Andrew Reed
/
TextLCD
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TextLCD.h@27:22d5086f6ba6, 2014-06-13 (annotated)
- Committer:
- wim
- Date:
- Fri Jun 13 19:02:26 2014 +0000
- Revision:
- 27:22d5086f6ba6
- Parent:
- 26:bd897a001012
- Child:
- 28:30fa94f7341c
First test of native SPI
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 |
| simon | 1:ac48b187213c | 13 | * |
| simon | 1:ac48b187213c | 14 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| simon | 1:ac48b187213c | 15 | * of this software and associated documentation files (the "Software"), to deal |
| simon | 1:ac48b187213c | 16 | * in the Software without restriction, including without limitation the rights |
| simon | 1:ac48b187213c | 17 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| simon | 1:ac48b187213c | 18 | * copies of the Software, and to permit persons to whom the Software is |
| simon | 1:ac48b187213c | 19 | * furnished to do so, subject to the following conditions: |
| simon | 2:227356c7d12c | 20 | * |
| simon | 1:ac48b187213c | 21 | * The above copyright notice and this permission notice shall be included in |
| simon | 1:ac48b187213c | 22 | * all copies or substantial portions of the Software. |
| simon | 2:227356c7d12c | 23 | * |
| simon | 1:ac48b187213c | 24 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| simon | 1:ac48b187213c | 25 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| simon | 1:ac48b187213c | 26 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| simon | 1:ac48b187213c | 27 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| simon | 1:ac48b187213c | 28 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| simon | 1:ac48b187213c | 29 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| simon | 1:ac48b187213c | 30 | * THE SOFTWARE. |
| simon | 1:ac48b187213c | 31 | */ |
| simon | 1:ac48b187213c | 32 | |
| simon | 1:ac48b187213c | 33 | #ifndef MBED_TEXTLCD_H |
| simon | 1:ac48b187213c | 34 | #define MBED_TEXTLCD_H |
| simon | 1:ac48b187213c | 35 | |
| simon | 1:ac48b187213c | 36 | #include "mbed.h" |
| simon | 2:227356c7d12c | 37 | |
| simon | 5:a53b3e2d6f1e | 38 | /** A TextLCD interface for driving 4-bit HD44780-based LCDs |
| simon | 2:227356c7d12c | 39 | * |
| wim | 16:c276b75e6585 | 40 | * Currently supports 8x1, 8x2, 12x4, 16x1, 16x2, 16x4, 20x2, 20x4, 24x2, 24x4, 40x2 and 40x4 panels |
| wim | 27:22d5086f6ba6 | 41 | * Interface options include direct mbed pins, I2C portexpander (PCF8474/PCF8574A or MCP23008) or SPI bus shiftregister (74595). |
| wim | 27:22d5086f6ba6 | 42 | * 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 | 43 | * |
| simon | 2:227356c7d12c | 44 | * @code |
| simon | 2:227356c7d12c | 45 | * #include "mbed.h" |
| simon | 2:227356c7d12c | 46 | * #include "TextLCD.h" |
| simon | 5:a53b3e2d6f1e | 47 | * |
| wim | 16:c276b75e6585 | 48 | * // I2C Communication |
| wim | 16:c276b75e6585 | 49 | * I2C i2c_lcd(p28,p27); // SDA, SCL |
| wim | 16:c276b75e6585 | 50 | * |
| wim | 16:c276b75e6585 | 51 | * // SPI Communication |
| wim | 16:c276b75e6585 | 52 | * SPI spi_lcd(p5, NC, p7); // MOSI, MISO, SCLK |
| wim | 16:c276b75e6585 | 53 | * |
| wim | 22:35742ec80c24 | 54 | * //TextLCD lcd(p15, p16, p17, p18, p19, p20); // RS, E, D4-D7, LCDType=LCD16x2, BL=NC, E2=NC, LCDTCtrl=HD44780 |
| wim | 22:35742ec80c24 | 55 | * //TextLCD_SPI lcd(&spi_lcd, p8, TextLCD::LCD40x4); // SPI bus, CS pin, LCD Type |
| wim | 22:35742ec80c24 | 56 | * TextLCD_I2C lcd(&i2c_lcd, 0x42, TextLCD::LCD20x4); // I2C bus, PCF8574 Slaveaddress, LCD Type |
| wim | 21:9eb628d9e164 | 57 | * //TextLCD_I2C lcd(&i2c_lcd, 0x42, TextLCD::LCD16x2, TextLCD::WS0010); // I2C bus, PCF8574 Slaveaddress, LCD Type, Device Type |
| wim | 27:22d5086f6ba6 | 58 | * //TextLCD_SPI_N lcd(&spi_lcd, p8, p9); // SPI bus, CS pin, RS pin, LCDType=LCD16x2, BL=NC, LCDTCtrl=ST7032_3V3 |
| simon | 5:a53b3e2d6f1e | 59 | * |
| simon | 2:227356c7d12c | 60 | * int main() { |
| wim | 16:c276b75e6585 | 61 | * lcd.printf("Hello World!\n"); |
| simon | 2:227356c7d12c | 62 | * } |
| simon | 2:227356c7d12c | 63 | * @endcode |
| simon | 2:227356c7d12c | 64 | */ |
| wim | 8:03116f75b66e | 65 | |
| wim | 26:bd897a001012 | 66 | |
| wim | 26:bd897a001012 | 67 | //Pin Defines for I2C PCF8574/PCF8574A or MCP23008 and SPI 74595 bus expander interfaces |
| wim | 13:24506ba22480 | 68 | //LCD and serial portexpanders should be wired accordingly |
| wim | 20:e0da005a777f | 69 | // |
| wim | 26:bd897a001012 | 70 | //Select Hardware module (one option only) |
| wim | 27:22d5086f6ba6 | 71 | #define DEFAULT 0 |
| wim | 27:22d5086f6ba6 | 72 | #define ADAFRUIT 1 |
| wim | 26:bd897a001012 | 73 | #define DFROBOT 0 |
| wim | 26:bd897a001012 | 74 | |
| wim | 26:bd897a001012 | 75 | |
| wim | 26:bd897a001012 | 76 | #if (DEFAULT==1) |
| wim | 20:e0da005a777f | 77 | //Definitions for hardware used by WH |
| wim | 26:bd897a001012 | 78 | //This hardware supports the I2C bus expander (PCF8574/PCF8574A or MCP23008) and SPI bus expander (74595) interfaces |
| wim | 26:bd897a001012 | 79 | // |
| wim | 13:24506ba22480 | 80 | //Note: LCD RW pin must be connected to GND |
| wim | 15:b70ebfffb258 | 81 | // E2 is used for LCD40x4 (second controller) |
