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-rw-r--r--src/link.c621
1 files changed, 559 insertions, 62 deletions
diff --git a/src/link.c b/src/link.c
index 385538e5e..0bb637881 100644
--- a/src/link.c
+++ b/src/link.c
@@ -53,7 +53,6 @@ struct LinkTestBGInfo
#define SIO_MULTI_CNT ((struct SioMultiCnt *)REG_ADDR_SIOCNT)
-#define static __attribute__((section(".bss")))
static struct BlockTransfer sBlockSend;
ALIGNED(8) static struct BlockTransfer sBlockRecv[MAX_LINK_PLAYERS];
static u32 sBlockSendDelayCounter;
@@ -63,23 +62,23 @@ static u32 sPlayerDataExchangeStatus;
static u32 gUnknown_3000E58;
static u8 sLinkTestLastBlockSendPos;
ALIGNED(8) static u8 sLinkTestLastBlockRecvPos[MAX_LINK_PLAYERS];
+// File break?
static u8 sNumVBlanksWithoutSerialIntr;
static bool8 sSendBufferEmpty;
static u16 sSendNonzeroCheck;
static u16 sRecvNonzeroCheck;
static u8 sChecksumAvailable;
static u8 sHandshakePlayerCount;
-#undef static
u16 gLinkPartnersHeldKeys[6];
u32 gLinkDebugSeed;
struct LinkPlayerBlock gLocalLinkPlayerBlock;
bool8 gLinkErrorOccurred;
u32 gLinkDebugFlags;
-//u32 gFiller_03003074;
+u32 gFiller_3003EB4;
bool8 gRemoteLinkPlayersNotReceived[MAX_LINK_PLAYERS];
u8 gBlockReceivedStatus[MAX_LINK_PLAYERS];
-//u32 gFiller_03003080;
+u32 gFiller_3003EC0;
u16 gLinkHeldKeys;
u16 gRecvCmds[MAX_RFU_PLAYERS][CMD_LENGTH];
u32 gLinkStatus;
@@ -99,15 +98,13 @@ void (*gLinkCallback)(void);
u8 gShouldAdvanceLinkState;
u16 gLinkTestBlockChecksums[MAX_LINK_PLAYERS];
u8 gBlockRequestType;
-//u32 gFiller_03003154;
-//u32 gFiller_03003158;
-//u32 gFiller_0300315c;
+u32 gFiller_3003F94; // file
+u32 gFiller_3003F98; // boundary
+u32 gFiller_3003F9C; // here?
u8 gLastSendQueueCount;
struct Link gLink;
u8 gLastRecvQueueCount;
u16 gLinkSavedIme;
-//u32 gFiller_03004138;
-//u32 gFiller_0300413C;
EWRAM_DATA bool8 gLinkTestDebugValuesEnabled = FALSE;
EWRAM_DATA bool8 gUnknown_2022111 = FALSE;
@@ -129,34 +126,42 @@ EWRAM_DATA struct {
EWRAM_DATA u16 gUnknown_202285C = 0;
EWRAM_DATA void *gUnknown_2022860 = NULL;
-void InitLocalLinkPlayer(void);
-void sub_800978C(void);
-void CB2_LinkTest(void);
-void ProcessRecvCmds(u8 id);
-void sub_800A040(void);
-void ResetBlockSend(void);
-bool32 InitBlockSend(const void * src, size_t size);
-void LinkCB_BlockSendBegin(void);
-void LinkCB_BlockSend(void);
-void LinkCB_BlockSendEnd(void);
-void sub_800A3CC(void);
-void SetBlockReceivedFlag(u8 id);
-u16 LinkTestCalcBlockChecksum(const u16 *src, u16 size);
-void LinkTest_prnthex(u32 pos, u8 a0, u8 a1, u8 a2);
-void LinkCB_RequestPlayerDataExchange(void);
-void Task_PrintTestData(u8 taskId);
-void sub_800AB0C(void);
-void sub_800AB38(void);
-void sub_800ABD4(void);
-void sub_800AC00(void);
-void CheckErrorStatus(void);
-void CB2_PrintErrorMessage(void);
-void EnableSerial(void);
-void sub_800B210(void);
-void sub_80F8DC0(void);
-void DisableSerial(void);
-void sub_800B284(struct LinkPlayer * linkPlayer);
-bool8 IsSioMultiMaster(void);
+static void InitLocalLinkPlayer(void);
