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waveshareteam-e-Paper/RaspberryPi_JetsonNano/c/lib/e-Paper/EPD_1in02d.c
hnwangkg-ezio 04d4621789 2020-12-10
2020-12-11 14:36:30 +08:00

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/*****************************************************************************
* | File : EPD_1IN02_1in02.c
* | Author : Waveshare team
* | Function : Electronic paper driver
* | Info :
*----------------
* | This version: V1.0
* | Date : 2019-09-27
* | Info :
#
# 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_1in02d.h"
/**
* full screen update LUT
**/
const unsigned char lut_w1[] =
{
0x60 ,0x5A ,0x5A ,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_b1[] =
{
0x90 ,0x5A ,0x5A ,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 ,
};
/**
* partial screen update LUT
**/
const unsigned char lut_w[] =
{
0x60 ,0x01 ,0x01 ,0x00 ,0x00 ,0x01 ,
0x80 ,0x1f ,0x00 ,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 ,
};
const unsigned char lut_b[] =
{
0x90 ,0x01 ,0x01 ,0x00 ,0x00 ,0x01 ,
0x40 ,0x1f ,0x00 ,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 ,
};
/******************************************************************************
function : Software reset
parameter:
******************************************************************************/
static void EPD_1IN02_Reset(void)
{
DEV_Digital_Write(EPD_RST_PIN, 1);
DEV_Delay_ms(20);
DEV_Digital_Write(EPD_RST_PIN, 0);// Module reset
DEV_Delay_ms(2);
DEV_Digital_Write(EPD_RST_PIN, 1);
DEV_Delay_ms(20);
}
/******************************************************************************
function : send command
parameter:
command : Command register
******************************************************************************/
static void EPD_1IN02_SendCommand(UBYTE command)
{
DEV_Digital_Write(EPD_CS_PIN, 0);
DEV_Digital_Write(EPD_DC_PIN, 0);// command write
DEV_SPI_WriteByte(command);
DEV_Digital_Write(EPD_CS_PIN, 1);
}
/******************************************************************************
function : send data
parameter:
Data : Write data
******************************************************************************/
static void EPD_1IN02_SendData(UBYTE Data)
{
DEV_Digital_Write(EPD_CS_PIN, 0);
DEV_Digital_Write(EPD_DC_PIN, 1); // command write
DEV_SPI_WriteByte(Data);
DEV_Digital_Write(EPD_CS_PIN, 1);
}
/******************************************************************************
function : LUT download
******************************************************************************/
void EPD_1IN02_SetFulltReg(void)
{
unsigned int count;
EPD_1IN02_SendCommand(0x23);
for(count=0;count<42;count++)
{EPD_1IN02_SendData(lut_w1[count]);}
EPD_1IN02_SendCommand(0x24);
for(count=0;count<42;count++)
{EPD_1IN02_SendData(lut_b1[count]);}
}
/******************************************************************************
function : LUT download
******************************************************************************/
void EPD_1IN02_SetPartReg(void)
{
unsigned int count;
EPD_1IN02_SendCommand(0x23);
for(count=0;count<42;count++){
EPD_1IN02_SendData(lut_w[count]);
}
EPD_1IN02_SendCommand(0x24);
for(count=0;count<42;count++){
EPD_1IN02_SendData(lut_b[count]);
}
}
/******************************************************************************
function : Wait until the busy_pin goes LOW
******************************************************************************/
void EPD_1IN02_WaitUntilIdle(void)
{
unsigned char busy;
do
{
EPD_1IN02_SendCommand(0x71);
busy = DEV_Digital_Read(EPD_BUSY_PIN);
busy =!(busy & 0x01);
}
while(busy);
DEV_Delay_ms(800);
}
/******************************************************************************
function : Turn On Display
******************************************************************************/
void EPD_1IN02_TurnOnDisplay(void)
{
// EPD_1IN02_SendCommand(0x04); //power on
// EPD_1IN02_WaitUntilIdle();
EPD_1IN02_SendCommand(0x12); //Start refreshing the screen
DEV_Delay_ms(10);
EPD_1IN02_WaitUntilIdle();
// EPD_1IN02_SendCommand(0x02);
// EPD_1IN02_WaitUntilIdle(); //power off
}
/******************************************************************************
function :Initialize the e-Paper register
******************************************************************************/
UBYTE EPD_1IN02_Init(void)
{
EPD_1IN02_Reset();
EPD_1IN02_SendCommand(0xD2);
EPD_1IN02_SendData(0x3F);
EPD_1IN02_SendCommand(0x00);
EPD_1IN02_SendData (0x6F); //from outside
EPD_1IN02_SendCommand(0x01); //power setting
EPD_1IN02_SendData (0x03);
EPD_1IN02_SendData (0x00);
EPD_1IN02_SendData (0x2b);
EPD_1IN02_SendData (0x2b);
EPD_1IN02_SendCommand(0x06); //Configuring the charge pump
EPD_1IN02_SendData(0x3f);
EPD_1IN02_SendCommand(0x2A); //Setting XON and the options of LUT
EPD_1IN02_SendData(0x00);
EPD_1IN02_SendData(0x00);
EPD_1IN02_SendCommand(0x30); //Set the clock frequency
EPD_1IN02_SendData(0x17); //50Hz
EPD_1IN02_SendCommand(0x50); //Set VCOM and data output interval
EPD_1IN02_SendData(0x57);
EPD_1IN02_SendCommand(0x60); //Set The non-overlapping period of Gate and Source.
