/***************************************************************************** * | File : EPD_2in13_V2.c * | Author : Waveshare team * | Function : 2.13inch e-paper V2 * | Info : *---------------- * | This version: V3.0 * | Date : 2019-06-13 * | Info : * ----------------------------------------------------------------------------- * V3.0(2019-06-13): * 1.Change name: * EPD_Reset() => EPD_2IN13_V2_Reset() * EPD_SendCommand() => EPD_2IN13_V2_SendCommand() * EPD_SendData() => EPD_2IN13_V2_SendData() * EPD_WaitUntilIdle() => EPD_2IN13_V2_ReadBusy() * EPD_Init() => EPD_2IN13_V2_Init() * EPD_Clear() => EPD_2IN13_V2_Clear() * EPD_Display() => EPD_2IN13_V2_Display() * EPD_Sleep() => EPD_2IN13_V2_Sleep() * 2.add: * EPD_2IN13_V2_DisplayPartBaseImage() * ----------------------------------------------------------------------------- * V2.0(2018-11-14): * 1.Remove:ImageBuff[EPD_HEIGHT * EPD_WIDTH / 8] * 2.Change:EPD_2IN13_V2_Display(UBYTE *Image) * Need to pass parameters: pointer to cached data * 3.Change: * EPD_RST -> EPD_RST_PIN * EPD_DC -> EPD_DC_PIN * EPD_CS -> EPD_CS_PIN * EPD_BUSY -> EPD_BUSY_PIN # # 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 "EPD_2in13_V2.h" #include "Debug.h" const unsigned char EPD_2IN13_V2_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 EPD_2IN13_V2_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, }; /****************************************************************************** function : Software reset parameter: ******************************************************************************/ static void EPD_2IN13_V2_Reset(void) { DEV_Digital_Write(EPD_RST_PIN, 1); DEV_Delay_ms(200); DEV_Digital_Write(EPD_RST_PIN, 0); DEV_Delay_ms(10); DEV_Digital_Write(EPD_RST_PIN, 1); DEV_Delay_ms(200); } /****************************************************************************** function : send command parameter: Reg : Command register ******************************************************************************/ static void EPD_2IN13_V2_SendCommand(UBYTE Reg) { DEV_Digital_Write(EPD_DC_PIN, 0); DEV_Digital_Write(EPD_CS_PIN, 0); DEV_SPI_WriteByte(Reg); DEV_Digital_Write(EPD_CS_PIN, 1); } /****************************************************************************** function : send data parameter: Data : Write data ******************************************************************************/ static void EPD_2IN13_V2_SendData(UBYTE Data) { DEV_Digital_Write(EPD_DC_PIN, 1); DEV_Digital_Write(EPD_CS_PIN, 0); DEV_SPI_WriteByte(Data); DEV_Digital_Write(EPD_CS_PIN, 1); } /****************************************************************************** function : Wait until the busy_pin goes LOW parameter: ******************************************************************************/ void EPD_2IN13_V2_ReadBusy(void) { Debug("e-Paper busy\r\n"); while(DEV_Digital_Read(EPD_BUSY_PIN) == 1) { //LOW: idle, HIGH: busy DEV_Delay_ms(100); } Debug("e-Paper busy release\r\n"); } /****************************************************************************** function : Turn On Display parameter: ******************************************************************************/ static void