554 lines
17 KiB
C
554 lines
17 KiB
C
/*****************************************************************************
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* | File : EPD_2in7.c
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* | Author : Waveshare team
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* | Function : 2.9inch e-paper V2
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* | Info :
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*----------------
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* | This version: V1.0
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* | Date : 2021-06-03
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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_2in7.h"
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#include "Debug.h"
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static const unsigned char EPD_2in7_lut_vcom_dc[] = {
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0x00 ,0x00,
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0x00 ,0x08 ,0x00 ,0x00 ,0x00 ,0x02,
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0x60 ,0x28 ,0x28 ,0x00 ,0x00 ,0x01,
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0x00 ,0x14 ,0x00 ,0x00 ,0x00 ,0x01,
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0x00 ,0x12 ,0x12 ,0x00 ,0x00 ,0x01,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00
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};
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static const unsigned char EPD_2in7_lut_ww[] = {
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0x40 ,0x08 ,0x00 ,0x00 ,0x00 ,0x02,
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0x90 ,0x28 ,0x28 ,0x00 ,0x00 ,0x01,
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0x40 ,0x14 ,0x00 ,0x00 ,0x00 ,0x01,
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0xA0 ,0x12 ,0x12 ,0x00 ,0x00 ,0x01,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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};
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static const unsigned char EPD_2in7_lut_bw[] = {
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0x40 ,0x08 ,0x00 ,0x00 ,0x00 ,0x02,
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0x90 ,0x28 ,0x28 ,0x00 ,0x00 ,0x01,
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0x40 ,0x14 ,0x00 ,0x00 ,0x00 ,0x01,
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0xA0 ,0x12 ,0x12 ,0x00 ,0x00 ,0x01,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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};
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static const unsigned char EPD_2in7_lut_bb[] = {
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0x80 ,0x08 ,0x00 ,0x00 ,0x00 ,0x02,
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0x90 ,0x28 ,0x28 ,0x00 ,0x00 ,0x01,
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0x80 ,0x14 ,0x00 ,0x00 ,0x00 ,0x01,
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0x50 ,0x12 ,0x12 ,0x00 ,0x00 ,0x01,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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};
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static const unsigned char EPD_2in7_lut_wb[] = {
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0x80 ,0x08 ,0x00 ,0x00 ,0x00 ,0x02,
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0x90 ,0x28 ,0x28 ,0x00 ,0x00 ,0x01,
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0x80 ,0x14 ,0x00 ,0x00 ,0x00 ,0x01,
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0x50 ,0x12 ,0x12 ,0x00 ,0x00 ,0x01,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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};
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//////////////////////////////////////full screen update LUT////////////////////////////////////////////
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//0~3 gray
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static const unsigned char EPD_2in7_gray_lut_vcom[] =
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{
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0x00 ,0x00,
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0x00 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
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0x60 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
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0x00 ,0x14 ,0x00 ,0x00 ,0x00 ,0x01,
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0x00 ,0x13 ,0x0A ,0x01 ,0x00 ,0x01,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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};
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//R21
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static const unsigned char EPD_2in7_gray_lut_ww[] ={
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0x40 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
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0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
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0x10 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01,
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0xA0 ,0x13 ,0x01 ,0x00 ,0x00 ,0x01,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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};
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//R22H r
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static const unsigned char EPD_2in7_gray_lut_bw[] ={
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0x40 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
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0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
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0x00 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01,
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0x99 ,0x0C ,0x01 ,0x03 ,0x04 ,0x01,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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};
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//R23H w
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static const unsigned char EPD_2in7_gray_lut_wb[] ={
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0x40 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
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0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
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0x00 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01,
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0x99 ,0x0B ,0x04 ,0x04 ,0x01 ,0x01,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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};
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//R24H b
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static const unsigned char EPD_2in7_gray_lut_bb[] ={
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0x80 ,0x0A ,0x00 ,0x00 ,0x00 ,0x01,
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0x90 ,0x14 ,0x14 ,0x00 ,0x00 ,0x01,
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0x20 ,0x14 ,0x0A ,0x00 ,0x00 ,0x01,
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0x50 ,0x13 ,0x01 ,0x00 ,0x00 ,0x01,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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0x00 ,0x00 ,0x00 ,0x00 ,0x00 ,0x00,
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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_2in7_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_2in7_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_2in7_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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static void EPD_2in7_ReadBusy(void)
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{
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Debug("e-Paper busy\r\n");
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UBYTE busy;
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do {
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EPD_2in7_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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DEV_Delay_ms(200);
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Debug("e-Paper busy release\r\n");
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}
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/******************************************************************************
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function : set the look-up tables
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parameter:
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******************************************************************************/
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static void EPD_2in7_SetLut(void)
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{
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unsigned int count;
