Joachim Andersen / TextLCD

1

Dependents:   Program_R11

TextLCD.h@38:cbe275b0b647, 2015-04-18 (annotated)

Committer:
wim
Date:
Sat Apr 18 11:33:02 2015 +0000
Revision:
38:cbe275b0b647
Parent:
37:ce348c002929
Child:
39:e9c2319de9c5
Fixed Adafruit I2C/SPI portexpander pinmappings, fixed SYDZ Backlight control

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wim 37:ce348c002929 1 /* mbed TextLCD Library, for LCDs based on HD44780 controllers
simon 6:e4cb7ddee0d3 2 * Copyright (c) 2007-2010, sford, http://mbed.org
wim 13:24506ba22480 3 * 2013, v01: WH, Added LCD types, fixed LCD address issues, added Cursor and UDCs
wim 15:b70ebfffb258 4 * 2013, v02: WH, Added I2C and SPI bus interfaces
wim 15:b70ebfffb258 5 * 2013, v03: WH, Added support for LCD40x4 which uses 2 controllers
wim 17:652ab113bc2e 6 * 2013, v04: WH, Added support for Display On/Off, improved 4bit bootprocess
wim 18:bd65dc10f27f 7 * 2013, v05: WH, Added support for 8x2B, added some UDCs
wim 19:c747b9e2e7b8 8 * 2013, v06: WH, Added support for devices that use internal DC/DC converters
wim 20:e0da005a777f 9 * 2013, v07: WH, Added support for backlight and include portdefinitions for LCD2004 Module from DFROBOT
wim 21:9eb628d9e164 10 * 2014, v08: WH, Refactored in Base and Derived Classes to deal with mbed lib change regarding 'NC' defined DigitalOut pins
wim 25:6162b31128c9 11 * 2014, v09: WH/EO, Added Class for Native SPI controllers such as ST7032
wim 26:bd897a001012 12 * 2014, v10: WH, Added Class for Native I2C controllers such as ST7032i, Added support for MCP23008 I2C portexpander, Added support for Adafruit module
wim 30:033048611c01 13 * 2014, v11: WH, Added support for native I2C controllers such as PCF21XX, Improved the _initCtrl() method to deal with differences between all supported controllers
wim 32:59c4b8f648d4 14 * 2014, v12: WH, Added support for native I2C controller PCF2119 and native I2C/SPI controllers SSD1803, ST7036, added setContrast method (by JH1PJL) for supported devices (eg ST7032i)
wim 34:e5a0dcb43ecc 15 * 2014, v13: WH, Added support for controllers US2066/SSD1311 (OLED), added setUDCBlink() method for supported devices (eg SSD1803), fixed issue in setPower()
wim 34:e5a0dcb43ecc 16 * 2014, v14: WH, Added support for PT6314 (VFD), added setOrient() method for supported devices (eg SSD1803, US2066), added Double Height lines for supported devices,
wim 34:e5a0dcb43ecc 17 * added 16 UDCs for supported devices (eg PCF2103), moved UDC defines to TextLCD_UDC file, added TextLCD_Config.h for feature and footprint settings.
wim 35:311be6444a39 18 * 2014, v15: WH, Added AC780 support, added I2C expander modules, fixed setBacklight() for inverted logic modules. Fixed bug in LCD_SPI_N define
wim 36:9f5f86dfd44a 19 * 2014, v16: WH, Added ST7070 and KS0073 support, added setIcon(), clrIcon() and setInvert() method for supported devices
wim 37:ce348c002929 20 * 2015, v17: WH, Clean up low-level _writeCommand() and _writeData(), Added support for alternative fonttables (eg PCF21XX), Added ST7066_ACM controller for ACM1602 module
wim 38:cbe275b0b647 21 * 2015, v18: WH, Performance improvement I2C portexpander
simon 1:ac48b187213c 22 *
simon 1:ac48b187213c 23 * Permission is hereby granted, free of charge, to any person obtaining a copy
simon 1:ac48b187213c 24 * of this software and associated documentation files (the "Software"), to deal
simon 1:ac48b187213c 25 * in the Software without restriction, including without limitation the rights
simon 1:ac48b187213c 26 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
simon 1:ac48b187213c 27 * copies of the Software, and to permit persons to whom the Software is
simon 1:ac48b187213c 28 * furnished to do so, subject to the following conditions:
simon 2:227356c7d12c 29 *
simon 1:ac48b187213c 30 * The above copyright notice and this permission notice shall be included in
simon 1:ac48b187213c 31 * all copies or substantial portions of the Software.
simon 2:227356c7d12c 32 *
simon 1:ac48b187213c 33 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
simon 1:ac48b187213c 34 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
simon 1:ac48b187213c 35 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
simon 1:ac48b187213c 36 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
simon 1:ac48b187213c 37 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
simon 1:ac48b187213c 38 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
simon 1:ac48b187213c 39 * THE SOFTWARE.
simon 1:ac48b187213c 40 */
simon 1:ac48b187213c 41
simon 1:ac48b187213c 42 #ifndef MBED_TEXTLCD_H
simon 1:ac48b187213c 43 #define MBED_TEXTLCD_H
simon 1:ac48b187213c 44
simon 1:ac48b187213c 45 #include "mbed.h"
wim 34:e5a0dcb43ecc 46 #include "TextLCD_Config.h"
wim 34:e5a0dcb43ecc 47 #include "TextLCD_UDC.h"
simon 2:227356c7d12c 48
simon 5:a53b3e2d6f1e 49 /** A TextLCD interface for driving 4-bit HD44780-based LCDs
simon 2:227356c7d12c 50 *
wim 34:e5a0dcb43ecc 51 * Currently supports 8x1, 8x2, 12x3, 12x4, 16x1, 16x2, 16x3, 16x4, 20x2, 20x4, 24x1, 24x2, 24x4, 40x2 and 40x4 panels.
wim 27:22d5086f6ba6 52 * Interface options include direct mbed pins, I2C portexpander (PCF8474/PCF8574A or MCP23008) or SPI bus shiftregister (74595).
wim 34:e5a0dcb43ecc 53 * Supports some controllers with native I2C or SPI interface. Supports some controllers that provide internal DC/DC converters for VLCD or VLED.
wim 34:e5a0dcb43ecc 54 * Supports some controllers that feature programmable contrast control, powerdown, blinking UDCs and/or top/down orientation modes.
simon 2:227356c7d12c 55 *
simon 2:227356c7d12c 56 * @code
simon 2:227356c7d12c 57 * #include "mbed.h"
simon 2:227356c7d12c 58 * #include "TextLCD.h"
simon 5:a53b3e2d6f1e 59 *
wim 16:c276b75e6585 60 * // I2C Communication
wim 16:c276b75e6585 61 * I2C i2c_lcd(p28,p27); // SDA, SCL
wim 16:c276b75e6585 62 *
wim 16:c276b75e6585 63 * // SPI Communication
wim 16:c276b75e6585 64 * SPI spi_lcd(p5, NC, p7); // MOSI, MISO, SCLK
wim 16:c276b75e6585 65 *
wim 22:35742ec80c24 66 * //TextLCD lcd(p15, p16, p17, p18, p19, p20); // RS, E, D4-D7, LCDType=LCD16x2, BL=NC, E2=NC, LCDTCtrl=HD44780
wim 28:30fa94f7341c 67 * //TextLCD_SPI lcd(&spi_lcd, p8, TextLCD::LCD40x4); // SPI bus, 74595 expander, CS pin, LCD Type
wim 34:e5a0dcb43ecc 68 * TextLCD_I2C lcd(&i2c_lcd, 0x42, TextLCD::LCD20x4); // I2C bus, PCF8574 Slaveaddress, LCD Type
wim 34:e5a0dcb43ecc 69 * //TextLCD_I2C lcd(&i2c_lcd, 0x42, TextLCD::LCD16x2, TextLCD::WS0010); // I2C bus, PCF8574 Slaveaddress, LCD Type, Device Type (OLED)
wim 27:22d5086f6ba6 70 * //TextLCD_SPI_N lcd(&spi_lcd, p8, p9); // SPI bus, CS pin, RS pin, LCDType=LCD16x2, BL=NC, LCDTCtrl=ST7032_3V3
wim 34:e5a0dcb43ecc 71 * //TextLCD_I2C_N lcd(&i2c_lcd, ST7032_SA, TextLCD::LCD16x2, NC, TextLCD::ST7032_3V3); // I2C bus, Slaveaddress, LCD Type, BL=NC, LCDTCtrl=ST7032_3V3
wim 34:e5a0dcb43ecc 72 * //TextLCD_SPI_N_3_24 lcd(&spi_lcd, p8, TextLCD::LCD20x4D, NC, TextLCD::SSD1803_3V3); // SPI bus, CS pin, LCDType=LCD20x4D, BL=NC, LCDTCtrl=SSD1803
wim 34:e5a0dcb43ecc 73 * //TextLCD_SPI_N_3_24 lcd(&spi_lcd, p8, TextLCD::LCD20x2, NC, TextLCD::US2066_3V3); // SPI bus, CS pin, LCDType=LCD20x2, BL=NC, LCDTCtrl=US2066 (OLED)
wim 34:e5a0dcb43ecc 74 *
simon 2:227356c7d12c 75 * int main() {
wim 16:c276b75e6585 76 * lcd.printf("Hello World!\n");
simon 2:227356c7d12c 77 * }
simon 2:227356c7d12c 78 * @endcode
simon 2:227356c7d12c 79 */
wim 8:03116f75b66e 80
wim 34:e5a0dcb43ecc 81 //The TextLCD_Config.h file selects hardware interface options to reduce memory footprint
wim 34:e5a0dcb43ecc 82 //and provides Pin Defines for I2C PCF8574/PCF8574A or MCP23008 and SPI 74595 bus expander interfaces.
wim 34:e5a0dcb43ecc 83 //The LCD and serial portexpanders should be wired accordingly.
