c3pb
esp8266-oled-ssd1306

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#include <Wire.h>
#include "SSD1306.h"

SSD1306  display(ADDRESS, SDA, SDC);
#include <brzo_i2c.h>
#include "SSD1306Brzo.h"

SSD1306Brzo display(ADDRESS, SDA, SDC);
#include <SPI.h>
#include "SSD1306Spi.h"

SSD1306Spi        display(RES, DC, CS);
// Create the display object connected to pin sda and sdc
SSD1306(int i2cAddress, int sda, int sdc);

// Initialize the display
void init();

// Free the memory used by the display
void end();

// Cycle through the initialization
void resetDisplay(void);

// Connect again to the display through I2C
void reconnect(void);

// Turn the display on
void displayOn(void);

// Turn the display offs
void displayOff(void);

// Clear the local pixel buffer
void clear(void);

// Write the buffer to the display memory
void display(void);

// Inverted display mode
void invertDisplay(void);

// Normal display mode
void normalDisplay(void);

// Set display contrast
void setContrast(char contrast);

// Turn the display upside down
void flipScreenVertically();
void setColor(SSD1306_COLOR color);

// Draw a pixel at given position
void setPixel(int16_t x, int16_t y);

// Draw a line from position 0 to position 1
void drawLine(int16_t x0, int16_t y0, int16_t x1, int16_t y1);

// Draw the border of a rectangle at the given location
void drawRect(int16_t x, int16_t y, int16_t width, int16_t height);

// Fill the rectangle
void fillRect(int16_t x, int16_t y, int16_t width, int16_t height);

// Draw a line horizontally
void drawHorizontalLine(int16_t x, int16_t y, int16_t length);

// Draw a line vertically
void drawVerticalLine(int16_t x, int16_t y, int16_t length);

// Draw a bitmap in the internal image format
void drawFastImage(int16_t x, int16_t y, int16_t width, int16_t height, const char* image);

// Draw a XBM
void drawXbm(int16_t x, int16_t y, int16_t width, int16_t height, const char* xbm);
void drawString(int16_t x, int16_t y, String text);

// Draws a String with a maximum width at the given location.
// If the given String is wider than the specified width
// The text will be wrapped to the next line at a space or dash
void drawStringMaxWidth(int16_t x, int16_t y, int16_t maxLineWidth, String text);

// Returns the width of the const char* with the current
// font settings
uint16_t getStringWidth(const char* text, uint16_t length);

// Specifies relative to which anchor point
// the text is rendered. Available constants:
// TEXT_ALIGN_LEFT, TEXT_ALIGN_CENTER, TEXT_ALIGN_RIGHT, TEXT_ALIGN_CENTER_BOTH
void setTextAlignment(SSD1306_TEXT_ALIGNMENT textAlignment);

// Sets the current font. Available default fonts
// ArialMT_Plain_10, ArialMT_Plain_16, ArialMT_Plain_24
// Or create one with the font tool at http://oleddisplay.squix.ch
void setFont(const char* fontData);
/**
 * Initialise the display
 */
void init();

/**
 * Configure the internal used target FPS
 */
void setTargetFPS(uint8_t fps);

/**
 * Enable automatic transition to next frame after the some time can be configured with
 * `setTimePerFrame` and `setTimePerTransition`.
 */
void enableAutoTransition();

/**
 * Disable automatic transition to next frame.
 */
void disableAutoTransition();

/**
 * Set the direction if the automatic transitioning
 */
void setAutoTransitionForwards();
void setAutoTransitionBackwards();

/**
 *  Set the approx. time a frame is displayed
 */
void setTimePerFrame(uint16_t time);

/**
 * Set the approx. time a transition will take
 */
void setTimePerTransition(uint16_t time);

/**
 * Draw the indicator.
 * This is the default state for all frames if
 * the indicator was hidden on the previous frame
 * it will be slided in.
 */
void enableIndicator();

/**
 * Don't draw the indicator.
 * This will slide out the indicator
 * when transitioning to the next frame.
 */
void disableIndicator();

/**
 * Set the position of the indicator bar.
 */
void setIndicatorPosition(IndicatorPosition pos);

/**
 * Set the direction of the indicator bar. Defining the order of frames ASCENDING / DESCENDING
 */
void setIndicatorDirection(IndicatorDirection dir);

/**
 * Set the symbol to indicate an active frame in the indicator bar.
 */
void setActiveSymbol(const char* symbol);

/**
 * Set the symbol to indicate an inactive frame in the indicator bar.
 */
void setInactiveSymbol(const char* symbol);

/**
 * Configure what animation is used to transition from one frame to another
 */
void setFrameAnimation(AnimationDirection dir);

/**
 * Add frame drawing functions
 */
void setFrames(FrameCallback* frameFunctions, uint8_t frameCount);

/**
 * Add overlays drawing functions that are draw independent of the Frames
 */
void setOverlays(OverlayCallback* overlayFunctions, uint8_t overlayCount);

/**
 * Set the function that will draw each step
 * in the loading animation
 */
void setLoadingDrawFunction(LoadingDrawFunction stage);

/**
 * Run the loading process
 */
void runLoadingProcess(LoadingStage* stages, uint8_t stagesCount);

// Manuell Controll
void nextFrame();
void previousFrame();

// State Info
SSD1306UiState* getUiState();

// This needs to be called in the main loop
// the returned value it the remaining time (in ms)
// you have to draw after drawing to keep the frame budget.
int8_t update();