/*
 *  5D2 2.1.2 consts
 */

#define CANON_SHUTTER_RATING 150000

#define CARD_LED_ADDRESS 0xC02200BC // http://magiclantern.wikia.com/wiki/Led_addresses
#define LEDON 0x46
#define LEDOFF 0x44

// thanks Indy
#define HIJACK_INSTR_BL_CSTART  0xFF812AE8
#define HIJACK_INSTR_BSS_END 0xFF81093C
#define HIJACK_FIXBR_BZERO32 0xFF8108A4
#define HIJACK_FIXBR_CREATE_ITASK 0xFF81092C
#define HIJACK_INSTR_MY_ITASK 0xFF810948
#define HIJACK_TASK_ADDR 0x1A24

#define ARMLIB_OVERFLOWING_BUFFER 0x21c94 // in AJ_armlib_setup_related3

#define DRYOS_ASSERT_HANDLER 0x19c8 // dec TH_assert or assert_0

// 720x480, changes when external monitor is connected
#define YUV422_LV_BUFFER_1 0x41B07800
#define YUV422_LV_BUFFER_2 0x5C007800
#define YUV422_LV_BUFFER_3 0x5F607800

// http://magiclantern.wikia.com/wiki/VRAM_ADDR_from_code
// stateobj_disp[1]
//~ #define YUV422_LV_BUFFER_DMA_ADDR (*(uint32_t*)(0x27E0+something))

#define REG_EDMAC_WRITE_LV_ADDR 0xc0f26208 // SDRAM address of LV buffer (aka VRAM)
#define REG_EDMAC_WRITE_HD_ADDR 0xc0f04008 // SDRAM address of HD buffer (aka YUV)

#define YUV422_LV_BUFFER_DISPLAY_ADDR (*(uint32_t*)0x2900) // from AJ 5.9
#define YUV422_HD_BUFFER_DMA_ADDR (shamem_read(REG_EDMAC_WRITE_HD_ADDR))

// http://magiclantern.wikia.com/wiki/ASM_Zedbra
#define YUV422_HD_BUFFER_1 0x44000080
#define YUV422_HD_BUFFER_2 0x4C000080
#define YUV422_HD_BUFFER_3 0x50000080

// see "focusinfo" and Wiki:Struct_Guessing
#define FOCUS_CONFIRMATION (*(int*)0x3C54)

// used for Trap Focus 
// To find it, go to MainCtrl task and take the number from the second line minus 4.
// See also "cam event metering"
#define HALFSHUTTER_PRESSED (*(int*)0x1c10)



#define LV_BOTTOM_BAR_DISPLAYED (((*(int*)0x79B8) == 0xF))
#define ISO_ADJUSTMENT_ACTIVE ((*(int*)0x79B8) == 0xF) // dec ptpNotifyOlcInfoChanged and look for: if arg1 == 1: MEM(0x79B8) = *(arg2)

// from a screenshot
#define COLOR_FG_NONLV 1

#define MVR_516_STRUCT (*(void**)0x1ef0) // look in MVR_Initialize for AllocateMemory call; decompile it and see where ret_AllocateMemory is stored.

#define div_maybe(a,b) ((a)/(b))

// see mvrGetBufferUsage, which is not really safe to call => err70
// macros copied from arm-console
#define MVR_BUFFER_USAGE_FRAME ABS(div_maybe(-100*MEM(256 + MVR_516_STRUCT) - 100*MEM(264 + MVR_516_STRUCT) - 100*MEM(488 + MVR_516_STRUCT) - 100*MEM(496 + MVR_516_STRUCT) + 100*MEM(260 + MVR_516_STRUCT) + 100*MEM(268 + MVR_516_STRUCT), -MEM(256 + MVR_516_STRUCT) - MEM(264 + MVR_516_STRUCT) + MEM(260 + MVR_516_STRUCT) + MEM(268 + MVR_516_STRUCT)))
#define MVR_BUFFER_USAGE_SOUND div_maybe(-100*MEM(436 + MVR_516_STRUCT) + 100*MEM(424 + MVR_516_STRUCT), 0xa)
#define MVR_BUFFER_USAGE MAX(MVR_BUFFER_USAGE_FRAME, MVR_BUFFER_USAGE_SOUND)