wim 32:59c4b8f648d4 84
wim 30:033048611c01 85 /* LCD Type information on Rows, Columns and Variant. This information is encoded in
wim 30:033048611c01 86 * an int and used for the LCDType enumerators in order to simplify code maintenance */
wim 30:033048611c01 87 // Columns encoded in b7..b0
wim 30:033048611c01 88 #define LCD_T_COL_MSK 0x000000FF
wim 32:59c4b8f648d4 89 #define LCD_T_C6 0x00000006
wim 30:033048611c01 90 #define LCD_T_C8 0x00000008
wim 30:033048611c01 91 #define LCD_T_C10 0x0000000A
wim 30:033048611c01 92 #define LCD_T_C12 0x0000000C
wim 30:033048611c01 93 #define LCD_T_C16 0x00000010
wim 30:033048611c01 94 #define LCD_T_C20 0x00000014
wim 30:033048611c01 95 #define LCD_T_C24 0x00000018
wim 30:033048611c01 96 #define LCD_T_C32 0x00000020
wim 30:033048611c01 97 #define LCD_T_C40 0x00000028
wim 30:033048611c01 98
wim 30:033048611c01 99 // Rows encoded in b15..b8
wim 30:033048611c01 100 #define LCD_T_ROW_MSK 0x0000FF00
wim 30:033048611c01 101 #define LCD_T_R1 0x00000100
wim 30:033048611c01 102 #define LCD_T_R2 0x00000200
wim 30:033048611c01 103 #define LCD_T_R3 0x00000300
wim 30:033048611c01 104 #define LCD_T_R4 0x00000400
wim 30:033048611c01 105
wim 30:033048611c01 106 // Addressing mode encoded in b19..b16
wim 30:033048611c01 107 #define LCD_T_ADR_MSK 0x000F0000
wim 32:59c4b8f648d4 108 #define LCD_T_A 0x00000000 /*Mode A Default 1, 2 or 4 line display */
wim 32:59c4b8f648d4 109 #define LCD_T_B 0x00010000 /*Mode B, Alternate 8x2 (actually 16x1 display) */
wim 32:59c4b8f648d4 110 #define LCD_T_C 0x00020000 /*Mode C, Alternate 16x1 (actually 8x2 display) */
wim 32:59c4b8f648d4 111 #define LCD_T_D 0x00030000 /*Mode D, Alternate 3 or 4 line display (12x4, 20x4, 24x4) */
wim 32:59c4b8f648d4 112 #define LCD_T_D1 0x00040000 /*Mode D1, Alternate 3 out of 4 line display (12x3, 20x3, 24x3) */
wim 32:59c4b8f648d4 113 #define LCD_T_E 0x00050000 /*Mode E, 40x4 display (actually two 40x2) */
wim 32:59c4b8f648d4 114 #define LCD_T_F 0x00060000 /*Mode F, 16x3 display (actually 24x2) */
wim 32:59c4b8f648d4 115 #define LCD_T_G 0x00070000 /*Mode G, 16x3 display */
wim 30:033048611c01 116
wim 30:033048611c01 117 /* LCD Ctrl information on interface support and features. This information is encoded in
wim 30:033048611c01 118 * an int and used for the LCDCtrl enumerators in order to simplify code maintenance */
wim 30:033048611c01 119 // Interface encoded in b31..b24
wim 30:033048611c01 120 #define LCD_C_BUS_MSK 0xFF000000
wim 32:59c4b8f648d4 121 #define LCD_C_PAR 0x01000000 /*Parallel 4 or 8 bit data, E pin, RS pin, RW=GND */
wim 36:9f5f86dfd44a 122 #define LCD_C_SPI3_8 0x02000000 /*SPI 3 line (MOSI, SCL, CS pins), 8 bits (Count Command initiates Data transfer) */
wim 36:9f5f86dfd44a 123 #define LCD_C_SPI3_9 0x04000000 /*SPI 3 line (MOSI, SCL, CS pins), 9 bits (RS + 8 Data) */
wim 36:9f5f86dfd44a 124 #define LCD_C_SPI3_10 0x08000000 /*SPI 3 line (MOSI, SCL, CS pins), 10 bits (RS, RW + 8 Data) */
wim 36:9f5f86dfd44a 125 #define LCD_C_SPI3_16 0x10000000 /*SPI 3 line (MOSI, SCL, CS pins), 16 bits (RS, RW + 8 Data) */
wim 36:9f5f86dfd44a 126 #define LCD_C_SPI3_24 0x20000000 /*SPI 3 line (MOSI, SCL, CS pins), 24 bits (RS, RW + 8 Data) */
wim 36:9f5f86dfd44a 127 #define LCD_C_SPI4 0x40000000 /*SPI 4 line (MOSI, SCL, CS, RS pin), RS pin + 8 Data */
wim 36:9f5f86dfd44a 128 #define LCD_C_I2C 0x80000000 /*I2C (SDA, SCL pin), 8 control bits (Co, RS, RW) + 8 Data */
wim 30:033048611c01 129 // Features encoded in b23..b16
wim 30:033048611c01 130 #define LCD_C_FTR_MSK 0x00FF0000
wim 30:033048611c01 131 #define LCD_C_BST 0x00010000 /*Booster */
wim 32:59c4b8f648d4 132 #define LCD_C_CTR 0x00020000 /*Contrast Control */
wim 32:59c4b8f648d4 133 #define LCD_C_ICN 0x00040000 /*Icons */
wim 32:59c4b8f648d4 134 #define LCD_C_PDN 0x00080000 /*Power Down */
wim 37:ce348c002929 135 // Fonttable encoded in b15..b12
wim 37:ce348c002929 136 #define LCD_C_FNT_MSK 0x0000F000
wim 37:ce348c002929 137 #define LCD_C_FT0 0x00000000 /*Default */
wim 37:ce348c002929 138 #define LCD_C_FT1 0x00001000 /*Font1 */
wim 37:ce348c002929 139 #define LCD_C_FT2 0x00002000 /*Font2 */
wim 32:59c4b8f648d4 140
wim 11:9ec02df863a1 141 /** A TextLCD interface for driving 4-bit HD44780-based LCDs
wim 11:9ec02df863a1 142 *
wim 33:900a94bc7585 143 * @brief Currently supports 8x1, 8x2, 12x2, 12x3, 12x4, 16x1, 16x2, 16x3, 16x4, 20x2, 20x4, 24x2, 24x4, 40x2 and 40x4 panels
wim 37:ce348c002929 144 * Interface options include direct mbed pins, I2C portexpander (PCF8474/PCF8574A or MCP23008) or
wim 37:ce348c002929 145 * SPI bus shiftregister (74595) or native I2C or SPI interfaces for some supported devices.
wim 11:9ec02df863a1 146 */
wim 21:9eb628d9e164 147 class TextLCD_Base : public Stream {
wim 37:ce348c002929 148 //class TextLCD_Base {
wim 35:311be6444a39 149
wim 37:ce348c002929 150 //Unfortunately the following #define selection breaks Doxygen !!!
wim 37:ce348c002929 151 //Add it manually when you want to disable the Stream inheritance
wim 35:311be6444a39 152 //#if (LCD_PRINTF == 1)
wim 35:311be6444a39 153 //class TextLCD_Base : public Stream {
wim 35:311be6444a39 154 //#else
wim 37:ce348c002929 155 //class TextLCD_Base {
wim 35:311be6444a39 156 //#endif
wim 35:311be6444a39 157
simon 1:ac48b187213c 158 public:
simon 1:ac48b187213c 159
simon 2:227356c7d12c 160 /** LCD panel format */
wim 33:900a94bc7585 161 // The commented out types exist but have not yet been tested with the library
simon 1:ac48b187213c 162 enum LCDType {
wim 32:59c4b8f648d4 163 // LCD6x1 = (LCD_T_A | LCD_T_C6 | LCD_T_R1), /**< 6x1 LCD panel */
wim 32:59c4b8f648d4 164 // LCD6x2 = (LCD_T_A | LCD_T_C6 | LCD_T_R2), /**< 6x2 LCD panel */
wim 30:033048611c01 165 LCD8x1 = (LCD_T_A | LCD_T_C8 | LCD_T_R1), /**< 8x1 LCD panel */
wim 30:033048611c01 166 LCD8x2 = (LCD_T_A | LCD_T_C8 | LCD_T_R2), /**< 8x2 LCD panel */
wim 30:033048611c01 167 LCD8x2B = (LCD_T_D | LCD_T_C8 | LCD_T_R2), /**< 8x2 LCD panel (actually 16x1) */
wim 34:e5a0dcb43ecc 168 LCD12x1 = (LCD_T_A | LCD_T_C12 | LCD_T_R1), /**< 12x1 LCD panel */
wim 30:033048611c01 169 LCD12x2 = (LCD_T_A | LCD_T_C12 | LCD_T_R2), /**< 12x2 LCD panel */
wim 36:9f5f86dfd44a 170 LCD12x3D = (LCD_T_D | LCD_T_C12 | LCD_T_R3), /**< 12x3 LCD panel, special mode PCF21XX, KS0073 */
wim 36:9f5f86dfd44a 171 LCD12x3D1 = (LCD_T_D1 | LCD_T_C12 | LCD_T_R3), /**< 12x3 LCD panel, special mode PCF21XX, KS0073 */
wim 32:59c4b8f648d4 172 // LCD12x3G = (LCD_T_G | LCD_T_C12 | LCD_T_R3), /**< 12x3 LCD panel, special mode ST7036 */
wim 30:033048611c01 173 LCD12x4 = (LCD_T_A | LCD_T_C12 | LCD_T_R4), /**< 12x4 LCD panel */
wim 36:9f5f86dfd44a 174 LCD12x4D = (LCD_T_B | LCD_T_C12 | LCD_T_R4), /**< 12x4 LCD panel, special mode PCF21XX, KS0073 */
wim 30:033048611c01 175 LCD16x1 = (LCD_T_A | LCD_T_C16 | LCD_T_R1), /**< 16x1 LCD panel */
wim 30:033048611c01 176 LCD16x1C = (LCD_T_C | LCD_T_C16 | LCD_T_R1), /**< 16x1 LCD panel (actually 8x2) */
wim 30:033048611c01 177 LCD16x2 = (LCD_T_A | LCD_T_C16 | LCD_T_R2), /**< 16x2 LCD panel (default) */
wim 30:033048611c01 178 // LCD16x2B = (LCD_T_B | LCD_T_C16 | LCD_T_R2), /**< 16x2 LCD panel, alternate addressing, wrong.. */
wim 32:59c4b8f648d4 179 LCD16x3D = (LCD_T_D | LCD_T_C16 | LCD_T_R3), /**< 16x3 LCD panel, special mode SSD1803 */
wim 32:59c4b8f648d4 180 // LCD16x3D1 = (LCD_T_D1 | LCD_T_C16 | LCD_T_R3), /**< 16x3 LCD panel, special mode SSD1803 */
wim 32:59c4b8f648d4 181 LCD16x3F = (LCD_T_F | LCD_T_C16 | LCD_T_R3), /**< 16x3 LCD panel (actually 24x2) */
wim 32:59c4b8f648d4 182 LCD16x3G = (LCD_T_G | LCD_T_C16 | LCD_T_R3), /**< 16x3 LCD panel, special mode ST7036 */
wim 30:033048611c01 183 LCD16x4 = (LCD_T_A | LCD_T_C16 | LCD_T_R4), /**< 16x4 LCD panel */
wim 32:59c4b8f648d4 184 // LCD16x4D = (LCD_T_D | LCD_T_C16 | LCD_T_R4), /**< 16x4 LCD panel, special mode SSD1803 */
wim 34:e5a0dcb43ecc 185 LCD20x1 = (LCD_T_A | LCD_T_C20 | LCD_T_R1), /**< 20x1 LCD panel */
wim 30:033048611c01 186 LCD20x2 = (LCD_T_A | LCD_T_C20 | LCD_T_R2), /**< 20x2 LCD panel */
wim 32:59c4b8f648d4 187 // LCD20x3 = (LCD_T_A | LCD_T_C20 | LCD_T_R3), /**< 20x3 LCD panel */
wim 32:59c4b8f648d4 188 // LCD20x3D = (LCD_T_D | LCD_T_C20 | LCD_T_R3), /**< 20x3 LCD panel, special mode SSD1803 */
wim 32:59c4b8f648d4 189 // LCD20x3D1 = (LCD_T_D1 | LCD_T_C20 | LCD_T_R3), /**< 20x3 LCD panel, special mode SSD1803 */
wim 30:033048611c01 190 LCD20x4 = (LCD_T_A | LCD_T_C20 | LCD_T_R4), /**< 20x4 LCD panel */
wim 32:59c4b8f648d4 191 LCD20x4D = (LCD_T_D | LCD_T_C20 | LCD_T_R4), /**< 20x4 LCD panel, special mode SSD1803 */
