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py32f0-template/Libraries/EPaper/Lib/EPD_1in54.c
IOsetting 4c651bfc34 refactor: update epd lib & example
2023-03-12 14:59:09 +08:00

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/*****************************************************************************
* | File : EPD_1in54.C
* | Author : Waveshare team
* | Function : 1.54inch e-paper
* | Info :
*----------------
* | This version: V3.0
* | Date : 2019-06-12
* | Info :
* -----------------------------------------------------------------------------
* V3.0(2019-06-12):
* 1.Change:
* lut_full_update[] => EPD_1IN54_lut_full_update[]
* lut_partial_update[] => EPD_1IN54_lut_partial_update[]
* EPD_Reset() => EPD_1IN54_Reset()
* EPD_SendCommand() => EPD_1IN54_SendCommand()
* EPD_SendData() => EPD_1IN54_SendData()
* EPD_WaitUntilIdle() => EPD_1IN54_ReadBusy()
* EPD_SetLut() => EPD_1IN54_SetLut()
* EPD_SetWindow() => EPD_1IN54_SetWindow()
* EPD_SetCursor() => EPD_1IN54_SetCursor()
* EPD_TurnOnDisplay() => EPD_1IN54_TurnOnDisplay()
* EPD_Init() => EPD_1IN54_Init()
* EPD_Clear() => EPD_1IN54_Clear()
* EPD_Display() => EPD_1IN54_Display()
* EPD_Sleep() => EPD_1IN54_Sleep()
* 2.remove commands define:
* #define PANEL_SETTING 0x00
* #define POWER_SETTING 0x01
* #define POWER_OFF 0x02
* #define POWER_OFF_SEQUENCE_SETTING 0x03
* #define POWER_ON 0x04
* #define POWER_ON_MEASURE 0x05
* #define BOOSTER_SOFT_START 0x06
* #define DEEP_SLEEP 0x07
* #define DATA_START_TRANSMISSION_1 0x10
* #define DATA_STOP 0x11
* #define DISPLAY_REFRESH 0x12
* #define DATA_START_TRANSMISSION_2 0x13
* #define PLL_CONTROL 0x30
* #define TEMPERATURE_SENSOR_COMMAND 0x40
* #define TEMPERATURE_SENSOR_CALIBRATION 0x41
* #define TEMPERATURE_SENSOR_WRITE 0x42
* #define TEMPERATURE_SENSOR_READ 0x43
* #define VCOM_AND_DATA_INTERVAL_SETTING 0x50
* #define LOW_POWER_DETECTION 0x51
* #define TCON_SETTING 0x60
* #define TCON_RESOLUTION 0x61
* #define SOURCE_AND_GATE_START_SETTING 0x62
* #define GET_STATUS 0x71
* #define AUTO_MEASURE_VCOM 0x80
* #define VCOM_VALUE 0x81
* #define VCM_DC_SETTING_REGISTER 0x82
* #define PROGRAM_MODE 0xA0
* #define ACTIVE_PROGRAM 0xA1
* #define READ_OTP_DATA 0xA2
* -----------------------------------------------------------------------------
* V2.0(2018-10-30):
* 1.Remove:ImageBuff[EPD_1IN54_HEIGHT * EPD_1IN54_WIDTH / 8]
* 2.Change:EPD_Display(UBYTE *Image)
* Need to pass parameters: pointer to cached data
* 3.Change:
* EPD_RST -> EPD_RST_PIN
* EPD_DC -> EPD_DC_PIN
* EPD_CS -> EPD_CS_PIN
* EPD_BUSY -> EPD_BUSY_PIN
#
# 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.h"
#ifdef EPD_1IN54
static const unsigned char EPD_1IN54_lut_full_update[] = {
0x02, 0x02, 0x01, 0x11, 0x12, 0x12, 0x22, 0x22,
0x66, 0x69, 0x69, 0x59, 0x58, 0x99, 0x99, 0x88,
0x00, 0x00, 0x00, 0x00, 0xF8, 0xB4, 0x13, 0x51,
0x35, 0x51, 0x51, 0x19, 0x01, 0x00
};
static const unsigned char EPD_1IN54_lut_partial_update[] = {
0x10, 0x18, 0x18, 0x08, 0x18, 0x18, 0x08, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x13, 0x14, 0x44, 0x12,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
