Christian Dupaty / TextLCD_chinese_version

C.Dupaty 03-2018 test on NUCLEO STM32-F411RE LCD 2x16, I2C interface Chinese model, adress I2C=0x4E (search on AliExpress for IIC/I2C 1602 Module) Important ! configure in TextLCD_Config.h : Valid only one of the lines : #define DFROBOT 0 // chinese OK #define YWROBOT 0 // chinese 0K #define SYDZ 1 // chinese OK Font is the same as http://www.farnell.com/datasheets/2362518.pdf

Fork of TextLCD by Wim Huiskamp

/* Hello World! for the TextLCD Enhanced Library C.Dupaty 03-2018 test on NUCLEO STM32-F411RE LCD 2x16, I2C interface Chinese model, adress I2C=0x4E (search on AliExpress for IIC/I2C 1602 Module) Important ! configure in TextLCD_Config.h : Valid only one of the lines :

  1. define DFROBOT 0 chinese OK
  2. define YWROBOT 0 chinese 0K
  3. define SYDZ 1 chinese OK Font is the same as http://www.farnell.com/datasheets/2362518.pdf
  • /

TextLCD.h@15:b70ebfffb258, 2013-02-19 (annotated)

Committer:
wim
Date:
Tue Feb 19 22:09:09 2013 +0000
Revision:
15:b70ebfffb258
Parent:
14:0c32b66b14b8
Child:
16:c276b75e6585
Working testversion for 40x4.; Fixed cursor problems.; Fixed UDC problems, always return to DD RAM.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
simon 1:ac48b187213c 1 /* mbed TextLCD Library, for a 4-bit LCD based on HD44780
simon 6:e4cb7ddee0d3 2 * Copyright (c) 2007-2010, sford, http://mbed.org
wim 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
simon 1:ac48b187213c 6 *
simon 1:ac48b187213c 7 * Permission is hereby granted, free of charge, to any person obtaining a copy
simon 1:ac48b187213c 8 * of this software and associated documentation files (the "Software"), to deal
simon 1:ac48b187213c 9 * in the Software without restriction, including without limitation the rights
simon 1:ac48b187213c 10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
simon 1:ac48b187213c 11 * copies of the Software, and to permit persons to whom the Software is
simon 1:ac48b187213c 12 * furnished to do so, subject to the following conditions:
simon 2:227356c7d12c 13 *
simon 1:ac48b187213c 14 * The above copyright notice and this permission notice shall be included in
simon 1:ac48b187213c 15 * all copies or substantial portions of the Software.
simon 2:227356c7d12c 16 *
simon 1:ac48b187213c 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
simon 1:ac48b187213c 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
simon 1:ac48b187213c 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
simon 1:ac48b187213c 20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
simon 1:ac48b187213c 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
simon 1:ac48b187213c 22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
simon 1:ac48b187213c 23 * THE SOFTWARE.
simon 1:ac48b187213c 24 */
simon 1:ac48b187213c 25
simon 1:ac48b187213c 26 #ifndef MBED_TEXTLCD_H
simon 1:ac48b187213c 27 #define MBED_TEXTLCD_H
simon 1:ac48b187213c 28
simon 1:ac48b187213c 29 #include "mbed.h"
simon 2:227356c7d12c 30
wim 15:b70ebfffb258 31
wim 15:b70ebfffb258 32 //Test Only
wim 15:b70ebfffb258 33 //#define LCD40x4Test 0
wim 15:b70ebfffb258 34 #define LCD40x4Test 1
wim 15:b70ebfffb258 35
simon 5:a53b3e2d6f1e 36 /** A TextLCD interface for driving 4-bit HD44780-based LCDs
