vmh

Dependencies:   mbed

Committer:
wonner163
Date:
Mon Dec 11 08:43:44 2017 +0000
Revision:
0:4562b55bbb43
12

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wonner163 0:4562b55bbb43 1 /* mbed TextLCD Library, for a 4-bit LCD based on HD44780
wonner163 0:4562b55bbb43 2 * Copyright (c) 2007-2010, sford, http://mbed.org
wonner163 0:4562b55bbb43 3 * 2013, v01: WH, Added LCD types, fixed LCD address issues, added Cursor and UDCs
wonner163 0:4562b55bbb43 4 * 2013, v02: WH, Added I2C and SPI bus interfaces
wonner163 0:4562b55bbb43 5 * 2013, v03: WH, Added support for LCD40x4 which uses 2 controllers
wonner163 0:4562b55bbb43 6 * 2013, v04: WH, Added support for Display On/Off, improved 4bit bootprocess
wonner163 0:4562b55bbb43 7 * 2013, v05: WH, Added support for 8x2B, added some UDCs
wonner163 0:4562b55bbb43 8 * 2013, v06: WH, Added support for devices that use internal DC/DC converters
wonner163 0:4562b55bbb43 9 * 2013, v07: WH, Added support for backlight and include portdefinitions for LCD2004 Module from DFROBOT
wonner163 0:4562b55bbb43 10 * 2014, v08: WH, Refactored in Base and Derived Classes to deal with mbed lib change regarding 'NC' defined DigitalOut pins
wonner163 0:4562b55bbb43 11 * 2014, v09: WH/EO, Added Class for Native SPI controllers such as ST7032
wonner163 0:4562b55bbb43 12 * 2014, v10: WH, Added Class for Native I2C controllers such as ST7032i, Added support for MCP23008 I2C portexpander, Added support for Adafruit module
wonner163 0:4562b55bbb43 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
wonner163 0:4562b55bbb43 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)
wonner163 0:4562b55bbb43 15 * 2014, v13: WH, Added support for controllers US2066/SSD1311 (OLED), added setUDCBlink method for supported devices (eg SSD1803), fixed issue in setPower()
wonner163 0:4562b55bbb43 16 *@Todo Add AC780S/KS0066i
wonner163 0:4562b55bbb43 17 *
wonner163 0:4562b55bbb43 18 * Permission is hereby granted, free of charge, to any person obtaining a copy
wonner163 0:4562b55bbb43 19 * of this software and associated documentation files (the "Software"), to deal
wonner163 0:4562b55bbb43 20 * in the Software without restriction, including without limitation the rights
wonner163 0:4562b55bbb43 21 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
wonner163 0:4562b55bbb43 22 * copies of the Software, and to permit persons to whom the Software is
wonner163 0:4562b55bbb43 23 * furnished to do so, subject to the following conditions:
wonner163 0:4562b55bbb43 24 *
wonner163 0:4562b55bbb43 25 * The above copyright notice and this permission notice shall be included in
wonner163 0:4562b55bbb43 26 * all copies or substantial portions of the Software.
wonner163 0:4562b55bbb43 27 *
wonner163 0:4562b55bbb43 28 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
wonner163 0:4562b55bbb43 29 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
wonner163 0:4562b55bbb43 30 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
wonner163 0:4562b55bbb43 31 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
wonner163 0:4562b55bbb43 32 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
wonner163 0:4562b55bbb43 33 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
wonner163 0:4562b55bbb43 34 * THE SOFTWARE.
wonner163 0:4562b55bbb43 35 */
wonner163 0:4562b55bbb43 36
wonner163 0:4562b55bbb43 37 #ifndef MBED_TEXTLCD_H
wonner163 0:4562b55bbb43 38 #define MBED_TEXTLCD_H
wonner163 0:4562b55bbb43 39
wonner163 0:4562b55bbb43 40 #include "mbed.h"
wonner163 0:4562b55bbb43 41
wonner163 0:4562b55bbb43 42 /** A TextLCD interface for driving 4-bit HD44780-based LCDs
wonner163 0:4562b55bbb43 43 *
wonner163 0:4562b55bbb43 44 * Currently supports 8x1, 8x2, 12x3, 12x4, 16x1, 16x2, 16x3, 16x4, 20x2, 20x4, 24x1, 24x2, 24x4, 40x2 and 40x4 panels
wonner163 0:4562b55bbb43 45 * Interface options include direct mbed pins, I2C portexpander (PCF8474/PCF8574A or MCP23008) or SPI bus shiftregister (74595).
wonner163 0:4562b55bbb43 46 * Supports some controllers with native I2C or SP interface. Supports some controllers that provide internal DC/DC converters for VLCD or VLED.
wonner163 0:4562b55bbb43 47 *
wonner163 0:4562b55bbb43 48 * @code
wonner163 0:4562b55bbb43 49 * #include "mbed.h"
wonner163 0:4562b55bbb43 50 * #include "TextLCD.h"
wonner163 0:4562b55bbb43 51 *
wonner163 0:4562b55bbb43 52 * // I2C Communication
wonner163 0:4562b55bbb43 53 * I2C i2c_lcd(p28,p27); // SDA, SCL
wonner163 0:4562b55bbb43 54 *
wonner163 0:4562b55bbb43 55 * // SPI Communication
wonner163 0:4562b55bbb43 56 * SPI spi_lcd(p5, NC, p7); // MOSI, MISO, SCLK
wonner163 0:4562b55bbb43 57 *
wonner163 0:4562b55bbb43 58 * //TextLCD lcd(p15, p16, p17, p18, p19, p20); // RS, E, D4-D7, LCDType=LCD16x2, BL=NC, E2=NC, LCDTCtrl=HD44780
wonner163 0:4562b55bbb43 59 * //TextLCD_SPI lcd(&spi_lcd, p8, TextLCD::LCD40x4); // SPI bus, 74595 expander, CS pin, LCD Type
wonner163 0:4562b55bbb43 60 * TextLCD_I2C lcd(&i2c_lcd, 0x42, TextLCD::LCD20x4); // I2C bus, PCF8574 Slaveaddress, LCD Type
wonner163 0:4562b55bbb43 61 * //TextLCD_I2C lcd(&i2c_lcd, 0x42, TextLCD::LCD16x2, TextLCD::WS0010); // I2C bus, PCF8574 Slaveaddress, LCD Type, Device Type
wonner163 0:4562b55bbb43 62 * //TextLCD_SPI_N lcd(&spi_lcd, p8, p9); // SPI bus, CS pin, RS pin, LCDType=LCD16x2, BL=NC, LCDTCtrl=ST7032_3V3
wonner163 0:4562b55bbb43 63 * //TextLCD_I2C_N lcd(&i2c_lcd, ST7032_SA, TextLCD::LCD16x2, NC, TextLCD::ST7032_3V3); // I2C bus, Slaveaddress, LCD Type, BL=NC, LCDTCtrl=ST7032_3V3
wonner163 0:4562b55bbb43 64 *
wonner163 0:4562b55bbb43 65 * int main() {
wonner163 0:4562b55bbb43 66 * lcd.printf("Hello World!\n");
wonner163 0:4562b55bbb43 67 * }
wonner163 0:4562b55bbb43 68 * @endcode
wonner163 0:4562b55bbb43 69 */
wonner163 0:4562b55bbb43 70
wonner163 0:4562b55bbb43 71
wonner163 0:4562b55bbb43 72 //Pin Defines for I2C PCF8574/PCF8574A or MCP23008 and SPI 74595 bus expander interfaces
wonner163 0:4562b55bbb43 73 //LCD and serial portexpanders should be wired accordingly
wonner163 0:4562b55bbb43 74 //
wonner163 0:4562b55bbb43 75 //Select Hardware module (one option only)
wonner163 0:4562b55bbb43 76 #define DEFAULT 0
wonner163 0:4562b55bbb43 77 #define ADAFRUIT 0
wonner163 0:4562b55bbb43 78 #define DFROBOT 1
wonner163 0:4562b55bbb43 79
wonner163 0:4562b55bbb43 80 #if (DEFAULT==1)
wonner163 0:4562b55bbb43 81 //Definitions for default (WH) mapping between serial port expander pins and LCD controller
wonner163 0:4562b55bbb43 82 //This hardware supports the I2C bus expander (PCF8574/PCF8574A or MCP23008) and SPI bus expander (74595) interfaces
wonner163 0:4562b55bbb43 83 //See https://mbed.org/cookbook/Text-LCD-Enhanced
wonner163 0:4562b55bbb43 84 //
wonner163 0:4562b55bbb43 85 //Note: LCD RW pin must be connected to GND
wonner163 0:4562b55bbb43 86 // E2 is used for LCD40x4 (second controller)
wonner163 0:4562b55bbb43 87 // BL may be used to control backlight
wonner163 0:4562b55bbb43 88 #define D_LCD_PIN_D4 0
wonner163 0:4562b55bbb43 89 #define D_LCD_PIN_D5 1
wonner163 0:4562b55bbb43 90 #define D_LCD_PIN_D6 2
wonner163 0:4562b55bbb43 91 #define D_LCD_PIN_D7 3
wonner163 0:4562b55bbb43 92 #define D_LCD_PIN_RS 4
wonner163 0:4562b55bbb43 93 #define D_LCD_PIN_E 5
wonner163 0:4562b55bbb43 94 #define D_LCD_PIN_E2 6
wonner163 0:4562b55bbb43 95 #define D_LCD_PIN_BL 7
wonner163 0:4562b55bbb43 96
wonner163 0:4562b55bbb43 97 #define D_LCD_PIN_RW D_LCD_PIN_E2
wonner163 0:4562b55bbb43 98
wonner163 0:4562b55bbb43 99 //Select I2C Portexpander type (one option only)
wonner163 0:4562b55bbb43 100 #define PCF8574 1
wonner163 0:4562b55bbb43 101 #define MCP23008 0
wonner163 0:4562b55bbb43 102 #endif
wonner163 0:4562b55bbb43 103
wonner163 0:4562b55bbb43 104 #if (ADAFRUIT==1)
wonner163 0:4562b55bbb43 105 //Definitions for Adafruit i2cspilcdbackpack mapping between serial port expander pins and LCD controller
wonner163 0:4562b55bbb43 106 //This hardware supports both an I2C expander (MCP23008) and an SPI expander (74595) selectable by a jumper.
