platform/sx1/kbd.c

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This source file includes following definitions.
get_usb_bit
mykbd_task_proceed
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 extern void _platformsub_kbd_fetch_data(long*);
  11 
  12 #define NEW_SS (0x2000)
  13 
  14 int get_usb_bit() 
  15 {
  16         long usb_physw[3];
  17         usb_physw[USB_IDX] = 0;
  18         _kbd_read_keys_r2(usb_physw);
  19         return(( usb_physw[USB_IDX] & USB_MASK)==USB_MASK) ; 
  20 }
  21 
  22 static char kbd_stack[NEW_SS];
  23 
  24 KeyMap keymap[] = {
  25 /* tiny bug: key order matters. see kbd_get_pressed_key()
  26  * for example
  27  */
  28 
  29     { 0, KEY_SHOOT_FULL , 0x00000003 },
  30     { 0, KEY_SHOOT_FULL_ONLY, 0x00000002 },
  31     { 0, KEY_SHOOT_HALF , 0x00000001 },
  32 
  33     { 1, KEY_UP         , 0x00000400 },
  34     { 1, KEY_DOWN               , 0x00000800 },
  35     { 1, KEY_LEFT               , 0x00002000 },
  36     { 1, KEY_RIGHT              , 0x00001000 },
  37     { 1, KEY_SET                , 0x00000100 },
  38     { 1, KEY_ZOOM_IN    , 0x00008000 },
  39     { 1, KEY_ZOOM_OUT   , 0x00040000 },
  40     { 1, KEY_MENU               , 0x00004000 },
  41     { 1, KEY_DISPLAY    , 0x00000200 },
  42     { 1, KEY_PRINT              , 0x00800000 },
  43     { 1, KEY_ERASE              , 0x00000080 },
  44     { 1, KEY_EXPO_CORR      , 0x00000040 },
  45     { 1, KEY_FLASH          , 0x00100000 },
  46     { 1, KEY_VIDEO          , 0x00000020 },
  47     { 0, 0, 0 }
  48 };
  49 
  50 
  51 long __attribute__((naked)) wrap_kbd_p1_f();
  52 
  53 
  54 static void __attribute__((noinline)) mykbd_task_proceed()
  55 {
  56         while (physw_run){
  57                 _SleepTask(10);
  58                 
  59                 if (wrap_kbd_p1_f() == 1){ // autorepeat ?
  60                         _kbd_p2_f();
  61                 }
  62         }
  63 }
  64 
  65 void __attribute__((naked,noinline)) mykbd_task()
  66 {
  67     /* WARNING
  68      * Stack pointer manipulation performed here!
  69      * This means (but not limited to):
  70      *  function arguments destroyed;
  71      *  function CAN NOT return properly;
  72      *  MUST NOT call or use stack variables before stack
  73      *  is setup properly;
  74      *
  75      */
  76 
  77         register int i;
  78         register long *newstack;
  79 
  80         newstack = (void*)kbd_stack;
  81 
  82         for (i=0;i<NEW_SS/4;i++)
  83                 newstack[i]=0xdededede;
  84 
  85         asm volatile (
  86                 "MOV    SP, %0"
  87                 :: "r"(((char*)newstack)+NEW_SS)
  88                 : "memory"
  89         );
  90 
  91         mykbd_task_proceed();
  92 
  93         /* function can be modified to restore SP here...
  94          */
  95 
  96         _ExitTask();
  97 }
  98 
  99 
 100 long __attribute__((naked,noinline)) wrap_kbd_p1_f()
 101 {
 102 
 103         asm volatile(
 104                 "STMFD   SP!, {R1-R5,LR}\n"
 105                 "MOV     R4, #0\n"
 106                 "BL      my_kbd_read_keys\n"
 107                 "B       _kbd_p1_f_cont\n"
 108         );
 109         return 0; // shut up the compiler
 110 }
 111 
 112 int jogdial_stopped=0;
 113 
 114 void my_kbd_read_keys()
 115 {
 116     kbd_update_key_state();
 117 
 118     _kbd_read_keys_r2(physw_status);
 119 
 120     kbd_update_physw_bits();
 121 }
 122 void kbd_fetch_data(long *dst)
 123 {
 124     _platformsub_kbd_fetch_data(dst);
 125 }
 126 
 127 
 128 void jogdial_control(int n) {
 129     // this camera did not have jog_position defined
 130     /*
 131     if (jogdial_stopped && !n) {
 132         // If re-enabling jogdial set the task code current & previous positions to the actual
 133         // dial positions so that the change won't get processed by the firmware
 134         jog_position[0] = jog_position[2] = rear_dial_position;   // Rear dial
 135     }
 136     */
 137     jogdial_stopped = n;
 138 }
 139 
 140 static int new_jogdial=0, old_jogdial=0;
 141 
 142 int Get_JogDial(void){
 143  return (*(int*)0xC0240104)>>16;
 144 }
 145 
 146 long get_jogdial_direction(void) { 
 147  old_jogdial=new_jogdial;
 148  new_jogdial=Get_JogDial();
 149  if (old_jogdial<new_jogdial) return JOGDIAL_LEFT; 
 150  else if (old_jogdial>new_jogdial) return JOGDIAL_RIGHT;
 151  else return 0;
 152 }
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root/platform/sx1/kbd.c

DEFINITIONS
