _nr_cols + column); |
wim | 32:59c4b8f648d4 | 1751 | else |
wim | 32:59c4b8f648d4 | 1752 | return (0x40 + _nr_cols + (column - (_nr_cols >> 1))); |
wim | 32:59c4b8f648d4 | 1753 | // Should never get here. |
wim | 39:e9c2319de9c5 | 1754 | // default: |
wim | 39:e9c2319de9c5 | 1755 | // return 0x00; |
wim | 32:59c4b8f648d4 | 1756 | } |
wim | 32:59c4b8f648d4 | 1757 | |
wim | 32:59c4b8f648d4 | 1758 | case LCD_T_G: |
wim | 32:59c4b8f648d4 | 1759 | //Alternate addressing mode for 3 row displays. Used by ST7036 |
wim | 32:59c4b8f648d4 | 1760 | switch (row) { |
wim | 32:59c4b8f648d4 | 1761 | case 0: |
wim | 32:59c4b8f648d4 | 1762 | return 0x00 + column; |
wim | 32:59c4b8f648d4 | 1763 | case 1: |
wim | 32:59c4b8f648d4 | 1764 | return 0x10 + column; |
wim | 32:59c4b8f648d4 | 1765 | case 2: |
wim | 32:59c4b8f648d4 | 1766 | return 0x20 + column; |
wim | 32:59c4b8f648d4 | 1767 | // Should never get here. |
wim | 39:e9c2319de9c5 | 1768 | // default: |
wim | 39:e9c2319de9c5 | 1769 | // return 0x00; |
wim | 32:59c4b8f648d4 | 1770 | } |
wim | 32:59c4b8f648d4 | 1771 | |
wim | 30:033048611c01 | 1772 | // Should never get here. |
wim | 30:033048611c01 | 1773 | default: |
wim | 30:033048611c01 | 1774 | return 0x00; |
wim | 32:59c4b8f648d4 | 1775 | |
wim | 32:59c4b8f648d4 | 1776 | } // switch _addr_mode |
wim | 30:033048611c01 | 1777 | } |
wim | 30:033048611c01 | 1778 | |
wim | 30:033048611c01 | 1779 | |
wim | 29:a3663151aa65 | 1780 | /** Set the memoryaddress of screen column and row location |
wim | 29:a3663151aa65 | 1781 | * |
wim | 29:a3663151aa65 | 1782 | * @param column The horizontal position from the left, indexed from 0 |
wim | 29:a3663151aa65 | 1783 | * @param row The vertical position from the top, indexed from 0 |
wim | 29:a3663151aa65 | 1784 | */ |
wim | 21:9eb628d9e164 | 1785 | void TextLCD_Base::setAddress(int column, int row) { |
wim | 15:b70ebfffb258 | 1786 | |
wim | 15:b70ebfffb258 | 1787 | // Sanity Check column |
wim | 15:b70ebfffb258 | 1788 | if (column < 0) { |
wim | 15:b70ebfffb258 | 1789 | _column = 0; |
wim | 15:b70ebfffb258 | 1790 | } |
wim | 36:9f5f86dfd44a | 1791 | else if (column >= _nr_cols) { |
wim | 36:9f5f86dfd44a | 1792 | _column = _nr_cols - 1; |
wim | 15:b70ebfffb258 | 1793 | } else _column = column; |
wim | 8:03116f75b66e | 1794 | |
wim | 15:b70ebfffb258 | 1795 | // Sanity Check row |
wim | 15:b70ebfffb258 | 1796 | if (row < 0) { |
wim | 15:b70ebfffb258 | 1797 | _row = 0; |
wim | 15:b70ebfffb258 | 1798 | } |
wim | 36:9f5f86dfd44a | 1799 | else if (row >= _nr_rows) { |
wim | 36:9f5f86dfd44a | 1800 | _row = _nr_rows - 1; |
wim | 15:b70ebfffb258 | 1801 | } else _row = row; |
wim | 15:b70ebfffb258 | 1802 | |
wim | 15:b70ebfffb258 | 1803 | |
wim | 15:b70ebfffb258 | 1804 | // Compute the memory address |
wim | 15:b70ebfffb258 | 1805 | // For LCD40x4: switch controllers if needed |
wim | 15:b70ebfffb258 | 1806 | // switch cursor if needed |
wim | 15:b70ebfffb258 | 1807 | int addr = getAddress(_column, _row); |
wim | 8:03116f75b66e | 1808 | |
wim | 13:24506ba22480 | 1809 | _writeCommand(0x80 | addr); |
wim | 8:03116f75b66e | 1810 | } |
simon | 1:ac48b187213c | 1811 | |
wim | 29:a3663151aa65 | 1812 | |
wim | 29:a3663151aa65 | 1813 | /** Return the number of columns |
wim | 29:a3663151aa65 | 1814 | * |
wim | 36:9f5f86dfd44a | 1815 | * @return The number of columns |
wim | 30:033048611c01 | 1816 | * |
wim | 30:033048611c01 | 1817 | * Note: some configurations are commented out because they have not yet been tested due to lack of hardware |
wim | 29:a3663151aa65 | 1818 | */ |
wim | 21:9eb628d9e164 | 1819 | int TextLCD_Base::columns() { |
wim | 30:033048611c01 | 1820 | |
wim | 30:033048611c01 | 1821 | // Columns encoded in b7..b0 |
wim | 30:033048611c01 | 1822 | //return (_type & 0xFF); |
wim | 31:ef31cd8a00d1 | 1823 | return _nr_cols; |
simon | 1:ac48b187213c | 1824 | } |
simon | 1:ac48b187213c | 1825 | |
wim | 29:a3663151aa65 | 1826 | /** Return the number of rows |
wim | 29:a3663151aa65 | 1827 | * |
wim | 36:9f5f86dfd44a | 1828 | * @return The number of rows |
wim | 30:033048611c01 | 1829 | * |
wim | 30:033048611c01 | 1830 | * Note: some configurations are commented out because they have not yet been tested due to lack of hardware |
wim | 29:a3663151aa65 | 1831 | */ |
wim | 21:9eb628d9e164 | 1832 | int TextLCD_Base::rows() { |
wim | 30:033048611c01 | 1833 | |
wim | 30:033048611c01 | 1834 | // Rows encoded in b15..b8 |
wim | 30:033048611c01 | 1835 | //return ((_type >> 8) & 0xFF); |
wim | 30:033048611c01 | 1836 | return _nr_rows; |
simon | 1:ac48b187213c | 1837 | } |
wim | 10:dd9b3a696acd | 1838 | |
wim | 29:a3663151aa65 | 1839 | /** Set the Cursormode |
wim | 29:a3663151aa65 | 1840 | * |
wim | 29:a3663151aa65 | 1841 | * @param cursorMode The Cursor mode (CurOff_BlkOff, CurOn_BlkOff, CurOff_BlkOn, CurOn_BlkOn) |
wim | 29:a3663151aa65 | 1842 | */ |
wim | 21:9eb628d9e164 | 1843 | void TextLCD_Base::setCursor(LCDCursor cursorMode) { |
wim | 15:b70ebfffb258 | 1844 | |
wim | 17:652ab113bc2e | 1845 | // Save new cursor mode, needed when 2 controllers are in use or when display is switched off/on |
wim | 17:652ab113bc2e | 1846 | _currentCursor = cursorMode; |
wim | 10:dd9b3a696acd | 1847 | |
wim | 17:652ab113bc2e | 1848 | // Configure only current LCD controller |
wim | 31:ef31cd8a00d1 | 1849 | _setCursorAndDisplayMode(_currentMode, _currentCursor); |
wim | 15:b70ebfffb258 | 1850 | } |
wim | 15:b70ebfffb258 | 1851 | |
wim | 29:a3663151aa65 | 1852 | /** Set the Displaymode |
wim | 29:a3663151aa65 | 1853 | * |
wim | 29:a3663151aa65 | 1854 | * @param displayMode The Display mode (DispOff, DispOn) |
wim | 29:a3663151aa65 | 1855 | */ |
wim | 21:9eb628d9e164 | 1856 | void TextLCD_Base::setMode(LCDMode displayMode) { |
wim | 17:652ab113bc2e | 1857 | |
wim | 17:652ab113bc2e | 1858 | // Save new displayMode, needed when 2 controllers are in use or when cursor is changed |
wim | 17:652ab113bc2e | 1859 | _currentMode = displayMode; |
wim | 15:b70ebfffb258 | 1860 | |
wim | 17:652ab113bc2e | 1861 | // Select and configure second LCD controller when needed |
wim | 17:652ab113bc2e | 1862 | if(_type==LCD40x4) { |
wim | 21:9eb628d9e164 | 1863 | if (_ctrl_idx==_LCDCtrl_0) { |
wim | 17:652ab113bc2e | 1864 | // Configure primary LCD controller |
wim | 17:652ab113bc2e | 1865 | _setCursorAndDisplayMode(_currentMode, _currentCursor); |
wim | 11:9ec02df863a1 | 1866 | |
wim | 17:652ab113bc2e | 1867 | // Select 2nd controller |
wim | 21:9eb628d9e164 | 1868 | _ctrl_idx=_LCDCtrl_1; |
wim | 17:652ab113bc2e | 1869 | |
wim | 17:652ab113bc2e | 1870 | // Configure secondary LCD controller |
wim | 21:9eb628d9e164 | 1871 | _setCursorAndDisplayMode(_currentMode, CurOff_BlkOff); |
wim | 11:9ec02df863a1 | 1872 | |
wim | 17:652ab113bc2e | 1873 | // Restore current controller |
wim | 21:9eb628d9e164 | 1874 | _ctrl_idx=_LCDCtrl_0; |
wim | 17:652ab113bc2e | 1875 | } |
wim | 17:652ab113bc2e | 1876 | else { |
wim | 17:652ab113bc2e | 1877 | // Select primary controller |
wim | 21:9eb628d9e164 | 1878 | _ctrl_idx=_LCDCtrl_0; |
wim | 17:652ab113bc2e | 1879 | |
wim | 17:652ab113bc2e | 1880 | // Configure primary LCD controller |
wim | 21:9eb628d9e164 | 1881 | _setCursorAndDisplayMode(_currentMode, CurOff_BlkOff); |
wim | 17:652ab113bc2e | 1882 | |
wim | 17:652ab113bc2e | 1883 | // Restore current controller |
wim | 21:9eb628d9e164 | 1884 | _ctrl_idx=_LCDCtrl_1; |
wim | 11:9ec02df863a1 | 1885 | |
wim | 17:652ab113bc2e | 1886 | // Configure secondary LCD controller |
wim | 17:652ab113bc2e | 1887 | _setCursorAndDisplayMode(_currentMode, _currentCursor); |
wim | 10:dd9b3a696acd | 1888 | } |
wim | 17:652ab113bc2e | 1889 | } |
wim | 17:652ab113bc2e | 1890 | else { |
wim | 17:652ab113bc2e | 1891 | // Configure primary LCD controller |
wim | 17:652ab113bc2e | 1892 | _setCursorAndDisplayMode(_currentMode, _currentCursor); |
wim | 30:033048611c01 | 1893 | } |
wim | 17:652ab113bc2e | 1894 | } |
wim | 17:652ab113bc2e | 1895 | |
wim | 29:a3663151aa65 | 1896 | /** Low level method to restore the cursortype and display mode for current controller |
wim | 29:a3663151aa65 | 1897 | */ |
wim | 36:9f5f86dfd44a | 1898 | void TextLCD_Base::_setCursorAndDisplayMode(LCDMode displayMode, LCDCursor cursorType) { |
wim | 36:9f5f86dfd44a | 1899 | |
wim | 36:9f5f86dfd44a | 1900 | // Configure current LCD controller |
wim | 36:9f5f86dfd44a | 1901 | switch (_ctrl) { |
wim | 36:9f5f86dfd44a | 1902 | case ST7070: |
wim | 36:9f5f86dfd44a | 1903 | //ST7070 does not support Cursorblink. The P bit selects the font instead ! |
wim | 36:9f5f86dfd44a | 1904 | _writeCommand(0x08 | displayMode | (cursorType & 0x02)); |
wim | 36:9f5f86dfd44a | 1905 | break; |
wim | 36:9f5f86dfd44a | 1906 | default: |
wim | 36:9f5f86dfd44a | 1907 | _writeCommand(0x08 | displayMode | cursorType); |
wim | 36:9f5f86dfd44a | 1908 | break; |
wim | 36:9f5f86dfd44a | 1909 | } //switch |
wim | 10:dd9b3a696acd | 1910 | } |
wim | 10:dd9b3a696acd | 1911 | |
wim | 29:a3663151aa65 | 1912 | /** Set the Backlight mode |
wim | 29:a3663151aa65 | 1913 | * |
wim | 29:a3663151aa65 | 1914 | * @param backlightMode The Backlight mode (LightOff, LightOn) |
wim | 29:a3663151aa65 | 1915 | */ |
wim | 21:9eb628d9e164 | 1916 | void TextLCD_Base::setBacklight(LCDBacklight backlightMode) { |
wim | 20:e0da005a777f | 1917 | |
wim | 35:311be6444a39 | 1918 | #if (BACKLIGHT_INV==0) |
wim | 35:311be6444a39 | 1919 | // Positive Backlight control pin logic |
wim | 20:e0da005a777f | 1920 | if (backlightMode == LightOn) { |
wim | 35:311be6444a39 | 1921 | this->_setBL(true); |
wim | 20:e0da005a777f | 1922 | } |
wim | 20:e0da005a777f | 1923 | else { |
wim | 21:9eb628d9e164 | 1924 | this->_setBL(false); |
wim | 20:e0da005a777f | 1925 | } |
wim | 35:311be6444a39 | 1926 | #else |
wim | 35:311be6444a39 | 1927 | // Inverted Backlight control pin logic |
wim | 35:311be6444a39 | 1928 | if (backlightMode == LightOn) { |
wim | 35:311be6444a39 | 1929 | this->_setBL(false); |
wim | 35:311be6444a39 | 1930 | } |
wim | 35:311be6444a39 | 1931 | else { |
wim | 35:311be6444a39 | 1932 | this->_setBL(true); |
wim | 35:311be6444a39 | 1933 | } |
wim | 35:311be6444a39 | 1934 | #endif |
wim | 20:e0da005a777f | 1935 | } |
wim | 20:e0da005a777f | 1936 | |
wim | 29:a3663151aa65 | 1937 | /** Set User Defined Characters |
wim | 29:a3663151aa65 | 1938 | * |
wim | 34:e5a0dcb43ecc | 1939 | * @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 | 1940 | * @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 | 1941 | */ |
wim | 21:9eb628d9e164 | 1942 | void TextLCD_Base::setUDC(unsigned char c, char *udc_data) { |
wim | 15:b70ebfffb258 | 1943 | |
wim | 15:b70ebfffb258 | 1944 | // Select and configure second LCD controller when needed |
wim | 15:b70ebfffb258 | 1945 | if(_type==LCD40x4) { |
wim | 19:c747b9e2e7b8 | 1946 | _LCDCtrl_Idx current_ctrl_idx = _ctrl_idx; // Temp save current controller |
wim | 15:b70ebfffb258 | 1947 | |
wim | 15:b70ebfffb258 | 1948 | // Select primary controller |
wim | 21:9eb628d9e164 | 1949 | _ctrl_idx=_LCDCtrl_0; |
wim | 15:b70ebfffb258 | 1950 | |
wim | 15:b70ebfffb258 | 1951 | // Configure primary LCD controller |
wim | 15:b70ebfffb258 | 1952 | _setUDC(c, udc_data); |
wim | 15:b70ebfffb258 | 1953 | |
wim | 15:b70ebfffb258 | 1954 | // Select 2nd controller |
wim | 21:9eb628d9e164 | 1955 | _ctrl_idx=_LCDCtrl_1; |
wim | 15:b70ebfffb258 | 1956 | |
wim | 15:b70ebfffb258 | 1957 | // Configure secondary LCD controller |
wim | 15:b70ebfffb258 | 1958 | _setUDC(c, udc_data); |
wim | 11:9ec02df863a1 | 1959 | |
wim | 15:b70ebfffb258 | 1960 | // Restore current controller |
wim | 19:c747b9e2e7b8 | 1961 | _ctrl_idx=current_ctrl_idx; |
wim | 15:b70ebfffb258 | 1962 | } |
wim | 15:b70ebfffb258 | 1963 | else { |
wim | 15:b70ebfffb258 | 1964 | // Configure primary LCD controller |
wim | 15:b70ebfffb258 | 1965 | _setUDC(c, udc_data); |
wim | 34:e5a0dcb43ecc | 1966 | } |
wim | 15:b70ebfffb258 | 1967 | } |
wim | 15:b70ebfffb258 | 1968 | |
wim | 34:e5a0dcb43ecc | 1969 | /** Low level method to store user defined characters for current controller |
wim | 34:e5a0dcb43ecc | 1970 | * |
wim | 34:e5a0dcb43ecc | 1971 | * @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 | 1972 | * @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 | 1973 | */ |
wim | 34:e5a0dcb43ecc | 1974 | void TextLCD_Base::_setUDC(unsigned char c, char *udc_data) { |
wim | 34:e5a0dcb43ecc | 1975 | |
wim | 34:e5a0dcb43ecc | 1976 | switch (_ctrl) { |
wim | 34:e5a0dcb43ecc | 1977 | case PCF2103_3V3 : // Some UDCs may be used for Icons |
wim | 34:e5a0dcb43ecc | 1978 | case PCF2113_3V3 : // Some UDCs may be used for Icons |
wim | 34:e5a0dcb43ecc | 1979 | case PCF2116_3V3 : |
wim | 34:e5a0dcb43ecc | 1980 | case PCF2116_5V : |
wim | 34:e5a0dcb43ecc | 1981 | case PCF2119_3V3 : // Some UDCs may be used for Icons |
wim | 34:e5a0dcb43ecc | 1982 | c = c & 0x0F; // mask down to valid range |
wim | 34:e5a0dcb43ecc | 1983 | break; |
wim | 34:e5a0dcb43ecc | 1984 | |
wim | 34:e5a0dcb43ecc | 1985 | default: |
wim | 34:e5a0dcb43ecc | 1986 | c = c & 0x07; // mask down to valid range |
wim | 34:e5a0dcb43ecc | 1987 | break; |
wim | 34:e5a0dcb43ecc | 1988 | } //switch _ctrl |
wim | 34:e5a0dcb43ecc | 1989 | |
wim | 34:e5a0dcb43ecc | 1990 | // Select DD RAM for current LCD controller |
wim | 34:e5a0dcb43ecc | 1991 | // This is needed to correctly set Bit 6 of the addresspointer for controllers that support 16 UDCs |
wim | 34:e5a0dcb43ecc | 1992 | _writeCommand(0x80 | ((c << 3) & 0x40)) ; |
wim | 34:e5a0dcb43ecc | 1993 | |
wim | 34:e5a0dcb43ecc | 1994 | // Select CG RAM for current LCD controller |
wim | 34:e5a0dcb43ecc | 1995 | _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 | 1996 | //8 sequential locations needed per UDC |
wim | 34:e5a0dcb43ecc | 1997 | // Store UDC pattern |
wim | 34:e5a0dcb43ecc | 1998 | for (int i=0; i<8; i++) { |
wim | 34:e5a0dcb43ecc | 1999 | _writeData(*udc_data++); |
wim | 34:e5a0dcb43ecc | 2000 | } |
wim | 34:e5a0dcb43ecc | 2001 | |
wim | 34:e5a0dcb43ecc | 2002 | //Select DD RAM again for current LCD controller and restore the addresspointer |
wim | 34:e5a0dcb43ecc | 2003 | int addr = getAddress(_column, _row); |
wim | 34:e5a0dcb43ecc | 2004 | _writeCommand(0x80 | addr); |
wim | 34:e5a0dcb43ecc | 2005 | } |
wim | 32:59c4b8f648d4 | 2006 | |
wim | 39:e9c2319de9c5 | 2007 | #if(LCD_BLINK == 1) |
wim | 36:9f5f86dfd44a | 2008 | /** Set UDC Blink and Icon blink |
wim | 33:900a94bc7585 | 2009 | * setUDCBlink method is supported by some compatible devices (eg SSD1803) |
wim | 33:900a94bc7585 | 2010 | * |
wim | 33:900a94bc7585 | 2011 | * @param blinkMode The Blink mode (BlinkOff, BlinkOn) |
wim | 33:900a94bc7585 | 2012 | */ |
wim | 33:900a94bc7585 | 2013 | void TextLCD_Base::setUDCBlink(LCDBlink blinkMode){ |
wim | 36:9f5f86dfd44a | 2014 | // Blinking UDCs (and icons) are enabled when a specific controlbit (BE) is set. |
wim | 36:9f5f86dfd44a | 2015 | // The blinking pixels in the UDC and icons can be controlled by setting additional bits in the UDC or icon bitpattern. |
wim | 36:9f5f86dfd44a | 2016 | // UDCs are defined by an 8 byte bitpattern. The P0..P4 form the character pattern. |
wim | 33:900a94bc7585 | 2017 | // P7 P6 P5 P4 P3 P2 P1 P0 |
wim | 33:900a94bc7585 | 2018 | // 0 B1 B0 x 0 1 1 1 0 |
wim | 33:900a94bc7585 | 2019 | // 1 B1 B0 x 1 0 0 0 1 |
wim | 33:900a94bc7585 | 2020 | // ............. |
wim | 33:900a94bc7585 | 2021 | // 7 B1 B0 x 1 0 0 0 1 |
wim | 33:900a94bc7585 | 2022 | // |
wim | 33:900a94bc7585 | 2023 | // Bit 6 and Bit 7 in the pattern will control the blinking mode when Blink is enabled through BE. |
wim | 33:900a94bc7585 | 2024 | // B1 B0 Mode |
wim | 33:900a94bc7585 | 2025 | // 0 0 No Blinking in this row of the UDC |
wim | 33:900a94bc7585 | 2026 | // 0 1 Enabled pixels in P4 will blink |
wim | 33:900a94bc7585 | 2027 | // 1 x Enabled pixels in P0..P4 will blink |
wim | 36:9f5f86dfd44a | 2028 | // |
wim | 36:9f5f86dfd44a | 2029 | // Note: the PCF2103 and PCF2113 use UDCs to set Icons |
wim | 36:9f5f86dfd44a | 2030 | // 3 x 8 rows x 5 bits = 120 bits Icons for Normal pattern (UDC 0..2) and |
wim | 36:9f5f86dfd44a | 2031 | // 3 x 8 rows x 5 bits = 120 bits Icons for Blink pattern (UDC 4..6) |
wim | 36:9f5f86dfd44a | 2032 | // Note: the PCF2119 uses UDCs to set Icons |
wim | 36:9f5f86dfd44a | 2033 | // 4 x 8 rows x 5 bits = 160 bits Icons for Normal pattern (UDC 0..3) and |
wim | 36:9f5f86dfd44a | 2034 | // 4 x 8 rows x 5 bits = 160 bits Icons for Blink pattern (UDC 4..7) |
wim | 33:900a94bc7585 | 2035 | switch (blinkMode) { |
wim | 33:900a94bc7585 | 2036 | case BlinkOn: |
wim | 36:9f5f86dfd44a | 2037 | // Controllers that support UDC/Icon Blink |
wim | 33:900a94bc7585 | 2038 | switch (_ctrl) { |
wim | 36:9f5f86dfd44a | 2039 | case KS0073 : |
wim | 33:900a94bc7585 | 2040 | case KS0078 : |
wim | 36:9f5f86dfd44a | 2041 | _function_1 |= 0x02; // Enable UDC/Icon Blink |
wim | 36:9f5f86dfd44a | 2042 | _writeCommand(0x20 | _function_1); // Function set 0 0 1 DL N RE(1) BE 0/LP (Ext Regs) |
wim | 33:900a94bc7585 | 2043 | |
wim | 33:900a94bc7585 | 2044 | _writeCommand(0x20 | _function); // Function set 0 0 1 DL N RE(0) DH REV (Std Regs) |
wim | 36:9f5f86dfd44a | 2045 | break; // case KS0073, KS0078 Controller |
wim | 33:900a94bc7585 | 2046 | |
wim | 33:900a94bc7585 | 2047 | case US2066_3V3 : |
wim | 33:900a94bc7585 | 2048 | case SSD1803_3V3 : |
wim | 36:9f5f86dfd44a | 2049 | _function_1 |= 0x04; // Enable UDC/Icon Blink |
wim | 33:900a94bc7585 | 2050 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 DL N BE RE(1) REV |
wim | 33:900a94bc7585 | 2051 | // Select Ext Instr Set |
wim | 33:900a94bc7585 | 2052 | |