simon 2:227356c7d12c 37 *
wim 15:b70ebfffb258 38 * Currently supports 8x1, 8x2, 12x4, 16x1, 16x2, 16x4, 20x2, 20x4, 24x2, 24x4 and 40x2 panels
simon 2:227356c7d12c 39 *
simon 2:227356c7d12c 40 * @code
simon 2:227356c7d12c 41 * #include "mbed.h"
simon 2:227356c7d12c 42 * #include "TextLCD.h"
simon 5:a53b3e2d6f1e 43 *
wim 15:b70ebfffb258 44 * TextLCD lcd(p15, p16, p17, p18, p19, p20); // RS, E, D4-D7, LCDType=LCD16x2
simon 5:a53b3e2d6f1e 45 *
simon 2:227356c7d12c 46 * int main() {
simon 2:227356c7d12c 47 * lcd.printf("Hello World!\n");
simon 2:227356c7d12c 48 * }
simon 2:227356c7d12c 49 * @endcode
simon 2:227356c7d12c 50 */
wim 8:03116f75b66e 51
wim 13:24506ba22480 52
wim 13:24506ba22480 53 //Pin Defines for I2C PCF8574 and SPI 74595 Bus
wim 13:24506ba22480 54 //LCD and serial portexpanders should be wired accordingly
wim 13:24506ba22480 55 //Note: LCD RW pin must be connected to GND
wim 15:b70ebfffb258 56 // E2 is used for LCD40x4 (second controller)
wim 13:24506ba22480 57 // BL may be used for future expansion to control backlight
wim 13:24506ba22480 58 //
wim 15:b70ebfffb258 59 #define D_LCD_PIN_D4 0
wim 15:b70ebfffb258 60 #define D_LCD_PIN_D5 1
wim 15:b70ebfffb258 61 #define D_LCD_PIN_D6 2
wim 15:b70ebfffb258 62 #define D_LCD_PIN_D7 3
wim 15:b70ebfffb258 63 #define D_LCD_PIN_RS 4
wim 15:b70ebfffb258 64 #define D_LCD_PIN_E 5
wim 15:b70ebfffb258 65 #define D_LCD_PIN_E2 6
wim 15:b70ebfffb258 66 #define D_LCD_PIN_BL 7
wim 13:24506ba22480 67
wim 13:24506ba22480 68 #define D_LCD_BUS_MSK 0x0F
wim 15:b70ebfffb258 69 #define D_LCD_BUS_DEF 0x00
wim 13:24506ba22480 70
wim 13:24506ba22480 71 //Bitpattern Defines for I2C PCF8574 and SPI 74595 Bus
wim 13:24506ba22480 72 //
wim 13:24506ba22480 73 #define D_LCD_D4 (1<<D_LCD_PIN_D4)
wim 13:24506ba22480 74 #define D_LCD_D5 (1<<D_LCD_PIN_D5)
wim 13:24506ba22480 75 #define D_LCD_D6 (1<<D_LCD_PIN_D6)
wim 13:24506ba22480 76 #define D_LCD_D7 (1<<D_LCD_PIN_D7)
wim 13:24506ba22480 77 #define D_LCD_RS (1<<D_LCD_PIN_RS)
wim 13:24506ba22480 78 #define D_LCD_E (1<<D_LCD_PIN_E)
wim 13:24506ba22480 79 #define D_LCD_E2 (1<<D_LCD_PIN_E2)
wim 13:24506ba22480 80 #define D_LCD_BL (1<<D_LCD_PIN_BL)
wim 13:24506ba22480 81
wim 13:24506ba22480 82
wim 13:24506ba22480 83
wim 13:24506ba22480 84 /** Some sample User Defined Chars 5x7 dots */
wim 11:9ec02df863a1 85 const char udc_ae[] = {0x00, 0x00, 0x1B, 0x05, 0x1F, 0x14, 0x1F, 0x00}; //æ
wim 11:9ec02df863a1 86 const char udc_0e[] = {0x00, 0x00, 0x0E, 0x13, 0x15, 0x19, 0x0E, 0x00}; //ø
wim 11:9ec02df863a1 87 const char udc_ao[] = {0x0E, 0x0A, 0x0E, 0x01, 0x0F, 0x11, 0x0F, 0x00}; //å
wim 11:9ec02df863a1 88 const char udc_AE[] = {0x0F, 0x14, 0x14, 0x1F, 0x14, 0x14, 0x17, 0x00}; //Æ
wim 11:9ec02df863a1 89 const char udc_0E[] = {0x0E, 0x13, 0x15, 0x15, 0x15, 0x19, 0x0E, 0x00}; //Ø
wim 11:9ec02df863a1 90 const char udc_AA[] = {0x0E, 0x0A, 0x0E, 0x11, 0x1F, 0x11, 0x11, 0x00}; //Å
wim 11:9ec02df863a1 91
wim 11:9ec02df863a1 92 const char udc_0[] = {0x18, 0x14, 0x12, 0x11, 0x12, 0x14, 0x18, 0x00}; // |>
wim 11:9ec02df863a1 93 const char udc_1[] = {0x03, 0x05, 0x09, 0x11, 0x09, 0x05, 0x03, 0x00}; // <|
wim 11:9ec02df863a1 94 const char udc_2[] = {0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x00}; // |