+static void sub_800978C(void);
+static void CB2_LinkTest(void);
+static void ProcessRecvCmds(u8 id);
+static void sub_800A040(void);
+static void ResetBlockSend(void);
+static bool32 InitBlockSend(const void *src, size_t size);
+static void LinkCB_BlockSendBegin(void);
+static void LinkCB_BlockSend(void);
+static void LinkCB_BlockSendEnd(void);
+static void sub_800A3CC(void);
+static void SetBlockReceivedFlag(u8 id);
+static u16 LinkTestCalcBlockChecksum(const u16 *src, u16 size);
+static void LinkTest_prnthex(u32 pos, u8 a0, u8 a1, u8 a2);
+static void LinkCB_RequestPlayerDataExchange(void);
+static void Task_PrintTestData(u8 taskId);
+static void sub_800AB0C(void);
+static void sub_800AB38(void);
+static void sub_800ABD4(void);
+static void sub_800AC00(void);
+static void CheckErrorStatus(void);
+static void CB2_PrintErrorMessage(void);
+static void sub_800B210(void);
+static void DisableSerial(void);
+static void EnableSerial(void);
+static bool8 IsSioMultiMaster(void);
+static void CheckMasterOrSlave(void);
+static void InitTimer(void);
+static void EnqueueSendCmd(u16 *sendCmd);
+static void DequeueRecvCmds(u16 (*recvCmds)[CMD_LENGTH]);
+static void StartTransfer(void);
+static bool8 DoHandshake(void);
+static void DoRecv(void);
+static void DoSend(void);
+static void StopTimer(void);
+static void SendRecvDone(void);
ALIGNED(4) const u16 gWirelessLinkDisplayPal[] = INCBIN_U16("graphics/interface/wireless_link_display.gbapal");
const u16 gWirelessLinkDisplay4bpp[] = INCBIN_U16("graphics/interface/wireless_link_display.4bpp.lz");
@@ -314,7 +319,7 @@ void SetLocalLinkPlayerId(u8 playerId)
gLocalLinkPlayer.id = playerId;
}
-void InitLocalLinkPlayer(void)
+static void InitLocalLinkPlayer(void)
{
gLocalLinkPlayer.trainerId = gSaveBlock2Ptr->playerTrainerId[0] | (gSaveBlock2Ptr->playerTrainerId[1] << 8) | (gSaveBlock2Ptr->playerTrainerId[2] << 16) | (gSaveBlock2Ptr->playerTrainerId[3] << 24);
StringCopy(gLocalLinkPlayer.name, gSaveBlock2Ptr->playerName);
@@ -330,7 +335,7 @@ void InitLocalLinkPlayer(void)
}
}
-void sub_800978C(void)
+static void sub_800978C(void)
{
LoadOam();
ProcessSpriteCopyRequests();
@@ -471,7 +476,7 @@ void LinkTestProcessKeyInput(void)
}
}
-void CB2_LinkTest(void)
+static void CB2_LinkTest(void)
{
LinkTestProcessKeyInput();
TestBlockTransfer(1, 1, 0);
@@ -734,7 +739,7 @@ bool32 IsSendingKeysToLink(void)
return FALSE;
}
-void sub_800A040(void)
+static void sub_800A040(void)
{
if (gReceivedRemoteLinkPlayers == TRUE)
{
@@ -884,7 +889,7 @@ void ResetLinkPlayers(void)
}
}
-void ResetBlockSend(void)
+static void ResetBlockSend(void)
{
sBlockSend.active = FALSE;
sBlockSend.pos = 0;
@@ -892,7 +897,7 @@ void ResetBlockSend(void)
sBlockSend.src = NULL;
}
-bool32 InitBlockSend(const void *src, size_t size)
+static bool32 InitBlockSend(const void *src, size_t size)
{
if (sBlockSend.active)
{
@@ -920,7 +925,7 @@ bool32 InitBlockSend(const void *src, size_t size)
return TRUE;
}
-void LinkCB_BlockSendBegin(void)
