229 lines
7.4 KiB
C
229 lines
7.4 KiB
C
/*****************************************************************************
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* | File : EPD_13in3.c
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* | Author : Waveshare team
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* | Function : 13.3inch e-paper
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* | Info :
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*----------------
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* | This version: V1.0
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* | Date : 2021-01-20
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* | Info :
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* -----------------------------------------------------------------------------
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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_13in3.h"
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#include "Debug.h"
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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_13IN3_Reset(void)
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{
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DEV_Digital_Write(EPD_RST_PIN, 1);
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DEV_Delay_ms(100);
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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(100);
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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_13IN3_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_13IN3_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_13IN3_ReadBusy(void)
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{
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Debug("e-Paper busy\r\n");
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while(1)
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{ //=1 BUSY
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if(DEV_Digital_Read(EPD_BUSY_PIN)==0)
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break;
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DEV_Delay_ms(20);
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}
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DEV_Delay_ms(20);
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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_13IN3_TurnOnDisplay(void)
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{
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EPD_13IN3_SendCommand(0x22); //Display Update Control
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EPD_13IN3_SendData(0xC7);
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EPD_13IN3_SendCommand(0x20); //Activate Display Update Sequence
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EPD_13IN3_ReadBusy();
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}
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/******************************************************************************
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function : Setting the display window
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parameter:
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******************************************************************************/
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static void EPD_13IN3_SetWindows(UWORD Xstart, UWORD Ystart, UWORD Xend, UWORD Yend)
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{
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EPD_13IN3_SendCommand(0x44); // SET_RAM_X_ADDRESS_START_END_POSITION
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EPD_13IN3_SendData(Xstart & 0xFF);
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EPD_13IN3_SendData((Xstart>>8) & 0x03);
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EPD_13IN3_SendData(Xend & 0xFF);
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EPD_13IN3_SendData((Xend>>8) & 0x03);
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EPD_13IN3_SendCommand(0x45); // SET_RAM_Y_ADDRESS_START_END_POSITION
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EPD_13IN3_SendData(Ystart & 0xFF);
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EPD_13IN3_SendData((Ystart>>8) & 0x03);
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EPD_13IN3_SendData(Yend & 0xFF);
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EPD_13IN3_SendData((Yend>>8) & 0x03);
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}
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/******************************************************************************
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function : Set Cursor
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parameter:
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******************************************************************************/
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static void EPD_13IN3_SetCursor(UWORD Xstart, UWORD Ystart)
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{
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EPD_13IN3_SendCommand(0x4E); // SET_RAM_X_ADDRESS_COUNTER
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EPD_13IN3_SendData(Xstart & 0xFF);
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EPD_13IN3_SendData((Xstart>>8) & 0x03);
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EPD_13IN3_SendCommand(0x4F); // SET_RAM_Y_ADDRESS_COUNTER
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EPD_13IN3_SendData(Ystart & 0xFF);
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EPD_13IN3_SendData((Ystart>>8) & 0x03);
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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_13IN3_Init(void)
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{
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EPD_13IN3_Reset();
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DEV_Delay_ms(100);
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EPD_13IN3_ReadBusy();
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EPD_13IN3_SendCommand(0x12); //SWRESET
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EPD_13IN3_ReadBusy();
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EPD_13IN3_SendCommand(0x0C); //set soft start
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EPD_13IN3_SendData(0xAE);
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EPD_13IN3_SendData(0xC7);
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EPD_13IN3_SendData(0xC3);
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EPD_13IN3_SendData(0xC0);
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EPD_13IN3_SendData(0x80);
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EPD_13IN3_SendCommand(0x01); // drive output control
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EPD_13IN3_SendData(0xA7); // Y
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EPD_13IN3_SendData(0x02); // Y
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EPD_13IN3_SendData(0x00);
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EPD_13IN3_SendCommand(0x11); // data entry mode
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EPD_13IN3_SendData(0x03); // X-mode x+ y-
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EPD_13IN3_SetWindows(0, 0, EPD_13IN3_WIDTH-1, EPD_13IN3_HEIGHT-1);
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EPD_13IN3_SendCommand(0x3C); // Border Border setting
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EPD_13IN3_SendData(0x01);
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EPD_13IN3_SendCommand(0x18); // use the internal temperature sensor
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EPD_13IN3_SendData(0x80);
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EPD_13IN3_SendCommand(0x22);
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EPD_13IN3_SendData(0xB1);
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EPD_13IN3_SendCommand(0x20);
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EPD_13IN3_SetCursor(0, 0);
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EPD_13IN3_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_13IN3_Clear(void)
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{
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UWORD i, j;
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UWORD height = EPD_13IN3_HEIGHT;
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UWORD width = EPD_13IN3_WIDTH/8;
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EPD_13IN3_SendCommand(0x24); //write RAM for black(0)/white (1)
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for(i=0; i<height; i++)
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{
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for(j=0; j<width; j++)
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EPD_13IN3_SendData(0xff);
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}
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EPD_13IN3_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_13IN3_Display(UBYTE *Image)
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{
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UWORD i, j;
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UWORD height = EPD_13IN3_HEIGHT;
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UWORD width = EPD_13IN3_WIDTH/8;
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EPD_13IN3_SendCommand(0x24); //write RAM for black(0)/white (1)
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for(i=0; i<height; i++)
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{
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for(j=0; j<width; j++)
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EPD_13IN3_SendData(Image[j + i*width]);
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}
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EPD_13IN3_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_13IN3_Sleep(void)
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{
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EPD_13IN3_SendCommand(0x10); //enter deep sleep
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EPD_13IN3_SendData(0x03);
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DEV_Delay_ms(100);
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}
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