thomas ya
for
Dependents: LV_FGSE_Controller_Interface
TextLCD.h@31:ef31cd8a00d1, 2014-06-29 (annotated)
- Committer:
- wim
- Date:
- Sun Jun 29 14:55:50 2014 +0000
- Revision:
- 31:ef31cd8a00d1
- Parent:
- 30:033048611c01
- Child:
- 32:59c4b8f648d4
Added Support for native I2C controllers (PCF21XX, AIP31068), added LCDTypes for 3 and 4 line displays. Encoded features in LCDTypes and LCDCtrl enumerators to ease code maintenance and improve sanity checks.
Who changed what in which revision?
| User | Revision | Line number | New 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 |
| wim | 17:652ab113bc2e | 6 | * 2013, v04: WH, Added support for Display On/Off, improved 4bit bootprocess |
| wim | 18:bd65dc10f27f | 7 | * 2013, v05: WH, Added support for 8x2B, added some UDCs |
| wim | 19:c747b9e2e7b8 | 8 | * 2013, v06: WH, Added support for devices that use internal DC/DC converters |
| wim | 20:e0da005a777f | 9 | * 2013, v07: WH, Added support for backlight and include portdefinitions for LCD2004 Module from DFROBOT |
| wim | 21:9eb628d9e164 | 10 | * 2014, v08: WH, Refactored in Base and Derived Classes to deal with mbed lib change regarding 'NC' defined DigitalOut pins |
| wim | 25:6162b31128c9 | 11 | * 2014, v09: WH/EO, Added Class for Native SPI controllers such as ST7032 |
| wim | 26:bd897a001012 | 12 | * 2014, v10: WH, Added Class for Native I2C controllers such as ST7032i, Added support for MCP23008 I2C portexpander, Added support for Adafruit module |
| wim | 30:033048611c01 | 13 | * 2014, v11: WH, Added support for native I2C controllers such as PCF21XX, Improved the _initCtrl() method to deal with differences between all supported controllers |
| simon | 1:ac48b187213c | 14 | * |
| simon | 1:ac48b187213c | 15 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| simon | 1:ac48b187213c | 16 | * of this software and associated documentation files (the "Software"), to deal |
| simon | 1:ac48b187213c | 17 | * in the Software without restriction, including without limitation the rights |
| simon | 1:ac48b187213c | 18 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| simon | 1:ac48b187213c | 19 | * copies of the Software, and to permit persons to whom the Software is |
| simon | 1:ac48b187213c | 20 | * furnished to do so, subject to the following conditions: |
| simon | 2:227356c7d12c | 21 | * |
| simon | 1:ac48b187213c | 22 | * The above copyright notice and this permission notice shall be included in |
| simon | 1:ac48b187213c | 23 | * all copies or substantial portions of the Software. |
| simon | 2:227356c7d12c | 24 | * |
| simon | 1:ac48b187213c | 25 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| simon | 1:ac48b187213c | 26 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| simon | 1:ac48b187213c | 27 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| simon | 1:ac48b187213c | 28 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| simon | 1:ac48b187213c | 29 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| simon | 1:ac48b187213c | 30 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| simon | 1:ac48b187213c | 31 | * THE SOFTWARE. |
| simon | 1:ac48b187213c | 32 | */ |
| simon | 1:ac48b187213c | 33 | |
| simon | 1:ac48b187213c | 34 | #ifndef MBED_TEXTLCD_H |
| simon | 1:ac48b187213c | 35 | #define MBED_TEXTLCD_H |
| simon | 1:ac48b187213c | 36 | |
| simon | 1:ac48b187213c | 37 | #include "mbed.h" |
| simon | 2:227356c7d12c | 38 | |
| simon | 5:a53b3e2d6f1e | 39 | /** A TextLCD interface for driving 4-bit HD44780-based LCDs |
| simon | 2:227356c7d12c | 40 | * |
| wim | 30:033048611c01 | 41 | * Currently supports 8x1, 8x2, 12x3, 12x4, 16x1, 16x2, 16x4, 20x2, 20x4, 24x1, 24x2, 24x4, 40x2 and 40x4 panels |
| wim | 27:22d5086f6ba6 | 42 | * Interface options include direct mbed pins, I2C portexpander (PCF8474/PCF8574A or MCP23008) or SPI bus shiftregister (74595). |
| wim | 27:22d5086f6ba6 | 43 | * Supports some controllers with native I2C or SP interface. Supports some controllers that provide internal DC/DC converters for VLCD or VLED. |
| simon | 2:227356c7d12c | 44 | * |
| simon | 2:227356c7d12c | 45 | * @code |
| simon | 2:227356c7d12c | 46 | * #include "mbed.h" |
| simon | 2:227356c7d12c | 47 | * #include "TextLCD.h" |
| simon | 5:a53b3e2d6f1e | 48 | * |
| wim | 16:c276b75e6585 | 49 | * // I2C Communication |
| wim | 16:c276b75e6585 | 50 | * I2C i2c_lcd(p28,p27); // SDA, SCL |
| wim | 16:c276b75e6585 | 51 | * |
| wim | 16:c276b75e6585 | 52 | * // SPI Communication |
| wim | 16:c276b75e6585 | 53 | * SPI spi_lcd(p5, NC, p7); // MOSI, MISO, SCLK |
| wim | 16:c276b75e6585 | 54 | * |
| wim | 22:35742ec80c24 | 55 | * //TextLCD lcd(p15, p16, p17, p18, p19, p20); // RS, E, D4-D7, LCDType=LCD16x2, BL=NC, E2=NC, LCDTCtrl=HD44780 |
| wim | 28:30fa94f7341c | 56 | * //TextLCD_SPI lcd(&spi_lcd, p8, TextLCD::LCD40x4); // SPI bus, 74595 expander, CS pin, LCD Type |
| wim | 22:35742ec80c24 | 57 | * TextLCD_I2C lcd(&i2c_lcd, 0x42, TextLCD::LCD20x4); // I2C bus, PCF8574 Slaveaddress, LCD Type |
| wim | 21:9eb628d9e164 | 58 | * //TextLCD_I2C lcd(&i2c_lcd, 0x42, TextLCD::LCD16x2, TextLCD::WS0010); // I2C bus, PCF8574 Slaveaddress, LCD Type, Device Type |
| wim | 27:22d5086f6ba6 | 59 | * //TextLCD_SPI_N lcd(&spi_lcd, p8, p9); // SPI bus, CS pin, RS pin, LCDType=LCD16x2, BL=NC, LCDTCtrl=ST7032_3V3 |
| wim | 28:30fa94f7341c | 60 | * //TextLCD_I2C_N lcd(&i2c_lcd, ST7032_SA, TextLCD::LCD16x2, NC, TextLCD::ST7032_3V3); // I2C bus, Slaveaddress, LCD Type, BL=NC, LCDTCtrl=ST7032_3V3 |
| simon | 5:a53b3e2d6f1e | 61 | * |
| simon | 2:227356c7d12c | 62 | * int main() { |
| wim | 16:c276b75e6585 | 63 | * lcd.printf("Hello World!\n"); |
| simon | 2:227356c7d12c | 64 | * } |
| simon | 2:227356c7d12c | 65 | * @endcode |
| simon | 2:227356c7d12c | 66 | */ |
| wim | 8:03116f75b66e | 67 | |
| wim | 26:bd897a001012 | 68 | |
| wim | 26:bd897a001012 | 69 | //Pin Defines for I2C PCF8574/PCF8574A or MCP23008 and SPI 74595 bus expander interfaces |
| wim | 13:24506ba22480 | 70 | //LCD and serial portexpanders should be wired accordingly |
| wim | 20:e0da005a777f | 71 | // |
| wim | 26:bd897a001012 | 72 | //Select Hardware module (one option only) |
| wim | 31:ef31cd8a00d1 | 73 | #define DEFAULT 1 |
| wim | 31:ef31cd8a00d1 | 74 | #define ADAFRUIT 0 |
| wim | 26:bd897a001012 | 75 | #define DFROBOT 0 |
| wim | 26:bd897a001012 | 76 | |
| wim | 26:bd897a001012 | 77 | #if (DEFAULT==1) |
| wim | 29:a3663151aa65 | 78 | //Definitions for default (WH) mapping between serial port expander pins and LCD controller |
| wim | 26:bd897a001012 | 79 | //This hardware supports the I2C bus expander (PCF8574/PCF8574A or MCP23008) and SPI bus expander (74595) interfaces |
| wim | 29:a3663151aa65 | 80 | //See https://mbed.org/cookbook/Text-LCD-Enhanced |
| wim | 26:bd897a001012 | 81 | // |
| wim | 13:24506ba22480 | 82 | //Note: LCD RW pin must be connected to GND |
| wim | 15:b70ebfffb258 | 83 | // E2 is used for LCD40x4 (second controller) |
| wim | 26:bd897a001012 | 84 | // BL may be used to control backlight |
| wim | 15:b70ebfffb258 | 85 | #define D_LCD_PIN_D4 0 |
| wim | 15:b70ebfffb258 | 86 | #define D_LCD_PIN_D5 1 |
| wim | 15:b70ebfffb258 | 87 | #define D_LCD_PIN_D6 2 |
| wim | 15:b70ebfffb258 | 88 | #define D_LCD_PIN_D7 3 |
| wim | 15:b70ebfffb258 | 89 | #define D_LCD_PIN_RS 4 |
| wim | 15:b70ebfffb258 | 90 | #define D_LCD_PIN_E 5 |
| wim | 15:b70ebfffb258 | 91 | #define D_LCD_PIN_E2 6 |
| wim | 15:b70ebfffb258 | 92 | #define D_LCD_PIN_BL 7 |
| wim | 13:24506ba22480 | 93 | |
| wim | 20:e0da005a777f | 94 | #define D_LCD_PIN_RW D_LCD_PIN_E2 |
| wim | 20:e0da005a777f | 95 | |
| wim | 26:bd897a001012 | 96 | //Select I2C Portexpander type (one option only) |
| wim | 26:bd897a001012 | 97 | #define PCF8574 1 |
| wim | 26:bd897a001012 | 98 | #define MCP23008 0 |
| wim | 26:bd897a001012 | 99 | #endif |
| wim | 20:e0da005a777f | 100 | |
| wim | 26:bd897a001012 | 101 | #if (ADAFRUIT==1) |
| wim | 29:a3663151aa65 | 102 | //Definitions for Adafruit i2cspilcdbackpack mapping between serial port expander pins and LCD controller |
| wim | 26:bd897a001012 | 103 | //This hardware supports both an I2C expander (MCP23008) and an SPI expander (74595) selectable by a jumper. |