+static void LinkCB_BlockSendBegin(void)
{
if (++sBlockSendDelayCounter > 2)
{
@@ -928,7 +933,7 @@ void LinkCB_BlockSendBegin(void)
}
}
-void LinkCB_BlockSend(void)
+static void LinkCB_BlockSend(void)
{
int i;
const u8 *src;
@@ -947,7 +952,7 @@ void LinkCB_BlockSend(void)
}
}
-void LinkCB_BlockSendEnd(void)
+static void LinkCB_BlockSendEnd(void)
{
gLinkCallback = NULL;
}
@@ -958,7 +963,7 @@ void sub_800A3AC(void)
gUnknown_2022114++;
}
-void sub_800A3CC(void)
+static void sub_800A3CC(void)
{
gUnknown_2022114 = 0;
gLinkCallback = sub_800A3AC;
@@ -1086,7 +1091,7 @@ void CheckShouldAdvanceLinkState(void)
}
}
-u16 LinkTestCalcBlockChecksum(const u16 *src, u16 size)
+static u16 LinkTestCalcBlockChecksum(const u16 *src, u16 size)
{
u16 chksum;
u16 i;
@@ -1115,7 +1120,7 @@ void LinkTest_prntchar(char a0, u8 a1, u8 a2)
vAddr[a2 * 32 + a1] = (gLinkTestBGInfo.paletteNum << 12) | (a0 + gLinkTestBGInfo.dummy_8);
}
-void LinkTest_prnthex(u32 pos, u8 a0, u8 a1, u8 a2)
+static void LinkTest_prnthex(u32 pos, u8 a0, u8 a1, u8 a2)
{
char sp[32 / 2];
int i;
@@ -1155,7 +1160,7 @@ void LinkTest_prntstr(const char *a0, u8 a1, u8 a2)
}
}
-void LinkCB_RequestPlayerDataExchange(void)
+static void LinkCB_RequestPlayerDataExchange(void)
{
if (gLinkStatus & LINK_STAT_MASTER)
{
@@ -1164,7 +1169,7 @@ void LinkCB_RequestPlayerDataExchange(void)
gLinkCallback = NULL;
}
-void Task_PrintTestData(u8 taskId)
+static void Task_PrintTestData(u8 taskId)
{
char sp[32];
int i;
@@ -1345,7 +1350,7 @@ void sub_800AAC0(void)
}
}
-void sub_800AB0C(void)
+static void sub_800AB0C(void)
{
if (gLastRecvQueueCount == 0)
{
@@ -1354,7 +1359,7 @@ void sub_800AB0C(void)
}
}
-void sub_800AB38(void)
+static void sub_800AB38(void)
{
int i;
unsigned count;
@@ -1395,7 +1400,7 @@ void sub_800AB9C(void)
}
}
-void sub_800ABD4(void)
+static void sub_800ABD4(void)
{
if (gLastRecvQueueCount == 0)
{
@@ -1404,7 +1409,7 @@ void sub_800ABD4(void)
}
}
-void sub_800AC00(void)
+static void sub_800AC00(void)
{
u8 i;
u8 linkPlayerCount;
@@ -1427,7 +1432,7 @@ void sub_800AC00(void)
}
}
-void CheckErrorStatus(void)
+static void CheckErrorStatus(void)
{
if (gLinkOpen && EXTRACT_LINK_ERRORS(gLinkStatus))
{
@@ -1532,7 +1537,7 @@ void sub_800AED0(void)
ShowBg(0);
}
-void CB2_PrintErrorMessage(void)
+static void CB2_PrintErrorMessage(void)
{
switch (gMain.state)
{
@@ -1601,7 +1606,7 @@ bool8 GetSioMultiSI(void)
return (REG_SIOCNT & 0x04) != 0;
}
-bool8 IsSioMultiMaster(void)
+static bool8 IsSioMultiMaster(void)
{
return (REG_SIOCNT & 0x8) && !(REG_SIOCNT & 0x04);
}
@@ -1686,7 +1691,7 @@ void sub_800B1F4(void)
}
}
-void sub_800B210(void)
+static void sub_800B210(void)
{
if (gReceivedRemoteLinkPlayers == 0)
{
@@ -1720,13 +1725,15 @@ bool32 sub_800B270(void)
return FALSE;
}
-void sub_800B284(struct LinkPlayer *player)
+void sub_800B284(struct LinkPlayer * player)
{
player->name[10] = player->name[8];
ConvertInternationalString(player->name, player->language);
}
-void DisableSerial(void)
+// File break?
