link through CheckErrorStatus

include/link.h

@@ -19,6 +19,20 @@
 #define LINK_STAT_RECEIVED_NOTHING       0x00000100
 #define LINK_STAT_RECEIVED_NOTHING_SHIFT 8
 #define LINK_STAT_ERRORS                 0x0007F000
+#define LINK_STAT_ERRORS_SHIFT           12
+
+#define LINK_STAT_ERROR_HARDWARE         0x00001000
+#define LINK_STAT_ERROR_HARDWARE_SHIFT   12
+#define LINK_STAT_ERROR_CHECKSUM         0x00002000
+#define LINK_STAT_ERROR_CHECKSUM_SHIFT   13
+#define LINK_STAT_ERROR_QUEUE_FULL       0x00004000
+#define LINK_STAT_ERROR_QUEUE_FULL_SHIFT 14
+#define LINK_STAT_ERROR_LAG_MASTER       0x00010000
+#define LINK_STAT_ERROR_LAG_MASTER_SHIFT 16
+#define LINK_STAT_ERROR_INVALID_ID       0x00020000
+#define LINK_STAT_ERROR_INVALID_ID_SHIFT 17
+#define LINK_STAT_ERROR_LAG_SLAVE        0x00040000
+#define LINK_STAT_ERROR_LAG_SLAVE_SHIFT  18
 
 #define EXTRACT_PLAYER_COUNT(status) \
 (((status) & LINK_STAT_PLAYER_COUNT) >> LINK_STAT_PLAYER_COUNT_SHIFT)
@@ -28,6 +42,8 @@
 (((status) >> LINK_STAT_CONN_ESTABLISHED_SHIFT) & 1)
 #define EXTRACT_RECEIVED_NOTHING(status) \
 (((status) >> LINK_STAT_RECEIVED_NOTHING_SHIFT) & 1)
+#define EXTRACT_LINK_ERRORS(status) \
+(((status) & LINK_STAT_ERRORS) >> LINK_STAT_ERRORS_SHIFT)
 
 #define LINKCMD_SEND_LINK_TYPE 0x2222
 #define LINKCMD_0x2FFE             0x2FFE
@@ -62,6 +78,10 @@ enum
     EXCHANGE_COMPLETE,
     EXCHANGE_TIMED_OUT,
     EXCHANGE_IN_PROGRESS,
+    EXCHANGE_STAT_4,
+    EXCHANGE_STAT_5,
+    EXCHANGE_STAT_6,
+    EXCHANGE_STAT_7
 };
 
 enum
@@ -174,7 +194,7 @@ void ClearLinkCallback(void);
 void ClearLinkCallback_2(void);
 u8 GetLinkPlayerCount(void);
 void OpenLinkTimed(void);
-u8 GetLinkPlayerDataExchangeStatusTimed(void);
+u8 GetLinkPlayerDataExchangeStatusTimed(int lower, int higher);
 bool8 IsLinkPlayerDataExchangeComplete(void);
 u32 GetLinkPlayerTrainerId(u8);
 void ResetLinkPlayers(void);
@@ -217,7 +237,7 @@ void sub_800AAC0(void);
 void OpenLink(void);
 bool8 IsLinkMaster(void);
 void CheckShouldAdvanceLinkState(void);
-void sub_800AA80(u8);
+void sub_800AA80(u16 a0);
 void sub_80098D8(void);
 void CloseLink(void);
 bool8 IsLinkTaskFinished(void);
@@ -228,6 +248,7 @@ void sub_800B1F4(void);
 void LoadWirelessStatusIndicatorSpriteGfx(void);
 void CreateWirelessStatusIndicatorSprite(u8, u8);
 void sub_8009FE8(void);
-void sub_800A068(void);
+void ClearLinkCallback_2(void);
+void sub_80FA42C(void);
 
 #endif // GUARD_LINK_H

include/link_rfu.h

@@ -11,7 +11,7 @@ bool32 MG_PrintTextOnWindow1AndWaitButton(u8 * cmdPtr, const u8 * src);
 void sub_80FA190(void);
 void MG_DrawCheckerboardPattern(void);
 void task_add_05_task_del_08FA224_when_no_RfuFunc(void);
-bool8 IsNoOneConnected(void);
+bool8 IsRfuTaskFinished(void);
 void DestroyWirelessStatusIndicatorSprite(void);
 void MEvent_CreateTask_CardOrNewsWithFriend(u8);
 void MEvent_CreateTask_CardOrNewsOverWireless(u8);
@@ -22,5 +22,16 @@ void sub_80FBB4C(void);
 void sub_80F86F4(void);
 void sub_80FB128(bool32 a0);
 u32 sub_80FD3A4(void);
+bool32 IsSendingKeysToRfu(void);
+void Rfu_set_zero(void);
+u8 GetRfuPlayerCount(void);
+void sub_80F9828(void);
+u8 rfu_get_multiplayer_id(void);
+bool8 Rfu_InitBlockSend(const void * src, u16 size);
+bool8 sub_80FA0F8(u8 a0);
+u8 Rfu_GetBlockReceivedStatus(void);
+void Rfu_SetBlockReceivedFlag(u8 who);
+void Rfu_ResetBlockReceivedFlag(u8 who);
+bool8 Rfu_IsMaster(void);
 
 #endif //GUARD_LINK_RFU_H

include/trade.h

@@ -0,0 +1,6 @@
+#ifndef GUARD_TRADE_H
+#define GUARD_TRADE_H
+
+s32 sub_804FB34(void);
+
+#endif //GUARD_TRADE_H