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136 lines
4.4 KiB
C
136 lines
4.4 KiB
C
/*****************************************************************************
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* | File : EPD_2in66.c
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* | Author : Waveshare team
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* | Function : 2.66inch e-paper
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* | Info :
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*----------------
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* | This version: V1.0
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* | Date : 2020-08-10
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* | Info :
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* -----------------------------------------------------------------------------
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documnetation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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#
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******************************************************************************/
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// Display resolution
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#define EPD_2IN66_WIDTH 152
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#define EPD_2IN66_HEIGHT 296
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/******************************************************************************
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function : Wait until the busy_pin goes LOW
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parameter:
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******************************************************************************/
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static void EPD_2IN66_ReadBusy(void)
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{
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Serial.print("e-Paper busy\r\n");
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delay(100);
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while(digitalRead(PIN_SPI_BUSY) == 1) { //LOW: idle, HIGH: busy
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delay(100);
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}
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delay(100);
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Serial.print("e-Paper busy release\r\n");
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}
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/******************************************************************************
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function : Turn On Display
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parameter:
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******************************************************************************/
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static void EPD_2IN66_Show(void)
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{
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EPD_SendCommand(0x20);
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EPD_2IN66_ReadBusy();
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Serial.print("EPD_2IN66_Show END\r\n");
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EPD_SendCommand(0x10);//sleep
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EPD_SendData(0x01);
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}
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/******************************************************************************
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function : Initialize the e-Paper register
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parameter:
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******************************************************************************/
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int EPD_2IN66_Init(void)
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{
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EPD_Reset();
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EPD_2IN66_ReadBusy();
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EPD_SendCommand(0x12);//soft reset
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EPD_2IN66_ReadBusy();
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/* Y increment, X increment */
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EPD_SendCommand(0x11);
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EPD_SendData(0x03);
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/* Set RamX-address Start/End position */
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EPD_SendCommand(0x44);
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EPD_SendData(0x01);
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EPD_SendData((EPD_2IN66_WIDTH % 8 == 0)? (EPD_2IN66_WIDTH / 8 ): (EPD_2IN66_WIDTH / 8 + 1) );
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/* Set RamY-address Start/End position */
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EPD_SendCommand(0x45);
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EPD_SendData(0);
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EPD_SendData(0);
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EPD_SendData((EPD_2IN66_HEIGHT&0xff));
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EPD_SendData((EPD_2IN66_HEIGHT&0x100)>>8);
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EPD_2IN66_ReadBusy();
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EPD_SendCommand(0x24);//show
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return 0;
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}
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/******************************************************************************
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function : Initialize the e-Paper register
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parameter:
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******************************************************************************/
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int EPD_2IN66B_Init(void)
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{
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EPD_Reset();
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EPD_2IN66_ReadBusy();
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EPD_SendCommand(0x12);//soft reset
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EPD_2IN66_ReadBusy();
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EPD_SendCommand(0x11); //data entry mode
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EPD_SendData(0x03);
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EPD_SendCommand(0x44); // SET_RAM_X_ADDRESS_START_END_POSITION
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EPD_SendData((0>>3) & 0x1F);
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EPD_SendData(((EPD_2IN66_WIDTH-1)>>3) & 0x1F);
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EPD_SendCommand(0x45); // SET_RAM_Y_ADDRESS_START_END_POSITION
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EPD_SendData(0 & 0xFF);
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EPD_SendData((0 >> 8) & 0x01);
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EPD_SendData((EPD_2IN66_HEIGHT-1) & 0xFF);
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EPD_SendData(((EPD_2IN66_HEIGHT-1) >> 8) & 0x01);
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EPD_SendCommand(0x21); // Display update control
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EPD_SendData(0x00);
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EPD_SendData(0x80);
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EPD_SendCommand(0x4E); // SET_RAM_X_ADDRESS_COUNTER
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EPD_SendData(0 & 0x1F);
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EPD_SendCommand(0x4F); // SET_RAM_Y_ADDRESS_COUNTER
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EPD_SendData(0 & 0xFF);
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EPD_SendData((0 >> 8) & 0x01);
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EPD_2IN66_ReadBusy();
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EPD_SendCommand(0x24);//show
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return 0;
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}
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