408 lines
15 KiB
C
408 lines
15 KiB
C
/*****************************************************************************
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* | File : EPD_2in13_V2.c
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* | Author : Waveshare team
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* | Function : 2.13inch e-paper V2
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* | Info :
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*----------------
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* | This version: V3.0
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* | Date : 2019-06-13
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* | Info :
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* -----------------------------------------------------------------------------
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* V3.0(2019-06-13):
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* 1.Change name:
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* EPD_Reset() => EPD_2IN13_V2_Reset()
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* EPD_SendCommand() => EPD_2IN13_V2_SendCommand()
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* EPD_SendData() => EPD_2IN13_V2_SendData()
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* EPD_WaitUntilIdle() => EPD_2IN13_V2_ReadBusy()
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* EPD_Init() => EPD_2IN13_V2_Init()
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* EPD_Clear() => EPD_2IN13_V2_Clear()
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* EPD_Display() => EPD_2IN13_V2_Display()
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* EPD_Sleep() => EPD_2IN13_V2_Sleep()
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* 2.add:
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* EPD_2IN13_V2_DisplayPartBaseImage()
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* -----------------------------------------------------------------------------
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* V2.0(2018-11-14):
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* 1.Remove:ImageBuff[EPD_HEIGHT * EPD_WIDTH / 8]
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* 2.Change:EPD_2IN13_V2_Display(UBYTE *Image)
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* Need to pass parameters: pointer to cached data
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* 3.Change:
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* EPD_RST -> EPD_RST_PIN
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* EPD_DC -> EPD_DC_PIN
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* EPD_CS -> EPD_CS_PIN
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* EPD_BUSY -> EPD_BUSY_PIN
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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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#include "EPD_2in13_V2.h"
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#include "Debug.h"
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const unsigned char EPD_2IN13_V2_lut_full_update[]= {
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0x80,0x60,0x40,0x00,0x00,0x00,0x00, //LUT0: BB: VS 0 ~7
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0x10,0x60,0x20,0x00,0x00,0x00,0x00, //LUT1: BW: VS 0 ~7
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0x80,0x60,0x40,0x00,0x00,0x00,0x00, //LUT2: WB: VS 0 ~7
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0x10,0x60,0x20,0x00,0x00,0x00,0x00, //LUT3: WW: VS 0 ~7
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0x00,0x00,0x00,0x00,0x00,0x00,0x00, //LUT4: VCOM: VS 0 ~7
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0x03,0x03,0x00,0x00,0x02, // TP0 A~D RP0
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0x09,0x09,0x00,0x00,0x02, // TP1 A~D RP1
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0x03,0x03,0x00,0x00,0x02, // TP2 A~D RP2
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0x00,0x00,0x00,0x00,0x00, // TP3 A~D RP3
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0x00,0x00,0x00,0x00,0x00, // TP4 A~D RP4
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0x00,0x00,0x00,0x00,0x00, // TP5 A~D RP5
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0x00,0x00,0x00,0x00,0x00, // TP6 A~D RP6
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0x15,0x41,0xA8,0x32,0x30,0x0A,
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};
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const unsigned char EPD_2IN13_V2_lut_partial_update[]= { //20 bytes
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0x00,0x00,0x00,0x00,0x00,0x00,0x00, //LUT0: BB: VS 0 ~7
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0x80,0x00,0x00,0x00,0x00,0x00,0x00, //LUT1: BW: VS 0 ~7
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0x40,0x00,0x00,0x00,0x00,0x00,0x00, //LUT2: WB: VS 0 ~7
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0x00,0x00,0x00,0x00,0x00,0x00,0x00, //LUT3: WW: VS 0 ~7
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0x00,0x00,0x00,0x00,0x00,0x00,0x00, //LUT4: VCOM: VS 0 ~7
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0x0A,0x00,0x00,0x00,0x00, // TP0 A~D RP0
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0x00,0x00,0x00,0x00,0x00, // TP1 A~D RP1
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0x00,0x00,0x00,0x00,0x00, // TP2 A~D RP2
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0x00,0x00,0x00,0x00,0x00, // TP3 A~D RP3
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0x00,0x00,0x00,0x00,0x00, // TP4 A~D RP4
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0x00,0x00,0x00,0x00,0x00, // TP5 A~D RP5
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0x00,0x00,0x00,0x00,0x00, // TP6 A~D RP6
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0x15,0x41,0xA8,0x32,0x30,0x0A,
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};
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// EPD_2IN13_V2_WIDTH = 122
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// EPD_2IN13_V2_HEIGHT = 250
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// (122 + 1) * 250 = 30750
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#define VAL_20(X) X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X, X
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#define VAL_50(X) VAL_20(X), VAL_20(X), X, X, X, X, X, X, X, X, X, X
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#define VAL_100(X) VAL_20(X), VAL_20(X), VAL_20(X), VAL_20(X), VAL_20(X)
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#define VAL_200(X) VAL_100(X), VAL_100(X)
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#define VAL_500(X) VAL_100(X), VAL_100(X), VAL_100(X), VAL_100(X), VAL_100(X)
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#define VAL_2500(X) VAL_500(X), VAL_500(X), VAL_500(X), VAL_500(X), VAL_500(X)
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#define VAL_5000(X) VAL_2500(X), VAL_2500(X)
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#define VAL_12500(X) VAL_2500(X), VAL_2500(X), VAL_2500(X), VAL_2500(X), VAL_2500(X)
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#define VAL_25000(X) VAL_12500(X), VAL_12500(X)
