Add support for Kobo Elipsa

Adding device ids, strings and cover details for the new Elipsa device. Firmware version is still to come, but, this will allow the device to be recognised.

src/calibre/devices/kobo/driver.py

@@ -1386,6 +1386,7 @@ class KOBOTOUCH(KOBO):
     min_fwversion_dropbox           = (4, 18, 13737)  # The Forma only at this point.
     min_fwversion_serieslist        = (4, 20, 14601)  # Series list needs the SeriesID to be set.
     min_nia_fwversion               = (4, 22, 15202)
+    min_elipsa_fwversion            = (4, 27, 16704)  # TODO: Get the correct version.
 
     has_kepubs = True
 
@@ -1412,6 +1413,7 @@ class KOBOTOUCH(KOBO):
     AURA_H2O_EDITION2_PRODUCT_ID = [0x4227]
     AURA_ONE_PRODUCT_ID = [0x4225]
     CLARA_HD_PRODUCT_ID = [0x4228]
+    ELIPSA_PRODUCT_ID   = [0x4233]
     FORMA_PRODUCT_ID    = [0x4229]
     GLO_PRODUCT_ID      = [0x4173]
     GLO_HD_PRODUCT_ID   = [0x4223]
@@ -1425,9 +1427,9 @@ class KOBOTOUCH(KOBO):
                           GLO_PRODUCT_ID + GLO_HD_PRODUCT_ID + \
                           MINI_PRODUCT_ID + TOUCH_PRODUCT_ID + TOUCH2_PRODUCT_ID + \
                           AURA_ONE_PRODUCT_ID + CLARA_HD_PRODUCT_ID + FORMA_PRODUCT_ID + LIBRA_H2O_PRODUCT_ID + \
-                          NIA_PRODUCT_ID
+                          NIA_PRODUCT_ID + ELIPSA_PRODUCT_ID
 
-    BCD = [0x0110, 0x0326, 0x401]
+    BCD = [0x0110, 0x0326, 0x401, 0x409]
 
     # Image file name endings. Made up of: image size, min_dbversion, max_dbversion, isFullSize,
     # Note: "200" has been used just as a much larger number than the current versions. It is just a lazy
@@ -1481,6 +1483,7 @@ class KOBOTOUCH(KOBO):
                           #       c.f., https://github.com/shermp/Kobo-UNCaGED/pull/17#discussion_r286209827
                           ' - N3_FULL.parsed':        [(1080,1429), 0, 200,True,],
                           }
+    # Aura ONE and Elipsa have the same resolution.
     AURA_ONE_COVER_FILE_ENDINGS = {
                           # Used for screensaver, home screen
                           ' - N3_FULL.parsed':        [(1404,1872), 0, 200,True,],
@@ -3386,6 +3389,9 @@ class KOBOTOUCH(KOBO):
     def isClaraHD(self):
         return self.detected_device.idProduct in self.CLARA_HD_PRODUCT_ID
 
+    def isElipsa(self):
+        return self.detected_device.idProduct in self.ELIPSA_PRODUCT_ID
+
     def isForma(self):
         return self.detected_device.idProduct in self.FORMA_PRODUCT_ID
 
@@ -3425,6 +3431,8 @@ class KOBOTOUCH(KOBO):
             _cover_file_endings = self.AURA_ONE_COVER_FILE_ENDINGS
         elif self.isClaraHD():
             _cover_file_endings = self.GLO_HD_COVER_FILE_ENDINGS
+        elif self.isElipsa():
+            _cover_file_endings = self.AURA_ONE_COVER_FILE_ENDINGS
         elif self.isForma():
             _cover_file_endings = self.FORMA_COVER_FILE_ENDINGS
         elif self.isGlo():
@@ -3465,6 +3473,8 @@ class KOBOTOUCH(KOBO):
             device_name = 'Kobo Aura ONE'
         elif self.isClaraHD():
             device_name = 'Kobo Clara HD'
+        elif self.isElipsa():
+            device_name = 'Kobo Elipsa'
         elif self.isForma():
             device_name = 'Kobo Forma'
         elif self.isGlo():
@@ -3663,7 +3673,15 @@ class KOBOTOUCH(KOBO):
                     ' selecting "Configure this device" and then the'
                     ' "Attempt to support newer firmware" option.'
                     ' Doing so may require you to perform a factory reset of'
-                    ' your Kobo.') + (
+                    ' your Kobo.'
+                    ) + 
+                    '\n\n' +
+                    _('Discussion of any new Kobo firmware can be found in the'
+                      ' Kobo forum at MobileRead. This is at %s.'
+                      ) % 'https://www.mobileread.com/forums/forumdisplay.php?f=223'
+                    + 
+                    '\n' +
+                    (
                     '\nDevice database version: %s.'
                     '\nDevice firmware version: %s'
                      ) % (self.dbversion, self.fwversion),