#include #include "librfu.h" // If expanding the length of the player name and wireless link functionality is // desired, ensure that the name string is limited in size when it's copied from the // saveblock to any Rfu-related fields (e.g. in SetHostRfuUsername). // If wireless link functionality is not desired ignore or delete this warning. #if RFU_USER_NAME_LENGTH < (PLAYER_NAME_LENGTH + 1) #warning "The Wireless Adapter hardware expects a username of no more than 8 bytes." #endif struct LLSFStruct { u8 frameSize; u8 recvFirstShift; u8 connSlotFlagShift; u8 slotStateShift; u8 ackShift; u8 phaseShit; u8 nShift; u8 recvFirstMask; u8 connSlotFlagMask; u8 slotStateMask; u8 ackMask; u8 phaseMask; u8 nMask; u16 framesMask; }; struct RfuLocalStruct { u8 recvFirst; u8 connSlotFlag; u8 slotState; u8 ack; u8 phase; u8 n; u16 frame; }; static void rfu_CB_defaultCallback(u8 reqCommand, u16 reqResult); static void rfu_CB_reset(u8 reqCommand, u16 reqResult); static void rfu_CB_configGameData(u8 reqCommand, u16 reqResult); static void rfu_CB_stopMode(u8 reqCommand, u16 reqResult); static void rfu_CB_startSearchChild(u8 reqCommand, u16 reqResult); static void rfu_CB_pollAndEndSearchChild(u8 reqCommand, u16 reqResult); static void rfu_CB_startSearchParent(u8 reqCommand, u16 reqResult); static void rfu_CB_pollSearchParent(u8 reqCommand, u16 reqResult); static void rfu_CB_pollConnectParent(u8 reqCommand, u16 reqResult); static void rfu_CB_pollConnectParent(u8 reqCommand, u16 reqResult); static void rfu_CB_disconnect(u8 reqCommand, u16 reqResult); static void rfu_CB_CHILD_pollConnectRecovery(u8 reqCommand, u16 reqResult); static void rfu_CB_sendData(UNUSED u8 reqCommand, u16 reqResult); static void rfu_CB_sendData2(UNUSED u8 reqCommand, u16 reqResult); static void rfu_CB_sendData3(u8 reqCommand, u16 reqResult); static void rfu_CB_recvData(u8 reqCommand, u16 reqResult); static void rfu_enableREQCallback(bool8 enable); static void rfu_STC_clearAPIVariables(void); static void rfu_STC_readChildList(void); static void rfu_STC_readParentCandidateList(void); static void rfu_STC_REQ_callback(u8 reqCommand, u16 reqResult); static void rfu_STC_removeLinkData(u8, u8); static void rfu_STC_fastCopy(const u8 **, u8 **, s32); static void rfu_STC_clearLinkStatus(u8); static void rfu_NI_checkCommFailCounter(void); static u16 rfu_STC_setSendData_org(u8, u8, u8, const void *, u32); static void rfu_constructSendLLFrame(void); static u16 rfu_STC_NI_constructLLSF(u8, u8 **, struct NIComm *); static u16 rfu_STC_UNI_constructLLSF(u8, u8 **); static void rfu_STC_PARENT_analyzeRecvPacket(void); static void rfu_STC_CHILD_analyzeRecvPacket(void); static u16 rfu_STC_analyzeLLSF(u8, const u8 *, u16); static void rfu_STC_UNI_receive(u8, const struct RfuLocalStruct *, const u8 *); static void rfu_STC_NI_receive_Receiver(u8, const struct RfuLocalStruct *, const u8 *); static void rfu_STC_NI_receive_Sender(u8, u8, const struct RfuLocalStruct *, UNUSED const u8 *); static void rfu_STC_NI_initSlot_asRecvDataEntity(u8, struct NIComm *); static void rfu_STC_NI_initSlot_asRecvControllData(u8, struct NIComm *); struct RfuSlotStatusUNI *gRfuSlotStatusUNI[RFU_CHILD_MAX]; struct RfuSlotStatusNI *gRfuSlotStatusNI[RFU_CHILD_MAX]; struct RfuLinkStatus *gRfuLinkStatus; struct RfuStatic *gRfuStatic; struct RfuFixed *gRfuFixed; static const struct LLSFStruct llsf_struct[2] = { [MODE_CHILD] = { .frameSize = 2, .recvFirstShift = 14, .connSlotFlagShift = 0, .slotStateShift = 10, .ackShift = 9, .phaseShit = 5, .nShift = 7, .recvFirstMask = 2, .connSlotFlagMask = 0, .slotStateMask = 15, .ackMask = 1, .phaseMask = 3, .nMask = 3, .framesMask = 0x1f }, [MODE_PARENT] = { .frameSize = 3, .recvFirstShift = 22, .connSlotFlagShift = 18, .slotStateShift = 14, .ackShift = 13, .phaseShit = 9, .nShift = 11, .recvFirstMask = 3, .connSlotFlagMask = 15, .slotStateMask = 15, .ackMask = 1, .phaseMask = 3, .nMask = 3, .framesMask = 0x7f } }; #define xstr(s) str(s) #define str(s) #s static const char version_string[] = "RFU_V" xstr(LIBRFU_VERSION); static const char str_checkMbootLL[] = "RFU-MBOOT"; #define COPY(src, dst, iterator, size) do { \ const u16 *_src = (const u16 *)(src); \ u16 *_dst = (u16 *)(dst); \ (iterator) = (size); \ while ((iterator)-- != 0) \ *_dst++ = *_src++; \ } while (0) u16 rfu_initializeAPI(u32 *APIBuffer, u16 buffByteSize, IntrFunc *sioIntrTable_p, bool8 copyInterruptToRam) { u16 i; u16 *dst; const u16 *src; u16 buffByteSizeMax; // is in EWRAM? if (((uintptr_t)APIBuffer & 0xF000000) == 0x2000000 && copyInterruptToRam) return ERR_RFU_API_BUFF_ADR; // is not 4-byte aligned? if ((u32)APIBuffer & 3) return ERR_RFU_API_BUFF_ADR; if (copyInterruptToRam) { // An assert/debug print may have existed before, ie // printf("%s %u < %u", "somefile.c:12345", buffByteSize, num) // to push this into buffByteSizeMax? buffByteSizeMax = RFU_API_BUFF_SIZE_RAM; if (buffByteSize < buffByteSizeMax) return ERR_RFU_API_BUFF_SIZE; } if (!copyInterruptToRam) { buffByteSizeMax = RFU_API_BUFF_SIZE_ROM; // same issue as above if (buffByteSize < buffByteSizeMax) return ERR_RFU_API_BUFF_SIZE; } gRfuLinkStatus = (void *)APIBuffer + 0; gRfuStatic = (void *)APIBuffer + 0xb4; // + sizeof(*gRfuLinkStatus) gRfuFixed = (void *)APIBuffer + 0xdc; // + sizeof(*gRfuStatic) gRfuSlotStatusNI[0] = (void *)APIBuffer + 0x1bc; // + sizeof(*gRfuFixed) gRfuSlotStatusUNI[0] = (void *)APIBuffer + 0x37c; // + sizeof(*gRfuSlotStatusNI[0]) * RFU_CHILD_MAX for (i = 1; i < RFU_CHILD_MAX; ++i) { gRfuSlotStatusNI[i] = &gRfuSlotStatusNI[i - 1][1]; gRfuSlotStatusUNI[i] = &gRfuSlotStatusUNI[i - 1][1]; } // remaining space in API buffer is used for `struct RfuIntrStruct`. gRfuFixed->STWIBuffer = (struct RfuIntrStruct *)&gRfuSlotStatusUNI[3][1]; STWI_init_all((struct RfuIntrStruct *)&gRfuSlotStatusUNI[3][1], sioIntrTable_p, copyInterruptToRam); rfu_STC_clearAPIVariables(); for (i = 0; i < RFU_CHILD_MAX; ++i) { gRfuSlotStatusNI[i]->recvBuffer = NULL; gRfuSlotStatusNI[i]->recvBufferSize = 0; gRfuSlotStatusUNI[i]->recvBuffer = NULL; gRfuSlotStatusUNI[i]->recvBufferSize = 0; } // rfu_REQ_changeMasterSlave is the function next to rfu_STC_fastCopy #if LIBRFU_VERSION < 1026 src = (const u16 *)((uintptr_t)&rfu_STC_fastCopy & ~1); dst = gRfuFixed->fastCopyBuffer; buffByteSizeMax = ((void *)rfu_REQ_changeMasterSlave - (void *)rfu_STC_fastCopy) / sizeof(u16); while (buffByteSizeMax-- != 0) *dst++ = *src++; #else COPY( (uintptr_t)&rfu_STC_fastCopy & ~1, gRfuFixed->fastCopyBuffer, buffByteSizeMax, 0x60 / sizeof(u16) ); #endif gRfuFixed->fastCopyPtr = (void *)gRfuFixed->fastCopyBuffer + 1; return 0; } static void rfu_STC_clearAPIVariables(void) { u16 IMEBackup = REG_IME; u8 i, flags; REG_IME = 0; flags = gRfuStatic->flags; CpuFill16(0, gRfuStatic, sizeof(struct RfuStatic)); gRfuStatic->flags = flags & 8; CpuFill16(0, gRfuLinkStatus, sizeof(struct RfuLinkStatus)); gRfuLinkStatus->watchInterval = 4; gRfuStatic->nowWatchInterval = 0; gRfuLinkStatus->parentChild = MODE_NEUTRAL; rfu_clearAllSlot(); gRfuStatic->SCStartFlag = 0; for (i = 0; i < RFU_CHILD_MAX; ++i) gRfuStatic->cidBak[i] = 0; REG_IME = IMEBackup; } void rfu_REQ_PARENT_resumeRetransmitAndChange(void) { STWI_set_Callback_M(rfu_STC_REQ_callback); STWI_send_ResumeRetransmitAndChangeREQ(); } u16 rfu_UNI_PARENT_getDRAC_ACK(u8 *ackFlag) { u8 *buf; *ackFlag = 0; if (gRfuLinkStatus->parentChild != MODE_PARENT) return ERR_MODE_NOT_PARENT; buf = rfu_getSTWIRecvBuffer(); switch (*buf) { case 40: case 54: if (buf[1] == 0) *ackFlag = gRfuLinkStatus->connSlotFlag; else *ackFlag = buf[4]; return 0; default: return ERR_REQ_CMD_ID; } } void rfu_setTimerInterrupt(u8 timerNo, IntrFunc *timerIntrTable_p) { STWI_init_timer(timerIntrTable_p, timerNo); } u8 *rfu_getSTWIRecvBuffer(void) { return (u8 *)gRfuFixed->STWIBuffer; } void rfu_setMSCCallback(void (*callback)(u16 reqCommandId)) { STWI_set_Callback_S(callback); } void rfu_setREQCallback(void (*callback)(u16 reqCommandId, u16 reqResult)) { gRfuFixed->reqCallback = callback; rfu_enableREQCallback(callback != NULL); } static void rfu_enableREQCallback(bool8 enable) { if (enable) gRfuStatic->flags |= 8; else gRfuStatic->flags &= 0xF7; } static void rfu_STC_REQ_callback(u8 reqCommand, u16 reqResult) { STWI_set_Callback_M(rfu_CB_defaultCallback); gRfuStatic->reqResult = reqResult; if (gRfuStatic->flags & 8) gRfuFixed->reqCallback(reqCommand, reqResult); } static void rfu_CB_defaultCallback(u8 reqCommand, u16 reqResult) { s32 bmSlotFlags; u8 i; if (reqCommand == ID_CLOCK_SLAVE_MS_CHANGE_ERROR_BY_DMA_REQ) { if (gRfuStatic->flags & 8) gRfuFixed->reqCallback(reqCommand, reqResult); bmSlotFlags = gRfuLinkStatus->connSlotFlag | gRfuLinkStatus->linkLossSlotFlag; for (i = 0; i < RFU_CHILD_MAX; ++i) if ((bmSlotFlags >> i) & 1) rfu_STC_removeLinkData(i, 1); gRfuLinkStatus->parentChild = MODE_NEUTRAL; } } u16 rfu_waitREQComplete(void) { STWI_poll_CommandEnd(); return gRfuStatic->reqResult; } void rfu_REQ_RFUStatus(void) { STWI_set_Callback_M(rfu_STC_REQ_callback); STWI_send_SystemStatusREQ(); } u16 rfu_getRFUStatus(u8 *rfuState) { if (gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket8.data[0] != 0x93) return ERR_REQ_CMD_ID; if (STWI_poll_CommandEnd() == 0) *rfuState = gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket8.data[7]; else *rfuState = 0xFF; return 0; } /* * RFU Multiboot images are loaded into IWRAM * struct RfuMbootLL * { * struct RfuLinkStatus status; * u8 filler_B4[0x3C]; * char name[10]; * u16 checksum; * } * Returns 1 if the packet to inherit is malformed. */ u16 rfu_MBOOT_CHILD_inheritanceLinkStatus(void) { const char *s1 = str_checkMbootLL; char *s2 = (char *)0x30000F0; u16 checksum; u16 *mb_buff_iwram_p; u8 i; // if (strcmp(s1, s2) != 0) return 1; while (*s1 != '\0') if (*s1++ != *s2++) return 1; mb_buff_iwram_p = (u16 *)0x3000000; // The size of struct RfuLinkStatus is 180 checksum = 0; for (i = 0; i < 180/2; ++i) checksum += *mb_buff_iwram_p++; if (checksum != *(u16 *)0x30000FA) return 1; CpuCopy16((u16 *)0x3000000, gRfuLinkStatus, sizeof(struct RfuLinkStatus)); gRfuStatic->flags |= 0x80; // mboot return 0; } void rfu_REQ_stopMode(void) { vu32 *timerReg; if (REG_IME == 0) { rfu_STC_REQ_callback(ID_STOP_MODE_REQ, 6); gSTWIStatus->error = ERR_REQ_CMD_IME_DISABLE; } else { AgbRFU_SoftReset(); rfu_STC_clearAPIVariables(); if (AgbRFU_checkID(8) == RFU_ID) { timerReg = ®_TMCNT(gSTWIStatus->timerSelect); *timerReg = 0; *timerReg = (TIMER_ENABLE | TIMER_1024CLK) << 16; while (*timerReg << 16 < 262 << 16) ; *timerReg = 0; STWI_set_Callback_M(rfu_CB_stopMode); STWI_send_StopModeREQ(); } else { REG_SIOCNT = SIO_MULTI_MODE; rfu_STC_REQ_callback(ID_STOP_MODE_REQ, 0); } } } static void rfu_CB_stopMode(u8 reqCommand, u16 reqResult) { if (reqResult == 0) REG_SIOCNT = SIO_MULTI_MODE; rfu_STC_REQ_callback(reqCommand, reqResult); } u32 rfu_REQBN_softReset_and_checkID(void) { u32 id; if (REG_IME == 0) return ERR_ID_CHECK_IME_DISABLE; AgbRFU_SoftReset(); rfu_STC_clearAPIVariables(); if ((id = AgbRFU_checkID(30)) == 0) REG_SIOCNT = SIO_MULTI_MODE; return id; } void rfu_REQ_reset(void) { STWI_set_Callback_M(rfu_CB_reset); STWI_send_ResetREQ(); } static void rfu_CB_reset(u8 reqCommand, u16 reqResult) { if (reqResult == 0) rfu_STC_clearAPIVariables(); rfu_STC_REQ_callback(reqCommand, reqResult); } void rfu_REQ_configSystem(u16 availSlotFlag, u8 maxMFrame, u8 mcTimer) { STWI_set_Callback_M(rfu_STC_REQ_callback); STWI_send_SystemConfigREQ((availSlotFlag & AVAIL_SLOT1) | 0x3C, maxMFrame, mcTimer); if (mcTimer == 0) { gRfuStatic->linkEmergencyLimit = 1; } else { u16 IMEBackup = REG_IME; REG_IME = 0; gRfuStatic->linkEmergencyLimit = Div(600, mcTimer); REG_IME = IMEBackup; } } void rfu_REQ_configGameData(u8 mbootFlag, u16 serialNo, const u8 *gname, const u8 *uname) { u8 packet[16]; u8 i; u8 check_sum; const u8 *gnameBackup = gname; const u8 *unameBackup; packet[0] = serialNo; packet[1] = serialNo >> 8; if (mbootFlag != 0) packet[1] = (serialNo >> 8) | 0x80; for (i = 2; i < 15; ++i) packet[i] = *gname++; check_sum = 0; unameBackup = uname; for (i = 0; i < 8; ++i) { check_sum += *unameBackup++; check_sum += *gnameBackup++; } packet[15] = ~check_sum; if (mbootFlag != 0) packet[14] = 0; STWI_set_Callback_M(rfu_CB_configGameData); STWI_send_GameConfigREQ(packet, uname); } static void rfu_CB_configGameData(u8 reqCommand, u16 reqResult) { s32 serialNo; u8 *gname_uname_p; u8 i; u8 *packet_p; if (reqResult == 0) { packet_p = gSTWIStatus->txPacket->rfuPacket8.data; serialNo = gRfuLinkStatus->my.serialNo = packet_p[4]; gRfuLinkStatus->my.serialNo = (packet_p[5] << 8) | serialNo; gname_uname_p = &packet_p[6]; if (gRfuLinkStatus->my.serialNo & 0x8000) { gRfuLinkStatus->my.serialNo = gRfuLinkStatus->my.serialNo ^ 0x8000; gRfuLinkStatus->my.mbootFlag = 1; } else { gRfuLinkStatus->my.mbootFlag = 0; } for (i = 0; i < RFU_GAME_NAME_LENGTH; ++i) gRfuLinkStatus->my.gname[i] = *gname_uname_p++; ++gname_uname_p; for (i = 0; i < PLAYER_NAME_LENGTH + 1; ++i) gRfuLinkStatus->my.uname[i] = *gname_uname_p++; } rfu_STC_REQ_callback(reqCommand, reqResult); } void rfu_REQ_startSearchChild(void) { u16 result; #if LIBRFU_VERSION >= 1026 u16 i; for (i = 0; i < RFU_CHILD_MAX; i++) { gRfuStatic->lsFixedCount[i] = 0; } #endif STWI_set_Callback_M(rfu_CB_defaultCallback); STWI_send_SystemStatusREQ(); result = STWI_poll_CommandEnd(); if (result == 0) { if (gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket8.data[7] == 0) rfu_STC_clearLinkStatus(MODE_PARENT); } else { rfu_STC_REQ_callback(ID_SC_START_REQ, result); } STWI_set_Callback_M(rfu_CB_startSearchChild); STWI_send_SC_StartREQ(); } static void rfu_CB_startSearchChild(u8 reqCommand, u16 reqResult) { if (reqResult == 0) gRfuStatic->SCStartFlag = 1; rfu_STC_REQ_callback(reqCommand, reqResult); } static void rfu_STC_clearLinkStatus(u8 parentChild) { u8 i; rfu_clearAllSlot(); if (parentChild != MODE_CHILD) { CpuFill16(0, gRfuLinkStatus->partner, sizeof(gRfuLinkStatus->partner)); gRfuLinkStatus->findParentCount = 0; } for (i = 0; i < RFU_CHILD_MAX; ++i) gRfuLinkStatus->strength[i] = 0; gRfuLinkStatus->connCount = 0; gRfuLinkStatus->connSlotFlag = 0; gRfuLinkStatus->linkLossSlotFlag = 0; gRfuLinkStatus->getNameFlag = 0; } void rfu_REQ_pollSearchChild(void) { STWI_set_Callback_M(rfu_CB_pollAndEndSearchChild); STWI_send_SC_PollingREQ(); } void rfu_REQ_endSearchChild(void) { STWI_set_Callback_M(rfu_CB_pollAndEndSearchChild); STWI_send_SC_EndREQ(); } static void rfu_CB_pollAndEndSearchChild(u8 reqCommand, u16 reqResult) { if (reqResult == 0) rfu_STC_readChildList(); if (reqCommand == ID_SC_POLL_REQ) { if (gRfuLinkStatus->my.id == 0) { STWI_set_Callback_M(rfu_CB_defaultCallback); STWI_send_SystemStatusREQ(); if (STWI_poll_CommandEnd() == 0) gRfuLinkStatus->my.id = *(u16 *)&gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket32.data[0]; } } else if (reqCommand == ID_SC_END_REQ) { if (gRfuLinkStatus->parentChild == MODE_NEUTRAL) gRfuLinkStatus->my.id = 0; gRfuStatic->SCStartFlag = 0; } rfu_STC_REQ_callback(reqCommand, reqResult); } static void rfu_STC_readChildList(void) { u32 stwiParam; u8 numSlots = gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket8.data[1]; u8 *data_p; u8 i; u8 bm_slot_id; #if LIBRFU_VERSION < 1026 u8 true_slots[RFU_CHILD_MAX]; #endif #if LIBRFU_VERSION < 1026 if (numSlots != 0) { stwiParam = gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket32.data[0]; STWI_set_Callback_M(rfu_CB_defaultCallback); STWI_send_LinkStatusREQ(); if (STWI_poll_CommandEnd() == 0) { data_p = &gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket8.data[4]; for (i = 0; i < RFU_CHILD_MAX; ++i) true_slots[i] = *data_p++; } gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket32.data[0] = stwiParam; } #endif for (data_p = &gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket8.data[4]; numSlots != 0; data_p += 4) { bm_slot_id = data_p[2]; if (bm_slot_id < RFU_CHILD_MAX && !