proyecto LCD
TextLCD.cpp@9:2db641efba7e, 2019-11-13 (annotated)
- Committer:
- fcalzadas
- Date:
- Wed Nov 13 21:28:23 2019 +0000
- Revision:
- 9:2db641efba7e
- Parent:
- 7:44f34c09bd37
proyecto de LCD
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
fcalzadas | 9:2db641efba7e | 1 | /* mbed TextLCD Library, for LCDs based on HD44780 controllers |
simon | 6:e4cb7ddee0d3 | 2 | * Copyright (c) 2007-2010, sford, http://mbed.org |
fcalzadas | 9:2db641efba7e | 3 | * 2013, v01: WH, Added LCD types, fixed LCD address issues, added Cursor and UDCs |
fcalzadas | 9:2db641efba7e | 4 | * 2013, v02: WH, Added I2C and SPI bus interfaces |
fcalzadas | 9:2db641efba7e | 5 | * 2013, v03: WH, Added support for LCD40x4 which uses 2 controllers |
fcalzadas | 9:2db641efba7e | 6 | * 2013, v04: WH, Added support for Display On/Off, improved 4bit bootprocess |
fcalzadas | 9:2db641efba7e | 7 | * 2013, v05: WH, Added support for 8x2B, added some UDCs |
fcalzadas | 9:2db641efba7e | 8 | * 2013, v06: WH, Added support for devices that use internal DC/DC converters |
fcalzadas | 9:2db641efba7e | 9 | * 2013, v07: WH, Added support for backlight and include portdefinitions for LCD2004 Module from DFROBOT |
fcalzadas | 9:2db641efba7e | 10 | * 2014, v08: WH, Refactored in Base and Derived Classes to deal with mbed lib change regarding 'NC' defined pins |
fcalzadas | 9:2db641efba7e | 11 | * 2014, v09: WH/EO, Added Class for Native SPI controllers such as ST7032 |
fcalzadas | 9:2db641efba7e | 12 | * 2014, v10: WH, Added Class for Native I2C controllers such as ST7032i, Added support for MCP23008 I2C portexpander, Added support for Adafruit module |
fcalzadas | 9:2db641efba7e | 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 |
fcalzadas | 9:2db641efba7e | 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) |
fcalzadas | 9:2db641efba7e | 15 | * 2014, v13: WH, Added support for controllers US2066/SSD1311 (OLED), added setUDCBlink() method for supported devices (eg SSD1803), fixed issue in setPower() |
fcalzadas | 9:2db641efba7e | 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, |
fcalzadas | 9:2db641efba7e | 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. |
fcalzadas | 9:2db641efba7e | 18 | * 2014, v15: WH, Added AC780 support, added I2C expander modules, fixed setBacklight() for inverted logic modules. Fixed bug in LCD_SPI_N define |
fcalzadas | 9:2db641efba7e | 19 | * 2014, v16: WH, Added ST7070 and KS0073 support, added setIcon(), clrIcon() and setInvert() method for supported devices |
fcalzadas | 9:2db641efba7e | 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 |
simon | 1:ac48b187213c | 21 | * |
simon | 1:ac48b187213c | 22 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
simon | 1:ac48b187213c | 23 | * of this software and associated documentation files (the "Software"), to deal |
simon | 1:ac48b187213c | 24 | * in the Software without restriction, including without limitation the rights |
simon | 1:ac48b187213c | 25 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
simon | 1:ac48b187213c | 26 | * copies of the Software, and to permit persons to whom the Software is |
simon | 1:ac48b187213c | 27 | * furnished to do so, subject to the following conditions: |
simon | 1:ac48b187213c | 28 | * |
simon | 1:ac48b187213c | 29 | * The above copyright notice and this permission notice shall be included in |
simon | 1:ac48b187213c | 30 | * all copies or substantial portions of the Software. |
simon | 1:ac48b187213c | 31 | * |
simon | 1:ac48b187213c | 32 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
simon | 1:ac48b187213c | 33 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
simon | 1:ac48b187213c | 34 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
simon | 1:ac48b187213c | 35 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
simon | 1:ac48b187213c | 36 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
simon | 1:ac48b187213c | 37 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
simon | 1:ac48b187213c | 38 | * THE SOFTWARE. |
simon | 1:ac48b187213c | 39 | */ |
fcalzadas | 9:2db641efba7e | 40 | #include "mbed.h" |
simon | 1:ac48b187213c | 41 | #include "TextLCD.h" |
fcalzadas | 9:2db641efba7e | 42 | #include "TextLCD_UDC.inc" |
fcalzadas | 9:2db641efba7e | 43 | |
fcalzadas | 9:2db641efba7e | 44 | /** Create a TextLCD_Base interface |
fcalzadas | 9:2db641efba7e | 45 | * |
fcalzadas | 9:2db641efba7e | 46 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
fcalzadas | 9:2db641efba7e | 47 | * @param ctrl LCD controller (default = HD44780) |
fcalzadas | 9:2db641efba7e | 48 | */ |
fcalzadas | 9:2db641efba7e | 49 | TextLCD_Base::TextLCD_Base(LCDType type, LCDCtrl ctrl) : _type(type), _ctrl(ctrl) { |
fcalzadas | 9:2db641efba7e | 50 | |
fcalzadas | 9:2db641efba7e | 51 | // Extract LCDType data |
fcalzadas | 9:2db641efba7e | 52 | |
fcalzadas | 9:2db641efba7e | 53 | // Columns encoded in b7..b0 |
fcalzadas | 9:2db641efba7e | 54 | _nr_cols = (_type & 0xFF); |
fcalzadas | 9:2db641efba7e | 55 | |
fcalzadas | 9:2db641efba7e | 56 | // Rows encoded in b15..b8 |
fcalzadas | 9:2db641efba7e | 57 | _nr_rows = ((_type >> 8) & 0xFF); |
fcalzadas | 9:2db641efba7e | 58 | |
fcalzadas | 9:2db641efba7e | 59 | // Addressing mode encoded in b19..b16 |
fcalzadas | 9:2db641efba7e | 60 | _addr_mode = _type & LCD_T_ADR_MSK; |
fcalzadas | 9:2db641efba7e | 61 | |
fcalzadas | 9:2db641efba7e | 62 | // Font table, encoded in LCDCtrl |
fcalzadas | 9:2db641efba7e | 63 | _font = _type & LCD_C_FNT_MSK; |
fcalzadas | 9:2db641efba7e | 64 | } |
fcalzadas | 9:2db641efba7e | 65 | |
fcalzadas | 9:2db641efba7e | 66 | /** Init the LCD Controller(s) |
fcalzadas | 9:2db641efba7e | 67 | * Clear display |
fcalzadas | 9:2db641efba7e | 68 | * @param _LCDDatalength dl sets the datalength of data/commands |
fcalzadas | 9:2db641efba7e | 69 | * @return none |
fcalzadas | 9:2db641efba7e | 70 | */ |
fcalzadas | 9:2db641efba7e | 71 | void TextLCD_Base::_init(_LCDDatalength dl) { |
fcalzadas | 9:2db641efba7e | 72 | |
fcalzadas | 9:2db641efba7e | 73 | // Select and configure second LCD controller when needed |
fcalzadas | 9:2db641efba7e | 74 | if(_type==LCD40x4) { |
fcalzadas | 9:2db641efba7e | 75 | _ctrl_idx=_LCDCtrl_1; // Select 2nd controller |
fcalzadas | 9:2db641efba7e | 76 | _initCtrl(dl); // Init 2nd controller |
fcalzadas | 9:2db641efba7e | 77 | } |
fcalzadas | 9:2db641efba7e | 78 | |
fcalzadas | 9:2db641efba7e | 79 | // Select and configure primary LCD controller |
fcalzadas | 9:2db641efba7e | 80 | _ctrl_idx=_LCDCtrl_0; // Select primary controller |
fcalzadas | 9:2db641efba7e | 81 | _initCtrl(dl); // Init primary controller |
fcalzadas | 9:2db641efba7e | 82 | |
fcalzadas | 9:2db641efba7e | 83 | // Clear whole display and Reset Cursor location |
fcalzadas | 9:2db641efba7e | 84 | // Note: This will make sure that some 3-line displays that skip topline of a 4-line configuration |
fcalzadas | 9:2db641efba7e | 85 | // are cleared and init cursor correctly. |
fcalzadas | 9:2db641efba7e | 86 | cls(); |
fcalzadas | 9:2db641efba7e | 87 | } |
fcalzadas | 9:2db641efba7e | 88 | |
fcalzadas | 9:2db641efba7e | 89 | /** Init the LCD controller |
fcalzadas | 9:2db641efba7e | 90 | * Set number of lines, fonttype, no cursor etc |
fcalzadas | 9:2db641efba7e | 91 | * The controller is accessed in 4-bit parallel mode either directly via mbed pins or through I2C or SPI expander. |
fcalzadas | 9:2db641efba7e | 92 | * Some controllers also support native I2C or SPI interfaces. |
fcalzadas | 9:2db641efba7e | 93 | * |
fcalzadas | 9:2db641efba7e | 94 | * @param _LCDDatalength dl sets the 4 or 8 bit datalength of data/commands. Required for some native serial modes. |
fcalzadas | 9:2db641efba7e | 95 | * @return none |
fcalzadas | 9:2db641efba7e | 96 | * |
fcalzadas | 9:2db641efba7e | 97 | * Note: some configurations are commented out because they have not yet been tested due to lack of hardware |
fcalzadas | 9:2db641efba7e | 98 | */ |
fcalzadas | 9:2db641efba7e | 99 | void TextLCD_Base::_initCtrl(_LCDDatalength dl) { |
fcalzadas | 9:2db641efba7e | 100 | int _bias_lines=0; // Set Bias and lines (Instr Set 1), temporary variable. |
fcalzadas | 9:2db641efba7e | 101 | int _lines=0; // Set lines (Ext Instr Set), temporary variable. |
fcalzadas | 9:2db641efba7e | 102 | |
fcalzadas | 9:2db641efba7e | 103 | this->_setRS(false); // command mode |
fcalzadas | 9:2db641efba7e | 104 | |
fcalzadas | 9:2db641efba7e | 105 | wait_ms(20); // Wait 20ms to ensure powered up |
fcalzadas | 9:2db641efba7e | 106 | |
fcalzadas | 9:2db641efba7e | 107 | if (dl == _LCD_DL_4) { |
fcalzadas | 9:2db641efba7e | 108 | // The Controller could be in 8 bit mode (power-on reset) or in 4 bit mode (warm reboot) at this point. |
fcalzadas | 9:2db641efba7e | 109 | // Follow this procedure to make sure the Controller enters the correct state. The hardware interface |
fcalzadas | 9:2db641efba7e | 110 | // between the uP and the LCD can only write the 4 most significant bits (Most Significant Nibble, MSN). |
fcalzadas | 9:2db641efba7e | 111 | // In 4 bit mode the LCD expects the MSN first, followed by the LSN. |
fcalzadas | 9:2db641efba7e | 112 | // |
fcalzadas | 9:2db641efba7e | 113 | // Current state: 8 bit mode | 4 bit mode, MSN is next | 4 bit mode, LSN is next |
fcalzadas | 9:2db641efba7e | 114 | //------------------------------------------------------------------------------------------------- |
fcalzadas | 9:2db641efba7e | 115 | _writeNibble(0x3); // set 8 bit mode (MSN) and dummy LSN, | set 8 bit mode (MSN), | set dummy LSN, |
fcalzadas | 9:2db641efba7e | 116 | // remains in 8 bit mode | change to 8 bit mode | remains in 4 bit mode |
fcalzadas | 9:2db641efba7e | 117 | wait_ms(15); // |
fcalzadas | 9:2db641efba7e | 118 | |
fcalzadas | 9:2db641efba7e | 119 | _writeNibble(0x3); // set 8 bit mode and dummy LSN, | set 8 bit mode and dummy LSN, | set 8bit mode (MSN), |
fcalzadas | 9:2db641efba7e | 120 | // remains in 8 bit mode | remains in 8 bit mode | remains in 4 bit mode |
fcalzadas | 9:2db641efba7e | 121 | wait_ms(15); // |
fcalzadas | 9:2db641efba7e | 122 | |
fcalzadas | 9:2db641efba7e | 123 | _writeNibble(0x3); // set 8 bit mode and dummy LSN, | set 8 bit mode and dummy LSN, | set dummy LSN, |
fcalzadas | 9:2db641efba7e | 124 | // remains in 8 bit mode | remains in 8 bit mode | change to 8 bit mode |
fcalzadas | 9:2db641efba7e | 125 | wait_ms(15); // |
fcalzadas | 9:2db641efba7e | 126 | |
fcalzadas | 9:2db641efba7e | 127 | // Controller is now in 8 bit mode |
fcalzadas | 9:2db641efba7e | 128 | |
fcalzadas | 9:2db641efba7e | 129 | _writeNibble(0x2); // Change to 4-bit mode (MSN), the LSN is undefined dummy |
fcalzadas | 9:2db641efba7e | 130 | wait_us(40); // most instructions take 40us |
fcalzadas | 9:2db641efba7e | 131 | |
fcalzadas | 9:2db641efba7e | 132 | // Controller is now in 4-bit mode |
fcalzadas | 9:2db641efba7e | 133 | // Note: 4/8 bit mode is ignored for most native SPI and I2C devices. They dont use the parallel bus. |
fcalzadas | 9:2db641efba7e | 134 | // However, _writeNibble() method is void anyway for native SPI and I2C devices. |
fcalzadas | 9:2db641efba7e | 135 | } |
fcalzadas | 9:2db641efba7e | 136 | |
fcalzadas | 9:2db641efba7e | 137 | // Device specific initialisations: DC/DC converter to generate VLCD or VLED, number of lines etc |
fcalzadas | 9:2db641efba7e | 138 | switch (_ctrl) { |
fcalzadas | 9:2db641efba7e | 139 | |
fcalzadas | 9:2db641efba7e | 140 | case KS0073: |
fcalzadas | 9:2db641efba7e | 141 | // Initialise Display configuration |
fcalzadas | 9:2db641efba7e | 142 | switch (_type) { |
fcalzadas | 9:2db641efba7e | 143 | case LCD8x1: //8x1 is a regular 1 line display |
fcalzadas | 9:2db641efba7e | 144 | case LCD12x1: |
fcalzadas | 9:2db641efba7e | 145 | case LCD16x1: |
fcalzadas | 9:2db641efba7e | 146 | case LCD20x1: |
fcalzadas | 9:2db641efba7e | 147 | case LCD24x1: |
fcalzadas | 9:2db641efba7e | 148 | // case LCD32x1: // EXT pin is High, extension driver needed |
fcalzadas | 9:2db641efba7e | 149 | // case LCD40x1: // EXT pin is High, extension driver needed |
fcalzadas | 9:2db641efba7e | 150 | _function = 0x02; // Function set 001 DL N RE(0) DH REV (Std Regs) |
fcalzadas | 9:2db641efba7e | 151 | // DL=0 (4 bits bus) |
fcalzadas | 9:2db641efba7e | 152 | // N=0 (1-line mode, N=1 2-line mode) |
fcalzadas | 9:2db641efba7e | 153 | // RE=0 (Dis. Extended Regs, special mode for KS0073) |
fcalzadas | 9:2db641efba7e | 154 | // DH=1 (Disp shift enable, special mode for KS0073) |
fcalzadas | 9:2db641efba7e | 155 | // REV=0 (Reverse normal, special mode for KS0073) |
fcalzadas | 9:2db641efba7e | 156 | |
fcalzadas | 9:2db641efba7e | 157 | _function_1 = 0x04; // Function set 001 DL N RE(1) BE LP (Ext Regs) |
fcalzadas | 9:2db641efba7e | 158 | // DL=0 (4 bits bus) |
fcalzadas | 9:2db641efba7e | 159 | // N=0 (1-line mode, N=1 2-line mode) |
fcalzadas | 9:2db641efba7e | 160 | // RE=1 (Ena Extended Regs, special mode for KS0073) |
fcalzadas | 9:2db641efba7e | 161 | // BE=0 (Blink Enable, CG/SEG RAM, special mode for KS0073) |
fcalzadas | 9:2db641efba7e | 162 | // LP=0 (LP=1 Low power mode, LP=0 Normal) |
fcalzadas | 9:2db641efba7e | 163 | |
fcalzadas | 9:2db641efba7e | 164 | _function_x = 0x00; // Ext Function set 0000 1 FW BW NW (Ext Regs) |
fcalzadas | 9:2db641efba7e | 165 | // NW=0 (1,2 line), NW=1 (4 Line, special mode for KS0073) |
fcalzadas | 9:2db641efba7e | 166 | break; |
fcalzadas | 9:2db641efba7e | 167 | |
fcalzadas | 9:2db641efba7e | 168 | // case LCD12x3D: // Special mode for KS0073, KS0078 and PCF21XX |
fcalzadas | 9:2db641efba7e | 169 | // case LCD12x3D1: // Special mode for KS0073, KS0078 and PCF21XX |
fcalzadas | 9:2db641efba7e | 170 | case LCD12x4D: // Special mode for KS0073, KS0078 and PCF21XX |
fcalzadas | 9:2db641efba7e | 171 | // case LCD16x3D: // Special mode for KS0073, KS0078 |
fcalzadas | 9:2db641efba7e | 172 | // case LCD16x4D: // Special mode for KS0073, KS0078 |
fcalzadas | 9:2db641efba7e | 173 | case LCD20x4D: // Special mode for KS0073, KS0078 |
fcalzadas | 9:2db641efba7e | 174 | _function = 0x02; // Function set 001 DL N RE(0) DH REV (Std Regs) |
fcalzadas | 9:2db641efba7e | 175 | // DL=0 (4 bits bus) |
fcalzadas | 9:2db641efba7e | 176 | // N=0 (dont care for 4 line mode) |
fcalzadas | 9:2db641efba7e | 177 | // RE=0 (Dis. Extended Regs, special mode for KS0073) |
fcalzadas | 9:2db641efba7e | 178 | // DH=1 (Disp shift enable, special mode for KS0073) |
fcalzadas | 9:2db641efba7e | 179 | // REV=0 (Reverse normal, special mode for KS0073) |
fcalzadas | 9:2db641efba7e | 180 | |
fcalzadas | 9:2db641efba7e | 181 | _function_1 = 0x04; // Function set 001 DL N RE(1) BE LP (Ext Regs) |
fcalzadas | 9:2db641efba7e | 182 | // DL=0 (4 bits bus) |
fcalzadas | 9:2db641efba7e | 183 | // N=0 (1-line mode), N=1 (2-line mode) |
fcalzadas | 9:2db641efba7e | 184 | // RE=1 (Ena Extended Regs, special mode for KS0073) |
fcalzadas | 9:2db641efba7e | 185 | // BE=0 (Blink Enable, CG/SEG RAM, special mode for KS0073) |
fcalzadas | 9:2db641efba7e | 186 | // LP=0 (LP=1 Low power mode, LP=0 Normal) |
fcalzadas | 9:2db641efba7e | 187 | |
fcalzadas | 9:2db641efba7e | 188 | _function_x = 0x01; // Ext Function set 0000 1 FW BW NW (Ext Regs) |
fcalzadas | 9:2db641efba7e | 189 | // NW=0 (1,2 line), NW=1 (4 Line, special mode for KS0073) |
fcalzadas | 9:2db641efba7e | 190 | break; |
fcalzadas | 9:2db641efba7e | 191 | |
fcalzadas | 9:2db641efba7e | 192 | |
fcalzadas | 9:2db641efba7e | 193 | case LCD16x3G: // Special mode for ST7036 |
fcalzadas | 9:2db641efba7e | 194 | // case LCD24x3D: // Special mode for KS0078 |
fcalzadas | 9:2db641efba7e | 195 | // case LCD24x3D1: // Special mode for KS0078 |
fcalzadas | 9:2db641efba7e | 196 | case LCD24x4D: // Special mode for KS0078 |
fcalzadas | 9:2db641efba7e | 197 | error("Error: LCD Controller type does not support this Display type\n\r"); |
fcalzadas | 9:2db641efba7e | 198 | break; |
fcalzadas | 9:2db641efba7e | 199 | |
fcalzadas | 9:2db641efba7e | 200 | default: |
fcalzadas | 9:2db641efba7e | 201 | // All other LCD types are initialised as 2 Line displays (including LCD16x1C and LCD40x4) |
fcalzadas | 9:2db641efba7e | 202 | _function = 0x0A; // Function set 001 DL N RE(0) DH REV (Std Regs) |
fcalzadas | 9:2db641efba7e | 203 | // DL=0 (4 bits bus) |
fcalzadas | 9:2db641efba7e | 204 | // N=1 (2-line mode), N=0 (1-line mode) |
fcalzadas | 9:2db641efba7e | 205 | // RE=0 (Dis. Extended Regs, special mode for KS0073) |
fcalzadas | 9:2db641efba7e | 206 | // DH=1 (Disp shift enable, special mode for KS0073) |
fcalzadas | 9:2db641efba7e | 207 | // REV=0 (Reverse normal, special mode for KS0073) |
fcalzadas | 9:2db641efba7e | 208 | |
fcalzadas | 9:2db641efba7e | 209 | _function_1 = 0x0C; // Function set 001 DL N RE(1) BE LP (Ext Regs) |
fcalzadas | 9:2db641efba7e | 210 | // DL=0 (4 bits bus) |
fcalzadas | 9:2db641efba7e | 211 | // N=1 (2 line mode), N=0 (1-line mode) |
fcalzadas | 9:2db641efba7e | 212 | // RE=1 (Ena Extended Regs, special mode for KS0073) |
fcalzadas | 9:2db641efba7e | 213 | // BE=0 (Blink Enable, CG/SEG RAM, special mode for KS0073) |
fcalzadas | 9:2db641efba7e | 214 | // LP=0 (LP=1 Low power mode, LP=0 Normal) |
fcalzadas | 9:2db641efba7e | 215 | |
fcalzadas | 9:2db641efba7e | 216 | _function_x = 0x00; // Ext Function set 0000 1 FW BW NW (Ext Regs) |
fcalzadas | 9:2db641efba7e | 217 | // NW=0 (1,2 line), NW=1 (4 Line, special mode for KS0073) |
fcalzadas | 9:2db641efba7e | 218 | break; |
fcalzadas | 9:2db641efba7e | 219 | } // switch type |
fcalzadas | 9:2db641efba7e | 220 | |
fcalzadas | 9:2db641efba7e | 221 | // init special features |
fcalzadas | 9:2db641efba7e | 222 | _writeCommand(0x20 | _function_1);// Function set 001 DL N RE(1) BE LP (Ext Regs) |
fcalzadas | 9:2db641efba7e | 223 | // DL=0 (4 bits bus), DL=1 (8 bits mode) |
fcalzadas | 9:2db641efba7e | 224 | // N=0 (1 line mode), N=1 (2 line mode) |
fcalzadas | 9:2db641efba7e | 225 | // RE=1 (Ena Extended Regs, special mode for KS0073) |
fcalzadas | 9:2db641efba7e | 226 | // BE=0 (Blink Enable/Disable, CG/SEG RAM, special mode for KS0073) |
fcalzadas | 9:2db641efba7e | 227 | // LP=0 (LP=1 Low power mode, LP=0 Normal) |
fcalzadas | 9:2db641efba7e | 228 | |
fcalzadas | 9:2db641efba7e | 229 | _writeCommand(0x08 | _function_x); // Ext Function set 0000 1 FW BW NW (Ext Regs) |
fcalzadas | 9:2db641efba7e | 230 | // FW=0 (5-dot font, special mode for KS0073) |
fcalzadas | 9:2db641efba7e | 231 | // BW=0 (Cur BW invert disable, special mode for KS0073) |
fcalzadas | 9:2db641efba7e | 232 | // NW=0 (1,2 Line), NW=1 (4 line, special mode for KS0073) |
fcalzadas | 9:2db641efba7e | 233 | |
fcalzadas | 9:2db641efba7e | 234 | _writeCommand(0x10); // Scroll/Shift set 0001 DS/HS4 DS/HS3 DS/HS2 DS/HS1 (Ext Regs) |
fcalzadas | 9:2db641efba7e | 235 | // Dotscroll/Display shift enable (Special mode for KS0073) |
fcalzadas | 9:2db641efba7e | 236 | |
fcalzadas | 9:2db641efba7e | 237 | _writeCommand(0x80); // Scroll Quantity set 1 0 SQ5 SQ4 SQ3 SQ2 SQ1 SQ0 (Ext Regs) |
fcalzadas | 9:2db641efba7e | 238 | // Scroll quantity (Special mode for KS0073) |
fcalzadas | 9:2db641efba7e | 239 | |
fcalzadas | 9:2db641efba7e | 240 | _writeCommand(0x20 | _function); // Function set 001 DL N RE(0) DH REV (Std Regs) |
fcalzadas | 9:2db641efba7e | 241 | // DL=0 (4 bits bus), DL=1 (8 bits mode) |
fcalzadas | 9:2db641efba7e | 242 | // N=0 (1 line mode), N=1 (2 line mode) |
fcalzadas | 9:2db641efba7e | 243 | // RE=0 (Dis. Extended Regs, special mode for KS0073) |
fcalzadas | 9:2db641efba7e | 244 | // DH=1 (Disp shift enable/disable, special mode for KS0073) |
fcalzadas | 9:2db641efba7e | 245 | // REV=0 (Reverse/Normal, special mode for KS0073) |
fcalzadas | 9:2db641efba7e | 246 | break; // case KS0073 Controller |
fcalzadas | 9:2db641efba7e | 247 | |
fcalzadas | 9:2db641efba7e | 248 | |
fcalzadas | 9:2db641efba7e | 249 | case KS0078: |
fcalzadas | 9:2db641efba7e | 250 | // Initialise Display configuration |
fcalzadas | 9:2db641efba7e | 251 | switch (_type) { |
fcalzadas | 9:2db641efba7e | 252 | case LCD8x1: //8x1 is a regular 1 line display |
fcalzadas | 9:2db641efba7e | 253 | case LCD8x2B: //8x2B is a special case of 16x1 |
fcalzadas | 9:2db641efba7e | 254 | // case LCD12x1: |
fcalzadas | 9:2db641efba7e | 255 | case LCD16x1: |
fcalzadas | 9:2db641efba7e | 256 | // case LCD20x1: |
fcalzadas | 9:2db641efba7e | 257 | case LCD24x1: |
fcalzadas | 9:2db641efba7e | 258 | _function = 0x02; // Function set 001 DL N RE(0) DH REV (Std Regs) |
fcalzadas | 9:2db641efba7e | 259 | // DL=0 (4 bits bus) |
fcalzadas | 9:2db641efba7e | 260 | // N=0 (1 line mode), N=1 (2 line mode) |
fcalzadas | 9:2db641efba7e | 261 | // RE=0 (Dis. Extended Regs, special mode for KS0078) |
fcalzadas | 9:2db641efba7e | 262 | // DH=1 (Disp shift enable, special mode for KS0078) |
fcalzadas | 9:2db641efba7e | 263 | // REV=0 (Reverse normal, special mode for KS0078) |
fcalzadas | 9:2db641efba7e | 264 | |
fcalzadas | 9:2db641efba7e | 265 | _function_1 = 0x04; // Function set 001 DL N RE(1) BE 0 (Ext Regs) |
fcalzadas | 9:2db641efba7e | 266 | // DL=0 (4 bits bus) |
fcalzadas | 9:2db641efba7e | 267 | // N=0 (1 line mode), N=1 (2 line mode) |
fcalzadas | 9:2db641efba7e | 268 | // RE=1 (Ena Extended Regs, special mode for KS0078) |
fcalzadas | 9:2db641efba7e | 269 | // BE=0 (Blink Enable, CG/SEG RAM, special mode for KS0078) |
fcalzadas | 9:2db641efba7e | 270 | // 0 |
fcalzadas | 9:2db641efba7e | 271 | |
fcalzadas | 9:2db641efba7e | 272 | _function_x = 0x00; // Ext Function set 0000 1 FW BW NW (Ext Regs) |
fcalzadas | 9:2db641efba7e | 273 | // NW=0 (1,2 line), NW=1 (4 Line, special mode for KS0078) |
fcalzadas | 9:2db641efba7e | 274 | break; |
fcalzadas | 9:2db641efba7e | 275 | |
fcalzadas | 9:2db641efba7e | 276 | // case LCD12x3D: // Special mode for KS0073, KS0078 and PCF21XX |
fcalzadas | 9:2db641efba7e | 277 | // case LCD12x3D1: // Special mode for KS0073, KS0078 and PCF21XX |
fcalzadas | 9:2db641efba7e | 278 | // case LCD12x4D: // Special mode for KS0073, KS0078 and PCF21XX |
fcalzadas | 9:2db641efba7e | 279 | // case LCD16x3D: // Special mode for KS0073, KS0078 |
fcalzadas | 9:2db641efba7e | 280 | // case LCD16x4D: // Special mode for KS0073, KS0078 |
fcalzadas | 9:2db641efba7e | 281 | // case LCD20x4D: // Special mode for KS0073, KS0078 |
fcalzadas | 9:2db641efba7e | 282 | // case LCD24x3D: // Special mode for KS0078 |
fcalzadas | 9:2db641efba7e | 283 | // case LCD24x3D1: // Special mode for KS0078 |
fcalzadas | 9:2db641efba7e | 284 | case LCD24x4D: // Special mode for KS0078 |
fcalzadas | 9:2db641efba7e | 285 | _function = 0x02; // Function set 001 DL N RE(0) DH REV (Std Regs) |
fcalzadas | 9:2db641efba7e | 286 | // DL=0 (4 bits bus) |
fcalzadas | 9:2db641efba7e | 287 | // N=0 (dont care for 4 line mode) |
fcalzadas | 9:2db641efba7e | 288 | // RE=0 (Dis. Extended Regs, special mode for KS0078) |
fcalzadas | 9:2db641efba7e | 289 | // DH=1 (Disp shift enable, special mode for KS0078) |
fcalzadas | 9:2db641efba7e | 290 | // REV=0 (Reverse normal, special mode for KS0078) |
fcalzadas | 9:2db641efba7e | 291 | |
fcalzadas | 9:2db641efba7e | 292 | _function_1 = 0x04; // Function set 001 DL N RE(1) BE 0 (Ext Regs) |
fcalzadas | 9:2db641efba7e | 293 | // DL=0 (4 bits bus) |
fcalzadas | 9:2db641efba7e | 294 | // N=0 (1 line mode), N=1 (2 line mode) |
fcalzadas | 9:2db641efba7e | 295 | // RE=1 (Ena Extended Regs, special mode for KS0078) |
fcalzadas | 9:2db641efba7e | 296 | // BE=0 (Blink Enable, CG/SEG RAM, special mode for KS0078) |
fcalzadas | 9:2db641efba7e | 297 | // 0 |
fcalzadas | 9:2db641efba7e | 298 | |
fcalzadas | 9:2db641efba7e | 299 | _function_x = 0x01; // Ext Function set 0000 1 FW BW NW (Ext Regs) |
fcalzadas | 9:2db641efba7e | 300 | // NW=0 (1,2 line), NW=1 (4 Line, special mode for KS0078) |
fcalzadas | 9:2db641efba7e | 301 | break; |
fcalzadas | 9:2db641efba7e | 302 | |
fcalzadas | 9:2db641efba7e | 303 | case LCD16x3G: // Special mode for ST7036 |
fcalzadas | 9:2db641efba7e | 304 | error("Error: LCD Controller type does not support this Display type\n\r"); |
fcalzadas | 9:2db641efba7e | 305 | break; |
fcalzadas | 9:2db641efba7e | 306 | |
fcalzadas | 9:2db641efba7e | 307 | default: |
fcalzadas | 9:2db641efba7e | 308 | // All other LCD types are initialised as 2 Line displays (including LCD16x1C and LCD40x4) |
fcalzadas | 9:2db641efba7e | 309 | _function = 0x0A; // Function set 001 DL N RE(0) DH REV (Std Regs) |
fcalzadas | 9:2db641efba7e | 310 | // DL=0 (4 bits bus) |
fcalzadas | 9:2db641efba7e | 311 | // N=1 (1 line mode), N=1 (2 line mode) |
fcalzadas | 9:2db641efba7e | 312 | // RE=0 (Dis. Extended Regs, special mode for KS0078) |
fcalzadas | 9:2db641efba7e | 313 | // DH=1 (Disp shift enable, special mode for KS0078) |
fcalzadas | 9:2db641efba7e | 314 | // REV=0 (Reverse normal, special mode for KS0078) |
fcalzadas | 9:2db641efba7e | 315 | |
fcalzadas | 9:2db641efba7e | 316 | _function_1 = 0x0C; // Function set 001 DL N RE(1) BE 0 (Ext Regs) |
fcalzadas | 9:2db641efba7e | 317 | // DL=0 (4 bits bus) |
fcalzadas | 9:2db641efba7e | 318 | // N=1 (1 line mode), N=1 (2 line mode) |
fcalzadas | 9:2db641efba7e | 319 | // RE=1 (Ena Extended Regs, special mode for KS0078) |
fcalzadas | 9:2db641efba7e | 320 | // BE=0 (Blink Enable, CG/SEG RAM, special mode for KS0078) |
fcalzadas | 9:2db641efba7e | 321 | // 0 |
fcalzadas | 9:2db641efba7e | 322 | |
fcalzadas | 9:2db641efba7e | 323 | _function_x = 0x00; // Ext Function set 0000 1 FW BW NW (Ext Regs) |
fcalzadas | 9:2db641efba7e | 324 | // NW=0 (1,2 line), NW=1 (4 Line, special mode for KS0078) |
fcalzadas | 9:2db641efba7e | 325 | break; |
fcalzadas | 9:2db641efba7e | 326 | } // switch type |
fcalzadas | 9:2db641efba7e | 327 | |
fcalzadas | 9:2db641efba7e | 328 | // init special features |
fcalzadas | 9:2db641efba7e | 329 | _writeCommand(0x20 | _function_1);// Function set 001 DL N RE(1) BE 0 (Ext Regs) |
fcalzadas | 9:2db641efba7e | 330 | // DL=0 (4 bits bus), DL=1 (8 bits mode) |
fcalzadas | 9:2db641efba7e | 331 | // N=0 (1 line mode), N=1 (2 line mode) |
fcalzadas | 9:2db641efba7e | 332 | // RE=1 (Ena Extended Regs, special mode for KS0078) |
fcalzadas | 9:2db641efba7e | 333 | // BE=0 (Blink Enable/Disable, CG/SEG RAM, special mode for KS0078) |
fcalzadas | 9:2db641efba7e | 334 | // 0 |
fcalzadas | 9:2db641efba7e | 335 | |
fcalzadas | 9:2db641efba7e | 336 | _writeCommand(0x08 | _function_x); // Ext Function set 0000 1 FW BW NW (Ext Regs) |
fcalzadas | 9:2db641efba7e | 337 | // FW=0 (5-dot font, special mode for KS0078) |
fcalzadas | 9:2db641efba7e | 338 | // BW=0 (Cur BW invert disable, special mode for KS0078) |
fcalzadas | 9:2db641efba7e | 339 | // NW=0 (1,2 Line), NW=1 (4 line, special mode for KS0078) |
fcalzadas | 9:2db641efba7e | 340 | |
fcalzadas | 9:2db641efba7e | 341 | _writeCommand(0x10); // Scroll/Shift set 0001 DS/HS4 DS/HS3 DS/HS2 DS/HS1 (Ext Regs) |
fcalzadas | 9:2db641efba7e | 342 | // Dotscroll/Display shift enable (Special mode for KS0078) |
fcalzadas | 9:2db641efba7e | 343 | |
fcalzadas | 9:2db641efba7e | 344 | _writeCommand(0x80); // Scroll Quantity set 1 0 SQ5 SQ4 SQ3 SQ2 SQ1 SQ0 (Ext Regs) |
fcalzadas | 9:2db641efba7e | 345 | // Scroll quantity (Special mode for KS0078) |
fcalzadas | 9:2db641efba7e | 346 | |
fcalzadas | 9:2db641efba7e | 347 | _writeCommand(0x20 | _function); // Function set 001 DL N RE(0) DH REV (Std Regs) |
fcalzadas | 9:2db641efba7e | 348 | // DL=0 (4 bits bus), DL=1 (8 bits mode) |
fcalzadas | 9:2db641efba7e | 349 | // N=0 (1 line mode), N=1 (2 line mode) |
fcalzadas | 9:2db641efba7e | 350 | // RE=0 (Dis. Extended Regs, special mode for KS0078) |
fcalzadas | 9:2db641efba7e | 351 | // DH=1 (Disp shift enable/disable, special mode for KS0078) |
fcalzadas | 9:2db641efba7e | 352 | // REV=0 (Reverse/Normal, special mode for KS0078) |
fcalzadas | 9:2db641efba7e | 353 | break; // case KS0078 Controller |
fcalzadas | 9:2db641efba7e | 354 | |
fcalzadas | 9:2db641efba7e | 355 | case ST7032_3V3: |
fcalzadas | 9:2db641efba7e | 356 | // ST7032 controller: Initialise Voltage booster for VLCD. VDD=3V3 |
fcalzadas | 9:2db641efba7e | 357 | case ST7032_5V: |
fcalzadas | 9:2db641efba7e | 358 | // ST7032 controller: Disable Voltage booster for VLCD. VDD=5V |
fcalzadas | 9:2db641efba7e | 359 | |
fcalzadas | 9:2db641efba7e | 360 | // Initialise Display configuration |
fcalzadas | 9:2db641efba7e | 361 | switch (_type) { |
fcalzadas | 9:2db641efba7e | 362 | case LCD8x1: //8x1 is a regular 1 line display |
fcalzadas | 9:2db641efba7e | 363 | case LCD8x2B: //8x2B is a special case of 16x1 |
fcalzadas | 9:2db641efba7e | 364 | // case LCD12x1: |
fcalzadas | 9:2db641efba7e | 365 | case LCD16x1: |
fcalzadas | 9:2db641efba7e | 366 | // case LCD20x1: |
fcalzadas | 9:2db641efba7e | 367 | case LCD24x1: |
fcalzadas | 9:2db641efba7e | 368 | _function = 0x00; // FUNCTION SET 0 0 1 DL=0 (4 bit), N=0 (1-line display mode), F=0 (5*7dot), 0, IS |
fcalzadas | 9:2db641efba7e | 369 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
fcalzadas | 9:2db641efba7e | 370 | // Saved to allow switch between Instruction sets at later time |
fcalzadas | 9:2db641efba7e | 371 | break; |
fcalzadas | 9:2db641efba7e | 372 | |
fcalzadas | 9:2db641efba7e | 373 | case LCD12x3D: // Special mode for KS0078 and PCF21XX |
fcalzadas | 9:2db641efba7e | 374 | case LCD12x3D1: // Special mode for KS0078 and PCF21XX |
fcalzadas | 9:2db641efba7e | 375 | case LCD12x4D: // Special mode for KS0078 and PCF21XX |
fcalzadas | 9:2db641efba7e | 376 | case LCD16x3G: // Special mode for ST7036 |
fcalzadas | 9:2db641efba7e | 377 | case LCD24x4D: // Special mode for KS0078 |
fcalzadas | 9:2db641efba7e | 378 | error("Error: LCD Controller type does not support this Display type\n\r"); |
fcalzadas | 9:2db641efba7e | 379 | break; |
fcalzadas | 9:2db641efba7e | 380 | |
fcalzadas | 9:2db641efba7e | 381 | default: |
fcalzadas | 9:2db641efba7e | 382 | // All other LCD types are initialised as 2 Line displays |
fcalzadas | 9:2db641efba7e | 383 | _function = 0x08; // FUNCTION SET 0 0 1 DL=0 (4 bit), N=1 (2-line display mode), F=0 (5*7dot), 0, IS |
fcalzadas | 9:2db641efba7e | 384 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
fcalzadas | 9:2db641efba7e | 385 | // Saved to allow switch between Instruction sets at later time |
fcalzadas | 9:2db641efba7e | 386 | break; |
fcalzadas | 9:2db641efba7e | 387 | } // switch type |
fcalzadas | 9:2db641efba7e | 388 | |
fcalzadas | 9:2db641efba7e | 389 | // init special features |
fcalzadas | 9:2db641efba7e | 390 | _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N F 0 IS=1 Select Instr Set = 1 |
fcalzadas | 9:2db641efba7e | 391 | |
fcalzadas | 9:2db641efba7e | 392 | _writeCommand(0x1C); // Internal OSC frequency adjustment Framefreq=183HZ, Bias will be 1/4 (Instr Set=1) |
fcalzadas | 9:2db641efba7e | 393 | |
fcalzadas | 9:2db641efba7e | 394 | _contrast = LCD_ST7032_CONTRAST; |
fcalzadas | 9:2db641efba7e | 395 | _writeCommand(0x70 | (_contrast & 0x0F)); // Set Contrast Low bits, 0 1 1 1 C3 C2 C1 C0 (IS=1) |
fcalzadas | 9:2db641efba7e | 396 | |
fcalzadas | 9:2db641efba7e | 397 | |
fcalzadas | 9:2db641efba7e | 398 | if (_ctrl == ST7032_3V3) { |
fcalzadas | 9:2db641efba7e | 399 | // _icon_power = 0x04; // Icon display off, Booster circuit is turned on (IS=1) |
fcalzadas | 9:2db641efba7e | 400 | _icon_power = 0x0C; // Icon display on, Booster circuit is turned on (IS=1) |
fcalzadas | 9:2db641efba7e | 401 | // Saved to allow contrast change at later time |
fcalzadas | 9:2db641efba7e | 402 | } |
fcalzadas | 9:2db641efba7e | 403 | else { |
fcalzadas | 9:2db641efba7e | 404 | // _icon_power = 0x00; // Icon display off, Booster circuit is turned off (IS=1) |
fcalzadas | 9:2db641efba7e | 405 | _icon_power = 0x08; // Icon display on, Booster circuit is turned off (IS=1) |
fcalzadas | 9:2db641efba7e | 406 | // Saved to allow contrast change at later time |
fcalzadas | 9:2db641efba7e | 407 | } |
fcalzadas | 9:2db641efba7e | 408 | _writeCommand(0x50 | _icon_power | ((_contrast >> 4) & 0x03)); // Set Icon, Booster and Contrast High bits, 0 1 0 1 Ion Bon C5 C4 (IS=1) |
fcalzadas | 9:2db641efba7e | 409 | wait_ms(10); // Wait 10ms to ensure powered up |
fcalzadas | 9:2db641efba7e | 410 | |
fcalzadas | 9:2db641efba7e | 411 | _writeCommand(0x68 | (LCD_ST7032_RAB & 0x07)); // Voltage follower, 0 1 1 0 FOn=1, Ampl ratio Rab2=1, Rab1=0, Rab0=0 (IS=1) |
fcalzadas | 9:2db641efba7e | 412 | wait_ms(10); // Wait 10ms to ensure powered up |
fcalzadas | 9:2db641efba7e | 413 | |
fcalzadas | 9:2db641efba7e | 414 | _writeCommand(0x20 | _function); // Select Instruction Set = 0 |
fcalzadas | 9:2db641efba7e | 415 | |
fcalzadas | 9:2db641efba7e | 416 | break; // case ST7032_3V3 Controller |
fcalzadas | 9:2db641efba7e | 417 | // case ST7032_5V Controller |
fcalzadas | 9:2db641efba7e | 418 | |
fcalzadas | 9:2db641efba7e | 419 | case ST7036_3V3: |
fcalzadas | 9:2db641efba7e | 420 | // ST7036 controller: Initialise Voltage booster for VLCD. VDD=3V3 |
fcalzadas | 9:2db641efba7e | 421 | // Note: supports 1,2 (LCD_T_A) or 3 lines (LCD_T_G) |
