first commit
This commit is contained in:
commit
9005e49d82
3071 changed files with 1941927 additions and 0 deletions
392
e-Paper/Arduino/epd4in2b_V2/epd4in2b_V2.cpp
Normal file
392
e-Paper/Arduino/epd4in2b_V2/epd4in2b_V2.cpp
Normal file
|
|
@ -0,0 +1,392 @@
|
|||
/**
|
||||
* @filename : epd4in2b_V2.cpp
|
||||
* @brief : Implements for Dual-color e-paper library
|
||||
* @author : Yehui from Waveshare
|
||||
*
|
||||
* Copyright (C) Waveshare Nov 25 2020
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documnetation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*/
|
||||
|
||||
#include <stdlib.h>
|
||||
#include "epd4in2b_V2.h"
|
||||
|
||||
Epd::~Epd() {
|
||||
};
|
||||
|
||||
Epd::Epd() {
|
||||
flag=0;
|
||||
reset_pin = RST_PIN;
|
||||
dc_pin = DC_PIN;
|
||||
cs_pin = CS_PIN;
|
||||
busy_pin = BUSY_PIN;
|
||||
width = EPD_WIDTH;
|
||||
height = EPD_HEIGHT;
|
||||
};
|
||||
|
||||
int Epd::Init_old(void) {
|
||||
Reset();
|
||||
SendCommand(0x04);
|
||||
ReadBusy();
|
||||
|
||||
SendCommand(0x00);
|
||||
SendData(0x0F); // LUT from OTP
|
||||
|
||||
// /* EPD hardware init end */
|
||||
return 0;
|
||||
}
|
||||
|
||||
int Epd::Init_new(void) {
|
||||
|
||||
Reset();
|
||||
|
||||
ReadBusy();
|
||||
SendCommand(0x12);
|
||||
ReadBusy();
|
||||
|
||||
SendCommand(0x3C); //BorderWavefrom
|
||||
SendData(0x05);
|
||||
|
||||
SendCommand(0x18); //Read built-in temperature sensor
|
||||
SendData(0x80);
|
||||
|
||||
SendCommand(0x11); //data entry mode
|
||||
SendData(0x03);
|
||||
|
||||
SendCommand(0x44); //set Ram-X address start/end position
|
||||
SendData(0x00);
|
||||
SendData(width/8-1);
|
||||
|
||||
SendCommand(0x45); //set Ram-Y address start/end position
|
||||
SendData(0x00);
|
||||
SendData(0x00);
|
||||
SendData((height-1)%256);
|
||||
SendData((height-1)/256);
|
||||
|
||||
SendCommand(0x4E); // set RAM x address count to 0;
|
||||
SendData(0x00);
|
||||
SendCommand(0x4F); // set RAM y address count to 0X199;
|
||||
SendData(0x00);
|
||||
SendData(0x00);
|
||||
ReadBusy();
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int Epd::Init(void) {
|
||||
unsigned char i=0;
|
||||
|
||||
/* this calls the peripheral hardware interface, see epdif */
|
||||
if (IfInit() != 0) {
|
||||
return -1;
|
||||
}
|
||||
/* EPD hardware init start */
|
||||
Reset();
|
||||
|
||||
EPD_GPIO_Init();
|
||||
digitalWrite(dc_pin, 0);
|
||||
EPD_SendData(0x2F);
|
||||
DelayMs(50);
|
||||
|
||||
digitalWrite(dc_pin, 1);
|
||||
i = EPD_ReadData();
|
||||
printf("%02x\n",i);
|
||||
|
||||
EPD_SPI_Init();
|
||||
if(i == 0x01)
|
||||
{
|
||||
flag = 0;
|
||||
Init_new();
|
||||
}
|
||||
else
|
||||
{
|
||||
flag = 1;
|
||||
Init_old();
|
||||
}
|
||||
|
||||
// /* EPD hardware init end */
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief: basic function for sending commands
|
||||
*/
|
||||
void Epd::SendCommand(unsigned char command) {
|
||||
DigitalWrite(dc_pin, LOW);
|
||||
SpiTransfer(command);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief: basic function for sending data
|
||||
*/
|
||||
void Epd::SendData(unsigned char data) {
|
||||
DigitalWrite(dc_pin, HIGH);
|
||||
SpiTransfer(data);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief: Wait until the busy_pin goes HIGH
|
||||
*/
|
||||
void Epd::ReadBusy(void) {
|
||||
if(flag == 0)
|
||||
{
|
||||
while(DigitalRead(busy_pin) == 1) {
|
||||
DelayMs(100);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
while(DigitalRead(busy_pin) == 0) {
|
||||
DelayMs(100);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief: module reset.
