/***************************************************************************** * | File : EPD_10in85g.c * | Author : Waveshare team * | Function : 10.85inch e-paper (G) * | Info : *---------------- * | This version: V1.0 * | Date : 2024-08-19 * | 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_10in85g.h" #include "Debug.h" /****************************************************************************** function : Software reset parameter: ******************************************************************************/ static void EPD_10in85g_Reset(void) { DEV_Digital_Write(EPD_RST_PIN, 1); DEV_Delay_ms(20); DEV_Digital_Write(EPD_RST_PIN, 0); DEV_Delay_ms(10); DEV_Digital_Write(EPD_RST_PIN, 1); DEV_Delay_ms(20); } /****************************************************************************** function : send command parameter: Reg : Command register ******************************************************************************/ static void EPD_10in85g_SendCommand_0(UBYTE Reg) { DEV_Digital_Write(EPD_DC_PIN, 0); DEV_Digital_Write(EPD_CS_M_PIN, 0); DEV_SPI_SendByte(Reg); DEV_Digital_Write(EPD_CS_M_PIN, 1); } static void EPD_10in85g_SendCommand_1(UBYTE Reg) { DEV_Digital_Write(EPD_DC_PIN, 0); DEV_Digital_Write(EPD_CS_S_PIN, 0); DEV_SPI_SendByte(Reg); DEV_Digital_Write(EPD_CS_S_PIN, 1); } static void EPD_10in85g_SendCommand_ALL(UBYTE Reg) { DEV_Digital_Write(EPD_DC_PIN, 0); DEV_Digital_Write(EPD_CS_M_PIN, 0); DEV_Digital_Write(EPD_CS_S_PIN, 0); DEV_SPI_SendByte(Reg); DEV_Digital_Write(EPD_CS_M_PIN, 1); DEV_Digital_Write(EPD_CS_S_PIN, 1); } /****************************************************************************** function : send data parameter: Data : Write data ******************************************************************************/ static void EPD_10in85g_SendData_0(UBYTE Data) { DEV_Digital_Write(EPD_DC_PIN, 1); DEV_Digital_Write(EPD_CS_M_PIN, 0); DEV_SPI_SendByte(Data); DEV_Digital_Write(EPD_CS_M_PIN, 1); } static void EPD_10in85g_SendData_1(UBYTE Data) { DEV_Digital_Write(EPD_DC_PIN, 1); DEV_Digital_Write(EPD_CS_S_PIN, 0); DEV_SPI_SendByte(Data); DEV_Digital_Write(EPD_CS_S_PIN, 1); } static void EPD_10in85g_SendnData_0(UBYTE *Data, UDOUBLE Len) { DEV_Digital_Write(EPD_DC_PIN, 1); DEV_Digital_Write(EPD_CS_M_PIN, 0); DEV_SPI_SendnByte(Data, Len); DEV_Digital_Write(EPD_CS_M_PIN, 1); } static void EPD_10in85g_SendnData_1(UBYTE *Data, UDOUBLE Len) { DEV_Digital_Write(EPD_DC_PIN, 1); DEV_Digital_Write(EPD_CS_S_PIN, 0); DEV_SPI_SendnByte(Data, Len); DEV_Digital_Write(EPD_CS_S_PIN, 1); } static void EPD_10in85g_SendData_ALL(UBYTE Data) { DEV_Digital_Write(EPD_DC_PIN, 1); DEV_Digital_Write(EPD_CS_M_PIN, 0); DEV_Digital_Write(EPD_CS_S_PIN, 0); DEV_SPI_SendByte(Data); DEV_Digital_Write(EPD_CS_M_PIN, 1); DEV_Digital_Write(EPD_CS_S_PIN, 1); } /****************************************************************************** function : Wait until the busy_pin goes LOW parameter: ******************************************************************************/ void EPD_10in85g_ReadBusy(void) { Debug("e-Paper busy\r\n"); // DEV_Delay_ms(1000); while(1) { //=1 BUSY