mirror of
https://github.com/DCC-EX/CommandStation-EX.git
synced 2024-11-27 01:56:14 +01:00
d7b2cf3d76
* LCN * Prevent deprecated compiler warning * Implement huge function numbers * new commands <! [cab]> forget locos. <9> ESTOP ALL. <D RESET> reboot arduino * Waveform accuracy msg * Drop post-write verify * UNUSED_PIN current measure and callback -2 for cv actions. * Correct diags * ESTOP a forget loco * ESTOP loco on forget * Avoid compiler warning * current sensor offset * Restore <1 JOIN> after prog track operation * <!> ESTOP <-> FORGET * Auto current offset detection * manage current offset and diagnostics * neater msg at startup * Add startup message to LCN master * DCC::setJoinRelayPin Co-authored-by: Asbelos <asbelos@btinternet.com>
115 lines
3.0 KiB
C++
115 lines
3.0 KiB
C++
/*
|
|
* © 2021, Neil McKechnie. All rights reserved.
|
|
* Based on the work by DFRobot, Frank de Brabander and Marco Schwartz.
|
|
*
|
|
* This file is part of CommandStation-EX
|
|
*
|
|
* This is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* It is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with CommandStation. If not, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef LiquidCrystal_I2C_h
|
|
#define LiquidCrystal_I2C_h
|
|
|
|
#include <inttypes.h>
|
|
#include "Print.h"
|
|
#include <Wire.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
|
|
|
|
// flags for backlight control
|
|
#define LCD_BACKLIGHT 0x08
|
|
#define LCD_NOBACKLIGHT 0x00
|
|
|
|
#define En 0b00000100 // Enable bit
|
|
#define Rw 0b00000010 // Read/Write bit
|
|
#define Rs 0b00000001 // Register select bit
|
|
|
|
class LiquidCrystal_I2C : public Print {
|
|
public:
|
|
LiquidCrystal_I2C(uint8_t lcd_Addr,uint8_t lcd_cols,uint8_t lcd_rows);
|
|
void begin(uint8_t cols, uint8_t rows);
|
|
void clear();
|
|
void noDisplay();
|
|
void display();
|
|
void noBacklight();
|
|
void backlight();
|
|
|
|
void setCursor(uint8_t, uint8_t);
|
|
#if defined(ARDUINO) && ARDUINO >= 100
|
|
virtual size_t write(uint8_t);
|
|
#else
|
|
virtual void write(uint8_t);
|
|
#endif
|
|
void command(uint8_t);
|
|
void init();
|
|
void oled_init();
|
|
|
|
////compatibility API function aliases
|
|
void setBacklight(uint8_t new_val); // alias for backlight() and nobacklight()
|
|
void printstr(const char[]);
|
|
|
|
private:
|
|
void init_priv();
|
|
void send(uint8_t, uint8_t);
|
|
void write4bits(uint8_t, bool inTransmission=false);
|
|
void expanderWrite(uint8_t);
|
|
void pulseEnable(uint8_t);
|
|
uint8_t _Addr;
|
|
uint8_t _displayfunction;
|
|
uint8_t _displaycontrol;
|
|
uint8_t _displaymode;
|
|
uint8_t _numlines;
|
|
uint8_t _cols;
|
|
uint8_t _rows;
|
|
uint8_t _backlightval;
|
|
};
|
|
|
|
#endif
|