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#define EPD_2IN13_V2_CLEAR_VAR 0xFF
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const uint8_t EPD_2IN13_V2_clear_image[] = {
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VAL_25000(EPD_2IN13_V2_CLEAR_VAR), VAL_5000(EPD_2IN13_V2_CLEAR_VAR),
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VAL_500(EPD_2IN13_V2_CLEAR_VAR), VAL_200(EPD_2IN13_V2_CLEAR_VAR),
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VAL_50(EPD_2IN13_V2_CLEAR_VAR)
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};
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/******************************************************************************
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function : Software reset
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parameter:
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******************************************************************************/
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static void EPD_2IN13_V2_Reset(void)
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{
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DEV_Digital_Write(EPD_RST_PIN, 1);
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DEV_Delay_ms(200);
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DEV_Digital_Write(EPD_RST_PIN, 0);
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DEV_Delay_ms(2);
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DEV_Digital_Write(EPD_RST_PIN, 1);
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DEV_Delay_ms(200);
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}
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/******************************************************************************
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function : send command
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parameter:
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Reg : Command register
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******************************************************************************/
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static void EPD_2IN13_V2_SendCommand(UBYTE Reg)
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{
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DEV_Digital_Write(EPD_DC_PIN, 0);
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DEV_Digital_Write(EPD_CS_PIN, 0);
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DEV_SPI_WriteByte(Reg);
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DEV_Digital_Write(EPD_CS_PIN, 1);
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}
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/******************************************************************************
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function : send data
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parameter:
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Data : Write data
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******************************************************************************/
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static void EPD_2IN13_V2_SendData(UBYTE Data)
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{
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DEV_Digital_Write(EPD_DC_PIN, 1);
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DEV_Digital_Write(EPD_CS_PIN, 0);
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DEV_SPI_WriteByte(Data);
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DEV_Digital_Write(EPD_CS_PIN, 1);
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}
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/******************************************************************************
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function : send data
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parameter:
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Data : Write data
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******************************************************************************/
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static void EPD_2IN13_V2_SendData_nByte(uint8_t *pData, uint32_t len)
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{
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DEV_Digital_Write(EPD_DC_PIN, 1);
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DEV_Digital_Write(EPD_CS_PIN, 0);
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DEV_SPI_Write_nByte(pData, len);
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DEV_Digital_Write(EPD_CS_PIN, 1);
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}
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/******************************************************************************
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function : Wait until the busy_pin goes LOW
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parameter:
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******************************************************************************/
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void EPD_2IN13_V2_ReadBusy(void)
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{
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Debug("e-Paper busy\r\n");
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while(DEV_Digital_Read(EPD_BUSY_PIN) == 1) { //LOW: idle, HIGH: busy
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DEV_Delay_ms(100);
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}
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Debug("e-Paper busy release\r\n");
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}
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/******************************************************************************
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function : Turn On Display
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parameter:
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******************************************************************************/
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static void EPD_2IN13_V2_TurnOnDisplay(void)
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{
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EPD_2IN13_V2_SendCommand(0x22);
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EPD_2IN13_V2_SendData(0xC7);
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EPD_2IN13_V2_SendCommand(0x20);
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EPD_2IN13_V2_ReadBusy();
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}
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/******************************************************************************
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function : Turn On Display
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parameter:
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******************************************************************************/
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static void EPD_2IN13_V2_TurnOnDisplayPart(void)
