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30 lines
1.2 KiB
C
30 lines
1.2 KiB
C
/*
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* This file is part of Espruino, a JavaScript interpreter for Microcontrollers
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*
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* Copyright (C) 2019 Gordon Williams <gw@pur3.co.uk>
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* ----------------------------------------------------------------------------
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* Graphics Backend for drawing to SPI displays
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* ----------------------------------------------------------------------------
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*/
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#include "graphics.h"
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#define LCD_STRIDE ((LCD_WIDTH*LCD_BPP+7)>>3)
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unsigned char lcdBuffer[LCD_STRIDE*LCD_HEIGHT];
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void lcdInit_SPILCD(JsGraphics *gfx);
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void lcdSetCallbacks_SPILCD(JsGraphics *gfx);
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void lcdFlip_SPILCD(JsGraphics *gfx); // run this to flip the offscreen buffer to the screen
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void lcdCmd_SPILCD(int cmd, int dataLen, const unsigned char *data); // to send specific commands to the display
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void lcdSetPalette_SPILCD(const char *pal);
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#if LCD_BPP==12 || LCD_BPP==16
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// Enable overlay mode (to overlay a graphics instance on top of the LCD contents)
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void lcdSetOverlay_SPILCD(JsVar *imgVar, int x, int y);
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#endif
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