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eink-api/Pico_ePaper_Code/c/lib/e-Paper/EPD_2in13d.c
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aeroreyna b7e3dde91a initial commit, display with commands working
2026-01-03 20:37:58 -05:00

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/*****************************************************************************
* | File : EPD_2in13d.c
* | Author : Waveshare team
* | Function : 2.13inch e-paper d
* | Info :
*----------------
* | This version: V3.0
* | Date : 2019-06-12
* | Info :
* -----------------------------------------------------------------------------
* V3.0(2019-06-12):
* 1.Change:
* lut_vcomDC[] => EPD_2IN13D_lut_vcomDC[]
* lut_ww[] => EPD_2IN13D_lut_ww[]
* lut_bw[] => EPD_2IN13D_lut_bw[]
* lut_wb[] => EPD_2IN13D_lut_wb[]
* lut_bb[] => EPD_2IN13D_lut_bb[]
* lut_vcom1[] => EPD_2IN13D_lut_vcom1[]
* lut_ww1[] => EPD_2IN13D_lut_ww1[]
* lut_bw1[] => EPD_2IN13D_lut_bw1[]
* lut_wb1[] => EPD_2IN13D_lut_wb1[]
* lut_bb1[] => EPD_2IN13D_lut_bb1[]
* EPD_Reset() => EPD_2IN13D_Reset()
* EPD_SendCommand() => EPD_2IN13D_SendCommand()
* EPD_SendData() => EPD_2IN13D_SendData()
* EPD_WaitUntilIdle() => EPD_2IN13D_ReadBusy()
* EPD_SetFullReg() => EPD_2IN13D_SetFullReg()
* EPD_SetPartReg() => EPD_2IN13D_SetPartReg()
* EPD_TurnOnDisplay() => EPD_2IN13D_TurnOnDisplay()
* EPD_Init() => EPD_2IN13D_Init()
* EPD_Clear() => EPD_2IN13D_Clear()
* EPD_Display() => EPD_2IN13D_Display()
* EPD_Sleep() => EPD_2IN13D_Sleep()
* V2.0(2018-11-13):
* 1.Remove:ImageBuff[EPD_2IN13D_HEIGHT * EPD_2IN13D_WIDTH / 8]
* 2.Change:EPD_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_2in13d.h"
#include "Debug.h"
/**
* full screen update LUT
**/
static const unsigned char EPD_2IN13D_lut_vcomDC[] = {
0x00, 0x08, 0x00, 0x00, 0x00, 0x02,
0x60, 0x28, 0x28, 0x00, 0x00, 0x01,
0x00, 0x14, 0x00, 0x00, 0x00, 0x01,
0x00, 0x12, 0x12, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00,
};
static const unsigned char EPD_2IN13D_lut_ww[] = {
0x40, 0x08, 0x00, 0x00, 0x00, 0x02,
0x90, 0x28, 0x28, 0x00, 0x00, 0x01,
0x40, 0x14, 0x00, 0x00, 0x00, 0x01,
0xA0, 0x12, 0x12, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
static const unsigned char EPD_2IN13D_lut_bw[] = {
0x40, 0x17, 0x00, 0x00, 0x00, 0x02,
0x90, 0x0F, 0x0F, 0x00, 0x00, 0x03,
0x40, 0x0A, 0x01, 0x00, 0x00, 0x01,
0xA0, 0x0E, 0x0E, 0x00, 0x00, 0x02,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
static const unsigned char EPD_2IN13D_lut_wb[] = {
0x80, 0x08, 0x00, 0x00, 0x00, 0x02,
0x90, 0x28, 0x28, 0x00, 0x00, 0x01,
0x80, 0x14, 0x00, 0x00, 0x00, 0x01,
0x50, 0x12, 0x12, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
static const unsigned char EPD_2IN13D_lut_bb[] = {
0x80, 0x08, 0x00, 0x00, 0x00, 0x02,
0x90, 0x28, 0x28, 0x00, 0x00, 0x01,
0x80, 0x14, 0x00, 0x00, 0x00, 0x01,
0x50, 0x12, 0x12, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
/**
* partial screen update LUT
**/
static const unsigned char EPD_2IN13D_lut_vcom1[] = {
0x00, 0x19, 0x01, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00
,0x00, 0x00,
};
static const unsigned char EPD_2IN13D_lut_ww1[] = {
0x00, 0x19, 0x01, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
static const unsigned char EPD_2IN13D_lut_bw1[] = {
0x80, 0x19, 0x01, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
static const unsigned char EPD_2IN13D_lut_wb1[] = {
0x40, 0x19, 0x01, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
static const unsigned char EPD_2IN13D_lut_bb1[] = {
