platform/g9/kbd.c

/* [<][>][^][v][top][bottom][index][help] */
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 _GetKbdState(long *dst);
  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         { 1, KEY_UP                     , 0x00100000 }, // g7
  29         { 1, KEY_DOWN           , 0x00080000 }, // g7
  30         { 1, KEY_LEFT           , 0x00010000 }, // g7
  31         { 1, KEY_RIGHT          , 0x00040000 }, // g7
  32         { 1, KEY_SET            , 0x00020000 }, // g7
  33         { 0, KEY_SHOOT_FULL     , 0xC0000000 }, // g7
  34     { 0, KEY_SHOOT_FULL_ONLY, 0x80000000 },
  35         { 0, KEY_SHOOT_HALF     , 0x40000000 }, // g7
  36         { 1, KEY_ZOOM_IN        , 0x00000010 }, // g7
  37         { 1, KEY_ZOOM_OUT       , 0x00000008 }, // g7
  38         { 1, KEY_MENU           , 0x08000000 }, // g7
  39         { 1, KEY_DISPLAY        , 0x04000000 }, // g7
  40         { 1, KEY_PRINT          , 0x00001000 }, // g7
  41         { 1, KEY_ERASE          , 0x01000000 }, // g7
  42         { 1, KEY_EXPO_CORR  , 0x02000000 }, // g7
  43         { 1, KEY_MICROPHONE , 0x10000000 }, // g7
  44 //      { 0, KEY_PLAY       , 0x00020000 }, // g9
  45 //        { 1, KEY_DUMMY        , 0x00000000 },//
  46         { 0, 0, 0 }
  47 };
  48 
  49 long __attribute__((naked)) wrap_kbd_p1_f() ;
  50 
  51 static void __attribute__((noinline)) mykbd_task_proceed()
  52 {
  53     while (physw_run){ 
  54         _SleepTask(10);
  55 
  56         if (wrap_kbd_p1_f() == 1){ // autorepeat ?
  57             _kbd_p2_f();
  58         }
  59     }
  60 }
  61 
  62 void __attribute__((naked,noinline)) mykbd_task()
  63 {
  64     /* WARNING
  65      * Stack pointer manipulation performed here!
  66      * This means (but not limited to):
  67      *  function arguments destroyed;
  68      *  function CAN NOT return properly;
  69      *  MUST NOT call or use stack variables before stack
  70      *  is setup properly;
  71      *
  72      */
  73 
  74     register int i;
  75     register long *newstack;
  76 
  77     newstack = (void*)kbd_stack;
  78 
  79     for (i=0;i<NEW_SS/4;i++)
  80         newstack[i]=0xdededede;
  81 
  82     asm volatile (
  83         "MOV    SP, %0"
  84         :: "r"(((char*)newstack)+NEW_SS)
  85         : "memory"
  86     );
  87         
  88     mykbd_task_proceed();
  89 
  90     /* function can be modified to restore SP here...
  91      */
  92 
  93     _ExitTask();
  94 }
  95 
  96 
  97 long __attribute__((naked,noinline)) wrap_kbd_p1_f()
  98 {
  99 
 100     asm volatile(
 101                 "STMFD   SP!, {R1-R5,LR}\n"
 102                 "MOV     R4, #0\n"
 103                 "BL      my_kbd_read_keys\n"
 104                 "B       _kbd_p1_f_cont\n"              
 105     );
 106     return 0; // shut up the compiler
 107 }
 108 
 109 
 110 int jogdial_stopped=0;
 111 
 112 void my_kbd_read_keys()
 113 {  
 114     kbd_update_key_state();
 115     kbd_update_physw_bits();
 116 }
 117 
 118 void kbd_fetch_data(long *dst)
 119 {
 120     _GetKbdState(dst);
 121     _kbd_read_keys_r2(dst);
 122 }
 123 
 124 
 125 void jogdial_control(int n) {
 126     // this camera did not have jog_position defined
 127     /*
 128     if (jogdial_stopped && !n) {
 129         // If re-enabling jogdial set the task code current & previous positions to the actual
 130         // dial positions so that the change won't get processed by the firmware
 131         jog_position[0] = jog_position[2] = rear_dial_position;   // Rear dial
 132     }
 133     */
 134     jogdial_stopped = n;
 135 }
 136 
 137 static int new_jogdial=0, old_jogdial=0;
 138 
 139 int Get_JogDial(void){
 140  return (*(int*)0xC0220304)>>16;
 141 }
 142 
 143 long get_jogdial_direction(void)
 144 {
 145     old_jogdial = new_jogdial;
 146     new_jogdial=Get_JogDial();
 147 
 148     if      (old_jogdial > new_jogdial)     return JOGDIAL_RIGHT;
 149     else if (old_jogdial < new_jogdial)     return JOGDIAL_LEFT;
 150     else                                    return 0;
 151 }
/* [<][>][^][v][top][bottom][index][help] */
root/platform/g9/kbd.c

DEFINITIONS
