513 lines
15 KiB
C
513 lines
15 KiB
C
/*****************************************************************************
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* | File : EPD_3in7.c
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* | Author : Waveshare team
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* | Function : 3.7inch e-paper
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* | Info :
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*----------------
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* | This version: V1.1
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* | Date : 2020-04-24
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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_3in7.h"
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#include "Debug.h"
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static unsigned char const lut_vcom_du[] ={
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0x00,0x00,0x00,0x00,0x05,0x01,
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0x00,0x00,0x00,0x08,0x05,0x01,
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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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0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00};
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static unsigned char const lut_ww_du[] = {
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0x00,0x00,0x00,0x00,0x05,0x01,
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0x00,0x00,0x00,0x08,0x05,0x01,
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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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0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00};
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static unsigned char const lut_wb_du[] ={
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0x02,0x00,0x00,0x00,0x05,0x01,
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0x05,0x00,0x00,0x08,0x05,0x01,
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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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0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00 };
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static unsigned char const lut_bb_du[] ={
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0x00,0x00,0x00,0x00,0x05,0x01,
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0x00,0x00,0x00,0x08,0x05,0x01,
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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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0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00 };
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// VDH
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static unsigned char const lut_bw_du[] ={
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0x01,0x00,0x00,0x00,0x05,0x01,
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0x0A,0x00,0x00,0x08,0x05,0x01,
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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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0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00 };
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/********GC*********/
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static unsigned char const lut_vcom_gc[] ={
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0x00,0x00,0x00,0x0A,0x05,0x01,
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0x00,0x00,0x08,0x0A,0x05,0x01,
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0x00,0x00,0x00,0x00,0x00,0x01,
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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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0x00,0x00,0x00,0x00,0x00,0x00};
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static unsigned char const lut_ww_gc[] = {
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0x05,0x00,0x00,0x0A,0x05,0x01,
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0x0A,0x00,0x08,0x0A,0x05,0x01,
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0x00,0x00,0x00,0x00,0x00,0x01,
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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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0x00,0x00,0x00,0x00,0x00,0x00};
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static unsigned char const lut_wb_gc[] ={
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0x0A,0x00,0x00,0x0A,0x05,0x01,
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0x15,0x00,0x08,0x0A,0x05,0x01,
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0x00,0x00,0x00,0x00,0x00,0x01,
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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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0x00,0x00,0x00,0x00,0x00,0x00 };
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static unsigned char const lut_bb_gc[] ={
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0x0A,0x00,0x00,0x0A,0x05,0x01,
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0x05,0x00,0x08,0x0A,0x05,0x01,
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0x00,0x00,0x00,0x00,0x00,0x01,
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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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0x00,0x00,0x00,0x00,0x00,0x00 };
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// VDH
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static unsigned char const lut_bw_gc[] ={
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0x05,0x00,0x00,0x0A,0x05,0x01,
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0x2A,0x00,0x08,0x0A,0x05,0x01,
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0x00,0x00,0x00,0x00,0x00,0x01,