+
+static void DisableSerial(void)
{
DisableInterrupts(INTR_FLAG_TIMER3 | INTR_FLAG_SERIAL);
REG_SIOCNT = SIO_MULTI_MODE;
@@ -1737,7 +1744,7 @@ void DisableSerial(void)
CpuFill32(0, &gLink, sizeof(gLink));
}
-void EnableSerial(void)
+static void EnableSerial(void)
{
DisableInterrupts(INTR_FLAG_TIMER3 | INTR_FLAG_SERIAL);
REG_RCNT = 0;
@@ -1760,3 +1767,493 @@ void ResetSerial(void)
EnableSerial();
DisableSerial();
}
+
+u32 LinkMain1(u8 *shouldAdvanceLinkState, u16 *sendCmd, u16 (*recvCmds)[CMD_LENGTH])
+{
+ u32 retVal;
+ u32 retVal2;
+
+ switch (gLink.state)
+ {
+ case LINK_STATE_START0:
+ DisableSerial();
+ gLink.state = LINK_STATE_START1;
+ break;
+ case LINK_STATE_START1:
+ if (*shouldAdvanceLinkState == 1)
+ {
+ EnableSerial();
+ gLink.state = LINK_STATE_HANDSHAKE;
+ }
+ break;
+ case LINK_STATE_HANDSHAKE:
+ switch (*shouldAdvanceLinkState)
+ {
+ default:
+ CheckMasterOrSlave();
+ break;
+ case 1:
+ if (gLink.isMaster == LINK_MASTER && gLink.playerCount > 1)
+ {
+ gLink.handshakeAsMaster = TRUE;
+ }
+ break;
+ case 2:
+ gLink.state = LINK_STATE_START0;
+ REG_SIOMLT_SEND = 0;
+ break;
+ }
+ break;
+ case LINK_STATE_INIT_TIMER:
+ InitTimer();
+ gLink.state = LINK_STATE_CONN_ESTABLISHED;
+ // fallthrough
+ case LINK_STATE_CONN_ESTABLISHED:
+ EnqueueSendCmd(sendCmd);
+ DequeueRecvCmds(recvCmds);
+ break;
+ }
+ *shouldAdvanceLinkState = 0;
+ retVal = gLink.localId;
+ retVal |= (gLink.playerCount << LINK_STAT_PLAYER_COUNT_SHIFT);
+ if (gLink.isMaster == LINK_MASTER)
+ {
+ retVal |= LINK_STAT_MASTER;
+ }
+ {
+ u32 receivedNothing = gLink.receivedNothing << LINK_STAT_RECEIVED_NOTHING_SHIFT;
+ u32 link_field_F = gLink.link_field_F << LINK_STAT_UNK_FLAG_9_SHIFT;
+ u32 hardwareError = gLink.hardwareError << LINK_STAT_ERROR_HARDWARE_SHIFT;
+ u32 badChecksum = gLink.badChecksum << LINK_STAT_ERROR_CHECKSUM_SHIFT;
+ u32 queueFull = gLink.queueFull << LINK_STAT_ERROR_QUEUE_FULL_SHIFT;
+ u32 val;
+
+ if (gLink.state == LINK_STATE_CONN_ESTABLISHED)
+ {
+ val = LINK_STAT_CONN_ESTABLISHED;
+ val |= receivedNothing;
+ val |= retVal;
+ val |= link_field_F;
+ val |= hardwareError;
+ val |= badChecksum;
+ val |= queueFull;
+ }
+ else
+ {
+ val = retVal;
+ val |= receivedNothing;
+ val |= link_field_F;
+ val |= hardwareError;
+ val |= badChecksum;
+ val |= queueFull;
+ }
+
+ retVal = val;
+ }
+
+ if (gLink.lag == LAG_MASTER)
+ {
