/**
 *  @filename   :   epd2in7.h
 *  @brief      :   Header file for e-paper library epd2in7.cpp
 *  @author     :   Yehui from Waveshare
 *  
 *  Copyright (C) Waveshare     August 10 2017
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documnetation 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
 * furished 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 OR 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.
 */

#ifndef EPD2IN7_H
#define EPD2IN7_H

#include "epdif.h"

// Display resolution
#define EPD_WIDTH       176
#define EPD_HEIGHT      264

// EPD2IN7 commands
#define PANEL_SETTING                               0x00
#define POWER_SETTING                               0x01
#define POWER_OFF                                   0x02
#define POWER_OFF_SEQUENCE_SETTING                  0x03
#define POWER_ON                                    0x04
#define POWER_ON_MEASURE                            0x05
#define BOOSTER_SOFT_START                          0x06
#define DEEP_SLEEP                                  0x07
#define DATA_START_TRANSMISSION_1                   0x10
#define DATA_STOP                                   0x11
#define DISPLAY_REFRESH                             0x12
#define DATA_START_TRANSMISSION_2                   0x13
#define PARTIAL_DATA_START_TRANSMISSION_1           0x14 
#define PARTIAL_DATA_START_TRANSMISSION_2           0x15 
#define PARTIAL_DISPLAY_REFRESH                     0x16
#define LUT_FOR_VCOM                                0x20 
#define LUT_WHITE_TO_WHITE                          0x21
#define LUT_BLACK_TO_WHITE                          0x22
#define LUT_WHITE_TO_BLACK                          0x23
#define LUT_BLACK_TO_BLACK                          0x24
#define PLL_CONTROL                                 0x30
#define TEMPERATURE_SENSOR_COMMAND                  0x40
#define TEMPERATURE_SENSOR_CALIBRATION              0x41
#define TEMPERATURE_SENSOR_WRITE                    0x42
#define TEMPERATURE_SENSOR_READ                     0x43
#define VCOM_AND_DATA_INTERVAL_SETTING              0x50
#define LOW_POWER_DETECTION                         0x51
#define TCON_SETTING                                0x60
#define TCON_RESOLUTION                             0x61
#define SOURCE_AND_GATE_START_SETTING               0x62
#define GET_STATUS                                  0x71
#define AUTO_MEASURE_VCOM                           0x80
#define VCOM_VALUE                                  0x81
#define VCM_DC_SETTING_REGISTER                     0x82
#define PROGRAM_MODE                                0xA0
#define ACTIVE_PROGRAM                              0xA1
#define READ_OTP_DATA                               0xA2

extern const unsigned char lut_vcom_dc[];
extern const unsigned char lut_ww[];
extern const unsigned char lut_bw[];
extern const unsigned char lut_bb[];
extern const unsigned char lut_wb[];

class Epd : EpdIf {
public:
    unsigned int width;
    unsigned int height;

    Epd();
    ~Epd();
    int  Init(void);
    void SendCommand(unsigned char command);
    void SendData(unsigned char data);
    void WaitUntilIdle(void);
    void Reset(void);
    void SetLut(void);
    void TransmitPartialData(const unsigned char* buffer, int x, int y, int w, int l);
    void RefreshPartial(int x, int y, int w, int l);
    void DisplayFrame(const unsigned char* frame_buffer);
    void DisplayFrame(void);
    void ClearFrame(void);
    void Sleep(void);
    
    void Init_4Gray(void);
    void gray_SetLut(void);
    void Display4Gray(const unsigned char *Image);

private:
    unsigned int reset_pin;
    unsigned int dc_pin;
    unsigned int cs_pin;
    unsigned int busy_pin;
};

#endif /* EPD2IN7_H */

/* END OF FILE */