wim | 33:900a94bc7585 | 2053 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
wim | 33:900a94bc7585 | 2054 | // Select Std Instr set, Select IS=0 |
wim | 33:900a94bc7585 | 2055 | break; // case SSD1803, US2066 |
wim | 36:9f5f86dfd44a | 2056 | |
wim | 36:9f5f86dfd44a | 2057 | case PCF2103_3V3 : |
wim | 36:9f5f86dfd44a | 2058 | case PCF2113_3V3 : |
wim | 36:9f5f86dfd44a | 2059 | case PCF2119_3V3 : |
wim | 39:e9c2319de9c5 | 2060 | case PCF2119R_3V3 : |
wim | 36:9f5f86dfd44a | 2061 | // Enable Icon Blink |
wim | 36:9f5f86dfd44a | 2062 | _writeCommand(0x20 | _function | 0x01); // Set function, Select Instr Set = 1 |
wim | 36:9f5f86dfd44a | 2063 | _writeCommand(0x08 | 0x02); // ICON Conf 0000 1, IM=0 (Char mode), IB=1 (Icon blink), 0 (Instr. Set 1) |
wim | 36:9f5f86dfd44a | 2064 | _writeCommand(0x20 | _function); // Set function, Select Instr Set = 0 |
wim | 36:9f5f86dfd44a | 2065 | |
wim | 36:9f5f86dfd44a | 2066 | break; |
wim | 33:900a94bc7585 | 2067 | |
wim | 33:900a94bc7585 | 2068 | default: |
wim | 33:900a94bc7585 | 2069 | //Unsupported feature for other controllers |
wim | 33:900a94bc7585 | 2070 | break; |
wim | 33:900a94bc7585 | 2071 | } //switch _ctrl |
wim | 33:900a94bc7585 | 2072 | |
wim | 36:9f5f86dfd44a | 2073 | break; // BlinkOn |
wim | 33:900a94bc7585 | 2074 | |
wim | 33:900a94bc7585 | 2075 | case BlinkOff: |
wim | 33:900a94bc7585 | 2076 | // Controllers that support UDC Blink |
wim | 33:900a94bc7585 | 2077 | switch (_ctrl) { |
wim | 36:9f5f86dfd44a | 2078 | case KS0073 : |
wim | 33:900a94bc7585 | 2079 | case KS0078 : |
wim | 36:9f5f86dfd44a | 2080 | _function_1 &= ~0x02; // Disable UDC/Icon Blink |
wim | 36:9f5f86dfd44a | 2081 | _writeCommand(0x20 | _function_1); // Function set 0 0 1 DL N RE(1) BE 0/LP (Ext Regs) |
wim | 33:900a94bc7585 | 2082 | |
wim | 33:900a94bc7585 | 2083 | _writeCommand(0x20 | _function); // Function set 0 0 1 DL N RE(0) DH REV (Std Regs) |
wim | 36:9f5f86dfd44a | 2084 | break; // case KS0073, KS0078 Controller |
wim | 33:900a94bc7585 | 2085 | |
wim | 33:900a94bc7585 | 2086 | case US2066_3V3 : |
wim | 33:900a94bc7585 | 2087 | case SSD1803_3V3 : |
wim | 36:9f5f86dfd44a | 2088 | _function_1 &= ~0x04; // Disable UDC/Icon Blink |
wim | 33:900a94bc7585 | 2089 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 DL N BE RE(1) REV |
wim | 33:900a94bc7585 | 2090 | // Select Ext Instr Set |
wim | 33:900a94bc7585 | 2091 | |
wim | 33:900a94bc7585 | 2092 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
wim | 33:900a94bc7585 | 2093 | // Select Std Instr set, Select IS=0 |
wim | 33:900a94bc7585 | 2094 | break; // case SSD1803, US2066 |
wim | 36:9f5f86dfd44a | 2095 | |
wim | 36:9f5f86dfd44a | 2096 | case PCF2103_3V3 : |
wim | 39:e9c2319de9c5 | 2097 | case PCF2113_3V3 : |
wim | 39:e9c2319de9c5 | 2098 | case PCF2119_3V3 : |
wim | 39:e9c2319de9c5 | 2099 | case PCF2119R_3V3 : |
wim | 36:9f5f86dfd44a | 2100 | // Disable Icon Blink |
wim | 36:9f5f86dfd44a | 2101 | _writeCommand(0x20 | _function | 0x01); // Set function, Select Instr Set = 1 |
wim | 36:9f5f86dfd44a | 2102 | _writeCommand(0x08); // ICON Conf 0000 1, IM=0 (Char mode), IB=1 (Icon blink), 0 (Instr. Set 1) |
wim | 36:9f5f86dfd44a | 2103 | _writeCommand(0x20 | _function); // Set function, Select Instr Set = 0 |
wim | 36:9f5f86dfd44a | 2104 | |
wim | 36:9f5f86dfd44a | 2105 | break; |
wim | 33:900a94bc7585 | 2106 | |
wim | 33:900a94bc7585 | 2107 | default: |
wim | 33:900a94bc7585 | 2108 | //Unsupported feature for other controllers |
wim | 33:900a94bc7585 | 2109 | break; |
wim | 33:900a94bc7585 | 2110 | } //switch _ctrl |
wim | 33:900a94bc7585 | 2111 | |
wim | 36:9f5f86dfd44a | 2112 | break; //BlinkOff |
wim | 33:900a94bc7585 | 2113 | |
wim | 33:900a94bc7585 | 2114 | default: |
wim | 33:900a94bc7585 | 2115 | break; |
wim | 33:900a94bc7585 | 2116 | } // blinkMode |
wim | 33:900a94bc7585 | 2117 | |
wim | 33:900a94bc7585 | 2118 | } // setUDCBlink() |
wim | 39:e9c2319de9c5 | 2119 | #endif |
wim | 33:900a94bc7585 | 2120 | |
wim | 32:59c4b8f648d4 | 2121 | /** Set Contrast |
wim | 32:59c4b8f648d4 | 2122 | * setContrast method is supported by some compatible devices (eg ST7032i) that have onboard LCD voltage generation |
wim | 32:59c4b8f648d4 | 2123 | * Initial code for ST70XX imported from fork by JH1PJL |
wim | 32:59c4b8f648d4 | 2124 | * |
wim | 32:59c4b8f648d4 | 2125 | * @param unsigned char c contrast data (6 significant bits, valid range 0..63, Value 0 will disable the Vgen) |
wim | 32:59c4b8f648d4 | 2126 | * @return none |
wim | 32:59c4b8f648d4 | 2127 | */ |
wim | 32:59c4b8f648d4 | 2128 | //@TODO Add support for 40x4 dual controller |
wim | 32:59c4b8f648d4 | 2129 | void TextLCD_Base::setContrast(unsigned char c) { |
wim | 32:59c4b8f648d4 | 2130 | |
wim | 32:59c4b8f648d4 | 2131 | // Function set mode stored during Init. Make sure we dont accidentally switch between 1-line and 2-line mode! |
wim | 32:59c4b8f648d4 | 2132 | // Icon/Booster mode stored during Init. Make sure we dont accidentally change this! |
wim | 32:59c4b8f648d4 | 2133 | |
wim | 32:59c4b8f648d4 | 2134 | _contrast = c & 0x3F; // Sanity check |
wim | 32:59c4b8f648d4 | 2135 | |
wim | 33:900a94bc7585 | 2136 | switch (_ctrl) { |
wim | 32:59c4b8f648d4 | 2137 | case PCF2113_3V3 : |
wim | 39:e9c2319de9c5 | 2138 | case PCF2119_3V3 : |
wim | 39:e9c2319de9c5 | 2139 | case PCF2119R_3V3 : |
wim | 32:59c4b8f648d4 | 2140 | if (_contrast < 5) _contrast = 0; // See datasheet. Sanity check for PCF2113/PCF2119 |
wim | 32:59c4b8f648d4 | 2141 | if (_contrast > 55) _contrast = 55; |
wim | 32:59c4b8f648d4 | 2142 | |
wim | 32:59c4b8f648d4 | 2143 | _writeCommand(0x20 | _function | 0x01); // Set function, Select Instruction Set = 1 |
wim | 32:59c4b8f648d4 | 2144 | _writeCommand(0x80 | 0x00 | (_contrast & 0x3F)); // VLCD_set (Instr. Set 1) V=0, VA=contrast |
wim | 32:59c4b8f648d4 | 2145 | _writeCommand(0x80 | 0x40 | (_contrast & 0x3F)); // VLCD_set (Instr. Set 1) V=1, VB=contrast |
wim | 32:59c4b8f648d4 | 2146 | _writeCommand(0x20 | _function); // Select Instruction Set = 0 |
wim | 32:59c4b8f648d4 | 2147 | break; |
wim | 32:59c4b8f648d4 | 2148 | |
wim | 32:59c4b8f648d4 | 2149 | case ST7032_3V3 : |
wim | 32:59c4b8f648d4 | 2150 | case ST7032_5V : |
wim | 32:59c4b8f648d4 | 2151 | case ST7036_3V3 : |
wim | 32:59c4b8f648d4 | 2152 | // case ST7036_5V : |
wim | 32:59c4b8f648d4 | 2153 | case SSD1803_3V3 : |
wim | 32:59c4b8f648d4 | 2154 | _writeCommand(0x20 | _function | 0x01); // Select Instruction Set = 1 |
wim | 32:59c4b8f648d4 | 2155 | _writeCommand(0x70 | (_contrast & 0x0F)); // Contrast Low bits |
wim | 32:59c4b8f648d4 | 2156 | _writeCommand(0x50 | _icon_power | ((_contrast >> 4) & 0x03)); // Contrast High bits |
wim | 32:59c4b8f648d4 | 2157 | _writeCommand(0x20 | _function); // Select Instruction Set = 0 |
wim | 32:59c4b8f648d4 | 2158 | break; |
wim | 32:59c4b8f648d4 | 2159 | |
wim | 33:900a94bc7585 | 2160 | case US2066_3V3 : |
wim | 33:900a94bc7585 | 2161 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 DL N BE RE(1) REV |
wim | 33:900a94bc7585 | 2162 | // Select Extended Instruction Set |
wim | 33:900a94bc7585 | 2163 | |
wim | 33:900a94bc7585 | 2164 | _writeCommand(0x79); // Function Select OLED: 0 1 1 1 1 0 0 1 (Ext Instr Set) |
wim | 33:900a94bc7585 | 2165 | |
wim | 33:900a94bc7585 | 2166 | _writeCommand(0x81); // Set Contrast Control: 1 0 0 0 0 0 0 1 (Ext Instr Set, OLED) |
wim | 33:900a94bc7585 | 2167 | _writeCommand((_contrast << 2) | 0x03); // Set Contrast Value: 8 bits. Use 6 bits for compatibility |
wim | 33:900a94bc7585 | 2168 | |
wim | 33:900a94bc7585 | 2169 | _writeCommand(0x78); // Function Disable OLED: 0 1 1 1 1 0 0 0 (Ext Instr Set) |
wim | 33:900a94bc7585 | 2170 | |
wim | 33:900a94bc7585 | 2171 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
wim | 33:900a94bc7585 | 2172 | // Select Std Instr set, Select IS=0 |
wim | 33:900a94bc7585 | 2173 | break; |
wim | 33:900a94bc7585 | 2174 | |
wim | 34:e5a0dcb43ecc | 2175 | //not yet tested on hardware |
wim | 32:59c4b8f648d4 | 2176 | case PT6314 : |
wim | 32:59c4b8f648d4 | 2177 | // Only 2 significant bits |
wim | 32:59c4b8f648d4 | 2178 | // 0x00 = 100% |
wim | 32:59c4b8f648d4 | 2179 | // 0x01 = 75% |
wim | 32:59c4b8f648d4 | 2180 | // 0x02 = 50% |
wim | 32:59c4b8f648d4 | 2181 | // 0x03 = 25% |
wim | 32:59c4b8f648d4 | 2182 | _writeCommand(0x20 | _function | ((~_contrast) >> 4)); // Invert and shift to use 2 MSBs |
wim | 32:59c4b8f648d4 | 2183 | break; |
wim | 32:59c4b8f648d4 | 2184 | |
wim | 32:59c4b8f648d4 | 2185 | default: |
wim | 32:59c4b8f648d4 | 2186 | //Unsupported feature for other controllers |
wim | 33:900a94bc7585 | 2187 | break; |
wim | 33:900a94bc7585 | 2188 | } // end switch |
wim | 33:900a94bc7585 | 2189 | } // end setContrast() |
wim | 32:59c4b8f648d4 | 2190 | |
wim | 39:e9c2319de9c5 | 2191 | #if(LCD_POWER == 1) |
wim | 32:59c4b8f648d4 | 2192 | /** Set Power |
wim | 32:59c4b8f648d4 | 2193 | * setPower method is supported by some compatible devices (eg SSD1803) that have power down modes |
wim | 32:59c4b8f648d4 | 2194 | * |
wim | 32:59c4b8f648d4 | 2195 | * @param bool powerOn Power on/off |
wim | 32:59c4b8f648d4 | 2196 | * @return none |
wim | 32:59c4b8f648d4 | 2197 | */ |
wim | 32:59c4b8f648d4 | 2198 | //@TODO Add support for 40x4 dual controller |
wim | 32:59c4b8f648d4 | 2199 | void TextLCD_Base::setPower(bool powerOn) { |
wim | 32:59c4b8f648d4 | 2200 | |
wim | 32:59c4b8f648d4 | 2201 | if (powerOn) { |
wim | 32:59c4b8f648d4 | 2202 | // Switch on |
wim | 32:59c4b8f648d4 | 2203 | setMode(DispOn); |
wim | 32:59c4b8f648d4 | 2204 | |
wim | 32:59c4b8f648d4 | 2205 | // Controllers that supports specific Power Down mode |
wim | 32:59c4b8f648d4 | 2206 | switch (_ctrl) { |
wim | 32:59c4b8f648d4 | 2207 | |
wim | 32:59c4b8f648d4 | 2208 | // case PCF2113_3V3 : |
wim | 39:e9c2319de9c5 | 2209 | // case PCF2119_3V3 : |
wim | 39:e9c2319de9c5 | 2210 | // case PCF2119R_3V3 : |
wim | 32:59c4b8f648d4 | 2211 | // case ST7032_3V3 : |
wim | 32:59c4b8f648d4 | 2212 | //@todo |
wim | 33:900a94bc7585 | 2213 | // enable Booster Bon |
wim | 33:900a94bc7585 | 2214 | |
wim | 33:900a94bc7585 | 2215 | case WS0010: |
wim | 33:900a94bc7585 | 2216 | _writeCommand(0x17); // Char mode, DC/DC on |
wim | 33:900a94bc7585 | 2217 | wait_ms(10); // Wait 10ms to ensure powered up |
wim | 33:900a94bc7585 | 2218 | break; |
wim | 33:900a94bc7585 | 2219 | |
wim | 36:9f5f86dfd44a | 2220 | case KS0073: |
wim | 33:900a94bc7585 | 2221 | case KS0078: |
wim | 32:59c4b8f648d4 | 2222 | case SSD1803_3V3 : |
wim | 32:59c4b8f648d4 | 2223 | // case SSD1803_5V : |
wim | 33:900a94bc7585 | 2224 | _writeCommand(0x20 | _function_1); // Select Ext Instr Set |
wim | 33:900a94bc7585 | 2225 | _writeCommand(0x02); // Power On |
wim | 32:59c4b8f648d4 | 2226 | _writeCommand(0x20 | _function); // Select Std Instr Set |
wim | 32:59c4b8f648d4 | 2227 | break; |
wim | 32:59c4b8f648d4 | 2228 | |
wim | 32:59c4b8f648d4 | 2229 | default: |
wim | 32:59c4b8f648d4 | 2230 | //Unsupported feature for other controllers |
wim | 32:59c4b8f648d4 | 2231 | break; |
wim | 32:59c4b8f648d4 | 2232 | } // end switch |
wim | 32:59c4b8f648d4 | 2233 | } |
wim | 32:59c4b8f648d4 | 2234 | else { |
wim | 32:59c4b8f648d4 | 2235 | // Switch off |
wim | 32:59c4b8f648d4 | 2236 | setMode(DispOff); |
wim | 32:59c4b8f648d4 | 2237 | |
wim | 32:59c4b8f648d4 | 2238 | // Controllers that support specific Power Down mode |
wim | 32:59c4b8f648d4 | 2239 | switch (_ctrl) { |
wim | 32:59c4b8f648d4 | 2240 | |
wim | 32:59c4b8f648d4 | 2241 | // case PCF2113_3V3 : |
wim | 39:e9c2319de9c5 | 2242 | // case PCF2119_3V3 : |
wim | 39:e9c2319de9c5 | 2243 | // case PCF2119R_3V3 : |
wim | 32:59c4b8f648d4 | 2244 | // case ST7032_3V3 : |
wim | 32:59c4b8f648d4 | 2245 | //@todo |
wim | 33:900a94bc7585 | 2246 | // disable Booster Bon |
wim | 33:900a94bc7585 | 2247 | |
wim | 33:900a94bc7585 | 2248 | case WS0010: |
wim | 33:900a94bc7585 | 2249 | _writeCommand(0x13); // Char mode, DC/DC off |
wim | 33:900a94bc7585 | 2250 | break; |
wim | 33:900a94bc7585 | 2251 | |
wim | 36:9f5f86dfd44a | 2252 | case KS0073: |
wim | 33:900a94bc7585 | 2253 | case KS0078: |
wim | 32:59c4b8f648d4 | 2254 | case SSD1803_3V3 : |
wim | 32:59c4b8f648d4 | 2255 | // case SSD1803_5V : |
wim | 33:900a94bc7585 | 2256 | _writeCommand(0x20 | _function_1); // Select Ext Instr Set |
wim | 33:900a94bc7585 | 2257 | _writeCommand(0x03); // Power Down |
wim | 32:59c4b8f648d4 | 2258 | _writeCommand(0x20 | _function); // Select Std Instr Set |
wim | 32:59c4b8f648d4 | 2259 | break; |
wim | 32:59c4b8f648d4 | 2260 | |
wim | 32:59c4b8f648d4 | 2261 | default: |
wim | 32:59c4b8f648d4 | 2262 | //Unsupported feature for other controllers |
wim | 32:59c4b8f648d4 | 2263 | break; |
wim | 32:59c4b8f648d4 | 2264 | } // end switch |
wim | 32:59c4b8f648d4 | 2265 | } |
wim | 33:900a94bc7585 | 2266 | } // end setPower() |
wim | 39:e9c2319de9c5 | 2267 | #endif |
wim | 39:e9c2319de9c5 | 2268 | |
wim | 39:e9c2319de9c5 | 2269 | #if(LCD_ORIENT == 1) |
wim | 33:900a94bc7585 | 2270 | /** Set Orient |
wim | 33:900a94bc7585 | 2271 | * setOrient method is supported by some compatible devices (eg SSD1803, US2066) that have top/bottom view modes |
wim | 33:900a94bc7585 | 2272 | * |
wim | 33:900a94bc7585 | 2273 | * @param LCDOrient orient Orientation |
wim | 33:900a94bc7585 | 2274 | * @return none |
wim | 33:900a94bc7585 | 2275 | */ |
wim | 33:900a94bc7585 | 2276 | void TextLCD_Base::setOrient(LCDOrient orient){ |
wim | 33:900a94bc7585 | 2277 | |
wim | 33:900a94bc7585 | 2278 | switch (orient) { |
wim | 33:900a94bc7585 | 2279 | |
wim | 33:900a94bc7585 | 2280 | case Top: |
wim | 33:900a94bc7585 | 2281 | switch (_ctrl) { |
wim | 34:e5a0dcb43ecc | 2282 | case PCF2103_3V3: |
wim | 34:e5a0dcb43ecc | 2283 | case PCF2116_3V3: |
wim | 34:e5a0dcb43ecc | 2284 | case PCF2116_5V: |
wim | 34:e5a0dcb43ecc | 2285 | _writeCommand(0x20 | _function | 0x01); // Set function, Select Instr Set = 1 |
wim | 34:e5a0dcb43ecc | 2286 | _writeCommand(0x05); // Display Conf Set 0000 0, 1, P=0, Q=1 (Instr. Set 1) |
wim | 34:e5a0dcb43ecc | 2287 | _writeCommand(0x20 | _function); // Set function, Select Instr Set = 0 |
wim | 34:e5a0dcb43ecc | 2288 | break; |
wim | 39:e9c2319de9c5 | 2289 | |
wim | 39:e9c2319de9c5 | 2290 | case PCF2119_3V3: |
wim | 39:e9c2319de9c5 | 2291 | case PCF2119R_3V3: |
wim | 39:e9c2319de9c5 | 2292 | _writeCommand(0x20 | _function | 0x01); // Set function, Select Instr Set = 1 |
wim | 39:e9c2319de9c5 | 2293 | _writeCommand(0x07); // Display Conf Set 0000 0, 1, P=1, Q=1 (Instr. Set 1) |
wim | 39:e9c2319de9c5 | 2294 | _writeCommand(0x20 | _function); // Set function, Select Instr Set = 0 |
wim | 39:e9c2319de9c5 | 2295 | break; |
wim | 34:e5a0dcb43ecc | 2296 | |
wim | 33:900a94bc7585 | 2297 | case SSD1803_3V3 : |
wim | 33:900a94bc7585 | 2298 | // case SSD1803_5V : |
wim | 33:900a94bc7585 | 2299 | case US2066_3V3 : |
wim | 33:900a94bc7585 | 2300 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV |
wim | 33:900a94bc7585 | 2301 | // Select Extended Instruction Set |
wim | 33:900a94bc7585 | 2302 | // _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 | 2303 | _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 | 2304 | |
wim | 33:900a94bc7585 | 2305 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
wim | 33:900a94bc7585 | 2306 | // Select Std Instr set, Select IS=0 |
wim | 33:900a94bc7585 | 2307 | break; |
wim | 36:9f5f86dfd44a | 2308 | |
wim | 36:9f5f86dfd44a | 2309 | case ST7070: |
wim | 36:9f5f86dfd44a | 2310 | _writeCommand(0x20 | _function | 0x04); // Set function, 0 0 1 DL, N, EXT=1, x, x (Select Instr Set = 1) |
wim | 36:9f5f86dfd44a | 2311 | |
wim | 36:9f5f86dfd44a | 2312 | _writeCommand(0x40 | 0x00); // COM/SEG directions 0 1 0 0 C1, C2, S1, S2 (Instr Set 1) |
wim | 36:9f5f86dfd44a | 2313 | // C1=1: Com1-8 -> Com8-1; C2=1: Com9-16 -> Com16-9 |
wim | 36:9f5f86dfd44a | 2314 | // S1=1: Seg1-40 -> Seg40-1; S2=1: Seg41-80 -> Seg80-41 |
wim | 36:9f5f86dfd44a | 2315 | wait_ms(5); // Wait to ensure completion or ST7070 fails to set Top/Bottom after reset.. |
wim | 36:9f5f86dfd44a | 2316 | |
wim | 36:9f5f86dfd44a | 2317 | _writeCommand(0x20 | _function); // Set function, EXT=0 (Select Instr Set = 0) |
wim | 36:9f5f86dfd44a | 2318 | |
wim | 36:9f5f86dfd44a | 2319 | break; // case ST7070 Controller |
wim | 33:900a94bc7585 | 2320 | |
wim | 33:900a94bc7585 | 2321 | default: |
wim | 33:900a94bc7585 | 2322 | //Unsupported feature for other controllers |
wim | 33:900a94bc7585 | 2323 | break; |
wim | 33:900a94bc7585 | 2324 | |
wim | 33:900a94bc7585 | 2325 | } // end switch _ctrl |
wim | 33:900a94bc7585 | 2326 | break; // end Top |
wim | 33:900a94bc7585 | 2327 | |
wim | 33:900a94bc7585 | 2328 | case Bottom: |
wim | 33:900a94bc7585 | 2329 | switch (_ctrl) { |
wim | 34:e5a0dcb43ecc | 2330 | case PCF2103_3V3: |
wim | 34:e5a0dcb43ecc | 2331 | case PCF2116_3V3: |
wim | 34:e5a0dcb43ecc | 2332 | case PCF2116_5V: |
wim | 34:e5a0dcb43ecc | 2333 | _writeCommand(0x20 | _function | 0x01); // Set function, Select Instr Set = 1 |
wim | 34:e5a0dcb43ecc | 2334 | _writeCommand(0x06); // Display Conf Set 0000 0, 1, P=1, Q=0 (Instr. Set 1) |
wim | 34:e5a0dcb43ecc | 2335 | _writeCommand(0x20 | _function); // Set function, Select Instr Set = 0 |
wim | 34:e5a0dcb43ecc | 2336 | break; |
wim | 39:e9c2319de9c5 | 2337 | |
wim | 39:e9c2319de9c5 | 2338 | case PCF2119_3V3: |
wim | 39:e9c2319de9c5 | 2339 | case PCF2119R_3V3 : |
wim | 39:e9c2319de9c5 | 2340 | _writeCommand(0x20 | _function | 0x01); // Set function, Select Instr Set = 1 |
wim | 39:e9c2319de9c5 | 2341 | _writeCommand(0x04); // Display Conf Set 0000 0, 1, P=0, Q=0 (Instr. Set 1) |
