/***************************************************************************** * | File : EPD_1in54b.c * | Author : Waveshare team * | Function : 1.54inch e-paper b * | Info : *---------------- * | This version: V3.1 * | Date : 2019-06-12 * | Info : * ----------------------------------------------------------------------------- * V3.1(2019-06-12): * 1.Change: * lut_vcom0[] => EPD_1IN54_lut_vcom0[] * lut_w[] => EPD_1IN54_lut_w[] * lut_b[] => EPD_1IN54B_lut_b[] * lut_g1[] => EPD_1IN54B_lut_g1[] * lut_g2[] => EPD_1IN54B_lut_g2[] * lut_vcom1[] => EPD_1IN54B_lut_vcom1[] * lut_red0[] => EPD_1IN54B_lut_red0[] * lut_red1[] => EPD_1IN54B_lut_red1[] * EPD_Reset() => EPD_1IN54B_Reset() * EPD_SendCommand() => EPD_1IN54B_SendCommand() * EPD_SendData() => EPD_1IN54B_SendData() * EPD_WaitUntilIdle() => EPD_1IN54B_ReadBusy() * EPD_SetLutBw() => EPD_1IN54B_SetLutBw() * EPD_SetLutBw => EPD_1IN54B_SetLutBw() * EPD_Init() => EPD_1IN54B_Init() * EPD_Clear() => EPD_1IN54B_Clear() * EPD_Display() => EPD_1IN54B_Display() * EPD_Sleep() => EPD_1IN54B_Sleep() * ----------------------------------------------------------------------------- * V3.0(2019-04-24): * 1.remove commands define: * #define PANEL_SETTING 0x00 * #define POWER_SETTING 0x01 * #define POWER_OFF 0x02 * #define POWER_OFF_SEQUENCE_SETTING 0x03 * #define POWER_ON 0x04 * #define POWER_ON_MEASURE 0x05 * #define BOOSTER_SOFT_START 0x06 * #define DEEP_SLEEP 0x07 * #define DATA_START_TRANSMISSION_1 0x10 * #define DATA_STOP 0x11 * #define DISPLAY_REFRESH 0x12 * #define DATA_START_TRANSMISSION_2 0x13 * #define PLL_CONTROL 0x30 * #define TEMPERATURE_SENSOR_COMMAND 0x40 * #define TEMPERATURE_SENSOR_CALIBRATION 0x41 * #define TEMPERATURE_SENSOR_WRITE 0x42 * #define TEMPERATURE_SENSOR_READ 0x43 * #define VCOM_AND_DATA_INTERVAL_SETTING 0x50 * #define LOW_POWER_DETECTION 0x51 * #define TCON_SETTING 0x60 * #define TCON_RESOLUTION 0x61 * #define SOURCE_AND_GATE_START_SETTING 0x62 * #define GET_STATUS 0x71 * #define AUTO_MEASURE_VCOM 0x80 * #define VCOM_VALUE 0x81 * #define VCM_DC_SETTING_REGISTER 0x82 * #define PROGRAM_MODE 0xA0 * #define ACTIVE_PROGRAM 0xA1 * #define READ_OTP_DATA 0xA2 * * ----------------------------------------------------------------------------- * V2.0(2018-10-30): * 1.Remove:ImageBuff[EPD_1IN54B_HEIGHT * EPD_1IN54B_WIDTH / 8] * 2.Change:EPD_Display(UBYTE *Image) * Need to pass parameters: pointer to cached data * 3.Change: * EPD_RST -> EPD_RST_PIN * EPD_DC -> EPD_DC_PIN * EPD_CS -> EPD_CS_PIN * EPD_BUSY -> EPD_BUSY_PIN # # 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_1in54b.h" #include "Debug.h" const unsigned char EPD_1IN54B_lut_vcom0[] = {0x0E, 0x14, 0x01, 0x0A, 0x06, 0x04, 0x0A, 0x0A, 0x0F, 0x03, 0x03, 0x0C, 0x06, 0x0A, 0x00}; const unsigned char EPD_1IN54B_lut_w[] = {0x0E, 0x14, 0x01, 0x0A, 0x46, 0x04, 0x8A, 0x4A, 0x0F, 0x83, 0x43, 0x0C, 0x86, 0x0A, 0x04}; const unsigned char EPD_1IN54B_lut_b[] = {0x0E, 0x14, 0x01, 0x8A, 0x06, 0x04, 0x8A, 0x4A, 0x0F, 0x83, 0x43, 0x0C, 0x06, 0x4A, 0x04}; const unsigned char EPD_1IN54B_lut_g1[] = {0x8E, 0x94, 0x01, 0x8A, 0x06, 0x04, 0x8A, 0x4A, 0x0F, 0x83, 0x43, 0x0C, 0x06, 0x0A, 0x04}; const unsigned char EPD_1IN54B_lut_g2[] = {0x8E, 0x94, 0x01, 0x8A, 0x06, 0x04, 0x8A, 0x4A, 0x0F, 0x83, 0x43, 0x0C, 0x06, 0x0A, 0x04}; const unsigned char EPD_1IN54B_lut_vcom1[] = {0x03, 0x1D, 0x01, 0x01, 0x08, 0x23, 0x37, 