add 4inch epd 4 grayscale.
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hnwangkg-ezio
parent
702def06bc
commit
8ed1b4696c
324 changed files with 14771 additions and 1979 deletions
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@ -25,7 +25,7 @@
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*/
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#include <stdlib.h>
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#include <epd4in2.h>
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#include "epd4in2.h"
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Epd::~Epd() {
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};
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@ -39,6 +39,7 @@ Epd::Epd() {
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height = EPD_HEIGHT;
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};
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int Epd::Init(void) {
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/* this calls the peripheral hardware interface, see epdif */
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if (IfInit() != 0) {
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@ -67,6 +68,50 @@ int Epd::Init(void) {
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return 0;
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}
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int Epd::Init_4Gray(void) {
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/* this calls the peripheral hardware interface, see epdif */
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if (IfInit() != 0) {
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return -1;
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}
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/* EPD hardware init start */
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Reset();
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SendCommand(0x01); //POWER SETTING
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SendData (0x03);
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SendData (0x00); //VGH=20V,VGL=-20V
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SendData (0x2b); //VDH=15V
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SendData (0x2b); //VDL=-15V
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SendData (0x13);
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SendCommand(0x06); //booster soft start
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SendData (0x17); //A
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SendData (0x17); //B
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SendData (0x17); //C
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SendCommand(0x04);
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WaitUntilIdle();
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SendCommand(0x00); //panel setting
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SendData(0x3f); //KW-3f KWR-2F BWROTP 0f BWOTP 1f
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SendCommand(0x30); //PLL setting
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SendData (0x3c); //100hz
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SendCommand(0x61); //resolution setting
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SendData (0x01); //400
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SendData (0x90);
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SendData (0x01); //300
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SendData (0x2c);
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SendCommand(0x82); //vcom_DC setting
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SendData (0x12);
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SendCommand(0X50); //VCOM AND DATA INTERVAL SETTING
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SendData(0x97);
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}
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/**
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* @brief: basic function for sending commands
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*/
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@ -87,8 +132,10 @@ void Epd::SendData(unsigned char data) {
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* @brief: Wait until the busy_pin goes HIGH
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*/
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void Epd::WaitUntilIdle(void) {
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SendCommand(0x71);
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while(DigitalRead(busy_pin) == 0) { //0: busy, 1: idle
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DelayMs(100);
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SendCommand(0x71);
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}
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}
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@ -134,6 +181,117 @@ void Epd::SetPartialWindow(const unsigned char* buffer_black, int x, int y, int
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SendCommand(PARTIAL_OUT);
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}
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void Epd::Set_4GrayDisplay(const char *Image, int x, int y, int w, int l)
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{
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int i,j,k,m;
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int z=0;
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unsigned char temp1,temp2,temp3;
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/****Color display description****
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white gray1 gray2 black
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0x10| 01 01 00 00
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0x13| 01 00 01 00
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*********************************/
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SendCommand(0x10);
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z=0;
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x= x/8*8;
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for(m = 0; m<EPD_HEIGHT;m++)
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for(i=0;i<EPD_WIDTH/8;i++)
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{
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if(i >= x/8 && i <(x+w)/8 && m >= y && m < y+l){
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temp3=0;
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for(j=0;j<2;j++)
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{
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temp1 = pgm_read_byte(&Image[z*2+j]);
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for(k=0;k<2;k++)
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{
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temp2 = temp1&0xC0 ;
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if(temp2 == 0xC0)
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temp3 |= 0x01;//white
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else if(temp2 == 0x00)
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temp3 |= 0x00; //black
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else if(temp2 == 0x80)
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temp3 |= 0x01; //gray1
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else //0x40
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temp3 |= 0x00; //gray2
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temp3 <<= 1;
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temp1 <<= 2;
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temp2 = temp1&0xC0 ;
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if(temp2 == 0xC0) //white
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temp3 |= 0x01;
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else if(temp2 == 0x00) //black
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temp3 |= 0x00;
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else if(temp2 == 0x80)
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temp3 |= 0x01; //gray1
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else //0x40
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temp3 |= 0x00; //gray2
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if(j!=1 || k!=1)
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temp3 <<= 1;
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temp1 <<= 2;
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}
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}
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z++;
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SendData(temp3);
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}else{
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SendData(0xff);
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}
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}
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// new data
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SendCommand(0x13);
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z=0;
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for(m = 0; m<EPD_HEIGHT;m++)
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for(i=0;i<EPD_WIDTH/8;i++)
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{
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if(i >= x/8 && i <(x+w)/8 && m >= y && m < y+l){
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temp3=0;
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for(j=0;j<2;j++)
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{