| wim | 26:bd897a001012 | 82 | // BL may be used to control backlight |
| wim | 15:b70ebfffb258 | 83 | #define D_LCD_PIN_D4 0 |
| wim | 15:b70ebfffb258 | 84 | #define D_LCD_PIN_D5 1 |
| wim | 15:b70ebfffb258 | 85 | #define D_LCD_PIN_D6 2 |
| wim | 15:b70ebfffb258 | 86 | #define D_LCD_PIN_D7 3 |
| wim | 15:b70ebfffb258 | 87 | #define D_LCD_PIN_RS 4 |
| wim | 15:b70ebfffb258 | 88 | #define D_LCD_PIN_E 5 |
| wim | 15:b70ebfffb258 | 89 | #define D_LCD_PIN_E2 6 |
| wim | 15:b70ebfffb258 | 90 | #define D_LCD_PIN_BL 7 |
| wim | 13:24506ba22480 | 91 | |
| wim | 20:e0da005a777f | 92 | #define D_LCD_PIN_RW D_LCD_PIN_E2 |
| wim | 20:e0da005a777f | 93 | |
| wim | 26:bd897a001012 | 94 | //Select I2C Portexpander type (one option only) |
| wim | 26:bd897a001012 | 95 | #define PCF8574 1 |
| wim | 26:bd897a001012 | 96 | #define MCP23008 0 |
| wim | 26:bd897a001012 | 97 | #endif |
| wim | 20:e0da005a777f | 98 | |
| wim | 26:bd897a001012 | 99 | #if (ADAFRUIT==1) |
| wim | 26:bd897a001012 | 100 | //Definitions for i2cspilcdbackpack from Adafruit, See http://www.ladyada.net/products/i2cspilcdbackpack |
| wim | 26:bd897a001012 | 101 | //This hardware supports both an I2C expander (MCP23008) and an SPI expander (74595) selectable by a jumper. |
| wim | 26:bd897a001012 | 102 | // |
| wim | 26:bd897a001012 | 103 | //Note: LCD RW pin must be kept LOW |
| wim | 26:bd897a001012 | 104 | // E2 is not available on this hardware and so it does not support LCD40x4 (second controller) |
| wim | 26:bd897a001012 | 105 | // BL is used to control backlight |
| wim | 26:bd897a001012 | 106 | #define D_LCD_PIN_0 0 |
| wim | 26:bd897a001012 | 107 | #define D_LCD_PIN_RS 1 |
| wim | 26:bd897a001012 | 108 | #define D_LCD_PIN_E 2 |
| wim | 26:bd897a001012 | 109 | #define D_LCD_PIN_D4 3 |
| wim | 26:bd897a001012 | 110 | #define D_LCD_PIN_D5 4 |
| wim | 26:bd897a001012 | 111 | #define D_LCD_PIN_D6 5 |
| wim | 26:bd897a001012 | 112 | #define D_LCD_PIN_D7 6 |
| wim | 26:bd897a001012 | 113 | #define D_LCD_PIN_BL 7 |
| wim | 26:bd897a001012 | 114 | |
| wim | 26:bd897a001012 | 115 | #define D_LCD_PIN_E2 D_LCD_PIN_0 |
| wim | 26:bd897a001012 | 116 | |
| wim | 26:bd897a001012 | 117 | //Force I2C portexpander type |
| wim | 26:bd897a001012 | 118 | #define PCF8574 0 |
| wim | 26:bd897a001012 | 119 | #define MCP23008 1 |
| wim | 26:bd897a001012 | 120 | #endif |
| wim | 26:bd897a001012 | 121 | |
| wim | 26:bd897a001012 | 122 | #if (DFROBOT==1) |
| wim | 20:e0da005a777f | 123 | //Definitions for LCD2004 Module from DFROBOT, See http://arduino-info.wikispaces.com/LCD-Blue-I2C |
| wim | 26:bd897a001012 | 124 | //This hardware uses PCF8574 and is different from earlier/different Arduino I2C LCD displays |
| wim | 26:bd897a001012 | 125 | // |
| wim | 20:e0da005a777f | 126 | //Note: LCD RW pin must be kept LOW |
| wim | 26:bd897a001012 | 127 | // E2 is not available on default Arduino hardware and so it does not support LCD40x4 (second controller) |
| wim | 20:e0da005a777f | 128 | // BL is used to control backlight |
| wim | 20:e0da005a777f | 129 | #define D_LCD_PIN_RS 0 |
| wim | 20:e0da005a777f | 130 | #define D_LCD_PIN_RW 1 |
| wim | 20:e0da005a777f | 131 | #define D_LCD_PIN_E 2 |
| wim | 20:e0da005a777f | 132 | #define D_LCD_PIN_BL 3 |
| wim | 20:e0da005a777f | 133 | #define D_LCD_PIN_D4 4 |
| wim | 20:e0da005a777f | 134 | #define D_LCD_PIN_D5 5 |
| wim | 20:e0da005a777f | 135 | #define D_LCD_PIN_D6 6 |
| wim | 20:e0da005a777f | 136 | #define D_LCD_PIN_D7 7 |
| wim | 20:e0da005a777f | 137 | |
| wim | 20:e0da005a777f | 138 | #define D_LCD_PIN_E2 D_LCD_PIN_RW |
| wim | 26:bd897a001012 | 139 | |
| wim | 26:bd897a001012 | 140 | //Force I2C portexpander type |
| wim | 26:bd897a001012 | 141 | #define PCF8574 1 |
| wim | 26:bd897a001012 | 142 | #define MCP23008 0 |
| wim | 20:e0da005a777f | 143 | #endif |
| wim | 13:24506ba22480 | 144 | |
| wim | 26:bd897a001012 | 145 | //Bitpattern Defines for I2C PCF8574/PCF8574A, MCP23008 and SPI 74595 Bus expanders |
| wim | 13:24506ba22480 | 146 | // |
| wim | 13:24506ba22480 | 147 | #define D_LCD_D4 (1<<D_LCD_PIN_D4) |
| wim | 13:24506ba22480 | 148 | #define D_LCD_D5 (1<<D_LCD_PIN_D5) |
| wim | 13:24506ba22480 | 149 | #define D_LCD_D6 (1<<D_LCD_PIN_D6) |
| wim | 13:24506ba22480 | 150 | #define D_LCD_D7 (1<<D_LCD_PIN_D7) |
| wim | 13:24506ba22480 | 151 | #define D_LCD_RS (1<<D_LCD_PIN_RS) |
| wim | 13:24506ba22480 | 152 | #define D_LCD_E (1<<D_LCD_PIN_E) |
| wim | 13:24506ba22480 | 153 | #define D_LCD_E2 (1<<D_LCD_PIN_E2) |
| wim | 13:24506ba22480 | 154 | #define D_LCD_BL (1<<D_LCD_PIN_BL) |
| wim | 20:e0da005a777f | 155 | //#define D_LCD_RW (1<<D_LCD_PIN_RW) |
| wim | 20:e0da005a777f | 156 | |
| wim | 20:e0da005a777f | 157 | #define D_LCD_BUS_MSK (D_LCD_D4 | D_LCD_D5 | D_LCD_D6 | D_LCD_D7) |
| wim | 20:e0da005a777f | 158 | #define D_LCD_BUS_DEF 0x00 |
| wim | 13:24506ba22480 | 159 | |
| wim | 26:bd897a001012 | 160 | /* PCF8574/PCF8574A I2C portexpander slave address */ |
| wim | 26:bd897a001012 | 161 | #define PCF8574_SA0 0x40 |
| wim | 26:bd897a001012 | 162 | #define PCF8574_SA1 0x42 |
| wim | 26:bd897a001012 | 163 | #define PCF8574_SA2 0x44 |
| wim | 26:bd897a001012 | 164 | #define PCF8574_SA3 0x46 |
