cb740690c3
PCF8574 "pins" already hardcoded. But variables now renamed to match MMDVMHost variables. Added other Adafruit defines (commented out for now) for possible future use. Tidyed up some comments.
151 lines
3.9 KiB
C++
151 lines
3.9 KiB
C++
/*
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* Copyright (C) 2016 by Jonathan Naylor G4KLX
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#if !defined(HD44780_H)
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#define HD44780_H
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#include "Display.h"
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#include "Timer.h"
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#include <string>
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#include <vector>
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#include <mcp23017.h>
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#include <pcf8574.h>
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enum ADAFRUIT_COLOUR {
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AC_OFF,
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AC_WHITE,
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AC_RED,
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AC_GREEN,
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AC_BLUE,
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AC_PURPLE,
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AC_YELLOW,
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AC_ICE
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};
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// Defines for the Adafruit Pi LCD interface board
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#ifdef ADAFRUIT_DISPLAY
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#define AF_BASE 100
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/* Not yet used defines (for possible future use)
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*
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* #define AF_SELECT (AF_BASE + 0)
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* #define AF_RIGHT (AF_BASE + 1)
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* #define AF_DOWN (AF_BASE + 2)
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* #define AF_UP (AF_BASE + 3)
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* #define AF_LEFT (AF_BASE + 4)
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*/
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#define AF_RED (AF_BASE + 6)
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#define AF_GREEN (AF_BASE + 7)
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#define AF_BLUE (AF_BASE + 8)
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#define AF_D3 (AF_BASE + 9)
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#define AF_D2 (AF_BASE + 10)
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#define AF_D1 (AF_BASE + 11)
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#define AF_D0 (AF_BASE + 12)
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#define AF_E (AF_BASE + 13)
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#define AF_RW (AF_BASE + 14)
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#define AF_RS (AF_BASE + 15)
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#define AF_ON LOW
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#define AF_OFF HIGH
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#define MCP23017 0x20
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#endif
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// Define for HD44780 connected via a PCF8574 GPIO extender
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#ifdef PCF8574_DISPLAY
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#define AF_BASE 100
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#define AF_RS (AF_BASE + 0)
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#define AF_RW (AF_BASE + 1)
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#define AF_E (AF_BASE + 2)
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#define AF_BL (AF_BASE + 3)
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#define AF_D0 (AF_BASE + 4)
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#define AF_D1 (AF_BASE + 5)
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#define AF_D2 (AF_BASE + 6)
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#define AF_D3 (AF_BASE + 7)
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#define PCF8574 0x27
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#endif
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class CHD44780 : public CDisplay
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{
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public:
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CHD44780(unsigned int rows, unsigned int cols, const std::string& callsign, unsigned int dmrid, const std::vector<unsigned int>& pins, bool pwm, unsigned int pwmPin, unsigned int pwmBright, unsigned int pwmDim, bool displayClock, bool utc, bool duplex);
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virtual ~CHD44780();
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virtual bool open();
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virtual void close();
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protected:
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virtual void setIdleInt();
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virtual void setErrorInt(const char* text);
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virtual void setLockoutInt();
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virtual void writeDStarInt(const char* my1, const char* my2, const char* your, const char* type, const char* reflector);
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virtual void clearDStarInt();
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virtual void writeDMRInt(unsigned int slotNo, const std::string& src, bool group, const std::string& dst, const char* type);
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virtual void clearDMRInt(unsigned int slotNo);
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virtual void writeFusionInt(const char* source, const char* dest, const char* type, const char* origin);
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virtual void clearFusionInt();
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virtual void clockInt(unsigned int ms);
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private:
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unsigned int m_rows;
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unsigned int m_cols;
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std::string m_callsign;
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unsigned int m_dmrid;
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unsigned int m_rb;
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unsigned int m_strb;
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unsigned int m_d0;
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unsigned int m_d1;
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unsigned int m_d2;
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unsigned int m_d3;
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bool m_pwm;
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unsigned int m_pwmPin;
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unsigned int m_pwmBright;
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unsigned int m_pwmDim;
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bool m_displayClock;
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bool m_utc;
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bool m_duplex;
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int m_fd;
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bool m_dmr;
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CTimer m_clockDisplayTimer;
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CTimer m_dmrScrollTimer1;
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CTimer m_dmrScrollTimer2;
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CTimer m_dstarScrollTimer;
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#ifdef ADAFRUIT_DISPLAY
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void adafruitLCDSetup();
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void adafruitLCDColour(ADAFRUIT_COLOUR colour);
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#endif
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#ifdef PCF8574_DISPLAY
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void pcf8574LCDSetup();
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#endif
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};
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#endif
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