370 lines
12 KiB
C
370 lines
12 KiB
C
/*****************************************************************************
|
|
* | File : EPD_2in13_V4.c
|
|
* | Author : Waveshare team
|
|
* | Function : 2.13inch e-paper V4
|
|
* | Info :
|
|
*----------------
|
|
* | This version: V1.1
|
|
* | Date : 2021-10-30
|
|
* | Info :
|
|
* -----------------------------------------------------------------------------
|
|
#
|
|
# 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 "EPD_2in13_V4.h"
|
|
#include "../Config/Debug.h"
|
|
|
|
/******************************************************************************
|
|
function : Software reset
|
|
parameter:
|
|
******************************************************************************/
|
|
static void EPD_2in13_V4_Reset(void)
|
|
{
|
|
DEV_Digital_Write(EPD_RST_PIN, 1);
|
|
DEV_Delay_ms(20);
|
|
DEV_Digital_Write(EPD_RST_PIN, 0);
|
|
DEV_Delay_ms(2);
|
|
DEV_Digital_Write(EPD_RST_PIN, 1);
|
|
DEV_Delay_ms(20);
|
|
}
|
|
|
|
/******************************************************************************
|
|
function : send command
|
|
parameter:
|
|
Reg : Command register
|
|
******************************************************************************/
|
|
static void EPD_2in13_V4_SendCommand(UBYTE Reg)
|
|
{
|
|
DEV_Digital_Write(EPD_DC_PIN, 0);
|
|
DEV_Digital_Write(EPD_CS_PIN, 0);
|
|
DEV_SPI_WriteByte(Reg);
|
|
DEV_Digital_Write(EPD_CS_PIN, 1);
|
|
}
|
|
|
|
/******************************************************************************
|
|
function : send data
|
|
parameter:
|
|
Data : Write data
|
|
******************************************************************************/
|
|
static void EPD_2in13_V4_SendData(UBYTE Data)
|
|
{
|
|
DEV_Digital_Write(EPD_DC_PIN, 1);
|
|
DEV_Digital_Write(EPD_CS_PIN, 0);
|
|
DEV_SPI_WriteByte(Data);
|
|
DEV_Digital_Write(EPD_CS_PIN, 1);
|
|
}
|
|
|
|
/******************************************************************************
|
|
function : Wait until the busy_pin goes LOW
|
|
parameter:
|
|
******************************************************************************/
|
|
void EPD_2in13_V4_ReadBusy(void)
|
|
{
|
|
Debug("e-Paper busy\r\n");
|
|
while(1)
|
|
{ //=1 BUSY
|
|
if(DEV_Digital_Read(EPD_BUSY_PIN)==0)
|
|
break;
|
|
DEV_Delay_ms(10);
|
|
}
|
|
DEV_Delay_ms(10);
|
|
Debug("e-Paper busy release\r\n");
|
|
}
|
|
|
|
/******************************************************************************
|
|
function : Setting the display window
|
|
parameter:
|
|
Xstart : X-axis starting position
|
|
Ystart : Y-axis starting position
|
|
Xend : End position of X-axis
|
|
Yend : End position of Y-axis
|
|
******************************************************************************/
|
|
static void EPD_2in13_V4_SetWindows(UWORD Xstart, UWORD Ystart, UWORD Xend, UWORD Yend)
|
|
{
|
|
EPD_2in13_V4_SendCommand(0x44); // SET_RAM_X_ADDRESS_START_END_POSITION
|
|
EPD_2in13_V4_SendData((Xstart>>3) & 0xFF);
|
|
EPD_2in13_V4_SendData((Xend>>3) & 0xFF);