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EPD_2in7_SendCommand(0x20); //vcom
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for(count = 0; count < 44; count++) {
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EPD_2in7_SendData(EPD_2in7_lut_vcom_dc[count]);
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}
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EPD_2in7_SendCommand(0x21); //ww --
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for(count = 0; count < 42; count++) {
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EPD_2in7_SendData(EPD_2in7_lut_ww[count]);
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}
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EPD_2in7_SendCommand(0x22); //bw r
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for(count = 0; count < 42; count++) {
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EPD_2in7_SendData(EPD_2in7_lut_bw[count]);
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}
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EPD_2in7_SendCommand(0x23); //wb w
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for(count = 0; count < 42; count++) {
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EPD_2in7_SendData(EPD_2in7_lut_bb[count]);
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}
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EPD_2in7_SendCommand(0x24); //bb b
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for(count = 0; count < 42; count++) {
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EPD_2in7_SendData(EPD_2in7_lut_wb[count]);
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}
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}
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void EPD_2in7_gray_SetLut(void)
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{
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unsigned int count;
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EPD_2in7_SendCommand(0x20); //vcom
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for(count=0;count<44;count++)
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{EPD_2in7_SendData(EPD_2in7_gray_lut_vcom[count]);}
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EPD_2in7_SendCommand(0x21); //red not use
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for(count=0;count<42;count++)
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{EPD_2in7_SendData(EPD_2in7_gray_lut_ww[count]);}
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EPD_2in7_SendCommand(0x22); //bw r
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for(count=0;count<42;count++)
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{EPD_2in7_SendData(EPD_2in7_gray_lut_bw[count]);}
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EPD_2in7_SendCommand(0x23); //wb w
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for(count=0;count<42;count++)
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{EPD_2in7_SendData(EPD_2in7_gray_lut_wb[count]);}
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EPD_2in7_SendCommand(0x24); //bb b
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for(count=0;count<42;count++)
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{EPD_2in7_SendData(EPD_2in7_gray_lut_bb[count]);}
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EPD_2in7_SendCommand(0x25); //vcom
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for(count=0;count<42;count++)
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{EPD_2in7_SendData(EPD_2in7_gray_lut_ww[count]);}
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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_2IN7_Init(void)
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{
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EPD_2in7_Reset();
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EPD_2in7_SendCommand(0x01); // POWER_SETTING
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EPD_2in7_SendData(0x03); // VDS_EN, VDG_EN
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EPD_2in7_SendData(0x00); // VCOM_HV, VGHL_LV[1], VGHL_LV[0]
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EPD_2in7_SendData(0x2b); // VDH
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EPD_2in7_SendData(0x2b); // VDL
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EPD_2in7_SendData(0x09); // VDHR
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EPD_2in7_SendCommand(0x06); // BOOSTER_SOFT_START
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EPD_2in7_SendData(0x07);
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EPD_2in7_SendData(0x07);
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EPD_2in7_SendData(0x17);
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// Power optimization
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EPD_2in7_SendCommand(0xF8);
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EPD_2in7_SendData(0x60);
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EPD_2in7_SendData(0xA5);
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// Power optimization
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EPD_2in7_SendCommand(0xF8);
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EPD_2in7_SendData(0x89);
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EPD_2in7_SendData(0xA5);
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// Power optimization
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EPD_2in7_SendCommand(0xF8);
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EPD_2in7_SendData(0x90);
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EPD_2in7_SendData(0x00);
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// Power optimization
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EPD_2in7_SendCommand(0xF8);
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EPD_2in7_SendData(0x93);
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EPD_2in7_SendData(0x2A);
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// Power optimization
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EPD_2in7_SendCommand(0xF8);
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EPD_2in7_SendData(0xA0);
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EPD_2in7_SendData(0xA5);
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// Power optimization
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EPD_2in7_SendCommand(0xF8);
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EPD_2in7_SendData(0xA1);
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EPD_2in7_SendData(0x00);
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// Power optimization
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EPD_2in7_SendCommand(0xF8);
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EPD_2in7_SendData(0x73);
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EPD_2in7_SendData(0x41);
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EPD_2in7_SendCommand(0x16); // PARTIAL_DISPLAY_REFRESH
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EPD_2in7_SendData(0x00);
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EPD_2in7_SendCommand(0x04); // POWER_ON
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EPD_2in7_ReadBusy();
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EPD_2in7_SendCommand(0x00); // PANEL_SETTING
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EPD_2in7_SendData(0xAF); // KW-BF KWR-AF BWROTP 0f
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EPD_2in7_SendCommand(0x30); // PLL_CONTROL
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EPD_2in7_SendData(0x3A); // 3A 100HZ 29 150Hz 39 200HZ 31 171HZ
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EPD_2in7_SendCommand(0x82); // VCM_DC_SETTING_REGISTER
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EPD_2in7_SendData(0x12);
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EPD_2in7_SetLut();
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}
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void EPD_2IN7_Init_4Gray(void)
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{
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EPD_2in7_Reset();
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EPD_2in7_SendCommand(0x01); //POWER SETTING
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EPD_2in7_SendData (0x03);
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EPD_2in7_SendData (0x00);
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EPD_2in7_SendData (0x2b);
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EPD_2in7_SendData (0x2b);
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EPD_2in7_SendCommand(0x06); //booster soft start
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EPD_2in7_SendData (0x07); //A
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EPD_2in7_SendData (0x07); //B
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EPD_2in7_SendData (0x17); //C
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EPD_2in7_SendCommand(0xF8); //boost??
