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https://github.com/digistump/DigistumpArduino.git
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118 lines
3.8 KiB
C++
118 lines
3.8 KiB
C++
/*
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* PCD8544 - Interface with Philips PCD8544 (or compatible) LCDs.
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*
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* Copyright (c) 2010 Carlos Rodrigues <cefrodrigues@gmail.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef PCD8544_H
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#define PCD8544_H
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#if ARDUINO < 100
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#include <WProgram.h>
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#else
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#include <Arduino.h>
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#endif
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// Chip variants supported...
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#define CHIP_PCD8544 0
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#define CHIP_ST7576 1
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#define PCD8544_WIDTH 84
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#define PCD8544_HEIGHT 48
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#define PCD8544_CMD LOW
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#define PCD8544_DATA HIGH
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class PCD8544: public Print {
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public:
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// All the pins can be changed from the default values...
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PCD8544(unsigned char sclk = 2, /* clock (display pin 2) */
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unsigned char sdin = 3, /* data-in (display pin 3) */
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unsigned char dc = 4, /* data select (display pin 4) */
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unsigned char reset = 6, /* reset (display pin 8) */
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unsigned char sce = 5); /* enable (display pin 5) */
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// Display initialization (dimensions in pixels)...
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void begin(unsigned char model=CHIP_PCD8544);
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void stop();
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// Erase everything on the display...
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void clear();
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void clearLine(); // ...or just the current line
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// Control the display's power state...
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void setPower(bool on);
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// For compatibility with the LiquidCrystal library...
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void display();
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void noDisplay();
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// Activate white-on-black mode (whole display)...
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void setInverse(bool inverse);
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// Place the cursor at the start of the current line...
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void home();
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// Place the cursor at position (column, line)...
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void setCursor(unsigned char column, unsigned char line);
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// Assign a user-defined glyph (5x8) to an ASCII character (0-31)...
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void createChar(unsigned char chr, const unsigned char *glyph);
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// Write an ASCII character at the current cursor position (7-bit)...
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#if ARDUINO < 100
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virtual void write(uint8_t chr);
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#else
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virtual size_t write(uint8_t chr);
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#endif
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// Draw a chart element at the current cursor position...
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void drawColumn(unsigned char lines, unsigned char value);
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void draw8x8(const unsigned char *data);
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void draw16x16(const unsigned char *data);
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protected:
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// Current cursor position...
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unsigned char column;
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unsigned char line;
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// Send a command or data to the display...
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void send(unsigned char type, unsigned char data);
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private:
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unsigned char pin_sclk;
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unsigned char pin_sdin;
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unsigned char pin_dc;
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unsigned char pin_reset;
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unsigned char pin_sce;
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// User-defined glyphs (below the ASCII space character)...
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const unsigned char *custom[' '];
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};
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#endif /* PCD8544_H */
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/* vim: set expandtab ts=4 sw=4: */
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