((gRfuLinkStatus->connSlotFlag >> bm_slot_id) & 1) && !((gRfuLinkStatus->linkLossSlotFlag >> bm_slot_id) & 1)) { #if LIBRFU_VERSION < 1026 if (true_slots[bm_slot_id] != 0) ++gRfuStatic->lsFixedCount[bm_slot_id]; if (gRfuStatic->lsFixedCount[bm_slot_id] >= 4) { gRfuStatic->lsFixedCount[bm_slot_id] = 0; gRfuLinkStatus->strength[bm_slot_id] = 255; gRfuLinkStatus->connSlotFlag |= 1 << bm_slot_id; ++gRfuLinkStatus->connCount; gRfuLinkStatus->partner[bm_slot_id].id = *(u16 *)data_p; gRfuLinkStatus->partner[bm_slot_id].slot = bm_slot_id; gRfuLinkStatus->parentChild = MODE_PARENT; gRfuStatic->flags &= 0x7F; gRfuStatic->cidBak[bm_slot_id] = gRfuLinkStatus->partner[bm_slot_id].id; } #else gRfuStatic->lsFixedCount[bm_slot_id] = 0xF0; gRfuLinkStatus->strength[bm_slot_id] = 16; gRfuLinkStatus->connSlotFlag |= 1 << bm_slot_id; ++gRfuLinkStatus->connCount; gRfuLinkStatus->partner[bm_slot_id].id = *(u16 *)data_p; gRfuLinkStatus->partner[bm_slot_id].slot = bm_slot_id; gRfuLinkStatus->parentChild = MODE_PARENT; gRfuStatic->flags &= 0x7F; gRfuStatic->cidBak[bm_slot_id] = gRfuLinkStatus->partner[bm_slot_id].id; #endif } --numSlots; } } void rfu_REQ_startSearchParent(void) { STWI_set_Callback_M(rfu_CB_startSearchParent); STWI_send_SP_StartREQ(); } static void rfu_CB_startSearchParent(u8 reqCommand, u16 reqResult) { if (reqResult == 0) rfu_STC_clearLinkStatus(MODE_CHILD); rfu_STC_REQ_callback(reqCommand, reqResult); } void rfu_REQ_pollSearchParent(void) { STWI_set_Callback_M(rfu_CB_pollSearchParent); STWI_send_SP_PollingREQ(); } static void rfu_CB_pollSearchParent(u8 reqCommand, u16 reqResult) { if (reqResult == 0) rfu_STC_readParentCandidateList(); rfu_STC_REQ_callback(reqCommand, reqResult); } void rfu_REQ_endSearchParent(void) { STWI_set_Callback_M(rfu_STC_REQ_callback); STWI_send_SP_EndREQ(); } static void rfu_STC_readParentCandidateList(void) { u8 numSlots, i, check_sum, my_check_sum, j; u8 *uname_p, *packet_p; struct RfuTgtData *target; CpuFill16(0, gRfuLinkStatus->partner, sizeof(gRfuLinkStatus->partner)); packet_p = &gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket8.data[0]; numSlots = packet_p[1]; packet_p += 4; gRfuLinkStatus->findParentCount = 0; for (i = 0; i < RFU_CHILD_MAX && numSlots != 0; ++i) { numSlots -= 7; uname_p = packet_p + 6; packet_p += 19; check_sum = ~*packet_p; ++packet_p; my_check_sum = 0; for (j = 0; j < 8; ++j) { my_check_sum += *packet_p++; my_check_sum += *uname_p++; } if (my_check_sum == check_sum) { packet_p -= 28; target = &gRfuLinkStatus->partner[gRfuLinkStatus->findParentCount]; target->id = *(u16 *)packet_p; packet_p += 2; target->slot = *packet_p; packet_p += 2; target->serialNo = *(u16 *)packet_p & 0x7FFF; if (*(u16 *)packet_p & 0x8000) target->mbootFlag = 1; else target->mbootFlag = 0; packet_p += 2; for (j = 0; j < RFU_GAME_NAME_LENGTH; ++j) target->gname[j] = *packet_p++; ++packet_p; for (j = 0; j < PLAYER_NAME_LENGTH + 1; ++j) target->uname[j] = *packet_p++; ++gRfuLinkStatus->findParentCount; } } } void rfu_REQ_startConnectParent(u16 pid) { u16 result = 0; u8 i; for (i = 0; i < RFU_CHILD_MAX && gRfuLinkStatus->partner[i].id != pid; ++i) ; if (i == RFU_CHILD_MAX) result = ERR_PID_NOT_FOUND; if (result == 0) { gRfuStatic->tryPid = pid; STWI_set_Callback_M(rfu_STC_REQ_callback); STWI_send_CP_StartREQ(pid); } else { rfu_STC_REQ_callback(ID_CP_START_REQ, result); } } void rfu_REQ_pollConnectParent(void) { STWI_set_Callback_M(rfu_CB_pollConnectParent); STWI_send_CP_PollingREQ(); } static void rfu_CB_pollConnectParent(u8 reqCommand, u16 reqResult) { u16 id; u8 slot; u8 bm_slot_flag, i; struct RfuTgtData *target_p; struct RfuTgtData target_local; if (reqResult == 0) { id = gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket32.data[0]; slot = gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket8.data[6]; if (gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket8.data[7] == 0) { bm_slot_flag = 1 << slot; if (!(bm_slot_flag & gRfuLinkStatus->connSlotFlag)) { gRfuLinkStatus->connSlotFlag |= bm_slot_flag; gRfuLinkStatus->linkLossSlotFlag &= ~bm_slot_flag; gRfuLinkStatus->my.id = id; ++gRfuLinkStatus->connCount; gRfuLinkStatus->parentChild = MODE_CHILD; gRfuStatic->flags |= 0x80; for (i = 0; i < RFU_CHILD_MAX; ++i) { if (gRfuLinkStatus->partner[i].id == gRfuStatic->tryPid) { if (gRfuLinkStatus->findParentCount != 0) { target_p = &target_local; CpuCopy16(&gRfuLinkStatus->partner[i], &target_local, sizeof(struct RfuTgtData)); CpuFill16(0, gRfuLinkStatus->partner, sizeof(gRfuLinkStatus->partner)); gRfuLinkStatus->findParentCount = 0; } else { target_p = &gRfuLinkStatus->partner[i]; } break; } } if (i < RFU_CHILD_MAX) { CpuCopy16(target_p, &gRfuLinkStatus->partner[slot], sizeof(struct RfuTgtData)); gRfuLinkStatus->partner[slot].slot = slot; } } } } rfu_STC_REQ_callback(reqCommand, reqResult); } u16 rfu_getConnectParentStatus(u8 *status, u8 *connectSlotNo) { u8 *packet_p; *status = 0xFF; packet_p = gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket8.data; if (packet_p[0] == 0xa0 || packet_p[0] == 0xa1) { packet_p += 6; *connectSlotNo = packet_p[0]; *status = packet_p[1]; return 0; } return ERR_REQ_CMD_ID; } void rfu_REQ_endConnectParent(void) { STWI_set_Callback_M(rfu_CB_pollConnectParent); STWI_send_CP_EndREQ(); if (gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket8.data[6] < 4) gRfuStatic->linkEmergencyFlag[gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket8.data[6]] = 0; } u16 rfu_syncVBlank(void) { u8 masterSlave, i; s32 bmSlotFlag; rfu_NI_checkCommFailCounter(); if (gRfuLinkStatus->parentChild == MODE_NEUTRAL) return 0; if (gRfuStatic->nowWatchInterval != 0) --gRfuStatic->nowWatchInterval; masterSlave = rfu_getMasterSlave(); if (!(gRfuStatic->flags & 2)) { if (masterSlave == AGB_CLK_SLAVE) { gRfuStatic->flags |= 4; gRfuStatic->watchdogTimer = 360; } } else if (masterSlave != AGB_CLK_SLAVE) { gRfuStatic->flags &= 0xFB; } if (masterSlave != AGB_CLK_SLAVE) gRfuStatic->flags &= 0xFD; else gRfuStatic->flags |= 2; if (!