+ retVal |= LINK_STAT_ERROR_LAG_MASTER;
+ }
+
+ if (gLink.localId >= MAX_LINK_PLAYERS)
+ {
+ retVal |= LINK_STAT_ERROR_INVALID_ID;
+ }
+
+ retVal2 = retVal;
+ if (gLink.lag == LAG_SLAVE)
+ {
+ retVal2 |= LINK_STAT_ERROR_LAG_SLAVE;
+ }
+
+ return retVal2;
+}
+
+static void CheckMasterOrSlave(void)
+{
+ u32 terminals;
+
+ terminals = *(vu32 *)REG_ADDR_SIOCNT & (SIO_MULTI_SD | SIO_MULTI_SI);
+ if (terminals == SIO_MULTI_SD && gLink.localId == 0)
+ {
+ gLink.isMaster = LINK_MASTER;
+ }
+ else
+ {
+ gLink.isMaster = LINK_SLAVE;
+ }
+}
+
+static void InitTimer(void)
+{
+ if (gLink.isMaster)
+ {
+ REG_TM3CNT_L = -197;
+ REG_TM3CNT_H = TIMER_64CLK | TIMER_INTR_ENABLE;
+ EnableInterrupts(INTR_FLAG_TIMER3);
+ }
+}
+
+static void EnqueueSendCmd(u16 *sendCmd)
+{
+ u8 i;
+ u8 offset;
+
+ gLinkSavedIme = REG_IME;
+ REG_IME = 0;
+ if (gLink.sendQueue.count < QUEUE_CAPACITY)
+ {
+ offset = gLink.sendQueue.pos + gLink.sendQueue.count;
+ if (offset >= QUEUE_CAPACITY)
+ {
+ offset -= QUEUE_CAPACITY;
+ }
+ for (i = 0; i < CMD_LENGTH; i++)
+ {
+ sSendNonzeroCheck |= *sendCmd;
+ gLink.sendQueue.data[i][offset] = *sendCmd;
+ *sendCmd = 0;
+ sendCmd++;
+ }
+ }
+ else
+ {
+ gLink.queueFull = QUEUE_FULL_SEND;
+ }
+ if (sSendNonzeroCheck)
+ {
+ gLink.sendQueue.count++;
+ sSendNonzeroCheck = 0;
+ }
+ REG_IME = gLinkSavedIme;
+ gLastSendQueueCount = gLink.sendQueue.count;
+}
+
+static void DequeueRecvCmds(u16 (*recvCmds)[CMD_LENGTH])
+{
+ u8 i;
+ u8 j;
+
+ gLinkSavedIme = REG_IME;
+ REG_IME = 0;
+ if (gLink.recvQueue.count == 0)
+ {
+ for (i = 0; i < gLink.playerCount; i++)
+ {
+ for (j = 0; j < CMD_LENGTH; j++)
+ {
+ recvCmds[i][j] = 0;
+ }
+ }
+
+ gLink.receivedNothing = TRUE;
+ }
+ else
+ {
+ for (i = 0; i < gLink.playerCount; i++)
+ {
+ for (j = 0; j < CMD_LENGTH; j++)
+ {
+ recvCmds[i][j] = gLink.recvQueue.data[i][j][gLink.recvQueue.pos];
+ }
+ }
+ gLink.recvQueue.count--;
+ gLink.recvQueue.pos++;
+ if (gLink.recvQueue.pos >= QUEUE_CAPACITY)
+ {
+ gLink.recvQueue.pos = 0;
+ }
+ gLink.receivedNothing = FALSE;
+ }
+ REG_IME = gLinkSavedIme;
+}
+
+void LinkVSync(void)
+{
+ if (gLink.isMaster)
+ {
+ switch (gLink.state)
+ {
+ case LINK_STATE_CONN_ESTABLISHED:
+ if (gLink.serialIntrCounter < 9)
+ {
+ if (gLink.hardwareError != TRUE)
+ {
+ gLink.lag = LAG_MASTER;
+ }
+ else
+ {
+ StartTransfer();
+ }
+ }
+ else if (gLink.lag != LAG_MASTER)