wim 11:9ec02df863a1 95 const char udc_3[] = {0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x00}; // ||
wim 11:9ec02df863a1 96 const char udc_4[] = {0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x00}; // |||
wim 11:9ec02df863a1 97 const char udc_5[] = {0x00, 0x1f, 0x00, 0x1f, 0x00, 0x1f, 0x00, 0x00}; // =
wim 11:9ec02df863a1 98 const char udc_6[] = {0x15, 0x0a, 0x15, 0x0a, 0x15, 0x0a, 0x15, 0x00}; // checkerboard
wim 11:9ec02df863a1 99 const char udc_7[] = {0x10, 0x08, 0x04, 0x02, 0x01, 0x00, 0x10, 0x00}; // \
wim 11:9ec02df863a1 100
wim 13:24506ba22480 101 const char udc_degr[] = {0x06, 0x09, 0x09, 0x06, 0x00, 0x00, 0x00, 0x00}; // Degree symbol
wim 13:24506ba22480 102
wim 13:24506ba22480 103 const char udc_TM_T[] = {0x1F, 0x04, 0x04, 0x04, 0x00, 0x00, 0x00, 0x00}; // Trademark T
wim 13:24506ba22480 104 const char udc_TM_M[] = {0x11, 0x1B, 0x15, 0x11, 0x00, 0x00, 0x00, 0x00}; // Trademark M
wim 13:24506ba22480 105
wim 13:24506ba22480 106 //const char udc_Bat_Hi[] = {0x0E, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x00}; // Battery Full
wim 13:24506ba22480 107 //const char udc_Bat_Ha[] = {0x0E, 0x11, 0x13, 0x17, 0x1F, 0x1F, 0x1F, 0x00}; // Battery Half
wim 13:24506ba22480 108 //const char udc_Bat_Lo[] = {0x0E, 0x11, 0x11, 0x11, 0x11, 0x11, 0x1F, 0x00}; // Battery Low
wim 13:24506ba22480 109 const char udc_Bat_Hi[] = {0x0E, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x00}; // Battery Full
wim 13:24506ba22480 110 const char udc_Bat_Ha[] = {0x0E, 0x11, 0x11, 0x1F, 0x1F, 0x1F, 0x1F, 0x00}; // Battery Half
wim 13:24506ba22480 111 const char udc_Bat_Lo[] = {0x0E, 0x11, 0x11, 0x11, 0x11, 0x1F, 0x1F, 0x00}; // Battery Low
wim 13:24506ba22480 112
wim 13:24506ba22480 113 const char udc_bar_1[] = {0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x00}; // Bar 1
wim 13:24506ba22480 114 const char udc_bar_2[] = {0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00}; // Bar 11
wim 13:24506ba22480 115 const char udc_bar_3[] = {0x1C, 0x1C, 0x1C, 0x1C, 0x1C, 0x1C, 0x1C, 0x00}; // Bar 111
wim 13:24506ba22480 116 const char udc_bar_4[] = {0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x00}; // Bar 1111
wim 13:24506ba22480 117 const char udc_bar_5[] = {0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x00}; // Bar 11111
wim 13:24506ba22480 118
wim 11:9ec02df863a1 119
wim 11:9ec02df863a1 120 /** A TextLCD interface for driving 4-bit HD44780-based LCDs
wim 11:9ec02df863a1 121 *
wim 15:b70ebfffb258 122 * Currently supports 8x1, 8x2, 12x4, 16x1, 16x2, 16x4, 20x2, 20x4, 24x2, 24x4, 40x2 and 40x4 panels
wim 11:9ec02df863a1 123 *
wim 11:9ec02df863a1 124 */
simon 1:ac48b187213c 125 class TextLCD : public Stream {
simon 1:ac48b187213c 126 public:
simon 1:ac48b187213c 127
simon 2:227356c7d12c 128 /** LCD panel format */
simon 1:ac48b187213c 129 enum LCDType {
wim 8:03116f75b66e 130 LCD8x1, /**< 8x1 LCD panel */
wim 13:24506ba22480 131 LCD8x2, /**< 8x2 LCD panel */
wim 15:b70ebfffb258 132 LCD12x2, /**< 12x2 LCD panel */
wim 15:b70ebfffb258 133 LCD12x4, /**< 12x4 LCD panel */
wim 13:24506ba22480 134 LCD16x1, /**< 16x1 LCD panel (actually 8x2) */
wim 8:03116f75b66e 135 LCD16x2, /**< 16x2 LCD panel (default) */