|
|
|
|
EPD_2in13_V4_SendCommand(0x45); // SET_RAM_Y_ADDRESS_START_END_POSITION
|
|
EPD_2in13_V4_SendData(Ystart & 0xFF);
|
|
EPD_2in13_V4_SendData((Ystart >> 8) & 0xFF);
|
|
EPD_2in13_V4_SendData(Yend & 0xFF);
|
|
EPD_2in13_V4_SendData((Yend >> 8) & 0xFF);
|
|
}
|
|
|
|
/******************************************************************************
|
|
function : Set Cursor
|
|
parameter:
|
|
Xstart : X-axis starting position
|
|
Ystart : Y-axis starting position
|
|
******************************************************************************/
|
|
static void EPD_2in13_V4_SetCursor(UWORD Xstart, UWORD Ystart)
|
|
{
|
|
EPD_2in13_V4_SendCommand(0x4E); // SET_RAM_X_ADDRESS_COUNTER
|
|
EPD_2in13_V4_SendData(Xstart & 0xFF);
|
|
|
|
EPD_2in13_V4_SendCommand(0x4F); // SET_RAM_Y_ADDRESS_COUNTER
|
|
EPD_2in13_V4_SendData(Ystart & 0xFF);
|
|
EPD_2in13_V4_SendData((Ystart >> 8) & 0xFF);
|
|
}
|
|
|
|
/******************************************************************************
|
|
function : Turn On Display
|
|
parameter:
|
|
******************************************************************************/
|
|
static void EPD_2in13_V4_TurnOnDisplay(void)
|
|
{
|
|
EPD_2in13_V4_SendCommand(0x22); // Display Update Control
|
|
EPD_2in13_V4_SendData(0xf7);
|
|
EPD_2in13_V4_SendCommand(0x20); // Activate Display Update Sequence
|
|
EPD_2in13_V4_ReadBusy();
|
|
}
|
|
|
|
static void EPD_2in13_V4_TurnOnDisplay_Fast(void)
|
|
{
|
|
EPD_2in13_V4_SendCommand(0x22); // Display Update Control
|
|
EPD_2in13_V4_SendData(0xc7); // fast:0x0c, quality:0x0f, 0xcf
|
|
EPD_2in13_V4_SendCommand(0x20); // Activate Display Update Sequence
|
|
EPD_2in13_V4_ReadBusy();
|
|
}
|
|
|
|
static void EPD_2in13_V4_TurnOnDisplay_Partial(void)
|
|
{
|
|
EPD_2in13_V4_SendCommand(0x22); // Display Update Control
|
|
EPD_2in13_V4_SendData(0xff); // fast:0x0c, quality:0x0f, 0xcf
|
|
EPD_2in13_V4_SendCommand(0x20); // Activate Display Update Sequence
|
|
EPD_2in13_V4_ReadBusy();
|
|
}
|
|
|
|
/******************************************************************************
|
|
function : Initialize the e-Paper register
|
|
parameter:
|
|
******************************************************************************/
|
|
void EPD_2in13_V4_Init(void)
|
|
{
|
|
EPD_2in13_V4_Reset();
|
|
|
|
EPD_2in13_V4_ReadBusy();
|
|
EPD_2in13_V4_SendCommand(0x12); //SWRESET
|
|
EPD_2in13_V4_ReadBusy();
|
|
|
|
EPD_2in13_V4_SendCommand(0x01); //Driver output control
|
|
EPD_2in13_V4_SendData(0xF9);
|
|
EPD_2in13_V4_SendData(0x00);
|
|
EPD_2in13_V4_SendData(0x00);
|
|
|
|
EPD_2in13_V4_SendCommand(0x11); //data entry mode
|
|
EPD_2in13_V4_SendData(0x03);
|
|
|
|
EPD_2in13_V4_SetWindows(0, 0, EPD_2in13_V4_WIDTH-1, EPD_2in13_V4_HEIGHT-1);
|
|
EPD_2in13_V4_SetCursor(0, 0);
|
|
|
|
EPD_2in13_V4_SendCommand(0x3C); //BorderWavefrom
|
|
EPD_2in13_V4_SendData(0x05);
|
|
|
|
EPD_2in13_V4_SendCommand(0x21); // Display update control
|
|
EPD_2in13_V4_SendData(0x00);
|
|
