2023-03-10 02:20:01 +08:00

385 lines
12 KiB
C

/*****************************************************************************
* | File : EPD_1in54_V2.c
* | Author : Waveshare team
* | Function : 1.54inch e-paper V2
* | Info :
*----------------
* | This version: V1.0
* | Date : 2019-06-11
* | 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_1in54_V2.h"
#ifdef EPD_1IN54_V2
// waveform full refresh
unsigned char WF_Full_1IN54[159] =
{
0x80, 0x48, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x40, 0x48, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x80, 0x48, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x40, 0x48, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0xA, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x8, 0x1, 0x0, 0x8, 0x1, 0x0, 0x2,
0xA, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x0, 0x0, 0x0,
0x22, 0x17, 0x41, 0x0, 0x32, 0x20
};
// waveform partial refresh(fast)
unsigned char WF_PARTIAL_1IN54_0[159] =
{
0x0,0x40,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x80,0x80,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x40,0x40,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x80,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0xF,0x0,0x0,0x0,0x0,0x0,0x0,
0x1,0x1,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x0,0x0,0x0,0x0,0x0,0x0,0x0,
0x22,0x22,0x22,0x22,0x22,0x22,0x0,0x0,0x0,
0x02,0x17,0x41,0xB0,0x32,0x28,
};
/******************************************************************************
function : Software reset
parameter:
******************************************************************************/
static void EPD_1IN54_V2_Reset(void)
{
EPD_Digital_Write(EPD_RST_PIN, 1);
EPD_Delay_ms(200);
EPD_Digital_Write(EPD_RST_PIN, 0);
EPD_Delay_ms(2);
EPD_Digital_Write(EPD_RST_PIN, 1);
EPD_Delay_ms(200);
}
/******************************************************************************
function : send command
parameter:
Reg : Command register
******************************************************************************/
static void EPD_1IN54_V2_SendCommand(UBYTE Reg)
{
EPD_Digital_Write(EPD_DC_PIN, 0);
EPD_Digital_Write(EPD_CS_PIN, 0);
EPD_SPI_WriteByte(Reg);
EPD_Digital_Write(EPD_CS_PIN, 1);
}
/******************************************************************************
function : send data
parameter:
Data : Write data
******************************************************************************/
static void EPD_1IN54_V2_SendData(UBYTE Data)
{
EPD_Digital_Write(EPD_DC_PIN, 1);
EPD_Digital_Write(EPD_CS_PIN, 0);
EPD_SPI_WriteByte(Data);
EPD_Digital_Write(EPD_CS_PIN, 1);
}
/******************************************************************************
function : Wait until the busy_pin goes LOW
parameter:
******************************************************************************/
static void EPD_1IN54_V2_ReadBusy(void)
{
EPD_Printf("e-Paper busy\r\n");
while(EPD_Digital_Read(EPD_BUSY_PIN) == 1) { //LOW: idle, HIGH: busy
EPD_Delay_ms(10);
}
EPD_Printf("e-Paper busy release\r\n");
}
/******************************************************************************
function : Turn On Display full
parameter:
******************************************************************************/
static void EPD_1IN54_V2_TurnOnDisplay(void)
{
EPD_1IN54_V2_SendCommand(0x22);
EPD_1IN54_V2_SendData(0xc7);
EPD_1IN54_V2_SendCommand(0x20);
EPD_1IN54_V2_ReadBusy();
}