fcalzadas | 9:2db641efba7e | 422 | case ST7036_5V: |
fcalzadas | 9:2db641efba7e | 423 | // ST7036 controller: Disable Voltage booster for VLCD. VDD=5V |
fcalzadas | 9:2db641efba7e | 424 | // Note: supports 1,2 (LCD_T_A) or 3 lines (LCD_T_G) |
fcalzadas | 9:2db641efba7e | 425 | |
fcalzadas | 9:2db641efba7e | 426 | // Initialise Display configuration |
fcalzadas | 9:2db641efba7e | 427 | switch (_type) { |
fcalzadas | 9:2db641efba7e | 428 | case LCD8x1: //8x1 is a regular 1 line display |
fcalzadas | 9:2db641efba7e | 429 | case LCD8x2B: //8x2D is a special case of 16x1 |
fcalzadas | 9:2db641efba7e | 430 | // case LCD12x1: |
fcalzadas | 9:2db641efba7e | 431 | case LCD16x1: |
fcalzadas | 9:2db641efba7e | 432 | case LCD24x1: |
fcalzadas | 9:2db641efba7e | 433 | _function = 0x00; // Set function, 0 0 1 DL=0 (4-bit Databus), N=0 (1 Line), DH=0 (5x7font), IS2, IS1 (Select Instruction Set) |
fcalzadas | 9:2db641efba7e | 434 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
fcalzadas | 9:2db641efba7e | 435 | // Saved to allow switch between Instruction sets at later time |
fcalzadas | 9:2db641efba7e | 436 | |
fcalzadas | 9:2db641efba7e | 437 | _bias_lines = 0x04; // Bias: 1/5, 1 or 2-Lines LCD |
fcalzadas | 9:2db641efba7e | 438 | break; |
fcalzadas | 9:2db641efba7e | 439 | |
fcalzadas | 9:2db641efba7e | 440 | // case LCD12x3G: // Special mode for ST7036 |
fcalzadas | 9:2db641efba7e | 441 | case LCD16x3G: // Special mode for ST7036 |
fcalzadas | 9:2db641efba7e | 442 | _function = 0x08; // Set function, 0 0 1 DL=0 (4-bit Databus), N=1 (2 Line), DH=0 (5x7font), IS2,IS1 (Select Instruction Set) |
fcalzadas | 9:2db641efba7e | 443 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
fcalzadas | 9:2db641efba7e | 444 | // Saved to allow switch between Instruction sets at later time |
fcalzadas | 9:2db641efba7e | 445 | |
fcalzadas | 9:2db641efba7e | 446 | _bias_lines = 0x05; // Bias: 1/5, 3-Lines LCD |
fcalzadas | 9:2db641efba7e | 447 | break; |
fcalzadas | 9:2db641efba7e | 448 | |
fcalzadas | 9:2db641efba7e | 449 | // case LCD12x3D1: // Special mode for KS0078 and PCF21XX |
fcalzadas | 9:2db641efba7e | 450 | // case LCD16x3D1: // Special mode for SSD1803 |
fcalzadas | 9:2db641efba7e | 451 | case LCD12x4D: // Special mode for PCF2116 |
fcalzadas | 9:2db641efba7e | 452 | case LCD24x4D: // Special mode for KS0078 |
fcalzadas | 9:2db641efba7e | 453 | error("Error: LCD Controller type does not support this Display type\n\r"); |
fcalzadas | 9:2db641efba7e | 454 | break; |
fcalzadas | 9:2db641efba7e | 455 | |
fcalzadas | 9:2db641efba7e | 456 | default: |
fcalzadas | 9:2db641efba7e | 457 | // All other LCD types are initialised as 2 Line displays (including LCD16x1C and LCD40x4) |
fcalzadas | 9:2db641efba7e | 458 | _function = 0x08; // Set function, 0 0 1 DL=0 (4-bit Databus), N=1 (2 Line), DH=0 (5x7font), IS2,IS1 (Select Instruction Set) |
fcalzadas | 9:2db641efba7e | 459 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
fcalzadas | 9:2db641efba7e | 460 | // Saved to allow switch between Instruction sets at later time |
fcalzadas | 9:2db641efba7e | 461 | |
fcalzadas | 9:2db641efba7e | 462 | _bias_lines = 0x04; // Bias: 1/5, 1 or 2-Lines LCD |
fcalzadas | 9:2db641efba7e | 463 | break; |
fcalzadas | 9:2db641efba7e | 464 | } // switch type |
fcalzadas | 9:2db641efba7e | 465 | |
fcalzadas | 9:2db641efba7e | 466 | |
fcalzadas | 9:2db641efba7e | 467 | // init special features |
fcalzadas | 9:2db641efba7e | 468 | _writeCommand(0x20 | _function | 0x01); // Set function, IS2,IS1 = 01 (Select Instr Set = 1) |
fcalzadas | 9:2db641efba7e | 469 | _writeCommand(0x10 | _bias_lines); // Set Bias and 1,2 or 3 lines (Instr Set 1) |
fcalzadas | 9:2db641efba7e | 470 | |
fcalzadas | 9:2db641efba7e | 471 | _contrast = LCD_ST7036_CONTRAST; |
fcalzadas | 9:2db641efba7e | 472 | _writeCommand(0x70 | (_contrast & 0x0F)); // Set Contrast, 0 1 1 1 C3 C2 C1 C0 (Instr Set 1) |
fcalzadas | 9:2db641efba7e | 473 | |
fcalzadas | 9:2db641efba7e | 474 | if (_ctrl == ST7036_3V3) { |
fcalzadas | 9:2db641efba7e | 475 | _icon_power = 0x0C; // Set Icon, Booster, Contrast High bits, 0 1 0 1 Ion=1 Bon=1 C5 C4 (Instr Set 1) |
fcalzadas | 9:2db641efba7e | 476 | // _icon_power = 0x04; // Set Icon, Booster, Contrast High bits, 0 1 0 1 Ion=0 Bon=1 C5 C4 (Instr Set 1) |
fcalzadas | 9:2db641efba7e | 477 | // Saved to allow contrast change at later time |
fcalzadas | 9:2db641efba7e | 478 | } |
fcalzadas | 9:2db641efba7e | 479 | else { |
fcalzadas | 9:2db641efba7e | 480 | _icon_power = 0x08; // Set Icon, Booster, Contrast High bits, 0 1 0 1 Ion=1 Bon=0 C5 C4 (Instr Set 1) |
fcalzadas | 9:2db641efba7e | 481 | // _icon_power = 0x00; // Set Icon, Booster, Contrast High bits, 0 1 0 1 Ion=0 Bon=0 C5 C4 (Instr Set 1) |
fcalzadas | 9:2db641efba7e | 482 | } |
fcalzadas | 9:2db641efba7e | 483 | |
fcalzadas | 9:2db641efba7e | 484 | _writeCommand(0x50 | _icon_power | ((_contrast >> 4) & 0x03)); // Set Contrast C5, C4 (Instr Set 1) |
fcalzadas | 9:2db641efba7e | 485 | wait_ms(10); // Wait 10ms to ensure powered up |
fcalzadas | 9:2db641efba7e | 486 | |
fcalzadas | 9:2db641efba7e | 487 | _writeCommand(0x68 | (LCD_ST7036_RAB & 0x07)); // Voltagefollower On = 1, Ampl ratio Rab2, Rab1, Rab0 = 1 0 1 (Instr Set 1) |
fcalzadas | 9:2db641efba7e | 488 | wait_ms(10); // Wait 10ms to ensure powered up |
fcalzadas | 9:2db641efba7e | 489 | |
fcalzadas | 9:2db641efba7e | 490 | _writeCommand(0x20 | _function); // Set function, IS2,IS1 = 00 (Select Instruction Set = 0) |
fcalzadas | 9:2db641efba7e | 491 | |
fcalzadas | 9:2db641efba7e | 492 | break; // case ST7036_3V3 Controller |
fcalzadas | 9:2db641efba7e | 493 | // case ST7036_5V Controller |
fcalzadas | 9:2db641efba7e | 494 | |
fcalzadas | 9:2db641efba7e | 495 | case ST7070: |
fcalzadas | 9:2db641efba7e | 496 | // Initialise Display configuration |
fcalzadas | 9:2db641efba7e | 497 | switch (_type) { |
fcalzadas | 9:2db641efba7e | 498 | case LCD8x1: //8x1 is a regular 1 line display |
fcalzadas | 9:2db641efba7e | 499 | case LCD8x2B: //8x2D is a special case of 16x1 |
fcalzadas | 9:2db641efba7e | 500 | // case LCD12x1: |
fcalzadas | 9:2db641efba7e | 501 | case LCD16x1: |
fcalzadas | 9:2db641efba7e | 502 | case LCD24x1: |
fcalzadas | 9:2db641efba7e | 503 | _function = dl | 0x00; // Set function, 0 0 1 DL=0 (4-bit Databus), N=0 (1 Line), EXT=0, x, x |
fcalzadas | 9:2db641efba7e | 504 | // Note: 4 bit mode is NOT ignored for native SPI ! |
fcalzadas | 9:2db641efba7e | 505 | // Saved to allow switch between Instruction sets at later time |
fcalzadas | 9:2db641efba7e | 506 | break; |
fcalzadas | 9:2db641efba7e | 507 | |
fcalzadas | 9:2db641efba7e | 508 | // case LCD12x3D1: // Special mode for KS0078 and PCF21XX |
fcalzadas | 9:2db641efba7e | 509 | // case LCD16x3D1: // Special mode for SSD1803 |
fcalzadas | 9:2db641efba7e | 510 | case LCD12x4D: // Special mode for PCF2116 |
fcalzadas | 9:2db641efba7e | 511 | case LCD24x4D: // Special mode for KS0078 |
fcalzadas | 9:2db641efba7e | 512 | // case LCD12x3G: // Special mode for ST7036 |
fcalzadas | 9:2db641efba7e | 513 | case LCD16x3G: // Special mode for ST7036 |
fcalzadas | 9:2db641efba7e | 514 | error("Error: LCD Controller type does not support this Display type\n\r"); |
fcalzadas | 9:2db641efba7e | 515 | break; |
fcalzadas | 9:2db641efba7e | 516 | |
fcalzadas | 9:2db641efba7e | 517 | default: |
fcalzadas | 9:2db641efba7e | 518 | // All other LCD types are initialised as 2 Line displays (including LCD16x1C and LCD40x4) |
fcalzadas | 9:2db641efba7e | 519 | _function = dl | 0x08; // Set function, 0 0 1 DL, N=1 (2 Line), EXT=0, x, x |
fcalzadas | 9:2db641efba7e | 520 | // Note: 4 bit mode is NOT ignored for native SPI ! |
fcalzadas | 9:2db641efba7e | 521 | // Saved to allow switch between Instruction sets at later time |
fcalzadas | 9:2db641efba7e | 522 | break; |
fcalzadas | 9:2db641efba7e | 523 | } // switch type |
fcalzadas | 9:2db641efba7e | 524 | |
fcalzadas | 9:2db641efba7e | 525 | // _writeCommand(0x00); // NOP, make sure to sync SPI |
fcalzadas | 9:2db641efba7e | 526 | |
fcalzadas | 9:2db641efba7e | 527 | // init special features |
fcalzadas | 9:2db641efba7e | 528 | _writeCommand(0x20 | _function | 0x04); // Set function, 0 0 1 DL N EXT=1 x x (Select Instr Set = 1) |
fcalzadas | 9:2db641efba7e | 529 | |
fcalzadas | 9:2db641efba7e | 530 | _writeCommand(0x04 | 0x00); // Set Bias resistors 0 0 0 0 0 1 Rb1,Rb0= 0 0 (Extern Res) (Instr Set 1) |
fcalzadas | 9:2db641efba7e | 531 | |
fcalzadas | 9:2db641efba7e | 532 | _writeCommand(0x40 | 0x00); // COM/SEG directions 0 1 0 0 C1, C2, S1, S2 (Instr Set 1) |
fcalzadas | 9:2db641efba7e | 533 | // C1=1: Com1-8 -> Com8-1; C2=1: Com9-16 -> Com16-9 |
fcalzadas | 9:2db641efba7e | 534 | // S1=1: Seg1-40 -> Seg40-1; S2=1: Seg41-80 -> Seg80-41 |
fcalzadas | 9:2db641efba7e | 535 | |
fcalzadas | 9:2db641efba7e | 536 | _writeCommand(0x20 | _function); // Set function, EXT=0 (Select Instr Set = 0) |
fcalzadas | 9:2db641efba7e | 537 | |
fcalzadas | 9:2db641efba7e | 538 | break; // case ST7070 Controller |
fcalzadas | 9:2db641efba7e | 539 | |
fcalzadas | 9:2db641efba7e | 540 | case SSD1803_3V3: |
fcalzadas | 9:2db641efba7e | 541 | // SSD1803 controller: Initialise Voltage booster for VLCD. VDD=3V3 |
fcalzadas | 9:2db641efba7e | 542 | // Note: supports 1,2, 3 or 4 lines |
fcalzadas | 9:2db641efba7e | 543 | // case SSD1803_5V: |
fcalzadas | 9:2db641efba7e | 544 | // SSD1803 controller: No Voltage booster for VLCD. VDD=5V |
fcalzadas | 9:2db641efba7e | 545 | |
fcalzadas | 9:2db641efba7e | 546 | // Initialise Display configuration |
fcalzadas | 9:2db641efba7e | 547 | switch (_type) { |
fcalzadas | 9:2db641efba7e | 548 | case LCD8x1: //8x1 is a regular 1 line display |
fcalzadas | 9:2db641efba7e | 549 | case LCD8x2B: //8x2D is a special case of 16x1 |
fcalzadas | 9:2db641efba7e | 550 | // case LCD12x1: |
fcalzadas | 9:2db641efba7e | 551 | case LCD16x1: |
fcalzadas | 9:2db641efba7e | 552 | case LCD24x1: |
fcalzadas | 9:2db641efba7e | 553 | _function = 0x00; // Set function 0 0 1 DL N DH RE(0) IS |
fcalzadas | 9:2db641efba7e | 554 | // Saved to allow switch between Instruction sets at later time |
fcalzadas | 9:2db641efba7e | 555 | // DL=0 4-bit Databus, |
fcalzadas | 9:2db641efba7e | 556 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
fcalzadas | 9:2db641efba7e | 557 | // N=0 1 Line / 3 Line |
fcalzadas | 9:2db641efba7e | 558 | // DH=0 Double Height disable |
fcalzadas | 9:2db641efba7e | 559 | // IS=0 |
fcalzadas | 9:2db641efba7e | 560 | |
fcalzadas | 9:2db641efba7e | 561 | _function_1 = 0x02; // Set function, 0 0 1 DL N BE RE(1) REV |
fcalzadas | 9:2db641efba7e | 562 | // Saved to allow switch between Instruction sets at later time |
fcalzadas | 9:2db641efba7e | 563 | // DL=0 4-bit Databus, |
fcalzadas | 9:2db641efba7e | 564 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
fcalzadas | 9:2db641efba7e | 565 | // N=0 1 Line / 3 Line |
fcalzadas | 9:2db641efba7e | 566 | // BE=0 Blink Enable off, special feature of SSD1803 |
fcalzadas | 9:2db641efba7e | 567 | // REV=0 Reverse off, special feature of SSD1803 |
fcalzadas | 9:2db641efba7e | 568 | |
fcalzadas | 9:2db641efba7e | 569 | _lines = 0x00; // Ext function set 0 0 0 0 1 FW BW NW |
fcalzadas | 9:2db641efba7e | 570 | // NW=0 1-Line LCD (N=0) |
fcalzadas | 9:2db641efba7e | 571 | break; |
fcalzadas | 9:2db641efba7e | 572 | |
fcalzadas | 9:2db641efba7e | 573 | case LCD12x3D: // Special mode for KS0078 and PCF21XX |
fcalzadas | 9:2db641efba7e | 574 | // case LCD12x3D1: // Special mode for KS0078 and PCF21XX |
fcalzadas | 9:2db641efba7e | 575 | case LCD16x3D: // Special mode for KS0078 |
fcalzadas | 9:2db641efba7e | 576 | // case LCD16x3D1: // Special mode for SSD1803 |
fcalzadas | 9:2db641efba7e | 577 | // case LCD20x3D: // Special mode for SSD1803 |
fcalzadas | 9:2db641efba7e | 578 | _function = 0x00; // Set function 0 0 1 DL N DH RE(0) IS |
fcalzadas | 9:2db641efba7e | 579 | // Saved to allow switch between Instruction sets at later time |
fcalzadas | 9:2db641efba7e | 580 | // DL=0 4-bit Databus, |
fcalzadas | 9:2db641efba7e | 581 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
fcalzadas | 9:2db641efba7e | 582 | // N=0 1 Line / 3 Line |
fcalzadas | 9:2db641efba7e | 583 | // DH=0 Double Height disable |
fcalzadas | 9:2db641efba7e | 584 | // IS=0 |
fcalzadas | 9:2db641efba7e | 585 | |
fcalzadas | 9:2db641efba7e | 586 | _function_1 = 0x02; // Set function, 0 0 1 DL N BE RE(1) REV |
fcalzadas | 9:2db641efba7e | 587 | // Saved to allow switch between Instruction sets at later time |
fcalzadas | 9:2db641efba7e | 588 | // DL=0 4-bit Databus, |
fcalzadas | 9:2db641efba7e | 589 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
fcalzadas | 9:2db641efba7e | 590 | // N=0 1 Line / 3 Line |
fcalzadas | 9:2db641efba7e | 591 | // BE=0 Blink Enable off, special feature of SSD1803 |
fcalzadas | 9:2db641efba7e | 592 | // REV=0 Reverse off, special feature of SSD1803 |
fcalzadas | 9:2db641efba7e | 593 | |
fcalzadas | 9:2db641efba7e | 594 | _lines = 0x00; // Ext function set 0 0 0 0 1 FW BW NW |
fcalzadas | 9:2db641efba7e | 595 | // NW=1 3-Line LCD (N=0) |
fcalzadas | 9:2db641efba7e | 596 | break; |
fcalzadas | 9:2db641efba7e | 597 | |
fcalzadas | 9:2db641efba7e | 598 | case LCD20x4D: // Special mode for SSD1803 |
fcalzadas | 9:2db641efba7e | 599 | _function = 0x08; // Set function 0 0 1 DL N DH RE(0) IS |
fcalzadas | 9:2db641efba7e | 600 | // Saved to allow switch between Instruction sets at later time |
fcalzadas | 9:2db641efba7e | 601 | // DL=0 4-bit Databus, |
fcalzadas | 9:2db641efba7e | 602 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
fcalzadas | 9:2db641efba7e | 603 | // N=1 4 Line |
fcalzadas | 9:2db641efba7e | 604 | // DH=0 Double Height disable |
fcalzadas | 9:2db641efba7e | 605 | // IS=0 |
fcalzadas | 9:2db641efba7e | 606 | |
fcalzadas | 9:2db641efba7e | 607 | _function_1 = 0x0A; // Set function, 0 0 1 DL N BE RE(1) REV |
fcalzadas | 9:2db641efba7e | 608 | // Saved to allow switch between Instruction sets at later time |
fcalzadas | 9:2db641efba7e | 609 | // DL=0 4-bit Databus, |
fcalzadas | 9:2db641efba7e | 610 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
fcalzadas | 9:2db641efba7e | 611 | // N=1 4 Line |
fcalzadas | 9:2db641efba7e | 612 | // BE=0 Blink Enable off, special feature of SSD1803 |
fcalzadas | 9:2db641efba7e | 613 | // REV=0 Reverse off, special feature of SSD1803 |
fcalzadas | 9:2db641efba7e | 614 | |
fcalzadas | 9:2db641efba7e | 615 | _lines = 0x01; // Ext function set 0 0 0 0 1 FW BW NW |
fcalzadas | 9:2db641efba7e | 616 | // NW=1 4-Line LCD (N=1) |
fcalzadas | 9:2db641efba7e | 617 | break; |
fcalzadas | 9:2db641efba7e | 618 | |
fcalzadas | 9:2db641efba7e | 619 | case LCD16x3G: // Special mode for ST7036 |
fcalzadas | 9:2db641efba7e | 620 | case LCD24x4D: // Special mode for KS0078 |
fcalzadas | 9:2db641efba7e | 621 | error("Error: LCD Controller type does not support this Display type\n\r"); |
fcalzadas | 9:2db641efba7e | 622 | break; |
fcalzadas | 9:2db641efba7e | 623 | |
fcalzadas | 9:2db641efba7e | 624 | default: |
fcalzadas | 9:2db641efba7e | 625 | // All other LCD types are initialised as 2 Line displays (including LCD16x1C and LCD40x4) |
fcalzadas | 9:2db641efba7e | 626 | _function = 0x08; // Set function 0 0 1 DL N DH RE(0) IS |
fcalzadas | 9:2db641efba7e | 627 | // Saved to allow switch between Instruction sets at later time |
fcalzadas | 9:2db641efba7e | 628 | // DL=0 4-bit Databus, |
fcalzadas | 9:2db641efba7e | 629 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
fcalzadas | 9:2db641efba7e | 630 | // N=1 2 line / 4 Line |
fcalzadas | 9:2db641efba7e | 631 | // DH=0 Double Height disable |
fcalzadas | 9:2db641efba7e | 632 | // RE=0 |
fcalzadas | 9:2db641efba7e | 633 | // IS=0 |
fcalzadas | 9:2db641efba7e | 634 | |
fcalzadas | 9:2db641efba7e | 635 | _function_1 = 0x0A; // Set function, 0 0 1 DL N BE RE(1) REV |
fcalzadas | 9:2db641efba7e | 636 | // Saved to allow switch between Instruction sets at later time |
fcalzadas | 9:2db641efba7e | 637 | // DL=0 4-bit Databus, |
fcalzadas | 9:2db641efba7e | 638 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
fcalzadas | 9:2db641efba7e | 639 | // N=1 2 line / 4 Line |
fcalzadas | 9:2db641efba7e | 640 | // BE=0 Blink Enable off, special feature of SSD1803 |
fcalzadas | 9:2db641efba7e | 641 | // RE=1 |
fcalzadas | 9:2db641efba7e | 642 | // REV=0 Reverse off, special feature of SSD1803 |
fcalzadas | 9:2db641efba7e | 643 | |
fcalzadas | 9:2db641efba7e | 644 | _lines = 0x00; // Ext function set 0 0 0 0 1 FW BW NW |
fcalzadas | 9:2db641efba7e | 645 | // NW=0 2-Line LCD (N=1) |
fcalzadas | 9:2db641efba7e | 646 | break; |
fcalzadas | 9:2db641efba7e | 647 | } // switch type |
fcalzadas | 9:2db641efba7e | 648 | |
fcalzadas | 9:2db641efba7e | 649 | |
fcalzadas | 9:2db641efba7e | 650 | // init special features |
fcalzadas | 9:2db641efba7e | 651 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 DL N BE RE(1) REV |
fcalzadas | 9:2db641efba7e | 652 | // Select Extended Instruction Set |
fcalzadas | 9:2db641efba7e | 653 | |
fcalzadas | 9:2db641efba7e | 654 | _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) |
fcalzadas | 9:2db641efba7e | 655 | // _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) |
fcalzadas | 9:2db641efba7e | 656 | wait_ms(5); // Wait to ensure completion or SSD1803 fails to set Top/Bottom after reset.. |
fcalzadas | 9:2db641efba7e | 657 | |
fcalzadas | 9:2db641efba7e | 658 | _writeCommand(0x08 | _lines); // Set ext function 0 0 0 0 1 FW BW NW 1,2,3 or 4 lines (Ext Instr Set) |
fcalzadas | 9:2db641efba7e | 659 | |
fcalzadas | 9:2db641efba7e | 660 | _writeCommand(0x10); // Double Height and Bias, 0 0 0 1 UD2=0, UD1=0, BS1=0 Bias 1/5, DH=0 (Ext Instr Set) |
fcalzadas | 9:2db641efba7e | 661 | |
fcalzadas | 9:2db641efba7e | 662 | // _writeCommand(0x76); // Set TC Control, 0 1 1 1 0 1 1 0 (Ext Instr Set) |
fcalzadas | 9:2db641efba7e | 663 | // _writeData(0x02); // Set TC data, 0 0 0 0 0 TC2,TC1,TC0 = 0 1 0 (Ext Instr Set) |
fcalzadas | 9:2db641efba7e | 664 | |
fcalzadas | 9:2db641efba7e | 665 | _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N DH RE(0) IS=1 Select Instruction Set 1 |
fcalzadas | 9:2db641efba7e | 666 | // Select Std Instr set, Select IS=1 |
fcalzadas | 9:2db641efba7e | 667 | |
fcalzadas | 9:2db641efba7e | 668 | _contrast = LCD_SSD1_CONTRAST; |
fcalzadas | 9:2db641efba7e | 669 | _writeCommand(0x70 | (_contrast & 0x0F)); // Set Contrast 0 1 1 1 C3, C2, C1, C0 (Instr Set 1) |
fcalzadas | 9:2db641efba7e | 670 | |
fcalzadas | 9:2db641efba7e | 671 | // _icon_power = 0x04; // Icon off, Booster on (Instr Set 1) |
fcalzadas | 9:2db641efba7e | 672 | _icon_power = 0x0C; // Icon on, Booster on (Instr Set 1) |
fcalzadas | 9:2db641efba7e | 673 | // Saved to allow contrast change at later time |
fcalzadas | 9:2db641efba7e | 674 | _writeCommand(0x50 | _icon_power | ((_contrast >> 4) & 0x03)); // Set Power, Icon and Contrast, 0 1 0 1 Ion Bon C5 C4 (Instr Set 1) |
fcalzadas | 9:2db641efba7e | 675 | wait_ms(10); // Wait 10ms to ensure powered up |
fcalzadas | 9:2db641efba7e | 676 | |
fcalzadas | 9:2db641efba7e | 677 | _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) |
fcalzadas | 9:2db641efba7e | 678 | wait_ms(10); // Wait 10ms to ensure powered up |
fcalzadas | 9:2db641efba7e | 679 | |
fcalzadas | 9:2db641efba7e | 680 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 DL N BE RE(1) REV |
fcalzadas | 9:2db641efba7e | 681 | // Select Extended Instruction Set 1 |
fcalzadas | 9:2db641efba7e | 682 | _writeCommand(0x10); // Shift/Scroll enable, 0 0 0 1 DS4/HS4 DS3/HS3 DS2/HS2 DS1/HS1 (Ext Instr Set 1) |
fcalzadas | 9:2db641efba7e | 683 | |
fcalzadas | 9:2db641efba7e | 684 | |
fcalzadas | 9:2db641efba7e | 685 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
fcalzadas | 9:2db641efba7e | 686 | // Select Std Instr set, Select IS=0 |
fcalzadas | 9:2db641efba7e | 687 | |
fcalzadas | 9:2db641efba7e | 688 | break; // case SSD1803 Controller |
fcalzadas | 9:2db641efba7e | 689 | |
fcalzadas | 9:2db641efba7e | 690 | |
fcalzadas | 9:2db641efba7e | 691 | // Note1: The PCF21XX family of controllers has several types that dont have an onboard voltage generator for V-LCD. |
fcalzadas | 9:2db641efba7e | 692 | // You must supply this LCD voltage externally and not try to enable VGen. |
fcalzadas | 9:2db641efba7e | 693 | // Note2: The early versions of PCF2116 controllers (eg PCF2116C) can not generate sufficiently negative voltage for the LCD at a VDD of 3V3. |
fcalzadas | 9:2db641efba7e | 694 | // You must supply this voltage externally and not enable VGen or you must use a higher VDD (e.g. 5V) and enable VGen. |
fcalzadas | 9:2db641efba7e | 695 | // More recent versions of the controller (eg PCF2116K) have an improved VGen that will work with 3V3. |
fcalzadas | 9:2db641efba7e | 696 | // 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 |
fcalzadas | 9:2db641efba7e | 697 | // contrast control similar to that of pin 3 on the standard 14pin LCD module connector. |
fcalzadas | 9:2db641efba7e | 698 | // You can disable VGen by connecting Vo to VDD. VLCD will then be used directly as LCD voltage. |
fcalzadas | 9:2db641efba7e | 699 | // 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. |
fcalzadas | 9:2db641efba7e | 700 | // 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. |
fcalzadas | 9:2db641efba7e | 701 | // Note5: See datasheet, members of the PCF21XX family support different numbers of rows/columns. Not all can support 3 or 4 rows. |
fcalzadas | 9:2db641efba7e | 702 | // 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.. |
fcalzadas | 9:2db641efba7e | 703 | |
fcalzadas | 9:2db641efba7e | 704 | case PCF2103_3V3: |
fcalzadas | 9:2db641efba7e | 705 | // PCF2103 controller: No Voltage generator for VLCD, VDD=3V3..5V, VLCD input controls contrast voltage. |
fcalzadas | 9:2db641efba7e | 706 | // Initialise Display configuration |
fcalzadas | 9:2db641efba7e | 707 | switch (_type) { |
fcalzadas | 9:2db641efba7e | 708 | case LCD24x1: |
fcalzadas | 9:2db641efba7e | 709 | _function = 0x00; //FUNCTION SET 0 0 1 DL=0 4-bit, 0, M=0 1-line/24 chars display mode, 0, H=0 |
fcalzadas | 9:2db641efba7e | 710 | //Note: 4 bit mode is ignored for I2C mode |
fcalzadas | 9:2db641efba7e | 711 | break; |
fcalzadas | 9:2db641efba7e | 712 | |
fcalzadas | 9:2db641efba7e | 713 | // case LCD12x1D: //Special mode for PCF21XX, Only top line used |
fcalzadas | 9:2db641efba7e | 714 | case LCD12x2: |
fcalzadas | 9:2db641efba7e | 715 | _function = 0x04; //FUNCTION SET 0 0 1 DL=0 4-bit, 0, M=1 2-line/12 chars display mode, 0, H=0 |
fcalzadas | 9:2db641efba7e | 716 | //Note: 4 bit mode is ignored for I2C mode |
fcalzadas | 9:2db641efba7e | 717 | break; |
fcalzadas | 9:2db641efba7e | 718 | |
fcalzadas | 9:2db641efba7e | 719 | default: |
fcalzadas | 9:2db641efba7e | 720 | error("Error: LCD Controller type does not support this Display type\n\r"); |
fcalzadas | 9:2db641efba7e | 721 | break; |
fcalzadas | 9:2db641efba7e | 722 | |
fcalzadas | 9:2db641efba7e | 723 | } // switch type |
fcalzadas | 9:2db641efba7e | 724 | |
fcalzadas | 9:2db641efba7e | 725 | _writeCommand(0x20 | _function | 0x01); // Set function, Select Instr Set = 1 |
fcalzadas | 9:2db641efba7e | 726 | wait_ms(10); // Wait 10ms to ensure powered up |
fcalzadas | 9:2db641efba7e | 727 | |
fcalzadas | 9:2db641efba7e | 728 | // 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. |
fcalzadas | 9:2db641efba7e | 729 | _writeCommand(0x05); // Display Conf Set 0000 0, 1, P=0, Q=1 (Instr. Set 1) |
fcalzadas | 9:2db641efba7e | 730 | |
fcalzadas | 9:2db641efba7e | 731 | _writeCommand(0x02); // Screen Config 0000 001, L=0 (Instr. Set 1) |
fcalzadas | 9:2db641efba7e | 732 | _writeCommand(0x08); // ICON Conf 0000 1, IM=0 (Char mode), IB=0 (no Icon blink), 0 (Instr. Set 1) |
fcalzadas | 9:2db641efba7e | 733 | |
fcalzadas | 9:2db641efba7e | 734 | _writeCommand(0x20 | _function); // Set function, Select Instr Set = 0 |
fcalzadas | 9:2db641efba7e | 735 | |
fcalzadas | 9:2db641efba7e | 736 | #if(0) |
fcalzadas | 9:2db641efba7e | 737 | // Select CG RAM |
fcalzadas | 9:2db641efba7e | 738 | _writeCommand(0x40); //Set CG-RAM address, 8 sequential locations needed per UDC |
fcalzadas | 9:2db641efba7e | 739 | // Store UDC/Icon pattern: |
fcalzadas | 9:2db641efba7e | 740 | // 3 x 8 rows x 5 bits = 120 bits for Normal pattern (UDC 0..2) and |
fcalzadas | 9:2db641efba7e | 741 | // 3 x 8 rows x 5 bits = 120 bits for Blink pattern (UDC 4..6) |
fcalzadas | 9:2db641efba7e | 742 | for (int i=0; i<(8 * 8); i++) { |
fcalzadas | 9:2db641efba7e | 743 | // _writeData(0x1F); // All On |
fcalzadas | 9:2db641efba7e | 744 | _writeData(0x00); // All Off |
fcalzadas | 9:2db641efba7e | 745 | } |
fcalzadas | 9:2db641efba7e | 746 | #endif |
fcalzadas | 9:2db641efba7e | 747 | break; // case PCF2103_3V3 Controller |
fcalzadas | 9:2db641efba7e | 748 | |
fcalzadas | 9:2db641efba7e | 749 | case PCF2113_3V3: |
fcalzadas | 9:2db641efba7e | 750 | // PCF2113 controller: Initialise Voltage booster for VLCD. VDD=3V3. VA and VB control contrast. |
fcalzadas | 9:2db641efba7e | 751 | // Initialise Display configuration |
fcalzadas | 9:2db641efba7e | 752 | switch (_type) { |
fcalzadas | 9:2db641efba7e | 753 | // case LCD12x1: |
fcalzadas | 9:2db641efba7e | 754 | // _function = 0x02; // FUNCTION SET 0 0 1 DL=0 4 bit, 0, M=0 1-line/12 chars display mode, SL=1, IS=0 |
fcalzadas | 9:2db641efba7e | 755 | // Note: 4 bit mode is ignored for I2C mode |
fcalzadas | 9:2db641efba7e | 756 | case LCD24x1: |
fcalzadas | 9:2db641efba7e | 757 | _function = 0x00; // FUNCTION SET 0 0 1 DL=0 4 bit, 0, M=0 1-line/24 chars display mode, SL=0, IS=0 |
fcalzadas | 9:2db641efba7e | 758 | // Note: 4 bit mode is ignored for I2C mode |
fcalzadas | 9:2db641efba7e | 759 | break; |
fcalzadas | 9:2db641efba7e | 760 | |
fcalzadas | 9:2db641efba7e | 761 | case LCD12x2: |
fcalzadas | 9:2db641efba7e | 762 | _function = 0x04; // FUNCTION SET 0 0 1 DL=0 4 bit, 0, M=1 2-line/12 chars display mode, SL=0, IS=0 |
fcalzadas | 9:2db641efba7e | 763 | break; |
fcalzadas | 9:2db641efba7e | 764 | |
fcalzadas | 9:2db641efba7e | 765 | default: |
fcalzadas | 9:2db641efba7e | 766 | error("Error: LCD Controller type does not support this Display type\n\r"); |
fcalzadas | 9:2db641efba7e | 767 | break; |
fcalzadas | 9:2db641efba7e | 768 | |
fcalzadas | 9:2db641efba7e | 769 | } // switch type |
fcalzadas | 9:2db641efba7e | 770 | |
fcalzadas | 9:2db641efba7e | 771 | // Init special features |
fcalzadas | 9:2db641efba7e | 772 | _writeCommand(0x20 | _function | 0x01); // Set function, Select Instr Set = 1 |
fcalzadas | 9:2db641efba7e | 773 | |
fcalzadas | 9:2db641efba7e | 774 | _writeCommand(0x04); // Display Conf Set 0000 0, 1, P=0, Q=0 (Instr. Set 1) |
fcalzadas | 9:2db641efba7e | 775 | _writeCommand(0x10); // Temp Compensation Set 0001 0, 0, TC1=0, TC2=0 (Instr. Set 1) |
fcalzadas | 9:2db641efba7e | 776 | // _writeCommand(0x42); // HV GEN 0100 S1=1, S2=0 (2x multiplier) (Instr. Set 1) |
fcalzadas | 9:2db641efba7e | 777 | _writeCommand(0x40 | (LCD_PCF2_S12 & 0x03)); // HV Gen 0100 S1=1, S2=0 (2x multiplier) (Instr. Set 1) |
fcalzadas | 9:2db641efba7e | 778 | |
fcalzadas | 9:2db641efba7e | 779 | _contrast = LCD_PCF2_CONTRAST; |
fcalzadas | 9:2db641efba7e | 780 | _writeCommand(0x80 | 0x00 | (_contrast & 0x3F)); // VLCD_set (Instr. Set 1) 1, V=0, VA=contrast |
fcalzadas | 9:2db641efba7e | 781 | _writeCommand(0x80 | 0x40 | (_contrast & 0x3F)); // VLCD_set (Instr. Set 1) 1, V=1, VB=contrast |
fcalzadas | 9:2db641efba7e | 782 | wait_ms(10); // Wait 10ms to ensure powered up |
fcalzadas | 9:2db641efba7e | 783 | |
fcalzadas | 9:2db641efba7e | 784 | _writeCommand(0x02); // Screen Config 0000 001, L=0 (Instr. Set 1) |
fcalzadas | 9:2db641efba7e | 785 | _writeCommand(0x08); // ICON Conf 0000 1, IM=0 (Char mode), IB=0 (no icon blink) DM=0 (no direct mode) (Instr. Set 1) |
fcalzadas | 9:2db641efba7e | 786 | |
fcalzadas | 9:2db641efba7e | 787 | _writeCommand(0x20 | _function); // Set function, Select Instr Set = 0 |
fcalzadas | 9:2db641efba7e | 788 | |
fcalzadas | 9:2db641efba7e | 789 | break; // case PCF2113_3V3 Controller |
fcalzadas | 9:2db641efba7e | 790 | |
fcalzadas | 9:2db641efba7e | 791 | |
fcalzadas | 9:2db641efba7e | 792 | // case PCF2113_5V: |
fcalzadas | 9:2db641efba7e | 793 | // PCF2113 controller: No Voltage generator for VLCD. VDD=5V. Contrast voltage controlled by VA or VB. |
fcalzadas | 9:2db641efba7e | 794 | //@TODO |
fcalzadas | 9:2db641efba7e | 795 | |
fcalzadas | 9:2db641efba7e | 796 | |
fcalzadas | 9:2db641efba7e | 797 | case PCF2116_3V3: |
fcalzadas | 9:2db641efba7e | 798 | // PCF2116 controller: Voltage generator for VLCD. VDD=5V. V0 controls contrast voltage. |
fcalzadas | 9:2db641efba7e | 799 | // Initialise Display configuration |
fcalzadas | 9:2db641efba7e | 800 | switch (_type) { |
fcalzadas | 9:2db641efba7e | 801 | // case LCD12x1: |
fcalzadas | 9:2db641efba7e | 802 | // case LCD12x2: |
fcalzadas | 9:2db641efba7e | 803 | case LCD24x1: |
fcalzadas | 9:2db641efba7e | 804 | _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 |
fcalzadas | 9:2db641efba7e | 805 | //Note: 4 bit mode is ignored for I2C mode |
fcalzadas | 9:2db641efba7e | 806 | wait_ms(10); // Wait 10ms to ensure powered up |
fcalzadas | 9:2db641efba7e | 807 | break; |
fcalzadas | 9:2db641efba7e | 808 | |
fcalzadas | 9:2db641efba7e | 809 | case LCD12x3D: // Special mode for KS0078 and PCF21XX |
fcalzadas | 9:2db641efba7e | 810 | case LCD12x3D1: // Special mode for PCF21XX |
fcalzadas | 9:2db641efba7e | 811 | case LCD12x4D: // Special mode for PCF21XX: |
fcalzadas | 9:2db641efba7e | 812 | _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 |
fcalzadas | 9:2db641efba7e | 813 | //Note: 4 bit mode is ignored for I2C mode |
fcalzadas | 9:2db641efba7e | 814 | wait_ms(10); // Wait 10ms to ensure powered up |
fcalzadas | 9:2db641efba7e | 815 | break; |
fcalzadas | 9:2db641efba7e | 816 | |
fcalzadas | 9:2db641efba7e | 817 | case LCD24x2: |
fcalzadas | 9:2db641efba7e | 818 | _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 |
fcalzadas | 9:2db641efba7e | 819 | //Note: 4 bit mode is ignored for I2C mode |
fcalzadas | 9:2db641efba7e | 820 | wait_ms(10); // Wait 10ms to ensure powered up |
fcalzadas | 9:2db641efba7e | 821 | break; |
fcalzadas | 9:2db641efba7e | 822 | |
fcalzadas | 9:2db641efba7e | 823 | default: |
fcalzadas | 9:2db641efba7e | 824 | error("Error: LCD Controller type does not support this Display type\n\r"); |
fcalzadas | 9:2db641efba7e | 825 | break; |
fcalzadas | 9:2db641efba7e | 826 | |
fcalzadas | 9:2db641efba7e | 827 | } // switch type |
fcalzadas | 9:2db641efba7e | 828 | |
fcalzadas | 9:2db641efba7e | 829 | break; // case PCF2116_3V3 Controller |
fcalzadas | 9:2db641efba7e | 830 | |
fcalzadas | 9:2db641efba7e | 831 | |
fcalzadas | 9:2db641efba7e | 832 | //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 |
fcalzadas | 9:2db641efba7e | 833 | //@TODO |
fcalzadas | 9:2db641efba7e | 834 | case PCF2116_5V: |
fcalzadas | 9:2db641efba7e | 835 | // PCF2116 controller: No Voltage generator for VLCD. VDD=5V. V0 controls contrast voltage. |
fcalzadas | 9:2db641efba7e | 836 | // Initialise Display configuration |
fcalzadas | 9:2db641efba7e | 837 | switch (_type) { |
fcalzadas | 9:2db641efba7e | 838 | // case LCD12x1: |
fcalzadas | 9:2db641efba7e | 839 | // case LCD12x2: |
fcalzadas | 9:2db641efba7e | 840 | // case LCD24x1: |
fcalzadas | 9:2db641efba7e | 841 | // _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 |
fcalzadas | 9:2db641efba7e | 842 | //Note: 4 bit mode is ignored for I2C mode |
fcalzadas | 9:2db641efba7e | 843 | // wait_ms(10); // Wait 10ms to ensure powered up |
fcalzadas | 9:2db641efba7e | 844 | // break; |
fcalzadas | 9:2db641efba7e | 845 | |
fcalzadas | 9:2db641efba7e | 846 | case LCD12x3D: // Special mode for KS0078 and PCF21XX |
fcalzadas | 9:2db641efba7e | 847 | case LCD12x3D1: // Special mode for PCF21XX |
fcalzadas | 9:2db641efba7e | 848 | case LCD12x4D: // Special mode for PCF21XX: |
fcalzadas | 9:2db641efba7e | 849 | // _writeCommand(0x34); //FUNCTION SET 8 bit, N=0/M=1 4-line/12 chars display mode OK |
fcalzadas | 9:2db641efba7e | 850 | // _writeCommand(0x24); //FUNCTION SET 4 bit, N=0/M=1 4-line/12 chars display mode OK |
fcalzadas | 9:2db641efba7e | 851 | _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 |
fcalzadas | 9:2db641efba7e | 852 | //Note: 4 bit mode is ignored for I2C mode |
fcalzadas | 9:2db641efba7e | 853 | wait_ms(10); // Wait 10ms to ensure powered up |
fcalzadas | 9:2db641efba7e | 854 | break; |
fcalzadas | 9:2db641efba7e | 855 | |
fcalzadas | 9:2db641efba7e | 856 | // case LCD24x2: |
fcalzadas | 9:2db641efba7e | 857 | // _writeCommand(0x28); //FUNCTION SET 4 bit, N=1/M=0 2-line/24 chars display mode |
fcalzadas | 9:2db641efba7e | 858 | //Note: 4 bit mode is ignored for I2C mode |
fcalzadas | 9:2db641efba7e | 859 | // wait_ms(10); // Wait 10ms to ensure powered up |
fcalzadas | 9:2db641efba7e | 860 | // break; |
fcalzadas | 9:2db641efba7e | 861 | |
fcalzadas | 9:2db641efba7e | 862 | default: |