EPD_2in13_V4_SendData(0x80);
|
|
|
|
EPD_2in13_V4_SendCommand(0x18); //Read built-in temperature sensor
|
|
EPD_2in13_V4_SendData(0x80);
|
|
EPD_2in13_V4_ReadBusy();
|
|
}
|
|
|
|
void EPD_2in13_V4_Init_Fast(void)
|
|
{
|
|
EPD_2in13_V4_Reset();
|
|
|
|
EPD_2in13_V4_SendCommand(0x12); //SWRESET
|
|
EPD_2in13_V4_ReadBusy();
|
|
|
|
EPD_2in13_V4_SendCommand(0x18); //Read built-in temperature sensor
|
|
EPD_2in13_V4_SendData(0x80);
|
|
|
|
EPD_2in13_V4_SendCommand(0x11); //data entry mode
|
|
EPD_2in13_V4_SendData(0x03);
|
|
|
|
EPD_2in13_V4_SetWindows(0, 0, EPD_2in13_V4_WIDTH-1, EPD_2in13_V4_HEIGHT-1);
|
|
EPD_2in13_V4_SetCursor(0, 0);
|
|
|
|
EPD_2in13_V4_SendCommand(0x22); // Load temperature value
|
|
EPD_2in13_V4_SendData(0xB1);
|
|
EPD_2in13_V4_SendCommand(0x20);
|
|
EPD_2in13_V4_ReadBusy();
|
|
|
|
EPD_2in13_V4_SendCommand(0x1A); // Write to temperature register
|
|
EPD_2in13_V4_SendData(0x64);
|
|
EPD_2in13_V4_SendData(0x00);
|
|
|
|
EPD_2in13_V4_SendCommand(0x22); // Load temperature value
|
|
EPD_2in13_V4_SendData(0x91);
|
|
EPD_2in13_V4_SendCommand(0x20);
|
|
EPD_2in13_V4_ReadBusy();
|
|
}
|
|
|
|
/******************************************************************************
|
|
function : Clear screen
|
|
parameter:
|
|
******************************************************************************/
|
|
void EPD_2in13_V4_Clear(void)
|
|
{
|
|
UWORD Width, Height;
|
|
Width = (EPD_2in13_V4_WIDTH % 8 == 0)? (EPD_2in13_V4_WIDTH / 8 ): (EPD_2in13_V4_WIDTH / 8 + 1);
|
|
Height = EPD_2in13_V4_HEIGHT;
|
|
|
|
EPD_2in13_V4_SendCommand(0x24);
|
|
for (UWORD j = 0; j < Height; j++) {
|
|
for (UWORD i = 0; i < Width; i++) {
|
|
EPD_2in13_V4_SendData(0XFF);
|
|
}
|
|
}
|
|
|
|
EPD_2in13_V4_TurnOnDisplay();
|
|
}
|
|
|
|
void EPD_2in13_V4_Clear_Black(void)
|
|
{
|
|
UWORD Width, Height;
|
|
Width = (EPD_2in13_V4_WIDTH % 8 == 0)? (EPD_2in13_V4_WIDTH / 8 ): (EPD_2in13_V4_WIDTH / 8 + 1);
|
|
Height = EPD_2in13_V4_HEIGHT;
|
|
|
|
EPD_2in13_V4_SendCommand(0x24);
|
|
for (UWORD j = 0; j < Height; j++) {
|
|
for (UWORD i = 0; i < Width; i++) {
|
|
EPD_2in13_V4_SendData(0X00);
|
|
}
|
|
}
|
|
|
|
EPD_2in13_V4_TurnOnDisplay();
|
|
}
|
|
|
|
/******************************************************************************
|
|
function : Sends the image buffer in RAM to e-Paper and displays
|
|
parameter:
|
|
Image : Image data
|
|
******************************************************************************/
|
|
void EPD_2in13_V4_Display(UBYTE *Image)
|
|
{
|
|
UWORD Width, Height;
|
|
Width = (EPD_2in13_V4_WIDTH % 8 == 0)? (EPD_2in13_V4_WIDTH / 8 ): (EPD_2in13_V4_WIDTH / 8 + 1);
|
|
Height = EPD_2in13_V4_HEIGHT;
|
|
|
|
EPD_2in13_V4_SendCommand(0x24);
|
|
for (UWORD j = 0; j < Height; j++) {
|
|
for (UWORD i = 0; i < Width; i++) {
|
|
EPD_2in13_V4_SendData(Image[i + j * Width]);
|
|
}
|
|
}
|
|
|
|
EPD_2in13_V4_TurnOnDisplay();
|
|
}
|
|
|
|
void EPD_2in13_V4_Display_Fast(UBYTE *Image)
|
|
{
|
|
UWORD Width, Height;
|
|
