HD44780: Add a charmap which makes input in KOI8-R appear correctly on

displays using hd44780 controller with european charset.

ChangeLog

@@ -22,6 +22,7 @@ v.0.5dev (ongoing development)
  * hd44780: Exclude pin for switchable backlight from keypad scanning
  * server core: New network input buffering
  * hd44780: Extended subdriver API and performance improvement for lcd2usb
+ * hd44780: Add KOI8-R character mapping (Yura Scheglyuk)
 
 v0.5.3
  + lcdexec: notification when called program finishes

LCDd.conf

@@ -480,7 +480,7 @@ Size=20x4
 
 # Character map to to map ISO-8859-1 to the LCD's character set
 # [default: hd44780_default; legal: hd44780_default, hd44780_euro, 
-#  ea_ks0073, sed1278f_0b ]
+#  ea_ks0073, sed1278f_0b, hd44780_koi8_r ]
 CharMap=hd44780_default
 
 # If your display is slow and cannot keep up with the flow of data from

docs/lcdproc-user/drivers/hd44780.docbook

@@ -2820,6 +2820,7 @@ This can be done by specifying <option>--enable-drivers=all</option> or by inclu
       <parameter><literal>hd44780_euro</literal></parameter> |
       <parameter><literal>ea_ks0073</literal></parameter> |
       <parameter><literal>sed12780f_0b</literal></parameter> |
+      <parameter><literal>hd44780_koi8_r</literal></parameter> |
       <parameter><literal>none</literal></parameter>
     }
   </term>
@@ -2843,6 +2844,11 @@ This can be done by specifying <option>--enable-drivers=all</option> or by inclu
         <listitem><para>
           <literal>sed12780f_0b</literal> is for some SED 1278 displays.
         </para></listitem>
+        <listitem><para>
+          <literal>hd44780_koi8_r</literal> maps input from a client in
+          Russian KOI8-R to displays with a ROM mask supporting the european
+          charset (ROM code A02).
+        </para></listitem>
         <listitem><para>
           The <literal>none</literal> charmap does not translate any characters.
           It displays the characters the display controllers actually has
@@ -2851,7 +2857,7 @@ This can be done by specifying <option>--enable-drivers=all</option> or by inclu
         </para></listitem>
       </itemizedlist>
       You only need to set this parameter if you have a non-standard
-      HD44780 display.
+      HD44780 display or charmap.
 
       <tip>
         <para>

server/drivers/hd44780-charmap.h

@@ -282,6 +282,55 @@ const unsigned char SED1278F_0B_charmap[] = {
         175, 151, 163, 150, 129, 121,  32, 253
 };
 
+/*
+ * Table for HD44780 controller with ROM mask supporting
+ * the european charset (ROM code A02).
+ * 
+ * Russian KOI8-R codepage as input, comments in KOI8-R.
+ */
+const unsigned char HD44780_KOI8R_charmap[] = {
+        /* #0 */
+          0,   1,   2,   3,   4,   5,   6,   7,
+          8,   9,  10,  11,  12,  13,  14,  15,
+         16,  17,  18,  19,  20,  21,  22,  23,
+         24,  25,  26,  27,  28,  29,  30,  31,
+        /* #32 */
+         32,  33,  34,  35,  36,  37,  38,  39,
+         40,  41,  42,  43,  44,  45,  46,  47,
+         48,  49,  50,  51,  52,  53,  54,  55,
+         56,  57,  58,  59,  60,  61,  62,  63,
+        /* #64 */
+         64,  65,  66,  67,  68,  69,  70,  71,
+         72,  73,  74,  75,  76,  77,  78,  79,
+         80,  81,  82,  83,  84,  85,  86,  87,
+         88,  89,  90,  91,  92,  93,  94,  95,
+        /* #96 */
+         96,  97,  98,  99, 100, 101, 102, 103,
+        104, 105, 106, 107, 108, 109, 110, 111,
+        112, 113, 114, 115, 116, 117, 118, 119,
+        120, 121, 122, 123, 124, 125, 126, 127,
+        /* #128 */
+         45, 124,  43,  43,  43,  43,  43,  43,
+         43,  43,  43,  32,  32,  32,  32,  32,
+         32,  32,  32,  32, 183, 183,  32, 126,
+         28,  29,  32,  32, 176, 178, 183, 247,
+        /* #160 */
+         45, 124,  43, 203,  43,  43,  43,  43,       /*       ё         */
+         43,  43,  43,  43,  43,  43,  43,  43,
+         43,  43,  43, 203,  43,  43,  43,  43,       /*       Ё         */
+         43,  43,  43,  43,  43,  43,  43, 169,
+        /* #192 */
+        172,  65, 128, 137, 129,  69, 216, 146,       /* ю а б ц д е ф г */
+         88, 132, 133,  75, 134,  77,  72,  79,       /* х и й к л м н о */
+        135, 173,  80,  67,  84, 136, 130,  66,       /* п я р с т у ж в */
+         98, 142, 131, 139, 143, 140, 138, 141,       /* ь ы з ш э щ ч ъ */
+        /* #224 */
+        172,  65, 128, 137, 129,  69, 216, 146,       /* Ю А Б Ц Д Е Ф Г */
+         88, 132, 133,  75, 134,  77,  72,  79,       /* Х И Й К Л М Н О */
+        135, 173,  80,  67,  84, 136, 130,  66,       /* П Я Р С Т У Ж В */
+         98, 142, 131, 139, 143, 140, 138, 141        /* Ь Ы З Ш Э Щ Ч Ъ */
+};
+
 #define MAX_CHARMAP_NAME_LENGTH 16
 
 struct charmap {
@@ -293,6 +342,7 @@ const struct charmap available_charmaps[] = {
 	{ "none",            none_charmap         },
 	{ "hd44780_default", HD44780_charmap      },
 	{ "hd44780_euro",    HD44780_euro_charmap },
+	{ "hd44780_koi8_r",  HD44780_KOI8R_charmap},
 	{ "ea_ks0073",       EA_KS0073_charmap    },
 	{ "sed1278f_0b",     SED1278F_0B_charmap  }
 };