C++ (Cpp) lcd_detected Examples

Example #1

File: M0_M1.cpp Project: aon3d/Marlin

/**
 * M0: Unconditional stop - Wait for user button press on LCD
 * M1: Conditional stop   - Wait for user button press on LCD
 */
void GcodeSuite::M0_M1() {
  const char * const args = parser.string_arg;

  millis_t ms = 0;
  bool hasP = false, hasS = false;
  if (parser.seenval('P')) {
    ms = parser.value_millis(); // milliseconds to wait
    hasP = ms > 0;
  }
  if (parser.seenval('S')) {
    ms = parser.value_millis_from_seconds(); // seconds to wait
    hasS = ms > 0;
  }

  #if ENABLED(ULTIPANEL)

    if (!hasP && !hasS && args && *args)
      lcd_setstatus(args, true);
    else {
      LCD_MESSAGEPGM(MSG_USERWAIT);
      #if ENABLED(LCD_PROGRESS_BAR) && PROGRESS_MSG_EXPIRE > 0
        dontExpireStatus();
      #endif
    }

  #else

    if (!hasP && !hasS && args && *args) {
      SERIAL_ECHO_START();
      SERIAL_ECHOLN(args);
    }

  #endif

  KEEPALIVE_STATE(PAUSED_FOR_USER);
  wait_for_user = true;

  stepper.synchronize();
  refresh_cmd_timeout();

  if (ms > 0) {
    ms += previous_cmd_ms;  // wait until this time for a click
    while (PENDING(millis(), ms) && wait_for_user) idle();
  }
  else {
    #if ENABLED(ULTIPANEL)
      if (lcd_detected()) {
        while (wait_for_user) idle();
        IS_SD_PRINTING ? LCD_MESSAGEPGM(MSG_RESUMING) : LCD_MESSAGEPGM(WELCOME_MSG);
      }
    #else
      while (wait_for_user) idle();
    #endif
  }

  wait_for_user = false;
  KEEPALIVE_STATE(IN_HANDLER);
}

Example #2

File: ultralcd.cpp Project: ManyeonJung/Megamaker

void lcd_update()
{
    static unsigned long timeoutToStatus = 0;

    #ifdef LCD_HAS_SLOW_BUTTONS
    slow_buttons = lcd_implementation_read_slow_buttons(); // buttons which take too long to read in interrupt context
    #endif

    lcd_buttons_update();

    #if (SDCARDDETECT > 0)
    if((IS_SD_INSERTED != lcd_oldcardstatus && lcd_detected()))
    {
        lcdDrawUpdate = 2;
        lcd_oldcardstatus = IS_SD_INSERTED;
        lcd_implementation_init(); // to maybe revive the LCD if static electricity killed it.

        if(lcd_oldcardstatus)
        {
            card.initsd();
            LCD_MESSAGEPGM(MSG_SD_INSERTED);
        }
        else
        {
            card.release();
            LCD_MESSAGEPGM(MSG_SD_REMOVED);
        }
    }
    #endif//CARDINSERTED

    if (lcd_next_update_millis < millis())
    {
#ifdef ULTIPANEL
		#ifdef REPRAPWORLD_KEYPAD
        	if (REPRAPWORLD_KEYPAD_MOVE_Z_UP) {
        		reprapworld_keypad_move_z_up();
        	}
        	if (REPRAPWORLD_KEYPAD_MOVE_Z_DOWN) {
        		reprapworld_keypad_move_z_down();
        	}
        	if (REPRAPWORLD_KEYPAD_MOVE_X_LEFT) {
        		reprapworld_keypad_move_x_left();
        	}
        	if (REPRAPWORLD_KEYPAD_MOVE_X_RIGHT) {
        		reprapworld_keypad_move_x_right();
        	}
        	if (REPRAPWORLD_KEYPAD_MOVE_Y_DOWN) {
        		reprapworld_keypad_move_y_down();
        	}
        	if (REPRAPWORLD_KEYPAD_MOVE_Y_UP) {
        		reprapworld_keypad_move_y_up();
        	}
        	if (REPRAPWORLD_KEYPAD_MOVE_HOME) {
        		reprapworld_keypad_move_home();
        	}
		#endif
        if (abs(encoderDiff) >= ENCODER_PULSES_PER_STEP)
        {
            lcdDrawUpdate = 1;
            encoderPosition += encoderDiff / ENCODER_PULSES_PER_STEP;
            encoderDiff = 0;
            timeoutToStatus = millis() + LCD_TIMEOUT_TO_STATUS;
        }
        if (LCD_CLICKED)
            timeoutToStatus = millis() + LCD_TIMEOUT_TO_STATUS;
#endif//ULTIPANEL

#ifdef DOGLCD        // Changes due to different driver architecture of the DOGM display
        blink++;     // Variable for fan animation and alive dot
        u8g.firstPage();
        do
        {
            u8g.setFont(u8g_font_6x10_marlin);
            u8g.setPrintPos(125,0);
            if (blink % 2) u8g.setColorIndex(1); else u8g.setColorIndex(0); // Set color for the alive dot
            u8g.drawPixel(127,63); // draw alive dot
            u8g.setColorIndex(1); // black on white
            (*currentMenu)();
            if (!lcdDrawUpdate)  break; // Terminate display update, when nothing new to draw. This must be done before the last dogm.next()
        } while( u8g.nextPage() );
#else
        (*currentMenu)();
#endif

#ifdef LCD_HAS_STATUS_INDICATORS
        lcd_implementation_update_indicators();
#endif

#ifdef ULTIPANEL
        if(timeoutToStatus < millis() && currentMenu != lcd_status_screen)
        {
            lcd_return_to_status();
            lcdDrawUpdate = 2;
        }
#endif//ULTIPANEL
        if (lcdDrawUpdate == 2)
            lcd_implementation_clear();
        if (lcdDrawUpdate)
            lcdDrawUpdate--;
        lcd_next_update_millis = millis() + LCD_UPDATE_INTERVAL;
    }
}