| wim | 29:a3663151aa65 | 104 | //See http://www.ladyada.net/products/i2cspilcdbackpack |
| wim | 26:bd897a001012 | 105 | // |
| wim | 26:bd897a001012 | 106 | //Note: LCD RW pin must be kept LOW |
| wim | 26:bd897a001012 | 107 | // E2 is not available on this hardware and so it does not support LCD40x4 (second controller) |
| wim | 26:bd897a001012 | 108 | // BL is used to control backlight |
| wim | 26:bd897a001012 | 109 | #define D_LCD_PIN_0 0 |
| wim | 26:bd897a001012 | 110 | #define D_LCD_PIN_RS 1 |
| wim | 26:bd897a001012 | 111 | #define D_LCD_PIN_E 2 |
| wim | 26:bd897a001012 | 112 | #define D_LCD_PIN_D4 3 |
| wim | 26:bd897a001012 | 113 | #define D_LCD_PIN_D5 4 |
| wim | 26:bd897a001012 | 114 | #define D_LCD_PIN_D6 5 |
| wim | 26:bd897a001012 | 115 | #define D_LCD_PIN_D7 6 |
| wim | 26:bd897a001012 | 116 | #define D_LCD_PIN_BL 7 |
| wim | 26:bd897a001012 | 117 | |
| wim | 26:bd897a001012 | 118 | #define D_LCD_PIN_E2 D_LCD_PIN_0 |
| wim | 26:bd897a001012 | 119 | |
| wim | 26:bd897a001012 | 120 | //Force I2C portexpander type |
| wim | 26:bd897a001012 | 121 | #define PCF8574 0 |
| wim | 26:bd897a001012 | 122 | #define MCP23008 1 |
| wim | 26:bd897a001012 | 123 | #endif |
| wim | 26:bd897a001012 | 124 | |
| wim | 26:bd897a001012 | 125 | #if (DFROBOT==1) |
| wim | 29:a3663151aa65 | 126 | //Definitions for DFROBOT LCD2004 Module mapping between serial port expander pins and LCD controller |
| wim | 26:bd897a001012 | 127 | //This hardware uses PCF8574 and is different from earlier/different Arduino I2C LCD displays |
| wim | 29:a3663151aa65 | 128 | //See http://arduino-info.wikispaces.com/LCD-Blue-I2C |
| wim | 26:bd897a001012 | 129 | // |
| wim | 20:e0da005a777f | 130 | //Note: LCD RW pin must be kept LOW |
| wim | 26:bd897a001012 | 131 | // E2 is not available on default Arduino hardware and so it does not support LCD40x4 (second controller) |
| wim | 20:e0da005a777f | 132 | // BL is used to control backlight |
| wim | 20:e0da005a777f | 133 | #define D_LCD_PIN_RS 0 |
| wim | 20:e0da005a777f | 134 | #define D_LCD_PIN_RW 1 |
| wim | 20:e0da005a777f | 135 | #define D_LCD_PIN_E 2 |
| wim | 20:e0da005a777f | 136 | #define D_LCD_PIN_BL 3 |
| wim | 20:e0da005a777f | 137 | #define D_LCD_PIN_D4 4 |
| wim | 20:e0da005a777f | 138 | #define D_LCD_PIN_D5 5 |
| wim | 20:e0da005a777f | 139 | #define D_LCD_PIN_D6 6 |
| wim | 20:e0da005a777f | 140 | #define D_LCD_PIN_D7 7 |
| wim | 20:e0da005a777f | 141 | |
| wim | 20:e0da005a777f | 142 | #define D_LCD_PIN_E2 D_LCD_PIN_RW |
| wim | 26:bd897a001012 | 143 | |
| wim | 26:bd897a001012 | 144 | //Force I2C portexpander type |
| wim | 26:bd897a001012 | 145 | #define PCF8574 1 |
| wim | 26:bd897a001012 | 146 | #define MCP23008 0 |
| wim | 20:e0da005a777f | 147 | #endif |
| wim | 13:24506ba22480 | 148 | |
| wim | 26:bd897a001012 | 149 | //Bitpattern Defines for I2C PCF8574/PCF8574A, MCP23008 and SPI 74595 Bus expanders |
| wim | 13:24506ba22480 | 150 | // |
| wim | 13:24506ba22480 | 151 | #define D_LCD_D4 (1<<D_LCD_PIN_D4) |
| wim | 13:24506ba22480 | 152 | #define D_LCD_D5 (1<<D_LCD_PIN_D5) |
| wim | 13:24506ba22480 | 153 | #define D_LCD_D6 (1<<D_LCD_PIN_D6) |
| wim | 13:24506ba22480 | 154 | #define D_LCD_D7 (1<<D_LCD_PIN_D7) |
| wim | 13:24506ba22480 | 155 | #define D_LCD_RS (1<<D_LCD_PIN_RS) |
| wim | 13:24506ba22480 | 156 | #define D_LCD_E (1<<D_LCD_PIN_E) |
| wim | 13:24506ba22480 | 157 | #define D_LCD_E2 (1<<D_LCD_PIN_E2) |
| wim | 13:24506ba22480 | 158 | #define D_LCD_BL (1<<D_LCD_PIN_BL) |
| wim | 20:e0da005a777f | 159 | //#define D_LCD_RW (1<<D_LCD_PIN_RW) |
| wim | 20:e0da005a777f | 160 | |
| wim | 20:e0da005a777f | 161 | #define D_LCD_BUS_MSK (D_LCD_D4 | D_LCD_D5 | D_LCD_D6 | D_LCD_D7) |
| wim | 20:e0da005a777f | 162 | #define D_LCD_BUS_DEF 0x00 |
| wim | 13:24506ba22480 | 163 | |
| wim | 26:bd897a001012 | 164 | /* PCF8574/PCF8574A I2C portexpander slave address */ |
| wim | 30:033048611c01 | 165 | #define PCF8574_SA0 0x40 |
| wim | 30:033048611c01 | 166 | #define PCF8574_SA1 0x42 |
| wim | 30:033048611c01 | 167 | #define PCF8574_SA2 0x44 |
| wim | 30:033048611c01 | 168 | #define PCF8574_SA3 0x46 |
| wim | 30:033048611c01 | 169 | #define PCF8574_SA4 0x48 |
| wim | 30:033048611c01 | 170 | #define PCF8574_SA5 0x4A |
| wim | 30:033048611c01 | 171 | #define PCF8574_SA6 0x4C |
| wim | 30:033048611c01 | 172 | #define PCF8574_SA7 0x4E |
| wim | 26:bd897a001012 | 173 | |
| wim | 30:033048611c01 | 174 | #define PCF8574A_SA0 0x70 |
| wim | 30:033048611c01 | 175 | #define PCF8574A_SA1 0x72 |
| wim | 30:033048611c01 | 176 | #define PCF8574A_SA2 0x74 |
| wim | 30:033048611c01 | 177 | #define PCF8574A_SA3 0x76 |
| wim | 30:033048611c01 | 178 | #define PCF8574A_SA4 0x78 |
| wim | 30:033048611c01 | 179 | #define PCF8574A_SA5 0x7A |
| wim | 30:033048611c01 | 180 | #define PCF8574A_SA6 0x7C |
| wim | 30:033048611c01 | 181 | #define PCF8574A_SA7 0x7E |
| wim | 26:bd897a001012 | 182 | |
| wim | 26:bd897a001012 | 183 | /* MCP23008 I2C portexpander slave address */ |
| wim | 30:033048611c01 | 184 | #define MCP23008_SA0 0x40 |
| wim | 30:033048611c01 | 185 | #define MCP23008_SA1 0x42 |
| wim | 30:033048611c01 | 186 | #define MCP23008_SA2 0x44 |
| wim | 30:033048611c01 | 187 | #define MCP23008_SA3 0x46 |
| wim | 30:033048611c01 | 188 | #define MCP23008_SA4 0x48 |
| wim | 30:033048611c01 | 189 | #define MCP23008_SA5 0x4A |
| wim | 30:033048611c01 | 190 | #define MCP23008_SA6 0x4C |
| wim | 30:033048611c01 | 191 | #define MCP23008_SA7 0x4E |
| wim | 26:bd897a001012 | 192 | |
| wim | 26:bd897a001012 | 193 | /* MCP23008 I2C portexpander internal registers */ |
| wim | 30:033048611c01 | 194 | #define IODIR 0x00 |
| wim | 30:033048611c01 | 195 | #define IPOL 0x01 |
| wim | 30:033048611c01 | 196 | #define GPINTEN 0x02 |
| wim | 30:033048611c01 | 197 | #define DEFVAL 0x03 |
| wim | 30:033048611c01 | 198 | #define INTCON 0x04 |
| wim | 30:033048611c01 | 199 | #define IOCON 0x05 |
| wim | 30:033048611c01 | 200 | #define GPPU 0x06 |
| wim | 30:033048611c01 | 201 | #define INTF 0x07 |
| wim | 30:033048611c01 | 202 | #define INTCAP 0x08 |
| wim | 30:033048611c01 | 203 | #define GPIO 0x09 |
| wim | 30:033048611c01 | 204 | #define OLAT 0x0A |
| wim | 26:bd897a001012 | 205 | |
| wim | 26:bd897a001012 | 206 | |
| wim | 26:bd897a001012 | 207 | /* ST7032I I2C slave address */ |
| wim | 30:033048611c01 | 208 | #define ST7032_SA 0x7C |
| wim | 26:bd897a001012 | 209 | |
| wim | 29:a3663151aa65 | 210 | /* PCF21XX I2C slave address */ |
| wim | 30:033048611c01 | 211 | #define PCF21XX_SA0 0x74 |
| wim | 30:033048611c01 | 212 | #define PCF21XX_SA1 0x76 |
| wim | 30:033048611c01 | 213 | |
| wim | 30:033048611c01 | 214 | /* AIP31068 I2C slave address */ |
| wim | 30:033048611c01 | 215 | #define AIP31068_SA 0x7C |
| wim | 30:033048611c01 | 216 | |
| wim | 30:033048611c01 | 217 | /* LCD Type information on Rows, Columns and Variant. This information is encoded in |
| wim | 30:033048611c01 | 218 | * an int and used for the LCDType enumerators in order to simplify code maintenance */ |
| wim | 30:033048611c01 | 219 | // Columns encoded in b7..b0 |
| wim | 30:033048611c01 | 220 | #define LCD_T_COL_MSK 0x000000FF |
| wim | 30:033048611c01 | 221 | #define LCD_T_C8 0x00000008 |
| wim | 30:033048611c01 | 222 | #define LCD_T_C10 0x0000000A |
| wim | 30:033048611c01 | 223 | #define LCD_T_C12 0x0000000C |
| wim | 30:033048611c01 | 224 | #define LCD_T_C16 0x00000010 |
| wim | 30:033048611c01 | 225 | #define LCD_T_C20 0x00000014 |
| wim | 30:033048611c01 | 226 | #define LCD_T_C24 0x00000018 |
| wim | 30:033048611c01 | 227 | #define LCD_T_C32 0x00000020 |
| wim | 30:033048611c01 | 228 | #define LCD_T_C40 0x00000028 |
| wim | 30:033048611c01 | 229 | |
| wim | 30:033048611c01 | 230 | // Rows encoded in b15..b8 |
| wim | 30:033048611c01 | 231 | #define LCD_T_ROW_MSK 0x0000FF00 |
| wim | 30:033048611c01 | 232 | #define LCD_T_R1 0x00000100 |
| wim | 30:033048611c01 | 233 | #define LCD_T_R2 0x00000200 |
| wim | 30:033048611c01 | 234 | #define LCD_T_R3 0x00000300 |
| wim | 30:033048611c01 | 235 | #define LCD_T_R4 0x00000400 |
| wim | 30:033048611c01 | 236 | |
| wim | 30:033048611c01 | 237 | // Addressing mode encoded in b19..b16 |
