e-paper-display/bcm2835-1.71/e-Paper/Arduino/epd2in9/epd2in9.h

101 lines
3.7 KiB
C++

/**
* @filename : epd2in9.h
* @brief : Header file for e-paper display library epd2in9.cpp
* @author : Yehui from Waveshare
*
* Copyright (C) Waveshare September 5 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 EPD2IN9_H
#define EPD2IN9_H
#include "epdif.h"
// Display resolution
#define EPD_WIDTH 128
#define EPD_HEIGHT 296
// EPD2IN9 commands
#define DRIVER_OUTPUT_CONTROL 0x01
#define BOOSTER_SOFT_START_CONTROL 0x0C
#define GATE_SCAN_START_POSITION 0x0F
#define DEEP_SLEEP_MODE 0x10
#define DATA_ENTRY_MODE_SETTING 0x11
#define SW_RESET 0x12
#define TEMPERATURE_SENSOR_CONTROL 0x1A
#define MASTER_ACTIVATION 0x20
#define DISPLAY_UPDATE_CONTROL_1 0x21
#define DISPLAY_UPDATE_CONTROL_2 0x22
#define WRITE_RAM 0x24
#define WRITE_VCOM_REGISTER 0x2C
#define WRITE_LUT_REGISTER 0x32
#define SET_DUMMY_LINE_PERIOD 0x3A
#define SET_GATE_TIME 0x3B
#define BORDER_WAVEFORM_CONTROL 0x3C
#define SET_RAM_X_ADDRESS_START_END_POSITION 0x44
#define SET_RAM_Y_ADDRESS_START_END_POSITION 0x45
#define SET_RAM_X_ADDRESS_COUNTER 0x4E
#define SET_RAM_Y_ADDRESS_COUNTER 0x4F
#define TERMINATE_FRAME_READ_WRITE 0xFF
extern const unsigned char lut_full_update[];
extern const unsigned char lut_partial_update[];
class Epd : EpdIf {
public:
unsigned long width;
unsigned long height;
Epd();
~Epd();
int Init(const unsigned char* lut);
void SendCommand(unsigned char command);
void SendData(unsigned char data);
void WaitUntilIdle(void);
void Reset(void);
void SetFrameMemory(
const unsigned char* image_buffer,
int x,
int y,
int image_width,
int image_height
);
void SetFrameMemory(const unsigned char* image_buffer);
void ClearFrameMemory(unsigned char color);
void DisplayFrame(void);
void Sleep(void);
private:
unsigned int reset_pin;
unsigned int dc_pin;
unsigned int cs_pin;
unsigned int busy_pin;
const unsigned char* lut;
void SetLut(const unsigned char* lut);
void SetMemoryArea(int x_start, int y_start, int x_end, int y_end);
void SetMemoryPointer(int x, int y);
};
#endif /* EPD2IN9_H */
/* END OF FILE */