0x37, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; const unsigned char EPD_1IN54B_lut_red0[] = {0x83, 0x5D, 0x01, 0x81, 0x48, 0x23, 0x77, 0x77, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; const unsigned char EPD_1IN54B_lut_red1[] = {0x03, 0x1D, 0x01, 0x01, 0x08, 0x23, 0x37, 0x37, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; /****************************************************************************** function : Software reset parameter: ******************************************************************************/ static void EPD_1IN54B_Reset(void) { DEV_Digital_Write(EPD_RST_PIN, 1); DEV_Delay_ms(100); DEV_Digital_Write(EPD_RST_PIN, 0); DEV_Delay_ms(2); DEV_Digital_Write(EPD_RST_PIN, 1); DEV_Delay_ms(100); } /****************************************************************************** function : send command parameter: Reg : Command register ******************************************************************************/ static void EPD_1IN54B_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_1IN54B_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_1IN54B_ReadBusy(void) { Debug("e-Paper busy\r\n"); while(1) { if(DEV_Digital_Read(EPD_BUSY_PIN) == 1) break; } DEV_Delay_ms(200); Debug("e-Paper busy release\r\n"); } /****************************************************************************** function : Set the look-up black and white tables parameter: ******************************************************************************/ static void EPD_1IN54B_SetLutBw(void) { UWORD count; EPD_1IN54B_SendCommand(0x20);// g vcom for(count = 0; count < 15; count++) { EPD_1IN54B_SendData(EPD_1IN54B_lut_vcom0[count]); } EPD_1IN54B_SendCommand(0x21);// g ww -- for(count = 0; count < 15; count++) { EPD_1IN54B_SendData(EPD_1IN54B_lut_w[count]); } EPD_1IN54B_SendCommand(0x22);// g bw r for(count = 0; count < 15; count++) { EPD_1IN54B_SendData(EPD_1IN54B_lut_b[count]); } EPD_1IN54B_SendCommand(0x23);// g wb w for(count = 0; count < 15; count++) { EPD_1IN54B_SendData(EPD_1IN54B_lut_g1[count]); } EPD_1IN54B_SendCommand(0x24);// g bb b for(count = 0; count < 15; count++) { EPD_1IN54B_SendData(EPD_1IN54B_lut_g2[count]); } } /****************************************************************************** function : Set the look-up red tables parameter: ******************************************************************************/ static void EPD_1IN54B_SetLutRed(void) { UWORD count; EPD_1IN54B_SendCommand(0x25); for(count = 0; count < 15; count++) { EPD_1IN54B_SendData(EPD_1IN54B_lut_vcom1[count]); } EPD_1IN54B_SendCommand(0x26); for(count = 0; count < 15; count++) { EPD_1IN54B_SendData(EPD_1IN54B_lut_red0[count]); } EPD_1IN54B_SendCommand(0x27); for(count = 0; count < 15; count++) { EPD_1IN54B_SendData(EPD_1IN54B_lut_red1[count]); } } /****************************************************************************** function : Initialize the e-Paper register parameter: ******************************************************************************/ void EPD_1IN54B_Init(void) { EPD_1IN54B_Reset(); EPD_1IN54B_SendCommand(0x01);// POWER_SETTING EPD_1IN54B_SendData(0x07); EPD_1IN54B_SendData(0x00); EPD_1IN54B_SendData(0x08); EPD_1IN54B_SendData(0x00); EPD_1IN54B_SendCommand(0x06);// BOOSTER_SOFT_START EPD_1IN54B_SendData(0x07); EPD_1IN54B_SendData(0x07); EPD_1IN54B_SendData(0x07); EPD_1IN54B_SendCommand(0x04);// POWER_ON