vmh
Dependencies: mbed
Diff: TextLCD/TextLCD.h
- Revision:
- 0:4562b55bbb43
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TextLCD/TextLCD.h Mon Dec 11 08:43:44 2017 +0000 @@ -0,0 +1,1283 @@ +/* mbed TextLCD Library, for a 4-bit LCD based on HD44780 + * Copyright (c) 2007-2010, sford, http://mbed.org + * 2013, v01: WH, Added LCD types, fixed LCD address issues, added Cursor and UDCs + * 2013, v02: WH, Added I2C and SPI bus interfaces + * 2013, v03: WH, Added support for LCD40x4 which uses 2 controllers + * 2013, v04: WH, Added support for Display On/Off, improved 4bit bootprocess + * 2013, v05: WH, Added support for 8x2B, added some UDCs + * 2013, v06: WH, Added support for devices that use internal DC/DC converters + * 2013, v07: WH, Added support for backlight and include portdefinitions for LCD2004 Module from DFROBOT + * 2014, v08: WH, Refactored in Base and Derived Classes to deal with mbed lib change regarding 'NC' defined DigitalOut pins + * 2014, v09: WH/EO, Added Class for Native SPI controllers such as ST7032 + * 2014, v10: WH, Added Class for Native I2C controllers such as ST7032i, Added support for MCP23008 I2C portexpander, Added support for Adafruit module + * 2014, v11: WH, Added support for native I2C controllers such as PCF21XX, Improved the _initCtrl() method to deal with differences between all supported controllers + * 2014, v12: WH, Added support for native I2C controller PCF2119 and native I2C/SPI controllers SSD1803, ST7036, added setContrast method (by JH1PJL) for supported devices (eg ST7032i) + * 2014, v13: WH, Added support for controllers US2066/SSD1311 (OLED), added setUDCBlink method for supported devices (eg SSD1803), fixed issue in setPower() + *@Todo Add AC780S/KS0066i + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef MBED_TEXTLCD_H +#define MBED_TEXTLCD_H + +#include "mbed.h" + +/** A TextLCD interface for driving 4-bit HD44780-based LCDs + * + * Currently supports 8x1, 8x2, 12x3, 12x4, 16x1, 16x2, 16x3, 16x4, 20x2, 20x4, 24x1, 24x2, 24x4, 40x2 and 40x4 panels + * Interface options include direct mbed pins, I2C portexpander (PCF8474/PCF8574A or MCP23008) or SPI bus shiftregister (74595). + * Supports some controllers with native I2C or SP interface. Supports some controllers that provide internal DC/DC converters for VLCD or VLED. + * + * @code + * #include "mbed.h" + * #include "TextLCD.h" + * + * // I2C Communication + * I2C i2c_lcd(p28,p27); // SDA, SCL + * + * // SPI Communication + * SPI spi_lcd(p5, NC, p7); // MOSI, MISO, SCLK + * + * //TextLCD lcd(p15, p16, p17, p18, p19, p20); // RS, E, D4-D7, LCDType=LCD16x2, BL=NC, E2=NC, LCDTCtrl=HD44780 + * //TextLCD_SPI lcd(&spi_lcd, p8, TextLCD::LCD40x4); // SPI bus, 74595 expander, CS pin, LCD Type + * TextLCD_I2C lcd(&i2c_lcd, 0x42, TextLCD::LCD20x4); // I2C bus, PCF8574 Slaveaddress, LCD Type + * //TextLCD_I2C lcd(&i2c_lcd, 0x42, TextLCD::LCD16x2, TextLCD::WS0010); // I2C bus, PCF8574 Slaveaddress, LCD Type, Device Type + * //TextLCD_SPI_N lcd(&spi_lcd, p8, p9); // SPI bus, CS pin, RS pin, LCDType=LCD16x2, BL=NC, LCDTCtrl=ST7032_3V3 + * //TextLCD_I2C_N lcd(&i2c_lcd, ST7032_SA, TextLCD::LCD16x2, NC, TextLCD::ST7032_3V3); // I2C bus, Slaveaddress, LCD Type, BL=NC, LCDTCtrl=ST7032_3V3 + * + * int main() { + * lcd.printf("Hello World!\n"); + * } + * @endcode + */ + + +//Pin Defines for I2C PCF8574/PCF8574A or MCP23008 and SPI 74595 bus expander interfaces +//LCD and serial portexpanders should be wired accordingly +// +//Select Hardware module (one option only) +#define DEFAULT 0 +#define ADAFRUIT 0 +#define DFROBOT 1 + +#if (DEFAULT==1) +//Definitions for default (WH) mapping between serial port expander pins and LCD controller +//This hardware supports the I2C bus expander (PCF8574/PCF8574A or MCP23008) and SPI bus expander (74595) interfaces +//See https://mbed.org/cookbook/Text-LCD-Enhanced +// +//Note: LCD RW pin must be connected to GND +// E2 is used for LCD40x4 (second controller) +// BL may be used to control backlight +#define D_LCD_PIN_D4 0 +#define D_LCD_PIN_D5 1 +#define D_LCD_PIN_D6 2 +#define D_LCD_PIN_D7 3 +#define D_LCD_PIN_RS 4 +#define D_LCD_PIN_E 5 +#define D_LCD_PIN_E2 6 +#define D_LCD_PIN_BL 7 + +#define D_LCD_PIN_RW D_LCD_PIN_E2 + +//Select I2C Portexpander type (one option only) +#define PCF8574 1 +#define MCP23008 0 +#endif + +#if (ADAFRUIT==1) +//Definitions for Adafruit i2cspilcdbackpack mapping between serial port expander pins and LCD controller +//This hardware supports both an I2C expander (MCP23008) and an SPI expander (74595) selectable by a jumper. +//See http://www.ladyada.net/products/i2cspilcdbackpack +// +//Note: LCD RW pin must be kept LOW +// E2 is not available on this hardware and so it does not support LCD40x4 (second controller) +// BL is used to control backlight +#define D_LCD_PIN_0 0 +#define D_LCD_PIN_RS 1 +#define D_LCD_PIN_E 2 +#define D_LCD_PIN_D4 3 +#define D_LCD_PIN_D5 4 +#define D_LCD_PIN_D6 5 +#define D_LCD_PIN_D7 6 +#define D_LCD_PIN_BL 7 + +#define D_LCD_PIN_E2 D_LCD_PIN_0 + +//Force I2C portexpander type +#define PCF8574 0 +#define MCP23008 1 +#endif + +#if (DFROBOT==1) +//Definitions for DFROBOT LCD2004 Module mapping between serial port expander pins and LCD controller +//This hardware uses PCF8574 and is different from earlier/different Arduino I2C LCD displays +//See http://arduino-info.wikispaces.com/LCD-Blue-I2C +// +//Note: LCD RW pin must be kept LOW +// E2 is