wim | 39:e9c2319de9c5 | 2342 | _writeCommand(0x20 | _function); // Set function, Select Instr Set = 0 |
wim | 39:e9c2319de9c5 | 2343 | break; |
wim | 34:e5a0dcb43ecc | 2344 | |
wim | 33:900a94bc7585 | 2345 | case SSD1803_3V3 : |
wim | 33:900a94bc7585 | 2346 | // case SSD1803_5V : |
wim | 33:900a94bc7585 | 2347 | case US2066_3V3 : |
wim | 33:900a94bc7585 | 2348 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV |
wim | 33:900a94bc7585 | 2349 | // Select Extended Instruction Set |
wim | 33:900a94bc7585 | 2350 | _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 | 2351 | // _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 | 2352 | |
wim | 33:900a94bc7585 | 2353 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
wim | 33:900a94bc7585 | 2354 | // Select Std Instr set, Select IS=0 |
wim | 33:900a94bc7585 | 2355 | break; |
wim | 36:9f5f86dfd44a | 2356 | |
wim | 36:9f5f86dfd44a | 2357 | case ST7070: |
wim | 36:9f5f86dfd44a | 2358 | //Note: this does not result in correct top/bottom view. |
wim | 36:9f5f86dfd44a | 2359 | //The left and right half of each row are reversed and the addressing of both rows is also incorrect: |
wim | 36:9f5f86dfd44a | 2360 | //Top/bottomline when orientation is flipped: |
wim | 36:9f5f86dfd44a | 2361 | // 0x48...0x4F 0x40...0x47 |
wim | 36:9f5f86dfd44a | 2362 | // 0x08...0x0F 0x00...0x07 |
wim | 36:9f5f86dfd44a | 2363 | _writeCommand(0x20 | _function | 0x04); // Set function, 0 0 1 DL N EXT=1 x x (Select Instr Set = 1) |
wim | 36:9f5f86dfd44a | 2364 | |
wim | 36:9f5f86dfd44a | 2365 | _writeCommand(0x40 | 0x0F); // COM/SEG directions 0 1 0 0 C1, C2, S1, S2 (Instr Set 1) |
wim | 36:9f5f86dfd44a | 2366 | // C1=1: Com1-8 -> Com8-1; C2=1: Com9-16 -> Com16-9 |
wim | 36:9f5f86dfd44a | 2367 | // S1=1: Seg1-40 -> Seg40-1; S2=1: Seg41-80 -> Seg80-41 |
wim | 36:9f5f86dfd44a | 2368 | wait_ms(5); // Wait to ensure completion or ST7070 fails to set Top/Bottom after reset.. |
wim | 36:9f5f86dfd44a | 2369 | |
wim | 36:9f5f86dfd44a | 2370 | _writeCommand(0x20 | _function); // Set function, EXT=0 (Select Instr Set = 0) |
wim | 36:9f5f86dfd44a | 2371 | |
wim | 36:9f5f86dfd44a | 2372 | break; // case ST7070 Controller |
wim | 33:900a94bc7585 | 2373 | |
wim | 33:900a94bc7585 | 2374 | default: |
wim | 33:900a94bc7585 | 2375 | //Unsupported feature for other controllers |
wim | 33:900a94bc7585 | 2376 | break; |
wim | 33:900a94bc7585 | 2377 | |
wim | 33:900a94bc7585 | 2378 | } // end switch _ctrl |
wim | 33:900a94bc7585 | 2379 | |
wim | 33:900a94bc7585 | 2380 | break; // end Bottom |
wim | 33:900a94bc7585 | 2381 | } // end switch orient |
wim | 33:900a94bc7585 | 2382 | } // end setOrient() |
wim | 39:e9c2319de9c5 | 2383 | #endif |
wim | 39:e9c2319de9c5 | 2384 | |
wim | 39:e9c2319de9c5 | 2385 | #if(LCD_BIGFONT == 1) |
wim | 34:e5a0dcb43ecc | 2386 | /** Set Big Font |
wim | 34:e5a0dcb43ecc | 2387 | * setBigFont method is supported by some compatible devices (eg SSD1803, US2066) |
wim | 34:e5a0dcb43ecc | 2388 | * |
wim | 34:e5a0dcb43ecc | 2389 | * @param lines The selected Big Font lines (None, TopLine, CenterLine, BottomLine, TopBottomLine) |
wim | 34:e5a0dcb43ecc | 2390 | * Double height characters can be shown on lines 1+2, 2+3, 3+4 or 1+2 and 3+4 |
wim | 34:e5a0dcb43ecc | 2391 | * Valid double height lines depend on the LCDs number of rows. |
wim | 34:e5a0dcb43ecc | 2392 | */ |
wim | 34:e5a0dcb43ecc | 2393 | void TextLCD_Base::setBigFont(LCDBigFont lines) { |
wim | 34:e5a0dcb43ecc | 2394 | |
wim | 34:e5a0dcb43ecc | 2395 | switch (lines) { |
wim | 34:e5a0dcb43ecc | 2396 | case None: |
wim | 34:e5a0dcb43ecc | 2397 | switch (_ctrl) { |
wim | 34:e5a0dcb43ecc | 2398 | case SSD1803_3V3 : |
wim | 34:e5a0dcb43ecc | 2399 | case US2066_3V3 : |
wim | 34:e5a0dcb43ecc | 2400 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV |
wim | 34:e5a0dcb43ecc | 2401 | // Select Extended Instruction Set |
wim | 34:e5a0dcb43ecc | 2402 | _writeCommand(0x1C); // Double Height, 0 0 0 1 UD2=1, UD1=1, X, DH'=0 (Ext Instr Set) |
wim | 34:e5a0dcb43ecc | 2403 | // Default |
wim | 34:e5a0dcb43ecc | 2404 | _function = _function & ~0x04; // Set function, 0 0 1 DL N DH=0 RE(0) IS=0 Select Instruction Set 0 |
wim | 34:e5a0dcb43ecc | 2405 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
wim | 34:e5a0dcb43ecc | 2406 | // Select Std Instr set, Select IS=0 |
wim | 34:e5a0dcb43ecc | 2407 | break; // end US2066 |
wim | 34:e5a0dcb43ecc | 2408 | |
wim | 34:e5a0dcb43ecc | 2409 | default: |
wim | 34:e5a0dcb43ecc | 2410 | break; // end default |
wim | 34:e5a0dcb43ecc | 2411 | } // end switch _ctrl |
wim | 34:e5a0dcb43ecc | 2412 | break; // end None |
wim | 34:e5a0dcb43ecc | 2413 | |
wim | 34:e5a0dcb43ecc | 2414 | case TopLine: |
wim | 34:e5a0dcb43ecc | 2415 | if (_nr_rows < 2) return; //Sanity check |
wim | 34:e5a0dcb43ecc | 2416 | |
wim | 34:e5a0dcb43ecc | 2417 | switch (_ctrl) { |
wim | 34:e5a0dcb43ecc | 2418 | case SSD1803_3V3 : |
wim | 34:e5a0dcb43ecc | 2419 | case US2066_3V3 : |
wim | 34:e5a0dcb43ecc | 2420 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV |
wim | 34:e5a0dcb43ecc | 2421 | // Select Extended Instruction Set |
wim | 34:e5a0dcb43ecc | 2422 | _writeCommand(0x1C); // Double Height, 0 0 0 1 UD2=1, UD1=1, X, DH'=0 (Ext Instr Set) |
wim | 34:e5a0dcb43ecc | 2423 | // Default |
wim | 34:e5a0dcb43ecc | 2424 | _function = _function | 0x04; // Set function, 0 0 1 DL N DH=1 RE(0) IS=0 Select Instruction Set 0 |
wim | 34:e5a0dcb43ecc | 2425 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
wim | 34:e5a0dcb43ecc | 2426 | // Select Std Instr set, Select IS=0 |
wim | 34:e5a0dcb43ecc | 2427 | break; // end US2066, SSD1803 |
wim | 34:e5a0dcb43ecc | 2428 | |
wim | 34:e5a0dcb43ecc | 2429 | default: |
wim | 34:e5a0dcb43ecc | 2430 | break; // end default |
wim | 34:e5a0dcb43ecc | 2431 | } // end switch _ctrl |
wim | 34:e5a0dcb43ecc | 2432 | break; // end TopLine |
wim | 34:e5a0dcb43ecc | 2433 | |
wim | 34:e5a0dcb43ecc | 2434 | case CenterLine: |
wim | 34:e5a0dcb43ecc | 2435 | if (_nr_rows != 4) return; //Sanity check |
wim | 34:e5a0dcb43ecc | 2436 | |
wim | 34:e5a0dcb43ecc | 2437 | switch (_ctrl) { |
wim | 34:e5a0dcb43ecc | 2438 | case SSD1803_3V3 : |
wim | 34:e5a0dcb43ecc | 2439 | case US2066_3V3 : |
wim | 34:e5a0dcb43ecc | 2440 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV |
wim | 34:e5a0dcb43ecc | 2441 | // Select Extended Instruction Set |
wim | 34:e5a0dcb43ecc | 2442 | _writeCommand(0x14); // Double Height, 0 0 0 1 UD2=0, UD1=1, X, DH'=0 (Ext Instr Set) |
wim | 34:e5a0dcb43ecc | 2443 | // Default |
wim | 34:e5a0dcb43ecc | 2444 | _function = _function | 0x04; // Set function, 0 0 1 DL N DH=1 RE(0) IS=0 Select Instruction Set 0 |
wim | 34:e5a0dcb43ecc | 2445 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
wim | 34:e5a0dcb43ecc | 2446 | // Select Std Instr set, Select IS=0 |
wim | 34:e5a0dcb43ecc | 2447 | break; // end US2066, SSD1803 |
wim | 34:e5a0dcb43ecc | 2448 | |
wim | 34:e5a0dcb43ecc | 2449 | default: |
wim | 34:e5a0dcb43ecc | 2450 | break; // end default |
wim | 34:e5a0dcb43ecc | 2451 | } // end switch _ctrl |
wim | 34:e5a0dcb43ecc | 2452 | break; // end CenterLine |
wim | 34:e5a0dcb43ecc | 2453 | |
wim | 34:e5a0dcb43ecc | 2454 | case BottomLine: |
wim | 34:e5a0dcb43ecc | 2455 | if (_nr_rows < 3) return; //Sanity check |
wim | 34:e5a0dcb43ecc | 2456 | |
wim | 34:e5a0dcb43ecc | 2457 | switch (_ctrl) { |
wim | 34:e5a0dcb43ecc | 2458 | case SSD1803_3V3 : |
wim | 34:e5a0dcb43ecc | 2459 | case US2066_3V3 : |
wim | 34:e5a0dcb43ecc | 2460 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV |
wim | 34:e5a0dcb43ecc | 2461 | // Select Extended Instruction Set |
wim | 34:e5a0dcb43ecc | 2462 | if (_nr_rows == 3) { |
wim | 34:e5a0dcb43ecc | 2463 | _writeCommand(0x14); // Double Height, 0 0 0 1 UD2=0, UD1=1, X, DH'=0 (Ext Instr Set) |
wim | 34:e5a0dcb43ecc | 2464 | } |
wim | 34:e5a0dcb43ecc | 2465 | else { |
wim | 34:e5a0dcb43ecc | 2466 | _writeCommand(0x10); // Double Height, 0 0 0 1 UD2=0, UD1=0, X, DH'=0 (Ext Instr Set) |
wim | 34:e5a0dcb43ecc | 2467 | } |
wim | 34:e5a0dcb43ecc | 2468 | _function = _function | 0x04; // Set function, 0 0 1 DL N DH=1 RE(0) IS=0 Select Instruction Set 0 |
wim | 34:e5a0dcb43ecc | 2469 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
wim | 34:e5a0dcb43ecc | 2470 | // Select Std Instr set, Select IS=0 |
wim | 34:e5a0dcb43ecc | 2471 | break; // end US2066, SSD1803 |
wim | 34:e5a0dcb43ecc | 2472 | |
wim | 34:e5a0dcb43ecc | 2473 | default: |
wim | 34:e5a0dcb43ecc | 2474 | break; // end default |
wim | 34:e5a0dcb43ecc | 2475 | } // end switch _ctrl |
wim | 34:e5a0dcb43ecc | 2476 | break; // end BottomLine |
wim | 34:e5a0dcb43ecc | 2477 | |
wim | 34:e5a0dcb43ecc | 2478 | case TopBottomLine: |
wim | 34:e5a0dcb43ecc | 2479 | if (_nr_rows != 4) return; //Sanity check |
wim | 34:e5a0dcb43ecc | 2480 | |
wim | 34:e5a0dcb43ecc | 2481 | switch (_ctrl) { |
wim | 34:e5a0dcb43ecc | 2482 | case SSD1803_3V3 : |
wim | 34:e5a0dcb43ecc | 2483 | case US2066_3V3 : |
wim | 34:e5a0dcb43ecc | 2484 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV |
wim | 34:e5a0dcb43ecc | 2485 | // Select Extended Instruction Set |
wim | 34:e5a0dcb43ecc | 2486 | _writeCommand(0x18); // Double Height, 0 0 0 1 UD2=1, UD1=0, X, DH'=0 (Ext Instr Set) |
wim | 34:e5a0dcb43ecc | 2487 | // Default |
wim | 34:e5a0dcb43ecc | 2488 | _function = _function | 0x04; // Set function, 0 0 1 DL N DH=1 RE(0) IS=0 Select Instruction Set 0 |
wim | 34:e5a0dcb43ecc | 2489 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
wim | 34:e5a0dcb43ecc | 2490 | // Select Std Instr set, Select IS=0 |
wim | 34:e5a0dcb43ecc | 2491 | break; // end US2066, SSD1803 |
wim | 34:e5a0dcb43ecc | 2492 | |
wim | 34:e5a0dcb43ecc | 2493 | default: |
wim | 34:e5a0dcb43ecc | 2494 | break; // end default |
wim | 34:e5a0dcb43ecc | 2495 | } // end switch _ctrl |
wim | 34:e5a0dcb43ecc | 2496 | break; // end TopBottomLine |
wim | 34:e5a0dcb43ecc | 2497 | |
wim | 34:e5a0dcb43ecc | 2498 | } // end switch lines |
wim | 34:e5a0dcb43ecc | 2499 | |
wim | 34:e5a0dcb43ecc | 2500 | } // end setBigFont() |
wim | 39:e9c2319de9c5 | 2501 | #endif |
wim | 39:e9c2319de9c5 | 2502 | |
wim | 39:e9c2319de9c5 | 2503 | #if(LCD_ICON==1) |
wim | 36:9f5f86dfd44a | 2504 | /** Set Icons |
wim | 36:9f5f86dfd44a | 2505 | * |
wim | 36:9f5f86dfd44a | 2506 | * @param unsigned char idx The Index of the icon pattern (0..15) for KS0073 and similar controllers |
wim | 36:9f5f86dfd44a | 2507 | * and Index (0..31) for PCF2103 and similar controllers |
wim | 36:9f5f86dfd44a | 2508 | * @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 | 2509 | * The bitpattern for the PCF2103 icons is 5 lsb (UDC 0..2) and 5 lsb for blinkmode (UDC 4..6) |
wim | 36:9f5f86dfd44a | 2510 | */ |
wim | 36:9f5f86dfd44a | 2511 | void TextLCD_Base::setIcon(unsigned char idx, unsigned char data) { |
wim | 36:9f5f86dfd44a | 2512 | // Blinking icons are enabled when a specific controlbit (BE) is set. |
wim | 36:9f5f86dfd44a | 2513 | // The blinking pixels in the icons can be controlled by setting additional bits in the icon bitpattern. |
wim | 36:9f5f86dfd44a | 2514 | // Icons are defined by a byte bitpattern. The P0..P5 form the Icon pattern for KS0073, and P0..P4 for KS0078 |
wim | 36:9f5f86dfd44a | 2515 | // P7 P6 P5 P4 P3 P2 P1 P0 |
wim | 36:9f5f86dfd44a | 2516 | // 0 B1 B0 0 0 1 1 1 0 |
wim | 36:9f5f86dfd44a | 2517 | // 1 B1 B0 1 1 0 0 0 1 |
wim | 36:9f5f86dfd44a | 2518 | // ............. |
wim | 36:9f5f86dfd44a | 2519 | // 15 B1 B0 1 1 0 0 0 1 |
wim | 36:9f5f86dfd44a | 2520 | // |
wim | 36:9f5f86dfd44a | 2521 | // Bit 6 and Bit 7 in the pattern will control the blinking mode when Blink is enabled through BE. |
wim | 36:9f5f86dfd44a | 2522 | // B1 B0 Mode |
wim | 36:9f5f86dfd44a | 2523 | // 0 0 No Blinking for this icon row |
wim | 36:9f5f86dfd44a | 2524 | // 0 1 Enabled pixels in P5 will blink |
wim | 36:9f5f86dfd44a | 2525 | // 1 x Enabled pixels in P0..P5 will blink |
wim | 36:9f5f86dfd44a | 2526 | // |
wim | 36:9f5f86dfd44a | 2527 | // Note: the PCF2103 and PCF2113 use UDCs to set Icons |
wim | 36:9f5f86dfd44a | 2528 | // 3 x 8 rows x 5 bits = 120 bits Icons for Normal pattern (UDC 0..2) and |
wim | 36:9f5f86dfd44a | 2529 | // 3 x 8 rows x 5 bits = 120 bits Icons for Blink pattern (UDC 4..6) |
wim | 36:9f5f86dfd44a | 2530 | // Note: the PCF2119 uses UDCs to set Icons |
wim | 36:9f5f86dfd44a | 2531 | // 4 x 8 rows x 5 bits = 160 bits Icons for Normal pattern (UDC 0..3) and |
wim | 36:9f5f86dfd44a | 2532 | // 4 x 8 rows x 5 bits = 160 bits Icons for Blink pattern (UDC 4..7) |
wim | 36:9f5f86dfd44a | 2533 | |
wim | 36:9f5f86dfd44a | 2534 | switch (_ctrl) { |
wim | 36:9f5f86dfd44a | 2535 | case KS0073: |
wim | 36:9f5f86dfd44a | 2536 | case KS0078: |
wim | 36:9f5f86dfd44a | 2537 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 DL N RE(1) BE LP |
wim | 36:9f5f86dfd44a | 2538 | // Select Extended Instruction Set |
wim | 36:9f5f86dfd44a | 2539 | _writeCommand(0x40 | (idx & 0x0F)); // Set Icon Address, mask Address to valid range (Ext Instr Set) |
wim | 36:9f5f86dfd44a | 2540 | |
wim | 36:9f5f86dfd44a | 2541 | _writeData(data); // Set Icon pattern (Ext Instr Set) |
wim | 36:9f5f86dfd44a | 2542 | |
wim | 36:9f5f86dfd44a | 2543 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N RE(0) DH REV Select Instruction Set 0 |
wim | 36:9f5f86dfd44a | 2544 | // Select Std Instr set, Select IS=0 |
wim | 36:9f5f86dfd44a | 2545 | break; // end KS0073, KS0078 |
wim | 36:9f5f86dfd44a | 2546 | |
wim | 36:9f5f86dfd44a | 2547 | case ST7032_3V3: |
wim | 36:9f5f86dfd44a | 2548 | case ST7032_5V: |
wim | 36:9f5f86dfd44a | 2549 | _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N F 0 IS=1 Select Instr Set = 1 |
wim | 36:9f5f86dfd44a | 2550 | _writeCommand(0x40 | (idx & 0x0F)); // Set Icon Address, mask Address to valid range (Instr Set 1) |
wim | 36:9f5f86dfd44a | 2551 | |
wim | 36:9f5f86dfd44a | 2552 | _writeData(data & 0x1F); // Set Icon pattern, no blink support (Instr Set 1) |
wim | 36:9f5f86dfd44a | 2553 | |
wim | 36:9f5f86dfd44a | 2554 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N RE(0) DH REV Select Instruction Set 0 |
wim | 36:9f5f86dfd44a | 2555 | // Select Std Instr set, Select IS=0 |
wim | 36:9f5f86dfd44a | 2556 | break; // end ST7032 |
wim | 36:9f5f86dfd44a | 2557 | |
wim | 36:9f5f86dfd44a | 2558 | case ST7036_3V3: |
wim | 36:9f5f86dfd44a | 2559 | case ST7036_5V: |
wim | 36:9f5f86dfd44a | 2560 | _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N DH IS2,IS1 = 01 (Select Instr Set = 1) |
wim | 36:9f5f86dfd44a | 2561 | _writeCommand(0x40 | (idx & 0x0F)); // Set Icon Address, mask Address to valid range (Instr Set 1) |
wim | 36:9f5f86dfd44a | 2562 | |
wim | 36:9f5f86dfd44a | 2563 | _writeData(data & 0x1F); // Set Icon pattern, no blink support (Instr Set 1) |
wim | 36:9f5f86dfd44a | 2564 | |
wim | 36:9f5f86dfd44a | 2565 | _writeCommand(0x20 | _function); // Set function, IS2,IS1 = 00 (Select Instr Set = 0) |
wim | 36:9f5f86dfd44a | 2566 | // Select Std Instr set, Select IS=0 |
wim | 36:9f5f86dfd44a | 2567 | break; // end ST7036 |
wim | 36:9f5f86dfd44a | 2568 | |
wim | 36:9f5f86dfd44a | 2569 | case SSD1803_3V3: |
wim | 36:9f5f86dfd44a | 2570 | // case SSD1803_5V: |
wim | 36:9f5f86dfd44a | 2571 | _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N DH RE(0) IS |
wim | 36:9f5f86dfd44a | 2572 | // Select Instruction Set 1 |
wim | 36:9f5f86dfd44a | 2573 | _writeCommand(0x40 | (idx & 0x0F)); // Set Icon Address, mask Address to valid range (Instr Set = 1) |
wim | 36:9f5f86dfd44a | 2574 | _writeData(data); // Set Icon pattern (Instr Set = 1) |
wim | 36:9f5f86dfd44a | 2575 | |
wim | 36:9f5f86dfd44a | 2576 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS |
wim | 36:9f5f86dfd44a | 2577 | // Select IS=0 |
wim | 36:9f5f86dfd44a | 2578 | break; // end SSD1803 |
wim | 36:9f5f86dfd44a | 2579 | |
wim | 36:9f5f86dfd44a | 2580 | case PCF2103_3V3: |
wim | 36:9f5f86dfd44a | 2581 | case PCF2113_3V3: |
wim | 39:e9c2319de9c5 | 2582 | case PCF2119_3V3: |
wim | 39:e9c2319de9c5 | 2583 | case PCF2119R_3V3: |
wim | 36:9f5f86dfd44a | 2584 | // Store UDC/Icon pattern for PCF2103 and PCF2113: |
wim | 36:9f5f86dfd44a | 2585 | // 3 x 8 rows x 5 bits = 120 bits for Normal pattern (UDC 0..2) and |
wim | 36:9f5f86dfd44a | 2586 | // 3 x 8 rows x 5 bits = 120 bits for Blink pattern (UDC 4..6) |
wim | 36:9f5f86dfd44a | 2587 | // Store UDC/Icon pattern for PCF2119: |
wim | 36:9f5f86dfd44a | 2588 | // 4 x 8 rows x 5 bits = 160 bits for Normal pattern (UDC 0..3) and |
wim | 36:9f5f86dfd44a | 2589 | // 4 x 8 rows x 5 bits = 160 bits for Blink pattern (UDC 4..7) |
wim | 36:9f5f86dfd44a | 2590 | _writeCommand(0x40 | (idx & 0x3F)); //Set CG-RAM address, 8 sequential locations needed per UDC |
wim | 36:9f5f86dfd44a | 2591 | _writeData(data); // Set Icon pattern (Instr Set = 1) |
wim | 36:9f5f86dfd44a | 2592 | break; // case PCF2103_3V3 Controller |
wim | 36:9f5f86dfd44a | 2593 | |
wim | 36:9f5f86dfd44a | 2594 | default: |
wim | 36:9f5f86dfd44a | 2595 | break; // end default |
wim | 36:9f5f86dfd44a | 2596 | } // end switch _ctrl |
wim | 36:9f5f86dfd44a | 2597 | |
wim | 36:9f5f86dfd44a | 2598 | //Select DD RAM again for current LCD controller and restore the addresspointer |
wim | 36:9f5f86dfd44a | 2599 | int addr = getAddress(_column, _row); |
wim | 36:9f5f86dfd44a | 2600 | _writeCommand(0x80 | addr); |
wim | 36:9f5f86dfd44a | 2601 | |
wim | 36:9f5f86dfd44a | 2602 | } // end setIcon() |
wim | 36:9f5f86dfd44a | 2603 | |
wim | 36:9f5f86dfd44a | 2604 | /** Clear Icons |
wim | 36:9f5f86dfd44a | 2605 | * |
wim | 36:9f5f86dfd44a | 2606 | * @param none |
wim | 36:9f5f86dfd44a | 2607 | * @return none |
wim | 36:9f5f86dfd44a | 2608 | */ |