| wim | 30:033048611c01 | 238 | #define LCD_T_ADR_MSK 0x000F0000 |
| wim | 30:033048611c01 | 239 | #define LCD_T_A 0x00000000 /*Mode A (Default), 1, 2 or 4 line display */ |
| wim | 30:033048611c01 | 240 | #define LCD_T_B 0x00010000 /*Mode B, Alternate 8x2 (actually 16x1 display) */ |
| wim | 30:033048611c01 | 241 | #define LCD_T_C 0x00020000 /*Mode C, Alternate 16x1 (actually 8x2 display) */ |
| wim | 30:033048611c01 | 242 | #define LCD_T_D 0x00030000 /*Mode D, Alternate 3 or 4 line display (12x4, 24x4) */ |
| wim | 30:033048611c01 | 243 | #define LCD_T_D1 0x00040000 /*Mode D1, Alternate 3 or 4 line display (12x4, 24x4) */ |
| wim | 30:033048611c01 | 244 | #define LCD_T_E 0x00050000 /*Mode E, 4x40 display (actually two 40x2) */ |
| wim | 30:033048611c01 | 245 | |
| wim | 30:033048611c01 | 246 | /* LCD Ctrl information on interface support and features. This information is encoded in |
| wim | 30:033048611c01 | 247 | * an int and used for the LCDCtrl enumerators in order to simplify code maintenance */ |
| wim | 30:033048611c01 | 248 | // Interface encoded in b31..b24 |
| wim | 30:033048611c01 | 249 | #define LCD_C_BUS_MSK 0xFF000000 |
| wim | 30:033048611c01 | 250 | #define LCD_C_PAR 0x01000000 /*Parallel 4 or 8 bit data, E pin */ |
| wim | 30:033048611c01 | 251 | #define LCD_C_SPI3_9 0x02000000 /*SPI 3 line (MOSI, SCL, CS pins), 9 bits (RS + 8 Data) */ |
| wim | 30:033048611c01 | 252 | #define LCD_C_SPI3_10 0x04000000 /*SPI 3 line (MOSI, SCL, CS pins), 10 bits (RS, RW + 8 Data) */ |
| wim | 30:033048611c01 | 253 | #define LCD_C_SPI4 0x08000000 /*SPI 4 line (MOSI, SCL, CS, RS pin) */ |
| wim | 30:033048611c01 | 254 | #define LCD_C_I2C 0x10000000 /*I2C (SDA, SCL pin) */ |
| wim | 30:033048611c01 | 255 | // Features encoded in b23..b16 |
| wim | 30:033048611c01 | 256 | #define LCD_C_FTR_MSK 0x00FF0000 |
| wim | 30:033048611c01 | 257 | #define LCD_C_BST 0x00010000 /*Booster */ |
| wim | 30:033048611c01 | 258 | #define LCD_C_CTR 0x00010000 /*Contrast Control */ |
| wim | 30:033048611c01 | 259 | #define LCD_C_ICN 0x00020000 /*Icons */ |
| wim | 13:24506ba22480 | 260 | |
| wim | 13:24506ba22480 | 261 | /** Some sample User Defined Chars 5x7 dots */ |
| wim | 30:033048611c01 | 262 | extern const char udc_ae[]; //æ |
| wim | 30:033048611c01 | 263 | extern const char udc_0e[]; //ø |
| wim | 30:033048611c01 | 264 | extern const char udc_ao[]; //å |
| wim | 30:033048611c01 | 265 | extern const char udc_AE[]; //Æ |
| wim | 30:033048611c01 | 266 | extern const char udc_0E[]; //Ø |
| wim | 30:033048611c01 | 267 | extern const char udc_Ao[]; //Å |
| wim | 30:033048611c01 | 268 | extern const char udc_PO[]; //Padlock Open |
| wim | 30:033048611c01 | 269 | extern const char udc_PC[]; //Padlock Closed |
| wim | 11:9ec02df863a1 | 270 | |
| wim | 30:033048611c01 | 271 | extern const char udc_0[]; // |> |
| wim | 30:033048611c01 | 272 | extern const char udc_1[]; // <| |
| wim | 30:033048611c01 | 273 | extern const char udc_2[]; // | |
| wim | 30:033048611c01 | 274 | extern const char udc_3[]; // || |
| wim | 30:033048611c01 | 275 | extern const char udc_4[]; // ||| |
| wim | 30:033048611c01 | 276 | extern const char udc_5[]; // = |
| wim | 30:033048611c01 | 277 | extern const char udc_6[]; // checkerboard |
| wim | 30:033048611c01 | 278 | extern const char udc_7[]; // \ |
| wim | 11:9ec02df863a1 | 279 | |
| wim | 30:033048611c01 | 280 | extern const char udc_degr[]; // Degree symbol |
| wim | 13:24506ba22480 | 281 | |
| wim | 30:033048611c01 | 282 | extern const char udc_TM_T[]; // Trademark T |
| wim | 30:033048611c01 | 283 | extern const char udc_TM_M[]; // Trademark M |
| wim | 13:24506ba22480 | 284 | |
| wim | 30:033048611c01 | 285 | //extern const char udc_Bat_Hi[]; // Battery Full |
| wim | 30:033048611c01 | 286 | //extern const char udc_Bat_Ha[]; // Battery Half |
| wim | 30:033048611c01 | 287 | //extern const char udc_Bat_Lo[]; // Battery Low |
| wim | 30:033048611c01 | 288 | extern const char udc_Bat_Hi[]; // Battery Full |
| wim | 30:033048611c01 | 289 | extern const char udc_Bat_Ha[]; // Battery Half |
| wim | 30:033048611c01 | 290 | extern const char udc_Bat_Lo[]; // Battery Low |
| wim | 30:033048611c01 | 291 | extern const char udc_AC[]; // AC Power |
| wim | 13:24506ba22480 | 292 | |
| wim | 30:033048611c01 | 293 | //extern const char udc_smiley[]; // Smiley |
| wim | 30:033048611c01 | 294 | //extern const char udc_droopy[]; // Droopey |
| wim | 30:033048611c01 | 295 | //extern const char udc_note[]; // Note |
| wim | 18:bd65dc10f27f | 296 | |
| wim | 30:033048611c01 | 297 | //extern const char udc_bar_1[]; // Bar 1 |
| wim | 30:033048611c01 | 298 | //extern const char udc_bar_2[]; // Bar 11 |
| wim | 30:033048611c01 | 299 | //extern const char udc_bar_3[]; // Bar 111 |
| wim | 30:033048611c01 | 300 | //extern const char udc_bar_4[]; // Bar 1111 |
| wim | 30:033048611c01 | 301 | //extern const char udc_bar_5[]; // Bar 11111 |
| wim | 13:24506ba22480 | 302 | |
| wim | 30:033048611c01 | 303 | //extern const char udc_ch_1[]; // Hor bars 4 |
| wim | 30:033048611c01 | 304 | //extern const char udc_ch_2[]; // Hor bars 4 (inverted) |
| wim | 30:033048611c01 | 305 | //extern const char udc_ch_3[]; // Ver bars 3 |
| wim | 30:033048611c01 | 306 | //extern const char udc_ch_4[]; // Ver bars 3 (inverted) |
| wim | 30:033048611c01 | 307 | //extern const char udc_ch_yr[]; // Year (kana) |
| wim | 30:033048611c01 | 308 | //extern const char udc_ch_mo[]; // Month (kana) |
| wim | 30:033048611c01 | 309 | //extern const char udc_ch_dy[]; // Day (kana) |
| wim | 30:033048611c01 | 310 | //extern const char udc_ch_mi[]; // minute (kana) |
| wim | 11:9ec02df863a1 | 311 | |
| wim | 11:9ec02df863a1 | 312 | /** A TextLCD interface for driving 4-bit HD44780-based LCDs |
| wim | 11:9ec02df863a1 | 313 | * |
| wim | 22:35742ec80c24 | 314 | * @brief Currently supports 8x1, 8x2, 12x2, 12x4, 16x1, 16x2, 16x4, 20x2, 20x4, 24x2, 24x4, 40x2 and 40x4 panels |
| wim | 27:22d5086f6ba6 | 315 | * Interface options include direct mbed pins, I2C portexpander (PCF8474/PCF8574A or MCP23008) or SPI bus shiftregister (74595) and some native I2C or SPI devices |
| wim | 11:9ec02df863a1 | 316 | * |
| wim | 11:9ec02df863a1 | 317 | */ |
| wim | 21:9eb628d9e164 | 318 | class TextLCD_Base : public Stream { |
| simon | 1:ac48b187213c | 319 | public: |
| simon | 1:ac48b187213c | 320 | |
| simon | 2:227356c7d12c | 321 | /** LCD panel format */ |
| simon | 1:ac48b187213c | 322 | enum LCDType { |
| wim | 30:033048611c01 | 323 | LCD8x1 = (LCD_T_A | LCD_T_C8 | LCD_T_R1), /**< 8x1 LCD panel */ |
| wim | 30:033048611c01 | 324 | LCD8x2 = (LCD_T_A | LCD_T_C8 | LCD_T_R2), /**< 8x2 LCD panel */ |
| wim | 30:033048611c01 | 325 | LCD8x2B = (LCD_T_D | LCD_T_C8 | LCD_T_R2), /**< 8x2 LCD panel (actually 16x1) */ |
| wim | 30:033048611c01 | 326 | // LCD12x1 = (LCD_T_A | LCD_T_C12 | LCD_T_R1), /**< 12x1 LCD panel */ |
| wim | 30:033048611c01 | 327 | LCD12x2 = (LCD_T_A | LCD_T_C12 | LCD_T_R2), /**< 12x2 LCD panel */ |
| wim | 30:033048611c01 | 328 | LCD12x3D = (LCD_T_D | LCD_T_C12 | LCD_T_R3), /**< 12x3 LCD panel, special mode PCF21XX */ |
| wim | 30:033048611c01 | 329 | LCD12x3D1 = (LCD_T_D1 | LCD_T_C12 | LCD_T_R3), /**< 12x3 LCD panel, special mode PCF21XX */ |
| wim | 30:033048611c01 | 330 | LCD12x4 = (LCD_T_A | LCD_T_C12 | LCD_T_R4), /**< 12x4 LCD panel */ |
| wim | 30:033048611c01 | 331 | LCD12x4D = (LCD_T_B | LCD_T_C12 | LCD_T_R4), /**< 12x4 LCD panel, special mode PCF21XX */ |
| wim | 30:033048611c01 | 332 | LCD16x1 = (LCD_T_A | LCD_T_C16 | LCD_T_R1), /**< 16x1 LCD panel */ |
| wim | 30:033048611c01 | 333 | LCD16x1C = (LCD_T_C | LCD_T_C16 | LCD_T_R1), /**< 16x1 LCD panel (actually 8x2) */ |
| wim | 30:033048611c01 | 334 | LCD16x2 = (LCD_T_A | LCD_T_C16 | LCD_T_R2), /**< 16x2 LCD panel (default) */ |
| wim | 30:033048611c01 | 335 | // LCD16x2B = (LCD_T_B | LCD_T_C16 | LCD_T_R2), /**< 16x2 LCD panel, alternate addressing, wrong.. */ |
| wim | 30:033048611c01 | 336 | // LCD16x3D = (LCD_T_D | LCD_T_C16 | LCD_T_R3), /**< 16x3 LCD panel, special mode ST7036 */ |
| wim | 30:033048611c01 | 337 | LCD16x4 = (LCD_T_A | LCD_T_C16 | LCD_T_R4), /**< 16x4 LCD panel */ |
