platform/sx150is/kbd.c

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This source file includes following definitions.
get_usb_bit
mykbd_task
wrap_kbd_p1_f
my_kbd_read_keys
kbd_fetch_data
jogdial_control
Get_JogDial
get_jogdial_direction
   1 #include "lolevel.h"
   2 #include "platform.h"
   3 #include "keyboard.h"
   4 #include "kbd_common.h"
   5 
   6 long kbd_new_state[3] = { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF };
   7 long kbd_prev_state[3] = { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF };
   8 long kbd_mod_state[3] = { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF };
   9 
  10 KeyMap keymap[] = {
  11         // Order IS important. kbd_get_pressed_key will walk down this table  
  12         // and take the first matching mask. Notice that KEY_SHOOT_HALF is  
  13         // always pressed if KEY_SHOOT_FULL is. --MarcusSt
  14     { 2, KEY_VIDEO     , 0x00000010 },
  15     { 2, KEY_PRINT     , 0x00000040 }, // playback
  16     { 2, KEY_PLAYBACK  , 0x00000040 }, // alias so script can use it TODO not clear if wee need PRINT version
  17         { 2, KEY_UP        , 0x00000100 },
  18         { 2, KEY_DOWN      , 0x00000200 },
  19         { 2, KEY_RIGHT     , 0x00000400 },
  20         { 2, KEY_LEFT      , 0x00000800 },
  21         { 2, KEY_SET       , 0x00001000 },
  22         { 2, KEY_MENU      , 0x00002000 },
  23         { 2, KEY_DISPLAY   , 0x00004000 },
  24         { 2, KEY_ERASE     , 0x00008000 },
  25         { 1, KEY_ZOOM_IN   , 0x00004000 },
  26         { 1, KEY_ZOOM_OUT  , 0x00008000 },
  27         { 1, KEY_SHOOT_FULL, 0x00003000 },
  28     { 1, KEY_SHOOT_FULL_ONLY, 0x00002000 },
  29         { 1, KEY_SHOOT_HALF, 0x00001000 },
  30         { 0, 0, 0 }
  31 };
  32 
  33 
  34 int jogdial_stopped=0;
  35 
  36 int get_usb_bit() 
  37 {
  38         long usb_physw[3];
  39         usb_physw[USB_IDX] = 0;
  40         _kbd_read_keys_r2(usb_physw);
  41         return(( usb_physw[USB_IDX] & USB_MASK)==USB_MASK) ; 
  42 }
  43 
  44 extern void _GetKbdState(long* buffer);
  45 
  46 long __attribute__((naked)) wrap_kbd_p1_f();
  47 
  48 void __attribute__((noinline))
  49 mykbd_task(long ua, long ub, long uc, long ud, long ue, long uf)
  50 {
  51     (void)ua; (void)ub; (void)uc; (void)ud; (void)ue; (void)uf;
  52         
  53         /* Initialize our own kbd_new_state[] array with the
  54            current physical status.
  55            */
  56         kbd_new_state[0] = physw_status[0];
  57         kbd_new_state[1] = physw_status[1];
  58         kbd_new_state[2] = physw_status[2];
  59 
  60         while (physw_run){
  61                 _SleepTask(10);
  62                 
  63                 if (wrap_kbd_p1_f() == 1){ // autorepeat ?
  64                         _kbd_p2_f();
  65                 }
  66     }
  67     /* function can be modified to restore SP here...
  68      */
  69     _ExitTask();
  70 
  71 }
  72 
  73 long __attribute__((naked,noinline)) wrap_kbd_p1_f()
  74 {
  75         // Modified to reflect sx150 code @FF8345D0
  76     asm volatile(
  77                 "STMFD   SP!, {R1-R7,LR}\n"
  78                 "MOV     R5, #0\n"
  79                 "BL      my_kbd_read_keys\n"
  80                 "B       _kbd_p1_f_cont\n"
  81     );
  82 
  83  return 0; // shut up the compiler
  84 }
  85 
  86 
  87 void my_kbd_read_keys()
  88 {
  89     kbd_update_key_state();
  90 
  91     _kbd_read_keys_r2(physw_status);
  92 
  93     kbd_update_physw_bits();
  94 }
  95 
  96 void kbd_fetch_data(long *dst)
  97 {
  98     _GetKbdState(dst);
  99 }
 100 
 101 
 102 void jogdial_control(int n) {
 103     // this camera did not have jog_position defined
 104     /*
 105     if (jogdial_stopped && !n) {
 106         // If re-enabling jogdial set the task code current & previous positions to the actual
 107         // dial positions so that the change won't get processed by the firmware
 108         jog_position[0] = jog_position[2] = rear_dial_position;   // Rear dial
 109     }
 110     */
 111     jogdial_stopped = n;
 112 }
 113 
 114 int Get_JogDial(void) {
 115  return (*(int*)0xC0240104)>>16;
 116 }
 117 
 118 
 119 long get_jogdial_direction(void) {
 120         static int new_jogdial = 0;
 121         int old_jogdial = 0;
 122 
 123         old_jogdial = new_jogdial;
 124         new_jogdial = Get_JogDial();
 125 
 126         if (old_jogdial < new_jogdial)
 127                 return JOGDIAL_LEFT;
 128         else if (old_jogdial > new_jogdial)
 129                 return JOGDIAL_RIGHT;
 130         else
 131                 return 0;
 132 }
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root/platform/sx150is/kbd.c

DEFINITIONS