wonner163 0:4562b55bbb43 107 //See http://www.ladyada.net/products/i2cspilcdbackpack
wonner163 0:4562b55bbb43 108 //
wonner163 0:4562b55bbb43 109 //Note: LCD RW pin must be kept LOW
wonner163 0:4562b55bbb43 110 // E2 is not available on this hardware and so it does not support LCD40x4 (second controller)
wonner163 0:4562b55bbb43 111 // BL is used to control backlight
wonner163 0:4562b55bbb43 112 #define D_LCD_PIN_0 0
wonner163 0:4562b55bbb43 113 #define D_LCD_PIN_RS 1
wonner163 0:4562b55bbb43 114 #define D_LCD_PIN_E 2
wonner163 0:4562b55bbb43 115 #define D_LCD_PIN_D4 3
wonner163 0:4562b55bbb43 116 #define D_LCD_PIN_D5 4
wonner163 0:4562b55bbb43 117 #define D_LCD_PIN_D6 5
wonner163 0:4562b55bbb43 118 #define D_LCD_PIN_D7 6
wonner163 0:4562b55bbb43 119 #define D_LCD_PIN_BL 7
wonner163 0:4562b55bbb43 120
wonner163 0:4562b55bbb43 121 #define D_LCD_PIN_E2 D_LCD_PIN_0
wonner163 0:4562b55bbb43 122
wonner163 0:4562b55bbb43 123 //Force I2C portexpander type
wonner163 0:4562b55bbb43 124 #define PCF8574 0
wonner163 0:4562b55bbb43 125 #define MCP23008 1
wonner163 0:4562b55bbb43 126 #endif
wonner163 0:4562b55bbb43 127
wonner163 0:4562b55bbb43 128 #if (DFROBOT==1)
wonner163 0:4562b55bbb43 129 //Definitions for DFROBOT LCD2004 Module mapping between serial port expander pins and LCD controller
wonner163 0:4562b55bbb43 130 //This hardware uses PCF8574 and is different from earlier/different Arduino I2C LCD displays
wonner163 0:4562b55bbb43 131 //See http://arduino-info.wikispaces.com/LCD-Blue-I2C
wonner163 0:4562b55bbb43 132 //
wonner163 0:4562b55bbb43 133 //Note: LCD RW pin must be kept LOW
wonner163 0:4562b55bbb43 134 // E2 is not available on default Arduino hardware and so it does not support LCD40x4 (second controller)
wonner163 0:4562b55bbb43 135 // BL is used to control backlight, reverse logic: Low turns on Backlight. This is handled in setBacklight()
wonner163 0:4562b55bbb43 136 #define D_LCD_PIN_RS 0
wonner163 0:4562b55bbb43 137 #define D_LCD_PIN_RW 1
wonner163 0:4562b55bbb43 138 #define D_LCD_PIN_E 2
wonner163 0:4562b55bbb43 139 #define D_LCD_PIN_BL 3
wonner163 0:4562b55bbb43 140 #define D_LCD_PIN_D4 4
wonner163 0:4562b55bbb43 141 #define D_LCD_PIN_D5 5
wonner163 0:4562b55bbb43 142 #define D_LCD_PIN_D6 6
wonner163 0:4562b55bbb43 143 #define D_LCD_PIN_D7 7
wonner163 0:4562b55bbb43 144
wonner163 0:4562b55bbb43 145 #define D_LCD_PIN_E2 D_LCD_PIN_RW
wonner163 0:4562b55bbb43 146
wonner163 0:4562b55bbb43 147 //Force I2C portexpander type
wonner163 0:4562b55bbb43 148 #define PCF8574 1
wonner163 0:4562b55bbb43 149 #define MCP23008 0
wonner163 0:4562b55bbb43 150 #endif
wonner163 0:4562b55bbb43 151
wonner163 0:4562b55bbb43 152 //Bitpattern Defines for I2C PCF8574/PCF8574A, MCP23008 and SPI 74595 Bus expanders
wonner163 0:4562b55bbb43 153 //
wonner163 0:4562b55bbb43 154 #define D_LCD_D4 (1<<D_LCD_PIN_D4)
wonner163 0:4562b55bbb43 155 #define D_LCD_D5 (1<<D_LCD_PIN_D5)
wonner163 0:4562b55bbb43 156 #define D_LCD_D6 (1<<D_LCD_PIN_D6)
wonner163 0:4562b55bbb43 157 #define D_LCD_D7 (1<<D_LCD_PIN_D7)
wonner163 0:4562b55bbb43 158 #define D_LCD_RS (1<<D_LCD_PIN_RS)
wonner163 0:4562b55bbb43 159 #define D_LCD_E (1<<D_LCD_PIN_E)
wonner163 0:4562b55bbb43 160 #define D_LCD_E2 (1<<D_LCD_PIN_E2)
wonner163 0:4562b55bbb43 161 #define D_LCD_BL (1<<D_LCD_PIN_BL)
wonner163 0:4562b55bbb43 162 //#define D_LCD_RW (1<<D_LCD_PIN_RW)
wonner163 0:4562b55bbb43 163
wonner163 0:4562b55bbb43 164 #define D_LCD_BUS_MSK (D_LCD_D4 | D_LCD_D5 | D_LCD_D6 | D_LCD_D7)
wonner163 0:4562b55bbb43 165 #define D_LCD_BUS_DEF 0x00
wonner163 0:4562b55bbb43 166
wonner163 0:4562b55bbb43 167 /* PCF8574/PCF8574A I2C portexpander slave address */
wonner163 0:4562b55bbb43 168 #define PCF8574_SA0 0x40
wonner163 0:4562b55bbb43 169 #define PCF8574_SA1 0x42
wonner163 0:4562b55bbb43 170 #define PCF8574_SA2 0x44
wonner163 0:4562b55bbb43 171 #define PCF8574_SA3 0x46
wonner163 0:4562b55bbb43 172 #define PCF8574_SA4 0x48
wonner163 0:4562b55bbb43 173 #define PCF8574_SA5 0x4A
wonner163 0:4562b55bbb43 174 #define PCF8574_SA6 0x4C
wonner163 0:4562b55bbb43 175 #define PCF8574_SA7 0x4E
wonner163 0:4562b55bbb43 176
wonner163 0:4562b55bbb43 177 #define PCF8574A_SA0 0x70
wonner163 0:4562b55bbb43 178 #define PCF8574A_SA1 0x72
wonner163 0:4562b55bbb43 179 #define PCF8574A_SA2 0x74
wonner163 0:4562b55bbb43 180 #define PCF8574A_SA3 0x76
wonner163 0:4562b55bbb43 181 #define PCF8574A_SA4 0x78
wonner163 0:4562b55bbb43 182 #define PCF8574A_SA5 0x7A
wonner163 0:4562b55bbb43 183 #define PCF8574A_SA6 0x7C
wonner163 0:4562b55bbb43 184 #define PCF8574A_SA7 0x7E
wonner163 0:4562b55bbb43 185
wonner163 0:4562b55bbb43 186 /* MCP23008 I2C portexpander slave address */
wonner163 0:4562b55bbb43 187 #define MCP23008_SA0 0x40
wonner163 0:4562b55bbb43 188 #define MCP23008_SA1 0x42
wonner163 0:4562b55bbb43 189 #define MCP23008_SA2 0x44
wonner163 0:4562b55bbb43 190 #define MCP23008_SA3 0x46
wonner163 0:4562b55bbb43 191 #define MCP23008_SA4 0x48
wonner163 0:4562b55bbb43 192 #define MCP23008_SA5 0x4A
wonner163 0:4562b55bbb43 193 #define MCP23008_SA6 0x4C
wonner163 0:4562b55bbb43 194 #define MCP23008_SA7 0x4E
wonner163 0:4562b55bbb43 195
wonner163 0:4562b55bbb43 196 /* MCP23008 I2C portexpander internal registers */
wonner163 0:4562b55bbb43 197 #define IODIR 0x00
wonner163 0:4562b55bbb43 198 #define IPOL 0x01
wonner163 0:4562b55bbb43 199 #define GPINTEN 0x02
wonner163 0:4562b55bbb43 200 #define DEFVAL 0x03
wonner163 0:4562b55bbb43 201 #define INTCON 0x04
wonner163 0:4562b55bbb43 202 #define IOCON 0x05
wonner163 0:4562b55bbb43 203 #define GPPU 0x06
wonner163 0:4562b55bbb43 204 #define INTF 0x07
wonner163 0:4562b55bbb43 205 #define INTCAP 0x08
wonner163 0:4562b55bbb43 206 #define GPIO 0x09
wonner163 0:4562b55bbb43 207 #define OLAT 0x0A
wonner163 0:4562b55bbb43 208
wonner163 0:4562b55bbb43 209
wonner163 0:4562b55bbb43 210 /* ST7032i I2C slave address */
wonner163 0:4562b55bbb43 211 #define ST7032_SA 0x7C
wonner163 0:4562b55bbb43 212
wonner163 0:4562b55bbb43 213 /* ST7036i I2C slave address */
wonner163 0:4562b55bbb43 214 #define ST7036_SA0 0x78
wonner163 0:4562b55bbb43 215 #define ST7036_SA1 0x7A
wonner163 0:4562b55bbb43 216 #define ST7036_SA2 0x7C
wonner163 0:4562b55bbb43 217 #define ST7036_SA3 0x7E
wonner163 0:4562b55bbb43 218
wonner163 0:4562b55bbb43 219 /* PCF21XX I2C slave address */
wonner163 0:4562b55bbb43 220 #define PCF21XX_SA0 0x74
wonner163 0:4562b55bbb43 221 #define PCF21XX_SA1 0x76
wonner163 0:4562b55bbb43 222
wonner163 0:4562b55bbb43 223 /* AIP31068 I2C slave address */
wonner163 0:4562b55bbb43 224 #define AIP31068_SA 0x7C
wonner163 0:4562b55bbb43 225
wonner163 0:4562b55bbb43 226 /* SSD1803 I2C slave address */
wonner163 0:4562b55bbb43 227 #define SSD1803_SA0 0x78
wonner163 0:4562b55bbb43 228 #define SSD1803_SA1 0x7A
wonner163 0:4562b55bbb43 229
wonner163 0:4562b55bbb43 230 /* US2066/SSD1311 I2C slave address */
wonner163 0:4562b55bbb43 231 #define US2066_SA0 0x78
wonner163 0:4562b55bbb43 232 #define US2066_SA1 0x7A
wonner163 0:4562b55bbb43 233
wonner163 0:4562b55bbb43 234 /* AC780 I2C slave address */
wonner163 0:4562b55bbb43 235 #define AC780_SA0 0x78
wonner163 0:4562b55bbb43 236 #define AC780_SA1 0x7A
wonner163 0:4562b55bbb43 237 #define AC780_SA2 0x7C
wonner163 0:4562b55bbb43 238 #define AC780_SA3 0x7E
wonner163 0:4562b55bbb43 239
wonner163 0:4562b55bbb43 240 //Some native I2C controllers dont support ACK. Set define to '0' to allow code to proceed even without ACK
wonner163 0:4562b55bbb43 241 //#define LCD_I2C_ACK 0
wonner163 0:4562b55bbb43 242 #define LCD_I2C_ACK 1
wonner163 0:4562b55bbb43 243
wonner163 0:4562b55bbb43 244 /* LCD Type information on Rows, Columns and Variant. This information is encoded in
wonner163 0:4562b55bbb43 245 * an int and used for the LCDType enumerators in order to simplify code maintenance */
wonner163 0:4562b55bbb43 246 // Columns encoded in b7..b0
wonner163 0:4562b55bbb43 247 #define LCD_T_COL_MSK 0x000000FF
wonner163 0:4562b55bbb43 248 #define LCD_T_C6 0x00000006
wonner163 0:4562b55bbb43 249 #define LCD_T_C8 0x00000008
wonner163 0:4562b55bbb43 250 #define LCD_T_C10 0x0000000A
wonner163 0:4562b55bbb43 251 #define LCD_T_C12 0x0000000C
wonner163 0:4562b55bbb43 252 #define LCD_T_C16 0x00000010
wonner163 0:4562b55bbb43 253 #define LCD_T_C20 0x00000014
wonner163 0:4562b55bbb43 254 #define LCD_T_C24 0x00000018
wonner163 0:4562b55bbb43 255 #define LCD_T_C32 0x00000020
wonner163 0:4562b55bbb43 256 #define LCD_T_C40 0x00000028
wonner163 0:4562b55bbb43 257
wonner163 0:4562b55bbb43 258 // Rows encoded in b15..b8
wonner163 0:4562b55bbb43 259 #define LCD_T_ROW_MSK 0x0000FF00
wonner163 0:4562b55bbb43 260 #define LCD_T_R1 0x00000100
wonner163 0:4562b55bbb43 261 #define LCD_T_R2 0x00000200
wonner163 0:4562b55bbb43 262 #define LCD_T_R3 0x00000300
wonner163 0:4562b55bbb43 263 #define LCD_T_R4 0x00000400
wonner163 0:4562b55bbb43 264
wonner163 0:4562b55bbb43 265 // Addressing mode encoded in b19..b16
wonner163 0:4562b55bbb43 266 #define LCD_T_ADR_MSK 0x000F0000
wonner163 0:4562b55bbb43 267 #define LCD_T_A 0x00000000 /*Mode A Default 1, 2 or 4 line display */
wonner163 0:4562b55bbb43 268 #define LCD_T_B 0x00010000 /*Mode B, Alternate 8x2 (actually 16x1 display) */
wonner163 0:4562b55bbb43 269 #define LCD_T_C 0x00020000 /*Mode C, Alternate 16x1 (actually 8x2 display) */
wonner163 0:4562b55bbb43 270 #define LCD_T_D 0x00030000 /*Mode D, Alternate 3 or 4 line display (12x4, 20x4, 24x4) */