|
||||
* often used to awaken the module in deep sleep,
|
||||
* see Epd::Sleep();
|
||||
*/
|
||||
void Epd::Reset(void) {
|
||||
DigitalWrite(reset_pin, HIGH);
|
||||
DelayMs(200);
|
||||
DigitalWrite(reset_pin, LOW);
|
||||
DelayMs(2);
|
||||
DigitalWrite(reset_pin, HIGH);
|
||||
DelayMs(200);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief: transmit partial data to the black part of SRAM
|
||||
*/
|
||||
void Epd::Display_Window_Black(const UBYTE *image, UBYTE count) {
|
||||
UBYTE k;
|
||||
if(count == 0 && flag == 0)
|
||||
SendCommand(0x24);
|
||||
else if(count == 0)
|
||||
SendCommand(0x10);
|
||||
|
||||
for (UWORD j = 0; j < 100; j++) {
|
||||
for (UWORD i = 0; i < 50; i++) {
|
||||
if(i<16)
|
||||
{
|
||||
SendData(image[i + (j*16)]);
|
||||
}
|
||||
else
|
||||
{
|
||||
SendData(0xFF);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief: transmit partial data to the red part of SRAM
|
||||
*/
|
||||
void Epd::Display_Window_Red_new(const UBYTE *image, UBYTE count) {
|
||||
UBYTE k;
|
||||
if(count == 0)
|
||||
SendCommand(0x26);
|
||||
|
||||
for (UWORD j = 0; j < 100; j++) {
|
||||
for (UWORD i = 0; i < 50; i++) {
|
||||
if(i<16)
|
||||
{
|
||||
SendData(~image[i + (j*16)]);
|
||||
}
|
||||
else
|
||||
{
|
||||
SendData(0x00);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
void Epd::Display_Window_Red_old(const UBYTE *image, UBYTE count) {
|
||||
UBYTE k;
|
||||
if(count == 0)
|
||||
SendCommand(0x13);
|
||||
|
||||
for (UWORD j = 0; j < 100; j++) {
|
||||
for (UWORD i = 0; i < 50; i++) {
|
||||
if(i<16)
|
||||
{
|
||||
SendData(image[i + (j*16)]);
|
||||
}
|
||||
else
|
||||
{
|
||||
SendData(0xFF);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
void Epd::Display_Window_Red(const UBYTE *image, UBYTE count) {
|
||||
if(flag == 0)
|
||||
Display_Window_Red_new(image, count);
|
||||
else
|
||||
Display_Window_Red_old(image, count);
|
||||
}
|
||||
|
||||
void Epd::DisplayFrame(void) {
|
||||
if(flag == 0)
|
||||
{
|
||||
SendCommand(0x22);
|
||||
SendData(0xF7);
|
||||
SendCommand(0x20);
|
||||
ReadBusy();
|
||||
}
|
||||
else
|
||||
{
|
||||
SendCommand(0x12);
|
||||
DelayMs(100);
|
||||
ReadBusy();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief: refresh and displays the frame
|
||||
*/
|
||||
void Epd::Display_old(const UBYTE *blackimage, const UBYTE *ryimage) {
|
||||
UBYTE k;
|
||||
SendCommand(0x10);
|
||||
for (UWORD j = 0; j < height; j++) {
|
||||
for (UWORD i = 0; i < width/8; i++) {
|
||||
SendData(pgm_read_byte(&blackimage[i + (j*width/8)]));
|
||||
}
|
||||
}
|
||||
|
||||
SendCommand(0x13);
|
||||
for (UWORD j = 0; j < height; j++) {
|
||||
for (UWORD i = 0; i < width/8; i++) {
|
||||
SendData(pgm_read_byte(&ryimage[i + (j*width/8)]));
|
||||
}
|
||||
}
|
||||
SendCommand(0x12);
|
||||
DelayMs(100);
|
||||
ReadBusy();
|
||||
}
|
||||
|
||||
