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519 mauro 1
/*
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 * Project: S.Ha.R.K.
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 *
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 * Coordinators:
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 *   Giorgio Buttazzo    <giorgio@sssup.it>
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 *   Paolo Gai           <pj@gandalf.sssup.it>
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 *
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 * Authors     :
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 *   Paolo Gai           <pj@gandalf.sssup.it>
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 *   Massimiliano Giorgi <massy@gandalf.sssup.it>
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 *   Luca Abeni          <luca@gandalf.sssup.it>
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 *   Mauro Marinoni      <mauro.marinoni@unipv.it>
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 *   (see the web pages for full authors list)
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 *
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 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
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 *
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 * http://www.sssup.it
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 * http://retis.sssup.it
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 * http://shark.sssup.it
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 */
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#ifndef __KEYB_H__
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#define __KEYB_H__
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#include <kernel/const.h>
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#include <kernel/model.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "keycode.h"
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typedef struct {
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        BYTE useAltGr;
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        char keyMap     [TABLE_KEY_SIZE];
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        char keyShiftMap[TABLE_KEY_SIZE];
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        char keyAltGrMap[TABLE_KEY_SIZE];
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} KEYB_MAP;
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extern KEYB_MAP keyMaps[];
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#define KEYMAP_US       0
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#define KEYMAP_IT       1
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/* Key Status */
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#define KEY_RELEASED    1
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#define KEY_PRESSED     2
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#define KEY_REPEATED    4
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/* Ascii Codes */
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#define BACKSPACE       0x08
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#define ENTER           0x0d
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#define DELETE          0x18
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#define ESC             0x1b
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#define TAB             0x09
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/* Flag Codes */
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#define ALTR_BIT        0x01
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#define ALTL_BIT        0x02
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#define CNTR_BIT        0x04
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#define CNTL_BIT        0x08
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#define SHFL_BIT        0x10
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#define SHFR_BIT        0x20
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#define SCAN_BIT        0x40
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typedef struct {
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        BYTE ascii;
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        BYTE scan;
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        BYTE flag;
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        BYTE status;
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} KEY_EVT;
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#define isReleased(k)   ( ((k)->status & KEY_RELEASED) != 0 )
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#define isPressed(k)    ( ((k)->status & KEY_PRESSED) != 0 )
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#define isRepeated(k)   ( ((k)->status & KEY_REPEATED) != 0 )
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#define isScanCode(k)   ((k)->flag & SCAN_BIT)
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#define isLeftShift(k)  ((k)->flag & SHFL_BIT)
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#define isRightShift(k) ((k)->flag & SHFR_BIT)
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#define isLeftCtrl(k)   ((k)->flag & CNTL_BIT)
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#define isRightCtrl(k)  ((k)->flag & CNTR_BIT)
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#define isLeftAlt(k)    ((k)->flag & ALTL_BIT)
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#define isRightAlt(k)   ((k)->flag & ALTR_BIT)
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#define keyb_getchar()  keyb_getch(BLOCK)
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/*
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 * keyboard initialization
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 */
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/* the KEYB_PARMS structure used by KEYB26_init() */
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typedef struct keyb_parms {
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        TASK_MODEL *tm;
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        unsigned char keymap;
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        void  (*ctrlcfunc)(KEY_EVT *k);
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} KEYB_PARMS;
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#define KEYB_DEFAULT ((unsigned long)(-1))   /*+ used for default params +*/
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#define BASE_KEYB       {(TASK_MODEL *)KEYB_DEFAULT, \
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                         (unsigned char)KEYB_DEFAULT, \
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                         (void *)KEYB_DEFAULT}
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#define keyb_default_parm(m)    (m).tm = (TASK_MODEL *) KEYB_DEFAULT, \
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                                (m).keymap = (unsigned char) KEYB_DEFAULT,  \
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                                (m).ctrlcfunc = (void *) KEYB_DEFAULT
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#define keyb_def_map(s,m)       (s).keymap = (m)
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#define keyb_def_ctrlC(s,f)     (s).ctrlcfunc = (f)
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#define keyb_def_task(s,m)      (s).tm = (TASK_MODEL *)(m)
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int  KEYB26_installed(void);
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int  KEYB26_init(KEYB_PARMS *s);
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int  KEYB26_close(void);
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BYTE keyb_getch(BYTE wait);
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int  keyb_getcode(KEY_EVT *k, BYTE wait);
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void keyb_hook(KEY_EVT k, void (*f)(KEY_EVT *k), unsigned char l);
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void keyb_enable(void);
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void keyb_disable(void);
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int  keyb_set_map(unsigned char m);
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int  keyb_get_map(void);
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#ifdef __cplusplus
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};
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#endif
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#endif