326 lines
7.7 KiB
C++
326 lines
7.7 KiB
C++
/*****************************************************************************
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* | File : EPD_7in3f.c
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* | Author : Waveshare team
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* | Function : 7.3inch e-Paper (F)
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* | Info :
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*----------------
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* | This version: V1.0
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* | Date : 2022-10-21
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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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#ifdef EPD7IN3F
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#include <stdlib.h>
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#include "epd7in3f.h"
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Epd::~Epd(){};
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Epd::Epd()
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{
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reset_pin = RST_PIN;
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dc_pin = DC_PIN;
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cs_pin = CS_PIN;
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busy_pin = BUSY_PIN;
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width = EPD_WIDTH;
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height = EPD_HEIGHT;
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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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int Epd::Init(void)
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{
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if (IfInit() != 0)
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{
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return -1;
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}
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Reset();
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DelayMs(20);
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EPD_7IN3F_BusyHigh();
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SendCommand(0xAA); // CMDH
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SendData(0x49);
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SendData(0x55);
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SendData(0x20);
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SendData(0x08);
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SendData(0x09);
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SendData(0x18);
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SendCommand(0x01);
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SendData(0x3F);
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SendData(0x00);
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SendData(0x32);
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SendData(0x2A);
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SendData(0x0E);
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SendData(0x2A);
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SendCommand(0x00);
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SendData(0x5F);
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SendData(0x69);
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SendCommand(0x03);
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SendData(0x00);
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SendData(0x54);
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SendData(0x00);
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SendData(0x44);
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SendCommand(0x05);
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SendData(0x40);
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SendData(0x1F);
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SendData(0x1F);
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SendData(0x2C);
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SendCommand(0x06);
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SendData(0x6F);
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SendData(0x1F);
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SendData(0x1F);
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SendData(0x22);
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SendCommand(0x08);
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SendData(0x6F);
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SendData(0x1F);
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SendData(0x1F);
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SendData(0x22);
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SendCommand(0x13); // IPC
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SendData(0x00);
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SendData(0x04);
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SendCommand(0x30);
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SendData(0x3C);
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SendCommand(0x41); // TSE
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SendData(0x00);
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SendCommand(0x50);
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SendData(0x3F);
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SendCommand(0x60);
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SendData(0x02);
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SendData(0x00);
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SendCommand(0x61);
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SendData(0x03);
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SendData(0x20);
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SendData(0x01);
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SendData(0xE0);
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SendCommand(0x82);
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SendData(0x1E);
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SendCommand(0x84);
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SendData(0x00);
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SendCommand(0x86); // AGID
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SendData(0x00);
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SendCommand(0xE3);
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SendData(0x2F);
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SendCommand(0xE0); // CCSET
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SendData(0x00);
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SendCommand(0xE6); // TSSET
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SendData(0x00);
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return 0;
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}
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/**
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* @brief: basic function for sending commands
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*/
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void Epd::SendCommand(unsigned char command)
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{
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DigitalWrite(dc_pin, LOW);
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SpiTransfer(command);
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}
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/**
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* @brief: basic function for sending data
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*/
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void Epd::SendData(unsigned char data)
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{
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DigitalWrite(dc_pin, HIGH);
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SpiTransfer(data);
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}
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void Epd::EPD_7IN3F_BusyHigh(void) // If BUSYN=0 then waiting
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{
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while (!DigitalRead(BUSY_PIN))
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{
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DelayMs(1);
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}
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}
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/**
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* @brief: module reset.
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* often used to awaken the module in deep sleep,
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* see Epd::Sleep();
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*/
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void Epd::Reset(void)
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{
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DigitalWrite(reset_pin, HIGH);
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DelayMs(20);
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DigitalWrite(reset_pin, LOW); // module reset
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DelayMs(1);
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DigitalWrite(reset_pin, HIGH);
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DelayMs(20);
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}
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void Epd::TurnOnDisplay(void)
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{
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SendCommand(0x04); // POWER_ON
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EPD_7IN3F_BusyHigh();
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SendCommand(0x12); // DISPLAY_REFRESH
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SendData(0x00);
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EPD_7IN3F_BusyHigh();
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SendCommand(0x02); // POWER_OFF
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SendData(0x00);
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EPD_7IN3F_BusyHigh();
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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::EPD_7IN3F_Display(const UBYTE *image)
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{
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unsigned long i, j;
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SendCommand(0x10);
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for (i = 0; i < height; i++)
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{
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for (j = 0; j < width / 2; j++)
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{
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SendData(image[j + (width / 2) * i]);
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}
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}
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TurnOnDisplay();
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}
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/******************************************************************************
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function : Sends the part image buffer in RAM to e-Paper and displays
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parameter:
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******************************************************************************/
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void Epd::EPD_7IN3F_Display_part(const UBYTE *image, UWORD xstart, UWORD ystart,
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UWORD image_width, UWORD image_heigh)
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{
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unsigned long i, j;
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SendCommand(0x10);
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for (i = 0; i < height; i++)
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{
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for (j = 0; j < width / 2; j++)
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{
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if (i < image_heigh + ystart && i >= ystart && j < (image_width + xstart) / 2 && j >= xstart / 2)
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{
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SendData(pgm_read_byte(&image[(j - xstart / 2) + (image_width / 2 * (i - ystart))]));
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}
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else
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{
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SendData(0x11);
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}
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}
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}
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TurnOnDisplay();
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}
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/******************************************************************************
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function : show 7 kind of color block
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parameter:
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******************************************************************************/
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void Epd::EPD_7IN3F_Show7Block(void)
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{
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unsigned long i, j, k;
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unsigned char const Color_seven[8] =
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{EPD_7IN3F_BLACK, EPD_7IN3F_BLUE, EPD_7IN3F_GREEN, EPD_7IN3F_ORANGE,
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EPD_7IN3F_RED, EPD_7IN3F_YELLOW, EPD_7IN3F_WHITE, EPD_7IN3F_WHITE};
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SendCommand(0x10);
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for (i = 0; i < 240; i++)
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{
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for (k = 0; k < 4; k++)
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{
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for (j = 0; j < 100; j++)
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{
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SendData((Color_seven[k] << 4) | Color_seven[k]);
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}
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}
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}
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for (i = 0; i < 240; i++)
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{
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for (k = 4; k < 8; k++)
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{
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for (j = 0; j < 100; j++)
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{
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SendData((Color_seven[k] << 4) | Color_seven[k]);
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}
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}
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}
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TurnOnDisplay();
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}
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/******************************************************************************
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function :
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Clear screen
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******************************************************************************/
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void Epd::Clear(UBYTE color)
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{
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SendCommand(0x10);
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for (int i = 0; i < width / 2; i++)
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{
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for (int j = 0; j < height; j++)
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{
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SendData((color << 4) | color);
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}
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}
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TurnOnDisplay();
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}
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/**
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* @brief: After this command is transmitted, the chip would enter the
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* deep-sleep mode to save power.
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* The deep sleep mode would return to standby by hardware reset.
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* The only one parameter is a check code, the command would be
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* You can use EPD_Reset() to awaken
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*/
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void Epd::Sleep(void)
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{
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SendCommand(0x07);
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SendData(0xA5);
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DelayMs(10);
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DigitalWrite(RST_PIN, 0); // Reset
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}
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#endif
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/* END OF FILE */
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