not available on default Arduino hardware and so it does not support LCD40x4 (second controller) +// BL is used to control backlight, reverse logic: Low turns on Backlight. This is handled in setBacklight() +#define D_LCD_PIN_RS 0 +#define D_LCD_PIN_RW 1 +#define D_LCD_PIN_E 2 +#define D_LCD_PIN_BL 3 +#define D_LCD_PIN_D4 4 +#define D_LCD_PIN_D5 5 +#define D_LCD_PIN_D6 6 +#define D_LCD_PIN_D7 7 + +#define D_LCD_PIN_E2 D_LCD_PIN_RW + +//Force I2C portexpander type +#define PCF8574 1 +#define MCP23008 0 +#endif + +//Bitpattern Defines for I2C PCF8574/PCF8574A, MCP23008 and SPI 74595 Bus expanders +// +#define D_LCD_D4 (1<<D_LCD_PIN_D4) +#define D_LCD_D5 (1<<D_LCD_PIN_D5) +#define D_LCD_D6 (1<<D_LCD_PIN_D6) +#define D_LCD_D7 (1<<D_LCD_PIN_D7) +#define D_LCD_RS (1<<D_LCD_PIN_RS) +#define D_LCD_E (1<<D_LCD_PIN_E) +#define D_LCD_E2 (1<<D_LCD_PIN_E2) +#define D_LCD_BL (1<<D_LCD_PIN_BL) +//#define D_LCD_RW (1<<D_LCD_PIN_RW) + +#define D_LCD_BUS_MSK (D_LCD_D4 | D_LCD_D5 | D_LCD_D6 | D_LCD_D7) +#define D_LCD_BUS_DEF 0x00 + +/* PCF8574/PCF8574A I2C portexpander slave address */ +#define PCF8574_SA0 0x40 +#define PCF8574_SA1 0x42 +#define PCF8574_SA2 0x44 +#define PCF8574_SA3 0x46 +#define PCF8574_SA4 0x48 +#define PCF8574_SA5 0x4A +#define PCF8574_SA6 0x4C +#define PCF8574_SA7 0x4E + +#define PCF8574A_SA0 0x70 +#define PCF8574A_SA1 0x72 +#define PCF8574A_SA2 0x74 +#define PCF8574A_SA3 0x76 +#define PCF8574A_SA4 0x78 +#define PCF8574A_SA5 0x7A +#define PCF8574A_SA6 0x7C +#define PCF8574A_SA7 0x7E + +/* MCP23008 I2C portexpander slave address */ +#define MCP23008_SA0 0x40 +#define MCP23008_SA1 0x42 +#define MCP23008_SA2 0x44 +#define MCP23008_SA3 0x46 +#define MCP23008_SA4 0x48 +#define MCP23008_SA5 0x4A +#define MCP23008_SA6 0x4C +#define MCP23008_SA7 0x4E + +/* MCP23008 I2C portexpander internal registers */ +#define IODIR 0x00 +#define IPOL 0x01 +#define GPINTEN 0x02 +#define DEFVAL 0x03 +#define INTCON 0x04 +#define IOCON 0x05 +#define GPPU 0x06 +#define INTF 0x07 +#define INTCAP 0x08 +#define GPIO 0x09 +#define OLAT 0x0A + + +/* ST7032i I2C slave address */ +#define ST7032_SA 0x7C + +/* ST7036i I2C slave address */ +#define ST7036_SA0 0x78 +#define ST7036_SA1 0x7A +#define ST7036_SA2 0x7C +#define ST7036_SA3 0x7E + +/* PCF21XX I2C slave address */ +#define PCF21XX_SA0 0x74 +#define PCF21XX_SA1 0x76 + +/* AIP31068 I2C slave address */ +#define AIP31068_SA 0x7C + +/* SSD1803 I2C slave address */ +#define SSD1803_SA0 0x78 +#define SSD1803_SA1 0x7A + +/* US2066/SSD1311 I2C slave address */ +#define US2066_SA0 0x78 +#define US2066_SA1 0x7A + +/* AC780 I2C slave address */ +#define AC780_SA0 0x78 +#define AC780_SA1 0x7A +#define AC780_SA2 0x7C +#define AC780_SA3 0x7E + +//Some native I2C controllers dont support ACK. Set define to '0' to allow code to proceed even without ACK +//#define LCD_I2C_ACK 0 +#define LCD_I2C_ACK 1 + +/* LCD Type information on Rows, Columns and Variant. This information is encoded in + * an int and used for the LCDType enumerators in order to simplify code maintenance */ +// Columns encoded in b7..b0 +#define LCD_T_COL_MSK 0x000000FF +#define LCD_T_C6 0x00000006 +#define LCD_T_C8 0x00000008 +#define LCD_T_C10 0x0000000A +#define LCD_T_C12 0x0000000C +#define LCD_T_C16 0x00000010 +#define LCD_T_C20 0x00000014 +#define LCD_T_C24 0x00000018 +#define LCD_T_C32 0x00000020 +#define LCD_T_C40 0x00000028 + +// Rows encoded in b15..b8 +#define LCD_T_ROW_MSK 0x0000FF00 +#define LCD_T_R1 0x00000100 +#define LCD_T_R2 0x00000200 +#define LCD_T_R3 0x00000300 +#define LCD_T_R4 0x00000400 + +// Addressing mode encoded in b19..b16 +#define LCD_T_ADR_MSK 0x000F0000 +#define LCD_T_A 0x00000000 /*Mode A Default 1, 2 or 4 line display */ +#define LCD_T_B 0x00010000 /*Mode B, Alternate 8x2 (actually 16x1 display) */ +#define LCD_T_C 0x00020000 /*Mode C, Alternate 16x1 (actually 8x2 display) */ +#define LCD_T_D 0x00030000 /*Mode D, Alternate 3 or 4 line display (12x4, 20x4, 24x4) */ +#define LCD_T_D1 0x00040000 /*Mode D1, Alternate 3 out of 4 line display (12x3, 20x3, 24x3) */ +#define LCD_T_E 0x00050000 /*Mode E, 40x4 display (actually two 40x2) */ +#define LCD_T_F 0x00060000 /*Mode F, 16x3 display (actually 24x2) */ +#define LCD_T_G 0x00070000 /*Mode G, 16x3 display */ + +/* LCD Ctrl information on interface support and features. This information is encoded in + * an int and used for the LCDCtrl enumerators in order to simplify code maintenance */ +// Interface encoded in b31..b24 +#define LCD_C_BUS_MSK 0xFF000000 +#define LCD_C_PAR 0x01000000 /*Parallel 4 or 8 bit data, E pin, RS pin, RW=GND */ +#define LCD_C_SPI3_9 0x02000000 /*SPI 3 line (MOSI, SCL, CS pins), 9 bits (RS + 8 Data) */ +#define LCD_C_SPI3_10 0x04000000 /*SPI 3 line (MOSI, SCL, CS pins), 10 bits (RS, RW + 8 Data) */ +#define LCD_C_SPI3_16 0x08000000 /*SPI 3 line (MOSI, SCL, CS pins), 16 bits (RS, RW + 8 Data) */ +#define LCD_C_SPI3_24 0x10000000 /*SPI 3 line (MOSI, SCL, CS pins), 24 bits (RS, RW + 8 Data) */ +#define LCD_C_SPI4 0x20000000 /*SPI 4 line (MOSI, SCL, CS, RS pin), RS pin + 8 Data */ +#define LCD_C_I2C 0x40000000 /*I2C (SDA, SCL pin), 8 control bits (Co, RS, RW) + 8 Data */ +// Features encoded in b23..b16 +#define LCD_C_FTR_MSK 0x00FF0000 +#define LCD_C_BST 0x00010000 /*Booster */ +#define LCD_C_CTR 0x00020000 /*Contrast Control */ +#define LCD_C_ICN 0x00040000 /*Icons */ +#define LCD_C_PDN 0x00080000 /*Power Down */ + + +// Contrast setting, 6 