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temp1 = pgm_read_byte(&Image[z*2+j]);
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for(k=0;k<2;k++)
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{
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temp2 = temp1&0xC0 ;
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if(temp2 == 0xC0)
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temp3 |= 0x01;//white
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else if(temp2 == 0x00)
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temp3 |= 0x00; //black
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else if(temp2 == 0x80)
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temp3 |= 0x00; //gray1
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else //0x40
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temp3 |= 0x01; //gray2
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temp3 <<= 1;
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temp1 <<= 2;
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temp2 = temp1&0xC0 ;
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if(temp2 == 0xC0) //white
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temp3 |= 0x01;
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else if(temp2 == 0x00) //black
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temp3 |= 0x00;
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else if(temp2 == 0x80)
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temp3 |= 0x00; //gray1
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else //0x40
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temp3 |= 0x01; //gray2
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if(j!=1 || k!=1)
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temp3 <<= 1;
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temp1 <<= 2;
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}
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}
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z++;
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SendData(temp3);
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}else {
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SendData(0xff);
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}
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}
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set4Gray_lut();
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SendCommand(DISPLAY_REFRESH);
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DelayMs(100);
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WaitUntilIdle();
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}
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/**
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* @brief: set the look-up table
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*/
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@ -165,6 +323,35 @@ void Epd::SetLut(void) {
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}
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}
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void Epd::set4Gray_lut(void)
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{
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unsigned int count;
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{
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SendCommand(0x20); //vcom
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for(count=0;count<42;count++)
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{SendData(EPD_4IN2_4Gray_lut_vcom[count]);}
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SendCommand(0x21); //red not use
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for(count=0;count<42;count++)
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{SendData(EPD_4IN2_4Gray_lut_ww[count]);}
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SendCommand(0x22); //bw r
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for(count=0;count<42;count++)
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{SendData(EPD_4IN2_4Gray_lut_bw[count]);}
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SendCommand(0x23); //wb w
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for(count=0;count<42;count++)
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{SendData(EPD_4IN2_4Gray_lut_wb[count]);}
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SendCommand(0x24); //bb b
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for(count=0;count<42;count++)
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{SendData(EPD_4IN2_4Gray_lut_bb[count]);}
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SendCommand(0x25); //vcom
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for(count=0;count<42;count++)
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{SendData(EPD_4IN2_4Gray_lut_ww[count]);}
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}
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}
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/**
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* @brief: refresh and displays the frame
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*/
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@ -223,6 +410,10 @@ void Epd::ClearFrame(void) {
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SendData(0xFF);
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}
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DelayMs(2);
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SetLut();
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SendCommand(DISPLAY_REFRESH);
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DelayMs(100);
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WaitUntilIdle();
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}
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/**
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@ -316,11 +507,59 @@ const unsigned char lut_wb[] ={
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};
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/******************************gray*********************************/
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//0~3 gray
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const unsigned char EPD_4IN2_4Gray_lut_vcom[] =
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{
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0x00 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
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0x60 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
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0x00 ,0x14 ,0x00 ,0x00 ,0x00 ,0x01,
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0x00 ,0x13 ,0x0A ,0x01 ,0x00 ,0x01,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00
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};
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//R21
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const unsigned char EPD_4IN2_4Gray_lut_ww[] ={
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0x40 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
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0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
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0x10 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01,
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0xA0 ,0x13 ,0x01 ,0x00 ,0x00 ,0x01,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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};
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//R22H r
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const unsigned char EPD_4IN2_4Gray_lut_bw[] ={
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0x40 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
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0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
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0x00 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01,
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0x99 ,0x0C ,0x01 ,0x03 ,0x04 ,0x01,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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};
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//R23H w
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const unsigned char EPD_4IN2_4Gray_lut_wb[] ={
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0x40 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
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0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
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0x00 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01,
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0x99 ,0x0B ,0x04 ,0x04 ,0x01 ,0x01,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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};
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//R24H b
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const unsigned char EPD_4IN2_4Gray_lut_bb[] ={
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0x80 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
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0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
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0x20 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01,
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0x50 ,0x13 ,0x01 ,0x00 ,0x00 ,0x01,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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};
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/* END OF FILE */
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