| wim | 26:bd897a001012 | 165 | #define PCF8574_SA4 0x48 |
| wim | 26:bd897a001012 | 166 | #define PCF8574_SA5 0x4A |
| wim | 26:bd897a001012 | 167 | #define PCF8574_SA6 0x4C |
| wim | 26:bd897a001012 | 168 | #define PCF8574_SA7 0x4E |
| wim | 26:bd897a001012 | 169 | |
| wim | 26:bd897a001012 | 170 | #define PCF8574A_SA0 0x70 |
| wim | 26:bd897a001012 | 171 | #define PCF8574A_SA1 0x72 |
| wim | 26:bd897a001012 | 172 | #define PCF8574A_SA2 0x74 |
| wim | 26:bd897a001012 | 173 | #define PCF8574A_SA3 0x76 |
| wim | 26:bd897a001012 | 174 | #define PCF8574A_SA4 0x78 |
| wim | 26:bd897a001012 | 175 | #define PCF8574A_SA5 0x7A |
| wim | 26:bd897a001012 | 176 | #define PCF8574A_SA6 0x7C |
| wim | 26:bd897a001012 | 177 | #define PCF8574A_SA7 0x7E |
| wim | 26:bd897a001012 | 178 | |
| wim | 26:bd897a001012 | 179 | /* MCP23008 I2C portexpander slave address */ |
| wim | 26:bd897a001012 | 180 | #define MCP23008_SA0 0x40 |
| wim | 26:bd897a001012 | 181 | #define MCP23008_SA1 0x42 |
| wim | 26:bd897a001012 | 182 | #define MCP23008_SA2 0x44 |
| wim | 26:bd897a001012 | 183 | #define MCP23008_SA3 0x46 |
| wim | 26:bd897a001012 | 184 | #define MCP23008_SA4 0x48 |
| wim | 26:bd897a001012 | 185 | #define MCP23008_SA5 0x4A |
| wim | 26:bd897a001012 | 186 | #define MCP23008_SA6 0x4C |
| wim | 26:bd897a001012 | 187 | #define MCP23008_SA7 0x4E |
| wim | 26:bd897a001012 | 188 | |
| wim | 26:bd897a001012 | 189 | |
| wim | 26:bd897a001012 | 190 | /* MCP23008 I2C portexpander internal registers */ |
| wim | 26:bd897a001012 | 191 | #define IODIR 0x00 |
| wim | 26:bd897a001012 | 192 | #define IPOL 0x01 |
| wim | 26:bd897a001012 | 193 | #define GPINTEN 0x02 |
| wim | 26:bd897a001012 | 194 | #define DEFVAL 0x03 |
| wim | 26:bd897a001012 | 195 | #define INTCON 0x04 |
| wim | 26:bd897a001012 | 196 | #define IOCON 0x05 |
| wim | 26:bd897a001012 | 197 | #define GPPU 0x06 |
| wim | 26:bd897a001012 | 198 | #define INTF 0x07 |
| wim | 26:bd897a001012 | 199 | #define INTCAP 0x08 |
| wim | 26:bd897a001012 | 200 | #define GPIO 0x09 |
| wim | 26:bd897a001012 | 201 | #define OLAT 0x0A |
| wim | 26:bd897a001012 | 202 | |
| wim | 26:bd897a001012 | 203 | |
| wim | 26:bd897a001012 | 204 | /* ST7032I I2C slave address */ |
| wim | 26:bd897a001012 | 205 | #define ST7032_SA 0x7C |
| wim | 26:bd897a001012 | 206 | |
| wim | 13:24506ba22480 | 207 | |
| wim | 13:24506ba22480 | 208 | /** Some sample User Defined Chars 5x7 dots */ |
| wim | 11:9ec02df863a1 | 209 | const char udc_ae[] = {0x00, 0x00, 0x1B, 0x05, 0x1F, 0x14, 0x1F, 0x00}; //æ |
| wim | 11:9ec02df863a1 | 210 | const char udc_0e[] = {0x00, 0x00, 0x0E, 0x13, 0x15, 0x19, 0x0E, 0x00}; //ø |
| wim | 11:9ec02df863a1 | 211 | const char udc_ao[] = {0x0E, 0x0A, 0x0E, 0x01, 0x0F, 0x11, 0x0F, 0x00}; //å |
| wim | 11:9ec02df863a1 | 212 | const char udc_AE[] = {0x0F, 0x14, 0x14, 0x1F, 0x14, 0x14, 0x17, 0x00}; //Æ |
| wim | 11:9ec02df863a1 | 213 | const char udc_0E[] = {0x0E, 0x13, 0x15, 0x15, 0x15, 0x19, 0x0E, 0x00}; //Ø |
| wim | 18:bd65dc10f27f | 214 | const char udc_Ao[] = {0x0E, 0x0A, 0x0E, 0x11, 0x1F, 0x11, 0x11, 0x00}; //Å |
| wim | 18:bd65dc10f27f | 215 | const char udc_PO[] = {0x04, 0x0A, 0x0A, 0x1F, 0x1B, 0x1B, 0x1F, 0x00}; //Padlock Open |
| wim | 18:bd65dc10f27f | 216 | const char udc_PC[] = {0x1C, 0x10, 0x08, 0x1F, 0x1B, 0x1B, 0x1F, 0x00}; //Padlock Closed |
| wim | 11:9ec02df863a1 | 217 | |
| wim | 11:9ec02df863a1 | 218 | const char udc_0[] = {0x18, 0x14, 0x12, 0x11, 0x12, 0x14, 0x18, 0x00}; // |> |
| wim | 11:9ec02df863a1 | 219 | const char udc_1[] = {0x03, 0x05, 0x09, 0x11, 0x09, 0x05, 0x03, 0x00}; // <| |
| wim | 11:9ec02df863a1 | 220 | const char udc_2[] = {0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x00}; // | |
| wim | 11:9ec02df863a1 | 221 | const char udc_3[] = {0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x00}; // || |
| wim | 11:9ec02df863a1 | 222 | const char udc_4[] = {0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x00}; // ||| |
| wim | 11:9ec02df863a1 | 223 | const char udc_5[] = {0x00, 0x1f, 0x00, 0x1f, 0x00, 0x1f, 0x00, 0x00}; // = |
| wim | 11:9ec02df863a1 | 224 | const char udc_6[] = {0x15, 0x0a, 0x15, 0x0a, 0x15, 0x0a, 0x15, 0x00}; // checkerboard |
| wim | 11:9ec02df863a1 | 225 | const char udc_7[] = {0x10, 0x08, 0x04, 0x02, 0x01, 0x00, 0x10, 0x00}; // \ |
| wim | 11:9ec02df863a1 | 226 | |
| wim | 13:24506ba22480 | 227 | const char udc_degr[] = {0x06, 0x09, 0x09, 0x06, 0x00, 0x00, 0x00, 0x00}; // Degree symbol |
| wim | 13:24506ba22480 | 228 | |
| wim | 13:24506ba22480 | 229 | const char udc_TM_T[] = {0x1F, 0x04, 0x04, 0x04, 0x00, 0x00, 0x00, 0x00}; // Trademark T |
| wim | 13:24506ba22480 | 230 | const char udc_TM_M[] = {0x11, 0x1B, 0x15, 0x11, 0x00, 0x00, 0x00, 0x00}; // Trademark M |
| wim | 13:24506ba22480 | 231 | |
| wim | 13:24506ba22480 | 232 | //const char udc_Bat_Hi[] = {0x0E, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x00}; // Battery Full |
| wim | 13:24506ba22480 | 233 | //const char udc_Bat_Ha[] = {0x0E, 0x11, 0x13, 0x17, 0x1F, 0x1F, 0x1F, 0x00}; // Battery Half |
| wim | 13:24506ba22480 | 234 | //const char udc_Bat_Lo[] = {0x0E, 0x11, 0x11, 0x11, 0x11, 0x11, 0x1F, 0x00}; // Battery Low |