wim 30:033048611c01 192 LCD24x1 = (LCD_T_A | LCD_T_C24 | LCD_T_R1), /**< 24x1 LCD panel */
wim 30:033048611c01 193 LCD24x2 = (LCD_T_A | LCD_T_C24 | LCD_T_R2), /**< 24x2 LCD panel */
wim 32:59c4b8f648d4 194 // LCD24x3D = (LCD_T_D | LCD_T_C24 | LCD_T_R3), /**< 24x3 LCD panel */
wim 32:59c4b8f648d4 195 // LCD24x3D1 = (LCD_T_D | LCD_T_C24 | LCD_T_R3), /**< 24x3 LCD panel */
wim 30:033048611c01 196 LCD24x4D = (LCD_T_D | LCD_T_C24 | LCD_T_R4), /**< 24x4 LCD panel, special mode KS0078 */
wim 33:900a94bc7585 197 // LCD32x1 = (LCD_T_A | LCD_T_C32 | LCD_T_R1), /**< 32x1 LCD panel */
wim 33:900a94bc7585 198 // LCD32x1C = (LCD_T_C | LCD_T_C32 | LCD_T_R1), /**< 32x1 LCD panel (actually 16x2) */
wim 32:59c4b8f648d4 199 // LCD32x2 = (LCD_T_A | LCD_T_C32 | LCD_T_R2), /**< 32x2 LCD panel */
wim 32:59c4b8f648d4 200 // LCD32x4 = (LCD_T_A | LCD_T_C32 | LCD_T_R4), /**< 32x4 LCD panel */
wim 30:033048611c01 201 // LCD40x1 = (LCD_T_A | LCD_T_C40 | LCD_T_R1), /**< 40x1 LCD panel */
wim 33:900a94bc7585 202 // LCD40x1C = (LCD_T_C | LCD_T_C40 | LCD_T_R1), /**< 40x1 LCD panel (actually 20x2) */
wim 30:033048611c01 203 LCD40x2 = (LCD_T_A | LCD_T_C40 | LCD_T_R2), /**< 40x2 LCD panel */
wim 30:033048611c01 204 LCD40x4 = (LCD_T_E | LCD_T_C40 | LCD_T_R4) /**< 40x4 LCD panel, Two controller version */
wim 30:033048611c01 205 };
wim 30:033048611c01 206
wim 30:033048611c01 207
wim 30:033048611c01 208 /** LCD Controller Device */
wim 30:033048611c01 209 enum LCDCtrl {
wim 37:ce348c002929 210 HD44780 = 0 | LCD_C_PAR, /**< HD44780 or full equivalent (default) */
wim 37:ce348c002929 211 AC780 = 1 | (LCD_C_PAR | LCD_C_SPI4 | LCD_C_I2C | LCD_C_PDN), /**< AC780/KS0066i 4/8 bit, SPI, I2C */
wim 37:ce348c002929 212 AIP31068 = 2 | (LCD_C_SPI3_9 | LCD_C_I2C | LCD_C_BST), /**< AIP31068 I2C, SPI3 */
wim 37:ce348c002929 213 KS0073 = 3 | (LCD_C_PAR | LCD_C_SPI3_24 | LCD_C_PDN), /**< KS0073 4/8 bit, SPI3 */
wim 37:ce348c002929 214 KS0078 = 4 | (LCD_C_PAR | LCD_C_SPI3_24 | LCD_C_PDN), /**< KS0078 24x4 support, 4/8 bit, SPI3 */
wim 37:ce348c002929 215 PCF2103_3V3 = 5 | (LCD_C_PAR | LCD_C_I2C), /**< PCF2103 3V3 no Booster, 4/8 bit, I2C */
wim 37:ce348c002929 216 PCF2113_3V3 = 6 | (LCD_C_PAR | LCD_C_I2C | LCD_C_BST | LCD_C_CTR), /**< PCF2113 3V3 with Booster, 4/8 bit, I2C */
wim 37:ce348c002929 217 PCF2116_3V3 = 7 | (LCD_C_PAR | LCD_C_I2C | LCD_C_BST), /**< PCF2116 3V3 with Booster, 4/8 bit, I2C */
wim 37:ce348c002929 218 PCF2116_5V = 8 | (LCD_C_PAR | LCD_C_I2C), /**< PCF2116 5V no Booster, 4/8 bit, I2C */
wim 37:ce348c002929 219 PCF2116C_5V = 9 | (LCD_C_PAR | LCD_C_I2C | LCD_C_BST) | LCD_C_FT1, /**< PCF2116C 3V3 with Booster, 4/8 bit, I2C */
wim 37:ce348c002929 220 PCF2119_3V3 = 10 | (LCD_C_PAR | LCD_C_I2C | LCD_C_BST | LCD_C_CTR), /**< PCF2119 3V3 with Booster, 4/8 bit, I2C */
wim 37:ce348c002929 221 // PCF2119C_3V3 = 11 | (LCD_C_PAR | LCD_C_I2C | LCD_C_BST | LCD_C_CTR), LCD_C_FT1, /**< PCF2119K 3V3 with Booster, 4/8 bit, I2C */
wim 37:ce348c002929 222 // PCF2119_5V = 12 | (LCD_C_PAR | LCD_C_I2C), /**< PCF2119 5V no Booster, 4/8 bit, I2C */
wim 37:ce348c002929 223 PT6314 = 13 | (LCD_C_PAR | LCD_C_SPI3_16 | LCD_C_CTR), /**< PT6314 VFD, 4/8 bit, SPI3 */
wim 37:ce348c002929 224 SSD1803_3V3 = 14 | (LCD_C_PAR | LCD_C_SPI3_24 | LCD_C_I2C | LCD_C_BST | LCD_C_CTR | LCD_C_PDN), /**< SSD1803 3V3 with Booster, 4/8 bit, I2C, SPI3 */
wim 37:ce348c002929 225 // SSD1803_5V = 15 | (LCD_C_PAR | LCD_C_SPI3_24 | LCD_C_I2C | LCD_C_BST | LCD_C_CTR | LCD_C_PDN), /**< SSD1803 3V3 with Booster, 4/8 bit, I2C, SPI3 */
wim 37:ce348c002929 226 ST7032_3V3 = 16 | (LCD_C_PAR | LCD_C_SPI4 | LCD_C_I2C | LCD_C_BST | LCD_C_CTR), /**< ST7032 3V3 with Booster, 4/8 bit, SPI4, I2C */
wim 37:ce348c002929 227 ST7032_5V = 17 | (LCD_C_PAR | LCD_C_SPI4 | LCD_C_I2C | LCD_C_CTR), /**< ST7032 5V no Booster, 4/8 bit, SPI4, I2C */
wim 37:ce348c002929 228 ST7036_3V3 = 18 | (LCD_C_PAR | LCD_C_SPI4 | LCD_C_I2C | LCD_C_BST | LCD_C_CTR), /**< ST7036 3V3 with Booster, 4/8 bit, SPI4, I2C */
wim 37:ce348c002929 229 ST7036_5V = 19 | (LCD_C_PAR | LCD_C_SPI4 | LCD_C_I2C | LCD_C_BST | LCD_C_CTR), /**< ST7036 5V no Booster, 4/8 bit, SPI4, I2C */
wim 37:ce348c002929 230 ST7066_ACM = 20 | (LCD_C_PAR | LCD_C_I2C), /**< ST7066 4/8 bit, I2C on ACM1602 using a PIC */
wim 37:ce348c002929 231 ST7070 = 21 | (LCD_C_PAR | LCD_C_SPI3_8 | LCD_C_SPI4), /**< ST7070 4/8 bit, SPI3 */
wim 37:ce348c002929 232 US2066_3V3 = 22 | (LCD_C_PAR | LCD_C_SPI3_24 | LCD_C_I2C | LCD_C_CTR | LCD_C_PDN), /**< US2066/SSD1311 3V3, 4/8 bit, I2C, SPI3 */
wim 37:ce348c002929 233 WS0010 = 23 | (LCD_C_PAR | LCD_C_SPI3_10 | LCD_C_PDN) /**< WS0010/RS0010 OLED Controller, 4/8 bit, SPI3 */
wim 37:ce348c002929 234 // WS0012 = 24 | (LCD_C_PAR | LCD_C_SPI3_10 | LCD_C_I2C | LCD_C_PDN), /**< WS0012 4/8 bit, SPI, I2C */
wim 37:ce348c002929 235
wim 30:033048611c01 236 };
wim 30:033048611c01 237
wim 30:033048611c01 238
wim 10:dd9b3a696acd 239 /** LCD Cursor control */
wim 10:dd9b3a696acd 240 enum LCDCursor {
wim 17:652ab113bc2e 241 CurOff_BlkOff = 0x00, /**< Cursor Off, Blinking Char Off */
wim 17:652ab113bc2e 242 CurOn_BlkOff = 0x02, /**< Cursor On, Blinking Char Off */
wim 17:652ab113bc2e 243 CurOff_BlkOn = 0x01, /**< Cursor Off, Blinking Char On */
wim 17:652ab113bc2e 244 CurOn_BlkOn = 0x03 /**< Cursor On, Blinking Char On */
wim 17:652ab113bc2e 245 };
wim 17:652ab113bc2e 246
wim 17:652ab113bc2e 247 /** LCD Display control */
wim 17:652ab113bc2e 248 enum LCDMode {
wim 17:652ab113bc2e 249 DispOff = 0x00, /**< Display Off */
wim 17:652ab113bc2e 250 DispOn = 0x04 /**< Display On */
wim 10:dd9b3a696acd 251 };
wim 10:dd9b3a696acd 252
wim 20:e0da005a777f 253 /** LCD Backlight control */
wim 20:e0da005a777f 254 enum LCDBacklight {
wim 20:e0da005a777f 255 LightOff, /**< Backlight Off */
wim 20:e0da005a777f 256 LightOn /**< Backlight On */
wim 20:e0da005a777f 257 };
wim 10:dd9b3a696acd 258
wim 33:900a94bc7585 259 /** LCD Blink control (UDC), supported for some Controllers */
wim 33:900a94bc7585 260 enum LCDBlink {
wim 33:900a94bc7585 261 BlinkOff, /**< Blink Off */
wim 33:900a94bc7585 262 BlinkOn /**< Blink On */
wim 33:900a94bc7585 263 };
wim 33:900a94bc7585 264
wim 33:900a94bc7585 265 /** LCD Orientation control, supported for some Controllers */
wim 33:900a94bc7585 266 enum LCDOrient {
wim 33:900a94bc7585 267 Top, /**< Top view */
wim 33:900a94bc7585 268 Bottom /**< Upside down view */
wim 33:900a94bc7585 269 };
wim 33:900a94bc7585 270
wim 34:e5a0dcb43ecc 271 /** LCD BigFont control, supported for some Controllers */
wim 34:e5a0dcb43ecc 272 enum LCDBigFont {
wim 34:e5a0dcb43ecc 273 None, /**< no lines */
wim 34:e5a0dcb43ecc 274 TopLine, /**< 1+2 line */
wim 34:e5a0dcb43ecc 275 CenterLine, /**< 2+3 line */
wim 34:e5a0dcb43ecc 276 BottomLine, /**< 2+3 line or 3+4 line */
wim 34:e5a0dcb43ecc 277 TopBottomLine /**< 1+2 line and 3+4 line */
wim 34:e5a0dcb43ecc 278 };
wim 33:900a94bc7585 279
wim 34:e5a0dcb43ecc 280
wim 37:ce348c002929 281 /** Convert ASCII character code to the LCD fonttable code
wim 37:ce348c002929 282 *
wim 37:ce348c002929 283 * @param c The character to write to the display
wim 37:ce348c002929 284 * @return The character code for the specific fonttable of the controller
wim 37:ce348c002929 285 */
wim 37:ce348c002929 286 int ASCII_2_LCD (int c);
wim 37:ce348c002929 287
wim 37:ce348c002929 288
wim 34:e5a0dcb43ecc 289 #if(LCD_PRINTF != 1)
wim 34:e5a0dcb43ecc 290 /** Write a character to the LCD
wim 34:e5a0dcb43ecc 291 *
wim 34:e5a0dcb43ecc 292 * @param c The character to write to the display
wim 34:e5a0dcb43ecc 293 */
wim 34:e5a0dcb43ecc 294 int putc(int c);
wim 34:e5a0dcb43ecc 295
wim 34:e5a0dcb43ecc 296 /** Write a raw string to the LCD
wim 34:e5a0dcb43ecc 297 *
wim 34:e5a0dcb43ecc 298 * @param string text, may be followed by variables to emulate formatting the string.
wim 34:e5a0dcb43ecc 299 * However, printf formatting is NOT supported and variables will be ignored!
wim 34:e5a0dcb43ecc 300 */
wim 34:e5a0dcb43ecc 301 int printf(const char* text, ...);
wim 34:e5a0dcb43ecc 302 #else
simon 2:227356c7d12c 303 #if DOXYGEN_ONLY
simon 2:227356c7d12c 304 /** Write a character to the LCD
simon 2:227356c7d12c 305 *
simon 2:227356c7d12c 306 * @param c The character to write to the display
simon 2:227356c7d12c 307 */
simon 2:227356c7d12c 308 int putc(int c);
simon 2:227356c7d12c 309
wim 34:e5a0dcb43ecc 310 /** Write a formatted string to the LCD
simon 2:227356c7d12c 311 *
simon 2:227356c7d12c 312 * @param format A printf-style format string, followed by the
wim 34:e5a0dcb43ecc 313 * variables to use in formatting the string.
