source: trunk/platform/g1x/kbd.c @ 1810

#include "lolevel.h"
#include "platform.h"
#include "core.h"
#include "conf.h"
#include "keyboard.h"

typedef struct {
        short grp;
        short hackkey;
        long canonkey;
} KeyMap;

static long kbd_new_state[3] = { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF };
static long kbd_prev_state[3] = { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF };
static long kbd_mod_state[3] = { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF };

static long last_kbd_key = 0;

extern void _GetKbdState(long*);

#define KEYS_MASK0 (0x013FFC00)
#define KEYS_MASK1 (0x00000000)
#define KEYS_MASK2 (0x000C0000) 

#define SD_READONLY_FLAG    0x00000002 // Found @0xff464d1c, levent 0x20a
#define SD_READONLY_IDX     1

#define USB_MASK            0x10000000 // Found @0xff464d94, levent 0x202
#define USB_IDX             2

extern void usb_remote_key( int ) ;
int get_usb_bit() 
{
        long usb_physw[3];
        usb_physw[USB_IDX] = 0;
        _kbd_read_keys_r2(usb_physw);
        return(( usb_physw[USB_IDX] & USB_MASK)==USB_MASK) ; 
}

static KeyMap keymap[] = {

    { 0, KEY_DISPLAY         ,0x00000400 }, // Pretend the Metering button is the Disp button
//  { 0, KEY_METERING        ,0x00000400 },
    { 0, KEY_SET             ,0x00000800 }, // Found @0xff464ca4, levent 0x08
    { 0, KEY_RIGHT           ,0x00001000 }, // Found @0xff464cac, levent 0x07
    { 0, KEY_DOWN            ,0x00002000 }, // Found @0xff464cb4, levent 0x05
//  { 0, KEY_DISPLAY         ,0x00002000 }, 
    { 0, KEY_MENU            ,0x00004000 }, // Found @0xff464cbc, levent 0x09
    { 0, KEY_LEFT            ,0x00008000 }, // Found @0xff464cc4, levent 0x06
        { 0, KEY_ERASE               ,0x00010000 },
    { 0, KEY_AE_LOCK         ,0x00020000 },
    { 0, KEY_UP              ,0x00040000 }, // Found @0xff464cdc, levent 0x04
        { 0, KEY_VIDEO           ,0x00080000 },
    { 0, KEY_ZOOM_IN         ,0x00100000 }, // Found @0xff464cec, levent 0x02
    { 0, KEY_ZOOM_OUT        ,0x00200000 }, // Found @0xff464cf4, levent 0x03
        { 0, KEY_PRINT               ,0x01000000 },

    { 2, KEY_SHOOT_FULL      ,0x000c0000 }, // Found @0xff464d64, levent 0x01
    { 2, KEY_SHOOT_FULL_ONLY ,0x00080000 }, // Found @0xff464d64, levent 0x01
    { 2, KEY_SHOOT_HALF      ,0x00040000 }, // Found @0xff464d5c, levent 0x00

        { 0, 0, 0 } 
};


long __attribute__((naked)) wrap_kbd_p1_f() ;


static void __attribute__((noinline)) mykbd_task_proceed()
{
        while (physw_run){
                _SleepTask(*((int*)0x1c18)); //10);

                if (wrap_kbd_p1_f() == 1){ // autorepeat ?
                        _kbd_p2_f();
                }
        }
}

// no stack manipulation needed here, since we create the task directly
void __attribute__((naked,noinline))
mykbd_task()
{
    mykbd_task_proceed();

    _ExitTask();
}

long __attribute__((naked,noinline)) wrap_kbd_p1_f()
{
        asm volatile(
                "STMFD   SP!, {R1-R7,LR}\n"
                "MOV     R5, #0\n"
                //"BL      _kbd_read_keys \n"
                "BL             my_kbd_read_keys\n"
                "B       _kbd_p1_f_cont\n"
        );
        return 0; // shut up the compiler
}

// Set to 1 to disable jogdial events from being processed in firmware
volatile int jogdial_stopped=0;

// Pointer to stack location where jogdial task records previous and current
// jogdial positions
extern short* jog_position;
extern short rear_dial_position, front_dial_position;

void jogdial_control(int n)
{
    if (jogdial_stopped && !n)
    {
        // If re-enabling jogdial set the task code current & previous positions to the actual
        // dial positions so that the change won't get processed by the firmware
        jog_position[0] = jog_position[2] = rear_dial_position;   // Rear dial
        jog_position[1] = jog_position[3] = front_dial_position;  // Front dial
    }
    jogdial_stopped = n;
}

void my_kbd_read_keys()
{
        kbd_prev_state[0] = kbd_new_state[0];
        kbd_prev_state[1] = kbd_new_state[1];
        kbd_prev_state[2] = kbd_new_state[2];

        _GetKbdState(kbd_new_state);
        _kbd_read_keys_r2(kbd_new_state);

        if (kbd_process() == 0){
                // leave it alone...
          physw_status[0] = kbd_new_state[0];
          physw_status[1] = kbd_new_state[1];
          physw_status[2] = kbd_new_state[2];
          jogdial_control(0);