EPD_2IN13_V2_TurnOnDisplay(void) { EPD_2IN13_V2_SendCommand(0x22); EPD_2IN13_V2_SendData(0xC7); EPD_2IN13_V2_SendCommand(0x20); EPD_2IN13_V2_ReadBusy(); } /****************************************************************************** function : Turn On Display parameter: ******************************************************************************/ static void EPD_2IN13_V2_TurnOnDisplayPart(void) { EPD_2IN13_V2_SendCommand(0x22); EPD_2IN13_V2_SendData(0x0C); EPD_2IN13_V2_SendCommand(0x20); EPD_2IN13_V2_ReadBusy(); } /****************************************************************************** function : Initialize the e-Paper register parameter: ******************************************************************************/ void EPD_2IN13_V2_Init(UBYTE Mode) { UBYTE count; EPD_2IN13_V2_Reset(); if(Mode == EPD_2IN13_V2_FULL) { EPD_2IN13_V2_ReadBusy(); EPD_2IN13_V2_SendCommand(0x12); // soft reset EPD_2IN13_V2_ReadBusy(); EPD_2IN13_V2_SendCommand(0x74); //set analog block control EPD_2IN13_V2_SendData(0x54); EPD_2IN13_V2_SendCommand(0x7E); //set digital block control EPD_2IN13_V2_SendData(0x3B); EPD_2IN13_V2_SendCommand(0x01); //Driver output control EPD_2IN13_V2_SendData(0xF9); EPD_2IN13_V2_SendData(0x00); EPD_2IN13_V2_SendData(0x00); EPD_2IN13_V2_SendCommand(0x11); //data entry mode EPD_2IN13_V2_SendData(0x01); EPD_2IN13_V2_SendCommand(0x44); //set Ram-X address start/end position EPD_2IN13_V2_SendData(0x00); EPD_2IN13_V2_SendData(0x0F); //0x0C-->(15+1)*8=128 EPD_2IN13_V2_SendCommand(0x45); //set Ram-Y address start/end position EPD_2IN13_V2_SendData(0xF9); //0xF9-->(249+1)=250 EPD_2IN13_V2_SendData(0x00); EPD_2IN13_V2_SendData(0x00); EPD_2IN13_V2_SendData(0x00); EPD_2IN13_V2_SendCommand(0x3C); //BorderWavefrom EPD_2IN13_V2_SendData(0x03); EPD_2IN13_V2_SendCommand(0x2C); //VCOM Voltage EPD_2IN13_V2_SendData(0x55); // EPD_2IN13_V2_SendCommand(0x03); EPD_2IN13_V2_SendData(EPD_2IN13_V2_lut_full_update[70]); EPD_2IN13_V2_SendCommand(0x04); // EPD_2IN13_V2_SendData(EPD_2IN13_V2_lut_full_update[71]); EPD_2IN13_V2_SendData(EPD_2IN13_V2_lut_full_update[72]); EPD_2IN13_V2_SendData(EPD_2IN13_V2_lut_full_update[73]); EPD_2IN13_V2_SendCommand(0x3A); //Dummy Line EPD_2IN13_V2_SendData(EPD_2IN13_V2_lut_full_update[74]); EPD_2IN13_V2_SendCommand(0x3B); //Gate time EPD_2IN13_V2_SendData(EPD_2IN13_V2_lut_full_update[75]); EPD_2IN13_V2_SendCommand(0x32); for(count = 0; count < 70; count++) { EPD_2IN13_V2_SendData(EPD_2IN13_V2_lut_full_update[count]); } EPD_2IN13_V2_SendCommand(0x4E); // set RAM x address count to 0; EPD_2IN13_V2_SendData(0x00); EPD_2IN13_V2_SendCommand(0x4F); // set RAM y address count to 0X127; EPD_2IN13_V2_SendData(0xF9); EPD_2IN13_V2_SendData(0x00); EPD_2IN13_V2_ReadBusy(); } else if(Mode == EPD_2IN13_V2_PART) { EPD_2IN13_V2_SendCommand(0x2C); //VCOM Voltage EPD_2IN13_V2_SendData(0x26); EPD_2IN13_V2_ReadBusy(); EPD_2IN13_V2_SendCommand(0x32); for(count = 0; count < 70; count++) { EPD_2IN13_V2_SendData(EPD_2IN13_V2_lut_partial_update[count]); } EPD_2IN13_V2_SendCommand(0x37); EPD_2IN13_V2_SendData(0x00); EPD_2IN13_V2_SendData(0x00); EPD_2IN13_V2_SendData(0x00); EPD_2IN13_V2_SendData(0x00); EPD_2IN13_V2_SendData(0x40); EPD_2IN13_V2_SendData(0x00); EPD_2IN13_V2_SendData(0x00); EPD_2IN13_V2_SendCommand(0x22); EPD_2IN13_V2_SendData(0xC0); EPD_2IN13_V2_SendCommand(0x20); EPD_2IN13_V2_ReadBusy(); EPD_2IN13_V2_SendCommand(0x3C); //BorderWavefrom