0x00, 0x19, 0x01, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
/******************************************************************************
function : Software reset
parameter:
******************************************************************************/
static void EPD_2IN13D_Reset(void)
{
DEV_Digital_Write(EPD_RST_PIN, 1);
DEV_Delay_ms(200);
DEV_Digital_Write(EPD_RST_PIN, 0);
DEV_Delay_ms(2);
DEV_Digital_Write(EPD_RST_PIN, 1);
DEV_Delay_ms(200);
}
/******************************************************************************
function : send command
parameter:
Reg : Command register
******************************************************************************/
static void EPD_2IN13D_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_2IN13D_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:
******************************************************************************/
static void EPD_2IN13D_ReadBusy(void)
{
Debug("e-Paper busy\r\n");
UBYTE busy;
do {
EPD_2IN13D_SendCommand(0x71);
busy = DEV_Digital_Read(EPD_BUSY_PIN);
busy =!(busy & 0x01);
} while(busy);
DEV_Delay_ms(200);
Debug("e-Paper busy release\r\n");
}
/******************************************************************************
function : LUT download
parameter:
******************************************************************************/
static void EPD_2IN13D_SetFullReg(void)
{
EPD_2IN13D_SendCommand(0X50); //VCOM AND DATA INTERVAL SETTING
EPD_2IN13D_SendData(0xb7); //WBmode:VBDF 17|D7 VBDW 97 VBDB 57 WBRmode:VBDF F7 VBDW 77 VBDB 37 VBDR B7
unsigned int count;
EPD_2IN13D_SendCommand(0x20);
for(count=0; count<44; count++) {
EPD_2IN13D_SendData(EPD_2IN13D_lut_vcomDC[count]);
}
EPD_2IN13D_SendCommand(0x21);
for(count=0; count<42; count++) {
EPD_2IN13D_SendData(EPD_2IN13D_lut_ww[count]);
}
EPD_2IN13D_SendCommand(0x22);
for(count=0; count<42; count++) {
EPD_2IN13D_SendData(EPD_2IN13D_lut_bw[count]);
}
EPD_2IN13D_SendCommand(0x23);
for(count=0; count<42; count++) {
EPD_2IN13D_SendData(EPD_2IN13D_lut_wb[count]);
}
EPD_2IN13D_SendCommand(0x24);
for(count=0; count<42; count++) {
EPD_2IN13D_SendData(EPD_2IN13D_lut_bb[count]);
}
}
/******************************************************************************
function : LUT download
parameter:
******************************************************************************/
static void EPD_2IN13D_SetPartReg(void)
{
EPD_2IN13D_SendCommand(0x82); //vcom_DC setting
EPD_2IN13D_SendData(0x00);
EPD_2IN13D_SendCommand(0X50);
EPD_2IN13D_SendData(0xb7);
unsigned int count;
EPD_2IN13D_SendCommand(0x20);
for(count=0; count<44; count++) {
EPD_2IN13D_SendData(EPD_2IN13D_lut_vcom1[count]);
}
EPD_2IN13D_SendCommand(0x21);
for(count=0; count<42; count++) {
EPD_2IN13D_SendData(EPD_2IN13D_lut_ww1[count]);
}
EPD_2IN13D_SendCommand(0x22);
for(count=0; count<42; count++) {
EPD_2IN13D_SendData(EPD_2IN13D_lut_bw1[count]);
}
EPD_2IN13D_SendCommand(0x23);
for(count=0; count<42; count++) {
EPD_2IN13D_SendData(EPD_2IN13D_lut_wb1[count]);
}
EPD_2IN13D_SendCommand(0x24);
for(count=0; count<42; count++) {
EPD_2IN13D_SendData(EPD_2IN13D_lut_bb1[count]);
}
}
/******************************************************************************
function : Turn On Display
parameter:
******************************************************************************/
static void EPD_2IN13D_TurnOnDisplay(void)
{
EPD_2IN13D_SendCommand(0x12); //DISPLAY REFRESH
DEV_Delay_ms(100); //!!!The delay here is necessary, 200uS at least!!!
