ssd1327.hpp

/*
 * Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
 * Copyright (c) 2014 Intel Corporation.
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#pragma once

#include <string>
#include <mraa/i2c.hpp>
#include "lcd.hpp"
#include "ssd.hpp"

namespace upm
{
const uint8_t DISPLAY_CMD_SET_NORMAL = 0xA4;

class SSD1327 : public LCD
{
  public:
    SSD1327(int bus, int address = 0x3C);
    ~SSD1327();
    mraa::Result draw(uint8_t* data, int bytes);
    void setGrayLevel(uint8_t level);
    mraa::Result write(std::string msg);
    mraa::Result setCursor(int row, int column);
    mraa::Result clear();
    mraa::Result home();

  private:
    mraa::Result writeChar(uint8_t value);
    mraa::Result setNormalDisplay();
    mraa::Result setHorizontalMode();
    mraa::Result setVerticalMode();

    uint8_t grayHigh;
    uint8_t grayLow;

    int m_lcd_control_address;
    mraa::I2c m_i2c_lcd_control;
};
}