EPD_2IN13_V2_SendData(0x01); } else { Debug("error, the Mode is EPD_2IN13_FULL or EPD_2IN13_PART"); } } /****************************************************************************** function : Clear screen parameter: ******************************************************************************/ void EPD_2IN13_V2_Clear(void) { UWORD Width, Height; Width = (EPD_2IN13_V2_WIDTH % 8 == 0)? (EPD_2IN13_V2_WIDTH / 8 ): (EPD_2IN13_V2_WIDTH / 8 + 1); Height = EPD_2IN13_V2_HEIGHT; EPD_2IN13_V2_SendCommand(0x24); for (UWORD j = 0; j < Height; j++) { for (UWORD i = 0; i < Width; i++) { EPD_2IN13_V2_SendData(0XFF); } } EPD_2IN13_V2_TurnOnDisplay(); } /****************************************************************************** function : Sends the image buffer in RAM to e-Paper and displays parameter: ******************************************************************************/ void EPD_2IN13_V2_Display(UBYTE *Image) { UWORD Width, Height; Width = (EPD_2IN13_V2_WIDTH % 8 == 0)? (EPD_2IN13_V2_WIDTH / 8 ): (EPD_2IN13_V2_WIDTH / 8 + 1); Height = EPD_2IN13_V2_HEIGHT; EPD_2IN13_V2_SendCommand(0x24); for (UWORD j = 0; j < Height; j++) { for (UWORD i = 0; i < Width; i++) { EPD_2IN13_V2_SendData(Image[i + j * Width]); } } EPD_2IN13_V2_TurnOnDisplay(); } /****************************************************************************** function : The image of the previous frame must be uploaded, otherwise the first few seconds will display an exception. parameter: ******************************************************************************/ void EPD_2IN13_V2_DisplayPartBaseImage(UBYTE *Image) { UWORD Width, Height; Width = (EPD_2IN13_V2_WIDTH % 8 == 0)? (EPD_2IN13_V2_WIDTH / 8 ): (EPD_2IN13_V2_WIDTH / 8 + 1); Height = EPD_2IN13_V2_HEIGHT; UDOUBLE Addr = 0; EPD_2IN13_V2_SendCommand(0x24); for (UWORD j = 0; j < Height; j++) { for (UWORD i = 0; i < Width; i++) { Addr = i + j * Width; EPD_2IN13_V2_SendData(Image[Addr]); } } EPD_2IN13_V2_SendCommand(0x26); for (UWORD j = 0; j < Height; j++) { for (UWORD i = 0; i < Width; i++) { Addr = i + j * Width; EPD_2IN13_V2_SendData(Image[Addr]); } } EPD_2IN13_V2_TurnOnDisplay(); } void EPD_2IN13_V2_DisplayPart(UBYTE *Image) { UWORD Width, Height; Width = (EPD_2IN13_V2_WIDTH % 8 == 0)? (EPD_2IN13_V2_WIDTH / 8 ): (EPD_2IN13_V2_WIDTH / 8 + 1); Height = EPD_2IN13_V2_HEIGHT; EPD_2IN13_V2_SendCommand(0x24); for (UWORD j = 0; j < Height; j++) { for (UWORD i = 0; i < Width; i++) { EPD_2IN13_V2_SendData(Image[i + j * Width]); } } EPD_2IN13_V2_TurnOnDisplayPart(); } /****************************************************************************** function : Enter sleep mode parameter: ******************************************************************************/ void EPD_2IN13_V2_Sleep(void) { EPD_2IN13_V2_SendCommand(0x22); //POWER OFF EPD_2IN13_V2_SendData(0xC3); EPD_2IN13_V2_SendCommand(0x20); EPD_2IN13_V2_SendCommand(0x10); //enter deep sleep EPD_2IN13_V2_SendData(0x01); DEV_Delay_ms(100); }