345 lines
11 KiB
C
345 lines
11 KiB
C
/*****************************************************************************
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* | File : EPD_2in9_V2.c
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* | Author : Waveshare team
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* | Function : 2.9inch e-paper V2
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* | Info :
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*----------------
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* | This version: V1.0
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* | Date : 2020-10-20
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* | Info :
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* -----------------------------------------------------------------------------
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documnetation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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#
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******************************************************************************/
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#include "EPD_2in9_V2.h"
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#include "Debug.h"
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UBYTE _WF_PARTIAL_2IN9[159] =
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{
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0x0,0x40,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x80,0x80,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x40,0x40,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x0,0x80,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x0A,0x0,0x0,0x0,0x0,0x0,0x2,
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0x1,0x0,0x0,0x0,0x0,0x0,0x0,
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0x1,0x0,0x0,0x0,0x0,0x0,0x0,
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0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x0,0x0,0x0,0x0,0x0,0x0,0x0,
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0x22,0x22,0x22,0x22,0x22,0x22,0x0,0x0,0x0,
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0x22,0x17,0x41,0xB0,0x32,0x36,
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};
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UBYTE WS_20_30[159] =
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{
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0x80, 0x66, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0,
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0x10, 0x66, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0,
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0x80, 0x66, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0,
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0x10, 0x66, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0,
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0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
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0x14, 0x8, 0x0, 0x0, 0x0, 0x0, 0x1,
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0xA, 0xA, 0x0, 0xA, 0xA, 0x0, 0x1,
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0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
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0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
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0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
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0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
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0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
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0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
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0x14, 0x8, 0x0, 0x1, 0x0, 0x0, 0x1,
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0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1,
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0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
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0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
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0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x0, 0x0, 0x0,
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0x22, 0x17, 0x41, 0x0, 0x32, 0x36
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};
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/******************************************************************************
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function : Software reset
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parameter:
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******************************************************************************/
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static void EPD_2IN9_V2_Reset(void)
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{
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DEV_Digital_Write(EPD_RST_PIN, 1);
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DEV_Delay_ms(10);
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DEV_Digital_Write(EPD_RST_PIN, 0);
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DEV_Delay_ms(2);
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DEV_Digital_Write(EPD_RST_PIN, 1);
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DEV_Delay_ms(10);
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}
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/******************************************************************************
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function : send command
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parameter:
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Reg : Command register
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******************************************************************************/
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static void EPD_2IN9_V2_SendCommand(UBYTE Reg)
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{
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DEV_Digital_Write(EPD_DC_PIN, 0);
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DEV_Digital_Write(EPD_CS_PIN, 0);
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DEV_SPI_WriteByte(Reg);
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DEV_Digital_Write(EPD_CS_PIN, 1);
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}
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/******************************************************************************
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function : send data
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parameter:
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Data : Write data
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******************************************************************************/
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static void EPD_2IN9_V2_SendData(UBYTE Data)
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{
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DEV_Digital_Write(EPD_DC_PIN, 1);
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DEV_Digital_Write(EPD_CS_PIN, 0);
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DEV_SPI_WriteByte(Data);
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DEV_Digital_Write(EPD_CS_PIN, 1);
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}
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/******************************************************************************
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function : Wait until the busy_pin goes LOW
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parameter:
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******************************************************************************/