simon 2:227356c7d12c 314 */
wim 34:e5a0dcb43ecc 315 int printf(const char* format, ...);
simon 2:227356c7d12c 316 #endif
wim 34:e5a0dcb43ecc 317
wim 34:e5a0dcb43ecc 318 #endif
simon 2:227356c7d12c 319
wim 29:a3663151aa65 320 /** Locate cursor to a screen column and row
simon 2:227356c7d12c 321 *
simon 2:227356c7d12c 322 * @param column The horizontal position from the left, indexed from 0
simon 2:227356c7d12c 323 * @param row The vertical position from the top, indexed from 0
simon 2:227356c7d12c 324 */
simon 1:ac48b187213c 325 void locate(int column, int row);
simon 2:227356c7d12c 326
wim 10:dd9b3a696acd 327 /** Return the memoryaddress of screen column and row location
wim 10:dd9b3a696acd 328 *
wim 10:dd9b3a696acd 329 * @param column The horizontal position from the left, indexed from 0
wim 10:dd9b3a696acd 330 * @param row The vertical position from the top, indexed from 0
wim 36:9f5f86dfd44a 331 * @return The memoryaddress of screen column and row location
wim 10:dd9b3a696acd 332 */
wim 30:033048611c01 333 int getAddress(int column, int row);
wim 10:dd9b3a696acd 334
wim 10:dd9b3a696acd 335 /** Set the memoryaddress of screen column and row location
wim 10:dd9b3a696acd 336 *
wim 10:dd9b3a696acd 337 * @param column The horizontal position from the left, indexed from 0
wim 10:dd9b3a696acd 338 * @param row The vertical position from the top, indexed from 0
wim 10:dd9b3a696acd 339 */
wim 9:0893d986e717 340 void setAddress(int column, int row);
wim 9:0893d986e717 341
wim 22:35742ec80c24 342 /** Clear the screen and locate to 0,0
wim 22:35742ec80c24 343 */
simon 1:ac48b187213c 344 void cls();
simon 2:227356c7d12c 345
wim 10:dd9b3a696acd 346 /** Return the number of rows
wim 10:dd9b3a696acd 347 *
wim 36:9f5f86dfd44a 348 * @return The number of rows
wim 10:dd9b3a696acd 349 */
simon 1:ac48b187213c 350 int rows();
wim 10:dd9b3a696acd 351
wim 10:dd9b3a696acd 352 /** Return the number of columns
wim 10:dd9b3a696acd 353 *
wim 36:9f5f86dfd44a 354 * @return The number of columns
wim 10:dd9b3a696acd 355 */
wim 10:dd9b3a696acd 356 int columns();
simon 2:227356c7d12c 357
wim 11:9ec02df863a1 358 /** Set the Cursormode
wim 11:9ec02df863a1 359 *
wim 17:652ab113bc2e 360 * @param cursorMode The Cursor mode (CurOff_BlkOff, CurOn_BlkOff, CurOff_BlkOn, CurOn_BlkOn)
wim 11:9ec02df863a1 361 */
wim 17:652ab113bc2e 362 void setCursor(LCDCursor cursorMode);
wim 17:652ab113bc2e 363
wim 17:652ab113bc2e 364 /** Set the Displaymode
wim 17:652ab113bc2e 365 *
wim 17:652ab113bc2e 366 * @param displayMode The Display mode (DispOff, DispOn)
wim 17:652ab113bc2e 367 */
wim 21:9eb628d9e164 368 void setMode(LCDMode displayMode);
wim 11:9ec02df863a1 369
wim 20:e0da005a777f 370 /** Set the Backlight mode
wim 20:e0da005a777f 371 *
wim 21:9eb628d9e164 372 * @param backlightMode The Backlight mode (LightOff, LightOn)
wim 20:e0da005a777f 373 */
wim 21:9eb628d9e164 374 void setBacklight(LCDBacklight backlightMode);
wim 20:e0da005a777f 375
wim 33:900a94bc7585 376 /** Set User Defined Characters (UDC)
wim 11:9ec02df863a1 377 *
wim 34:e5a0dcb43ecc 378 * @param unsigned char c The Index of the UDC (0..7) for HD44780 clones and (0..15) for some more advanced controllers
wim 34:e5a0dcb43ecc 379 * @param char *udc_data The bitpatterns for the UDC (8 bytes of 5 significant bits for bitpattern and 3 bits for blinkmode (advanced types))
wim 11:9ec02df863a1 380 */
wim 11:9ec02df863a1 381 void setUDC(unsigned char c, char *udc_data);
wim 11:9ec02df863a1 382
wim 36:9f5f86dfd44a 383 /** Set UDC Blink and Icon blink
wim 33:900a94bc7585 384 * setUDCBlink method is supported by some compatible devices (eg SSD1803)
wim 33:900a94bc7585 385 *
wim 33:900a94bc7585 386 * @param blinkMode The Blink mode (BlinkOff, BlinkOn)
wim 33:900a94bc7585 387 */
wim 33:900a94bc7585 388 void setUDCBlink(LCDBlink blinkMode);
wim 33:900a94bc7585 389
wim 32:59c4b8f648d4 390 /** Set Contrast
wim 32:59c4b8f648d4 391 * setContrast method is supported by some compatible devices (eg ST7032i) that have onboard LCD voltage generation
wim 32:59c4b8f648d4 392 * Code imported from fork by JH1PJL
wim 32:59c4b8f648d4 393 *
wim 32:59c4b8f648d4 394 * @param unsigned char c contrast data (6 significant bits, valid range 0..63, Value 0 will disable the Vgen)
wim 32:59c4b8f648d4 395 * @return none
wim 32:59c4b8f648d4 396 */
wim 32:59c4b8f648d4 397 void setContrast(unsigned char c = LCD_DEF_CONTRAST);
wim 32:59c4b8f648d4 398
wim 32:59c4b8f648d4 399 /** Set Power
wim 32:59c4b8f648d4 400 * setPower method is supported by some compatible devices (eg SSD1803) that have power down modes
wim 32:59c4b8f648d4 401 *
wim 32:59c4b8f648d4 402 * @param bool powerOn Power on/off
wim 32:59c4b8f648d4 403 * @return none
wim 32:59c4b8f648d4 404 */
wim 32:59c4b8f648d4 405 void setPower(bool powerOn = true);
wim 32:59c4b8f648d4 406
wim 33:900a94bc7585 407 /** Set Orient
wim 33:900a94bc7585 408 * setOrient method is supported by some compatible devices (eg SSD1803, US2066) that have top/bottom view modes
wim 33:900a94bc7585 409 *
wim 33:900a94bc7585 410 * @param LCDOrient orient Orientation
wim 33:900a94bc7585 411 * @return none
wim 33:900a94bc7585 412 */
wim 33:900a94bc7585 413 void setOrient(LCDOrient orient = Top);
wim 33:900a94bc7585 414
wim 34:e5a0dcb43ecc 415 /** Set Big Font
wim 34:e5a0dcb43ecc 416 * setBigFont method is supported by some compatible devices (eg SSD1803, US2066)
wim 34:e5a0dcb43ecc 417 *
wim 34:e5a0dcb43ecc 418 * @param lines The selected Big Font lines (None, TopLine, CenterLine, BottomLine, TopBottomLine)
wim 34:e5a0dcb43ecc 419 * Double height characters can be shown on lines 1+2, 2+3, 3+4 or 1+2 and 3+4
wim 34:e5a0dcb43ecc 420 * Valid double height lines depend on the LCDs number of rows.
wim 34:e5a0dcb43ecc 421 */
wim 34:e5a0dcb43ecc 422 void setBigFont(LCDBigFont lines);
wim 32:59c4b8f648d4 423
wim 36:9f5f86dfd44a 424 /** Set Icons
wim 36:9f5f86dfd44a 425 *
wim 36:9f5f86dfd44a 426 * @param unsigned char idx The Index of the icon pattern (0..15) for KS0073 and similar controllers
wim 36:9f5f86dfd44a 427 * and Index (0..31) for PCF2103 and similar controllers
wim 36:9f5f86dfd44a 428 * @param unsigned char data The bitpattern for the icons (6 lsb for KS0073 bitpattern (5 lsb for KS0078) and 2 msb for blinkmode)
wim 36:9f5f86dfd44a 429 * The bitpattern for the PCF2103 icons is 5 lsb (UDC 0..2) and 5 lsb for blinkmode (UDC 4..6)
wim 36:9f5f86dfd44a 430 */
wim 36:9f5f86dfd44a 431 void setIcon(unsigned char idx, unsigned char data);
wim 36:9f5f86dfd44a 432
wim 36:9f5f86dfd44a 433 /** Clear Icons
wim 36:9f5f86dfd44a 434 *
wim 36:9f5f86dfd44a 435 * @param none
wim 36:9f5f86dfd44a 436 * @return none
wim 36:9f5f86dfd44a 437 */
wim 36:9f5f86dfd44a 438 //@TODO Add support for 40x4 dual controller
wim 36:9f5f86dfd44a 439 void clrIcon();
wim 36:9f5f86dfd44a 440
wim 36:9f5f86dfd44a 441 /** Set Invert
wim 36:9f5f86dfd44a 442 * setInvert method is supported by some compatible devices (eg KS0073) to swap between black and white
wim 36:9f5f86dfd44a 443 *
wim 36:9f5f86dfd44a 444 * @param bool invertOn Invert on/off
wim 36:9f5f86dfd44a 445 * @return none
wim 36:9f5f86dfd44a 446 */
wim 36:9f5f86dfd44a 447 //@TODO Add support for 40x4 dual controller
wim 36:9f5f86dfd44a 448 void setInvert(bool invertOn);
wim 36:9f5f86dfd44a 449
simon 1:ac48b187213c 450 protected:
wim 13:24506ba22480 451
wim 21:9eb628d9e164 452 /** LCD controller select, mainly used for LCD40x4
wim 21:9eb628d9e164 453 */
wim 19:c747b9e2e7b8 454 enum _LCDCtrl_Idx {
wim 15:b70ebfffb258 455 _LCDCtrl_0, /*< Primary */
wim 15:b70ebfffb258 456 _LCDCtrl_1, /*< Secondary */
wim 15:b70ebfffb258 457 };
wim 21:9eb628d9e164 458
wim 37:ce348c002929 459 /** LCD Datalength control to select between 4 or 8 bit data/commands, mainly used for native Serial interface */
wim 36:9f5f86dfd44a 460 enum _LCDDatalength {
wim 36:9f5f86dfd44a 461 _LCD_DL_4 = 0x00, /**< Datalength 4 bit */
wim 36:9f5f86dfd44a 462 _LCD_DL_8 = 0x10 /**< Datalength 8 bit */
wim 36:9f5f86dfd44a 463 };
wim 36:9f5f86dfd44a 464
wim 21:9eb628d9e164 465 /** Create a TextLCD_Base interface
wim 21:9eb628d9e164 466 * @brief Base class, can not be instantiated
wim 21:9eb628d9e164 467 *
wim 21:9eb628d9e164 468 * @param type Sets the panel size/addressing mode (default = LCD16x2)
wim 21:9eb628d9e164 469 * @param ctrl LCD controller (default = HD44780)
wim 21:9eb628d9e164 470 */
wim 21:9eb628d9e164 471 TextLCD_Base(LCDType type = LCD16x2, LCDCtrl ctrl = HD44780);
wim 15:b70ebfffb258 472
simon 1:ac48b187213c 473 // Stream implementation functions
simon 1:ac48b187213c 474 virtual int _putc(int value);
simon 1:ac48b187213c 475 virtual int _getc();
simon 1:ac48b187213c 476
wim 36:9f5f86dfd44a 477 /** Medium level initialisation method for LCD controller
wim 36:9f5f86dfd44a 478 * @param _LCDDatalength dl sets the datalength of data/commands
wim 36:9f5f86dfd44a 479 * @return none
wim 21:9eb628d9e164 480 */
wim 36:9f5f86dfd44a 481 void _init(_LCDDatalength dl = _LCD_DL_4);
wim 29:a3663151aa65 482
wim 29:a3663151aa65 483 /** Low level initialisation method for LCD controller
wim 36:9f5f86dfd44a 484 * Set number of lines, fonttype, no cursor etc
wim 36:9f5f86dfd44a 485 * The controller is accessed in 4-bit parallel mode either directly via mbed pins or through I2C or SPI expander.
wim 36:9f5f86dfd44a 486 * Some controllers also support native I2C or SPI interfaces.
wim 36:9f5f86dfd44a 487 *
wim 36:9f5f86dfd44a 488 * @param _LCDDatalength dl sets the 4 or 8 bit datalength of data/commands. Required for some native serial modes.