/******************************************************************************
function : Turn On Display part
parameter:
******************************************************************************/
static void EPD_1IN54_V2_TurnOnDisplayPart(void)
{
EPD_1IN54_V2_SendCommand(0x22);
EPD_1IN54_V2_SendData(0xcF);
EPD_1IN54_V2_SendCommand(0x20);
EPD_1IN54_V2_ReadBusy();
}
static void EPD_1IN54_V2_Lut(UBYTE *lut)
{
EPD_1IN54_V2_SendCommand(0x32);
for(UBYTE i=0; i<153; i++)
EPD_1IN54_V2_SendData(lut[i]);
EPD_1IN54_V2_ReadBusy();
}
static void EPD_1IN54_V2_SetLut(UBYTE *lut)
{
EPD_1IN54_V2_Lut(lut);
EPD_1IN54_V2_SendCommand(0x3f);
EPD_1IN54_V2_SendData(lut[153]);
EPD_1IN54_V2_SendCommand(0x03);
EPD_1IN54_V2_SendData(lut[154]);
EPD_1IN54_V2_SendCommand(0x04);
EPD_1IN54_V2_SendData(lut[155]);
EPD_1IN54_V2_SendData(lut[156]);
EPD_1IN54_V2_SendData(lut[157]);
EPD_1IN54_V2_SendCommand(0x2c);
EPD_1IN54_V2_SendData(lut[158]);
}
static void EPD_1IN54_V2_SetWindows(UWORD Xstart, UWORD Ystart, UWORD Xend, UWORD Yend)
{
EPD_1IN54_V2_SendCommand(0x44); // SET_RAM_X_ADDRESS_START_END_POSITION
EPD_1IN54_V2_SendData((Xstart>>3) & 0xFF);
EPD_1IN54_V2_SendData((Xend>>3) & 0xFF);
EPD_1IN54_V2_SendCommand(0x45); // SET_RAM_Y_ADDRESS_START_END_POSITION
EPD_1IN54_V2_SendData(Ystart & 0xFF);
EPD_1IN54_V2_SendData((Ystart >> 8) & 0xFF);
EPD_1IN54_V2_SendData(Yend & 0xFF);
EPD_1IN54_V2_SendData((Yend >> 8) & 0xFF);
}
static void EPD_1IN54_V2_SetCursor(UWORD Xstart, UWORD Ystart)
{
EPD_1IN54_V2_SendCommand(0x4E); // SET_RAM_X_ADDRESS_COUNTER
EPD_1IN54_V2_SendData(Xstart & 0xFF);
EPD_1IN54_V2_SendCommand(0x4F); // SET_RAM_Y_ADDRESS_COUNTER
EPD_1IN54_V2_SendData(Ystart & 0xFF);
EPD_1IN54_V2_SendData((Ystart >> 8) & 0xFF);
}
/******************************************************************************
function : Initialize the e-Paper register
parameter:
******************************************************************************/
void EPD_1IN54_V2_Init(void)
{
EPD_1IN54_V2_Reset();
EPD_1IN54_V2_ReadBusy();
EPD_1IN54_V2_SendCommand(0x12); //SWRESET
EPD_1IN54_V2_ReadBusy();
EPD_1IN54_V2_SendCommand(0x01); //Driver output control
EPD_1IN54_V2_SendData(0xC7);
EPD_1IN54_V2_SendData(0x00);
EPD_1IN54_V2_SendData(0x01);
EPD_1IN54_V2_SendCommand(0x11); //data entry mode
EPD_1IN54_V2_SendData(0x01);
EPD_1IN54_V2_SetWindows(0, EPD_1IN54_V2_HEIGHT-1, EPD_1IN54_V2_WIDTH-1, 0);
EPD_1IN54_V2_SendCommand(0x3C); //BorderWavefrom
EPD_1IN54_V2_SendData(0x01);
EPD_1IN54_V2_SendCommand(0x18);
EPD_1IN54_V2_SendData(0x80);
EPD_1IN54_V2_SendCommand(0x22); // //Load Temperature and waveform setting.
EPD_1IN54_V2_SendData(0XB1);
EPD_1IN54_V2_SendCommand(0x20);
EPD_1IN54_V2_SetCursor(0, EPD_1IN54_V2_HEIGHT-1);
EPD_1IN54_V2_ReadBusy();
EPD_1IN54_V2_SetLut(WF_Full_1IN54);
}
/******************************************************************************
function : Initialize the e-Paper register (Partial display)
parameter:
******************************************************************************/
void EPD_1IN54_V2_Init_Partial(void)
{
EPD_1IN54_V2_Reset();
EPD_1IN54_V2_ReadBusy();
EPD_1IN54_V2_SetLut(WF_PARTIAL_1IN54_0);
EPD_1IN54_V2_SendCommand(0x37);
EPD_1IN54_V2_SendData(0x00);
EPD_1IN54_V2_SendData(0x00);
EPD_1IN54_V2_SendData(0x00);
EPD_1IN54_V2_SendData(0x00);
EPD_1IN54_V2_SendData(0x00);
EPD_1IN54_V2_SendData(0x40);
EPD_1IN54_V2_SendData(0x00);
EPD_1IN54_V2_SendData(0x00);
EPD_1IN54_V2_SendData(0x00);