| wim | 13:24506ba22480 | 235 | const char udc_Bat_Hi[] = {0x0E, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x00}; // Battery Full |
| wim | 13:24506ba22480 | 236 | const char udc_Bat_Ha[] = {0x0E, 0x11, 0x11, 0x1F, 0x1F, 0x1F, 0x1F, 0x00}; // Battery Half |
| wim | 13:24506ba22480 | 237 | const char udc_Bat_Lo[] = {0x0E, 0x11, 0x11, 0x11, 0x11, 0x1F, 0x1F, 0x00}; // Battery Low |
| wim | 18:bd65dc10f27f | 238 | const char udc_AC[] = {0x0A, 0x0A, 0x1F, 0x11, 0x0E, 0x04, 0x04, 0x00}; // AC Power |
| wim | 13:24506ba22480 | 239 | |
| wim | 18:bd65dc10f27f | 240 | //const char udc_smiley[] = {0x00, 0x0A, 0x00, 0x04, 0x11, 0x0E, 0x00, 0x00}; // Smiley |
| wim | 18:bd65dc10f27f | 241 | //const char udc_droopy[] = {0x00, 0x0A, 0x00, 0x04, 0x00, 0x0E, 0x11, 0x00}; // Droopey |
| wim | 18:bd65dc10f27f | 242 | //const char udc_note[] = {0x01, 0x03, 0x05, 0x09, 0x0B, 0x1B, 0x18, 0x00}; // Note |
| wim | 18:bd65dc10f27f | 243 | |
| wim | 18:bd65dc10f27f | 244 | //const char udc_bar_1[] = {0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x00}; // Bar 1 |
| wim | 18:bd65dc10f27f | 245 | //const char udc_bar_2[] = {0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00}; // Bar 11 |
| wim | 18:bd65dc10f27f | 246 | //const char udc_bar_3[] = {0x1C, 0x1C, 0x1C, 0x1C, 0x1C, 0x1C, 0x1C, 0x00}; // Bar 111 |
| wim | 18:bd65dc10f27f | 247 | //const char udc_bar_4[] = {0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x00}; // Bar 1111 |
| wim | 18:bd65dc10f27f | 248 | //const char udc_bar_5[] = {0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x00}; // Bar 11111 |
| wim | 13:24506ba22480 | 249 | |
| wim | 11:9ec02df863a1 | 250 | |
| wim | 11:9ec02df863a1 | 251 | /** A TextLCD interface for driving 4-bit HD44780-based LCDs |
| wim | 11:9ec02df863a1 | 252 | * |
| wim | 22:35742ec80c24 | 253 | * @brief Currently supports 8x1, 8x2, 12x2, 12x4, 16x1, 16x2, 16x4, 20x2, 20x4, 24x2, 24x4, 40x2 and 40x4 panels |
| wim | 27:22d5086f6ba6 | 254 | * 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 | 255 | * |
| wim | 11:9ec02df863a1 | 256 | */ |
| wim | 21:9eb628d9e164 | 257 | class TextLCD_Base : public Stream { |
| simon | 1:ac48b187213c | 258 | public: |
| simon | 1:ac48b187213c | 259 | |
| simon | 2:227356c7d12c | 260 | /** LCD panel format */ |
| simon | 1:ac48b187213c | 261 | enum LCDType { |
| wim | 8:03116f75b66e | 262 | LCD8x1, /**< 8x1 LCD panel */ |
| wim | 13:24506ba22480 | 263 | LCD8x2, /**< 8x2 LCD panel */ |
| wim | 18:bd65dc10f27f | 264 | LCD8x2B, /**< 8x2 LCD panel (actually 16x1) */ |
| wim | 15:b70ebfffb258 | 265 | LCD12x2, /**< 12x2 LCD panel */ |
| wim | 15:b70ebfffb258 | 266 | LCD12x4, /**< 12x4 LCD panel */ |
| wim | 13:24506ba22480 | 267 | LCD16x1, /**< 16x1 LCD panel (actually 8x2) */ |
| wim | 8:03116f75b66e | 268 | LCD16x2, /**< 16x2 LCD panel (default) */ |
| wim | 8:03116f75b66e | 269 | LCD16x2B, /**< 16x2 LCD panel alternate addressing */ |
| wim | 8:03116f75b66e | 270 | LCD16x4, /**< 16x4 LCD panel */ |
| wim | 8:03116f75b66e | 271 | LCD20x2, /**< 20x2 LCD panel */ |
| wim | 8:03116f75b66e | 272 | LCD20x4, /**< 20x4 LCD panel */ |
| wim | 9:0893d986e717 | 273 | LCD24x2, /**< 24x2 LCD panel */ |
| wim | 10:dd9b3a696acd | 274 | LCD24x4, /**< 24x4 LCD panel, special mode KS0078 */ |
| wim | 15:b70ebfffb258 | 275 | LCD40x2, /**< 40x2 LCD panel */ |
| wim | 15:b70ebfffb258 | 276 | LCD40x4 /**< 40x4 LCD panel, Two controller version */ |
| simon | 1:ac48b187213c | 277 | }; |
| simon | 1:ac48b187213c | 278 | |
| wim | 19:c747b9e2e7b8 | 279 | /** LCD Controller Device */ |
| wim | 19:c747b9e2e7b8 | 280 | enum LCDCtrl { |
| wim | 26:bd897a001012 | 281 | HD44780, /**< HD44780 (default) */ |
| wim | 26:bd897a001012 | 282 | WS0010, /**< WS0010 OLED Controller */ |
| wim | 26:bd897a001012 | 283 | ST7036, /**< ST7036 */ |
| wim | 26:bd897a001012 | 284 | ST7032_3V3, /**< ST7032 3V3 with Booster */ |
| wim | 26:bd897a001012 | 285 | ST7032_5V /**< ST7032 5V no Booster */ |
| wim | 19:c747b9e2e7b8 | 286 | }; |
| wim | 19:c747b9e2e7b8 | 287 | |
| wim | 19:c747b9e2e7b8 | 288 | |
| wim | 10:dd9b3a696acd | 289 | /** LCD Cursor control */ |
| wim | 10:dd9b3a696acd | 290 | enum LCDCursor { |
| wim | 17:652ab113bc2e | 291 | CurOff_BlkOff = 0x00, /**< Cursor Off, Blinking Char Off */ |
| wim | 17:652ab113bc2e | 292 | CurOn_BlkOff = 0x02, /**< Cursor On, Blinking Char Off */ |
| wim | 17:652ab113bc2e | 293 | CurOff_BlkOn = 0x01, /**< Cursor Off, Blinking Char On */ |
| wim | 17:652ab113bc2e | 294 | CurOn_BlkOn = 0x03 /**< Cursor On, Blinking Char On */ |
| wim | 17:652ab113bc2e | 295 | }; |
| wim | 17:652ab113bc2e | 296 | |
| wim | 17:652ab113bc2e | 297 | |
| wim | 17:652ab113bc2e | 298 | /** LCD Display control */ |
| wim | 17:652ab113bc2e | 299 | enum LCDMode { |
| wim | 17:652ab113bc2e | 300 | DispOff = 0x00, /**< Display Off */ |
| wim | 17:652ab113bc2e | 301 | DispOn = 0x04 /**< Display On */ |
| wim | 10:dd9b3a696acd | 302 | }; |
| wim | 10:dd9b3a696acd | 303 | |
| wim | 20:e0da005a777f | 304 | /** LCD Backlight control */ |
| wim | 20:e0da005a777f | 305 | enum LCDBacklight { |
| wim | 20:e0da005a777f | 306 | LightOff, /**< Backlight Off */ |
| wim | 20:e0da005a777f | 307 | LightOn /**< Backlight On */ |
| wim | 20:e0da005a777f | 308 | }; |