wim 36:9f5f86dfd44a 489 * @return none
wim 29:a3663151aa65 490 */
wim 36:9f5f86dfd44a 491 void _initCtrl(_LCDDatalength dl = _LCD_DL_4);
wim 29:a3663151aa65 492
wim 29:a3663151aa65 493 /** Low level character address set method
wim 29:a3663151aa65 494 */
wim 13:24506ba22480 495 int _address(int column, int row);
wim 29:a3663151aa65 496
wim 29:a3663151aa65 497 /** Low level cursor enable or disable method
wim 29:a3663151aa65 498 */
wim 21:9eb628d9e164 499 void _setCursor(LCDCursor show);
wim 29:a3663151aa65 500
wim 29:a3663151aa65 501 /** Low level method to store user defined characters for current controller
wim 34:e5a0dcb43ecc 502 *
wim 34:e5a0dcb43ecc 503 * @param unsigned char c The Index of the UDC (0..7) for HD44780 clones and (0..15) for some more advanced controllers
wim 34:e5a0dcb43ecc 504 * @param char *udc_data The bitpatterns for the UDC (8 bytes of 5 significant bits)
wim 29:a3663151aa65 505 */
wim 17:652ab113bc2e 506 void _setUDC(unsigned char c, char *udc_data);
wim 29:a3663151aa65 507
wim 29:a3663151aa65 508 /** Low level method to restore the cursortype and display mode for current controller
wim 29:a3663151aa65 509 */
wim 21:9eb628d9e164 510 void _setCursorAndDisplayMode(LCDMode displayMode, LCDCursor cursorType);
wim 13:24506ba22480 511
wim 29:a3663151aa65 512 /** Low level nibble write operation to LCD controller (serial or parallel)
wim 21:9eb628d9e164 513 */
wim 17:652ab113bc2e 514 void _writeNibble(int value);
wim 29:a3663151aa65 515
wim 29:a3663151aa65 516 /** Low level command byte write operation to LCD controller.
wim 29:a3663151aa65 517 * Methods resets the RS bit and provides the required timing for the command.
wim 29:a3663151aa65 518 */
wim 15:b70ebfffb258 519 void _writeCommand(int command);
wim 33:900a94bc7585 520
wim 29:a3663151aa65 521 /** Low level data byte write operation to LCD controller (serial or parallel).
wim 29:a3663151aa65 522 * Methods sets the RS bit and provides the required timing for the data.
wim 29:a3663151aa65 523 */
wim 15:b70ebfffb258 524 void _writeData(int data);
wim 15:b70ebfffb258 525
wim 29:a3663151aa65 526 /** Pure Virtual Low level writes to LCD Bus (serial or parallel)
wim 29:a3663151aa65 527 * Set the Enable pin.
wim 29:a3663151aa65 528 */
wim 29:a3663151aa65 529 virtual void _setEnable(bool value) = 0;
wim 29:a3663151aa65 530
wim 21:9eb628d9e164 531 /** Pure Virtual Low level writes to LCD Bus (serial or parallel)
wim 29:a3663151aa65 532 * Set the RS pin ( 0 = Command, 1 = Data).
wim 29:a3663151aa65 533 */
wim 21:9eb628d9e164 534 virtual void _setRS(bool value) = 0;
wim 29:a3663151aa65 535
wim 29:a3663151aa65 536 /** Pure Virtual Low level writes to LCD Bus (serial or parallel)
wim 29:a3663151aa65 537 * Set the BL pin (0 = Backlight Off, 1 = Backlight On).
wim 29:a3663151aa65 538 */
wim 21:9eb628d9e164 539 virtual void _setBL(bool value) = 0;
wim 29:a3663151aa65 540
wim 29:a3663151aa65 541 /** Pure Virtual Low level writes to LCD Bus (serial or parallel)
wim 29:a3663151aa65 542 * Set the databus value (4 bit).
wim 29:a3663151aa65 543 */
wim 21:9eb628d9e164 544 virtual void _setData(int value) = 0;
wim 13:24506ba22480 545
wim 29:a3663151aa65 546 /** Low level byte write operation to LCD controller (serial or parallel)
wim 29:a3663151aa65 547 * Depending on the RS pin this byte will be interpreted as data or command
wim 29:a3663151aa65 548 */
wim 29:a3663151aa65 549 virtual void _writeByte(int value);
wim 33:900a94bc7585 550
wim 13:24506ba22480 551 //Display type
wim 37:ce348c002929 552 LCDType _type; // Display type
wim 37:ce348c002929 553 int _nr_cols;
wim 30:033048611c01 554 int _nr_rows;
wim 37:ce348c002929 555 int _addr_mode; // Addressing mode of LCDType, defines relation between display row,col and controller memory address
wim 37:ce348c002929 556
wim 21:9eb628d9e164 557 //Display mode
wim 17:652ab113bc2e 558 LCDMode _currentMode;
wim 17:652ab113bc2e 559
wim 19:c747b9e2e7b8 560 //Controller type
wim 37:ce348c002929 561 LCDCtrl _ctrl; // Controller type
wim 37:ce348c002929 562 int _font; // ASCII character fonttable
wim 37:ce348c002929 563
wim 15:b70ebfffb258 564 //Controller select, mainly used for LCD40x4
wim 19:c747b9e2e7b8 565 _LCDCtrl_Idx _ctrl_idx;
wim 15:b70ebfffb258 566
wim 13:24506ba22480 567 // Cursor
simon 1:ac48b187213c 568 int _column;
simon 1:ac48b187213c 569 int _row;
wim 32:59c4b8f648d4 570 LCDCursor _currentCursor;
wim 32:59c4b8f648d4 571
wim 36:9f5f86dfd44a 572 // Function modes saved to allow switch between Instruction sets after initialisation time
wim 36:9f5f86dfd44a 573 int _function, _function_1, _function_x;
wim 36:9f5f86dfd44a 574
wim 32:59c4b8f648d4 575 // Icon, Booster mode and contrast saved to allow contrast change at later time
wim 32:59c4b8f648d4 576 // Only available for controllers with added features
wim 36:9f5f86dfd44a 577 int _icon_power, _contrast;
simon 1:ac48b187213c 578 };
simon 1:ac48b187213c 579
wim 23:d47f226efb24 580 //--------- End TextLCD_Base -----------
wim 22:35742ec80c24 581
wim 22:35742ec80c24 582
wim 23:d47f226efb24 583 //--------- Start TextLCD Bus -----------
wim 21:9eb628d9e164 584
wim 21:9eb628d9e164 585 /** Create a TextLCD interface for using regular mbed pins
wim 21:9eb628d9e164 586 *
wim 21:9eb628d9e164 587 */
wim 21:9eb628d9e164 588 class TextLCD : public TextLCD_Base {
wim 21:9eb628d9e164 589 public:
wim 21:9eb628d9e164 590 /** Create a TextLCD interface for using regular mbed pins
wim 21:9eb628d9e164 591 *
wim 21:9eb628d9e164 592 * @param rs Instruction/data control line
wim 21:9eb628d9e164 593 * @param e Enable line (clock)
wim 21:9eb628d9e164 594 * @param d4-d7 Data lines for using as a 4-bit interface
wim 21:9eb628d9e164 595 * @param type Sets the panel size/addressing mode (default = LCD16x2)
wim 21:9eb628d9e164 596 * @param bl Backlight control line (optional, default = NC)
wim 21:9eb628d9e164 597 * @param e2 Enable2 line (clock for second controller, LCD40x4 only)
wim 21:9eb628d9e164 598 * @param ctrl LCD controller (default = HD44780)
wim 21:9eb628d9e164 599 */
wim 21:9eb628d9e164 600 TextLCD(PinName rs, PinName e, PinName d4, PinName d5, PinName d6, PinName d7, LCDType type = LCD16x2, PinName bl = NC, PinName e2 = NC, LCDCtrl ctrl = HD44780);
wim 21:9eb628d9e164 601
wim 22:35742ec80c24 602 /** Destruct a TextLCD interface for using regular mbed pins
wim 22:35742ec80c24 603 *
wim 22:35742ec80c24 604 * @param none
wim 22:35742ec80c24 605 * @return none
wim 22:35742ec80c24 606 */
wim 22:35742ec80c24 607 virtual ~TextLCD();
wim 22:35742ec80c24 608
wim 21:9eb628d9e164 609 private:
wim 29:a3663151aa65 610
wim 29:a3663151aa65 611 /** Implementation of pure Virtual Low level writes to LCD Bus (parallel)
wim 29:a3663151aa65 612 * Set the Enable pin.
wim 29:a3663151aa65 613 */
wim 21:9eb628d9e164 614 virtual void _setEnable(bool value);
wim 29:a3663151aa65 615
wim 29:a3663151aa65 616 /** Implementation of pure Virtual Low level writes to LCD Bus (parallel)
wim 32:59c4b8f648d4 617 * Set the RS pin (0 = Command, 1 = Data).
wim 29:a3663151aa65 618 */
wim 21:9eb628d9e164 619 virtual void _setRS(bool value);
wim 29:a3663151aa65 620
wim 29:a3663151aa65 621 /** Implementation of pure Virtual Low level writes to LCD Bus (parallel)
wim 29:a3663151aa65 622 * Set the BL pin (0 = Backlight Off, 1 = Backlight On).
wim 29:a3663151aa65 623 */
wim 21:9eb628d9e164 624 virtual void _setBL(bool value);
wim 29:a3663151aa65 625
wim 29:a3663151aa65 626 /** Implementation of pure Virtual Low level writes to LCD Bus (parallel)
wim 29:a3663151aa65 627 * Set the databus value (4 bit).
wim 29:a3663151aa65 628 */
wim 21:9eb628d9e164 629 virtual void _setData(int value);
wim 21:9eb628d9e164 630
wim 22:35742ec80c24 631 /** Regular mbed pins bus
wim 22:35742ec80c24 632 */
wim 22:35742ec80c24 633 DigitalOut _rs, _e;
wim 22:35742ec80c24 634 BusOut _d;
wim 22:35742ec80c24 635
wim 22:35742ec80c24 636 /** Optional Hardware pins for the Backlight and LCD40x4 device
wim 22:35742ec80c24 637 * Default PinName value is NC, must be used as pointer to avoid issues with mbed lib and DigitalOut pins
wim 22:35742ec80c24 638 */
wim 37:ce348c002929 639 DigitalOut *_bl, *_e2;
wim 21:9eb628d9e164 640 };
wim 21:9eb628d9e164 641
wim 23:d47f226efb24 642 //----------- End TextLCD ---------------
wim 21:9eb628d9e164 643
wim 21:9eb628d9e164 644
wim 23:d47f226efb24 645 //--------- Start TextLCD_I2C -----------
wim 34:e5a0dcb43ecc 646 #if(LCD_I2C == 1) /* I2C Expander PCF8574/MCP23008 */
wim 22:35742ec80c24 647
wim 26:bd897a001012 648 /** Create a TextLCD interface using an I2C PCF8574 (or PCF8574A) or MCP23008 portexpander
wim 21:9eb628d9e164 649 *
wim 21:9eb628d9e164 650 */
wim 21:9eb628d9e164 651 class TextLCD_I2C : public TextLCD_Base {
wim 21:9eb628d9e164 652 public:
wim 26:bd897a001012 653 /** Create a TextLCD interface using an I2C PCF8574 (or PCF8574A) or MCP23008 portexpander
wim 21:9eb628d9e164 654 *
wim 21:9eb628d9e164 655 * @param i2c I2C Bus
wim 37:ce348c002929 656 * @param deviceAddress I2C slave address (PCF8574 (or PCF8574A) or MCP23008 portexpander, default = PCF8574_SA0 = 0x40)
wim 21:9eb628d9e164 657 * @param type Sets the panel size/addressing mode (default = LCD16x2)
wim 21:9eb628d9e164 658 * @param ctrl LCD controller (default = HD44780)
wim 21:9eb628d9e164 659 */
wim 26:bd897a001012 660 TextLCD_I2C(I2C *i2c, char deviceAddress = PCF8574_SA0, LCDType type = LCD16x2, LCDCtrl ctrl = HD44780);
wim 21:9eb628d9e164 661
wim 21:9eb628d9e164 662 private:
wim 29:a3663151aa65 663
wim 37:ce348c002929 664 /** Place the Enable bit in the databus shadowvalue
wim 37:ce348c002929 665 * Used for mbed I2C portexpander
wim 37:ce348c002929 666 * @param value data to write
wim 37:ce348c002929 667 * @return none
wim 37:ce348c002929 668 */
wim 37:ce348c002929 669 void _setEnableBit(bool value);
wim 37:ce348c002929 670
wim 29:a3663151aa65 671 /** Implementation of pure Virtual Low level writes to LCD Bus (serial expander)
wim 29:a3663151aa65 672 * Set the Enable pin.