(gRfuStatic->flags & 4)) return 0; if (gRfuStatic->watchdogTimer == 0) { gRfuStatic->flags &= 0xFB; bmSlotFlag = gRfuLinkStatus->connSlotFlag | gRfuLinkStatus->linkLossSlotFlag; for (i = 0; i < RFU_CHILD_MAX; ++i) if ((bmSlotFlag >> i) & 1) rfu_STC_removeLinkData(i, 1); gRfuLinkStatus->parentChild = MODE_NEUTRAL; return 1; } --gRfuStatic->watchdogTimer; return 0; } u16 rfu_REQBN_watchLink(u16 reqCommandId, u8 *bmLinkLossSlot, u8 *linkLossReason, u8 *parentBmLinkRecoverySlot) { u8 reasonMaybe = 0; u8 reqResult = 0; u8 i; s32 stwiCommand, stwiParam; u8 *packet_p; u8 to_req_disconnect, newLinkLossFlag, num_packets, connSlotFlag, to_disconnect; *bmLinkLossSlot = 0; *linkLossReason = REASON_DISCONNECTED; *parentBmLinkRecoverySlot = 0; if (gRfuLinkStatus->parentChild == MODE_NEUTRAL || gSTWIStatus->msMode == 0) return 0; if (gRfuStatic->flags & 4) gRfuStatic->watchdogTimer = 360; if (gRfuStatic->nowWatchInterval == 0) { #if LIBRFU_VERSION < 1026 gRfuStatic->nowWatchInterval = gRfuLinkStatus->watchInterval; #else gRfuStatic->nowWatchInterval = 4; #endif reasonMaybe = 1; } if ((u8)reqCommandId == ID_DISCONNECTED_AND_CHANGE_REQ) { u8 *packet_p_2 = gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket8.data; *bmLinkLossSlot = packet_p_2[4]; *linkLossReason = packet_p_2[5]; if (*linkLossReason == REASON_LINK_LOSS) *bmLinkLossSlot = gRfuLinkStatus->connSlotFlag; reasonMaybe = 2; } else { if (reqCommandId == 0x0136) { newLinkLossFlag = gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket8.data[5]; newLinkLossFlag ^= gRfuLinkStatus->connSlotFlag; *bmLinkLossSlot = newLinkLossFlag & gRfuLinkStatus->connSlotFlag; *linkLossReason = REASON_LINK_LOSS; for (i = 0; i < RFU_CHILD_MAX; ++i) { if ((*bmLinkLossSlot >> i) & 1) { gRfuLinkStatus->strength[i] = 0; rfu_STC_removeLinkData(i, 0); } } } if (reasonMaybe == 0) return 0; } stwiCommand = gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket32.command; stwiParam = gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket32.data[0]; STWI_set_Callback_M(rfu_CB_defaultCallback); STWI_send_LinkStatusREQ(); reqResult = STWI_poll_CommandEnd(); if (reqResult == 0) { packet_p = &gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket8.data[4]; for (i = 0; i < RFU_CHILD_MAX; ++i) gRfuLinkStatus->strength[i] = *packet_p++; to_req_disconnect = 0; i = 0; } else { rfu_STC_REQ_callback(ID_LINK_STATUS_REQ, reqResult); return reqResult; } for (; i < RFU_CHILD_MAX; ++i) { #if LIBRFU_VERSION >= 1026 if (gRfuStatic->lsFixedCount[i] != 0) { gRfuStatic->lsFixedCount[i] -= 4; if (gRfuLinkStatus->strength[i] <= 15) gRfuLinkStatus->strength[i] = 16; } #endif newLinkLossFlag = 1 << i; if (reqResult == 0) { if (reasonMaybe == 1 && (gRfuLinkStatus->connSlotFlag & newLinkLossFlag)) { if (gRfuLinkStatus->strength[i] == 0) { if (gRfuLinkStatus->parentChild == MODE_PARENT) { ++gRfuStatic->linkEmergencyFlag[i]; if (gRfuStatic->linkEmergencyFlag[i] > 3) { *bmLinkLossSlot |= newLinkLossFlag; *linkLossReason = REASON_LINK_LOSS; } } else { STWI_send_SystemStatusREQ(); if (STWI_poll_CommandEnd() == 0) { if (gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket8.data[7] == 0) { *bmLinkLossSlot |= newLinkLossFlag; *linkLossReason = REASON_LINK_LOSS; } else { if (++gRfuStatic->linkEmergencyFlag[i] > gRfuStatic->linkEmergencyLimit) { gRfuStatic->linkEmergencyFlag[i] = 0; STWI_send_DisconnectREQ(gRfuLinkStatus->connSlotFlag); STWI_poll_CommandEnd(); *bmLinkLossSlot |= newLinkLossFlag; *linkLossReason = REASON_LINK_LOSS; } } } } } else { gRfuStatic->linkEmergencyFlag[i] = 0; } } if (gRfuLinkStatus->parentChild == MODE_PARENT && gRfuLinkStatus->strength[i] != 0) { if (newLinkLossFlag & gRfuLinkStatus->linkLossSlotFlag) { if (gRfuLinkStatus->strength[i] > 10) { *parentBmLinkRecoverySlot |= newLinkLossFlag; gRfuLinkStatus->connSlotFlag |= newLinkLossFlag; gRfuLinkStatus->linkLossSlotFlag &= ~newLinkLossFlag; ++gRfuLinkStatus->connCount; gRfuStatic->linkEmergencyFlag[i] = 0; } else { gRfuLinkStatus->strength[i] = 0; } } else { if (!((gRfuLinkStatus->connSlotFlag | gRfuLinkStatus->linkLossSlotFlag) & newLinkLossFlag)) { STWI_send_SlotStatusREQ(); STWI_poll_CommandEnd(); packet_p = gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket8.data; num_packets = packet_p[1] - 1; for (packet_p += 8; num_packets != 0; packet_p += 4, --num_packets) { u16 cid = *(u16 *)packet_p; if (packet_p[2] == i && cid == gRfuStatic->cidBak[i]) { to_req_disconnect |= 1 << i; break; } } } } } } connSlotFlag = gRfuLinkStatus->connSlotFlag; to_disconnect = *bmLinkLossSlot; to_disconnect &= connSlotFlag; if (newLinkLossFlag & to_disconnect) rfu_STC_removeLinkData(i, 0); } if (to_req_disconnect != 0) { STWI_send_DisconnectREQ(to_req_disconnect); STWI_poll_CommandEnd(); } // equivalent to: // gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket32.command = stwiCommand; *(u32 *)gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket8.data = stwiCommand; gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket32.data[0] = stwiParam; return 0; } static void rfu_STC_removeLinkData(u8 bmConnectedPartnerId, u8 bmDisconnect) { u8 bmLinkLossFlag = 1 << bmConnectedPartnerId; s32 bmLinkRetainedFlag; #if LIBRFU_VERSION >= 1026 gRfuStatic->lsFixedCount[bmConnectedPartnerId] = 0; #endif if ((gRfuLinkStatus->connSlotFlag & bmLinkLossFlag) && gRfuLinkStatus->connCount != 0) --gRfuLinkStatus->connCount; gRfuLinkStatus->connSlotFlag &= bmLinkRetainedFlag = ~bmLinkLossFlag; gRfuLinkStatus->linkLossSlotFlag |= bmLinkLossFlag; if (gRfuLinkStatus->parentChild == MODE_CHILD && gRfuLinkStatus->connSlotFlag == 0) gRfuLinkStatus->parentChild = MODE_NEUTRAL; if (bmDisconnect) { CpuFill16(0, &gRfuLinkStatus->partner[bmConnectedPartnerId], sizeof(struct RfuTgtData)); gRfuLinkStatus->linkLossSlotFlag &= bmLinkRetainedFlag; gRfuLinkStatus->getNameFlag &= bmLinkRetainedFlag; gRfuLinkStatus->strength[bmConnectedPartnerId] = 0; } } void rfu_REQ_disconnect(u8 bmDisconnectSlot) { u16 result; if ((gRfuLinkStatus->connSlotFlag | gRfuLinkStatus->linkLossSlotFlag) & bmDisconnectSlot) { gRfuStatic->recoveryBmSlot = bmDisconnectSlot; if (gRfuLinkStatus->parentChild == MODE_NEUTRAL && gRfuStatic->flags & 0x80) { if (gRfuLinkStatus->linkLossSlotFlag & bmDisconnectSlot) rfu_CB_disconnect(48, 0); } else if (gRfuStatic->SCStartFlag && (STWI_set_Callback_M(rfu_CB_defaultCallback), STWI_send_SC_EndREQ(), (result = STWI_poll_CommandEnd()) != 0)) { rfu_STC_REQ_callback(ID_SC_END_REQ, result); } else { STWI_set_Callback_M(rfu_CB_disconnect); STWI_send_DisconnectREQ(bmDisconnectSlot); } } } static void rfu_CB_disconnect(u8 reqCommand, u16 reqResult) { u8 i, bm_slot_flag; if (reqResult == 3 && gRfuLinkStatus->parentChild == MODE_CHILD) { STWI_set_Callback_M(rfu_CB_defaultCallback); STWI_send_SystemStatusREQ(); if (STWI_poll_CommandEnd() == 0 && gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket8.data[7] == 0) reqResult = 0; } gRfuStatic->recoveryBmSlot &= gRfuLinkStatus->connSlotFlag | gRfuLinkStatus->linkLossSlotFlag; gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket8.data[8] = gRfuStatic->recoveryBmSlot; if (reqResult == 0) { for (i = 0; i < RFU_CHILD_MAX; ++i) { bm_slot_flag = 1 << i; if (bm_slot_flag & gRfuStatic->recoveryBmSlot) rfu_STC_removeLinkData(i, 1); } } if ((gRfuLinkStatus->connSlotFlag | gRfuLinkStatus->linkLossSlotFlag) == 0) gRfuLinkStatus->parentChild = MODE_NEUTRAL; rfu_STC_REQ_callback(reqCommand, reqResult); if (gRfuStatic->SCStartFlag) { STWI_set_Callback_M(rfu_CB_defaultCallback); STWI_send_SC_StartREQ(); reqResult = STWI_poll_CommandEnd(); if (reqResult != 0) rfu_STC_REQ_callback(ID_SC_START_REQ, reqResult); } } void rfu_REQ_CHILD_startConnectRecovery(u8 bmRecoverySlot) { u8 i; gRfuStatic->recoveryBmSlot = bmRecoverySlot; for (i = 0; i < RFU_CHILD_MAX && !