/* xdsp_07_SH1106.ino - Display Oled SH1106 support for Tasmota Copyright (C) 2019 Theo Arends and Adafruit 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_I2C #ifdef USE_DISPLAY #ifdef USE_DISPLAY_SH1106 #define OLED_RESET 4 #define SPRINT(A) char str[32];sprintf(str,"val: %d ",A);Serial.println((char*)str); extern uint8_t *buffer; #define XDSP_07 7 #define XI2C_06 6 // See I2CDEVICES.md #define OLED_ADDRESS1 0x3C // Oled 128x32 I2C address #define OLED_ADDRESS2 0x3D // Oled 128x64 I2C address #define OLED_BUFFER_COLS 40 // Max number of columns in display shadow buffer #define OLED_BUFFER_ROWS 16 // Max number of lines in display shadow buffer #define OLED_FONT_WIDTH 6 #define OLED_FONT_HEIGTH 8 #include #include #include Adafruit_SH1106 *oled1106; /*********************************************************************************************/ void SH1106InitDriver() { if (!Settings.display_model) { if (I2cDevice(OLED_ADDRESS1)) { Settings.display_address[0] = OLED_ADDRESS1; Settings.display_model = XDSP_07; } else if (I2cDevice(OLED_ADDRESS2)) { Settings.display_address[0] = OLED_ADDRESS2; Settings.display_model = XDSP_07; } } if (XDSP_07 == Settings.display_model) { if (Settings.display_width != SH1106_LCDWIDTH) { Settings.display_width = SH1106_LCDWIDTH; } if (Settings.display_height != SH1106_LCDHEIGHT) { Settings.display_height = SH1106_LCDHEIGHT; } // allocate screen buffer if (buffer) free(buffer); buffer=(unsigned char*)calloc((SH1106_LCDWIDTH * SH1106_LCDHEIGHT) / 8,1); if (!buffer) return; // init renderer oled1106 = new Adafruit_SH1106(SH1106_LCDWIDTH,SH1106_LCDHEIGHT); renderer=oled1106; renderer->Begin(SH1106_SWITCHCAPVCC, Settings.display_address[0],0); renderer->DisplayInit(DISPLAY_INIT_MODE,Settings.display_size,Settings.display_rotate,Settings.display_font); renderer->setTextColor(1,0); #ifdef SHOW_SPLASH renderer->setTextFont(0); renderer->setTextSize(2); renderer->setCursor(20,20); renderer->println(F("SH1106")); renderer->Updateframe(); renderer->DisplayOnff(1); #endif } } /*********************************************************************************************/ #ifdef USE_DISPLAY_MODES1TO5 void SH1106PrintLog(void) { disp_refresh--; if (!disp_refresh) { disp_refresh = Settings.display_refresh; if (!disp_screen_buffer_cols) { DisplayAllocScreenBuffer(); } char* txt = DisplayLogBuffer('\370'); if (txt != NULL) { uint8_t last_row = Settings.display_rows -1; renderer->clearDisplay(); renderer->setTextSize(Settings.display_size); renderer->setCursor(0,0); for (byte i = 0; i < last_row; i++) { strlcpy(disp_screen_buffer[i], disp_screen_buffer[i +1], disp_screen_buffer_cols); renderer->println(disp_screen_buffer[i]); } strlcpy(disp_screen_buffer[last_row], txt, disp_screen_buffer_cols); DisplayFillScreen(last_row); snprintf_P(log_data, sizeof(log_data), PSTR(D_LOG_DEBUG "[%s]"), disp_screen_buffer[last_row]); AddLog(LOG_LEVEL_DEBUG); renderer->println(disp_screen_buffer[last_row]); renderer->Updateframe(); } } } void SH1106Time(void) { char line[12]; renderer->clearDisplay(); renderer->setTextSize(Settings.display_size); renderer->setTextFont(Settings.display_font); renderer->setCursor(0, 0); 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 ] renderer->println(line); 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] renderer->println(line); renderer->Updateframe(); } void SH1106Refresh(void) // Every second { if (!renderer) return; if (Settings.display_mode) { // Mode 0 is User text switch (Settings.display_mode) { case 1: // Time SH1106Time(); break; case 2: // Local case 3: // Local case 4: // Mqtt case 5: // Mqtt SH1106PrintLog(); break; } } } #endif // USE_DISPLAY_MODES1TO5 /*********************************************************************************************\ * Interface \*********************************************************************************************/ bool Xdsp07(uint8_t function) { if (!XI2cEnabled(XI2C_06)) { return false; } bool result = false; if (i2c_flg) { if (FUNC_DISPLAY_INIT_DRIVER == function) { SH1106InitDriver(); } else if (XDSP_07 == Settings.display_model) { switch (function) { case FUNC_DISPLAY_MODEL: result = true; break; #ifdef USE_DISPLAY_MODES1TO5 case FUNC_DISPLAY_EVERY_SECOND: SH1106Refresh(); break; #endif // USE_DISPLAY_MODES1TO5 } } } return result; } #endif // USE_DISPLAY_SH1106 #endif // USE_DISPLAY #endif // USE_I2C