wim 29:a3663151aa65 673 */
wim 21:9eb628d9e164 674 virtual void _setEnable(bool value);
wim 29:a3663151aa65 675
wim 29:a3663151aa65 676 /** Implementation of pure Virtual Low level writes to LCD Bus (serial expander)
wim 32:59c4b8f648d4 677 * Set the RS pin (0 = Command, 1 = Data).
wim 29:a3663151aa65 678 */
wim 21:9eb628d9e164 679 virtual void _setRS(bool value);
wim 29:a3663151aa65 680
wim 29:a3663151aa65 681 /** Implementation of pure Virtual Low level writes to LCD Bus (serial expander)
wim 29:a3663151aa65 682 * Set the BL pin (0 = Backlight Off, 1 = Backlight On).
wim 29:a3663151aa65 683 */
wim 21:9eb628d9e164 684 virtual void _setBL(bool value);
wim 29:a3663151aa65 685
wim 37:ce348c002929 686 /** Place the 4bit data in the databus shadowvalue
wim 37:ce348c002929 687 * Used for mbed I2C portexpander
wim 37:ce348c002929 688 * @param value data to write
wim 37:ce348c002929 689 * @return none
wim 37:ce348c002929 690 */
wim 37:ce348c002929 691 void _setDataBits(int value);
wim 37:ce348c002929 692
wim 29:a3663151aa65 693 /** Implementation of pure Virtual Low level writes to LCD Bus (serial expander)
wim 29:a3663151aa65 694 * Set the databus value (4 bit).
wim 29:a3663151aa65 695 */
wim 29:a3663151aa65 696 virtual void _setData(int value);
wim 37:ce348c002929 697
wim 37:ce348c002929 698 //New optimized
wim 37:ce348c002929 699 //Test faster _writeByte 0.11s vs 0.27s for a 20x4 fillscreen (PCF8574)
wim 37:ce348c002929 700 //Test faster _writeByte 0.14s vs 0.34s for a 20x4 fillscreen (MCP23008)
wim 37:ce348c002929 701
wim 37:ce348c002929 702 /** Low level writes to LCD serial bus expander
wim 37:ce348c002929 703 */
wim 37:ce348c002929 704 virtual void _writeByte(int value);
wim 37:ce348c002929 705
wim 29:a3663151aa65 706 /** Write data to MCP23008 I2C portexpander
wim 29:a3663151aa65 707 * @param reg register to write
wim 29:a3663151aa65 708 * @param value data to write
wim 29:a3663151aa65 709 * @return none
wim 29:a3663151aa65 710 */
wim 37:ce348c002929 711 void _writeRegister (int reg, int value);
wim 21:9eb628d9e164 712
wim 21:9eb628d9e164 713 //I2C bus
wim 21:9eb628d9e164 714 I2C *_i2c;
wim 21:9eb628d9e164 715 char _slaveAddress;
wim 21:9eb628d9e164 716
wim 37:ce348c002929 717 // Internal bus shadow value for serial bus only
wim 30:033048611c01 718 char _lcd_bus;
wim 21:9eb628d9e164 719 };
wim 34:e5a0dcb43ecc 720 #endif /* I2C Expander PCF8574/MCP23008 */
wim 21:9eb628d9e164 721
wim 23:d47f226efb24 722 //---------- End TextLCD_I2C ------------
wim 22:35742ec80c24 723
wim 22:35742ec80c24 724
wim 23:d47f226efb24 725 //--------- Start TextLCD_SPI -----------
wim 34:e5a0dcb43ecc 726 #if(LCD_SPI == 1) /* SPI Expander SN74595 */
wim 22:35742ec80c24 727
wim 21:9eb628d9e164 728 /** Create a TextLCD interface using an SPI 74595 portexpander
wim 21:9eb628d9e164 729 *
wim 21:9eb628d9e164 730 */
wim 21:9eb628d9e164 731 class TextLCD_SPI : public TextLCD_Base {
wim 21:9eb628d9e164 732 public:
wim 21:9eb628d9e164 733 /** Create a TextLCD interface using an SPI 74595 portexpander
wim 21:9eb628d9e164 734 *
wim 21:9eb628d9e164 735 * @param spi SPI Bus
wim 21:9eb628d9e164 736 * @param cs chip select pin (active low)
wim 21:9eb628d9e164 737 * @param type Sets the panel size/addressing mode (default = LCD16x2)
wim 21:9eb628d9e164 738 * @param ctrl LCD controller (default = HD44780)
wim 21:9eb628d9e164 739 */
wim 21:9eb628d9e164 740 TextLCD_SPI(SPI *spi, PinName cs, LCDType type = LCD16x2, LCDCtrl ctrl = HD44780);
wim 21:9eb628d9e164 741
wim 21:9eb628d9e164 742 private:
wim 29:a3663151aa65 743
wim 29:a3663151aa65 744 /** Implementation of pure Virtual Low level writes to LCD Bus (serial expander)
wim 29:a3663151aa65 745 * Set the Enable pin.
wim 29:a3663151aa65 746 */
wim 21:9eb628d9e164 747 virtual void _setEnable(bool value);
wim 29:a3663151aa65 748
wim 29:a3663151aa65 749 /** Implementation of pure Virtual Low level writes to LCD Bus (serial expander)
wim 32:59c4b8f648d4 750 * Set the RS pin (0 = Command, 1 = Data).
wim 29:a3663151aa65 751 */
wim 21:9eb628d9e164 752 virtual void _setRS(bool value);
wim 29:a3663151aa65 753
wim 29:a3663151aa65 754 /** Implementation of pure Virtual Low level writes to LCD Bus (serial expander)
wim 29:a3663151aa65 755 * Set the BL pin (0 = Backlight Off, 1 = Backlight On).
wim 29:a3663151aa65 756 */
wim 21:9eb628d9e164 757 virtual void _setBL(bool value);
wim 29:a3663151aa65 758
wim 29:a3663151aa65 759 /** Implementation of pure Virtual Low level writes to LCD Bus (serial expander)
wim 29:a3663151aa65 760 * Set the databus value (4 bit).
wim 29:a3663151aa65 761 */
wim 37:ce348c002929 762 virtual void _setData(int value);
wim 21:9eb628d9e164 763
wim 21:9eb628d9e164 764 // SPI bus
wim 21:9eb628d9e164 765 SPI *_spi;
wim 21:9eb628d9e164 766 DigitalOut _cs;
wim 21:9eb628d9e164 767
wim 37:ce348c002929 768 // Internal bus shadow value for serial bus only
wim 21:9eb628d9e164 769 char _lcd_bus;
wim 21:9eb628d9e164 770 };
wim 34:e5a0dcb43ecc 771 #endif /* SPI Expander SN74595 */
wim 23:d47f226efb24 772 //---------- End TextLCD_SPI ------------
wim 21:9eb628d9e164 773
Sissors 24:fb3399713710 774
wim 37:ce348c002929 775 //--------- Start TextLCD_I2C_N -----------
wim 37:ce348c002929 776 #if(LCD_I2C_N == 1) /* Native I2C */
wim 37:ce348c002929 777
wim 37:ce348c002929 778 /** Create a TextLCD interface using a controller with native I2C interface
wim 37:ce348c002929 779 *
wim 37:ce348c002929 780 */
wim 37:ce348c002929 781 class TextLCD_I2C_N : public TextLCD_Base {
wim 37:ce348c002929 782 public:
wim 37:ce348c002929 783 /** Create a TextLCD interface using a controller with native I2C interface
wim 37:ce348c002929 784 *
wim 37:ce348c002929 785 * @param i2c I2C Bus
wim 37:ce348c002929 786 * @param deviceAddress I2C slave address (default = ST7032_SA = 0x7C)
wim 37:ce348c002929 787 * @param type Sets the panel size/addressing mode (default = LCD16x2)
wim 37:ce348c002929 788 * @param bl Backlight control line (optional, default = NC)
wim 37:ce348c002929 789 * @param ctrl LCD controller (default = ST7032_3V3)
wim 37:ce348c002929 790 */
wim 37:ce348c002929 791 TextLCD_I2C_N(I2C *i2c, char deviceAddress = ST7032_SA, LCDType type = LCD16x2, PinName bl = NC, LCDCtrl ctrl = ST7032_3V3);
wim 37:ce348c002929 792
wim 37:ce348c002929 793 /** Destruct a TextLCD interface using a controller with native I2C interface
wim 37:ce348c002929 794 */
wim 37:ce348c002929 795 virtual ~TextLCD_I2C_N(void);
wim 37:ce348c002929 796
wim 37:ce348c002929 797 private:
wim 37:ce348c002929 798
wim 37:ce348c002929 799 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wim 37:ce348c002929 800 * Set the Enable pin.
wim 37:ce348c002929 801 */
wim 37:ce348c002929 802 virtual void _setEnable(bool value);
wim 37:ce348c002929 803
wim 37:ce348c002929 804 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wim 37:ce348c002929 805 * Set the RS pin ( 0 = Command, 1 = Data).
wim 37:ce348c002929 806 */
wim 37:ce348c002929 807 virtual void _setRS(bool value);
wim 37:ce348c002929 808
wim 37:ce348c002929 809 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wim 37:ce348c002929 810 * Set the BL pin (0 = Backlight Off, 1 = Backlight On).
wim 37:ce348c002929 811 */
wim 37:ce348c002929 812 virtual void _setBL(bool value);
wim 37:ce348c002929 813
wim 37:ce348c002929 814 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wim 37:ce348c002929 815 * Set the databus value (4 bit).
wim 37:ce348c002929 816 */
wim 37:ce348c002929 817 virtual void _setData(int value);
wim 37:ce348c002929 818
wim 37:ce348c002929 819 /** Low level writes to LCD serial bus only (serial native)
wim 37:ce348c002929 820 */
wim 37:ce348c002929 821 virtual void _writeByte(int value);
wim 37:ce348c002929 822
wim 37:ce348c002929 823 //I2C bus
wim 37:ce348c002929 824 I2C *_i2c;
wim 37:ce348c002929 825 char _slaveAddress;
wim 37:ce348c002929 826
wim 37:ce348c002929 827 // controlbyte to select between data and command. Internal shadow value for serial bus only
wim 37:ce348c002929 828 char _controlbyte;
wim 37:ce348c002929 829
wim 37:ce348c002929 830 //Backlight
wim 37:ce348c002929 831 DigitalOut *_bl;
wim 37:ce348c002929 832
wim 37:ce348c002929 833 };
wim 37:ce348c002929 834 #endif /* Native I2C */
wim 37:ce348c002929 835 //---------- End TextLCD_I2C_N ------------
wim 37:ce348c002929 836
wim 37:ce348c002929 837
wim 26:bd897a001012 838 //--------- Start TextLCD_SPI_N -----------
wim 34:e5a0dcb43ecc 839 #if(LCD_SPI_N == 1) /* Native SPI bus */
Sissors 24:fb3399713710 840
wim 30:033048611c01 841 /** Create a TextLCD interface using a controller with native SPI4 interface
Sissors 24:fb3399713710 842 *
Sissors 24:fb3399713710 843 */
wim 25:6162b31128c9 844 class TextLCD_SPI_N : public TextLCD_Base {
Sissors 24:fb3399713710 845 public:
wim 30:033048611c01 846 /** Create a TextLCD interface using a controller with native SPI4 interface
Sissors 24:fb3399713710 847 *
Sissors 24:fb3399713710 848 * @param spi SPI Bus
Sissors 24:fb3399713710 849 * @param cs chip select pin (active low)
Sissors 24:fb3399713710 850 * @param rs Instruction/data control line
Sissors 24:fb3399713710 851 * @param type Sets the panel size/addressing mode (default = LCD16x2)
Sissors 24:fb3399713710 852 * @param bl Backlight control line (optional, default = NC)
wim 26:bd897a001012 853 * @param ctrl LCD controller (default = ST7032_3V3)
Sissors 24:fb3399713710 854 */
wim 26:bd897a001012 855 TextLCD_SPI_N(SPI *spi, PinName cs, PinName rs, LCDType type = LCD16x2, PinName bl = NC, LCDCtrl ctrl = ST7032_3V3);
wim 37:ce348c002929 856
wim 37:ce348c002929 857 /** Destruct a TextLCD interface using a controller with native SPI4 interface
wim 37:ce348c002929 858 */
wim 25:6162b31128c9 859 virtual ~TextLCD_SPI_N(void);
Sissors 24:fb3399713710 860
Sissors 24:fb3399713710 861 private:
wim 29:a3663151aa65 862
wim 29:a3663151aa65 863 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wim 29:a3663151aa65 864 * Set the Enable pin.