fcalzadas | 9:2db641efba7e | 863 | error("Error: LCD Controller type does not support this Display type\n\r"); |
fcalzadas | 9:2db641efba7e | 864 | break; |
fcalzadas | 9:2db641efba7e | 865 | |
fcalzadas | 9:2db641efba7e | 866 | } // switch type |
fcalzadas | 9:2db641efba7e | 867 | |
fcalzadas | 9:2db641efba7e | 868 | break; // case PCF2116_5V Controller |
fcalzadas | 9:2db641efba7e | 869 | |
fcalzadas | 9:2db641efba7e | 870 | case PCF2119_3V3: |
fcalzadas | 9:2db641efba7e | 871 | // PCF2119 controller: Initialise Voltage booster for VLCD. VDD=3V3. VA and VB control contrast. |
fcalzadas | 9:2db641efba7e | 872 | // Note1: See datasheet, the PCF2119 supports icons and provides separate constrast control for Icons and characters. |
fcalzadas | 9:2db641efba7e | 873 | // Note2: Vgen is switched off when the contrast voltage VA or VB is set to 0x00. |
fcalzadas | 9:2db641efba7e | 874 | |
fcalzadas | 9:2db641efba7e | 875 | //POR or Hardware Reset should be applied |
fcalzadas | 9:2db641efba7e | 876 | wait_ms(10); // Wait 10ms to ensure powered up |
fcalzadas | 9:2db641efba7e | 877 | |
fcalzadas | 9:2db641efba7e | 878 | // Initialise Display configuration |
fcalzadas | 9:2db641efba7e | 879 | switch (_type) { |
fcalzadas | 9:2db641efba7e | 880 | case LCD8x1: |
fcalzadas | 9:2db641efba7e | 881 | // case LCD12x1: |
fcalzadas | 9:2db641efba7e | 882 | case LCD16x1: |
fcalzadas | 9:2db641efba7e | 883 | _function = 0x02; // FUNCTION SET 0 0 1 DL=0 4-bit, 0 , M=0 1-line/16 chars display mode, SL=1 |
fcalzadas | 9:2db641efba7e | 884 | // Note: 4 bit mode is ignored for I2C mode |
fcalzadas | 9:2db641efba7e | 885 | break; |
fcalzadas | 9:2db641efba7e | 886 | |
fcalzadas | 9:2db641efba7e | 887 | case LCD24x1: |
fcalzadas | 9:2db641efba7e | 888 | // case LCD32x1: |
fcalzadas | 9:2db641efba7e | 889 | _function = 0x00; // FUNCTION SET 0 0 1 DL=0 4-bit, 0 , M=0 1-line/32 chars display mode, SL=0 |
fcalzadas | 9:2db641efba7e | 890 | // Note: 4 bit mode is ignored for I2C mode |
fcalzadas | 9:2db641efba7e | 891 | break; |
fcalzadas | 9:2db641efba7e | 892 | |
fcalzadas | 9:2db641efba7e | 893 | case LCD8x2: |
fcalzadas | 9:2db641efba7e | 894 | // case LCD12x2: |
fcalzadas | 9:2db641efba7e | 895 | case LCD16x2: |
fcalzadas | 9:2db641efba7e | 896 | _function = 0x04; // FUNCTION SET 0 0 1 DL=0 4-bit, 0, M=1 2-line/16 chars display mode, SL=0 |
fcalzadas | 9:2db641efba7e | 897 | // Note: 4 bit mode is ignored for I2C mode |
fcalzadas | 9:2db641efba7e | 898 | break; |
fcalzadas | 9:2db641efba7e | 899 | |
fcalzadas | 9:2db641efba7e | 900 | default: |
fcalzadas | 9:2db641efba7e | 901 | error("Error: LCD Controller type does not support this Display type\n\r"); |
fcalzadas | 9:2db641efba7e | 902 | break; |
fcalzadas | 9:2db641efba7e | 903 | |
fcalzadas | 9:2db641efba7e | 904 | } // switch type |
fcalzadas | 9:2db641efba7e | 905 | |
fcalzadas | 9:2db641efba7e | 906 | // Init special features |
fcalzadas | 9:2db641efba7e | 907 | _writeCommand(0x20 | _function | 0x01); // Set function, Select Instruction Set = 1 |
fcalzadas | 9:2db641efba7e | 908 | |
fcalzadas | 9:2db641efba7e | 909 | _writeCommand(0x04); // DISP CONF SET (Instr. Set 1) 0000, 0, 1, P=0, Q=0 |
fcalzadas | 9:2db641efba7e | 910 | _writeCommand(0x10); // TEMP CTRL SET (Instr. Set 1) 0001, 0, 0, TC1=0, TC2=0 |
fcalzadas | 9:2db641efba7e | 911 | // _writeCommand(0x42); // HV GEN (Instr. Set 1) 0100, 0, 0, S1=1, S2=0 (2x multiplier) |
fcalzadas | 9:2db641efba7e | 912 | _writeCommand(0x40 | (LCD_PCF2_S12 & 0x03)); // HV GEN (Instr. Set 1) 0100, 0, 0, S1=1, S2=0 (2x multiplier) |
fcalzadas | 9:2db641efba7e | 913 | |
fcalzadas | 9:2db641efba7e | 914 | _contrast = LCD_PCF2_CONTRAST; |
fcalzadas | 9:2db641efba7e | 915 | _writeCommand(0x80 | 0x00 | (_contrast & 0x3F)); // VLCD_set (Instr. Set 1) V=0, VA=contrast |
fcalzadas | 9:2db641efba7e | 916 | _writeCommand(0x80 | 0x40 | (_contrast & 0x3F)); // VLCD_set (Instr. Set 1) V=1, VB=contrast |
fcalzadas | 9:2db641efba7e | 917 | wait_ms(10); // Wait 10ms to ensure powered up |
fcalzadas | 9:2db641efba7e | 918 | |
fcalzadas | 9:2db641efba7e | 919 | _writeCommand(0x02); // SCRN CONF (Instr. Set 1) L=0 |
fcalzadas | 9:2db641efba7e | 920 | _writeCommand(0x08); // ICON CONF (Instr. Set 1) IM=0 (Char mode) IB=0 (no icon blink) DM=0 (no direct mode) |
fcalzadas | 9:2db641efba7e | 921 | |
fcalzadas | 9:2db641efba7e | 922 | _writeCommand(0x20 | _function); // Select Instruction Set = 0 |
fcalzadas | 9:2db641efba7e | 923 | |
fcalzadas | 9:2db641efba7e | 924 | break; // case PCF2119_3V3 Controller |
fcalzadas | 9:2db641efba7e | 925 | |
fcalzadas | 9:2db641efba7e | 926 | // case PCF2119_5V: |
fcalzadas | 9:2db641efba7e | 927 | // PCF2119 controller: No Voltage booster for VLCD. VDD=3V3. VA and VB control contrast. |
fcalzadas | 9:2db641efba7e | 928 | // Note1: See datasheet, the PCF2119 supports icons and provides separate constrast control for Icons and characters. |
fcalzadas | 9:2db641efba7e | 929 | // Note2: Vgen is switched off when the contrast voltage VA or VB is set to 0x00. |
fcalzadas | 9:2db641efba7e | 930 | //@TODO |
fcalzadas | 9:2db641efba7e | 931 | |
fcalzadas | 9:2db641efba7e | 932 | case WS0010: |
fcalzadas | 9:2db641efba7e | 933 | // WS0010 OLED controller: Initialise DC/DC Voltage converter for LEDs |
fcalzadas | 9:2db641efba7e | 934 | // Note1: Identical to RS0010 |
fcalzadas | 9:2db641efba7e | 935 | // Note2: supports 1 or 2 lines (and 16x100 graphics) |
fcalzadas | 9:2db641efba7e | 936 | // supports 4 fonts (English/Japanese (default), Western European-I, English/Russian, Western European-II) |
fcalzadas | 9:2db641efba7e | 937 | // Cursor/Disp shift set 0001 SC RL 0 0 |
fcalzadas | 9:2db641efba7e | 938 | // |
fcalzadas | 9:2db641efba7e | 939 | // Mode and Power set 0001 GC PWR 1 1 |
fcalzadas | 9:2db641efba7e | 940 | // GC = 0 (Graph Mode=1, Char Mode=0) |
fcalzadas | 9:2db641efba7e | 941 | // PWR = 1 (DC/DC On/Off) |
fcalzadas | 9:2db641efba7e | 942 | |
fcalzadas | 9:2db641efba7e | 943 | //@Todo: This may be needed to enable a warm reboot |
fcalzadas | 9:2db641efba7e | 944 | //_writeCommand(0x13); // Char mode, DC/DC off |
fcalzadas | 9:2db641efba7e | 945 | //wait_ms(10); // Wait 10ms to ensure powered down |
fcalzadas | 9:2db641efba7e | 946 | _writeCommand(0x17); // Char mode, DC/DC on |
fcalzadas | 9:2db641efba7e | 947 | wait_ms(10); // Wait 10ms to ensure powered up |
fcalzadas | 9:2db641efba7e | 948 | |
fcalzadas | 9:2db641efba7e | 949 | // Initialise Display configuration |
fcalzadas | 9:2db641efba7e | 950 | switch (_type) { |
fcalzadas | 9:2db641efba7e | 951 | case LCD8x1: //8x1 is a regular 1 line display |
fcalzadas | 9:2db641efba7e | 952 | case LCD8x2B: //8x2B is a special case of 16x1 |
fcalzadas | 9:2db641efba7e | 953 | // case LCD12x1: |
fcalzadas | 9:2db641efba7e | 954 | case LCD16x1: |
fcalzadas | 9:2db641efba7e | 955 | case LCD24x1: |
fcalzadas | 9:2db641efba7e | 956 | _writeCommand(0x20); // Function set 001 DL N F FT1 FT0 |
fcalzadas | 9:2db641efba7e | 957 | // DL=0 (4 bits bus) |
fcalzadas | 9:2db641efba7e | 958 | // N=0 (1 line) |
fcalzadas | 9:2db641efba7e | 959 | // F=0 (5x7 dots font) |
fcalzadas | 9:2db641efba7e | 960 | // FT=00 (00 = Engl/Jap, 01 = WestEur1, 10 = Engl/Russian, 11 = WestEur2 |
fcalzadas | 9:2db641efba7e | 961 | break; |
fcalzadas | 9:2db641efba7e | 962 | |
fcalzadas | 9:2db641efba7e | 963 | case LCD12x3D: // Special mode for KS0078 and PCF21XX |
fcalzadas | 9:2db641efba7e | 964 | case LCD12x3D1: // Special mode for PCF21XX |
fcalzadas | 9:2db641efba7e | 965 | case LCD12x4D: // Special mode for PCF21XX: |
fcalzadas | 9:2db641efba7e | 966 | case LCD16x3G: // Special mode for ST7036 |
fcalzadas | 9:2db641efba7e | 967 | case LCD24x4D: // Special mode for KS0078 |
fcalzadas | 9:2db641efba7e | 968 | error("Error: LCD Controller type does not support this Display type\n\r"); |
fcalzadas | 9:2db641efba7e | 969 | break; |
fcalzadas | 9:2db641efba7e | 970 | |
fcalzadas | 9:2db641efba7e | 971 | default: |
fcalzadas | 9:2db641efba7e | 972 | // All other LCD types are initialised as 2 Line displays (including LCD16x1C and LCD40x4) |
fcalzadas | 9:2db641efba7e | 973 | _writeCommand(0x28); // Function set 001 DL N F FT1 FT0 |
fcalzadas | 9:2db641efba7e | 974 | // DL=0 (4 bits bus) |
fcalzadas | 9:2db641efba7e | 975 | // N=1 (2 lines) |
fcalzadas | 9:2db641efba7e | 976 | // F=0 (5x7 dots font) |
fcalzadas | 9:2db641efba7e | 977 | // FT=00 (00 = Engl/Jap, 01 = WestEur1, 10 = Engl/Russian, 11 = WestEur2 |
fcalzadas | 9:2db641efba7e | 978 | |
fcalzadas | 9:2db641efba7e | 979 | break; |
fcalzadas | 9:2db641efba7e | 980 | } // switch type |
fcalzadas | 9:2db641efba7e | 981 | |
fcalzadas | 9:2db641efba7e | 982 | break; // case WS0010 Controller |
fcalzadas | 9:2db641efba7e | 983 | |
fcalzadas | 9:2db641efba7e | 984 | |
fcalzadas | 9:2db641efba7e | 985 | case US2066_3V3: |
fcalzadas | 9:2db641efba7e | 986 | // US2066/SSD1311 OLED controller, Initialise for VDD=3V3 |
fcalzadas | 9:2db641efba7e | 987 | // Note: supports 1,2, 3 or 4 lines |
fcalzadas | 9:2db641efba7e | 988 | // case USS2066_5V: |
fcalzadas | 9:2db641efba7e | 989 | // US2066 controller, VDD=5V |
fcalzadas | 9:2db641efba7e | 990 | |
fcalzadas | 9:2db641efba7e | 991 | // Initialise Display configuration |
fcalzadas | 9:2db641efba7e | 992 | switch (_type) { |
fcalzadas | 9:2db641efba7e | 993 | case LCD8x1: //8x1 is a regular 1 line display |
fcalzadas | 9:2db641efba7e | 994 | case LCD8x2B: //8x2D is a special case of 16x1 |
fcalzadas | 9:2db641efba7e | 995 | // case LCD12x1: |
fcalzadas | 9:2db641efba7e | 996 | case LCD16x1: |
fcalzadas | 9:2db641efba7e | 997 | // case LCD20x1: |
fcalzadas | 9:2db641efba7e | 998 | _function = 0x00; // Set function 0 0 1 X N DH RE(0) IS |
fcalzadas | 9:2db641efba7e | 999 | // Saved to allow switch between Instruction sets at later time |
fcalzadas | 9:2db641efba7e | 1000 | // DL=X bit is ignored for US2066. Uses hardwired pins instead |
fcalzadas | 9:2db641efba7e | 1001 | // N=0 1 Line / 3 Line |
fcalzadas | 9:2db641efba7e | 1002 | // DH=0 Double Height disable |
fcalzadas | 9:2db641efba7e | 1003 | // IS=0 |
fcalzadas | 9:2db641efba7e | 1004 | |
fcalzadas | 9:2db641efba7e | 1005 | _function_1 = 0x02; // Set function, 0 0 1 X N BE RE(1) REV |
fcalzadas | 9:2db641efba7e | 1006 | // Saved to allow switch between Instruction sets at later time |
fcalzadas | 9:2db641efba7e | 1007 | // DL=X bit is ignored for US2066. Uses hardwired pins instead |
fcalzadas | 9:2db641efba7e | 1008 | // N=0 1 Line / 3 Line |
fcalzadas | 9:2db641efba7e | 1009 | // BE=0 Blink Enable off, special feature of SSD1803, US2066 |
fcalzadas | 9:2db641efba7e | 1010 | // REV=0 Reverse off, special feature of SSD1803, US2066 |
fcalzadas | 9:2db641efba7e | 1011 | |
fcalzadas | 9:2db641efba7e | 1012 | _lines = 0x00; // Ext function set 0 0 0 0 1 FW BW NW |
fcalzadas | 9:2db641efba7e | 1013 | // NW=0 1-Line LCD (N=0) |
fcalzadas | 9:2db641efba7e | 1014 | break; |
fcalzadas | 9:2db641efba7e | 1015 | |
fcalzadas | 9:2db641efba7e | 1016 | case LCD16x1C: |
fcalzadas | 9:2db641efba7e | 1017 | case LCD8x2: |
fcalzadas | 9:2db641efba7e | 1018 | case LCD16x2: |
fcalzadas | 9:2db641efba7e | 1019 | case LCD20x2: |
fcalzadas | 9:2db641efba7e | 1020 | _function = 0x08; // Set function 0 0 1 X N DH RE(0) IS |
fcalzadas | 9:2db641efba7e | 1021 | // Saved to allow switch between Instruction sets at later time |
fcalzadas | 9:2db641efba7e | 1022 | // DL=X bit is ignored for US2066. Uses hardwired pins instead |
fcalzadas | 9:2db641efba7e | 1023 | // N=1 2 line / 4 Line |
fcalzadas | 9:2db641efba7e | 1024 | // DH=0 Double Height disable |
fcalzadas | 9:2db641efba7e | 1025 | // IS=0 |
fcalzadas | 9:2db641efba7e | 1026 | |
fcalzadas | 9:2db641efba7e | 1027 | _function_1 = 0x0A; // Set function, 0 0 1 X N BE RE(1) REV |
fcalzadas | 9:2db641efba7e | 1028 | // Saved to allow switch between Instruction sets at later time |
fcalzadas | 9:2db641efba7e | 1029 | // DL=X bit is ignored for US2066. Uses hardwired pins instead |
fcalzadas | 9:2db641efba7e | 1030 | // N=1 2 line / 4 Line |
fcalzadas | 9:2db641efba7e | 1031 | // BE=0 Blink Enable off, special feature of SSD1803, US2066 |
fcalzadas | 9:2db641efba7e | 1032 | // REV=0 Reverse off, special feature of SSD1803, US2066 |
fcalzadas | 9:2db641efba7e | 1033 | |
fcalzadas | 9:2db641efba7e | 1034 | _lines = 0x00; // Ext function set 0 0 0 0 1 FW BW NW |
fcalzadas | 9:2db641efba7e | 1035 | // NW=0 2-Line LCD (N=1) |
fcalzadas | 9:2db641efba7e | 1036 | break; |
fcalzadas | 9:2db641efba7e | 1037 | |
fcalzadas | 9:2db641efba7e | 1038 | case LCD12x3D: // Special mode for KS0078 and PCF21XX |
fcalzadas | 9:2db641efba7e | 1039 | // case LCD12x3D1: // Special mode for KS0078 and PCF21XX |
fcalzadas | 9:2db641efba7e | 1040 | case LCD16x3D: // Special mode for KS0078, SSD1803 and US2066 |
fcalzadas | 9:2db641efba7e | 1041 | // case LCD16x3D1: // Special mode for SSD1803, US2066 |
fcalzadas | 9:2db641efba7e | 1042 | // case LCD20x3D: // Special mode for SSD1803, US2066 |
fcalzadas | 9:2db641efba7e | 1043 | _function = 0x00; // Set function 0 0 1 X N DH RE(0) IS |
fcalzadas | 9:2db641efba7e | 1044 | // Saved to allow switch between Instruction sets at later time |
fcalzadas | 9:2db641efba7e | 1045 | // DL=X bit is ignored for US2066. Uses hardwired pins instead |
fcalzadas | 9:2db641efba7e | 1046 | // N=0 1 Line / 3 Line |
fcalzadas | 9:2db641efba7e | 1047 | // DH=0 Double Height disable |
fcalzadas | 9:2db641efba7e | 1048 | // IS=0 |
fcalzadas | 9:2db641efba7e | 1049 | |
fcalzadas | 9:2db641efba7e | 1050 | _function_1 = 0x02; // Set function, 0 0 1 X N BE RE(1) REV |
fcalzadas | 9:2db641efba7e | 1051 | // Saved to allow switch between Instruction sets at later time |
fcalzadas | 9:2db641efba7e | 1052 | // DL=X bit is ignored for US2066. Uses hardwired pins instead |
fcalzadas | 9:2db641efba7e | 1053 | // N=0 1 Line / 3 Line |
fcalzadas | 9:2db641efba7e | 1054 | // BE=0 Blink Enable off, special feature of SSD1803, US2066 |
fcalzadas | 9:2db641efba7e | 1055 | // REV=0 Reverse off, special feature of SSD1803, US2066 |
fcalzadas | 9:2db641efba7e | 1056 | |
fcalzadas | 9:2db641efba7e | 1057 | _lines = 0x00; // Ext function set 0 0 0 0 1 FW BW NW |
fcalzadas | 9:2db641efba7e | 1058 | // NW=1 3-Line LCD (N=0) |
fcalzadas | 9:2db641efba7e | 1059 | break; |
fcalzadas | 9:2db641efba7e | 1060 | |
fcalzadas | 9:2db641efba7e | 1061 | case LCD20x4D: // Special mode for SSD1803, US2066 |
fcalzadas | 9:2db641efba7e | 1062 | _function = 0x08; // Set function 0 0 1 X N DH RE(0) IS |
fcalzadas | 9:2db641efba7e | 1063 | // Saved to allow switch between Instruction sets at later time |
fcalzadas | 9:2db641efba7e | 1064 | // DL=X bit is ignored for US2066. Uses hardwired pins instead |
fcalzadas | 9:2db641efba7e | 1065 | // N=1 2 line / 4 Line |
fcalzadas | 9:2db641efba7e | 1066 | // DH=0 Double Height disable |
fcalzadas | 9:2db641efba7e | 1067 | // IS=0 |
fcalzadas | 9:2db641efba7e | 1068 | |
fcalzadas | 9:2db641efba7e | 1069 | _function_1 = 0x0A; // Set function, 0 0 1 DL N BE RE(1) REV |
fcalzadas | 9:2db641efba7e | 1070 | // Saved to allow switch between Instruction sets at later time |
fcalzadas | 9:2db641efba7e | 1071 | // DL=0 bit is ignored for US2066. Uses hardwired pins instead |
fcalzadas | 9:2db641efba7e | 1072 | // N=1 2 line / 4 Line |
fcalzadas | 9:2db641efba7e | 1073 | // BE=0 Blink Enable off, special feature of SSD1803, US2066 |
fcalzadas | 9:2db641efba7e | 1074 | // REV=0 Reverse off, special feature of SSD1803, US2066 |
fcalzadas | 9:2db641efba7e | 1075 | |
fcalzadas | 9:2db641efba7e | 1076 | _lines = 0x01; // Ext function set 0 0 0 0 1 FW BW NW |
fcalzadas | 9:2db641efba7e | 1077 | // NW=1 4-Line LCD (N=1) |
fcalzadas | 9:2db641efba7e | 1078 | break; |
fcalzadas | 9:2db641efba7e | 1079 | |
fcalzadas | 9:2db641efba7e | 1080 | // case LCD24x1: |
fcalzadas | 9:2db641efba7e | 1081 | // case LCD16x3G: // Special mode for ST7036 |
fcalzadas | 9:2db641efba7e | 1082 | // case LCD24x4D: // Special mode for KS0078 |
fcalzadas | 9:2db641efba7e | 1083 | default: |
fcalzadas | 9:2db641efba7e | 1084 | error("Error: LCD Controller type does not support this Display type\n\r"); |
fcalzadas | 9:2db641efba7e | 1085 | break; |
fcalzadas | 9:2db641efba7e | 1086 | |
fcalzadas | 9:2db641efba7e | 1087 | } // switch type |
fcalzadas | 9:2db641efba7e | 1088 | |
fcalzadas | 9:2db641efba7e | 1089 | _writeCommand(0x00); // NOP, make sure to sync SPI |
fcalzadas | 9:2db641efba7e | 1090 | |
fcalzadas | 9:2db641efba7e | 1091 | // init special features |
fcalzadas | 9:2db641efba7e | 1092 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV |
fcalzadas | 9:2db641efba7e | 1093 | // Select Extended Instruction Set |
fcalzadas | 9:2db641efba7e | 1094 | |
fcalzadas | 9:2db641efba7e | 1095 | _writeCommand(0x71); // Function Select A: 0 1 1 1 0 0 0 1 (Ext Instr Set) |
fcalzadas | 9:2db641efba7e | 1096 | _writeData(0x00); // Disable Internal VDD |
fcalzadas | 9:2db641efba7e | 1097 | |
fcalzadas | 9:2db641efba7e | 1098 | _writeCommand(0x79); // Function Select OLED: 0 1 1 1 1 0 0 1 (Ext Instr Set) |
fcalzadas | 9:2db641efba7e | 1099 | |
fcalzadas | 9:2db641efba7e | 1100 | _writeCommand(0xD5); // Display Clock Divide Ratio: 1 1 0 1 0 1 0 1 (Ext Instr Set, OLED Instr Set) |
fcalzadas | 9:2db641efba7e | 1101 | _writeCommand(0x70); // Display Clock Divide Ratio value: 0 1 1 1 0 0 0 0 (Ext Instr Set, OLED Instr Set) |
fcalzadas | 9:2db641efba7e | 1102 | |
fcalzadas | 9:2db641efba7e | 1103 | _writeCommand(0x78); // Function Disable OLED: 0 1 1 1 1 0 0 0 (Ext Instr Set) |
fcalzadas | 9:2db641efba7e | 1104 | |
fcalzadas | 9:2db641efba7e | 1105 | // _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) |
fcalzadas | 9:2db641efba7e | 1106 | _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) |
fcalzadas | 9:2db641efba7e | 1107 | |
fcalzadas | 9:2db641efba7e | 1108 | _writeCommand(0x08 | _lines); // Set ext function 0 0 0 0 1 FW BW NW 1,2,3 or 4 lines (Ext Instr Set) |
fcalzadas | 9:2db641efba7e | 1109 | |
fcalzadas | 9:2db641efba7e | 1110 | // _writeCommand(0x1C); // Double Height, 0 0 0 1 UD2=1, UD1=1, X, DH'=0 (Ext Instr Set) |
fcalzadas | 9:2db641efba7e | 1111 | // // Default |
fcalzadas | 9:2db641efba7e | 1112 | |
fcalzadas | 9:2db641efba7e | 1113 | _writeCommand(0x72); // Function Select B: 0 1 1 1 0 0 1 0 (Ext Instr Set) |
fcalzadas | 9:2db641efba7e | 1114 | _writeData(0x01); // Select ROM A (CGRAM 8, CGROM 248) |
fcalzadas | 9:2db641efba7e | 1115 | |
fcalzadas | 9:2db641efba7e | 1116 | _writeCommand(0x79); // Function Select OLED: 0 1 1 1 1 0 0 1 (Ext Instr Set) |
fcalzadas | 9:2db641efba7e | 1117 | |
fcalzadas | 9:2db641efba7e | 1118 | _writeCommand(0xDA); // Set Segm Pins Config: 1 1 0 1 1 0 1 0 (Ext Instr Set, OLED) |
fcalzadas | 9:2db641efba7e | 1119 | _writeCommand(0x10); // Set Segm Pins Config value: Altern Odd/Even, Disable Remap (Ext Instr Set, OLED) |
fcalzadas | 9:2db641efba7e | 1120 | |
fcalzadas | 9:2db641efba7e | 1121 | _writeCommand(0xDC); // Function Select C: 1 1 0 1 1 1 0 0 (Ext Instr Set, OLED) |
fcalzadas | 9:2db641efba7e | 1122 | // _writeCommand(0x00); // Set internal VSL, GPIO pin HiZ (always read low) |
fcalzadas | 9:2db641efba7e | 1123 | _writeCommand(0x80); // Set external VSL, GPIO pin HiZ (always read low) |
fcalzadas | 9:2db641efba7e | 1124 | |
fcalzadas | 9:2db641efba7e | 1125 | _contrast = LCD_US20_CONTRAST; |
fcalzadas | 9:2db641efba7e | 1126 | _writeCommand(0x81); // Set Contrast Control: 1 0 0 0 0 0 0 1 (Ext Instr Set, OLED) |
fcalzadas | 9:2db641efba7e | 1127 | _writeCommand((_contrast << 2) | 0x03); // Set Contrast Value: 8 bits, use 6 bits for compatibility |
fcalzadas | 9:2db641efba7e | 1128 | |
fcalzadas | 9:2db641efba7e | 1129 | _writeCommand(0xD9); // Set Phase Length: 1 1 0 1 1 0 0 1 (Ext Instr Set, OLED) |
fcalzadas | 9:2db641efba7e | 1130 | _writeCommand(0xF1); // Set Phase Length Value: |
fcalzadas | 9:2db641efba7e | 1131 | |
fcalzadas | 9:2db641efba7e | 1132 | _writeCommand(0xDB); // Set VCOMH Deselect Lvl: 1 1 0 1 1 0 1 1 (Ext Instr Set, OLED) |
fcalzadas | 9:2db641efba7e | 1133 | _writeCommand(0x30); // Set VCOMH Deselect Value: 0.83 x VCC |
fcalzadas | 9:2db641efba7e | 1134 | |
fcalzadas | 9:2db641efba7e | 1135 | wait_ms(10); // Wait 10ms to ensure powered up |
fcalzadas | 9:2db641efba7e | 1136 | |
fcalzadas | 9:2db641efba7e | 1137 | //Test Fade/Blinking. Hard Blink on/off, No fade in/out ?? |
fcalzadas | 9:2db641efba7e | 1138 | // _writeCommand(0x23); // Set (Ext Instr Set, OLED) |
fcalzadas | 9:2db641efba7e | 1139 | // _writeCommand(0x3F); // Set interval 128 frames |
fcalzadas | 9:2db641efba7e | 1140 | //End Test Blinking |
fcalzadas | 9:2db641efba7e | 1141 | |
fcalzadas | 9:2db641efba7e | 1142 | _writeCommand(0x78); // Function Disable OLED: 0 1 1 1 1 0 0 0 (Ext Instr Set) |
fcalzadas | 9:2db641efba7e | 1143 | |
fcalzadas | 9:2db641efba7e | 1144 | _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 X N DH RE(0) IS=1 Select Instruction Set 1 |
fcalzadas | 9:2db641efba7e | 1145 | // Select Std Instr set, Select IS=1 |
fcalzadas | 9:2db641efba7e | 1146 | |
fcalzadas | 9:2db641efba7e | 1147 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV |
fcalzadas | 9:2db641efba7e | 1148 | // Select Ext Instr Set, IS=1 |
fcalzadas | 9:2db641efba7e | 1149 | _writeCommand(0x10); // Shift/Scroll enable, 0 0 0 1 DS4/HS4 DS3/HS3 DS2/HS2 DS1/HS1 (Ext Instr Set, IS=1) |
fcalzadas | 9:2db641efba7e | 1150 | |
fcalzadas | 9:2db641efba7e | 1151 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
fcalzadas | 9:2db641efba7e | 1152 | // Select Std Instr set, Select IS=0 |
fcalzadas | 9:2db641efba7e | 1153 | break; // case US2066/SSD1311 Controller |
fcalzadas | 9:2db641efba7e | 1154 | |
fcalzadas | 9:2db641efba7e | 1155 | //not yet tested on hardware |
fcalzadas | 9:2db641efba7e | 1156 | case PT6314 : |
fcalzadas | 9:2db641efba7e | 1157 | // Initialise Display configuration |
fcalzadas | 9:2db641efba7e | 1158 | switch (_type) { |
fcalzadas | 9:2db641efba7e | 1159 | case LCD8x1: //8x1 is a regular 1 line display |
fcalzadas | 9:2db641efba7e | 1160 | case LCD8x2B: //8x2B is a special case of 16x1 |
fcalzadas | 9:2db641efba7e | 1161 | // case LCD12x1: |
fcalzadas | 9:2db641efba7e | 1162 | case LCD16x1: |
fcalzadas | 9:2db641efba7e | 1163 | case LCD20x1: |
fcalzadas | 9:2db641efba7e | 1164 | case LCD24x1: |
fcalzadas | 9:2db641efba7e | 1165 | _function = 0x00; // Function set 001 DL N X BR1 BR0 |
fcalzadas | 9:2db641efba7e | 1166 | // DL=0 (4 bits bus) |
fcalzadas | 9:2db641efba7e | 1167 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
fcalzadas | 9:2db641efba7e | 1168 | // N=0 (1 line) |
fcalzadas | 9:2db641efba7e | 1169 | // X |
fcalzadas | 9:2db641efba7e | 1170 | // BR1=0 (2 significant bits for brightness |
fcalzadas | 9:2db641efba7e | 1171 | // BR0=0 |
fcalzadas | 9:2db641efba7e | 1172 | // 0x0 = 100% |
fcalzadas | 9:2db641efba7e | 1173 | // 0x1 = 75% |
fcalzadas | 9:2db641efba7e | 1174 | // 0x2 = 50% |
fcalzadas | 9:2db641efba7e | 1175 | // 0x3 = 25% |
fcalzadas | 9:2db641efba7e | 1176 | |
fcalzadas | 9:2db641efba7e | 1177 | break; |
fcalzadas | 9:2db641efba7e | 1178 | |
fcalzadas | 9:2db641efba7e | 1179 | // All other valid LCD types are initialised as 2 Line displays |
fcalzadas | 9:2db641efba7e | 1180 | case LCD8x2: |
fcalzadas | 9:2db641efba7e | 1181 | case LCD16x2: |
fcalzadas | 9:2db641efba7e | 1182 | case LCD20x2: |
fcalzadas | 9:2db641efba7e | 1183 | case LCD24x2: |
fcalzadas | 9:2db641efba7e | 1184 | _function = 0x08; // Function set 001 DL N X BR1 BR2 |
fcalzadas | 9:2db641efba7e | 1185 | // DL=0 (4 bits bus) |
fcalzadas | 9:2db641efba7e | 1186 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
fcalzadas | 9:2db641efba7e | 1187 | // N=1 (2 lines) |
fcalzadas | 9:2db641efba7e | 1188 | // X |
fcalzadas | 9:2db641efba7e | 1189 | // BR1=0 (2 significant bits for brightness |
fcalzadas | 9:2db641efba7e | 1190 | // BR0=0 |
fcalzadas | 9:2db641efba7e | 1191 | break; |
fcalzadas | 9:2db641efba7e | 1192 | |
fcalzadas | 9:2db641efba7e | 1193 | default: |
fcalzadas | 9:2db641efba7e | 1194 | error("Error: LCD Controller type does not support this Display type\n\r"); |
fcalzadas | 9:2db641efba7e | 1195 | break; |
fcalzadas | 9:2db641efba7e | 1196 | } // switch type |
fcalzadas | 9:2db641efba7e | 1197 | |
fcalzadas | 9:2db641efba7e | 1198 | _contrast = LCD_PT63_CONTRAST; |
fcalzadas | 9:2db641efba7e | 1199 | _writeCommand(0x20 | _function | ((~_contrast) >> 4)); // Invert and shift to use 2 MSBs |
fcalzadas | 9:2db641efba7e | 1200 | break; // case PT6314 Controller (VFD) |
fcalzadas | 9:2db641efba7e | 1201 | |
fcalzadas | 9:2db641efba7e | 1202 | case ST7066_ACM: // ST7066 4/8 bit, I2C on ACM1602 using a PIC |
fcalzadas | 9:2db641efba7e | 1203 | default: |
fcalzadas | 9:2db641efba7e | 1204 | // Devices fully compatible to HD44780 that do not use any DC/DC Voltage converters but external VLCD, no icons etc |
fcalzadas | 9:2db641efba7e | 1205 | |
fcalzadas | 9:2db641efba7e | 1206 | // Initialise Display configuration |
fcalzadas | 9:2db641efba7e | 1207 | switch (_type) { |
fcalzadas | 9:2db641efba7e | 1208 | case LCD8x1: //8x1 is a regular 1 line display |
fcalzadas | 9:2db641efba7e | 1209 | case LCD8x2B: //8x2B is a special case of 16x1 |
fcalzadas | 9:2db641efba7e | 1210 | // case LCD12x1: |
fcalzadas | 9:2db641efba7e | 1211 | case LCD16x1: |
fcalzadas | 9:2db641efba7e | 1212 | // case LCD20x1: |
fcalzadas | 9:2db641efba7e | 1213 | case LCD24x1: |
fcalzadas | 9:2db641efba7e | 1214 | // case LCD40x1: |
fcalzadas | 9:2db641efba7e | 1215 | _function = 0x00; // Function set 001 DL N F - - |
fcalzadas | 9:2db641efba7e | 1216 | // DL=0 (4 bits bus) |
fcalzadas | 9:2db641efba7e | 1217 | // N=0 (1 line) |
fcalzadas | 9:2db641efba7e | 1218 | // F=0 (5x7 dots font) |
fcalzadas | 9:2db641efba7e | 1219 | break; |
fcalzadas | 9:2db641efba7e | 1220 | |
fcalzadas | 9:2db641efba7e | 1221 | case LCD12x3D: // Special mode for KS0078 and PCF21XX |
fcalzadas | 9:2db641efba7e | 1222 | case LCD12x3D1: // Special mode for KS0078 and PCF21XX |
fcalzadas | 9:2db641efba7e | 1223 | case LCD12x4D: // Special mode for KS0078 and PCF21XX: |
fcalzadas | 9:2db641efba7e | 1224 | case LCD16x3D: // Special mode for KS0078 |
fcalzadas | 9:2db641efba7e | 1225 | // case LCD16x3D1: // Special mode for KS0078 |
fcalzadas | 9:2db641efba7e | 1226 | // case LCD24x3D: // Special mode for KS0078 |
fcalzadas | 9:2db641efba7e | 1227 | // case LCD24x3D1: // Special mode for KS0078 |
fcalzadas | 9:2db641efba7e | 1228 | case LCD24x4D: // Special mode for KS0078 |
fcalzadas | 9:2db641efba7e | 1229 | error("Error: LCD Controller type does not support this Display type\n\r"); |
fcalzadas | 9:2db641efba7e | 1230 | break; |
fcalzadas | 9:2db641efba7e | 1231 | |
fcalzadas | 9:2db641efba7e | 1232 | // All other LCD types are initialised as 2 Line displays (including LCD16x1C and LCD40x4) |
fcalzadas | 9:2db641efba7e | 1233 | default: |
fcalzadas | 9:2db641efba7e | 1234 | _function = 0x08; // Function set 001 DL N F - - |
fcalzadas | 9:2db641efba7e | 1235 | // DL=0 (4 bits bus) |
fcalzadas | 9:2db641efba7e | 1236 | // Note: 4 bit mode is ignored for native SPI and I2C devices |
fcalzadas | 9:2db641efba7e | 1237 | // N=1 (2 lines) |
fcalzadas | 9:2db641efba7e | 1238 | // F=0 (5x7 dots font, only option for 2 line display) |
fcalzadas | 9:2db641efba7e | 1239 | // - (Don't care) |
fcalzadas | 9:2db641efba7e | 1240 | break; |
fcalzadas | 9:2db641efba7e | 1241 | } // switch type |
fcalzadas | 9:2db641efba7e | 1242 | |
fcalzadas | 9:2db641efba7e | 1243 | _writeCommand(0x20 | _function); |
fcalzadas | 9:2db641efba7e | 1244 | break; // case default Controller |
fcalzadas | 9:2db641efba7e | 1245 | |
fcalzadas | 9:2db641efba7e | 1246 | } // switch Controller specific initialisations |
fcalzadas | 9:2db641efba7e | 1247 | |
fcalzadas | 9:2db641efba7e | 1248 | // Controller general initialisations |
fcalzadas | 9:2db641efba7e | 1249 | // _writeCommand(0x01); // cls, and set cursor to 0 |
fcalzadas | 9:2db641efba7e | 1250 | // wait_ms(10); // The CLS command takes 1.64 ms. |
fcalzadas | 9:2db641efba7e | 1251 | // // Since we are not using the Busy flag, Lets be safe and take 10 ms |
fcalzadas | 9:2db641efba7e | 1252 | |
fcalzadas | 9:2db641efba7e | 1253 | _writeCommand(0x02); // Return Home |
fcalzadas | 9:2db641efba7e | 1254 | // Cursor Home, DDRAM Address to Origin |
fcalzadas | 9:2db641efba7e | 1255 | |
fcalzadas | 9:2db641efba7e | 1256 | _writeCommand(0x06); // Entry Mode 0000 0 1 I/D S |
fcalzadas | 9:2db641efba7e | 1257 | // Cursor Direction and Display Shift |
fcalzadas | 9:2db641efba7e | 1258 | // I/D=1 (Cur incr) |
fcalzadas | 9:2db641efba7e | 1259 | // S=0 (No display shift) |
fcalzadas | 9:2db641efba7e | 1260 | |
fcalzadas | 9:2db641efba7e | 1261 | _writeCommand(0x14); // Cursor or Display shift 0001 S/C R/L x x |
fcalzadas | 9:2db641efba7e | 1262 | // S/C=0 Cursor moves |
fcalzadas | 9:2db641efba7e | 1263 | // R/L=1 Right |
fcalzadas | 9:2db641efba7e | 1264 | // |
fcalzadas | 9:2db641efba7e | 1265 | |
fcalzadas | 9:2db641efba7e | 1266 | // _writeCommand(0x0C); // Display Ctrl 0000 1 D C B |
fcalzadas | 9:2db641efba7e | 1267 | // // Display On, Cursor Off, Blink Off |
fcalzadas | 9:2db641efba7e | 1268 | |
fcalzadas | 9:2db641efba7e | 1269 | setCursor(CurOff_BlkOff); |
fcalzadas | 9:2db641efba7e | 1270 | setMode(DispOn); |
fcalzadas | 9:2db641efba7e | 1271 | } |
fcalzadas | 9:2db641efba7e | 1272 | |
fcalzadas | 9:2db641efba7e | 1273 | |
fcalzadas | 9:2db641efba7e | 1274 | /** Clear the screen, Cursor home. |
fcalzadas | 9:2db641efba7e | 1275 | */ |
fcalzadas | 9:2db641efba7e | 1276 | void TextLCD_Base::cls() { |
fcalzadas | 9:2db641efba7e | 1277 | |
fcalzadas | 9:2db641efba7e | 1278 | // Select and configure second LCD controller when needed |
fcalzadas | 9:2db641efba7e | 1279 | if(_type==LCD40x4) { |
fcalzadas | 9:2db641efba7e | 1280 | _ctrl_idx=_LCDCtrl_1; // Select 2nd controller |
fcalzadas | 9:2db641efba7e | 1281 | |
fcalzadas | 9:2db641efba7e | 1282 | // Second LCD controller Cursor always Off |
fcalzadas | 9:2db641efba7e | 1283 | _setCursorAndDisplayMode(_currentMode, CurOff_BlkOff); |
fcalzadas | 9:2db641efba7e | 1284 | |
fcalzadas | 9:2db641efba7e | 1285 | // Second LCD controller Clearscreen |
fcalzadas | 9:2db641efba7e | 1286 | _writeCommand(0x01); // cls, and set cursor to 0 |
fcalzadas | 9:2db641efba7e | 1287 | wait_ms(10); // The CLS command takes 1.64 ms. |
fcalzadas | 9:2db641efba7e | 1288 | // Since we are not using the Busy flag, Lets be safe and take 10 ms |
fcalzadas | 9:2db641efba7e | 1289 | |
fcalzadas | 9:2db641efba7e | 1290 | _ctrl_idx=_LCDCtrl_0; // Select primary controller |
fcalzadas | 9:2db641efba7e | 1291 | } |
fcalzadas | 9:2db641efba7e | 1292 | |
fcalzadas | 9:2db641efba7e | 1293 | // Primary LCD controller Clearscreen |
fcalzadas | 9:2db641efba7e | 1294 | _writeCommand(0x01); // cls, and set cursor to 0 |
fcalzadas | 9:2db641efba7e | 1295 | wait_ms(10); // The CLS command takes 1.64 ms. |
fcalzadas | 9:2db641efba7e | 1296 | // Since we are not using the Busy flag, Lets be safe and take 10 ms |
fcalzadas | 9:2db641efba7e | 1297 | |
fcalzadas | 9:2db641efba7e | 1298 | // Restore cursormode on primary LCD controller when needed |
fcalzadas | 9:2db641efba7e | 1299 | if(_type==LCD40x4) { |
fcalzadas | 9:2db641efba7e | 1300 | _setCursorAndDisplayMode(_currentMode,_currentCursor); |
fcalzadas | 9:2db641efba7e | 1301 | } |
fcalzadas | 9:2db641efba7e | 1302 | |
fcalzadas | 9:2db641efba7e | 1303 | setAddress(0, 0); // Reset Cursor location |
fcalzadas | 9:2db641efba7e | 1304 | // Note: This is needed because some displays (eg PCF21XX) don't use line 0 in the '3 Line' mode. |
fcalzadas | 9:2db641efba7e | 1305 | } |
fcalzadas | 9:2db641efba7e | 1306 | |
fcalzadas | 9:2db641efba7e | 1307 | /** Locate cursor to a screen column and row |
fcalzadas | 9:2db641efba7e | 1308 | * |
fcalzadas | 9:2db641efba7e | 1309 | * @param column The horizontal position from the left, indexed from 0 |
fcalzadas | 9:2db641efba7e | 1310 | * @param row The vertical position from the top, indexed from 0 |
fcalzadas | 9:2db641efba7e | 1311 | */ |
fcalzadas | 9:2db641efba7e | 1312 | void TextLCD_Base::locate(int column, int row) { |
fcalzadas | 9:2db641efba7e | 1313 | |
fcalzadas | 9:2db641efba7e | 1314 | // setAddress() does all the heavy lifting: |
fcalzadas | 9:2db641efba7e | 1315 | // check column and row sanity, |
fcalzadas | 9:2db641efba7e | 1316 | // switch controllers for LCD40x4 if needed |
fcalzadas | 9:2db641efba7e | 1317 | // switch cursor for LCD40x4 if needed |
fcalzadas | 9:2db641efba7e | 1318 | // set the new memory address to show cursor at correct location |
fcalzadas | 9:2db641efba7e | 1319 | setAddress(column, row); |
fcalzadas | 9:2db641efba7e | 1320 | } |
fcalzadas | 9:2db641efba7e | 1321 | |
fcalzadas | 9:2db641efba7e | 1322 | |
fcalzadas | 9:2db641efba7e | 1323 | /** Write a single character (Stream implementation) |
fcalzadas | 9:2db641efba7e | 1324 | */ |
fcalzadas | 9:2db641efba7e | 1325 | int TextLCD_Base::_putc(int value) { |