wim | 36:9f5f86dfd44a | 2609 | //@TODO Add support for 40x4 dual controller |
wim | 36:9f5f86dfd44a | 2610 | void TextLCD_Base::clrIcon() { |
wim | 36:9f5f86dfd44a | 2611 | // Icons are defined by a byte bitpattern. The P0..P5 form the Icon pattern for KS0073, and P0..P4 for KS0078 |
wim | 36:9f5f86dfd44a | 2612 | // P7 P6 P5 P4 P3 P2 P1 P0 |
wim | 36:9f5f86dfd44a | 2613 | // 0 B1 B0 0 0 0 0 0 0 |
wim | 36:9f5f86dfd44a | 2614 | // 1 B1 B0 0 0 0 0 0 0 |
wim | 36:9f5f86dfd44a | 2615 | // ............. |
wim | 36:9f5f86dfd44a | 2616 | // 15 B1 B0 0 0 0 0 0 0 |
wim | 36:9f5f86dfd44a | 2617 | // |
wim | 36:9f5f86dfd44a | 2618 | // Bit 6 and Bit 7 in the pattern will control the blinking mode when Blink is enabled through BE. |
wim | 36:9f5f86dfd44a | 2619 | // B1 B0 Mode |
wim | 36:9f5f86dfd44a | 2620 | // 0 0 No Blinking for this icon row |
wim | 36:9f5f86dfd44a | 2621 | // 0 1 Enabled pixels in P5 will blink |
wim | 36:9f5f86dfd44a | 2622 | // 1 x Enabled pixels in P0..P5 will blink |
wim | 36:9f5f86dfd44a | 2623 | // |
wim | 36:9f5f86dfd44a | 2624 | // Note: the PCF2103 and PCF2113 use UDCs to set Icons |
wim | 36:9f5f86dfd44a | 2625 | // 3 x 8 rows x 5 bits = 120 bits Icons for Normal pattern (UDC 0..2) and |
wim | 36:9f5f86dfd44a | 2626 | // 3 x 8 rows x 5 bits = 120 bits Icons for Blink pattern (UDC 4..6) |
wim | 36:9f5f86dfd44a | 2627 | // Note: the PCF2119 uses UDCs to set Icons |
wim | 36:9f5f86dfd44a | 2628 | // 4 x 8 rows x 5 bits = 160 bits Icons for Normal pattern (UDC 0..3) and |
wim | 36:9f5f86dfd44a | 2629 | // 4 x 8 rows x 5 bits = 160 bits Icons for Blink pattern (UDC 4..7) |
wim | 36:9f5f86dfd44a | 2630 | int idx; |
wim | 36:9f5f86dfd44a | 2631 | |
wim | 36:9f5f86dfd44a | 2632 | switch (_ctrl) { |
wim | 36:9f5f86dfd44a | 2633 | case KS0073: |
wim | 36:9f5f86dfd44a | 2634 | case KS0078: |
wim | 36:9f5f86dfd44a | 2635 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 DL N RE(1) BE LP |
wim | 36:9f5f86dfd44a | 2636 | // Select Extended Instruction Set |
wim | 36:9f5f86dfd44a | 2637 | for (idx=0; idx<16; idx++) { |
wim | 36:9f5f86dfd44a | 2638 | _writeCommand(0x40 | idx); // Set Icon Address, mask Address to valid range (Ext Instr Set) |
wim | 36:9f5f86dfd44a | 2639 | _writeData(0x00); // Clear Icon pattern (Ext Instr Set) |
wim | 36:9f5f86dfd44a | 2640 | } |
wim | 36:9f5f86dfd44a | 2641 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N RE(0) DH REV Select Std Instruction Set |
wim | 36:9f5f86dfd44a | 2642 | // Select Std Instr set |
wim | 36:9f5f86dfd44a | 2643 | break; // end KS0073, KS0078 |
wim | 36:9f5f86dfd44a | 2644 | |
wim | 36:9f5f86dfd44a | 2645 | case ST7032_3V3: |
wim | 36:9f5f86dfd44a | 2646 | case ST7032_5V: |
wim | 36:9f5f86dfd44a | 2647 | _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N F 0 IS=1 Select Instr Set = 1 |
wim | 36:9f5f86dfd44a | 2648 | |
wim | 36:9f5f86dfd44a | 2649 | for (idx=0; idx<16; idx++) { |
wim | 36:9f5f86dfd44a | 2650 | _writeCommand(0x40 | idx); // Set Icon Address, mask Address to valid range (Instr Set 1) |
wim | 36:9f5f86dfd44a | 2651 | _writeData(0x00); // Clear Icon pattern (Instr Set 1) |
wim | 36:9f5f86dfd44a | 2652 | } |
wim | 36:9f5f86dfd44a | 2653 | |
wim | 36:9f5f86dfd44a | 2654 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N RE(0) DH REV Select Instruction Set 0 |
wim | 36:9f5f86dfd44a | 2655 | // Select Std Instr set, Select IS=0 |
wim | 36:9f5f86dfd44a | 2656 | break; // end ST7032 |
wim | 36:9f5f86dfd44a | 2657 | |
wim | 36:9f5f86dfd44a | 2658 | case ST7036_3V3: |
wim | 36:9f5f86dfd44a | 2659 | case ST7036_5V: |
wim | 36:9f5f86dfd44a | 2660 | _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N DH IS2,IS1 = 01 (Select Instr Set = 1) |
wim | 36:9f5f86dfd44a | 2661 | |
wim | 36:9f5f86dfd44a | 2662 | for (idx=0; idx<16; idx++) { |
wim | 36:9f5f86dfd44a | 2663 | _writeCommand(0x40 | idx); // Set Icon Address, mask Address to valid range (Instr Set 1) |
wim | 36:9f5f86dfd44a | 2664 | _writeData(0x00); // Clear Icon pattern (Instr Set 1) |
wim | 36:9f5f86dfd44a | 2665 | } |
wim | 36:9f5f86dfd44a | 2666 | |
wim | 36:9f5f86dfd44a | 2667 | _writeCommand(0x20 | _function); // Set function, IS2,IS1 = 00 (Select Instr Set = 0) |
wim | 36:9f5f86dfd44a | 2668 | // Select Std Instr set, Select IS=0 |
wim | 36:9f5f86dfd44a | 2669 | break; // end ST7036 |
wim | 36:9f5f86dfd44a | 2670 | |
wim | 36:9f5f86dfd44a | 2671 | case SSD1803_3V3: |
wim | 36:9f5f86dfd44a | 2672 | // case SSD1803_5V: |
wim | 36:9f5f86dfd44a | 2673 | _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N DH RE(0) IS |
wim | 36:9f5f86dfd44a | 2674 | // Select Instruction Set 1 |
wim | 36:9f5f86dfd44a | 2675 | for (idx=0; idx<16; idx++) { |
wim | 36:9f5f86dfd44a | 2676 | _writeCommand(0x40 | idx); // Set Icon Address, mask Address to valid range (Ext Instr Set) |
wim | 36:9f5f86dfd44a | 2677 | _writeData(0x00); // Clear Icon pattern (Ext Instr Set) |
wim | 36:9f5f86dfd44a | 2678 | } |
wim | 36:9f5f86dfd44a | 2679 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS |
wim | 36:9f5f86dfd44a | 2680 | // Select IS=0 |
wim | 36:9f5f86dfd44a | 2681 | break; // end SSD1803 |
wim | 36:9f5f86dfd44a | 2682 | |
wim | 36:9f5f86dfd44a | 2683 | case PCF2103_3V3: |
wim | 36:9f5f86dfd44a | 2684 | case PCF2113_3V3: |
wim | 36:9f5f86dfd44a | 2685 | // PCF2103 and PCF2113 use part of the UDC RAM to control Icons |
wim | 36:9f5f86dfd44a | 2686 | // Select CG RAM |
wim | 36:9f5f86dfd44a | 2687 | |
wim | 36:9f5f86dfd44a | 2688 | _writeCommand(0x40 | (0 * 8)); //Set CG-RAM address, 8 sequential locations needed per UDC |
wim | 36:9f5f86dfd44a | 2689 | // Store UDC/Icon pattern: |
wim | 36:9f5f86dfd44a | 2690 | // 3 x 8 rows x 5 bits = 120 bits for Normal pattern (UDC 0..2) and |
wim | 36:9f5f86dfd44a | 2691 | for (int i=0; i<(3 * 8); i++) { |
wim | 36:9f5f86dfd44a | 2692 | // _writeData(0x1F); // All On |
wim | 36:9f5f86dfd44a | 2693 | _writeData(0x00); // All Off |
wim | 36:9f5f86dfd44a | 2694 | } |
wim | 36:9f5f86dfd44a | 2695 | |
wim | 36:9f5f86dfd44a | 2696 | _writeCommand(0x40 | (4 * 8)); //Set CG-RAM address, 8 sequential locations needed per UDC |
wim | 36:9f5f86dfd44a | 2697 | // 3 x 8 rows x 5 bits = 120 bits for Blink pattern (UDC 4..6) |
wim | 36:9f5f86dfd44a | 2698 | for (int i=0; i<(3 * 8); i++) { |
wim | 36:9f5f86dfd44a | 2699 | // _writeData(0x1F); // All On |
wim | 36:9f5f86dfd44a | 2700 | _writeData(0x00); // All Off |
wim | 36:9f5f86dfd44a | 2701 | } |
wim | 36:9f5f86dfd44a | 2702 | break; // case PCF2103_3V3 Controller |
wim | 36:9f5f86dfd44a | 2703 | |
wim | 39:e9c2319de9c5 | 2704 | case PCF2119_3V3: |
wim | 39:e9c2319de9c5 | 2705 | case PCF2119R_3V3: |
wim | 36:9f5f86dfd44a | 2706 | // PCF2119 uses part of the UDC RAM to control Icons |
wim | 36:9f5f86dfd44a | 2707 | // Select CG RAM |
wim | 36:9f5f86dfd44a | 2708 | |
wim | 36:9f5f86dfd44a | 2709 | _writeCommand(0x40 | (0 * 8)); //Set CG-RAM address, 8 sequential locations needed per UDC |
wim | 36:9f5f86dfd44a | 2710 | // Store UDC/Icon pattern: |
wim | 36:9f5f86dfd44a | 2711 | // 4 x 8 rows x 5 bits = 160 bits for Normal pattern (UDC 0..3) and |
wim | 36:9f5f86dfd44a | 2712 | for (int i=0; i<(4 * 8); i++) { |
wim | 36:9f5f86dfd44a | 2713 | // _writeData(0x1F); // All On |
wim | 36:9f5f86dfd44a | 2714 | _writeData(0x00); // All Off |
wim | 36:9f5f86dfd44a | 2715 | } |
wim | 36:9f5f86dfd44a | 2716 | |
wim | 36:9f5f86dfd44a | 2717 | _writeCommand(0x40 | (4 * 8)); //Set CG-RAM address, 8 sequential locations needed per UDC |
wim | 36:9f5f86dfd44a | 2718 | // 4 x 8 rows x 5 bits = 160 bits for Blink pattern (UDC 4..7) |
wim | 36:9f5f86dfd44a | 2719 | for (int i=0; i<(4 * 8); i++) { |
wim | 36:9f5f86dfd44a | 2720 | // _writeData(0x1F); // All On |
wim | 36:9f5f86dfd44a | 2721 | _writeData(0x00); // All Off |
wim | 36:9f5f86dfd44a | 2722 | } |
wim | 36:9f5f86dfd44a | 2723 | break; // case PCF2119_3V3 Controller |
wim | 36:9f5f86dfd44a | 2724 | |
wim | 36:9f5f86dfd44a | 2725 | default: |
wim | 36:9f5f86dfd44a | 2726 | break; // end default |
wim | 36:9f5f86dfd44a | 2727 | } // end switch _ctrl |
wim | 36:9f5f86dfd44a | 2728 | |
wim | 36:9f5f86dfd44a | 2729 | //Select DD RAM again for current LCD controller and restore the addresspointer |
wim | 36:9f5f86dfd44a | 2730 | int addr = getAddress(_column, _row); |
wim | 36:9f5f86dfd44a | 2731 | _writeCommand(0x80 | addr); |
wim | 36:9f5f86dfd44a | 2732 | } //end clrIcon() |
wim | 39:e9c2319de9c5 | 2733 | #endif |
wim | 39:e9c2319de9c5 | 2734 | |
wim | 39:e9c2319de9c5 | 2735 | #if(LCD_INVERT == 1) |
wim | 36:9f5f86dfd44a | 2736 | /** Set Invert |
wim | 36:9f5f86dfd44a | 2737 | * setInvert method is supported by some compatible devices (eg KS0073) to swap between black and white |
wim | 36:9f5f86dfd44a | 2738 | * |
wim | 36:9f5f86dfd44a | 2739 | * @param bool invertOn Invert on/off |
wim | 36:9f5f86dfd44a | 2740 | * @return none |
wim | 36:9f5f86dfd44a | 2741 | */ |
wim | 36:9f5f86dfd44a | 2742 | //@TODO Add support for 40x4 dual controller |
wim | 36:9f5f86dfd44a | 2743 | void TextLCD_Base::setInvert(bool invertOn) { |
wim | 36:9f5f86dfd44a | 2744 | |
wim | 36:9f5f86dfd44a | 2745 | if (invertOn) { |
wim | 36:9f5f86dfd44a | 2746 | // Controllers that support Invert |
wim | 36:9f5f86dfd44a | 2747 | switch (_ctrl) { |
wim | 36:9f5f86dfd44a | 2748 | case KS0073: |
wim | 36:9f5f86dfd44a | 2749 | case KS0078: |
wim | 36:9f5f86dfd44a | 2750 | _function = _function | 0x01; // Enable Invert |
wim | 36:9f5f86dfd44a | 2751 | _writeCommand(0x20 | _function); // Activate Invert (Std Instr Set) |
wim | 36:9f5f86dfd44a | 2752 | break; |
wim | 36:9f5f86dfd44a | 2753 | case SSD1803_3V3 : |
wim | 36:9f5f86dfd44a | 2754 | // case SSD1803_5V : |
wim | 36:9f5f86dfd44a | 2755 | case US2066_3V3: |
wim | 36:9f5f86dfd44a | 2756 | // case USS2066_5V: |
wim | 36:9f5f86dfd44a | 2757 | _function_1 = _function_1 | 0x01; // Enable Invert |
wim | 36:9f5f86dfd44a | 2758 | // Set function, 0 0 1 DL N BE RE(1) REV (SSD1803) |
wim | 36:9f5f86dfd44a | 2759 | // Set function, 0 0 1 X N BE RE(1) REV (US2066) |
wim | 36:9f5f86dfd44a | 2760 | _writeCommand(0x20 | _function_1); // Activate Invert (Ext Instr Set) |
wim | 36:9f5f86dfd44a | 2761 | _writeCommand(0x20 | _function); // Return to Std Instr Set |
wim | 36:9f5f86dfd44a | 2762 | break; |
wim | 36:9f5f86dfd44a | 2763 | default: |
wim | 36:9f5f86dfd44a | 2764 | //Unsupported feature for other controllers |
wim | 36:9f5f86dfd44a | 2765 | break; |
wim | 36:9f5f86dfd44a | 2766 | } // end switch |
wim | 36:9f5f86dfd44a | 2767 | } |
wim | 36:9f5f86dfd44a | 2768 | else { |
wim | 36:9f5f86dfd44a | 2769 | // Controllers that support Invert |
wim | 36:9f5f86dfd44a | 2770 | switch (_ctrl) { |
wim | 36:9f5f86dfd44a | 2771 | case KS0073: |
wim | 36:9f5f86dfd44a | 2772 | case KS0078: |
wim | 36:9f5f86dfd44a | 2773 | _function = _function & ~0x01; // Disable Invert |
wim | 36:9f5f86dfd44a | 2774 | _writeCommand(0x20 | _function); // Disable Invert (Std Instr Set) |
wim | 36:9f5f86dfd44a | 2775 | break; |
wim | 36:9f5f86dfd44a | 2776 | case SSD1803_3V3 : |
wim | 36:9f5f86dfd44a | 2777 | // case SSD1803_5V : |
wim | 36:9f5f86dfd44a | 2778 | case US2066_3V3: |
wim | 36:9f5f86dfd44a | 2779 | // case USS2066_5V: |
wim | 36:9f5f86dfd44a | 2780 | _function_1 = _function_1 & ~0x01; // Disable Invert |
wim | 36:9f5f86dfd44a | 2781 | // Set function, 0 0 1 DL N BE RE(1) REV (SSD1803) |
wim | 36:9f5f86dfd44a | 2782 | // Set function, 0 0 1 X N BE RE(1) REV (US2066) |
wim | 36:9f5f86dfd44a | 2783 | _writeCommand(0x20 | _function_1); // Activate Invert (Ext Instr Set) |
wim | 36:9f5f86dfd44a | 2784 | _writeCommand(0x20 | _function); // Return to Std Instr Set |
wim | 36:9f5f86dfd44a | 2785 | break; |
wim | 36:9f5f86dfd44a | 2786 | |
wim | 36:9f5f86dfd44a | 2787 | default: |
wim | 36:9f5f86dfd44a | 2788 | //Unsupported feature for other controllers |
wim | 36:9f5f86dfd44a | 2789 | break; |
wim | 36:9f5f86dfd44a | 2790 | } // end switch |
wim | 36:9f5f86dfd44a | 2791 | } |
wim | 36:9f5f86dfd44a | 2792 | } // end setInvert() |
wim | 39:e9c2319de9c5 | 2793 | #endif |
wim | 36:9f5f86dfd44a | 2794 | |
wim | 23:d47f226efb24 | 2795 | //--------- End TextLCD_Base ----------- |
wim | 21:9eb628d9e164 | 2796 | |
wim | 22:35742ec80c24 | 2797 | |
wim | 23:d47f226efb24 | 2798 | //--------- Start TextLCD Bus ----------- |
wim | 21:9eb628d9e164 | 2799 | |
wim | 21:9eb628d9e164 | 2800 | /* Create a TextLCD interface for using regular mbed pins |
wim | 21:9eb628d9e164 | 2801 | * |
wim | 21:9eb628d9e164 | 2802 | * @param rs Instruction/data control line |
wim | 21:9eb628d9e164 | 2803 | * @param e Enable line (clock) |
wim | 21:9eb628d9e164 | 2804 | * @param d4-d7 Data lines for using as a 4-bit interface |
wim | 21:9eb628d9e164 | 2805 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
wim | 21:9eb628d9e164 | 2806 | * @param bl Backlight control line (optional, default = NC) |
wim | 21:9eb628d9e164 | 2807 | * @param e2 Enable2 line (clock for second controller, LCD40x4 only) |
wim | 21:9eb628d9e164 | 2808 | * @param ctrl LCD controller (default = HD44780) |
wim | 21:9eb628d9e164 | 2809 | */ |
wim | 21:9eb628d9e164 | 2810 | TextLCD::TextLCD(PinName rs, PinName e, |
wim | 21:9eb628d9e164 | 2811 | PinName d4, PinName d5, PinName d6, PinName d7, |
wim | 21:9eb628d9e164 | 2812 | LCDType type, PinName bl, PinName e2, LCDCtrl ctrl) : |
wim | 21:9eb628d9e164 | 2813 | TextLCD_Base(type, ctrl), |
wim | 22:35742ec80c24 | 2814 | _rs(rs), _e(e), _d(d4, d5, d6, d7) { |
wim | 22:35742ec80c24 | 2815 | |
wim | 22:35742ec80c24 | 2816 | // The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access. |
wim | 22:35742ec80c24 | 2817 | if (bl != NC) { |
wim | 22:35742ec80c24 | 2818 | _bl = new DigitalOut(bl); //Construct new pin |
wim | 22:35742ec80c24 | 2819 | _bl->write(0); //Deactivate |
wim | 22:35742ec80c24 | 2820 | } |
wim | 22:35742ec80c24 | 2821 | else { |
wim | 22:35742ec80c24 | 2822 | // No Hardware Backlight pin |
wim | 22:35742ec80c24 | 2823 | _bl = NULL; //Construct dummy pin |
wim | 22:35742ec80c24 | 2824 | } |
wim | 22:35742ec80c24 | 2825 | |
wim | 22:35742ec80c24 | 2826 | // 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 | 2827 | if (e2 != NC) { |
wim | 22:35742ec80c24 | 2828 | _e2 = new DigitalOut(e2); //Construct new pin |
wim | 22:35742ec80c24 | 2829 | _e2->write(0); //Deactivate |
wim | 22:35742ec80c24 | 2830 | } |
wim | 22:35742ec80c24 | 2831 | else { |
wim | 22:35742ec80c24 | 2832 | // No Hardware Enable pin |
wim | 22:35742ec80c24 | 2833 | _e2 = NULL; //Construct dummy pin |
wim | 22:35742ec80c24 | 2834 | } |
wim | 38:cbe275b0b647 | 2835 | |
wim | 38:cbe275b0b647 | 2836 | _init(_LCD_DL_4); // Set Datalength to 4 bit for mbed bus interfaces |
wim | 21:9eb628d9e164 | 2837 | } |
wim | 21:9eb628d9e164 | 2838 | |
wim | 29:a3663151aa65 | 2839 | /** Destruct a TextLCD interface for using regular mbed pins |
wim | 29:a3663151aa65 | 2840 | * |
wim | 29:a3663151aa65 | 2841 | * @param none |
wim | 29:a3663151aa65 | 2842 | * @return none |
wim | 29:a3663151aa65 | 2843 | */ |
wim | 29:a3663151aa65 | 2844 | TextLCD::~TextLCD() { |
wim | 29:a3663151aa65 | 2845 | if (_bl != NULL) {delete _bl;} // BL pin |
wim | 29:a3663151aa65 | 2846 | if (_e2 != NULL) {delete _e2;} // E2 pin |
wim | 29:a3663151aa65 | 2847 | } |
wim | 29:a3663151aa65 | 2848 | |
wim | 22:35742ec80c24 | 2849 | /** Set E pin (or E2 pin) |
wim | 22:35742ec80c24 | 2850 | * Used for mbed pins, I2C bus expander or SPI shiftregister |
wim | 22:35742ec80c24 | 2851 | * Default PinName value for E2 is NC, must be used as pointer to avoid issues with mbed lib and DigitalOut pins |
wim | 22:35742ec80c24 | 2852 | * @param value true or false |
wim | 22:35742ec80c24 | 2853 | * @return none |
wim | 22:35742ec80c24 | 2854 | */ |
wim | 21:9eb628d9e164 | 2855 | void TextLCD::_setEnable(bool value) { |
wim | 21:9eb628d9e164 | 2856 | |
wim | 22:35742ec80c24 | 2857 | if(_ctrl_idx==_LCDCtrl_0) { |
wim | 22:35742ec80c24 | 2858 | if (value) { |
wim | 22:35742ec80c24 | 2859 | _e = 1; // Set E bit |
wim | 22:35742ec80c24 | 2860 | } |
wim | 22:35742ec80c24 | 2861 | else { |
wim | 22:35742ec80c24 | 2862 | _e = 0; // Reset E bit |
wim | 22:35742ec80c24 | 2863 | } |
wim | 22:35742ec80c24 | 2864 | } |
wim | 22:35742ec80c24 | 2865 | else { |
wim | 22:35742ec80c24 | 2866 | if (value) { |
wim | 22:35742ec80c24 | 2867 | if (_e2 != NULL) {_e2->write(1);} //Set E2 bit |
wim | 22:35742ec80c24 | 2868 | } |
wim | 22:35742ec80c24 | 2869 | else { |
wim | 22:35742ec80c24 | 2870 | if (_e2 != NULL) {_e2->write(0);} //Reset E2 bit |
wim | 22:35742ec80c24 | 2871 | } |
wim | 22:35742ec80c24 | 2872 | } |
wim | 21:9eb628d9e164 | 2873 | } |
wim | 21:9eb628d9e164 | 2874 | |
wim | 21:9eb628d9e164 | 2875 | // Set RS pin |
wim | 21:9eb628d9e164 | 2876 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
wim | 21:9eb628d9e164 | 2877 | void TextLCD::_setRS(bool value) { |
wim | 21:9eb628d9e164 | 2878 | |
wim | 22:35742ec80c24 | 2879 | if (value) { |
wim | 21:9eb628d9e164 | 2880 | _rs = 1; // Set RS bit |
wim | 22:35742ec80c24 | 2881 | } |
wim | 22:35742ec80c24 | 2882 | else { |
wim | 21:9eb628d9e164 | 2883 | _rs = 0; // Reset RS bit |
wim | 22:35742ec80c24 | 2884 | } |
wim | 21:9eb628d9e164 | 2885 | } |
wim | 21:9eb628d9e164 | 2886 | |
wim | 22:35742ec80c24 | 2887 | /** Set BL pin |
wim | 22:35742ec80c24 | 2888 | * Used for mbed pins, I2C bus expander or SPI shiftregister |
wim | 22:35742ec80c24 | 2889 | * Default PinName value is NC, must be used as pointer to avoid issues with mbed lib and DigitalOut pins |
wim | 22:35742ec80c24 | 2890 | * @param value true or false |
wim | 22:35742ec80c24 | 2891 | * @return none |
