173 lines
5.5 KiB
C
173 lines
5.5 KiB
C
/*****************************************************************************
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* | File : EPD_1in54_DES.c
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* | Author : Waveshare team
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* | Function : 1.54inch DES e-paper
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* | Info :
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*----------------
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* | This version: V1.0
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* | Date : 2020-01-13
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* | Info :
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* -----------------------------------------------------------------------------
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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_1in54_DES.h"
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#include "Debug.h"
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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_1IN54_DES_Reset(void)
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{
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DEV_Digital_Write(EPD_RST_PIN, 1);
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DEV_Delay_ms(100);
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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(100);
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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_1IN54_DES_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_1IN54_DES_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 : Wait until the busy_pin goes LOW
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parameter:
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******************************************************************************/
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void EPD_1IN54_DES_ReadBusy(void)
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{
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Debug("e-Paper busy\r\n");
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while(1)
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{ //=1 BUSY
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EPD_1IN54_DES_SendCommand(0x71);
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if(DEV_Digital_Read(EPD_BUSY_PIN)==1)
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break;
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DEV_Delay_ms(50);
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}
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DEV_Delay_ms(50);
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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_1IN54_DES_TurnOnDisplay(void)
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{
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EPD_1IN54_DES_SendCommand(0x12); //Display Update Control
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EPD_1IN54_DES_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_1IN54_DES_Init(void)
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{
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EPD_1IN54_DES_Reset();
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DEV_Delay_ms(100);
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EPD_1IN54_DES_SendCommand(0x04); //SWRESET
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EPD_1IN54_DES_ReadBusy();
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EPD_1IN54_DES_SendCommand(0x00); //Driver output control
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EPD_1IN54_DES_SendData(0x1f);
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EPD_1IN54_DES_SendCommand(0x50);
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EPD_1IN54_DES_SendData(0x97);
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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_1IN54_DES_Clear(void)
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{
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UWORD i;
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// EPD_1IN54_DES_SendCommand(0x10);
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// for(i=0;i<2888;i++)
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// {
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// EPD_1IN54_DES_SendData(0xff);
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// }
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EPD_1IN54_DES_SendCommand(0x13);
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for(i=0;i<2888;i++)
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{
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EPD_1IN54_DES_SendData(0xff);
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}
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EPD_1IN54_DES_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_1IN54_DES_Display(UBYTE *Image)
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{
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UWORD i;
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// EPD_1IN54_DES_SendCommand(0x10);
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// for(i=0;i<2888;i++)
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// {
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// EPD_1IN54_DES_SendData(0xff);
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// }
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EPD_1IN54_DES_SendCommand(0x13);
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for(i=0;i<2888;i++)
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{
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EPD_1IN54_DES_SendData(Image[i]);
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}
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EPD_1IN54_DES_TurnOnDisplay();
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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_1IN54_DES_Sleep(void)
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{
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EPD_1IN54_DES_SendCommand(0x50); //enter deep sleep
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EPD_1IN54_DES_SendData(0xf7);
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EPD_1IN54_DES_SendCommand(0x02);
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EPD_1IN54_DES_ReadBusy();
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EPD_1IN54_DES_SendCommand(0x07);
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EPD_1IN54_DES_SendData(0xa5);
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}
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