wim 8:03116f75b66e 136 LCD16x2B, /**< 16x2 LCD panel alternate addressing */
wim 8:03116f75b66e 137 LCD16x4, /**< 16x4 LCD panel */
wim 8:03116f75b66e 138 LCD20x2, /**< 20x2 LCD panel */
wim 8:03116f75b66e 139 LCD20x4, /**< 20x4 LCD panel */
wim 9:0893d986e717 140 LCD24x2, /**< 24x2 LCD panel */
wim 10:dd9b3a696acd 141 LCD24x4, /**< 24x4 LCD panel, special mode KS0078 */
wim 15:b70ebfffb258 142 LCD40x2, /**< 40x2 LCD panel */
wim 15:b70ebfffb258 143 LCD40x4 /**< 40x4 LCD panel, Two controller version */
simon 1:ac48b187213c 144 };
simon 1:ac48b187213c 145
wim 10:dd9b3a696acd 146 /** LCD Cursor control */
wim 10:dd9b3a696acd 147 enum LCDCursor {
wim 12:6bf9d9957d31 148 CurOff_BlkOff, /**< Cursor Off, Blinking Char Off */
wim 12:6bf9d9957d31 149 CurOn_BlkOff, /**< Cursor On, Blinking Char Off */
wim 12:6bf9d9957d31 150 CurOff_BlkOn, /**< Cursor Off, Blinking Char On */
wim 12:6bf9d9957d31 151 CurOn_BlkOn, /**< Cursor On, Blinking Char On */
wim 10:dd9b3a696acd 152 };
wim 10:dd9b3a696acd 153
wim 10:dd9b3a696acd 154
wim 15:b70ebfffb258 155 /** Create a TextLCD interface for using regular mbed pins
simon 2:227356c7d12c 156 *
simon 2:227356c7d12c 157 * @param rs Instruction/data control line
simon 2:227356c7d12c 158 * @param e Enable line (clock)
simon 7:44f34c09bd37 159 * @param d4-d7 Data lines for using as a 4-bit interface
simon 2:227356c7d12c 160 * @param type Sets the panel size/addressing mode (default = LCD16x2)
wim 15:b70ebfffb258 161 * @param e2 Enable2 line (clock for second controller, LCD40x4 only)
simon 2:227356c7d12c 162 */
wim 15:b70ebfffb258 163 TextLCD(PinName rs, PinName e, PinName d4, PinName d5, PinName d6, PinName d7, LCDType type = LCD16x2, PinName e2 = NC);
wim 13:24506ba22480 164
wim 13:24506ba22480 165 /** Create a TextLCD interface using an I2C PC8574 portexpander
wim 13:24506ba22480 166 *
wim 13:24506ba22480 167 * @param i2c I2C Bus
wim 13:24506ba22480 168 * @param deviceAddress I2C slave address (PCF8574)
wim 13:24506ba22480 169 * @param type Sets the panel size/addressing mode (default = LCD16x2)
wim 13:24506ba22480 170 */
wim 13:24506ba22480 171 TextLCD(I2C *i2c, char deviceAddress, LCDType type = LCD16x2);
wim 13:24506ba22480 172
wim 13:24506ba22480 173
wim 13:24506ba22480 174 /** Create a TextLCD interface using an SPI 74595 portexpander
wim 13:24506ba22480 175 *
wim 13:24506ba22480 176 * @param spi SPI Bus
wim 13:24506ba22480 177 * @param cs chip select pin (active low)
wim 13:24506ba22480 178 * @param type Sets the panel size/addressing mode (default = LCD16x2)
wim 13:24506ba22480 179 */
wim 14:0c32b66b14b8 180 TextLCD(SPI *spi, PinName cs, LCDType type = LCD16x2);
wim 13:24506ba22480 181
simon 2:227356c7d12c 182
simon 2:227356c7d12c 183 #if DOXYGEN_ONLY
simon 2:227356c7d12c 184 /** Write a character to the LCD
simon 2:227356c7d12c 185 *
simon 2:227356c7d12c 186 * @param c The character to write to the display
simon 2:227356c7d12c 187 */
simon 2:227356c7d12c 188 int putc(int c);
simon 2:227356c7d12c 189
simon 2:227356c7d12c 190 /** Write a formated string to the LCD
simon 2:227356c7d12c 191 *
simon 2:227356c7d12c 192 * @param format A printf-style format string, followed by the
simon 2:227356c7d12c 193 * variables to use in formating the string.
