2020-12-29 21:39:06 +00:00
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/*
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xdsp_14_SSD1331.ino - Display SSD1331 support for Tasmota
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2021-01-01 15:05:06 +00:00
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Copyright (C) 2021 Jeroen Vermeulen, Gerhard Mutz and Theo Arends
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2020-12-29 21:39:06 +00:00
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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_SSD1331
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#define XDSP_14 14
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#define COLORED 1
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#define UNCOLORED 0
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#define USE_TINY_FONT
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#define SSD1331_BLACK 0x0000 // 0, 0, 0
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#define SSD1331_WHITE 0xFFFF // 255, 255, 255
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2021-01-01 00:37:08 +00:00
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#define SSD1331_RED 0xF800 // 255, 0, 0
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#define SSD1331_BLUE 0x001F // 0, 0, 255
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2020-12-29 21:39:06 +00:00
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#include <Adafruit_SSD1331.h>
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2020-12-30 22:51:02 +00:00
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#include <SPI.h>
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2020-12-29 21:39:06 +00:00
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2021-01-01 15:05:06 +00:00
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bool ssd1331_init_done = false;
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2020-12-29 21:39:06 +00:00
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extern uint8_t *buffer;
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extern uint8_t color_type;
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Adafruit_SSD1331 *ssd1331;
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/*********************************************************************************************/
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void SSD1331_InitDriver() {
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2021-01-01 15:05:06 +00:00
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if (PinUsed(GPIO_SSD1331_CS) && PinUsed(GPIO_SSD1331_DC) &&
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((TasmotaGlobal.soft_spi_enabled & SPI_MOSI) || (TasmotaGlobal.spi_enabled & SPI_MOSI))) {
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2020-12-29 21:39:06 +00:00
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2021-01-01 15:05:06 +00:00
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Settings.display_model = XDSP_14;
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2020-12-29 21:39:06 +00:00
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if (Settings.display_width != Adafruit_SSD1331::TFTWIDTH) {
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Settings.display_width = Adafruit_SSD1331::TFTWIDTH;
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}
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if (Settings.display_height != Adafruit_SSD1331::TFTHEIGHT) {
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Settings.display_height = Adafruit_SSD1331::TFTHEIGHT;
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}
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2021-01-01 15:05:06 +00:00
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buffer = 0;
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2020-12-29 21:39:06 +00:00
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// default colors
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fg_color = SSD1331_WHITE;
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bg_color = SSD1331_BLACK;
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2021-01-01 15:05:06 +00:00
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int8_t reset = -1;
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if (PinUsed(GPIO_OLED_RESET)) {
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reset = Pin(GPIO_OLED_RESET);
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}
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2020-12-29 21:39:06 +00:00
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// init renderer
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2021-01-01 15:05:06 +00:00
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if (TasmotaGlobal.soft_spi_enabled) {
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ssd1331 = new Adafruit_SSD1331(Pin(GPIO_SSD1331_CS), Pin(GPIO_SSD1331_DC), Pin(GPIO_SSPI_MOSI), Pin(GPIO_SSPI_SCLK), reset);
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}
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else if (TasmotaGlobal.spi_enabled) {
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ssd1331 = new Adafruit_SSD1331(&SPI, Pin(GPIO_SSD1331_CS), Pin(GPIO_SSD1331_DC), reset);
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2020-12-29 21:39:06 +00:00
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}
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delay(100);
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ssd1331->begin();
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renderer = ssd1331;
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// Rotation is currently broken, https://github.com/adafruit/Adafruit-SSD1331-OLED-Driver-Library-for-Arduino/issues/26
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2021-01-01 15:05:06 +00:00
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renderer->DisplayInit(DISPLAY_INIT_MODE, Settings.display_size, Settings.display_rotate, Settings.display_font);
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2020-12-29 21:39:06 +00:00
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renderer->dim(Settings.display_dimmer);
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#ifdef SHOW_SPLASH
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// Welcome text
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renderer->clearDisplay();
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renderer->setTextFont(1);
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renderer->DrawStringAt(24, 27, "SSD1331", SSD1331_RED, 0);
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delay(1000);
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#endif
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color_type = COLOR_COLOR;
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2021-01-01 15:05:06 +00:00
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ssd1331_init_done = true;
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AddLog_P(LOG_LEVEL_INFO, PSTR("DSP: SSD1331"));
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2020-12-29 21:39:06 +00:00
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}
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}