+ {
+ gLink.serialIntrCounter = 0;
+ StartTransfer();
+ }
+ break;
+ case LINK_STATE_HANDSHAKE:
+ StartTransfer();
+ break;
+ }
+ }
+ else if (gLink.state == LINK_STATE_CONN_ESTABLISHED || gLink.state == LINK_STATE_HANDSHAKE)
+ {
+ if (++sNumVBlanksWithoutSerialIntr > 10)
+ {
+ if (gLink.state == LINK_STATE_CONN_ESTABLISHED)
+ {
+ gLink.lag = LAG_SLAVE;
+ }
+ if (gLink.state == LINK_STATE_HANDSHAKE)
+ {
+ gLink.playerCount = 0;
+ gLink.link_field_F = FALSE;
+ }
+ }
+ }
+}
+
+void Timer3Intr(void)
+{
+ StopTimer();
+ StartTransfer();
+}
+
+void SerialCB(void)
+{
+ gLink.localId = SIO_MULTI_CNT->id;
+ switch (gLink.state)
+ {
+ case LINK_STATE_CONN_ESTABLISHED:
+ gLink.hardwareError = SIO_MULTI_CNT->error;
+ DoRecv();
+ DoSend();
+ SendRecvDone();
+ break;
+ case LINK_STATE_HANDSHAKE:
+ if (DoHandshake())
+ {
+ if (gLink.isMaster)
+ {
+ gLink.state = LINK_STATE_INIT_TIMER;
+ gLink.serialIntrCounter = 8;
+ }
+ else
+ {
+ gLink.state = LINK_STATE_CONN_ESTABLISHED;
+ }
+ }
+ break;
+ }
+ gLink.serialIntrCounter++;
+ sNumVBlanksWithoutSerialIntr = 0;
+ if (gLink.serialIntrCounter == 8)
+ {
+ gLastRecvQueueCount = gLink.recvQueue.count;
+ }
+}
+
+static void StartTransfer(void)
+{
+ REG_SIOCNT |= SIO_START;
+}
+
+static bool8 DoHandshake(void)
+{
+ u8 i;
+ u8 playerCount;
+ u16 minRecv;
+
+ playerCount = 0;
+ minRecv = 0xFFFF;
+ if (gLink.handshakeAsMaster == TRUE)
+ {
+ REG_SIOMLT_SEND = MASTER_HANDSHAKE;
+ }
+ else
+ {
+ REG_SIOMLT_SEND = SLAVE_HANDSHAKE;
+ }
+ *(u64 *)gLink.tempRecvBuffer = REG_SIOMLT_RECV;
+ REG_SIOMLT_RECV = 0;
+ gLink.handshakeAsMaster = FALSE;
+ for (i = 0; i < 4; i++)
+ {
+ if ((gLink.tempRecvBuffer[i] & ~0x3) == SLAVE_HANDSHAKE || gLink.tempRecvBuffer[i] == MASTER_HANDSHAKE)
+ {
+ playerCount++;
+ if (minRecv > gLink.tempRecvBuffer[i] && gLink.tempRecvBuffer[i] != 0)
+ {
+ minRecv = gLink.tempRecvBuffer[i];
+ }
+ }
+ else
+ {
+ if (gLink.tempRecvBuffer[i] != 0xFFFF)
+ {
+ playerCount = 0;
+ }
+ break;
+ }
+ }
+ gLink.playerCount = playerCount;
+ if (gLink.playerCount > 1 && gLink.playerCount == sHandshakePlayerCount && gLink.tempRecvBuffer[0] == MASTER_HANDSHAKE)
+ {
+ return TRUE;
+ }
+ if (gLink.playerCount > 1)
+ {
+ gLink.link_field_F = (minRecv & 3) + 1;
+ }
+ else
+ {
+ gLink.link_field_F = 0;
+ }
+ sHandshakePlayerCount = gLink.playerCount;
+ return FALSE;
+}
+
+static void DoRecv(void)