EPD_1IN02_SendData(0x22);
EPD_1IN02_SendCommand(0x61); //resolution setting
EPD_1IN02_SendData (0x50); //source 128
EPD_1IN02_SendData (0x80);
EPD_1IN02_SendCommand(0x82); //sets VCOM_DC value
EPD_1IN02_SendData(0x12); //-1v
EPD_1IN02_SendCommand(0xe3);//Set POWER SAVING
EPD_1IN02_SendData(0x33);
EPD_1IN02_SetFulltReg();
EPD_1IN02_SendCommand(0x04); //power on
EPD_1IN02_WaitUntilIdle();
return 0;
}
/******************************************************************************
function :Partial refresh initialization e-paper
******************************************************************************/
void EPD_1IN02_Part_Init(void)
{
EPD_1IN02_Reset();
EPD_1IN02_SendCommand(0xD2);
EPD_1IN02_SendData(0x3F);
EPD_1IN02_SendCommand(0x00);
EPD_1IN02_SendData (0x6F); //from outside
EPD_1IN02_SendCommand(0x01); //power setting
EPD_1IN02_SendData (0x03);
EPD_1IN02_SendData (0x00);
EPD_1IN02_SendData (0x2b);
EPD_1IN02_SendData (0x2b);
EPD_1IN02_SendCommand(0x06); //Configuring the charge pump
EPD_1IN02_SendData(0x3f);
EPD_1IN02_SendCommand(0x2A); //Setting XON and the options of LUT
EPD_1IN02_SendData(0x00);
EPD_1IN02_SendData(0x00);
EPD_1IN02_SendCommand(0x30); //Set the clock frequency
EPD_1IN02_SendData(0x17);
EPD_1IN02_SendCommand(0x50); //Set VCOM and data output interval
EPD_1IN02_SendData(0xf2);
EPD_1IN02_SendCommand(0x60); //Set The non-overlapping period of Gate and Source.
EPD_1IN02_SendData(0x22);
EPD_1IN02_SendCommand(0x82); //Set VCOM_DC value
EPD_1IN02_SendData(0x12);//-1v
EPD_1IN02_SendCommand(0xe3);//Set POWER SAVING
EPD_1IN02_SendData(0x33);
EPD_1IN02_SetPartReg();
EPD_1IN02_SendCommand(0x04);//Set POWER SAVING
EPD_1IN02_WaitUntilIdle();
}
/******************************************************************************
function : Clear screen
******************************************************************************/
void EPD_1IN02_Clear(void)
{
unsigned int i;
EPD_1IN02_SendCommand(0x10);
for(i=0;i<1280;i++){
EPD_1IN02_SendData(0X00);
}
EPD_1IN02_SendCommand(0x13); //Transfer new data
for(i=0;i<1280;i++){
EPD_1IN02_SendData(0xff);
}
EPD_1IN02_TurnOnDisplay();
}
/******************************************************************************
function : Sends the image buffer in RAM to e-Paper and displays
parameter:
Image :Displayed data
******************************************************************************/
void EPD_1IN02_Display(UBYTE *Image)
{
UWORD Width;
Width = (EPD_1IN02_WIDTH % 8 == 0)? (EPD_1IN02_WIDTH / 8 ): (EPD_1IN02_WIDTH / 8 + 1);
//EPD_1IN02_Init();
EPD_1IN02_SendCommand(0x10);
for (UWORD j = 0; j < EPD_1IN02_HEIGHT; j++) {
for (UWORD i = 0; i < Width; i++) {
EPD_1IN02_SendData(0xff);
}
}
EPD_1IN02_SendCommand(0x13);
for (UWORD j = 0; j < EPD_1IN02_HEIGHT; j++) {
for (UWORD i = 0; i < Width; i++) {
EPD_1IN02_SendData(Image[i + j * Width]);
}
}
EPD_1IN02_TurnOnDisplay();
}
/******************************************************************************
function : Sends the image buffer in RAM to e-Paper and displays
parameter:
old_Image: Last displayed data
Image2 : New data
******************************************************************************/
void EPD_1IN02_DisplayPartial(UBYTE *old_Image, UBYTE *Image)
{
/* Set partial Windows */
EPD_1IN02_SendCommand(0x91); //This command makes the display enter partial mode
EPD_1IN02_SendCommand(0x90); //resolution setting
EPD_1IN02_SendData(0); //x-start
EPD_1IN02_SendData(79); //x-end
EPD_1IN02_SendData(0);
EPD_1IN02_SendData(127); //y-end
EPD_1IN02_SendData(0x00);
UWORD Width;
Width = (EPD_1IN02_WIDTH % 8 == 0)? (EPD_1IN02_WIDTH / 8 ): (EPD_1IN02_WIDTH / 8 + 1);
/* send data */
EPD_1IN02_SendCommand(0x10);
for (UWORD j = 0; j < EPD_1IN02_HEIGHT; j++) {
for (UWORD i = 0; i < Width; i++) {
EPD_1IN02_SendData(old_Image[i + j * Width]);
}
}
EPD_1IN02_SendCommand(0x13);
for (UWORD j = 0; j < EPD_1IN02_HEIGHT; j++) {
for (UWORD i = 0; i < Width; i++) {
EPD_1IN02_SendData(Image[i + j * Width]);
}
}
/* Set partial refresh */
EPD_1IN02_TurnOnDisplay();
}
/******************************************************************************
function : Enter sleep mode
******************************************************************************/
void EPD_1IN02_Sleep(void)
{
EPD_1IN02_SendCommand(0X50);
EPD_1IN02_SendData(0xf7);
EPD_1IN02_SendCommand(0X02); //power off
EPD_1IN02_WaitUntilIdle();
EPD_1IN02_SendCommand(0X07); //deep sleep
EPD_1IN02_SendData(0xA5);
DEV_Delay_ms(200);
printf("Turn off the power!!! \r\n");
DEV_Digital_Write(EPD_RST_PIN, 0);// Module reset
}
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