EPD_2IN13D_ReadBusy();
}
/******************************************************************************
function : Initialize the e-Paper register
parameter:
******************************************************************************/
void EPD_2IN13D_Init()
{
EPD_2IN13D_Reset();
EPD_2IN13D_SendCommand(0x01); //POWER SETTING
EPD_2IN13D_SendData(0x03);
EPD_2IN13D_SendData(0x00);
EPD_2IN13D_SendData(0x2b);
EPD_2IN13D_SendData(0x2b);
EPD_2IN13D_SendData(0x03);
EPD_2IN13D_SendCommand(0x06); //boost soft start
EPD_2IN13D_SendData(0x17); //A
EPD_2IN13D_SendData(0x17); //B
EPD_2IN13D_SendData(0x17); //C
EPD_2IN13D_SendCommand(0x04);
EPD_2IN13D_ReadBusy();
EPD_2IN13D_SendCommand(0x00); //panel setting
EPD_2IN13D_SendData(0xbf); //LUT from OTPï¼?128x296
EPD_2IN13D_SendData(0x0e); //VCOM to 0V fast
EPD_2IN13D_SendCommand(0x30); //PLL setting
EPD_2IN13D_SendData(0x3a); // 3a 100HZ 29 150Hz 39 200HZ 31 171HZ
EPD_2IN13D_SendCommand(0x61); //resolution setting
EPD_2IN13D_SendData(EPD_2IN13D_WIDTH);
EPD_2IN13D_SendData((EPD_2IN13D_HEIGHT >> 8) & 0xff);
EPD_2IN13D_SendData(EPD_2IN13D_HEIGHT& 0xff);
EPD_2IN13D_SendCommand(0x82); //vcom_DC setting
EPD_2IN13D_SendData(0x28);
}
/******************************************************************************
function : Clear screen
parameter:
******************************************************************************/
void EPD_2IN13D_Clear(void)
{
UWORD Width, Height;
Width = (EPD_2IN13D_WIDTH % 8 == 0)? (EPD_2IN13D_WIDTH / 8 ): (EPD_2IN13D_WIDTH / 8 + 1);
Height = EPD_2IN13D_HEIGHT;
EPD_2IN13D_SendCommand(0x10);
for (UWORD j = 0; j < Height; j++) {
for (UWORD i = 0; i < Width; i++) {
EPD_2IN13D_SendData(0x00);
}
}
EPD_2IN13D_SendCommand(0x13);
for (UWORD j = 0; j < Height; j++) {
for (UWORD i = 0; i < Width; i++) {
EPD_2IN13D_SendData(0xff);
}
}
EPD_2IN13D_SetFullReg();
EPD_2IN13D_TurnOnDisplay();
}
/******************************************************************************
function : Sends the image buffer in RAM to e-Paper and displays
parameter:
******************************************************************************/
void EPD_2IN13D_Display(UBYTE *Image)
{
UWORD Width, Height;
Width = (EPD_2IN13D_WIDTH % 8 == 0)? (EPD_2IN13D_WIDTH / 8 ): (EPD_2IN13D_WIDTH / 8 + 1);
Height = EPD_2IN13D_HEIGHT;
EPD_2IN13D_SendCommand(0x10);
for (UWORD j = 0; j < Height; j++) {
for (UWORD i = 0; i < Width; i++) {
EPD_2IN13D_SendData(0x00);
}
}
// Dev_Delay_ms(10);
EPD_2IN13D_SendCommand(0x13);
for (UWORD j = 0; j < Height; j++) {
for (UWORD i = 0; i < Width; i++) {
EPD_2IN13D_SendData(Image[i + j * Width]);
}
}
// Dev_Delay_ms(10);
EPD_2IN13D_SetFullReg();
EPD_2IN13D_TurnOnDisplay();
}
/******************************************************************************
function : Sends the image buffer in RAM to e-Paper and displays
parameter:
******************************************************************************/
void EPD_2IN13D_DisplayPart(UBYTE *Image)
{
/* Set partial Windows */
EPD_2IN13D_SendCommand(0x91); //This command makes the display enter partial mode
EPD_2IN13D_SendCommand(0x90); //resolution setting
EPD_2IN13D_SendData(0); //x-start
EPD_2IN13D_SendData(EPD_2IN13D_WIDTH - 1); //x-end
EPD_2IN13D_SendData(0);
EPD_2IN13D_SendData(0); //y-start
EPD_2IN13D_SendData(EPD_2IN13D_HEIGHT / 256);
EPD_2IN13D_SendData(EPD_2IN13D_HEIGHT % 256 - 1); //y-end
EPD_2IN13D_SendData(0x28);
UWORD Width;
Width = (EPD_2IN13D_WIDTH % 8 == 0)? (EPD_2IN13D_WIDTH / 8 ): (EPD_2IN13D_WIDTH / 8 + 1);
/* send data */
EPD_2IN13D_SendCommand(0x10);
for (UWORD j = 0; j < EPD_2IN13D_HEIGHT; j++) {
for (UWORD i = 0; i < Width; i++) {
EPD_2IN13D_SendData(~Image[i + j * Width]);
}
}
EPD_2IN13D_SendCommand(0x13);
for (UWORD j = 0; j < EPD_2IN13D_HEIGHT; j++) {
for (UWORD i = 0; i < Width; i++) {
EPD_2IN13D_SendData(Image[i + j * Width]);
}
}
EPD_2IN13D_SetPartReg();
/* Set partial refresh */
EPD_2IN13D_TurnOnDisplay();
}
/******************************************************************************
function : Enter sleep mode
parameter:
******************************************************************************/
void EPD_2IN13D_Sleep(void)
{
EPD_2IN13D_SendCommand(0X50);
EPD_2IN13D_SendData(0xf7);
EPD_2IN13D_SendCommand(0X02); //power off
EPD_2IN13D_SendCommand(0X07); //deep sleep
EPD_2IN13D_SendData(0xA5);
}
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