CECD Services

Streetpass stuff.

CECD Service "cecd:u"

Command Header	Description
0x000100C2	OpenRawFile (cmdbuff[1] title_id, cmdbuff[2] CecDataPathType, cmdbuff[3] fileflag?, cmdbuff[4~5] ProcessID_descriptor)
0x00020042	ReadRawFile (cmdbuff[1] buffer_size, cmdbuff[2] BufferMappingDescriptor(W), cmdbuff[3] buffer_addr)
0x00030104	ReadMessage (cmdbuff[1] title_id, cmdbuff[2](bool?) is_out_box?, cmdbuff[3] message_id_size=16, cmdbuff[4] buffer_size, cmdbuff[5] BufferMappingDescriptor(R)=16*8+10, cmdbuff[6] CecMessageId*, cmdbuff[7] BufferMappingDescriptor(W), cmdbuff[8] buffer_addr)
0x00040106	ReadMessageWithHMAC (cmdbuff[1] title_id, cmdbuff[2](bool?) is_out_box?, cmdbuff[3] message_id_size=16, cmdbuff[4] buffer_size, cmdbuff[5] BufferMappingDescriptor(R)=16*8+10, cmdbuff[6] CecMessageId*, cmdbuff[7] BufferMappingDescriptor(R), cmdbuff[8] HMAC_addr, cmdbuff[9] BufferMappingDescriptor(W), cmdbuff[10] buffer_addr)
0x00050042	WriteRawFile (cmdbuff[1] buffer_size, cmdbuff[2] BufferMappingDescriptor(R), cmdbuff[3] buffer_addr)
0x00060104	WriteMessage (cmdbuff[1] title_id, cmdbuff[2](bool?) is_out_box?, cmdbuff[3] message_id_size=16, cmdbuff[4] buffer_size, cmdbuff[5] BufferMappingDescriptor(R), cmdbuff[6] buffer_addr, cmdbuff[7] BufferMappingDescriptor(RW)=16*8+10, cmdbuff[8] CecMessageId*)
0x00070106	WriteMessageWithHMAC (cmdbuff[1] title_id, cmdbuff[2](bool?) is_out_box?, cmdbuff[3] message_id_size=16, cmdbuff[4] buffer_size, cmdbuff[5] BufferMappingDescriptor(R), cmdbuff[6] buffer_addr, cmdbuff[7] BufferMappingDescriptor(R), cmdbuff[8] HMAC_addr, cmdbuff[9] BufferMappingDescriptor(RW)=16*8+10, cmdbuff[10] CecMessageId*)
0x00080102	DeleteMailbox (cmdbuff[1] title_id, cmdbuff[2] CecDataPathType, cmdbuff[3]?, cmdbuff[4] message_id_size?, cmdbuff[5] BufferMappingDescriptor(R), cmdbuff[6] CecMessageId*?)
0x000900C2	? (16*length+10 of CecMessageId buffer in cmdbuff[4] (always 16*8+10), CecMessageId* in cmdbuf[5])
0x000A00C4	GetSystemInfo (cmdbuff[1] buffer_size, cmdbuff[2] info_type, cmdbuff[3]param_size?, cmdbuff[4] BufferMappingDescriptor(R), cmdbuff[5] param_addr?, cmdbuff[6] BufferMappingDescriptor(W), cmdbuff[7] buffer_addr)
0x000B0040	RunCommand
0x000C0040	RunCommandAlt (seems to be the same as RunCommand besides some extra checks)
0x000D0082	?
0x000E0000	GetCecStateAbbreviated (returns CecStateAbbreviated in cmdbuf[2])
0x000F0000	GetCecInfoEventHandle (returns event handle in cmdbuf[3])
0x00100000	GetChangeStateEventHandle (returns event handle in cmdbuf[3])
0x00110104	OpenAndWrite (cmdbuf[3]: CecMessageType type, cmdbuf[5]: 0x20, cmdbuf[6]: u8* data_buf, cmdbuf[7]: u32 16*data_size+10)
0x00120104	OpenAndRead
0x001E0082	?
0x001F....	?
0x0020....	?
0x0021....	?