fcalzadas | 9:2db641efba7e | 1326 | int addr; |
fcalzadas | 9:2db641efba7e | 1327 | |
fcalzadas | 9:2db641efba7e | 1328 | if (value == '\n') { |
fcalzadas | 9:2db641efba7e | 1329 | //No character to write |
fcalzadas | 9:2db641efba7e | 1330 | |
fcalzadas | 9:2db641efba7e | 1331 | //Update Cursor |
fcalzadas | 9:2db641efba7e | 1332 | _column = 0; |
fcalzadas | 9:2db641efba7e | 1333 | _row++; |
fcalzadas | 9:2db641efba7e | 1334 | if (_row >= rows()) { |
fcalzadas | 9:2db641efba7e | 1335 | _row = 0; |
fcalzadas | 9:2db641efba7e | 1336 | } |
simon | 1:ac48b187213c | 1337 | } |
fcalzadas | 9:2db641efba7e | 1338 | else { |
fcalzadas | 9:2db641efba7e | 1339 | //Character to write |
fcalzadas | 9:2db641efba7e | 1340 | #if (LCD_DEFAULT_FONT == 1) |
fcalzadas | 9:2db641efba7e | 1341 | _writeData(value); |
fcalzadas | 9:2db641efba7e | 1342 | #else |
fcalzadas | 9:2db641efba7e | 1343 | _writeData(ASCII_2_LCD(value)); |
fcalzadas | 9:2db641efba7e | 1344 | #endif |
fcalzadas | 9:2db641efba7e | 1345 | //Update Cursor |
fcalzadas | 9:2db641efba7e | 1346 | _column++; |
fcalzadas | 9:2db641efba7e | 1347 | if (_column >= columns()) { |
simon | 1:ac48b187213c | 1348 | _column = 0; |
simon | 1:ac48b187213c | 1349 | _row++; |
simon | 1:ac48b187213c | 1350 | if (_row >= rows()) { |
fcalzadas | 9:2db641efba7e | 1351 | _row = 0; |
simon | 1:ac48b187213c | 1352 | } |
fcalzadas | 9:2db641efba7e | 1353 | } |
fcalzadas | 9:2db641efba7e | 1354 | } //else |
fcalzadas | 9:2db641efba7e | 1355 | |
fcalzadas | 9:2db641efba7e | 1356 | //Set next memoryaddress, make sure cursor blinks at next location |
fcalzadas | 9:2db641efba7e | 1357 | addr = getAddress(_column, _row); |
fcalzadas | 9:2db641efba7e | 1358 | _writeCommand(0x80 | addr); |
fcalzadas | 9:2db641efba7e | 1359 | |
simon | 1:ac48b187213c | 1360 | return value; |
simon | 1:ac48b187213c | 1361 | } |
simon | 1:ac48b187213c | 1362 | |
fcalzadas | 9:2db641efba7e | 1363 | |
fcalzadas | 9:2db641efba7e | 1364 | // get a single character (Stream implementation) |
fcalzadas | 9:2db641efba7e | 1365 | int TextLCD_Base::_getc() { |
simon | 1:ac48b187213c | 1366 | return -1; |
simon | 1:ac48b187213c | 1367 | } |
simon | 1:ac48b187213c | 1368 | |
fcalzadas | 9:2db641efba7e | 1369 | /** Convert ASCII character code to the LCD fonttable code |
fcalzadas | 9:2db641efba7e | 1370 | * |
fcalzadas | 9:2db641efba7e | 1371 | * @param c The character to write to the display |
fcalzadas | 9:2db641efba7e | 1372 | * @return The character code for the specific fonttable of the controller |
fcalzadas | 9:2db641efba7e | 1373 | */ |
fcalzadas | 9:2db641efba7e | 1374 | int TextLCD_Base::ASCII_2_LCD (int c) { |
fcalzadas | 9:2db641efba7e | 1375 | |
fcalzadas | 9:2db641efba7e | 1376 | //LCD_C_FT0 is default for HD44780 and compatible series |
fcalzadas | 9:2db641efba7e | 1377 | if (_font == LCD_C_FT0) return c; |
fcalzadas | 9:2db641efba7e | 1378 | |
fcalzadas | 9:2db641efba7e | 1379 | //LCD_C_FT1 for PCF21XXC series |
fcalzadas | 9:2db641efba7e | 1380 | //Used code from Suga koubou library for PCF2119 |
fcalzadas | 9:2db641efba7e | 1381 | if (((c >= ' ') && (c <= '?')) || ((c >= 'A') && (c <= 'Z')) || ((c >= 'a') && (c <= 'z'))) { |
fcalzadas | 9:2db641efba7e | 1382 | c |= 0x80; |
fcalzadas | 9:2db641efba7e | 1383 | } else if (c >= 0xf0 && c <= 0xff) { |
fcalzadas | 9:2db641efba7e | 1384 | c &= 0x0f; |
fcalzadas | 9:2db641efba7e | 1385 | } |
fcalzadas | 9:2db641efba7e | 1386 | return c; |
fcalzadas | 9:2db641efba7e | 1387 | |
fcalzadas | 9:2db641efba7e | 1388 | //LCD_C_FT2 ... |
fcalzadas | 9:2db641efba7e | 1389 | //@TODO add more, eg cyrillic |
fcalzadas | 9:2db641efba7e | 1390 | //@TODO add method to switch between fonts for controllers that support this |
fcalzadas | 9:2db641efba7e | 1391 | } |
fcalzadas | 9:2db641efba7e | 1392 | |
fcalzadas | 9:2db641efba7e | 1393 | |
fcalzadas | 9:2db641efba7e | 1394 | #if(LCD_PRINTF != 1) |
fcalzadas | 9:2db641efba7e | 1395 | /** Write a character to the LCD |
fcalzadas | 9:2db641efba7e | 1396 | * |
fcalzadas | 9:2db641efba7e | 1397 | * @param c The character to write to the display |
fcalzadas | 9:2db641efba7e | 1398 | */ |
fcalzadas | 9:2db641efba7e | 1399 | int TextLCD_Base::putc(int c){ |
fcalzadas | 9:2db641efba7e | 1400 | return _putc(c); |
fcalzadas | 9:2db641efba7e | 1401 | } |
fcalzadas | 9:2db641efba7e | 1402 | |
fcalzadas | 9:2db641efba7e | 1403 | |
fcalzadas | 9:2db641efba7e | 1404 | /** Write a raw string to the LCD |
fcalzadas | 9:2db641efba7e | 1405 | * |
fcalzadas | 9:2db641efba7e | 1406 | * @param string text, may be followed by variables to emulate formatting the string. |
fcalzadas | 9:2db641efba7e | 1407 | * However, printf formatting is NOT supported and variables will be ignored! |
fcalzadas | 9:2db641efba7e | 1408 | */ |
fcalzadas | 9:2db641efba7e | 1409 | int TextLCD_Base::printf(const char* text, ...) { |
fcalzadas | 9:2db641efba7e | 1410 | |
fcalzadas | 9:2db641efba7e | 1411 | while (*text !=0) { |
fcalzadas | 9:2db641efba7e | 1412 | _putc(*text); |
fcalzadas | 9:2db641efba7e | 1413 | text++; |
fcalzadas | 9:2db641efba7e | 1414 | } |
fcalzadas | 9:2db641efba7e | 1415 | return 0; |
fcalzadas | 9:2db641efba7e | 1416 | } |
fcalzadas | 9:2db641efba7e | 1417 | #endif |
fcalzadas | 9:2db641efba7e | 1418 | |
fcalzadas | 9:2db641efba7e | 1419 | |
fcalzadas | 9:2db641efba7e | 1420 | // Write a nibble using the 4-bit interface |
fcalzadas | 9:2db641efba7e | 1421 | void TextLCD_Base::_writeNibble(int value) { |
fcalzadas | 9:2db641efba7e | 1422 | |
fcalzadas | 9:2db641efba7e | 1423 | // Enable is Low |
fcalzadas | 9:2db641efba7e | 1424 | this->_setEnable(true); |
fcalzadas | 9:2db641efba7e | 1425 | this->_setData(value); // Low nibble |
fcalzadas | 9:2db641efba7e | 1426 | wait_us(1); // Data setup time |
fcalzadas | 9:2db641efba7e | 1427 | this->_setEnable(false); |
fcalzadas | 9:2db641efba7e | 1428 | wait_us(1); // Datahold time |
fcalzadas | 9:2db641efba7e | 1429 | // Enable is Low |
fcalzadas | 9:2db641efba7e | 1430 | } |
fcalzadas | 9:2db641efba7e | 1431 | |
fcalzadas | 9:2db641efba7e | 1432 | // Write a byte using the 4-bit interface |
fcalzadas | 9:2db641efba7e | 1433 | void TextLCD_Base::_writeByte(int value) { |
fcalzadas | 9:2db641efba7e | 1434 | |
fcalzadas | 9:2db641efba7e | 1435 | // Enable is Low |
fcalzadas | 9:2db641efba7e | 1436 | this->_setEnable(true); |
fcalzadas | 9:2db641efba7e | 1437 | this->_setData(value >> 4); // High nibble |
fcalzadas | 9:2db641efba7e | 1438 | wait_us(1); // Data setup time |
fcalzadas | 9:2db641efba7e | 1439 | this->_setEnable(false); |
fcalzadas | 9:2db641efba7e | 1440 | wait_us(1); // Data hold time |
fcalzadas | 9:2db641efba7e | 1441 | |
fcalzadas | 9:2db641efba7e | 1442 | this->_setEnable(true); |
fcalzadas | 9:2db641efba7e | 1443 | this->_setData(value); // Low nibble |
fcalzadas | 9:2db641efba7e | 1444 | wait_us(1); // Data setup time |
fcalzadas | 9:2db641efba7e | 1445 | this->_setEnable(false); |
fcalzadas | 9:2db641efba7e | 1446 | wait_us(1); // Datahold time |
fcalzadas | 9:2db641efba7e | 1447 | |
fcalzadas | 9:2db641efba7e | 1448 | // Enable is Low |
fcalzadas | 9:2db641efba7e | 1449 | } |
fcalzadas | 9:2db641efba7e | 1450 | |
fcalzadas | 9:2db641efba7e | 1451 | // Write a command byte to the LCD controller |
fcalzadas | 9:2db641efba7e | 1452 | void TextLCD_Base::_writeCommand(int command) { |
fcalzadas | 9:2db641efba7e | 1453 | |
fcalzadas | 9:2db641efba7e | 1454 | this->_setRS(false); |
fcalzadas | 9:2db641efba7e | 1455 | wait_us(1); // Data setup time for RS |
fcalzadas | 9:2db641efba7e | 1456 | |
fcalzadas | 9:2db641efba7e | 1457 | this->_writeByte(command); |
fcalzadas | 9:2db641efba7e | 1458 | wait_us(40); // most instructions take 40us |
fcalzadas | 9:2db641efba7e | 1459 | } |
fcalzadas | 9:2db641efba7e | 1460 | |
fcalzadas | 9:2db641efba7e | 1461 | // Write a data byte to the LCD controller |
fcalzadas | 9:2db641efba7e | 1462 | void TextLCD_Base::_writeData(int data) { |
fcalzadas | 9:2db641efba7e | 1463 | |
fcalzadas | 9:2db641efba7e | 1464 | this->_setRS(true); |
fcalzadas | 9:2db641efba7e | 1465 | wait_us(1); // Data setup time for RS |
fcalzadas | 9:2db641efba7e | 1466 | |
fcalzadas | 9:2db641efba7e | 1467 | this->_writeByte(data); |
fcalzadas | 9:2db641efba7e | 1468 | wait_us(40); // data writes take 40us |
fcalzadas | 9:2db641efba7e | 1469 | } |
fcalzadas | 9:2db641efba7e | 1470 | |
fcalzadas | 9:2db641efba7e | 1471 | |
fcalzadas | 9:2db641efba7e | 1472 | // This replaces the original _address() method. |
fcalzadas | 9:2db641efba7e | 1473 | // It is confusing since it returns the memoryaddress or-ed with the set memorycommand 0x80. |
fcalzadas | 9:2db641efba7e | 1474 | // Left it in here for compatibility with older code. New applications should use getAddress() instead. |
fcalzadas | 9:2db641efba7e | 1475 | int TextLCD_Base::_address(int column, int row) { |
fcalzadas | 9:2db641efba7e | 1476 | return 0x80 | getAddress(column, row); |
simon | 1:ac48b187213c | 1477 | } |
simon | 1:ac48b187213c | 1478 | |
fcalzadas | 9:2db641efba7e | 1479 | |
fcalzadas | 9:2db641efba7e | 1480 | // This is new method to return the memory address based on row, column and displaytype. |
fcalzadas | 9:2db641efba7e | 1481 | // |
fcalzadas | 9:2db641efba7e | 1482 | /** Return the memoryaddress of screen column and row location |
fcalzadas | 9:2db641efba7e | 1483 | * |
fcalzadas | 9:2db641efba7e | 1484 | * @param column The horizontal position from the left, indexed from 0 |
fcalzadas | 9:2db641efba7e | 1485 | * @param row The vertical position from the top, indexed from 0 |
fcalzadas | 9:2db641efba7e | 1486 | * @return The memoryaddress of screen column and row location |
fcalzadas | 9:2db641efba7e | 1487 | * |
fcalzadas | 9:2db641efba7e | 1488 | */ |
fcalzadas | 9:2db641efba7e | 1489 | int TextLCD_Base::getAddress(int column, int row) { |
fcalzadas | 9:2db641efba7e | 1490 | |
fcalzadas | 9:2db641efba7e | 1491 | switch (_addr_mode) { |
fcalzadas | 9:2db641efba7e | 1492 | |
fcalzadas | 9:2db641efba7e | 1493 | case LCD_T_A: |
fcalzadas | 9:2db641efba7e | 1494 | //Default addressing mode for 1, 2 and 4 rows (except 40x4) |
fcalzadas | 9:2db641efba7e | 1495 | //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. |
fcalzadas | 9:2db641efba7e | 1496 | //Displays top rows when less than four are used. |
fcalzadas | 9:2db641efba7e | 1497 | switch (row) { |
fcalzadas | 9:2db641efba7e | 1498 | case 0: |
fcalzadas | 9:2db641efba7e | 1499 | return 0x00 + column; |
fcalzadas | 9:2db641efba7e | 1500 | case 1: |
fcalzadas | 9:2db641efba7e | 1501 | return 0x40 + column; |
fcalzadas | 9:2db641efba7e | 1502 | case 2: |
fcalzadas | 9:2db641efba7e | 1503 | return 0x00 + _nr_cols + column; |
fcalzadas | 9:2db641efba7e | 1504 | case 3: |
fcalzadas | 9:2db641efba7e | 1505 | return 0x40 + _nr_cols + column; |
fcalzadas | 9:2db641efba7e | 1506 | // Should never get here. |
fcalzadas | 9:2db641efba7e | 1507 | default: |
fcalzadas | 9:2db641efba7e | 1508 | return 0x00; |
fcalzadas | 9:2db641efba7e | 1509 | } |
fcalzadas | 9:2db641efba7e | 1510 | |
fcalzadas | 9:2db641efba7e | 1511 | case LCD_T_B: |
fcalzadas | 9:2db641efba7e | 1512 | // LCD8x2B is a special layout of LCD16x1 |
fcalzadas | 9:2db641efba7e | 1513 | if (row==0) |
fcalzadas | 9:2db641efba7e | 1514 | return 0x00 + column; |
fcalzadas | 9:2db641efba7e | 1515 | else |
fcalzadas | 9:2db641efba7e | 1516 | // return _nr_cols + column; |
fcalzadas | 9:2db641efba7e | 1517 | return 0x08 + column; |
fcalzadas | 9:2db641efba7e | 1518 | |
fcalzadas | 9:2db641efba7e | 1519 | case LCD_T_C: |
fcalzadas | 9:2db641efba7e | 1520 | // LCD16x1C is a special layout of LCD8x2 |
fcalzadas | 9:2db641efba7e | 1521 | // LCD32x1C is a special layout of LCD16x2 |
fcalzadas | 9:2db641efba7e | 1522 | // LCD40x1C is a special layout of LCD20x2 |
fcalzadas | 9:2db641efba7e | 1523 | #if(0) |
fcalzadas | 9:2db641efba7e | 1524 | if (column < 8) |
fcalzadas | 9:2db641efba7e | 1525 | return 0x00 + column; |
fcalzadas | 9:2db641efba7e | 1526 | else |
fcalzadas | 9:2db641efba7e | 1527 | return 0x40 + (column - 8); |
fcalzadas | 9:2db641efba7e | 1528 | #else |
fcalzadas | 9:2db641efba7e | 1529 | if (column < (_nr_cols >> 1)) |
fcalzadas | 9:2db641efba7e | 1530 | return 0x00 + column; |
fcalzadas | 9:2db641efba7e | 1531 | else |
fcalzadas | 9:2db641efba7e | 1532 | return 0x40 + (column - (_nr_cols >> 1)); |
fcalzadas | 9:2db641efba7e | 1533 | #endif |
fcalzadas | 9:2db641efba7e | 1534 | |
fcalzadas | 9:2db641efba7e | 1535 | // Not sure about this one, seems wrong. |
fcalzadas | 9:2db641efba7e | 1536 | // Left in for compatibility with original library |
fcalzadas | 9:2db641efba7e | 1537 | // case LCD16x2B: |
fcalzadas | 9:2db641efba7e | 1538 | // return 0x00 + (row * 40) + column; |
fcalzadas | 9:2db641efba7e | 1539 | |
fcalzadas | 9:2db641efba7e | 1540 | case LCD_T_D: |
fcalzadas | 9:2db641efba7e | 1541 | //Alternate addressing mode for 3 and 4 row displays (except 40x4). Used by PCF21XX, KS0073, KS0078, SSD1803 |
fcalzadas | 9:2db641efba7e | 1542 | //The 4 available rows start at a hardcoded address. |
fcalzadas | 9:2db641efba7e | 1543 | //Displays top rows when less than four are used. |
fcalzadas | 9:2db641efba7e | 1544 | switch (row) { |
fcalzadas | 9:2db641efba7e | 1545 | case 0: |
fcalzadas | 9:2db641efba7e | 1546 | return 0x00 + column; |
fcalzadas | 9:2db641efba7e | 1547 | case 1: |
fcalzadas | 9:2db641efba7e | 1548 | return 0x20 + column; |
fcalzadas | 9:2db641efba7e | 1549 | case 2: |
fcalzadas | 9:2db641efba7e | 1550 | return 0x40 + column; |
fcalzadas | 9:2db641efba7e | 1551 | case 3: |
fcalzadas | 9:2db641efba7e | 1552 | return 0x60 + column; |
fcalzadas | 9:2db641efba7e | 1553 | // Should never get here. |
fcalzadas | 9:2db641efba7e | 1554 | default: |
fcalzadas | 9:2db641efba7e | 1555 | return 0x00; |
fcalzadas | 9:2db641efba7e | 1556 | } |
fcalzadas | 9:2db641efba7e | 1557 | |
fcalzadas | 9:2db641efba7e | 1558 | case LCD_T_D1: |
fcalzadas | 9:2db641efba7e | 1559 | //Alternate addressing mode for 3 row displays. Used by PCF21XX, KS0073, KS0078, SSD1803 |
fcalzadas | 9:2db641efba7e | 1560 | //The 4 available rows start at a hardcoded address. |
fcalzadas | 9:2db641efba7e | 1561 | //Skips top row of 4 row display and starts display at row 1 |
fcalzadas | 9:2db641efba7e | 1562 | switch (row) { |
fcalzadas | 9:2db641efba7e | 1563 | case 0: |
fcalzadas | 9:2db641efba7e | 1564 | return 0x20 + column; |
fcalzadas | 9:2db641efba7e | 1565 | case 1: |
fcalzadas | 9:2db641efba7e | 1566 | return 0x40 + column; |
fcalzadas | 9:2db641efba7e | 1567 | case 2: |
fcalzadas | 9:2db641efba7e | 1568 | return 0x60 + column; |
fcalzadas | 9:2db641efba7e | 1569 | // Should never get here. |
fcalzadas | 9:2db641efba7e | 1570 | default: |
fcalzadas | 9:2db641efba7e | 1571 | return 0x00; |
fcalzadas | 9:2db641efba7e | 1572 | } |
fcalzadas | 9:2db641efba7e | 1573 | |
fcalzadas | 9:2db641efba7e | 1574 | case LCD_T_E: |
fcalzadas | 9:2db641efba7e | 1575 | // LCD40x4 is a special case since it has 2 controllers. |
fcalzadas | 9:2db641efba7e | 1576 | // Each controller is configured as 40x2 (Type A) |
fcalzadas | 9:2db641efba7e | 1577 | if (row<2) { |
fcalzadas | 9:2db641efba7e | 1578 | // Test to see if we need to switch between controllers |
fcalzadas | 9:2db641efba7e | 1579 | if (_ctrl_idx != _LCDCtrl_0) { |
fcalzadas | 9:2db641efba7e | 1580 | |
fcalzadas | 9:2db641efba7e | 1581 | // Second LCD controller Cursor Off |
fcalzadas | 9:2db641efba7e | 1582 | _setCursorAndDisplayMode(_currentMode, CurOff_BlkOff); |
fcalzadas | 9:2db641efba7e | 1583 | |
fcalzadas | 9:2db641efba7e | 1584 | // Select primary controller |
fcalzadas | 9:2db641efba7e | 1585 | _ctrl_idx = _LCDCtrl_0; |
fcalzadas | 9:2db641efba7e | 1586 | |
fcalzadas | 9:2db641efba7e | 1587 | // Restore cursormode on primary LCD controller |
fcalzadas | 9:2db641efba7e | 1588 | _setCursorAndDisplayMode(_currentMode, _currentCursor); |
fcalzadas | 9:2db641efba7e | 1589 | } |
fcalzadas | 9:2db641efba7e | 1590 | |
fcalzadas | 9:2db641efba7e | 1591 | return 0x00 + (row * 0x40) + column; |
fcalzadas | 9:2db641efba7e | 1592 | } |
fcalzadas | 9:2db641efba7e | 1593 | else { |
fcalzadas | 9:2db641efba7e | 1594 | |
fcalzadas | 9:2db641efba7e | 1595 | // Test to see if we need to switch between controllers |
fcalzadas | 9:2db641efba7e | 1596 | if (_ctrl_idx != _LCDCtrl_1) { |
fcalzadas | 9:2db641efba7e | 1597 | // Primary LCD controller Cursor Off |
fcalzadas | 9:2db641efba7e | 1598 | _setCursorAndDisplayMode(_currentMode, CurOff_BlkOff); |
fcalzadas | 9:2db641efba7e | 1599 | |
fcalzadas | 9:2db641efba7e | 1600 | // Select secondary controller |
fcalzadas | 9:2db641efba7e | 1601 | _ctrl_idx = _LCDCtrl_1; |
fcalzadas | 9:2db641efba7e | 1602 | |
fcalzadas | 9:2db641efba7e | 1603 | // Restore cursormode on secondary LCD controller |
fcalzadas | 9:2db641efba7e | 1604 | _setCursorAndDisplayMode(_currentMode, _currentCursor); |
fcalzadas | 9:2db641efba7e | 1605 | } |
fcalzadas | 9:2db641efba7e | 1606 | |
fcalzadas | 9:2db641efba7e | 1607 | return 0x00 + ((row-2) * 0x40) + column; |
fcalzadas | 9:2db641efba7e | 1608 | } |
fcalzadas | 9:2db641efba7e | 1609 | |
fcalzadas | 9:2db641efba7e | 1610 | case LCD_T_F: |
fcalzadas | 9:2db641efba7e | 1611 | //Alternate addressing mode for 3 row displays. |
fcalzadas | 9:2db641efba7e | 1612 | //The first half of 3rd row continues from 1st row, the second half continues from 2nd row. |
fcalzadas | 9:2db641efba7e | 1613 | switch (row) { |
fcalzadas | 9:2db641efba7e | 1614 | case 0: |
fcalzadas | 9:2db641efba7e | 1615 | return 0x00 + column; |
fcalzadas | 9:2db641efba7e | 1616 | case 1: |
fcalzadas | 9:2db641efba7e | 1617 | return 0x40 + column; |
fcalzadas | 9:2db641efba7e | 1618 | case 2: |
fcalzadas | 9:2db641efba7e | 1619 | if (column < (_nr_cols >> 1)) // check first or second half of line |
fcalzadas | 9:2db641efba7e | 1620 | return (0x00 + _nr_cols + column); |
fcalzadas | 9:2db641efba7e | 1621 | else |
fcalzadas | 9:2db641efba7e | 1622 | return (0x40 + _nr_cols + (column - (_nr_cols >> 1))); |
fcalzadas | 9:2db641efba7e | 1623 | // Should never get here. |
fcalzadas | 9:2db641efba7e | 1624 | default: |
fcalzadas | 9:2db641efba7e | 1625 | return 0x00; |
fcalzadas | 9:2db641efba7e | 1626 | } |
fcalzadas | 9:2db641efba7e | 1627 | |
fcalzadas | 9:2db641efba7e | 1628 | case LCD_T_G: |
fcalzadas | 9:2db641efba7e | 1629 | //Alternate addressing mode for 3 row displays. Used by ST7036 |
fcalzadas | 9:2db641efba7e | 1630 | switch (row) { |
fcalzadas | 9:2db641efba7e | 1631 | case 0: |
fcalzadas | 9:2db641efba7e | 1632 | return 0x00 + column; |
fcalzadas | 9:2db641efba7e | 1633 | case 1: |
fcalzadas | 9:2db641efba7e | 1634 | return 0x10 + column; |
fcalzadas | 9:2db641efba7e | 1635 | case 2: |
fcalzadas | 9:2db641efba7e | 1636 | return 0x20 + column; |
fcalzadas | 9:2db641efba7e | 1637 | // Should never get here. |
fcalzadas | 9:2db641efba7e | 1638 | default: |
fcalzadas | 9:2db641efba7e | 1639 | return 0x00; |
fcalzadas | 9:2db641efba7e | 1640 | } |
fcalzadas | 9:2db641efba7e | 1641 | |
fcalzadas | 9:2db641efba7e | 1642 | // Should never get here. |
fcalzadas | 9:2db641efba7e | 1643 | default: |
fcalzadas | 9:2db641efba7e | 1644 | return 0x00; |
fcalzadas | 9:2db641efba7e | 1645 | |
fcalzadas | 9:2db641efba7e | 1646 | } // switch _addr_mode |
simon | 1:ac48b187213c | 1647 | } |
simon | 1:ac48b187213c | 1648 | |
fcalzadas | 9:2db641efba7e | 1649 | |
fcalzadas | 9:2db641efba7e | 1650 | /** Set the memoryaddress of screen column and row location |
fcalzadas | 9:2db641efba7e | 1651 | * |
fcalzadas | 9:2db641efba7e | 1652 | * @param column The horizontal position from the left, indexed from 0 |
fcalzadas | 9:2db641efba7e | 1653 | * @param row The vertical position from the top, indexed from 0 |
fcalzadas | 9:2db641efba7e | 1654 | */ |
fcalzadas | 9:2db641efba7e | 1655 | void TextLCD_Base::setAddress(int column, int row) { |
fcalzadas | 9:2db641efba7e | 1656 | |
fcalzadas | 9:2db641efba7e | 1657 | // Sanity Check column |
fcalzadas | 9:2db641efba7e | 1658 | if (column < 0) { |
fcalzadas | 9:2db641efba7e | 1659 | _column = 0; |
fcalzadas | 9:2db641efba7e | 1660 | } |
fcalzadas | 9:2db641efba7e | 1661 | else if (column >= _nr_cols) { |
fcalzadas | 9:2db641efba7e | 1662 | _column = _nr_cols - 1; |
fcalzadas | 9:2db641efba7e | 1663 | } else _column = column; |
fcalzadas | 9:2db641efba7e | 1664 | |
fcalzadas | 9:2db641efba7e | 1665 | // Sanity Check row |
fcalzadas | 9:2db641efba7e | 1666 | if (row < 0) { |
fcalzadas | 9:2db641efba7e | 1667 | _row = 0; |
fcalzadas | 9:2db641efba7e | 1668 | } |
fcalzadas | 9:2db641efba7e | 1669 | else if (row >= _nr_rows) { |
fcalzadas | 9:2db641efba7e | 1670 | _row = _nr_rows - 1; |
fcalzadas | 9:2db641efba7e | 1671 | } else _row = row; |
fcalzadas | 9:2db641efba7e | 1672 | |
fcalzadas | 9:2db641efba7e | 1673 | |
fcalzadas | 9:2db641efba7e | 1674 | // Compute the memory address |
fcalzadas | 9:2db641efba7e | 1675 | // For LCD40x4: switch controllers if needed |
fcalzadas | 9:2db641efba7e | 1676 | // switch cursor if needed |
fcalzadas | 9:2db641efba7e | 1677 | int addr = getAddress(_column, _row); |
fcalzadas | 9:2db641efba7e | 1678 | |
fcalzadas | 9:2db641efba7e | 1679 | _writeCommand(0x80 | addr); |
fcalzadas | 9:2db641efba7e | 1680 | } |
fcalzadas | 9:2db641efba7e | 1681 | |
fcalzadas | 9:2db641efba7e | 1682 | |
fcalzadas | 9:2db641efba7e | 1683 | /** Return the number of columns |
fcalzadas | 9:2db641efba7e | 1684 | * |
fcalzadas | 9:2db641efba7e | 1685 | * @return The number of columns |
fcalzadas | 9:2db641efba7e | 1686 | * |
fcalzadas | 9:2db641efba7e | 1687 | * Note: some configurations are commented out because they have not yet been tested due to lack of hardware |
fcalzadas | 9:2db641efba7e | 1688 | */ |
fcalzadas | 9:2db641efba7e | 1689 | int TextLCD_Base::columns() { |
fcalzadas | 9:2db641efba7e | 1690 | |
fcalzadas | 9:2db641efba7e | 1691 | // Columns encoded in b7..b0 |
fcalzadas | 9:2db641efba7e | 1692 | //return (_type & 0xFF); |
fcalzadas | 9:2db641efba7e | 1693 | return _nr_cols; |
fcalzadas | 9:2db641efba7e | 1694 | } |
fcalzadas | 9:2db641efba7e | 1695 | |
fcalzadas | 9:2db641efba7e | 1696 | /** Return the number of rows |
fcalzadas | 9:2db641efba7e | 1697 | * |
fcalzadas | 9:2db641efba7e | 1698 | * @return The number of rows |
fcalzadas | 9:2db641efba7e | 1699 | * |
fcalzadas | 9:2db641efba7e | 1700 | * Note: some configurations are commented out because they have not yet been tested due to lack of hardware |
fcalzadas | 9:2db641efba7e | 1701 | */ |
fcalzadas | 9:2db641efba7e | 1702 | int TextLCD_Base::rows() { |
fcalzadas | 9:2db641efba7e | 1703 | |
fcalzadas | 9:2db641efba7e | 1704 | // Rows encoded in b15..b8 |
fcalzadas | 9:2db641efba7e | 1705 | //return ((_type >> 8) & 0xFF); |
fcalzadas | 9:2db641efba7e | 1706 | return _nr_rows; |
fcalzadas | 9:2db641efba7e | 1707 | } |
fcalzadas | 9:2db641efba7e | 1708 | |
fcalzadas | 9:2db641efba7e | 1709 | /** Set the Cursormode |
fcalzadas | 9:2db641efba7e | 1710 | * |
fcalzadas | 9:2db641efba7e | 1711 | * @param cursorMode The Cursor mode (CurOff_BlkOff, CurOn_BlkOff, CurOff_BlkOn, CurOn_BlkOn) |
fcalzadas | 9:2db641efba7e | 1712 | */ |
fcalzadas | 9:2db641efba7e | 1713 | void TextLCD_Base::setCursor(LCDCursor cursorMode) { |
fcalzadas | 9:2db641efba7e | 1714 | |
fcalzadas | 9:2db641efba7e | 1715 | // Save new cursor mode, needed when 2 controllers are in use or when display is switched off/on |
fcalzadas | 9:2db641efba7e | 1716 | _currentCursor = cursorMode; |
fcalzadas | 9:2db641efba7e | 1717 | |
fcalzadas | 9:2db641efba7e | 1718 | // Configure only current LCD controller |
fcalzadas | 9:2db641efba7e | 1719 | _setCursorAndDisplayMode(_currentMode, _currentCursor); |
fcalzadas | 9:2db641efba7e | 1720 | } |
fcalzadas | 9:2db641efba7e | 1721 | |
fcalzadas | 9:2db641efba7e | 1722 | /** Set the Displaymode |
fcalzadas | 9:2db641efba7e | 1723 | * |
fcalzadas | 9:2db641efba7e | 1724 | * @param displayMode The Display mode (DispOff, DispOn) |
fcalzadas | 9:2db641efba7e | 1725 | */ |
fcalzadas | 9:2db641efba7e | 1726 | void TextLCD_Base::setMode(LCDMode displayMode) { |
fcalzadas | 9:2db641efba7e | 1727 | |
fcalzadas | 9:2db641efba7e | 1728 | // Save new displayMode, needed when 2 controllers are in use or when cursor is changed |
fcalzadas | 9:2db641efba7e | 1729 | _currentMode = displayMode; |
fcalzadas | 9:2db641efba7e | 1730 | |
fcalzadas | 9:2db641efba7e | 1731 | // Select and configure second LCD controller when needed |
fcalzadas | 9:2db641efba7e | 1732 | if(_type==LCD40x4) { |
fcalzadas | 9:2db641efba7e | 1733 | if (_ctrl_idx==_LCDCtrl_0) { |
fcalzadas | 9:2db641efba7e | 1734 | // Configure primary LCD controller |
fcalzadas | 9:2db641efba7e | 1735 | _setCursorAndDisplayMode(_currentMode, _currentCursor); |
fcalzadas | 9:2db641efba7e | 1736 | |
fcalzadas | 9:2db641efba7e | 1737 | // Select 2nd controller |
fcalzadas | 9:2db641efba7e | 1738 | _ctrl_idx=_LCDCtrl_1; |
fcalzadas | 9:2db641efba7e | 1739 | |
fcalzadas | 9:2db641efba7e | 1740 | // Configure secondary LCD controller |
fcalzadas | 9:2db641efba7e | 1741 | _setCursorAndDisplayMode(_currentMode, CurOff_BlkOff); |
fcalzadas | 9:2db641efba7e | 1742 | |
fcalzadas | 9:2db641efba7e | 1743 | // Restore current controller |
fcalzadas | 9:2db641efba7e | 1744 | _ctrl_idx=_LCDCtrl_0; |
fcalzadas | 9:2db641efba7e | 1745 | } |
fcalzadas | 9:2db641efba7e | 1746 | else { |
fcalzadas | 9:2db641efba7e | 1747 | // Select primary controller |
fcalzadas | 9:2db641efba7e | 1748 | _ctrl_idx=_LCDCtrl_0; |
fcalzadas | 9:2db641efba7e | 1749 | |
fcalzadas | 9:2db641efba7e | 1750 | // Configure primary LCD controller |
fcalzadas | 9:2db641efba7e | 1751 | _setCursorAndDisplayMode(_currentMode, CurOff_BlkOff); |
fcalzadas | 9:2db641efba7e | 1752 | |
fcalzadas | 9:2db641efba7e | 1753 | // Restore current controller |
fcalzadas | 9:2db641efba7e | 1754 | _ctrl_idx=_LCDCtrl_1; |
fcalzadas | 9:2db641efba7e | 1755 | |
fcalzadas | 9:2db641efba7e | 1756 | // Configure secondary LCD controller |
fcalzadas | 9:2db641efba7e | 1757 | _setCursorAndDisplayMode(_currentMode, _currentCursor); |
fcalzadas | 9:2db641efba7e | 1758 | } |
fcalzadas | 9:2db641efba7e | 1759 | } |
fcalzadas | 9:2db641efba7e | 1760 | else { |
fcalzadas | 9:2db641efba7e | 1761 | // Configure primary LCD controller |
fcalzadas | 9:2db641efba7e | 1762 | _setCursorAndDisplayMode(_currentMode, _currentCursor); |
fcalzadas | 9:2db641efba7e | 1763 | } |
fcalzadas | 9:2db641efba7e | 1764 | } |
fcalzadas | 9:2db641efba7e | 1765 | |
fcalzadas | 9:2db641efba7e | 1766 | /** Low level method to restore the cursortype and display mode for current controller |
fcalzadas | 9:2db641efba7e | 1767 | */ |
fcalzadas | 9:2db641efba7e | 1768 | void TextLCD_Base::_setCursorAndDisplayMode(LCDMode displayMode, LCDCursor cursorType) { |
fcalzadas | 9:2db641efba7e | 1769 | |
fcalzadas | 9:2db641efba7e | 1770 | // Configure current LCD controller |
fcalzadas | 9:2db641efba7e | 1771 | switch (_ctrl) { |
fcalzadas | 9:2db641efba7e | 1772 | case ST7070: |
fcalzadas | 9:2db641efba7e | 1773 | //ST7070 does not support Cursorblink. The P bit selects the font instead ! |
fcalzadas | 9:2db641efba7e | 1774 | _writeCommand(0x08 | displayMode | (cursorType & 0x02)); |
fcalzadas | 9:2db641efba7e | 1775 | break; |
fcalzadas | 9:2db641efba7e | 1776 | default: |
fcalzadas | 9:2db641efba7e | 1777 | _writeCommand(0x08 | displayMode | cursorType); |
fcalzadas | 9:2db641efba7e | 1778 | break; |
fcalzadas | 9:2db641efba7e | 1779 | } //switch |
fcalzadas | 9:2db641efba7e | 1780 | } |
fcalzadas | 9:2db641efba7e | 1781 | |
fcalzadas | 9:2db641efba7e | 1782 | /** Set the Backlight mode |
fcalzadas | 9:2db641efba7e | 1783 | * |
fcalzadas | 9:2db641efba7e | 1784 | * @param backlightMode The Backlight mode (LightOff, LightOn) |
fcalzadas | 9:2db641efba7e | 1785 | */ |
fcalzadas | 9:2db641efba7e | 1786 | void TextLCD_Base::setBacklight(LCDBacklight backlightMode) { |
fcalzadas | 9:2db641efba7e | 1787 | |
fcalzadas | 9:2db641efba7e | 1788 | #if (BACKLIGHT_INV==0) |
fcalzadas | 9:2db641efba7e | 1789 | // Positive Backlight control pin logic |
fcalzadas | 9:2db641efba7e | 1790 | if (backlightMode == LightOn) { |
fcalzadas | 9:2db641efba7e | 1791 | this->_setBL(true); |
fcalzadas | 9:2db641efba7e | 1792 | } |
fcalzadas | 9:2db641efba7e | 1793 | else { |
fcalzadas | 9:2db641efba7e | 1794 | this->_setBL(false); |
fcalzadas | 9:2db641efba7e | 1795 | } |
fcalzadas | 9:2db641efba7e | 1796 | #else |
fcalzadas | 9:2db641efba7e | 1797 | // Inverted Backlight control pin logic |
fcalzadas | 9:2db641efba7e | 1798 | if (backlightMode == LightOn) { |
fcalzadas | 9:2db641efba7e | 1799 | this->_setBL(false); |
fcalzadas | 9:2db641efba7e | 1800 | } |
fcalzadas | 9:2db641efba7e | 1801 | else { |
fcalzadas | 9:2db641efba7e | 1802 | this->_setBL(true); |
fcalzadas | 9:2db641efba7e | 1803 | } |
fcalzadas | 9:2db641efba7e | 1804 | #endif |
fcalzadas | 9:2db641efba7e | 1805 | } |
fcalzadas | 9:2db641efba7e | 1806 | |
fcalzadas | 9:2db641efba7e | 1807 | /** Set User Defined Characters |
fcalzadas | 9:2db641efba7e | 1808 | * |
fcalzadas | 9:2db641efba7e | 1809 | * @param unsigned char c The Index of the UDC (0..7) for HD44780 or clones and (0..15) for some more advanced controllers |
fcalzadas | 9:2db641efba7e | 1810 | * @param char *udc_data The bitpatterns for the UDC (8 bytes of 5 significant bits for bitpattern and 3 bits for blinkmode (advanced types)) |
fcalzadas | 9:2db641efba7e | 1811 | */ |
fcalzadas | 9:2db641efba7e | 1812 | void TextLCD_Base::setUDC(unsigned char c, char *udc_data) { |
fcalzadas | 9:2db641efba7e | 1813 | |
fcalzadas | 9:2db641efba7e | 1814 | // Select and configure second LCD controller when needed |
fcalzadas | 9:2db641efba7e | 1815 | if(_type==LCD40x4) { |
fcalzadas | 9:2db641efba7e | 1816 | _LCDCtrl_Idx current_ctrl_idx = _ctrl_idx; // Temp save current controller |
fcalzadas | 9:2db641efba7e | 1817 | |
fcalzadas | 9:2db641efba7e | 1818 | // Select primary controller |
fcalzadas | 9:2db641efba7e | 1819 | _ctrl_idx=_LCDCtrl_0; |
fcalzadas | 9:2db641efba7e | 1820 | |
fcalzadas | 9:2db641efba7e | 1821 | // Configure primary LCD controller |
fcalzadas | 9:2db641efba7e | 1822 | _setUDC(c, udc_data); |
fcalzadas | 9:2db641efba7e | 1823 | |
fcalzadas | 9:2db641efba7e | 1824 | // Select 2nd controller |
fcalzadas | 9:2db641efba7e | 1825 | _ctrl_idx=_LCDCtrl_1; |
fcalzadas | 9:2db641efba7e | 1826 | |
fcalzadas | 9:2db641efba7e | 1827 | // Configure secondary LCD controller |
fcalzadas | 9:2db641efba7e | 1828 | _setUDC(c, udc_data); |
fcalzadas | 9:2db641efba7e | 1829 | |
fcalzadas | 9:2db641efba7e | 1830 | // Restore current controller |
fcalzadas | 9:2db641efba7e | 1831 | _ctrl_idx=current_ctrl_idx; |
fcalzadas | 9:2db641efba7e | 1832 | } |
fcalzadas | 9:2db641efba7e | 1833 | else { |
fcalzadas | 9:2db641efba7e | 1834 | // Configure primary LCD controller |
fcalzadas | 9:2db641efba7e | 1835 | _setUDC(c, udc_data); |
fcalzadas | 9:2db641efba7e | 1836 | } |
fcalzadas | 9:2db641efba7e | 1837 | } |
fcalzadas | 9:2db641efba7e | 1838 | |
fcalzadas | 9:2db641efba7e | 1839 | /** Low level method to store user defined characters for current controller |
fcalzadas | 9:2db641efba7e | 1840 | * |
fcalzadas | 9:2db641efba7e | 1841 | * @param unsigned char c The Index of the UDC (0..7) for HD44780 clones and (0..15) for some more advanced controllers |
fcalzadas | 9:2db641efba7e | 1842 | * @param char *udc_data The bitpatterns for the UDC (8 bytes of 5 significant bits for bitpattern and 3 bits for blinkmode (advanced types)) |
fcalzadas | 9:2db641efba7e | 1843 | */ |
fcalzadas | 9:2db641efba7e | 1844 | void TextLCD_Base::_setUDC(unsigned char c, char *udc_data) { |
fcalzadas | 9:2db641efba7e | 1845 | |
fcalzadas | 9:2db641efba7e | 1846 | switch (_ctrl) { |
fcalzadas | 9:2db641efba7e | 1847 | case PCF2103_3V3 : // Some UDCs may be used for Icons |
fcalzadas | 9:2db641efba7e | 1848 | case PCF2113_3V3 : // Some UDCs may be used for Icons |
fcalzadas | 9:2db641efba7e | 1849 | case PCF2116_3V3 : |
fcalzadas | 9:2db641efba7e | 1850 | case PCF2116_5V : |
fcalzadas | 9:2db641efba7e | 1851 | case PCF2119_3V3 : // Some UDCs may be used for Icons |
fcalzadas | 9:2db641efba7e | 1852 | c = c & 0x0F; // mask down to valid range |
fcalzadas | 9:2db641efba7e | 1853 | break; |
fcalzadas | 9:2db641efba7e | 1854 | |
fcalzadas | 9:2db641efba7e | 1855 | default: |
fcalzadas | 9:2db641efba7e | 1856 | c = c & 0x07; // mask down to valid range |
fcalzadas | 9:2db641efba7e | 1857 | break; |
fcalzadas | 9:2db641efba7e | 1858 | } //switch _ctrl |
fcalzadas | 9:2db641efba7e | 1859 | |
fcalzadas | 9:2db641efba7e | 1860 | // Select DD RAM for current LCD controller |
fcalzadas | 9:2db641efba7e | 1861 | // This is needed to correctly set Bit 6 of the addresspointer for controllers that support 16 UDCs |
fcalzadas | 9:2db641efba7e | 1862 | _writeCommand(0x80 | ((c << 3) & 0x40)) ; |
fcalzadas | 9:2db641efba7e | 1863 | |
fcalzadas | 9:2db641efba7e | 1864 | // Select CG RAM for current LCD controller |