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void EPD_2IN9_V2_ReadBusy(void)
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{
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Debug("e-Paper busy\r\n");
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while(1)
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{ //=1 BUSY
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if(DEV_Digital_Read(EPD_BUSY_PIN)==0)
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break;
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DEV_Delay_ms(50);
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}
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DEV_Delay_ms(50);
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Debug("e-Paper busy release\r\n");
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}
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static void EPD_2IN9_V2_LUT(UBYTE *lut)
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{
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UBYTE count;
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EPD_2IN9_V2_SendCommand(0x32);
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for(count=0; count<153; count++)
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EPD_2IN9_V2_SendData(lut[count]);
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EPD_2IN9_V2_ReadBusy();
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}
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static void EPD_2IN9_V2_LUT_by_host(UBYTE *lut)
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{
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EPD_2IN9_V2_LUT((UBYTE *)lut); //lut
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EPD_2IN9_V2_SendCommand(0x3f);
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EPD_2IN9_V2_SendData(*(lut+153));
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EPD_2IN9_V2_SendCommand(0x03); // gate voltage
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EPD_2IN9_V2_SendData(*(lut+154));
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EPD_2IN9_V2_SendCommand(0x04); // source voltage
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EPD_2IN9_V2_SendData(*(lut+155)); // VSH
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EPD_2IN9_V2_SendData(*(lut+156)); // VSH2
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EPD_2IN9_V2_SendData(*(lut+157)); // VSL
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EPD_2IN9_V2_SendCommand(0x2c); // VCOM
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EPD_2IN9_V2_SendData(*(lut+158));
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}
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/******************************************************************************
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function : Turn On Display
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parameter:
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******************************************************************************/
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static void EPD_2IN9_V2_TurnOnDisplay(void)
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{
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EPD_2IN9_V2_SendCommand(0x22); //Display Update Control
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EPD_2IN9_V2_SendData(0xc7);
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EPD_2IN9_V2_SendCommand(0x20); //Activate Display Update Sequence
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EPD_2IN9_V2_ReadBusy();
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}
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static void EPD_2IN9_V2_TurnOnDisplay_Partial(void)
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{
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EPD_2IN9_V2_SendCommand(0x22); //Display Update Control
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EPD_2IN9_V2_SendData(0x0F);
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EPD_2IN9_V2_SendCommand(0x20); //Activate Display Update Sequence
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EPD_2IN9_V2_ReadBusy();
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}
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/******************************************************************************
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function : Setting the display window
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parameter:
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******************************************************************************/
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static void EPD_2IN9_V2_SetWindows(UWORD Xstart, UWORD Ystart, UWORD Xend, UWORD Yend)
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{
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EPD_2IN9_V2_SendCommand(0x44); // SET_RAM_X_ADDRESS_START_END_POSITION
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EPD_2IN9_V2_SendData((Xstart>>3) & 0xFF);
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EPD_2IN9_V2_SendData((Xend>>3) & 0xFF);
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EPD_2IN9_V2_SendCommand(0x45); // SET_RAM_Y_ADDRESS_START_END_POSITION
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EPD_2IN9_V2_SendData(Ystart & 0xFF);
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EPD_2IN9_V2_SendData((Ystart >> 8) & 0xFF);
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EPD_2IN9_V2_SendData(Yend & 0xFF);
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EPD_2IN9_V2_SendData((Yend >> 8) & 0xFF);
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}
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/******************************************************************************
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function : Set Cursor
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parameter:
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******************************************************************************/
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static void EPD_2IN9_V2_SetCursor(UWORD Xstart, UWORD Ystart)
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{
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EPD_2IN9_V2_SendCommand(0x4E); // SET_RAM_X_ADDRESS_COUNTER
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EPD_2IN9_V2_SendData(Xstart & 0xFF);
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EPD_2IN9_V2_SendCommand(0x4F); // SET_RAM_Y_ADDRESS_COUNTER
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EPD_2IN9_V2_SendData(Ystart & 0xFF);
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EPD_2IN9_V2_SendData((Ystart >> 8) & 0xFF);
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}
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/******************************************************************************
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function : Initialize the e-Paper register
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parameter:
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******************************************************************************/
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void EPD_2IN9_V2_Init(void)
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{
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EPD_2IN9_V2_Reset();
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DEV_Delay_ms(100);
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EPD_2IN9_V2_ReadBusy();
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EPD_2IN9_V2_SendCommand(0x12); // soft reset
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EPD_2IN9_V2_ReadBusy();
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EPD_2IN9_V2_SendCommand(0x01); //Driver output control
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EPD_2IN9_V2_SendData(0x27);
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EPD_2IN9_V2_SendData(0x01);
