From cfc193cdac385094bd07dff45b0fe989c52eb181 Mon Sep 17 00:00:00 2001 From: Sergey Taranenko Date: Fri, 12 Oct 2012 19:06:43 +0400 Subject: [PATCH] Enables support the Cyrillic alphabet for LCD --- Marlin/LiquidCrystalRus.cpp | 389 ++++++++++++++++++++++++++++++++++++ Marlin/LiquidCrystalRus.h | 129 ++++++++++++ Marlin/ultralcd.h | 10 +- Marlin/ultralcd.pde | 8 + 4 files changed, 535 insertions(+), 1 deletion(-) create mode 100644 Marlin/LiquidCrystalRus.cpp create mode 100644 Marlin/LiquidCrystalRus.h diff --git a/Marlin/LiquidCrystalRus.cpp b/Marlin/LiquidCrystalRus.cpp new file mode 100644 index 0000000..66bb370 --- /dev/null +++ b/Marlin/LiquidCrystalRus.cpp @@ -0,0 +1,389 @@ +#include "LiquidCrystalRus.h" + +#include +#include +#include +#include + +#if defined(ARDUINO) && ARDUINO >= 100 + #include "Arduino.h" +#else + #include "WProgram.h" +#endif + +// it is a russian alphabet translation +// except 0401 --> 0xa2 = ╗, 0451 --> 0xb5 +PROGMEM prog_uchar utf_recode[] = + { 0x41,0xa0,0x42,0xa1,0xe0,0x45,0xa3,0xa4,0xa5,0xa6,0x4b,0xa7,0x4d,0x48,0x4f, + 0xa8,0x50,0x43,0x54,0xa9,0xaa,0x58,0xe1,0xab,0xac,0xe2,0xad,0xae,0x62,0xaf,0xb0,0xb1, + 0x61,0xb2,0xb3,0xb4,0xe3,0x65,0xb6,0xb7,0xb8,0xb9,0xba,0xbb,0xbc,0xbd,0x6f, + 0xbe,0x70,0x63,0xbf,0x79,0xe4,0x78,0xe5,0xc0,0xc1,0xe6,0xc2,0xc3,0xc4,0xc5,0xc6,0xc7 + }; + +// When the display powers up, it is configured as follows: +// +// 1. Display clear +// 2. Function set: +// DL = 1; 8-bit interface data +// N = 0; 1-line display +// F = 0; 5x8 dot character font +// 3. Display on/off control: +// D = 0; Display off +// C = 0; Cursor off +// B = 0; Blinking off +// 4. Entry mode set: +// I/D = 1; Increment by 1 +// S = 0; No shift +// +// Note, however, that resetting the Arduino doesn't reset the LCD, so we +// can't assume that its in that state when a sketch starts (and the +// LiquidCrystal constructor is called). +// +// modified 27 Jul 2011 +// by Ilya V. Danilov http://mk90.ru/ + + +LiquidCrystalRus::LiquidCrystalRus(uint8_t rs, uint8_t rw, uint8_t enable, + uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3, + uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7) +{ + init(0, rs, rw, enable, d0, d1, d2, d3, d4, d5, d6, d7); +} + +LiquidCrystalRus::LiquidCrystalRus(uint8_t rs, uint8_t enable, + uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3, + uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7) +{ + init(0, rs, 255, enable, d0, d1, d2, d3, d4, d5, d6, d7); +} + +LiquidCrystalRus::LiquidCrystalRus(uint8_t rs, uint8_t rw, uint8_t enable, + uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3) +{ + init(1, rs, rw, enable, d0, d1, d2, d3, 0, 0, 0, 0); +} + +LiquidCrystalRus::LiquidCrystalRus(uint8_t rs, uint8_t enable, + uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3) +{ + init(1, rs, 255, enable, d0, d1, d2, d3, 0, 0, 0, 0); +} + +void LiquidCrystalRus::init(uint8_t fourbitmode, uint8_t rs, uint8_t rw, uint8_t enable, + uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3, + uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7) +{ + _rs_pin = rs; + _rw_pin = rw; + _enable_pin = enable; + + _data_pins[0] = d0; + _data_pins[1] = d1; + _data_pins[2] = d2; + _data_pins[3] = d3; + _data_pins[4] = d4; + _data_pins[5] = d5; + _data_pins[6] = d6; + _data_pins[7] = d7; + + pinMode(_rs_pin, OUTPUT); + // we