wonner163 0:4562b55bbb43 271 #define LCD_T_D1 0x00040000 /*Mode D1, Alternate 3 out of 4 line display (12x3, 20x3, 24x3) */
wonner163 0:4562b55bbb43 272 #define LCD_T_E 0x00050000 /*Mode E, 40x4 display (actually two 40x2) */
wonner163 0:4562b55bbb43 273 #define LCD_T_F 0x00060000 /*Mode F, 16x3 display (actually 24x2) */
wonner163 0:4562b55bbb43 274 #define LCD_T_G 0x00070000 /*Mode G, 16x3 display */
wonner163 0:4562b55bbb43 275
wonner163 0:4562b55bbb43 276 /* LCD Ctrl information on interface support and features. This information is encoded in
wonner163 0:4562b55bbb43 277 * an int and used for the LCDCtrl enumerators in order to simplify code maintenance */
wonner163 0:4562b55bbb43 278 // Interface encoded in b31..b24
wonner163 0:4562b55bbb43 279 #define LCD_C_BUS_MSK 0xFF000000
wonner163 0:4562b55bbb43 280 #define LCD_C_PAR 0x01000000 /*Parallel 4 or 8 bit data, E pin, RS pin, RW=GND */
wonner163 0:4562b55bbb43 281 #define LCD_C_SPI3_9 0x02000000 /*SPI 3 line (MOSI, SCL, CS pins), 9 bits (RS + 8 Data) */
wonner163 0:4562b55bbb43 282 #define LCD_C_SPI3_10 0x04000000 /*SPI 3 line (MOSI, SCL, CS pins), 10 bits (RS, RW + 8 Data) */
wonner163 0:4562b55bbb43 283 #define LCD_C_SPI3_16 0x08000000 /*SPI 3 line (MOSI, SCL, CS pins), 16 bits (RS, RW + 8 Data) */
wonner163 0:4562b55bbb43 284 #define LCD_C_SPI3_24 0x10000000 /*SPI 3 line (MOSI, SCL, CS pins), 24 bits (RS, RW + 8 Data) */
wonner163 0:4562b55bbb43 285 #define LCD_C_SPI4 0x20000000 /*SPI 4 line (MOSI, SCL, CS, RS pin), RS pin + 8 Data */
wonner163 0:4562b55bbb43 286 #define LCD_C_I2C 0x40000000 /*I2C (SDA, SCL pin), 8 control bits (Co, RS, RW) + 8 Data */
wonner163 0:4562b55bbb43 287 // Features encoded in b23..b16
wonner163 0:4562b55bbb43 288 #define LCD_C_FTR_MSK 0x00FF0000
wonner163 0:4562b55bbb43 289 #define LCD_C_BST 0x00010000 /*Booster */
wonner163 0:4562b55bbb43 290 #define LCD_C_CTR 0x00020000 /*Contrast Control */
wonner163 0:4562b55bbb43 291 #define LCD_C_ICN 0x00040000 /*Icons */
wonner163 0:4562b55bbb43 292 #define LCD_C_PDN 0x00080000 /*Power Down */
wonner163 0:4562b55bbb43 293
wonner163 0:4562b55bbb43 294
wonner163 0:4562b55bbb43 295 // Contrast setting, 6 significant bits (only supported for controllers with extended features)
wonner163 0:4562b55bbb43 296 // Voltage Multiplier setting, 2 or 3 significant bits (only supported for controllers with extended features)
wonner163 0:4562b55bbb43 297 #define LCD_DEF_CONTRAST 0x20
wonner163 0:4562b55bbb43 298
wonner163 0:4562b55bbb43 299 //ST7032 EastRising ERC1602FS-4 display
wonner163 0:4562b55bbb43 300 //Contrast setting 6 significant bits
wonner163 0:4562b55bbb43 301 //Voltage Multiplier setting 3 significant bits
wonner163 0:4562b55bbb43 302 #define LCD_ST7032_CONTRAST 0x18
wonner163 0:4562b55bbb43 303 #define LCD_ST7032_RAB 0x04
wonner163 0:4562b55bbb43 304
wonner163 0:4562b55bbb43 305 //ST7036 EA DOGM1603 display
wonner163 0:4562b55bbb43 306 //Contrast setting 6 significant bits
wonner163 0:4562b55bbb43 307 //Voltage Multiplier setting 3 significant bits
wonner163 0:4562b55bbb43 308 #define LCD_ST7036_CONTRAST 0x28
wonner163 0:4562b55bbb43 309 #define LCD_ST7036_RAB 0x04
wonner163 0:4562b55bbb43 310
wonner163 0:4562b55bbb43 311 //SSD1803 EA DOGM204 display
wonner163 0:4562b55bbb43 312 //Contrast setting 6 significant bits
wonner163 0:4562b55bbb43 313 //Voltage Multiplier setting 3 significant bits
wonner163 0:4562b55bbb43 314 #define LCD_SSD1_CONTRAST 0x28
wonner163 0:4562b55bbb43 315 #define LCD_SSD1_RAB 0x06
wonner163 0:4562b55bbb43 316
wonner163 0:4562b55bbb43 317 //US2066/SSD1311 EastRising ER-OLEDM2002-4 display
wonner163 0:4562b55bbb43 318 //Contrast setting 8 significant bits, use 6 for compatibility
wonner163 0:4562b55bbb43 319 #define LCD_US20_CONTRAST 0x3F
wonner163 0:4562b55bbb43 320 //#define LCD_US20_CONTRAST 0x1F
wonner163 0:4562b55bbb43 321
wonner163 0:4562b55bbb43 322 //PCF2113, PCF2119 display
wonner163 0:4562b55bbb43 323 //Contrast setting 6 significant bits
wonner163 0:4562b55bbb43 324 //Voltage Multiplier setting 2 significant bits
wonner163 0:4562b55bbb43 325 #define LCD_PCF2_CONTRAST 0x20
wonner163 0:4562b55bbb43 326 #define LCD_PCF2_S12 0x02
wonner163 0:4562b55bbb43 327
wonner163 0:4562b55bbb43 328 //PT6314 VFD display
wonner163 0:4562b55bbb43 329 //Contrast setting 2 significant bits
wonner163 0:4562b55bbb43 330 #define LCD_PT63_CONTRAST 0x00
wonner163 0:4562b55bbb43 331
wonner163 0:4562b55bbb43 332 /** Some sample User Defined Chars 5x7 dots */
wonner163 0:4562b55bbb43 333 //extern const char udc_ae[]; //æ
wonner163 0:4562b55bbb43 334 //extern const char udc_0e[]; //ø
wonner163 0:4562b55bbb43 335 //extern const char udc_ao[]; //å
wonner163 0:4562b55bbb43 336 //extern const char udc_AE[]; //Æ
wonner163 0:4562b55bbb43 337 //extern const char udc_0E[]; //Ø
wonner163 0:4562b55bbb43 338 //extern const char udc_Ao[]; //Å
wonner163 0:4562b55bbb43 339 //extern const char udc_PO[]; //Padlock Open
wonner163 0:4562b55bbb43 340 //extern const char udc_PC[]; //Padlock Closed
wonner163 0:4562b55bbb43 341
wonner163 0:4562b55bbb43 342 //extern const char udc_alpha[]; //alpha
wonner163 0:4562b55bbb43 343 //extern const char udc_ohm[]; //ohm
wonner163 0:4562b55bbb43 344 //extern const char udc_sigma[]; //sigma
wonner163 0:4562b55bbb43 345 //extern const char udc_pi[]; //pi
wonner163 0:4562b55bbb43 346 //extern const char udc_root[]; //root
wonner163 0:4562b55bbb43 347
wonner163 0:4562b55bbb43 348
wonner163 0:4562b55bbb43 349 extern const char udc_0[]; // |>
wonner163 0:4562b55bbb43 350 extern const char udc_1[]; // <|
wonner163 0:4562b55bbb43 351 extern const char udc_2[]; // |
wonner163 0:4562b55bbb43 352 extern const char udc_3[]; // ||
wonner163 0:4562b55bbb43 353 extern const char udc_4[]; // |||
wonner163 0:4562b55bbb43 354 extern const char udc_5[]; // =
wonner163 0:4562b55bbb43 355 extern const char udc_6[]; // checkerboard
wonner163 0:4562b55bbb43 356 extern const char udc_7[]; // \
wonner163 0:4562b55bbb43 357
wonner163 0:4562b55bbb43 358 extern const char udc_degr[]; // Degree symbol
wonner163 0:4562b55bbb43 359
wonner163 0:4562b55bbb43 360 extern const char udc_TM_T[]; // Trademark T
wonner163 0:4562b55bbb43 361 extern const char udc_TM_M[]; // Trademark M
wonner163 0:4562b55bbb43 362
wonner163 0:4562b55bbb43 363 //extern const char udc_Bat_Hi[]; // Battery Full
wonner163 0:4562b55bbb43 364 //extern const char udc_Bat_Ha[]; // Battery Half
wonner163 0:4562b55bbb43 365 //extern const char udc_Bat_Lo[]; // Battery Low
wonner163 0:4562b55bbb43 366 extern const char udc_Bat_Hi[]; // Battery Full
wonner163 0:4562b55bbb43 367 extern const char udc_Bat_Ha[]; // Battery Half
wonner163 0:4562b55bbb43 368 extern const char udc_Bat_Lo[]; // Battery Low
wonner163 0:4562b55bbb43 369 extern const char udc_AC[]; // AC Power
wonner163 0:4562b55bbb43 370
wonner163 0:4562b55bbb43 371 //extern const char udc_smiley[]; // Smiley
wonner163 0:4562b55bbb43 372 //extern const char udc_droopy[]; // Droopey
wonner163 0:4562b55bbb43 373 //extern const char udc_note[]; // Note
wonner163 0:4562b55bbb43 374
wonner163 0:4562b55bbb43 375 //extern const char udc_bar_1[]; // Bar 1
wonner163 0:4562b55bbb43 376 //extern const char udc_bar_2[]; // Bar 11
wonner163 0:4562b55bbb43 377 //extern const char udc_bar_3[]; // Bar 111
wonner163 0:4562b55bbb43 378 //extern const char udc_bar_4[]; // Bar 1111
wonner163 0:4562b55bbb43 379 //extern const char udc_bar_5[]; // Bar 11111
wonner163 0:4562b55bbb43 380
wonner163 0:4562b55bbb43 381 //extern const char udc_ch_1[]; // Hor bars 4
wonner163 0:4562b55bbb43 382 //extern const char udc_ch_2[]; // Hor bars 4 (inverted)
wonner163 0:4562b55bbb43 383 //extern const char udc_ch_3[]; // Ver bars 3
wonner163 0:4562b55bbb43 384 //extern const char udc_ch_4[]; // Ver bars 3 (inverted)
wonner163 0:4562b55bbb43 385 //extern const char udc_ch_yr[]; // Year (kana)
wonner163 0:4562b55bbb43 386 //extern const char udc_ch_mo[]; // Month (kana)
wonner163 0:4562b55bbb43 387 //extern const char udc_ch_dy[]; // Day (kana)
wonner163 0:4562b55bbb43 388 //extern const char udc_ch_mi[]; // minute (kana)
wonner163 0:4562b55bbb43 389 extern const char udc_None[];
wonner163 0:4562b55bbb43 390 extern const char udc_All[];
wonner163 0:4562b55bbb43 391
wonner163 0:4562b55bbb43 392 /** A TextLCD interface for driving 4-bit HD44780-based LCDs
wonner163 0:4562b55bbb43 393 *
wonner163 0:4562b55bbb43 394 * @brief Currently supports 8x1, 8x2, 12x2, 12x3, 12x4, 16x1, 16x2, 16x3, 16x4, 20x2, 20x4, 24x2, 24x4, 40x2 and 40x4 panels
wonner163 0:4562b55bbb43 395 * Interface options include direct mbed pins, I2C portexpander (PCF8474/PCF8574A or MCP23008) or SPI bus shiftregister (74595) and some native I2C or SPI devices
wonner163 0:4562b55bbb43 396 *
wonner163 0:4562b55bbb43 397 */
wonner163 0:4562b55bbb43 398 class TextLCD_Base : public Stream {
wonner163 0:4562b55bbb43 399 public:
wonner163 0:4562b55bbb43 400
wonner163 0:4562b55bbb43 401 /** LCD panel format */
wonner163 0:4562b55bbb43 402 // The commented out types exist but have not yet been tested with the library
wonner163 0:4562b55bbb43 403 enum LCDType {
wonner163 0:4562b55bbb43 404 // LCD6x1 = (LCD_T_A | LCD_T_C6 | LCD_T_R1), /**< 6x1 LCD panel */
wonner163 0:4562b55bbb43 405 // LCD6x2 = (LCD_T_A | LCD_T_C6 | LCD_T_R2), /**< 6x2 LCD panel */
wonner163 0:4562b55bbb43 406 LCD8x1 = (LCD_T_A | LCD_T_C8 | LCD_T_R1), /**< 8x1 LCD panel */