| wim | 30:033048611c01 | 338 | // LCD20x1 = (LCD_T_A | LCD_T_C20 | LCD_T_R1), /**< 20x1 LCD panel */ |
| wim | 30:033048611c01 | 339 | LCD20x2 = (LCD_T_A | LCD_T_C20 | LCD_T_R2), /**< 20x2 LCD panel */ |
| wim | 30:033048611c01 | 340 | LCD20x4 = (LCD_T_A | LCD_T_C20 | LCD_T_R4), /**< 20x4 LCD panel */ |
| wim | 30:033048611c01 | 341 | LCD24x1 = (LCD_T_A | LCD_T_C24 | LCD_T_R1), /**< 24x1 LCD panel */ |
| wim | 30:033048611c01 | 342 | LCD24x2 = (LCD_T_A | LCD_T_C24 | LCD_T_R2), /**< 24x2 LCD panel */ |
| wim | 30:033048611c01 | 343 | LCD24x4D = (LCD_T_D | LCD_T_C24 | LCD_T_R4), /**< 24x4 LCD panel, special mode KS0078 */ |
| wim | 30:033048611c01 | 344 | // LCD40x1 = (LCD_T_A | LCD_T_C40 | LCD_T_R1), /**< 40x1 LCD panel */ |
| wim | 30:033048611c01 | 345 | LCD40x2 = (LCD_T_A | LCD_T_C40 | LCD_T_R2), /**< 40x2 LCD panel */ |
| wim | 30:033048611c01 | 346 | LCD40x4 = (LCD_T_E | LCD_T_C40 | LCD_T_R4) /**< 40x4 LCD panel, Two controller version */ |
| wim | 30:033048611c01 | 347 | }; |
| wim | 30:033048611c01 | 348 | |
| wim | 30:033048611c01 | 349 | |
| wim | 30:033048611c01 | 350 | /** LCD Controller Device */ |
| wim | 30:033048611c01 | 351 | enum LCDCtrl { |
| wim | 30:033048611c01 | 352 | HD44780 = 0, /**< HD44780 (default) */ |
| wim | 30:033048611c01 | 353 | WS0010 = 1 | (LCD_C_SPI3_10 | LCD_C_BST), /**< WS0010 OLED Controller, 4/8 bit, SPI3 */ |
| wim | 30:033048611c01 | 354 | ST7036 = 2 | (LCD_C_SPI4 | LCD_C_BST), /**< ST7036 3V3 with Booster, 4/8 bit, SPI4 */ |
| wim | 30:033048611c01 | 355 | ST7032_3V3 = 3 | (LCD_C_SPI4 | LCD_C_I2C | LCD_C_BST), /**< ST7032 3V3 with Booster, 4/8 bit, SPI4, I2C */ |
| wim | 30:033048611c01 | 356 | ST7032_5V = 4 | (LCD_C_SPI4 | LCD_C_I2C), /**< ST7032 5V no Booster, 4/8 bit, SPI4, I2C */ |
| wim | 30:033048611c01 | 357 | KS0078 = 5, /**< KS0078 24x4 support, 4/8 bit */ |
| wim | 30:033048611c01 | 358 | PCF2113_3V3 = 6 | (LCD_C_I2C | LCD_C_BST), /**< PCF2113 3V3 with Booster, 4/8 bit, I2C */ |
| wim | 30:033048611c01 | 359 | PCF2116_3V3 = 7 | (LCD_C_I2C | LCD_C_BST), /**< PCF2116 3V3 with Booster, 4/8 bit, I2C */ |
| wim | 30:033048611c01 | 360 | // PCF2116_5V = 8 | (LCD_C_I2C), /**< PCF2116 5V no Booster, 4/8 bit, I2C */ |
| wim | 30:033048611c01 | 361 | AIP31068 = 9 | (LCD_C_SPI3_9 | LCD_C_I2C | LCD_C_BST) /**< AIP31068 I2C, SPI3 */ |
| wim | 30:033048611c01 | 362 | }; |
| wim | 30:033048611c01 | 363 | |
| wim | 30:033048611c01 | 364 | |
| wim | 10:dd9b3a696acd | 365 | /** LCD Cursor control */ |
| wim | 10:dd9b3a696acd | 366 | enum LCDCursor { |
| wim | 17:652ab113bc2e | 367 | CurOff_BlkOff = 0x00, /**< Cursor Off, Blinking Char Off */ |
| wim | 17:652ab113bc2e | 368 | CurOn_BlkOff = 0x02, /**< Cursor On, Blinking Char Off */ |
| wim | 17:652ab113bc2e | 369 | CurOff_BlkOn = 0x01, /**< Cursor Off, Blinking Char On */ |
| wim | 17:652ab113bc2e | 370 | CurOn_BlkOn = 0x03 /**< Cursor On, Blinking Char On */ |
| wim | 17:652ab113bc2e | 371 | }; |
| wim | 17:652ab113bc2e | 372 | |
| wim | 17:652ab113bc2e | 373 | /** LCD Display control */ |
| wim | 17:652ab113bc2e | 374 | enum LCDMode { |
| wim | 17:652ab113bc2e | 375 | DispOff = 0x00, /**< Display Off */ |
| wim | 17:652ab113bc2e | 376 | DispOn = 0x04 /**< Display On */ |
| wim | 10:dd9b3a696acd | 377 | }; |
| wim | 10:dd9b3a696acd | 378 | |
| wim | 20:e0da005a777f | 379 | /** LCD Backlight control */ |
| wim | 20:e0da005a777f | 380 | enum LCDBacklight { |
| wim | 20:e0da005a777f | 381 | LightOff, /**< Backlight Off */ |
| wim | 20:e0da005a777f | 382 | LightOn /**< Backlight On */ |
| wim | 20:e0da005a777f | 383 | }; |
| wim | 10:dd9b3a696acd | 384 | |
| simon | 2:227356c7d12c | 385 | #if DOXYGEN_ONLY |
| simon | 2:227356c7d12c | 386 | /** Write a character to the LCD |
| simon | 2:227356c7d12c | 387 | * |
| simon | 2:227356c7d12c | 388 | * @param c The character to write to the display |
| simon | 2:227356c7d12c | 389 | */ |
| simon | 2:227356c7d12c | 390 | int putc(int c); |
| simon | 2:227356c7d12c | 391 | |
| simon | 2:227356c7d12c | 392 | /** Write a formated string to the LCD |
| simon | 2:227356c7d12c | 393 | * |
| simon | 2:227356c7d12c | 394 | * @param format A printf-style format string, followed by the |
| simon | 2:227356c7d12c | 395 | * variables to use in formating the string. |
| simon | 2:227356c7d12c | 396 | */ |
| simon | 2:227356c7d12c | 397 | int printf(const char* format, ...); |
| simon | 2:227356c7d12c | 398 | #endif |
| simon | 2:227356c7d12c | 399 | |
| wim | 29:a3663151aa65 | 400 | /** Locate cursor to a screen column and row |
| simon | 2:227356c7d12c | 401 | * |
| simon | 2:227356c7d12c | 402 | * @param column The horizontal position from the left, indexed from 0 |
| simon | 2:227356c7d12c | 403 | * @param row The vertical position from the top, indexed from 0 |
| simon | 2:227356c7d12c | 404 | */ |
| simon | 1:ac48b187213c | 405 | void locate(int column, int row); |
| simon | 2:227356c7d12c | 406 | |
| wim | 10:dd9b3a696acd | 407 | /** Return the memoryaddress of screen column and row location |
| wim | 10:dd9b3a696acd | 408 | * |
| wim | 10:dd9b3a696acd | 409 | * @param column The horizontal position from the left, indexed from 0 |
| wim | 10:dd9b3a696acd | 410 | * @param row The vertical position from the top, indexed from 0 |
| wim | 10:dd9b3a696acd | 411 | * @param return The memoryaddress of screen column and row location |
| wim | 10:dd9b3a696acd | 412 | */ |
| wim | 30:033048611c01 | 413 | int getAddress(int column, int row); |
| wim | 10:dd9b3a696acd | 414 | |
| wim | 10:dd9b3a696acd | 415 | /** Set the memoryaddress of screen column and row location |
| wim | 10:dd9b3a696acd | 416 | * |
| wim | 10:dd9b3a696acd | 417 | * @param column The horizontal position from the left, indexed from 0 |
| wim | 10:dd9b3a696acd | 418 | * @param row The vertical position from the top, indexed from 0 |
| wim | 10:dd9b3a696acd | 419 | */ |
| wim | 9:0893d986e717 | 420 | void setAddress(int column, int row); |
| wim | 9:0893d986e717 | 421 | |
| wim | 22:35742ec80c24 | 422 | /** Clear the screen and locate to 0,0 |
| wim | 22:35742ec80c24 | 423 | */ |
| simon | 1:ac48b187213c | 424 | void cls(); |
| simon | 2:227356c7d12c | 425 | |
| wim | 10:dd9b3a696acd | 426 | /** Return the number of rows |
| wim | 10:dd9b3a696acd | 427 | * |
| wim | 10:dd9b3a696acd | 428 | * @param return The number of rows |
| wim | 10:dd9b3a696acd | 429 | */ |
| simon | 1:ac48b187213c | 430 | int rows(); |
| wim | 10:dd9b3a696acd | 431 | |
| wim | 10:dd9b3a696acd | 432 | /** Return the number of columns |
| wim | 10:dd9b3a696acd | 433 | * |
| wim | 10:dd9b3a696acd | 434 | * @param return The number of columns |
| wim | 10:dd9b3a696acd | 435 | */ |
| wim | 10:dd9b3a696acd | 436 | int columns(); |
| simon | 2:227356c7d12c | 437 | |
| wim | 11:9ec02df863a1 | 438 | /** Set the Cursormode |
| wim | 11:9ec02df863a1 | 439 | * |
| wim | 17:652ab113bc2e | 440 | * @param cursorMode The Cursor mode (CurOff_BlkOff, CurOn_BlkOff, CurOff_BlkOn, CurOn_BlkOn) |
| wim | 11:9ec02df863a1 | 441 | */ |
| wim | 17:652ab113bc2e | 442 | void setCursor(LCDCursor cursorMode); |
| wim | 17:652ab113bc2e | 443 | |
| wim | 17:652ab113bc2e | 444 | /** Set the Displaymode |
| wim | 17:652ab113bc2e | 445 | * |
| wim | 17:652ab113bc2e | 446 | * @param displayMode The Display mode (DispOff, DispOn) |
| wim | 17:652ab113bc2e | 447 | */ |
| wim | 21:9eb628d9e164 | 448 | void setMode(LCDMode displayMode); |
| wim | 11:9ec02df863a1 | 449 | |
| wim | 20:e0da005a777f | 450 | /** Set the Backlight mode |
| wim | 20:e0da005a777f | 451 | * |
| wim | 21:9eb628d9e164 | 452 | * @param backlightMode The Backlight mode (LightOff, LightOn) |
| wim | 20:e0da005a777f | 453 | */ |
| wim | 21:9eb628d9e164 | 454 | void setBacklight(LCDBacklight backlightMode); |
| wim | 20:e0da005a777f | 455 | |
| wim | 11:9ec02df863a1 | 456 | /** Set User Defined Characters |
| wim | 11:9ec02df863a1 | 457 | * |
| wim | 11:9ec02df863a1 | 458 | * @param unsigned char c The Index of the UDC (0..7) |
| wim | 12:6bf9d9957d31 | 459 | * @param char *udc_data The bitpatterns for the UDC (8 bytes of 5 significant bits) |
| wim | 11:9ec02df863a1 | 460 | */ |
| wim | 11:9ec02df863a1 | 461 | void setUDC(unsigned char c, char *udc_data); |