EPD_1IN54_V2_SendData(0x00);
EPD_1IN54_V2_SendCommand(0x3C); //BorderWavefrom
EPD_1IN54_V2_SendData(0x80);
EPD_1IN54_V2_SendCommand(0x22);
EPD_1IN54_V2_SendData(0xc0);
EPD_1IN54_V2_SendCommand(0x20);
EPD_1IN54_V2_ReadBusy();
}
/******************************************************************************
function : Clear screen
parameter:
******************************************************************************/
void EPD_1IN54_V2_Clear(void)
{
UWORD Width, Height;
Width = (EPD_1IN54_V2_WIDTH % 8 == 0)? (EPD_1IN54_V2_WIDTH / 8 ): (EPD_1IN54_V2_WIDTH / 8 + 1);
Height = EPD_1IN54_V2_HEIGHT;
EPD_1IN54_V2_SendCommand(0x24);
for (UWORD j = 0; j < Height; j++) {
for (UWORD i = 0; i < Width; i++) {
EPD_1IN54_V2_SendData(0XFF);
}
}
EPD_1IN54_V2_SendCommand(0x26);
for (UWORD j = 0; j < Height; j++) {
for (UWORD i = 0; i < Width; i++) {
EPD_1IN54_V2_SendData(0XFF);
}
}
EPD_1IN54_V2_TurnOnDisplay();
}
/******************************************************************************
function : Sends the image buffer in RAM to e-Paper and displays
parameter:
******************************************************************************/
void EPD_1IN54_V2_Display(UBYTE *Image)
{
UWORD Width, Height;
Width = (EPD_1IN54_V2_WIDTH % 8 == 0)? (EPD_1IN54_V2_WIDTH / 8 ): (EPD_1IN54_V2_WIDTH / 8 + 1);
Height = EPD_1IN54_V2_HEIGHT;
UDOUBLE Addr = 0;
EPD_1IN54_V2_SendCommand(0x24);
for (UWORD j = 0; j < Height; j++) {
for (UWORD i = 0; i < Width; i++) {
Addr = i + j * Width;
EPD_1IN54_V2_SendData(Image[Addr]);
}
}
EPD_1IN54_V2_TurnOnDisplay();
}
/******************************************************************************
function : The image of the previous frame must be uploaded, otherwise the
first few seconds will display an exception.
parameter:
******************************************************************************/
void EPD_1IN54_V2_DisplayPartBaseImage(UBYTE *Image)
{
UWORD Width, Height;
Width = (EPD_1IN54_V2_WIDTH % 8 == 0)? (EPD_1IN54_V2_WIDTH / 8 ): (EPD_1IN54_V2_WIDTH / 8 + 1);
Height = EPD_1IN54_V2_HEIGHT;
UDOUBLE Addr = 0;
EPD_1IN54_V2_SendCommand(0x24);
for (UWORD j = 0; j < Height; j++) {
for (UWORD i = 0; i < Width; i++) {
Addr = i + j * Width;
EPD_1IN54_V2_SendData(Image[Addr]);
}
}
EPD_1IN54_V2_SendCommand(0x26);
for (UWORD j = 0; j < Height; j++) {
for (UWORD i = 0; i < Width; i++) {
Addr = i + j * Width;
EPD_1IN54_V2_SendData(Image[Addr]);
}
}
EPD_1IN54_V2_TurnOnDisplayPart();
}
/******************************************************************************
function : Sends the image buffer in RAM to e-Paper and displays
parameter:
******************************************************************************/
void EPD_1IN54_V2_DisplayPart(UBYTE *Image)
{
UWORD Width, Height;
Width = (EPD_1IN54_V2_WIDTH % 8 == 0)? (EPD_1IN54_V2_WIDTH / 8 ): (EPD_1IN54_V2_WIDTH / 8 + 1);
Height = EPD_1IN54_V2_HEIGHT;
UDOUBLE Addr = 0;
EPD_1IN54_V2_SendCommand(0x24);
for (UWORD j = 0; j < Height; j++) {
for (UWORD i = 0; i < Width; i++) {
Addr = i + j * Width;
EPD_1IN54_V2_SendData(Image[Addr]);
}
}
EPD_1IN54_V2_TurnOnDisplayPart();
}
/******************************************************************************
function : Enter sleep mode
parameter:
******************************************************************************/
void EPD_1IN54_V2_Sleep(void)
{
EPD_1IN54_V2_SendCommand(0x10); //enter deep sleep
EPD_1IN54_V2_SendData(0x01);
EPD_Delay_ms(100);
}
#endif