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/*
* OLED.hpp
*
* Created on: 20Jan.,2017
* Author: Ben V. Brown <Ralim>
* Designed for the SSD1307
* Cleared for release for TS100 2017/08/20
*/
#ifndef OLED_HPP_
#define OLED_HPP_
#include <hardware.h>
#include "stm32f1xx_hal.h"
#include <stdbool.h>
#include "FRToSI2C.hpp"
#include "Font.h"
#ifdef __cplusplus
extern "C" {
#endif
#include "FreeRTOS.h"
#ifdef __cplusplus
}
#endif
#define DEVICEADDR_OLED (0x3c<<1)
#define OLED_WIDTH 96
class OLED {
public:
OLED(FRToSI2C* i2cHandle); // Initialize Driver and store I2C pointer
void initialize(); // Startup the I2C coms (brings screen out of reset etc)
void refresh(); // Draw the buffer out to the LCD using the DMA Channel
void drawChar(char c, char preCursorCommand = '\0');// Draw a character to a specific location
void displayOnOff(bool on); // Turn the screen on or not
void setRotation(bool leftHanded); // Set the rotation for the screen
bool getRotation(); // Get the current rotation of the LCD
void print(const char* string); // Draw a string to the current location, with current font
void setCursor(int16_t x, int16_t y); // Set the cursor location by pixels
void setCharCursor(int16_t x, int16_t y); //Set cursor location by chars in current font
void setFont(uint8_t fontNumber);// (Future) Set the font that is being used
void drawImage(const uint8_t* buffer, uint8_t x, uint8_t width);
// Draws an image to the buffer, at x offset from top to bottom (fixed height renders)
void printNumber(uint16_t number, uint8_t places);
// Draws a number at the current cursor location
void clearScreen(); // Clears the buffer
void drawBattery(uint8_t state); // Draws the battery level symbol
void drawCheckbox(bool state); // Draws a checkbox
void drawSymbol(uint8_t symbolID);//Used for drawing symbols of a predictable width
void drawArea(int16_t x, int8_t y, uint8_t wide, uint8_t height,
const uint8_t* ptr);
private:
//Draw a buffer to the screen buffer
FRToSI2C* i2c; //i2c Pointer
const uint8_t* currentFont; // Pointer to the current font used for rendering to the buffer
uint8_t screenBuffer[12 + 96 + 96 + 10]; // The data buffer
uint8_t* firstStripPtr; // Pointers to the strips to allow for buffer having extra content
uint8_t* secondStripPtr; //Pointers to the strips
bool inLeftHandedMode; // Whether the screen is in left or not (used for offsets in GRAM)
bool displayOnOffState; // If the display is on or not
uint8_t fontWidth, fontHeight;
int16_t cursor_x, cursor_y;
uint8_t displayOffset;
};
#endif /* OLED_HPP_ */
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