wonner163 0:4562b55bbb43 407 LCD8x2 = (LCD_T_A | LCD_T_C8 | LCD_T_R2), /**< 8x2 LCD panel */
wonner163 0:4562b55bbb43 408 LCD8x2B = (LCD_T_D | LCD_T_C8 | LCD_T_R2), /**< 8x2 LCD panel (actually 16x1) */
wonner163 0:4562b55bbb43 409 // LCD12x1 = (LCD_T_A | LCD_T_C12 | LCD_T_R1), /**< 12x1 LCD panel */
wonner163 0:4562b55bbb43 410 LCD12x2 = (LCD_T_A | LCD_T_C12 | LCD_T_R2), /**< 12x2 LCD panel */
wonner163 0:4562b55bbb43 411 LCD12x3D = (LCD_T_D | LCD_T_C12 | LCD_T_R3), /**< 12x3 LCD panel, special mode PCF21XX */
wonner163 0:4562b55bbb43 412 LCD12x3D1 = (LCD_T_D1 | LCD_T_C12 | LCD_T_R3), /**< 12x3 LCD panel, special mode PCF21XX */
wonner163 0:4562b55bbb43 413 // LCD12x3G = (LCD_T_G | LCD_T_C12 | LCD_T_R3), /**< 12x3 LCD panel, special mode ST7036 */
wonner163 0:4562b55bbb43 414 LCD12x4 = (LCD_T_A | LCD_T_C12 | LCD_T_R4), /**< 12x4 LCD panel */
wonner163 0:4562b55bbb43 415 LCD12x4D = (LCD_T_B | LCD_T_C12 | LCD_T_R4), /**< 12x4 LCD panel, special mode PCF21XX */
wonner163 0:4562b55bbb43 416 LCD16x1 = (LCD_T_A | LCD_T_C16 | LCD_T_R1), /**< 16x1 LCD panel */
wonner163 0:4562b55bbb43 417 LCD16x1C = (LCD_T_C | LCD_T_C16 | LCD_T_R1), /**< 16x1 LCD panel (actually 8x2) */
wonner163 0:4562b55bbb43 418 LCD16x2 = (LCD_T_A | LCD_T_C16 | LCD_T_R2), /**< 16x2 LCD panel (default) */
wonner163 0:4562b55bbb43 419 // LCD16x2B = (LCD_T_B | LCD_T_C16 | LCD_T_R2), /**< 16x2 LCD panel, alternate addressing, wrong.. */
wonner163 0:4562b55bbb43 420 LCD16x3D = (LCD_T_D | LCD_T_C16 | LCD_T_R3), /**< 16x3 LCD panel, special mode SSD1803 */
wonner163 0:4562b55bbb43 421 // LCD16x3D1 = (LCD_T_D1 | LCD_T_C16 | LCD_T_R3), /**< 16x3 LCD panel, special mode SSD1803 */
wonner163 0:4562b55bbb43 422 LCD16x3F = (LCD_T_F | LCD_T_C16 | LCD_T_R3), /**< 16x3 LCD panel (actually 24x2) */
wonner163 0:4562b55bbb43 423 LCD16x3G = (LCD_T_G | LCD_T_C16 | LCD_T_R3), /**< 16x3 LCD panel, special mode ST7036 */
wonner163 0:4562b55bbb43 424 LCD16x4 = (LCD_T_A | LCD_T_C16 | LCD_T_R4), /**< 16x4 LCD panel */
wonner163 0:4562b55bbb43 425 // LCD16x4D = (LCD_T_D | LCD_T_C16 | LCD_T_R4), /**< 16x4 LCD panel, special mode SSD1803 */
wonner163 0:4562b55bbb43 426 // LCD20x1 = (LCD_T_A | LCD_T_C20 | LCD_T_R1), /**< 20x1 LCD panel */
wonner163 0:4562b55bbb43 427 LCD20x2 = (LCD_T_A | LCD_T_C20 | LCD_T_R2), /**< 20x2 LCD panel */
wonner163 0:4562b55bbb43 428 // LCD20x3 = (LCD_T_A | LCD_T_C20 | LCD_T_R3), /**< 20x3 LCD panel */
wonner163 0:4562b55bbb43 429 // LCD20x3D = (LCD_T_D | LCD_T_C20 | LCD_T_R3), /**< 20x3 LCD panel, special mode SSD1803 */
wonner163 0:4562b55bbb43 430 // LCD20x3D1 = (LCD_T_D1 | LCD_T_C20 | LCD_T_R3), /**< 20x3 LCD panel, special mode SSD1803 */
wonner163 0:4562b55bbb43 431 LCD20x4 = (LCD_T_A | LCD_T_C20 | LCD_T_R4), /**< 20x4 LCD panel */
wonner163 0:4562b55bbb43 432 LCD20x4D = (LCD_T_D | LCD_T_C20 | LCD_T_R4), /**< 20x4 LCD panel, special mode SSD1803 */
wonner163 0:4562b55bbb43 433 LCD24x1 = (LCD_T_A | LCD_T_C24 | LCD_T_R1), /**< 24x1 LCD panel */
wonner163 0:4562b55bbb43 434 LCD24x2 = (LCD_T_A | LCD_T_C24 | LCD_T_R2), /**< 24x2 LCD panel */
wonner163 0:4562b55bbb43 435 // LCD24x3D = (LCD_T_D | LCD_T_C24 | LCD_T_R3), /**< 24x3 LCD panel */
wonner163 0:4562b55bbb43 436 // LCD24x3D1 = (LCD_T_D | LCD_T_C24 | LCD_T_R3), /**< 24x3 LCD panel */
wonner163 0:4562b55bbb43 437 LCD24x4D = (LCD_T_D | LCD_T_C24 | LCD_T_R4), /**< 24x4 LCD panel, special mode KS0078 */
wonner163 0:4562b55bbb43 438 // LCD32x1 = (LCD_T_A | LCD_T_C32 | LCD_T_R1), /**< 32x1 LCD panel */
wonner163 0:4562b55bbb43 439 // LCD32x1C = (LCD_T_C | LCD_T_C32 | LCD_T_R1), /**< 32x1 LCD panel (actually 16x2) */
wonner163 0:4562b55bbb43 440 // LCD32x2 = (LCD_T_A | LCD_T_C32 | LCD_T_R2), /**< 32x2 LCD panel */
wonner163 0:4562b55bbb43 441 // LCD32x4 = (LCD_T_A | LCD_T_C32 | LCD_T_R4), /**< 32x4 LCD panel */
wonner163 0:4562b55bbb43 442 // LCD40x1 = (LCD_T_A | LCD_T_C40 | LCD_T_R1), /**< 40x1 LCD panel */
wonner163 0:4562b55bbb43 443 // LCD40x1C = (LCD_T_C | LCD_T_C40 | LCD_T_R1), /**< 40x1 LCD panel (actually 20x2) */
wonner163 0:4562b55bbb43 444 LCD40x2 = (LCD_T_A | LCD_T_C40 | LCD_T_R2), /**< 40x2 LCD panel */
wonner163 0:4562b55bbb43 445 LCD40x4 = (LCD_T_E | LCD_T_C40 | LCD_T_R4) /**< 40x4 LCD panel, Two controller version */
wonner163 0:4562b55bbb43 446 };
wonner163 0:4562b55bbb43 447
wonner163 0:4562b55bbb43 448
wonner163 0:4562b55bbb43 449 /** LCD Controller Device */
wonner163 0:4562b55bbb43 450 enum LCDCtrl {
wonner163 0:4562b55bbb43 451 HD44780 = 0 | LCD_C_PAR, /**< HD44780 or full equivalent (default) */
wonner163 0:4562b55bbb43 452 WS0010 = 1 | (LCD_C_PAR | LCD_C_SPI3_10 | LCD_C_BST), /**< WS0010 OLED Controller, 4/8 bit, SPI3 */
wonner163 0:4562b55bbb43 453 ST7036_3V3 = 2 | (LCD_C_PAR | LCD_C_SPI4 | LCD_C_I2C | LCD_C_BST | LCD_C_CTR), /**< ST7036 3V3 with Booster, 4/8 bit, SPI4, I2C */
wonner163 0:4562b55bbb43 454 ST7036_5V = 3 | (LCD_C_PAR | LCD_C_SPI4 | LCD_C_I2C | LCD_C_BST | LCD_C_CTR), /**< ST7036 5V no Booster, 4/8 bit, SPI4, I2C */
wonner163 0:4562b55bbb43 455 ST7032_3V3 = 4 | (LCD_C_PAR | LCD_C_SPI4 | LCD_C_I2C | LCD_C_BST | LCD_C_CTR), /**< ST7032 3V3 with Booster, 4/8 bit, SPI4, I2C */
wonner163 0:4562b55bbb43 456 ST7032_5V = 5 | (LCD_C_PAR | LCD_C_SPI4 | LCD_C_I2C | LCD_C_CTR), /**< ST7032 5V no Booster, 4/8 bit, SPI4, I2C */
wonner163 0:4562b55bbb43 457 KS0078 = 6 | (LCD_C_PAR | LCD_C_SPI3_24), /**< KS0078 24x4 support, 4/8 bit, SPI3 */
wonner163 0:4562b55bbb43 458 PCF2113_3V3 = 7 | (LCD_C_PAR | LCD_C_I2C | LCD_C_BST | LCD_C_CTR), /**< PCF2113 3V3 with Booster, 4/8 bit, I2C */
wonner163 0:4562b55bbb43 459 PCF2116_3V3 = 8 | (LCD_C_PAR | LCD_C_I2C | LCD_C_BST), /**< PCF2116 3V3 with Booster, 4/8 bit, I2C */
wonner163 0:4562b55bbb43 460 PCF2116_5V = 9 | (LCD_C_PAR | LCD_C_I2C), /**< PCF2116 5V no Booster, 4/8 bit, I2C */
wonner163 0:4562b55bbb43 461 PCF2119_3V3 = 10 | (LCD_C_PAR | LCD_C_I2C | LCD_C_BST | LCD_C_CTR), /**< PCF2119 3V3 with Booster, 4/8 bit, I2C */
wonner163 0:4562b55bbb43 462 // PCF2119_5V = 11 | (LCD_C_PAR | LCD_C_I2C), /**< PCF2119 5V no Booster, 4/8 bit, I2C */
wonner163 0:4562b55bbb43 463 AIP31068 = 12 | (LCD_C_SPI3_9 | LCD_C_I2C | LCD_C_BST), /**< AIP31068 I2C, SPI3 */
wonner163 0:4562b55bbb43 464 SSD1803_3V3 = 13 | (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 */
wonner163 0:4562b55bbb43 465 // SSD1803_5V = 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 */
wonner163 0:4562b55bbb43 466 US2066_3V3 = 15 | (LCD_C_PAR | LCD_C_SPI3_24 | LCD_C_I2C | LCD_C_CTR | LCD_C_PDN), /**< US2066/SSD1311 3V3, 4/8 bit, I2C, SPI3 */
wonner163 0:4562b55bbb43 467 // PT6314 = 16 | (LCD_C_PAR | LCD_C_SPI3_16 | LCD_C_CTR | LCD_C_PDN), /**< PT6314 VFD, 4/8 bit, SPI3 */
wonner163 0:4562b55bbb43 468 // AC780 = 17 | (LCD_C_PAR | LCD_C_SPI4 | LCD_C_I2C | LCD_C_PDN), /**< AC780 4/8 bit, SPI, I2C */
wonner163 0:4562b55bbb43 469 // KS0066 = 18 | (LCD_C_PAR | LCD_C_SPI4 | LCD_C_I2C | LCD_C_PDN) /**< KS0066i == AC780 4/8 bit, SPI, I2C */
wonner163 0:4562b55bbb43 470 };
wonner163 0:4562b55bbb43 471
wonner163 0:4562b55bbb43 472
wonner163 0:4562b55bbb43 473 /** LCD Cursor control */
wonner163 0:4562b55bbb43 474 enum LCDCursor {
wonner163 0:4562b55bbb43 475 CurOff_BlkOff = 0x00, /**< Cursor Off, Blinking Char Off */
wonner163 0:4562b55bbb43 476 CurOn_BlkOff = 0x02, /**< Cursor On, Blinking Char Off */
wonner163 0:4562b55bbb43 477 CurOff_BlkOn = 0x01, /**< Cursor Off, Blinking Char On */
wonner163 0:4562b55bbb43 478 CurOn_BlkOn = 0x03 /**< Cursor On, Blinking Char On */
wonner163 0:4562b55bbb43 479 };
wonner163 0:4562b55bbb43 480
wonner163 0:4562b55bbb43 481 /** LCD Display control */
wonner163 0:4562b55bbb43 482 enum LCDMode {
wonner163 0:4562b55bbb43 483 DispOff = 0x00, /**< Display Off */
wonner163 0:4562b55bbb43 484 DispOn = 0x04 /**< Display On */
wonner163 0:4562b55bbb43 485 };
wonner163 0:4562b55bbb43 486
wonner163 0:4562b55bbb43 487 /** LCD Backlight control */
wonner163 0:4562b55bbb43 488 enum LCDBacklight {
wonner163 0:4562b55bbb43 489 LightOff, /**< Backlight Off */
wonner163 0:4562b55bbb43 490 LightOn /**< Backlight On */
wonner163 0:4562b55bbb43 491 };
wonner163 0:4562b55bbb43 492
wonner163 0:4562b55bbb43 493 /** LCD Blink control (UDC), supported for some Controllers */
wonner163 0:4562b55bbb43 494 enum LCDBlink {
wonner163 0:4562b55bbb43 495 BlinkOff, /**< Blink Off */
wonner163 0:4562b55bbb43 496 BlinkOn /**< Blink On */
wonner163 0:4562b55bbb43 497 };
wonner163 0:4562b55bbb43 498
wonner163 0:4562b55bbb43 499 /** LCD Orientation control, supported for some Controllers */
wonner163 0:4562b55bbb43 500 enum LCDOrient {
wonner163 0:4562b55bbb43 501 Top, /**< Top view */
wonner163 0:4562b55bbb43 502 Bottom /**< Upside down view */
wonner163 0:4562b55bbb43 503 };
wonner163 0:4562b55bbb43 504
wonner163 0:4562b55bbb43 505
wonner163 0:4562b55bbb43 506 #if DOXYGEN_ONLY
wonner163 0:4562b55bbb43 507 /** Write a character to the LCD
wonner163 0:4562b55bbb43 508 *
wonner163 0:4562b55bbb43 509 * @param c The character to write to the display
wonner163 0:4562b55bbb43 510 */
wonner163 0:4562b55bbb43 511 int putc(int c);
wonner163 0:4562b55bbb43 512
wonner163 0:4562b55bbb43 513 /** Write a formated string to the LCD
wonner163 0:4562b55bbb43 514 *
wonner163 0:4562b55bbb43 515 * @param format A printf-style format string, followed by the
wonner163 0:4562b55bbb43 516 * variables to use in formating the string.