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EPD_2IN9_V2_SendData(0x00);
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EPD_2IN9_V2_SendCommand(0x11); //data entry mode
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EPD_2IN9_V2_SendData(0x03);
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EPD_2IN9_V2_SetWindows(0, 0, EPD_2IN9_V2_WIDTH-1, EPD_2IN9_V2_HEIGHT-1);
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EPD_2IN9_V2_SendCommand(0x21); // Display update control
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EPD_2IN9_V2_SendData(0x00);
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EPD_2IN9_V2_SendData(0x80);
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EPD_2IN9_V2_SetCursor(0, 0);
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EPD_2IN9_V2_ReadBusy();
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EPD_2IN9_V2_LUT_by_host(WS_20_30);
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}
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/******************************************************************************
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function : Clear screen
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parameter:
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******************************************************************************/
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void EPD_2IN9_V2_Clear(void)
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{
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UWORD i;
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EPD_2IN9_V2_SendCommand(0x24); //write RAM for black(0)/white (1)
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for(i=0;i<4736;i++)
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{
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EPD_2IN9_V2_SendData(0xff);
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}
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EPD_2IN9_V2_TurnOnDisplay();
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}
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/******************************************************************************
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function : Sends the image buffer in RAM to e-Paper and displays
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parameter:
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******************************************************************************/
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void EPD_2IN9_V2_Display(UBYTE *Image)
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{
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UWORD i;
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EPD_2IN9_V2_SendCommand(0x24); //write RAM for black(0)/white (1)
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for(i=0;i<4736;i++)
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{
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EPD_2IN9_V2_SendData(Image[i]);
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}
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EPD_2IN9_V2_TurnOnDisplay();
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}
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void EPD_2IN9_V2_Display_Base(UBYTE *Image)
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{
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UWORD i;
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EPD_2IN9_V2_SendCommand(0x24); //Write Black and White image to RAM
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for(i=0;i<4736;i++)
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{
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EPD_2IN9_V2_SendData(Image[i]);
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}
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EPD_2IN9_V2_SendCommand(0x26); //Write Black and White image to RAM
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for(i=0;i<4736;i++)
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{
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EPD_2IN9_V2_SendData(Image[i]);
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}
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EPD_2IN9_V2_TurnOnDisplay();
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}
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void EPD_2IN9_V2_Display_Partial(UBYTE *Image)
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{
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UWORD i;
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//Reset
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DEV_Digital_Write(EPD_RST_PIN, 0);
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DEV_Delay_ms(1);
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DEV_Digital_Write(EPD_RST_PIN, 1);
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DEV_Delay_ms(2);
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EPD_2IN9_V2_LUT(_WF_PARTIAL_2IN9);
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EPD_2IN9_V2_SendCommand(0x37);
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EPD_2IN9_V2_SendData(0x00);
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EPD_2IN9_V2_SendData(0x00);
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EPD_2IN9_V2_SendData(0x00);
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EPD_2IN9_V2_SendData(0x00);
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EPD_2IN9_V2_SendData(0x00);
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EPD_2IN9_V2_SendData(0x40);
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EPD_2IN9_V2_SendData(0x00);
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EPD_2IN9_V2_SendData(0x00);
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EPD_2IN9_V2_SendData(0x00);
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EPD_2IN9_V2_SendData(0x00);
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EPD_2IN9_V2_SendCommand(0x3C); //BorderWavefrom
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EPD_2IN9_V2_SendData(0x80);
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EPD_2IN9_V2_SendCommand(0x22);
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EPD_2IN9_V2_SendData(0xC0);
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EPD_2IN9_V2_SendCommand(0x20);
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EPD_2IN9_V2_ReadBusy();
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EPD_2IN9_V2_SetWindows(0, 0, EPD_2IN9_V2_WIDTH-1, EPD_2IN9_V2_HEIGHT-1);
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EPD_2IN9_V2_SetCursor(0, 0);
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EPD_2IN9_V2_SendCommand(0x24); //Write Black and White image to RAM
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for(i=0;i<4736;i++)
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{
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EPD_2IN9_V2_SendData(Image[i]);
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}
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EPD_2IN9_V2_TurnOnDisplay_Partial();
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}
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/******************************************************************************
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function : Enter sleep mode
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parameter:
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******************************************************************************/
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void EPD_2IN9_V2_Sleep(void)
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{
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EPD_2IN9_V2_SendCommand(0x10); //enter deep sleep
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EPD_2IN9_V2_SendData(0x01);
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DEV_Delay_ms(100);
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}
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