| wim | 10:dd9b3a696acd | 309 | |
| simon | 2:227356c7d12c | 310 | |
| simon | 2:227356c7d12c | 311 | #if DOXYGEN_ONLY |
| simon | 2:227356c7d12c | 312 | /** Write a character to the LCD |
| simon | 2:227356c7d12c | 313 | * |
| simon | 2:227356c7d12c | 314 | * @param c The character to write to the display |
| simon | 2:227356c7d12c | 315 | */ |
| simon | 2:227356c7d12c | 316 | int putc(int c); |
| simon | 2:227356c7d12c | 317 | |
| simon | 2:227356c7d12c | 318 | /** Write a formated string to the LCD |
| simon | 2:227356c7d12c | 319 | * |
| simon | 2:227356c7d12c | 320 | * @param format A printf-style format string, followed by the |
| simon | 2:227356c7d12c | 321 | * variables to use in formating the string. |
| simon | 2:227356c7d12c | 322 | */ |
| simon | 2:227356c7d12c | 323 | int printf(const char* format, ...); |
| simon | 2:227356c7d12c | 324 | #endif |
| simon | 2:227356c7d12c | 325 | |
| simon | 2:227356c7d12c | 326 | /** Locate to a screen column and row |
| simon | 2:227356c7d12c | 327 | * |
| simon | 2:227356c7d12c | 328 | * @param column The horizontal position from the left, indexed from 0 |
| simon | 2:227356c7d12c | 329 | * @param row The vertical position from the top, indexed from 0 |
| simon | 2:227356c7d12c | 330 | */ |
| simon | 1:ac48b187213c | 331 | void locate(int column, int row); |
| simon | 2:227356c7d12c | 332 | |
| wim | 10:dd9b3a696acd | 333 | |
| wim | 10:dd9b3a696acd | 334 | /** Return the memoryaddress of screen column and row location |
| wim | 10:dd9b3a696acd | 335 | * |
| wim | 10:dd9b3a696acd | 336 | * @param column The horizontal position from the left, indexed from 0 |
| wim | 10:dd9b3a696acd | 337 | * @param row The vertical position from the top, indexed from 0 |
| wim | 10:dd9b3a696acd | 338 | * @param return The memoryaddress of screen column and row location |
| wim | 10:dd9b3a696acd | 339 | */ |
| wim | 9:0893d986e717 | 340 | int getAddress(int column, int row); |
| wim | 10:dd9b3a696acd | 341 | |
| wim | 10:dd9b3a696acd | 342 | |
| wim | 10:dd9b3a696acd | 343 | /** Set the memoryaddress of screen column and row location |
| wim | 10:dd9b3a696acd | 344 | * |
| wim | 10:dd9b3a696acd | 345 | * @param column The horizontal position from the left, indexed from 0 |
| wim | 10:dd9b3a696acd | 346 | * @param row The vertical position from the top, indexed from 0 |
| wim | 10:dd9b3a696acd | 347 | */ |
| wim | 9:0893d986e717 | 348 | void setAddress(int column, int row); |
| wim | 9:0893d986e717 | 349 | |
| wim | 10:dd9b3a696acd | 350 | |
| wim | 22:35742ec80c24 | 351 | /** Clear the screen and locate to 0,0 |
| wim | 22:35742ec80c24 | 352 | */ |
| simon | 1:ac48b187213c | 353 | void cls(); |
| simon | 2:227356c7d12c | 354 | |
| wim | 10:dd9b3a696acd | 355 | /** Return the number of rows |
| wim | 10:dd9b3a696acd | 356 | * |
| wim | 10:dd9b3a696acd | 357 | * @param return The number of rows |
| wim | 10:dd9b3a696acd | 358 | */ |
| simon | 1:ac48b187213c | 359 | int rows(); |
| wim | 10:dd9b3a696acd | 360 | |
| wim | 10:dd9b3a696acd | 361 | /** Return the number of columns |
| wim | 10:dd9b3a696acd | 362 | * |
| wim | 10:dd9b3a696acd | 363 | * @param return The number of columns |
| wim | 10:dd9b3a696acd | 364 | */ |
| wim | 10:dd9b3a696acd | 365 | int columns(); |
| simon | 2:227356c7d12c | 366 | |
| wim | 11:9ec02df863a1 | 367 | /** Set the Cursormode |
| wim | 11:9ec02df863a1 | 368 | * |
| wim | 17:652ab113bc2e | 369 | * @param cursorMode The Cursor mode (CurOff_BlkOff, CurOn_BlkOff, CurOff_BlkOn, CurOn_BlkOn) |
| wim | 11:9ec02df863a1 | 370 | */ |
| wim | 17:652ab113bc2e | 371 | void setCursor(LCDCursor cursorMode); |
| wim | 17:652ab113bc2e | 372 | |
| wim | 17:652ab113bc2e | 373 | |
| wim | 17:652ab113bc2e | 374 | /** Set the Displaymode |
| wim | 17:652ab113bc2e | 375 | * |
| wim | 17:652ab113bc2e | 376 | * @param displayMode The Display mode (DispOff, DispOn) |
| wim | 17:652ab113bc2e | 377 | */ |
| wim | 21:9eb628d9e164 | 378 | void setMode(LCDMode displayMode); |
| wim | 11:9ec02df863a1 | 379 | |
| wim | 20:e0da005a777f | 380 | /** Set the Backlight mode |
| wim | 20:e0da005a777f | 381 | * |
| wim | 21:9eb628d9e164 | 382 | * @param backlightMode The Backlight mode (LightOff, LightOn) |
| wim | 20:e0da005a777f | 383 | */ |
| wim | 21:9eb628d9e164 | 384 | void setBacklight(LCDBacklight backlightMode); |
| wim | 20:e0da005a777f | 385 | |
| wim | 11:9ec02df863a1 | 386 | |
| wim | 11:9ec02df863a1 | 387 | /** Set User Defined Characters |
| wim | 11:9ec02df863a1 | 388 | * |
| wim | 11:9ec02df863a1 | 389 | * @param unsigned char c The Index of the UDC (0..7) |
| wim | 12:6bf9d9957d31 | 390 | * @param char *udc_data The bitpatterns for the UDC (8 bytes of 5 significant bits) |
| wim | 11:9ec02df863a1 | 391 | */ |
| wim | 11:9ec02df863a1 | 392 | void setUDC(unsigned char c, char *udc_data); |
| wim | 11:9ec02df863a1 | 393 | |
| wim | 20:e0da005a777f | 394 | |
| simon | 1:ac48b187213c | 395 | protected: |
| wim | 13:24506ba22480 | 396 | |
| wim | 21:9eb628d9e164 | 397 | /** LCD controller select, mainly used for LCD40x4 |
| wim | 21:9eb628d9e164 | 398 | */ |
| wim | 19:c747b9e2e7b8 | 399 | enum _LCDCtrl_Idx { |
| wim | 15:b70ebfffb258 | 400 | _LCDCtrl_0, /*< Primary */ |
