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add info on ir:rst service 0x7
|-
|-
! Command Header
! Command Header
! Available since system version
! Description
! Description
|-
|-
| 0x00010000
| 0x00010000
| [[1.0.0-0]]
| [[IRU:Initialize|Initialize]]
| [[IRU:Initialize|Initialize]]
|-
|-
| 0x00020000
| 0x00020000
| [[1.0.0-0]]
| [[IRU:Shutdown|Shutdown]]
| [[IRU:Shutdown|Shutdown]]
|-
|-
| 0x00030042
| 0x00030042
| [[1.0.0-0]]
| [[IRU:StartSendTransfer|StartSendTransfer]]
| [[IRU:StartSendTransfer|StartSendTransfer]]
|-
|-
| 0x00040000
| 0x00040000
| [[1.0.0-0]]
| [[IRU:WaitSendTransfer|WaitSendTransfer]]
| [[IRU:WaitSendTransfer|WaitSendTransfer]]
|-
|-
| 0x000500C2
| 0x000500C2
| [[1.0.0-0]]
| [[IRU:StartRecvTransfer|StartRecvTransfer]]
| [[IRU:StartRecvTransfer|StartRecvTransfer]]
|-
|-
| 0x00060000
| 0x00060000
| [[1.0.0-0]]
| [[IRU:WaitRecvTransfer|WaitRecvTransfer]]
| [[IRU:WaitRecvTransfer|WaitRecvTransfer]]
|-
|-
| 0x00070000
| 0x00070000
| [[1.0.0-0]]
| [[IRU:GetRecvTransferCount|GetRecvTransferCount]]
| [[IRU:GetRecvTransferCount|GetRecvTransferCount]]
|-
|-
| 0x00080000
| 0x00080000
| [[1.0.0-0]]
| [[IRU:GetSendState|GetSendState]]
| [[IRU:GetSendState|GetSendState]]
|-
|-
| 0x00090040
| 0x00090040
| [[1.0.0-0]]
| [[IRU:SetBitRate|SetBitRate]]
| [[IRU:SetBitRate|SetBitRate]]
|-
|-
| 0x000A0000
| 0x000A0000
| [[1.0.0-0]]
| [[IRU:GetBitRate|GetBitRate]]
| [[IRU:GetBitRate|GetBitRate]]
|-
|-
| 0x000B0040
| 0x000B0040
| [[1.0.0-0]]
| [[IRU:SetIRLEDState|SetIRLEDState]]
| [[IRU:SetIRLEDState|SetIRLEDState]]
|-
|-
| 0x000C0000
| 0x000C0000
| [[1.0.0-0]]
| [[IRU:GetIRLEDRecvState|GetIRLEDRecvState]]
| [[IRU:GetIRLEDRecvState|GetIRLEDRecvState]]
|-
|-
| 0x000D0000
| 0x000D0000
| [[1.0.0-0]]
| [[IRU:GetSendFinishedEvent|GetSendFinishedEvent]]
| [[IRU:GetSendFinishedEvent|GetSendFinishedEvent]]
|-
|-
| 0x000E0000
| 0x000E0000
| [[1.0.0-0]]
| [[IRU:GetRecvFinishedEvent|GetRecvFinishedEvent]]
| [[IRU:GetRecvFinishedEvent|GetRecvFinishedEvent]]
|-
|-
| 0x000F0000
| 0x000F0000
| [[1.0.0-0]]
| [[IRU:GetTransferState|GetTransferState]]
| [[IRU:GetTransferState|GetTransferState]]
|-
|-
| 0x00100000
| 0x00100000
|
| [[1.0.0-0]]
| GetErrorStatus
|-
|-
| 0x00110040
| 0x00110040
| [[1.0.0-0]]
| [[IRU:SetSleepModeActive|SetSleepModeActive]]
| [[IRU:SetSleepModeActive|SetSleepModeActive]]
|-
|-
| 0x00120040
| 0x00120040
| [[1.0.0-0]]
| [[IRU:SetSleepModeState|SetSleepModeState]]
| [[IRU:SetSleepModeState|SetSleepModeState]]
|}
|}
|-
|-
| 0x00010182
| 0x00010182
|
| [[2.0.0-2]]
| Initialize
| [[IRUSER:InitializeIrnop|InitializeIrnop]]
|-
|-
| 0x00020000
| 0x00020000
|
| [[2.0.0-2]]
| Shutdown
| FinalizeIrnop
|-
|-
| 0x00030000
| 0x00030000
|
| [[2.0.0-2]]
| ?
| ClearReceiveBuffer
|-
|-
| 0x00040000
| 0x00040000
|
| [[2.0.0-2]]
| ?
| ClearSendBuffer
|-
|-
| 0x00050000
| 0x000500C0
|
| [[2.0.0-2]]
| ?
| WaitConnection
|-
|-
| 0x00060000
| 0x00060040
|
| [[2.0.0-2]]
| ?
| RequireConnection (u8 input)
|-
|-
| 0x00070000
| 0x000702C0
|
| [[2.0.0-2]]
| ?
| AutoConnection
|-
|-
| 0x00080000
| 0x00080000
|
| [[2.0.0-2]]
| ?
| AnyConnection
|-
|-
| 0x00090000
| 0x00090000
|
| [[2.0.0-2]]
| ?
| Disconnect
|-
|-
| 0x000A0000
| 0x000A0000
|
| [[2.0.0-2]]
| ?
| GetReceiveEvent (writes event handle to cmdreply[3])
|-
|-
| 0x000B0000
| 0x000B0000
|
| [[2.0.0-2]]
| ?
| GetSendEvent (writes event handle to cmdreply[3])
|-
|-
| 0x000C0000
| 0x000C0000
|
| [[2.0.0-2]]
| ?