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{
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EPD_2IN13_V2_SendCommand(0x22);
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EPD_2IN13_V2_SendData(0x0C);
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EPD_2IN13_V2_SendCommand(0x20);
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EPD_2IN13_V2_ReadBusy();
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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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void EPD_2IN13_V2_Init(UBYTE Mode)
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{
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EPD_2IN13_V2_Reset();
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uint8_t data[7];
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if(Mode == EPD_2IN13_V2_FULL) {
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EPD_2IN13_V2_ReadBusy();
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EPD_2IN13_V2_SendCommand(0x12); // soft reset
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EPD_2IN13_V2_ReadBusy();
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EPD_2IN13_V2_SendCommand(0x74); //set analog block control
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EPD_2IN13_V2_SendData(0x54);
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EPD_2IN13_V2_SendCommand(0x7E); //set digital block control
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EPD_2IN13_V2_SendData(0x3B);
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data[0] = 0xF9;
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data[1] = 0x00;
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data[2] = 0x00;
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EPD_2IN13_V2_SendCommand(0x01); //Driver output control
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EPD_2IN13_V2_SendData_nByte(&data[0], 3);
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EPD_2IN13_V2_SendCommand(0x11); //data entry mode
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EPD_2IN13_V2_SendData(0x01);
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data[0] = 0x00;
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data[1] = 0x0F;
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EPD_2IN13_V2_SendCommand(0x44); //set Ram-X address start/end position
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EPD_2IN13_V2_SendData_nByte(&data[0], 2);
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data[0] = 0xF9;
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data[1] = 0x00;
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data[2] = 0x00;
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data[3] = 0x00;
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EPD_2IN13_V2_SendCommand(0x45); //set Ram-Y address start/end position
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EPD_2IN13_V2_SendData_nByte(&data[0], 4);
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EPD_2IN13_V2_SendCommand(0x3C); //BorderWavefrom
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EPD_2IN13_V2_SendData(0x03);
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EPD_2IN13_V2_SendCommand(0x2C); //VCOM Voltage
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EPD_2IN13_V2_SendData(0x55); //
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EPD_2IN13_V2_SendCommand(0x03);
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EPD_2IN13_V2_SendData(EPD_2IN13_V2_lut_full_update[70]);
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data[0] = EPD_2IN13_V2_lut_full_update[71];
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data[1] = EPD_2IN13_V2_lut_full_update[72];
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data[2] = EPD_2IN13_V2_lut_full_update[73];
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EPD_2IN13_V2_SendCommand(0x04); //
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EPD_2IN13_V2_SendData_nByte(&data[0], 3);
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EPD_2IN13_V2_SendCommand(0x3A); //Dummy Line
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EPD_2IN13_V2_SendData(EPD_2IN13_V2_lut_full_update[74]);
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EPD_2IN13_V2_SendCommand(0x3B); //Gate time
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EPD_2IN13_V2_SendData(EPD_2IN13_V2_lut_full_update[75]);
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EPD_2IN13_V2_SendCommand(0x32);
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EPD_2IN13_V2_SendData_nByte((uint8_t*)&EPD_2IN13_V2_lut_full_update[0], 70);
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EPD_2IN13_V2_SendCommand(0x4E); // set RAM x address count to 0;
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EPD_2IN13_V2_SendData(0x00);
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data[0] = 0xF9;
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data[1] = 0x00;
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EPD_2IN13_V2_SendCommand(0x4F); // set RAM y address count to 0X127;
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EPD_2IN13_V2_SendData_nByte(&data[0], 2);
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EPD_2IN13_V2_ReadBusy();
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} else if(Mode == EPD_2IN13_V2_PART) {
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EPD_2IN13_V2_SendCommand(0x2C); //VCOM Voltage
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EPD_2IN13_V2_SendData(0x26);
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EPD_2IN13_V2_ReadBusy();
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EPD_2IN13_V2_SendCommand(0x32);
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EPD_2IN13_V2_SendData_nByte((uint8_t*)&EPD_2IN13_V2_lut_partial_update[0], 70);
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data[0] = 0x00;
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data[1] = 0x00;
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data[2] = 0x00;
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data[3] = 0x00;
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data[4] = 0x40;
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data[5] = 0x00;
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data[6] = 0x00;
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EPD_2IN13_V2_SendCommand(0x37);
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EPD_2IN13_V2_SendData_nByte(&data[0], 7);
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EPD_2IN13_V2_SendCommand(0x22);
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EPD_2IN13_V2_SendData(0xC0);
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EPD_2IN13_V2_SendCommand(0x20);
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EPD_2IN13_V2_ReadBusy();
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EPD_2IN13_V2_SendCommand(0x3C); //BorderWavefrom
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EPD_2IN13_V2_SendData(0x01);
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} else {
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Debug("error, the Mode is EPD_2IN13_FULL or EPD_2IN13_PART");
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}