fcalzadas | 9:2db641efba7e | 1865 | _writeCommand(0x40 | ((c << 3) & 0x3F)); //Set CG-RAM address, (note that Bit 6 is retained and can not be set by this command !) |
fcalzadas | 9:2db641efba7e | 1866 | //8 sequential locations needed per UDC |
fcalzadas | 9:2db641efba7e | 1867 | // Store UDC pattern |
fcalzadas | 9:2db641efba7e | 1868 | for (int i=0; i<8; i++) { |
fcalzadas | 9:2db641efba7e | 1869 | _writeData(*udc_data++); |
fcalzadas | 9:2db641efba7e | 1870 | } |
fcalzadas | 9:2db641efba7e | 1871 | |
fcalzadas | 9:2db641efba7e | 1872 | //Select DD RAM again for current LCD controller and restore the addresspointer |
fcalzadas | 9:2db641efba7e | 1873 | int addr = getAddress(_column, _row); |
fcalzadas | 9:2db641efba7e | 1874 | _writeCommand(0x80 | addr); |
simon | 1:ac48b187213c | 1875 | } |
simon | 1:ac48b187213c | 1876 | |
fcalzadas | 9:2db641efba7e | 1877 | /** Set UDC Blink and Icon blink |
fcalzadas | 9:2db641efba7e | 1878 | * setUDCBlink method is supported by some compatible devices (eg SSD1803) |
fcalzadas | 9:2db641efba7e | 1879 | * |
fcalzadas | 9:2db641efba7e | 1880 | * @param blinkMode The Blink mode (BlinkOff, BlinkOn) |
fcalzadas | 9:2db641efba7e | 1881 | */ |
fcalzadas | 9:2db641efba7e | 1882 | void TextLCD_Base::setUDCBlink(LCDBlink blinkMode){ |
fcalzadas | 9:2db641efba7e | 1883 | // Blinking UDCs (and icons) are enabled when a specific controlbit (BE) is set. |
fcalzadas | 9:2db641efba7e | 1884 | // The blinking pixels in the UDC and icons can be controlled by setting additional bits in the UDC or icon bitpattern. |
fcalzadas | 9:2db641efba7e | 1885 | // UDCs are defined by an 8 byte bitpattern. The P0..P4 form the character pattern. |
fcalzadas | 9:2db641efba7e | 1886 | // P7 P6 P5 P4 P3 P2 P1 P0 |
fcalzadas | 9:2db641efba7e | 1887 | // 0 B1 B0 x 0 1 1 1 0 |
fcalzadas | 9:2db641efba7e | 1888 | // 1 B1 B0 x 1 0 0 0 1 |
fcalzadas | 9:2db641efba7e | 1889 | // ............. |
fcalzadas | 9:2db641efba7e | 1890 | // 7 B1 B0 x 1 0 0 0 1 |
fcalzadas | 9:2db641efba7e | 1891 | // |
fcalzadas | 9:2db641efba7e | 1892 | // Bit 6 and Bit 7 in the pattern will control the blinking mode when Blink is enabled through BE. |
fcalzadas | 9:2db641efba7e | 1893 | // B1 B0 Mode |
fcalzadas | 9:2db641efba7e | 1894 | // 0 0 No Blinking in this row of the UDC |
fcalzadas | 9:2db641efba7e | 1895 | // 0 1 Enabled pixels in P4 will blink |
fcalzadas | 9:2db641efba7e | 1896 | // 1 x Enabled pixels in P0..P4 will blink |
fcalzadas | 9:2db641efba7e | 1897 | // |
fcalzadas | 9:2db641efba7e | 1898 | // Note: the PCF2103 and PCF2113 use UDCs to set Icons |
fcalzadas | 9:2db641efba7e | 1899 | // 3 x 8 rows x 5 bits = 120 bits Icons for Normal pattern (UDC 0..2) and |
fcalzadas | 9:2db641efba7e | 1900 | // 3 x 8 rows x 5 bits = 120 bits Icons for Blink pattern (UDC 4..6) |
fcalzadas | 9:2db641efba7e | 1901 | // Note: the PCF2119 uses UDCs to set Icons |
fcalzadas | 9:2db641efba7e | 1902 | // 4 x 8 rows x 5 bits = 160 bits Icons for Normal pattern (UDC 0..3) and |
fcalzadas | 9:2db641efba7e | 1903 | // 4 x 8 rows x 5 bits = 160 bits Icons for Blink pattern (UDC 4..7) |
fcalzadas | 9:2db641efba7e | 1904 | switch (blinkMode) { |
fcalzadas | 9:2db641efba7e | 1905 | case BlinkOn: |
fcalzadas | 9:2db641efba7e | 1906 | // Controllers that support UDC/Icon Blink |
fcalzadas | 9:2db641efba7e | 1907 | switch (_ctrl) { |
fcalzadas | 9:2db641efba7e | 1908 | case KS0073 : |
fcalzadas | 9:2db641efba7e | 1909 | case KS0078 : |
fcalzadas | 9:2db641efba7e | 1910 | _function_1 |= 0x02; // Enable UDC/Icon Blink |
fcalzadas | 9:2db641efba7e | 1911 | _writeCommand(0x20 | _function_1); // Function set 0 0 1 DL N RE(1) BE 0/LP (Ext Regs) |
fcalzadas | 9:2db641efba7e | 1912 | |
fcalzadas | 9:2db641efba7e | 1913 | _writeCommand(0x20 | _function); // Function set 0 0 1 DL N RE(0) DH REV (Std Regs) |
fcalzadas | 9:2db641efba7e | 1914 | break; // case KS0073, KS0078 Controller |
fcalzadas | 9:2db641efba7e | 1915 | |
fcalzadas | 9:2db641efba7e | 1916 | case US2066_3V3 : |
fcalzadas | 9:2db641efba7e | 1917 | case SSD1803_3V3 : |
fcalzadas | 9:2db641efba7e | 1918 | _function_1 |= 0x04; // Enable UDC/Icon Blink |
fcalzadas | 9:2db641efba7e | 1919 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 DL N BE RE(1) REV |
fcalzadas | 9:2db641efba7e | 1920 | // Select Ext Instr Set |
fcalzadas | 9:2db641efba7e | 1921 | |
fcalzadas | 9:2db641efba7e | 1922 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
fcalzadas | 9:2db641efba7e | 1923 | // Select Std Instr set, Select IS=0 |
fcalzadas | 9:2db641efba7e | 1924 | break; // case SSD1803, US2066 |
fcalzadas | 9:2db641efba7e | 1925 | |
fcalzadas | 9:2db641efba7e | 1926 | case PCF2103_3V3 : |
fcalzadas | 9:2db641efba7e | 1927 | case PCF2113_3V3 : |
fcalzadas | 9:2db641efba7e | 1928 | case PCF2119_3V3 : |
fcalzadas | 9:2db641efba7e | 1929 | // Enable Icon Blink |
fcalzadas | 9:2db641efba7e | 1930 | _writeCommand(0x20 | _function | 0x01); // Set function, Select Instr Set = 1 |
fcalzadas | 9:2db641efba7e | 1931 | _writeCommand(0x08 | 0x02); // ICON Conf 0000 1, IM=0 (Char mode), IB=1 (Icon blink), 0 (Instr. Set 1) |
fcalzadas | 9:2db641efba7e | 1932 | _writeCommand(0x20 | _function); // Set function, Select Instr Set = 0 |
fcalzadas | 9:2db641efba7e | 1933 | |
fcalzadas | 9:2db641efba7e | 1934 | break; |
fcalzadas | 9:2db641efba7e | 1935 | |
fcalzadas | 9:2db641efba7e | 1936 | default: |
fcalzadas | 9:2db641efba7e | 1937 | //Unsupported feature for other controllers |
fcalzadas | 9:2db641efba7e | 1938 | break; |
fcalzadas | 9:2db641efba7e | 1939 | } //switch _ctrl |
fcalzadas | 9:2db641efba7e | 1940 | |
fcalzadas | 9:2db641efba7e | 1941 | break; // BlinkOn |
fcalzadas | 9:2db641efba7e | 1942 | |
fcalzadas | 9:2db641efba7e | 1943 | case BlinkOff: |
fcalzadas | 9:2db641efba7e | 1944 | // Controllers that support UDC Blink |
fcalzadas | 9:2db641efba7e | 1945 | switch (_ctrl) { |
fcalzadas | 9:2db641efba7e | 1946 | case KS0073 : |
fcalzadas | 9:2db641efba7e | 1947 | case KS0078 : |
fcalzadas | 9:2db641efba7e | 1948 | _function_1 &= ~0x02; // Disable UDC/Icon Blink |
fcalzadas | 9:2db641efba7e | 1949 | _writeCommand(0x20 | _function_1); // Function set 0 0 1 DL N RE(1) BE 0/LP (Ext Regs) |
fcalzadas | 9:2db641efba7e | 1950 | |
fcalzadas | 9:2db641efba7e | 1951 | _writeCommand(0x20 | _function); // Function set 0 0 1 DL N RE(0) DH REV (Std Regs) |
fcalzadas | 9:2db641efba7e | 1952 | break; // case KS0073, KS0078 Controller |
fcalzadas | 9:2db641efba7e | 1953 | |
fcalzadas | 9:2db641efba7e | 1954 | case US2066_3V3 : |
fcalzadas | 9:2db641efba7e | 1955 | case SSD1803_3V3 : |
fcalzadas | 9:2db641efba7e | 1956 | _function_1 &= ~0x04; // Disable UDC/Icon Blink |
fcalzadas | 9:2db641efba7e | 1957 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 DL N BE RE(1) REV |
fcalzadas | 9:2db641efba7e | 1958 | // Select Ext Instr Set |
fcalzadas | 9:2db641efba7e | 1959 | |
fcalzadas | 9:2db641efba7e | 1960 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
fcalzadas | 9:2db641efba7e | 1961 | // Select Std Instr set, Select IS=0 |
fcalzadas | 9:2db641efba7e | 1962 | break; // case SSD1803, US2066 |
fcalzadas | 9:2db641efba7e | 1963 | |
fcalzadas | 9:2db641efba7e | 1964 | case PCF2103_3V3 : |
fcalzadas | 9:2db641efba7e | 1965 | case PCF2113_3V3 : |
fcalzadas | 9:2db641efba7e | 1966 | case PCF2119_3V3 : |
fcalzadas | 9:2db641efba7e | 1967 | // Disable Icon Blink |
fcalzadas | 9:2db641efba7e | 1968 | _writeCommand(0x20 | _function | 0x01); // Set function, Select Instr Set = 1 |
fcalzadas | 9:2db641efba7e | 1969 | _writeCommand(0x08); // ICON Conf 0000 1, IM=0 (Char mode), IB=1 (Icon blink), 0 (Instr. Set 1) |
fcalzadas | 9:2db641efba7e | 1970 | _writeCommand(0x20 | _function); // Set function, Select Instr Set = 0 |
fcalzadas | 9:2db641efba7e | 1971 | |
fcalzadas | 9:2db641efba7e | 1972 | break; |
fcalzadas | 9:2db641efba7e | 1973 | |
fcalzadas | 9:2db641efba7e | 1974 | default: |
fcalzadas | 9:2db641efba7e | 1975 | //Unsupported feature for other controllers |
fcalzadas | 9:2db641efba7e | 1976 | break; |
fcalzadas | 9:2db641efba7e | 1977 | } //switch _ctrl |
fcalzadas | 9:2db641efba7e | 1978 | |
fcalzadas | 9:2db641efba7e | 1979 | break; //BlinkOff |
fcalzadas | 9:2db641efba7e | 1980 | |
fcalzadas | 9:2db641efba7e | 1981 | default: |
fcalzadas | 9:2db641efba7e | 1982 | break; |
fcalzadas | 9:2db641efba7e | 1983 | } // blinkMode |
fcalzadas | 9:2db641efba7e | 1984 | |
fcalzadas | 9:2db641efba7e | 1985 | } // setUDCBlink() |
fcalzadas | 9:2db641efba7e | 1986 | |
fcalzadas | 9:2db641efba7e | 1987 | |
fcalzadas | 9:2db641efba7e | 1988 | /** Set Contrast |
fcalzadas | 9:2db641efba7e | 1989 | * setContrast method is supported by some compatible devices (eg ST7032i) that have onboard LCD voltage generation |
fcalzadas | 9:2db641efba7e | 1990 | * Initial code for ST70XX imported from fork by JH1PJL |
fcalzadas | 9:2db641efba7e | 1991 | * |
fcalzadas | 9:2db641efba7e | 1992 | * @param unsigned char c contrast data (6 significant bits, valid range 0..63, Value 0 will disable the Vgen) |
fcalzadas | 9:2db641efba7e | 1993 | * @return none |
fcalzadas | 9:2db641efba7e | 1994 | */ |
fcalzadas | 9:2db641efba7e | 1995 | //@TODO Add support for 40x4 dual controller |
fcalzadas | 9:2db641efba7e | 1996 | void TextLCD_Base::setContrast(unsigned char c) { |
fcalzadas | 9:2db641efba7e | 1997 | |
fcalzadas | 9:2db641efba7e | 1998 | // Function set mode stored during Init. Make sure we dont accidentally switch between 1-line and 2-line mode! |
fcalzadas | 9:2db641efba7e | 1999 | // Icon/Booster mode stored during Init. Make sure we dont accidentally change this! |
fcalzadas | 9:2db641efba7e | 2000 | |
fcalzadas | 9:2db641efba7e | 2001 | _contrast = c & 0x3F; // Sanity check |
fcalzadas | 9:2db641efba7e | 2002 | |
fcalzadas | 9:2db641efba7e | 2003 | switch (_ctrl) { |
fcalzadas | 9:2db641efba7e | 2004 | case PCF2113_3V3 : |
fcalzadas | 9:2db641efba7e | 2005 | case PCF2119_3V3 : |
fcalzadas | 9:2db641efba7e | 2006 | if (_contrast < 5) _contrast = 0; // See datasheet. Sanity check for PCF2113/PCF2119 |
fcalzadas | 9:2db641efba7e | 2007 | if (_contrast > 55) _contrast = 55; |
fcalzadas | 9:2db641efba7e | 2008 | |
fcalzadas | 9:2db641efba7e | 2009 | _writeCommand(0x20 | _function | 0x01); // Set function, Select Instruction Set = 1 |
fcalzadas | 9:2db641efba7e | 2010 | _writeCommand(0x80 | 0x00 | (_contrast & 0x3F)); // VLCD_set (Instr. Set 1) V=0, VA=contrast |
fcalzadas | 9:2db641efba7e | 2011 | _writeCommand(0x80 | 0x40 | (_contrast & 0x3F)); // VLCD_set (Instr. Set 1) V=1, VB=contrast |
fcalzadas | 9:2db641efba7e | 2012 | _writeCommand(0x20 | _function); // Select Instruction Set = 0 |
fcalzadas | 9:2db641efba7e | 2013 | break; |
fcalzadas | 9:2db641efba7e | 2014 | |
fcalzadas | 9:2db641efba7e | 2015 | case ST7032_3V3 : |
fcalzadas | 9:2db641efba7e | 2016 | case ST7032_5V : |
fcalzadas | 9:2db641efba7e | 2017 | case ST7036_3V3 : |
fcalzadas | 9:2db641efba7e | 2018 | // case ST7036_5V : |
fcalzadas | 9:2db641efba7e | 2019 | case SSD1803_3V3 : |
fcalzadas | 9:2db641efba7e | 2020 | _writeCommand(0x20 | _function | 0x01); // Select Instruction Set = 1 |
fcalzadas | 9:2db641efba7e | 2021 | _writeCommand(0x70 | (_contrast & 0x0F)); // Contrast Low bits |
fcalzadas | 9:2db641efba7e | 2022 | _writeCommand(0x50 | _icon_power | ((_contrast >> 4) & 0x03)); // Contrast High bits |
fcalzadas | 9:2db641efba7e | 2023 | _writeCommand(0x20 | _function); // Select Instruction Set = 0 |
fcalzadas | 9:2db641efba7e | 2024 | break; |
fcalzadas | 9:2db641efba7e | 2025 | |
fcalzadas | 9:2db641efba7e | 2026 | case US2066_3V3 : |
fcalzadas | 9:2db641efba7e | 2027 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 DL N BE RE(1) REV |
fcalzadas | 9:2db641efba7e | 2028 | // Select Extended Instruction Set |
fcalzadas | 9:2db641efba7e | 2029 | |
fcalzadas | 9:2db641efba7e | 2030 | _writeCommand(0x79); // Function Select OLED: 0 1 1 1 1 0 0 1 (Ext Instr Set) |
fcalzadas | 9:2db641efba7e | 2031 | |
fcalzadas | 9:2db641efba7e | 2032 | _writeCommand(0x81); // Set Contrast Control: 1 0 0 0 0 0 0 1 (Ext Instr Set, OLED) |
fcalzadas | 9:2db641efba7e | 2033 | _writeCommand((_contrast << 2) | 0x03); // Set Contrast Value: 8 bits. Use 6 bits for compatibility |
fcalzadas | 9:2db641efba7e | 2034 | |
fcalzadas | 9:2db641efba7e | 2035 | _writeCommand(0x78); // Function Disable OLED: 0 1 1 1 1 0 0 0 (Ext Instr Set) |
fcalzadas | 9:2db641efba7e | 2036 | |
fcalzadas | 9:2db641efba7e | 2037 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
fcalzadas | 9:2db641efba7e | 2038 | // Select Std Instr set, Select IS=0 |
fcalzadas | 9:2db641efba7e | 2039 | break; |
fcalzadas | 9:2db641efba7e | 2040 | |
fcalzadas | 9:2db641efba7e | 2041 | //not yet tested on hardware |
fcalzadas | 9:2db641efba7e | 2042 | case PT6314 : |
fcalzadas | 9:2db641efba7e | 2043 | // Only 2 significant bits |
fcalzadas | 9:2db641efba7e | 2044 | // 0x00 = 100% |
fcalzadas | 9:2db641efba7e | 2045 | // 0x01 = 75% |
fcalzadas | 9:2db641efba7e | 2046 | // 0x02 = 50% |
fcalzadas | 9:2db641efba7e | 2047 | // 0x03 = 25% |
fcalzadas | 9:2db641efba7e | 2048 | _writeCommand(0x20 | _function | ((~_contrast) >> 4)); // Invert and shift to use 2 MSBs |
fcalzadas | 9:2db641efba7e | 2049 | break; |
fcalzadas | 9:2db641efba7e | 2050 | |
fcalzadas | 9:2db641efba7e | 2051 | default: |
fcalzadas | 9:2db641efba7e | 2052 | //Unsupported feature for other controllers |
fcalzadas | 9:2db641efba7e | 2053 | break; |
fcalzadas | 9:2db641efba7e | 2054 | } // end switch |
fcalzadas | 9:2db641efba7e | 2055 | } // end setContrast() |
fcalzadas | 9:2db641efba7e | 2056 | |
fcalzadas | 9:2db641efba7e | 2057 | |
fcalzadas | 9:2db641efba7e | 2058 | /** Set Power |
fcalzadas | 9:2db641efba7e | 2059 | * setPower method is supported by some compatible devices (eg SSD1803) that have power down modes |
fcalzadas | 9:2db641efba7e | 2060 | * |
fcalzadas | 9:2db641efba7e | 2061 | * @param bool powerOn Power on/off |
fcalzadas | 9:2db641efba7e | 2062 | * @return none |
fcalzadas | 9:2db641efba7e | 2063 | */ |
fcalzadas | 9:2db641efba7e | 2064 | //@TODO Add support for 40x4 dual controller |
fcalzadas | 9:2db641efba7e | 2065 | void TextLCD_Base::setPower(bool powerOn) { |
fcalzadas | 9:2db641efba7e | 2066 | |
fcalzadas | 9:2db641efba7e | 2067 | if (powerOn) { |
fcalzadas | 9:2db641efba7e | 2068 | // Switch on |
fcalzadas | 9:2db641efba7e | 2069 | setMode(DispOn); |
fcalzadas | 9:2db641efba7e | 2070 | |
fcalzadas | 9:2db641efba7e | 2071 | // Controllers that supports specific Power Down mode |
fcalzadas | 9:2db641efba7e | 2072 | switch (_ctrl) { |
fcalzadas | 9:2db641efba7e | 2073 | |
fcalzadas | 9:2db641efba7e | 2074 | // case PCF2113_3V3 : |
fcalzadas | 9:2db641efba7e | 2075 | // case PCF2119_3V3 : |
fcalzadas | 9:2db641efba7e | 2076 | // case ST7032_3V3 : |
fcalzadas | 9:2db641efba7e | 2077 | //@todo |
fcalzadas | 9:2db641efba7e | 2078 | // enable Booster Bon |
fcalzadas | 9:2db641efba7e | 2079 | |
fcalzadas | 9:2db641efba7e | 2080 | case WS0010: |
fcalzadas | 9:2db641efba7e | 2081 | _writeCommand(0x17); // Char mode, DC/DC on |
fcalzadas | 9:2db641efba7e | 2082 | wait_ms(10); // Wait 10ms to ensure powered up |
fcalzadas | 9:2db641efba7e | 2083 | break; |
fcalzadas | 9:2db641efba7e | 2084 | |
fcalzadas | 9:2db641efba7e | 2085 | case KS0073: |
fcalzadas | 9:2db641efba7e | 2086 | case KS0078: |
fcalzadas | 9:2db641efba7e | 2087 | case SSD1803_3V3 : |
fcalzadas | 9:2db641efba7e | 2088 | // case SSD1803_5V : |
fcalzadas | 9:2db641efba7e | 2089 | _writeCommand(0x20 | _function_1); // Select Ext Instr Set |
fcalzadas | 9:2db641efba7e | 2090 | _writeCommand(0x02); // Power On |
fcalzadas | 9:2db641efba7e | 2091 | _writeCommand(0x20 | _function); // Select Std Instr Set |
fcalzadas | 9:2db641efba7e | 2092 | break; |
fcalzadas | 9:2db641efba7e | 2093 | |
fcalzadas | 9:2db641efba7e | 2094 | default: |
fcalzadas | 9:2db641efba7e | 2095 | //Unsupported feature for other controllers |
fcalzadas | 9:2db641efba7e | 2096 | break; |
fcalzadas | 9:2db641efba7e | 2097 | } // end switch |
fcalzadas | 9:2db641efba7e | 2098 | } |
fcalzadas | 9:2db641efba7e | 2099 | else { |
fcalzadas | 9:2db641efba7e | 2100 | // Switch off |
fcalzadas | 9:2db641efba7e | 2101 | setMode(DispOff); |
fcalzadas | 9:2db641efba7e | 2102 | |
fcalzadas | 9:2db641efba7e | 2103 | // Controllers that support specific Power Down mode |
fcalzadas | 9:2db641efba7e | 2104 | switch (_ctrl) { |
fcalzadas | 9:2db641efba7e | 2105 | |
fcalzadas | 9:2db641efba7e | 2106 | // case PCF2113_3V3 : |
fcalzadas | 9:2db641efba7e | 2107 | // case PCF2119_3V3 : |
fcalzadas | 9:2db641efba7e | 2108 | // case ST7032_3V3 : |
fcalzadas | 9:2db641efba7e | 2109 | //@todo |
fcalzadas | 9:2db641efba7e | 2110 | // disable Booster Bon |
fcalzadas | 9:2db641efba7e | 2111 | |
fcalzadas | 9:2db641efba7e | 2112 | case WS0010: |
fcalzadas | 9:2db641efba7e | 2113 | _writeCommand(0x13); // Char mode, DC/DC off |
fcalzadas | 9:2db641efba7e | 2114 | break; |
fcalzadas | 9:2db641efba7e | 2115 | |
fcalzadas | 9:2db641efba7e | 2116 | case KS0073: |
fcalzadas | 9:2db641efba7e | 2117 | case KS0078: |
fcalzadas | 9:2db641efba7e | 2118 | case SSD1803_3V3 : |
fcalzadas | 9:2db641efba7e | 2119 | // case SSD1803_5V : |
fcalzadas | 9:2db641efba7e | 2120 | _writeCommand(0x20 | _function_1); // Select Ext Instr Set |
fcalzadas | 9:2db641efba7e | 2121 | _writeCommand(0x03); // Power Down |
fcalzadas | 9:2db641efba7e | 2122 | _writeCommand(0x20 | _function); // Select Std Instr Set |
fcalzadas | 9:2db641efba7e | 2123 | break; |
fcalzadas | 9:2db641efba7e | 2124 | |
fcalzadas | 9:2db641efba7e | 2125 | default: |
fcalzadas | 9:2db641efba7e | 2126 | //Unsupported feature for other controllers |
fcalzadas | 9:2db641efba7e | 2127 | break; |
fcalzadas | 9:2db641efba7e | 2128 | } // end switch |
fcalzadas | 9:2db641efba7e | 2129 | } |
fcalzadas | 9:2db641efba7e | 2130 | } // end setPower() |
fcalzadas | 9:2db641efba7e | 2131 | |
fcalzadas | 9:2db641efba7e | 2132 | |
fcalzadas | 9:2db641efba7e | 2133 | /** Set Orient |
fcalzadas | 9:2db641efba7e | 2134 | * setOrient method is supported by some compatible devices (eg SSD1803, US2066) that have top/bottom view modes |
fcalzadas | 9:2db641efba7e | 2135 | * |
fcalzadas | 9:2db641efba7e | 2136 | * @param LCDOrient orient Orientation |
fcalzadas | 9:2db641efba7e | 2137 | * @return none |
fcalzadas | 9:2db641efba7e | 2138 | */ |
fcalzadas | 9:2db641efba7e | 2139 | void TextLCD_Base::setOrient(LCDOrient orient){ |
fcalzadas | 9:2db641efba7e | 2140 | |
fcalzadas | 9:2db641efba7e | 2141 | switch (orient) { |
fcalzadas | 9:2db641efba7e | 2142 | |
fcalzadas | 9:2db641efba7e | 2143 | case Top: |
fcalzadas | 9:2db641efba7e | 2144 | switch (_ctrl) { |
fcalzadas | 9:2db641efba7e | 2145 | case PCF2103_3V3: |
fcalzadas | 9:2db641efba7e | 2146 | case PCF2116_3V3: |
fcalzadas | 9:2db641efba7e | 2147 | case PCF2116_5V: |
fcalzadas | 9:2db641efba7e | 2148 | case PCF2119_3V3: |
fcalzadas | 9:2db641efba7e | 2149 | _writeCommand(0x20 | _function | 0x01); // Set function, Select Instr Set = 1 |
fcalzadas | 9:2db641efba7e | 2150 | _writeCommand(0x05); // Display Conf Set 0000 0, 1, P=0, Q=1 (Instr. Set 1) |
fcalzadas | 9:2db641efba7e | 2151 | _writeCommand(0x20 | _function); // Set function, Select Instr Set = 0 |
fcalzadas | 9:2db641efba7e | 2152 | break; |
fcalzadas | 9:2db641efba7e | 2153 | |
fcalzadas | 9:2db641efba7e | 2154 | case SSD1803_3V3 : |
fcalzadas | 9:2db641efba7e | 2155 | // case SSD1803_5V : |
fcalzadas | 9:2db641efba7e | 2156 | case US2066_3V3 : |
fcalzadas | 9:2db641efba7e | 2157 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV |
fcalzadas | 9:2db641efba7e | 2158 | // Select Extended Instruction Set |
fcalzadas | 9:2db641efba7e | 2159 | // _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) |
fcalzadas | 9:2db641efba7e | 2160 | _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) |
fcalzadas | 9:2db641efba7e | 2161 | |
fcalzadas | 9:2db641efba7e | 2162 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
fcalzadas | 9:2db641efba7e | 2163 | // Select Std Instr set, Select IS=0 |
fcalzadas | 9:2db641efba7e | 2164 | break; |
fcalzadas | 9:2db641efba7e | 2165 | |
fcalzadas | 9:2db641efba7e | 2166 | case ST7070: |
fcalzadas | 9:2db641efba7e | 2167 | _writeCommand(0x20 | _function | 0x04); // Set function, 0 0 1 DL, N, EXT=1, x, x (Select Instr Set = 1) |
fcalzadas | 9:2db641efba7e | 2168 | |
fcalzadas | 9:2db641efba7e | 2169 | _writeCommand(0x40 | 0x00); // COM/SEG directions 0 1 0 0 C1, C2, S1, S2 (Instr Set 1) |
fcalzadas | 9:2db641efba7e | 2170 | // C1=1: Com1-8 -> Com8-1; C2=1: Com9-16 -> Com16-9 |
fcalzadas | 9:2db641efba7e | 2171 | // S1=1: Seg1-40 -> Seg40-1; S2=1: Seg41-80 -> Seg80-41 |
fcalzadas | 9:2db641efba7e | 2172 | wait_ms(5); // Wait to ensure completion or ST7070 fails to set Top/Bottom after reset.. |
fcalzadas | 9:2db641efba7e | 2173 | |
fcalzadas | 9:2db641efba7e | 2174 | _writeCommand(0x20 | _function); // Set function, EXT=0 (Select Instr Set = 0) |
fcalzadas | 9:2db641efba7e | 2175 | |
fcalzadas | 9:2db641efba7e | 2176 | break; // case ST7070 Controller |
fcalzadas | 9:2db641efba7e | 2177 | |
fcalzadas | 9:2db641efba7e | 2178 | default: |
fcalzadas | 9:2db641efba7e | 2179 | //Unsupported feature for other controllers |
fcalzadas | 9:2db641efba7e | 2180 | break; |
fcalzadas | 9:2db641efba7e | 2181 | |
fcalzadas | 9:2db641efba7e | 2182 | } // end switch _ctrl |
fcalzadas | 9:2db641efba7e | 2183 | break; // end Top |
fcalzadas | 9:2db641efba7e | 2184 | |
fcalzadas | 9:2db641efba7e | 2185 | case Bottom: |
fcalzadas | 9:2db641efba7e | 2186 | switch (_ctrl) { |
fcalzadas | 9:2db641efba7e | 2187 | case PCF2103_3V3: |
fcalzadas | 9:2db641efba7e | 2188 | case PCF2116_3V3: |
fcalzadas | 9:2db641efba7e | 2189 | case PCF2116_5V: |
fcalzadas | 9:2db641efba7e | 2190 | case PCF2119_3V3: |
fcalzadas | 9:2db641efba7e | 2191 | _writeCommand(0x20 | _function | 0x01); // Set function, Select Instr Set = 1 |
fcalzadas | 9:2db641efba7e | 2192 | _writeCommand(0x06); // Display Conf Set 0000 0, 1, P=1, Q=0 (Instr. Set 1) |
fcalzadas | 9:2db641efba7e | 2193 | _writeCommand(0x20 | _function); // Set function, Select Instr Set = 0 |
fcalzadas | 9:2db641efba7e | 2194 | break; |
fcalzadas | 9:2db641efba7e | 2195 | |
fcalzadas | 9:2db641efba7e | 2196 | case SSD1803_3V3 : |
fcalzadas | 9:2db641efba7e | 2197 | // case SSD1803_5V : |
fcalzadas | 9:2db641efba7e | 2198 | case US2066_3V3 : |
fcalzadas | 9:2db641efba7e | 2199 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV |
fcalzadas | 9:2db641efba7e | 2200 | // Select Extended Instruction Set |
fcalzadas | 9:2db641efba7e | 2201 | _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) |
fcalzadas | 9:2db641efba7e | 2202 | // _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) |
fcalzadas | 9:2db641efba7e | 2203 | |
fcalzadas | 9:2db641efba7e | 2204 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
fcalzadas | 9:2db641efba7e | 2205 | // Select Std Instr set, Select IS=0 |
fcalzadas | 9:2db641efba7e | 2206 | break; |
fcalzadas | 9:2db641efba7e | 2207 | |
fcalzadas | 9:2db641efba7e | 2208 | case ST7070: |
fcalzadas | 9:2db641efba7e | 2209 | //Note: this does not result in correct top/bottom view. |
fcalzadas | 9:2db641efba7e | 2210 | //The left and right half of each row are reversed and the addressing of both rows is also incorrect: |
fcalzadas | 9:2db641efba7e | 2211 | //Top/bottomline when orientation is flipped: |
fcalzadas | 9:2db641efba7e | 2212 | // 0x48...0x4F 0x40...0x47 |
fcalzadas | 9:2db641efba7e | 2213 | // 0x08...0x0F 0x00...0x07 |
fcalzadas | 9:2db641efba7e | 2214 | _writeCommand(0x20 | _function | 0x04); // Set function, 0 0 1 DL N EXT=1 x x (Select Instr Set = 1) |
fcalzadas | 9:2db641efba7e | 2215 | |
fcalzadas | 9:2db641efba7e | 2216 | _writeCommand(0x40 | 0x0F); // COM/SEG directions 0 1 0 0 C1, C2, S1, S2 (Instr Set 1) |
fcalzadas | 9:2db641efba7e | 2217 | // C1=1: Com1-8 -> Com8-1; C2=1: Com9-16 -> Com16-9 |
fcalzadas | 9:2db641efba7e | 2218 | // S1=1: Seg1-40 -> Seg40-1; S2=1: Seg41-80 -> Seg80-41 |
fcalzadas | 9:2db641efba7e | 2219 | wait_ms(5); // Wait to ensure completion or ST7070 fails to set Top/Bottom after reset.. |
fcalzadas | 9:2db641efba7e | 2220 | |
fcalzadas | 9:2db641efba7e | 2221 | _writeCommand(0x20 | _function); // Set function, EXT=0 (Select Instr Set = 0) |
fcalzadas | 9:2db641efba7e | 2222 | |
fcalzadas | 9:2db641efba7e | 2223 | break; // case ST7070 Controller |
fcalzadas | 9:2db641efba7e | 2224 | |
fcalzadas | 9:2db641efba7e | 2225 | default: |
fcalzadas | 9:2db641efba7e | 2226 | //Unsupported feature for other controllers |
fcalzadas | 9:2db641efba7e | 2227 | break; |
fcalzadas | 9:2db641efba7e | 2228 | |
fcalzadas | 9:2db641efba7e | 2229 | } // end switch _ctrl |
fcalzadas | 9:2db641efba7e | 2230 | |
fcalzadas | 9:2db641efba7e | 2231 | break; // end Bottom |
fcalzadas | 9:2db641efba7e | 2232 | } // end switch orient |
fcalzadas | 9:2db641efba7e | 2233 | } // end setOrient() |
fcalzadas | 9:2db641efba7e | 2234 | |
fcalzadas | 9:2db641efba7e | 2235 | /** Set Big Font |
fcalzadas | 9:2db641efba7e | 2236 | * setBigFont method is supported by some compatible devices (eg SSD1803, US2066) |
fcalzadas | 9:2db641efba7e | 2237 | * |
fcalzadas | 9:2db641efba7e | 2238 | * @param lines The selected Big Font lines (None, TopLine, CenterLine, BottomLine, TopBottomLine) |
fcalzadas | 9:2db641efba7e | 2239 | * Double height characters can be shown on lines 1+2, 2+3, 3+4 or 1+2 and 3+4 |
fcalzadas | 9:2db641efba7e | 2240 | * Valid double height lines depend on the LCDs number of rows. |
fcalzadas | 9:2db641efba7e | 2241 | */ |
fcalzadas | 9:2db641efba7e | 2242 | void TextLCD_Base::setBigFont(LCDBigFont lines) { |
fcalzadas | 9:2db641efba7e | 2243 | |
fcalzadas | 9:2db641efba7e | 2244 | switch (lines) { |
fcalzadas | 9:2db641efba7e | 2245 | case None: |
fcalzadas | 9:2db641efba7e | 2246 | switch (_ctrl) { |
fcalzadas | 9:2db641efba7e | 2247 | case SSD1803_3V3 : |
fcalzadas | 9:2db641efba7e | 2248 | case US2066_3V3 : |
fcalzadas | 9:2db641efba7e | 2249 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV |
fcalzadas | 9:2db641efba7e | 2250 | // Select Extended Instruction Set |
fcalzadas | 9:2db641efba7e | 2251 | _writeCommand(0x1C); // Double Height, 0 0 0 1 UD2=1, UD1=1, X, DH'=0 (Ext Instr Set) |
fcalzadas | 9:2db641efba7e | 2252 | // Default |
fcalzadas | 9:2db641efba7e | 2253 | _function = _function & ~0x04; // Set function, 0 0 1 DL N DH=0 RE(0) IS=0 Select Instruction Set 0 |
fcalzadas | 9:2db641efba7e | 2254 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
fcalzadas | 9:2db641efba7e | 2255 | // Select Std Instr set, Select IS=0 |
fcalzadas | 9:2db641efba7e | 2256 | break; // end US2066 |
fcalzadas | 9:2db641efba7e | 2257 | |
fcalzadas | 9:2db641efba7e | 2258 | default: |
fcalzadas | 9:2db641efba7e | 2259 | break; // end default |
fcalzadas | 9:2db641efba7e | 2260 | } // end switch _ctrl |
fcalzadas | 9:2db641efba7e | 2261 | break; // end None |
fcalzadas | 9:2db641efba7e | 2262 | |
fcalzadas | 9:2db641efba7e | 2263 | case TopLine: |
fcalzadas | 9:2db641efba7e | 2264 | if (_nr_rows < 2) return; //Sanity check |
fcalzadas | 9:2db641efba7e | 2265 | |
fcalzadas | 9:2db641efba7e | 2266 | switch (_ctrl) { |
fcalzadas | 9:2db641efba7e | 2267 | case SSD1803_3V3 : |
fcalzadas | 9:2db641efba7e | 2268 | case US2066_3V3 : |
fcalzadas | 9:2db641efba7e | 2269 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV |
fcalzadas | 9:2db641efba7e | 2270 | // Select Extended Instruction Set |
fcalzadas | 9:2db641efba7e | 2271 | _writeCommand(0x1C); // Double Height, 0 0 0 1 UD2=1, UD1=1, X, DH'=0 (Ext Instr Set) |
fcalzadas | 9:2db641efba7e | 2272 | // Default |
fcalzadas | 9:2db641efba7e | 2273 | _function = _function | 0x04; // Set function, 0 0 1 DL N DH=1 RE(0) IS=0 Select Instruction Set 0 |
fcalzadas | 9:2db641efba7e | 2274 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
fcalzadas | 9:2db641efba7e | 2275 | // Select Std Instr set, Select IS=0 |
fcalzadas | 9:2db641efba7e | 2276 | break; // end US2066, SSD1803 |
fcalzadas | 9:2db641efba7e | 2277 | |
fcalzadas | 9:2db641efba7e | 2278 | default: |
fcalzadas | 9:2db641efba7e | 2279 | break; // end default |
fcalzadas | 9:2db641efba7e | 2280 | } // end switch _ctrl |
fcalzadas | 9:2db641efba7e | 2281 | break; // end TopLine |
fcalzadas | 9:2db641efba7e | 2282 | |
fcalzadas | 9:2db641efba7e | 2283 | case CenterLine: |
fcalzadas | 9:2db641efba7e | 2284 | if (_nr_rows != 4) return; //Sanity check |
fcalzadas | 9:2db641efba7e | 2285 | |
fcalzadas | 9:2db641efba7e | 2286 | switch (_ctrl) { |
fcalzadas | 9:2db641efba7e | 2287 | case SSD1803_3V3 : |
fcalzadas | 9:2db641efba7e | 2288 | case US2066_3V3 : |
fcalzadas | 9:2db641efba7e | 2289 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV |
fcalzadas | 9:2db641efba7e | 2290 | // Select Extended Instruction Set |
fcalzadas | 9:2db641efba7e | 2291 | _writeCommand(0x14); // Double Height, 0 0 0 1 UD2=0, UD1=1, X, DH'=0 (Ext Instr Set) |
fcalzadas | 9:2db641efba7e | 2292 | // Default |
fcalzadas | 9:2db641efba7e | 2293 | _function = _function | 0x04; // Set function, 0 0 1 DL N DH=1 RE(0) IS=0 Select Instruction Set 0 |
fcalzadas | 9:2db641efba7e | 2294 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
fcalzadas | 9:2db641efba7e | 2295 | // Select Std Instr set, Select IS=0 |
fcalzadas | 9:2db641efba7e | 2296 | break; // end US2066, SSD1803 |
fcalzadas | 9:2db641efba7e | 2297 | |
fcalzadas | 9:2db641efba7e | 2298 | default: |
fcalzadas | 9:2db641efba7e | 2299 | break; // end default |
fcalzadas | 9:2db641efba7e | 2300 | } // end switch _ctrl |
fcalzadas | 9:2db641efba7e | 2301 | break; // end CenterLine |
fcalzadas | 9:2db641efba7e | 2302 | |
fcalzadas | 9:2db641efba7e | 2303 | case BottomLine: |
fcalzadas | 9:2db641efba7e | 2304 | if (_nr_rows < 3) return; //Sanity check |
fcalzadas | 9:2db641efba7e | 2305 | |
fcalzadas | 9:2db641efba7e | 2306 | switch (_ctrl) { |
fcalzadas | 9:2db641efba7e | 2307 | case SSD1803_3V3 : |
fcalzadas | 9:2db641efba7e | 2308 | case US2066_3V3 : |
fcalzadas | 9:2db641efba7e | 2309 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV |
fcalzadas | 9:2db641efba7e | 2310 | // Select Extended Instruction Set |
fcalzadas | 9:2db641efba7e | 2311 | if (_nr_rows == 3) { |
fcalzadas | 9:2db641efba7e | 2312 | _writeCommand(0x14); // Double Height, 0 0 0 1 UD2=0, UD1=1, X, DH'=0 (Ext Instr Set) |
fcalzadas | 9:2db641efba7e | 2313 | } |
fcalzadas | 9:2db641efba7e | 2314 | else { |
fcalzadas | 9:2db641efba7e | 2315 | _writeCommand(0x10); // Double Height, 0 0 0 1 UD2=0, UD1=0, X, DH'=0 (Ext Instr Set) |
fcalzadas | 9:2db641efba7e | 2316 | } |
fcalzadas | 9:2db641efba7e | 2317 | _function = _function | 0x04; // Set function, 0 0 1 DL N DH=1 RE(0) IS=0 Select Instruction Set 0 |
fcalzadas | 9:2db641efba7e | 2318 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
fcalzadas | 9:2db641efba7e | 2319 | // Select Std Instr set, Select IS=0 |
fcalzadas | 9:2db641efba7e | 2320 | break; // end US2066, SSD1803 |
fcalzadas | 9:2db641efba7e | 2321 | |
fcalzadas | 9:2db641efba7e | 2322 | default: |
fcalzadas | 9:2db641efba7e | 2323 | break; // end default |
fcalzadas | 9:2db641efba7e | 2324 | } // end switch _ctrl |
fcalzadas | 9:2db641efba7e | 2325 | break; // end BottomLine |
fcalzadas | 9:2db641efba7e | 2326 | |
fcalzadas | 9:2db641efba7e | 2327 | case TopBottomLine: |
fcalzadas | 9:2db641efba7e | 2328 | if (_nr_rows != 4) return; //Sanity check |
fcalzadas | 9:2db641efba7e | 2329 | |
fcalzadas | 9:2db641efba7e | 2330 | switch (_ctrl) { |
fcalzadas | 9:2db641efba7e | 2331 | case SSD1803_3V3 : |
fcalzadas | 9:2db641efba7e | 2332 | case US2066_3V3 : |
fcalzadas | 9:2db641efba7e | 2333 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 X N BE RE(1) REV |
fcalzadas | 9:2db641efba7e | 2334 | // Select Extended Instruction Set |
fcalzadas | 9:2db641efba7e | 2335 | _writeCommand(0x18); // Double Height, 0 0 0 1 UD2=1, UD1=0, X, DH'=0 (Ext Instr Set) |
fcalzadas | 9:2db641efba7e | 2336 | // Default |
fcalzadas | 9:2db641efba7e | 2337 | _function = _function | 0x04; // Set function, 0 0 1 DL N DH=1 RE(0) IS=0 Select Instruction Set 0 |
fcalzadas | 9:2db641efba7e | 2338 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS=0 Select Instruction Set 0 |
fcalzadas | 9:2db641efba7e | 2339 | // Select Std Instr set, Select IS=0 |
fcalzadas | 9:2db641efba7e | 2340 | break; // end US2066, SSD1803 |
fcalzadas | 9:2db641efba7e | 2341 | |
simon | 1:ac48b187213c | 2342 | default: |
fcalzadas | 9:2db641efba7e | 2343 | break; // end default |
fcalzadas | 9:2db641efba7e | 2344 | } // end switch _ctrl |
fcalzadas | 9:2db641efba7e | 2345 | break; // end TopBottomLine |
fcalzadas | 9:2db641efba7e | 2346 | |
fcalzadas | 9:2db641efba7e | 2347 | } // end switch lines |
fcalzadas | 9:2db641efba7e | 2348 | |
fcalzadas | 9:2db641efba7e | 2349 | } // end setBigFont() |
fcalzadas | 9:2db641efba7e | 2350 | |
fcalzadas | 9:2db641efba7e | 2351 | |