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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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0x00,0x00,0x00,0x00,0x00,0x00 };
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/***********A2**********/
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static unsigned char const lut_vcom_a2[] ={
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0x00,0x00,0x00,0x00,0x08,0x01,
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0x00,0x00,0x00,0x00,0x00,0x01,
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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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0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00};
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static unsigned char const lut_ww_a2[] = {
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0x00,0x00,0x00,0x00,0x08,0x01,
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0x00,0x00,0x00,0x00,0x00,0x01,
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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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0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00};
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static unsigned char const lut_wb_a2[] ={
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0x05,0x00,0x00,0x00,0x08,0x01,
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0x00,0x00,0x00,0x00,0x00,0x01,
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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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0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00};
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static unsigned char const lut_bb_a2[] ={
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0x00,0x00,0x00,0x00,0x08,0x01,
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0x00,0x00,0x00,0x00,0x00,0x01,
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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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0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00};
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// VDH
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static unsigned char const lut_bw_a2[] ={
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0x0A,0x00,0x00,0x00,0x08,0x01,
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0x00,0x00,0x00,0x00,0x00,0x01,
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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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0x00,0x00,0x00,0x00,0x00,0x00,
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0x00,0x00,0x00,0x00,0x00,0x00};
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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_3IN7_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(10);
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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_3IN7_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_3IN7_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_3IN7_ReadBusyHigh(void)
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{
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Debug("e-Paper busy High\r\n");
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UBYTE busy;
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do {
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busy = DEV_Digital_Read(EPD_BUSY_PIN);
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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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static void EPD_3IN7_ReadBusyLow(void)
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{
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Debug("e-Paper busy Low\r\n");
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UBYTE busy;
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do {
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busy = DEV_Digital_Read(EPD_BUSY_PIN);
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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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void EPD_Load_LUTC(unsigned int LUT, unsigned char const *LUT_Value)
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{
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int i;
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EPD_3IN7_SendCommand(LUT);
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for(i=0;i<42;i++)
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{
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EPD_3IN7_SendData(*LUT_Value);
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LUT_Value++;
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}
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}
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void EPD_Load_LUT(unsigned int LUT, unsigned char const *LUT_Value)
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{
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int i;
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EPD_3IN7_SendCommand(LUT);
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for(i=0;i<42;i++)
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{
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EPD_3IN7_SendData(*LUT_Value);
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LUT_Value++;
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}
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}
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static void Upload_Temperature_LUT(unsigned char WF_MODE)
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{
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if(WF_MODE == 0){ //GC mode
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EPD_3IN7_SendCommand(0x26);
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EPD_3IN7_SendData(0x00);
