/***************************************************************************** * | File : epd2in13_V2.cpp * | Author : Waveshare team * | Function : 2.13inch e-paper V2 * | Info : *---------------- * | This version: V1.0 * | Date : 2019-06-24 * | Info : # # 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. # ******************************************************************************/ #include #include "epd2in13_V2.h" const unsigned char lut_full_update[]= { 0x80,0x60,0x40,0x00,0x00,0x00,0x00, //LUT0: BB: VS 0 ~7 0x10,0x60,0x20,0x00,0x00,0x00,0x00, //LUT1: BW: VS 0 ~7 0x80,0x60,0x40,0x00,0x00,0x00,0x00, //LUT2: WB: VS 0 ~7 0x10,0x60,0x20,0x00,0x00,0x00,0x00, //LUT3: WW: VS 0 ~7 0x00,0x00,0x00,0x00,0x00,0x00,0x00, //LUT4: VCOM: VS 0 ~7 0x03,0x03,0x00,0x00,0x02, // TP0 A~D RP0 0x09,0x09,0x00,0x00,0x02, // TP1 A~D RP1 0x03,0x03,0x00,0x00,0x02, // TP2 A~D RP2 0x00,0x00,0x00,0x00,0x00, // TP3 A~D RP3 0x00,0x00,0x00,0x00,0x00, // TP4 A~D RP4 0x00,0x00,0x00,0x00,0x00, // TP5 A~D RP5 0x00,0x00,0x00,0x00,0x00, // TP6 A~D RP6 0x15,0x41,0xA8,0x32,0x30,0x0A, }; const unsigned char lut_partial_update[]= { //20 bytes 0x00,0x00,0x00,0x00,0x00,0x00,0x00, //LUT0: BB: VS 0 ~7 0x80,0x00,0x00,0x00,0x00,0x00,0x00, //LUT1: BW: VS 0 ~7 0x40,0x00,0x00,0x00,0x00,0x00,0x00, //LUT2: WB: VS 0 ~7 0x00,0x00,0x00,0x00,0x00,0x00,0x00, //LUT3: WW: VS 0 ~7 0x00,0x00,0x00,0x00,0x00,0x00,0x00, //LUT4: VCOM: VS 0 ~7 0x0A,0x00,0x00,0x00,0x00, // TP0 A~D RP0 0x00,0x00,0x00,0x00,0x00, // TP1 A~D RP1 0x00,0x00,0x00,0x00,0x00, // TP2 A~D RP2 0x00,0x00,0x00,0x00,0x00, // TP3 A~D RP3 0x00,0x00,0x00,0x00,0x00, // TP4 A~D RP4 0x00,0x00,0x00,0x00,0x00, // TP5 A~D RP5 0x00,0x00,0x00,0x00,0x00, // TP6 A~D RP6 0x15,0x41,0xA8,0x32,0x30,0x0A, }; Epd::~Epd() { }; Epd::Epd() { reset_pin = RST_PIN; dc_pin = DC_PIN; cs_pin = CS_PIN; busy_pin = BUSY_PIN; width = EPD_WIDTH; height = EPD_HEIGHT; }; /** * @brief: basic function for sending commands */ void Epd::SendCommand(unsigned char command) { DigitalWrite(dc_pin, LOW); SpiTransfer(command); } /** * @brief: basic function for sending data */ void Epd::SendData(unsigned char data) { DigitalWrite(dc_pin, HIGH); SpiTransfer(data); } /** * @brief: Wait until the busy_pin goes HIGH */ void Epd::WaitUntilIdle(void) { while(1) { //LOW: idle, HIGH: busy if(DigitalRead(busy_pin) == 0) break; DelayMs(100); } } int Epd::Init(char Mode) { /* this calls the peripheral hardware interface, see epdif */ if (IfInit() != 0) { return -1; } Reset(); int count; if(Mode == FULL) { WaitUntilIdle(); SendCommand(0x12); // soft reset WaitUntilIdle(); SendCommand(0x74); //set analog block control SendData(0x54); SendCommand(0x7E); //set digital block control SendData(0x3B); SendCommand(0x01); //Driver output control SendData(0xF9); SendData(0x00); SendData(0x00); SendCommand(0x11); //data entry mode SendData(0x01); SendCommand(0x44); //set Ram-X address start/end position SendData(0x00); SendData(0x0F); //0x0C-->(15+1)*8=128 SendCommand(0x45); //set Ram-Y address start/end position SendData(0xF9); //0xF9-->(249+1)=250 SendData(0x00); SendData(0x00); SendData(0x00); SendCommand(0x3C); //BorderWavefrom SendData(0x03); SendCommand(0x2C); //VCOM Voltage SendData(0x55); // SendCommand(0x03); SendData(lut_full_update[70]); SendCommand(0x04); // SendData(lut_full_update[71]); SendData(lut_full_update[72]); SendData(lut_full_update[73]); SendCommand(0x3A); //Dummy Line SendData(lut_full_update[74]); SendCommand(0x3B); //Gate