wonner163 0:4562b55bbb43 517 */
wonner163 0:4562b55bbb43 518 int printf(const char* format, ...);
wonner163 0:4562b55bbb43 519 #endif
wonner163 0:4562b55bbb43 520
wonner163 0:4562b55bbb43 521 /** Locate cursor to a screen column and row
wonner163 0:4562b55bbb43 522 *
wonner163 0:4562b55bbb43 523 * @param column The horizontal position from the left, indexed from 0
wonner163 0:4562b55bbb43 524 * @param row The vertical position from the top, indexed from 0
wonner163 0:4562b55bbb43 525 */
wonner163 0:4562b55bbb43 526 void locate(int column, int row);
wonner163 0:4562b55bbb43 527
wonner163 0:4562b55bbb43 528 /** Return the memoryaddress of screen column and row location
wonner163 0:4562b55bbb43 529 *
wonner163 0:4562b55bbb43 530 * @param column The horizontal position from the left, indexed from 0
wonner163 0:4562b55bbb43 531 * @param row The vertical position from the top, indexed from 0
wonner163 0:4562b55bbb43 532 * @param return The memoryaddress of screen column and row location
wonner163 0:4562b55bbb43 533 */
wonner163 0:4562b55bbb43 534 int getAddress(int column, int row);
wonner163 0:4562b55bbb43 535
wonner163 0:4562b55bbb43 536 /** Set the memoryaddress of screen column and row location
wonner163 0:4562b55bbb43 537 *
wonner163 0:4562b55bbb43 538 * @param column The horizontal position from the left, indexed from 0
wonner163 0:4562b55bbb43 539 * @param row The vertical position from the top, indexed from 0
wonner163 0:4562b55bbb43 540 */
wonner163 0:4562b55bbb43 541 void setAddress(int column, int row);
wonner163 0:4562b55bbb43 542
wonner163 0:4562b55bbb43 543 /** Clear the screen and locate to 0,0
wonner163 0:4562b55bbb43 544 */
wonner163 0:4562b55bbb43 545 void cls();
wonner163 0:4562b55bbb43 546
wonner163 0:4562b55bbb43 547 /** Return the number of rows
wonner163 0:4562b55bbb43 548 *
wonner163 0:4562b55bbb43 549 * @param return The number of rows
wonner163 0:4562b55bbb43 550 */
wonner163 0:4562b55bbb43 551 int rows();
wonner163 0:4562b55bbb43 552
wonner163 0:4562b55bbb43 553 /** Return the number of columns
wonner163 0:4562b55bbb43 554 *
wonner163 0:4562b55bbb43 555 * @param return The number of columns
wonner163 0:4562b55bbb43 556 */
wonner163 0:4562b55bbb43 557 int columns();
wonner163 0:4562b55bbb43 558
wonner163 0:4562b55bbb43 559 /** Set the Cursormode
wonner163 0:4562b55bbb43 560 *
wonner163 0:4562b55bbb43 561 * @param cursorMode The Cursor mode (CurOff_BlkOff, CurOn_BlkOff, CurOff_BlkOn, CurOn_BlkOn)
wonner163 0:4562b55bbb43 562 */
wonner163 0:4562b55bbb43 563 void setCursor(LCDCursor cursorMode);
wonner163 0:4562b55bbb43 564
wonner163 0:4562b55bbb43 565 /** Set the Displaymode
wonner163 0:4562b55bbb43 566 *
wonner163 0:4562b55bbb43 567 * @param displayMode The Display mode (DispOff, DispOn)
wonner163 0:4562b55bbb43 568 */
wonner163 0:4562b55bbb43 569 void setMode(LCDMode displayMode);
wonner163 0:4562b55bbb43 570
wonner163 0:4562b55bbb43 571 /** Set the Backlight mode
wonner163 0:4562b55bbb43 572 *
wonner163 0:4562b55bbb43 573 * @param backlightMode The Backlight mode (LightOff, LightOn)
wonner163 0:4562b55bbb43 574 */
wonner163 0:4562b55bbb43 575 void setBacklight(LCDBacklight backlightMode);
wonner163 0:4562b55bbb43 576
wonner163 0:4562b55bbb43 577 /** Set User Defined Characters (UDC)
wonner163 0:4562b55bbb43 578 *
wonner163 0:4562b55bbb43 579 * @param unsigned char c The Index of the UDC (0..7)
wonner163 0:4562b55bbb43 580 * @param char *udc_data The bitpatterns for the UDC (8 bytes of 5 significant bits)
wonner163 0:4562b55bbb43 581 */
wonner163 0:4562b55bbb43 582 void setUDC(unsigned char c, char *udc_data);
wonner163 0:4562b55bbb43 583
wonner163 0:4562b55bbb43 584 /** Set UDC Blink
wonner163 0:4562b55bbb43 585 * setUDCBlink method is supported by some compatible devices (eg SSD1803)
wonner163 0:4562b55bbb43 586 *
wonner163 0:4562b55bbb43 587 * @param blinkMode The Blink mode (BlinkOff, BlinkOn)
wonner163 0:4562b55bbb43 588 */
wonner163 0:4562b55bbb43 589 void setUDCBlink(LCDBlink blinkMode);
wonner163 0:4562b55bbb43 590
wonner163 0:4562b55bbb43 591 /** Set Contrast
wonner163 0:4562b55bbb43 592 * setContrast method is supported by some compatible devices (eg ST7032i) that have onboard LCD voltage generation
wonner163 0:4562b55bbb43 593 * Code imported from fork by JH1PJL
wonner163 0:4562b55bbb43 594 *
wonner163 0:4562b55bbb43 595 * @param unsigned char c contrast data (6 significant bits, valid range 0..63, Value 0 will disable the Vgen)
wonner163 0:4562b55bbb43 596 * @return none
wonner163 0:4562b55bbb43 597 */
wonner163 0:4562b55bbb43 598 void setContrast(unsigned char c = LCD_DEF_CONTRAST);
wonner163 0:4562b55bbb43 599
wonner163 0:4562b55bbb43 600 /** Set Power
wonner163 0:4562b55bbb43 601 * setPower method is supported by some compatible devices (eg SSD1803) that have power down modes
wonner163 0:4562b55bbb43 602 *
wonner163 0:4562b55bbb43 603 * @param bool powerOn Power on/off
wonner163 0:4562b55bbb43 604 * @return none
wonner163 0:4562b55bbb43 605 */
wonner163 0:4562b55bbb43 606 void setPower(bool powerOn = true);
wonner163 0:4562b55bbb43 607
wonner163 0:4562b55bbb43 608 /** Set Orient
wonner163 0:4562b55bbb43 609 * setOrient method is supported by some compatible devices (eg SSD1803, US2066) that have top/bottom view modes
wonner163 0:4562b55bbb43 610 *
wonner163 0:4562b55bbb43 611 * @param LCDOrient orient Orientation
wonner163 0:4562b55bbb43 612 * @return none
wonner163 0:4562b55bbb43 613 */
wonner163 0:4562b55bbb43 614 void setOrient(LCDOrient orient = Top);
wonner163 0:4562b55bbb43 615
wonner163 0:4562b55bbb43 616
wonner163 0:4562b55bbb43 617 //test
wonner163 0:4562b55bbb43 618 // void _initCtrl();
wonner163 0:4562b55bbb43 619
wonner163 0:4562b55bbb43 620 protected:
wonner163 0:4562b55bbb43 621
wonner163 0:4562b55bbb43 622 /** LCD controller select, mainly used for LCD40x4
wonner163 0:4562b55bbb43 623 */
wonner163 0:4562b55bbb43 624 enum _LCDCtrl_Idx {
wonner163 0:4562b55bbb43 625 _LCDCtrl_0, /*< Primary */
wonner163 0:4562b55bbb43 626 _LCDCtrl_1, /*< Secondary */
wonner163 0:4562b55bbb43 627 };
wonner163 0:4562b55bbb43 628
wonner163 0:4562b55bbb43 629 /** Create a TextLCD_Base interface
wonner163 0:4562b55bbb43 630 * @brief Base class, can not be instantiated
wonner163 0:4562b55bbb43 631 *
wonner163 0:4562b55bbb43 632 * @param type Sets the panel size/addressing mode (default = LCD16x2)
wonner163 0:4562b55bbb43 633 * @param ctrl LCD controller (default = HD44780)
wonner163 0:4562b55bbb43 634 */
wonner163 0:4562b55bbb43 635 TextLCD_Base(LCDType type = LCD16x2, LCDCtrl ctrl = HD44780);
wonner163 0:4562b55bbb43 636
wonner163 0:4562b55bbb43 637 // Stream implementation functions
wonner163 0:4562b55bbb43 638 virtual int _putc(int value);
wonner163 0:4562b55bbb43 639 virtual int _getc();
wonner163 0:4562b55bbb43 640
wonner163 0:4562b55bbb43 641 /** Low level method for LCD controller
wonner163 0:4562b55bbb43 642 */
wonner163 0:4562b55bbb43 643 void _init();
wonner163 0:4562b55bbb43 644
wonner163 0:4562b55bbb43 645 /** Low level initialisation method for LCD controller
wonner163 0:4562b55bbb43 646 */
wonner163 0:4562b55bbb43 647 void _initCtrl();
wonner163 0:4562b55bbb43 648
wonner163 0:4562b55bbb43 649 /** Low level character address set method
wonner163 0:4562b55bbb43 650 */
wonner163 0:4562b55bbb43 651 int _address(int column, int row);
wonner163 0:4562b55bbb43 652
wonner163 0:4562b55bbb43 653 /** Low level cursor enable or disable method
wonner163 0:4562b55bbb43 654 */
wonner163 0:4562b55bbb43 655 void _setCursor(LCDCursor show);
wonner163 0:4562b55bbb43 656
wonner163 0:4562b55bbb43 657 /** Low level method to store user defined characters for current controller
wonner163 0:4562b55bbb43 658 */
wonner163 0:4562b55bbb43 659 void _setUDC(unsigned char c, char *udc_data);
wonner163 0:4562b55bbb43 660
wonner163 0:4562b55bbb43 661 /** Low level method to restore the cursortype and display mode for current controller
wonner163 0:4562b55bbb43 662 */
wonner163 0:4562b55bbb43 663 void _setCursorAndDisplayMode(LCDMode displayMode, LCDCursor cursorType);
wonner163 0:4562b55bbb43 664
wonner163 0:4562b55bbb43 665 /** Low level nibble write operation to LCD controller (serial or parallel)
wonner163 0:4562b55bbb43 666 */
wonner163 0:4562b55bbb43 667 void _writeNibble(int value);
wonner163 0:4562b55bbb43 668
wonner163 0:4562b55bbb43 669 /** Low level command byte write operation to LCD controller.
wonner163 0:4562b55bbb43 670 * Methods resets the RS bit and provides the required timing for the command.
wonner163 0:4562b55bbb43 671 */
wonner163 0:4562b55bbb43 672 void _writeCommand(int command);
wonner163 0:4562b55bbb43 673
wonner163 0:4562b55bbb43 674 /** Low level data byte write operation to LCD controller (serial or parallel).
wonner163 0:4562b55bbb43 675 * Methods sets the RS bit and provides the required timing for the data.
wonner163 0:4562b55bbb43 676 */
wonner163 0:4562b55bbb43 677 void _writeData(int data);
wonner163 0:4562b55bbb43 678
wonner163 0:4562b55bbb43 679 /** Pure Virtual Low level writes to LCD Bus (serial or parallel)
wonner163 0:4562b55bbb43 680 * Set the Enable pin.
wonner163 0:4562b55bbb43 681 */
wonner163 0:4562b55bbb43 682 virtual void _setEnable(bool value) = 0;
wonner163 0:4562b55bbb43 683
wonner163 0:4562b55bbb43 684 /** Pure Virtual Low level writes to LCD Bus (serial or parallel)
wonner163 0:4562b55bbb43 685 * Set the RS pin ( 0 = Command, 1 = Data).
wonner163 0:4562b55bbb43 686 */
wonner163 0:4562b55bbb43 687 virtual void _setRS(bool value) = 0;
wonner163 0:4562b55bbb43 688
wonner163 0:4562b55bbb43 689 /** Pure Virtual Low level writes to LCD Bus (serial or parallel)
wonner163 0:4562b55bbb43 690 * Set the BL pin (0 = Backlight Off, 1 = Backlight On).
wonner163 0:4562b55bbb43 691 */
wonner163 0:4562b55bbb43 692 virtual void _setBL(bool value) = 0;
wonner163 0:4562b55bbb43 693
wonner163 0:4562b55bbb43 694 /** Pure Virtual Low level writes to LCD Bus (serial or parallel)
wonner163 0:4562b55bbb43 695 * Set the databus value (4 bit).