#define MVR_FRAME_NUMBER  (*(int*)(0xEC + MVR_516_STRUCT)) // in mvrExpStarted
#define MVR_BYTES_WRITTEN MEM((0xE4 + MVR_516_STRUCT)) // in mvrSMEncodeDone

#define MOV_RES_AND_FPS_COMBINATIONS 5
#define MOV_OPT_NUM_PARAMS 2
#define MOV_GOP_OPT_NUM_PARAMS 5
#define MOV_OPT_STEP 5
#define MOV_GOP_OPT_STEP 5

#define AE_STATE (*(int8_t*)(0x13008 + 0x1C))
#define AE_VALUE (*(int8_t*)(0x13008 + 0x1D))

#define CURRENT_DIALOG_MAYBE (*(int*)0x37F0)

#define DLG_PLAY 1
#define DLG_MENU 2

// not sure
#define DLG_FOCUS_MODE 9
#define DLG_DRIVE_MODE 8
#define DLG_PICTURE_STYLE 4
#define DLG_Q_UNAVI 0x18
#define DLG_FLASH_AE 0x22
#define DLG_PICQ 6

int get_lv_stopped_by_user();

#define _MOVIE_MODE_NON_LIVEVIEW (!lv && !lv_paused && !get_lv_stopped_by_user() && gui_state == GUISTATE_IDLE && lv_movie_select == LVMS_ENABLE_MOVIE && lens_info.job_state == 0 && !HALFSHUTTER_PRESSED)
#define DLG_MOVIE_ENSURE_A_LENS_IS_ATTACHED  (_MOVIE_MODE_NON_LIVEVIEW && !lens_info.name[0])
#define DLG_MOVIE_PRESS_LV_TO_RESUME (_MOVIE_MODE_NON_LIVEVIEW && lens_info.name[0])



#define PLAY_MODE (gui_state == GUISTATE_PLAYMENU && CURRENT_DIALOG_MAYBE == DLG_PLAY)
#define MENU_MODE (gui_state == GUISTATE_PLAYMENU && CURRENT_DIALOG_MAYBE == DLG_MENU)

#define AUDIO_MONITORING_HEADPHONES_CONNECTED (!((*(int*)0xc0220070) & 1))
#define HOTPLUG_VIDEO_OUT_PROP_DELIVER_ADDR 0x1aac // this prop_deliver performs the action for Video Connect and Video Disconnect
#define HOTPLUG_VIDEO_OUT_STATUS_ADDR 0x1ad4 // passed as 2nd arg to prop_deliver; 1 = display connected, 0 = not, other values disable this event (trick)

// trial and error
// choose a gui mode which lets you:
// * use the wheel and all other keys for menu navigation
// * optional: send PRESS SET and UNPRESS SET events (if it doesn't, add an exception under EVENT_1)
// * see LiveView image under menu
// * go back safely to mode 0 (idle) without side effects (check display, Q menu, keys etc)
// * does not interfere with recording
//~ #define GUIMODE_ML_MENU guimode_ml_menu
#define GUIMODE_ML_MENU (RECORDING ? 0 : lv ? 38 : 2)
// outside LiveView, Canon menu is a good choice

// for ISO
#define ISO_RANGE_POS_X 450
#define ISO_RANGE_POS_Y 90

// for displaying battery
#define DISPLAY_BATTERY_POS_X 185
#define DISPLAY_BATTERY_POS_Y 404

// for displaying TRAP FOCUS msg outside LV
#define DISPLAY_TRAP_FOCUS_POS_X 500
#define DISPLAY_TRAP_FOCUS_POS_Y 320
#define DISPLAY_TRAP_FOCUS_MSG       "TRAP \nFOCUS"
#define DISPLAY_TRAP_FOCUS_MSG_BLANK "     \n     "

#define NUM_PICSTYLES 9


#define FLASH_MAX_EV 3
#define FLASH_MIN_EV -10 // not sure if it actually works
#define FASTEST_SHUTTER_SPEED_RAW 160
#define MAX_AE_EV 2


#define DIALOG_MnCardFormatBegin (0x219EC) // ret_CreateDialogBox(...DlgMnCardFormatBegin_handler...) is stored there
#define DIALOG_MnCardFormatExecute (0x21B0C) // similar
#define FORMAT_BTN_NAME "[PicStyle]"
#define FORMAT_BTN BGMT_PICSTYLE
#define FORMAT_STR_LOC 6