Width = (EPD_2in13_V4_WIDTH % 8 == 0)? (EPD_2in13_V4_WIDTH / 8 ): (EPD_2in13_V4_WIDTH / 8 + 1);
|
|
Height = EPD_2in13_V4_HEIGHT;
|
|
|
|
EPD_2in13_V4_SendCommand(0x24);
|
|
for (UWORD j = 0; j < Height; j++) {
|
|
for (UWORD i = 0; i < Width; i++) {
|
|
EPD_2in13_V4_SendData(Image[i + j * Width]);
|
|
}
|
|
}
|
|
|
|
EPD_2in13_V4_TurnOnDisplay_Fast();
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
function : Refresh a base image
|
|
parameter:
|
|
Image : Image data
|
|
******************************************************************************/
|
|
void EPD_2in13_V4_Display_Base(UBYTE *Image)
|
|
{
|
|
UWORD Width, Height;
|
|
Width = (EPD_2in13_V4_WIDTH % 8 == 0)? (EPD_2in13_V4_WIDTH / 8 ): (EPD_2in13_V4_WIDTH / 8 + 1);
|
|
Height = EPD_2in13_V4_HEIGHT;
|
|
|
|
EPD_2in13_V4_SendCommand(0x24); //Write Black and White image to RAM
|
|
for (UWORD j = 0; j < Height; j++) {
|
|
for (UWORD i = 0; i < Width; i++) {
|
|
EPD_2in13_V4_SendData(Image[i + j * Width]);
|
|
}
|
|
}
|
|
EPD_2in13_V4_SendCommand(0x26); //Write Black and White image to RAM
|
|
for (UWORD j = 0; j < Height; j++) {
|
|
for (UWORD i = 0; i < Width; i++) {
|
|
EPD_2in13_V4_SendData(Image[i + j * Width]);
|
|
}
|
|
}
|
|
EPD_2in13_V4_TurnOnDisplay();
|
|
}
|
|
|
|
/******************************************************************************
|
|
function : Sends the image buffer in RAM to e-Paper and partial refresh
|
|
parameter:
|
|
Image : Image data
|
|
******************************************************************************/
|
|
void EPD_2in13_V4_Display_Partial(UBYTE *Image)
|
|
{
|
|
UWORD Width, Height;
|
|
Width = (EPD_2in13_V4_WIDTH % 8 == 0)? (EPD_2in13_V4_WIDTH / 8 ): (EPD_2in13_V4_WIDTH / 8 + 1);
|
|
Height = EPD_2in13_V4_HEIGHT;
|
|
|
|
//Reset
|
|
DEV_Digital_Write(EPD_RST_PIN, 0);
|
|
DEV_Delay_ms(1);
|
|
DEV_Digital_Write(EPD_RST_PIN, 1);
|
|
|
|
EPD_2in13_V4_SendCommand(0x3C); //BorderWavefrom
|
|
EPD_2in13_V4_SendData(0x80);
|
|
|
|
EPD_2in13_V4_SendCommand(0x01); //Driver output control
|
|
EPD_2in13_V4_SendData(0xF9);
|
|
EPD_2in13_V4_SendData(0x00);
|
|
EPD_2in13_V4_SendData(0x00);
|
|
|
|
EPD_2in13_V4_SendCommand(0x11); //data entry mode
|
|
EPD_2in13_V4_SendData(0x03);
|
|
|
|
EPD_2in13_V4_SetWindows(0, 0, EPD_2in13_V4_WIDTH-1, EPD_2in13_V4_HEIGHT-1);
|
|
EPD_2in13_V4_SetCursor(0, 0);
|
|
|
|
EPD_2in13_V4_SendCommand(0x24); //Write Black and White image to RAM
|
|
for (UWORD j = 0; j < Height; j++) {
|
|
for (UWORD i = 0; i < Width; i++) {
|
|
EPD_2in13_V4_SendData(Image[i + j * Width]);
|
|
}
|
|
}
|
|
EPD_2in13_V4_TurnOnDisplay_Partial();
|
|
}
|
|
|
|
/******************************************************************************
|
|
function : Enter sleep mode
|
|
parameter:
|
|
******************************************************************************/
|
|
void EPD_2in13_V4_Sleep(void)
|
|
{
|
|
EPD_2in13_V4_SendCommand(0x10); //enter deep sleep
|
|
EPD_2in13_V4_SendData(0x01);
|
|
DEV_Delay_ms(100);
|
|
} |