wim | 22:35742ec80c24 | 2892 | */ |
wim | 21:9eb628d9e164 | 2893 | void TextLCD::_setBL(bool value) { |
wim | 21:9eb628d9e164 | 2894 | |
wim | 22:35742ec80c24 | 2895 | if (value) { |
wim | 22:35742ec80c24 | 2896 | if (_bl != NULL) {_bl->write(1);} //Set BL bit |
wim | 22:35742ec80c24 | 2897 | } |
wim | 22:35742ec80c24 | 2898 | else { |
wim | 22:35742ec80c24 | 2899 | if (_bl != NULL) {_bl->write(0);} //Reset BL bit |
wim | 22:35742ec80c24 | 2900 | } |
wim | 21:9eb628d9e164 | 2901 | } |
wim | 21:9eb628d9e164 | 2902 | |
wim | 21:9eb628d9e164 | 2903 | // Place the 4bit data on the databus |
wim | 21:9eb628d9e164 | 2904 | // Used for mbed pins, I2C bus expander or SPI shifregister |
wim | 21:9eb628d9e164 | 2905 | void TextLCD::_setData(int value) { |
wim | 21:9eb628d9e164 | 2906 | _d = value & 0x0F; // Write Databits |
wim | 21:9eb628d9e164 | 2907 | } |
wim | 34:e5a0dcb43ecc | 2908 | |
wim | 23:d47f226efb24 | 2909 | //----------- End TextLCD --------------- |
wim | 21:9eb628d9e164 | 2910 | |
wim | 21:9eb628d9e164 | 2911 | |
wim | 23:d47f226efb24 | 2912 | //--------- Start TextLCD_I2C ----------- |
wim | 34:e5a0dcb43ecc | 2913 | #if(LCD_I2C == 1) /* I2C Expander PCF8574/MCP23008 */ |
wim | 26:bd897a001012 | 2914 | /** Create a TextLCD interface using an I2C PC8574 (or PCF8574A) or MCP23008 portexpander |
wim | 22:35742ec80c24 | 2915 | * |
wim | 22:35742ec80c24 | 2916 | * @param i2c I2C Bus |
wim | 26:bd897a001012 | 2917 | * @param deviceAddress I2C slave address (PCF8574, PCF8574A or MCP23008, default = 0x40) |
wim | 22:35742ec80c24 | 2918 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
wim | 22:35742ec80c24 | 2919 | * @param ctrl LCD controller (default = HD44780) |
wim | 22:35742ec80c24 | 2920 | */ |
wim | 21:9eb628d9e164 | 2921 | TextLCD_I2C::TextLCD_I2C(I2C *i2c, char deviceAddress, LCDType type, LCDCtrl ctrl) : |
wim | 21:9eb628d9e164 | 2922 | TextLCD_Base(type, ctrl), |
wim | 21:9eb628d9e164 | 2923 | _i2c(i2c){ |
wim | 21:9eb628d9e164 | 2924 | |
wim | 22:35742ec80c24 | 2925 | _slaveAddress = deviceAddress & 0xFE; |
wim | 28:30fa94f7341c | 2926 | |
wim | 28:30fa94f7341c | 2927 | // Setup the I2C bus |
wim | 28:30fa94f7341c | 2928 | // The max bitrate for PCF8574 is 100kbit, the max bitrate for MCP23008 is 400kbit, |
wim | 32:59c4b8f648d4 | 2929 | _i2c->frequency(100000); |
wim | 21:9eb628d9e164 | 2930 | |
wim | 26:bd897a001012 | 2931 | #if (MCP23008==1) |
wim | 26:bd897a001012 | 2932 | // MCP23008 portexpander Init |
wim | 37:ce348c002929 | 2933 | _writeRegister(IODIR, 0x00); // All pins are outputs |
wim | 37:ce348c002929 | 2934 | _writeRegister(IPOL, 0x00); // No reverse polarity on inputs |
wim | 37:ce348c002929 | 2935 | _writeRegister(GPINTEN, 0x00); // No interrupt on change of input pins |
wim | 37:ce348c002929 | 2936 | _writeRegister(DEFVAL, 0x00); // Default value to compare against for interrupts |
wim | 37:ce348c002929 | 2937 | _writeRegister(INTCON, 0x00); // No interrupt on changes, compare against previous pin value |
wim | 37:ce348c002929 | 2938 | _writeRegister(IOCON, 0x20); // b1=0 - Interrupt polarity active low |
wim | 37:ce348c002929 | 2939 | // b2=0 - Interrupt pin active driver output |
wim | 37:ce348c002929 | 2940 | // b4=0 - Slew rate enable on SDA |
wim | 37:ce348c002929 | 2941 | // b5=0 - Auto-increment on registeraddress |
wim | 37:ce348c002929 | 2942 | // b5=1 - No auto-increment on registeraddress => needed for performance improved I2C expander mode |
wim | 37:ce348c002929 | 2943 | _writeRegister(GPPU, 0x00); // No Pullup |
wim | 37:ce348c002929 | 2944 | // INTF // Interrupt flags read (Read-Only) |
wim | 37:ce348c002929 | 2945 | // INTCAP // Captured inputpins at time of interrupt (Read-Only) |
wim | 37:ce348c002929 | 2946 | // _writeRegister(GPIO, 0x00); // Output/Input pins |
wim | 37:ce348c002929 | 2947 | // _writeRegister(OLAT, 0x00); // Output Latch |
wim | 26:bd897a001012 | 2948 | |
wim | 21:9eb628d9e164 | 2949 | // Init the portexpander bus |
wim | 38:cbe275b0b647 | 2950 | _lcd_bus = LCD_BUS_I2C_DEF; |
wim | 21:9eb628d9e164 | 2951 | |
wim | 21:9eb628d9e164 | 2952 | // write the new data to the portexpander |
wim | 37:ce348c002929 | 2953 | _writeRegister(GPIO, _lcd_bus); |
wim | 26:bd897a001012 | 2954 | #else |
wim | 26:bd897a001012 | 2955 | // PCF8574 of PCF8574A portexpander |
wim | 26:bd897a001012 | 2956 | |
wim | 26:bd897a001012 | 2957 | // Init the portexpander bus |
wim | 38:cbe275b0b647 | 2958 | _lcd_bus = LCD_BUS_I2C_DEF; |
wim | 26:bd897a001012 | 2959 | |
wim | 26:bd897a001012 | 2960 | // write the new data to the portexpander |
wim | 21:9eb628d9e164 | 2961 | _i2c->write(_slaveAddress, &_lcd_bus, 1); |
wim | 26:bd897a001012 | 2962 | #endif |
wim | 21:9eb628d9e164 | 2963 | |
wim | 37:ce348c002929 | 2964 | _init(_LCD_DL_4); // Set Datalength to 4 bit for all serial expander interfaces |
wim | 21:9eb628d9e164 | 2965 | } |
wim | 21:9eb628d9e164 | 2966 | |
wim | 37:ce348c002929 | 2967 | // Set E bit (or E2 bit) in the databus shadowvalue |
wim | 37:ce348c002929 | 2968 | // Used for mbed I2C bus expander |
wim | 37:ce348c002929 | 2969 | void TextLCD_I2C::_setEnableBit(bool value) { |
wim | 21:9eb628d9e164 | 2970 | |
wim | 22:35742ec80c24 | 2971 | if(_ctrl_idx==_LCDCtrl_0) { |
wim | 26:bd897a001012 | 2972 | if (value) { |
wim | 38:cbe275b0b647 | 2973 | _lcd_bus |= LCD_BUS_I2C_E; // Set E bit |
wim | 26:bd897a001012 | 2974 | } |
wim | 26:bd897a001012 | 2975 | else { |
wim | 38:cbe275b0b647 | 2976 | _lcd_bus &= ~LCD_BUS_I2C_E; // Reset E bit |
wim | 26:bd897a001012 | 2977 | } |
wim | 22:35742ec80c24 | 2978 | } |
wim | 22:35742ec80c24 | 2979 | else { |
wim | 26:bd897a001012 | 2980 | if (value) { |
wim | 38:cbe275b0b647 | 2981 | _lcd_bus |= LCD_BUS_I2C_E2; // Set E2 bit |
wim | 26:bd897a001012 | 2982 | } |
wim | 26:bd897a001012 | 2983 | else { |
wim | 38:cbe275b0b647 | 2984 | _lcd_bus &= ~LCD_BUS_I2C_E2; // Reset E2bit |
wim | 26:bd897a001012 | 2985 | } |
wim | 26:bd897a001012 | 2986 | } |
wim | 37:ce348c002929 | 2987 | } |
wim | 37:ce348c002929 | 2988 | |
wim | 37:ce348c002929 | 2989 | // Set E pin (or E2 pin) |
wim | 37:ce348c002929 | 2990 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
wim | 37:ce348c002929 | 2991 | void TextLCD_I2C::_setEnable(bool value) { |
wim | 37:ce348c002929 | 2992 | |
wim | 37:ce348c002929 | 2993 | // Place the E or E2 bit data on the databus shadowvalue |
wim | 37:ce348c002929 | 2994 | _setEnableBit(value); |
wim | 26:bd897a001012 | 2995 | |
wim | 26:bd897a001012 | 2996 | #if (MCP23008==1) |
wim | 26:bd897a001012 | 2997 | // MCP23008 portexpander |
wim | 26:bd897a001012 | 2998 | |
wim | 26:bd897a001012 | 2999 | // write the new data to the portexpander |
wim | 37:ce348c002929 | 3000 | _writeRegister(GPIO, _lcd_bus); |
wim | 26:bd897a001012 | 3001 | #else |
wim | 26:bd897a001012 | 3002 | // PCF8574 of PCF8574A portexpander |
wim | 21:9eb628d9e164 | 3003 | |
wim | 22:35742ec80c24 | 3004 | // write the new data to the I2C portexpander |
wim | 22:35742ec80c24 | 3005 | _i2c->write(_slaveAddress, &_lcd_bus, 1); |
wim | 26:bd897a001012 | 3006 | #endif |
wim | 21:9eb628d9e164 | 3007 | } |
wim | 21:9eb628d9e164 | 3008 | |
wim | 37:ce348c002929 | 3009 | |
wim | 21:9eb628d9e164 | 3010 | // Set RS pin |
wim | 21:9eb628d9e164 | 3011 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
wim | 21:9eb628d9e164 | 3012 | void TextLCD_I2C::_setRS(bool value) { |
wim | 21:9eb628d9e164 | 3013 | |
wim | 26:bd897a001012 | 3014 | if (value) { |
wim | 38:cbe275b0b647 | 3015 | _lcd_bus |= LCD_BUS_I2C_RS; // Set RS bit |
wim | 26:bd897a001012 | 3016 | } |
wim | 26:bd897a001012 | 3017 | else { |
wim | 38:cbe275b0b647 | 3018 | _lcd_bus &= ~LCD_BUS_I2C_RS; // Reset RS bit |
wim | 26:bd897a001012 | 3019 | } |
wim | 26:bd897a001012 | 3020 | |
wim | 26:bd897a001012 | 3021 | #if (MCP23008==1) |
wim | 26:bd897a001012 | 3022 | // MCP23008 portexpander |
wim | 26:bd897a001012 | 3023 | |
wim | 26:bd897a001012 | 3024 | // write the new data to the portexpander |
wim | 37:ce348c002929 | 3025 | _writeRegister(GPIO, _lcd_bus); |
wim | 26:bd897a001012 | 3026 | #else |
wim | 26:bd897a001012 | 3027 | // PCF8574 of PCF8574A portexpander |
wim | 21:9eb628d9e164 | 3028 | |
wim | 22:35742ec80c24 | 3029 | // write the new data to the I2C portexpander |
wim | 22:35742ec80c24 | 3030 | _i2c->write(_slaveAddress, &_lcd_bus, 1); |
wim | 30:033048611c01 | 3031 | #endif |
wim | 21:9eb628d9e164 | 3032 | } |
wim | 21:9eb628d9e164 | 3033 | |
wim | 21:9eb628d9e164 | 3034 | // Set BL pin |
wim | 21:9eb628d9e164 | 3035 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
wim | 21:9eb628d9e164 | 3036 | void TextLCD_I2C::_setBL(bool value) { |
wim | 21:9eb628d9e164 | 3037 | |
wim | 26:bd897a001012 | 3038 | if (value) { |
wim | 38:cbe275b0b647 | 3039 | _lcd_bus |= LCD_BUS_I2C_BL; // Set BL bit |
wim | 26:bd897a001012 | 3040 | } |
wim | 26:bd897a001012 | 3041 | else { |
wim | 38:cbe275b0b647 | 3042 | _lcd_bus &= ~LCD_BUS_I2C_BL; // Reset BL bit |
wim | 26:bd897a001012 | 3043 | } |
wim | 26:bd897a001012 | 3044 | |
wim | 26:bd897a001012 | 3045 | #if (MCP23008==1) |
wim | 26:bd897a001012 | 3046 | // MCP23008 portexpander |
wim | 26:bd897a001012 | 3047 | |
wim | 26:bd897a001012 | 3048 | // write the new data to the portexpander |
wim | 37:ce348c002929 | 3049 | _writeRegister(GPIO, _lcd_bus); |
wim | 37:ce348c002929 | 3050 | #else |
wim | 37:ce348c002929 | 3051 | // PCF8574 of PCF8574A portexpander |
wim | 37:ce348c002929 | 3052 | |
wim | 37:ce348c002929 | 3053 | // write the new data to the I2C portexpander |
wim | 37:ce348c002929 | 3054 | _i2c->write(_slaveAddress, &_lcd_bus, 1); |
wim | 37:ce348c002929 | 3055 | #endif |
wim | 37:ce348c002929 | 3056 | } |
wim | 37:ce348c002929 | 3057 | |
wim | 38:cbe275b0b647 | 3058 | #if(0) |
wim | 38:cbe275b0b647 | 3059 | // New optimized v018 |
wim | 38:cbe275b0b647 | 3060 | // Test faster _writeByte 0.11s vs 0.27s for a 20x4 fillscreen (PCF8574), same as v018 |
wim | 38:cbe275b0b647 | 3061 | // Place the 4bit data in the databus shadowvalue |
wim | 38:cbe275b0b647 | 3062 | // Used for mbed I2C bus expander |
wim | 38:cbe275b0b647 | 3063 | const char _LCD_DATA_BITS[16] = { |
wim | 38:cbe275b0b647 | 3064 | 0x00, |
wim | 38:cbe275b0b647 | 3065 | ( LCD_BUS_I2C_D4), |
wim | 38:cbe275b0b647 | 3066 | ( LCD_BUS_I2C_D5 ), |
wim | 38:cbe275b0b647 | 3067 | ( LCD_BUS_I2C_D5 | LCD_BUS_I2C_D4), |
wim | 38:cbe275b0b647 | 3068 | ( LCD_BUS_I2C_D6 ), |
wim | 38:cbe275b0b647 | 3069 | ( LCD_BUS_I2C_D6 | LCD_BUS_I2C_D4), |
wim | 38:cbe275b0b647 | 3070 | ( LCD_BUS_I2C_D6 | LCD_BUS_I2C_D5 ), |
wim | 38:cbe275b0b647 | 3071 | ( LCD_BUS_I2C_D6 | LCD_BUS_I2C_D5 | LCD_BUS_I2C_D4), |
wim | 38:cbe275b0b647 | 3072 | (LCD_BUS_I2C_D7 ), |
wim | 38:cbe275b0b647 | 3073 | (LCD_BUS_I2C_D7 | LCD_BUS_I2C_D4), |
wim | 38:cbe275b0b647 | 3074 | (LCD_BUS_I2C_D7 | LCD_BUS_I2C_D5 ), |
wim | 38:cbe275b0b647 | 3075 | (LCD_BUS_I2C_D7 | LCD_BUS_I2C_D5 | LCD_BUS_I2C_D4), |
wim | 38:cbe275b0b647 | 3076 | (LCD_BUS_I2C_D7 | LCD_BUS_I2C_D6 ), |
wim | 38:cbe275b0b647 | 3077 | (LCD_BUS_I2C_D7 | LCD_BUS_I2C_D6 | LCD_BUS_I2C_D4), |
wim | 38:cbe275b0b647 | 3078 | (LCD_BUS_I2C_D7 | LCD_BUS_I2C_D6 | LCD_BUS_I2C_D5 ), |
wim | 38:cbe275b0b647 | 3079 | (LCD_BUS_I2C_D7 | LCD_BUS_I2C_D6 | LCD_BUS_I2C_D5 | LCD_BUS_I2C_D4) |
wim | 38:cbe275b0b647 | 3080 | }; |
wim | 38:cbe275b0b647 | 3081 | void TextLCD_I2C::_setDataBits(int value) { |
wim | 38:cbe275b0b647 | 3082 | |
wim | 38:cbe275b0b647 | 3083 | //Clear all databits |
wim | 38:cbe275b0b647 | 3084 | _lcd_bus &= ~LCD_BUS_I2C_MSK; |
wim | 38:cbe275b0b647 | 3085 | |
wim | 38:cbe275b0b647 | 3086 | // Set bit by bit to support any mapping of expander portpins to LCD pins |
wim | 38:cbe275b0b647 | 3087 | _lcd_bus |= _LCD_DATA_BITS[value & 0x0F]; |
wim | 38:cbe275b0b647 | 3088 | } |
wim | 39:e9c2319de9c5 | 3089 | #endif |
wim | 39:e9c2319de9c5 | 3090 | |
wim | 39:e9c2319de9c5 | 3091 | #if(0) |
wim | 38:cbe275b0b647 | 3092 | //orig v017 |
wim | 38:cbe275b0b647 | 3093 | // Test faster _writeByte 0.11s vs 0.27s for a 20x4 fillscreen (PCF8574) |
wim | 37:ce348c002929 | 3094 | // Place the 4bit data in the databus shadowvalue |
wim | 37:ce348c002929 | 3095 | // Used for mbed I2C bus expander |
wim | 37:ce348c002929 | 3096 | void TextLCD_I2C::_setDataBits(int value) { |
wim | 37:ce348c002929 | 3097 | |
wim | 37:ce348c002929 | 3098 | // Set bit by bit to support any mapping of expander portpins to LCD pins |
wim | 37:ce348c002929 | 3099 | if (value & 0x01){ |
wim | 38:cbe275b0b647 | 3100 | _lcd_bus |= LCD_BUS_I2C_D4; // Set Databit |
wim | 37:ce348c002929 | 3101 | } |
wim | 37:ce348c002929 | 3102 | else { |
wim | 38:cbe275b0b647 | 3103 | _lcd_bus &= ~LCD_BUS_I2C_D4; // Reset Databit |
wim | 37:ce348c002929 | 3104 | } |
wim | 37:ce348c002929 | 3105 | |
wim | 37:ce348c002929 | 3106 | if (value & 0x02){ |
wim | 38:cbe275b0b647 | 3107 | _lcd_bus |= LCD_BUS_I2C_D5; // Set Databit |
wim | 37:ce348c002929 | 3108 | } |
wim | 37:ce348c002929 | 3109 | else { |
wim | 38:cbe275b0b647 | 3110 | _lcd_bus &= ~LCD_BUS_I2C_D5; // Reset Databit |
wim | 37:ce348c002929 | 3111 | } |
wim | 37:ce348c002929 | 3112 | |
wim | 37:ce348c002929 | 3113 | if (value & 0x04) { |
wim | 38:cbe275b0b647 | 3114 | _lcd_bus |= LCD_BUS_I2C_D6; // Set Databit |
wim | 37:ce348c002929 | 3115 | } |
wim | 37:ce348c002929 | 3116 | else { |
wim | 38:cbe275b0b647 | 3117 | _lcd_bus &= ~LCD_BUS_I2C_D6; // Reset Databit |
wim | 37:ce348c002929 | 3118 | } |
wim | 37:ce348c002929 | 3119 | |
wim | 37:ce348c002929 | 3120 | if (value & 0x08) { |
wim | 38:cbe275b0b647 | 3121 | _lcd_bus |= LCD_BUS_I2C_D7; // Set Databit |
wim | 37:ce348c002929 | 3122 | } |
wim | 37:ce348c002929 | 3123 | else { |
wim | 38:cbe275b0b647 | 3124 | _lcd_bus &= ~LCD_BUS_I2C_D7; // Reset Databit |
wim | 37:ce348c002929 | 3125 | } |
wim | 37:ce348c002929 | 3126 | } |
wim | 38:cbe275b0b647 | 3127 | #endif |
wim | 38:cbe275b0b647 | 3128 | |
wim | 39:e9c2319de9c5 | 3129 | #if(1) |
wim | 39:e9c2319de9c5 | 3130 | //orig v017, with optimised codesize |
wim | 39:e9c2319de9c5 | 3131 | // Test faster _writeByte 0.11s vs 0.27s for a 20x4 fillscreen (PCF8574) |
wim | 39:e9c2319de9c5 | 3132 | // Place the 4bit data in the databus shadowvalue |
wim | 39:e9c2319de9c5 | 3133 | // Used for mbed I2C bus expander |
wim | 39:e9c2319de9c5 | 3134 | void TextLCD_I2C::_setDataBits(int value) { |
wim | 39:e9c2319de9c5 | 3135 | |
wim | 39:e9c2319de9c5 | 3136 | //Clear all databits |
wim | 39:e9c2319de9c5 | 3137 | _lcd_bus &= ~LCD_BUS_I2C_MSK; |
wim | 39:e9c2319de9c5 | 3138 | |
wim | 39:e9c2319de9c5 | 3139 | // Set bit by bit to support any mapping of expander portpins to LCD pins |
wim | 39:e9c2319de9c5 | 3140 | if (value & 0x01){ |
wim | 39:e9c2319de9c5 | 3141 | _lcd_bus |= LCD_BUS_I2C_D4; // Set Databit |
wim | 39:e9c2319de9c5 | 3142 | } |
wim | 39:e9c2319de9c5 | 3143 | |
wim | 39:e9c2319de9c5 | 3144 | if (value & 0x02){ |
wim | 39:e9c2319de9c5 | 3145 | _lcd_bus |= LCD_BUS_I2C_D5; // Set Databit |
wim | 39:e9c2319de9c5 | 3146 | } |
wim | 39:e9c2319de9c5 | 3147 | |
wim | 39:e9c2319de9c5 | 3148 | if (value & 0x04) { |
wim | 39:e9c2319de9c5 | 3149 | _lcd_bus |= LCD_BUS_I2C_D6; // Set Databit |
wim | 39:e9c2319de9c5 | 3150 | } |
wim | 39:e9c2319de9c5 | 3151 | |
wim | 39:e9c2319de9c5 | 3152 | if (value & 0x08) { |
wim | 39:e9c2319de9c5 | 3153 | _lcd_bus |= LCD_BUS_I2C_D7; // Set Databit |
wim | 39:e9c2319de9c5 | 3154 | } |
wim | 39:e9c2319de9c5 | 3155 | } |
wim | 39:e9c2319de9c5 | 3156 | #endif |
wim | 37:ce348c002929 | 3157 | |
wim | 37:ce348c002929 | 3158 | // Place the 4bit data on the databus |
wim | 37:ce348c002929 | 3159 | // Used for mbed pins, I2C bus expander or SPI shifregister |
wim | 37:ce348c002929 | 3160 | void TextLCD_I2C::_setData(int value) { |
wim | 37:ce348c002929 | 3161 | |
wim | 37:ce348c002929 | 3162 | // Place the 4bit data on the databus shadowvalue |
wim | 37:ce348c002929 | 3163 | _setDataBits(value); |
wim | 37:ce348c002929 | 3164 | |
wim | 37:ce348c002929 | 3165 | // Place the 4bit data on the databus |
wim | 37:ce348c002929 | 3166 | #if (MCP23008==1) |
wim | 37:ce348c002929 | 3167 | // MCP23008 portexpander |
wim | 37:ce348c002929 | 3168 | |
wim | 37:ce348c002929 | 3169 | // write the new data to the portexpander |
wim | 37:ce348c002929 | 3170 | _writeRegister(GPIO, _lcd_bus); |
wim | 26:bd897a001012 | 3171 | #else |
wim | 26:bd897a001012 | 3172 | // PCF8574 of PCF8574A portexpander |
wim | 21:9eb628d9e164 | 3173 | |
wim | 21:9eb628d9e164 | 3174 | // write the new data to the I2C portexpander |
wim | 21:9eb628d9e164 | 3175 | _i2c->write(_slaveAddress, &_lcd_bus, 1); |
wim | 30:033048611c01 | 3176 | #endif |
wim | 21:9eb628d9e164 | 3177 | } |
wim | 21:9eb628d9e164 | 3178 | |
wim | 37:ce348c002929 | 3179 | // Write data to MCP23008 I2C portexpander |
wim | 37:ce348c002929 | 3180 | // Used for mbed I2C bus expander |
wim | 37:ce348c002929 | 3181 | void TextLCD_I2C::_writeRegister (int reg, int value) { |
wim | 37:ce348c002929 | 3182 | char data[] = {reg, value}; |
wim | 37:ce348c002929 | 3183 | |
wim | 37:ce348c002929 | 3184 | _i2c->write(_slaveAddress, data, 2); |
wim | 37:ce348c002929 | 3185 | } |
wim | 37:ce348c002929 | 3186 | |
wim | 37:ce348c002929 | 3187 | //New optimized |
wim | 37:ce348c002929 | 3188 | //Test faster _writeByte 0.11s vs 0.27s for a 20x4 fillscreen (PCF8574) |
wim | 37:ce348c002929 | 3189 | //Test faster _writeByte 0.14s vs 0.34s for a 20x4 fillscreen (MCP23008) |
wim | 37:ce348c002929 | 3190 | |
wim | 37:ce348c002929 | 3191 | // Write a byte using I2C |
wim | 37:ce348c002929 | 3192 | void TextLCD_I2C::_writeByte(int value) { |
wim | 37:ce348c002929 | 3193 | char data[6]; |
