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HD44780.h
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HD44780.h
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/*
* Copyright (C) 2016,2017,2018,2020,2021 by Jonathan Naylor G4KLX & Tony Corbett G0WFV
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(HD44780_H)
#define HD44780_H
#include "Display.h"
#include "Timer.h"
#include <string>
#include <vector>
#include <mcp23017.h>
#include <pcf8574.h>
enum ADAFRUIT_COLOUR {
AC_OFF,
AC_WHITE,
AC_RED,
AC_GREEN,
AC_BLUE,
AC_PURPLE,
AC_YELLOW,
AC_ICE
};
// Defines for the Adafruit Pi LCD interface board
#ifdef ADAFRUIT_DISPLAY
#define AF_BASE 100
/* Not yet used defines (for possible future use)
*
* #define AF_SELECT (AF_BASE + 0)
* #define AF_RIGHT (AF_BASE + 1)
* #define AF_DOWN (AF_BASE + 2)
* #define AF_UP (AF_BASE + 3)
* #define AF_LEFT (AF_BASE + 4)
*/
#define AF_RED (AF_BASE + 6)
#define AF_GREEN (AF_BASE + 7)
#define AF_BLUE (AF_BASE + 8)
#define AF_D3 (AF_BASE + 9)
#define AF_D2 (AF_BASE + 10)
#define AF_D1 (AF_BASE + 11)
#define AF_D0 (AF_BASE + 12)
#define AF_E (AF_BASE + 13)
#define AF_RW (AF_BASE + 14)
#define AF_RS (AF_BASE + 15)
#define AF_ON LOW
#define AF_OFF HIGH
// #define MCP23017 0x20
#endif
// Define for HD44780 connected via a PCF8574 GPIO extender
#ifdef PCF8574_DISPLAY
#define AF_BASE 100
#define AF_RS (AF_BASE + 0)
#define AF_RW (AF_BASE + 1)
#define AF_E (AF_BASE + 2)
#define AF_BL (AF_BASE + 3)
#define AF_D0 (AF_BASE + 4)
#define AF_D1 (AF_BASE + 5)
#define AF_D2 (AF_BASE + 6)
#define AF_D3 (AF_BASE + 7)
// #define PCF8574 0x27
#endif
class CHD44780 : public CDisplay
{
public:
CHD44780(unsigned int rows, unsigned int cols, const std::string& callsign, unsigned int dmrid, const std::vector<unsigned int>& pins, unsigned int i2cAddress, bool pwm, unsigned int pwmPin, unsigned int pwmBright, unsigned int pwmDim, bool displayClock, bool utc, bool duplex);
virtual ~CHD44780();
virtual bool open();
virtual void close();
protected:
virtual void setIdleInt();
virtual void setErrorInt(const char* text);
virtual void setLockoutInt();
virtual void setQuitInt();
virtual void setFMInt();
virtual void writeDStarInt(const char* my1, const char* my2, const char* your, const char* type, const char* reflector);
virtual void writeDStarRSSIInt(unsigned char rssi);
virtual void clearDStarInt();
virtual void writeDMRInt(unsigned int slotNo, const std::string& src, bool group, const std::string& dst, const char* type);
virtual void writeDMRRSSIInt(unsigned int slotNo, unsigned char rssi);
virtual void clearDMRInt(unsigned int slotNo);
virtual void writeFusionInt(const char* source, const char* dest, unsigned char dgid, const char* type, const char* origin);
virtual void writeFusionRSSIInt(unsigned char rssi);
virtual void clearFusionInt();
virtual void writeP25Int(const char* source, bool group, unsigned int dest, const char* type);
virtual void writeP25RSSIInt(unsigned char rssi);
virtual void clearP25Int();
virtual void writeNXDNInt(const char* source, bool group, unsigned int dest, const char* type);
virtual void writeNXDNRSSIInt(unsigned char rssi);
virtual void clearNXDNInt();
virtual void writeM17Int(const char* source, const char* dest, const char* type);
virtual void writeM17RSSIInt(unsigned char rssi);
virtual void clearM17Int();
virtual void writePOCSAGInt(uint32_t ric, const std::string& message);
virtual void clearPOCSAGInt();
virtual void writeCWInt();
virtual void clearCWInt();
virtual void clockInt(unsigned int ms);
private:
unsigned int m_rows;
unsigned int m_cols;
std::string m_callsign;
unsigned int m_dmrid;
unsigned int m_rb;
unsigned int m_strb;
unsigned int m_d0;
unsigned int m_d1;
unsigned int m_d2;
unsigned int m_d3;
unsigned int m_i2cAddress;
bool m_pwm;
unsigned int m_pwmPin;
unsigned int m_pwmBright;
unsigned int m_pwmDim;
bool m_displayClock;
bool m_utc;
bool m_duplex;
int m_fd;
bool m_dmr;
CTimer m_clockDisplayTimer;
unsigned int m_rssiCount1;
unsigned int m_rssiCount2;
/*
CTimer m_dmrScrollTimer1;
CTimer m_dmrScrollTimer2;
CTimer m_dstarScrollTimer;
*/
#ifdef ADAFRUIT_DISPLAY
void adafruitLCDSetup();
void adafruitLCDColour(ADAFRUIT_COLOUR colour);
#endif
#ifdef PCF8574_DISPLAY
void pcf8574LCDSetup();
#endif
};
#endif