can save 1 pin by not using RW. Indicate by passing 255 instead of pin# + if (_rw_pin != 255) { + pinMode(_rw_pin, OUTPUT); + } + pinMode(_enable_pin, OUTPUT); + + if (fourbitmode) + _displayfunction = LCD_4BITMODE | LCD_1LINE | LCD_5x8DOTS; + else + _displayfunction = LCD_8BITMODE | LCD_1LINE | LCD_5x8DOTS; + + begin(16, 1); +} + +void LiquidCrystalRus::begin(uint8_t cols, uint8_t lines, uint8_t dotsize) { + if (lines > 1) { + _displayfunction |= LCD_2LINE; + } + _numlines = lines; + _currline = 0; + + // for some 1 line displays you can select a 10 pixel high font + if ((dotsize != 0) && (lines == 1)) { + _displayfunction |= LCD_5x10DOTS; + } + + // SEE PAGE 45/46 FOR INITIALIZATION SPECIFICATION! + // according to datasheet, we need at least 40ms after power rises above 2.7V + // before sending commands. Arduino can turn on way befer 4.5V so we'll wait 50 + delayMicroseconds(50000); + // Now we pull both RS and R/W low to begin commands + digitalWrite(_rs_pin, LOW); + digitalWrite(_enable_pin, LOW); + if (_rw_pin != 255) { + digitalWrite(_rw_pin, LOW); + } + + //put the LCD into 4 bit or 8 bit mode + if (! (_displayfunction & LCD_8BITMODE)) { + // this is according to the hitachi HD44780 datasheet + // figure 24, pg 46 + + // we start in 8bit mode, try to set 4 bit mode + writeNbits(0x03,4); + delayMicroseconds(4500); // wait min 4.1ms + + // second try + writeNbits(0x03,4); + delayMicroseconds(4500); // wait min 4.1ms + + // third go! + writeNbits(0x03,4); + delayMicroseconds(150); + + // finally, set to 8-bit interface + writeNbits(0x02,4); + } else { + // this is according to the hitachi HD44780 datasheet + // page 45 figure 23 + + // Send function set command sequence + command(LCD_FUNCTIONSET | _displayfunction); + delayMicroseconds(4500); // wait more than 4.1ms + + // second try + command(LCD_FUNCTIONSET | _displayfunction); + delayMicroseconds(150); + + // third go + command(LCD_FUNCTIONSET | _displayfunction); + } + + // finally, set # lines, font size, etc. + command(LCD_FUNCTIONSET | _displayfunction); + + // turn the display on with no cursor or blinking default + _displaycontrol = LCD_DISPLAYON | LCD_CURSOROFF | LCD_BLINKOFF; + display(); + + // clear it off + clear(); + + // Initialize to default text direction (for romance languages) + _displaymode = LCD_ENTRYLEFT | LCD_ENTRYSHIFTDECREMENT; + // set the entry mode + command(LCD_ENTRYMODESET | _displaymode); + +} + +void LiquidCrystalRus::setDRAMModel(uint8_t model) { + _dram_model = model; +} + +/********** high level commands, for the user! */ +void LiquidCrystalRus::clear() +{ + command(LCD_CLEARDISPLAY); // clear display, set cursor position to zero + delayMicroseconds(2000); // this command takes a long time! +} + +void LiquidCrystalRus::home() +{ + command(LCD_RETURNHOME); // set cursor position to zero + delayMicroseconds(2000); // this command takes a long time! +} + +void LiquidCrystalRus::setCursor(uint8_t col, uint8_t row) +{ + int row_offsets[] = { 0x00, 0x40, 0x14, 0x54 }; + if ( row >= _numlines ) { + row = _numlines-1; // we count rows starting w/0 + } + + command(LCD_SETDDRAMADDR | (col + row_offsets[row])); +} + +// Turn the display on/off (quickly) +void LiquidCrystalRus::noDisplay() { + _displaycontrol &= ~LCD_DISPLAYON; + command(LCD_DISPLAYCONTROL | _displaycontrol); +} +void LiquidCrystalRus::display() { + _displaycontrol |= LCD_DISPLAYON; + command(LCD_DISPLAYCONTROL | _displaycontrol); +} + +// Turns the underline cursor on/off +void LiquidCrystalRus::noCursor() { + _displaycontrol &= ~LCD_CURSORON; + command(LCD_DISPLAYCONTROL | _displaycontrol); +} +void LiquidCrystalRus::cursor() { + _displaycontrol |= LCD_CURSORON; + command(LCD_DISPLAYCONTROL | _displaycontrol); +} + +// Turn on and off the blinking cursor +void LiquidCrystalRus::noBlink() { + _displaycontrol &= ~LCD_BLINKON; + command(LCD_DISPLAYCONTROL | _displaycontrol); +} +void LiquidCrystalRus::blink() { + _displaycontrol |= LCD_BLINKON; + command(LCD_DISPLAYCONTROL | _displaycontrol); +} + +// These commands scroll the display without changing the RAM +void LiquidCrystalRus::scrollDisplayLeft(void) { + command(LCD_CURSORSHIFT | LCD_DISPLAYMOVE | LCD_MOVELEFT); +} +void LiquidCrystalRus::scrollDisplayRight(void) { + command(LCD_CURSORSHIFT | LCD_DISPLAYMOVE | LCD_MOVERIGHT); +} + +// This is for text that flows Left to Right +void LiquidCrystalRus::leftToRight(void) { + _displaymode |= LCD_ENTRYLEFT; + command(LCD_ENTRYMODESET | _displaymode); +} + +// This is for text that flows Right to Left +void LiquidCrystalRus::rightToLeft(void) { + _displaymode &= ~LCD_ENTRYLEFT; + command(LCD_ENTRYMODESET | _displaymode); +} + +// This will 'right justify' text from the cursor +void LiquidCrystalRus::autoscroll(void) { + _displaymode |= LCD_ENTRYSHIFTINCREMENT; + command(LCD_ENTRYMODESET | _displaymode); +} + +// This will 'left justify' text from the cursor +void LiquidCrystalRus::noAutoscroll(void) { + _displaymode &= ~LCD_ENTRYSHIFTINCREMENT; + command(LCD_ENTRYMODESET | _displaymode); +} + +// Allows us to fill the first 8 CGRAM locations +// with custom characters +void LiquidCrystalRus::createChar(uint8_t location, uint8_t charmap[]) { + location &= 0x7; // we only have 8 locations 0-7 + command(LCD_SETCGRAMADDR | (location << 3)); + for (int i=0; i<8; i++) { + write(charmap[i]); + } +} + +/*********** mid level commands, for sending data/cmds */ + +inline void LiquidCrystalRus::command(uint8_t value) { + send(value, LOW); +} + +#if defined(ARDUINO) && ARDUINO >= 100 + size_t LiquidCrystalRus::write(uint8_t value) +#else + void LiquidCrystalRus::write(uint8_t value) +#endif +{ + uint8_t out_char=value; + + if (_dram_model == LCD_DRAM_WH1601) { + uint8_t ac=recv(LOW) & 0x7f; + if (ac>7 && ac<0x14) command(LCD_SETDDRAMADDR | (0x40+ac-8)); + } + + if (value>=0x80) { // UTF-8 handling + if (value >= 0xc0) { + utf_hi_char = value - 0xd0; + } else { + value &= 0x3f; + if (!utf_hi_char && (value == 1)) + send(0xa2,HIGH); // ╗ + else if ((utf_hi_char == 1) && (value == 0x11)) + send(0xb5,HIGH); // ╦ + else + send(pgm_read_byte_near(utf_recode + value + (utf_hi_char<<6) - 0x10), HIGH); + } + } else send(out_char, HIGH); +#if defined(ARDUINO) && ARDUINO >= 100 + return 1; // assume sucess +#endif +} + +/************ low level data pushing commands **********/ + +// write either command or data, with automatic 4/8-bit selection +void LiquidCrystalRus::send(uint8_t value, uint8_t mode) { + digitalWrite(_rs_pin, mode); + + // if there is a RW pin indicated, set it low to Write + if (_rw_pin != 255) { + digitalWrite(_rw_pin, LOW); + } + + if (_displayfunction & LCD_8BITMODE) { + writeNbits(value,8); + } else { + writeNbits(value>>4,4); + writeNbits(value,4); + } +} + +// read data, with automatic 4/8-bit selection +uint8_t LiquidCrystalRus::recv(uint8_t mode) { + uint8_t retval; + digitalWrite(_rs_pin, mode); + + // if there is a RW pin indicated, set it low to Write + if (_rw_pin != 255) { + digitalWrite(_rw_pin, HIGH); + } + + if (_displayfunction & LCD_8BITMODE) { + retval = readNbits(8); + } else { + retval = readNbits(4) << 4; + retval |= readNbits(4); + } + return retval; +} +void LiquidCrystalRus::pulseEnable() { + digitalWrite(_enable_pin, LOW); + delayMicroseconds(1); + digitalWrite(_enable_pin, HIGH); + delayMicroseconds(1); // enable pulse must be >450ns + digitalWrite(_enable_pin, LOW); + delayMicroseconds(100); // commands need > 37us to settle +} + +void LiquidCrystalRus::writeNbits(uint8_t value, uint8_t n) { + for (int i = 0; i < n; i++) { + pinMode(_data_pins[i], OUTPUT); + digitalWrite(_data_pins[i], (value >> i) & 0x01); + } + + pulseEnable(); +} + +uint8_t LiquidCrystalRus::readNbits(uint8_t n) { + uint8_t retval=0; + for (int i = 0; i < n; i++) { + pinMode(_data_pins[i], INPUT); + } + + digitalWrite(_enable_pin, LOW); + delayMicroseconds(1); + digitalWrite(_enable_pin, HIGH); + delayMicroseconds(1); // enable pulse must be >450ns + + for (int i = 0; i < n; i++) { + retval |= (digitalRead(_data_pins[i]) == HIGH)?(1 << i):0; + } + + digitalWrite(_enable_pin, LOW); + + return retval; +} + diff --git a/Marlin/LiquidCrystalRus.h b/Marlin/LiquidCrystalRus.h new file mode 100644 index 0000000..ad85394 --- /dev/null +++ b/Marlin/LiquidCrystalRus.h @@ -0,0 +1,129 @@ +// +// based on LiquidCrystal library from ArduinoIDE, see http://arduino.cc +// modified 27 Jul 2011 +// by Ilya V. Danilov http://mk90.ru/ +// + +#ifndef LiquidCrystalRus_h +#define LiquidCrystalRus_h + +#include +#include "Print.h" + +// commands +#define LCD_CLEARDISPLAY 0x01 +#define LCD_RETURNHOME 0x02 +#define LCD_ENTRYMODESET 0x04 +#define LCD_DISPLAYCONTROL 0x08 +#define LCD_CURSORSHIFT 0x10 +#define LCD_FUNCTIONSET 0x20 +#define LCD_SETCGRAMADDR 0x40 +#define LCD_SETDDRAMADDR 0x80 + +// flags for display entry mode +#define LCD_ENTRYRIGHT 0x00 +#define LCD_ENTRYLEFT 0x02 +#define LCD_ENTRYSHIFTINCREMENT 0x01 +#define LCD_ENTRYSHIFTDECREMENT 0x00 + +// flags for display on/off control +#define LCD_DISPLAYON 0x04 +#define LCD_DISPLAYOFF 0x00 +#define LCD_CURSORON 0x02 +#define LCD_CURSOROFF 0x00 +#define LCD_BLINKON 0x01 +#define LCD_BLINKOFF 0x00 + +// flags for display/cursor shift +#define LCD_DISPLAYMOVE 0x08 +#define LCD_CURSORMOVE 0x00 +#define LCD_MOVERIGHT 0x04 +#define LCD_MOVELEFT 0x00 + +// flags for function set +#define LCD_8BITMODE 0x10 +#define LCD_4BITMODE 0x00 +#define LCD_2LINE 0x08 +#define LCD_1LINE 0x00 +#define LCD_5x10DOTS 0x04 +#define LCD_5x8DOTS 0x00 + +// enum for +#define LCD_DRAM_Normal 0x00 +#define LCD_DRAM_WH1601 0x01 + + +class LiquidCrystalRus : public Print { +public: + LiquidCrystalRus(uint8_t rs, uint8_t enable, + uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3, + uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7); + LiquidCrystalRus(uint8_t rs, uint8_t rw, uint8_t enable, + uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3, + uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7); + LiquidCrystalRus(uint8_t