        } else {
                // override keys
                physw_status[0] = (kbd_new_state[0] & (~KEYS_MASK0)) | (kbd_mod_state[0] & KEYS_MASK0);
                physw_status[1] = (kbd_new_state[1] & (~KEYS_MASK1)) | (kbd_mod_state[1] & KEYS_MASK1);
                physw_status[2] = (kbd_new_state[2] & (~KEYS_MASK2)) | (kbd_mod_state[2] & KEYS_MASK2);

                if ((jogdial_stopped==0) && !state_kbd_script_run)
                {
                        jogdial_control(1);
                        get_jogdial_direction();
                }
                else if (jogdial_stopped && state_kbd_script_run) jogdial_control(0);
        }

        //_kbd_read_keys_r2(physw_status);

        usb_remote_key(physw_status[USB_IDX]) ;

    physw_status[SD_READONLY_IDX] = physw_status[SD_READONLY_IDX] & ~SD_READONLY_FLAG;
        if (conf.remote_enable) {
                physw_status[USB_IDX] = physw_status[USB_IDX] & ~USB_MASK;
        }

}


/****************/

void kbd_set_alt_mode_key_mask(long key)
{
}

void kbd_key_press(long key)
{
        int i;

        for (i=0;keymap[i].hackkey;i++){
                if (keymap[i].hackkey == key)
                {
                        kbd_mod_state[keymap[i].grp] &= ~keymap[i].canonkey;
                        return;
                }
        }
}

void kbd_key_release(long key)
{
        int i;
        for (i=0;keymap[i].hackkey;i++){
                if (keymap[i].hackkey == key){
                        kbd_mod_state[keymap[i].grp] |= keymap[i].canonkey;
                        return;
                }
        }
}

void kbd_key_release_all()
{
        kbd_mod_state[0] |= KEYS_MASK0;
        kbd_mod_state[1] |= KEYS_MASK1;
        kbd_mod_state[2] |= KEYS_MASK2;
}

long kbd_is_key_pressed(long key)
{
        int i;
        for (i=0;keymap[i].hackkey;i++){
                if (keymap[i].hackkey == key){
                        return ((kbd_new_state[keymap[i].grp] & keymap[i].canonkey) == 0) ? 1:0;
                }
        }
        return 0;
}

long kbd_is_key_clicked(long key)
{
        int i;
        for (i=0;keymap[i].hackkey;i++){
                if (keymap[i].hackkey == key){
                        return ((kbd_prev_state[keymap[i].grp] & keymap[i].canonkey) != 0) &&
                               ((kbd_new_state[keymap[i].grp] & keymap[i].canonkey) == 0);
                }
        }
        return 0;
}

long kbd_get_pressed_key()
{
        int i;
        for (i=0;keymap[i].hackkey;i++){
                if ((kbd_new_state[keymap[i].grp] & keymap[i].canonkey) == 0){
                        return keymap[i].hackkey;
                }
        }
        return 0;
}

long kbd_get_clicked_key()
{
        int i;
        for (i=0;keymap[i].hackkey;i++){
                if (((kbd_prev_state[keymap[i].grp] & keymap[i].canonkey) != 0) &&
                    ((kbd_new_state[keymap[i].grp] & keymap[i].canonkey) == 0)) {
                        return keymap[i].hackkey;
                }
        }
        return 0;
}

void kbd_reset_autoclicked_key() {
        last_kbd_key = 0;
}

long kbd_get_autoclicked_key() {
        static long last_kbd_time = 0, press_count = 0;
        register long key, t;

        key=kbd_get_clicked_key();
        if (key) {
                last_kbd_key = key;
                press_count = 0;
                last_kbd_time = get_tick_count();
                return key;
        } else {
                if (last_kbd_key && kbd_is_key_pressed(last_kbd_key)) {
                        t = get_tick_count();
                        if (t-last_kbd_time>((press_count)?175:500)) {
                                ++press_count;
                                last_kbd_time = t;
                                return last_kbd_key;
                        } else {
                                return 0;
                        }
                } else {
                        last_kbd_key = 0;
                        return 0;
                }
        }
}

long kbd_use_zoom_as_mf() {
 return 0;
}

static short new_jogdial = 0, old_jogdial = 0, new_frontdial = 0, old_frontdial = 0;

long get_jogdial_direction(void)
{
    old_jogdial = new_jogdial;
    new_jogdial = rear_dial_position;

    old_frontdial = new_frontdial;
    new_frontdial = front_dial_position;

    if      (old_jogdial < new_jogdial)     return JOGDIAL_LEFT;
    else if (old_jogdial > new_jogdial)     return JOGDIAL_RIGHT;
    else if (old_frontdial < new_frontdial) return FRONTDIAL_LEFT;
    else if (old_frontdial > new_frontdial) return FRONTDIAL_RIGHT;
    else                                    return 0;
}