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			316 lines
		
	
	
		
			9.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			316 lines
		
	
	
		
			9.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*****************************************************************************
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| * | File      	:	EPD_5in83b_V2.c
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| * | Author      :   Waveshare team
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| * | Function    :   Electronic paper driver
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| * | Info        :
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| *----------------
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| * |	This version:   V1.0
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| * | Date        :   2020-07-04
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| * | Info        :
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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_5in83b_V2.h"
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| 
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| #ifdef EPD_5IN83B_V2
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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_5IN83B_V2_Reset(void)
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| {
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| 	EPD_Digital_Write(EPD_RST_PIN, 1);
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| 	EPD_Delay_ms(200);
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| 	EPD_Digital_Write(EPD_RST_PIN, 0);
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| 	EPD_Delay_ms(1);
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| 	EPD_Digital_Write(EPD_RST_PIN, 1);
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| 	EPD_Delay_ms(200);
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| }
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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_5IN83B_V2_SendCommand(UBYTE Reg)
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| {
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| 	EPD_Digital_Write(EPD_DC_PIN, 0);
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| 	EPD_Digital_Write(EPD_CS_PIN, 0);
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| 	EPD_SPI_WriteByte(Reg);
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| 	EPD_Digital_Write(EPD_CS_PIN, 1);
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| }
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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_5IN83B_V2_SendData(UBYTE Data)
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| {
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| 	EPD_Digital_Write(EPD_CS_PIN, 0);
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| 	EPD_Digital_Write(EPD_DC_PIN, 1);
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| 	EPD_SPI_WriteByte(Data);
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| 	EPD_Digital_Write(EPD_CS_PIN, 1);
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| }
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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_5IN83B_V2_WaitUntilIdle(void)
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| {
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|   EPD_Printf("e-Paper busy\r\n");
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| 	UBYTE busy;
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| 	do
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| 	{
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| 		EPD_5IN83B_V2_SendCommand(0x71);
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| 		busy = EPD_Digital_Read(EPD_BUSY_PIN);
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| 		busy =!(busy & 0x01);
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| 	}
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| 	while(busy);   
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| 	EPD_Delay_ms(200);     
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|   EPD_Printf("e-Paper busy release\r\n");
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| }
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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_5IN83B_V2_TurnOnDisplay(void)
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| {
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| 	EPD_5IN83B_V2_SendCommand(0x12);			//DISPLAY REFRESH 	
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| 	EPD_Delay_ms(100);	        //!!!The delay here is necessary, 200uS at least!!!     
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| 	EPD_5IN83B_V2_WaitUntilIdle();        //waiting for the electronic paper IC to release the idle signal
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| }
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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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| UBYTE EPD_5IN83B_V2_Init(void)
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| {
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| 	EPD_5IN83B_V2_Reset();
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| 	EPD_5IN83B_V2_WaitUntilIdle();
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| 	EPD_5IN83B_V2_SendCommand(0x01);			//POWER SETTING
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| 	EPD_5IN83B_V2_SendData (0x07);
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| 	EPD_5IN83B_V2_SendData (0x07);    //VGH=20V,VGL=-20V
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| 	EPD_5IN83B_V2_SendData (0x3f);		//VDH=15V
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| 	EPD_5IN83B_V2_SendData (0x3f);		//VDL=-15V
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| 
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| 	EPD_5IN83B_V2_SendCommand(0x04); //POWER ON
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| 	EPD_Delay_ms(100);  
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| 	EPD_5IN83B_V2_WaitUntilIdle();        //waiting for the electronic paper IC to release the idle signal
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| 
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| 	EPD_5IN83B_V2_SendCommand(0X00);			//PANNEL SETTING
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| 	EPD_5IN83B_V2_SendData(0x0F);   //KW-3f   KWR-2F	BWROTP 0f	BWOTP 1f
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| 
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| 	EPD_5IN83B_V2_SendCommand(0x61);        	//tres			
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| 	EPD_5IN83B_V2_SendData (0x02);		//source 648
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| 	EPD_5IN83B_V2_SendData (0x88);
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| 	EPD_5IN83B_V2_SendData (0x01);		//gate 480