rs, uint8_t rw, uint8_t enable, + uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3); + LiquidCrystalRus(uint8_t rs, uint8_t enable, + uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3); + + void init(uint8_t fourbitmode, uint8_t rs, uint8_t rw, uint8_t enable, + uint8_t d0, uint8_t d1, uint8_t d2, uint8_t d3, + uint8_t d4, uint8_t d5, uint8_t d6, uint8_t d7); + + void begin(uint8_t cols, uint8_t rows, uint8_t charsize = LCD_5x8DOTS); + + void clear(); + void home(); + + void noDisplay(); + void display(); + void noBlink(); + void blink(); + void noCursor(); + void cursor(); + void scrollDisplayLeft(); + void scrollDisplayRight(); + void leftToRight(); + void rightToLeft(); + void autoscroll(); + void noAutoscroll(); + + void createChar(uint8_t, uint8_t[]); + void setCursor(uint8_t, uint8_t); + +#if defined(ARDUINO) && ARDUINO >= 100 + virtual size_t write(uint8_t); + using Print::write; +#else + virtual void write(uint8_t); +#endif + + void command(uint8_t); + + void setDRAMModel(uint8_t); + +private: + void send(uint8_t, uint8_t); + void writeNbits(uint8_t, uint8_t); + uint8_t recv(uint8_t); + uint8_t readNbits(uint8_t); + void pulseEnable(); + + uint8_t _rs_pin; // LOW: command. HIGH: character. + uint8_t _rw_pin; // LOW: write to LCD. HIGH: read from LCD. + uint8_t _enable_pin; // activated by a HIGH pulse. + uint8_t _data_pins[8]; + + uint8_t _displayfunction; + uint8_t _displaycontrol; + uint8_t _displaymode; + + uint8_t _initialized; + + uint8_t _numlines,_currline; + + uint8_t _dram_model; + uint8_t utf_hi_char; // UTF-8 high part +}; + +#endif diff --git a/Marlin/ultralcd.h b/Marlin/ultralcd.h index d44c2c3..1d46572 100644 --- a/Marlin/ultralcd.h +++ b/Marlin/ultralcd.h @@ -2,7 +2,11 @@ #define ULTRALCD_H #include "Marlin.h" #ifdef ULTRA_LCD - #include +#if LANGUAGE_CHOICE == 6 +#include "LiquidCrystalRus.h" +#else +#include +#endif void lcd_status(); void lcd_init(); void lcd_status(const char* message); @@ -12,7 +16,11 @@ #define LCD_UPDATE_INTERVAL 100 #define STATUSTIMEOUT 15000 +#if LANGUAGE_CHOICE == 6 + extern LiquidCrystalRus lcd; +#else extern LiquidCrystal lcd; +#endif extern volatile char buttons; //the last checked buttons in a bit array. #ifdef NEWPANEL diff --git a/Marlin/ultralcd.pde b/Marlin/ultralcd.pde index 5cfbc32..47e1a2a 100644 --- a/Marlin/ultralcd.pde +++ b/Marlin/ultralcd.pde @@ -6,7 +6,11 @@ #include "language.h" #include "temperature.h" #include "EEPROMwrite.h" +#if LANGUAGE_CHOICE == 6 +#include "LiquidCrystalRus.h" +#else #include +#endif //=========================================================================== //=============================imported variables============================ //=========================================================================== @@ -38,7 +42,11 @@ static char messagetext[LCD_WIDTH]=""; //return for string conversion routines static char conv[8]; +#if LANGUAGE_CHOICE == 6 +LiquidCrystalRus lcd(LCD_PINS_RS, LCD_PINS_ENABLE, LCD_PINS_D4, LCD_PINS_D5,LCD_PINS_D6,LCD_PINS_D7); //RS,Enable,D4,D5,D6,D7 +#else LiquidCrystal lcd(LCD_PINS_RS, LCD_PINS_ENABLE, LCD_PINS_D4, LCD_PINS_D5,LCD_PINS_D6,LCD_PINS_D7); //RS,Enable,D4,D5,D6,D7 +#elseif static unsigned long previous_millis_lcd=0; //static long previous_millis_buttons=0;