wim | 37:ce348c002929 | 3194 | |
wim | 37:ce348c002929 | 3195 | #if (MCP23008==1) |
wim | 37:ce348c002929 | 3196 | // MCP23008 portexpander |
wim | 37:ce348c002929 | 3197 | |
wim | 37:ce348c002929 | 3198 | data[0] = GPIO; // set registeraddres |
wim | 37:ce348c002929 | 3199 | // Note: auto-increment is disabled so all data will go to GPIO register |
wim | 37:ce348c002929 | 3200 | |
wim | 37:ce348c002929 | 3201 | _setEnableBit(true); // set E |
wim | 37:ce348c002929 | 3202 | _setDataBits(value >> 4); // set data high |
wim | 37:ce348c002929 | 3203 | data[1] = _lcd_bus; |
wim | 37:ce348c002929 | 3204 | |
wim | 37:ce348c002929 | 3205 | _setEnableBit(false); // clear E |
wim | 37:ce348c002929 | 3206 | data[2] = _lcd_bus; |
wim | 37:ce348c002929 | 3207 | |
wim | 37:ce348c002929 | 3208 | _setEnableBit(true); // set E |
wim | 37:ce348c002929 | 3209 | _setDataBits(value); // set data low |
wim | 37:ce348c002929 | 3210 | data[3] = _lcd_bus; |
wim | 37:ce348c002929 | 3211 | |
wim | 37:ce348c002929 | 3212 | _setEnableBit(false); // clear E |
wim | 37:ce348c002929 | 3213 | data[4] = _lcd_bus; |
wim | 37:ce348c002929 | 3214 | |
wim | 37:ce348c002929 | 3215 | // write the packed data to the I2C portexpander |
wim | 37:ce348c002929 | 3216 | _i2c->write(_slaveAddress, data, 5); |
wim | 37:ce348c002929 | 3217 | #else |
wim | 37:ce348c002929 | 3218 | // PCF8574 of PCF8574A portexpander |
wim | 37:ce348c002929 | 3219 | |
wim | 37:ce348c002929 | 3220 | _setEnableBit(true); // set E |
wim | 37:ce348c002929 | 3221 | _setDataBits(value >> 4); // set data high |
wim | 37:ce348c002929 | 3222 | data[0] = _lcd_bus; |
wim | 37:ce348c002929 | 3223 | |
wim | 37:ce348c002929 | 3224 | _setEnableBit(false); // clear E |
wim | 37:ce348c002929 | 3225 | data[1] = _lcd_bus; |
wim | 37:ce348c002929 | 3226 | |
wim | 37:ce348c002929 | 3227 | _setEnableBit(true); // set E |
wim | 37:ce348c002929 | 3228 | _setDataBits(value); // set data low |
wim | 37:ce348c002929 | 3229 | data[2] = _lcd_bus; |
wim | 37:ce348c002929 | 3230 | |
wim | 37:ce348c002929 | 3231 | _setEnableBit(false); // clear E |
wim | 37:ce348c002929 | 3232 | data[3] = _lcd_bus; |
wim | 37:ce348c002929 | 3233 | |
wim | 37:ce348c002929 | 3234 | // write the packed data to the I2C portexpander |
wim | 37:ce348c002929 | 3235 | _i2c->write(_slaveAddress, data, 4); |
wim | 37:ce348c002929 | 3236 | #endif |
wim | 37:ce348c002929 | 3237 | } |
wim | 37:ce348c002929 | 3238 | |
wim | 37:ce348c002929 | 3239 | #endif /* I2C Expander PCF8574/MCP23008 */ |
wim | 37:ce348c002929 | 3240 | //---------- End TextLCD_I2C ------------ |
wim | 37:ce348c002929 | 3241 | |
wim | 37:ce348c002929 | 3242 | |
wim | 37:ce348c002929 | 3243 | //--------- Start TextLCD_SPI ----------- |
wim | 37:ce348c002929 | 3244 | #if(LCD_SPI == 1) /* SPI Expander SN74595 */ |
wim | 37:ce348c002929 | 3245 | |
wim | 37:ce348c002929 | 3246 | /** Create a TextLCD interface using an SPI 74595 portexpander |
wim | 37:ce348c002929 | 3247 | * |
wim | 37:ce348c002929 | 3248 | * @param spi SPI Bus |
wim | 37:ce348c002929 | 3249 | * @param cs chip select pin (active low) |
wim | 37:ce348c002929 | 3250 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
wim | 37:ce348c002929 | 3251 | * @param ctrl LCD controller (default = HD44780) |
wim | 37:ce348c002929 | 3252 | */ |
wim | 37:ce348c002929 | 3253 | TextLCD_SPI::TextLCD_SPI(SPI *spi, PinName cs, LCDType type, LCDCtrl ctrl) : |
wim | 37:ce348c002929 | 3254 | TextLCD_Base(type, ctrl), |
wim | 37:ce348c002929 | 3255 | _spi(spi), |
wim | 38:cbe275b0b647 | 3256 | _cs(cs) { |
wim | 37:ce348c002929 | 3257 | // Init cs |
wim | 37:ce348c002929 | 3258 | _cs = 1; |
wim | 37:ce348c002929 | 3259 | |
wim | 37:ce348c002929 | 3260 | // Setup the spi for 8 bit data, low steady state clock, |
wim | 37:ce348c002929 | 3261 | // rising edge capture, with a 500KHz or 1MHz clock rate |
wim | 37:ce348c002929 | 3262 | _spi->format(8,0); |
wim | 37:ce348c002929 | 3263 | _spi->frequency(500000); |
wim | 37:ce348c002929 | 3264 | //_spi.frequency(1000000); |
wim | 37:ce348c002929 | 3265 | |
wim | 38:cbe275b0b647 | 3266 | wait_ms(100); // Wait 100ms to ensure LCD powered up |
wim | 38:cbe275b0b647 | 3267 | |
wim | 37:ce348c002929 | 3268 | // Init the portexpander bus |
wim | 38:cbe275b0b647 | 3269 | _lcd_bus = LCD_BUS_SPI_DEF; |
wim | 37:ce348c002929 | 3270 | |
wim | 37:ce348c002929 | 3271 | // write the new data to the portexpander |
wim | 37:ce348c002929 | 3272 | _cs = 0; |
wim | 37:ce348c002929 | 3273 | _spi->write(_lcd_bus); |
wim | 37:ce348c002929 | 3274 | _cs = 1; |
wim | 37:ce348c002929 | 3275 | |
wim | 37:ce348c002929 | 3276 | _init(_LCD_DL_4); // Set Datalength to 4 bit for all serial expander interfaces |
wim | 37:ce348c002929 | 3277 | } |
wim | 37:ce348c002929 | 3278 | |
wim | 37:ce348c002929 | 3279 | // Set E pin (or E2 pin) |
wim | 37:ce348c002929 | 3280 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
wim | 37:ce348c002929 | 3281 | void TextLCD_SPI::_setEnable(bool value) { |
wim | 37:ce348c002929 | 3282 | |
wim | 37:ce348c002929 | 3283 | if(_ctrl_idx==_LCDCtrl_0) { |
wim | 37:ce348c002929 | 3284 | if (value) { |
wim | 38:cbe275b0b647 | 3285 | _lcd_bus |= LCD_BUS_SPI_E; // Set E bit |
wim | 37:ce348c002929 | 3286 | } |
wim | 37:ce348c002929 | 3287 | else { |
wim | 38:cbe275b0b647 | 3288 | _lcd_bus &= ~LCD_BUS_SPI_E; // Reset E bit |
wim | 37:ce348c002929 | 3289 | } |
wim | 37:ce348c002929 | 3290 | } |
wim | 37:ce348c002929 | 3291 | else { |
wim | 37:ce348c002929 | 3292 | if (value) { |
wim | 38:cbe275b0b647 | 3293 | _lcd_bus |= LCD_BUS_SPI_E2; // Set E2 bit |
wim | 37:ce348c002929 | 3294 | } |
wim | 37:ce348c002929 | 3295 | else { |
wim | 38:cbe275b0b647 | 3296 | _lcd_bus &= ~LCD_BUS_SPI_E2; // Reset E2 bit |
wim | 37:ce348c002929 | 3297 | } |
wim | 37:ce348c002929 | 3298 | } |
wim | 37:ce348c002929 | 3299 | |
wim | 37:ce348c002929 | 3300 | // write the new data to the SPI portexpander |
wim | 37:ce348c002929 | 3301 | _cs = 0; |
wim | 37:ce348c002929 | 3302 | _spi->write(_lcd_bus); |
wim | 37:ce348c002929 | 3303 | _cs = 1; |
wim | 37:ce348c002929 | 3304 | } |
wim | 37:ce348c002929 | 3305 | |
wim | 37:ce348c002929 | 3306 | // Set RS pin |
wim | 37:ce348c002929 | 3307 | // Used for mbed pins, I2C bus expander or SPI shiftregister and SPI_N |
wim | 37:ce348c002929 | 3308 | void TextLCD_SPI::_setRS(bool value) { |
wim | 37:ce348c002929 | 3309 | |
wim | 37:ce348c002929 | 3310 | if (value) { |
wim | 38:cbe275b0b647 | 3311 | _lcd_bus |= LCD_BUS_SPI_RS; // Set RS bit |
wim | 37:ce348c002929 | 3312 | } |
wim | 37:ce348c002929 | 3313 | else { |
wim | 38:cbe275b0b647 | 3314 | _lcd_bus &= ~LCD_BUS_SPI_RS; // Reset RS bit |
wim | 37:ce348c002929 | 3315 | } |
wim | 37:ce348c002929 | 3316 | |
wim | 37:ce348c002929 | 3317 | // write the new data to the SPI portexpander |
wim | 37:ce348c002929 | 3318 | _cs = 0; |
wim | 37:ce348c002929 | 3319 | _spi->write(_lcd_bus); |
wim | 37:ce348c002929 | 3320 | _cs = 1; |
wim | 37:ce348c002929 | 3321 | } |
wim | 37:ce348c002929 | 3322 | |
wim | 37:ce348c002929 | 3323 | // Set BL pin |
wim | 37:ce348c002929 | 3324 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
wim | 37:ce348c002929 | 3325 | void TextLCD_SPI::_setBL(bool value) { |
wim | 37:ce348c002929 | 3326 | |
wim | 37:ce348c002929 | 3327 | if (value) { |
wim | 38:cbe275b0b647 | 3328 | _lcd_bus |= LCD_BUS_SPI_BL; // Set BL bit |
wim | 37:ce348c002929 | 3329 | } |
wim | 37:ce348c002929 | 3330 | else { |
wim | 38:cbe275b0b647 | 3331 | _lcd_bus &= ~LCD_BUS_SPI_BL; // Reset BL bit |
wim | 37:ce348c002929 | 3332 | } |
wim | 37:ce348c002929 | 3333 | |
wim | 37:ce348c002929 | 3334 | // write the new data to the SPI portexpander |
wim | 37:ce348c002929 | 3335 | _cs = 0; |
wim | 37:ce348c002929 | 3336 | _spi->write(_lcd_bus); |
wim | 37:ce348c002929 | 3337 | _cs = 1; |
wim | 37:ce348c002929 | 3338 | } |
wim | 21:9eb628d9e164 | 3339 | |
wim | 21:9eb628d9e164 | 3340 | // Place the 4bit data on the databus |
wim | 37:ce348c002929 | 3341 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
wim | 37:ce348c002929 | 3342 | void TextLCD_SPI::_setData(int value) { |
wim | 22:35742ec80c24 | 3343 | |
wim | 22:35742ec80c24 | 3344 | // Set bit by bit to support any mapping of expander portpins to LCD pins |
wim | 37:ce348c002929 | 3345 | if (value & 0x01) { |
wim | 38:cbe275b0b647 | 3346 | _lcd_bus |= LCD_BUS_SPI_D4; // Set Databit |
wim | 26:bd897a001012 | 3347 | } |
wim | 37:ce348c002929 | 3348 | else { |
wim | 38:cbe275b0b647 | 3349 | _lcd_bus &= ~LCD_BUS_SPI_D4; // Reset Databit |
wim | 37:ce348c002929 | 3350 | } |
wim | 37:ce348c002929 | 3351 | |
wim | 37:ce348c002929 | 3352 | if (value & 0x02) { |
wim | 38:cbe275b0b647 | 3353 | _lcd_bus |= LCD_BUS_SPI_D5; // Set Databit |
wim | 26:bd897a001012 | 3354 | } |
wim | 26:bd897a001012 | 3355 | else { |
wim | 38:cbe275b0b647 | 3356 | _lcd_bus &= ~LCD_BUS_SPI_D5; // Reset Databit |
wim | 37:ce348c002929 | 3357 | } |
wim | 37:ce348c002929 | 3358 | |
wim | 37:ce348c002929 | 3359 | if (value & 0x04) { |
wim | 38:cbe275b0b647 | 3360 | _lcd_bus |= LCD_BUS_SPI_D6; // Set Databit |
wim | 26:bd897a001012 | 3361 | } |
wim | 37:ce348c002929 | 3362 | else { |
wim | 38:cbe275b0b647 | 3363 | _lcd_bus &= ~LCD_BUS_SPI_D6; // Reset Databit |
wim | 37:ce348c002929 | 3364 | } |
wim | 37:ce348c002929 | 3365 | |
wim | 37:ce348c002929 | 3366 | if (value & 0x08) { |
wim | 38:cbe275b0b647 | 3367 | _lcd_bus |= LCD_BUS_SPI_D7; // Set Databit |
wim | 26:bd897a001012 | 3368 | } |
wim | 26:bd897a001012 | 3369 | else { |
wim | 38:cbe275b0b647 | 3370 | _lcd_bus &= ~LCD_BUS_SPI_D7; // Reset Databit |
wim | 26:bd897a001012 | 3371 | } |
wim | 21:9eb628d9e164 | 3372 | |
wim | 37:ce348c002929 | 3373 | // write the new data to the SPI portexpander |
wim | 37:ce348c002929 | 3374 | _cs = 0; |
wim | 37:ce348c002929 | 3375 | _spi->write(_lcd_bus); |
wim | 37:ce348c002929 | 3376 | _cs = 1; |
wim | 22:35742ec80c24 | 3377 | } |
wim | 21:9eb628d9e164 | 3378 | |
wim | 37:ce348c002929 | 3379 | #endif /* SPI Expander SN74595 */ |
wim | 37:ce348c002929 | 3380 | //---------- End TextLCD_SPI ------------ |
wim | 21:9eb628d9e164 | 3381 | |
wim | 21:9eb628d9e164 | 3382 | |
wim | 28:30fa94f7341c | 3383 | //--------- Start TextLCD_I2C_N --------- |
wim | 34:e5a0dcb43ecc | 3384 | #if(LCD_I2C_N == 1) /* Native I2C */ |
wim | 28:30fa94f7341c | 3385 | |
wim | 28:30fa94f7341c | 3386 | /** Create a TextLCD interface using a controller with native I2C interface |
wim | 28:30fa94f7341c | 3387 | * |
wim | 28:30fa94f7341c | 3388 | * @param i2c I2C Bus |
wim | 28:30fa94f7341c | 3389 | * @param deviceAddress I2C slave address (default = 0x7C) |
wim | 28:30fa94f7341c | 3390 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
wim | 28:30fa94f7341c | 3391 | * @param bl Backlight control line (optional, default = NC) |
wim | 28:30fa94f7341c | 3392 | * @param ctrl LCD controller (default = ST7032_3V3) |
wim | 28:30fa94f7341c | 3393 | */ |
wim | 28:30fa94f7341c | 3394 | TextLCD_I2C_N::TextLCD_I2C_N(I2C *i2c, char deviceAddress, LCDType type, PinName bl, LCDCtrl ctrl) : |
wim | 28:30fa94f7341c | 3395 | TextLCD_Base(type, ctrl), |
wim | 32:59c4b8f648d4 | 3396 | |
wim | 33:900a94bc7585 | 3397 | _i2c(i2c){ |
wim | 30:033048611c01 | 3398 | |
wim | 28:30fa94f7341c | 3399 | _slaveAddress = deviceAddress & 0xFE; |
wim | 28:30fa94f7341c | 3400 | |
wim | 28:30fa94f7341c | 3401 | // Setup the I2C bus |
wim | 29:a3663151aa65 | 3402 | // The max bitrate for ST7032i is 400kbit, lets stick to default here |
wim | 29:a3663151aa65 | 3403 | _i2c->frequency(100000); |
wim | 32:59c4b8f648d4 | 3404 | |
wim | 30:033048611c01 | 3405 | |
wim | 28:30fa94f7341c | 3406 | // The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access. |
wim | 28:30fa94f7341c | 3407 | if (bl != NC) { |
wim | 28:30fa94f7341c | 3408 | _bl = new DigitalOut(bl); //Construct new pin |
wim | 28:30fa94f7341c | 3409 | _bl->write(0); //Deactivate |
wim | 28:30fa94f7341c | 3410 | } |
wim | 28:30fa94f7341c | 3411 | else { |
wim | 28:30fa94f7341c | 3412 | // No Hardware Backlight pin |
wim | 28:30fa94f7341c | 3413 | _bl = NULL; //Construct dummy pin |
wim | 28:30fa94f7341c | 3414 | } |
wim | 28:30fa94f7341c | 3415 | |
wim | 30:033048611c01 | 3416 | //Sanity check |
wim | 30:033048611c01 | 3417 | if (_ctrl & LCD_C_I2C) { |
wim | 36:9f5f86dfd44a | 3418 | _init(_LCD_DL_8); // Set Datalength to 8 bit for all native serial interfaces |
wim | 30:033048611c01 | 3419 | } |
wim | 30:033048611c01 | 3420 | else { |
wim | 30:033048611c01 | 3421 | error("Error: LCD Controller type does not support native I2C interface\n\r"); |
wim | 30:033048611c01 | 3422 | } |
wim | 28:30fa94f7341c | 3423 | } |
wim | 28:30fa94f7341c | 3424 | |
wim | 28:30fa94f7341c | 3425 | TextLCD_I2C_N::~TextLCD_I2C_N() { |
wim | 28:30fa94f7341c | 3426 | if (_bl != NULL) {delete _bl;} // BL pin |
wim | 28:30fa94f7341c | 3427 | } |
wim | 28:30fa94f7341c | 3428 | |
wim | 28:30fa94f7341c | 3429 | // Not used in this mode |
wim | 28:30fa94f7341c | 3430 | void TextLCD_I2C_N::_setEnable(bool value) { |
wim | 28:30fa94f7341c | 3431 | } |
wim | 28:30fa94f7341c | 3432 | |
wim | 28:30fa94f7341c | 3433 | // Set RS pin |
wim | 28:30fa94f7341c | 3434 | // Used for mbed pins, I2C bus expander or SPI shiftregister and native I2C or SPI |
wim | 28:30fa94f7341c | 3435 | void TextLCD_I2C_N::_setRS(bool value) { |
wim | 30:033048611c01 | 3436 | // The controlbyte defines the meaning of the next byte. This next byte can either be data or command. |
wim | 30:033048611c01 | 3437 | // Start Slaveaddress+RW b7 b6 b5 b4 b3 b2 b1 b0 b7...........b0 Stop |
wim | 30:033048611c01 | 3438 | // Co RS RW 0 0 0 0 0 command or data |
wim | 30:033048611c01 | 3439 | // |
wim | 30:033048611c01 | 3440 | // C0=1 indicates that another controlbyte will follow after the next data or command byte |
wim | 30:033048611c01 | 3441 | // RS=1 means that next byte is data, RS=0 means that next byte is command |
wim | 30:033048611c01 | 3442 | // RW=0 means write to controller. RW=1 means that controller will be read from after the next command. |
wim | 30:033048611c01 | 3443 | // Many native I2C controllers dont support this option and it is not used by this lib. |
wim | 30:033048611c01 | 3444 | // |
wim | 30:033048611c01 | 3445 | |
wim | 28:30fa94f7341c | 3446 | if (value) { |
wim | 28:30fa94f7341c | 3447 | _controlbyte = 0x40; // Next byte is data, No more control bytes will follow |
wim | 28:30fa94f7341c | 3448 | } |
wim | 28:30fa94f7341c | 3449 | else { |
wim | 28:30fa94f7341c | 3450 | _controlbyte = 0x00; // Next byte is command, No more control bytes will follow |
wim | 28:30fa94f7341c | 3451 | } |
wim | 28:30fa94f7341c | 3452 | } |
wim | 28:30fa94f7341c | 3453 | |
wim | 28:30fa94f7341c | 3454 | // Set BL pin |
wim | 28:30fa94f7341c | 3455 | void TextLCD_I2C_N::_setBL(bool value) { |
wim | 28:30fa94f7341c | 3456 | if (_bl) { |
wim | 28:30fa94f7341c | 3457 | _bl->write(value); |
wim | 28:30fa94f7341c | 3458 | } |
wim | 28:30fa94f7341c | 3459 | } |
wim | 29:a3663151aa65 | 3460 | |
wim | 29:a3663151aa65 | 3461 | // Not used in this mode |
wim | 29:a3663151aa65 | 3462 | void TextLCD_I2C_N::_setData(int value) { |
wim | 29:a3663151aa65 | 3463 | } |
wim | 29:a3663151aa65 | 3464 | |
wim | 28:30fa94f7341c | 3465 | // Write a byte using I2C |
wim | 28:30fa94f7341c | 3466 | void TextLCD_I2C_N::_writeByte(int value) { |
wim | 30:033048611c01 | 3467 | // The controlbyte defines the meaning of the next byte. This next byte can either be data or command. |
wim | 30:033048611c01 | 3468 | // Start Slaveaddress+RW b7 b6 b5 b4 b3 b2 b1 b0 b7...........b0 Stop |
wim | 30:033048611c01 | 3469 | // Co RS RW 0 0 0 0 0 command or data |
wim | 30:033048611c01 | 3470 | // |
wim | 30:033048611c01 | 3471 | // C0=1 indicates that another controlbyte will follow after the next data or command byte |
wim | 30:033048611c01 | 3472 | // RS=1 means that next byte is data, RS=0 means that next byte is command |
wim | 30:033048611c01 | 3473 | // RW=0 means write to controller. RW=1 means that controller will be read from after the next command. |
wim | 30:033048611c01 | 3474 | // Many native I2C controllers dont support this option and it is not used by this lib. |
wim | 30:033048611c01 | 3475 | // |
wim | 28:30fa94f7341c | 3476 | char data[] = {_controlbyte, value}; |
wim | 28:30fa94f7341c | 3477 | |
wim | 32:59c4b8f648d4 | 3478 | #if(LCD_I2C_ACK==1) |
wim | 32:59c4b8f648d4 | 3479 | //Controllers that support ACK |
wim | 30:033048611c01 | 3480 | _i2c->write(_slaveAddress, data, 2); |
wim | 32:59c4b8f648d4 | 3481 | #else |
wim | 32:59c4b8f648d4 | 3482 | //Controllers that dont support ACK |
wim | 37:ce348c002929 | 3483 | //Note: This may be issue with some mbed platforms that dont fully/correctly support I2C byte operations. |
wim | 32:59c4b8f648d4 | 3484 | _i2c->start(); |
wim | 32:59c4b8f648d4 | 3485 | _i2c->write(_slaveAddress); |
wim | 32:59c4b8f648d4 | 3486 | _i2c->write(data[0]); |
wim | 32:59c4b8f648d4 | 3487 | _i2c->write(data[1]); |
wim | 32:59c4b8f648d4 | 3488 | _i2c->stop(); |
wim | 32:59c4b8f648d4 | 3489 | #endif |
wim | 28:30fa94f7341c | 3490 | } |
wim | 34:e5a0dcb43ecc | 3491 | #endif /* Native I2C */ |
wim | 28:30fa94f7341c | 3492 | //-------- End TextLCD_I2C_N ------------ |
wim | 28:30fa94f7341c | 3493 | |
wim | 28:30fa94f7341c | 3494 | |
wim | 25:6162b31128c9 | 3495 | //--------- Start TextLCD_SPI_N --------- |
wim | 34:e5a0dcb43ecc | 3496 | #if(LCD_SPI_N == 1) /* Native SPI bus */ |
wim | 30:033048611c01 | 3497 | /** Create a TextLCD interface using a controller with a native SPI4 interface |
Sissors | 24:fb3399713710 | 3498 | * |