/******************************************************************************
function : Software reset
parameter:
******************************************************************************/
static void EPD_1IN54_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_SendCommand(UBYTE Reg)
{
EPD_Digital_Write(EPD_DC_PIN, 0);
EPD_SPI_WriteByte(Reg);
EPD_Delay_ms(1);
}
/******************************************************************************
function : send data
parameter:
Data : Write data
******************************************************************************/
static void EPD_1IN54_SendData(UBYTE Data)
{
EPD_Digital_Write(EPD_DC_PIN, 1);
EPD_SPI_WriteByte(Data);
__NOP();
}
static void EPD_1IN54_SendDataArray(const UBYTE *Data, UWORD len)
{
EPD_Digital_Write(EPD_DC_PIN, 1);
while (len--)
{
EPD_SPI_WriteByte(*Data++);
__NOP();
}
}
static void EPD_1IN54_SendDataBurst(const UBYTE Data, UWORD len)
{
EPD_Digital_Write(EPD_DC_PIN, 1);
while (len--)
{
EPD_SPI_WriteByte(Data);
__NOP();
}
}
/******************************************************************************
function : Wait until the busy_pin goes LOW
parameter:
******************************************************************************/
void EPD_1IN54_ReadBusy(void)
{
EPD_Printf("e-Paper check... ");
while(EPD_Digital_Read(EPD_BUSY_PIN) == 1) { //LOW: idle, HIGH: busy
EPD_Printf("busy ");
EPD_Delay_ms(100);
}
EPD_Printf("idle\r\n");
}
/******************************************************************************
function : Setting the display window
parameter:
******************************************************************************/
static void EPD_1IN54_SetWindow(UWORD Xstart, UWORD Ystart, UWORD Xend, UWORD Yend)
{
EPD_1IN54_SendCommand(0x44); // SET_RAM_X_ADDRESS_START_END_POSITION
EPD_1IN54_SendData((Xstart >> 3) & 0xFF);
EPD_1IN54_SendData((Xend >> 3) & 0xFF);
EPD_1IN54_SendCommand(0x45); // SET_RAM_Y_ADDRESS_START_END_POSITION
EPD_1IN54_SendData(Ystart & 0xFF);
EPD_1IN54_SendData((Ystart >> 8) & 0xFF);
EPD_1IN54_SendData(Yend & 0xFF);
EPD_1IN54_SendData((Yend >> 8) & 0xFF);
}
/******************************************************************************
function : Set Cursor
parameter:
******************************************************************************/
static void EPD_1IN54_SetCursor(UWORD Xstart, UWORD Ystart)
{
EPD_1IN54_SendCommand(0x4E); // SET_RAM_X_ADDRESS_COUNTER
EPD_1IN54_SendData((Xstart >> 3) & 0xFF);
EPD_1IN54_SendCommand(0x4F); // SET_RAM_Y_ADDRESS_COUNTER
EPD_1IN54_SendData(Ystart & 0xFF);
EPD_1IN54_SendData((Ystart >> 8) & 0xFF);
}
/******************************************************************************
function : Turn On Display
parameter:
******************************************************************************/
static void EPD_1IN54_TurnOnDisplay(void)
{
EPD_1IN54_SendCommand(0x22); // DISPLAY_UPDATE_CONTROL_2
EPD_1IN54_SendData(0xC4);
EPD_1IN54_SendCommand(0x20); // MASTER_ACTIVATION
EPD_1IN54_SendCommand(0xFF); // TERMINATE_FRAME_READ_WRITE
EPD_1IN54_ReadBusy();
}
/******************************************************************************
function : Initialize the e-Paper register
