/* xdsp_05_epaper.ino - Display e-paper support for Tasmota Copyright (C) 2021 Theo Arends, Gerhard Mutz and Waveshare This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . */ #ifdef USE_SPI #ifdef USE_DISPLAY #ifdef USE_DISPLAY_EPAPER_29 #define XDSP_05 5 #define EPD_TOP 12 #define EPD_FONT_HEIGTH 12 #define COLORED 1 #define UNCOLORED 0 // using font 8 is opional (num=3) // very badly readable, but may be useful for graphs #define USE_TINY_FONT #include #include //unsigned char image[(EPD_HEIGHT * EPD_WIDTH) / 8]; uint16_t epd_scroll; bool epd_init_done = false; Epd *epd; /*********************************************************************************************/ void EpdInitDriver29(void) { if (PinUsed(GPIO_EPAPER29_CS) && ((TasmotaGlobal.soft_spi_enabled & SPI_MOSI) || (TasmotaGlobal.spi_enabled & SPI_MOSI))) { Settings->display_model = XDSP_05; if (Settings->display_width != EPD_WIDTH) { Settings->display_width = EPD_WIDTH; } if (Settings->display_height != EPD_HEIGHT) { Settings->display_height = EPD_HEIGHT; } // init renderer epd = new Epd(EPD_WIDTH, EPD_HEIGHT); // whiten display with full update, takes 3 seconds if (TasmotaGlobal.soft_spi_enabled) { epd->Begin(Pin(GPIO_EPAPER29_CS), Pin(GPIO_SSPI_MOSI), Pin(GPIO_SSPI_SCLK), Pin(GPIO_OLED_RESET), Pin(GPIO_SSPI_MISO)); } else if (TasmotaGlobal.spi_enabled) { epd->Begin(Pin(GPIO_EPAPER29_CS), Pin(GPIO_SPI_MOSI), Pin(GPIO_SPI_CLK), Pin(GPIO_OLED_RESET)); } renderer = epd; epd->Init(DISPLAY_INIT_FULL); epd->Init(DISPLAY_INIT_PARTIAL); renderer->DisplayInit(DISPLAY_INIT_MODE,Settings->display_size,Settings->display_rotate,Settings->display_font); renderer->setTextColor(1,0); #ifdef SHOW_SPLASH if (!Settings->flag5.display_no_splash) { // Welcome text delay(100); renderer->setTextFont(1); renderer->DrawStringAt(50, 50, "Waveshare E-Paper Display!", COLORED,0); renderer->Updateframe(); delay(1000); renderer->fillScreen(0); } #endif epd_init_done = true; AddLog(LOG_LEVEL_INFO, PSTR("DSP: E-Paper 2.9")); } } /*********************************************************************************************/ /*********************************************************************************************/ #ifdef USE_DISPLAY_MODES1TO5 #define EPD_FONT_HEIGTH 12 void EpdPrintLog29(void) { disp_refresh--; if (!disp_refresh) { disp_refresh = Settings->display_refresh; //if (Settings->display_rotate) { if (!disp_screen_buffer_cols) { DisplayAllocScreenBuffer(); } //} char* txt = DisplayLogBuffer('\040'); if (txt != nullptr) { uint8_t size = Settings->display_size; uint16_t theight = size * EPD_FONT_HEIGTH; renderer->setTextFont(size); uint8_t last_row = Settings->display_rows -1; // epd_scroll = theight; // Start below header epd_scroll = 0; // Start at top with no header for (uint32_t i = 0; i < last_row; i++) { strlcpy(disp_screen_buffer[i], disp_screen_buffer[i +1], disp_screen_buffer_cols); renderer->DrawStringAt(0, epd_scroll, disp_screen_buffer[i], COLORED, 0); epd_scroll += theight; } strlcpy(disp_screen_buffer[last_row], txt, disp_screen_buffer_cols); DisplayFillScreen(last_row); renderer->DrawStringAt(0, epd_scroll, disp_screen_buffer[last_row], COLORED, 0); // EpdDisplayFrame(); } } } void EpdRefresh29(void) // Every second { if (Settings->display_mode) { // Mode 0 is User text if (!renderer) return; /* char tftdt[Settings->display_cols[0] +1]; char date4[11]; // 24-04-2017 char space[Settings->display_cols[0] - 17]; char time[9]; // 13:45:43 EpdSetFont(1); snprintf_P(date4, sizeof(date4), PSTR("%02d" D_MONTH_DAY_SEPARATOR "%02d" D_YEAR_MONTH_SEPARATOR "%04d"), RtcTime.day_of_month, RtcTime.month, RtcTime.year); memset(space, 0x20, sizeof(space)); space[sizeof(space) -1] = '\0'; snprintf_P(time, sizeof(time), PSTR("%02d" D_HOUR_MINUTE_SEPARATOR "%02d" D_MINUTE_SECOND_SEPARATOR "%02d"), RtcTime.hour, RtcTime.minute, RtcTime.second); snprintf_P(tftdt, sizeof(tftdt), PSTR("%s%s%s"), date4, space, time); EpdDrawStringAt(0, 0, tftdt, COLORED, 0); */ switch (Settings->display_mode) { case 1: // Text case 2: // Local case 3: // Local case 4: // Mqtt case 5: // Mqtt EpdPrintLog29(); renderer->Updateframe(); break; } // EpdDisplayFrame(); } } #endif // USE_DISPLAY_MODES1TO5 /*********************************************************************************************\ * Interface \*********************************************************************************************/ bool Xdsp05(uint32_t function) { bool result = false; if (FUNC_DISPLAY_INIT_DRIVER == function) { EpdInitDriver29(); } else if (epd_init_done && (XDSP_05 == Settings->display_model)) { switch (function) { case FUNC_DISPLAY_MODEL: result = true; break; #ifdef USE_DISPLAY_MODES1TO5 case FUNC_DISPLAY_EVERY_SECOND: EpdRefresh29(); break; #endif // USE_DISPLAY_MODES1TO5 } } return result; } #endif // USE_DISPLAY_EPAPER #endif // USE_DISPLAY #endif // USE_SPI