| wim | 15:b70ebfffb258 | 401 | _LCDCtrl_1, /*< Secondary */ |
| wim | 15:b70ebfffb258 | 402 | }; |
| wim | 21:9eb628d9e164 | 403 | |
| wim | 21:9eb628d9e164 | 404 | /** Create a TextLCD_Base interface |
| wim | 21:9eb628d9e164 | 405 | * @brief Base class, can not be instantiated |
| wim | 21:9eb628d9e164 | 406 | * |
| wim | 21:9eb628d9e164 | 407 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
| wim | 21:9eb628d9e164 | 408 | * @param ctrl LCD controller (default = HD44780) |
| wim | 21:9eb628d9e164 | 409 | */ |
| wim | 21:9eb628d9e164 | 410 | TextLCD_Base(LCDType type = LCD16x2, LCDCtrl ctrl = HD44780); |
| wim | 21:9eb628d9e164 | 411 | |
| wim | 15:b70ebfffb258 | 412 | |
| simon | 1:ac48b187213c | 413 | // Stream implementation functions |
| simon | 1:ac48b187213c | 414 | virtual int _putc(int value); |
| simon | 1:ac48b187213c | 415 | virtual int _getc(); |
| simon | 1:ac48b187213c | 416 | |
| wim | 21:9eb628d9e164 | 417 | /** Low level methods for LCD controller |
| wim | 21:9eb628d9e164 | 418 | */ |
| wim | 13:24506ba22480 | 419 | void _init(); |
| wim | 15:b70ebfffb258 | 420 | void _initCtrl(); |
| wim | 13:24506ba22480 | 421 | int _address(int column, int row); |
| wim | 21:9eb628d9e164 | 422 | void _setCursor(LCDCursor show); |
| wim | 17:652ab113bc2e | 423 | void _setUDC(unsigned char c, char *udc_data); |
| wim | 21:9eb628d9e164 | 424 | void _setCursorAndDisplayMode(LCDMode displayMode, LCDCursor cursorType); |
| wim | 13:24506ba22480 | 425 | |
| wim | 21:9eb628d9e164 | 426 | /** Low level write operations to LCD controller |
| wim | 21:9eb628d9e164 | 427 | */ |
| wim | 17:652ab113bc2e | 428 | void _writeNibble(int value); |
| Sissors | 24:fb3399713710 | 429 | virtual void _writeByte(int value); |
| wim | 15:b70ebfffb258 | 430 | void _writeCommand(int command); |
| wim | 15:b70ebfffb258 | 431 | void _writeData(int data); |
| wim | 15:b70ebfffb258 | 432 | |
| wim | 21:9eb628d9e164 | 433 | /** Pure Virtual Low level writes to LCD Bus (serial or parallel) |
| wim | 21:9eb628d9e164 | 434 | */ |
| wim | 21:9eb628d9e164 | 435 | virtual void _setEnable(bool value) = 0; |
| wim | 21:9eb628d9e164 | 436 | virtual void _setRS(bool value) = 0; |
| wim | 21:9eb628d9e164 | 437 | virtual void _setBL(bool value) = 0; |
| wim | 21:9eb628d9e164 | 438 | virtual void _setData(int value) = 0; |
| wim | 13:24506ba22480 | 439 | |
| wim | 13:24506ba22480 | 440 | |
| wim | 13:24506ba22480 | 441 | //Display type |
| simon | 1:ac48b187213c | 442 | LCDType _type; |
| simon | 1:ac48b187213c | 443 | |
| wim | 21:9eb628d9e164 | 444 | //Display mode |
| wim | 17:652ab113bc2e | 445 | LCDMode _currentMode; |
| wim | 17:652ab113bc2e | 446 | |
| wim | 19:c747b9e2e7b8 | 447 | //Controller type |
| wim | 19:c747b9e2e7b8 | 448 | LCDCtrl _ctrl; |
| wim | 19:c747b9e2e7b8 | 449 | |
| wim | 15:b70ebfffb258 | 450 | //Controller select, mainly used for LCD40x4 |
| wim | 19:c747b9e2e7b8 | 451 | _LCDCtrl_Idx _ctrl_idx; |
| wim | 15:b70ebfffb258 | 452 | |
| wim | 13:24506ba22480 | 453 | // Cursor |
| simon | 1:ac48b187213c | 454 | int _column; |
| simon | 1:ac48b187213c | 455 | int _row; |
| wim | 15:b70ebfffb258 | 456 | LCDCursor _currentCursor; |
| simon | 1:ac48b187213c | 457 | }; |
| simon | 1:ac48b187213c | 458 | |
| wim | 23:d47f226efb24 | 459 | //--------- End TextLCD_Base ----------- |
| wim | 22:35742ec80c24 | 460 | |
| wim | 22:35742ec80c24 | 461 | |
| wim | 22:35742ec80c24 | 462 | |
| wim | 23:d47f226efb24 | 463 | //--------- Start TextLCD Bus ----------- |
| wim | 21:9eb628d9e164 | 464 | |
| wim | 21:9eb628d9e164 | 465 | /** Create a TextLCD interface for using regular mbed pins |
| wim | 21:9eb628d9e164 | 466 | * |
| wim | 21:9eb628d9e164 | 467 | */ |
| wim | 21:9eb628d9e164 | 468 | class TextLCD : public TextLCD_Base { |
| wim | 21:9eb628d9e164 | 469 | public: |
| wim | 21:9eb628d9e164 | 470 | /** Create a TextLCD interface for using regular mbed pins |
| wim | 21:9eb628d9e164 | 471 | * |
| wim | 21:9eb628d9e164 | 472 | * @param rs Instruction/data control line |
| wim | 21:9eb628d9e164 | 473 | * @param e Enable line (clock) |
| wim | 21:9eb628d9e164 | 474 | * @param d4-d7 Data lines for using as a 4-bit interface |
| wim | 21:9eb628d9e164 | 475 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
| wim | 21:9eb628d9e164 | 476 | * @param bl Backlight control line (optional, default = NC) |
| wim | 21:9eb628d9e164 | 477 | * @param e2 Enable2 line (clock for second controller, LCD40x4 only) |
| wim | 21:9eb628d9e164 | 478 | * @param ctrl LCD controller (default = HD44780) |
| wim | 21:9eb628d9e164 | 479 | */ |
| wim | 21:9eb628d9e164 | 480 | 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 | 481 | |
| wim | 22:35742ec80c24 | 482 | |
| wim | 22:35742ec80c24 | 483 | /** Destruct a TextLCD interface for using regular mbed pins |
| wim | 22:35742ec80c24 | 484 | * |
| wim | 22:35742ec80c24 | 485 | * @param none |
| wim | 22:35742ec80c24 | 486 | * @return none |
| wim | 22:35742ec80c24 | 487 | */ |
| wim | 22:35742ec80c24 | 488 | virtual ~TextLCD(); |
| wim | 22:35742ec80c24 | 489 | |
| wim | 21:9eb628d9e164 | 490 | private: |
| wim | 21:9eb628d9e164 | 491 | //Low level writes to LCD Bus (serial or parallel) |
