Espruino/libs/graphics/lcd_memlcd.h

28 lines
1.1 KiB
C

/*
* This file is part of Espruino, a JavaScript interpreter for Microcontrollers
*
* Copyright (C) 2019 Gordon Williams <gw@pur3.co.uk>
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* ----------------------------------------------------------------------------
* Graphics Backend for drawing to SPI displays
* ----------------------------------------------------------------------------
*/
#include "graphics.h"
void lcdMemLCD_init(JsGraphics *gfx);
void lcdMemLCD_setCallbacks(JsGraphics *gfx);
void lcdMemLCD_flip(JsGraphics *gfx); // run this to flip the offscreen buffer to the screen
void lcdMemLCD_cmd(int cmd, int dataLen, const char *data); // to send specific commands to the display
/// toggle EXTCOMIN to avoid burn-in
void lcdMemLCD_extcominToggle();
/// If backlight is on, we need to raise EXTCOMIN freq (use HW PWM)
void lcdMemLCD_extcominBacklight(bool isOn);
// Enable overlay mode (to overlay an image on top of the LCD contents)
void lcdMemLCD_setOverlay(JsVar *imgVar, int x, int y);