extend Doxygen description of input method

2008-12-21 12:34:49 +00:00
parent 4a3274442d
commit c9e3db4a8d
7 changed files with 19 additions and 13 deletions
@@ -1427,7 +1427,8 @@ MtxOrb_cursor (Driver *drvthis, int x, int y, int state)
 /**
 * Get key from the LCD/VFD.
 * \param drvthis  Pointer to driver structure.
- * \return  String representation of the key.
+ * \return         String representation of the key.
+ *                 \c NULL if nothing available / unmapped key.
 *
 * \todo Recover the code for I2C connectivity to MtxOrb
 * and don't query the LCD if it does not support keypad.