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91 lines
3.0 KiB
91 lines
3.0 KiB
/*
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MIT License
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Copyright (c) 2017-2019, Alexey Dynda
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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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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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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 THE
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SOFTWARE.
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*/
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#include "ssd1306_console.h"
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extern lcduint_t ssd1306_cursorX;
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extern lcduint_t ssd1306_cursorY;
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extern SFixedFontInfo s_fixedFont;
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#define SSD1306_MAX_SCAN_LINES 64
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size_t ssd1306_consoleWriter(uint8_t ch)
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{
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if (ch == '\r')
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{
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ssd1306_cursorX = 0;
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return 0;
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}
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else if ( (ssd1306_cursorX > ssd1306_lcd.width - s_fixedFont.h.width) || (ch == '\n') )
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{
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ssd1306_cursorX = 0;
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ssd1306_cursorY += s_fixedFont.h.height;
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uint8_t bottomScanLine = ssd1306_getStartLine() + ssd1306_lcd.height;
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if ( bottomScanLine > SSD1306_MAX_SCAN_LINES )
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{
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bottomScanLine -= SSD1306_MAX_SCAN_LINES;
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}
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if ( ssd1306_cursorY >= bottomScanLine )
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{
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uint8_t lcd_offset = ssd1306_getStartLine() + s_fixedFont.h.height;
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if ( lcd_offset >= SSD1306_MAX_SCAN_LINES )
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{
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lcd_offset -= SSD1306_MAX_SCAN_LINES;
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}
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ssd1306_setStartLine( lcd_offset );
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}
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if ( ssd1306_cursorY >= SSD1306_MAX_SCAN_LINES )
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{
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ssd1306_cursorY -= SSD1306_MAX_SCAN_LINES;
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}
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ssd1306_clearBlock(0, ssd1306_cursorY >> 3, ssd1306_lcd.width, s_fixedFont.h.height);
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if (ch == '\n')
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{
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return 0;
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}
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}
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uint16_t unicode = ssd1306_unicode16FromUtf8(ch);
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if (unicode == SSD1306_MORE_CHARS_REQUIRED) return 0;
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SCharInfo char_info;
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ssd1306_getCharBitmap(unicode, &char_info);
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ssd1306_drawBitmap( ssd1306_cursorX,
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ssd1306_cursorY >> 3,
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char_info.width,
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char_info.height,
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char_info.glyph );
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ssd1306_cursorX += char_info.width + char_info.spacing;
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return 1;
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}
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void Ssd1306Console::clear()
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{
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ssd1306_clearScreen();
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setCursor(0,0);
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}
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void Ssd1306Console::setCursor(lcduint_t x, lcduint_t y)
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{
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ssd1306_setCursor8(x,y);
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}
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