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waveshareteam-e-Paper/2.13inch_e-paper_d_code/RaspberryPi/bcm2835/obj/EPD_2in13d.c
hnwangkg-ezio ea758b02ef add arduino code
2019-04-08 17:50:14 +08:00

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/*****************************************************************************
* | File : EPD_2in13d.c
* | Author : Waveshare team
* | Function : Electronic paper driver
* | Info :
*----------------
* | This version: V2.0
* | Date : 2018-11-13
* | Info :
* 1.Remove:ImageBuff[EPD_HEIGHT * EPD_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
**/
const unsigned char 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,
};
const unsigned char 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,
};
const unsigned char 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,
};
const unsigned char 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,
};
const unsigned char 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
**/
const unsigned char 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,
};
const unsigned char 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,
};
const unsigned char 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,
};
const unsigned char 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,
};
const unsigned char 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_Reset(void)
{
DEV_Digital_Write(EPD_RST_PIN, 1);
DEV_Delay_ms(200);
DEV_Digital_Write(EPD_RST_PIN, 0);
DEV_Delay_ms(200);
DEV_Digital_Write(EPD_RST_PIN, 1);
DEV_Delay_ms(200);
}
/******************************************************************************
function : send command
parameter:
Reg : Command register
******************************************************************************/
static void EPD_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_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:
******************************************************************************/
void EPD_WaitUntilIdle(void)
{
Debug("e-Paper busy\r\n");
UBYTE busy;
do {
EPD_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_SetFullReg(void)
{
EPD_SendCommand(0X50); //VCOM AND DATA INTERVAL SETTING
EPD_SendData(0xb7); //WBmode:VBDF 17|D7 VBDW 97 VBDB 57 WBRmode:VBDF F7 VBDW 77 VBDB 37 VBDR B7
unsigned int count;
EPD_SendCommand(0x20);
for(count=0; count<44; count++) {
EPD_SendData(lut_vcomDC[count]);
}
EPD_SendCommand(0x21);
for(count=0; count<42; count++) {
EPD_SendData(lut_ww[count]);
}
EPD_SendCommand(0x22);
for(count=0; count<42; count++) {
EPD_SendData(lut_bw[count]);
}
EPD_SendCommand(0x23);
for(count=0; count<42; count++) {
EPD_SendData(lut_wb[count]);
}
EPD_SendCommand(0x24);
for(count=0; count<42; count++) {
EPD_SendData(lut_bb[count]);
}
}
/******************************************************************************
function : LUT download
parameter:
******************************************************************************/
static void EPD_SetPartReg(void)
{
EPD_SendCommand(0x82); //vcom_DC setting
EPD_SendData(0x00);
EPD_SendCommand(0X50);
EPD_SendData(0xb7);
unsigned int count;
EPD_SendCommand(0x20);
for(count=0; count<44; count++) {
EPD_SendData(lut_vcom1[count]);
}
EPD_SendCommand(0x21);
for(count=0; count<42; count++) {
EPD_SendData(lut_ww1[count]);
}
EPD_SendCommand(0x22);
for(count=0; count<42; count++) {
EPD_SendData(lut_bw1[count]);
}
EPD_SendCommand(0x23);
for(count=0; count<42; count++) {
EPD_SendData(lut_wb1[count]);
}
EPD_SendCommand(0x24);
for(count=0; count<42; count++) {
EPD_SendData(lut_bb1[count]);
}
}
/******************************************************************************
function : Turn On Display
parameter:
******************************************************************************/
static void EPD_TurnOnDisplay(void)
{
EPD_SendCommand(0x12); //DISPLAY REFRESH
DEV_Delay_ms(10); //!!!The delay here is necessary, 200uS at least!!!
