ssd1327.h

/*
 * 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 "i2clcd.h"
#include "ssd.h"

namespace upm {

#define DISPLAY_CMD_SET_NORMAL      0xA4

class SSD1327 : public I2CLcd {
    public:
        SSD1327 (int bus, int address=0x3C);
        ~SSD1327 ();
        mraa_result_t draw(uint8_t *data, int bytes);
        mraa_result_t setGrayLevel (uint8_t level);
        mraa_result_t write(std::string msg);
        mraa_result_t setCursor(int row, int column);
        mraa_result_t clear();
        mraa_result_t home();

    private:
        mraa_result_t writeChar (mraa_i2c_context ctx, uint8_t value);
        mraa_result_t setNormalDisplay ();
        mraa_result_t setHorizontalMode ();
        mraa_result_t setVerticalMode ();

        uint8_t grayHigh;
        uint8_t grayLow;
    };
}