| GetConnectionStatusEvent (writes event handle to cmdreply[3])
|-
|-
| 0x000D0000
| 0x000D0042
|
| [[2.0.0-2]]
| ?
| SendIrnop (u32 size, ((Size<<14) <nowiki>|</nowiki> 2), inbufptr)
|-
| 0x000E0042
| [[2.0.0-2]]
| SendIrnopLarge (u32 size, ((Size<<8) <nowiki>|</nowiki> 10), inbufptr)
|-
| 0x000F0040
| [[2.0.0-2]]
| ReceiveIrnop
|-
| 0x00100042
| [[2.0.0-2]]
| ReceiveIrnopLarge
|-
| 0x0011....
| [[2.0.0-2]]
| GetLatestReceiveErrorResult
|-
| 0x0012....
| [[2.0.0-2]]
| GetLatestSendErrorResult
|-
| 0x0013....
| [[2.0.0-2]]
| GetConnectionStatus
|-
| 0x0014....
| [[2.0.0-2]]
| GetTryingToConnectStatus
|-
| 0x0015....
| [[2.0.0-2]]
| GetReceiveSizeFreeAndUsed
|-
| 0x0016....
| [[2.0.0-2]]
| GetSendSizeFreeAndUsed
|-
| 0x0017....
| [[2.2.0-X]]
| GetConnectionRole
|-
|-
| 0x000E0000
| 0x00180182
|
| [[2.2.0-X]]
| ?
| [[IRUSER:InitializeIrnopShared|InitializeIrnopShared]]
|-
|-
| 0x000F0000
| 0x00190040
|
| [[2.2.0-X]]
| ?
| ReleaseReceivedData (32bit_value input)
|-
|-
| 0x00100000
| 0x001A0040
|
| [[2.2.0-X]]
| ?
| SetOwnMachineId (u8 input)
|}
This service was added with [[2.0.0-2]].
When sending data, SendIrnop is used when the size is <=0xFC, otherwise SendIrnopLarge is used.
= IR Service "ir:rst" =
{| class="wikitable" border="1"
|-
|-
! Command Header
! Available since system-version
! Description
|-
|-
| 0x00120000
| 0x00010000
|
| [[8.0.0-18]]
| ?
| [[IRRST:GetHandles|GetHandles]]
|-
|-
| 0x00130000
| 0x00020080
|
| [[8.0.0-18]]
| ?
| [[IRRST:Initialize|Initialize]]
|-
|-
| 0x00140000
| 0x00030000
|
| [[8.0.0-18]]
| ?
| [[IRRST:Shutdown|Shutdown]]
|-
|-
| 0x00150000
| 0x00040000
|
| [[8.0.0-18]]
| ?
| This writes an unknown u8 to index-word cmdreply[2], from data loaded from an I2C device register.
|-
|-
| 0x00160000
| 0x00050000
|
| [[8.0.0-18]]
| ?
| This writes an unknown u8 from IR-module state to index-word cmdreply[2].
|-
|-
| 0x00170000
| 0x00060000
| Unknown, >[[2.0.0-2]]
| [[8.0.0-18]]
| ?
| This writes two unknown u8 fields from IR-module state to index-word cmdreply[2] and cmdreply[3].
|-
|-
| 0x00180000
| 0x00070080
| Unknown, >[[2.0.0-2]]
| [[9.0.0-20]]
| ?
| (u8 unk0, u8 unk1) This is used for calibrating the C-stick on the N3DS EXTHID.
|-
|-
| 0x00190000
| 0x00080000
| Unknown, >[[2.0.0-2]]
| [[9.0.0-20]]
| ?
| (u8 unk0, u8 unk1) ?
|-
|-
| 0x001A0000
| 0x00090000
| Unknown, >[[2.0.0-2]]
| [[9.0.0-20]]
| ?
| This writes two unknown u8 fields to index-word cmdreply[2] and cmdreply[3].
|}
|}
Only one session to either of these services can be open at a time, thus only one process can use either of these services at once. These services interface with hardware services gpio::IR and i2c::IR. The i2c::IR service is used for sending/receiving data.
This service was added with [[8.0.0-18]]. Unlike the other IR services, this uses [[I2C]] deviceid 17(this deviceid isn't actually handled by the [[8.0.0-18]] I2C module). This is for the additional [[New 3DS]] HID hardware, this HID data is stored in [[IRRST_Shared_Memory|shared-memory]]. Even with [[9.0.0-20]] IR module still registers+handles this service on both Old3DS+New3DS.
=IR Services=
Only one session(two sessions starting with [[8.0.0-18]]) to any of these services can be open at a time, thus only one/two process(es) can use any of these services at once. These services interface with hardware services gpio::IR and i2c::IR. The i2c::IR service is used for sending/receiving data.
IRU is for regular IR comms. IRUSER uses a custom IR protocol(above the physical layer). The IR hardware operates in the IrDA SIR mode by default, IRU doesn't have an interface for using other modes(such as the one for TV-remotes) via hardware.
IRU is for regular IR comms. IRUSER uses a custom IR protocol(above the physical layer). Both of these services use IrDA-SIR. The IR hardware seems to only support IrDA-SIR, other physical protocols such as the one for TV-remotes are not supported(going by the datasheet linked [[Hardware|here]] for a different IC at least).
The protocol used with IRUSER involves encryption implemented in software. IRUSER is used for the [[Circle Pad Pro]].
The protocol used with IRUSER involves encryption(?) implemented in software. IRUSER is used for the [[Circle Pad Pro]]. This same IRUSER service uses the New3DS HID hardware when running on New3DS. Note that the main service for New3DS HID is ir:rst, and these two service are mutually exclusive: when one is initialized and reading data from New3DS HID, the other cannot access it.