| wim | 21:9eb628d9e164 | 492 | virtual void _setEnable(bool value); |
| wim | 21:9eb628d9e164 | 493 | virtual void _setRS(bool value); |
| wim | 21:9eb628d9e164 | 494 | virtual void _setBL(bool value); |
| wim | 21:9eb628d9e164 | 495 | virtual void _setData(int value); |
| wim | 21:9eb628d9e164 | 496 | |
| wim | 22:35742ec80c24 | 497 | /** Regular mbed pins bus |
| wim | 22:35742ec80c24 | 498 | */ |
| wim | 22:35742ec80c24 | 499 | DigitalOut _rs, _e; |
| wim | 22:35742ec80c24 | 500 | BusOut _d; |
| wim | 22:35742ec80c24 | 501 | |
| wim | 22:35742ec80c24 | 502 | /** Optional Hardware pins for the Backlight and LCD40x4 device |
| wim | 22:35742ec80c24 | 503 | * Default PinName value is NC, must be used as pointer to avoid issues with mbed lib and DigitalOut pins |
| wim | 22:35742ec80c24 | 504 | */ |
| wim | 22:35742ec80c24 | 505 | DigitalOut *_bl, *_e2; |
| wim | 21:9eb628d9e164 | 506 | }; |
| wim | 21:9eb628d9e164 | 507 | |
| wim | 22:35742ec80c24 | 508 | |
| wim | 23:d47f226efb24 | 509 | //----------- End TextLCD --------------- |
| wim | 21:9eb628d9e164 | 510 | |
| wim | 21:9eb628d9e164 | 511 | |
| wim | 23:d47f226efb24 | 512 | //--------- Start TextLCD_I2C ----------- |
| wim | 22:35742ec80c24 | 513 | |
| wim | 22:35742ec80c24 | 514 | |
| wim | 26:bd897a001012 | 515 | /** Create a TextLCD interface using an I2C PCF8574 (or PCF8574A) or MCP23008 portexpander |
| wim | 21:9eb628d9e164 | 516 | * |
| wim | 21:9eb628d9e164 | 517 | */ |
| wim | 21:9eb628d9e164 | 518 | class TextLCD_I2C : public TextLCD_Base { |
| wim | 21:9eb628d9e164 | 519 | public: |
| wim | 26:bd897a001012 | 520 | /** Create a TextLCD interface using an I2C PCF8574 (or PCF8574A) or MCP23008 portexpander |
| wim | 21:9eb628d9e164 | 521 | * |
| wim | 21:9eb628d9e164 | 522 | * @param i2c I2C Bus |
| wim | 26:bd897a001012 | 523 | * @param deviceAddress I2C slave address (PCF8574 or PCF8574A, default = PCF8574_SA0 = 0x40) |
| wim | 21:9eb628d9e164 | 524 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
| wim | 21:9eb628d9e164 | 525 | * @param ctrl LCD controller (default = HD44780) |
| wim | 21:9eb628d9e164 | 526 | */ |
| wim | 26:bd897a001012 | 527 | TextLCD_I2C(I2C *i2c, char deviceAddress = PCF8574_SA0, LCDType type = LCD16x2, LCDCtrl ctrl = HD44780); |
| wim | 21:9eb628d9e164 | 528 | |
| wim | 21:9eb628d9e164 | 529 | private: |
| wim | 21:9eb628d9e164 | 530 | //Low level writes to LCD Bus (serial or parallel) |
| wim | 21:9eb628d9e164 | 531 | virtual void _setEnable(bool value); |
| wim | 21:9eb628d9e164 | 532 | virtual void _setRS(bool value); |
| wim | 21:9eb628d9e164 | 533 | virtual void _setBL(bool value); |
| wim | 26:bd897a001012 | 534 | virtual void _setData(int value); |
| wim | 26:bd897a001012 | 535 | |
| wim | 26:bd897a001012 | 536 | // Write data to MCP23008 I2C portexpander |
| wim | 26:bd897a001012 | 537 | void _write_register (int reg, int value); |
| wim | 21:9eb628d9e164 | 538 | |
| wim | 21:9eb628d9e164 | 539 | //I2C bus |
| wim | 21:9eb628d9e164 | 540 | I2C *_i2c; |
| wim | 21:9eb628d9e164 | 541 | char _slaveAddress; |
| wim | 21:9eb628d9e164 | 542 | |
| wim | 21:9eb628d9e164 | 543 | // Internal bus mirror value for serial bus only |
| wim | 21:9eb628d9e164 | 544 | char _lcd_bus; |
| wim | 21:9eb628d9e164 | 545 | |
| wim | 21:9eb628d9e164 | 546 | }; |
| wim | 21:9eb628d9e164 | 547 | |
| wim | 21:9eb628d9e164 | 548 | |
| wim | 23:d47f226efb24 | 549 | //---------- End TextLCD_I2C ------------ |
| wim | 22:35742ec80c24 | 550 | |
| wim | 22:35742ec80c24 | 551 | |
| wim | 22:35742ec80c24 | 552 | |
| wim | 23:d47f226efb24 | 553 | //--------- Start TextLCD_SPI ----------- |
| wim | 22:35742ec80c24 | 554 | |
| wim | 21:9eb628d9e164 | 555 | |
| wim | 21:9eb628d9e164 | 556 | /** Create a TextLCD interface using an SPI 74595 portexpander |
| wim | 21:9eb628d9e164 | 557 | * |
| wim | 21:9eb628d9e164 | 558 | */ |
| wim | 21:9eb628d9e164 | 559 | class TextLCD_SPI : public TextLCD_Base { |
| wim | 21:9eb628d9e164 | 560 | public: |
| wim | 21:9eb628d9e164 | 561 | /** Create a TextLCD interface using an SPI 74595 portexpander |
| wim | 21:9eb628d9e164 | 562 | * |
| wim | 21:9eb628d9e164 | 563 | * @param spi SPI Bus |
| wim | 21:9eb628d9e164 | 564 | * @param cs chip select pin (active low) |
| wim | 21:9eb628d9e164 | 565 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
| wim | 21:9eb628d9e164 | 566 | * @param ctrl LCD controller (default = HD44780) |
| wim | 21:9eb628d9e164 | 567 | */ |
| wim | 21:9eb628d9e164 | 568 | TextLCD_SPI(SPI *spi, PinName cs, LCDType type = LCD16x2, LCDCtrl ctrl = HD44780); |
| wim | 21:9eb628d9e164 | 569 | |
| wim | 21:9eb628d9e164 | 570 | |
| wim | 21:9eb628d9e164 | 571 | private: |
| wim | 21:9eb628d9e164 | 572 | //Low level writes to LCD Bus (serial or parallel) |
| wim | 21:9eb628d9e164 | 573 | virtual void _setEnable(bool value); |
| wim | 21:9eb628d9e164 | 574 | virtual void _setRS(bool value); |
| wim | 21:9eb628d9e164 | 575 | virtual void _setBL(bool value); |
| wim | 21:9eb628d9e164 | 576 | virtual void _setData(int value); |
| wim | 21:9eb628d9e164 | 577 | virtual void _setCS(bool value); |
| wim | 21:9eb628d9e164 | 578 | |
| wim | 21:9eb628d9e164 | 579 | //Low level writes to LCD serial bus only |