fcalzadas | 9:2db641efba7e | 2352 | /** Set Icons |
fcalzadas | 9:2db641efba7e | 2353 | * |
fcalzadas | 9:2db641efba7e | 2354 | * @param unsigned char idx The Index of the icon pattern (0..15) for KS0073 and similar controllers |
fcalzadas | 9:2db641efba7e | 2355 | * and Index (0..31) for PCF2103 and similar controllers |
fcalzadas | 9:2db641efba7e | 2356 | * @param unsigned char data The bitpattern for the icons (6 lsb for KS0073 bitpattern (5 lsb for KS0078) and 2 msb for blinkmode) |
fcalzadas | 9:2db641efba7e | 2357 | * The bitpattern for the PCF2103 icons is 5 lsb (UDC 0..2) and 5 lsb for blinkmode (UDC 4..6) |
fcalzadas | 9:2db641efba7e | 2358 | */ |
fcalzadas | 9:2db641efba7e | 2359 | void TextLCD_Base::setIcon(unsigned char idx, unsigned char data) { |
fcalzadas | 9:2db641efba7e | 2360 | // Blinking icons are enabled when a specific controlbit (BE) is set. |
fcalzadas | 9:2db641efba7e | 2361 | // The blinking pixels in the icons can be controlled by setting additional bits in the icon bitpattern. |
fcalzadas | 9:2db641efba7e | 2362 | // Icons are defined by a byte bitpattern. The P0..P5 form the Icon pattern for KS0073, and P0..P4 for KS0078 |
fcalzadas | 9:2db641efba7e | 2363 | // P7 P6 P5 P4 P3 P2 P1 P0 |
fcalzadas | 9:2db641efba7e | 2364 | // 0 B1 B0 0 0 1 1 1 0 |
fcalzadas | 9:2db641efba7e | 2365 | // 1 B1 B0 1 1 0 0 0 1 |
fcalzadas | 9:2db641efba7e | 2366 | // ............. |
fcalzadas | 9:2db641efba7e | 2367 | // 15 B1 B0 1 1 0 0 0 1 |
fcalzadas | 9:2db641efba7e | 2368 | // |
fcalzadas | 9:2db641efba7e | 2369 | // Bit 6 and Bit 7 in the pattern will control the blinking mode when Blink is enabled through BE. |
fcalzadas | 9:2db641efba7e | 2370 | // B1 B0 Mode |
fcalzadas | 9:2db641efba7e | 2371 | // 0 0 No Blinking for this icon row |
fcalzadas | 9:2db641efba7e | 2372 | // 0 1 Enabled pixels in P5 will blink |
fcalzadas | 9:2db641efba7e | 2373 | // 1 x Enabled pixels in P0..P5 will blink |
fcalzadas | 9:2db641efba7e | 2374 | // |
fcalzadas | 9:2db641efba7e | 2375 | // Note: the PCF2103 and PCF2113 use UDCs to set Icons |
fcalzadas | 9:2db641efba7e | 2376 | // 3 x 8 rows x 5 bits = 120 bits Icons for Normal pattern (UDC 0..2) and |
fcalzadas | 9:2db641efba7e | 2377 | // 3 x 8 rows x 5 bits = 120 bits Icons for Blink pattern (UDC 4..6) |
fcalzadas | 9:2db641efba7e | 2378 | // Note: the PCF2119 uses UDCs to set Icons |
fcalzadas | 9:2db641efba7e | 2379 | // 4 x 8 rows x 5 bits = 160 bits Icons for Normal pattern (UDC 0..3) and |
fcalzadas | 9:2db641efba7e | 2380 | // 4 x 8 rows x 5 bits = 160 bits Icons for Blink pattern (UDC 4..7) |
fcalzadas | 9:2db641efba7e | 2381 | |
fcalzadas | 9:2db641efba7e | 2382 | switch (_ctrl) { |
fcalzadas | 9:2db641efba7e | 2383 | case KS0073: |
fcalzadas | 9:2db641efba7e | 2384 | case KS0078: |
fcalzadas | 9:2db641efba7e | 2385 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 DL N RE(1) BE LP |
fcalzadas | 9:2db641efba7e | 2386 | // Select Extended Instruction Set |
fcalzadas | 9:2db641efba7e | 2387 | _writeCommand(0x40 | (idx & 0x0F)); // Set Icon Address, mask Address to valid range (Ext Instr Set) |
fcalzadas | 9:2db641efba7e | 2388 | |
fcalzadas | 9:2db641efba7e | 2389 | _writeData(data); // Set Icon pattern (Ext Instr Set) |
fcalzadas | 9:2db641efba7e | 2390 | |
fcalzadas | 9:2db641efba7e | 2391 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N RE(0) DH REV Select Instruction Set 0 |
fcalzadas | 9:2db641efba7e | 2392 | // Select Std Instr set, Select IS=0 |
fcalzadas | 9:2db641efba7e | 2393 | break; // end KS0073, KS0078 |
fcalzadas | 9:2db641efba7e | 2394 | |
fcalzadas | 9:2db641efba7e | 2395 | case ST7032_3V3: |
fcalzadas | 9:2db641efba7e | 2396 | case ST7032_5V: |
fcalzadas | 9:2db641efba7e | 2397 | _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N F 0 IS=1 Select Instr Set = 1 |
fcalzadas | 9:2db641efba7e | 2398 | _writeCommand(0x40 | (idx & 0x0F)); // Set Icon Address, mask Address to valid range (Instr Set 1) |
fcalzadas | 9:2db641efba7e | 2399 | |
fcalzadas | 9:2db641efba7e | 2400 | _writeData(data & 0x1F); // Set Icon pattern, no blink support (Instr Set 1) |
fcalzadas | 9:2db641efba7e | 2401 | |
fcalzadas | 9:2db641efba7e | 2402 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N RE(0) DH REV Select Instruction Set 0 |
fcalzadas | 9:2db641efba7e | 2403 | // Select Std Instr set, Select IS=0 |
fcalzadas | 9:2db641efba7e | 2404 | break; // end ST7032 |
fcalzadas | 9:2db641efba7e | 2405 | |
fcalzadas | 9:2db641efba7e | 2406 | case ST7036_3V3: |
fcalzadas | 9:2db641efba7e | 2407 | case ST7036_5V: |
fcalzadas | 9:2db641efba7e | 2408 | _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N DH IS2,IS1 = 01 (Select Instr Set = 1) |
fcalzadas | 9:2db641efba7e | 2409 | _writeCommand(0x40 | (idx & 0x0F)); // Set Icon Address, mask Address to valid range (Instr Set 1) |
fcalzadas | 9:2db641efba7e | 2410 | |
fcalzadas | 9:2db641efba7e | 2411 | _writeData(data & 0x1F); // Set Icon pattern, no blink support (Instr Set 1) |
fcalzadas | 9:2db641efba7e | 2412 | |
fcalzadas | 9:2db641efba7e | 2413 | _writeCommand(0x20 | _function); // Set function, IS2,IS1 = 00 (Select Instr Set = 0) |
fcalzadas | 9:2db641efba7e | 2414 | // Select Std Instr set, Select IS=0 |
fcalzadas | 9:2db641efba7e | 2415 | break; // end ST7036 |
fcalzadas | 9:2db641efba7e | 2416 | |
fcalzadas | 9:2db641efba7e | 2417 | case SSD1803_3V3: |
fcalzadas | 9:2db641efba7e | 2418 | // case SSD1803_5V: |
fcalzadas | 9:2db641efba7e | 2419 | _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N DH RE(0) IS |
fcalzadas | 9:2db641efba7e | 2420 | // Select Instruction Set 1 |
fcalzadas | 9:2db641efba7e | 2421 | _writeCommand(0x40 | (idx & 0x0F)); // Set Icon Address, mask Address to valid range (Instr Set = 1) |
fcalzadas | 9:2db641efba7e | 2422 | _writeData(data); // Set Icon pattern (Instr Set = 1) |
fcalzadas | 9:2db641efba7e | 2423 | |
fcalzadas | 9:2db641efba7e | 2424 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS |
fcalzadas | 9:2db641efba7e | 2425 | // Select IS=0 |
fcalzadas | 9:2db641efba7e | 2426 | break; // end SSD1803 |
fcalzadas | 9:2db641efba7e | 2427 | |
fcalzadas | 9:2db641efba7e | 2428 | case PCF2103_3V3: |
fcalzadas | 9:2db641efba7e | 2429 | case PCF2113_3V3: |
fcalzadas | 9:2db641efba7e | 2430 | case PCF2119_3V3: |
fcalzadas | 9:2db641efba7e | 2431 | // Store UDC/Icon pattern for PCF2103 and PCF2113: |
fcalzadas | 9:2db641efba7e | 2432 | // 3 x 8 rows x 5 bits = 120 bits for Normal pattern (UDC 0..2) and |
fcalzadas | 9:2db641efba7e | 2433 | // 3 x 8 rows x 5 bits = 120 bits for Blink pattern (UDC 4..6) |
fcalzadas | 9:2db641efba7e | 2434 | // Store UDC/Icon pattern for PCF2119: |
fcalzadas | 9:2db641efba7e | 2435 | // 4 x 8 rows x 5 bits = 160 bits for Normal pattern (UDC 0..3) and |
fcalzadas | 9:2db641efba7e | 2436 | // 4 x 8 rows x 5 bits = 160 bits for Blink pattern (UDC 4..7) |
fcalzadas | 9:2db641efba7e | 2437 | _writeCommand(0x40 | (idx & 0x3F)); //Set CG-RAM address, 8 sequential locations needed per UDC |
fcalzadas | 9:2db641efba7e | 2438 | _writeData(data); // Set Icon pattern (Instr Set = 1) |
fcalzadas | 9:2db641efba7e | 2439 | break; // case PCF2103_3V3 Controller |
fcalzadas | 9:2db641efba7e | 2440 | |
fcalzadas | 9:2db641efba7e | 2441 | default: |
fcalzadas | 9:2db641efba7e | 2442 | break; // end default |
fcalzadas | 9:2db641efba7e | 2443 | } // end switch _ctrl |
fcalzadas | 9:2db641efba7e | 2444 | |
fcalzadas | 9:2db641efba7e | 2445 | //Select DD RAM again for current LCD controller and restore the addresspointer |
fcalzadas | 9:2db641efba7e | 2446 | int addr = getAddress(_column, _row); |
fcalzadas | 9:2db641efba7e | 2447 | _writeCommand(0x80 | addr); |
fcalzadas | 9:2db641efba7e | 2448 | |
fcalzadas | 9:2db641efba7e | 2449 | } // end setIcon() |
fcalzadas | 9:2db641efba7e | 2450 | |
fcalzadas | 9:2db641efba7e | 2451 | /** Clear Icons |
fcalzadas | 9:2db641efba7e | 2452 | * |
fcalzadas | 9:2db641efba7e | 2453 | * @param none |
fcalzadas | 9:2db641efba7e | 2454 | * @return none |
fcalzadas | 9:2db641efba7e | 2455 | */ |
fcalzadas | 9:2db641efba7e | 2456 | //@TODO Add support for 40x4 dual controller |
fcalzadas | 9:2db641efba7e | 2457 | void TextLCD_Base::clrIcon() { |
fcalzadas | 9:2db641efba7e | 2458 | // Icons are defined by a byte bitpattern. The P0..P5 form the Icon pattern for KS0073, and P0..P4 for KS0078 |
fcalzadas | 9:2db641efba7e | 2459 | // P7 P6 P5 P4 P3 P2 P1 P0 |
fcalzadas | 9:2db641efba7e | 2460 | // 0 B1 B0 0 0 0 0 0 0 |
fcalzadas | 9:2db641efba7e | 2461 | // 1 B1 B0 0 0 0 0 0 0 |
fcalzadas | 9:2db641efba7e | 2462 | // ............. |
fcalzadas | 9:2db641efba7e | 2463 | // 15 B1 B0 0 0 0 0 0 0 |
fcalzadas | 9:2db641efba7e | 2464 | // |
fcalzadas | 9:2db641efba7e | 2465 | // Bit 6 and Bit 7 in the pattern will control the blinking mode when Blink is enabled through BE. |
fcalzadas | 9:2db641efba7e | 2466 | // B1 B0 Mode |
fcalzadas | 9:2db641efba7e | 2467 | // 0 0 No Blinking for this icon row |
fcalzadas | 9:2db641efba7e | 2468 | // 0 1 Enabled pixels in P5 will blink |
fcalzadas | 9:2db641efba7e | 2469 | // 1 x Enabled pixels in P0..P5 will blink |
fcalzadas | 9:2db641efba7e | 2470 | // |
fcalzadas | 9:2db641efba7e | 2471 | // Note: the PCF2103 and PCF2113 use UDCs to set Icons |
fcalzadas | 9:2db641efba7e | 2472 | // 3 x 8 rows x 5 bits = 120 bits Icons for Normal pattern (UDC 0..2) and |
fcalzadas | 9:2db641efba7e | 2473 | // 3 x 8 rows x 5 bits = 120 bits Icons for Blink pattern (UDC 4..6) |
fcalzadas | 9:2db641efba7e | 2474 | // Note: the PCF2119 uses UDCs to set Icons |
fcalzadas | 9:2db641efba7e | 2475 | // 4 x 8 rows x 5 bits = 160 bits Icons for Normal pattern (UDC 0..3) and |
fcalzadas | 9:2db641efba7e | 2476 | // 4 x 8 rows x 5 bits = 160 bits Icons for Blink pattern (UDC 4..7) |
fcalzadas | 9:2db641efba7e | 2477 | int idx; |
fcalzadas | 9:2db641efba7e | 2478 | |
fcalzadas | 9:2db641efba7e | 2479 | switch (_ctrl) { |
fcalzadas | 9:2db641efba7e | 2480 | case KS0073: |
fcalzadas | 9:2db641efba7e | 2481 | case KS0078: |
fcalzadas | 9:2db641efba7e | 2482 | _writeCommand(0x20 | _function_1); // Set function, 0 0 1 DL N RE(1) BE LP |
fcalzadas | 9:2db641efba7e | 2483 | // Select Extended Instruction Set |
fcalzadas | 9:2db641efba7e | 2484 | for (idx=0; idx<16; idx++) { |
fcalzadas | 9:2db641efba7e | 2485 | _writeCommand(0x40 | idx); // Set Icon Address, mask Address to valid range (Ext Instr Set) |
fcalzadas | 9:2db641efba7e | 2486 | _writeData(0x00); // Clear Icon pattern (Ext Instr Set) |
fcalzadas | 9:2db641efba7e | 2487 | } |
fcalzadas | 9:2db641efba7e | 2488 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N RE(0) DH REV Select Std Instruction Set |
fcalzadas | 9:2db641efba7e | 2489 | // Select Std Instr set |
fcalzadas | 9:2db641efba7e | 2490 | break; // end KS0073, KS0078 |
fcalzadas | 9:2db641efba7e | 2491 | |
fcalzadas | 9:2db641efba7e | 2492 | case ST7032_3V3: |
fcalzadas | 9:2db641efba7e | 2493 | case ST7032_5V: |
fcalzadas | 9:2db641efba7e | 2494 | _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N F 0 IS=1 Select Instr Set = 1 |
fcalzadas | 9:2db641efba7e | 2495 | |
fcalzadas | 9:2db641efba7e | 2496 | for (idx=0; idx<16; idx++) { |
fcalzadas | 9:2db641efba7e | 2497 | _writeCommand(0x40 | idx); // Set Icon Address, mask Address to valid range (Instr Set 1) |
fcalzadas | 9:2db641efba7e | 2498 | _writeData(0x00); // Clear Icon pattern (Instr Set 1) |
fcalzadas | 9:2db641efba7e | 2499 | } |
fcalzadas | 9:2db641efba7e | 2500 | |
fcalzadas | 9:2db641efba7e | 2501 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N RE(0) DH REV Select Instruction Set 0 |
fcalzadas | 9:2db641efba7e | 2502 | // Select Std Instr set, Select IS=0 |
fcalzadas | 9:2db641efba7e | 2503 | break; // end ST7032 |
fcalzadas | 9:2db641efba7e | 2504 | |
fcalzadas | 9:2db641efba7e | 2505 | case ST7036_3V3: |
fcalzadas | 9:2db641efba7e | 2506 | case ST7036_5V: |
fcalzadas | 9:2db641efba7e | 2507 | _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N DH IS2,IS1 = 01 (Select Instr Set = 1) |
fcalzadas | 9:2db641efba7e | 2508 | |
fcalzadas | 9:2db641efba7e | 2509 | for (idx=0; idx<16; idx++) { |
fcalzadas | 9:2db641efba7e | 2510 | _writeCommand(0x40 | idx); // Set Icon Address, mask Address to valid range (Instr Set 1) |
fcalzadas | 9:2db641efba7e | 2511 | _writeData(0x00); // Clear Icon pattern (Instr Set 1) |
fcalzadas | 9:2db641efba7e | 2512 | } |
fcalzadas | 9:2db641efba7e | 2513 | |
fcalzadas | 9:2db641efba7e | 2514 | _writeCommand(0x20 | _function); // Set function, IS2,IS1 = 00 (Select Instr Set = 0) |
fcalzadas | 9:2db641efba7e | 2515 | // Select Std Instr set, Select IS=0 |
fcalzadas | 9:2db641efba7e | 2516 | break; // end ST7036 |
fcalzadas | 9:2db641efba7e | 2517 | |
fcalzadas | 9:2db641efba7e | 2518 | case SSD1803_3V3: |
fcalzadas | 9:2db641efba7e | 2519 | // case SSD1803_5V: |
fcalzadas | 9:2db641efba7e | 2520 | _writeCommand(0x20 | _function | 0x01); // Set function, 0 0 1 DL N DH RE(0) IS |
fcalzadas | 9:2db641efba7e | 2521 | // Select Instruction Set 1 |
fcalzadas | 9:2db641efba7e | 2522 | for (idx=0; idx<16; idx++) { |
fcalzadas | 9:2db641efba7e | 2523 | _writeCommand(0x40 | idx); // Set Icon Address, mask Address to valid range (Ext Instr Set) |
fcalzadas | 9:2db641efba7e | 2524 | _writeData(0x00); // Clear Icon pattern (Ext Instr Set) |
fcalzadas | 9:2db641efba7e | 2525 | } |
fcalzadas | 9:2db641efba7e | 2526 | _writeCommand(0x20 | _function); // Set function, 0 0 1 DL N DH RE(0) IS |
fcalzadas | 9:2db641efba7e | 2527 | // Select IS=0 |
fcalzadas | 9:2db641efba7e | 2528 | break; // end SSD1803 |
fcalzadas | 9:2db641efba7e | 2529 | |
fcalzadas | 9:2db641efba7e | 2530 | case PCF2103_3V3: |
fcalzadas | 9:2db641efba7e | 2531 | case PCF2113_3V3: |
fcalzadas | 9:2db641efba7e | 2532 | // PCF2103 and PCF2113 use part of the UDC RAM to control Icons |
fcalzadas | 9:2db641efba7e | 2533 | // Select CG RAM |
fcalzadas | 9:2db641efba7e | 2534 | |
fcalzadas | 9:2db641efba7e | 2535 | _writeCommand(0x40 | (0 * 8)); //Set CG-RAM address, 8 sequential locations needed per UDC |
fcalzadas | 9:2db641efba7e | 2536 | // Store UDC/Icon pattern: |
fcalzadas | 9:2db641efba7e | 2537 | // 3 x 8 rows x 5 bits = 120 bits for Normal pattern (UDC 0..2) and |
fcalzadas | 9:2db641efba7e | 2538 | for (int i=0; i<(3 * 8); i++) { |
fcalzadas | 9:2db641efba7e | 2539 | // _writeData(0x1F); // All On |
fcalzadas | 9:2db641efba7e | 2540 | _writeData(0x00); // All Off |
fcalzadas | 9:2db641efba7e | 2541 | } |
fcalzadas | 9:2db641efba7e | 2542 | |
fcalzadas | 9:2db641efba7e | 2543 | _writeCommand(0x40 | (4 * 8)); //Set CG-RAM address, 8 sequential locations needed per UDC |
fcalzadas | 9:2db641efba7e | 2544 | // 3 x 8 rows x 5 bits = 120 bits for Blink pattern (UDC 4..6) |
fcalzadas | 9:2db641efba7e | 2545 | for (int i=0; i<(3 * 8); i++) { |
fcalzadas | 9:2db641efba7e | 2546 | // _writeData(0x1F); // All On |
fcalzadas | 9:2db641efba7e | 2547 | _writeData(0x00); // All Off |
fcalzadas | 9:2db641efba7e | 2548 | } |
fcalzadas | 9:2db641efba7e | 2549 | break; // case PCF2103_3V3 Controller |
fcalzadas | 9:2db641efba7e | 2550 | |
fcalzadas | 9:2db641efba7e | 2551 | case PCF2119_3V3: |
fcalzadas | 9:2db641efba7e | 2552 | // PCF2119 uses part of the UDC RAM to control Icons |
fcalzadas | 9:2db641efba7e | 2553 | // Select CG RAM |
fcalzadas | 9:2db641efba7e | 2554 | |
fcalzadas | 9:2db641efba7e | 2555 | _writeCommand(0x40 | (0 * 8)); //Set CG-RAM address, 8 sequential locations needed per UDC |
fcalzadas | 9:2db641efba7e | 2556 | // Store UDC/Icon pattern: |
fcalzadas | 9:2db641efba7e | 2557 | // 4 x 8 rows x 5 bits = 160 bits for Normal pattern (UDC 0..3) and |
fcalzadas | 9:2db641efba7e | 2558 | for (int i=0; i<(4 * 8); i++) { |
fcalzadas | 9:2db641efba7e | 2559 | // _writeData(0x1F); // All On |
fcalzadas | 9:2db641efba7e | 2560 | _writeData(0x00); // All Off |
fcalzadas | 9:2db641efba7e | 2561 | } |
fcalzadas | 9:2db641efba7e | 2562 | |
fcalzadas | 9:2db641efba7e | 2563 | _writeCommand(0x40 | (4 * 8)); //Set CG-RAM address, 8 sequential locations needed per UDC |
fcalzadas | 9:2db641efba7e | 2564 | // 4 x 8 rows x 5 bits = 160 bits for Blink pattern (UDC 4..7) |
fcalzadas | 9:2db641efba7e | 2565 | for (int i=0; i<(4 * 8); i++) { |
fcalzadas | 9:2db641efba7e | 2566 | // _writeData(0x1F); // All On |
fcalzadas | 9:2db641efba7e | 2567 | _writeData(0x00); // All Off |
fcalzadas | 9:2db641efba7e | 2568 | } |
fcalzadas | 9:2db641efba7e | 2569 | break; // case PCF2119_3V3 Controller |
fcalzadas | 9:2db641efba7e | 2570 | |
fcalzadas | 9:2db641efba7e | 2571 | default: |
fcalzadas | 9:2db641efba7e | 2572 | break; // end default |
fcalzadas | 9:2db641efba7e | 2573 | } // end switch _ctrl |
fcalzadas | 9:2db641efba7e | 2574 | |
fcalzadas | 9:2db641efba7e | 2575 | //Select DD RAM again for current LCD controller and restore the addresspointer |
fcalzadas | 9:2db641efba7e | 2576 | int addr = getAddress(_column, _row); |
fcalzadas | 9:2db641efba7e | 2577 | _writeCommand(0x80 | addr); |
fcalzadas | 9:2db641efba7e | 2578 | } //end clrIcon() |
fcalzadas | 9:2db641efba7e | 2579 | |
fcalzadas | 9:2db641efba7e | 2580 | |
fcalzadas | 9:2db641efba7e | 2581 | /** Set Invert |
fcalzadas | 9:2db641efba7e | 2582 | * setInvert method is supported by some compatible devices (eg KS0073) to swap between black and white |
fcalzadas | 9:2db641efba7e | 2583 | * |
fcalzadas | 9:2db641efba7e | 2584 | * @param bool invertOn Invert on/off |
fcalzadas | 9:2db641efba7e | 2585 | * @return none |
fcalzadas | 9:2db641efba7e | 2586 | */ |
fcalzadas | 9:2db641efba7e | 2587 | //@TODO Add support for 40x4 dual controller |
fcalzadas | 9:2db641efba7e | 2588 | void TextLCD_Base::setInvert(bool invertOn) { |
fcalzadas | 9:2db641efba7e | 2589 | |
fcalzadas | 9:2db641efba7e | 2590 | if (invertOn) { |
fcalzadas | 9:2db641efba7e | 2591 | // Controllers that support Invert |
fcalzadas | 9:2db641efba7e | 2592 | switch (_ctrl) { |
fcalzadas | 9:2db641efba7e | 2593 | case KS0073: |
fcalzadas | 9:2db641efba7e | 2594 | case KS0078: |
fcalzadas | 9:2db641efba7e | 2595 | _function = _function | 0x01; // Enable Invert |
fcalzadas | 9:2db641efba7e | 2596 | _writeCommand(0x20 | _function); // Activate Invert (Std Instr Set) |
fcalzadas | 9:2db641efba7e | 2597 | break; |
fcalzadas | 9:2db641efba7e | 2598 | case SSD1803_3V3 : |
fcalzadas | 9:2db641efba7e | 2599 | // case SSD1803_5V : |
fcalzadas | 9:2db641efba7e | 2600 | case US2066_3V3: |
fcalzadas | 9:2db641efba7e | 2601 | // case USS2066_5V: |
fcalzadas | 9:2db641efba7e | 2602 | _function_1 = _function_1 | 0x01; // Enable Invert |
fcalzadas | 9:2db641efba7e | 2603 | // Set function, 0 0 1 DL N BE RE(1) REV (SSD1803) |
fcalzadas | 9:2db641efba7e | 2604 | // Set function, 0 0 1 X N BE RE(1) REV (US2066) |
fcalzadas | 9:2db641efba7e | 2605 | _writeCommand(0x20 | _function_1); // Activate Invert (Ext Instr Set) |
fcalzadas | 9:2db641efba7e | 2606 | _writeCommand(0x20 | _function); // Return to Std Instr Set |
fcalzadas | 9:2db641efba7e | 2607 | break; |
fcalzadas | 9:2db641efba7e | 2608 | default: |
fcalzadas | 9:2db641efba7e | 2609 | //Unsupported feature for other controllers |
fcalzadas | 9:2db641efba7e | 2610 | break; |
fcalzadas | 9:2db641efba7e | 2611 | } // end switch |
fcalzadas | 9:2db641efba7e | 2612 | } |
fcalzadas | 9:2db641efba7e | 2613 | else { |
fcalzadas | 9:2db641efba7e | 2614 | // Controllers that support Invert |
fcalzadas | 9:2db641efba7e | 2615 | switch (_ctrl) { |
fcalzadas | 9:2db641efba7e | 2616 | case KS0073: |
fcalzadas | 9:2db641efba7e | 2617 | case KS0078: |
fcalzadas | 9:2db641efba7e | 2618 | _function = _function & ~0x01; // Disable Invert |
fcalzadas | 9:2db641efba7e | 2619 | _writeCommand(0x20 | _function); // Disable Invert (Std Instr Set) |
fcalzadas | 9:2db641efba7e | 2620 | break; |
fcalzadas | 9:2db641efba7e | 2621 | case SSD1803_3V3 : |
fcalzadas | 9:2db641efba7e | 2622 | // case SSD1803_5V : |
fcalzadas | 9:2db641efba7e | 2623 | case US2066_3V3: |
fcalzadas | 9:2db641efba7e | 2624 | // case USS2066_5V: |
fcalzadas | 9:2db641efba7e | 2625 | _function_1 = _function_1 & ~0x01; // Disable Invert |
fcalzadas | 9:2db641efba7e | 2626 | // Set function, 0 0 1 DL N BE RE(1) REV (SSD1803) |
fcalzadas | 9:2db641efba7e | 2627 | // Set function, 0 0 1 X N BE RE(1) REV (US2066) |
fcalzadas | 9:2db641efba7e | 2628 | _writeCommand(0x20 | _function_1); // Activate Invert (Ext Instr Set) |
fcalzadas | 9:2db641efba7e | 2629 | _writeCommand(0x20 | _function); // Return to Std Instr Set |
fcalzadas | 9:2db641efba7e | 2630 | break; |
fcalzadas | 9:2db641efba7e | 2631 | |
fcalzadas | 9:2db641efba7e | 2632 | default: |
fcalzadas | 9:2db641efba7e | 2633 | //Unsupported feature for other controllers |
fcalzadas | 9:2db641efba7e | 2634 | break; |
fcalzadas | 9:2db641efba7e | 2635 | } // end switch |
fcalzadas | 9:2db641efba7e | 2636 | } |
fcalzadas | 9:2db641efba7e | 2637 | } // end setInvert() |
fcalzadas | 9:2db641efba7e | 2638 | |
fcalzadas | 9:2db641efba7e | 2639 | //--------- End TextLCD_Base ----------- |
fcalzadas | 9:2db641efba7e | 2640 | |
fcalzadas | 9:2db641efba7e | 2641 | |
fcalzadas | 9:2db641efba7e | 2642 | //--------- Start TextLCD Bus ----------- |
fcalzadas | 9:2db641efba7e | 2643 | |
fcalzadas | 9:2db641efba7e | 2644 | /* Create a TextLCD interface for using regular mbed pins |
fcalzadas | 9:2db641efba7e | 2645 | * |
fcalzadas | 9:2db641efba7e | 2646 | * @param rs Instruction/data control line |
fcalzadas | 9:2db641efba7e | 2647 | * @param e Enable line (clock) |
fcalzadas | 9:2db641efba7e | 2648 | * @param d4-d7 Data lines for using as a 4-bit interface |
fcalzadas | 9:2db641efba7e | 2649 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
fcalzadas | 9:2db641efba7e | 2650 | * @param bl Backlight control line (optional, default = NC) |
fcalzadas | 9:2db641efba7e | 2651 | * @param e2 Enable2 line (clock for second controller, LCD40x4 only) |
fcalzadas | 9:2db641efba7e | 2652 | * @param ctrl LCD controller (default = HD44780) |
fcalzadas | 9:2db641efba7e | 2653 | */ |
fcalzadas | 9:2db641efba7e | 2654 | TextLCD::TextLCD(PinName rs, PinName e, |
fcalzadas | 9:2db641efba7e | 2655 | PinName d4, PinName d5, PinName d6, PinName d7, |
fcalzadas | 9:2db641efba7e | 2656 | LCDType type, PinName bl, PinName e2, LCDCtrl ctrl) : |
fcalzadas | 9:2db641efba7e | 2657 | TextLCD_Base(type, ctrl), |
fcalzadas | 9:2db641efba7e | 2658 | _rs(rs), _e(e), _d(d4, d5, d6, d7) { |
fcalzadas | 9:2db641efba7e | 2659 | |
fcalzadas | 9:2db641efba7e | 2660 | // The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access. |
fcalzadas | 9:2db641efba7e | 2661 | if (bl != NC) { |
fcalzadas | 9:2db641efba7e | 2662 | _bl = new DigitalOut(bl); //Construct new pin |
fcalzadas | 9:2db641efba7e | 2663 | _bl->write(0); //Deactivate |
fcalzadas | 9:2db641efba7e | 2664 | } |
fcalzadas | 9:2db641efba7e | 2665 | else { |
fcalzadas | 9:2db641efba7e | 2666 | // No Hardware Backlight pin |
fcalzadas | 9:2db641efba7e | 2667 | _bl = NULL; //Construct dummy pin |
fcalzadas | 9:2db641efba7e | 2668 | } |
fcalzadas | 9:2db641efba7e | 2669 | |
fcalzadas | 9:2db641efba7e | 2670 | // The hardware Enable2 pin is only needed for LCD40x4. Test and make sure whether it exists or not to prevent illegal access. |
fcalzadas | 9:2db641efba7e | 2671 | if (e2 != NC) { |
fcalzadas | 9:2db641efba7e | 2672 | _e2 = new DigitalOut(e2); //Construct new pin |
fcalzadas | 9:2db641efba7e | 2673 | _e2->write(0); //Deactivate |
fcalzadas | 9:2db641efba7e | 2674 | } |
fcalzadas | 9:2db641efba7e | 2675 | else { |
fcalzadas | 9:2db641efba7e | 2676 | // No Hardware Enable pin |
fcalzadas | 9:2db641efba7e | 2677 | _e2 = NULL; //Construct dummy pin |
fcalzadas | 9:2db641efba7e | 2678 | } |
fcalzadas | 9:2db641efba7e | 2679 | |
fcalzadas | 9:2db641efba7e | 2680 | _init(_LCD_DL_4); // Set Datalength to 4 bit for mbed bus interfaces |
fcalzadas | 9:2db641efba7e | 2681 | } |
fcalzadas | 9:2db641efba7e | 2682 | |
fcalzadas | 9:2db641efba7e | 2683 | /** Destruct a TextLCD interface for using regular mbed pins |
fcalzadas | 9:2db641efba7e | 2684 | * |
fcalzadas | 9:2db641efba7e | 2685 | * @param none |
fcalzadas | 9:2db641efba7e | 2686 | * @return none |
fcalzadas | 9:2db641efba7e | 2687 | */ |
fcalzadas | 9:2db641efba7e | 2688 | TextLCD::~TextLCD() { |
fcalzadas | 9:2db641efba7e | 2689 | if (_bl != NULL) {delete _bl;} // BL pin |
fcalzadas | 9:2db641efba7e | 2690 | if (_e2 != NULL) {delete _e2;} // E2 pin |
fcalzadas | 9:2db641efba7e | 2691 | } |
fcalzadas | 9:2db641efba7e | 2692 | |
fcalzadas | 9:2db641efba7e | 2693 | /** Set E pin (or E2 pin) |
fcalzadas | 9:2db641efba7e | 2694 | * Used for mbed pins, I2C bus expander or SPI shiftregister |
fcalzadas | 9:2db641efba7e | 2695 | * Default PinName value for E2 is NC, must be used as pointer to avoid issues with mbed lib and DigitalOut pins |
fcalzadas | 9:2db641efba7e | 2696 | * @param value true or false |
fcalzadas | 9:2db641efba7e | 2697 | * @return none |
fcalzadas | 9:2db641efba7e | 2698 | */ |
fcalzadas | 9:2db641efba7e | 2699 | void TextLCD::_setEnable(bool value) { |
fcalzadas | 9:2db641efba7e | 2700 | |
fcalzadas | 9:2db641efba7e | 2701 | if(_ctrl_idx==_LCDCtrl_0) { |
fcalzadas | 9:2db641efba7e | 2702 | if (value) { |
fcalzadas | 9:2db641efba7e | 2703 | _e = 1; // Set E bit |
fcalzadas | 9:2db641efba7e | 2704 | } |
fcalzadas | 9:2db641efba7e | 2705 | else { |
fcalzadas | 9:2db641efba7e | 2706 | _e = 0; // Reset E bit |
fcalzadas | 9:2db641efba7e | 2707 | } |
fcalzadas | 9:2db641efba7e | 2708 | } |
fcalzadas | 9:2db641efba7e | 2709 | else { |
fcalzadas | 9:2db641efba7e | 2710 | if (value) { |
fcalzadas | 9:2db641efba7e | 2711 | if (_e2 != NULL) {_e2->write(1);} //Set E2 bit |
fcalzadas | 9:2db641efba7e | 2712 | } |
fcalzadas | 9:2db641efba7e | 2713 | else { |
fcalzadas | 9:2db641efba7e | 2714 | if (_e2 != NULL) {_e2->write(0);} //Reset E2 bit |
fcalzadas | 9:2db641efba7e | 2715 | } |
fcalzadas | 9:2db641efba7e | 2716 | } |
fcalzadas | 9:2db641efba7e | 2717 | } |
fcalzadas | 9:2db641efba7e | 2718 | |
fcalzadas | 9:2db641efba7e | 2719 | // Set RS pin |
fcalzadas | 9:2db641efba7e | 2720 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
fcalzadas | 9:2db641efba7e | 2721 | void TextLCD::_setRS(bool value) { |
fcalzadas | 9:2db641efba7e | 2722 | |
fcalzadas | 9:2db641efba7e | 2723 | if (value) { |
fcalzadas | 9:2db641efba7e | 2724 | _rs = 1; // Set RS bit |
fcalzadas | 9:2db641efba7e | 2725 | } |
fcalzadas | 9:2db641efba7e | 2726 | else { |
fcalzadas | 9:2db641efba7e | 2727 | _rs = 0; // Reset RS bit |
fcalzadas | 9:2db641efba7e | 2728 | } |
fcalzadas | 9:2db641efba7e | 2729 | } |
fcalzadas | 9:2db641efba7e | 2730 | |
fcalzadas | 9:2db641efba7e | 2731 | /** Set BL pin |
fcalzadas | 9:2db641efba7e | 2732 | * Used for mbed pins, I2C bus expander or SPI shiftregister |
fcalzadas | 9:2db641efba7e | 2733 | * Default PinName value is NC, must be used as pointer to avoid issues with mbed lib and DigitalOut pins |
fcalzadas | 9:2db641efba7e | 2734 | * @param value true or false |
fcalzadas | 9:2db641efba7e | 2735 | * @return none |
fcalzadas | 9:2db641efba7e | 2736 | */ |
fcalzadas | 9:2db641efba7e | 2737 | void TextLCD::_setBL(bool value) { |
fcalzadas | 9:2db641efba7e | 2738 | |
fcalzadas | 9:2db641efba7e | 2739 | if (value) { |
fcalzadas | 9:2db641efba7e | 2740 | if (_bl != NULL) {_bl->write(1);} //Set BL bit |
fcalzadas | 9:2db641efba7e | 2741 | } |
fcalzadas | 9:2db641efba7e | 2742 | else { |
fcalzadas | 9:2db641efba7e | 2743 | if (_bl != NULL) {_bl->write(0);} //Reset BL bit |
fcalzadas | 9:2db641efba7e | 2744 | } |
fcalzadas | 9:2db641efba7e | 2745 | } |
fcalzadas | 9:2db641efba7e | 2746 | |
fcalzadas | 9:2db641efba7e | 2747 | // Place the 4bit data on the databus |
fcalzadas | 9:2db641efba7e | 2748 | // Used for mbed pins, I2C bus expander or SPI shifregister |
fcalzadas | 9:2db641efba7e | 2749 | void TextLCD::_setData(int value) { |
fcalzadas | 9:2db641efba7e | 2750 | _d = value & 0x0F; // Write Databits |
fcalzadas | 9:2db641efba7e | 2751 | } |
fcalzadas | 9:2db641efba7e | 2752 | |
fcalzadas | 9:2db641efba7e | 2753 | //----------- End TextLCD --------------- |
fcalzadas | 9:2db641efba7e | 2754 | |
fcalzadas | 9:2db641efba7e | 2755 | |
fcalzadas | 9:2db641efba7e | 2756 | //--------- Start TextLCD_I2C ----------- |
fcalzadas | 9:2db641efba7e | 2757 | #if(LCD_I2C == 1) /* I2C Expander PCF8574/MCP23008 */ |
fcalzadas | 9:2db641efba7e | 2758 | /** Create a TextLCD interface using an I2C PC8574 (or PCF8574A) or MCP23008 portexpander |
fcalzadas | 9:2db641efba7e | 2759 | * |
fcalzadas | 9:2db641efba7e | 2760 | * @param i2c I2C Bus |
fcalzadas | 9:2db641efba7e | 2761 | * @param deviceAddress I2C slave address (PCF8574, PCF8574A or MCP23008, default = 0x40) |
fcalzadas | 9:2db641efba7e | 2762 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
fcalzadas | 9:2db641efba7e | 2763 | * @param ctrl LCD controller (default = HD44780) |
fcalzadas | 9:2db641efba7e | 2764 | */ |
fcalzadas | 9:2db641efba7e | 2765 | TextLCD_I2C::TextLCD_I2C(I2C *i2c, char deviceAddress, LCDType type, LCDCtrl ctrl) : |
fcalzadas | 9:2db641efba7e | 2766 | TextLCD_Base(type, ctrl), |
fcalzadas | 9:2db641efba7e | 2767 | _i2c(i2c){ |
fcalzadas | 9:2db641efba7e | 2768 | |
fcalzadas | 9:2db641efba7e | 2769 | _slaveAddress = deviceAddress & 0xFE; |
fcalzadas | 9:2db641efba7e | 2770 | |
fcalzadas | 9:2db641efba7e | 2771 | // Setup the I2C bus |
fcalzadas | 9:2db641efba7e | 2772 | // The max bitrate for PCF8574 is 100kbit, the max bitrate for MCP23008 is 400kbit, |
fcalzadas | 9:2db641efba7e | 2773 | _i2c->frequency(100000); |
fcalzadas | 9:2db641efba7e | 2774 | |
fcalzadas | 9:2db641efba7e | 2775 | #if (MCP23008==1) |
fcalzadas | 9:2db641efba7e | 2776 | // MCP23008 portexpander Init |
fcalzadas | 9:2db641efba7e | 2777 | _writeRegister(IODIR, 0x00); // All pins are outputs |
fcalzadas | 9:2db641efba7e | 2778 | _writeRegister(IPOL, 0x00); // No reverse polarity on inputs |
fcalzadas | 9:2db641efba7e | 2779 | _writeRegister(GPINTEN, 0x00); // No interrupt on change of input pins |
fcalzadas | 9:2db641efba7e | 2780 | _writeRegister(DEFVAL, 0x00); // Default value to compare against for interrupts |
fcalzadas | 9:2db641efba7e | 2781 | _writeRegister(INTCON, 0x00); // No interrupt on changes, compare against previous pin value |
fcalzadas | 9:2db641efba7e | 2782 | _writeRegister(IOCON, 0x20); // b1=0 - Interrupt polarity active low |
fcalzadas | 9:2db641efba7e | 2783 | // b2=0 - Interrupt pin active driver output |
fcalzadas | 9:2db641efba7e | 2784 | // b4=0 - Slew rate enable on SDA |
fcalzadas | 9:2db641efba7e | 2785 | // b5=0 - Auto-increment on registeraddress |
fcalzadas | 9:2db641efba7e | 2786 | // b5=1 - No auto-increment on registeraddress => needed for performance improved I2C expander mode |
fcalzadas | 9:2db641efba7e | 2787 | _writeRegister(GPPU, 0x00); // No Pullup |
fcalzadas | 9:2db641efba7e | 2788 | // INTF // Interrupt flags read (Read-Only) |
fcalzadas | 9:2db641efba7e | 2789 | // INTCAP // Captured inputpins at time of interrupt (Read-Only) |
fcalzadas | 9:2db641efba7e | 2790 | // _writeRegister(GPIO, 0x00); // Output/Input pins |
fcalzadas | 9:2db641efba7e | 2791 | // _writeRegister(OLAT, 0x00); // Output Latch |
fcalzadas | 9:2db641efba7e | 2792 | |
fcalzadas | 9:2db641efba7e | 2793 | // Init the portexpander bus |
fcalzadas | 9:2db641efba7e | 2794 | _lcd_bus = D_LCD_BUS_DEF; |
fcalzadas | 9:2db641efba7e | 2795 | |
fcalzadas | 9:2db641efba7e | 2796 | // write the new data to the portexpander |
fcalzadas | 9:2db641efba7e | 2797 | _writeRegister(GPIO, _lcd_bus); |
fcalzadas | 9:2db641efba7e | 2798 | #else |
fcalzadas | 9:2db641efba7e | 2799 | // PCF8574 of PCF8574A portexpander |
fcalzadas | 9:2db641efba7e | 2800 | |
fcalzadas | 9:2db641efba7e | 2801 | // Init the portexpander bus |
fcalzadas | 9:2db641efba7e | 2802 | _lcd_bus = D_LCD_BUS_DEF; |
fcalzadas | 9:2db641efba7e | 2803 | |
fcalzadas | 9:2db641efba7e | 2804 | // write the new data to the portexpander |
fcalzadas | 9:2db641efba7e | 2805 | _i2c->write(_slaveAddress, &_lcd_bus, 1); |
fcalzadas | 9:2db641efba7e | 2806 | #endif |
fcalzadas | 9:2db641efba7e | 2807 | |
fcalzadas | 9:2db641efba7e | 2808 | _init(_LCD_DL_4); // Set Datalength to 4 bit for all serial expander interfaces |
simon | 1:ac48b187213c | 2809 | } |
simon | 1:ac48b187213c | 2810 | |
fcalzadas | 9:2db641efba7e | 2811 | // Set E bit (or E2 bit) in the databus shadowvalue |
fcalzadas | 9:2db641efba7e | 2812 | // Used for mbed I2C bus expander |
fcalzadas | 9:2db641efba7e | 2813 | void TextLCD_I2C::_setEnableBit(bool value) { |
fcalzadas | 9:2db641efba7e | 2814 | |
fcalzadas | 9:2db641efba7e | 2815 | if(_ctrl_idx==_LCDCtrl_0) { |
fcalzadas | 9:2db641efba7e | 2816 | if (value) { |
fcalzadas | 9:2db641efba7e | 2817 | _lcd_bus |= D_LCD_E; // Set E bit |
fcalzadas | 9:2db641efba7e | 2818 | } |
fcalzadas | 9:2db641efba7e | 2819 | else { |
fcalzadas | 9:2db641efba7e | 2820 | _lcd_bus &= ~D_LCD_E; // Reset E bit |
fcalzadas | 9:2db641efba7e | 2821 | } |
fcalzadas | 9:2db641efba7e | 2822 | } |
fcalzadas | 9:2db641efba7e | 2823 | else { |