void Epd::Display_new(const UBYTE *blackimage, const UBYTE *ryimage) {
|
||||
UBYTE k;
|
||||
SendCommand(0x24);
|
||||
for (UWORD j = 0; j < height; j++) {
|
||||
for (UWORD i = 0; i < width/8; i++) {
|
||||
SendData(pgm_read_byte(&blackimage[i + (j*width/8)]));
|
||||
}
|
||||
}
|
||||
|
||||
SendCommand(0x26);
|
||||
for (UWORD j = 0; j < height; j++) {
|
||||
for (UWORD i = 0; i < width/8; i++) {
|
||||
k = pgm_read_byte(&ryimage[i + (j*width/8)]);
|
||||
SendData(~k);
|
||||
}
|
||||
}
|
||||
SendCommand(0x22);
|
||||
SendData(0xF7);
|
||||
SendCommand(0x20);
|
||||
ReadBusy();
|
||||
}
|
||||
|
||||
void Epd::Display(const UBYTE *blackimage, const UBYTE *ryimage) {
|
||||
if(flag == 0)
|
||||
Display_new(blackimage, ryimage);
|
||||
else
|
||||
Display_old(blackimage, ryimage);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief: clear the frame data from the SRAM, this won't refresh the display
|
||||
*/
|
||||
void Epd::Clear_new() {
|
||||
//send black data
|
||||
SendCommand(0x24);
|
||||
for (UWORD j = 0; j < height; j++) {
|
||||
for (UWORD i = 0; i < width/8; i++) {
|
||||
SendData(0xff);
|
||||
}
|
||||
}
|
||||
//send red data
|
||||
SendCommand(0x26);
|
||||
for (UWORD j = 0; j < height; j++) {
|
||||
for (UWORD i = 0; i < width/8; i++) {
|
||||
SendData(0x00);
|
||||
}
|
||||
}
|
||||
SendCommand(0x22);
|
||||
SendData(0xF7);
|
||||
SendCommand(0x20);
|
||||
ReadBusy();
|
||||
}
|
||||
|
||||
void Epd::Clear_old() {
|
||||
//send black data
|
||||
SendCommand(0x10);
|
||||
for (UWORD j = 0; j < height; j++) {
|
||||
for (UWORD i = 0; i < width/8; i++) {
|
||||
SendData(0xff);
|
||||
}
|
||||
}
|
||||
//send red data
|
||||
SendCommand(0x13);
|
||||
for (UWORD j = 0; j < height; j++) {
|
||||
for (UWORD i = 0; i < width/8; i++) {
|
||||
SendData(0xff);
|
||||
}
|
||||
}
|
||||
SendCommand(0x12);
|
||||
DelayMs(100);
|
||||
ReadBusy();
|
||||
}
|
||||
|
||||
void Epd::Clear() {
|
||||
if(flag == 0)
|
||||
Clear_new();
|
||||
else
|
||||
Clear_old();
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief: After this command is transmitted, the chip would enter the deep-sleep mode to save power.
|
||||
* The deep sleep mode would return to standby by hardware reset. The only one parameter is a
|
||||
* check code, the command would be executed if check code = 0xA5.
|
||||
* You can use Epd::Reset() to awaken and use Epd::Init() to initialize.
|
||||
*/
|
||||
void Epd::Sleep_new(void) {
|
||||
SendCommand(0x10);
|
||||
SendData(0x01);
|
||||
}
|
||||
|
||||
void Epd::Sleep_old() {
|
||||
SendCommand(0X50);
|
||||
SendData(0xf7);
|
||||
SendCommand(0x02);
|
||||
ReadBusy();
|
||||
SendCommand(0x07);
|
||||
SendData(0XA5);
|
||||
}
|
||||
|
||||
void Epd::Sleep(void) {
|
||||
if(flag == 0)
|
||||
Sleep_new();
|
||||
else
|
||||
Sleep_old();
|
||||
}
|
||||
|
||||
|
||||
/* END OF FILE */
|
||||
Loading…
Add table
Add a link
Reference in a new issue