mirror of
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100 lines
3.0 KiB
C++
100 lines
3.0 KiB
C++
//
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// ssd1306.h
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//
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// mt32-pi - A baremetal MIDI synthesizer for Raspberry Pi
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// Copyright (C) 2020-2023 Dale Whinham <daleyo@gmail.com>
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//
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// This file is part of mt32-pi.
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//
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// mt32-pi is free software: you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the Free Software
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// Foundation, either version 3 of the License, or (at your option) any later
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// version.
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//
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// mt32-pi is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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// FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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// details.
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//
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// You should have received a copy of the GNU General Public License along with
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// mt32-pi. If not, see <http://www.gnu.org/licenses/>.
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//
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#ifndef _ssd1306_h
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#define _ssd1306_h
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#include <circle/i2cmaster.h>
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#include <circle/types.h>
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#include "lcd/lcd.h"
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#include "synth/mt32synth.h"
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#include "utility.h"
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class CSSD1306 : public CLCD
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{
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public:
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#define ENUM_LCDROTATION(ENUM) \
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ENUM(Normal, normal) \
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ENUM(Inverted, inverted)
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#define ENUM_LCDMIRROR(ENUM) \
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ENUM(Normal, normal) \
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ENUM(Mirrored, mirrored)
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CONFIG_ENUM(TLCDRotation, ENUM_LCDROTATION);
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CONFIG_ENUM(TLCDMirror, ENUM_LCDMIRROR);
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CSSD1306(CI2CMaster* pI2CMaster, u8 nAddress = 0x3C, u8 nWidth = 128, u8 nHeight = 32, TLCDRotation Rotation = TLCDRotation::Normal, TLCDMirror Mirror = TLCDMirror::Normal);
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// CLCD
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virtual bool Initialize() override;
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virtual TType GetType() const override { return TType::Graphical; };
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// Character functions
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virtual void Clear(bool bImmediate = false) override;
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virtual void Print(const char* pText, u8 nCursorX, u8 nCursorY, bool bClearLine = false, bool bImmediate = false) override;
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// Graphics functions
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virtual void SetPixel(u8 nX, u8 nY) override;
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virtual void ClearPixel(u8 nX, u8 nY) override;
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virtual void DrawFilledRect(u8 nX1, u8 nY1, u8 nX2, u8 nY2, bool bImmediate = false) override;
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virtual void DrawChar(char chChar, u8 nCursorX, u8 nCursorY, bool bInverted = false, bool bDoubleWidth = false) override;
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virtual void DrawImage(TImage Image, bool bImmediate = false) override;
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virtual void Flip() override;
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virtual void SetBacklightState(bool bEnabled) override;
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protected:
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struct TFrameBufferUpdatePacket
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{
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u8 DataControlByte;
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u8 FrameBuffer[128 * 64 / 8];
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}
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PACKED;
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void WriteCommand(u8 nCommand) const;
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virtual void WriteFrameBuffer(bool bForceFullUpdate = false) const;
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void SwapFrameBuffers();
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CI2CMaster* m_pI2CMaster;
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u8 m_nAddress;
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TLCDRotation m_Rotation;
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TLCDMirror m_Mirror;
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// Double framebuffers
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TFrameBufferUpdatePacket m_FrameBuffers[2];
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u8 m_nCurrentFrameBuffer;
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};
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class CSH1106 : public CSSD1306
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{
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public:
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CSH1106(CI2CMaster* pI2CMaster, u8 nAddress = 0x3C, u8 nWidth = 128, u8 nHeight = 32, TLCDRotation Rotation = TLCDRotation::Normal);
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private:
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void WriteData(const u8* pData, size_t nSize) const;
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virtual void WriteFrameBuffer(bool bForceFullUpdate = false) const override;
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};
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#endif
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