significant bits (only supported for controllers with extended features) +// Voltage Multiplier setting, 2 or 3 significant bits (only supported for controllers with extended features) +#define LCD_DEF_CONTRAST 0x20 + +//ST7032 EastRising ERC1602FS-4 display +//Contrast setting 6 significant bits +//Voltage Multiplier setting 3 significant bits +#define LCD_ST7032_CONTRAST 0x18 +#define LCD_ST7032_RAB 0x04 + +//ST7036 EA DOGM1603 display +//Contrast setting 6 significant bits +//Voltage Multiplier setting 3 significant bits +#define LCD_ST7036_CONTRAST 0x28 +#define LCD_ST7036_RAB 0x04 + +//SSD1803 EA DOGM204 display +//Contrast setting 6 significant bits +//Voltage Multiplier setting 3 significant bits +#define LCD_SSD1_CONTRAST 0x28 +#define LCD_SSD1_RAB 0x06 + +//US2066/SSD1311 EastRising ER-OLEDM2002-4 display +//Contrast setting 8 significant bits, use 6 for compatibility +#define LCD_US20_CONTRAST 0x3F +//#define LCD_US20_CONTRAST 0x1F + +//PCF2113, PCF2119 display +//Contrast setting 6 significant bits +//Voltage Multiplier setting 2 significant bits +#define LCD_PCF2_CONTRAST 0x20 +#define LCD_PCF2_S12 0x02 + +//PT6314 VFD display +//Contrast setting 2 significant bits +#define LCD_PT63_CONTRAST 0x00 + +/** Some sample User Defined Chars 5x7 dots */ +//extern const char udc_ae[]; //æ +//extern const char udc_0e[]; //ø +//extern const char udc_ao[]; //å +//extern const char udc_AE[]; //Æ +//extern const char udc_0E[]; //Ø +//extern const char udc_Ao[]; //Å +//extern const char udc_PO[]; //Padlock Open +//extern const char udc_PC[]; //Padlock Closed + +//extern const char udc_alpha[]; //alpha +//extern const char udc_ohm[]; //ohm +//extern const char udc_sigma[]; //sigma +//extern const char udc_pi[]; //pi +//extern const char udc_root[]; //root + + +extern const char udc_0[]; // |> +extern const char udc_1[]; // <| +extern const char udc_2[]; // | +extern const char udc_3[]; // || +extern const char udc_4[]; // ||| +extern const char udc_5[]; // = +extern const char udc_6[]; // checkerboard +extern const char udc_7[]; // \ + +extern const char udc_degr[]; // Degree symbol + +extern const char udc_TM_T[]; // Trademark T +extern const char udc_TM_M[]; // Trademark M + +//extern const char udc_Bat_Hi[]; // Battery Full +//extern const char udc_Bat_Ha[]; // Battery Half +//extern const char udc_Bat_Lo[]; // Battery Low +extern const char udc_Bat_Hi[]; // Battery Full +extern const char udc_Bat_Ha[]; // Battery Half +extern const char udc_Bat_Lo[]; // Battery Low +extern const char udc_AC[]; // AC Power + +//extern const char udc_smiley[]; // Smiley +//extern const char udc_droopy[]; // Droopey +//extern const char udc_note[]; // Note + +//extern const char udc_bar_1[]; // Bar 1 +//extern const char udc_bar_2[]; // Bar 11 +//extern const char udc_bar_3[]; // Bar 111 +//extern const char udc_bar_4[]; // Bar 1111 +//extern const char udc_bar_5[]; // Bar 11111 + +//extern const char udc_ch_1[]; // Hor bars 4 +//extern const char udc_ch_2[]; // Hor bars 4 (inverted) +//extern const char udc_ch_3[]; // Ver bars 3 +//extern const char udc_ch_4[]; // Ver bars 3 (inverted) +//extern const char udc_ch_yr[]; // Year (kana) +//extern const char udc_ch_mo[]; // Month (kana) +//extern const char udc_ch_dy[]; // Day (kana) +//extern const char udc_ch_mi[]; // minute (kana) +extern const char udc_None[]; +extern const char udc_All[]; + +/** A TextLCD interface for driving 4-bit HD44780-based LCDs + * + * @brief Currently supports 8x1, 8x2, 12x2, 12x3, 12x4, 16x1, 16x2, 16x3, 16x4, 20x2, 20x4, 24x2, 24x4, 40x2 and 40x4 panels + * Interface options include direct mbed pins, I2C portexpander (PCF8474/PCF8574A or MCP23008) or SPI bus shiftregister (74595) and some native I2C or SPI devices + * + */ +class TextLCD_Base : public Stream { +public: + + /** LCD panel format */ + // The commented out types exist but have not yet been tested with the library + enum LCDType { +// LCD6x1 = (LCD_T_A | LCD_T_C6 | LCD_T_R1), /**< 6x1 LCD panel */ +// LCD6x2 = (LCD_T_A | LCD_T_C6 | LCD_T_R2), /**< 6x2 LCD panel */ + LCD8x1 = (LCD_T_A | LCD_T_C8 | LCD_T_R1), /**< 8x1 LCD panel */ + LCD8x2 = (LCD_T_A | LCD_T_C8 | LCD_T_R2), /**< 8x2 LCD panel */ + LCD8x2B = (LCD_T_D | LCD_T_C8 | LCD_T_R2), /**< 8x2 LCD panel (actually 16x1) */ +// LCD12x1 = (LCD_T_A | LCD_T_C12 | LCD_T_R1), /**< 12x1 LCD panel */ + LCD12x2 = (LCD_T_A | LCD_T_C12 | LCD_T_R2), /**< 12x2 LCD panel */ + LCD12x3D = (LCD_T_D | LCD_T_C12 | LCD_T_R3), /**< 12x3 LCD panel, special mode PCF21XX */ + LCD12x3D1 = (LCD_T_D1 | LCD_T_C12 | LCD_T_R3), /**< 12x3 LCD panel, special mode PCF21XX */ +// LCD12x3G = (LCD_T_G | LCD_T_C12 | LCD_T_R3), /**< 12x3 LCD panel, special mode ST7036 */ + LCD12x4 = (LCD_T_A | LCD_T_C12 | LCD_T_R4), /**< 12x4 LCD panel */ + LCD12x4D = (LCD_T_B | LCD_T_C12 | LCD_T_R4), /**< 12x4 LCD panel, special mode PCF21XX */ + LCD16x1 = (LCD_T_A | LCD_T_C16 | LCD_T_R1), /**< 16x1 LCD panel */ + LCD16x1C = (LCD_T_C | LCD_T_C16 | LCD_T_R1), /**< 16x1 LCD panel (actually 8x2) */ + LCD16x2 = (LCD_T_A | LCD_T_C16 | LCD_T_R2), /**< 16x2 LCD panel (default) */ +// LCD16x2B = (LCD_T_B | LCD_T_C16 | LCD_T_R2), /**< 16x2 LCD panel, alternate addressing, wrong.. */ + LCD16x3D = (LCD_T_D | LCD_T_C16 | LCD_T_R3), /**< 16x3 LCD panel, special mode SSD1803 */ +// LCD16x3D1 = (LCD_T_D1 | LCD_T_C16 | LCD_T_R3), /**< 16x3 LCD panel, special mode SSD1803 */ + LCD16x3F = (LCD_T_F | LCD_T_C16 | LCD_T_R3), /**< 