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EPD_2in7_SendData (0x60);
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EPD_2in7_SendData (0xA5);
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EPD_2in7_SendCommand(0xF8); //boost??
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EPD_2in7_SendData (0x89);
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EPD_2in7_SendData (0xA5);
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EPD_2in7_SendCommand(0xF8); //boost??
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EPD_2in7_SendData (0x90);
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EPD_2in7_SendData (0x00);
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EPD_2in7_SendCommand(0xF8); //boost??
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EPD_2in7_SendData (0x93);
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EPD_2in7_SendData (0x2A);
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EPD_2in7_SendCommand(0xF8); //boost??
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EPD_2in7_SendData (0xa0);
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EPD_2in7_SendData (0xa5);
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EPD_2in7_SendCommand(0xF8); //boost??
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EPD_2in7_SendData (0xa1);
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EPD_2in7_SendData (0x00);
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EPD_2in7_SendCommand(0xF8); //boost??
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EPD_2in7_SendData (0x73);
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EPD_2in7_SendData (0x41);
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EPD_2in7_SendCommand(0x16);
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EPD_2in7_SendData(0x00);
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EPD_2in7_SendCommand(0x04);
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EPD_2in7_ReadBusy();
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EPD_2in7_SendCommand(0x00); //panel setting
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EPD_2in7_SendData(0xbf); //KW-BF KWR-AF BWROTP 0f
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EPD_2in7_SendCommand(0x30); //PLL setting
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EPD_2in7_SendData (0x90); //100hz
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EPD_2in7_SendCommand(0x61); //resolution setting
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EPD_2in7_SendData (0x00); //176
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EPD_2in7_SendData (0xb0);
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EPD_2in7_SendData (0x01); //264
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EPD_2in7_SendData (0x08);
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EPD_2in7_SendCommand(0x82); //vcom_DC setting
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EPD_2in7_SendData (0x12);
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EPD_2in7_SendCommand(0X50); //VCOM AND DATA INTERVAL SETTING
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EPD_2in7_SendData(0x97);
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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_2IN7_Clear(void)
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{
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UWORD Width, Height;
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Width = (EPD_2IN7_WIDTH % 8 == 0)? (EPD_2IN7_WIDTH / 8 ): (EPD_2IN7_WIDTH / 8 + 1);