+{
+ u16 recv[4];
+ u8 i;
+ u8 index;
+
+ *(u64 *)recv = REG_SIOMLT_RECV;
+ if (gLink.sendCmdIndex == 0)
+ {
+ for (i = 0; i < gLink.playerCount; i++)
+ {
+ if (gLink.checksum != recv[i] && sChecksumAvailable)
+ {
+ gLink.badChecksum = TRUE;
+ }
+ }
+ gLink.checksum = 0;
+ sChecksumAvailable = TRUE;
+ }
+ else
+ {
+ index = gLink.recvQueue.pos + gLink.recvQueue.count;
+ if (index >= QUEUE_CAPACITY)
+ {
+ index -= QUEUE_CAPACITY;
+ }
+ if (gLink.recvQueue.count < QUEUE_CAPACITY)
+ {
+ for (i = 0; i < gLink.playerCount; i++)
+ {
+ gLink.checksum += recv[i];
+ sRecvNonzeroCheck |= recv[i];
+ gLink.recvQueue.data[i][gLink.recvCmdIndex][index] = recv[i];
+ }
+ }
+ else
+ {
+ gLink.queueFull = QUEUE_FULL_RECV;
+ }
+ gLink.recvCmdIndex++;
+ if (gLink.recvCmdIndex == CMD_LENGTH && sRecvNonzeroCheck)
+ {
+ gLink.recvQueue.count++;
+ sRecvNonzeroCheck = 0;
+ }
+ }
+}
+
+static void DoSend(void)
+{
+ if (gLink.sendCmdIndex == CMD_LENGTH)
+ {
+ REG_SIOMLT_SEND = gLink.checksum;
+ if (!sSendBufferEmpty)
+ {
+ gLink.sendQueue.count--;
+ gLink.sendQueue.pos++;
+ if (gLink.sendQueue.pos >= QUEUE_CAPACITY)
+ {
+ gLink.sendQueue.pos = 0;
+ }
+ }
+ else
+ {
+ sSendBufferEmpty = FALSE;
+ }
+ }
+ else
+ {
+ if (!sSendBufferEmpty && gLink.sendQueue.count == 0)
+ {
+ sSendBufferEmpty = TRUE;
+ }
+ if (sSendBufferEmpty)
+ {
+ REG_SIOMLT_SEND = 0;
+ }
+ else
+ {
+ REG_SIOMLT_SEND = gLink.sendQueue.data[gLink.sendCmdIndex][gLink.sendQueue.pos];
+ }
+ gLink.sendCmdIndex++;
+ }
+}
+
+static void StopTimer(void)
+{
+ if (gLink.isMaster)
+ {
+ REG_TM3CNT_H &= ~TIMER_ENABLE;
+ REG_TM3CNT_L = -197;
+ }
+}
+
+static void SendRecvDone(void)
+{
+ if (gLink.recvCmdIndex == CMD_LENGTH)
+ {
+ gLink.sendCmdIndex = 0;
+ gLink.recvCmdIndex = 0;
+ }
+ else if (gLink.isMaster)
+ {
+ REG_TM3CNT_H |= TIMER_ENABLE;
+ }
+}
+
+void ResetSendBuffer(void)
+{
+ u8 i;
+ u8 j;
+
+ gLink.sendQueue.count = 0;
+ gLink.sendQueue.pos = 0;
+ for (i = 0; i < CMD_LENGTH; i++)
+ {
+ for (j = 0; j < QUEUE_CAPACITY; j++)
+ {
+ gLink.sendQueue.data[i][j] = 0xEFFF;
+ }
+ }
+}
+
+void ResetRecvBuffer(void)
+{
+ u8 i;
+ u8 j;
+ u8 k;
+
+ gLink.recvQueue.count = 0;
+ gLink.recvQueue.pos = 0;
+ for (i = 0; i < MAX_LINK_PLAYERS; i++)
+ {
+ for (j = 0; j < CMD_LENGTH; j++)
+ {
+ for (k = 0; k < QUEUE_CAPACITY; k++)
+ {
+ gLink.recvQueue.data[i][j][k] = 0xEFFF;
+ }
+ }
+ }
+}