((bmRecoverySlot >> i) & 1); ++i) ; STWI_set_Callback_M(rfu_STC_REQ_callback); // if i == 4, gRfuLinkStatus->partner[i].id becomes gRfuLinkStatus->my.id STWI_send_CPR_StartREQ(gRfuLinkStatus->partner[i].id, gRfuLinkStatus->my.id, bmRecoverySlot); } void rfu_REQ_CHILD_pollConnectRecovery(void) { STWI_set_Callback_M(rfu_CB_CHILD_pollConnectRecovery); STWI_send_CPR_PollingREQ(); } static void rfu_CB_CHILD_pollConnectRecovery(u8 reqCommand, u16 reqResult) { u8 bm_slot_flag, i; struct RfuLinkStatus *rfuLinkStatus; if (reqResult == 0 && gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket8.data[4] == 0 && gRfuStatic->recoveryBmSlot) { gRfuLinkStatus->parentChild = MODE_CHILD; for (i = 0; i < RFU_CHILD_MAX; ++i) { bm_slot_flag = 1 << i; rfuLinkStatus = gRfuLinkStatus; // ??? if (gRfuStatic->recoveryBmSlot & bm_slot_flag & rfuLinkStatus->linkLossSlotFlag) { gRfuLinkStatus->connSlotFlag |= bm_slot_flag; gRfuLinkStatus->linkLossSlotFlag &= ~bm_slot_flag; ++gRfuLinkStatus->connCount; gRfuStatic->linkEmergencyFlag[i] = 0; } } gRfuStatic->recoveryBmSlot = 0; } rfu_STC_REQ_callback(reqCommand, reqResult); } u16 rfu_CHILD_getConnectRecoveryStatus(u8 *status) { *status = 0xFF; if (gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket8.data[0] == 0xB3 || gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket8.data[0] == 0xB4) { *status = gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket8.data[4]; return 0; } return ERR_REQ_CMD_ID; } void rfu_REQ_CHILD_endConnectRecovery(void) { STWI_set_Callback_M(rfu_CB_CHILD_pollConnectRecovery); STWI_send_CPR_EndREQ(); } static void rfu_STC_fastCopy(const u8 **src_p, u8 **dst_p, s32 size) { const u8 *src = *src_p; u8 *dst = *dst_p; s32 i; for (i = size - 1; i != -1; --i) *dst++ = *src++; *src_p = src; *dst_p = dst; } void rfu_REQ_changeMasterSlave(void) { if (STWI_read_status(1) == AGB_CLK_MASTER) { STWI_set_Callback_M(rfu_STC_REQ_callback); STWI_send_MS_ChangeREQ(); } else { rfu_STC_REQ_callback(ID_MS_CHANGE_REQ, 0); } } bool8 rfu_getMasterSlave(void) { bool8 masterSlave = STWI_read_status(1); if (masterSlave == AGB_CLK_MASTER) { if (gSTWIStatus->sending) { if (gSTWIStatus->reqActiveCommand == ID_MS_CHANGE_REQ || gSTWIStatus->reqActiveCommand == ID_DATA_TX_AND_CHANGE_REQ || gSTWIStatus->reqActiveCommand == ID_RESUME_RETRANSMIT_AND_CHANGE_REQ) masterSlave = AGB_CLK_SLAVE; } } return masterSlave; } void rfu_clearAllSlot(void) { u16 i; u16 IMEBackup = REG_IME; REG_IME = 0; for (i = 0; i < RFU_CHILD_MAX; ++i) { CpuFill16(0, gRfuSlotStatusNI[i], 2 * sizeof(struct NIComm)); CpuFill16(0, gRfuSlotStatusUNI[i], sizeof(struct UNISend) + sizeof(struct UNIRecv)); gRfuLinkStatus->remainLLFrameSizeChild[i] = 16; } gRfuLinkStatus->remainLLFrameSizeParent = LLF_P_SIZE; gRfuLinkStatus->sendSlotNIFlag = 0; gRfuLinkStatus->recvSlotNIFlag = 0; gRfuLinkStatus->sendSlotUNIFlag = 0; gRfuStatic->recvRenewalFlag = 0; REG_IME = IMEBackup; } static void rfu_STC_releaseFrame(u8 bm_slot_id, u8 send_recv, struct NIComm *NI_comm) { if (!(gRfuStatic->flags & 0x80)) { if (send_recv == 0) gRfuLinkStatus->remainLLFrameSizeParent += NI_comm->payloadSize; gRfuLinkStatus->remainLLFrameSizeParent += 3; } else { if (send_recv == 0) gRfuLinkStatus->remainLLFrameSizeChild[bm_slot_id] += NI_comm->payloadSize; gRfuLinkStatus->remainLLFrameSizeChild[bm_slot_id] += 2; } } u16 rfu_clearSlot(u8 connTypeFlag, u8 slotStatusIndex) { u16 imeBak, send_recv, i; struct NIComm *NI_comm; if (slotStatusIndex >= RFU_CHILD_MAX) return ERR_SLOT_NO; if (!(connTypeFlag & (TYPE_UNI_SEND | TYPE_UNI_RECV | TYPE_NI_SEND | TYPE_NI_RECV))) return ERR_COMM_TYPE; imeBak = REG_IME; REG_IME = 0; if (connTypeFlag & (TYPE_NI_SEND | TYPE_NI_RECV)) { for (send_recv = 0; send_recv < 2; ++send_recv) { NI_comm = NULL; if (send_recv == 0) { if (connTypeFlag & TYPE_NI_SEND) { NI_comm = &gRfuSlotStatusNI[slotStatusIndex]->send; gRfuLinkStatus->sendSlotNIFlag &= ~NI_comm->bmSlotOrg; } } else { if (connTypeFlag & TYPE_NI_RECV) { NI_comm = &gRfuSlotStatusNI[slotStatusIndex]->recv; gRfuLinkStatus->recvSlotNIFlag &= ~(1 << slotStatusIndex); } } if (NI_comm != NULL) { if (NI_comm->state & SLOT_BUSY_FLAG) { rfu_STC_releaseFrame(slotStatusIndex, send_recv, NI_comm); for (i = 0; i < RFU_CHILD_MAX; ++i) if ((NI_comm->bmSlotOrg >> i) & 1) NI_comm->failCounter = 0; } CpuFill16(0, NI_comm, sizeof(struct NIComm)); } } } if (connTypeFlag & TYPE_UNI_SEND) { struct RfuSlotStatusUNI *slotStatusUNI = gRfuSlotStatusUNI[slotStatusIndex]; if (slotStatusUNI->send.state & SLOT_BUSY_FLAG) { if (!(gRfuStatic->flags & 0x80)) gRfuLinkStatus->remainLLFrameSizeParent += 3 + (u8)slotStatusUNI->send.payloadSize; else gRfuLinkStatus->remainLLFrameSizeChild[slotStatusIndex] += 2 + (u8)slotStatusUNI->send.payloadSize; gRfuLinkStatus->sendSlotUNIFlag &= ~slotStatusUNI->send.bmSlot; } CpuFill16(0, &slotStatusUNI->send, sizeof(struct UNISend)); } if (connTypeFlag & TYPE_UNI_RECV) { CpuFill16(0, &gRfuSlotStatusUNI[slotStatusIndex]->recv, sizeof(struct UNIRecv)); } REG_IME = imeBak; return 0; } u16 rfu_setRecvBuffer(u8 connType, u8 slotNo, void *buffer, u32 buffSize) { if (slotNo >= RFU_CHILD_MAX) return ERR_SLOT_NO; if (connType & TYPE_NI) { gRfuSlotStatusNI[slotNo]->recvBuffer = buffer; gRfuSlotStatusNI[slotNo]->recvBufferSize = buffSize; } else if (!(connType & TYPE_UNI)) { return ERR_COMM_TYPE; } else { gRfuSlotStatusUNI[slotNo]->recvBuffer = buffer; gRfuSlotStatusUNI[slotNo]->recvBufferSize = buffSize; } return 0; } u16 rfu_NI_setSendData(u8 bmSendSlot, u8 subFrameSize, const void *src, u32 size) { return rfu_STC_setSendData_org(32, bmSendSlot, subFrameSize, src, size); } u16 rfu_UNI_setSendData(u8 bmSendSlot, const void *src, u8 size) { u8 subFrameSize; if (gRfuLinkStatus->parentChild == MODE_PARENT) subFrameSize = size + 3; else subFrameSize = size + 2; return rfu_STC_setSendData_org(16, bmSendSlot, subFrameSize, src, 0); } u16 rfu_NI_CHILD_setSendGameName(u8 slotNo, u8 subFrameSize) { return rfu_STC_setSendData_org(64, 1 << slotNo, subFrameSize, &gRfuLinkStatus->my.serialNo, 26); } static u16 rfu_STC_setSendData_org(u8 ni_or_uni, u8 bmSendSlot, u8 subFrameSize, const void *src, u32 dataSize) { u8 bm_slot_id, sendSlotFlag; u8 frameSize; u8 *llFrameSize_p; u8 sending; u8 i; u16 imeBak; struct RfuSlotStatusUNI *slotStatus_UNI; struct RfuSlotStatusNI *slotStatus_NI; if (gRfuLinkStatus->parentChild == MODE_NEUTRAL) return ERR_MODE_NOT_CONNECTED; if (!(bmSendSlot & 0xF)) return ERR_SLOT_NO; if (((gRfuLinkStatus->connSlotFlag | gRfuLinkStatus->linkLossSlotFlag) & bmSendSlot) != bmSendSlot) return ERR_SLOT_NOT_CONNECTED; if (ni_or_uni & 0x10) sendSlotFlag = gRfuLinkStatus->sendSlotUNIFlag; else sendSlotFlag = gRfuLinkStatus->sendSlotNIFlag; if (sendSlotFlag & bmSendSlot) return ERR_SLOT_BUSY; for (bm_slot_id = 0; bm_slot_id < RFU_CHILD_MAX && !