16x3 LCD panel (actually 24x2) */ + LCD16x3G = (LCD_T_G | LCD_T_C16 | LCD_T_R3), /**< 16x3 LCD panel, special mode ST7036 */ + LCD16x4 = (LCD_T_A | LCD_T_C16 | LCD_T_R4), /**< 16x4 LCD panel */ +// LCD16x4D = (LCD_T_D | LCD_T_C16 | LCD_T_R4), /**< 16x4 LCD panel, special mode SSD1803 */ +// LCD20x1 = (LCD_T_A | LCD_T_C20 | LCD_T_R1), /**< 20x1 LCD panel */ + LCD20x2 = (LCD_T_A | LCD_T_C20 | LCD_T_R2), /**< 20x2 LCD panel */ +// LCD20x3 = (LCD_T_A | LCD_T_C20 | LCD_T_R3), /**< 20x3 LCD panel */ +// LCD20x3D = (LCD_T_D | LCD_T_C20 | LCD_T_R3), /**< 20x3 LCD panel, special mode SSD1803 */ +// LCD20x3D1 = (LCD_T_D1 | LCD_T_C20 | LCD_T_R3), /**< 20x3 LCD panel, special mode SSD1803 */ + LCD20x4 = (LCD_T_A | LCD_T_C20 | LCD_T_R4), /**< 20x4 LCD panel */ + LCD20x4D = (LCD_T_D | LCD_T_C20 | LCD_T_R4), /**< 20x4 LCD panel, special mode SSD1803 */ + LCD24x1 = (LCD_T_A | LCD_T_C24 | LCD_T_R1), /**< 24x1 LCD panel */ + LCD24x2 = (LCD_T_A | LCD_T_C24 | LCD_T_R2), /**< 24x2 LCD panel */ +// LCD24x3D = (LCD_T_D | LCD_T_C24 | LCD_T_R3), /**< 24x3 LCD panel */ +// LCD24x3D1 = (LCD_T_D | LCD_T_C24 | LCD_T_R3), /**< 24x3 LCD panel */ + LCD24x4D = (LCD_T_D | LCD_T_C24 | LCD_T_R4), /**< 24x4 LCD panel, special mode KS0078 */ +// LCD32x1 = (LCD_T_A | LCD_T_C32 | LCD_T_R1), /**< 32x1 LCD panel */ +// LCD32x1C = (LCD_T_C | LCD_T_C32 | LCD_T_R1), /**< 32x1 LCD panel (actually 16x2) */ +// LCD32x2 = (LCD_T_A | LCD_T_C32 | LCD_T_R2), /**< 32x2 LCD panel */ +// LCD32x4 = (LCD_T_A | LCD_T_C32 | LCD_T_R4), /**< 32x4 LCD panel */ +// LCD40x1 = (LCD_T_A | LCD_T_C40 | LCD_T_R1), /**< 40x1 LCD panel */ +// LCD40x1C = (LCD_T_C | LCD_T_C40 | LCD_T_R1), /**< 40x1 LCD panel (actually 20x2) */ + LCD40x2 = (LCD_T_A | LCD_T_C40 | LCD_T_R2), /**< 40x2 LCD panel */ + LCD40x4 = (LCD_T_E | LCD_T_C40 | LCD_T_R4) /**< 40x4 LCD panel, Two controller version */ + }; + + + /** LCD Controller Device */ + enum LCDCtrl { + HD44780 = 0 | LCD_C_PAR, /**< HD44780 or full equivalent (default) */ + WS0010 = 1 | (LCD_C_PAR | LCD_C_SPI3_10 | LCD_C_BST), /**< WS0010 OLED Controller, 4/8 bit, SPI3 */ + ST7036_3V3 = 2 | (LCD_C_PAR | LCD_C_SPI4 | LCD_C_I2C | LCD_C_BST | LCD_C_CTR), /**< ST7036 3V3 with Booster, 4/8 bit, SPI4, I2C */ + ST7036_5V = 3 | (LCD_C_PAR | LCD_C_SPI4 | LCD_C_I2C | LCD_C_BST | LCD_C_CTR), /**< ST7036 5V no Booster, 4/8 bit, SPI4, I2C */ + ST7032_3V3 = 4 | (LCD_C_PAR | LCD_C_SPI4 | LCD_C_I2C | LCD_C_BST | LCD_C_CTR), /**< ST7032 3V3 with Booster, 4/8 bit, SPI4, I2C */ + ST7032_5V = 5 | (LCD_C_PAR | LCD_C_SPI4 | LCD_C_I2C | LCD_C_CTR), /**< ST7032 5V no Booster, 4/8 bit, SPI4, I2C */ + KS0078 = 6 | (LCD_C_PAR | LCD_C_SPI3_24), /**< KS0078 24x4 support, 4/8 bit, SPI3 */ + PCF2113_3V3 = 7 | (LCD_C_PAR | LCD_C_I2C | LCD_C_BST | LCD_C_CTR), /**< PCF2113 3V3 with Booster, 4/8 bit, I2C */ + PCF2116_3V3 = 8 | (LCD_C_PAR | LCD_C_I2C | LCD_C_BST), /**< PCF2116 3V3 with Booster, 4/8 bit, I2C */ + PCF2116_5V = 9 | (LCD_C_PAR | LCD_C_I2C), /**< PCF2116 5V no Booster, 4/8 bit, I2C */ + PCF2119_3V3 = 10 | (LCD_C_PAR | LCD_C_I2C | LCD_C_BST | LCD_C_CTR), /**< PCF2119 3V3 with Booster, 4/8 bit, I2C */ +// PCF2119_5V = 11 | (LCD_C_PAR | LCD_C_I2C), /**< PCF2119 5V no Booster, 4/8 bit, I2C */ + AIP31068 = 12 | (LCD_C_SPI3_9 | LCD_C_I2C | LCD_C_BST), /**< AIP31068 I2C, SPI3 */ + SSD1803_3V3 = 13 | (LCD_C_PAR | LCD_C_SPI3_24 | LCD_C_I2C | LCD_C_BST | LCD_C_CTR | LCD_C_PDN), /**< SSD1803 3V3 with Booster, 4/8 bit, I2C, SPI3 */ +// SSD1803_5V = 14 | (LCD_C_PAR | LCD_C_SPI3_24 | LCD_C_I2C | LCD_C_BST | LCD_C_CTR | LCD_C_PDN), /**< SSD1803 3V3 with Booster, 4/8 bit, I2C, SPI3 */ + US2066_3V3 = 15 | (LCD_C_PAR | LCD_C_SPI3_24 | LCD_C_I2C | LCD_C_CTR | LCD_C_PDN), /**< US2066/SSD1311 3V3, 4/8 bit, I2C, SPI3 */ +// PT6314 = 16 | (LCD_C_PAR | LCD_C_SPI3_16 | LCD_C_CTR | LCD_C_PDN), /**< PT6314 VFD, 4/8 bit, SPI3 */ +// AC780 = 17 | (LCD_C_PAR | LCD_C_SPI4 | LCD_C_I2C | LCD_C_PDN), /**< AC780 4/8 bit, SPI, I2C */ +// KS0066 = 18 | (LCD_C_PAR | LCD_C_SPI4 | LCD_C_I2C | LCD_C_PDN) /**< KS0066i == AC780 4/8 bit, SPI, I2C */ + }; + + + /** LCD Cursor control */ + enum LCDCursor { + CurOff_BlkOff = 0x00, /**< Cursor Off, Blinking Char Off */ + CurOn_BlkOff = 0x02, /**< Cursor On, Blinking Char Off */ + CurOff_BlkOn = 0x01, /**< Cursor Off, Blinking Char On */ + CurOn_BlkOn = 0x03 /**< Cursor On, Blinking Char On */ + }; + + /** LCD Display control */ + enum LCDMode { + DispOff = 0x00, /**< Display Off */ + DispOn = 0x04 /**< Display On */ + }; + + /** LCD Backlight control */ + enum LCDBacklight { + LightOff, /**< Backlight Off */ + LightOn /**< Backlight On */ + }; + + /** LCD Blink control (UDC), supported for some Controllers */ + enum LCDBlink { + BlinkOff, /**< Blink Off */ + BlinkOn /**< Blink On */ + }; + + /** LCD Orientation control, supported for some Controllers */ + enum LCDOrient { + Top, /**< Top view */ + Bottom /**< Upside down view */ + }; + + +#if DOXYGEN_ONLY + /** Write a character to the LCD + * + * @param c The character to write to the display + */ + int putc(int c); + + /** Write a formated string to the LCD + * + * @param format A printf-style format string, followed by the + * variables to use in formating the string. + */ + int printf(const char* format, ...); +#endif + + /** Locate cursor to a screen column and row + * + * @param column The horizontal position from the left, indexed from 0 + * @param row The vertical position from the top, indexed from 0 + */ + void locate(int column, int row); + + /** Return the memoryaddress of screen column and row location + * + * @param column The horizontal position from the left, indexed from 0 + * @param row The vertical position from the top, indexed from 0 + * @param return The memoryaddress of screen column and row location + */ + int getAddress(int column, int row); + + /** Set the memoryaddress of screen column and row location + * + * @param column The horizontal position from the left, indexed from 0 + * @param row The vertical position from the top, indexed from 0 + */ + void setAddress(int column, int row); + + /** Clear the screen and locate to 0,0 + */ + void cls(); + + /** Return the number of rows + * + * @param return The number of rows + */ + int rows(); + + /** Return the number of columns + * + * @param return The number of columns + */ + int columns(); + + /** Set the Cursormode + * + * @param cursorMode The Cursor mode (CurOff_BlkOff, CurOn_BlkOff, CurOff_BlkOn, CurOn_BlkOn) + */ + void setCursor(LCDCursor cursorMode); + + /** Set the Displaymode + * + * @param displayMode The Display mode (DispOff, DispOn) + */ + void setMode(LCDMode displayMode); + + /** Set the Backlight mode + * + * @param backlightMode The Backlight mode (LightOff, LightOn) + */ + void setBacklight(LCDBacklight backlightMode); + + /** Set User Defined Characters (UDC) + * + * @param unsigned char c The Index of the UDC (0..7) + * @param char *udc_data The bitpatterns for the UDC (8 bytes of 5 significant bits) + */ + void setUDC(unsigned char c, char *udc_data); + + /** Set UDC Blink + * setUDCBlink method is supported by some compatible devices (eg SSD1803) + * + * @param blinkMode The Blink mode (BlinkOff, BlinkOn) + */ + void setUDCBlink(LCDBlink blinkMode); + + /** Set Contrast + * setContrast method is supported by some compatible devices (eg ST7032i) that have onboard LCD voltage generation + * Code imported from fork by JH1PJL + * + * @param unsigned char c contrast data (6 significant bits, valid range 0..63, Value 0 will disable the Vgen) + * @return none + */ + void setContrast(unsigned char c = LCD_DEF_CONTRAST); + + /** Set Power + * setPower method is supported by some compatible devices (eg SSD1803) that have power down modes + * + * @param bool powerOn Power on/off + * @return none + */ + void setPower(bool powerOn = true); + + /** Set Orient + * setOrient method is supported by some compatible devices (eg SSD1803, US2066) that have top/bottom view modes + * + * @param LCDOrient orient Orientation + * @return none + */ + void setOrient(LCDOrient orient = Top); + + +//test +// void _initCtrl(); + +protected: + + /** LCD controller select, mainly used for LCD40x4 + */ + enum _LCDCtrl_Idx { + _LCDCtrl_0, /*< Primary */ + _LCDCtrl_1, /*< Secondary */ + }; + + /** Create a TextLCD_Base interface + * @brief Base class, can not be instantiated + * + * @param type Sets the panel size/addressing mode (default = LCD16x2) + * @param ctrl LCD controller (default = HD44780) + */ + TextLCD_Base(LCDType type = LCD16x2, LCDCtrl ctrl = HD44780); + + // Stream implementation functions + virtual int _putc(int value); + virtual int _getc(); + +/** Low level method for LCD controller + */ + void _init(); + +/** Low level initialisation method for LCD controller + */ + void _initCtrl(); + +/** Low level character address set method + */ + int _address(int column, int row); + +/** Low level cursor enable or disable method + */ + void _setCursor(LCDCursor show); + +/** Low level method to store user defined characters for current controller + */ + void _setUDC(unsigned char c, char *udc_data); + +/** Low level method to restore the cursortype and display mode for current controller + */ + void _setCursorAndDisplayMode(LCDMode displayMode, LCDCursor cursorType); + +/** Low level nibble write operation to LCD controller (serial or parallel) + */ + void _writeNibble(int value); + +/** Low level command byte write operation to LCD controller. + * Methods resets the RS bit and provides the required timing for the command. + */ + void _writeCommand(int command); + +/** Low level data byte write operation to LCD controller (serial or parallel). + * Methods sets the RS bit and provides the required timing for the data. + */ + void _writeData(int data); + +/** Pure Virtual Low level writes to LCD Bus (serial or parallel) + * Set the Enable pin. + */ + virtual void _setEnable(bool value) = 0; + +/** Pure Virtual Low level writes to LCD Bus (serial or parallel) + * Set the RS pin ( 0 = Command, 1 = Data). + */ + virtual void _setRS(bool value) = 0; + +/** Pure Virtual Low level writes to LCD Bus (serial or parallel) + * Set the BL pin (0 = Backlight Off, 1 = Backlight On). + */ + virtual void _setBL(bool value) = 0; + +/** Pure Virtual Low level writes to LCD Bus (serial or parallel) + * Set the databus value (4 bit). + */ + virtual void _setData(int value) = 0; + +/** Low level byte write operation to LCD controller (serial or parallel) + * Depending on the RS pin this byte will be interpreted as data or command + */ + virtual void _writeByte(int value); + +//Display type + LCDType _type; + int _nr_cols; + int _nr_rows; + int _addr_mode; + +//Display mode + LCDMode _currentMode; + +//Controller type + LCDCtrl _ctrl; + +//Controller select, mainly used for LCD40x4 + _LCDCtrl_Idx _ctrl_idx; + +// Cursor + int _column; + int _row; + LCDCursor _currentCursor; + +// Function