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}
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/******************************************************************************
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function : Clear screen
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parameter:
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******************************************************************************/
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void EPD_2IN13_V2_Clear(void)
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{
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UWORD Width, Height;
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Width = (EPD_2IN13_V2_WIDTH % 8 == 0)? (EPD_2IN13_V2_WIDTH / 8 ): (EPD_2IN13_V2_WIDTH / 8 + 1);
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Height = EPD_2IN13_V2_HEIGHT;
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EPD_2IN13_V2_SendCommand(0x24);
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EPD_2IN13_V2_SendData_nByte((uint8_t*)&EPD_2IN13_V2_clear_image[0], Width * Height);
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EPD_2IN13_V2_TurnOnDisplay();
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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_2IN13_V2_Display(UBYTE *Image)
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{
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UWORD Width, Height;
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Width = (EPD_2IN13_V2_WIDTH % 8 == 0)? (EPD_2IN13_V2_WIDTH / 8 ): (EPD_2IN13_V2_WIDTH / 8 + 1);
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Height = EPD_2IN13_V2_HEIGHT;
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uint32_t len = Height * Width;
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uint8_t data[len];
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for (UWORD j = 0, n = 0; j < Height; j++) {
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for (UWORD i = 0; i < Width; i++) {
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data[n++] = Image[i + j * Width];
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}
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}
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EPD_2IN13_V2_SendCommand(0x24);
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EPD_2IN13_V2_SendData_nByte(&data[0], len);
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EPD_2IN13_V2_TurnOnDisplay();
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}
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/******************************************************************************
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function : The image of the previous frame must be uploaded, otherwise the
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first few seconds will display an exception.
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parameter:
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******************************************************************************/
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void EPD_2IN13_V2_DisplayPartBaseImage(UBYTE *Image)
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{
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UWORD Width, Height;
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Width = (EPD_2IN13_V2_WIDTH % 8 == 0)? (EPD_2IN13_V2_WIDTH / 8 ): (EPD_2IN13_V2_WIDTH / 8 + 1);
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Height = EPD_2IN13_V2_HEIGHT;
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uint32_t len = Height * Width;
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uint8_t data24[len];
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uint8_t data26[len];
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for (UWORD j = 0, n = 0; j < Height; j++) {
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for (UWORD i = 0; i < Width; i++) {
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int addr = i + j * Width;
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data24[n] = Image[addr];
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data26[n] = Image[addr];
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n = n + 1;
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}
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}
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EPD_2IN13_V2_SendCommand(0x24);
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EPD_2IN13_V2_SendData_nByte(&data24[0], len);
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EPD_2IN13_V2_SendCommand(0x26);
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EPD_2IN13_V2_SendData_nByte(&data26[0], len);
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EPD_2IN13_V2_TurnOnDisplay();
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}
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void EPD_2IN13_V2_DisplayPart(UBYTE *Image)
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{
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UWORD Width, Height;
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Width = (EPD_2IN13_V2_WIDTH % 8 == 0)? (EPD_2IN13_V2_WIDTH / 8 ): (EPD_2IN13_V2_WIDTH / 8 + 1);
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Height = EPD_2IN13_V2_HEIGHT;
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uint32_t len = Height * Width;
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uint8_t data[len];
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for (UWORD j = 0, n = 0; j < Height; j++) {
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for (UWORD i = 0; i < Width; i++) {
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data[n++] = Image[i + j * Width];
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}
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}
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EPD_2IN13_V2_SendCommand(0x24);
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EPD_2IN13_V2_SendData_nByte(&data[0], len);
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EPD_2IN13_V2_TurnOnDisplayPart();
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}
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/******************************************************************************
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function : Enter sleep mode
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parameter:
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******************************************************************************/
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void EPD_2IN13_V2_Sleep(void)
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{
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EPD_2IN13_V2_SendCommand(0x22); //POWER OFF
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EPD_2IN13_V2_SendData(0xC3);
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EPD_2IN13_V2_SendCommand(0x20);
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|
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EPD_2IN13_V2_SendCommand(0x10); //enter deep sleep
|
|
EPD_2IN13_V2_SendData(0x01);
|
|
DEV_Delay_ms(100);
|
|
}
|