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#ifdef USE_DISPLAY_MODES1TO5
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2021-01-01 15:05:06 +00:00
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void SSD1331PrintLog(bool withDateTime) {
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2020-12-29 21:39:06 +00:00
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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 (!disp_screen_buffer_cols) { DisplayAllocScreenBuffer(); }
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char* txt = DisplayLogBuffer('\370');
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if (txt != NULL) {
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uint8_t last_row = Settings.display_rows -1;
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renderer->clearDisplay();
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renderer->setCursor(0,0);
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2021-01-01 00:37:08 +00:00
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if (withDateTime) {
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char line[17];
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snprintf_P(line, sizeof(line), PSTR("%02d" D_HOUR_MINUTE_SEPARATOR "%02d %02d" D_MONTH_DAY_SEPARATOR "%02d" D_YEAR_MONTH_SEPARATOR "%04d"), RtcTime.hour, RtcTime.minute, RtcTime.day_of_month, RtcTime.month, RtcTime.year); // [12:34 01-02-2018]
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renderer->setTextColor(SSD1331_BLUE);
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renderer->println(line);
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renderer->setTextColor(fg_color);
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last_row--;
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}
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2020-12-29 21:39:06 +00:00
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for (byte 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->println(disp_screen_buffer[i]);
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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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AddLog_P(LOG_LEVEL_DEBUG, PSTR(D_LOG_DEBUG "[%s]"), disp_screen_buffer[last_row]);
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renderer->println(disp_screen_buffer[last_row]);
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renderer->Updateframe();
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}
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}
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}
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2021-01-01 15:05:06 +00:00
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void SSD1331Time(void) {
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2020-12-29 21:39:06 +00:00
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char line[12];
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renderer->clearDisplay();
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renderer->setCursor(0, 0);
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snprintf_P(line, sizeof(line), PSTR(" %02d" D_HOUR_MINUTE_SEPARATOR "%02d" D_MINUTE_SECOND_SEPARATOR "%02d"), RtcTime.hour, RtcTime.minute, RtcTime.second); // [ 12:34:56 ]
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renderer->println(line);
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snprintf_P(line, sizeof(line), PSTR("%02d" D_MONTH_DAY_SEPARATOR "%02d" D_YEAR_MONTH_SEPARATOR "%04d"), RtcTime.day_of_month, RtcTime.month, RtcTime.year); // [01-02-2018]
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renderer->println(line);
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renderer->Updateframe();
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}
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2021-01-01 15:05:06 +00:00
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void SSD1331Refresh(void) { // Every second
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2020-12-29 21:39:06 +00:00
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if (Settings.display_mode) { // Mode 0 is User text
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switch (Settings.display_mode) {
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case 1: // Time
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SSD1331Time();
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break;
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case 2: // Local
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case 4: // Mqtt
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2021-01-01 00:37:08 +00:00
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SSD1331PrintLog(false);
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break;
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case 3: // Local + Time
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case 5: // Mqtt + Time
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SSD1331PrintLog(true);
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2020-12-29 21:39:06 +00:00
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break;
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}
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}
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}
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#endif // USE_DISPLAY_MODES1TO5
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2021-01-01 15:05:06 +00:00
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2020-12-29 21:39:06 +00:00
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/*********************************************************************************************\
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* Interface
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\*********************************************************************************************/
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2021-01-01 15:05:06 +00:00
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bool Xdsp14(uint8_t function) {
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2020-12-29 21:39:06 +00:00
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bool result = false;
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if (FUNC_DISPLAY_INIT_DRIVER == function) {
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SSD1331_InitDriver();
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}
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2021-01-01 15:05:06 +00:00
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else if (ssd1331_init_done && (XDSP_14 == Settings.display_model)) {
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2020-12-29 21:39:06 +00:00
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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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SSD1331Refresh();
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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_SSD1331
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#endif // USE_DISPLAY
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#endif // USE_SPI
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