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| 	EPD_5IN83B_V2_SendData (0xe0);
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| 
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| 	EPD_5IN83B_V2_SendCommand(0X15);		
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| 	EPD_5IN83B_V2_SendData(0x00);		
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| 
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| 	EPD_5IN83B_V2_SendCommand(0X50);			//VCOM AND DATA INTERVAL SETTING
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| 	EPD_5IN83B_V2_SendData(0x11);
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| 	EPD_5IN83B_V2_SendData(0x07);
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| 
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| 	EPD_5IN83B_V2_SendCommand(0X60);			//TCON SETTING
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| 	EPD_5IN83B_V2_SendData(0x22);
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| 
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| 	return 0;
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| }
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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_5IN83B_V2_Clear(void)
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| {
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| 	UWORD Width, Height;
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| 	Width =(EPD_5IN83B_V2_WIDTH % 8 == 0)?(EPD_5IN83B_V2_WIDTH / 8 ):(EPD_5IN83B_V2_WIDTH / 8 + 1);
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| 	Height = EPD_5IN83B_V2_HEIGHT;
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| 	UWORD i;
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| 	EPD_5IN83B_V2_SendCommand(0x10);
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| 	for(i=0; i<Width*Height; i++) {
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| 		EPD_5IN83B_V2_SendData(0xff);
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| 
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| 	}
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| 	EPD_5IN83B_V2_SendCommand(0x13);
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| 	for(i=0; i<Width*Height; i++)	{
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| 		EPD_5IN83B_V2_SendData(0x00);
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| 
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| 	}
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| 	EPD_5IN83B_V2_TurnOnDisplay();
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| }
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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_5IN83B_V2_Clear_C(UBYTE color)
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| {
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| 	UWORD Width, Height;
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| 	Width =(EPD_5IN83B_V2_WIDTH % 8 == 0)?(EPD_5IN83B_V2_WIDTH / 8 ):(EPD_5IN83B_V2_WIDTH / 8 + 1);
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| 	Height = EPD_5IN83B_V2_HEIGHT;
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| 	UWORD i;
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| 	if(color == 0) {
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| 	EPD_5IN83B_V2_SendCommand(0x10);
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| 	for(i=0; i<Width*Height; i++) {
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| 		EPD_5IN83B_V2_SendData(0xff);
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| 
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| 	}
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| 	EPD_5IN83B_V2_SendCommand(0x13);
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| 	for(i=0; i<Width*Height; i++)	{
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| 		EPD_5IN83B_V2_SendData(0x00);
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| 
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| 	}
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| }
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| 	else if(color == 1) {
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| 	EPD_5IN83B_V2_SendCommand(0x10);
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| 	for(i=0; i<Width*Height; i++) {
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| 		EPD_5IN83B_V2_SendData(0xff);
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| 
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| 	}
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| 	EPD_5IN83B_V2_SendCommand(0x13);
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| 	for(i=0; i<Width*Height; i++)	{
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| 		EPD_5IN83B_V2_SendData(0xff);
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| 
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| 	}
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| }
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| 	else if(color == 2) {
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| 	EPD_5IN83B_V2_SendCommand(0x10);
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| 	for(i=0; i<Width*Height; i++) {
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| 		EPD_5IN83B_V2_SendData(0x00);
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| 
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| 	}
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| 	EPD_5IN83B_V2_SendCommand(0x13);
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| 	for(i=0; i<Width*Height; i++)	{
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| 		EPD_5IN83B_V2_SendData(0x00);
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| 
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| 	}
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| }
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| 	EPD_5IN83B_V2_TurnOnDisplay();
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| }
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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_5IN83B_V2_Display(const UBYTE *blackimage, const UBYTE *ryimage)
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| {
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| 	UDOUBLE Width, Height;
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| 	Width =(EPD_5IN83B_V2_WIDTH % 8 == 0)?(EPD_5IN83B_V2_WIDTH / 8 ):(EPD_5IN83B_V2_WIDTH / 8 + 1);
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| 	Height = EPD_5IN83B_V2_HEIGHT;
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| 	//send black data
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| 	EPD_5IN83B_V2_SendCommand(0x10);
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| 	for (UDOUBLE j = 0; j < Height; j++) {
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| 		for (UDOUBLE i = 0; i < Width; i++) {