CecDataPathType

Name	Value	Notes
CEC_PATH_MBOX_LIST	1	data:/CEC/MBoxList____
CEC_PATH_MBOX_INFO	2	data:/CEC/<id>/MBoxInfo____
CEC_PATH_INBOX_INFO	3	data:/CEC/<id>/InBox__/BoxInfo_____
CEC_PATH_OUTBOX_INFO	4	data:/CEC/<id>/OutBox__/BoxInfo_____
CEC_PATH_OUTBOX_INDEX	5	data:/CEC/<id>/OutBox__/OBIndex_____
CEC_PATH_INBOX_MSG	6	data:/CEC/<id>/InBox__/_<message_id>
CEC_PATH_OUTBOX_MSG	7	data:/CEC/<id>/OutBox__/_<message_id>
CEC_PATH_ROOT_DIR	10	data:/CEC
CEC_PATH_MBOX_DIR	11	data:/CEC/<id>
CEC_PATH_INBOX_DIR	12	data:/CEC/<id>/InBox__
CEC_PATH_OUTBOX_DIR	13	data:/CEC/<id>/OutBox__
	101 thru 199 (inclusive)	data:/CEC/<id>/MBoxData.0<i-100>

CecCommand

Name	Value	Notes
CEC_COMMAND_NONE	0
CEC_COMMAND_START	1
CEC_COMMAND_RESET_START	2
CEC_COMMAND_READYSCAN	3
CEC_COMMAND_READYSCANWAIT	4
CEC_COMMAND_STARTSCAN	5
CEC_COMMAND_RESCAN	6
CEC_COMMAND_NDM_RESUME	7
CEC_COMMAND_NDM_SUSPEND	8
CEC_COMMAND_NDM_SUSPEND_IMMEDIATE	9
CEC_COMMAND_STOPWAIT	0xA
CEC_COMMAND_STOP	0xB
CEC_COMMAND_STOP_FORCE	0xC
CEC_COMMAND_STOP_FORCE_WAIT	0xD
CEC_COMMAND_RESET_FILTER	0xE
CEC_COMMAND_DAEMON_STOP	0xF
CEC_COMMAND_DAEMON_START	0x10
CEC_COMMAND_EXIT	0x11
CEC_COMMAND_OVER_BOSS	0x12
CEC_COMMAND_OVER_BOSS_FORCE	0x13
CEC_COMMAND_OVER_BOSS_FORCE_WAIT	0x14
CEC_COMMAND_END	0x15

CecStateAbbreviated

Name	Value	Notes
CEC_STATE_ABBREV_IDLE	1	Corresponds to CEC_STATE_IDLE
CEC_STATE_ABBREV_INACTIVE	2	Corresponds to CEC_STATEs *FINISH*, *POST, and OVER_BOSS
CEC_STATE_ABBREV_SCANNING	3	Corresponds to CEC_STATE_SCANNING
CEC_STATE_ABBREV_WLREADY?	4	Corresponds to CEC_STATE_WIRELESS_READY when some unknown bool is true
CEC_STATE_ABBREV_OTHER	5	Corresponds to CEC_STATEs besides *FINISH*, *POST, and OVER_BOSS and those listed here

CecMessageId

Type	Field
char[8]	data

CecMessageType

Name	Value	Notes
?	0x2	Corresponds to some 0x60-byte data
CECMESSAGE_BOX_ICON	0x65	Corresponds to the StreetPass "box" icon
CECMESSAGE_BOX_TITLE	0x6E	Corresponds to the StreetPass "box" title

CECD Service "cecd:s"

This contains a similar (probably the same) command handler from 0x0001.... to 0x0021.... as them in cecd:u. In addition, it also contains

Command Header	Description
0x0401....	?
0x04020002	?
0x040A....	?
0x040B....	?
0x040C0042	?
0x040D0082	?
0x040E....	?
0x040F....	?
0x0410....	?
0x04110042	?
0x041200C2	?
0x0413....	?
0x0414....	?
0x0415....	?
0x04160002	?
0x0417....	?

CECD Service "cecd:ndm"

Command Header	Description
0x0001....	Initialize
0x0002....	Deinitialize
0x0003....	ResumeDaemon
0x0004....	SuspendDaemon(bool immediately)
0x0005....	?
0x00060042	?
0x00070042	?
0x00080042	?