simon 2:227356c7d12c 194 */
simon 2:227356c7d12c 195 int printf(const char* format, ...);
simon 2:227356c7d12c 196 #endif
simon 2:227356c7d12c 197
simon 2:227356c7d12c 198 /** Locate to a screen column and row
simon 2:227356c7d12c 199 *
simon 2:227356c7d12c 200 * @param column The horizontal position from the left, indexed from 0
simon 2:227356c7d12c 201 * @param row The vertical position from the top, indexed from 0
simon 2:227356c7d12c 202 */
simon 1:ac48b187213c 203 void locate(int column, int row);
simon 2:227356c7d12c 204
wim 10:dd9b3a696acd 205
wim 10:dd9b3a696acd 206 /** Return the memoryaddress of screen column and row location
wim 10:dd9b3a696acd 207 *
wim 10:dd9b3a696acd 208 * @param column The horizontal position from the left, indexed from 0
wim 10:dd9b3a696acd 209 * @param row The vertical position from the top, indexed from 0
wim 10:dd9b3a696acd 210 * @param return The memoryaddress of screen column and row location
wim 10:dd9b3a696acd 211 */
wim 9:0893d986e717 212 int getAddress(int column, int row);
wim 10:dd9b3a696acd 213
wim 10:dd9b3a696acd 214
wim 10:dd9b3a696acd 215 /** Set the memoryaddress of screen column and row location
wim 10:dd9b3a696acd 216 *
wim 10:dd9b3a696acd 217 * @param column The horizontal position from the left, indexed from 0
wim 10:dd9b3a696acd 218 * @param row The vertical position from the top, indexed from 0
wim 10:dd9b3a696acd 219 */
wim 9:0893d986e717 220 void setAddress(int column, int row);
wim 9:0893d986e717 221
wim 10:dd9b3a696acd 222
simon 2:227356c7d12c 223 /** Clear the screen and locate to 0,0 */
simon 1:ac48b187213c 224 void cls();
simon 2:227356c7d12c 225
wim 10:dd9b3a696acd 226 /** Return the number of rows
wim 10:dd9b3a696acd 227 *
wim 10:dd9b3a696acd 228 * @param return The number of rows
wim 10:dd9b3a696acd 229 */
simon 1:ac48b187213c 230 int rows();
wim 10:dd9b3a696acd 231
wim 10:dd9b3a696acd 232 /** Return the number of columns
wim 10:dd9b3a696acd 233 *
wim 10:dd9b3a696acd 234 * @param return The number of columns
wim 10:dd9b3a696acd 235 */
wim 10:dd9b3a696acd 236 int columns();
simon 2:227356c7d12c 237
wim 11:9ec02df863a1 238 /** Set the Cursormode
wim 11:9ec02df863a1 239 *
wim 11:9ec02df863a1 240 * @param show The Cursor mode (CurOff_BlkOff, CurOn_BlkOff, CurOff_BlkOn, CurOn_BlkOn)
wim 11:9ec02df863a1 241 */
wim 13:24506ba22480 242 void setCursor(LCDCursor show);
wim 11:9ec02df863a1 243
wim 11:9ec02df863a1 244
wim 11:9ec02df863a1 245 /** Set User Defined Characters
wim 11:9ec02df863a1 246 *
wim 11:9ec02df863a1 247 * @param unsigned char c The Index of the UDC (0..7)
wim 12:6bf9d9957d31 248 * @param char *udc_data The bitpatterns for the UDC (8 bytes of 5 significant bits)
wim 11:9ec02df863a1 249 */
wim 11:9ec02df863a1 250 void setUDC(unsigned char c, char *udc_data);
wim 11:9ec02df863a1 251
simon 1:ac48b187213c 252 protected:
wim 14:0c32b66b14b8 253 /* LCD Bus control */
wim 13:24506ba22480 254 enum _LCDBus {
wim 14:0c32b66b14b8 255 _PinBus, /*< Regular mbed pins */