| wim | 11:9ec02df863a1 | 462 | |
| wim | 29:a3663151aa65 | 463 | //test |
| wim | 30:033048611c01 | 464 | // void _initCtrl(); |
| wim | 29:a3663151aa65 | 465 | |
| simon | 1:ac48b187213c | 466 | protected: |
| wim | 13:24506ba22480 | 467 | |
| wim | 21:9eb628d9e164 | 468 | /** LCD controller select, mainly used for LCD40x4 |
| wim | 21:9eb628d9e164 | 469 | */ |
| wim | 19:c747b9e2e7b8 | 470 | enum _LCDCtrl_Idx { |
| wim | 15:b70ebfffb258 | 471 | _LCDCtrl_0, /*< Primary */ |
| wim | 15:b70ebfffb258 | 472 | _LCDCtrl_1, /*< Secondary */ |
| wim | 15:b70ebfffb258 | 473 | }; |
| wim | 21:9eb628d9e164 | 474 | |
| wim | 21:9eb628d9e164 | 475 | /** Create a TextLCD_Base interface |
| wim | 21:9eb628d9e164 | 476 | * @brief Base class, can not be instantiated |
| wim | 21:9eb628d9e164 | 477 | * |
| wim | 21:9eb628d9e164 | 478 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
| wim | 21:9eb628d9e164 | 479 | * @param ctrl LCD controller (default = HD44780) |
| wim | 21:9eb628d9e164 | 480 | */ |
| wim | 21:9eb628d9e164 | 481 | TextLCD_Base(LCDType type = LCD16x2, LCDCtrl ctrl = HD44780); |
| wim | 15:b70ebfffb258 | 482 | |
| simon | 1:ac48b187213c | 483 | // Stream implementation functions |
| simon | 1:ac48b187213c | 484 | virtual int _putc(int value); |
| simon | 1:ac48b187213c | 485 | virtual int _getc(); |
| simon | 1:ac48b187213c | 486 | |
| wim | 29:a3663151aa65 | 487 | /** Low level method for LCD controller |
| wim | 21:9eb628d9e164 | 488 | */ |
| wim | 13:24506ba22480 | 489 | void _init(); |
| wim | 29:a3663151aa65 | 490 | |
| wim | 29:a3663151aa65 | 491 | /** Low level initialisation method for LCD controller |
| wim | 29:a3663151aa65 | 492 | */ |
| wim | 30:033048611c01 | 493 | void _initCtrl(); |
| wim | 29:a3663151aa65 | 494 | |
| wim | 29:a3663151aa65 | 495 | /** Low level character address set method |
| wim | 29:a3663151aa65 | 496 | */ |
| wim | 13:24506ba22480 | 497 | int _address(int column, int row); |
| wim | 29:a3663151aa65 | 498 | |
| wim | 29:a3663151aa65 | 499 | /** Low level cursor enable or disable method |
| wim | 29:a3663151aa65 | 500 | */ |
| wim | 21:9eb628d9e164 | 501 | void _setCursor(LCDCursor show); |
| wim | 29:a3663151aa65 | 502 | |
| wim | 29:a3663151aa65 | 503 | /** Low level method to store user defined characters for current controller |
| wim | 29:a3663151aa65 | 504 | */ |
| wim | 17:652ab113bc2e | 505 | void _setUDC(unsigned char c, char *udc_data); |
| wim | 29:a3663151aa65 | 506 | |
| wim | 29:a3663151aa65 | 507 | /** Low level method to restore the cursortype and display mode for current controller |
| wim | 29:a3663151aa65 | 508 | */ |
| wim | 21:9eb628d9e164 | 509 | void _setCursorAndDisplayMode(LCDMode displayMode, LCDCursor cursorType); |
| wim | 13:24506ba22480 | 510 | |
| wim | 29:a3663151aa65 | 511 | /** Low level nibble write operation to LCD controller (serial or parallel) |
| wim | 21:9eb628d9e164 | 512 | */ |
| wim | 17:652ab113bc2e | 513 | void _writeNibble(int value); |
| wim | 29:a3663151aa65 | 514 | |
| wim | 29:a3663151aa65 | 515 | /** Low level command byte write operation to LCD controller. |
| wim | 29:a3663151aa65 | 516 | * Methods resets the RS bit and provides the required timing for the command. |
| wim | 29:a3663151aa65 | 517 | */ |
| wim | 15:b70ebfffb258 | 518 | void _writeCommand(int command); |
| wim | 29:a3663151aa65 | 519 | |
| wim | 29:a3663151aa65 | 520 | /** Low level data byte write operation to LCD controller (serial or parallel). |
| wim | 29:a3663151aa65 | 521 | * Methods sets the RS bit and provides the required timing for the data. |
| wim | 29:a3663151aa65 | 522 | */ |
| wim | 15:b70ebfffb258 | 523 | void _writeData(int data); |
| wim | 15:b70ebfffb258 | 524 | |
| wim | 29:a3663151aa65 | 525 | /** Pure Virtual Low level writes to LCD Bus (serial or parallel) |
| wim | 29:a3663151aa65 | 526 | * Set the Enable pin. |
| wim | 29:a3663151aa65 | 527 | */ |
| wim | 29:a3663151aa65 | 528 | virtual void _setEnable(bool value) = 0; |
| wim | 29:a3663151aa65 | 529 | |
| wim | 21:9eb628d9e164 | 530 | /** Pure Virtual Low level writes to LCD Bus (serial or parallel) |
| wim | 29:a3663151aa65 | 531 | * Set the RS pin ( 0 = Command, 1 = Data). |
| wim | 29:a3663151aa65 | 532 | */ |
| wim | 21:9eb628d9e164 | 533 | virtual void _setRS(bool value) = 0; |
| wim | 29:a3663151aa65 | 534 | |
| wim | 29:a3663151aa65 | 535 | /** Pure Virtual Low level writes to LCD Bus (serial or parallel) |
| wim | 29:a3663151aa65 | 536 | * Set the BL pin (0 = Backlight Off, 1 = Backlight On). |
| wim | 29:a3663151aa65 | 537 | */ |
| wim | 21:9eb628d9e164 | 538 | virtual void _setBL(bool value) = 0; |
| wim | 29:a3663151aa65 | 539 | |
| wim | 29:a3663151aa65 | 540 | /** Pure Virtual Low level writes to LCD Bus (serial or parallel) |
| wim | 29:a3663151aa65 | 541 | * Set the databus value (4 bit). |
| wim | 29:a3663151aa65 | 542 | */ |
| wim | 21:9eb628d9e164 | 543 | virtual void _setData(int value) = 0; |
| wim | 13:24506ba22480 | 544 | |
| wim | 29:a3663151aa65 | 545 | /** Low level byte write operation to LCD controller (serial or parallel) |
| wim | 29:a3663151aa65 | 546 | * Depending on the RS pin this byte will be interpreted as data or command |
| wim | 29:a3663151aa65 | 547 | */ |
| wim | 29:a3663151aa65 | 548 | virtual void _writeByte(int value); |
| wim | 13:24506ba22480 | 549 | |
| wim | 13:24506ba22480 | 550 | //Display type |
| simon | 1:ac48b187213c | 551 | LCDType _type; |
| wim | 30:033048611c01 | 552 | int _nr_cols; |
| wim | 30:033048611c01 | 553 | int _nr_rows; |
| wim | 30:033048611c01 | 554 | int _addr_mode; |
| wim | 30:033048611c01 | 555 | |
| wim | 21:9eb628d9e164 | 556 | //Display mode |
| wim | 17:652ab113bc2e | 557 | LCDMode _currentMode; |
| wim | 17:652ab113bc2e | 558 | |
| wim | 19:c747b9e2e7b8 | 559 | //Controller type |
| wim | 19:c747b9e2e7b8 | 560 | LCDCtrl _ctrl; |
| wim | 19:c747b9e2e7b8 | 561 | |
| wim | 15:b70ebfffb258 | 562 | //Controller select, mainly used for LCD40x4 |
| wim | 19:c747b9e2e7b8 | 563 | _LCDCtrl_Idx _ctrl_idx; |
| wim | 15:b70ebfffb258 | 564 | |
| wim | 13:24506ba22480 | 565 | // Cursor |
| simon | 1:ac48b187213c | 566 | int _column; |
| simon | 1:ac48b187213c | 567 | int _row; |
| wim | 15:b70ebfffb258 | 568 | LCDCursor _currentCursor; |
| simon | 1:ac48b187213c | 569 | }; |
| simon | 1:ac48b187213c | 570 | |
| wim | 23:d47f226efb24 | 571 | //--------- End TextLCD_Base ----------- |
| wim | 22:35742ec80c24 | 572 | |
| wim | 22:35742ec80c24 | 573 | |
| wim | 22:35742ec80c24 | 574 | |
| wim | 23:d47f226efb24 | 575 | //--------- Start TextLCD Bus ----------- |
| wim | 21:9eb628d9e164 | 576 | |
| wim | 21:9eb628d9e164 | 577 | /** Create a TextLCD interface for using regular mbed pins |
| wim | 21:9eb628d9e164 | 578 | * |
| wim | 21:9eb628d9e164 | 579 | */ |
| wim | 21:9eb628d9e164 | 580 | class TextLCD : public TextLCD_Base { |
| wim | 21:9eb628d9e164 | 581 | public: |
| wim | 21:9eb628d9e164 | 582 | /** Create a TextLCD interface for using regular mbed pins |
| wim | 21:9eb628d9e164 | 583 | * |
| wim | 21:9eb628d9e164 | 584 | * @param rs Instruction/data control line |
| wim | 21:9eb628d9e164 | 585 | * @param e Enable line (clock) |
| wim | 21:9eb628d9e164 | 586 | * @param d4-d7 Data lines for using as a 4-bit interface |
| wim | 21:9eb628d9e164 | 587 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
| wim | 21:9eb628d9e164 | 588 | * @param bl Backlight control line (optional, default = NC) |
| wim | 21:9eb628d9e164 | 589 | * @param e2 Enable2 line (clock for second controller, LCD40x4 only) |
| wim | 21:9eb628d9e164 | 590 | * @param ctrl LCD controller (default = HD44780) |
| wim | 21:9eb628d9e164 | 591 | */ |
| wim | 21:9eb628d9e164 | 592 | TextLCD(PinName rs, PinName e, PinName d4, PinName d5, PinName d6, PinName d7, LCDType type = LCD16x2, PinName bl = NC, PinName e2 = NC, LCDCtrl ctrl = HD44780); |
| wim | 21:9eb628d9e164 | 593 | |
| wim | 22:35742ec80c24 | 594 | /** Destruct a TextLCD interface for using regular mbed pins |
| wim | 22:35742ec80c24 | 595 | * |
| wim | 22:35742ec80c24 | 596 | * @param none |
| wim | 22:35742ec80c24 | 597 | * @return none |
| wim | 22:35742ec80c24 | 598 | */ |