time SendData(lut_full_update[75]); SendCommand(0x32); for(count = 0; count < 70; count++) { SendData(lut_full_update[count]); } SendCommand(0x4E); // set RAM x address count to 0; SendData(0x00); SendCommand(0x4F); // set RAM y address count to 0X127; SendData(0xF9); SendData(0x00); WaitUntilIdle(); } else if(Mode == PART) { SendCommand(0x2C); //VCOM Voltage SendData(0x26); WaitUntilIdle(); SendCommand(0x32); for(count = 0; count < 70; count++) { SendData(lut_partial_update[count]); } SendCommand(0x37); SendData(0x00); SendData(0x00); SendData(0x00); SendData(0x00); SendData(0x40); SendData(0x00); SendData(0x00); SendCommand(0x22); SendData(0xC0); SendCommand(0x20); WaitUntilIdle(); SendCommand(0x3C); //BorderWavefrom SendData(0x01); } else { return -1; } return 0; } /** * @brief: module reset. * often used to awaken the module in deep sleep, * see Epd::Sleep(); */ void Epd::Reset(void) { DigitalWrite(reset_pin, HIGH); DelayMs(200); DigitalWrite(reset_pin, LOW); //module reset DelayMs(10); DigitalWrite(reset_pin, HIGH); DelayMs(200); } void Epd::Clear(void) { int w, h; w = (EPD_WIDTH % 8 == 0)? (EPD_WIDTH / 8 ): (EPD_WIDTH / 8 + 1); h = EPD_HEIGHT; SendCommand(0x24); for (int j = 0; j < h; j++) { for (int i = 0; i < w; i++) { SendData(0xff); } } //DISPLAY REFRESH SendCommand(0x22); SendData(0xC7); SendCommand(0x20); WaitUntilIdle(); } void Epd::Display(const unsigned char* frame_buffer) { int w = (EPD_WIDTH % 8 == 0)? (EPD_WIDTH / 8 ): (EPD_WIDTH / 8 + 1); int h = EPD_HEIGHT; if (frame_buffer != NULL) { SendCommand(0x24); for (int j = 0; j < h; j++) { for (int i = 0; i < w; i++) { SendData(pgm_read_byte(&frame_buffer[i + j * w])); } } } //DISPLAY REFRESH SendCommand(0x22); SendData(0xC7); SendCommand(0x20); WaitUntilIdle(); } void Epd::DisplayPartBaseImage(const unsigned char* frame_buffer) { int w = (EPD_WIDTH % 8 == 0)? (EPD_WIDTH / 8 ): (EPD_WIDTH / 8 + 1); int h = EPD_HEIGHT; if (frame_buffer != NULL) { SendCommand(0x24); for (int j = 0; j < h; j++) { for (int i = 0; i < w; i++) { SendData(pgm_read_byte(&frame_buffer[i + j * w])); } } SendCommand(0x26); for (int j = 0; j < h; j++) { for (int i = 0; i < w; i++) { SendData(pgm_read_byte(&frame_buffer[i + j * w])); } } } //DISPLAY REFRESH SendCommand(0x22); SendData(0xC7); SendCommand(0x20); WaitUntilIdle(); } void Epd::DisplayPart(const unsigned char* frame_buffer) { int w = (EPD_WIDTH % 8 == 0)? (EPD_WIDTH / 8 ): (EPD_WIDTH / 8 + 1); int h = EPD_HEIGHT; if (frame_buffer != NULL) { SendCommand(0x24); for (int j = 0; j < h; j++) { for (int i = 0; i < w; i++) { SendData(pgm_read_byte(&frame_buffer[i + j * w])); } } } //DISPLAY REFRESH SendCommand(0x22); SendData(0x0C); SendCommand(0x20); WaitUntilIdle(); } void Epd::ClearPart(void) { int w, h; w = (EPD_WIDTH % 8 == 0)? (EPD_WIDTH / 8 ): (EPD_WIDTH / 8 + 1); h = EPD_HEIGHT; SendCommand(0x24); for (int j = 0; j < h; j++) { for (int i = 0; i < w; i++) { SendData(0xff); } } //DISPLAY REFRESH SendCommand(0x22); SendData(0x0C); SendCommand(0x20); WaitUntilIdle(); } /** * @brief: After this command is transmitted, the chip would enter the * deep-sleep mode to save power. * The deep sleep mode would return to standby by hardware reset. * The only one parameter is a check code, the command would be * executed if check code = 0xA5. * You can use Epd::Init() to awaken */ void Epd::Sleep() { SendCommand(0x10); //enter deep sleep SendData(0x01); DelayMs(200); DigitalWrite(reset_pin, LOW); } /* END OF FILE */