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py32f0-template/Libraries/EPaper/Lib/EPD_2in13_V2.c
IOsetting f879eebe17 feat: lib and demo of waveshare e-paper
2023-03-10 02:20:01 +08:00

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/*****************************************************************************
* | 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"
#ifdef EPD_2IN13_V2
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)
{
EPD_Digital_Write(EPD_RST_PIN, 1);
EPD_Delay_ms(200);
EPD_Digital_Write(EPD_RST_PIN, 0);
EPD_Delay_ms(2);
EPD_Digital_Write(EPD_RST_PIN, 1);
EPD_Delay_ms(200);
}
/******************************************************************************
function : send command
parameter:
Reg : Command register
******************************************************************************/
static void EPD_2IN13_V2_SendCommand(UBYTE Reg)
{
EPD_Digital_Write(EPD_DC_PIN, 0);
EPD_Digital_Write(EPD_CS_PIN, 0);
EPD_SPI_WriteByte(Reg);
EPD_Digital_Write(EPD_CS_PIN, 1);
}
/******************************************************************************
function : send data
parameter:
Data : Write data
******************************************************************************/
static void EPD_2IN13_V2_SendData(UBYTE Data)
{
EPD_Digital_Write(EPD_DC_PIN, 1);
EPD_Digital_Write(EPD_CS_PIN, 0);
EPD_SPI_WriteByte(Data);
EPD_Digital_Write(EPD_CS_PIN, 1);
}
/******************************************************************************
function : Wait until the busy_pin goes LOW
parameter:
******************************************************************************/
void EPD_2IN13_V2_ReadBusy(void)
{
EPD_Printf("e-Paper busy\r\n");
while(EPD_Digital_Read(EPD_BUSY_PIN) == 1) { //LOW: idle, HIGH: busy
EPD_Delay_ms(100);
}
EPD_Printf("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 {
EPD_Printf("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);
EPD_Delay_ms(100);
}
#endif
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