| wim | 22:35742ec80c24 | 599 | virtual ~TextLCD(); |
| wim | 22:35742ec80c24 | 600 | |
| wim | 21:9eb628d9e164 | 601 | private: |
| wim | 29:a3663151aa65 | 602 | |
| wim | 29:a3663151aa65 | 603 | /** Implementation of pure Virtual Low level writes to LCD Bus (parallel) |
| wim | 29:a3663151aa65 | 604 | * Set the Enable pin. |
| wim | 29:a3663151aa65 | 605 | */ |
| wim | 21:9eb628d9e164 | 606 | virtual void _setEnable(bool value); |
| wim | 29:a3663151aa65 | 607 | |
| wim | 29:a3663151aa65 | 608 | /** Implementation of pure Virtual Low level writes to LCD Bus (parallel) |
| wim | 29:a3663151aa65 | 609 | * Set the RS pin ( 0 = Command, 1 = Data). |
| wim | 29:a3663151aa65 | 610 | */ |
| wim | 21:9eb628d9e164 | 611 | virtual void _setRS(bool value); |
| wim | 29:a3663151aa65 | 612 | |
| wim | 29:a3663151aa65 | 613 | /** Implementation of pure Virtual Low level writes to LCD Bus (parallel) |
| wim | 29:a3663151aa65 | 614 | * Set the BL pin (0 = Backlight Off, 1 = Backlight On). |
| wim | 29:a3663151aa65 | 615 | */ |
| wim | 21:9eb628d9e164 | 616 | virtual void _setBL(bool value); |
| wim | 29:a3663151aa65 | 617 | |
| wim | 29:a3663151aa65 | 618 | /** Implementation of pure Virtual Low level writes to LCD Bus (parallel) |
| wim | 29:a3663151aa65 | 619 | * Set the databus value (4 bit). |
| wim | 29:a3663151aa65 | 620 | */ |
| wim | 21:9eb628d9e164 | 621 | virtual void _setData(int value); |
| wim | 21:9eb628d9e164 | 622 | |
| wim | 29:a3663151aa65 | 623 | |
| wim | 22:35742ec80c24 | 624 | /** Regular mbed pins bus |
| wim | 22:35742ec80c24 | 625 | */ |
| wim | 22:35742ec80c24 | 626 | DigitalOut _rs, _e; |
| wim | 22:35742ec80c24 | 627 | BusOut _d; |
| wim | 22:35742ec80c24 | 628 | |
| wim | 22:35742ec80c24 | 629 | /** Optional Hardware pins for the Backlight and LCD40x4 device |
| wim | 22:35742ec80c24 | 630 | * Default PinName value is NC, must be used as pointer to avoid issues with mbed lib and DigitalOut pins |
| wim | 22:35742ec80c24 | 631 | */ |
| wim | 22:35742ec80c24 | 632 | DigitalOut *_bl, *_e2; |
| wim | 21:9eb628d9e164 | 633 | }; |
| wim | 21:9eb628d9e164 | 634 | |
| wim | 22:35742ec80c24 | 635 | |
| wim | 23:d47f226efb24 | 636 | //----------- End TextLCD --------------- |
| wim | 21:9eb628d9e164 | 637 | |
| wim | 21:9eb628d9e164 | 638 | |
| wim | 23:d47f226efb24 | 639 | //--------- Start TextLCD_I2C ----------- |
| wim | 22:35742ec80c24 | 640 | |
| wim | 22:35742ec80c24 | 641 | |
| wim | 26:bd897a001012 | 642 | /** Create a TextLCD interface using an I2C PCF8574 (or PCF8574A) or MCP23008 portexpander |
| wim | 21:9eb628d9e164 | 643 | * |
| wim | 21:9eb628d9e164 | 644 | */ |
| wim | 21:9eb628d9e164 | 645 | class TextLCD_I2C : public TextLCD_Base { |
| wim | 21:9eb628d9e164 | 646 | public: |
| wim | 26:bd897a001012 | 647 | /** Create a TextLCD interface using an I2C PCF8574 (or PCF8574A) or MCP23008 portexpander |
| wim | 21:9eb628d9e164 | 648 | * |
| wim | 21:9eb628d9e164 | 649 | * @param i2c I2C Bus |
| wim | 26:bd897a001012 | 650 | * @param deviceAddress I2C slave address (PCF8574 or PCF8574A, default = PCF8574_SA0 = 0x40) |
| wim | 21:9eb628d9e164 | 651 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
| wim | 21:9eb628d9e164 | 652 | * @param ctrl LCD controller (default = HD44780) |
| wim | 21:9eb628d9e164 | 653 | */ |
| wim | 26:bd897a001012 | 654 | TextLCD_I2C(I2C *i2c, char deviceAddress = PCF8574_SA0, LCDType type = LCD16x2, LCDCtrl ctrl = HD44780); |
| wim | 21:9eb628d9e164 | 655 | |
| wim | 21:9eb628d9e164 | 656 | private: |
| wim | 29:a3663151aa65 | 657 | |
| wim | 29:a3663151aa65 | 658 | /** Implementation of pure Virtual Low level writes to LCD Bus (serial expander) |
| wim | 29:a3663151aa65 | 659 | * Set the Enable pin. |
| wim | 29:a3663151aa65 | 660 | */ |
| wim | 21:9eb628d9e164 | 661 | virtual void _setEnable(bool value); |
| wim | 29:a3663151aa65 | 662 | |
| wim | 29:a3663151aa65 | 663 | /** Implementation of pure Virtual Low level writes to LCD Bus (serial expander) |
| wim | 29:a3663151aa65 | 664 | * Set the RS pin ( 0 = Command, 1 = Data). |
| wim | 29:a3663151aa65 | 665 | */ |
| wim | 21:9eb628d9e164 | 666 | virtual void _setRS(bool value); |
| wim | 29:a3663151aa65 | 667 | |
| wim | 29:a3663151aa65 | 668 | /** Implementation of pure Virtual Low level writes to LCD Bus (serial expander) |
| wim | 29:a3663151aa65 | 669 | * Set the BL pin (0 = Backlight Off, 1 = Backlight On). |
| wim | 29:a3663151aa65 | 670 | */ |
| wim | 21:9eb628d9e164 | 671 | virtual void _setBL(bool value); |
| wim | 29:a3663151aa65 | 672 | |
| wim | 29:a3663151aa65 | 673 | /** Implementation of pure Virtual Low level writes to LCD Bus (serial expander) |
| wim | 29:a3663151aa65 | 674 | * Set the databus value (4 bit). |
| wim | 29:a3663151aa65 | 675 | */ |
| wim | 29:a3663151aa65 | 676 | virtual void _setData(int value); |
| wim | 30:033048611c01 | 677 | |
| wim | 29:a3663151aa65 | 678 | /** Write data to MCP23008 I2C portexpander |
| wim | 29:a3663151aa65 | 679 | * @param reg register to write |
| wim | 29:a3663151aa65 | 680 | * @param value data to write |
| wim | 29:a3663151aa65 | 681 | * @return none |
| wim | 29:a3663151aa65 | 682 | * |
| wim | 29:a3663151aa65 | 683 | */ |
| wim | 26:bd897a001012 | 684 | void _write_register (int reg, int value); |
| wim | 21:9eb628d9e164 | 685 | |
| wim | 21:9eb628d9e164 | 686 | //I2C bus |
| wim | 21:9eb628d9e164 | 687 | I2C *_i2c; |
| wim | 21:9eb628d9e164 | 688 | char _slaveAddress; |
| wim | 21:9eb628d9e164 | 689 | |
| wim | 21:9eb628d9e164 | 690 | // Internal bus mirror value for serial bus only |
| wim | 30:033048611c01 | 691 | char _lcd_bus; |
| wim | 21:9eb628d9e164 | 692 | }; |
| wim | 21:9eb628d9e164 | 693 | |
| wim | 23:d47f226efb24 | 694 | //---------- End TextLCD_I2C ------------ |
| wim | 22:35742ec80c24 | 695 | |
| wim | 22:35742ec80c24 | 696 | |
| wim | 23:d47f226efb24 | 697 | //--------- Start TextLCD_SPI ----------- |
| wim | 22:35742ec80c24 | 698 | |
| wim | 21:9eb628d9e164 | 699 | /** Create a TextLCD interface using an SPI 74595 portexpander |
| wim | 21:9eb628d9e164 | 700 | * |
| wim | 21:9eb628d9e164 | 701 | */ |
| wim | 21:9eb628d9e164 | 702 | class TextLCD_SPI : public TextLCD_Base { |
| wim | 21:9eb628d9e164 | 703 | public: |
| wim | 21:9eb628d9e164 | 704 | /** Create a TextLCD interface using an SPI 74595 portexpander |
| wim | 21:9eb628d9e164 | 705 | * |
| wim | 21:9eb628d9e164 | 706 | * @param spi SPI Bus |
| wim | 21:9eb628d9e164 | 707 | * @param cs chip select pin (active low) |
| wim | 21:9eb628d9e164 | 708 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
| wim | 21:9eb628d9e164 | 709 | * @param ctrl LCD controller (default = HD44780) |
| wim | 21:9eb628d9e164 | 710 | */ |
| wim | 21:9eb628d9e164 | 711 | TextLCD_SPI(SPI *spi, PinName cs, LCDType type = LCD16x2, LCDCtrl ctrl = HD44780); |
| wim | 21:9eb628d9e164 | 712 | |
| wim | 21:9eb628d9e164 | 713 | private: |
| wim | 29:a3663151aa65 | 714 | |
| wim | 29:a3663151aa65 | 715 | /** Implementation of pure Virtual Low level writes to LCD Bus (serial expander) |
| wim | 29:a3663151aa65 | 716 | * Set the Enable pin. |
| wim | 29:a3663151aa65 | 717 | */ |
| wim | 21:9eb628d9e164 | 718 | virtual void _setEnable(bool value); |
| wim | 29:a3663151aa65 | 719 | |
| wim | 29:a3663151aa65 | 720 | /** Implementation of pure Virtual Low level writes to LCD Bus (serial expander) |
| wim | 29:a3663151aa65 | 721 | * Set the RS pin ( 0 = Command, 1 = Data). |
| wim | 29:a3663151aa65 | 722 | */ |
| wim | 21:9eb628d9e164 | 723 | virtual void _setRS(bool value); |
| wim | 29:a3663151aa65 | 724 | |
| wim | 29:a3663151aa65 | 725 | /** Implementation of pure Virtual Low level writes to LCD Bus (serial expander) |
| wim | 29:a3663151aa65 | 726 | * Set the BL pin (0 = Backlight Off, 1 = Backlight On). |
| wim | 29:a3663151aa65 | 727 | */ |
| wim | 21:9eb628d9e164 | 728 | virtual void _setBL(bool value); |
| wim | 29:a3663151aa65 | 729 | |
| wim | 29:a3663151aa65 | 730 | /** Implementation of pure Virtual Low level writes to LCD Bus (serial expander) |
| wim | 29:a3663151aa65 | 731 | * Set the databus value (4 bit). |
| wim | 29:a3663151aa65 | 732 | */ |
| wim | 21:9eb628d9e164 | 733 | virtual void _setData(int value); |
