mirror of https://github.com/arendst/Tasmota.git
210 lines
6.3 KiB
C++
210 lines
6.3 KiB
C++
/*
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xdsp_05_epaper.ino - Display e-paper support for Sonoff-Tasmota
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Copyright (C) 2019 Theo Arends, Gerhard Mutz and Waveshare
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef USE_SPI
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#ifdef USE_DISPLAY
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#ifdef USE_DISPLAY_EPAPER_29
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#define XDSP_05 5
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#define EPD_TOP 12
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#define EPD_FONT_HEIGTH 12
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#define COLORED 1
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#define UNCOLORED 0
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// using font 8 is opional (num=3)
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// very badly readable, but may be useful for graphs
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#define USE_TINY_FONT
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#include <epd2in9.h>
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#include <epdpaint.h>
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//unsigned char image[(EPD_HEIGHT * EPD_WIDTH) / 8];
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extern uint8_t *buffer;
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uint16_t epd_scroll;
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Epd *epd;
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/*********************************************************************************************/
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void EpdInitDriver29()
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{
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if (!Settings.display_model) {
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Settings.display_model = XDSP_05;
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}
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if (XDSP_05 == Settings.display_model) {
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if (Settings.display_width != EPD_WIDTH) {
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Settings.display_width = EPD_WIDTH;
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}
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if (Settings.display_height != EPD_HEIGHT) {
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Settings.display_height = EPD_HEIGHT;
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}
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// allocate screen buffer
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if (buffer) free(buffer);
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buffer=(unsigned char*)calloc((EPD_WIDTH * EPD_HEIGHT) / 8,1);
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if (!buffer) return;
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// init renderer
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epd = new Epd(EPD_WIDTH,EPD_HEIGHT);
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// whiten display with full update, takes 3 seconds
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if ((pin[GPIO_SPI_CS] < 99) && (pin[GPIO_SPI_CLK] < 99) && (pin[GPIO_SPI_MOSI] < 99)) {
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epd->Begin(pin[GPIO_SPI_CS],pin[GPIO_SPI_MOSI],pin[GPIO_SPI_CLK]);
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AddLog_P2(LOG_LEVEL_DEBUG, PSTR("EPD: HardSPI CS %d, CLK %d, MOSI %d"),pin[GPIO_SPI_CS], pin[GPIO_SPI_CLK], pin[GPIO_SPI_MOSI]);
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}
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else if ((pin[GPIO_SSPI_CS] < 99) && (pin[GPIO_SSPI_SCLK] < 99) && (pin[GPIO_SSPI_MOSI] < 99)) {
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epd->Begin(pin[GPIO_SSPI_CS],pin[GPIO_SSPI_MOSI],pin[GPIO_SSPI_SCLK]);
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AddLog_P2(LOG_LEVEL_DEBUG, PSTR("EPD: SoftSPI CS %d, CLK %d, MOSI %d"),pin[GPIO_SSPI_CS], pin[GPIO_SSPI_SCLK], pin[GPIO_SSPI_MOSI]);
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} else {
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free(buffer);
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return;
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}
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renderer = epd;
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epd->Init(DISPLAY_INIT_FULL);
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epd->Init(DISPLAY_INIT_PARTIAL);
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renderer->DisplayInit(DISPLAY_INIT_MODE,Settings.display_size,Settings.display_rotate,Settings.display_font);
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renderer->setTextColor(1,0);
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#ifdef SHOW_SPLASH
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// Welcome text
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renderer->setTextFont(1);
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renderer->DrawStringAt(50, 50, "Waveshare E-Paper Display!", COLORED,0);
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renderer->Updateframe();
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delay(1000);
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renderer->fillScreen(0);
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#endif
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}
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}
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/*********************************************************************************************/
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/*********************************************************************************************/
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#ifdef USE_DISPLAY_MODES1TO5
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#define EPD_FONT_HEIGTH 12
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void EpdPrintLog29(void)
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{
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disp_refresh--;
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if (!disp_refresh) {
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disp_refresh = Settings.display_refresh;
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//if (Settings.display_rotate) {
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if (!disp_screen_buffer_cols) { DisplayAllocScreenBuffer(); }
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//}
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char* txt = DisplayLogBuffer('\040');
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if (txt != nullptr) {
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uint8_t size = Settings.display_size;
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uint16_t theight = size * EPD_FONT_HEIGTH;
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renderer->setTextFont(size);
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uint8_t last_row = Settings.display_rows -1;
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// epd_scroll = theight; // Start below header
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epd_scroll = 0; // Start at top with no header
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for (uint32_t i = 0; i < last_row; i++) {
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strlcpy(disp_screen_buffer[i], disp_screen_buffer[i +1], disp_screen_buffer_cols);
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renderer->DrawStringAt(0, epd_scroll, disp_screen_buffer[i], COLORED, 0);
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epd_scroll += theight;
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}
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strlcpy(disp_screen_buffer[last_row], txt, disp_screen_buffer_cols);
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DisplayFillScreen(last_row);
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renderer->DrawStringAt(0, epd_scroll, disp_screen_buffer[last_row], COLORED, 0);
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// EpdDisplayFrame();
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AddLog_P2(LOG_LEVEL_DEBUG, PSTR(D_LOG_APPLICATION "[%s]"), txt);
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}
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}
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}
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void EpdRefresh29(void) // Every second
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{
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if (Settings.display_mode) { // Mode 0 is User text
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if (!renderer) return;
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/*
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char tftdt[Settings.display_cols[0] +1];
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char date4[11]; // 24-04-2017
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char space[Settings.display_cols[0] - 17];
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char time[9]; // 13:45:43
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EpdSetFont(1);
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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);
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memset(space, 0x20, sizeof(space));
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space[sizeof(space) -1] = '\0';
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snprintf_P(time, sizeof(time), PSTR("%02d" D_HOUR_MINUTE_SEPARATOR "%02d" D_MINUTE_SECOND_SEPARATOR "%02d"), RtcTime.hour, RtcTime.minute, RtcTime.second);
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snprintf_P(tftdt, sizeof(tftdt), PSTR("%s%s%s"), date4, space, time);
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EpdDrawStringAt(0, 0, tftdt, COLORED, 0);
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*/
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switch (Settings.display_mode) {
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case 1: // Text
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case 2: // Local
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case 3: // Local
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case 4: // Mqtt
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case 5: // Mqtt
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EpdPrintLog29();
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renderer->Updateframe();
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break;
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}
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// EpdDisplayFrame();
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}
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}
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#endif // USE_DISPLAY_MODES1TO5
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/*********************************************************************************************\
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* Interface
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\*********************************************************************************************/
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bool Xdsp05(uint8_t function)
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{
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bool result = false;
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if (FUNC_DISPLAY_INIT_DRIVER == function) {
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EpdInitDriver29();
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}
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else if (XDSP_05 == Settings.display_model) {
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switch (function) {
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case FUNC_DISPLAY_MODEL:
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result = true;
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break;
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#ifdef USE_DISPLAY_MODES1TO5
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case FUNC_DISPLAY_EVERY_SECOND:
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EpdRefresh29();
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break;
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#endif // USE_DISPLAY_MODES1TO5
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}
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}
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return result;
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}
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#endif // USE_DISPLAY_EPAPER
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#endif // USE_DISPLAY
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#endif // USE_SPI
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