Sissors | 24:fb3399713710 | 3499 | * @param spi SPI Bus |
Sissors | 24:fb3399713710 | 3500 | * @param cs chip select pin (active low) |
wim | 25:6162b31128c9 | 3501 | * @param rs Instruction/data control line |
Sissors | 24:fb3399713710 | 3502 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
wim | 25:6162b31128c9 | 3503 | * @param bl Backlight control line (optional, default = NC) |
wim | 26:bd897a001012 | 3504 | * @param ctrl LCD controller (default = ST7032_3V3) |
wim | 25:6162b31128c9 | 3505 | */ |
wim | 25:6162b31128c9 | 3506 | TextLCD_SPI_N::TextLCD_SPI_N(SPI *spi, PinName cs, PinName rs, LCDType type, PinName bl, LCDCtrl ctrl) : |
wim | 25:6162b31128c9 | 3507 | TextLCD_Base(type, ctrl), |
wim | 25:6162b31128c9 | 3508 | _spi(spi), |
wim | 25:6162b31128c9 | 3509 | _cs(cs), |
wim | 25:6162b31128c9 | 3510 | _rs(rs) { |
Sissors | 24:fb3399713710 | 3511 | |
wim | 32:59c4b8f648d4 | 3512 | // Init CS |
wim | 32:59c4b8f648d4 | 3513 | _cs = 1; |
wim | 32:59c4b8f648d4 | 3514 | |
wim | 36:9f5f86dfd44a | 3515 | // Setup the spi for 8 bit data, high steady state clock, |
wim | 36:9f5f86dfd44a | 3516 | // rising edge capture, with a 500KHz or 1MHz clock rate |
wim | 36:9f5f86dfd44a | 3517 | // _spi->format(8,3); |
wim | 37:ce348c002929 | 3518 | // _spi->frequency(500000); |
wim | 36:9f5f86dfd44a | 3519 | // _spi->frequency(1000000); |
wim | 36:9f5f86dfd44a | 3520 | |
Sissors | 24:fb3399713710 | 3521 | // Setup the spi for 8 bit data, low steady state clock, |
Sissors | 24:fb3399713710 | 3522 | // rising edge capture, with a 500KHz or 1MHz clock rate |
Sissors | 24:fb3399713710 | 3523 | _spi->format(8,0); |
wim | 36:9f5f86dfd44a | 3524 | // _spi->frequency(500000); |
Sissors | 24:fb3399713710 | 3525 | _spi->frequency(1000000); |
wim | 36:9f5f86dfd44a | 3526 | |
Sissors | 24:fb3399713710 | 3527 | // The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access. |
Sissors | 24:fb3399713710 | 3528 | if (bl != NC) { |
Sissors | 24:fb3399713710 | 3529 | _bl = new DigitalOut(bl); //Construct new pin |
Sissors | 24:fb3399713710 | 3530 | _bl->write(0); //Deactivate |
Sissors | 24:fb3399713710 | 3531 | } |
Sissors | 24:fb3399713710 | 3532 | else { |
Sissors | 24:fb3399713710 | 3533 | // No Hardware Backlight pin |
Sissors | 24:fb3399713710 | 3534 | _bl = NULL; //Construct dummy pin |
Sissors | 24:fb3399713710 | 3535 | } |
wim | 30:033048611c01 | 3536 | |
wim | 30:033048611c01 | 3537 | //Sanity check |
wim | 30:033048611c01 | 3538 | if (_ctrl & LCD_C_SPI4) { |
wim | 36:9f5f86dfd44a | 3539 | _init(_LCD_DL_8); // Set Datalength to 8 bit for all native serial interfaces |
wim | 36:9f5f86dfd44a | 3540 | // ST7070 must set datalength to 8 bits! |
wim | 30:033048611c01 | 3541 | } |
wim | 30:033048611c01 | 3542 | else { |
wim | 30:033048611c01 | 3543 | error("Error: LCD Controller type does not support native SPI4 interface\n\r"); |
wim | 30:033048611c01 | 3544 | } |
Sissors | 24:fb3399713710 | 3545 | } |
Sissors | 24:fb3399713710 | 3546 | |
wim | 25:6162b31128c9 | 3547 | TextLCD_SPI_N::~TextLCD_SPI_N() { |
Sissors | 24:fb3399713710 | 3548 | if (_bl != NULL) {delete _bl;} // BL pin |
Sissors | 24:fb3399713710 | 3549 | } |
Sissors | 24:fb3399713710 | 3550 | |
Sissors | 24:fb3399713710 | 3551 | // Not used in this mode |
wim | 25:6162b31128c9 | 3552 | void TextLCD_SPI_N::_setEnable(bool value) { |
Sissors | 24:fb3399713710 | 3553 | } |
Sissors | 24:fb3399713710 | 3554 | |
Sissors | 24:fb3399713710 | 3555 | // Set RS pin |
wim | 36:9f5f86dfd44a | 3556 | // Used for mbed pins, I2C bus expander or SPI shiftregister, SPI_N |
wim | 25:6162b31128c9 | 3557 | void TextLCD_SPI_N::_setRS(bool value) { |
Sissors | 24:fb3399713710 | 3558 | _rs = value; |
Sissors | 24:fb3399713710 | 3559 | } |
Sissors | 24:fb3399713710 | 3560 | |
Sissors | 24:fb3399713710 | 3561 | // Set BL pin |
wim | 25:6162b31128c9 | 3562 | void TextLCD_SPI_N::_setBL(bool value) { |
wim | 26:bd897a001012 | 3563 | if (_bl) { |
Sissors | 24:fb3399713710 | 3564 | _bl->write(value); |
wim | 26:bd897a001012 | 3565 | } |
Sissors | 24:fb3399713710 | 3566 | } |
Sissors | 24:fb3399713710 | 3567 | |
wim | 29:a3663151aa65 | 3568 | // Not used in this mode |
wim | 29:a3663151aa65 | 3569 | void TextLCD_SPI_N::_setData(int value) { |
wim | 29:a3663151aa65 | 3570 | } |
wim | 29:a3663151aa65 | 3571 | |
Sissors | 24:fb3399713710 | 3572 | // Write a byte using SPI |
wim | 25:6162b31128c9 | 3573 | void TextLCD_SPI_N::_writeByte(int value) { |
Sissors | 24:fb3399713710 | 3574 | _cs = 0; |
Sissors | 24:fb3399713710 | 3575 | wait_us(1); |
Sissors | 24:fb3399713710 | 3576 | _spi->write(value); |
Sissors | 24:fb3399713710 | 3577 | wait_us(1); |
Sissors | 24:fb3399713710 | 3578 | _cs = 1; |
Sissors | 24:fb3399713710 | 3579 | } |
wim | 34:e5a0dcb43ecc | 3580 | #endif /* Native SPI bus */ |
wim | 25:6162b31128c9 | 3581 | //-------- End TextLCD_SPI_N ------------ |
wim | 21:9eb628d9e164 | 3582 | |
wim | 21:9eb628d9e164 | 3583 | |
wim | 36:9f5f86dfd44a | 3584 | //-------- Start TextLCD_SPI_N_3_8 -------- |
wim | 36:9f5f86dfd44a | 3585 | #if(LCD_SPI_N_3_8 == 1) /* Native SPI bus */ |
wim | 36:9f5f86dfd44a | 3586 | |
wim | 36:9f5f86dfd44a | 3587 | /** Create a TextLCD interface using a controller with a native SPI3 8 bits interface |
wim | 36:9f5f86dfd44a | 3588 | * This mode is supported by ST7070. Note that implementation in TexTLCD is not very efficient due to |
wim | 36:9f5f86dfd44a | 3589 | * structure of the TextLCD library: each databyte is written separately and requires a separate 'count command' set to 1 byte. |
wim | 36:9f5f86dfd44a | 3590 | * |
wim | 36:9f5f86dfd44a | 3591 | * @param spi SPI Bus |
wim | 36:9f5f86dfd44a | 3592 | * @param cs chip select pin (active low) |
wim | 36:9f5f86dfd44a | 3593 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
wim | 36:9f5f86dfd44a | 3594 | * @param bl Backlight control line (optional, default = NC) |
wim | 36:9f5f86dfd44a | 3595 | * @param ctrl LCD controller (default = ST7070) |
wim | 36:9f5f86dfd44a | 3596 | */ |
wim | 36:9f5f86dfd44a | 3597 | TextLCD_SPI_N_3_8::TextLCD_SPI_N_3_8(SPI *spi, PinName cs, LCDType type, PinName bl, LCDCtrl ctrl) : |
wim | 36:9f5f86dfd44a | 3598 | TextLCD_Base(type, ctrl), |
wim | 36:9f5f86dfd44a | 3599 | _spi(spi), |
wim | 36:9f5f86dfd44a | 3600 | _cs(cs) { |
wim | 36:9f5f86dfd44a | 3601 | |
wim | 36:9f5f86dfd44a | 3602 | // Init CS |
wim | 36:9f5f86dfd44a | 3603 | _cs = 1; |
wim | 36:9f5f86dfd44a | 3604 | |
wim | 36:9f5f86dfd44a | 3605 | // Setup the spi for 8 bit data, high steady state clock, |
wim | 36:9f5f86dfd44a | 3606 | // rising edge capture, with a 500KHz or 1MHz clock rate |
wim | 36:9f5f86dfd44a | 3607 | // _spi->format(8,3); |
wim | 37:ce348c002929 | 3608 | // _spi->frequency(500000); |
wim | 36:9f5f86dfd44a | 3609 | // _spi->frequency(1000000); |
wim | 36:9f5f86dfd44a | 3610 | |
wim | 36:9f5f86dfd44a | 3611 | // Setup the spi for 8 bit data, low steady state clock, |
wim | 36:9f5f86dfd44a | 3612 | // rising edge capture, with a 500KHz or 1MHz clock rate |
wim | 36:9f5f86dfd44a | 3613 | _spi->format(8,0); |
wim | 36:9f5f86dfd44a | 3614 | // _spi->frequency(500000); |
wim | 36:9f5f86dfd44a | 3615 | _spi->frequency(1000000); |
wim | 36:9f5f86dfd44a | 3616 | |
wim | 36:9f5f86dfd44a | 3617 | |
wim | 36:9f5f86dfd44a | 3618 | // The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access. |
wim | 36:9f5f86dfd44a | 3619 | if (bl != NC) { |
wim | 36:9f5f86dfd44a | 3620 | _bl = new DigitalOut(bl); //Construct new pin |
wim | 36:9f5f86dfd44a | 3621 | _bl->write(0); //Deactivate |
wim | 36:9f5f86dfd44a | 3622 | } |
wim | 36:9f5f86dfd44a | 3623 | else { |
wim | 36:9f5f86dfd44a | 3624 | // No Hardware Backlight pin |
wim | 36:9f5f86dfd44a | 3625 | _bl = NULL; //Construct dummy pin |
wim | 36:9f5f86dfd44a | 3626 | } |
wim | 36:9f5f86dfd44a | 3627 | |
wim | 36:9f5f86dfd44a | 3628 | //Sanity check |
wim | 36:9f5f86dfd44a | 3629 | if (_ctrl & LCD_C_SPI3_8) { |
wim | 36:9f5f86dfd44a | 3630 | _init(_LCD_DL_8); // Set Datalength to 8 bit for all native serial interfaces |
wim | 36:9f5f86dfd44a | 3631 | } |
wim | 36:9f5f86dfd44a | 3632 | else { |
wim | 36:9f5f86dfd44a | 3633 | error("Error: LCD Controller type does not support native SPI3 8 bits interface\n\r"); |
wim | 36:9f5f86dfd44a | 3634 | } |
wim | 36:9f5f86dfd44a | 3635 | } |
wim | 36:9f5f86dfd44a | 3636 | |
wim | 36:9f5f86dfd44a | 3637 | TextLCD_SPI_N_3_8::~TextLCD_SPI_N_3_8() { |
wim | 36:9f5f86dfd44a | 3638 | if (_bl != NULL) {delete _bl;} // BL pin |
wim | 36:9f5f86dfd44a | 3639 | } |
wim | 36:9f5f86dfd44a | 3640 | |
wim | 36:9f5f86dfd44a | 3641 | // Not used in this mode |
wim | 36:9f5f86dfd44a | 3642 | void TextLCD_SPI_N_3_8::_setEnable(bool value) { |
wim | 36:9f5f86dfd44a | 3643 | } |
wim | 36:9f5f86dfd44a | 3644 | |
wim | 36:9f5f86dfd44a | 3645 | // Used for mbed pins, I2C bus expander or SPI shiftregister, SPI_N |
wim | 36:9f5f86dfd44a | 3646 | // RS=1 means that next byte is data, RS=0 means that next byte is command |
wim | 36:9f5f86dfd44a | 3647 | void TextLCD_SPI_N_3_8::_setRS(bool value) { |
wim | 36:9f5f86dfd44a | 3648 | |
wim | 36:9f5f86dfd44a | 3649 | if (value) { |
wim | 36:9f5f86dfd44a | 3650 | _controlbyte = 0x01; // Next byte is data, No more control bytes will follow |
wim | 36:9f5f86dfd44a | 3651 | } |
wim | 36:9f5f86dfd44a | 3652 | else { |
wim | 36:9f5f86dfd44a | 3653 | _controlbyte = 0x00; // Next byte is command, No more control bytes will follow |
wim | 36:9f5f86dfd44a | 3654 | } |
wim | 36:9f5f86dfd44a | 3655 | } |
wim | 36:9f5f86dfd44a | 3656 | |
wim | 36:9f5f86dfd44a | 3657 | // Set BL pin |
wim | 36:9f5f86dfd44a | 3658 | void TextLCD_SPI_N_3_8::_setBL(bool value) { |
wim | 36:9f5f86dfd44a | 3659 | if (_bl) { |
wim | 36:9f5f86dfd44a | 3660 | _bl->write(value); |
wim | 36:9f5f86dfd44a | 3661 | } |
wim | 36:9f5f86dfd44a | 3662 | } |
wim | 36:9f5f86dfd44a | 3663 | |
wim | 36:9f5f86dfd44a | 3664 | // Not used in this mode |
wim | 36:9f5f86dfd44a | 3665 | void TextLCD_SPI_N_3_8::_setData(int value) { |
wim | 36:9f5f86dfd44a | 3666 | } |
wim | 36:9f5f86dfd44a | 3667 | |
wim | 36:9f5f86dfd44a | 3668 | // Write a byte using SPI3 8 bits mode (ST7070) |
wim | 36:9f5f86dfd44a | 3669 | void TextLCD_SPI_N_3_8::_writeByte(int value) { |
wim | 36:9f5f86dfd44a | 3670 | |
wim | 36:9f5f86dfd44a | 3671 | if (_controlbyte == 0x00) { // Byte is command |
wim | 36:9f5f86dfd44a | 3672 | _cs = 0; |
wim | 36:9f5f86dfd44a | 3673 | wait_us(1); |
wim | 36:9f5f86dfd44a | 3674 | _spi->write(value); |
wim | 36:9f5f86dfd44a | 3675 | wait_us(1); |
wim | 36:9f5f86dfd44a | 3676 | _cs = 1; |
wim | 36:9f5f86dfd44a | 3677 | } |
wim | 36:9f5f86dfd44a | 3678 | else { // Byte is data |
wim | 36:9f5f86dfd44a | 3679 | // Select Extended Instr Set |
wim | 36:9f5f86dfd44a | 3680 | _cs = 0; |
wim | 36:9f5f86dfd44a | 3681 | wait_us(1); |
wim | 36:9f5f86dfd44a | 3682 | _spi->write(0x20 | _function | 0x04); // Set function, 0 0 1 DL N EXT=1 x x (Select Instr Set = 1)); |
wim | 36:9f5f86dfd44a | 3683 | wait_us(1); |
wim | 36:9f5f86dfd44a | 3684 | _cs = 1; |
wim | 36:9f5f86dfd44a | 3685 | |
wim | 36:9f5f86dfd44a | 3686 | wait_us(40); // Wait until command has finished... |
wim | 36:9f5f86dfd44a | 3687 | |
wim | 36:9f5f86dfd44a | 3688 | // Set Count to 1 databyte |
wim | 36:9f5f86dfd44a | 3689 | _cs = 0; |
wim | 36:9f5f86dfd44a | 3690 | wait_us(1); |
wim | 36:9f5f86dfd44a | 3691 | _spi->write(0x80); // Set display data length, 1 L6 L5 L4 L3 L2 L1 L0 (Instr Set = 1) |
wim | 36:9f5f86dfd44a | 3692 | wait_us(1); |
wim | 36:9f5f86dfd44a | 3693 | _cs = 1; |
wim | 36:9f5f86dfd44a | 3694 | |
wim | 36:9f5f86dfd44a | 3695 | wait_us(40); |
wim | 36:9f5f86dfd44a | 3696 | |
wim | 36:9f5f86dfd44a | 3697 | // Write 1 databyte |
wim | 36:9f5f86dfd44a | 3698 | _cs = 0; |
wim | 36:9f5f86dfd44a | 3699 | wait_us(1); |
wim | 36:9f5f86dfd44a | 3700 | _spi->write(value); // Write data (Instr Set = 1) |
wim | 36:9f5f86dfd44a | 3701 | wait_us(1); |
wim | 36:9f5f86dfd44a | 3702 | _cs = 1; |
wim | 36:9f5f86dfd44a | 3703 | |
wim | 36:9f5f86dfd44a | 3704 | wait_us(40); |
wim | 36:9f5f86dfd44a | 3705 | |
wim | 36:9f5f86dfd44a | 3706 | // Select Standard Instr Set |
wim | 36:9f5f86dfd44a | 3707 | _cs = 0; |
wim | 36:9f5f86dfd44a | 3708 | wait_us(1); |
wim | 36:9f5f86dfd44a | 3709 | _spi->write(0x20 | _function); // Set function, 0 0 1 DL N EXT=0 x x (Select Instr Set = 0)); |
wim | 36:9f5f86dfd44a | 3710 | wait_us(1); |
wim | 36:9f5f86dfd44a | 3711 | _cs = 1; |
wim | 36:9f5f86dfd44a | 3712 | } |
wim | 36:9f5f86dfd44a | 3713 | } |
wim | 36:9f5f86dfd44a | 3714 | #endif /* Native SPI bus */ |
wim | 36:9f5f86dfd44a | 3715 | //------- End TextLCD_SPI_N_3_8 ----------- |
wim | 36:9f5f86dfd44a | 3716 | |
wim | 36:9f5f86dfd44a | 3717 | |
wim | 30:033048611c01 | 3718 | //-------- Start TextLCD_SPI_N_3_9 -------- |
wim | 34:e5a0dcb43ecc | 3719 | #if(LCD_SPI_N_3_9 == 1) /* Native SPI bus */ |
wim | 34:e5a0dcb43ecc | 3720 | //Code checked out on logic analyser. Not yet tested on hardware.. |
wim | 30:033048611c01 | 3721 | |
wim | 30:033048611c01 | 3722 | /** Create a TextLCD interface using a controller with a native SPI3 9 bits interface |
wim | 30:033048611c01 | 3723 | * |
wim | 30:033048611c01 | 3724 | * @param spi SPI Bus |
wim | 30:033048611c01 | 3725 | * @param cs chip select pin (active low) |
wim | 30:033048611c01 | 3726 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
wim | 30:033048611c01 | 3727 | * @param bl Backlight control line (optional, default = NC) |
wim | 30:033048611c01 | 3728 | * @param ctrl LCD controller (default = AIP31068) |
wim | 30:033048611c01 | 3729 | */ |
wim | 30:033048611c01 | 3730 | TextLCD_SPI_N_3_9::TextLCD_SPI_N_3_9(SPI *spi, PinName cs, LCDType type, PinName bl, LCDCtrl ctrl) : |
wim | 30:033048611c01 | 3731 | TextLCD_Base(type, ctrl), |
wim | 30:033048611c01 | 3732 | _spi(spi), |
wim | 33:900a94bc7585 | 3733 | _cs(cs) { |
wim | 32:59c4b8f648d4 | 3734 | |
wim | 32:59c4b8f648d4 | 3735 | // Init CS |
wim | 32:59c4b8f648d4 | 3736 | _cs = 1; |
wim | 32:59c4b8f648d4 | 3737 | |
wim | 34:e5a0dcb43ecc | 3738 | // Setup the spi for 9 bit data, high steady state clock, |
wim | 30:033048611c01 | 3739 | // rising edge capture, with a 500KHz or 1MHz clock rate |
wim | 32:59c4b8f648d4 | 3740 | _spi->format(9,3); |
wim | 30:033048611c01 | 3741 | _spi->frequency(1000000); |
wim | 30:033048611c01 | 3742 | |
wim | 30:033048611c01 | 3743 | // The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access. |
wim | 30:033048611c01 | 3744 | if (bl != NC) { |
wim | 30:033048611c01 | 3745 | _bl = new DigitalOut(bl); //Construct new pin |
wim | 30:033048611c01 | 3746 | _bl->write(0); //Deactivate |
wim | 30:033048611c01 | 3747 | } |
wim | 30:033048611c01 | 3748 | else { |
wim | 30:033048611c01 | 3749 | // No Hardware Backlight pin |
wim | 30:033048611c01 | 3750 | _bl = NULL; //Construct dummy pin |
wim | 30:033048611c01 | 3751 | } |
wim | 30:033048611c01 | 3752 | |
wim | 30:033048611c01 | 3753 | //Sanity check |
wim | 36:9f5f86dfd44a | 3754 | if (_ctrl & LCD_C_SPI3_9) { |
wim | 36:9f5f86dfd44a | 3755 | _init(_LCD_DL_8); // Set Datalength to 8 bit for all native serial interfaces |
wim | 30:033048611c01 | 3756 | } |
wim | 30:033048611c01 | 3757 | else { |
wim | 30:033048611c01 | 3758 | error("Error: LCD Controller type does not support native SPI3 9 bits interface\n\r"); |
wim | 30:033048611c01 | 3759 | } |
wim | 30:033048611c01 | 3760 | } |
wim | 30:033048611c01 | 3761 | |
wim | 30:033048611c01 | 3762 | TextLCD_SPI_N_3_9::~TextLCD_SPI_N_3_9() { |
wim | 30:033048611c01 | 3763 | if (_bl != NULL) {delete _bl;} // BL pin |
wim | 30:033048611c01 | 3764 | } |
wim | 30:033048611c01 | 3765 | |
wim | 30:033048611c01 | 3766 | // Not used in this mode |
wim | 30:033048611c01 | 3767 | void TextLCD_SPI_N_3_9::_setEnable(bool value) { |
wim | 30:033048611c01 | 3768 | } |
wim | 30:033048611c01 | 3769 | |
wim | 30:033048611c01 | 3770 | // Set RS pin |
wim | 30:033048611c01 | 3771 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
wim | 30:033048611c01 | 3772 | void TextLCD_SPI_N_3_9::_setRS(bool value) { |
wim | 30:033048611c01 | 3773 | // The controlbits define the meaning of the next byte. This next byte can either be data or command. |
wim | 30:033048611c01 | 3774 | // b8 b7...........b0 |
wim | 30:033048611c01 | 3775 | // RS command or data |
wim | 30:033048611c01 | 3776 | // |
wim | 30:033048611c01 | 3777 | // RS=1 means that next byte is data, RS=0 means that next byte is command |
wim | 30:033048611c01 | 3778 | // |
wim | 30:033048611c01 | 3779 | |
wim | 30:033048611c01 | 3780 | if (value) { |
wim | 30:033048611c01 | 3781 | _controlbyte = 0x01; // Next byte is data |
wim | 30:033048611c01 | 3782 | } |
wim | 30:033048611c01 | 3783 | else { |
wim | 30:033048611c01 | 3784 | _controlbyte = 0x00; // Next byte is command |
wim | 34:e5a0dcb43ecc | 3785 | } |
wim | 30:033048611c01 | 3786 | } |
wim | 30:033048611c01 | 3787 | |
wim | 30:033048611c01 | 3788 | // Set BL pin |
wim | 30:033048611c01 | 3789 | void TextLCD_SPI_N_3_9::_setBL(bool value) { |
wim | 30:033048611c01 | 3790 | if (_bl) { |
wim | 30:033048611c01 | 3791 | _bl->write(value); |
wim | 30:033048611c01 | 3792 | } |
wim | 30:033048611c01 | 3793 | } |
wim | 30:033048611c01 | 3794 | |
wim | 30:033048611c01 | 3795 | // Not used in this mode |
wim | 30:033048611c01 | 3796 | void TextLCD_SPI_N_3_9::_setData(int value) { |
wim | 30:033048611c01 | 3797 | } |
wim | 30:033048611c01 | 3798 | |
wim | 30:033048611c01 | 3799 | // Write a byte using SPI3 9 bits mode |
wim | 30:033048611c01 | 3800 | void TextLCD_SPI_N_3_9::_writeByte(int value) { |
wim | 30:033048611c01 | 3801 | _cs = 0; |
