embedded/board/arm/ul_usb1/libs/bspbase/kbd_io_hisc.c

   1 #include <cpu_def.h>
   2 #include "kbd.h"
   3
   4 unsigned char kbd_onerow(unsigned char scan)
   5 {
   6         kbdisr_lock_level_t level;
   7         unsigned int scan_mask=KBD_SCAN_MASK;
   8         unsigned int scan_val;
   9         unsigned int ret;
  10         int delay=10;
  11
  12         kbdisr_lock(level);
  13
  14        #ifdef KBD_USE_IO_SETCLR_OPS
  15         scan_val=(scan<<KBD_SCAN_BIT0) & scan_mask;
  16         SET_OUT_PIN(KBD_PORT,scan_mask);
  17         CLR_OUT_PIN(KBD_PORT,scan_val);
  18        #else
  19         scan_val=(~scan<<KBD_SCAN_BIT0) & scan_mask;
  20         KBD_DR|=scan_val;
  21         KBD_DR&=scan_val|~scan_mask;
  22        #endif /* KBD_USE_IO_SETCLR_OPS */
  23         kbdisr_unlock(level);
  24
  25         while(delay--)
  26                 ret=KBD_SSR;
  27         ret=KBD_SSR;
  28
  29         kbdisr_lock(level);
  30        #ifdef KBD_USE_IO_SETCLR_OPS
  31         SET_OUT_PIN(KBD_PORT,scan_mask);
  32        #else
  33         KBD_DR |= scan_mask;
  34        #endif /* KBD_USE_IO_SETCLR_OPS */
  35         kbdisr_unlock(level);
  36
  37         return (~ret>>KBD_RET_BIT0)&((1<<KBD_RET_CNT)-1);
  38 }
  39
  40 void kbd_setio(void)
  41 {
  42         kbdisr_lock_level_t level;
  43         unsigned int scan_mask=KBD_SCAN_MASK;
  44        #ifndef KBD_USE_IO_SETCLR_OPS
  45         unsigned int ret_mask=KBD_RET_MASK;
  46        #endif /* KBD_USE_IO_SETCLR_OPS */
  47
  48         kbdisr_lock(level);
  49
  50        #ifdef KBD_USE_IO_SETCLR_OPS
  51         SET_OUT_PIN(KBD_PORT,scan_mask);
  52        #else
  53         KBD_DR|=scan_mask;
  54         KBD_DDIR|=scan_mask;
  55         KBD_DDIR&=~ret_mask;
  56         KBD_PUEN|=ret_mask;
  57        #endif /* KBD_USE_IO_SETCLR_OPS */
  58
  59         kbdisr_unlock(level);
  60 }
  61
  62 const scan2key_t kbd_scan2key_hisc_keypad[]={
  63         [0x00]={0,0},
  64         [0x01]={'3',0},
  65         [0x02]={'6',0},
  66         [0x03]={'9',0},
  67         [0x04]={'\r',0},
  68         [0x05]={'A',0},
  69         [0x06]={'2',0},
  70         [0x07]={'5',0},
  71         [0x08]={'8',0},
  72         [0x09]={'0',0},
  73         [0x0a]={'B',0},
  74         [0x0b]={'1',0},
  75         [0x0c]={'4',0},
  76         [0x0d]={'7',0},
  77         [0x0e]={'*',0},
  78         [0x0f]={'C',0},
  79 };
  80
  81 const scan2mod_t kbd_scan2mod_hisc_keypad[]={
  82         {0,0,0,0}
  83 };
  84
  85 scan2key_t *kbd_scan2key_tab=(scan2key_t*)kbd_scan2key_hisc_keypad;
  86 scan2mod_t *kbd_scan2mod_tab=(scan2mod_t*)kbd_scan2mod_hisc_keypad;
  87
  88