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EPD_Load_LUTC(0x20,lut_vcom_gc);
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EPD_Load_LUT(0x21,lut_ww_gc);
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EPD_Load_LUTC(0x22,lut_bw_gc);
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EPD_Load_LUT(0x23,lut_wb_gc);
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EPD_Load_LUT(0x24,lut_bb_gc);
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}
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else if(WF_MODE == 1){ //DU mode
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EPD_3IN7_SendCommand(0x26);
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EPD_3IN7_SendData(0x00);
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EPD_Load_LUTC(0x20,lut_vcom_du);
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EPD_Load_LUT(0x21,lut_ww_du);
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EPD_Load_LUTC(0x22,lut_bw_du);
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EPD_Load_LUT(0x23,lut_wb_du);
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EPD_Load_LUT(0x24,lut_bb_du);
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}
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else{ //A2 mode
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EPD_3IN7_SendCommand(0x26);
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EPD_3IN7_SendData(0x00);
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EPD_Load_LUTC(0x20,lut_vcom_a2);
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EPD_Load_LUT(0x21,lut_ww_a2);
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EPD_Load_LUTC(0x22,lut_bw_a2);
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EPD_Load_LUT(0x23,lut_wb_a2);
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EPD_Load_LUT(0x24,lut_bb_a2);
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}
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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_3IN7_Init(void)
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{
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EPD_3IN7_Reset();
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// EPD_3IN7_SendCommand(0x01); // POWER_SETTING
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// EPD_3IN7_SendData(0x03); // VDS_EN, VDG_EN
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// EPD_3IN7_SendData(0x00); // VCOM_HV, VGHL_LV[1], VGHL_LV[0]
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// EPD_3IN7_SendData(0x2b); // VDH
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EPD_3IN7_SendCommand(0x01);
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EPD_3IN7_SendData(0x03);
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EPD_3IN7_SendData(0x00);
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EPD_3IN7_SendData(0x3F);
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EPD_3IN7_SendData(0x3F);
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EPD_3IN7_SendData(0x0F);
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EPD_3IN7_SendCommand(0x06);
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EPD_3IN7_SendData(0x57);
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EPD_3IN7_SendData(0x36); //0x63
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EPD_3IN7_SendData(0x3A); //0x31
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EPD_3IN7_SendCommand(0x60);
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EPD_3IN7_SendData(0x04);
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EPD_3IN7_SendCommand(0x00);
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EPD_3IN7_SendData(0x7F);
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EPD_3IN7_SendCommand(0x03);
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EPD_3IN7_SendData(0x00);
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EPD_3IN7_SendCommand(0x30);
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EPD_3IN7_SendData(0x3C); //50Hz; 0x19 for 86Hz frame rate
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EPD_3IN7_SendCommand(0x61);
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EPD_3IN7_SendData(0x01);
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EPD_3IN7_SendData(0x18);
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EPD_3IN7_SendData(0x01);
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EPD_3IN7_SendData(0xE0);
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//EPD_3IN7_SendCommand(VDCS); //set VCOM
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//EPD_3IN7_SendData(0x1E);
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EPD_3IN7_SendCommand(0x50);
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EPD_3IN7_SendData(0x17); //set to 0x17 instead of orignal 0x77 to make DU/A2 work fine
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EPD_3IN7_SendCommand(0x26);
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EPD_3IN7_SendData(0x00);
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EPD_3IN7_SendCommand(0x62);
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EPD_3IN7_SendData(0x00);
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EPD_3IN7_SendData(0x00);
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EPD_3IN7_SendData(0x00);
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EPD_3IN7_SendData(0x00);
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// fast discharge settings, do not remove any of these
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EPD_3IN7_SendCommand(0xF8);
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EPD_3IN7_SendData(0x60);
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EPD_3IN7_SendData(0xA5);
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EPD_3IN7_SendCommand(0xF8);
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EPD_3IN7_SendData(0x89);
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EPD_3IN7_SendData(0xA5);
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EPD_3IN7_SendCommand(0xF8);