| wim | 29:a3663151aa65 | 734 | |
| wim | 29:a3663151aa65 | 735 | /** Implementation of Low level writes to LCD Bus (serial expander) |
| wim | 29:a3663151aa65 | 736 | * Set the CS pin (0 = select, 1 = deselect). |
| wim | 29:a3663151aa65 | 737 | */ |
| wim | 21:9eb628d9e164 | 738 | virtual void _setCS(bool value); |
| wim | 21:9eb628d9e164 | 739 | |
| wim | 29:a3663151aa65 | 740 | ///** Low level writes to LCD serial bus only (serial expander) |
| wim | 29:a3663151aa65 | 741 | // */ |
| wim | 29:a3663151aa65 | 742 | // void _writeBus(); |
| wim | 21:9eb628d9e164 | 743 | |
| wim | 21:9eb628d9e164 | 744 | // SPI bus |
| wim | 21:9eb628d9e164 | 745 | SPI *_spi; |
| wim | 21:9eb628d9e164 | 746 | DigitalOut _cs; |
| wim | 21:9eb628d9e164 | 747 | |
| wim | 21:9eb628d9e164 | 748 | // Internal bus mirror value for serial bus only |
| wim | 21:9eb628d9e164 | 749 | char _lcd_bus; |
| wim | 21:9eb628d9e164 | 750 | }; |
| wim | 21:9eb628d9e164 | 751 | |
| wim | 23:d47f226efb24 | 752 | //---------- End TextLCD_SPI ------------ |
| wim | 21:9eb628d9e164 | 753 | |
| Sissors | 24:fb3399713710 | 754 | |
| wim | 26:bd897a001012 | 755 | //--------- Start TextLCD_SPI_N ----------- |
| Sissors | 24:fb3399713710 | 756 | |
| wim | 30:033048611c01 | 757 | /** Create a TextLCD interface using a controller with native SPI4 interface |
| Sissors | 24:fb3399713710 | 758 | * |
| Sissors | 24:fb3399713710 | 759 | */ |
| wim | 25:6162b31128c9 | 760 | class TextLCD_SPI_N : public TextLCD_Base { |
| Sissors | 24:fb3399713710 | 761 | public: |
| wim | 30:033048611c01 | 762 | /** Create a TextLCD interface using a controller with native SPI4 interface |
| Sissors | 24:fb3399713710 | 763 | * |
| Sissors | 24:fb3399713710 | 764 | * @param spi SPI Bus |
| Sissors | 24:fb3399713710 | 765 | * @param cs chip select pin (active low) |
| Sissors | 24:fb3399713710 | 766 | * @param rs Instruction/data control line |
| Sissors | 24:fb3399713710 | 767 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
| Sissors | 24:fb3399713710 | 768 | * @param bl Backlight control line (optional, default = NC) |
| wim | 26:bd897a001012 | 769 | * @param ctrl LCD controller (default = ST7032_3V3) |
| Sissors | 24:fb3399713710 | 770 | */ |
| wim | 26:bd897a001012 | 771 | TextLCD_SPI_N(SPI *spi, PinName cs, PinName rs, LCDType type = LCD16x2, PinName bl = NC, LCDCtrl ctrl = ST7032_3V3); |
| wim | 25:6162b31128c9 | 772 | virtual ~TextLCD_SPI_N(void); |
| Sissors | 24:fb3399713710 | 773 | |
| Sissors | 24:fb3399713710 | 774 | private: |
| wim | 29:a3663151aa65 | 775 | |
| wim | 29:a3663151aa65 | 776 | /** Implementation of pure Virtual Low level writes to LCD Bus (serial native) |
| wim | 29:a3663151aa65 | 777 | * Set the Enable pin. |
| wim | 29:a3663151aa65 | 778 | */ |
| Sissors | 24:fb3399713710 | 779 | virtual void _setEnable(bool value); |
| wim | 29:a3663151aa65 | 780 | |
| wim | 29:a3663151aa65 | 781 | /** Implementation of pure Virtual Low level writes to LCD Bus (serial native) |
| wim | 29:a3663151aa65 | 782 | * Set the RS pin ( 0 = Command, 1 = Data). |
| wim | 29:a3663151aa65 | 783 | */ |
| Sissors | 24:fb3399713710 | 784 | virtual void _setRS(bool value); |
| wim | 29:a3663151aa65 | 785 | |
| wim | 29:a3663151aa65 | 786 | /** Implementation of pure Virtual Low level writes to LCD Bus (serial native) |
| wim | 29:a3663151aa65 | 787 | * Set the BL pin (0 = Backlight Off, 1 = Backlight On). |
| wim | 29:a3663151aa65 | 788 | */ |
| Sissors | 24:fb3399713710 | 789 | virtual void _setBL(bool value); |
| wim | 29:a3663151aa65 | 790 | |
| wim | 29:a3663151aa65 | 791 | /** Implementation of pure Virtual Low level writes to LCD Bus (serial native) |
| wim | 29:a3663151aa65 | 792 | * Set the databus value (4 bit). |
| wim | 29:a3663151aa65 | 793 | */ |
| Sissors | 24:fb3399713710 | 794 | virtual void _setData(int value); |
| wim | 29:a3663151aa65 | 795 | |
| wim | 29:a3663151aa65 | 796 | /** Low level writes to LCD serial bus only (serial native) |
| wim | 29:a3663151aa65 | 797 | */ |
| Sissors | 24:fb3399713710 | 798 | virtual void _writeByte(int value); |
| Sissors | 24:fb3399713710 | 799 | |
| Sissors | 24:fb3399713710 | 800 | // SPI bus |
| Sissors | 24:fb3399713710 | 801 | SPI *_spi; |
| Sissors | 24:fb3399713710 | 802 | DigitalOut _cs; |
| Sissors | 24:fb3399713710 | 803 | DigitalOut _rs; |
| wim | 30:033048611c01 | 804 | |
| wim | 30:033048611c01 | 805 | //Backlight |
| Sissors | 24:fb3399713710 | 806 | DigitalOut *_bl; |
| Sissors | 24:fb3399713710 | 807 | }; |
| Sissors | 24:fb3399713710 | 808 | |
| wim | 25:6162b31128c9 | 809 | //---------- End TextLCD_SPI_N ------------ |
| Sissors | 24:fb3399713710 | 810 | |
| wim | 26:bd897a001012 | 811 | |
| wim | 30:033048611c01 | 812 | #if(0) |
| wim | 30:033048611c01 | 813 | //Code checked out on logic analyser. Not yet tested on hardware.. |
| wim | 30:033048611c01 | 814 | |
| wim | 30:033048611c01 | 815 | //------- Start TextLCD_SPI_N_3_9 --------- |
| wim | 30:033048611c01 | 816 | |
| wim | 30:033048611c01 | 817 | /** Create a TextLCD interface using a controller with native SPI3 9 bits interface |
| wim | 30:033048611c01 | 818 | * Note: current mbed libs only support SPI 9 bit mode for NXP platforms |
| wim | 30:033048611c01 | 819 | * |
| wim | 30:033048611c01 | 820 | */ |
| wim | 30:033048611c01 | 821 | class TextLCD_SPI_N_3_9 : public TextLCD_Base { |
| wim | 30:033048611c01 | 822 | public: |
| wim | 30:033048611c01 | 823 | /** Create a TextLCD interface using a controller with native SPI3 9 bits interface |
| wim | 30:033048611c01 | 824 | * Note: current mbed libs only support SPI 9 bit mode for NXP platforms |
| wim | 30:033048611c01 | 825 | * |
| wim | 30:033048611c01 | 826 | * @param spi SPI Bus |
| wim | 30:033048611c01 | 827 | * @param cs chip select pin (active low) |
| wim | 30:033048611c01 | 828 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
| wim | 30:033048611c01 | 829 | * @param bl Backlight control line (optional, default = NC) |
| wim | 30:033048611c01 | 830 | * @param ctrl LCD controller (default = AIP31068) |
| wim | 30:033048611c01 | 831 | */ |
| wim | 30:033048611c01 | 832 | TextLCD_SPI_N_3_9(SPI *spi, PinName cs, LCDType type = LCD16x2, PinName bl = NC, LCDCtrl ctrl = AIP31068); |
| wim | 30:033048611c01 | 833 | virtual ~TextLCD_SPI_N_3_9(void); |
| wim | 30:033048611c01 | 834 | |
| wim | 30:033048611c01 | 835 | private: |
| wim | 30:033048611c01 | 836 | |
| wim | 30:033048611c01 | 837 | /** Implementation of pure Virtual Low level writes to LCD Bus (serial native) |
| wim | 30:033048611c01 | 838 | * Set the Enable pin. |
| wim | 30:033048611c01 | 839 | */ |
| wim | 30:033048611c01 | 840 | virtual void _setEnable(bool value); |
| wim | 30:033048611c01 | 841 | |
| wim | 30:033048611c01 | 842 | /** Implementation of pure Virtual Low level writes to LCD Bus (serial native) |
| wim | 30:033048611c01 | 843 | * Set the RS pin ( 0 = Command, 1 = Data). |
| wim | 30:033048611c01 | 844 | */ |
| wim | 30:033048611c01 | 845 | virtual void _setRS(bool value); |
| wim | 30:033048611c01 | 846 | |
| wim | 30:033048611c01 | 847 | /** Implementation of pure Virtual Low level writes to LCD Bus (serial native) |
| wim | 30:033048611c01 | 848 | * Set the BL pin (0 = Backlight Off, 1 = Backlight On). |
| wim | 30:033048611c01 | 849 | */ |
| wim | 30:033048611c01 | 850 | virtual void _setBL(bool value); |
| wim | 30:033048611c01 | 851 | |
| wim | 30:033048611c01 | 852 | /** Implementation of pure Virtual Low level writes to LCD Bus (serial native) |
| wim | 30:033048611c01 | 853 | * Set the databus value (4 bit). |
| wim | 30:033048611c01 | 854 | */ |
| wim | 30:033048611c01 | 855 | virtual void _setData(int value); |
| wim | 30:033048611c01 | 856 | |
| wim | 30:033048611c01 | 857 | /** Low level writes to LCD serial bus only (serial native) |
| wim | 30:033048611c01 | 858 | */ |
| wim | 30:033048611c01 | 859 | virtual void _writeByte(int value); |
| wim | 30:033048611c01 | 860 | |
| wim | 30:033048611c01 | 861 | // SPI bus |
| wim | 30:033048611c01 | 862 | SPI *_spi; |
| wim | 30:033048611c01 | 863 | DigitalOut _cs; |
| wim | 30:033048611c01 | 864 | |