wonner163 0:4562b55bbb43 696 */
wonner163 0:4562b55bbb43 697 virtual void _setData(int value) = 0;
wonner163 0:4562b55bbb43 698
wonner163 0:4562b55bbb43 699 /** Low level byte write operation to LCD controller (serial or parallel)
wonner163 0:4562b55bbb43 700 * Depending on the RS pin this byte will be interpreted as data or command
wonner163 0:4562b55bbb43 701 */
wonner163 0:4562b55bbb43 702 virtual void _writeByte(int value);
wonner163 0:4562b55bbb43 703
wonner163 0:4562b55bbb43 704 //Display type
wonner163 0:4562b55bbb43 705 LCDType _type;
wonner163 0:4562b55bbb43 706 int _nr_cols;
wonner163 0:4562b55bbb43 707 int _nr_rows;
wonner163 0:4562b55bbb43 708 int _addr_mode;
wonner163 0:4562b55bbb43 709
wonner163 0:4562b55bbb43 710 //Display mode
wonner163 0:4562b55bbb43 711 LCDMode _currentMode;
wonner163 0:4562b55bbb43 712
wonner163 0:4562b55bbb43 713 //Controller type
wonner163 0:4562b55bbb43 714 LCDCtrl _ctrl;
wonner163 0:4562b55bbb43 715
wonner163 0:4562b55bbb43 716 //Controller select, mainly used for LCD40x4
wonner163 0:4562b55bbb43 717 _LCDCtrl_Idx _ctrl_idx;
wonner163 0:4562b55bbb43 718
wonner163 0:4562b55bbb43 719 // Cursor
wonner163 0:4562b55bbb43 720 int _column;
wonner163 0:4562b55bbb43 721 int _row;
wonner163 0:4562b55bbb43 722 LCDCursor _currentCursor;
wonner163 0:4562b55bbb43 723
wonner163 0:4562b55bbb43 724 // Function mode saved to allow switch between Instruction sets after initialisation time
wonner163 0:4562b55bbb43 725 // Icon, Booster mode and contrast saved to allow contrast change at later time
wonner163 0:4562b55bbb43 726 // Only available for controllers with added features
wonner163 0:4562b55bbb43 727 int _function, _function_1, _function_x;
wonner163 0:4562b55bbb43 728 int _icon_power;
wonner163 0:4562b55bbb43 729 int _contrast;
wonner163 0:4562b55bbb43 730
wonner163 0:4562b55bbb43 731 };
wonner163 0:4562b55bbb43 732
wonner163 0:4562b55bbb43 733 //--------- End TextLCD_Base -----------
wonner163 0:4562b55bbb43 734
wonner163 0:4562b55bbb43 735
wonner163 0:4562b55bbb43 736
wonner163 0:4562b55bbb43 737 //--------- Start TextLCD Bus -----------
wonner163 0:4562b55bbb43 738
wonner163 0:4562b55bbb43 739 /** Create a TextLCD interface for using regular mbed pins
wonner163 0:4562b55bbb43 740 *
wonner163 0:4562b55bbb43 741 */
wonner163 0:4562b55bbb43 742 class TextLCD : public TextLCD_Base {
wonner163 0:4562b55bbb43 743 public:
wonner163 0:4562b55bbb43 744 /** Create a TextLCD interface for using regular mbed pins
wonner163 0:4562b55bbb43 745 *
wonner163 0:4562b55bbb43 746 * @param rs Instruction/data control line
wonner163 0:4562b55bbb43 747 * @param e Enable line (clock)
wonner163 0:4562b55bbb43 748 * @param d4-d7 Data lines for using as a 4-bit interface
wonner163 0:4562b55bbb43 749 * @param type Sets the panel size/addressing mode (default = LCD16x2)
wonner163 0:4562b55bbb43 750 * @param bl Backlight control line (optional, default = NC)
wonner163 0:4562b55bbb43 751 * @param e2 Enable2 line (clock for second controller, LCD40x4 only)
wonner163 0:4562b55bbb43 752 * @param ctrl LCD controller (default = HD44780)
wonner163 0:4562b55bbb43 753 */
wonner163 0:4562b55bbb43 754 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);
wonner163 0:4562b55bbb43 755
wonner163 0:4562b55bbb43 756 /** Destruct a TextLCD interface for using regular mbed pins
wonner163 0:4562b55bbb43 757 *
wonner163 0:4562b55bbb43 758 * @param none
wonner163 0:4562b55bbb43 759 * @return none
wonner163 0:4562b55bbb43 760 */
wonner163 0:4562b55bbb43 761 virtual ~TextLCD();
wonner163 0:4562b55bbb43 762
wonner163 0:4562b55bbb43 763 private:
wonner163 0:4562b55bbb43 764
wonner163 0:4562b55bbb43 765 /** Implementation of pure Virtual Low level writes to LCD Bus (parallel)
wonner163 0:4562b55bbb43 766 * Set the Enable pin.
wonner163 0:4562b55bbb43 767 */
wonner163 0:4562b55bbb43 768 virtual void _setEnable(bool value);
wonner163 0:4562b55bbb43 769
wonner163 0:4562b55bbb43 770 /** Implementation of pure Virtual Low level writes to LCD Bus (parallel)
wonner163 0:4562b55bbb43 771 * Set the RS pin (0 = Command, 1 = Data).
wonner163 0:4562b55bbb43 772 */
wonner163 0:4562b55bbb43 773 virtual void _setRS(bool value);
wonner163 0:4562b55bbb43 774
wonner163 0:4562b55bbb43 775 /** Implementation of pure Virtual Low level writes to LCD Bus (parallel)
wonner163 0:4562b55bbb43 776 * Set the BL pin (0 = Backlight Off, 1 = Backlight On).
wonner163 0:4562b55bbb43 777 */
wonner163 0:4562b55bbb43 778 virtual void _setBL(bool value);
wonner163 0:4562b55bbb43 779
wonner163 0:4562b55bbb43 780 /** Implementation of pure Virtual Low level writes to LCD Bus (parallel)
wonner163 0:4562b55bbb43 781 * Set the databus value (4 bit).
wonner163 0:4562b55bbb43 782 */
wonner163 0:4562b55bbb43 783 virtual void _setData(int value);
wonner163 0:4562b55bbb43 784
wonner163 0:4562b55bbb43 785
wonner163 0:4562b55bbb43 786 /** Regular mbed pins bus
wonner163 0:4562b55bbb43 787 */
wonner163 0:4562b55bbb43 788 DigitalOut _rs, _e;
wonner163 0:4562b55bbb43 789 BusOut _d;
wonner163 0:4562b55bbb43 790
wonner163 0:4562b55bbb43 791 /** Optional Hardware pins for the Backlight and LCD40x4 device
wonner163 0:4562b55bbb43 792 * Default PinName value is NC, must be used as pointer to avoid issues with mbed lib and DigitalOut pins
wonner163 0:4562b55bbb43 793 */
wonner163 0:4562b55bbb43 794 DigitalOut *_bl, *_e2;
wonner163 0:4562b55bbb43 795 };
wonner163 0:4562b55bbb43 796
wonner163 0:4562b55bbb43 797
wonner163 0:4562b55bbb43 798 //----------- End TextLCD ---------------
wonner163 0:4562b55bbb43 799
wonner163 0:4562b55bbb43 800
wonner163 0:4562b55bbb43 801 //--------- Start TextLCD_I2C -----------
wonner163 0:4562b55bbb43 802
wonner163 0:4562b55bbb43 803
wonner163 0:4562b55bbb43 804 /** Create a TextLCD interface using an I2C PCF8574 (or PCF8574A) or MCP23008 portexpander
wonner163 0:4562b55bbb43 805 *
wonner163 0:4562b55bbb43 806 */
wonner163 0:4562b55bbb43 807 class TextLCD_I2C : public TextLCD_Base {
wonner163 0:4562b55bbb43 808 public:
wonner163 0:4562b55bbb43 809 /** Create a TextLCD interface using an I2C PCF8574 (or PCF8574A) or MCP23008 portexpander
wonner163 0:4562b55bbb43 810 *
wonner163 0:4562b55bbb43 811 * @param i2c I2C Bus
wonner163 0:4562b55bbb43 812 * @param deviceAddress I2C slave address (PCF8574 or PCF8574A, default = PCF8574_SA0 = 0x40)
wonner163 0:4562b55bbb43 813 * @param type Sets the panel size/addressing mode (default = LCD16x2)
wonner163 0:4562b55bbb43 814 * @param ctrl LCD controller (default = HD44780)
wonner163 0:4562b55bbb43 815 */
wonner163 0:4562b55bbb43 816 TextLCD_I2C(I2C *i2c, char deviceAddress = PCF8574_SA0, LCDType type = LCD16x2, LCDCtrl ctrl = HD44780);
wonner163 0:4562b55bbb43 817
wonner163 0:4562b55bbb43 818 private:
wonner163 0:4562b55bbb43 819
wonner163 0:4562b55bbb43 820 /** Implementation of pure Virtual Low level writes to LCD Bus (serial expander)
wonner163 0:4562b55bbb43 821 * Set the Enable pin.
wonner163 0:4562b55bbb43 822 */
wonner163 0:4562b55bbb43 823 virtual void _setEnable(bool value);
wonner163 0:4562b55bbb43 824
wonner163 0:4562b55bbb43 825 /** Implementation of pure Virtual Low level writes to LCD Bus (serial expander)
wonner163 0:4562b55bbb43 826 * Set the RS pin (0 = Command, 1 = Data).
wonner163 0:4562b55bbb43 827 */
wonner163 0:4562b55bbb43 828 virtual void _setRS(bool value);
wonner163 0:4562b55bbb43 829
wonner163 0:4562b55bbb43 830 /** Implementation of pure Virtual Low level writes to LCD Bus (serial expander)
wonner163 0:4562b55bbb43 831 * Set the BL pin (0 = Backlight Off, 1 = Backlight On).
wonner163 0:4562b55bbb43 832 */
wonner163 0:4562b55bbb43 833 virtual void _setBL(bool value);
wonner163 0:4562b55bbb43 834
wonner163 0:4562b55bbb43 835 /** Implementation of pure Virtual Low level writes to LCD Bus (serial expander)
wonner163 0:4562b55bbb43 836 * Set the databus value (4 bit).
wonner163 0:4562b55bbb43 837 */
wonner163 0:4562b55bbb43 838 virtual void _setData(int value);
wonner163 0:4562b55bbb43 839
wonner163 0:4562b55bbb43 840 /** Write data to MCP23008 I2C portexpander
wonner163 0:4562b55bbb43 841 * @param reg register to write
wonner163 0:4562b55bbb43 842 * @param value data to write
wonner163 0:4562b55bbb43 843 * @return none
wonner163 0:4562b55bbb43 844 *
wonner163 0:4562b55bbb43 845 */
wonner163 0:4562b55bbb43 846 void _write_register (int reg, int value);
wonner163 0:4562b55bbb43 847
wonner163 0:4562b55bbb43 848 //I2C bus
wonner163 0:4562b55bbb43 849 I2C *_i2c;
wonner163 0:4562b55bbb43 850 char _slaveAddress;
wonner163 0:4562b55bbb43 851
wonner163 0:4562b55bbb43 852 // Internal bus mirror value for serial bus only
wonner163 0:4562b55bbb43 853 char _lcd_bus;
wonner163 0:4562b55bbb43 854 };
wonner163 0:4562b55bbb43 855
wonner163 0:4562b55bbb43 856 //---------- End TextLCD_I2C ------------
wonner163 0:4562b55bbb43 857
wonner163 0:4562b55bbb43 858
wonner163 0:4562b55bbb43 859 //--------- Start TextLCD_SPI -----------
wonner163 0:4562b55bbb43 860
wonner163 0:4562b55bbb43 861 /** Create a TextLCD interface using an SPI 74595 portexpander
wonner163 0:4562b55bbb43 862 *
wonner163 0:4562b55bbb43 863 */
wonner163 0:4562b55bbb43 864 class TextLCD_SPI : public TextLCD_Base {
wonner163 0:4562b55bbb43 865 public:
wonner163 0:4562b55bbb43 866 /** Create a TextLCD interface using an SPI 74595 portexpander
wonner163 0:4562b55bbb43 867 *
wonner163 0:4562b55bbb43 868 * @param spi SPI Bus
wonner163 0:4562b55bbb43 869 * @param cs chip select pin (active low)
wonner163 0:4562b55bbb43 870 * @param type Sets the panel size/addressing mode (default = LCD16x2)
wonner163 0:4562b55bbb43 871 * @param ctrl LCD controller (default = HD44780)
wonner163 0:4562b55bbb43 872 */
wonner163 0:4562b55bbb43 873 TextLCD_SPI(SPI *spi, PinName cs, LCDType type = LCD16x2, LCDCtrl ctrl = HD44780);
wonner163 0:4562b55bbb43 874
wonner163 0:4562b55bbb43 875 private:
wonner163 0:4562b55bbb43 876
wonner163 0:4562b55bbb43 877 /** Implementation of pure Virtual Low level writes to LCD Bus (serial expander)
wonner163 0:4562b55bbb43 878 * Set the Enable pin.
wonner163 0:4562b55bbb43 879 */
wonner163 0:4562b55bbb43 880 virtual void _setEnable(bool value);
wonner163 0:4562b55bbb43 881
wonner163 0:4562b55bbb43 882 /** Implementation of pure Virtual Low level writes to LCD Bus (serial expander)
wonner163 0:4562b55bbb43 883 * Set the RS pin (0 = Command, 1 = Data).
wonner163 0:4562b55bbb43 884 */
wonner163 0:4562b55bbb43 885 virtual void _setRS(bool value);
wonner163 0:4562b55bbb43 886
wonner163 0:4562b55bbb43 887 /** Implementation of pure Virtual Low level writes to LCD Bus (serial expander)
wonner163 0:4562b55bbb43 888 * Set the BL pin (0 = Backlight Off, 1 = Backlight On).
wonner163 0:4562b55bbb43 889 */
wonner163 0:4562b55bbb43 890 virtual void _setBL(bool value);
wonner163 0:4562b55bbb43 891
wonner163 0:4562b55bbb43 892 /** Implementation of pure Virtual Low level writes to LCD Bus (serial expander)
wonner163 0:4562b55bbb43 893 * Set the databus value (4 bit).
wonner163 0:4562b55bbb43 894 */
wonner163 0:4562b55bbb43 895 virtual void _setData(int value);
wonner163 0:4562b55bbb43 896
wonner163 0:4562b55bbb43 897 /** Implementation of Low level writes to LCD Bus (serial expander)
wonner163 0:4562b55bbb43 898 * Set the CS pin (0 = select, 1 = deselect).
