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epd3in7.h
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epd3in7.h
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/*****************************************************************************
* | File : EPD_3IN7.c
* | Author : Waveshare team
* | Function : 3.7inch e-paper
* | Info :
*----------------
* | This version: V1.0
* | Date : 2020-08-10
* | 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.
#
******************************************************************************/
static const UBYTE lut_1Gray_GC[] =
{
0x2A,0x05,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//1
0x05,0x2A,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//2
0x2A,0x15,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//3
0x05,0x0A,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//4
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//5
0x00,0x02,0x03,0x0A,0x00,0x02,0x06,0x0A,0x05,0x00,//6
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//7
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//8
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//9
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//10
0x22,0x22,0x22,0x22,0x22
};
static void EPD_3IN7_ReadBusy_HIGH(void)
{
Serial.print("e-Paper busy\r\n");
UBYTE busy;
do {
busy = digitalRead(BUSY_PIN);
delay(100);
} while(busy);
Serial.print("e-Paper busy release\r\n");
}
/******************************************************************************
function : set the look-up tables
parameter:
******************************************************************************/
static void EPD_3IN7_Load_LUT(void)
{
UWORD i;
EPD_SendCommand(0x32);
for (i = 0; i < 105; i++)
{
EPD_SendData(lut_1Gray_GC[i]);
}
}
/******************************************************************************
function : Initialize the e-Paper register
parameter:
******************************************************************************/
int EPD_3IN7_1Gray_Init()
{
EPD_Reset();
EPD_SendCommand(0x12);
delay(300);
EPD_SendCommand(0x46);
EPD_SendData(0xF7);
EPD_3IN7_ReadBusy_HIGH();
EPD_SendCommand(0x47);
EPD_SendData(0xF7);
EPD_3IN7_ReadBusy_HIGH();
EPD_SendCommand(0x01); // setting gaet number
EPD_SendData(0xDF);
EPD_SendData(0x01);
EPD_SendData(0x00);
EPD_SendCommand(0x03); // set gate voltage
EPD_SendData(0x00);
EPD_SendCommand(0x04); // set source voltage
EPD_SendData(0x41);
EPD_SendData(0xA8);
EPD_SendData(0x32);
EPD_SendCommand(0x11); // set data entry sequence
EPD_SendData(0x03);
EPD_SendCommand(0x3C); // set border
EPD_SendData(0x00);
EPD_SendCommand(0x0C); // set booster strength
EPD_SendData(0xAE);
EPD_SendData(0xC7);
EPD_SendData(0xC3);
EPD_SendData(0xC0);
EPD_SendData(0xC0);
EPD_SendCommand(0x18); // set internal sensor on
EPD_SendData(0x80);
EPD_SendCommand(0x2C); // set vcom value
EPD_SendData(0x44);
EPD_SendCommand(0x37); // set display option, these setting turn on previous function
EPD_SendData(0x00); //can switch 1 gray or 4 gray
EPD_SendData(0xFF);
EPD_SendData(0xFF);
EPD_SendData(0xFF);
EPD_SendData(0xFF);
EPD_SendData(0x4F);
EPD_SendData(0xFF);
EPD_SendData(0xFF);
EPD_SendData(0xFF);
EPD_SendData(0xFF);
EPD_SendCommand(0x44); // setting X direction start/end position of RAM
EPD_SendData(0x00);
EPD_SendData(0x00);
EPD_SendData(0x17);
EPD_SendData(0x01);
EPD_SendCommand(0x45); // setting Y direction start/end position of RAM
EPD_SendData(0x00);
EPD_SendData(0x00);
EPD_SendData(0xDF);
EPD_SendData(0x01);
EPD_SendCommand(0x22); // Display Update Control 2
EPD_SendData(0xCF);
EPD_SendCommand(0x4E);//Set Resolution setting
EPD_SendData(0x00);
EPD_SendData(0x00);
EPD_SendCommand(0x4F);
EPD_SendData(0x00);
EPD_SendData(0x00);
EPD_SendCommand(0x24);//begin write data to e-Paper
return 0;
}
/******************************************************************************
function : Sends the image buffer in RAM to e-Paper and displays
parameter:
******************************************************************************/
static void EPD_3IN7_1Gray_Show(void)
{
EPD_3IN7_Load_LUT();
EPD_SendCommand(0x20);
EPD_3IN7_ReadBusy_HIGH();
Serial.print("EPD_3IN7_Show END\r\n");
EPD_SendCommand(0X10); //deep sleep
EPD_SendData(0x03);
}