initial commit, display with commands working
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aeroreyna
259
Pico_ePaper_Code/c/lib/e-Paper/EPD_2in66.c
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259
Pico_ePaper_Code/c/lib/e-Paper/EPD_2in66.c
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/*****************************************************************************
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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 : 2020-07-29
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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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#include "EPD_2in66.h"
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#include "Debug.h"
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const unsigned char WF_PARTIAL[159] ={
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0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x40,0x40,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x0A,0x00,0x00,0x00,0x00,0x00,0x02,0x01,0x00,0x00,
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0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x22,0x22,0x22,0x22,0x22,0x22,
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0x00,0x00,0x00,0x22,0x17,0x41,0xB0,0x32,0x36,
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};
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/******************************************************************************
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function : Software reset
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parameter:
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******************************************************************************/
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static void EPD_2IN66_Reset(void)
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{
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DEV_Digital_Write(EPD_RST_PIN, 1);
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DEV_Delay_ms(200);
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DEV_Digital_Write(EPD_RST_PIN, 0);
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DEV_Delay_ms(2);
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DEV_Digital_Write(EPD_RST_PIN, 1);
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DEV_Delay_ms(200);
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}
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/******************************************************************************
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function : send command
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parameter:
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Reg : Command register
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******************************************************************************/
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static void EPD_2IN66_SendCommand(UBYTE Reg)
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{
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DEV_Digital_Write(EPD_DC_PIN, 0);
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DEV_Digital_Write(EPD_CS_PIN, 0);
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DEV_SPI_WriteByte(Reg);
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DEV_Digital_Write(EPD_CS_PIN, 1);
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}
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/******************************************************************************
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function : send data
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parameter:
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Data : Write data
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******************************************************************************/
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static void EPD_2IN66_SendData(UBYTE Data)
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{
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DEV_Digital_Write(EPD_DC_PIN, 1);
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DEV_Digital_Write(EPD_CS_PIN, 0);
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DEV_SPI_WriteByte(Data);
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DEV_Digital_Write(EPD_CS_PIN, 1);
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}
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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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void EPD_2IN66_ReadBusy(void)
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{
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Debug("e-Paper busy\r\n");
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DEV_Delay_ms(100);
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while(DEV_Digital_Read(EPD_BUSY_PIN) == 1) { //LOW: idle, HIGH: busy
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DEV_Delay_ms(100);
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}
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DEV_Delay_ms(100);
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Debug("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_TurnOnDisplay(void)
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{
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EPD_2IN66_SendCommand(0x20);
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EPD_2IN66_ReadBusy();
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}
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/******************************************************************************
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function : Send LUT
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parameter:
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******************************************************************************/
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static void EPD_2IN66_SetLUA(void)
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{
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UWORD count;
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EPD_2IN66_SendCommand(0x32);
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for(count=0;count<153;count++){
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EPD_2IN66_SendData(WF_PARTIAL[count]);
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}
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EPD_2IN66_ReadBusy();
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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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void EPD_2IN66_Init(void)
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{
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EPD_2IN66_Reset();
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EPD_2IN66_ReadBusy();
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EPD_2IN66_SendCommand(0x12);//soft reset
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EPD_2IN66_ReadBusy();
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/* Y increment, X increment */
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EPD_2IN66_SendCommand(0x11);
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EPD_2IN66_SendData(0x03);
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/* Set RamX-address Start/End position */
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EPD_2IN66_SendCommand(0x44);
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EPD_2IN66_SendData(0x01);
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EPD_2IN66_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_2IN66_SendCommand(0x45);
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EPD_2IN66_SendData(0);
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EPD_2IN66_SendData(0);
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EPD_2IN66_SendData((EPD_2IN66_HEIGHT&0xff));
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EPD_2IN66_SendData((EPD_2IN66_HEIGHT&0x100)>>8);
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EPD_2IN66_ReadBusy();
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}
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/******************************************************************************
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function : Initialize the e-Paper register(Partial display)
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parameter:
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******************************************************************************/
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void EPD_2IN66_Init_Partial(void)
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{
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EPD_2IN66_Reset();
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EPD_2IN66_ReadBusy();
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EPD_2IN66_SendCommand(0x12);//soft reset
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EPD_2IN66_ReadBusy();
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EPD_2IN66_SetLUA();
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EPD_2IN66_SendCommand(0x37);
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EPD_2IN66_SendData(0x00);
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EPD_2IN66_SendData(0x00);
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EPD_2IN66_SendData(0x00);
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EPD_2IN66_SendData(0x00);
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EPD_2IN66_SendData(0x00);
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EPD_2IN66_SendData(0x40);
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EPD_2IN66_SendData(0x00);
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EPD_2IN66_SendData(0x00);
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EPD_2IN66_SendData(0x00);
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EPD_2IN66_SendData(0x00);
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/* Y increment, X increment */
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EPD_2IN66_SendCommand(0x11);
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EPD_2IN66_SendData(0x03);
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/* Set RamX-address Start/End position */
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EPD_2IN66_SendCommand(0x44);
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EPD_2IN66_SendData(0x01);
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EPD_2IN66_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_2IN66_SendCommand(0x45);
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EPD_2IN66_SendData(0);
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EPD_2IN66_SendData(0);
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EPD_2IN66_SendData((EPD_2IN66_HEIGHT&0xff));
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EPD_2IN66_SendData((EPD_2IN66_HEIGHT&0x100)>>8);
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EPD_2IN66_SendCommand(0x3C);
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EPD_2IN66_SendData(0x80);
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EPD_2IN66_SendCommand(0x22);
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EPD_2IN66_SendData(0xcf);
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EPD_2IN66_SendCommand(0x20);
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EPD_2IN66_ReadBusy();
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}
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/******************************************************************************
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function : Clear screen
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parameter:
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******************************************************************************/
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void EPD_2IN66_Clear(void)
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{
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UWORD Width, Height;
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Width = (EPD_2IN66_WIDTH % 8 == 0)? (EPD_2IN66_WIDTH / 8 ): (EPD_2IN66_WIDTH / 8 + 1);
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Height = EPD_2IN66_HEIGHT;
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EPD_2IN66_SendCommand(0x24);
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for (UWORD j = 0; j <=Height; j++) {
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for (UWORD i = 0; i < Width; i++) {
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EPD_2IN66_SendData(0xff);
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}
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}
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EPD_2IN66_TurnOnDisplay();
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}
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/******************************************************************************
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function : Sends the image buffer in RAM to e-Paper and displays
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parameter:
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******************************************************************************/
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void EPD_2IN66_Display(UBYTE *Image)
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{
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UWORD Width, Height;
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Width = (EPD_2IN66_WIDTH % 8 == 0)? (EPD_2IN66_WIDTH / 8 ): (EPD_2IN66_WIDTH / 8 + 1);
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Height = EPD_2IN66_HEIGHT;
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UDOUBLE Addr = 0;
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// UDOUBLE Offset = ImageName;
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EPD_2IN66_SendCommand(0x24);
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for (UWORD j = 0; j <Height; j++) {
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for (UWORD i = 0; i <Width; i++) {
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Addr = i + j * Width;
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EPD_2IN66_SendData(Image[Addr]);
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}
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}
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EPD_2IN66_TurnOnDisplay();
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}
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/******************************************************************************
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function : Enter sleep mode
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parameter:
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******************************************************************************/
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void EPD_2IN66_Sleep(void)
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{
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EPD_2IN66_SendCommand(0x10);
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EPD_2IN66_SendData(0x01);
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//EPD_2IN66_ReadBusy();
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}
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