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epd2in66.h
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epd2in66.h
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/*****************************************************************************
* | File : EPD_2in66.c
* | Author : Waveshare team
* | Function : 2.66inch 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.
#
******************************************************************************/
// Display resolution
#define EPD_2IN66_WIDTH 152
#define EPD_2IN66_HEIGHT 296
/******************************************************************************
function : Wait until the busy_pin goes LOW
parameter:
******************************************************************************/
static void EPD_2IN66_ReadBusy(void)
{
Serial.print("e-Paper busy\r\n");
delay(100);
while(digitalRead(BUSY_PIN) == 1) { //LOW: idle, HIGH: busy
delay(100);
}
delay(100);
Serial.print("e-Paper busy release\r\n");
}
/******************************************************************************
function : Turn On Display
parameter:
******************************************************************************/
static void EPD_2IN66_Show(void)
{
EPD_SendCommand(0x20);
EPD_2IN66_ReadBusy();
Serial.print("EPD_2IN66_Show END\r\n");
EPD_SendCommand(0x10);//sleep
EPD_SendData(0x01);
}
/******************************************************************************
function : Initialize the e-Paper register
parameter:
******************************************************************************/
int EPD_2IN66_Init(void)
{
EPD_Reset();
EPD_2IN66_ReadBusy();
EPD_SendCommand(0x12);//soft reset
EPD_2IN66_ReadBusy();
/* Y increment, X increment */
EPD_SendCommand(0x11);
EPD_SendData(0x03);
/* Set RamX-address Start/End position */
EPD_SendCommand(0x44);
EPD_SendData(0x01);
EPD_SendData((EPD_2IN66_WIDTH % 8 == 0)? (EPD_2IN66_WIDTH / 8 ): (EPD_2IN66_WIDTH / 8 + 1) );
/* Set RamY-address Start/End position */
EPD_SendCommand(0x45);
EPD_SendData(0);
EPD_SendData(0);
EPD_SendData((EPD_2IN66_HEIGHT&0xff));
EPD_SendData((EPD_2IN66_HEIGHT&0x100)>>8);
EPD_2IN66_ReadBusy();
EPD_SendCommand(0x24);//show
return 0;
}
/******************************************************************************
function : Initialize the e-Paper register
parameter:
******************************************************************************/
int EPD_2IN66B_Init(void)
{
EPD_Reset();
EPD_2IN66_ReadBusy();
EPD_SendCommand(0x12);//soft reset
EPD_2IN66_ReadBusy();
EPD_SendCommand(0x11); //data entry mode
EPD_SendData(0x03);
EPD_SendCommand(0x44); // SET_RAM_X_ADDRESS_START_END_POSITION
EPD_SendData((0>>3) & 0x1F);
EPD_SendData(((EPD_2IN66_WIDTH-1)>>3) & 0x1F);
EPD_SendCommand(0x45); // SET_RAM_Y_ADDRESS_START_END_POSITION
EPD_SendData(0 & 0xFF);
EPD_SendData((0 >> 8) & 0x01);
EPD_SendData((EPD_2IN66_HEIGHT-1) & 0xFF);
EPD_SendData(((EPD_2IN66_HEIGHT-1) >> 8) & 0x01);
EPD_SendCommand(0x21); // Display update control
EPD_SendData(0x00);
EPD_SendData(0x80);
EPD_SendCommand(0x4E); // SET_RAM_X_ADDRESS_COUNTER
EPD_SendData(0 & 0x1F);
EPD_SendCommand(0x4F); // SET_RAM_Y_ADDRESS_COUNTER
EPD_SendData(0 & 0xFF);
EPD_SendData((0 >> 8) & 0x01);
EPD_2IN66_ReadBusy();
EPD_SendCommand(0x24);//show
return 0;
}