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| 			EPD_5IN83B_V2_SendData(blackimage[i + j * Width]);
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| 		}
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| 	}
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| 	//send red data
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| 	EPD_5IN83B_V2_SendCommand(0x13);
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| 	for (UDOUBLE j = 0; j < Height; j++) {
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| 		for (UDOUBLE i = 0; i < Width; i++) {
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| 			EPD_5IN83B_V2_SendData(~ryimage[i + j * Width]);
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| 		}
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| 	}
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| 	EPD_5IN83B_V2_TurnOnDisplay();
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| }
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| 
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| void EPD_5IN83B_V2_DisplayPicture(const UBYTE *blackimage,UBYTE Block)
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| {
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| 	UDOUBLE Width, Height;
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| 	Width =(EPD_5IN83B_V2_WIDTH % 8 == 0)?(EPD_5IN83B_V2_WIDTH / 8 ):(EPD_5IN83B_V2_WIDTH / 8 + 1);
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| 	Height = EPD_5IN83B_V2_HEIGHT;
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| 
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| 	if(Block == 0){
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| 		EPD_5IN83B_V2_SendCommand(0x10);
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|     for (UDOUBLE j = 0; j < Height/4; j++) {
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|         for (UDOUBLE i = 0; i < Width; i++) {
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|             EPD_5IN83B_V2_SendData(blackimage[i + j * Width]);
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|         }
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|     }		
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| 	}else if(Block == 1){
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| 		for (UDOUBLE j = 0; j < Height/4; j++) {
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|         for (UDOUBLE i = 0; i < Width; i++) {
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|             EPD_5IN83B_V2_SendData(blackimage[i + j * Width]);
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|         }
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|     }
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| 	}else if(Block == 2){
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| 		for (UDOUBLE j = 0; j < Height/4; j++) {
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|         for (UDOUBLE i = 0; i < Width; i++) {
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|             EPD_5IN83B_V2_SendData(blackimage[i + j * Width]);
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|         }
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|     }
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| 	}else if(Block == 3){
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| 		for (UDOUBLE j = 0; j < Height/4; j++) {
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|         for (UDOUBLE i = 0; i < Width; i++) {
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|             EPD_5IN83B_V2_SendData(blackimage[i + j * Width]);
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|         }
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|     }
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| 	}
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| 	else if(Block == 4){
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| 		EPD_5IN83B_V2_SendCommand(0x13);
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|     for (UDOUBLE j = 0; j < Height/4; j++) {
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|         for (UDOUBLE i = 0; i < Width; i++) {
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|             EPD_5IN83B_V2_SendData(~blackimage[i + j * Width]);
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|         }
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|     }
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| 	}else if(Block == 5){
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| 		for (UDOUBLE j = 0; j < Height/4; j++) {
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|         for (UDOUBLE i = 0; i < Width; i++) {
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|             EPD_5IN83B_V2_SendData(~blackimage[i + j * Width]);
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|         }
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|     }
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| 	}else if(Block == 6){
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| 		for (UDOUBLE j = 0; j < Height/4; j++) {
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|         for (UDOUBLE i = 0; i < Width; i++) {
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|             EPD_5IN83B_V2_SendData(~blackimage[i + j * Width]);
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|         }
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|     }
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| 	}else if(Block == 7){
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| 		for (UDOUBLE j = 0; j < Height/4; j++) {
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|         for (UDOUBLE i = 0; i < Width; i++) {
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|             EPD_5IN83B_V2_SendData(~blackimage[i + j * Width]);
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|         }
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|     }
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| 		EPD_5IN83B_V2_TurnOnDisplay();
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| 	}
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| }
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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_5IN83B_V2_Sleep(void)
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| {
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| 	EPD_5IN83B_V2_SendCommand(0X02);  	//power off
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| 	EPD_5IN83B_V2_WaitUntilIdle();        //waiting for the electronic paper IC to release the idle signal
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| 	EPD_5IN83B_V2_SendCommand(0X07);  	//deep sleep
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| 	EPD_5IN83B_V2_SendData(0xA5);
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| }
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| 
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| #endif
 | 