((bmSendSlot >> bm_slot_id) & 1); ++bm_slot_id) ; if (gRfuLinkStatus->parentChild == MODE_PARENT) llFrameSize_p = &gRfuLinkStatus->remainLLFrameSizeParent; else if (gRfuLinkStatus->parentChild == MODE_CHILD) llFrameSize_p = &gRfuLinkStatus->remainLLFrameSizeChild[bm_slot_id]; frameSize = llsf_struct[gRfuLinkStatus->parentChild].frameSize; if (subFrameSize > *llFrameSize_p || subFrameSize <= frameSize) return ERR_SUBFRAME_SIZE; imeBak = REG_IME; REG_IME = 0; sending = ni_or_uni & 0x20; if (sending || ni_or_uni == 0x40) { slotStatus_NI = gRfuSlotStatusNI[bm_slot_id]; slotStatus_UNI = NULL; slotStatus_NI->send.errorCode = 0; slotStatus_NI->send.now_p[0] = &slotStatus_NI->send.dataType; slotStatus_NI->send.remainSize = 7; slotStatus_NI->send.bmSlotOrg = bmSendSlot; slotStatus_NI->send.bmSlot = bmSendSlot; slotStatus_NI->send.payloadSize = subFrameSize - frameSize; if (sending != 0) slotStatus_NI->send.dataType = 0; else slotStatus_NI->send.dataType = 1; slotStatus_NI->send.dataSize = dataSize; slotStatus_NI->send.src = src; slotStatus_NI->send.ack = 0; slotStatus_NI->send.phase = 0; for (i = 0; i < WINDOW_COUNT; ++i) { slotStatus_NI->send.recvAckFlag[i] = 0; slotStatus_NI->send.n[i] = 1; } for (bm_slot_id = 0; bm_slot_id < RFU_CHILD_MAX; ++bm_slot_id) { do { if ((bmSendSlot >> bm_slot_id) & 1) gRfuSlotStatusNI[bm_slot_id]->send.failCounter = 0; } while (0); } gRfuLinkStatus->sendSlotNIFlag |= bmSendSlot; *llFrameSize_p -= subFrameSize; slotStatus_NI->send.state = SLOT_STATE_SEND_START; } else if (ni_or_uni & 0x10) { slotStatus_UNI = gRfuSlotStatusUNI[bm_slot_id]; slotStatus_UNI->send.bmSlot = bmSendSlot; slotStatus_UNI->send.src = src; slotStatus_UNI->send.payloadSize = subFrameSize - frameSize; *llFrameSize_p -= subFrameSize; slotStatus_UNI->send.state = SLOT_STATE_SEND_UNI; gRfuLinkStatus->sendSlotUNIFlag |= bmSendSlot; } REG_IME = imeBak; return 0; } u16 rfu_changeSendTarget(u8 connType, u8 slotStatusIndex, u8 bmNewTgtSlot) { struct RfuSlotStatusNI *slotStatusNI; u16 imeBak; u8 i; if (slotStatusIndex >= RFU_CHILD_MAX) return ERR_SLOT_NO; if (connType == 0x20) { slotStatusNI = gRfuSlotStatusNI[slotStatusIndex]; if ((slotStatusNI->send.state & SLOT_BUSY_FLAG) && (slotStatusNI->send.state & SLOT_SEND_FLAG)) { connType = bmNewTgtSlot ^ slotStatusNI->send.bmSlot; if (!(connType & bmNewTgtSlot)) { if (connType) { imeBak = REG_IME; REG_IME = 0; for (i = 0; i < RFU_CHILD_MAX; ++i) { if ((connType >> i) & 1) gRfuSlotStatusNI[i]->send.failCounter = 0; } gRfuLinkStatus->sendSlotNIFlag &= ~connType; slotStatusNI->send.bmSlot = bmNewTgtSlot; if (slotStatusNI->send.bmSlot == 0) { rfu_STC_releaseFrame(slotStatusIndex, 0, &slotStatusNI->send); slotStatusNI->send.state = SLOT_STATE_SEND_FAILED; } REG_IME = imeBak; } } else { return ERR_SLOT_TARGET; } } else { return ERR_SLOT_NOT_SENDING; } } else { if (connType == 16) { s32 bmSlot; if (gRfuSlotStatusUNI[slotStatusIndex]->send.state != SLOT_STATE_SEND_UNI) return ERR_SLOT_NOT_SENDING; for (bmSlot = 0, i = 0; i < RFU_CHILD_MAX; ++i) if (i != slotStatusIndex) bmSlot |= gRfuSlotStatusUNI[i]->send.bmSlot; if (bmNewTgtSlot & bmSlot) return ERR_SLOT_TARGET; imeBak = REG_IME; REG_IME = 0; gRfuLinkStatus->sendSlotUNIFlag &= ~gRfuSlotStatusUNI[slotStatusIndex]->send.bmSlot; gRfuLinkStatus->sendSlotUNIFlag |= bmNewTgtSlot; gRfuSlotStatusUNI[slotStatusIndex]->send.bmSlot = bmNewTgtSlot; REG_IME = imeBak; } else { return ERR_COMM_TYPE; } } return 0; } u16 rfu_NI_stopReceivingData(u8 slotStatusIndex) { u16 imeBak; struct NIComm *NI_comm; if (slotStatusIndex >= RFU_CHILD_MAX) return ERR_SLOT_NO; NI_comm = &gRfuSlotStatusNI[slotStatusIndex]->recv; imeBak = REG_IME; REG_IME = 0; if (NI_comm->state & SLOT_BUSY_FLAG) { if (NI_comm->state == SLOT_STATE_RECV_LAST) NI_comm->state = SLOT_STATE_RECV_SUCCESS_AND_SENDSIDE_UNKNOWN; else NI_comm->state = SLOT_STATE_RECV_FAILED; gRfuLinkStatus->recvSlotNIFlag &= ~(1 << slotStatusIndex); rfu_STC_releaseFrame(slotStatusIndex, 1, NI_comm); } REG_IME = imeBak; return 0; } u16 rfu_UNI_changeAndReadySendData(u8 slotStatusIndex, const void *src, u8 size) { struct UNISend *UNI_send; u8 *frame_p; u16 imeBak; u8 frameEnd; if (slotStatusIndex >= RFU_CHILD_MAX) return ERR_SLOT_NO; UNI_send = &gRfuSlotStatusUNI[slotStatusIndex]->send; if (UNI_send->state != SLOT_STATE_SEND_UNI) return ERR_SLOT_NOT_SENDING; if (gRfuLinkStatus->parentChild == MODE_PARENT) { frame_p = &gRfuLinkStatus->remainLLFrameSizeParent; frameEnd = gRfuLinkStatus->remainLLFrameSizeParent + (u8)UNI_send->payloadSize; } else { frame_p = &gRfuLinkStatus->remainLLFrameSizeChild[slotStatusIndex]; frameEnd = gRfuLinkStatus->remainLLFrameSizeChild[slotStatusIndex] + (u8)UNI_send->payloadSize; } if (frameEnd < size) return ERR_SUBFRAME_SIZE; imeBak = REG_IME; REG_IME = 0; UNI_send->src = src; *frame_p = frameEnd - size; UNI_send->payloadSize = size; UNI_send->dataReadyFlag = 1; REG_IME = imeBak; return 0; } void rfu_UNI_readySendData(u8 slotStatusIndex) { if (slotStatusIndex < RFU_CHILD_MAX) { if (gRfuSlotStatusUNI[slotStatusIndex]->send.state == SLOT_STATE_SEND_UNI) gRfuSlotStatusUNI[slotStatusIndex]->send.dataReadyFlag = 1; } } void rfu_UNI_clearRecvNewDataFlag(u8 slotStatusIndex) { if (slotStatusIndex < RFU_CHILD_MAX) gRfuSlotStatusUNI[slotStatusIndex]->recv.newDataFlag = 0; } void rfu_REQ_sendData(bool8 clockChangeFlag) { if (gRfuLinkStatus->parentChild != MODE_NEUTRAL) { if (gRfuLinkStatus->parentChild == MODE_PARENT && !(gRfuLinkStatus->sendSlotNIFlag | gRfuLinkStatus->recvSlotNIFlag | gRfuLinkStatus->sendSlotUNIFlag)) { if (gRfuStatic->commExistFlag) { gRfuStatic->emberCount = 16; gRfuStatic->nullFrameCount = 0; } if (gRfuStatic->emberCount) --gRfuStatic->emberCount; else ++gRfuStatic->nullFrameCount; if (gRfuStatic->emberCount || !(gRfuStatic->nullFrameCount & 0xF)) { gRfuFixed->LLFBuffer[0] = 1; gRfuFixed->LLFBuffer[4] = 0xFF; STWI_set_Callback_M(rfu_CB_sendData3); if (!clockChangeFlag) STWI_send_DataTxREQ(gRfuFixed->LLFBuffer, 1); else STWI_send_DataTxAndChangeREQ(gRfuFixed->LLFBuffer, 1); return; } } else { if (!gRfuLinkStatus->LLFReadyFlag) rfu_constructSendLLFrame(); if (gRfuLinkStatus->LLFReadyFlag) { STWI_set_Callback_M(rfu_CB_sendData); if (clockChangeFlag) { STWI_send_DataTxAndChangeREQ(gRfuFixed->LLFBuffer, gRfuStatic->totalPacketSize + 4); return; } STWI_send_DataTxREQ(gRfuFixed->LLFBuffer, gRfuStatic->totalPacketSize + 4); } } if (clockChangeFlag) { if (gRfuLinkStatus->parentChild == MODE_PARENT) { if (gSTWIStatus->callbackS != NULL) gSTWIStatus->callbackS(39); } else { STWI_set_Callback_M(rfu_CB_sendData2); STWI_send_MS_ChangeREQ(); } } } } static void rfu_CB_sendData(UNUSED u8 reqCommand, u16 reqResult) { u8 i; struct NIComm *NI_comm; if (reqResult == 0) { for (i = 0; i < RFU_CHILD_MAX; ++i) { if (gRfuSlotStatusUNI[i]->send.dataReadyFlag) gRfuSlotStatusUNI[i]->send.dataReadyFlag = 0; NI_comm = &gRfuSlotStatusNI[i]->send; if (NI_comm->state == SLOT_STATE_SEND_NULL) { rfu_STC_releaseFrame(i, 0, NI_comm); gRfuLinkStatus->sendSlotNIFlag &= ~NI_comm->bmSlot; if (NI_comm->dataType == 1) gRfuLinkStatus->getNameFlag |= 1 << i; NI_comm->state = SLOT_STATE_SEND_SUCCESS; } } } gRfuLinkStatus->LLFReadyFlag = 0; rfu_STC_REQ_callback(ID_DATA_TX_REQ, reqResult); } static void rfu_CB_sendData2(UNUSED u8 reqCommand, u16 reqResult) { rfu_STC_REQ_callback(ID_DATA_TX_REQ, reqResult); } static void rfu_CB_sendData3(u8 reqCommand, u16 reqResult) { if (reqResult != 0) rfu_STC_REQ_callback(ID_DATA_TX_REQ, reqResult); else if (reqCommand == ID_CLOCK_SLAVE_MS_CHANGE_ERROR_BY_DMA_REQ) rfu_STC_REQ_callback(ID_CLOCK_SLAVE_MS_CHANGE_ERROR_BY_DMA_REQ, 0); } static void rfu_constructSendLLFrame(void) { u32 pakcketSize, currSize; u8 i; u8 *llf_p; if (gRfuLinkStatus->parentChild != MODE_NEUTRAL && gRfuLinkStatus->sendSlotNIFlag | gRfuLinkStatus->recvSlotNIFlag | gRfuLinkStatus->sendSlotUNIFlag) { gRfuLinkStatus->LLFReadyFlag = 0; pakcketSize = 0; llf_p = (u8 *)&gRfuFixed->LLFBuffer[1]; for (i = 0; i < RFU_CHILD_MAX; ++i) { currSize = 0; if (gRfuSlotStatusNI[i]->send.state & SLOT_BUSY_FLAG) currSize = rfu_STC_NI_constructLLSF(i, &llf_p, &gRfuSlotStatusNI[i]->send); if (gRfuSlotStatusNI[i]->recv.state & SLOT_BUSY_FLAG) currSize += rfu_STC_NI_constructLLSF(i, &llf_p, &gRfuSlotStatusNI[i]->recv); if (gRfuSlotStatusUNI[i]->send.state == SLOT_STATE_SEND_UNI) currSize += rfu_STC_UNI_constructLLSF(i, &llf_p); if (currSize != 0) { if (gRfuLinkStatus->parentChild == MODE_PARENT) pakcketSize += currSize; else pakcketSize |= currSize << (5 * i + 8); } } if (pakcketSize != 0) { while ((u32)llf_p & 3) *llf_p++ = 0; gRfuFixed->LLFBuffer[0] = pakcketSize; if (gRfuLinkStatus->parentChild == MODE_CHILD) { u8 *maxSize = llf_p - offsetof(struct RfuFixed, LLFBuffer[1]); pakcketSize = maxSize - *(u8 *volatile *)&gRfuFixed; } } gRfuStatic->totalPacketSize = pakcketSize; } } static u16 rfu_STC_NI_constructLLSF(u8 bm_slot_id, u8 **dest_pp, struct NIComm *NI_comm) { u16 size; u32 frame; u8 i; u8 *frame8_p; const struct LLSFStruct *llsf = &llsf_struct[gRfuLinkStatus->parentChild]; if (NI_comm->state == SLOT_STATE_SENDING) { while (NI_comm->now_p[NI_comm->phase] >= (const u8 *)NI_comm->src + NI_comm->dataSize) { ++NI_comm->phase; if (NI_comm->phase == 4) NI_comm->phase = 0; } } if (NI_comm->state & SLOT_RECV_FLAG) { size = 0; } else if (NI_comm->state == SLOT_STATE_SENDING) { if (NI_comm->now_p[NI_comm->phase] + NI_comm->payloadSize > (const u8 *)NI_comm->src + NI_comm->dataSize) size = (const u8 *)NI_comm->src + NI_comm->dataSize - NI_comm->now_p[NI_comm->phase]; else size = NI_comm->payloadSize; } else { if (NI_comm->remainSize >= NI_comm->payloadSize) size = NI_comm->payloadSize; else size = NI_comm->remainSize; } frame = (NI_comm->state & 0xF) << llsf->slotStateShift | NI_comm->ack << llsf->ackShift | NI_comm->phase << llsf->phaseShit | NI_comm->n[NI_comm->phase] << llsf->nShift | size; if (gRfuLinkStatus->parentChild == MODE_PARENT) frame |= NI_comm->bmSlot << 18; frame8_p = (u8 *)&frame; for (i = 0; i < llsf->frameSize; ++i) *(*dest_pp)++ = *frame8_p++; if (size != 0) { const u8 *src = NI_comm->now_p[NI_comm->phase]; gRfuFixed->fastCopyPtr(&src, dest_pp, size); } if (NI_comm->state == SLOT_STATE_SENDING) { ++NI_comm->phase; if (NI_comm->phase == 4) NI_comm->phase = 0; } if (gRfuLinkStatus->parentChild == MODE_PARENT) gRfuLinkStatus->LLFReadyFlag = 1; else gRfuLinkStatus->LLFReadyFlag |= 1 << bm_slot_id; return size + llsf->frameSize; } static u16 rfu_STC_UNI_constructLLSF(u8 bm_slot_id, u8 **dest_p) { const struct LLSFStruct *llsf; const u8 *src_p; u32 frame; u8 *frame8_p; u8 i; struct UNISend *UNI_send = &gRfuSlotStatusUNI[bm_slot_id]->send; if (!UNI_send->dataReadyFlag || !UNI_send->bmSlot) return 0; llsf = &llsf_struct[gRfuLinkStatus->parentChild]; frame = (UNI_send->state & 0xF) << llsf->slotStateShift | UNI_send->payloadSize; if (gRfuLinkStatus->parentChild == MODE_PARENT) frame |= UNI_send->bmSlot << 18; frame8_p = (u8 *)&frame; for (i = 0; i < llsf->frameSize; ++i) *(*dest_p)++ = *frame8_p++; src_p = UNI_send->src; gRfuFixed->fastCopyPtr(&src_p, dest_p, UNI_send->payloadSize); if (gRfuLinkStatus->parentChild == MODE_PARENT) gRfuLinkStatus->LLFReadyFlag = 16; else gRfuLinkStatus->LLFReadyFlag |= 16 << bm_slot_id; return llsf->frameSize + UNI_send->payloadSize; } void rfu_REQ_recvData(void) { if (gRfuLinkStatus->parentChild != MODE_NEUTRAL) { gRfuStatic->commExistFlag = gRfuLinkStatus->sendSlotNIFlag | gRfuLinkStatus->recvSlotNIFlag | gRfuLinkStatus->sendSlotUNIFlag; gRfuStatic->recvErrorFlag = 0; STWI_set_Callback_M(rfu_CB_recvData); STWI_send_DataRxREQ(); } } static void rfu_CB_recvData(u8 reqCommand, u16 reqResult) { u8 i; struct RfuSlotStatusNI *slotStatusNI; struct NIComm *NI_comm; if (reqResult == 0 && gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket8.data[1]) { gRfuStatic->NIEndRecvFlag = 0; if (gRfuLinkStatus->parentChild == MODE_PARENT) rfu_STC_PARENT_analyzeRecvPacket(); else rfu_STC_CHILD_analyzeRecvPacket(); for (i = 0; i < RFU_CHILD_MAX; ++i) { slotStatusNI = gRfuSlotStatusNI[i]; if (slotStatusNI->recv.state == SLOT_STATE_RECV_LAST && !((gRfuStatic->NIEndRecvFlag >> i) & 1)) { NI_comm = &slotStatusNI->recv; if (NI_comm->dataType == 1) gRfuLinkStatus->getNameFlag |= 1 << i; rfu_STC_releaseFrame(i, 1, NI_comm); gRfuLinkStatus->recvSlotNIFlag &= ~NI_comm->bmSlot; slotStatusNI->recv.state = SLOT_STATE_RECV_SUCCESS; } } if (gRfuStatic->recvErrorFlag) reqResult = gRfuStatic->recvErrorFlag | ERR_DATA_RECV; } rfu_STC_REQ_callback(reqCommand, reqResult); } static void rfu_STC_PARENT_analyzeRecvPacket(void) { u32 frames32; u8 bm_slot_id; u8 frame_counts[RFU_CHILD_MAX]; u8 *packet_p; frames32 = gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket32.data[0] >> 8; for (bm_slot_id = 0; bm_slot_id < RFU_CHILD_MAX; ++bm_slot_id) { frame_counts[bm_slot_id] = frames32 & 0x1F; frames32 >>= 5; if (frame_counts[bm_slot_id] == 0) gRfuStatic->NIEndRecvFlag |= 1 << bm_slot_id; } packet_p = &gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket8.data[8]; for (bm_slot_id = 0; bm_slot_id < RFU_CHILD_MAX; ++bm_slot_id) { if (frame_counts[bm_slot_id]) { u8 *frames_p = &frame_counts[bm_slot_id]; do { u8 analyzed_frames = rfu_STC_analyzeLLSF(bm_slot_id, packet_p, *frames_p); packet_p += analyzed_frames; *frames_p -= analyzed_frames; } while (!(*frames_p & 0x80) && (*frames_p)); } } } static void rfu_STC_CHILD_analyzeRecvPacket(void) { u16 frames_remaining; u8 *packet_p; u16 analyzed_frames; frames_remaining = *(u16 *)&gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket8.data[4] & 0x7F; packet_p = &gRfuFixed->STWIBuffer->rxPacketAlloc.rfuPacket8.data[8]; if (frames_remaining == 0) gRfuStatic->NIEndRecvFlag = 15; do { if (frames_remaining == 0) break; analyzed_frames = rfu_STC_analyzeLLSF(0, packet_p, frames_remaining); packet_p += analyzed_frames; frames_remaining -= analyzed_frames; } while (!(frames_remaining & 0x8000)); } static u16 rfu_STC_analyzeLLSF(u8 slot_id, const u8 *src, u16 last_frame) { struct RfuLocalStruct llsf_NI; const struct LLSFStruct *llsf_p; u32 frames; u8 i; u16 retVal; llsf_p = &llsf_struct[~gRfuLinkStatus->parentChild & (MODE_NEUTRAL & MODE_PARENT)]; if (last_frame < llsf_p->frameSize) return last_frame; frames = 0; for (i = 0; i < llsf_p->frameSize; ++i) frames |= *src++ << 8 * i; llsf_NI.recvFirst = (frames >> llsf_p->recvFirstShift) & llsf_p->recvFirstMask; llsf_NI.connSlotFlag = (frames >> llsf_p->connSlotFlagShift) & llsf_p->connSlotFlagMask; llsf_NI.slotState = (frames >> llsf_p->slotStateShift) & llsf_p->slotStateMask; llsf_NI.ack = (frames >> llsf_p->ackShift) & llsf_p->ackMask; llsf_NI.phase = (frames >> llsf_p->phaseShit) & llsf_p->phaseMask; llsf_NI.n = (frames >> llsf_p->nShift) & llsf_p->nMask; llsf_NI.frame = (frames & llsf_p->framesMask) & frames; retVal = llsf_NI.frame + llsf_p->frameSize; if (llsf_NI.recvFirst == 0) { if (gRfuLinkStatus->parentChild == MODE_PARENT) { if ((gRfuLinkStatus->connSlotFlag >> slot_id) & 1) { if (llsf_NI.slotState == LCOM_UNI) { rfu_STC_UNI_receive(slot_id, &llsf_NI, src); } else if (llsf_NI.ack == 0) { rfu_STC_NI_receive_Receiver(slot_id, &llsf_NI, src); } else { for (i = 0; i < RFU_CHILD_MAX; ++i) if (((gRfuSlotStatusNI[i]->send.bmSlot >> slot_id) & 1) && ((gRfuLinkStatus->sendSlotNIFlag >> slot_id) & 1)) break; if (i < RFU_CHILD_MAX) rfu_STC_NI_receive_Sender(i, slot_id, &llsf_NI, src); } } } else { s32 conSlots = gRfuLinkStatus->connSlotFlag & llsf_NI.connSlotFlag; if (conSlots) { for (i = 0; i < RFU_CHILD_MAX; ++i) { if ((conSlots >> i) & 1) { if (llsf_NI.slotState == LCOM_UNI) rfu_STC_UNI_receive(i, &llsf_NI, src); else if (llsf_NI.ack == 0) rfu_STC_NI_receive_Receiver(i, &llsf_NI, src); else if ((gRfuLinkStatus->sendSlotNIFlag >> i) & 1) rfu_STC_NI_receive_Sender(i, i, &llsf_NI, src); } } } } } return retVal; } static void rfu_STC_UNI_receive(u8 bm_slot_id, const struct RfuLocalStruct *llsf_NI, const u8 *src) { u8 *dest; u32 size; struct RfuSlotStatusUNI *slotStatusUNI = gRfuSlotStatusUNI[bm_slot_id]; struct UNIRecv *UNI_recv = &slotStatusUNI->recv; UNI_recv->errorCode = 0; if (gRfuSlotStatusUNI[bm_slot_id]->recvBufferSize < llsf_NI->frame) { slotStatusUNI->recv.state = SLOT_STATE_RECV_IGNORE; UNI_recv->errorCode = ERR_RECV_BUFF_OVER; } else { if (UNI_recv->dataBlockFlag) { if (UNI_recv->newDataFlag) { UNI_recv->errorCode = ERR_RECV_UNK; goto force_tail_merge; } } else { if (UNI_recv->newDataFlag) UNI_recv->errorCode = ERR_RECV_DATA_OVERWRITED; } UNI_recv->state = SLOT_STATE_RECEIVING; size = UNI_recv->dataSize = llsf_NI->frame; dest = gRfuSlotStatusUNI[bm_slot_id]->recvBuffer; gRfuFixed->fastCopyPtr(&src, &dest, size); UNI_recv->newDataFlag = 1; UNI_recv->state = 0; } force_tail_merge: if (UNI_recv->errorCode) gRfuStatic->recvErrorFlag |= 16 << bm_slot_id; } static void rfu_STC_NI_receive_Sender(u8 NI_slot, u8 bm_flag, const struct RfuLocalStruct *llsf_NI, const u8 *data_p) { struct NIComm *NI_comm = &gRfuSlotStatusNI[NI_slot]->send; u16 state = NI_comm->state; u8 n = NI_comm->n[llsf_NI->phase]; u8 i; u16 imeBak; if ((llsf_NI->slotState == LCOM_NI && state == SLOT_STATE_SENDING) || (llsf_NI->slotState == LCOM_NI_START && state == SLOT_STATE_SEND_START) || (llsf_NI->slotState == LCOM_NI_END && state == SLOT_STATE_SEND_LAST)) { if (NI_comm->n[llsf_NI->phase] == llsf_NI->n) NI_comm->recvAckFlag[llsf_NI->phase] |= 1 << bm_flag; } if ((NI_comm->recvAckFlag[llsf_NI->phase] & NI_comm->bmSlot) == NI_comm->bmSlot) { NI_comm->n[llsf_NI->phase] = (NI_comm->n[llsf_NI->phase] + 1) & 3; NI_comm->recvAckFlag[llsf_NI->phase] = 0; if ((u16)(NI_comm->state + ~SLOT_STATE_SEND_NULL) <= 1) { if (NI_comm->state == SLOT_STATE_SEND_START) NI_comm->now_p[llsf_NI->phase] += NI_comm->payloadSize; else NI_comm->now_p[llsf_NI->phase] += NI_comm->payloadSize << 2; NI_comm->remainSize -= NI_comm->payloadSize; switch (NI_comm->remainSize) { default: case 0: NI_comm->phase = 0; if (NI_comm->state == SLOT_STATE_SEND_START) { for (i = 0; i < WINDOW_COUNT; ++i) { NI_comm->n[i] = 1; NI_comm->now_p[i] = NI_comm->src + NI_comm->payloadSize * i; } NI_comm->remainSize = NI_comm->dataSize; NI_comm->state = SLOT_STATE_SENDING; } else { NI_comm->n[0] = 0; NI_comm->remainSize = 0; NI_comm->state = SLOT_STATE_SEND_LAST; } break; case 1 ... INT_MAX: break; } } else if (NI_comm->state == SLOT_STATE_SEND_LAST) { NI_comm->state = SLOT_STATE_SEND_NULL; } } if (NI_comm->state != state || NI_comm->n[llsf_NI->phase] != n || (NI_comm->recvAckFlag[llsf_NI->phase] >> bm_flag) & 1) { imeBak = REG_IME; REG_IME = 0; gRfuStatic->recvRenewalFlag |= 16 << bm_flag; gRfuSlotStatusNI[bm_flag]->send.failCounter = 0; REG_IME = imeBak; } } static void rfu_STC_NI_receive_Receiver(u8 bm_slot_id, const struct RfuLocalStruct *llsf_NI, const u8 *data_p) { u16 imeBak; u32 state_check = 0; struct RfuSlotStatusNI *slotStatus_NI = gRfuSlotStatusNI[bm_slot_id]; struct NIComm *recvSlot = &slotStatus_NI->recv; u16 state = slotStatus_NI->recv.state; u8 n = slotStatus_NI->recv.n[llsf_NI->phase]; if (llsf_NI->slotState == LCOM_NI_END) { gRfuStatic->NIEndRecvFlag |= 1 << bm_slot_id; if (slotStatus_NI->recv.state == SLOT_STATE_RECEIVING) { slotStatus_NI->recv.phase = 0; slotStatus_NI->recv.n[0] = 0; slotStatus_NI->recv.state = SLOT_STATE_RECV_LAST; } } else if (llsf_NI->slotState == LCOM_NI) { if (state == SLOT_STATE_RECV_START && !recvSlot->remainSize) rfu_STC_NI_initSlot_asRecvDataEntity(bm_slot_id, recvSlot); if (recvSlot->state == SLOT_STATE_RECEIVING) state_check = 1; } else if (llsf_NI->slotState == LCOM_NI_START) { if (state == SLOT_STATE_RECV_START) { state_check = 1; } else { rfu_STC_NI_initSlot_asRecvControllData(bm_slot_id, recvSlot); if (slotStatus_NI->recv.state != SLOT_STATE_RECV_START) return; state_check = 1; } } if (state_check != 0) { if (llsf_NI->n == ((recvSlot->n[llsf_NI->phase] + 1) & 3)) { gRfuFixed->fastCopyPtr(&data_p, (u8 **)&recvSlot->now_p[llsf_NI->phase], llsf_NI->frame); if (recvSlot->state == SLOT_STATE_RECEIVING) recvSlot->now_p[llsf_NI->phase] += 3 * recvSlot->payloadSize; recvSlot->remainSize -= llsf_NI->frame; recvSlot->n[llsf_NI->phase] = llsf_NI->n; } } if (recvSlot->errorCode == 0) { recvSlot->phase = llsf_NI->phase; if (recvSlot->state != state || recvSlot->n[llsf_NI->phase] != n || recvSlot->n[llsf_NI->phase] == llsf_NI->n) { imeBak = REG_IME; REG_IME = 0; gRfuStatic->recvRenewalFlag |= 1 << bm_slot_id; recvSlot->failCounter = 0; REG_IME = imeBak; } } } static void rfu_STC_NI_initSlot_asRecvControllData(u8 bm_slot_id, struct NIComm *NI_comm) { u8 *llFrameSize_p; u32 llFrameSize; u8 bm_slot_flag; if (gRfuLinkStatus->parentChild == MODE_PARENT) { llFrameSize = 3; llFrameSize_p = &gRfuLinkStatus->remainLLFrameSizeParent; } else { llFrameSize = 2; llFrameSize_p = &gRfuLinkStatus->remainLLFrameSizeChild[bm_slot_id]; } bm_slot_flag = 1 << bm_slot_id; if (NI_comm->state == 0) { if (*llFrameSize_p < llFrameSize) { NI_comm->state = SLOT_STATE_RECV_IGNORE; NI_comm->errorCode = ERR_RECV_REPLY_SUBFRAME_SIZE; gRfuStatic->recvErrorFlag |= bm_slot_flag; } else { NI_comm->errorCode = 0; *llFrameSize_p -= llFrameSize; NI_comm->now_p[0] = &NI_comm->dataType; NI_comm->remainSize = 7; NI_comm->ack = 1; NI_comm->payloadSize = 0; NI_comm->bmSlot = bm_slot_flag; NI_comm->state = SLOT_STATE_RECV_START; gRfuLinkStatus->recvSlotNIFlag |= bm_slot_flag; } } } static void rfu_STC_NI_initSlot_asRecvDataEntity(u8 bm_slot_id, struct NIComm *NI_comm) { u8 bm_slot_flag, win_id; if (NI_comm->dataType == 1) { NI_comm->now_p[0] = (void *)&gRfuLinkStatus->partner[bm_slot_id].serialNo; } else { if (NI_comm->dataSize > gRfuSlotStatusNI[bm_slot_id]->recvBufferSize) { bm_slot_flag = 1 << bm_slot_id; gRfuStatic->recvErrorFlag |= bm_slot_flag; gRfuLinkStatus->recvSlotNIFlag &= ~bm_slot_flag; NI_comm->errorCode = ERR_RECV_BUFF_OVER; NI_comm->state = SLOT_STATE_RECV_FAILED; rfu_STC_releaseFrame(bm_slot_id, 1, NI_comm); return; } NI_comm->now_p[0] = gRfuSlotStatusNI[bm_slot_id]->recvBuffer; } for (win_id = 0; win_id < WINDOW_COUNT; ++win_id) { NI_comm->n[win_id] = 0; NI_comm->now_p[win_id] = &NI_comm->now_p[0][NI_comm->payloadSize * win_id]; } NI_comm->remainSize = NI_comm->dataSize; NI_comm->state = SLOT_STATE_RECEIVING; } static void rfu_NI_checkCommFailCounter(void) { u16 imeBak; u32 recvRenewalFlag; u8 bm_slot_flag, bm_slot_id; if (gRfuLinkStatus->sendSlotNIFlag | gRfuLinkStatus->recvSlotNIFlag) { imeBak = REG_IME; REG_IME = 0; recvRenewalFlag = gRfuStatic->recvRenewalFlag >> 4; for (bm_slot_id = 0; bm_slot_id < RFU_CHILD_MAX; ++bm_slot_id) { bm_slot_flag = 1 << bm_slot_id; if (gRfuLinkStatus->sendSlotNIFlag & bm_slot_flag && !(gRfuStatic->recvRenewalFlag & bm_slot_flag)) ++gRfuSlotStatusNI[bm_slot_id]->send.failCounter; if (gRfuLinkStatus->recvSlotNIFlag & bm_slot_flag && !(recvRenewalFlag & bm_slot_flag)) ++gRfuSlotStatusNI[bm_slot_id]->recv.failCounter; } gRfuStatic->recvRenewalFlag = 0; REG_IME = imeBak; } } void rfu_REQ_noise(void) { STWI_set_Callback_M(rfu_STC_REQ_callback); STWI_send_TestModeREQ(1, 0); }