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Height = EPD_2IN7_HEIGHT;
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EPD_2in7_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_2in7_SendData(0XFF);
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}
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}
|
|
|
|
EPD_2in7_SendCommand(0x13);
|
|
for (UWORD j = 0; j < Height; j++) {
|
|
for (UWORD i = 0; i < Width; i++) {
|
|
EPD_2in7_SendData(0XFF);
|
|
}
|
|
}
|
|
|
|
EPD_2in7_SendCommand(0x12);
|
|
EPD_2in7_ReadBusy();
|
|
}
|
|
|
|
/******************************************************************************
|
|
function : Sends the image buffer in RAM to e-Paper and displays
|
|
parameter:
|
|
******************************************************************************/
|
|
void EPD_2IN7_Display(const UBYTE *Image)
|
|
{
|
|
UWORD Width, Height;
|
|
Width = (EPD_2IN7_WIDTH % 8 == 0)? (EPD_2IN7_WIDTH / 8 ): (EPD_2IN7_WIDTH / 8 + 1);
|
|
Height = EPD_2IN7_HEIGHT;
|
|
|
|
EPD_2in7_SendCommand(0x10);
|
|
for (UWORD j = 0; j < Height; j++) {
|
|
for (UWORD i = 0; i < Width; i++) {
|
|
EPD_2in7_SendData(0XFF);
|
|
}
|
|
}
|
|
|
|
EPD_2in7_SendCommand(0x13);
|
|
for (UWORD j = 0; j < Height; j++) {
|
|
for (UWORD i = 0; i < Width; i++) {
|
|
EPD_2in7_SendData(Image[i + j * Width]);
|
|
}
|
|
}
|
|
EPD_2in7_SendCommand(0x12);
|
|
EPD_2in7_ReadBusy();
|
|
}
|
|
|
|
void EPD_2IN7_4GrayDisplay(const UBYTE *Image)
|
|
{
|
|
UDOUBLE i,j,k;
|
|
UBYTE temp1,temp2,temp3;
|
|
|
|
EPD_2in7_SendCommand(0x10);
|
|
for(i=0;i<5808;i++) //5808*4 46464
|
|
{
|
|
temp3=0;
|
|
for(j=0;j<2;j++)
|
|
{
|
|
temp1 = Image[i*2+j];
|
|
for(k=0;k<2;k++)
|
|
{
|
|
temp2 = temp1&0xC0 ;
|
|
if(temp2 == 0xC0)
|
|
temp3 |= 0x01;//white
|
|
else if(temp2 == 0x00)
|
|
temp3 |= 0x00; //black
|
|
else if(temp2 == 0x80)
|
|
temp3 |= 0x01; //gray1
|
|
else //0x40
|
|
temp3 |= 0x00; //gray2
|
|
temp3 <<= 1;
|
|
|
|
temp1 <<= 2;
|
|
temp2 = temp1&0xC0 ;
|
|
if(temp2 == 0xC0) //white
|
|
temp3 |= 0x01;
|
|
else if(temp2 == 0x00) //black
|
|
temp3 |= 0x00;
|
|
else if(temp2 == 0x80)
|
|
temp3 |= 0x01; //gray1
|
|
else //0x40
|
|
temp3 |= 0x00; //gray2
|
|
if(j!=1 || k!=1)
|
|
temp3 <<= 1;
|
|
|
|
temp1 <<= 2;
|
|
}
|
|
|
|
}
|
|
EPD_2in7_SendData(temp3);
|
|
}
|
|
// new data
|
|
EPD_2in7_SendCommand(0x13);
|
|
for(i=0;i<5808;i++) //5808*4 46464
|
|
{
|
|
temp3=0;
|
|
for(j=0;j<2;j++)
|
|
{
|
|
temp1 = Image[i*2+j];
|
|
for(k=0;k<2;k++)
|
|
{
|
|
temp2 = temp1&0xC0 ;
|
|
if(temp2 == 0xC0)
|
|
temp3 |= 0x01;//white
|
|
else if(temp2 == 0x00)
|
|
temp3 |= 0x00; //black
|
|
else if(temp2 == 0x80)
|
|
temp3 |= 0x00; //gray1
|
|
else //0x40
|
|
temp3 |= 0x01; //gray2
|
|
temp3 <<= 1;
|
|
|
|
temp1 <<= 2;
|
|
temp2 = temp1&0xC0 ;
|
|
if(temp2 == 0xC0) //white
|
|
temp3 |= 0x01;
|
|
else if(temp2 == 0x00) //black
|
|
temp3 |= 0x00;
|
|
else if(temp2 == 0x80)
|
|
temp3 |= 0x00; //gray1
|
|
else //0x40
|
|
temp3 |= 0x01; //gray2
|
|
if(j!=1 || k!=1)
|
|
temp3 <<= 1;
|
|
|
|
temp1 <<= 2;
|
|
}
|
|
|
|
}
|
|
EPD_2in7_SendData(temp3);
|
|
}
|
|
|
|
EPD_2in7_gray_SetLut();
|
|
EPD_2in7_SendCommand(0x12);
|
|
DEV_Delay_ms(200);
|
|
EPD_2in7_ReadBusy();
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
function : Enter sleep mode
|
|
parameter:
|
|
******************************************************************************/
|
|
void EPD_2IN7_Sleep(void)
|
|
{
|
|
EPD_2in7_SendCommand(0X50);
|
|
EPD_2in7_SendData(0xf7);
|
|
EPD_2in7_SendCommand(0X02); //power off
|
|
EPD_2in7_SendCommand(0X07); //deep sleep
|
|
EPD_2in7_SendData(0xA5);
|
|
}
|