if(DEV_Digital_Read(EPD_BUSY_PIN)==1) break; DEV_Delay_ms(10); } DEV_Delay_ms(10); Debug("e-Paper busy release\r\n"); } /****************************************************************************** function : Turn On Display parameter: ******************************************************************************/ static void EPD_10in85g_TurnOnDisplay(void) { EPD_10in85g_SendCommand_ALL(0x12); EPD_10in85g_SendData_ALL(0x00); EPD_10in85g_ReadBusy(); } /****************************************************************************** function : Initialize the e-Paper register parameter: ******************************************************************************/ void EPD_10in85g_Init(void) { EPD_10in85g_Reset(); EPD_10in85g_ReadBusy(); EPD_10in85g_SendCommand_ALL(0x4D); EPD_10in85g_SendData_ALL(0x78); EPD_10in85g_SendCommand_ALL(0x00); //0x00 EPD_10in85g_SendData_ALL(0x2F); EPD_10in85g_SendData_ALL(0x29); EPD_10in85g_SendCommand_ALL(0x06);//47uH EPD_10in85g_SendData_ALL(0x0d); EPD_10in85g_SendData_ALL(0x12); EPD_10in85g_SendData_ALL(0x30); EPD_10in85g_SendData_ALL(0x20); EPD_10in85g_SendData_ALL(0x19); EPD_10in85g_SendData_ALL(0x3D); EPD_10in85g_SendData_ALL(0x0C); EPD_10in85g_SendCommand_ALL(0x06); //0x06 EPD_10in85g_SendData_ALL(0x0d); EPD_10in85g_SendData_ALL(0x12); EPD_10in85g_SendData_ALL(0x30); EPD_10in85g_SendData_ALL(0x20); EPD_10in85g_SendData_ALL(0x19); EPD_10in85g_SendData_ALL(0x3D); EPD_10in85g_SendData_ALL(0x0C); EPD_10in85g_SendCommand_ALL(0x50); //0x50 EPD_10in85g_SendData_ALL(0x37); EPD_10in85g_SendCommand_ALL(0x61);//0x61 EPD_10in85g_SendData_ALL(EPD_10in85g_WIDTH/256); EPD_10in85g_SendData_ALL(EPD_10in85g_WIDTH%256); EPD_10in85g_SendData_ALL(EPD_10in85g_HEIGHT/256); EPD_10in85g_SendData_ALL(EPD_10in85g_HEIGHT%256); EPD_10in85g_SendCommand_ALL(0x65); //0x65 EPD_10in85g_SendData_ALL(0x00); EPD_10in85g_SendData_ALL(0x00); EPD_10in85g_SendData_ALL(0x00); EPD_10in85g_SendData_ALL(0x00); EPD_10in85g_SendCommand_ALL(0xE0); EPD_10in85g_SendData_ALL(0x01); EPD_10in85g_SendCommand_ALL(0xE3); EPD_10in85g_SendData_ALL(0x08); EPD_10in85g_SendCommand_ALL(0xE5); EPD_10in85g_SendData_ALL(0x08); EPD_10in85g_SendCommand_ALL(0xE9); EPD_10in85g_SendData_ALL(0x01); EPD_10in85g_SendCommand_ALL(0x04); //Power on EPD_10in85g_ReadBusy(); //waiting for the electronic paper IC to release the idle signal } /****************************************************************************** function : Clear screen parameter: ******************************************************************************/ void EPD_10in85g_Clear(UBYTE color) { UWORD Width, Height; Width = (EPD_10in85g_WIDTH % 4 == 0)? (EPD_10in85g_WIDTH / 4 ): (EPD_10in85g_WIDTH / 4 + 1); Height = EPD_10in85g_HEIGHT; UBYTE Color = (color << 6) | (color << 4) | (color << 2) | color; EPD_10in85g_SendCommand_0(0x10); for (UWORD j = 0; j < Height; j++) { for (UWORD i = 0; i < Width; i++) { EPD_10in85g_SendData_0(Color); } } EPD_10in85g_SendCommand_1(0x10); for (UWORD j = 0; j < Height; j++) { for (UWORD i = 0; i < Width; i++) { EPD_10in85g_SendData_1(Color); } } EPD_10in85g_TurnOnDisplay(); } /****************************************************************************** function : Sends