mode saved to allow switch between Instruction sets after initialisation time +// Icon, Booster mode and contrast saved to allow contrast change at later time +// Only available for controllers with added features + int _function, _function_1, _function_x; + int _icon_power; + int _contrast; + +}; + +//--------- End TextLCD_Base ----------- + + + +//--------- Start TextLCD Bus ----------- + +/** Create a TextLCD interface for using regular mbed pins + * + */ +class TextLCD : public TextLCD_Base { +public: + /** Create a TextLCD interface for using regular mbed pins + * + * @param rs Instruction/data control line + * @param e Enable line (clock) + * @param d4-d7 Data lines for using as a 4-bit interface + * @param type Sets the panel size/addressing mode (default = LCD16x2) + * @param bl Backlight control line (optional, default = NC) + * @param e2 Enable2 line (clock for second controller, LCD40x4 only) + * @param ctrl LCD controller (default = HD44780) + */ + 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); + + /** Destruct a TextLCD interface for using regular mbed pins + * + * @param none + * @return none + */ + virtual ~TextLCD(); + +private: + +/** Implementation of pure Virtual Low level writes to LCD Bus (parallel) + * Set the Enable pin. + */ + virtual void _setEnable(bool value); + +/** Implementation of pure Virtual Low level writes to LCD Bus (parallel) + * Set the RS pin (0 = Command, 1 = Data). + */ + virtual void _setRS(bool value); + +/** Implementation of pure Virtual Low level writes to LCD Bus (parallel) + * Set the BL pin (0 = Backlight Off, 1 = Backlight On). + */ + virtual void _setBL(bool value); + +/** Implementation of pure Virtual Low level writes to LCD Bus (parallel) + * Set the databus value (4 bit). + */ + virtual void _setData(int value); + + +/** Regular mbed pins bus + */ + DigitalOut _rs, _e; + BusOut _d; + +/** Optional Hardware pins for the Backlight and LCD40x4 device + * Default PinName value is NC, must be used as pointer to avoid issues with mbed lib and DigitalOut pins + */ + DigitalOut *_bl, *_e2; +}; + + +//----------- End TextLCD --------------- + + +//--------- Start TextLCD_I2C ----------- + + +/** Create a TextLCD interface using an I2C PCF8574 (or PCF8574A) or MCP23008 portexpander + * + */ +class TextLCD_I2C : public TextLCD_Base { +public: + /** Create a TextLCD interface using an I2C PCF8574 (or PCF8574A) or MCP23008 portexpander + * + * @param i2c I2C Bus + * @param deviceAddress I2C slave address (PCF8574 or PCF8574A, default = PCF8574_SA0 = 0x40) + * @param type Sets the panel size/addressing mode (default = LCD16x2) + * @param ctrl LCD controller (default = HD44780) + */ + TextLCD_I2C(I2C *i2c, char deviceAddress = PCF8574_SA0, LCDType type = LCD16x2, LCDCtrl ctrl = HD44780); + +private: + +/** Implementation of pure Virtual Low level writes to LCD Bus (serial expander) + * Set the Enable pin. + */ + virtual void _setEnable(bool value); + +/** Implementation of pure Virtual Low level writes to LCD Bus (serial expander) + * Set the RS pin (0 = Command, 1 = Data). + */ + virtual void _setRS(bool value); + +/** Implementation of pure Virtual Low level writes to LCD Bus (serial expander) + * Set the BL pin (0 = Backlight Off, 1 = Backlight On). + */ + virtual void _setBL(bool value); + +/** Implementation of pure Virtual Low level writes to LCD Bus (serial expander) + * Set the databus value (4 bit). + */ + virtual void _setData(int value); + +/** Write data to MCP23008 I2C portexpander + * @param reg register to write + * @param value data to write + * @return none + * + */ + void _write_register (int reg, int value); + +//I2C bus + I2C *_i2c; + char _slaveAddress; + +// Internal bus mirror value for serial bus only + char _lcd_bus; +}; + +//---------- End TextLCD_I2C ------------ + + +//--------- Start TextLCD_SPI ----------- + +/** Create a TextLCD interface using an SPI 74595 portexpander + * + */ +class TextLCD_SPI : public TextLCD_Base { +public: + /** Create a TextLCD interface using an SPI 74595 portexpander + * + * @param spi SPI Bus + * @param cs chip select pin (active low) + * @param type Sets the panel size/addressing mode (default = LCD16x2) + * @param ctrl LCD controller (default = HD44780) + */ + TextLCD_SPI(SPI *spi, PinName cs, LCDType type = LCD16x2, LCDCtrl ctrl = HD44780); + +private: + +/** Implementation of pure Virtual Low level writes to LCD Bus (serial expander) + * Set the Enable pin. + */ + virtual void _setEnable(bool value); + +/** Implementation of pure Virtual Low level writes to LCD Bus (serial expander) + * Set the RS pin (0 = Command, 1 = Data). + */ + virtual void _setRS(bool value); + +/** Implementation of pure Virtual Low level writes to LCD Bus (serial expander) + * Set the BL pin (0 = Backlight Off, 1 = Backlight On). + */ + virtual void _setBL(bool value); + +/** Implementation of pure Virtual Low level writes to LCD Bus (serial expander) + * Set the databus value (4 bit). + */ + virtual void _setData(int value); + +/** Implementation of Low level writes to LCD Bus (serial expander) + * Set the CS pin (0 = select, 1 = deselect). + */ + virtual void _setCS(bool value); + +///** Low level writes to LCD serial bus only (serial expander) +// */ +// void _writeBus(); + +// SPI bus + SPI *_spi; + DigitalOut _cs; + +// Internal bus mirror value for serial bus only + char _lcd_bus; +}; + +//---------- End TextLCD_SPI ------------ + + +//--------- Start TextLCD_SPI_N ----------- + +/** Create a TextLCD interface using a controller with native SPI4 interface + * + */ +class TextLCD_SPI_N : public TextLCD_Base { +public: + /** Create a TextLCD interface using a controller with native SPI4 interface + * + * @param spi SPI Bus + * @param cs chip select pin (active low) + * @param rs Instruction/data control line + * @param type Sets the panel size/addressing mode (default = LCD16x2) + * @param bl Backlight control line (optional, default = NC) + * @param ctrl LCD controller (default = ST7032_3V3) + */ + TextLCD_SPI_N(SPI *spi, PinName cs, PinName rs, LCDType type = LCD16x2, PinName bl = NC, LCDCtrl ctrl = ST7032_3V3); + virtual ~TextLCD_SPI_N(void); + +private: + +/** Implementation of pure Virtual Low level writes to LCD Bus (serial native) + * Set the Enable pin. + */ + virtual void _setEnable(bool value); + +/** Implementation of pure Virtual Low level writes to LCD Bus (serial native) + * Set the RS pin (0 = Command, 1 = Data). + */ + virtual void _setRS(bool value); + +/** Implementation of pure Virtual Low level writes to LCD Bus (serial native) + * Set the BL pin (0 = Backlight Off, 1 = Backlight On). + */ + virtual void _setBL(bool value); + +/** Implementation of pure Virtual Low level writes to LCD Bus (serial native) + * Set the databus value (4 bit). + */ + virtual void _setData(int value); + +/** Low level writes to LCD serial bus only (serial native) + */ + virtual void _writeByte(int value); + +// SPI bus + SPI *_spi; + DigitalOut _cs; + DigitalOut _rs; + +//Backlight + DigitalOut *_bl; +}; + +//---------- End TextLCD_SPI_N ------------ + + +#if(1) +//Code checked out on logic analyser. Not yet tested on hardware.. + +//------- Start TextLCD_SPI_N_3_9 --------- + +/** Create a TextLCD interface using a controller with native SPI3 9 bits interface + * Note: current mbed libs only support SPI 9 bit mode for NXP platforms + * + */ +class TextLCD_SPI_N_3_9 : public TextLCD_Base { +public: + /** Create a TextLCD interface using a controller with native SPI3 9 bits interface + * Note: current mbed libs only support SPI 9 bit mode for NXP platforms + * + * @param spi SPI Bus + * @param cs chip select pin (active low) + * @param type Sets the panel size/addressing mode (default = LCD16x2) + * @param bl Backlight control line (optional, default = NC) + * @param ctrl LCD controller (default = AIP31068) + */ + TextLCD_SPI_N_3_9(SPI *spi, PinName cs, LCDType type = LCD16x2, PinName bl = NC, LCDCtrl ctrl = AIP31068); + virtual ~TextLCD_SPI_N_3_9(void); + +private: + +/** Implementation of pure Virtual Low level writes to LCD Bus (serial native) + * Set the Enable pin. + */ + virtual void _setEnable(bool value); + +/** Implementation of pure Virtual Low level writes to LCD Bus (serial native) + * Set the RS pin (0 = Command, 1 = Data). + */ + virtual void _setRS(bool value); + +/** Implementation of pure Virtual Low level writes to LCD Bus (serial native) + * Set the BL pin (0 = Backlight Off, 1 = Backlight On). + */ + virtual void _setBL(bool value); + +/** Implementation of pure Virtual Low level writes to LCD Bus (serial native) + * Set the databus value (4 bit). + */ + virtual void _setData(int value); + +/** Low level writes to LCD serial bus only (serial native) + */ + virtual void _writeByte(int value); + +// SPI bus + SPI *_spi; + DigitalOut _cs; + + +// controlbyte to select between data and command. Internal value for serial bus only + char _controlbyte; + +//Backlight + DigitalOut *_bl; +}; + +//-------- End TextLCD_SPI_N_3_9 ---------- +#endif + + +#if(1) +//------- Start TextLCD_SPI_N_3_10 --------- + +/** Create a TextLCD interface using a controller with native SPI3 10 bits interface + * Note: current mbed libs only support SPI 10 bit mode for NXP platforms + * + */ +class TextLCD_SPI_N_3_10 : public TextLCD_Base { +public: + /** Create a TextLCD interface using a controller with native SPI3 10 bits interface + * Note: current mbed libs only support SPI 10 bit mode for NXP platforms + * + * @param spi SPI Bus + * @param cs chip select pin (active low) + * @param type Sets the panel size/addressing mode (default = LCD16x2) + * @param bl Backlight control line (optional, default = NC) + * @param ctrl LCD controller (default = AIP31068) + */ + TextLCD_SPI_N_3_10(SPI *spi, PinName cs, LCDType type = LCD16x2, PinName bl = NC, LCDCtrl ctrl = AIP31068); + virtual ~TextLCD_SPI_N_3_10(void); + +private: + +/** Implementation of pure Virtual Low level writes to LCD Bus (serial native) + * Set the Enable pin. + */ + virtual void _setEnable(bool value); + +/** Implementation of pure Virtual Low level writes to LCD Bus (serial native) + * Set the RS pin (0 = Command, 1 = Data). + */ + virtual void _setRS(bool value); + +/** Implementation of pure Virtual Low level writes to LCD Bus (serial native) + * Set the BL pin (0 = Backlight Off, 1 = Backlight On). + */ + virtual void _setBL(bool value); + +/** Implementation of pure Virtual Low level writes to LCD Bus (serial native) + * Set the databus value (4 bit). + */ + virtual void _setData(int value); + +/** Low level writes to LCD serial bus only (serial native) + */ + virtual void _writeByte(int value); + +// SPI bus + SPI *_spi; + DigitalOut _cs; + + +// controlbyte to select between data and command. Internal value for serial bus only + char _controlbyte; + +//Backlight + DigitalOut *_bl; +}; + +//-------- End TextLCD_SPI_N_3_10 ---------- +#endif + +#if(0) +//Code not yet checked out on logic analyser. Not yet tested on hardware.. + +//------- Start TextLCD_SPI_N_3_16 --------- + +/** Create a TextLCD interface using a controller with native SPI3 16 bits interface + * + */ +class TextLCD_SPI_N_3_16 : public TextLCD_Base { +public: + /** Create a TextLCD interface using a controller with native SPI3 16 bits interface + * + * @param spi SPI Bus + * @param cs chip select pin (active low) + * @param type Sets the panel size/addressing mode (default = LCD16x2) + * @param bl Backlight control line (optional, default = NC) + * @param ctrl LCD controller (default = PT6314) + */ + TextLCD_SPI_N_3_16(SPI *spi, PinName cs, LCDType type = LCD16x2, PinName bl = NC, LCDCtrl ctrl = PT6314); + virtual ~TextLCD_SPI_N_3_16(void); + +private: + +/** Implementation of pure Virtual Low level writes to LCD Bus (serial native) + * Set the Enable pin. + */ + virtual void _setEnable(bool value); + +/** Implementation of pure Virtual Low level writes to LCD Bus (serial native) + * Set the RS pin (0 = Command, 1 = Data). + */ + virtual void _setRS(bool value); + +/** Implementation of pure Virtual Low level writes to LCD Bus (serial native) + * Set the BL pin (0 = Backlight Off, 1 = Backlight On). + */ + virtual void _setBL(bool value); + +/** Implementation of pure Virtual Low level writes to LCD Bus (serial native) + * Set the databus value (4 bit). + */ + virtual void _setData(int value); + +/** Low level writes to LCD serial bus only (serial native) + */ + virtual void _writeByte(int value); + +// SPI bus + SPI *_spi; + DigitalOut _cs; + +// controlbyte to select between data and command. Internal value for serial bus only + char _controlbyte; + +//Backlight + DigitalOut *_bl; +}; + +//-------- End TextLCD_SPI_N_3_16 ---------- +#endif + +#if(1) +//------- Start TextLCD_SPI_N_3_24 --------- + +/** Create a TextLCD interface using a controller with native SPI3 24 bits interface + * Note: lib uses SPI 8 bit mode + * + */ +class TextLCD_SPI_N_3_24 : public TextLCD_Base { +public: + /** Create a TextLCD interface using a controller with native SPI3 24 bits interface + * Note: lib uses SPI 8 bit mode + * + * @param spi SPI Bus + * @param cs chip select pin (active low) + * @param type Sets the panel size/addressing mode (default = LCD16x2) + * @param bl Backlight control line (optional, default = NC) + * @param ctrl LCD controller (default = SSD1803) + */ + TextLCD_SPI_N_3_24(SPI *spi, PinName cs, LCDType type = LCD16x2, PinName bl = NC, LCDCtrl ctrl = SSD1803_3V3); + virtual ~TextLCD_SPI_N_3_24(void); + +private: + +/** Implementation of pure Virtual Low level writes to LCD Bus (serial native) + * Set the Enable pin. + */ + virtual void _setEnable(bool value); + +/** Implementation of pure Virtual Low level writes to LCD Bus (serial native) + * Set the RS pin (0 = Command, 1 = Data). + */ + virtual void _setRS(bool value); + +/** Implementation of pure Virtual Low level writes to LCD Bus (serial native) + * Set the BL pin (0 = Backlight Off, 1 = Backlight On). + */ + virtual void _setBL(bool value); + +/** Implementation of pure Virtual Low level writes to LCD Bus (serial native) + * Set the databus value (4 bit). + */ + virtual void _setData(int value); + +/** Low level writes to LCD serial bus only (serial native) + */ + virtual void _writeByte(int value); + +// SPI bus + SPI *_spi; + DigitalOut _cs; + +// controlbyte to select between data and command. Internal value for serial bus only + char _controlbyte; + +//Backlight + DigitalOut *_bl; +}; + +//-------- End TextLCD_SPI_N_3_24 ---------- +#endif + + +//--------- Start TextLCD_I2C_N ----------- + +/** Create a TextLCD interface using a controller with native I2C interface + * + */ +class TextLCD_I2C_N : public TextLCD_Base { +public: + /** Create a TextLCD interface using a controller with native I2C interface + * + * @param i2c I2C Bus + * @param deviceAddress I2C slave address (default = ST7032_SA = 0x7C) + * @param type Sets the panel size/addressing mode (default = LCD16x2) + * @param bl Backlight control line (optional, default = NC) + * @param ctrl LCD controller (default = ST7032_3V3) + */ + TextLCD_I2C_N(I2C *i2c, char deviceAddress = ST7032_SA, LCDType type = LCD16x2, PinName bl = NC, LCDCtrl ctrl = ST7032_3V3); + virtual ~TextLCD_I2C_N(void); + +private: + +/** Implementation of pure Virtual Low level writes to LCD Bus (serial native) + * Set the Enable pin. + */ + virtual void _setEnable(bool value); + +/** Implementation of pure Virtual Low level writes to LCD Bus (serial native) + * Set the RS pin ( 0 = Command, 1 = Data). + */ + virtual void _setRS(bool value); + +/** Implementation of pure Virtual Low level writes to LCD Bus (serial native) + * Set the BL pin (0 = Backlight Off, 1 = Backlight On). + */ + virtual void _setBL(bool value); + +/** Implementation of pure Virtual Low level writes to LCD Bus (serial native) + * Set the databus value (4 bit). + */ + virtual void _setData(int value); + +/** Low level writes to LCD serial bus only (serial native) + */ + virtual void _writeByte(int value); + +//I2C bus + I2C *_i2c; + char _slaveAddress; + +// controlbyte to select between data and command. Internal value for serial bus only + char _controlbyte; + +//Backlight + DigitalOut *_bl; + +}; + +//---------- End TextLCD_I2C_N ------------ + + +#endif