mirror of https://github.com/arendst/Tasmota.git
161 lines
4.0 KiB
C++
161 lines
4.0 KiB
C++
/*
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xdsp_05_epaper.ino - Display e-paper support for 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_42
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#define XDSP_06 6
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#define COLORED42 1
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#define UNCOLORED42 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 <epd4in2.h>
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#include <epdpaint.h>
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extern uint8_t *buffer;
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Epd42 *epd42;
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/*********************************************************************************************/
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void EpdInitDriver42()
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{
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if (!Settings.display_model) {
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Settings.display_model = XDSP_06;
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}
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if (XDSP_06 == Settings.display_model) {
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if (Settings.display_width != EPD_WIDTH42) {
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Settings.display_width = EPD_WIDTH42;
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}
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if (Settings.display_height != EPD_HEIGHT42) {
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Settings.display_height = EPD_HEIGHT42;
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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_WIDTH42 * EPD_HEIGHT42) / 8,1);
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if (!buffer) return;
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// init renderer
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epd42 = new Epd42(EPD_WIDTH42,EPD_HEIGHT42);
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#ifdef USE_SPI
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if ((pin[GPIO_SSPI_CS]<99) && (pin[GPIO_SSPI_MOSI]<99) && (pin[GPIO_SSPI_SCLK]<99)) {
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epd42->Begin(pin[GPIO_SSPI_CS],pin[GPIO_SSPI_MOSI],pin[GPIO_SSPI_SCLK]);
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} else {
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free(buffer);
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return;
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}
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#else
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if ((pin[GPIO_SPI_CS]<99) && (pin[GPIO_SPI_MOSI]<99) && (pin[GPIO_SPI_CLK]<99)) {
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epd42->Begin(pin[GPIO_SPI_CS],pin[GPIO_SPI_MOSI],pin[GPIO_SPI_CLK]);
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} else {
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free(buffer);
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return;
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}
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#endif
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renderer = epd42;
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epd42->Init();
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renderer->fillScreen(0);
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// whiten display with full update, takes 4 seconds
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epd42->Init(DISPLAY_INIT_FULL);
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renderer->DisplayInit(DISPLAY_INIT_MODE,Settings.display_size,Settings.display_rotate,Settings.display_font);
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epd42->ClearFrame();
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renderer->Updateframe();
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delay(3000);
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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(2);
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renderer->DrawStringAt(50, 140, "Waveshare E-Paper!", COLORED42,0);
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renderer->Updateframe();
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delay(350);
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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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void EpdRefresh42() // Every second
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{
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if (Settings.display_mode) { // Mode 0 is User text
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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 Xdsp06(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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EpdInitDriver42();
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}
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else if (XDSP_06 == 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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EpdRefresh42();
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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_EPAPER42
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#endif // USE_DISPLAY
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#endif // USE_SPI
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