the image buffer in RAM to e-Paper and displays parameter: Image : Image data ******************************************************************************/ void EPD_10in85g_Display(const UBYTE *Image) { UWORD Width, Height; Width = (EPD_10in85g_WIDTH % 4 == 0)? (EPD_10in85g_WIDTH / 4 ): (EPD_10in85g_WIDTH / 4 + 1); Height = EPD_10in85g_HEIGHT; EPD_10in85g_SendCommand_0(0x10); for (UWORD j = 0; j < Height; j++) { for (UWORD i = 0; i < Width; i++) { EPD_10in85g_SendData_0(Image[j*2*Width + i]); } } EPD_10in85g_SendCommand_1(0x10); for (UWORD j = 0; j < Height; j++) { for (UWORD i = 0; i < Width; i++) { EPD_10in85g_SendData_1(Image[j*2*Width + i + Width]); } } EPD_10in85g_TurnOnDisplay(); } void EPD_10in85g_Display_2(const UBYTE *Image) { UWORD Width, Height; Width = (EPD_10in85g_WIDTH % 4 == 0)? (EPD_10in85g_WIDTH / 4 ): (EPD_10in85g_WIDTH / 4 + 1); Height = EPD_10in85g_HEIGHT/4; EPD_10in85g_SendCommand_0(0x10); for (UWORD j = 0; j < Height; j++) { for (UWORD i = 0; i < Width; i++) { EPD_10in85g_SendData_0(Image[j*Width + i]); } } for (UWORD j = 0; j < Height*3; j++) { for (UWORD i = 0; i < Width; i++) { EPD_10in85g_SendData_0(0x55); } } EPD_10in85g_SendCommand_1(0x10); for (UWORD j = 0; j < Height; j++) { for (UWORD i = 0; i < Width; i++) { EPD_10in85g_SendData_1(Image[j*Width + i]); } } for (UWORD j = 0; j < Height*3; j++) { for (UWORD i = 0; i < Width; i++) { EPD_10in85g_SendData_1(0x55); } } EPD_10in85g_TurnOnDisplay(); } void EPD_10in85g_DisplayPart(const UBYTE *Image, UWORD xstart, UWORD ystart, UWORD image_width, UWORD image_heigh) { UDOUBLE Width, Height; Width = (EPD_10in85g_WIDTH % 4 == 0)? (EPD_10in85g_WIDTH / 4 ): (EPD_10in85g_WIDTH / 4 + 1); Height = EPD_10in85g_HEIGHT; UWORD Xend = ((xstart + image_width)%4 == 0)?((xstart + image_width) / 4 - 1): ((xstart + image_width) / 4 ); UWORD Yend = ystart + image_heigh-1; xstart = xstart / 4; if(xstart > 170 ) { Xend = Xend - 170; xstart = xstart - 170; EPD_10in85g_SendCommand_0(0x10); for (UDOUBLE i = 0; i < Height; i++) { for (UDOUBLE j = 0; j < Width; j++) { EPD_10in85g_SendData_0(0x55); } } EPD_10in85g_SendCommand_1(0x10); for (UDOUBLE i = 0; i < Height; i++) { for (UDOUBLE j = 0; j < Width; j++) { if((i=ystart) && (j=xstart)) { EPD_10in85g_SendData_1(Image[(j-xstart) + (image_width/4*(i-ystart))]); } else EPD_10in85g_SendData_1(0x55); } } } else if(Xend < 170 ) { EPD_10in85g_SendCommand_0(0x10); for (UDOUBLE i = 0; i < Height; i++) { for (UDOUBLE j = 0; j < Width; j++) { if((i=ystart) && (j=xstart)) { EPD_10in85g_SendData_0(Image[(j-xstart) + (image_width/4*(i-ystart))]); } else EPD_10in85g_SendData_0(0x55); } } EPD_10in85g_SendCommand_1(0x10); for (UDOUBLE i = 0; i < Height; i++) { for (UDOUBLE j = 0; j < Width; j++) { EPD_10in85g_SendData_1(0x55); } } } else { EPD_10in85g_SendCommand_0(0x10); for (UDOUBLE i = 0; i < Height; i++) { for (UDOUBLE j = 0; j < Width; j++) { if((i=ystart) && (j>=xstart)) { EPD_10in85g_SendData_0(Image[(j-xstart) + (image_width/4*(i-ystart))]); } else EPD_10in85g_SendData_0(0x55); } } EPD_10in85g_SendCommand_1(0x10); for (UDOUBLE i = 0; i < Height; i++) { for (UDOUBLE j = 0; j < Width; j++) { if((i=ystart) && (j