wim 29:a3663151aa65 865 */
Sissors 24:fb3399713710 866 virtual void _setEnable(bool value);
wim 29:a3663151aa65 867
wim 29:a3663151aa65 868 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wim 32:59c4b8f648d4 869 * Set the RS pin (0 = Command, 1 = Data).
wim 29:a3663151aa65 870 */
Sissors 24:fb3399713710 871 virtual void _setRS(bool value);
wim 29:a3663151aa65 872
wim 29:a3663151aa65 873 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wim 29:a3663151aa65 874 * Set the BL pin (0 = Backlight Off, 1 = Backlight On).
wim 29:a3663151aa65 875 */
Sissors 24:fb3399713710 876 virtual void _setBL(bool value);
wim 29:a3663151aa65 877
wim 29:a3663151aa65 878 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wim 29:a3663151aa65 879 * Set the databus value (4 bit).
wim 29:a3663151aa65 880 */
Sissors 24:fb3399713710 881 virtual void _setData(int value);
wim 29:a3663151aa65 882
wim 29:a3663151aa65 883 /** Low level writes to LCD serial bus only (serial native)
wim 29:a3663151aa65 884 */
Sissors 24:fb3399713710 885 virtual void _writeByte(int value);
Sissors 24:fb3399713710 886
Sissors 24:fb3399713710 887 // SPI bus
Sissors 24:fb3399713710 888 SPI *_spi;
Sissors 24:fb3399713710 889 DigitalOut _cs;
Sissors 24:fb3399713710 890 DigitalOut _rs;
wim 30:033048611c01 891
wim 30:033048611c01 892 //Backlight
Sissors 24:fb3399713710 893 DigitalOut *_bl;
Sissors 24:fb3399713710 894 };
wim 34:e5a0dcb43ecc 895 #endif /* Native SPI bus */
wim 25:6162b31128c9 896 //---------- End TextLCD_SPI_N ------------
Sissors 24:fb3399713710 897
wim 26:bd897a001012 898
wim 36:9f5f86dfd44a 899 //-------- Start TextLCD_SPI_N_3_8 --------
wim 36:9f5f86dfd44a 900 #if(LCD_SPI_N_3_8 == 1) /* Native SPI bus */
wim 37:ce348c002929 901 /** Create a TextLCD interface using a controller with native SPI3 8 bits interface
wim 37:ce348c002929 902 * This mode is supported by ST7070.
wim 37:ce348c002929 903 *
wim 37:ce348c002929 904 */
wim 36:9f5f86dfd44a 905 class TextLCD_SPI_N_3_8 : public TextLCD_Base {
wim 36:9f5f86dfd44a 906 public:
wim 36:9f5f86dfd44a 907 /** Create a TextLCD interface using a controller with a native SPI3 8 bits interface
wim 36:9f5f86dfd44a 908 * This mode is supported by ST7070. Note that implementation in TexTLCD is not very efficient due to
wim 36:9f5f86dfd44a 909 * structure of the TextLCD library: each databyte is written separately and requires a separate 'count command' set to 1 byte.
wim 36:9f5f86dfd44a 910 *
wim 36:9f5f86dfd44a 911 * @param spi SPI Bus
wim 36:9f5f86dfd44a 912 * @param cs chip select pin (active low)
wim 36:9f5f86dfd44a 913 * @param type Sets the panel size/addressing mode (default = LCD16x2)
wim 36:9f5f86dfd44a 914 * @param bl Backlight control line (optional, default = NC)
wim 36:9f5f86dfd44a 915 * @param ctrl LCD controller (default = ST7070)
wim 36:9f5f86dfd44a 916 */
wim 36:9f5f86dfd44a 917 TextLCD_SPI_N_3_8(SPI *spi, PinName cs, LCDType type = LCD16x2, PinName bl = NC, LCDCtrl ctrl = ST7070);
wim 36:9f5f86dfd44a 918
wim 37:ce348c002929 919 /** Destruct a TextLCD interface using a controller with native SPI3_8 interface
wim 37:ce348c002929 920 */
wim 36:9f5f86dfd44a 921 virtual ~TextLCD_SPI_N_3_8(void);
wim 36:9f5f86dfd44a 922
wim 36:9f5f86dfd44a 923 private:
wim 36:9f5f86dfd44a 924
wim 36:9f5f86dfd44a 925 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wim 36:9f5f86dfd44a 926 * Set the Enable pin.
wim 36:9f5f86dfd44a 927 */
wim 36:9f5f86dfd44a 928 virtual void _setEnable(bool value);
wim 36:9f5f86dfd44a 929
wim 36:9f5f86dfd44a 930 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wim 36:9f5f86dfd44a 931 * Set the RS pin (0 = Command, 1 = Data).
wim 36:9f5f86dfd44a 932 */
wim 36:9f5f86dfd44a 933 virtual void _setRS(bool value);
wim 36:9f5f86dfd44a 934
wim 36:9f5f86dfd44a 935 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wim 36:9f5f86dfd44a 936 * Set the BL pin (0 = Backlight Off, 1 = Backlight On).
wim 36:9f5f86dfd44a 937 */
wim 36:9f5f86dfd44a 938 virtual void _setBL(bool value);
wim 36:9f5f86dfd44a 939
wim 36:9f5f86dfd44a 940 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wim 36:9f5f86dfd44a 941 * Set the databus value (4 bit).
wim 36:9f5f86dfd44a 942 */
wim 36:9f5f86dfd44a 943 virtual void _setData(int value);
wim 36:9f5f86dfd44a 944
wim 36:9f5f86dfd44a 945 /** Low level writes to LCD serial bus only (serial native)
wim 36:9f5f86dfd44a 946 */
wim 36:9f5f86dfd44a 947 virtual void _writeByte(int value);
wim 36:9f5f86dfd44a 948
wim 36:9f5f86dfd44a 949 // SPI bus
wim 36:9f5f86dfd44a 950 SPI *_spi;
wim 36:9f5f86dfd44a 951 DigitalOut _cs;
wim 36:9f5f86dfd44a 952
wim 37:ce348c002929 953 // controlbyte to select between data and command. Internal shadow value for serial bus only
wim 36:9f5f86dfd44a 954 char _controlbyte;
wim 36:9f5f86dfd44a 955
wim 36:9f5f86dfd44a 956 //Backlight
wim 36:9f5f86dfd44a 957 DigitalOut *_bl;
wim 36:9f5f86dfd44a 958 };
wim 36:9f5f86dfd44a 959
wim 36:9f5f86dfd44a 960 #endif /* Native SPI bus */
wim 36:9f5f86dfd44a 961 //------- End TextLCD_SPI_N_3_8 -----------
wim 36:9f5f86dfd44a 962
wim 36:9f5f86dfd44a 963
wim 34:e5a0dcb43ecc 964 //------- Start TextLCD_SPI_N_3_9 ---------
wim 34:e5a0dcb43ecc 965 #if(LCD_SPI_N_3_9 == 1) /* Native SPI bus */
wim 30:033048611c01 966 //Code checked out on logic analyser. Not yet tested on hardware..
wim 30:033048611c01 967
wim 30:033048611c01 968 /** Create a TextLCD interface using a controller with native SPI3 9 bits interface
wim 30:033048611c01 969 * Note: current mbed libs only support SPI 9 bit mode for NXP platforms
wim 30:033048611c01 970 *
wim 30:033048611c01 971 */
wim 30:033048611c01 972 class TextLCD_SPI_N_3_9 : public TextLCD_Base {
wim 30:033048611c01 973 public:
wim 30:033048611c01 974 /** Create a TextLCD interface using a controller with native SPI3 9 bits interface
wim 30:033048611c01 975 * Note: current mbed libs only support SPI 9 bit mode for NXP platforms
wim 30:033048611c01 976 *
wim 30:033048611c01 977 * @param spi SPI Bus
wim 30:033048611c01 978 * @param cs chip select pin (active low)
wim 30:033048611c01 979 * @param type Sets the panel size/addressing mode (default = LCD16x2)
wim 30:033048611c01 980 * @param bl Backlight control line (optional, default = NC)
wim 30:033048611c01 981 * @param ctrl LCD controller (default = AIP31068)
wim 30:033048611c01 982 */
wim 30:033048611c01 983 TextLCD_SPI_N_3_9(SPI *spi, PinName cs, LCDType type = LCD16x2, PinName bl = NC, LCDCtrl ctrl = AIP31068);
wim 37:ce348c002929 984
wim 37:ce348c002929 985 /** Destruct a TextLCD interface using a controller with native SPI3_9 interface
wim 37:ce348c002929 986 */
wim 30:033048611c01 987 virtual ~TextLCD_SPI_N_3_9(void);
wim 30:033048611c01 988
wim 30:033048611c01 989 private:
wim 30:033048611c01 990
wim 30:033048611c01 991 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wim 30:033048611c01 992 * Set the Enable pin.
wim 30:033048611c01 993 */
wim 30:033048611c01 994 virtual void _setEnable(bool value);
wim 30:033048611c01 995
wim 30:033048611c01 996 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wim 32:59c4b8f648d4 997 * Set the RS pin (0 = Command, 1 = Data).
wim 32:59c4b8f648d4 998 */
wim 32:59c4b8f648d4 999 virtual void _setRS(bool value);
wim 32:59c4b8f648d4 1000
wim 32:59c4b8f648d4 1001 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wim 32:59c4b8f648d4 1002 * Set the BL pin (0 = Backlight Off, 1 = Backlight On).
wim 32:59c4b8f648d4 1003 */
wim 32:59c4b8f648d4 1004 virtual void _setBL(bool value);
wim 32:59c4b8f648d4 1005
wim 32:59c4b8f648d4 1006 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wim 32:59c4b8f648d4 1007 * Set the databus value (4 bit).
wim 32:59c4b8f648d4 1008 */
wim 32:59c4b8f648d4 1009 virtual void _setData(int value);
wim 32:59c4b8f648d4 1010
wim 32:59c4b8f648d4 1011 /** Low level writes to LCD serial bus only (serial native)
wim 32:59c4b8f648d4 1012 */
wim 32:59c4b8f648d4 1013 virtual void _writeByte(int value);
wim 32:59c4b8f648d4 1014
wim 32:59c4b8f648d4 1015 // SPI bus
wim 32:59c4b8f648d4 1016 SPI *_spi;
wim 32:59c4b8f648d4 1017 DigitalOut _cs;
wim 32:59c4b8f648d4 1018
wim 37:ce348c002929 1019 // controlbyte to select between data and command. Internal shadow value for serial bus only
wim 32:59c4b8f648d4 1020 char _controlbyte;
wim 32:59c4b8f648d4 1021
wim 32:59c4b8f648d4 1022 //Backlight
wim 32:59c4b8f648d4 1023 DigitalOut *_bl;
wim 32:59c4b8f648d4 1024 };
wim 34:e5a0dcb43ecc 1025 #endif /* Native SPI bus */
wim 32:59c4b8f648d4 1026 //-------- End TextLCD_SPI_N_3_9 ----------
wim 32:59c4b8f648d4 1027
wim 32:59c4b8f648d4 1028
wim 32:59c4b8f648d4 1029 //------- Start TextLCD_SPI_N_3_10 ---------
wim 34:e5a0dcb43ecc 1030 #if(LCD_SPI_N_3_10 == 1) /* Native SPI bus */
wim 32:59c4b8f648d4 1031
wim 32:59c4b8f648d4 1032 /** Create a TextLCD interface using a controller with native SPI3 10 bits interface
wim 32:59c4b8f648d4 1033 * Note: current mbed libs only support SPI 10 bit mode for NXP platforms
wim 32:59c4b8f648d4 1034 *
wim 32:59c4b8f648d4 1035 */
wim 32:59c4b8f648d4 1036 class TextLCD_SPI_N_3_10 : public TextLCD_Base {
wim 32:59c4b8f648d4 1037 public:
wim 32:59c4b8f648d4 1038 /** Create a TextLCD interface using a controller with native SPI3 10 bits interface
wim 32:59c4b8f648d4 1039 * Note: current mbed libs only support SPI 10 bit mode for NXP platforms
wim 32:59c4b8f648d4 1040 *
wim 32:59c4b8f648d4 1041 * @param spi SPI Bus
wim 32:59c4b8f648d4 1042 * @param cs chip select pin (active low)
wim 32:59c4b8f648d4 1043 * @param type Sets the panel size/addressing mode (default = LCD16x2)
wim 32:59c4b8f648d4 1044 * @param bl Backlight control line (optional, default = NC)
wim 32:59c4b8f648d4 1045 * @param ctrl LCD controller (default = AIP31068)
wim 32:59c4b8f648d4 1046 */
wim 32:59c4b8f648d4 1047 TextLCD_SPI_N_3_10(SPI *spi, PinName cs, LCDType type = LCD16x2, PinName bl = NC, LCDCtrl ctrl = AIP31068);
wim 37:ce348c002929 1048
wim 37:ce348c002929 1049 /** Destruct a TextLCD interface using a controller with native SPI3_10 interface
wim 37:ce348c002929 1050 */
wim 32:59c4b8f648d4 1051 virtual ~TextLCD_SPI_N_3_10(void);
wim 32:59c4b8f648d4 1052
wim 32:59c4b8f648d4 1053 private:
wim 32:59c4b8f648d4 1054
wim 32:59c4b8f648d4 1055 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wim 32:59c4b8f648d4 1056 * Set the Enable pin.
