/***************************************************************************** * | File : EPD_7in5.c * | Author : Waveshare team * | Function : Electronic paper driver * | Info : *---------------- * | This version: V2.0 * | Date : 2018-11-09 * | 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_7in5_V2.h" #include "Debug.h" UBYTE Voltage_Frame_7IN5_V2[]={ 0x6, 0x3F, 0x3F, 0x11, 0x24, 0x7, 0x17, }; UBYTE LUT_VCOM_7IN5_V2[]={ 0x0, 0xF, 0xF, 0x0, 0x0, 0x1, 0x0, 0xF, 0x1, 0xF, 0x1, 0x2, 0x0, 0xF, 0xF, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, }; UBYTE LUT_WW_7IN5_V2[]={ 0x10, 0xF, 0xF, 0x0, 0x0, 0x1, 0x84, 0xF, 0x1, 0xF, 0x1, 0x2, 0x20, 0xF, 0xF, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, }; UBYTE LUT_BW_7IN5_V2[]={ 0x10, 0xF, 0xF, 0x0, 0x0, 0x1, 0x84, 0xF, 0x1, 0xF, 0x1, 0x2, 0x20, 0xF, 0xF, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, }; UBYTE LUT_WB_7IN5_V2[]={ 0x80, 0xF, 0xF, 0x0, 0x0, 0x1, 0x84, 0xF, 0x1, 0xF, 0x1, 0x2, 0x40, 0xF, 0xF, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, }; UBYTE LUT_BB_7IN5_V2[]={ 0x80, 0xF, 0xF, 0x0, 0x0, 0x1, 0x84, 0xF, 0x1, 0xF, 0x1, 0x2, 0x40, 0xF, 0xF, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, }; /****************************************************************************** function : Software reset parameter: ******************************************************************************/ static void EPD_Reset(void) { DEV_Digital_Write(EPD_RST_PIN, 1); DEV_Delay_ms(20); DEV_Digital_Write(EPD_RST_PIN, 0); DEV_Delay_ms(2); DEV_Digital_Write(EPD_RST_PIN, 1); DEV_Delay_ms(20); } /****************************************************************************** function : send command parameter: Reg : Command register ******************************************************************************/ static void EPD_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_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: ******************************************************************************/ static void EPD_WaitUntilIdle(void) { Debug("e-Paper busy\r\n"); do{ DEV_Delay_ms(5); }while(!(DEV_Digital_Read(EPD_BUSY_PIN))); DEV_Delay_ms(5); Debug("e-Paper busy release\r\n"); } static void EPD_7IN5_V2_LUT(UBYTE* lut_vcom, UBYTE* lut_ww, UBYTE* lut_bw, UBYTE* lut_wb, UBYTE* lut_bb) { UBYTE count; EPD_SendCommand(0x20); //VCOM for(count=0; count<42; count++) EPD_SendData(lut_vcom[count]); EPD_SendCommand(0x21); //LUTBW for(count=0; count<42; count++) EPD_SendData(lut_ww[count]); EPD_SendCommand(0x22); //LUTBW for(count=0; count<42; count++) EPD_SendData(lut_bw[count]); EPD_SendCommand(0x23); //LUTWB for(count=0; count<42; count++) EPD_SendData(lut_wb[count]); EPD_SendCommand(0x24); //LUTBB for(count=0; count<42; count++) EPD_SendData(lut_bb[count]); } /****************************************************************************** function : Turn On Display parameter: ******************************************************************************/ static void EPD_7IN5_V2_TurnOnDisplay(void) { EPD_SendCommand(0x12); //DISPLAY REFRESH DEV_Delay_ms(100); //!!!The delay here is necessary, 200uS at least!!! EPD_WaitUntilIdle(); } /****************************************************************************** function : Initialize the e-Paper register parameter: ******************************************************************************/ UBYTE EPD_7IN5_V2_Init(void) { EPD_Reset(); // EPD_SendCommand(0x01); //POWER SETTING // EPD_SendData(0x07); // EPD_SendData(0x07); //VGH=20V,VGL=-20V // EPD_SendData(0x3f); //VDH=15V // EPD_SendData(0x3f); //VDL=-15V EPD_SendCommand(0x01); // power setting EPD_SendData(0x17); // 1-0=11: internal power EPD_SendData(*(Voltage_Frame_7IN5_V2+6)); // VGH&VGL EPD_SendData(*(Voltage_Frame_7IN5_V2+1)); // VSH EPD_SendData(*(Voltage_Frame_7IN5_V2+2)); // VSL EPD_SendData(*(Voltage_Frame_7IN5_V2+3)); // VSHR EPD_SendCommand(0x82); // VCOM DC Setting EPD_SendData(*(Voltage_Frame_7IN5_V2+4)); // VCOM EPD_SendCommand(0x06); // Booster Setting EPD_SendData(0x27); EPD_SendData(0x27); EPD_SendData(0x2F); EPD_SendData(0x17); EPD_SendCommand(0x30); // OSC Setting EPD_SendData(*(Voltage_Frame_7IN5_V2+0)); // 2-0=100: N=4 ; 5-3=111: M=7 ; 3C=50Hz 3A=100HZ EPD_SendCommand(0x04); //POWER ON DEV_Delay_ms(100); EPD_WaitUntilIdle(); EPD_SendCommand(0X00); //PANNEL SETTING EPD_SendData(0x3F); //KW-3f KWR-2F BWROTP 0f BWOTP 1f EPD_SendCommand(0x61); //tres EPD_SendData(0x03); //source 800 EPD_SendData(0x20); EPD_SendData(0x01); //gate 480 EPD_SendData(0xE0); EPD_SendCommand(0X15); EPD_SendData(0x00); EPD_SendCommand(0X50); //VCOM AND DATA INTERVAL SETTING EPD_SendData(0x10); EPD_SendData(0x00); EPD_SendCommand(0X60); //TCON SETTING EPD_SendData(0x22); EPD_SendCommand(0x65); // Resolution setting EPD_SendData(0x00); EPD_SendData(0x00);//800*480 EPD_SendData(0x00); EPD_SendData(0x00); EPD_7IN5_V2_LUT(LUT_VCOM_7IN5_V2, LUT_WW_7IN5_V2, LUT_BW_7IN5_V2, LUT_WB_7IN5_V2, LUT_BB_7IN5_V2); return 0; } /****************************************************************************** function : Clear screen parameter: ******************************************************************************/ void EPD_7IN5_V2_Clear(void) { UWORD Width, Height; Width =(EPD_7IN5_V2_WIDTH % 8 == 0)?(EPD_7IN5_V2_WIDTH / 8 ):(EPD_7IN5_V2_WIDTH / 8 + 1); Height = EPD_7IN5_V2_HEIGHT; UWORD i; EPD_SendCommand(0x10); for(i=0; i