wim 14:0c32b66b14b8 256 _I2CBus, /*< I2C PCF8574 Portexpander */
wim 15:b70ebfffb258 257 _SPIBus /*< SPI 74595 Shiftregister */
wim 13:24506ba22480 258 };
wim 13:24506ba22480 259
wim 15:b70ebfffb258 260 /* LCD controller select, mainly used for LCD40x4 */
wim 15:b70ebfffb258 261 enum _LCDCtrl {
wim 15:b70ebfffb258 262 _LCDCtrl_0, /*< Primary */
wim 15:b70ebfffb258 263 _LCDCtrl_1, /*< Secondary */
wim 15:b70ebfffb258 264 };
wim 15:b70ebfffb258 265
simon 1:ac48b187213c 266 // Stream implementation functions
simon 1:ac48b187213c 267 virtual int _putc(int value);
simon 1:ac48b187213c 268 virtual int _getc();
simon 1:ac48b187213c 269
wim 15:b70ebfffb258 270 //Low level methods for LCD controller
wim 13:24506ba22480 271 void _init();
wim 15:b70ebfffb258 272 void _initCtrl();
wim 13:24506ba22480 273 int _address(int column, int row);
wim 13:24506ba22480 274 void _character(int column, int row, int c);
wim 15:b70ebfffb258 275 void _setCursor(TextLCD::LCDCursor show);
wim 15:b70ebfffb258 276 void _setUDC(unsigned char c, char *udc_data);
wim 13:24506ba22480 277
wim 15:b70ebfffb258 278 //Low level write operations to LCD controller
wim 15:b70ebfffb258 279 void _writeByte(int value);
wim 15:b70ebfffb258 280 void _writeCommand(int command);
wim 15:b70ebfffb258 281 void _writeData(int data);
wim 15:b70ebfffb258 282
wim 13:24506ba22480 283 //Low level writes to LCD Bus (serial or parallel)
wim 13:24506ba22480 284 void _setEnable(bool value);
wim 13:24506ba22480 285 void _setRS(bool value);
wim 13:24506ba22480 286 void _setData(int value);
wim 14:0c32b66b14b8 287 void _setCS(bool value);
wim 14:0c32b66b14b8 288
wim 13:24506ba22480 289 //Low level writes to LCD serial bus only
wim 13:24506ba22480 290 void _writeBus();
wim 13:24506ba22480 291
wim 13:24506ba22480 292
wim 13:24506ba22480 293 // Regular mbed pins bus
wim 15:b70ebfffb258 294 DigitalOut _rs, _e, _e2;
simon 1:ac48b187213c 295 BusOut _d;
wim 13:24506ba22480 296
wim 13:24506ba22480 297 // I2C bus
wim 13:24506ba22480 298 I2C *_i2c;
wim 13:24506ba22480 299 unsigned char _slaveAddress;
wim 13:24506ba22480 300
wim 13:24506ba22480 301 // SPI bus
wim 14:0c32b66b14b8 302 SPI *_spi;
wim 14:0c32b66b14b8 303 DigitalOut _cs;
wim 13:24506ba22480 304
wim 13:24506ba22480 305 //Bus Interface type
wim 13:24506ba22480 306 _LCDBus _busType;
wim 13:24506ba22480 307
wim 15:b70ebfffb258 308 // Internal bus mirror value for serial bus only
wim 13:24506ba22480 309 char _lcd_bus;
wim 13:24506ba22480 310
wim 13:24506ba22480 311 //Display type
simon 1:ac48b187213c 312 LCDType _type;
simon 1:ac48b187213c 313
wim 15:b70ebfffb258 314 //Controller select, mainly used for LCD40x4
wim 15:b70ebfffb258 315 _LCDCtrl _ctrl;
wim 15:b70ebfffb258 316
wim 13:24506ba22480 317 // Cursor
simon 1:ac48b187213c 318 int _column;
simon 1:ac48b187213c 319 int _row;
wim 15:b70ebfffb258 320 LCDCursor _currentCursor;
simon 1:ac48b187213c 321 };
simon 1:ac48b187213c 322
simon 1:ac48b187213c 323 #endif