fcalzadas | 9:2db641efba7e | 2824 | if (value) { |
fcalzadas | 9:2db641efba7e | 2825 | _lcd_bus |= D_LCD_E2; // Set E2 bit |
fcalzadas | 9:2db641efba7e | 2826 | } |
fcalzadas | 9:2db641efba7e | 2827 | else { |
fcalzadas | 9:2db641efba7e | 2828 | _lcd_bus &= ~D_LCD_E2; // Reset E2bit |
fcalzadas | 9:2db641efba7e | 2829 | } |
fcalzadas | 9:2db641efba7e | 2830 | } |
fcalzadas | 9:2db641efba7e | 2831 | } |
fcalzadas | 9:2db641efba7e | 2832 | |
fcalzadas | 9:2db641efba7e | 2833 | // Set E pin (or E2 pin) |
fcalzadas | 9:2db641efba7e | 2834 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
fcalzadas | 9:2db641efba7e | 2835 | void TextLCD_I2C::_setEnable(bool value) { |
fcalzadas | 9:2db641efba7e | 2836 | |
fcalzadas | 9:2db641efba7e | 2837 | // Place the E or E2 bit data on the databus shadowvalue |
fcalzadas | 9:2db641efba7e | 2838 | _setEnableBit(value); |
fcalzadas | 9:2db641efba7e | 2839 | |
fcalzadas | 9:2db641efba7e | 2840 | #if (MCP23008==1) |
fcalzadas | 9:2db641efba7e | 2841 | // MCP23008 portexpander |
fcalzadas | 9:2db641efba7e | 2842 | |
fcalzadas | 9:2db641efba7e | 2843 | // write the new data to the portexpander |
fcalzadas | 9:2db641efba7e | 2844 | _writeRegister(GPIO, _lcd_bus); |
fcalzadas | 9:2db641efba7e | 2845 | #else |
fcalzadas | 9:2db641efba7e | 2846 | // PCF8574 of PCF8574A portexpander |
fcalzadas | 9:2db641efba7e | 2847 | |
fcalzadas | 9:2db641efba7e | 2848 | // write the new data to the I2C portexpander |
fcalzadas | 9:2db641efba7e | 2849 | _i2c->write(_slaveAddress, &_lcd_bus, 1); |
fcalzadas | 9:2db641efba7e | 2850 | #endif |
fcalzadas | 9:2db641efba7e | 2851 | } |
fcalzadas | 9:2db641efba7e | 2852 | |
fcalzadas | 9:2db641efba7e | 2853 | |
fcalzadas | 9:2db641efba7e | 2854 | // Set RS pin |
fcalzadas | 9:2db641efba7e | 2855 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
fcalzadas | 9:2db641efba7e | 2856 | void TextLCD_I2C::_setRS(bool value) { |
fcalzadas | 9:2db641efba7e | 2857 | |
fcalzadas | 9:2db641efba7e | 2858 | if (value) { |
fcalzadas | 9:2db641efba7e | 2859 | _lcd_bus |= D_LCD_RS; // Set RS bit |
fcalzadas | 9:2db641efba7e | 2860 | } |
fcalzadas | 9:2db641efba7e | 2861 | else { |
fcalzadas | 9:2db641efba7e | 2862 | _lcd_bus &= ~D_LCD_RS; // Reset RS bit |
fcalzadas | 9:2db641efba7e | 2863 | } |
fcalzadas | 9:2db641efba7e | 2864 | |
fcalzadas | 9:2db641efba7e | 2865 | #if (MCP23008==1) |
fcalzadas | 9:2db641efba7e | 2866 | // MCP23008 portexpander |
fcalzadas | 9:2db641efba7e | 2867 | |
fcalzadas | 9:2db641efba7e | 2868 | // write the new data to the portexpander |
fcalzadas | 9:2db641efba7e | 2869 | _writeRegister(GPIO, _lcd_bus); |
fcalzadas | 9:2db641efba7e | 2870 | #else |
fcalzadas | 9:2db641efba7e | 2871 | // PCF8574 of PCF8574A portexpander |
fcalzadas | 9:2db641efba7e | 2872 | |
fcalzadas | 9:2db641efba7e | 2873 | // write the new data to the I2C portexpander |
fcalzadas | 9:2db641efba7e | 2874 | _i2c->write(_slaveAddress, &_lcd_bus, 1); |
fcalzadas | 9:2db641efba7e | 2875 | #endif |
fcalzadas | 9:2db641efba7e | 2876 | } |
fcalzadas | 9:2db641efba7e | 2877 | |
fcalzadas | 9:2db641efba7e | 2878 | // Set BL pin |
fcalzadas | 9:2db641efba7e | 2879 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
fcalzadas | 9:2db641efba7e | 2880 | void TextLCD_I2C::_setBL(bool value) { |
fcalzadas | 9:2db641efba7e | 2881 | |
fcalzadas | 9:2db641efba7e | 2882 | if (value) { |
fcalzadas | 9:2db641efba7e | 2883 | _lcd_bus |= D_LCD_BL; // Set BL bit |
fcalzadas | 9:2db641efba7e | 2884 | } |
fcalzadas | 9:2db641efba7e | 2885 | else { |
fcalzadas | 9:2db641efba7e | 2886 | _lcd_bus &= ~D_LCD_BL; // Reset BL bit |
fcalzadas | 9:2db641efba7e | 2887 | } |
fcalzadas | 9:2db641efba7e | 2888 | |
fcalzadas | 9:2db641efba7e | 2889 | #if (MCP23008==1) |
fcalzadas | 9:2db641efba7e | 2890 | // MCP23008 portexpander |
fcalzadas | 9:2db641efba7e | 2891 | |
fcalzadas | 9:2db641efba7e | 2892 | // write the new data to the portexpander |
fcalzadas | 9:2db641efba7e | 2893 | _writeRegister(GPIO, _lcd_bus); |
fcalzadas | 9:2db641efba7e | 2894 | #else |
fcalzadas | 9:2db641efba7e | 2895 | // PCF8574 of PCF8574A portexpander |
fcalzadas | 9:2db641efba7e | 2896 | |
fcalzadas | 9:2db641efba7e | 2897 | // write the new data to the I2C portexpander |
fcalzadas | 9:2db641efba7e | 2898 | _i2c->write(_slaveAddress, &_lcd_bus, 1); |
fcalzadas | 9:2db641efba7e | 2899 | #endif |
fcalzadas | 9:2db641efba7e | 2900 | } |
fcalzadas | 9:2db641efba7e | 2901 | |
fcalzadas | 9:2db641efba7e | 2902 | |
fcalzadas | 9:2db641efba7e | 2903 | // Place the 4bit data in the databus shadowvalue |
fcalzadas | 9:2db641efba7e | 2904 | // Used for mbed I2C bus expander |
fcalzadas | 9:2db641efba7e | 2905 | void TextLCD_I2C::_setDataBits(int value) { |
fcalzadas | 9:2db641efba7e | 2906 | |
fcalzadas | 9:2db641efba7e | 2907 | // Set bit by bit to support any mapping of expander portpins to LCD pins |
fcalzadas | 9:2db641efba7e | 2908 | if (value & 0x01){ |
fcalzadas | 9:2db641efba7e | 2909 | _lcd_bus |= D_LCD_D4; // Set Databit |
fcalzadas | 9:2db641efba7e | 2910 | } |
fcalzadas | 9:2db641efba7e | 2911 | else { |
fcalzadas | 9:2db641efba7e | 2912 | _lcd_bus &= ~D_LCD_D4; // Reset Databit |
fcalzadas | 9:2db641efba7e | 2913 | } |
fcalzadas | 9:2db641efba7e | 2914 | |
fcalzadas | 9:2db641efba7e | 2915 | if (value & 0x02){ |
fcalzadas | 9:2db641efba7e | 2916 | _lcd_bus |= D_LCD_D5; // Set Databit |
fcalzadas | 9:2db641efba7e | 2917 | } |
fcalzadas | 9:2db641efba7e | 2918 | else { |
fcalzadas | 9:2db641efba7e | 2919 | _lcd_bus &= ~D_LCD_D5; // Reset Databit |
fcalzadas | 9:2db641efba7e | 2920 | } |
fcalzadas | 9:2db641efba7e | 2921 | |
fcalzadas | 9:2db641efba7e | 2922 | if (value & 0x04) { |
fcalzadas | 9:2db641efba7e | 2923 | _lcd_bus |= D_LCD_D6; // Set Databit |
fcalzadas | 9:2db641efba7e | 2924 | } |
fcalzadas | 9:2db641efba7e | 2925 | else { |
fcalzadas | 9:2db641efba7e | 2926 | _lcd_bus &= ~D_LCD_D6; // Reset Databit |
fcalzadas | 9:2db641efba7e | 2927 | } |
fcalzadas | 9:2db641efba7e | 2928 | |
fcalzadas | 9:2db641efba7e | 2929 | if (value & 0x08) { |
fcalzadas | 9:2db641efba7e | 2930 | _lcd_bus |= D_LCD_D7; // Set Databit |
fcalzadas | 9:2db641efba7e | 2931 | } |
fcalzadas | 9:2db641efba7e | 2932 | else { |
fcalzadas | 9:2db641efba7e | 2933 | _lcd_bus &= ~D_LCD_D7; // Reset Databit |
fcalzadas | 9:2db641efba7e | 2934 | } |
fcalzadas | 9:2db641efba7e | 2935 | } |
fcalzadas | 9:2db641efba7e | 2936 | |
fcalzadas | 9:2db641efba7e | 2937 | // Place the 4bit data on the databus |
fcalzadas | 9:2db641efba7e | 2938 | // Used for mbed pins, I2C bus expander or SPI shifregister |
fcalzadas | 9:2db641efba7e | 2939 | void TextLCD_I2C::_setData(int value) { |
fcalzadas | 9:2db641efba7e | 2940 | |
fcalzadas | 9:2db641efba7e | 2941 | // Place the 4bit data on the databus shadowvalue |
fcalzadas | 9:2db641efba7e | 2942 | _setDataBits(value); |
fcalzadas | 9:2db641efba7e | 2943 | |
fcalzadas | 9:2db641efba7e | 2944 | // Place the 4bit data on the databus |
fcalzadas | 9:2db641efba7e | 2945 | #if (MCP23008==1) |
fcalzadas | 9:2db641efba7e | 2946 | // MCP23008 portexpander |
fcalzadas | 9:2db641efba7e | 2947 | |
fcalzadas | 9:2db641efba7e | 2948 | // write the new data to the portexpander |
fcalzadas | 9:2db641efba7e | 2949 | _writeRegister(GPIO, _lcd_bus); |
fcalzadas | 9:2db641efba7e | 2950 | #else |
fcalzadas | 9:2db641efba7e | 2951 | // PCF8574 of PCF8574A portexpander |
fcalzadas | 9:2db641efba7e | 2952 | |
fcalzadas | 9:2db641efba7e | 2953 | // write the new data to the I2C portexpander |
fcalzadas | 9:2db641efba7e | 2954 | _i2c->write(_slaveAddress, &_lcd_bus, 1); |
fcalzadas | 9:2db641efba7e | 2955 | #endif |
fcalzadas | 9:2db641efba7e | 2956 | } |
fcalzadas | 9:2db641efba7e | 2957 | |
fcalzadas | 9:2db641efba7e | 2958 | // Write data to MCP23008 I2C portexpander |
fcalzadas | 9:2db641efba7e | 2959 | // Used for mbed I2C bus expander |
fcalzadas | 9:2db641efba7e | 2960 | void TextLCD_I2C::_writeRegister (int reg, int value) { |
fcalzadas | 9:2db641efba7e | 2961 | char data[] = {reg, value}; |
fcalzadas | 9:2db641efba7e | 2962 | |
fcalzadas | 9:2db641efba7e | 2963 | _i2c->write(_slaveAddress, data, 2); |
fcalzadas | 9:2db641efba7e | 2964 | } |
fcalzadas | 9:2db641efba7e | 2965 | |
fcalzadas | 9:2db641efba7e | 2966 | //New optimized |
fcalzadas | 9:2db641efba7e | 2967 | //Test faster _writeByte 0.11s vs 0.27s for a 20x4 fillscreen (PCF8574) |
fcalzadas | 9:2db641efba7e | 2968 | //Test faster _writeByte 0.14s vs 0.34s for a 20x4 fillscreen (MCP23008) |
fcalzadas | 9:2db641efba7e | 2969 | |
fcalzadas | 9:2db641efba7e | 2970 | // Write a byte using I2C |
fcalzadas | 9:2db641efba7e | 2971 | void TextLCD_I2C::_writeByte(int value) { |
fcalzadas | 9:2db641efba7e | 2972 | char data[6]; |
fcalzadas | 9:2db641efba7e | 2973 | |
fcalzadas | 9:2db641efba7e | 2974 | #if (MCP23008==1) |
fcalzadas | 9:2db641efba7e | 2975 | // MCP23008 portexpander |
fcalzadas | 9:2db641efba7e | 2976 | |
fcalzadas | 9:2db641efba7e | 2977 | data[0] = GPIO; // set registeraddres |
fcalzadas | 9:2db641efba7e | 2978 | // Note: auto-increment is disabled so all data will go to GPIO register |
fcalzadas | 9:2db641efba7e | 2979 | |
fcalzadas | 9:2db641efba7e | 2980 | _setEnableBit(true); // set E |
fcalzadas | 9:2db641efba7e | 2981 | _setDataBits(value >> 4); // set data high |
fcalzadas | 9:2db641efba7e | 2982 | data[1] = _lcd_bus; |
fcalzadas | 9:2db641efba7e | 2983 | |
fcalzadas | 9:2db641efba7e | 2984 | _setEnableBit(false); // clear E |
fcalzadas | 9:2db641efba7e | 2985 | data[2] = _lcd_bus; |
fcalzadas | 9:2db641efba7e | 2986 | |
fcalzadas | 9:2db641efba7e | 2987 | _setEnableBit(true); // set E |
fcalzadas | 9:2db641efba7e | 2988 | _setDataBits(value); // set data low |
fcalzadas | 9:2db641efba7e | 2989 | data[3] = _lcd_bus; |
fcalzadas | 9:2db641efba7e | 2990 | |
fcalzadas | 9:2db641efba7e | 2991 | _setEnableBit(false); // clear E |
fcalzadas | 9:2db641efba7e | 2992 | data[4] = _lcd_bus; |
fcalzadas | 9:2db641efba7e | 2993 | |
fcalzadas | 9:2db641efba7e | 2994 | // write the packed data to the I2C portexpander |
fcalzadas | 9:2db641efba7e | 2995 | _i2c->write(_slaveAddress, data, 5); |
fcalzadas | 9:2db641efba7e | 2996 | #else |
fcalzadas | 9:2db641efba7e | 2997 | // PCF8574 of PCF8574A portexpander |
fcalzadas | 9:2db641efba7e | 2998 | |
fcalzadas | 9:2db641efba7e | 2999 | _setEnableBit(true); // set E |
fcalzadas | 9:2db641efba7e | 3000 | _setDataBits(value >> 4); // set data high |
fcalzadas | 9:2db641efba7e | 3001 | data[0] = _lcd_bus; |
fcalzadas | 9:2db641efba7e | 3002 | |
fcalzadas | 9:2db641efba7e | 3003 | _setEnableBit(false); // clear E |
fcalzadas | 9:2db641efba7e | 3004 | data[1] = _lcd_bus; |
fcalzadas | 9:2db641efba7e | 3005 | |
fcalzadas | 9:2db641efba7e | 3006 | _setEnableBit(true); // set E |
fcalzadas | 9:2db641efba7e | 3007 | _setDataBits(value); // set data low |
fcalzadas | 9:2db641efba7e | 3008 | data[2] = _lcd_bus; |
fcalzadas | 9:2db641efba7e | 3009 | |
fcalzadas | 9:2db641efba7e | 3010 | _setEnableBit(false); // clear E |
fcalzadas | 9:2db641efba7e | 3011 | data[3] = _lcd_bus; |
fcalzadas | 9:2db641efba7e | 3012 | |
fcalzadas | 9:2db641efba7e | 3013 | // write the packed data to the I2C portexpander |
fcalzadas | 9:2db641efba7e | 3014 | _i2c->write(_slaveAddress, data, 4); |
fcalzadas | 9:2db641efba7e | 3015 | #endif |
fcalzadas | 9:2db641efba7e | 3016 | } |
fcalzadas | 9:2db641efba7e | 3017 | |
fcalzadas | 9:2db641efba7e | 3018 | #endif /* I2C Expander PCF8574/MCP23008 */ |
fcalzadas | 9:2db641efba7e | 3019 | //---------- End TextLCD_I2C ------------ |
fcalzadas | 9:2db641efba7e | 3020 | |
fcalzadas | 9:2db641efba7e | 3021 | |
fcalzadas | 9:2db641efba7e | 3022 | //--------- Start TextLCD_SPI ----------- |
fcalzadas | 9:2db641efba7e | 3023 | #if(LCD_SPI == 1) /* SPI Expander SN74595 */ |
fcalzadas | 9:2db641efba7e | 3024 | |
fcalzadas | 9:2db641efba7e | 3025 | /** Create a TextLCD interface using an SPI 74595 portexpander |
fcalzadas | 9:2db641efba7e | 3026 | * |
fcalzadas | 9:2db641efba7e | 3027 | * @param spi SPI Bus |
fcalzadas | 9:2db641efba7e | 3028 | * @param cs chip select pin (active low) |
fcalzadas | 9:2db641efba7e | 3029 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
fcalzadas | 9:2db641efba7e | 3030 | * @param ctrl LCD controller (default = HD44780) |
fcalzadas | 9:2db641efba7e | 3031 | */ |
fcalzadas | 9:2db641efba7e | 3032 | TextLCD_SPI::TextLCD_SPI(SPI *spi, PinName cs, LCDType type, LCDCtrl ctrl) : |
fcalzadas | 9:2db641efba7e | 3033 | TextLCD_Base(type, ctrl), |
fcalzadas | 9:2db641efba7e | 3034 | _spi(spi), |
fcalzadas | 9:2db641efba7e | 3035 | _cs(cs) { |
fcalzadas | 9:2db641efba7e | 3036 | |
fcalzadas | 9:2db641efba7e | 3037 | // Init cs |
fcalzadas | 9:2db641efba7e | 3038 | _cs = 1; |
fcalzadas | 9:2db641efba7e | 3039 | |
fcalzadas | 9:2db641efba7e | 3040 | // Setup the spi for 8 bit data, low steady state clock, |
fcalzadas | 9:2db641efba7e | 3041 | // rising edge capture, with a 500KHz or 1MHz clock rate |
fcalzadas | 9:2db641efba7e | 3042 | _spi->format(8,0); |
fcalzadas | 9:2db641efba7e | 3043 | _spi->frequency(500000); |
fcalzadas | 9:2db641efba7e | 3044 | //_spi.frequency(1000000); |
fcalzadas | 9:2db641efba7e | 3045 | |
fcalzadas | 9:2db641efba7e | 3046 | // Init the portexpander bus |
fcalzadas | 9:2db641efba7e | 3047 | _lcd_bus = D_LCD_BUS_DEF; |
fcalzadas | 9:2db641efba7e | 3048 | |
fcalzadas | 9:2db641efba7e | 3049 | // write the new data to the portexpander |
fcalzadas | 9:2db641efba7e | 3050 | _cs = 0; |
fcalzadas | 9:2db641efba7e | 3051 | _spi->write(_lcd_bus); |
fcalzadas | 9:2db641efba7e | 3052 | _cs = 1; |
fcalzadas | 9:2db641efba7e | 3053 | |
fcalzadas | 9:2db641efba7e | 3054 | _init(_LCD_DL_4); // Set Datalength to 4 bit for all serial expander interfaces |
fcalzadas | 9:2db641efba7e | 3055 | } |
fcalzadas | 9:2db641efba7e | 3056 | |
fcalzadas | 9:2db641efba7e | 3057 | // Set E pin (or E2 pin) |
fcalzadas | 9:2db641efba7e | 3058 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
fcalzadas | 9:2db641efba7e | 3059 | void TextLCD_SPI::_setEnable(bool value) { |
fcalzadas | 9:2db641efba7e | 3060 | |
fcalzadas | 9:2db641efba7e | 3061 | if(_ctrl_idx==_LCDCtrl_0) { |
fcalzadas | 9:2db641efba7e | 3062 | if (value) { |
fcalzadas | 9:2db641efba7e | 3063 | _lcd_bus |= D_LCD_E; // Set E bit |
fcalzadas | 9:2db641efba7e | 3064 | } |
fcalzadas | 9:2db641efba7e | 3065 | else { |
fcalzadas | 9:2db641efba7e | 3066 | _lcd_bus &= ~D_LCD_E; // Reset E bit |
fcalzadas | 9:2db641efba7e | 3067 | } |
fcalzadas | 9:2db641efba7e | 3068 | } |
fcalzadas | 9:2db641efba7e | 3069 | else { |
fcalzadas | 9:2db641efba7e | 3070 | if (value) { |
fcalzadas | 9:2db641efba7e | 3071 | _lcd_bus |= D_LCD_E2; // Set E2 bit |
fcalzadas | 9:2db641efba7e | 3072 | } |
fcalzadas | 9:2db641efba7e | 3073 | else { |
fcalzadas | 9:2db641efba7e | 3074 | _lcd_bus &= ~D_LCD_E2; // Reset E2 bit |
fcalzadas | 9:2db641efba7e | 3075 | } |
fcalzadas | 9:2db641efba7e | 3076 | } |
fcalzadas | 9:2db641efba7e | 3077 | |
fcalzadas | 9:2db641efba7e | 3078 | // write the new data to the SPI portexpander |
fcalzadas | 9:2db641efba7e | 3079 | _cs = 0; |
fcalzadas | 9:2db641efba7e | 3080 | _spi->write(_lcd_bus); |
fcalzadas | 9:2db641efba7e | 3081 | _cs = 1; |
fcalzadas | 9:2db641efba7e | 3082 | } |
fcalzadas | 9:2db641efba7e | 3083 | |
fcalzadas | 9:2db641efba7e | 3084 | // Set RS pin |
fcalzadas | 9:2db641efba7e | 3085 | // Used for mbed pins, I2C bus expander or SPI shiftregister and SPI_N |
fcalzadas | 9:2db641efba7e | 3086 | void TextLCD_SPI::_setRS(bool value) { |
fcalzadas | 9:2db641efba7e | 3087 | |
fcalzadas | 9:2db641efba7e | 3088 | if (value) { |
fcalzadas | 9:2db641efba7e | 3089 | _lcd_bus |= D_LCD_RS; // Set RS bit |
fcalzadas | 9:2db641efba7e | 3090 | } |
fcalzadas | 9:2db641efba7e | 3091 | else { |
fcalzadas | 9:2db641efba7e | 3092 | _lcd_bus &= ~D_LCD_RS; // Reset RS bit |
fcalzadas | 9:2db641efba7e | 3093 | } |
fcalzadas | 9:2db641efba7e | 3094 | |
fcalzadas | 9:2db641efba7e | 3095 | // write the new data to the SPI portexpander |
fcalzadas | 9:2db641efba7e | 3096 | _cs = 0; |
fcalzadas | 9:2db641efba7e | 3097 | _spi->write(_lcd_bus); |
fcalzadas | 9:2db641efba7e | 3098 | _cs = 1; |
fcalzadas | 9:2db641efba7e | 3099 | } |
fcalzadas | 9:2db641efba7e | 3100 | |
fcalzadas | 9:2db641efba7e | 3101 | // Set BL pin |
fcalzadas | 9:2db641efba7e | 3102 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
fcalzadas | 9:2db641efba7e | 3103 | void TextLCD_SPI::_setBL(bool value) { |
fcalzadas | 9:2db641efba7e | 3104 | |
fcalzadas | 9:2db641efba7e | 3105 | if (value) { |
fcalzadas | 9:2db641efba7e | 3106 | _lcd_bus |= D_LCD_BL; // Set BL bit |
fcalzadas | 9:2db641efba7e | 3107 | } |
fcalzadas | 9:2db641efba7e | 3108 | else { |
fcalzadas | 9:2db641efba7e | 3109 | _lcd_bus &= ~D_LCD_BL; // Reset BL bit |
fcalzadas | 9:2db641efba7e | 3110 | } |
fcalzadas | 9:2db641efba7e | 3111 | |
fcalzadas | 9:2db641efba7e | 3112 | // write the new data to the SPI portexpander |
fcalzadas | 9:2db641efba7e | 3113 | _cs = 0; |
fcalzadas | 9:2db641efba7e | 3114 | _spi->write(_lcd_bus); |
fcalzadas | 9:2db641efba7e | 3115 | _cs = 1; |
fcalzadas | 9:2db641efba7e | 3116 | } |
fcalzadas | 9:2db641efba7e | 3117 | |
fcalzadas | 9:2db641efba7e | 3118 | // Place the 4bit data on the databus |
fcalzadas | 9:2db641efba7e | 3119 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
fcalzadas | 9:2db641efba7e | 3120 | void TextLCD_SPI::_setData(int value) { |
fcalzadas | 9:2db641efba7e | 3121 | |
fcalzadas | 9:2db641efba7e | 3122 | // Set bit by bit to support any mapping of expander portpins to LCD pins |
fcalzadas | 9:2db641efba7e | 3123 | if (value & 0x01) { |
fcalzadas | 9:2db641efba7e | 3124 | _lcd_bus |= D_LCD_D4; // Set Databit |
fcalzadas | 9:2db641efba7e | 3125 | } |
fcalzadas | 9:2db641efba7e | 3126 | else { |
fcalzadas | 9:2db641efba7e | 3127 | _lcd_bus &= ~D_LCD_D4; // Reset Databit |
fcalzadas | 9:2db641efba7e | 3128 | } |
fcalzadas | 9:2db641efba7e | 3129 | |
fcalzadas | 9:2db641efba7e | 3130 | if (value & 0x02) { |
fcalzadas | 9:2db641efba7e | 3131 | _lcd_bus |= D_LCD_D5; // Set Databit |
fcalzadas | 9:2db641efba7e | 3132 | } |
fcalzadas | 9:2db641efba7e | 3133 | else { |
fcalzadas | 9:2db641efba7e | 3134 | _lcd_bus &= ~D_LCD_D5; // Reset Databit |
fcalzadas | 9:2db641efba7e | 3135 | } |
fcalzadas | 9:2db641efba7e | 3136 | |
fcalzadas | 9:2db641efba7e | 3137 | if (value & 0x04) { |
fcalzadas | 9:2db641efba7e | 3138 | _lcd_bus |= D_LCD_D6; // Set Databit |
fcalzadas | 9:2db641efba7e | 3139 | } |
fcalzadas | 9:2db641efba7e | 3140 | else { |
fcalzadas | 9:2db641efba7e | 3141 | _lcd_bus &= ~D_LCD_D6; // Reset Databit |
fcalzadas | 9:2db641efba7e | 3142 | } |
fcalzadas | 9:2db641efba7e | 3143 | |
fcalzadas | 9:2db641efba7e | 3144 | if (value & 0x08) { |
fcalzadas | 9:2db641efba7e | 3145 | _lcd_bus |= D_LCD_D7; // Set Databit |
fcalzadas | 9:2db641efba7e | 3146 | } |
fcalzadas | 9:2db641efba7e | 3147 | else { |
fcalzadas | 9:2db641efba7e | 3148 | _lcd_bus &= ~D_LCD_D7; // Reset Databit |
fcalzadas | 9:2db641efba7e | 3149 | } |
fcalzadas | 9:2db641efba7e | 3150 | |
fcalzadas | 9:2db641efba7e | 3151 | // write the new data to the SPI portexpander |
fcalzadas | 9:2db641efba7e | 3152 | _cs = 0; |
fcalzadas | 9:2db641efba7e | 3153 | _spi->write(_lcd_bus); |
fcalzadas | 9:2db641efba7e | 3154 | _cs = 1; |
fcalzadas | 9:2db641efba7e | 3155 | } |
fcalzadas | 9:2db641efba7e | 3156 | |
fcalzadas | 9:2db641efba7e | 3157 | #endif /* SPI Expander SN74595 */ |
fcalzadas | 9:2db641efba7e | 3158 | //---------- End TextLCD_SPI ------------ |
fcalzadas | 9:2db641efba7e | 3159 | |
fcalzadas | 9:2db641efba7e | 3160 | |
fcalzadas | 9:2db641efba7e | 3161 | //--------- Start TextLCD_I2C_N --------- |
fcalzadas | 9:2db641efba7e | 3162 | #if(LCD_I2C_N == 1) /* Native I2C */ |
fcalzadas | 9:2db641efba7e | 3163 | |
fcalzadas | 9:2db641efba7e | 3164 | /** Create a TextLCD interface using a controller with native I2C interface |
fcalzadas | 9:2db641efba7e | 3165 | * |
fcalzadas | 9:2db641efba7e | 3166 | * @param i2c I2C Bus |
fcalzadas | 9:2db641efba7e | 3167 | * @param deviceAddress I2C slave address (default = 0x7C) |
fcalzadas | 9:2db641efba7e | 3168 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
fcalzadas | 9:2db641efba7e | 3169 | * @param bl Backlight control line (optional, default = NC) |
fcalzadas | 9:2db641efba7e | 3170 | * @param ctrl LCD controller (default = ST7032_3V3) |
fcalzadas | 9:2db641efba7e | 3171 | */ |
fcalzadas | 9:2db641efba7e | 3172 | TextLCD_I2C_N::TextLCD_I2C_N(I2C *i2c, char deviceAddress, LCDType type, PinName bl, LCDCtrl ctrl) : |
fcalzadas | 9:2db641efba7e | 3173 | TextLCD_Base(type, ctrl), |
fcalzadas | 9:2db641efba7e | 3174 | |
fcalzadas | 9:2db641efba7e | 3175 | _i2c(i2c){ |
fcalzadas | 9:2db641efba7e | 3176 | |
fcalzadas | 9:2db641efba7e | 3177 | _slaveAddress = deviceAddress & 0xFE; |
fcalzadas | 9:2db641efba7e | 3178 | |
fcalzadas | 9:2db641efba7e | 3179 | // Setup the I2C bus |
fcalzadas | 9:2db641efba7e | 3180 | // The max bitrate for ST7032i is 400kbit, lets stick to default here |
fcalzadas | 9:2db641efba7e | 3181 | _i2c->frequency(100000); |
fcalzadas | 9:2db641efba7e | 3182 | |
fcalzadas | 9:2db641efba7e | 3183 | |
fcalzadas | 9:2db641efba7e | 3184 | // The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access. |
fcalzadas | 9:2db641efba7e | 3185 | if (bl != NC) { |
fcalzadas | 9:2db641efba7e | 3186 | _bl = new DigitalOut(bl); //Construct new pin |
fcalzadas | 9:2db641efba7e | 3187 | _bl->write(0); //Deactivate |
fcalzadas | 9:2db641efba7e | 3188 | } |
fcalzadas | 9:2db641efba7e | 3189 | else { |
fcalzadas | 9:2db641efba7e | 3190 | // No Hardware Backlight pin |
fcalzadas | 9:2db641efba7e | 3191 | _bl = NULL; //Construct dummy pin |
fcalzadas | 9:2db641efba7e | 3192 | } |
fcalzadas | 9:2db641efba7e | 3193 | |
fcalzadas | 9:2db641efba7e | 3194 | //Sanity check |
fcalzadas | 9:2db641efba7e | 3195 | if (_ctrl & LCD_C_I2C) { |
fcalzadas | 9:2db641efba7e | 3196 | _init(_LCD_DL_8); // Set Datalength to 8 bit for all native serial interfaces |
fcalzadas | 9:2db641efba7e | 3197 | } |
fcalzadas | 9:2db641efba7e | 3198 | else { |
fcalzadas | 9:2db641efba7e | 3199 | error("Error: LCD Controller type does not support native I2C interface\n\r"); |
fcalzadas | 9:2db641efba7e | 3200 | } |
fcalzadas | 9:2db641efba7e | 3201 | } |
fcalzadas | 9:2db641efba7e | 3202 | |
fcalzadas | 9:2db641efba7e | 3203 | TextLCD_I2C_N::~TextLCD_I2C_N() { |
fcalzadas | 9:2db641efba7e | 3204 | if (_bl != NULL) {delete _bl;} // BL pin |
fcalzadas | 9:2db641efba7e | 3205 | } |
fcalzadas | 9:2db641efba7e | 3206 | |
fcalzadas | 9:2db641efba7e | 3207 | // Not used in this mode |
fcalzadas | 9:2db641efba7e | 3208 | void TextLCD_I2C_N::_setEnable(bool value) { |
fcalzadas | 9:2db641efba7e | 3209 | } |
fcalzadas | 9:2db641efba7e | 3210 | |
fcalzadas | 9:2db641efba7e | 3211 | // Set RS pin |
fcalzadas | 9:2db641efba7e | 3212 | // Used for mbed pins, I2C bus expander or SPI shiftregister and native I2C or SPI |
fcalzadas | 9:2db641efba7e | 3213 | void TextLCD_I2C_N::_setRS(bool value) { |
fcalzadas | 9:2db641efba7e | 3214 | // The controlbyte defines the meaning of the next byte. This next byte can either be data or command. |
fcalzadas | 9:2db641efba7e | 3215 | // Start Slaveaddress+RW b7 b6 b5 b4 b3 b2 b1 b0 b7...........b0 Stop |
fcalzadas | 9:2db641efba7e | 3216 | // Co RS RW 0 0 0 0 0 command or data |
fcalzadas | 9:2db641efba7e | 3217 | // |
fcalzadas | 9:2db641efba7e | 3218 | // C0=1 indicates that another controlbyte will follow after the next data or command byte |
fcalzadas | 9:2db641efba7e | 3219 | // RS=1 means that next byte is data, RS=0 means that next byte is command |
fcalzadas | 9:2db641efba7e | 3220 | // RW=0 means write to controller. RW=1 means that controller will be read from after the next command. |
fcalzadas | 9:2db641efba7e | 3221 | // Many native I2C controllers dont support this option and it is not used by this lib. |
fcalzadas | 9:2db641efba7e | 3222 | // |
fcalzadas | 9:2db641efba7e | 3223 | |
fcalzadas | 9:2db641efba7e | 3224 | if (value) { |
fcalzadas | 9:2db641efba7e | 3225 | _controlbyte = 0x40; // Next byte is data, No more control bytes will follow |
fcalzadas | 9:2db641efba7e | 3226 | } |
fcalzadas | 9:2db641efba7e | 3227 | else { |
fcalzadas | 9:2db641efba7e | 3228 | _controlbyte = 0x00; // Next byte is command, No more control bytes will follow |
fcalzadas | 9:2db641efba7e | 3229 | } |
fcalzadas | 9:2db641efba7e | 3230 | } |
fcalzadas | 9:2db641efba7e | 3231 | |
fcalzadas | 9:2db641efba7e | 3232 | // Set BL pin |
fcalzadas | 9:2db641efba7e | 3233 | void TextLCD_I2C_N::_setBL(bool value) { |
fcalzadas | 9:2db641efba7e | 3234 | if (_bl) { |
fcalzadas | 9:2db641efba7e | 3235 | _bl->write(value); |
fcalzadas | 9:2db641efba7e | 3236 | } |
fcalzadas | 9:2db641efba7e | 3237 | } |
fcalzadas | 9:2db641efba7e | 3238 | |
fcalzadas | 9:2db641efba7e | 3239 | // Not used in this mode |
fcalzadas | 9:2db641efba7e | 3240 | void TextLCD_I2C_N::_setData(int value) { |
fcalzadas | 9:2db641efba7e | 3241 | } |
fcalzadas | 9:2db641efba7e | 3242 | |
fcalzadas | 9:2db641efba7e | 3243 | // Write a byte using I2C |
fcalzadas | 9:2db641efba7e | 3244 | void TextLCD_I2C_N::_writeByte(int value) { |
fcalzadas | 9:2db641efba7e | 3245 | // The controlbyte defines the meaning of the next byte. This next byte can either be data or command. |
fcalzadas | 9:2db641efba7e | 3246 | // Start Slaveaddress+RW b7 b6 b5 b4 b3 b2 b1 b0 b7...........b0 Stop |
fcalzadas | 9:2db641efba7e | 3247 | // Co RS RW 0 0 0 0 0 command or data |
fcalzadas | 9:2db641efba7e | 3248 | // |
fcalzadas | 9:2db641efba7e | 3249 | // C0=1 indicates that another controlbyte will follow after the next data or command byte |
fcalzadas | 9:2db641efba7e | 3250 | // RS=1 means that next byte is data, RS=0 means that next byte is command |
fcalzadas | 9:2db641efba7e | 3251 | // RW=0 means write to controller. RW=1 means that controller will be read from after the next command. |
fcalzadas | 9:2db641efba7e | 3252 | // Many native I2C controllers dont support this option and it is not used by this lib. |
fcalzadas | 9:2db641efba7e | 3253 | // |
fcalzadas | 9:2db641efba7e | 3254 | char data[] = {_controlbyte, value}; |
fcalzadas | 9:2db641efba7e | 3255 | |
fcalzadas | 9:2db641efba7e | 3256 | #if(LCD_I2C_ACK==1) |
fcalzadas | 9:2db641efba7e | 3257 | //Controllers that support ACK |
fcalzadas | 9:2db641efba7e | 3258 | _i2c->write(_slaveAddress, data, 2); |
fcalzadas | 9:2db641efba7e | 3259 | #else |
fcalzadas | 9:2db641efba7e | 3260 | //Controllers that dont support ACK |
fcalzadas | 9:2db641efba7e | 3261 | //Note: This may be issue with some mbed platforms that dont fully/correctly support I2C byte operations. |
fcalzadas | 9:2db641efba7e | 3262 | _i2c->start(); |
fcalzadas | 9:2db641efba7e | 3263 | _i2c->write(_slaveAddress); |
fcalzadas | 9:2db641efba7e | 3264 | _i2c->write(data[0]); |
fcalzadas | 9:2db641efba7e | 3265 | _i2c->write(data[1]); |
fcalzadas | 9:2db641efba7e | 3266 | _i2c->stop(); |
fcalzadas | 9:2db641efba7e | 3267 | #endif |
fcalzadas | 9:2db641efba7e | 3268 | } |
fcalzadas | 9:2db641efba7e | 3269 | #endif /* Native I2C */ |
fcalzadas | 9:2db641efba7e | 3270 | //-------- End TextLCD_I2C_N ------------ |
fcalzadas | 9:2db641efba7e | 3271 | |
fcalzadas | 9:2db641efba7e | 3272 | |
fcalzadas | 9:2db641efba7e | 3273 | //--------- Start TextLCD_SPI_N --------- |
fcalzadas | 9:2db641efba7e | 3274 | #if(LCD_SPI_N == 1) /* Native SPI bus */ |
fcalzadas | 9:2db641efba7e | 3275 | /** Create a TextLCD interface using a controller with a native SPI4 interface |
fcalzadas | 9:2db641efba7e | 3276 | * |
fcalzadas | 9:2db641efba7e | 3277 | * @param spi SPI Bus |
fcalzadas | 9:2db641efba7e | 3278 | * @param cs chip select pin (active low) |
fcalzadas | 9:2db641efba7e | 3279 | * @param rs Instruction/data control line |
fcalzadas | 9:2db641efba7e | 3280 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
fcalzadas | 9:2db641efba7e | 3281 | * @param bl Backlight control line (optional, default = NC) |
fcalzadas | 9:2db641efba7e | 3282 | * @param ctrl LCD controller (default = ST7032_3V3) |
fcalzadas | 9:2db641efba7e | 3283 | */ |
fcalzadas | 9:2db641efba7e | 3284 | TextLCD_SPI_N::TextLCD_SPI_N(SPI *spi, PinName cs, PinName rs, LCDType type, PinName bl, LCDCtrl ctrl) : |
fcalzadas | 9:2db641efba7e | 3285 | TextLCD_Base(type, ctrl), |
fcalzadas | 9:2db641efba7e | 3286 | _spi(spi), |
fcalzadas | 9:2db641efba7e | 3287 | _cs(cs), |
fcalzadas | 9:2db641efba7e | 3288 | _rs(rs) { |
fcalzadas | 9:2db641efba7e | 3289 | |
fcalzadas | 9:2db641efba7e | 3290 | // Init CS |
fcalzadas | 9:2db641efba7e | 3291 | _cs = 1; |
fcalzadas | 9:2db641efba7e | 3292 | |
fcalzadas | 9:2db641efba7e | 3293 | // Setup the spi for 8 bit data, high steady state clock, |
fcalzadas | 9:2db641efba7e | 3294 | // rising edge capture, with a 500KHz or 1MHz clock rate |
fcalzadas | 9:2db641efba7e | 3295 | // _spi->format(8,3); |
fcalzadas | 9:2db641efba7e | 3296 | // _spi->frequency(500000); |
fcalzadas | 9:2db641efba7e | 3297 | // _spi->frequency(1000000); |
fcalzadas | 9:2db641efba7e | 3298 | |
fcalzadas | 9:2db641efba7e | 3299 | // Setup the spi for 8 bit data, low steady state clock, |
fcalzadas | 9:2db641efba7e | 3300 | // rising edge capture, with a 500KHz or 1MHz clock rate |
fcalzadas | 9:2db641efba7e | 3301 | _spi->format(8,0); |
fcalzadas | 9:2db641efba7e | 3302 | // _spi->frequency(500000); |
fcalzadas | 9:2db641efba7e | 3303 | _spi->frequency(1000000); |
fcalzadas | 9:2db641efba7e | 3304 | |
fcalzadas | 9:2db641efba7e | 3305 | // The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access. |
fcalzadas | 9:2db641efba7e | 3306 | if (bl != NC) { |
fcalzadas | 9:2db641efba7e | 3307 | _bl = new DigitalOut(bl); //Construct new pin |
fcalzadas | 9:2db641efba7e | 3308 | _bl->write(0); //Deactivate |
fcalzadas | 9:2db641efba7e | 3309 | } |
fcalzadas | 9:2db641efba7e | 3310 | else { |
fcalzadas | 9:2db641efba7e | 3311 | // No Hardware Backlight pin |
fcalzadas | 9:2db641efba7e | 3312 | _bl = NULL; //Construct dummy pin |
fcalzadas | 9:2db641efba7e | 3313 | } |
fcalzadas | 9:2db641efba7e | 3314 | |
fcalzadas | 9:2db641efba7e | 3315 | //Sanity check |
fcalzadas | 9:2db641efba7e | 3316 | if (_ctrl & LCD_C_SPI4) { |
fcalzadas | 9:2db641efba7e | 3317 | _init(_LCD_DL_8); // Set Datalength to 8 bit for all native serial interfaces |
fcalzadas | 9:2db641efba7e | 3318 | // ST7070 must set datalength to 8 bits! |
fcalzadas | 9:2db641efba7e | 3319 | } |
fcalzadas | 9:2db641efba7e | 3320 | else { |
fcalzadas | 9:2db641efba7e | 3321 | error("Error: LCD Controller type does not support native SPI4 interface\n\r"); |
fcalzadas | 9:2db641efba7e | 3322 | } |
fcalzadas | 9:2db641efba7e | 3323 | } |
fcalzadas | 9:2db641efba7e | 3324 | |
fcalzadas | 9:2db641efba7e | 3325 | TextLCD_SPI_N::~TextLCD_SPI_N() { |
fcalzadas | 9:2db641efba7e | 3326 | if (_bl != NULL) {delete _bl;} // BL pin |
simon | 1:ac48b187213c | 3327 | } |
simon | 1:ac48b187213c | 3328 | |
fcalzadas | 9:2db641efba7e | 3329 | // Not used in this mode |
fcalzadas | 9:2db641efba7e | 3330 | void TextLCD_SPI_N::_setEnable(bool value) { |
fcalzadas | 9:2db641efba7e | 3331 | } |
fcalzadas | 9:2db641efba7e | 3332 | |
fcalzadas | 9:2db641efba7e | 3333 | // Set RS pin |
fcalzadas | 9:2db641efba7e | 3334 | // Used for mbed pins, I2C bus expander or SPI shiftregister, SPI_N |
fcalzadas | 9:2db641efba7e | 3335 | void TextLCD_SPI_N::_setRS(bool value) { |
fcalzadas | 9:2db641efba7e | 3336 | _rs = value; |
fcalzadas | 9:2db641efba7e | 3337 | } |
fcalzadas | 9:2db641efba7e | 3338 | |
fcalzadas | 9:2db641efba7e | 3339 | // Set BL pin |
fcalzadas | 9:2db641efba7e | 3340 | void TextLCD_SPI_N::_setBL(bool value) { |
fcalzadas | 9:2db641efba7e | 3341 | if (_bl) { |
fcalzadas | 9:2db641efba7e | 3342 | _bl->write(value); |
fcalzadas | 9:2db641efba7e | 3343 | } |
fcalzadas | 9:2db641efba7e | 3344 | } |
fcalzadas | 9:2db641efba7e | 3345 | |
fcalzadas | 9:2db641efba7e | 3346 | // Not used in this mode |
fcalzadas | 9:2db641efba7e | 3347 | void TextLCD_SPI_N::_setData(int value) { |
fcalzadas | 9:2db641efba7e | 3348 | } |
fcalzadas | 9:2db641efba7e | 3349 | |
fcalzadas | 9:2db641efba7e | 3350 | // Write a byte using SPI |
fcalzadas | 9:2db641efba7e | 3351 | void TextLCD_SPI_N::_writeByte(int value) { |
fcalzadas | 9:2db641efba7e | 3352 | _cs = 0; |
fcalzadas | 9:2db641efba7e | 3353 | wait_us(1); |
fcalzadas | 9:2db641efba7e | 3354 | _spi->write(value); |
fcalzadas | 9:2db641efba7e | 3355 | wait_us(1); |
fcalzadas | 9:2db641efba7e | 3356 | _cs = 1; |
fcalzadas | 9:2db641efba7e | 3357 | } |
fcalzadas | 9:2db641efba7e | 3358 | #endif /* Native SPI bus */ |
fcalzadas | 9:2db641efba7e | 3359 | //-------- End TextLCD_SPI_N ------------ |
fcalzadas | 9:2db641efba7e | 3360 | |
fcalzadas | 9:2db641efba7e | 3361 | |
fcalzadas | 9:2db641efba7e | 3362 | //-------- Start TextLCD_SPI_N_3_8 -------- |
fcalzadas | 9:2db641efba7e | 3363 | #if(LCD_SPI_N_3_8 == 1) /* Native SPI bus */ |