EPD_1IN54B_ReadBusy(); EPD_1IN54B_SendCommand(0X00);// PANEL_SETTING EPD_1IN54B_SendData(0xcf); EPD_1IN54B_SendCommand(0X50);// VCOM_AND_DATA_INTERVAL_SETTING EPD_1IN54B_SendData(0x37);// 0xF0 EPD_1IN54B_SendCommand(0x30);// PLL_CONTROL EPD_1IN54B_SendData(0x39); EPD_1IN54B_SendCommand(0x61);// TCON_RESOLUTION set x and y EPD_1IN54B_SendData(0xC8);// 200 EPD_1IN54B_SendData(0x00);// y High eight: 0 EPD_1IN54B_SendData(0xC8);// y Low eight: 200 EPD_1IN54B_SendCommand(0x82);// VCM_DC_SETTING_REGISTER EPD_1IN54B_SendData(0x0E); EPD_1IN54B_SetLutBw(); EPD_1IN54B_SetLutRed(); } /****************************************************************************** function : Clear screen parameter: ******************************************************************************/ void EPD_1IN54B_Clear(void) { UWORD Width, Height; Width = (EPD_1IN54B_WIDTH % 8 == 0)? (EPD_1IN54B_WIDTH / 8 ): (EPD_1IN54B_WIDTH / 8 + 1); Height = EPD_1IN54B_HEIGHT; //send black data EPD_1IN54B_SendCommand(0x10);// DATA_START_TRANSMISSION_1 DEV_Delay_ms(2); for(UWORD i = 0; i < Height; i++) { for(UWORD i = 0; i < Width; i++) { EPD_1IN54B_SendData(0xFF); EPD_1IN54B_SendData(0xFF); } } DEV_Delay_ms(2); //send red data EPD_1IN54B_SendCommand(0x13);// DATA_START_TRANSMISSION_2 DEV_Delay_ms(2); for(UWORD i = 0; i < Height; i++) { for(UWORD i = 0; i < Width; i++) { EPD_1IN54B_SendData(0xFF); } } DEV_Delay_ms(2); EPD_1IN54B_SendCommand(0x12);// DISPLAY_REFRESH EPD_1IN54B_ReadBusy(); } /****************************************************************************** function : Sends the image buffer in RAM to e-Paper and displays parameter: ******************************************************************************/ void EPD_1IN54B_Display(const UBYTE *blackimage, const UBYTE *redimage) { UBYTE Temp = 0x00; UWORD Width, Height; Width = (EPD_1IN54B_WIDTH % 8 == 0)? (EPD_1IN54B_WIDTH / 8 ): (EPD_1IN54B_WIDTH / 8 + 1); Height = EPD_1IN54B_HEIGHT; EPD_1IN54B_SendCommand(0x10);// DATA_START_TRANSMISSION_1 for (UWORD j = 0; j < Height; j++) { for (UWORD i = 0; i < Width; i++) { Temp = 0x00; for (int bit = 0; bit < 4; bit++) { if ((blackimage[i + j * Width] & (0x80 >> bit)) != 0) { Temp |= 0xC0 >> (bit * 2); } } EPD_1IN54B_SendData(Temp); Temp = 0x00; for (int bit = 4; bit < 8; bit++) { if ((blackimage[i + j * Width] & (0x80 >> bit)) != 0) { Temp |= 0xC0 >> ((bit - 4) * 2); } } EPD_1IN54B_SendData(Temp); } } DEV_Delay_ms(2); EPD_1IN54B_SendCommand(0x13);// DATA_START_TRANSMISSION_2 for (UWORD j = 0; j < Height; j++) { for (UWORD i = 0; i < Width; i++) { EPD_1IN54B_SendData(redimage[i + j * Width]); } } DEV_Delay_ms(2); //Display refresh EPD_1IN54B_SendCommand(0x12);// DISPLAY_REFRESH EPD_1IN54B_ReadBusy(); } /****************************************************************************** function : Enter sleep mode parameter: ******************************************************************************/ void EPD_1IN54B_Sleep(void) { EPD_1IN54B_SendCommand(0x50);// VCOM_AND_DATA_INTERVAL_SETTING EPD_1IN54B_SendData(0x17); EPD_1IN54B_SendCommand(0x82);// VCM_DC_SETTING_REGISTER EPD_1IN54B_SendData(0x00); EPD_1IN54B_SendCommand(0x01);// POWER_SETTING EPD_1IN54B_SendData(0x02); EPD_1IN54B_SendData(0x00); EPD_1IN54B_SendData(0x00); EPD_1IN54B_SendData(0x00); EPD_1IN54B_ReadBusy(); DEV_Delay_ms(1000); EPD_1IN54B_SendCommand(0x02);// POWER_OFF }