wim | 30:033048611c01 | 3802 | wait_us(1); |
wim | 30:033048611c01 | 3803 | _spi->write( (_controlbyte << 8) | (value & 0xFF)); |
wim | 30:033048611c01 | 3804 | wait_us(1); |
wim | 30:033048611c01 | 3805 | _cs = 1; |
wim | 30:033048611c01 | 3806 | } |
wim | 34:e5a0dcb43ecc | 3807 | #endif /* Native SPI bus */ |
wim | 30:033048611c01 | 3808 | //------- End TextLCD_SPI_N_3_9 ----------- |
wim | 34:e5a0dcb43ecc | 3809 | |
wim | 34:e5a0dcb43ecc | 3810 | |
wim | 30:033048611c01 | 3811 | //------- Start TextLCD_SPI_N_3_10 -------- |
wim | 34:e5a0dcb43ecc | 3812 | #if(LCD_SPI_N_3_10 == 1) /* Native SPI bus */ |
wim | 30:033048611c01 | 3813 | |
wim | 30:033048611c01 | 3814 | /** Create a TextLCD interface using a controller with a native SPI3 10 bits interface |
wim | 30:033048611c01 | 3815 | * |
wim | 30:033048611c01 | 3816 | * @param spi SPI Bus |
wim | 30:033048611c01 | 3817 | * @param cs chip select pin (active low) |
wim | 30:033048611c01 | 3818 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
wim | 30:033048611c01 | 3819 | * @param bl Backlight control line (optional, default = NC) |
wim | 30:033048611c01 | 3820 | * @param ctrl LCD controller (default = AIP31068) |
wim | 30:033048611c01 | 3821 | */ |
wim | 30:033048611c01 | 3822 | TextLCD_SPI_N_3_10::TextLCD_SPI_N_3_10(SPI *spi, PinName cs, LCDType type, PinName bl, LCDCtrl ctrl) : |
wim | 30:033048611c01 | 3823 | TextLCD_Base(type, ctrl), |
wim | 30:033048611c01 | 3824 | _spi(spi), |
wim | 30:033048611c01 | 3825 | _cs(cs) { |
wim | 30:033048611c01 | 3826 | |
wim | 32:59c4b8f648d4 | 3827 | // Init CS |
wim | 32:59c4b8f648d4 | 3828 | _cs = 1; |
wim | 32:59c4b8f648d4 | 3829 | |
wim | 30:033048611c01 | 3830 | // Setup the spi for 10 bit data, low steady state clock, |
wim | 30:033048611c01 | 3831 | // rising edge capture, with a 500KHz or 1MHz clock rate |
wim | 30:033048611c01 | 3832 | _spi->format(10,0); |
wim | 30:033048611c01 | 3833 | _spi->frequency(1000000); |
wim | 30:033048611c01 | 3834 | |
wim | 30:033048611c01 | 3835 | // The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access. |
wim | 30:033048611c01 | 3836 | if (bl != NC) { |
wim | 30:033048611c01 | 3837 | _bl = new DigitalOut(bl); //Construct new pin |
wim | 30:033048611c01 | 3838 | _bl->write(0); //Deactivate |
wim | 30:033048611c01 | 3839 | } |
wim | 30:033048611c01 | 3840 | else { |
wim | 30:033048611c01 | 3841 | // No Hardware Backlight pin |
wim | 30:033048611c01 | 3842 | _bl = NULL; //Construct dummy pin |
wim | 30:033048611c01 | 3843 | } |
wim | 30:033048611c01 | 3844 | |
wim | 30:033048611c01 | 3845 | //Sanity check |
wim | 30:033048611c01 | 3846 | if (_ctrl & LCD_C_SPI3_10) { |
wim | 36:9f5f86dfd44a | 3847 | _init(_LCD_DL_8); // Set Datalength to 8 bit for all native serial interfaces |
wim | 30:033048611c01 | 3848 | } |
wim | 30:033048611c01 | 3849 | else { |
wim | 30:033048611c01 | 3850 | error("Error: LCD Controller type does not support native SPI3 10 bits interface\n\r"); |
wim | 30:033048611c01 | 3851 | } |
wim | 30:033048611c01 | 3852 | } |
wim | 30:033048611c01 | 3853 | |
wim | 30:033048611c01 | 3854 | TextLCD_SPI_N_3_10::~TextLCD_SPI_N_3_10() { |
wim | 30:033048611c01 | 3855 | if (_bl != NULL) {delete _bl;} // BL pin |
wim | 30:033048611c01 | 3856 | } |
wim | 30:033048611c01 | 3857 | |
wim | 30:033048611c01 | 3858 | // Not used in this mode |
wim | 30:033048611c01 | 3859 | void TextLCD_SPI_N_3_10::_setEnable(bool value) { |
wim | 30:033048611c01 | 3860 | } |
wim | 30:033048611c01 | 3861 | |
wim | 30:033048611c01 | 3862 | // Set RS pin |
wim | 30:033048611c01 | 3863 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
wim | 30:033048611c01 | 3864 | void TextLCD_SPI_N_3_10::_setRS(bool value) { |
wim | 30:033048611c01 | 3865 | // The controlbits define the meaning of the next byte. This next byte can either be data or command. |
wim | 30:033048611c01 | 3866 | // b9 b8 b7...........b0 |
wim | 30:033048611c01 | 3867 | // RS RW command or data |
wim | 30:033048611c01 | 3868 | // |
wim | 30:033048611c01 | 3869 | // RS=1 means that next byte is data, RS=0 means that next byte is command |
wim | 30:033048611c01 | 3870 | // RW=0 means that next byte is writen, RW=1 means that next byte is read (not used in this lib) |
wim | 30:033048611c01 | 3871 | // |
wim | 30:033048611c01 | 3872 | |
wim | 30:033048611c01 | 3873 | if (value) { |
wim | 30:033048611c01 | 3874 | _controlbyte = 0x02; // Next byte is data |
wim | 30:033048611c01 | 3875 | } |
wim | 30:033048611c01 | 3876 | else { |
wim | 30:033048611c01 | 3877 | _controlbyte = 0x00; // Next byte is command |
wim | 34:e5a0dcb43ecc | 3878 | } |
wim | 30:033048611c01 | 3879 | } |
wim | 30:033048611c01 | 3880 | |
wim | 30:033048611c01 | 3881 | // Set BL pin |
wim | 30:033048611c01 | 3882 | void TextLCD_SPI_N_3_10::_setBL(bool value) { |
wim | 30:033048611c01 | 3883 | if (_bl) { |
wim | 30:033048611c01 | 3884 | _bl->write(value); |
wim | 30:033048611c01 | 3885 | } |
wim | 30:033048611c01 | 3886 | } |
wim | 30:033048611c01 | 3887 | |
wim | 30:033048611c01 | 3888 | // Not used in this mode |
wim | 30:033048611c01 | 3889 | void TextLCD_SPI_N_3_10::_setData(int value) { |
wim | 30:033048611c01 | 3890 | } |
wim | 30:033048611c01 | 3891 | |
wim | 30:033048611c01 | 3892 | // Write a byte using SPI3 10 bits mode |
wim | 30:033048611c01 | 3893 | void TextLCD_SPI_N_3_10::_writeByte(int value) { |
wim | 30:033048611c01 | 3894 | _cs = 0; |
wim | 30:033048611c01 | 3895 | wait_us(1); |
wim | 30:033048611c01 | 3896 | _spi->write( (_controlbyte << 8) | (value & 0xFF)); |
wim | 30:033048611c01 | 3897 | wait_us(1); |
wim | 30:033048611c01 | 3898 | _cs = 1; |
wim | 30:033048611c01 | 3899 | } |
wim | 34:e5a0dcb43ecc | 3900 | #endif /* Native SPI bus */ |
wim | 30:033048611c01 | 3901 | //------- End TextLCD_SPI_N_3_10 ---------- |
wim | 34:e5a0dcb43ecc | 3902 | |
wim | 32:59c4b8f648d4 | 3903 | |
wim | 32:59c4b8f648d4 | 3904 | //------- Start TextLCD_SPI_N_3_16 -------- |
wim | 34:e5a0dcb43ecc | 3905 | #if(LCD_SPI_N_3_16 == 1) /* Native SPI bus */ |
wim | 32:59c4b8f648d4 | 3906 | |
wim | 32:59c4b8f648d4 | 3907 | /** Create a TextLCD interface using a controller with a native SPI3 16 bits interface |
wim | 32:59c4b8f648d4 | 3908 | * |
wim | 32:59c4b8f648d4 | 3909 | * @param spi SPI Bus |
wim | 32:59c4b8f648d4 | 3910 | * @param cs chip select pin (active low) |
wim | 32:59c4b8f648d4 | 3911 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
wim | 32:59c4b8f648d4 | 3912 | * @param bl Backlight control line (optional, default = NC) |
wim | 32:59c4b8f648d4 | 3913 | * @param ctrl LCD controller (default = PT6314) |
wim | 32:59c4b8f648d4 | 3914 | */ |
wim | 32:59c4b8f648d4 | 3915 | TextLCD_SPI_N_3_16::TextLCD_SPI_N_3_16(SPI *spi, PinName cs, LCDType type, PinName bl, LCDCtrl ctrl) : |
wim | 32:59c4b8f648d4 | 3916 | TextLCD_Base(type, ctrl), |
wim | 32:59c4b8f648d4 | 3917 | _spi(spi), |
wim | 32:59c4b8f648d4 | 3918 | _cs(cs) { |
wim | 32:59c4b8f648d4 | 3919 | |
wim | 32:59c4b8f648d4 | 3920 | // Init CS |
wim | 32:59c4b8f648d4 | 3921 | _cs = 1; |
wim | 32:59c4b8f648d4 | 3922 | |
wim | 32:59c4b8f648d4 | 3923 | // Setup the spi for 8 bit data, low steady state clock, |
wim | 32:59c4b8f648d4 | 3924 | // rising edge capture, with a 500KHz or 1MHz clock rate |
wim | 32:59c4b8f648d4 | 3925 | _spi->format(8,0); |
wim | 32:59c4b8f648d4 | 3926 | _spi->frequency(1000000); |
wim | 32:59c4b8f648d4 | 3927 | |
wim | 32:59c4b8f648d4 | 3928 | // The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access. |
wim | 32:59c4b8f648d4 | 3929 | if (bl != NC) { |
wim | 32:59c4b8f648d4 | 3930 | _bl = new DigitalOut(bl); //Construct new pin |
wim | 32:59c4b8f648d4 | 3931 | _bl->write(0); //Deactivate |
wim | 32:59c4b8f648d4 | 3932 | } |
wim | 32:59c4b8f648d4 | 3933 | else { |
wim | 32:59c4b8f648d4 | 3934 | // No Hardware Backlight pin |
wim | 32:59c4b8f648d4 | 3935 | _bl = NULL; //Construct dummy pin |
wim | 32:59c4b8f648d4 | 3936 | } |
wim | 32:59c4b8f648d4 | 3937 | |
wim | 32:59c4b8f648d4 | 3938 | //Sanity check |
wim | 32:59c4b8f648d4 | 3939 | if (_ctrl & LCD_C_SPI3_16) { |
wim | 36:9f5f86dfd44a | 3940 | _init(_LCD_DL_8); // Set Datalength to 8 bit for all native serial interfaces |
wim | 32:59c4b8f648d4 | 3941 | } |
wim | 32:59c4b8f648d4 | 3942 | else { |
wim | 32:59c4b8f648d4 | 3943 | error("Error: LCD Controller type does not support native SPI3 16 bits interface\n\r"); |
wim | 32:59c4b8f648d4 | 3944 | } |
wim | 32:59c4b8f648d4 | 3945 | } |
wim | 32:59c4b8f648d4 | 3946 | |
wim | 32:59c4b8f648d4 | 3947 | TextLCD_SPI_N_3_16::~TextLCD_SPI_N_3_16() { |
wim | 32:59c4b8f648d4 | 3948 | if (_bl != NULL) {delete _bl;} // BL pin |
wim | 32:59c4b8f648d4 | 3949 | } |
wim | 32:59c4b8f648d4 | 3950 | |
wim | 32:59c4b8f648d4 | 3951 | // Not used in this mode |
wim | 32:59c4b8f648d4 | 3952 | void TextLCD_SPI_N_3_16::_setEnable(bool value) { |
wim | 32:59c4b8f648d4 | 3953 | } |
wim | 32:59c4b8f648d4 | 3954 | |
wim | 32:59c4b8f648d4 | 3955 | // Set RS pin |
wim | 32:59c4b8f648d4 | 3956 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
wim | 32:59c4b8f648d4 | 3957 | void TextLCD_SPI_N_3_16::_setRS(bool value) { |
wim | 32:59c4b8f648d4 | 3958 | // 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 | 3959 | // The 8 actual bits represent either a data or a command byte. |
wim | 32:59c4b8f648d4 | 3960 | // b15 b14 b13 b12 b11 b10 b9 b8 - b7 b6 b5 b4 b3 b2 b1 b0 |
wim | 32:59c4b8f648d4 | 3961 | // 1 1 1 1 1 RW RS 0 d7 d6 d5 d4 d3 d2 d1 d0 |
wim | 32:59c4b8f648d4 | 3962 | // |
wim | 32:59c4b8f648d4 | 3963 | // RS=1 means that next byte is data, RS=0 means that next byte is command |
wim | 32:59c4b8f648d4 | 3964 | // RW=0 means that next byte is writen, RW=1 means that next byte is read (not used in this lib) |
wim | 32:59c4b8f648d4 | 3965 | // |
wim | 32:59c4b8f648d4 | 3966 | |
wim | 32:59c4b8f648d4 | 3967 | if (value) { |
wim | 32:59c4b8f648d4 | 3968 | _controlbyte = 0xFA; // Next byte is data |
wim | 32:59c4b8f648d4 | 3969 | } |
wim | 32:59c4b8f648d4 | 3970 | else { |
wim | 32:59c4b8f648d4 | 3971 | _controlbyte = 0xF8; // Next byte is command |
wim | 32:59c4b8f648d4 | 3972 | } |
wim | 32:59c4b8f648d4 | 3973 | } |
wim | 32:59c4b8f648d4 | 3974 | |
wim | 32:59c4b8f648d4 | 3975 | // Set BL pin |
wim | 32:59c4b8f648d4 | 3976 | void TextLCD_SPI_N_3_16::_setBL(bool value) { |
wim | 32:59c4b8f648d4 | 3977 | if (_bl) { |
wim | 32:59c4b8f648d4 | 3978 | _bl->write(value); |
wim | 32:59c4b8f648d4 | 3979 | } |
wim | 32:59c4b8f648d4 | 3980 | } |
wim | 32:59c4b8f648d4 | 3981 | |
wim | 32:59c4b8f648d4 | 3982 | // Not used in this mode |
wim | 32:59c4b8f648d4 | 3983 | void TextLCD_SPI_N_3_16::_setData(int value) { |
wim | 32:59c4b8f648d4 | 3984 | } |
wim | 34:e5a0dcb43ecc | 3985 | |
wim | 32:59c4b8f648d4 | 3986 | // Write a byte using SPI3 16 bits mode |
wim | 32:59c4b8f648d4 | 3987 | void TextLCD_SPI_N_3_16::_writeByte(int value) { |
wim | 32:59c4b8f648d4 | 3988 | _cs = 0; |
wim | 32:59c4b8f648d4 | 3989 | wait_us(1); |
wim | 32:59c4b8f648d4 | 3990 | |
wim | 32:59c4b8f648d4 | 3991 | _spi->write(_controlbyte); |
wim | 32:59c4b8f648d4 | 3992 | |
wim | 32:59c4b8f648d4 | 3993 | _spi->write(value); |
wim | 32:59c4b8f648d4 | 3994 | |
wim | 32:59c4b8f648d4 | 3995 | wait_us(1); |
wim | 32:59c4b8f648d4 | 3996 | _cs = 1; |
wim | 32:59c4b8f648d4 | 3997 | } |
wim | 34:e5a0dcb43ecc | 3998 | #endif /* Native SPI bus */ |
wim | 32:59c4b8f648d4 | 3999 | //------- End TextLCD_SPI_N_3_16 ---------- |
wim | 34:e5a0dcb43ecc | 4000 | |
wim | 34:e5a0dcb43ecc | 4001 | |
wim | 32:59c4b8f648d4 | 4002 | //------- Start TextLCD_SPI_N_3_24 -------- |
wim | 34:e5a0dcb43ecc | 4003 | #if(LCD_SPI_N_3_24 == 1) /* Native SPI bus */ |
wim | 32:59c4b8f648d4 | 4004 | |
wim | 32:59c4b8f648d4 | 4005 | /** Create a TextLCD interface using a controller with a native SPI3 24 bits interface |
wim | 32:59c4b8f648d4 | 4006 | * |
wim | 32:59c4b8f648d4 | 4007 | * @param spi SPI Bus |
wim | 32:59c4b8f648d4 | 4008 | * @param cs chip select pin (active low) |
wim | 32:59c4b8f648d4 | 4009 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
wim | 32:59c4b8f648d4 | 4010 | * @param bl Backlight control line (optional, default = NC) |
wim | 32:59c4b8f648d4 | 4011 | * @param ctrl LCD controller (default = SSD1803) |
wim | 32:59c4b8f648d4 | 4012 | */ |
wim | 32:59c4b8f648d4 | 4013 | TextLCD_SPI_N_3_24::TextLCD_SPI_N_3_24(SPI *spi, PinName cs, LCDType type, PinName bl, LCDCtrl ctrl) : |
wim | 32:59c4b8f648d4 | 4014 | TextLCD_Base(type, ctrl), |
wim | 32:59c4b8f648d4 | 4015 | _spi(spi), |
wim | 32:59c4b8f648d4 | 4016 | _cs(cs) { |
wim | 32:59c4b8f648d4 | 4017 | |
wim | 32:59c4b8f648d4 | 4018 | // Init CS |
wim | 32:59c4b8f648d4 | 4019 | _cs = 1; |
wim | 32:59c4b8f648d4 | 4020 | |
wim | 34:e5a0dcb43ecc | 4021 | // Setup the spi for 8 bit data, high steady state clock, |
wim | 32:59c4b8f648d4 | 4022 | // rising edge capture, with a 500KHz or 1MHz clock rate |
wim | 34:e5a0dcb43ecc | 4023 | _spi->format(8,3); |
wim | 32:59c4b8f648d4 | 4024 | _spi->frequency(1000000); |
wim | 32:59c4b8f648d4 | 4025 | |
wim | 32:59c4b8f648d4 | 4026 | // The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access. |
wim | 32:59c4b8f648d4 | 4027 | if (bl != NC) { |
wim | 32:59c4b8f648d4 | 4028 | _bl = new DigitalOut(bl); //Construct new pin |
wim | 32:59c4b8f648d4 | 4029 | _bl->write(0); //Deactivate |
wim | 32:59c4b8f648d4 | 4030 | } |
wim | 32:59c4b8f648d4 | 4031 | else { |
wim | 32:59c4b8f648d4 | 4032 | // No Hardware Backlight pin |
wim | 32:59c4b8f648d4 | 4033 | _bl = NULL; //Construct dummy pin |
wim | 32:59c4b8f648d4 | 4034 | } |
wim | 32:59c4b8f648d4 | 4035 | |
wim | 32:59c4b8f648d4 | 4036 | //Sanity check |
wim | 32:59c4b8f648d4 | 4037 | if (_ctrl & LCD_C_SPI3_24) { |
wim | 36:9f5f86dfd44a | 4038 | _init(_LCD_DL_8); // Set Datalength to 8 bit for all native serial interfaces |
wim | 32:59c4b8f648d4 | 4039 | } |
wim | 32:59c4b8f648d4 | 4040 | else { |
wim | 32:59c4b8f648d4 | 4041 | error("Error: LCD Controller type does not support native SPI3 24 bits interface\n\r"); |
wim | 32:59c4b8f648d4 | 4042 | } |
wim | 32:59c4b8f648d4 | 4043 | } |
wim | 32:59c4b8f648d4 | 4044 | |
wim | 32:59c4b8f648d4 | 4045 | TextLCD_SPI_N_3_24::~TextLCD_SPI_N_3_24() { |
wim | 32:59c4b8f648d4 | 4046 | if (_bl != NULL) {delete _bl;} // BL pin |
wim | 32:59c4b8f648d4 | 4047 | } |
wim | 32:59c4b8f648d4 | 4048 | |
wim | 32:59c4b8f648d4 | 4049 | // Not used in this mode |
wim | 32:59c4b8f648d4 | 4050 | void TextLCD_SPI_N_3_24::_setEnable(bool value) { |
wim | 32:59c4b8f648d4 | 4051 | } |
wim | 32:59c4b8f648d4 | 4052 | |
wim | 32:59c4b8f648d4 | 4053 | // Set RS pin |
wim | 32:59c4b8f648d4 | 4054 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
wim | 32:59c4b8f648d4 | 4055 | void TextLCD_SPI_N_3_24::_setRS(bool value) { |
wim | 32:59c4b8f648d4 | 4056 | // 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 | 4057 | // Each byte encodes 4 actual bits. The 8 actual bits represent either a data or a command byte. |
wim | 32:59c4b8f648d4 | 4058 | // 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 | 4059 | // 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 | 4060 | // |
wim | 32:59c4b8f648d4 | 4061 | // RS=1 means that next byte is data, RS=0 means that next byte is command |
wim | 32:59c4b8f648d4 | 4062 | // RW=0 means that next byte is writen, RW=1 means that next byte is read (not used in this lib) |
wim | 32:59c4b8f648d4 | 4063 | // |
wim | 32:59c4b8f648d4 | 4064 | // Note: SPI3_24 expects LSB first. This is inconsistent with regular SPI convention (and hardware) that sends MSB first. |
wim | 32:59c4b8f648d4 | 4065 | |
wim | 32:59c4b8f648d4 | 4066 | if (value) { |
wim | 32:59c4b8f648d4 | 4067 | _controlbyte = 0xFA; // Next byte is data |
wim | 32:59c4b8f648d4 | 4068 | } |
wim | 32:59c4b8f648d4 | 4069 | else { |
wim | 32:59c4b8f648d4 | 4070 | _controlbyte = 0xF8; // Next byte is command |
wim | 34:e5a0dcb43ecc | 4071 | } |
wim | 32:59c4b8f648d4 | 4072 | } |
wim | 32:59c4b8f648d4 | 4073 | |
wim | 32:59c4b8f648d4 | 4074 | // Set BL pin |
wim | 32:59c4b8f648d4 | 4075 | void TextLCD_SPI_N_3_24::_setBL(bool value) { |
wim | 32:59c4b8f648d4 | 4076 | if (_bl) { |
wim | 32:59c4b8f648d4 | 4077 | _bl->write(value); |
wim | 32:59c4b8f648d4 | 4078 | } |
wim | 32:59c4b8f648d4 | 4079 | } |
wim | 32:59c4b8f648d4 | 4080 | |
wim | 32:59c4b8f648d4 | 4081 | // Not used in this mode |
wim | 32:59c4b8f648d4 | 4082 | void TextLCD_SPI_N_3_24::_setData(int value) { |
wim | 32:59c4b8f648d4 | 4083 | } |
wim | 32:59c4b8f648d4 | 4084 | |
wim | 32:59c4b8f648d4 | 4085 | //Mapping table to flip the bits around cause SPI3_24 expects LSB first. |
wim | 32:59c4b8f648d4 | 4086 | 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 | 4087 | |
wim | 32:59c4b8f648d4 | 4088 | // Write a byte using SPI3 24 bits mode |
wim | 32:59c4b8f648d4 | 4089 | void TextLCD_SPI_N_3_24::_writeByte(int value) { |
wim | 32:59c4b8f648d4 | 4090 | _cs = 0; |
wim | 32:59c4b8f648d4 | 4091 | wait_us(1); |
wim | 32:59c4b8f648d4 | 4092 | _spi->write(_controlbyte); |
wim | 32:59c4b8f648d4 | 4093 | |
wim | 32:59c4b8f648d4 | 4094 | //Map and send the LSB nibble |
wim | 32:59c4b8f648d4 | 4095 | _spi->write( map3_24[value & 0x0F]); |
wim | 32:59c4b8f648d4 | 4096 | |
wim | 32:59c4b8f648d4 | 4097 | //Map and send the MSB nibble |
wim | 32:59c4b8f648d4 | 4098 | _spi->write( map3_24[(value >> 4) & 0x0F]); |
wim | 32:59c4b8f648d4 | 4099 | |
wim | 32:59c4b8f648d4 | 4100 | wait_us(1); |
wim | 32:59c4b8f648d4 | 4101 | _cs = 1; |
wim | 32:59c4b8f648d4 | 4102 | } |
wim | 34:e5a0dcb43ecc | 4103 | #endif /* Native SPI bus */ |
wim | 32:59c4b8f648d4 | 4104 | //------- End TextLCD_SPI_N_3_24 ---------- |