parameter:
******************************************************************************/
void EPD_1IN54_Init(UBYTE Mode)
{
EPD_1IN54_Reset();
EPD_Digital_Write(EPD_CS_PIN, 0);
EPD_1IN54_SendCommand(0x01); // DRIVER_OUTPUT_CONTROL
EPD_1IN54_SendData((EPD_1IN54_HEIGHT - 1) & 0xFF);
EPD_1IN54_SendData(((EPD_1IN54_HEIGHT - 1) >> 8) & 0xFF);
EPD_1IN54_SendData(0x00); // GD = 0; SM = 0; TB = 0;
EPD_1IN54_SendCommand(0x0C); // BOOSTER_SOFT_START_CONTROL
EPD_1IN54_SendData(0xD7);
EPD_1IN54_SendData(0xD6);
EPD_1IN54_SendData(0x9D);
EPD_1IN54_SendCommand(0x2C); // WRITE_VCOM_REGISTER
EPD_1IN54_SendData(0xA8); // VCOM 7C
EPD_1IN54_SendCommand(0x3A); // SET_DUMMY_LINE_PERIOD
EPD_1IN54_SendData(0x1A); // 4 dummy lines per gate
EPD_1IN54_SendCommand(0x3B); // SET_GATE_TIME
EPD_1IN54_SendData(0x08); // 2us per line
EPD_1IN54_SendCommand(0x11);
EPD_1IN54_SendData(0x03);
//set the look-up table register
EPD_1IN54_SendCommand(0x32);
if(Mode == EPD_1IN54_FULL){
EPD_1IN54_SendDataArray(EPD_1IN54_lut_full_update, 30);
}else if(Mode == EPD_1IN54_PART){
EPD_1IN54_SendDataArray(EPD_1IN54_lut_partial_update, 30);
}else{
EPD_Printf("error, the Mode is EPD_1IN54_FULL or EPD_1IN54_PART");
}
EPD_Digital_Write(EPD_CS_PIN, 1);
}
/******************************************************************************
function : Clear screen
parameter:
******************************************************************************/
void EPD_1IN54_Clear(void)
{
UWORD Width, Height;
Width = (EPD_1IN54_WIDTH % 8 == 0)? (EPD_1IN54_WIDTH / 8 ): (EPD_1IN54_WIDTH / 8 + 1);
Height = EPD_1IN54_HEIGHT;
EPD_Digital_Write(EPD_CS_PIN, 0);
EPD_1IN54_SetWindow(0, 0, EPD_1IN54_WIDTH, EPD_1IN54_HEIGHT);
for (UWORD j = 0; j < Height; j++) {
EPD_1IN54_SetCursor(0, j);
EPD_1IN54_SendCommand(0x24);
EPD_1IN54_SendDataBurst(0xFF, Width);
}
EPD_1IN54_TurnOnDisplay();
EPD_Digital_Write(EPD_CS_PIN, 1);
}
/******************************************************************************
function : Sends the image buffer in RAM to e-Paper and displays
parameter:
******************************************************************************/
void EPD_1IN54_Display(UBYTE *Image)
{
UWORD Width, Height;
Width = (EPD_1IN54_WIDTH % 8 == 0)? (EPD_1IN54_WIDTH / 8 ): (EPD_1IN54_WIDTH / 8 + 1);
Height = EPD_1IN54_HEIGHT;
EPD_Digital_Write(EPD_CS_PIN, 0);
// UDOUBLE Offset = ImageName;
EPD_1IN54_SetWindow(0, 0, EPD_1IN54_WIDTH, EPD_1IN54_HEIGHT);
for (UWORD j = 0; j < Height; j++) {
EPD_1IN54_SetCursor(0, j);
EPD_1IN54_SendCommand(0x24);
EPD_1IN54_SendDataArray(Image + (j * Width), Width);
// for (UWORD i = 0; i < Width; i++) {
// Addr = i + j * Width;
// EPD_1IN54_SendData(Image[Addr]);
// }
}
EPD_1IN54_TurnOnDisplay();
EPD_Digital_Write(EPD_CS_PIN, 1);
}
/******************************************************************************
function : Enter sleep mode
parameter:
******************************************************************************/
void EPD_1IN54_Sleep(void)
{
EPD_Digital_Write(EPD_CS_PIN, 0);
EPD_1IN54_SendCommand(0x10);
EPD_1IN54_SendData(0x01);
EPD_Digital_Write(EPD_CS_PIN, 1);
}
#endif
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