wonner163 0:4562b55bbb43 899 */
wonner163 0:4562b55bbb43 900 virtual void _setCS(bool value);
wonner163 0:4562b55bbb43 901
wonner163 0:4562b55bbb43 902 ///** Low level writes to LCD serial bus only (serial expander)
wonner163 0:4562b55bbb43 903 // */
wonner163 0:4562b55bbb43 904 // void _writeBus();
wonner163 0:4562b55bbb43 905
wonner163 0:4562b55bbb43 906 // SPI bus
wonner163 0:4562b55bbb43 907 SPI *_spi;
wonner163 0:4562b55bbb43 908 DigitalOut _cs;
wonner163 0:4562b55bbb43 909
wonner163 0:4562b55bbb43 910 // Internal bus mirror value for serial bus only
wonner163 0:4562b55bbb43 911 char _lcd_bus;
wonner163 0:4562b55bbb43 912 };
wonner163 0:4562b55bbb43 913
wonner163 0:4562b55bbb43 914 //---------- End TextLCD_SPI ------------
wonner163 0:4562b55bbb43 915
wonner163 0:4562b55bbb43 916
wonner163 0:4562b55bbb43 917 //--------- Start TextLCD_SPI_N -----------
wonner163 0:4562b55bbb43 918
wonner163 0:4562b55bbb43 919 /** Create a TextLCD interface using a controller with native SPI4 interface
wonner163 0:4562b55bbb43 920 *
wonner163 0:4562b55bbb43 921 */
wonner163 0:4562b55bbb43 922 class TextLCD_SPI_N : public TextLCD_Base {
wonner163 0:4562b55bbb43 923 public:
wonner163 0:4562b55bbb43 924 /** Create a TextLCD interface using a controller with native SPI4 interface
wonner163 0:4562b55bbb43 925 *
wonner163 0:4562b55bbb43 926 * @param spi SPI Bus
wonner163 0:4562b55bbb43 927 * @param cs chip select pin (active low)
wonner163 0:4562b55bbb43 928 * @param rs Instruction/data control line
wonner163 0:4562b55bbb43 929 * @param type Sets the panel size/addressing mode (default = LCD16x2)
wonner163 0:4562b55bbb43 930 * @param bl Backlight control line (optional, default = NC)
wonner163 0:4562b55bbb43 931 * @param ctrl LCD controller (default = ST7032_3V3)
wonner163 0:4562b55bbb43 932 */
wonner163 0:4562b55bbb43 933 TextLCD_SPI_N(SPI *spi, PinName cs, PinName rs, LCDType type = LCD16x2, PinName bl = NC, LCDCtrl ctrl = ST7032_3V3);
wonner163 0:4562b55bbb43 934 virtual ~TextLCD_SPI_N(void);
wonner163 0:4562b55bbb43 935
wonner163 0:4562b55bbb43 936 private:
wonner163 0:4562b55bbb43 937
wonner163 0:4562b55bbb43 938 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wonner163 0:4562b55bbb43 939 * Set the Enable pin.
wonner163 0:4562b55bbb43 940 */
wonner163 0:4562b55bbb43 941 virtual void _setEnable(bool value);
wonner163 0:4562b55bbb43 942
wonner163 0:4562b55bbb43 943 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wonner163 0:4562b55bbb43 944 * Set the RS pin (0 = Command, 1 = Data).
wonner163 0:4562b55bbb43 945 */
wonner163 0:4562b55bbb43 946 virtual void _setRS(bool value);
wonner163 0:4562b55bbb43 947
wonner163 0:4562b55bbb43 948 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wonner163 0:4562b55bbb43 949 * Set the BL pin (0 = Backlight Off, 1 = Backlight On).
wonner163 0:4562b55bbb43 950 */
wonner163 0:4562b55bbb43 951 virtual void _setBL(bool value);
wonner163 0:4562b55bbb43 952
wonner163 0:4562b55bbb43 953 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wonner163 0:4562b55bbb43 954 * Set the databus value (4 bit).
wonner163 0:4562b55bbb43 955 */
wonner163 0:4562b55bbb43 956 virtual void _setData(int value);
wonner163 0:4562b55bbb43 957
wonner163 0:4562b55bbb43 958 /** Low level writes to LCD serial bus only (serial native)
wonner163 0:4562b55bbb43 959 */
wonner163 0:4562b55bbb43 960 virtual void _writeByte(int value);
wonner163 0:4562b55bbb43 961
wonner163 0:4562b55bbb43 962 // SPI bus
wonner163 0:4562b55bbb43 963 SPI *_spi;
wonner163 0:4562b55bbb43 964 DigitalOut _cs;
wonner163 0:4562b55bbb43 965 DigitalOut _rs;
wonner163 0:4562b55bbb43 966
wonner163 0:4562b55bbb43 967 //Backlight
wonner163 0:4562b55bbb43 968 DigitalOut *_bl;
wonner163 0:4562b55bbb43 969 };
wonner163 0:4562b55bbb43 970
wonner163 0:4562b55bbb43 971 //---------- End TextLCD_SPI_N ------------
wonner163 0:4562b55bbb43 972
wonner163 0:4562b55bbb43 973
wonner163 0:4562b55bbb43 974 #if(1)
wonner163 0:4562b55bbb43 975 //Code checked out on logic analyser. Not yet tested on hardware..
wonner163 0:4562b55bbb43 976
wonner163 0:4562b55bbb43 977 //------- Start TextLCD_SPI_N_3_9 ---------
wonner163 0:4562b55bbb43 978
wonner163 0:4562b55bbb43 979 /** Create a TextLCD interface using a controller with native SPI3 9 bits interface
wonner163 0:4562b55bbb43 980 * Note: current mbed libs only support SPI 9 bit mode for NXP platforms
wonner163 0:4562b55bbb43 981 *
wonner163 0:4562b55bbb43 982 */
wonner163 0:4562b55bbb43 983 class TextLCD_SPI_N_3_9 : public TextLCD_Base {
wonner163 0:4562b55bbb43 984 public:
wonner163 0:4562b55bbb43 985 /** Create a TextLCD interface using a controller with native SPI3 9 bits interface
wonner163 0:4562b55bbb43 986 * Note: current mbed libs only support SPI 9 bit mode for NXP platforms
wonner163 0:4562b55bbb43 987 *
wonner163 0:4562b55bbb43 988 * @param spi SPI Bus
wonner163 0:4562b55bbb43 989 * @param cs chip select pin (active low)
wonner163 0:4562b55bbb43 990 * @param type Sets the panel size/addressing mode (default = LCD16x2)
wonner163 0:4562b55bbb43 991 * @param bl Backlight control line (optional, default = NC)
wonner163 0:4562b55bbb43 992 * @param ctrl LCD controller (default = AIP31068)
wonner163 0:4562b55bbb43 993 */
wonner163 0:4562b55bbb43 994 TextLCD_SPI_N_3_9(SPI *spi, PinName cs, LCDType type = LCD16x2, PinName bl = NC, LCDCtrl ctrl = AIP31068);
wonner163 0:4562b55bbb43 995 virtual ~TextLCD_SPI_N_3_9(void);
wonner163 0:4562b55bbb43 996
wonner163 0:4562b55bbb43 997 private:
wonner163 0:4562b55bbb43 998
wonner163 0:4562b55bbb43 999 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wonner163 0:4562b55bbb43 1000 * Set the Enable pin.
wonner163 0:4562b55bbb43 1001 */
wonner163 0:4562b55bbb43 1002 virtual void _setEnable(bool value);
wonner163 0:4562b55bbb43 1003
wonner163 0:4562b55bbb43 1004 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wonner163 0:4562b55bbb43 1005 * Set the RS pin (0 = Command, 1 = Data).
wonner163 0:4562b55bbb43 1006 */
wonner163 0:4562b55bbb43 1007 virtual void _setRS(bool value);
wonner163 0:4562b55bbb43 1008
wonner163 0:4562b55bbb43 1009 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wonner163 0:4562b55bbb43 1010 * Set the BL pin (0 = Backlight Off, 1 = Backlight On).
wonner163 0:4562b55bbb43 1011 */
wonner163 0:4562b55bbb43 1012 virtual void _setBL(bool value);
wonner163 0:4562b55bbb43 1013
wonner163 0:4562b55bbb43 1014 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wonner163 0:4562b55bbb43 1015 * Set the databus value (4 bit).
wonner163 0:4562b55bbb43 1016 */
wonner163 0:4562b55bbb43 1017 virtual void _setData(int value);
wonner163 0:4562b55bbb43 1018
wonner163 0:4562b55bbb43 1019 /** Low level writes to LCD serial bus only (serial native)
wonner163 0:4562b55bbb43 1020 */
wonner163 0:4562b55bbb43 1021 virtual void _writeByte(int value);
wonner163 0:4562b55bbb43 1022
wonner163 0:4562b55bbb43 1023 // SPI bus
wonner163 0:4562b55bbb43 1024 SPI *_spi;
wonner163 0:4562b55bbb43 1025 DigitalOut _cs;
wonner163 0:4562b55bbb43 1026
wonner163 0:4562b55bbb43 1027
wonner163 0:4562b55bbb43 1028 // controlbyte to select between data and command. Internal value for serial bus only
wonner163 0:4562b55bbb43 1029 char _controlbyte;
wonner163 0:4562b55bbb43 1030
wonner163 0:4562b55bbb43 1031 //Backlight
wonner163 0:4562b55bbb43 1032 DigitalOut *_bl;
wonner163 0:4562b55bbb43 1033 };
wonner163 0:4562b55bbb43 1034
wonner163 0:4562b55bbb43 1035 //-------- End TextLCD_SPI_N_3_9 ----------
wonner163 0:4562b55bbb43 1036 #endif
wonner163 0:4562b55bbb43 1037
wonner163 0:4562b55bbb43 1038
wonner163 0:4562b55bbb43 1039 #if(1)
wonner163 0:4562b55bbb43 1040 //------- Start TextLCD_SPI_N_3_10 ---------
wonner163 0:4562b55bbb43 1041
wonner163 0:4562b55bbb43 1042 /** Create a TextLCD interface using a controller with native SPI3 10 bits interface
wonner163 0:4562b55bbb43 1043 * Note: current mbed libs only support SPI 10 bit mode for NXP platforms
wonner163 0:4562b55bbb43 1044 *
wonner163 0:4562b55bbb43 1045 */
wonner163 0:4562b55bbb43 1046 class TextLCD_SPI_N_3_10 : public TextLCD_Base {
wonner163 0:4562b55bbb43 1047 public:
wonner163 0:4562b55bbb43 1048 /** Create a TextLCD interface using a controller with native SPI3 10 bits interface
wonner163 0:4562b55bbb43 1049 * Note: current mbed libs only support SPI 10 bit mode for NXP platforms
wonner163 0:4562b55bbb43 1050 *
wonner163 0:4562b55bbb43 1051 * @param spi SPI Bus
wonner163 0:4562b55bbb43 1052 * @param cs chip select pin (active low)
wonner163 0:4562b55bbb43 1053 * @param type Sets the panel size/addressing mode (default = LCD16x2)
wonner163 0:4562b55bbb43 1054 * @param bl Backlight control line (optional, default = NC)
wonner163 0:4562b55bbb43 1055 * @param ctrl LCD controller (default = AIP31068)
wonner163 0:4562b55bbb43 1056 */
wonner163 0:4562b55bbb43 1057 TextLCD_SPI_N_3_10(SPI *spi, PinName cs, LCDType type = LCD16x2, PinName bl = NC, LCDCtrl ctrl = AIP31068);
wonner163 0:4562b55bbb43 1058 virtual ~TextLCD_SPI_N_3_10(void);
wonner163 0:4562b55bbb43 1059
wonner163 0:4562b55bbb43 1060 private:
wonner163 0:4562b55bbb43 1061
wonner163 0:4562b55bbb43 1062 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wonner163 0:4562b55bbb43 1063 * Set the Enable pin.
wonner163 0:4562b55bbb43 1064 */
wonner163 0:4562b55bbb43 1065 virtual void _setEnable(bool value);
wonner163 0:4562b55bbb43 1066
wonner163 0:4562b55bbb43 1067 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wonner163 0:4562b55bbb43 1068 * Set the RS pin (0 = Command, 1 = Data).
wonner163 0:4562b55bbb43 1069 */
wonner163 0:4562b55bbb43 1070 virtual void _setRS(bool value);
wonner163 0:4562b55bbb43 1071
wonner163 0:4562b55bbb43 1072 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wonner163 0:4562b55bbb43 1073 * Set the BL pin (0 = Backlight Off, 1 = Backlight On).
wonner163 0:4562b55bbb43 1074 */
wonner163 0:4562b55bbb43 1075 virtual void _setBL(bool value);
wonner163 0:4562b55bbb43 1076
wonner163 0:4562b55bbb43 1077 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wonner163 0:4562b55bbb43 1078 * Set the databus value (4 bit).
wonner163 0:4562b55bbb43 1079 */
wonner163 0:4562b55bbb43 1080 virtual void _setData(int value);
wonner163 0:4562b55bbb43 1081
wonner163 0:4562b55bbb43 1082 /** Low level writes to LCD serial bus only (serial native)
wonner163 0:4562b55bbb43 1083 */
wonner163 0:4562b55bbb43 1084 virtual void _writeByte(int value);
wonner163 0:4562b55bbb43 1085
wonner163 0:4562b55bbb43 1086 // SPI bus
wonner163 0:4562b55bbb43 1087 SPI *_spi;
wonner163 0:4562b55bbb43 1088 DigitalOut _cs;
wonner163 0:4562b55bbb43 1089
wonner163 0:4562b55bbb43 1090
wonner163 0:4562b55bbb43 1091 // controlbyte to select between data and command. Internal value for serial bus only
wonner163 0:4562b55bbb43 1092 char _controlbyte;
wonner163 0:4562b55bbb43 1093
wonner163 0:4562b55bbb43 1094 //Backlight
wonner163 0:4562b55bbb43 1095 DigitalOut *_bl;
wonner163 0:4562b55bbb43 1096 };
wonner163 0:4562b55bbb43 1097
wonner163 0:4562b55bbb43 1098 //-------- End TextLCD_SPI_N_3_10 ----------
wonner163 0:4562b55bbb43 1099 #endif
wonner163 0:4562b55bbb43 1100
wonner163 0:4562b55bbb43 1101 #if(0)
wonner163 0:4562b55bbb43 1102 //Code not yet checked out on logic analyser. Not yet tested on hardware..