| wim | 21:9eb628d9e164 | 580 | void _writeBus(); |
| wim | 21:9eb628d9e164 | 581 | |
| wim | 21:9eb628d9e164 | 582 | // SPI bus |
| wim | 21:9eb628d9e164 | 583 | SPI *_spi; |
| wim | 21:9eb628d9e164 | 584 | DigitalOut _cs; |
| wim | 21:9eb628d9e164 | 585 | |
| wim | 21:9eb628d9e164 | 586 | // Internal bus mirror value for serial bus only |
| wim | 21:9eb628d9e164 | 587 | char _lcd_bus; |
| wim | 21:9eb628d9e164 | 588 | |
| wim | 21:9eb628d9e164 | 589 | }; |
| wim | 21:9eb628d9e164 | 590 | |
| wim | 23:d47f226efb24 | 591 | //---------- End TextLCD_SPI ------------ |
| wim | 21:9eb628d9e164 | 592 | |
| Sissors | 24:fb3399713710 | 593 | |
| Sissors | 24:fb3399713710 | 594 | |
| wim | 26:bd897a001012 | 595 | //--------- Start TextLCD_SPI_N ----------- |
| Sissors | 24:fb3399713710 | 596 | |
| wim | 25:6162b31128c9 | 597 | /** Create a TextLCD interface using a controller with native SPI interface |
| Sissors | 24:fb3399713710 | 598 | * |
| Sissors | 24:fb3399713710 | 599 | */ |
| wim | 25:6162b31128c9 | 600 | class TextLCD_SPI_N : public TextLCD_Base { |
| Sissors | 24:fb3399713710 | 601 | public: |
| wim | 25:6162b31128c9 | 602 | /** Create a TextLCD interface using a controller with native SPI interface |
| Sissors | 24:fb3399713710 | 603 | * |
| Sissors | 24:fb3399713710 | 604 | * @param spi SPI Bus |
| Sissors | 24:fb3399713710 | 605 | * @param cs chip select pin (active low) |
| Sissors | 24:fb3399713710 | 606 | * @param rs Instruction/data control line |
| Sissors | 24:fb3399713710 | 607 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
| Sissors | 24:fb3399713710 | 608 | * @param bl Backlight control line (optional, default = NC) |
| wim | 26:bd897a001012 | 609 | * @param ctrl LCD controller (default = ST7032_3V3) |
| Sissors | 24:fb3399713710 | 610 | */ |
| wim | 26:bd897a001012 | 611 | TextLCD_SPI_N(SPI *spi, PinName cs, PinName rs, LCDType type = LCD16x2, PinName bl = NC, LCDCtrl ctrl = ST7032_3V3); |
| wim | 25:6162b31128c9 | 612 | virtual ~TextLCD_SPI_N(void); |
| Sissors | 24:fb3399713710 | 613 | |
| Sissors | 24:fb3399713710 | 614 | private: |
| Sissors | 24:fb3399713710 | 615 | virtual void _setEnable(bool value); |
| Sissors | 24:fb3399713710 | 616 | virtual void _setRS(bool value); |
| Sissors | 24:fb3399713710 | 617 | virtual void _setBL(bool value); |
| Sissors | 24:fb3399713710 | 618 | virtual void _setData(int value); |
| Sissors | 24:fb3399713710 | 619 | virtual void _writeByte(int value); |
| Sissors | 24:fb3399713710 | 620 | |
| Sissors | 24:fb3399713710 | 621 | // SPI bus |
| Sissors | 24:fb3399713710 | 622 | SPI *_spi; |
| Sissors | 24:fb3399713710 | 623 | DigitalOut _cs; |
| Sissors | 24:fb3399713710 | 624 | DigitalOut _rs; |
| Sissors | 24:fb3399713710 | 625 | DigitalOut *_bl; |
| Sissors | 24:fb3399713710 | 626 | |
| Sissors | 24:fb3399713710 | 627 | }; |
| Sissors | 24:fb3399713710 | 628 | |
| wim | 25:6162b31128c9 | 629 | //---------- End TextLCD_SPI_N ------------ |
| Sissors | 24:fb3399713710 | 630 | |
| wim | 26:bd897a001012 | 631 | |
| wim | 26:bd897a001012 | 632 | //--------- Start TextLCD_I2C_N ----------- |
| wim | 26:bd897a001012 | 633 | |
| wim | 26:bd897a001012 | 634 | /** Create a TextLCD interface using a controller with native I2C interface |
| wim | 26:bd897a001012 | 635 | * |
| wim | 26:bd897a001012 | 636 | */ |
| wim | 26:bd897a001012 | 637 | class TextLCD_I2C_N : public TextLCD_Base { |
| wim | 26:bd897a001012 | 638 | public: |
| wim | 26:bd897a001012 | 639 | /** Create a TextLCD interface using a controller with native I2C interface |
| wim | 26:bd897a001012 | 640 | * |
| wim | 26:bd897a001012 | 641 | * @param i2c I2C Bus |
| wim | 26:bd897a001012 | 642 | * @param deviceAddress I2C slave address (default = 0x) |
| wim | 26:bd897a001012 | 643 | * @param type Sets the panel size/addressing mode (default = LCD16x2) |
| wim | 26:bd897a001012 | 644 | * @param ctrl LCD controller (default = ST7032_3V3) |
| wim | 26:bd897a001012 | 645 | */ |
| wim | 26:bd897a001012 | 646 | TextLCD_I2C_N(I2C *i2c, char deviceAddress = 0x40, LCDType type = LCD16x2, LCDCtrl ctrl = ST7032_3V3); |
| wim | 26:bd897a001012 | 647 | virtual ~TextLCD_I2C_N(void); |
| wim | 26:bd897a001012 | 648 | |
| wim | 26:bd897a001012 | 649 | private: |
| wim | 26:bd897a001012 | 650 | virtual void _setEnable(bool value); |
| wim | 26:bd897a001012 | 651 | virtual void _setRS(bool value); |
| wim | 26:bd897a001012 | 652 | virtual void _setBL(bool value); |
| wim | 26:bd897a001012 | 653 | virtual void _setData(int value); |
| wim | 26:bd897a001012 | 654 | virtual void _writeByte(int value); |
| wim | 26:bd897a001012 | 655 | |
| wim | 26:bd897a001012 | 656 | //I2C bus |
| wim | 26:bd897a001012 | 657 | I2C *_i2c; |
| wim | 26:bd897a001012 | 658 | char _slaveAddress; |
| wim | 26:bd897a001012 | 659 | |
| wim | 26:bd897a001012 | 660 | // Internal bus mirror value for serial bus only |
| wim | 26:bd897a001012 | 661 | char _lcd_bus; |
| wim | 26:bd897a001012 | 662 | }; |
| wim | 26:bd897a001012 | 663 | |
| wim | 26:bd897a001012 | 664 | //---------- End TextLCD_I2C_N ------------ |
| wim | 26:bd897a001012 | 665 | |
| wim | 26:bd897a001012 | 666 | |
| simon | 1:ac48b187213c | 667 | #endif |