fcalzadas | 9:2db641efba7e | 3364 | |
fcalzadas | 9:2db641efba7e | 3365 | /** Create a TextLCD interface using a controller with a native SPI3 8 bits interface |
fcalzadas | 9:2db641efba7e | 3366 | * This mode is supported by ST7070. Note that implementation in TexTLCD is not very efficient due to |
fcalzadas | 9:2db641efba7e | 3367 | * structure of the TextLCD library: each databyte is written separately and requires a separate 'count command' set to 1 byte. |
fcalzadas | 9:2db641efba7e | 3368 | * |
fcalzadas | 9:2db641efba7e | 3369 | * @param spi SPI Bus |
fcalzadas | 9:2db641efba7e | 3370 | * @param cs chip select pin (active low) |
fcalzadas | 9:2db641efba7e | 3371 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
fcalzadas | 9:2db641efba7e | 3372 | * @param bl Backlight control line (optional, default = NC) |
fcalzadas | 9:2db641efba7e | 3373 | * @param ctrl LCD controller (default = ST7070) |
fcalzadas | 9:2db641efba7e | 3374 | */ |
fcalzadas | 9:2db641efba7e | 3375 | TextLCD_SPI_N_3_8::TextLCD_SPI_N_3_8(SPI *spi, PinName cs, LCDType type, PinName bl, LCDCtrl ctrl) : |
fcalzadas | 9:2db641efba7e | 3376 | TextLCD_Base(type, ctrl), |
fcalzadas | 9:2db641efba7e | 3377 | _spi(spi), |
fcalzadas | 9:2db641efba7e | 3378 | _cs(cs) { |
fcalzadas | 9:2db641efba7e | 3379 | |
fcalzadas | 9:2db641efba7e | 3380 | // Init CS |
fcalzadas | 9:2db641efba7e | 3381 | _cs = 1; |
fcalzadas | 9:2db641efba7e | 3382 | |
fcalzadas | 9:2db641efba7e | 3383 | // Setup the spi for 8 bit data, high steady state clock, |
fcalzadas | 9:2db641efba7e | 3384 | // rising edge capture, with a 500KHz or 1MHz clock rate |
fcalzadas | 9:2db641efba7e | 3385 | // _spi->format(8,3); |
fcalzadas | 9:2db641efba7e | 3386 | // _spi->frequency(500000); |
fcalzadas | 9:2db641efba7e | 3387 | // _spi->frequency(1000000); |
fcalzadas | 9:2db641efba7e | 3388 | |
fcalzadas | 9:2db641efba7e | 3389 | // Setup the spi for 8 bit data, low steady state clock, |
fcalzadas | 9:2db641efba7e | 3390 | // rising edge capture, with a 500KHz or 1MHz clock rate |
fcalzadas | 9:2db641efba7e | 3391 | _spi->format(8,0); |
fcalzadas | 9:2db641efba7e | 3392 | // _spi->frequency(500000); |
fcalzadas | 9:2db641efba7e | 3393 | _spi->frequency(1000000); |
fcalzadas | 9:2db641efba7e | 3394 | |
fcalzadas | 9:2db641efba7e | 3395 | |
fcalzadas | 9:2db641efba7e | 3396 | // The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access. |
fcalzadas | 9:2db641efba7e | 3397 | if (bl != NC) { |
fcalzadas | 9:2db641efba7e | 3398 | _bl = new DigitalOut(bl); //Construct new pin |
fcalzadas | 9:2db641efba7e | 3399 | _bl->write(0); //Deactivate |
fcalzadas | 9:2db641efba7e | 3400 | } |
fcalzadas | 9:2db641efba7e | 3401 | else { |
fcalzadas | 9:2db641efba7e | 3402 | // No Hardware Backlight pin |
fcalzadas | 9:2db641efba7e | 3403 | _bl = NULL; //Construct dummy pin |
fcalzadas | 9:2db641efba7e | 3404 | } |
fcalzadas | 9:2db641efba7e | 3405 | |
fcalzadas | 9:2db641efba7e | 3406 | //Sanity check |
fcalzadas | 9:2db641efba7e | 3407 | if (_ctrl & LCD_C_SPI3_8) { |
fcalzadas | 9:2db641efba7e | 3408 | _init(_LCD_DL_8); // Set Datalength to 8 bit for all native serial interfaces |
fcalzadas | 9:2db641efba7e | 3409 | } |
fcalzadas | 9:2db641efba7e | 3410 | else { |
fcalzadas | 9:2db641efba7e | 3411 | error("Error: LCD Controller type does not support native SPI3 8 bits interface\n\r"); |
fcalzadas | 9:2db641efba7e | 3412 | } |
fcalzadas | 9:2db641efba7e | 3413 | } |
fcalzadas | 9:2db641efba7e | 3414 | |
fcalzadas | 9:2db641efba7e | 3415 | TextLCD_SPI_N_3_8::~TextLCD_SPI_N_3_8() { |
fcalzadas | 9:2db641efba7e | 3416 | if (_bl != NULL) {delete _bl;} // BL pin |
fcalzadas | 9:2db641efba7e | 3417 | } |
fcalzadas | 9:2db641efba7e | 3418 | |
fcalzadas | 9:2db641efba7e | 3419 | // Not used in this mode |
fcalzadas | 9:2db641efba7e | 3420 | void TextLCD_SPI_N_3_8::_setEnable(bool value) { |
fcalzadas | 9:2db641efba7e | 3421 | } |
fcalzadas | 9:2db641efba7e | 3422 | |
fcalzadas | 9:2db641efba7e | 3423 | // Used for mbed pins, I2C bus expander or SPI shiftregister, SPI_N |
fcalzadas | 9:2db641efba7e | 3424 | // RS=1 means that next byte is data, RS=0 means that next byte is command |
fcalzadas | 9:2db641efba7e | 3425 | void TextLCD_SPI_N_3_8::_setRS(bool value) { |
fcalzadas | 9:2db641efba7e | 3426 | |
fcalzadas | 9:2db641efba7e | 3427 | if (value) { |
fcalzadas | 9:2db641efba7e | 3428 | _controlbyte = 0x01; // Next byte is data, No more control bytes will follow |
fcalzadas | 9:2db641efba7e | 3429 | } |
fcalzadas | 9:2db641efba7e | 3430 | else { |
fcalzadas | 9:2db641efba7e | 3431 | _controlbyte = 0x00; // Next byte is command, No more control bytes will follow |
fcalzadas | 9:2db641efba7e | 3432 | } |
fcalzadas | 9:2db641efba7e | 3433 | } |
fcalzadas | 9:2db641efba7e | 3434 | |
fcalzadas | 9:2db641efba7e | 3435 | // Set BL pin |
fcalzadas | 9:2db641efba7e | 3436 | void TextLCD_SPI_N_3_8::_setBL(bool value) { |
fcalzadas | 9:2db641efba7e | 3437 | if (_bl) { |
fcalzadas | 9:2db641efba7e | 3438 | _bl->write(value); |
fcalzadas | 9:2db641efba7e | 3439 | } |
fcalzadas | 9:2db641efba7e | 3440 | } |
fcalzadas | 9:2db641efba7e | 3441 | |
fcalzadas | 9:2db641efba7e | 3442 | // Not used in this mode |
fcalzadas | 9:2db641efba7e | 3443 | void TextLCD_SPI_N_3_8::_setData(int value) { |
fcalzadas | 9:2db641efba7e | 3444 | } |
fcalzadas | 9:2db641efba7e | 3445 | |
fcalzadas | 9:2db641efba7e | 3446 | // Write a byte using SPI3 8 bits mode (ST7070) |
fcalzadas | 9:2db641efba7e | 3447 | void TextLCD_SPI_N_3_8::_writeByte(int value) { |
fcalzadas | 9:2db641efba7e | 3448 | |
fcalzadas | 9:2db641efba7e | 3449 | if (_controlbyte == 0x00) { // Byte is command |
fcalzadas | 9:2db641efba7e | 3450 | _cs = 0; |
fcalzadas | 9:2db641efba7e | 3451 | wait_us(1); |
fcalzadas | 9:2db641efba7e | 3452 | _spi->write(value); |
fcalzadas | 9:2db641efba7e | 3453 | wait_us(1); |
fcalzadas | 9:2db641efba7e | 3454 | _cs = 1; |
fcalzadas | 9:2db641efba7e | 3455 | } |
fcalzadas | 9:2db641efba7e | 3456 | else { // Byte is data |
fcalzadas | 9:2db641efba7e | 3457 | // Select Extended Instr Set |
fcalzadas | 9:2db641efba7e | 3458 | _cs = 0; |
fcalzadas | 9:2db641efba7e | 3459 | wait_us(1); |
fcalzadas | 9:2db641efba7e | 3460 | _spi->write(0x20 | _function | 0x04); // Set function, 0 0 1 DL N EXT=1 x x (Select Instr Set = 1)); |
fcalzadas | 9:2db641efba7e | 3461 | wait_us(1); |
fcalzadas | 9:2db641efba7e | 3462 | _cs = 1; |
fcalzadas | 9:2db641efba7e | 3463 | |
fcalzadas | 9:2db641efba7e | 3464 | wait_us(40); // Wait until command has finished... |
fcalzadas | 9:2db641efba7e | 3465 | |
fcalzadas | 9:2db641efba7e | 3466 | // Set Count to 1 databyte |
fcalzadas | 9:2db641efba7e | 3467 | _cs = 0; |
fcalzadas | 9:2db641efba7e | 3468 | wait_us(1); |
fcalzadas | 9:2db641efba7e | 3469 | _spi->write(0x80); // Set display data length, 1 L6 L5 L4 L3 L2 L1 L0 (Instr Set = 1) |
fcalzadas | 9:2db641efba7e | 3470 | wait_us(1); |
fcalzadas | 9:2db641efba7e | 3471 | _cs = 1; |
fcalzadas | 9:2db641efba7e | 3472 | |
fcalzadas | 9:2db641efba7e | 3473 | wait_us(40); |
fcalzadas | 9:2db641efba7e | 3474 | |
fcalzadas | 9:2db641efba7e | 3475 | // Write 1 databyte |
fcalzadas | 9:2db641efba7e | 3476 | _cs = 0; |
fcalzadas | 9:2db641efba7e | 3477 | wait_us(1); |
fcalzadas | 9:2db641efba7e | 3478 | _spi->write(value); // Write data (Instr Set = 1) |
fcalzadas | 9:2db641efba7e | 3479 | wait_us(1); |
fcalzadas | 9:2db641efba7e | 3480 | _cs = 1; |
fcalzadas | 9:2db641efba7e | 3481 | |
fcalzadas | 9:2db641efba7e | 3482 | wait_us(40); |
fcalzadas | 9:2db641efba7e | 3483 | |
fcalzadas | 9:2db641efba7e | 3484 | // Select Standard Instr Set |
fcalzadas | 9:2db641efba7e | 3485 | _cs = 0; |
fcalzadas | 9:2db641efba7e | 3486 | wait_us(1); |
fcalzadas | 9:2db641efba7e | 3487 | _spi->write(0x20 | _function); // Set function, 0 0 1 DL N EXT=0 x x (Select Instr Set = 0)); |
fcalzadas | 9:2db641efba7e | 3488 | wait_us(1); |
fcalzadas | 9:2db641efba7e | 3489 | _cs = 1; |
fcalzadas | 9:2db641efba7e | 3490 | } |
fcalzadas | 9:2db641efba7e | 3491 | } |
fcalzadas | 9:2db641efba7e | 3492 | #endif /* Native SPI bus */ |
fcalzadas | 9:2db641efba7e | 3493 | //------- End TextLCD_SPI_N_3_8 ----------- |
fcalzadas | 9:2db641efba7e | 3494 | |
fcalzadas | 9:2db641efba7e | 3495 | |
fcalzadas | 9:2db641efba7e | 3496 | //-------- Start TextLCD_SPI_N_3_9 -------- |
fcalzadas | 9:2db641efba7e | 3497 | #if(LCD_SPI_N_3_9 == 1) /* Native SPI bus */ |
fcalzadas | 9:2db641efba7e | 3498 | //Code checked out on logic analyser. Not yet tested on hardware.. |
fcalzadas | 9:2db641efba7e | 3499 | |
fcalzadas | 9:2db641efba7e | 3500 | /** Create a TextLCD interface using a controller with a native SPI3 9 bits interface |
fcalzadas | 9:2db641efba7e | 3501 | * |
fcalzadas | 9:2db641efba7e | 3502 | * @param spi SPI Bus |
fcalzadas | 9:2db641efba7e | 3503 | * @param cs chip select pin (active low) |
fcalzadas | 9:2db641efba7e | 3504 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
fcalzadas | 9:2db641efba7e | 3505 | * @param bl Backlight control line (optional, default = NC) |
fcalzadas | 9:2db641efba7e | 3506 | * @param ctrl LCD controller (default = AIP31068) |
fcalzadas | 9:2db641efba7e | 3507 | */ |
fcalzadas | 9:2db641efba7e | 3508 | TextLCD_SPI_N_3_9::TextLCD_SPI_N_3_9(SPI *spi, PinName cs, LCDType type, PinName bl, LCDCtrl ctrl) : |
fcalzadas | 9:2db641efba7e | 3509 | TextLCD_Base(type, ctrl), |
fcalzadas | 9:2db641efba7e | 3510 | _spi(spi), |
fcalzadas | 9:2db641efba7e | 3511 | _cs(cs) { |
fcalzadas | 9:2db641efba7e | 3512 | |
fcalzadas | 9:2db641efba7e | 3513 | // Init CS |
fcalzadas | 9:2db641efba7e | 3514 | _cs = 1; |
fcalzadas | 9:2db641efba7e | 3515 | |
fcalzadas | 9:2db641efba7e | 3516 | // Setup the spi for 9 bit data, high steady state clock, |
fcalzadas | 9:2db641efba7e | 3517 | // rising edge capture, with a 500KHz or 1MHz clock rate |
fcalzadas | 9:2db641efba7e | 3518 | _spi->format(9,3); |
fcalzadas | 9:2db641efba7e | 3519 | _spi->frequency(1000000); |
fcalzadas | 9:2db641efba7e | 3520 | |
fcalzadas | 9:2db641efba7e | 3521 | // The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access. |
fcalzadas | 9:2db641efba7e | 3522 | if (bl != NC) { |
fcalzadas | 9:2db641efba7e | 3523 | _bl = new DigitalOut(bl); //Construct new pin |
fcalzadas | 9:2db641efba7e | 3524 | _bl->write(0); //Deactivate |
fcalzadas | 9:2db641efba7e | 3525 | } |
fcalzadas | 9:2db641efba7e | 3526 | else { |
fcalzadas | 9:2db641efba7e | 3527 | // No Hardware Backlight pin |
fcalzadas | 9:2db641efba7e | 3528 | _bl = NULL; //Construct dummy pin |
fcalzadas | 9:2db641efba7e | 3529 | } |
fcalzadas | 9:2db641efba7e | 3530 | |
fcalzadas | 9:2db641efba7e | 3531 | //Sanity check |
fcalzadas | 9:2db641efba7e | 3532 | if (_ctrl & LCD_C_SPI3_9) { |
fcalzadas | 9:2db641efba7e | 3533 | _init(_LCD_DL_8); // Set Datalength to 8 bit for all native serial interfaces |
fcalzadas | 9:2db641efba7e | 3534 | } |
fcalzadas | 9:2db641efba7e | 3535 | else { |
fcalzadas | 9:2db641efba7e | 3536 | error("Error: LCD Controller type does not support native SPI3 9 bits interface\n\r"); |
fcalzadas | 9:2db641efba7e | 3537 | } |
fcalzadas | 9:2db641efba7e | 3538 | } |
fcalzadas | 9:2db641efba7e | 3539 | |
fcalzadas | 9:2db641efba7e | 3540 | TextLCD_SPI_N_3_9::~TextLCD_SPI_N_3_9() { |
fcalzadas | 9:2db641efba7e | 3541 | if (_bl != NULL) {delete _bl;} // BL pin |
fcalzadas | 9:2db641efba7e | 3542 | } |
fcalzadas | 9:2db641efba7e | 3543 | |
fcalzadas | 9:2db641efba7e | 3544 | // Not used in this mode |
fcalzadas | 9:2db641efba7e | 3545 | void TextLCD_SPI_N_3_9::_setEnable(bool value) { |
fcalzadas | 9:2db641efba7e | 3546 | } |
fcalzadas | 9:2db641efba7e | 3547 | |
fcalzadas | 9:2db641efba7e | 3548 | // Set RS pin |
fcalzadas | 9:2db641efba7e | 3549 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
fcalzadas | 9:2db641efba7e | 3550 | void TextLCD_SPI_N_3_9::_setRS(bool value) { |
fcalzadas | 9:2db641efba7e | 3551 | // The controlbits define the meaning of the next byte. This next byte can either be data or command. |
fcalzadas | 9:2db641efba7e | 3552 | // b8 b7...........b0 |
fcalzadas | 9:2db641efba7e | 3553 | // RS command or data |
fcalzadas | 9:2db641efba7e | 3554 | // |
fcalzadas | 9:2db641efba7e | 3555 | // RS=1 means that next byte is data, RS=0 means that next byte is command |
fcalzadas | 9:2db641efba7e | 3556 | // |
fcalzadas | 9:2db641efba7e | 3557 | |
fcalzadas | 9:2db641efba7e | 3558 | if (value) { |
fcalzadas | 9:2db641efba7e | 3559 | _controlbyte = 0x01; // Next byte is data |
fcalzadas | 9:2db641efba7e | 3560 | } |
fcalzadas | 9:2db641efba7e | 3561 | else { |
fcalzadas | 9:2db641efba7e | 3562 | _controlbyte = 0x00; // Next byte is command |
fcalzadas | 9:2db641efba7e | 3563 | } |
fcalzadas | 9:2db641efba7e | 3564 | } |
fcalzadas | 9:2db641efba7e | 3565 | |
fcalzadas | 9:2db641efba7e | 3566 | // Set BL pin |
fcalzadas | 9:2db641efba7e | 3567 | void TextLCD_SPI_N_3_9::_setBL(bool value) { |
fcalzadas | 9:2db641efba7e | 3568 | if (_bl) { |
fcalzadas | 9:2db641efba7e | 3569 | _bl->write(value); |
fcalzadas | 9:2db641efba7e | 3570 | } |
fcalzadas | 9:2db641efba7e | 3571 | } |
fcalzadas | 9:2db641efba7e | 3572 | |
fcalzadas | 9:2db641efba7e | 3573 | // Not used in this mode |
fcalzadas | 9:2db641efba7e | 3574 | void TextLCD_SPI_N_3_9::_setData(int value) { |
fcalzadas | 9:2db641efba7e | 3575 | } |
fcalzadas | 9:2db641efba7e | 3576 | |
fcalzadas | 9:2db641efba7e | 3577 | // Write a byte using SPI3 9 bits mode |
fcalzadas | 9:2db641efba7e | 3578 | void TextLCD_SPI_N_3_9::_writeByte(int value) { |
fcalzadas | 9:2db641efba7e | 3579 | _cs = 0; |
fcalzadas | 9:2db641efba7e | 3580 | wait_us(1); |
fcalzadas | 9:2db641efba7e | 3581 | _spi->write( (_controlbyte << 8) | (value & 0xFF)); |
fcalzadas | 9:2db641efba7e | 3582 | wait_us(1); |
fcalzadas | 9:2db641efba7e | 3583 | _cs = 1; |
simon | 1:ac48b187213c | 3584 | } |
fcalzadas | 9:2db641efba7e | 3585 | #endif /* Native SPI bus */ |
fcalzadas | 9:2db641efba7e | 3586 | //------- End TextLCD_SPI_N_3_9 ----------- |
fcalzadas | 9:2db641efba7e | 3587 | |
fcalzadas | 9:2db641efba7e | 3588 | |
fcalzadas | 9:2db641efba7e | 3589 | //------- Start TextLCD_SPI_N_3_10 -------- |
fcalzadas | 9:2db641efba7e | 3590 | #if(LCD_SPI_N_3_10 == 1) /* Native SPI bus */ |
fcalzadas | 9:2db641efba7e | 3591 | |
fcalzadas | 9:2db641efba7e | 3592 | /** Create a TextLCD interface using a controller with a native SPI3 10 bits interface |
fcalzadas | 9:2db641efba7e | 3593 | * |
fcalzadas | 9:2db641efba7e | 3594 | * @param spi SPI Bus |
fcalzadas | 9:2db641efba7e | 3595 | * @param cs chip select pin (active low) |
fcalzadas | 9:2db641efba7e | 3596 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
fcalzadas | 9:2db641efba7e | 3597 | * @param bl Backlight control line (optional, default = NC) |
fcalzadas | 9:2db641efba7e | 3598 | * @param ctrl LCD controller (default = AIP31068) |
fcalzadas | 9:2db641efba7e | 3599 | */ |
fcalzadas | 9:2db641efba7e | 3600 | TextLCD_SPI_N_3_10::TextLCD_SPI_N_3_10(SPI *spi, PinName cs, LCDType type, PinName bl, LCDCtrl ctrl) : |
fcalzadas | 9:2db641efba7e | 3601 | TextLCD_Base(type, ctrl), |
fcalzadas | 9:2db641efba7e | 3602 | _spi(spi), |
fcalzadas | 9:2db641efba7e | 3603 | _cs(cs) { |
fcalzadas | 9:2db641efba7e | 3604 | |
fcalzadas | 9:2db641efba7e | 3605 | // Init CS |
fcalzadas | 9:2db641efba7e | 3606 | _cs = 1; |
fcalzadas | 9:2db641efba7e | 3607 | |
fcalzadas | 9:2db641efba7e | 3608 | // Setup the spi for 10 bit data, low steady state clock, |
fcalzadas | 9:2db641efba7e | 3609 | // rising edge capture, with a 500KHz or 1MHz clock rate |
fcalzadas | 9:2db641efba7e | 3610 | _spi->format(10,0); |
fcalzadas | 9:2db641efba7e | 3611 | _spi->frequency(1000000); |
fcalzadas | 9:2db641efba7e | 3612 | |
fcalzadas | 9:2db641efba7e | 3613 | // The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access. |
fcalzadas | 9:2db641efba7e | 3614 | if (bl != NC) { |
fcalzadas | 9:2db641efba7e | 3615 | _bl = new DigitalOut(bl); //Construct new pin |
fcalzadas | 9:2db641efba7e | 3616 | _bl->write(0); //Deactivate |
fcalzadas | 9:2db641efba7e | 3617 | } |
fcalzadas | 9:2db641efba7e | 3618 | else { |
fcalzadas | 9:2db641efba7e | 3619 | // No Hardware Backlight pin |
fcalzadas | 9:2db641efba7e | 3620 | _bl = NULL; //Construct dummy pin |
fcalzadas | 9:2db641efba7e | 3621 | } |
fcalzadas | 9:2db641efba7e | 3622 | |
fcalzadas | 9:2db641efba7e | 3623 | //Sanity check |
fcalzadas | 9:2db641efba7e | 3624 | if (_ctrl & LCD_C_SPI3_10) { |
fcalzadas | 9:2db641efba7e | 3625 | _init(_LCD_DL_8); // Set Datalength to 8 bit for all native serial interfaces |
fcalzadas | 9:2db641efba7e | 3626 | } |
fcalzadas | 9:2db641efba7e | 3627 | else { |
fcalzadas | 9:2db641efba7e | 3628 | error("Error: LCD Controller type does not support native SPI3 10 bits interface\n\r"); |
fcalzadas | 9:2db641efba7e | 3629 | } |
fcalzadas | 9:2db641efba7e | 3630 | } |
fcalzadas | 9:2db641efba7e | 3631 | |
fcalzadas | 9:2db641efba7e | 3632 | TextLCD_SPI_N_3_10::~TextLCD_SPI_N_3_10() { |
fcalzadas | 9:2db641efba7e | 3633 | if (_bl != NULL) {delete _bl;} // BL pin |
fcalzadas | 9:2db641efba7e | 3634 | } |
fcalzadas | 9:2db641efba7e | 3635 | |
fcalzadas | 9:2db641efba7e | 3636 | // Not used in this mode |
fcalzadas | 9:2db641efba7e | 3637 | void TextLCD_SPI_N_3_10::_setEnable(bool value) { |
fcalzadas | 9:2db641efba7e | 3638 | } |
fcalzadas | 9:2db641efba7e | 3639 | |
fcalzadas | 9:2db641efba7e | 3640 | // Set RS pin |
fcalzadas | 9:2db641efba7e | 3641 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
fcalzadas | 9:2db641efba7e | 3642 | void TextLCD_SPI_N_3_10::_setRS(bool value) { |
fcalzadas | 9:2db641efba7e | 3643 | // The controlbits define the meaning of the next byte. This next byte can either be data or command. |
fcalzadas | 9:2db641efba7e | 3644 | // b9 b8 b7...........b0 |
fcalzadas | 9:2db641efba7e | 3645 | // RS RW command or data |
fcalzadas | 9:2db641efba7e | 3646 | // |
fcalzadas | 9:2db641efba7e | 3647 | // RS=1 means that next byte is data, RS=0 means that next byte is command |
fcalzadas | 9:2db641efba7e | 3648 | // RW=0 means that next byte is writen, RW=1 means that next byte is read (not used in this lib) |
fcalzadas | 9:2db641efba7e | 3649 | // |
fcalzadas | 9:2db641efba7e | 3650 | |
fcalzadas | 9:2db641efba7e | 3651 | if (value) { |
fcalzadas | 9:2db641efba7e | 3652 | _controlbyte = 0x02; // Next byte is data |
fcalzadas | 9:2db641efba7e | 3653 | } |
fcalzadas | 9:2db641efba7e | 3654 | else { |
fcalzadas | 9:2db641efba7e | 3655 | _controlbyte = 0x00; // Next byte is command |
fcalzadas | 9:2db641efba7e | 3656 | } |
fcalzadas | 9:2db641efba7e | 3657 | } |
fcalzadas | 9:2db641efba7e | 3658 | |
fcalzadas | 9:2db641efba7e | 3659 | // Set BL pin |
fcalzadas | 9:2db641efba7e | 3660 | void TextLCD_SPI_N_3_10::_setBL(bool value) { |
fcalzadas | 9:2db641efba7e | 3661 | if (_bl) { |
fcalzadas | 9:2db641efba7e | 3662 | _bl->write(value); |
fcalzadas | 9:2db641efba7e | 3663 | } |
fcalzadas | 9:2db641efba7e | 3664 | } |
fcalzadas | 9:2db641efba7e | 3665 | |
fcalzadas | 9:2db641efba7e | 3666 | // Not used in this mode |
fcalzadas | 9:2db641efba7e | 3667 | void TextLCD_SPI_N_3_10::_setData(int value) { |
fcalzadas | 9:2db641efba7e | 3668 | } |
fcalzadas | 9:2db641efba7e | 3669 | |
fcalzadas | 9:2db641efba7e | 3670 | // Write a byte using SPI3 10 bits mode |
fcalzadas | 9:2db641efba7e | 3671 | void TextLCD_SPI_N_3_10::_writeByte(int value) { |
fcalzadas | 9:2db641efba7e | 3672 | _cs = 0; |
fcalzadas | 9:2db641efba7e | 3673 | wait_us(1); |
fcalzadas | 9:2db641efba7e | 3674 | _spi->write( (_controlbyte << 8) | (value & 0xFF)); |
fcalzadas | 9:2db641efba7e | 3675 | wait_us(1); |
fcalzadas | 9:2db641efba7e | 3676 | _cs = 1; |
fcalzadas | 9:2db641efba7e | 3677 | } |
fcalzadas | 9:2db641efba7e | 3678 | #endif /* Native SPI bus */ |
fcalzadas | 9:2db641efba7e | 3679 | //------- End TextLCD_SPI_N_3_10 ---------- |
fcalzadas | 9:2db641efba7e | 3680 | |
fcalzadas | 9:2db641efba7e | 3681 | |
fcalzadas | 9:2db641efba7e | 3682 | //------- Start TextLCD_SPI_N_3_16 -------- |
fcalzadas | 9:2db641efba7e | 3683 | #if(LCD_SPI_N_3_16 == 1) /* Native SPI bus */ |
fcalzadas | 9:2db641efba7e | 3684 | |
fcalzadas | 9:2db641efba7e | 3685 | /** Create a TextLCD interface using a controller with a native SPI3 16 bits interface |
fcalzadas | 9:2db641efba7e | 3686 | * |
fcalzadas | 9:2db641efba7e | 3687 | * @param spi SPI Bus |
fcalzadas | 9:2db641efba7e | 3688 | * @param cs chip select pin (active low) |
fcalzadas | 9:2db641efba7e | 3689 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
fcalzadas | 9:2db641efba7e | 3690 | * @param bl Backlight control line (optional, default = NC) |
fcalzadas | 9:2db641efba7e | 3691 | * @param ctrl LCD controller (default = PT6314) |
fcalzadas | 9:2db641efba7e | 3692 | */ |
fcalzadas | 9:2db641efba7e | 3693 | TextLCD_SPI_N_3_16::TextLCD_SPI_N_3_16(SPI *spi, PinName cs, LCDType type, PinName bl, LCDCtrl ctrl) : |
fcalzadas | 9:2db641efba7e | 3694 | TextLCD_Base(type, ctrl), |
fcalzadas | 9:2db641efba7e | 3695 | _spi(spi), |
fcalzadas | 9:2db641efba7e | 3696 | _cs(cs) { |
fcalzadas | 9:2db641efba7e | 3697 | |
fcalzadas | 9:2db641efba7e | 3698 | // Init CS |
fcalzadas | 9:2db641efba7e | 3699 | _cs = 1; |
fcalzadas | 9:2db641efba7e | 3700 | |
fcalzadas | 9:2db641efba7e | 3701 | // Setup the spi for 8 bit data, low steady state clock, |
fcalzadas | 9:2db641efba7e | 3702 | // rising edge capture, with a 500KHz or 1MHz clock rate |
fcalzadas | 9:2db641efba7e | 3703 | _spi->format(8,0); |
fcalzadas | 9:2db641efba7e | 3704 | _spi->frequency(1000000); |
fcalzadas | 9:2db641efba7e | 3705 | |
fcalzadas | 9:2db641efba7e | 3706 | // The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access. |
fcalzadas | 9:2db641efba7e | 3707 | if (bl != NC) { |
fcalzadas | 9:2db641efba7e | 3708 | _bl = new DigitalOut(bl); //Construct new pin |
fcalzadas | 9:2db641efba7e | 3709 | _bl->write(0); //Deactivate |
fcalzadas | 9:2db641efba7e | 3710 | } |
fcalzadas | 9:2db641efba7e | 3711 | else { |
fcalzadas | 9:2db641efba7e | 3712 | // No Hardware Backlight pin |
fcalzadas | 9:2db641efba7e | 3713 | _bl = NULL; //Construct dummy pin |
fcalzadas | 9:2db641efba7e | 3714 | } |
fcalzadas | 9:2db641efba7e | 3715 | |
fcalzadas | 9:2db641efba7e | 3716 | //Sanity check |
fcalzadas | 9:2db641efba7e | 3717 | if (_ctrl & LCD_C_SPI3_16) { |
fcalzadas | 9:2db641efba7e | 3718 | _init(_LCD_DL_8); // Set Datalength to 8 bit for all native serial interfaces |
fcalzadas | 9:2db641efba7e | 3719 | } |
fcalzadas | 9:2db641efba7e | 3720 | else { |
fcalzadas | 9:2db641efba7e | 3721 | error("Error: LCD Controller type does not support native SPI3 16 bits interface\n\r"); |
fcalzadas | 9:2db641efba7e | 3722 | } |
fcalzadas | 9:2db641efba7e | 3723 | } |
fcalzadas | 9:2db641efba7e | 3724 | |
fcalzadas | 9:2db641efba7e | 3725 | TextLCD_SPI_N_3_16::~TextLCD_SPI_N_3_16() { |
fcalzadas | 9:2db641efba7e | 3726 | if (_bl != NULL) {delete _bl;} // BL pin |
fcalzadas | 9:2db641efba7e | 3727 | } |
fcalzadas | 9:2db641efba7e | 3728 | |
fcalzadas | 9:2db641efba7e | 3729 | // Not used in this mode |
fcalzadas | 9:2db641efba7e | 3730 | void TextLCD_SPI_N_3_16::_setEnable(bool value) { |
fcalzadas | 9:2db641efba7e | 3731 | } |
fcalzadas | 9:2db641efba7e | 3732 | |
fcalzadas | 9:2db641efba7e | 3733 | // Set RS pin |
fcalzadas | 9:2db641efba7e | 3734 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
fcalzadas | 9:2db641efba7e | 3735 | void TextLCD_SPI_N_3_16::_setRS(bool value) { |
fcalzadas | 9:2db641efba7e | 3736 | // 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. |
fcalzadas | 9:2db641efba7e | 3737 | // The 8 actual bits represent either a data or a command byte. |
fcalzadas | 9:2db641efba7e | 3738 | // b15 b14 b13 b12 b11 b10 b9 b8 - b7 b6 b5 b4 b3 b2 b1 b0 |
fcalzadas | 9:2db641efba7e | 3739 | // 1 1 1 1 1 RW RS 0 d7 d6 d5 d4 d3 d2 d1 d0 |
fcalzadas | 9:2db641efba7e | 3740 | // |
fcalzadas | 9:2db641efba7e | 3741 | // RS=1 means that next byte is data, RS=0 means that next byte is command |
fcalzadas | 9:2db641efba7e | 3742 | // RW=0 means that next byte is writen, RW=1 means that next byte is read (not used in this lib) |
fcalzadas | 9:2db641efba7e | 3743 | // |
fcalzadas | 9:2db641efba7e | 3744 | |
fcalzadas | 9:2db641efba7e | 3745 | if (value) { |
fcalzadas | 9:2db641efba7e | 3746 | _controlbyte = 0xFA; // Next byte is data |
fcalzadas | 9:2db641efba7e | 3747 | } |
fcalzadas | 9:2db641efba7e | 3748 | else { |
fcalzadas | 9:2db641efba7e | 3749 | _controlbyte = 0xF8; // Next byte is command |
fcalzadas | 9:2db641efba7e | 3750 | } |
fcalzadas | 9:2db641efba7e | 3751 | } |
fcalzadas | 9:2db641efba7e | 3752 | |
fcalzadas | 9:2db641efba7e | 3753 | // Set BL pin |
fcalzadas | 9:2db641efba7e | 3754 | void TextLCD_SPI_N_3_16::_setBL(bool value) { |
fcalzadas | 9:2db641efba7e | 3755 | if (_bl) { |
fcalzadas | 9:2db641efba7e | 3756 | _bl->write(value); |
fcalzadas | 9:2db641efba7e | 3757 | } |
fcalzadas | 9:2db641efba7e | 3758 | } |
fcalzadas | 9:2db641efba7e | 3759 | |
fcalzadas | 9:2db641efba7e | 3760 | // Not used in this mode |
fcalzadas | 9:2db641efba7e | 3761 | void TextLCD_SPI_N_3_16::_setData(int value) { |
fcalzadas | 9:2db641efba7e | 3762 | } |
fcalzadas | 9:2db641efba7e | 3763 | |
fcalzadas | 9:2db641efba7e | 3764 | // Write a byte using SPI3 16 bits mode |
fcalzadas | 9:2db641efba7e | 3765 | void TextLCD_SPI_N_3_16::_writeByte(int value) { |
fcalzadas | 9:2db641efba7e | 3766 | _cs = 0; |
fcalzadas | 9:2db641efba7e | 3767 | wait_us(1); |
fcalzadas | 9:2db641efba7e | 3768 | |
fcalzadas | 9:2db641efba7e | 3769 | _spi->write(_controlbyte); |
fcalzadas | 9:2db641efba7e | 3770 | |
fcalzadas | 9:2db641efba7e | 3771 | _spi->write(value); |
fcalzadas | 9:2db641efba7e | 3772 | |
fcalzadas | 9:2db641efba7e | 3773 | wait_us(1); |
fcalzadas | 9:2db641efba7e | 3774 | _cs = 1; |
fcalzadas | 9:2db641efba7e | 3775 | } |
fcalzadas | 9:2db641efba7e | 3776 | #endif /* Native SPI bus */ |
fcalzadas | 9:2db641efba7e | 3777 | //------- End TextLCD_SPI_N_3_16 ---------- |
fcalzadas | 9:2db641efba7e | 3778 | |
fcalzadas | 9:2db641efba7e | 3779 | |
fcalzadas | 9:2db641efba7e | 3780 | //------- Start TextLCD_SPI_N_3_24 -------- |
fcalzadas | 9:2db641efba7e | 3781 | #if(LCD_SPI_N_3_24 == 1) /* Native SPI bus */ |
fcalzadas | 9:2db641efba7e | 3782 | |
fcalzadas | 9:2db641efba7e | 3783 | /** Create a TextLCD interface using a controller with a native SPI3 24 bits interface |
fcalzadas | 9:2db641efba7e | 3784 | * |
fcalzadas | 9:2db641efba7e | 3785 | * @param spi SPI Bus |
fcalzadas | 9:2db641efba7e | 3786 | * @param cs chip select pin (active low) |
fcalzadas | 9:2db641efba7e | 3787 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
fcalzadas | 9:2db641efba7e | 3788 | * @param bl Backlight control line (optional, default = NC) |
fcalzadas | 9:2db641efba7e | 3789 | * @param ctrl LCD controller (default = SSD1803) |
fcalzadas | 9:2db641efba7e | 3790 | */ |
fcalzadas | 9:2db641efba7e | 3791 | TextLCD_SPI_N_3_24::TextLCD_SPI_N_3_24(SPI *spi, PinName cs, LCDType type, PinName bl, LCDCtrl ctrl) : |
fcalzadas | 9:2db641efba7e | 3792 | TextLCD_Base(type, ctrl), |
fcalzadas | 9:2db641efba7e | 3793 | _spi(spi), |
fcalzadas | 9:2db641efba7e | 3794 | _cs(cs) { |
fcalzadas | 9:2db641efba7e | 3795 | |
fcalzadas | 9:2db641efba7e | 3796 | // Init CS |
fcalzadas | 9:2db641efba7e | 3797 | _cs = 1; |
fcalzadas | 9:2db641efba7e | 3798 | |
fcalzadas | 9:2db641efba7e | 3799 | // Setup the spi for 8 bit data, high steady state clock, |
fcalzadas | 9:2db641efba7e | 3800 | // rising edge capture, with a 500KHz or 1MHz clock rate |
fcalzadas | 9:2db641efba7e | 3801 | _spi->format(8,3); |
fcalzadas | 9:2db641efba7e | 3802 | _spi->frequency(1000000); |
fcalzadas | 9:2db641efba7e | 3803 | |
fcalzadas | 9:2db641efba7e | 3804 | // The hardware Backlight pin is optional. Test and make sure whether it exists or not to prevent illegal access. |
fcalzadas | 9:2db641efba7e | 3805 | if (bl != NC) { |
fcalzadas | 9:2db641efba7e | 3806 | _bl = new DigitalOut(bl); //Construct new pin |
fcalzadas | 9:2db641efba7e | 3807 | _bl->write(0); //Deactivate |
fcalzadas | 9:2db641efba7e | 3808 | } |
fcalzadas | 9:2db641efba7e | 3809 | else { |
fcalzadas | 9:2db641efba7e | 3810 | // No Hardware Backlight pin |
fcalzadas | 9:2db641efba7e | 3811 | _bl = NULL; //Construct dummy pin |
fcalzadas | 9:2db641efba7e | 3812 | } |
fcalzadas | 9:2db641efba7e | 3813 | |
fcalzadas | 9:2db641efba7e | 3814 | //Sanity check |
fcalzadas | 9:2db641efba7e | 3815 | if (_ctrl & LCD_C_SPI3_24) { |
fcalzadas | 9:2db641efba7e | 3816 | _init(_LCD_DL_8); // Set Datalength to 8 bit for all native serial interfaces |
fcalzadas | 9:2db641efba7e | 3817 | } |
fcalzadas | 9:2db641efba7e | 3818 | else { |
fcalzadas | 9:2db641efba7e | 3819 | error("Error: LCD Controller type does not support native SPI3 24 bits interface\n\r"); |
fcalzadas | 9:2db641efba7e | 3820 | } |
fcalzadas | 9:2db641efba7e | 3821 | } |
fcalzadas | 9:2db641efba7e | 3822 | |
fcalzadas | 9:2db641efba7e | 3823 | TextLCD_SPI_N_3_24::~TextLCD_SPI_N_3_24() { |
fcalzadas | 9:2db641efba7e | 3824 | if (_bl != NULL) {delete _bl;} // BL pin |
fcalzadas | 9:2db641efba7e | 3825 | } |
fcalzadas | 9:2db641efba7e | 3826 | |
fcalzadas | 9:2db641efba7e | 3827 | // Not used in this mode |
fcalzadas | 9:2db641efba7e | 3828 | void TextLCD_SPI_N_3_24::_setEnable(bool value) { |
fcalzadas | 9:2db641efba7e | 3829 | } |
fcalzadas | 9:2db641efba7e | 3830 | |
fcalzadas | 9:2db641efba7e | 3831 | // Set RS pin |
fcalzadas | 9:2db641efba7e | 3832 | // Used for mbed pins, I2C bus expander or SPI shiftregister |
fcalzadas | 9:2db641efba7e | 3833 | void TextLCD_SPI_N_3_24::_setRS(bool value) { |
fcalzadas | 9:2db641efba7e | 3834 | // 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. |
fcalzadas | 9:2db641efba7e | 3835 | // Each byte encodes 4 actual bits. The 8 actual bits represent either a data or a command byte. |
fcalzadas | 9:2db641efba7e | 3836 | // b23 b22 b21 b20 b19 b18 b17 b16 - b15 b14 b13 b12 b11 b10 b9 b8 - b7 b6 b5 b4 b3 b2 b1 b0 |
fcalzadas | 9:2db641efba7e | 3837 | // 1 1 1 1 1 RW RS 0 d0 d1 d2 d3 0 0 0 0 d4 d5 d6 d7 0 0 0 0 |
fcalzadas | 9:2db641efba7e | 3838 | // |
fcalzadas | 9:2db641efba7e | 3839 | // RS=1 means that next byte is data, RS=0 means that next byte is command |
fcalzadas | 9:2db641efba7e | 3840 | // RW=0 means that next byte is writen, RW=1 means that next byte is read (not used in this lib) |
fcalzadas | 9:2db641efba7e | 3841 | // |
fcalzadas | 9:2db641efba7e | 3842 | // Note: SPI3_24 expects LSB first. This is inconsistent with regular SPI convention (and hardware) that sends MSB first. |
fcalzadas | 9:2db641efba7e | 3843 | |
fcalzadas | 9:2db641efba7e | 3844 | if (value) { |
fcalzadas | 9:2db641efba7e | 3845 | _controlbyte = 0xFA; // Next byte is data |
fcalzadas | 9:2db641efba7e | 3846 | } |
fcalzadas | 9:2db641efba7e | 3847 | else { |
fcalzadas | 9:2db641efba7e | 3848 | _controlbyte = 0xF8; // Next byte is command |
fcalzadas | 9:2db641efba7e | 3849 | } |
fcalzadas | 9:2db641efba7e | 3850 | } |
fcalzadas | 9:2db641efba7e | 3851 | |
fcalzadas | 9:2db641efba7e | 3852 | // Set BL pin |
fcalzadas | 9:2db641efba7e | 3853 | void TextLCD_SPI_N_3_24::_setBL(bool value) { |
fcalzadas | 9:2db641efba7e | 3854 | if (_bl) { |
fcalzadas | 9:2db641efba7e | 3855 | _bl->write(value); |
fcalzadas | 9:2db641efba7e | 3856 | } |
fcalzadas | 9:2db641efba7e | 3857 | } |
fcalzadas | 9:2db641efba7e | 3858 | |
fcalzadas | 9:2db641efba7e | 3859 | // Not used in this mode |
fcalzadas | 9:2db641efba7e | 3860 | void TextLCD_SPI_N_3_24::_setData(int value) { |
fcalzadas | 9:2db641efba7e | 3861 | } |
fcalzadas | 9:2db641efba7e | 3862 | |
fcalzadas | 9:2db641efba7e | 3863 | //Mapping table to flip the bits around cause SPI3_24 expects LSB first. |
fcalzadas | 9:2db641efba7e | 3864 | const uint8_t map3_24[16] = {0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0, 0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0}; |
fcalzadas | 9:2db641efba7e | 3865 | |
fcalzadas | 9:2db641efba7e | 3866 | // Write a byte using SPI3 24 bits mode |
fcalzadas | 9:2db641efba7e | 3867 | void TextLCD_SPI_N_3_24::_writeByte(int value) { |
fcalzadas | 9:2db641efba7e | 3868 | _cs = 0; |
fcalzadas | 9:2db641efba7e | 3869 | wait_us(1); |
fcalzadas | 9:2db641efba7e | 3870 | _spi->write(_controlbyte); |
fcalzadas | 9:2db641efba7e | 3871 | |
fcalzadas | 9:2db641efba7e | 3872 | //Map and send the LSB nibble |
fcalzadas | 9:2db641efba7e | 3873 | _spi->write( map3_24[value & 0x0F]); |
fcalzadas | 9:2db641efba7e | 3874 | |
fcalzadas | 9:2db641efba7e | 3875 | //Map and send the MSB nibble |
fcalzadas | 9:2db641efba7e | 3876 | _spi->write( map3_24[(value >> 4) & 0x0F]); |
fcalzadas | 9:2db641efba7e | 3877 | |
fcalzadas | 9:2db641efba7e | 3878 | wait_us(1); |
fcalzadas | 9:2db641efba7e | 3879 | _cs = 1; |
fcalzadas | 9:2db641efba7e | 3880 | } |
fcalzadas | 9:2db641efba7e | 3881 | #endif /* Native SPI bus */ |
fcalzadas | 9:2db641efba7e | 3882 | //------- End TextLCD_SPI_N_3_24 ---------- |