wonner163 0:4562b55bbb43 1103
wonner163 0:4562b55bbb43 1104 //------- Start TextLCD_SPI_N_3_16 ---------
wonner163 0:4562b55bbb43 1105
wonner163 0:4562b55bbb43 1106 /** Create a TextLCD interface using a controller with native SPI3 16 bits interface
wonner163 0:4562b55bbb43 1107 *
wonner163 0:4562b55bbb43 1108 */
wonner163 0:4562b55bbb43 1109 class TextLCD_SPI_N_3_16 : public TextLCD_Base {
wonner163 0:4562b55bbb43 1110 public:
wonner163 0:4562b55bbb43 1111 /** Create a TextLCD interface using a controller with native SPI3 16 bits interface
wonner163 0:4562b55bbb43 1112 *
wonner163 0:4562b55bbb43 1113 * @param spi SPI Bus
wonner163 0:4562b55bbb43 1114 * @param cs chip select pin (active low)
wonner163 0:4562b55bbb43 1115 * @param type Sets the panel size/addressing mode (default = LCD16x2)
wonner163 0:4562b55bbb43 1116 * @param bl Backlight control line (optional, default = NC)
wonner163 0:4562b55bbb43 1117 * @param ctrl LCD controller (default = PT6314)
wonner163 0:4562b55bbb43 1118 */
wonner163 0:4562b55bbb43 1119 TextLCD_SPI_N_3_16(SPI *spi, PinName cs, LCDType type = LCD16x2, PinName bl = NC, LCDCtrl ctrl = PT6314);
wonner163 0:4562b55bbb43 1120 virtual ~TextLCD_SPI_N_3_16(void);
wonner163 0:4562b55bbb43 1121
wonner163 0:4562b55bbb43 1122 private:
wonner163 0:4562b55bbb43 1123
wonner163 0:4562b55bbb43 1124 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wonner163 0:4562b55bbb43 1125 * Set the Enable pin.
wonner163 0:4562b55bbb43 1126 */
wonner163 0:4562b55bbb43 1127 virtual void _setEnable(bool value);
wonner163 0:4562b55bbb43 1128
wonner163 0:4562b55bbb43 1129 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wonner163 0:4562b55bbb43 1130 * Set the RS pin (0 = Command, 1 = Data).
wonner163 0:4562b55bbb43 1131 */
wonner163 0:4562b55bbb43 1132 virtual void _setRS(bool value);
wonner163 0:4562b55bbb43 1133
wonner163 0:4562b55bbb43 1134 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wonner163 0:4562b55bbb43 1135 * Set the BL pin (0 = Backlight Off, 1 = Backlight On).
wonner163 0:4562b55bbb43 1136 */
wonner163 0:4562b55bbb43 1137 virtual void _setBL(bool value);
wonner163 0:4562b55bbb43 1138
wonner163 0:4562b55bbb43 1139 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wonner163 0:4562b55bbb43 1140 * Set the databus value (4 bit).
wonner163 0:4562b55bbb43 1141 */
wonner163 0:4562b55bbb43 1142 virtual void _setData(int value);
wonner163 0:4562b55bbb43 1143
wonner163 0:4562b55bbb43 1144 /** Low level writes to LCD serial bus only (serial native)
wonner163 0:4562b55bbb43 1145 */
wonner163 0:4562b55bbb43 1146 virtual void _writeByte(int value);
wonner163 0:4562b55bbb43 1147
wonner163 0:4562b55bbb43 1148 // SPI bus
wonner163 0:4562b55bbb43 1149 SPI *_spi;
wonner163 0:4562b55bbb43 1150 DigitalOut _cs;
wonner163 0:4562b55bbb43 1151
wonner163 0:4562b55bbb43 1152 // controlbyte to select between data and command. Internal value for serial bus only
wonner163 0:4562b55bbb43 1153 char _controlbyte;
wonner163 0:4562b55bbb43 1154
wonner163 0:4562b55bbb43 1155 //Backlight
wonner163 0:4562b55bbb43 1156 DigitalOut *_bl;
wonner163 0:4562b55bbb43 1157 };
wonner163 0:4562b55bbb43 1158
wonner163 0:4562b55bbb43 1159 //-------- End TextLCD_SPI_N_3_16 ----------
wonner163 0:4562b55bbb43 1160 #endif
wonner163 0:4562b55bbb43 1161
wonner163 0:4562b55bbb43 1162 #if(1)
wonner163 0:4562b55bbb43 1163 //------- Start TextLCD_SPI_N_3_24 ---------
wonner163 0:4562b55bbb43 1164
wonner163 0:4562b55bbb43 1165 /** Create a TextLCD interface using a controller with native SPI3 24 bits interface
wonner163 0:4562b55bbb43 1166 * Note: lib uses SPI 8 bit mode
wonner163 0:4562b55bbb43 1167 *
wonner163 0:4562b55bbb43 1168 */
wonner163 0:4562b55bbb43 1169 class TextLCD_SPI_N_3_24 : public TextLCD_Base {
wonner163 0:4562b55bbb43 1170 public:
wonner163 0:4562b55bbb43 1171 /** Create a TextLCD interface using a controller with native SPI3 24 bits interface
wonner163 0:4562b55bbb43 1172 * Note: lib uses SPI 8 bit mode
wonner163 0:4562b55bbb43 1173 *
wonner163 0:4562b55bbb43 1174 * @param spi SPI Bus
wonner163 0:4562b55bbb43 1175 * @param cs chip select pin (active low)
wonner163 0:4562b55bbb43 1176 * @param type Sets the panel size/addressing mode (default = LCD16x2)
wonner163 0:4562b55bbb43 1177 * @param bl Backlight control line (optional, default = NC)
wonner163 0:4562b55bbb43 1178 * @param ctrl LCD controller (default = SSD1803)
wonner163 0:4562b55bbb43 1179 */
wonner163 0:4562b55bbb43 1180 TextLCD_SPI_N_3_24(SPI *spi, PinName cs, LCDType type = LCD16x2, PinName bl = NC, LCDCtrl ctrl = SSD1803_3V3);
wonner163 0:4562b55bbb43 1181 virtual ~TextLCD_SPI_N_3_24(void);
wonner163 0:4562b55bbb43 1182
wonner163 0:4562b55bbb43 1183 private:
wonner163 0:4562b55bbb43 1184
wonner163 0:4562b55bbb43 1185 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wonner163 0:4562b55bbb43 1186 * Set the Enable pin.
wonner163 0:4562b55bbb43 1187 */
wonner163 0:4562b55bbb43 1188 virtual void _setEnable(bool value);
wonner163 0:4562b55bbb43 1189
wonner163 0:4562b55bbb43 1190 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wonner163 0:4562b55bbb43 1191 * Set the RS pin (0 = Command, 1 = Data).
wonner163 0:4562b55bbb43 1192 */
wonner163 0:4562b55bbb43 1193 virtual void _setRS(bool value);
wonner163 0:4562b55bbb43 1194
wonner163 0:4562b55bbb43 1195 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wonner163 0:4562b55bbb43 1196 * Set the BL pin (0 = Backlight Off, 1 = Backlight On).
wonner163 0:4562b55bbb43 1197 */
wonner163 0:4562b55bbb43 1198 virtual void _setBL(bool value);
wonner163 0:4562b55bbb43 1199
wonner163 0:4562b55bbb43 1200 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wonner163 0:4562b55bbb43 1201 * Set the databus value (4 bit).
wonner163 0:4562b55bbb43 1202 */
wonner163 0:4562b55bbb43 1203 virtual void _setData(int value);
wonner163 0:4562b55bbb43 1204
wonner163 0:4562b55bbb43 1205 /** Low level writes to LCD serial bus only (serial native)
wonner163 0:4562b55bbb43 1206 */
wonner163 0:4562b55bbb43 1207 virtual void _writeByte(int value);
wonner163 0:4562b55bbb43 1208
wonner163 0:4562b55bbb43 1209 // SPI bus
wonner163 0:4562b55bbb43 1210 SPI *_spi;
wonner163 0:4562b55bbb43 1211 DigitalOut _cs;
wonner163 0:4562b55bbb43 1212
wonner163 0:4562b55bbb43 1213 // controlbyte to select between data and command. Internal value for serial bus only
wonner163 0:4562b55bbb43 1214 char _controlbyte;
wonner163 0:4562b55bbb43 1215
wonner163 0:4562b55bbb43 1216 //Backlight
wonner163 0:4562b55bbb43 1217 DigitalOut *_bl;
wonner163 0:4562b55bbb43 1218 };
wonner163 0:4562b55bbb43 1219
wonner163 0:4562b55bbb43 1220 //-------- End TextLCD_SPI_N_3_24 ----------
wonner163 0:4562b55bbb43 1221 #endif
wonner163 0:4562b55bbb43 1222
wonner163 0:4562b55bbb43 1223
wonner163 0:4562b55bbb43 1224 //--------- Start TextLCD_I2C_N -----------
wonner163 0:4562b55bbb43 1225
wonner163 0:4562b55bbb43 1226 /** Create a TextLCD interface using a controller with native I2C interface
wonner163 0:4562b55bbb43 1227 *
wonner163 0:4562b55bbb43 1228 */
wonner163 0:4562b55bbb43 1229 class TextLCD_I2C_N : public TextLCD_Base {
wonner163 0:4562b55bbb43 1230 public:
wonner163 0:4562b55bbb43 1231 /** Create a TextLCD interface using a controller with native I2C interface
wonner163 0:4562b55bbb43 1232 *
wonner163 0:4562b55bbb43 1233 * @param i2c I2C Bus
wonner163 0:4562b55bbb43 1234 * @param deviceAddress I2C slave address (default = ST7032_SA = 0x7C)
wonner163 0:4562b55bbb43 1235 * @param type Sets the panel size/addressing mode (default = LCD16x2)
wonner163 0:4562b55bbb43 1236 * @param bl Backlight control line (optional, default = NC)
wonner163 0:4562b55bbb43 1237 * @param ctrl LCD controller (default = ST7032_3V3)
wonner163 0:4562b55bbb43 1238 */
wonner163 0:4562b55bbb43 1239 TextLCD_I2C_N(I2C *i2c, char deviceAddress = ST7032_SA, LCDType type = LCD16x2, PinName bl = NC, LCDCtrl ctrl = ST7032_3V3);
wonner163 0:4562b55bbb43 1240 virtual ~TextLCD_I2C_N(void);
wonner163 0:4562b55bbb43 1241
wonner163 0:4562b55bbb43 1242 private:
wonner163 0:4562b55bbb43 1243
wonner163 0:4562b55bbb43 1244 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wonner163 0:4562b55bbb43 1245 * Set the Enable pin.
wonner163 0:4562b55bbb43 1246 */
wonner163 0:4562b55bbb43 1247 virtual void _setEnable(bool value);
wonner163 0:4562b55bbb43 1248
wonner163 0:4562b55bbb43 1249 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wonner163 0:4562b55bbb43 1250 * Set the RS pin ( 0 = Command, 1 = Data).
wonner163 0:4562b55bbb43 1251 */
wonner163 0:4562b55bbb43 1252 virtual void _setRS(bool value);
wonner163 0:4562b55bbb43 1253
wonner163 0:4562b55bbb43 1254 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wonner163 0:4562b55bbb43 1255 * Set the BL pin (0 = Backlight Off, 1 = Backlight On).
wonner163 0:4562b55bbb43 1256 */
wonner163 0:4562b55bbb43 1257 virtual void _setBL(bool value);
wonner163 0:4562b55bbb43 1258
wonner163 0:4562b55bbb43 1259 /** Implementation of pure Virtual Low level writes to LCD Bus (serial native)
wonner163 0:4562b55bbb43 1260 * Set the databus value (4 bit).
wonner163 0:4562b55bbb43 1261 */
wonner163 0:4562b55bbb43 1262 virtual void _setData(int value);
wonner163 0:4562b55bbb43 1263
wonner163 0:4562b55bbb43 1264 /** Low level writes to LCD serial bus only (serial native)
wonner163 0:4562b55bbb43 1265 */
wonner163 0:4562b55bbb43 1266 virtual void _writeByte(int value);
wonner163 0:4562b55bbb43 1267
wonner163 0:4562b55bbb43 1268 //I2C bus
wonner163 0:4562b55bbb43 1269 I2C *_i2c;
wonner163 0:4562b55bbb43 1270 char _slaveAddress;
wonner163 0:4562b55bbb43 1271
wonner163 0:4562b55bbb43 1272 // controlbyte to select between data and command. Internal value for serial bus only
wonner163 0:4562b55bbb43 1273 char _controlbyte;
wonner163 0:4562b55bbb43 1274
wonner163 0:4562b55bbb43 1275 //Backlight
wonner163 0:4562b55bbb43 1276 DigitalOut *_bl;
wonner163 0:4562b55bbb43 1277
wonner163 0:4562b55bbb43 1278 };
wonner163 0:4562b55bbb43 1279
wonner163 0:4562b55bbb43 1280 //---------- End TextLCD_I2C_N ------------
wonner163 0:4562b55bbb43 1281
wonner163 0:4562b55bbb43 1282
wonner163 0:4562b55bbb43 1283 #endif