| wim | 30:033048611c01 | 865 | // controlbyte to select between data and command. Internal value for serial bus only |
| wim | 30:033048611c01 | 866 | char _controlbyte; |
| wim | 30:033048611c01 | 867 | |
| wim | 30:033048611c01 | 868 | //Backlight |
| wim | 30:033048611c01 | 869 | DigitalOut *_bl; |
| wim | 30:033048611c01 | 870 | }; |
| wim | 30:033048611c01 | 871 | |
| wim | 30:033048611c01 | 872 | //-------- End TextLCD_SPI_N_3_9 ---------- |
| wim | 30:033048611c01 | 873 | #endif |
| wim | 30:033048611c01 | 874 | |
| wim | 30:033048611c01 | 875 | |
| wim | 30:033048611c01 | 876 | #if(0) |
| wim | 30:033048611c01 | 877 | //Code checked out on logic analyser. Not yet tested on hardware.. |
| wim | 30:033048611c01 | 878 | |
| wim | 30:033048611c01 | 879 | //------- Start TextLCD_SPI_N_3_10 --------- |
| wim | 30:033048611c01 | 880 | |
| wim | 30:033048611c01 | 881 | /** Create a TextLCD interface using a controller with native SPI3 10 bits interface |
| wim | 30:033048611c01 | 882 | * Note: current mbed libs only support SPI 10 bit mode for NXP platforms |
| wim | 30:033048611c01 | 883 | * |
| wim | 30:033048611c01 | 884 | */ |
| wim | 30:033048611c01 | 885 | class TextLCD_SPI_N_3_10 : public TextLCD_Base { |
| wim | 30:033048611c01 | 886 | public: |
| wim | 30:033048611c01 | 887 | /** Create a TextLCD interface using a controller with native SPI3 10 bits interface |
| wim | 30:033048611c01 | 888 | * Note: current mbed libs only support SPI 10 bit mode for NXP platforms |
| wim | 30:033048611c01 | 889 | * |
| wim | 30:033048611c01 | 890 | * @param spi SPI Bus |
| wim | 30:033048611c01 | 891 | * @param cs chip select pin (active low) |
| wim | 30:033048611c01 | 892 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
| wim | 30:033048611c01 | 893 | * @param bl Backlight control line (optional, default = NC) |
| wim | 30:033048611c01 | 894 | * @param ctrl LCD controller (default = AIP31068) |
| wim | 30:033048611c01 | 895 | */ |
| wim | 30:033048611c01 | 896 | TextLCD_SPI_N_3_10(SPI *spi, PinName cs, LCDType type = LCD16x2, PinName bl = NC, LCDCtrl ctrl = AIP31068); |
| wim | 30:033048611c01 | 897 | virtual ~TextLCD_SPI_N_3_10(void); |
| wim | 30:033048611c01 | 898 | |
| wim | 30:033048611c01 | 899 | private: |
| wim | 30:033048611c01 | 900 | |
| wim | 30:033048611c01 | 901 | /** Implementation of pure Virtual Low level writes to LCD Bus (serial native) |
| wim | 30:033048611c01 | 902 | * Set the Enable pin. |
| wim | 30:033048611c01 | 903 | */ |
| wim | 30:033048611c01 | 904 | virtual void _setEnable(bool value); |
| wim | 30:033048611c01 | 905 | |
| wim | 30:033048611c01 | 906 | /** Implementation of pure Virtual Low level writes to LCD Bus (serial native) |
| wim | 30:033048611c01 | 907 | * Set the RS pin ( 0 = Command, 1 = Data). |
| wim | 30:033048611c01 | 908 | */ |
| wim | 30:033048611c01 | 909 | virtual void _setRS(bool value); |
| wim | 30:033048611c01 | 910 | |
| wim | 30:033048611c01 | 911 | /** Implementation of pure Virtual Low level writes to LCD Bus (serial native) |
| wim | 30:033048611c01 | 912 | * Set the BL pin (0 = Backlight Off, 1 = Backlight On). |
| wim | 30:033048611c01 | 913 | */ |
| wim | 30:033048611c01 | 914 | virtual void _setBL(bool value); |
| wim | 30:033048611c01 | 915 | |
| wim | 30:033048611c01 | 916 | /** Implementation of pure Virtual Low level writes to LCD Bus (serial native) |
| wim | 30:033048611c01 | 917 | * Set the databus value (4 bit). |
| wim | 30:033048611c01 | 918 | */ |
| wim | 30:033048611c01 | 919 | virtual void _setData(int value); |
| wim | 30:033048611c01 | 920 | |
| wim | 30:033048611c01 | 921 | /** Low level writes to LCD serial bus only (serial native) |
| wim | 30:033048611c01 | 922 | */ |
| wim | 30:033048611c01 | 923 | virtual void _writeByte(int value); |
| wim | 30:033048611c01 | 924 | |
| wim | 30:033048611c01 | 925 | // SPI bus |
| wim | 30:033048611c01 | 926 | SPI *_spi; |
| wim | 30:033048611c01 | 927 | DigitalOut _cs; |
| wim | 30:033048611c01 | 928 | |
| wim | 30:033048611c01 | 929 | // controlbyte to select between data and command. Internal value for serial bus only |
| wim | 30:033048611c01 | 930 | char _controlbyte; |
| wim | 30:033048611c01 | 931 | |
| wim | 30:033048611c01 | 932 | //Backlight |
| wim | 30:033048611c01 | 933 | DigitalOut *_bl; |
| wim | 30:033048611c01 | 934 | }; |
| wim | 30:033048611c01 | 935 | |
| wim | 30:033048611c01 | 936 | //-------- End TextLCD_SPI_N_3_10 ---------- |
| wim | 30:033048611c01 | 937 | #endif |
| wim | 30:033048611c01 | 938 | |
| wim | 30:033048611c01 | 939 | |
| wim | 26:bd897a001012 | 940 | //--------- Start TextLCD_I2C_N ----------- |
| wim | 26:bd897a001012 | 941 | |
| wim | 26:bd897a001012 | 942 | /** Create a TextLCD interface using a controller with native I2C interface |
| wim | 26:bd897a001012 | 943 | * |
| wim | 26:bd897a001012 | 944 | */ |
| wim | 26:bd897a001012 | 945 | class TextLCD_I2C_N : public TextLCD_Base { |
| wim | 26:bd897a001012 | 946 | public: |
| wim | 26:bd897a001012 | 947 | /** Create a TextLCD interface using a controller with native I2C interface |
| wim | 26:bd897a001012 | 948 | * |
| wim | 26:bd897a001012 | 949 | * @param i2c I2C Bus |
| wim | 28:30fa94f7341c | 950 | * @param deviceAddress I2C slave address (default = ST7032_SA = 0x7C) |
| wim | 26:bd897a001012 | 951 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
| wim | 28:30fa94f7341c | 952 | * @param bl Backlight control line (optional, default = NC) |
| wim | 26:bd897a001012 | 953 | * @param ctrl LCD controller (default = ST7032_3V3) |
| wim | 26:bd897a001012 | 954 | */ |
| wim | 28:30fa94f7341c | 955 | TextLCD_I2C_N(I2C *i2c, char deviceAddress = ST7032_SA, LCDType type = LCD16x2, PinName bl = NC, LCDCtrl ctrl = ST7032_3V3); |
| wim | 26:bd897a001012 | 956 | virtual ~TextLCD_I2C_N(void); |
| wim | 26:bd897a001012 | 957 | |
| wim | 26:bd897a001012 | 958 | private: |
| wim | 29:a3663151aa65 | 959 | |
| wim | 29:a3663151aa65 | 960 | /** Implementation of pure Virtual Low level writes to LCD Bus (serial native) |
| wim | 29:a3663151aa65 | 961 | * Set the Enable pin. |
| wim | 29:a3663151aa65 | 962 | */ |
| wim | 26:bd897a001012 | 963 | virtual void _setEnable(bool value); |
| wim | 29:a3663151aa65 | 964 | |
| wim | 29:a3663151aa65 | 965 | /** Implementation of pure Virtual Low level writes to LCD Bus (serial native) |
| wim | 29:a3663151aa65 | 966 | * Set the RS pin ( 0 = Command, 1 = Data). |
| wim | 29:a3663151aa65 | 967 | */ |
| wim | 26:bd897a001012 | 968 | virtual void _setRS(bool value); |
| wim | 29:a3663151aa65 | 969 | |
| wim | 29:a3663151aa65 | 970 | /** Implementation of pure Virtual Low level writes to LCD Bus (serial native) |
| wim | 29:a3663151aa65 | 971 | * Set the BL pin (0 = Backlight Off, 1 = Backlight On). |
| wim | 29:a3663151aa65 | 972 | */ |
| wim | 26:bd897a001012 | 973 | virtual void _setBL(bool value); |
| wim | 29:a3663151aa65 | 974 | |
| wim | 29:a3663151aa65 | 975 | /** Implementation of pure Virtual Low level writes to LCD Bus (serial native) |
| wim | 29:a3663151aa65 | 976 | * Set the databus value (4 bit). |
| wim | 29:a3663151aa65 | 977 | */ |
| wim | 26:bd897a001012 | 978 | virtual void _setData(int value); |
| wim | 29:a3663151aa65 | 979 | |
| wim | 29:a3663151aa65 | 980 | /** Low level writes to LCD serial bus only (serial native) |
| wim | 29:a3663151aa65 | 981 | */ |
| wim | 26:bd897a001012 | 982 | virtual void _writeByte(int value); |
| wim | 26:bd897a001012 | 983 | |
| wim | 26:bd897a001012 | 984 | //I2C bus |
| wim | 26:bd897a001012 | 985 | I2C *_i2c; |
| wim | 26:bd897a001012 | 986 | char _slaveAddress; |
| wim | 26:bd897a001012 | 987 | |
| wim | 28:30fa94f7341c | 988 | // controlbyte to select between data and command. Internal value for serial bus only |
| wim | 28:30fa94f7341c | 989 | char _controlbyte; |
| wim | 28:30fa94f7341c | 990 | |
| wim | 30:033048611c01 | 991 | //Backlight |
| wim | 28:30fa94f7341c | 992 | DigitalOut *_bl; |
| wim | 26:bd897a001012 | 993 | }; |
| wim | 26:bd897a001012 | 994 | |
| wim | 26:bd897a001012 | 995 | //---------- End TextLCD_I2C_N ------------ |
| wim | 26:bd897a001012 | 996 | |
| wim | 26:bd897a001012 | 997 | |
| simon | 1:ac48b187213c | 998 | #endif |