198 lines
6.9 KiB
C
198 lines
6.9 KiB
C
/*****************************************************************************
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* | File : EPD_2in13b_V3.c
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* | Author : Waveshare team
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* | Function : 2.13inch e-paper b V3
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* | Info :
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*----------------
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* | This version: V1.0
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* | Date : 2020-04-13
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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_2in13b_V3.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_2IN13B_V3_Reset(void)
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{
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DEV_Digital_Write(EPD_CS_PIN, 1);
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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(10);
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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_2IN13B_V3_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_2IN13B_V3_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_2IN13B_V3_ReadBusy(void)
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{
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UBYTE busy;
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Debug("e-Paper busy\r\n");
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do{
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EPD_2IN13B_V3_SendCommand(0x71);
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busy = DEV_Digital_Read(EPD_BUSY_PIN);
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busy =!(busy & 0x01);
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}while(busy);
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Debug("e-Paper busy release\r\n");
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DEV_Delay_ms(200);
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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_2IN13B_V3_TurnOnDisplay(void)
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{
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EPD_2IN13B_V3_SendCommand(0x12); //DISPLAY REFRESH
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DEV_Delay_ms(100);
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EPD_2IN13B_V3_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_2IN13B_V3_Init(void)
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{
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EPD_2IN13B_V3_Reset();
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DEV_Delay_ms(10);
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EPD_2IN13B_V3_SendCommand(0x04);
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EPD_2IN13B_V3_ReadBusy();//waiting for the electronic paper IC to release the idle signal
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EPD_2IN13B_V3_SendCommand(0x00);//panel setting
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EPD_2IN13B_V3_SendData(0x0f);//LUT from OTP，128x296
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EPD_2IN13B_V3_SendData(0x89);//Temperature sensor, boost and other related timing settings
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EPD_2IN13B_V3_SendCommand(0x61);//resolution setting
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EPD_2IN13B_V3_SendData (0x68);
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EPD_2IN13B_V3_SendData (0x00);
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EPD_2IN13B_V3_SendData (0xD4);
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EPD_2IN13B_V3_SendCommand(0X50);//VCOM AND DATA INTERVAL SETTING
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EPD_2IN13B_V3_SendData(0x77);//WBmode:VBDF 17|D7 VBDW 97 VBDB 57
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//WBRmode:VBDF F7 VBDW 77 VBDB 37 VBDR B7;
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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_2IN13B_V3_Clear(void)
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{
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UWORD Width = (EPD_2IN13B_V3_WIDTH % 8 == 0)? (EPD_2IN13B_V3_WIDTH / 8 ): (EPD_2IN13B_V3_WIDTH / 8 + 1);
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UWORD Height = EPD_2IN13B_V3_HEIGHT;
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//send black data
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EPD_2IN13B_V3_SendCommand(0x10);
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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_2IN13B_V3_SendData(0xFF);
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}
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}
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//send red data
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EPD_2IN13B_V3_SendCommand(0x13);
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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_2IN13B_V3_SendData(0xFF);
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}
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}
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EPD_2IN13B_V3_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_2IN13B_V3_Display(const UBYTE *blackimage, const UBYTE *ryimage)
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{
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UWORD Width, Height;
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Width = (EPD_2IN13B_V3_WIDTH % 8 == 0)? (EPD_2IN13B_V3_WIDTH / 8 ): (EPD_2IN13B_V3_WIDTH / 8 + 1);
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Height = EPD_2IN13B_V3_HEIGHT;
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EPD_2IN13B_V3_SendCommand(0x10);
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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_2IN13B_V3_SendData(blackimage[i + j * Width]);
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}
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}
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EPD_2IN13B_V3_SendCommand(0x13);
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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_2IN13B_V3_SendData(ryimage[i + j * Width]);
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}
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}
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EPD_2IN13B_V3_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_2IN13B_V3_Sleep(void)
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{
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EPD_2IN13B_V3_SendCommand(0X50);
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EPD_2IN13B_V3_SendData(0xf7);
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EPD_2IN13B_V3_SendCommand(0X02); //power off
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EPD_2IN13B_V3_ReadBusy(); //waiting for the electronic paper IC to release the idle signal
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EPD_2IN13B_V3_SendCommand(0X07); //deep sleep
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EPD_2IN13B_V3_SendData(0xA5);
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}
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