wim 32:59c4b8f648d4 1057 */
wim 32:59c4b8f648d4 1058 virtual void _setEnable(bool value);
wim 32:59c4b8f648d4 1059
wim 32:59c4b8f648d4 1060 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wim 32:59c4b8f648d4 1061 * Set the RS pin (0 = Command, 1 = Data).
wim 32:59c4b8f648d4 1062 */
wim 32:59c4b8f648d4 1063 virtual void _setRS(bool value);
wim 32:59c4b8f648d4 1064
wim 32:59c4b8f648d4 1065 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wim 32:59c4b8f648d4 1066 * Set the BL pin (0 = Backlight Off, 1 = Backlight On).
wim 32:59c4b8f648d4 1067 */
wim 32:59c4b8f648d4 1068 virtual void _setBL(bool value);
wim 32:59c4b8f648d4 1069
wim 32:59c4b8f648d4 1070 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wim 32:59c4b8f648d4 1071 * Set the databus value (4 bit).
wim 32:59c4b8f648d4 1072 */
wim 32:59c4b8f648d4 1073 virtual void _setData(int value);
wim 32:59c4b8f648d4 1074
wim 32:59c4b8f648d4 1075 /** Low level writes to LCD serial bus only (serial native)
wim 32:59c4b8f648d4 1076 */
wim 32:59c4b8f648d4 1077 virtual void _writeByte(int value);
wim 32:59c4b8f648d4 1078
wim 32:59c4b8f648d4 1079 // SPI bus
wim 32:59c4b8f648d4 1080 SPI *_spi;
wim 32:59c4b8f648d4 1081 DigitalOut _cs;
wim 36:9f5f86dfd44a 1082
wim 37:ce348c002929 1083 // controlbyte to select between data and command. Internal shadow value for serial bus only
wim 32:59c4b8f648d4 1084 char _controlbyte;
wim 32:59c4b8f648d4 1085
wim 32:59c4b8f648d4 1086 //Backlight
wim 32:59c4b8f648d4 1087 DigitalOut *_bl;
wim 32:59c4b8f648d4 1088 };
wim 32:59c4b8f648d4 1089
wim 34:e5a0dcb43ecc 1090 #endif /* Native SPI bus */
wim 32:59c4b8f648d4 1091 //-------- End TextLCD_SPI_N_3_10 ----------
wim 32:59c4b8f648d4 1092
wim 32:59c4b8f648d4 1093
wim 32:59c4b8f648d4 1094 //------- Start TextLCD_SPI_N_3_16 ---------
wim 34:e5a0dcb43ecc 1095 #if(LCD_SPI_N_3_16 == 1) /* Native SPI bus */
wim 32:59c4b8f648d4 1096
wim 32:59c4b8f648d4 1097 /** Create a TextLCD interface using a controller with native SPI3 16 bits interface
wim 32:59c4b8f648d4 1098 *
wim 32:59c4b8f648d4 1099 */
wim 32:59c4b8f648d4 1100 class TextLCD_SPI_N_3_16 : public TextLCD_Base {
wim 32:59c4b8f648d4 1101 public:
wim 32:59c4b8f648d4 1102 /** Create a TextLCD interface using a controller with native SPI3 16 bits interface
wim 32:59c4b8f648d4 1103 *
wim 32:59c4b8f648d4 1104 * @param spi SPI Bus
wim 32:59c4b8f648d4 1105 * @param cs chip select pin (active low)
wim 32:59c4b8f648d4 1106 * @param type Sets the panel size/addressing mode (default = LCD16x2)
wim 32:59c4b8f648d4 1107 * @param bl Backlight control line (optional, default = NC)
wim 32:59c4b8f648d4 1108 * @param ctrl LCD controller (default = PT6314)
wim 32:59c4b8f648d4 1109 */
wim 32:59c4b8f648d4 1110 TextLCD_SPI_N_3_16(SPI *spi, PinName cs, LCDType type = LCD16x2, PinName bl = NC, LCDCtrl ctrl = PT6314);
wim 37:ce348c002929 1111
wim 37:ce348c002929 1112 /** Destruct a TextLCD interface using a controller with native SPI3_16 interface
wim 37:ce348c002929 1113 */
wim 32:59c4b8f648d4 1114 virtual ~TextLCD_SPI_N_3_16(void);
wim 32:59c4b8f648d4 1115
wim 32:59c4b8f648d4 1116 private:
wim 32:59c4b8f648d4 1117
wim 32:59c4b8f648d4 1118 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wim 32:59c4b8f648d4 1119 * Set the Enable pin.
wim 32:59c4b8f648d4 1120 */
wim 32:59c4b8f648d4 1121 virtual void _setEnable(bool value);
wim 32:59c4b8f648d4 1122
wim 32:59c4b8f648d4 1123 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wim 32:59c4b8f648d4 1124 * Set the RS pin (0 = Command, 1 = Data).
wim 30:033048611c01 1125 */
wim 30:033048611c01 1126 virtual void _setRS(bool value);
wim 30:033048611c01 1127
wim 30:033048611c01 1128 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wim 30:033048611c01 1129 * Set the BL pin (0 = Backlight Off, 1 = Backlight On).
wim 30:033048611c01 1130 */
wim 30:033048611c01 1131 virtual void _setBL(bool value);
wim 30:033048611c01 1132
wim 30:033048611c01 1133 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wim 30:033048611c01 1134 * Set the databus value (4 bit).
wim 30:033048611c01 1135 */
wim 30:033048611c01 1136 virtual void _setData(int value);
wim 30:033048611c01 1137
wim 30:033048611c01 1138 /** Low level writes to LCD serial bus only (serial native)
wim 30:033048611c01 1139 */
wim 30:033048611c01 1140 virtual void _writeByte(int value);
wim 30:033048611c01 1141
wim 30:033048611c01 1142 // SPI bus
wim 30:033048611c01 1143 SPI *_spi;
wim 30:033048611c01 1144 DigitalOut _cs;
wim 30:033048611c01 1145
wim 37:ce348c002929 1146 // controlbyte to select between data and command. Internal shadow value for serial bus only
wim 30:033048611c01 1147 char _controlbyte;
wim 30:033048611c01 1148
wim 30:033048611c01 1149 //Backlight
wim 30:033048611c01 1150 DigitalOut *_bl;
wim 30:033048611c01 1151 };
wim 34:e5a0dcb43ecc 1152 #endif /* Native SPI bus */
wim 32:59c4b8f648d4 1153 //-------- End TextLCD_SPI_N_3_16 ----------
wim 34:e5a0dcb43ecc 1154
wim 30:033048611c01 1155
wim 32:59c4b8f648d4 1156 //------- Start TextLCD_SPI_N_3_24 ---------
wim 34:e5a0dcb43ecc 1157 #if(LCD_SPI_N_3_24 == 1) /* Native SPI bus */
wim 30:033048611c01 1158
wim 32:59c4b8f648d4 1159 /** Create a TextLCD interface using a controller with native SPI3 24 bits interface
wim 32:59c4b8f648d4 1160 * Note: lib uses SPI 8 bit mode
wim 30:033048611c01 1161 *
wim 30:033048611c01 1162 */
wim 32:59c4b8f648d4 1163 class TextLCD_SPI_N_3_24 : public TextLCD_Base {
wim 30:033048611c01 1164 public:
wim 32:59c4b8f648d4 1165 /** Create a TextLCD interface using a controller with native SPI3 24 bits interface
wim 32:59c4b8f648d4 1166 * Note: lib uses SPI 8 bit mode
wim 30:033048611c01 1167 *
wim 30:033048611c01 1168 * @param spi SPI Bus
wim 30:033048611c01 1169 * @param cs chip select pin (active low)
wim 30:033048611c01 1170 * @param type Sets the panel size/addressing mode (default = LCD16x2)
wim 30:033048611c01 1171 * @param bl Backlight control line (optional, default = NC)
wim 32:59c4b8f648d4 1172 * @param ctrl LCD controller (default = SSD1803)
wim 30:033048611c01 1173 */
wim 32:59c4b8f648d4 1174 TextLCD_SPI_N_3_24(SPI *spi, PinName cs, LCDType type = LCD16x2, PinName bl = NC, LCDCtrl ctrl = SSD1803_3V3);
wim 37:ce348c002929 1175
wim 37:ce348c002929 1176 /** Destruct a TextLCD interface using a controller with native SPI3_24 interface
wim 37:ce348c002929 1177 */
wim 32:59c4b8f648d4 1178 virtual ~TextLCD_SPI_N_3_24(void);
wim 30:033048611c01 1179
wim 30:033048611c01 1180 private:
wim 30:033048611c01 1181
wim 30:033048611c01 1182 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wim 30:033048611c01 1183 * Set the Enable pin.
wim 30:033048611c01 1184 */
wim 30:033048611c01 1185 virtual void _setEnable(bool value);
wim 30:033048611c01 1186
wim 30:033048611c01 1187 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wim 32:59c4b8f648d4 1188 * Set the RS pin (0 = Command, 1 = Data).
wim 30:033048611c01 1189 */
wim 30:033048611c01 1190 virtual void _setRS(bool value);
wim 30:033048611c01 1191
wim 30:033048611c01 1192 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wim 30:033048611c01 1193 * Set the BL pin (0 = Backlight Off, 1 = Backlight On).
wim 30:033048611c01 1194 */
wim 30:033048611c01 1195 virtual void _setBL(bool value);
wim 30:033048611c01 1196
wim 30:033048611c01 1197 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wim 30:033048611c01 1198 * Set the databus value (4 bit).
wim 30:033048611c01 1199 */
wim 30:033048611c01 1200 virtual void _setData(int value);
wim 30:033048611c01 1201
wim 30:033048611c01 1202 /** Low level writes to LCD serial bus only (serial native)
wim 30:033048611c01 1203 */
wim 30:033048611c01 1204 virtual void _writeByte(int value);
wim 30:033048611c01 1205
wim 30:033048611c01 1206 // SPI bus
wim 30:033048611c01 1207 SPI *_spi;
wim 30:033048611c01 1208 DigitalOut _cs;
wim 30:033048611c01 1209
wim 30:033048611c01 1210 // controlbyte to select between data and command. Internal value for serial bus only
wim 30:033048611c01 1211 char _controlbyte;
wim 30:033048611c01 1212
wim 30:033048611c01 1213 //Backlight
wim 30:033048611c01 1214 DigitalOut *_bl;
wim 30:033048611c01 1215 };
wim 34:e5a0dcb43ecc 1216 #endif /* Native SPI bus */
wim 32:59c4b8f648d4 1217 //-------- End TextLCD_SPI_N_3_24 ----------
wim 30:033048611c01 1218
wim 38:cbe275b0b647 1219
simon 1:ac48b187213c 1220 #endif