/***************************************************************************** * | File : EPD_2in66.c * | Author : Waveshare team * | Function : 2.66inch e-paper * | Info : *---------------- * | This version: V1.0 * | Date : 2020-07-29 * | 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_2in66.h" #include "Debug.h" const unsigned char WF_PARTIAL[159] ={ 0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x40,0x40,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x0A,0x00,0x00,0x00,0x00,0x00,0x02,0x01,0x00,0x00, 0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x22,0x22,0x22,0x22,0x22,0x22, 0x00,0x00,0x00,0x22,0x17,0x41,0xB0,0x32,0x36, }; /****************************************************************************** function : Software reset parameter: ******************************************************************************/ static void EPD_2IN66_Reset(void) { DEV_Digital_Write(EPD_RST_PIN, 1); DEV_Delay_ms(200); DEV_Digital_Write(EPD_RST_PIN, 0); DEV_Delay_ms(2); DEV_Digital_Write(EPD_RST_PIN, 1); DEV_Delay_ms(200); } /****************************************************************************** function : send command parameter: Reg : Command register ******************************************************************************/ static void EPD_2IN66_SendCommand(UBYTE Reg) { DEV_Digital_Write(EPD_DC_PIN, 0); DEV_Digital_Write(EPD_CS_PIN, 0); DEV_SPI_WriteByte(Reg); DEV_Digital_Write(EPD_CS_PIN, 1); } /****************************************************************************** function : send data parameter: Data : Write data ******************************************************************************/ static void EPD_2IN66_SendData(UBYTE Data) { DEV_Digital_Write(EPD_DC_PIN, 1); DEV_Digital_Write(EPD_CS_PIN, 0); DEV_SPI_WriteByte(Data); DEV_Digital_Write(EPD_CS_PIN, 1); } /****************************************************************************** function : Wait until the busy_pin goes LOW parameter: ******************************************************************************/ void EPD_2IN66_ReadBusy(void) { Debug("e-Paper busy\r\n"); DEV_Delay_ms(100); while(DEV_Digital_Read(EPD_BUSY_PIN) == 1) { //LOW: idle, HIGH: busy DEV_Delay_ms(100); } DEV_Delay_ms(100); Debug("e-Paper busy release\r\n"); } /****************************************************************************** function : Turn On Display parameter: ******************************************************************************/ static void EPD_2IN66_TurnOnDisplay(void) { EPD_2IN66_SendCommand(0x20); EPD_2IN66_ReadBusy(); } /****************************************************************************** function : Send LUT parameter: ******************************************************************************/ static void EPD_2IN66_SetLUA(void) { UWORD count; EPD_2IN66_SendCommand(0x32); for(count=0;count<153;count++){ EPD_2IN66_SendData(WF_PARTIAL[count]); } EPD_2IN66_ReadBusy(); } /****************************************************************************** function : Initialize the e-Paper register parameter: ******************************************************************************/ void EPD_2IN66_Init(void) { EPD_2IN66_Reset(); EPD_2IN66_ReadBusy(); EPD_2IN66_SendCommand(0x12);//soft reset EPD_2IN66_ReadBusy(); /* Y increment, X increment */ EPD_2IN66_SendCommand(0x11); EPD_2IN66_SendData(0x03); /* Set RamX-address Start/End position */ EPD_2IN66_SendCommand(0x44); EPD_2IN66_SendData(0x01); EPD_2IN66_SendData((EPD_2IN66_WIDTH % 8 == 0)? (EPD_2IN66_WIDTH / 8 ): (EPD_2IN66_WIDTH / 8 + 1) ); /* Set RamY-address Start/End position */ EPD_2IN66_SendCommand(0x45); EPD_2IN66_SendData(0); EPD_2IN66_SendData(0); EPD_2IN66_SendData((EPD_2IN66_HEIGHT&0xff)); EPD_2IN66_SendData((EPD_2IN66_HEIGHT&0x100)>>8); EPD_2IN66_ReadBusy(); } /****************************************************************************** function : Initialize the e-Paper register(Partial display) parameter: ******************************************************************************/ void EPD_2IN66_Init_Partial(void) { EPD_2IN66_Reset(); EPD_2IN66_ReadBusy(); EPD_2IN66_SendCommand(0x12);//soft reset EPD_2IN66_ReadBusy(); EPD_2IN66_SetLUA(); EPD_2IN66_SendCommand(0x37); EPD_2IN66_SendData(0x00); EPD_2IN66_SendData(0x00); EPD_2IN66_SendData(0x00); EPD_2IN66_SendData(0x00); EPD_2IN66_SendData(0x00); EPD_2IN66_SendData(0x40); EPD_2IN66_SendData(0x00); EPD_2IN66_SendData(0x00); EPD_2IN66_SendData(0x00); EPD_2IN66_SendData(0x00); /* Y increment, X increment */ EPD_2IN66_SendCommand(0x11); EPD_2IN66_SendData(0x03); /* Set RamX-address Start/End position */ EPD_2IN66_SendCommand(0x44); EPD_2IN66_SendData(0x01); EPD_2IN66_SendData((EPD_2IN66_WIDTH % 8 == 0)? (EPD_2IN66_WIDTH / 8 ): (EPD_2IN66_WIDTH / 8 + 1) ); /* Set RamY-address Start/End position */ EPD_2IN66_SendCommand(0x45); EPD_2IN66_SendData(0); EPD_2IN66_SendData(0); EPD_2IN66_SendData((EPD_2IN66_HEIGHT&0xff)); EPD_2IN66_SendData((EPD_2IN66_HEIGHT&0x100)>>8); EPD_2IN66_SendCommand(0x3C); EPD_2IN66_SendData(0x80); EPD_2IN66_SendCommand(0x22); EPD_2IN66_SendData(0xcf); EPD_2IN66_SendCommand(0x20); EPD_2IN66_ReadBusy(); } /****************************************************************************** function : Clear screen parameter: ******************************************************************************/ void EPD_2IN66_Clear(void) { UWORD Width, Height; Width = (EPD_2IN66_WIDTH % 8 == 0)? (EPD_2IN66_WIDTH / 8 ): (EPD_2IN66_WIDTH / 8 + 1); Height = EPD_2IN66_HEIGHT; EPD_2IN66_SendCommand(0x24); for (UWORD j = 0; j <=Height; j++) { for (UWORD i = 0; i < Width; i++) { EPD_2IN66_SendData(0xff); } } EPD_2IN66_TurnOnDisplay(); } /****************************************************************************** function : Sends the image buffer in RAM to e-Paper and displays parameter: ******************************************************************************/ void EPD_2IN66_Display(UBYTE *Image) { UWORD Width, Height; Width = (EPD_2IN66_WIDTH % 8 == 0)? (EPD_2IN66_WIDTH / 8 ): (EPD_2IN66_WIDTH / 8 + 1); Height = EPD_2IN66_HEIGHT; UDOUBLE Addr = 0; // UDOUBLE Offset = ImageName; EPD_2IN66_SendCommand(0x24); for (UWORD j = 0; j