EPD_WaitUntilIdle();
}
/******************************************************************************
function : Initialize the e-Paper register
parameter:
******************************************************************************/
UBYTE EPD_Init()
{
EPD_Reset();
EPD_SendCommand(0x01); //POWER SETTING
EPD_SendData(0x03);
EPD_SendData(0x00);
EPD_SendData(0x2b);
EPD_SendData(0x2b);
EPD_SendData(0x03);
EPD_SendCommand(0x06); //boost soft start
EPD_SendData(0x17); //A
EPD_SendData(0x17); //B
EPD_SendData(0x17); //C
EPD_SendCommand(0x04);
EPD_WaitUntilIdle();
EPD_SendCommand(0x00); //panel setting
EPD_SendData(0xbf); //LUT from OTP，128x296
EPD_SendData(0x0e); //VCOM to 0V fast
EPD_SendCommand(0x30); //PLL setting
EPD_SendData(0x3a); // 3a 100HZ 29 150Hz 39 200HZ 31 171HZ
EPD_SendCommand(0x61); //resolution setting
EPD_SendData(EPD_WIDTH);
EPD_SendData((EPD_HEIGHT >> 8) & 0xff);
EPD_SendData(EPD_HEIGHT& 0xff);
EPD_SendCommand(0x82); //vcom_DC setting
EPD_SendData(0x28);
return 0;
}
/******************************************************************************
function : Clear screen
parameter:
******************************************************************************/
void EPD_Clear(void)
{
UWORD Width, Height;
Width = (EPD_WIDTH % 8 == 0)? (EPD_WIDTH / 8 ): (EPD_WIDTH / 8 + 1);
Height = EPD_HEIGHT;
EPD_SendCommand(0x10);
for (UWORD j = 0; j < Height; j++) {
for (UWORD i = 0; i < Width; i++) {
EPD_SendData(0x00);
}
}
EPD_SendCommand(0x13);
for (UWORD j = 0; j < Height; j++) {
for (UWORD i = 0; i < Width; i++) {
EPD_SendData(0xFF);
}
}
EPD_SetFullReg();
EPD_TurnOnDisplay();
}
/******************************************************************************
function : Sends the image buffer in RAM to e-Paper and displays
parameter:
******************************************************************************/
void EPD_Display(UBYTE *Image)
{
UWORD Width, Height;
Width = (EPD_WIDTH % 8 == 0)? (EPD_WIDTH / 8 ): (EPD_WIDTH / 8 + 1);
Height = EPD_HEIGHT;
EPD_SendCommand(0x10);
for (UWORD j = 0; j < Height; j++) {
for (UWORD i = 0; i < Width; i++) {
EPD_SendData(0x00);
}
}
// Dev_Delay_ms(10);
EPD_SendCommand(0x13);
for (UWORD j = 0; j < Height; j++) {
for (UWORD i = 0; i < Width; i++) {
EPD_SendData(Image[i + j * Width]);
}
}
// Dev_Delay_ms(10);
EPD_SetFullReg();
EPD_TurnOnDisplay();
}
/******************************************************************************
function : Sends the image buffer in RAM to e-Paper and displays
parameter:
******************************************************************************/
void EPD_DisplayPartial(UBYTE *Image)
{
/* Set partial Windows */
EPD_SetPartReg();
EPD_SendCommand(0x91); //This command makes the display enter partial mode
EPD_SendCommand(0x90); //resolution setting
EPD_SendData(0); //x-start
EPD_SendData(EPD_WIDTH - 1); //x-end
EPD_SendData(0);
EPD_SendData(0); //y-start
EPD_SendData(EPD_HEIGHT / 256);
EPD_SendData(EPD_HEIGHT % 256 - 1); //y-end
EPD_SendData(0x28);
UWORD Width;
Width = (EPD_WIDTH % 8 == 0)? (EPD_WIDTH / 8 ): (EPD_WIDTH / 8 + 1);
/* send data */
EPD_SendCommand(0x10);
for (UWORD j = 0; j < EPD_HEIGHT; j++) {
for (UWORD i = 0; i < Width; i++) {
EPD_SendData(~Image[i + j * Width]);
}
}
EPD_SendCommand(0x13);
for (UWORD j = 0; j < EPD_HEIGHT; j++) {
for (UWORD i = 0; i < Width; i++) {
EPD_SendData(Image[i + j * Width]);
}
}
/* Set partial refresh */
EPD_TurnOnDisplay();
}
/******************************************************************************
function : Enter sleep mode
parameter:
******************************************************************************/
void EPD_Sleep(void)
{
EPD_SendCommand(0X50);
EPD_SendData(0xf7);
EPD_SendCommand(0X02); //power off
EPD_SendCommand(0X07); //deep sleep
EPD_SendData(0xA5);
}
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