#define BULB_MIN_EXPOSURE 500

// http://magiclantern.wikia.com/wiki/Fonts
#define BFNT_CHAR_CODES    0xf7c5E9C0
#define BFNT_BITMAP_OFFSET 0xf7c61108
#define BFNT_BITMAP_DATA   0xf7c63850

 #define DLG_SIGNATURE 0x414944

// from CFn
 #define AF_BTN_HALFSHUTTER 0
 #define AF_BTN_STAR 2

#define IMGPLAY_ZOOM_LEVEL_ADDR (0x12EF8) // dec GuiImageZoomDown and look for a negative counter
#define IMGPLAY_ZOOM_LEVEL_MAX 14
#define IMGPLAY_ZOOM_POS_X MEM(0x38968) // Zoom CentrePos
#define IMGPLAY_ZOOM_POS_Y MEM(0x3896c)
#define IMGPLAY_ZOOM_POS_X_CENTER 0x2be
#define IMGPLAY_ZOOM_POS_Y_CENTER 0x1d4
#define IMGPLAY_ZOOM_POS_DELTA_X (0x2be - 0x190)
#define IMGPLAY_ZOOM_POS_DELTA_Y (0x1d4 - 0x150)



#define BULB_EXPOSURE_CORRECTION 120

#define WINSYS_BMP_DIRTY_BIT_NEG MEM(0x15C64+0x30)
// DebugMsg(4, 2, msg='Whole Screen Backup end')
// winsys_struct.WINSYS_BMP_DIRTY_BIT_NEG /*off_0x30, 0x12BBC*/ = 0

// manual exposure overrides
#define LVAE_STRUCT 0x4724
#define CONTROL_BV      (*(uint16_t*)(LVAE_STRUCT+0x1a)) // EP_SetControlBv
#define CONTROL_BV_TV   (*(uint16_t*)(LVAE_STRUCT+0x1c)) // EP_SetControlParam
#define CONTROL_BV_AV   (*(uint16_t*)(LVAE_STRUCT+0x1e))
#define CONTROL_BV_ISO  (*(uint16_t*)(LVAE_STRUCT+0x20))
#define CONTROL_BV_ZERO (*(uint16_t*)(LVAE_STRUCT+0x22))
#define LVAE_ISO_SPEED  (*(uint8_t* )(LVAE_STRUCT))      // offset 0x0; at 3 it changes iso very slowly
#define LVAE_ISO_MIN    (*(uint8_t* )(LVAE_STRUCT+0x28)) // string: ISOMin:%d
#define LVAE_ISO_HIS    (*(uint8_t* )(LVAE_STRUCT+0x2a)) // no idea what this is
#define LVAE_DISP_GAIN  (*(uint16_t*)(LVAE_STRUCT+0x24)) // lvae_setdispgain
#define LVAE_MOV_M_CTRL (*(uint8_t* )(LVAE_STRUCT+0x6c)) // lvae_setmoviemanualcontrol

#define MIN_MSLEEP 11

#define INFO_BTN_NAME "INFO"
#define Q_BTN_NAME "Pict.Style"
#define ARROW_MODE_TOGGLE_KEY "PicStyle"

#define DISPLAY_IS_ON MEM(0x2804) // TurnOnDisplay (PUB) Type=%ld fDisplayTurnOn=%ld

#define LV_STRUCT_PTR 0x1D78
#define FRAME_ISO *(uint16_t*)(MEM(LV_STRUCT_PTR) + 0x5C)
#define FRAME_BV *(uint8_t*)(MEM(LV_STRUCT_PTR) + 0x5E)
#define FRAME_SHUTTER *(uint8_t*)(MEM(LV_STRUCT_PTR) + 0x5A)
#define FRAME_SHUTTER_TIMER *(uint16_t*)(MEM(LV_STRUCT_PTR) + 0x60)

// see "Malloc Information"
#define MALLOC_STRUCT 0x22528
#define MALLOC_FREE_MEMORY (MEM(MALLOC_STRUCT + 24 + 4) - MEM(MALLOC_STRUCT + 24 + 8)) // "Total Size" - "Allocated Size"

//~ max volume supported for beeps
#define ASIF_MAX_VOL 5

// temperature convertion from raw-temperature to celsius
// http://www.magiclantern.fm/forum/index.php?topic=9673.0
#define EFIC_CELSIUS ((int)efic_temp - 128)