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EPD_3IN7_SendData(0xA1);
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EPD_3IN7_SendData(0x00);
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EPD_3IN7_SendCommand(0xF8);
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EPD_3IN7_SendData(0x73);
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EPD_3IN7_SendData(0x05);
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EPD_3IN7_SendCommand(0xF8);
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EPD_3IN7_SendData(0x7E);
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EPD_3IN7_SendData(0x31);
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EPD_3IN7_SendCommand(0xF8);
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EPD_3IN7_SendData(0xB8);
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EPD_3IN7_SendData(0x80);
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EPD_3IN7_SendCommand(0xF8);
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EPD_3IN7_SendData(0x92);
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EPD_3IN7_SendData(0x00);
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EPD_3IN7_SendCommand(0xF8);
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EPD_3IN7_SendData(0x87);
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EPD_3IN7_SendData(0x11);
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EPD_3IN7_SendCommand(0xF8);
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EPD_3IN7_SendData(0x88);
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EPD_3IN7_SendData(0x02);
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EPD_3IN7_SendCommand(0xF8);
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EPD_3IN7_SendData(0xA8);
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EPD_3IN7_SendData(0x30);
|
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EPD_3IN7_SendCommand(0xF8);
|
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EPD_3IN7_SendData(0x92);
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EPD_3IN7_SendData(0x08);
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EPD_3IN7_SendCommand(0xF8);
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EPD_3IN7_SendData(0xA8);
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|
EPD_3IN7_SendData(0x3A);
|
|
|
|
// SourceChannel= 280;
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// GateChannel= 480;
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|
// 16800
|
|
|
|
// unsigned char temp;
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|
|
|
EPD_3IN7_SendCommand(0x04);
|
|
EPD_3IN7_ReadBusyHigh();
|
|
|
|
EPD_3IN7_SendCommand(0x80); //auto measure VCOM
|
|
EPD_3IN7_SendData(0x11);
|
|
EPD_3IN7_ReadBusyHigh();
|
|
|
|
EPD_3IN7_SendCommand(0x81);
|
|
// temp = spi_9b_get();
|
|
// EPD_3IN7_SendCommand(VDCS);
|
|
// EPD_3IN7_SendData(temp);
|
|
|
|
// EPD_DTM1_Initial1();
|
|
// UWORD Width, Height;
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|
// Width = (EPD_3IN7_WIDTH % 8 == 0)? (EPD_3IN7_WIDTH / 8 ): (EPD_3IN7_WIDTH / 8 + 1);
|
|
// Height = EPD_3IN7_HEIGHT;
|
|
// EPD_3IN7_SendCommand(0x10);
|
|
// for (UWORD j = 0; j < Height; j++) {
|
|
// for (UWORD i = 0; i < Width; i++) {
|
|
// EPD_3IN7_SendData(0XFF);
|
|
// }
|
|
// }
|
|
// EPD_3IN7_SendCommand(0x11);
|
|
EPD_3IN7_SendCommand(0x02);
|
|
EPD_3IN7_ReadBusyLow();
|
|
}
|
|
|
|
/******************************************************************************
|
|
function : Clear screen
|
|
parameter:
|
|
******************************************************************************/
|
|
void EPD_3IN7_Clear(void)
|
|
{
|
|
UWORD Width, Height;
|
|
Width = (EPD_3IN7_WIDTH % 8 == 0)? (EPD_3IN7_WIDTH / 8 ): (EPD_3IN7_WIDTH / 8 + 1);
|
|
Height = EPD_3IN7_HEIGHT;
|
|
|
|
|
|
EPD_3IN7_SendCommand(0x04);
|
|
// EPD_3IN7_ReadBusyHigh();
|
|
|
|
EPD_3IN7_SendCommand(0x13);
|
|
for (UWORD j = 0; j < Height; j++) {
|
|
for (UWORD i = 0; i < Width; i++) {
|
|
EPD_3IN7_SendData(0xf0);
|
|
}
|
|
}
|
|
EPD_3IN7_SendCommand(0x11);
|
|
Upload_Temperature_LUT(0); //0:GC; 1:DU; else: A2
|
|
EPD_3IN7_SendCommand(0x12);
|
|
EPD_3IN7_ReadBusyHigh();
|
|
EPD_3IN7_SendCommand(0x02);
|
|
EPD_3IN7_ReadBusyLow();
|
|
|
|
// printf("0x10\r\n");
|
|
// EPD_3IN7_SendCommand(0x10);
|
|
// for (UWORD j = 0; j < Height; j++) {
|
|
// for (UWORD i = 0; i < Width; i++) {
|
|
// EPD_3IN7_SendData(0XFF);
|
|
// }
|
|
// }
|
|
// EPD_3IN7_SendCommand(0x11);
|
|
}
|
|
|
|
/******************************************************************************
|
|
function : Sends the image buffer in RAM to e-Paper and displays
|
|
parameter:
|
|
******************************************************************************/
|
|
void EPD_3IN7_Display(const UBYTE *Image)
|
|
{
|
|
UWORD Width, Height;
|
|
Width = (EPD_3IN7_WIDTH % 8 == 0)? (EPD_3IN7_WIDTH / 8 ): (EPD_3IN7_WIDTH / 8 + 1);
|
|
Height = EPD_3IN7_HEIGHT;
|
|
// EPD_3IN7_Init();
|
|
|
|
EPD_3IN7_SendCommand(0x04);
|
|
// EPD_3IN7_ReadBusyHigh();
|
|
|
|
EPD_3IN7_SendCommand(0x13);
|
|
for (UWORD j = 0; j < Height; j++) {
|
|
for (UWORD i = 0; i < Width; i++) {
|
|
EPD_3IN7_SendData(Image[i + j * Width]);
|
|
}
|
|
}
|
|
EPD_3IN7_SendCommand(0x11);
|
|
Upload_Temperature_LUT(0); //0:GC; 1:DU; else: A2
|
|
EPD_3IN7_SendCommand(0x12);
|
|
EPD_3IN7_ReadBusyHigh();
|
|
EPD_3IN7_SendCommand(0x02);
|
|
EPD_3IN7_ReadBusyLow();
|
|
|
|
printf("0x10\r\n");
|
|
EPD_3IN7_SendCommand(0x10);
|
|
for (UWORD j = 0; j < Height; j++) {
|
|
for (UWORD i = 0; i < Width; i++) {
|
|
EPD_3IN7_SendData(0XFF);
|
|
}
|
|
}
|
|
EPD_3IN7_SendCommand(0x11);
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
function : Enter sleep mode
|
|
parameter:
|
|
******************************************************************************/
|
|
void EPD_3IN7_Sleep(void)
|
|
{
|
|
// EPD_3IN7_SendCommand(0X50);
|
|
// EPD_3IN7_SendData(0xf7);
|
|
// EPD_3IN7_SendCommand(0X02); //power off
|
|
// EPD_3IN7_SendCommand(0X07); //deep sleep
|
|
// EPD_3IN7_SendData(0xA5);
|
|
}
|