I2C Services: Difference between revisions

← Older edit

@@ Line 1: / Line 1: @@
 [[Category:Services]]
-= I2C Service Names =
+__FORCETOC__
+== I2C Service Names ==
 {| class="wikitable" border="1"
 |-
 !  Service names
-!  Notes
+!  Accessible [[I2C_Registers#I2C_Devices|deviceIDs]]
-!  Accessible [[I2C_Registers|deviceIDs]]
 !  Service used by sysmodule
 |-
 | "i2c::MCU"
-|
 | 0, 3
 | [[MCU_Services|MCU]]
 |-
 | "i2c::CAM"
-|
 | 1, 2, 4
 | [[Camera_Services|Camera]]
 |-
 | "i2c::LCD"
-|
 | 5, 6
 | [[GSP_Services|GSP]]
 |-
 | "i2c::DEB"
-|
 | 7, 8
-| Unknown
+| dmnt
 |-
 | "i2c::HID"
-|
 | 9, 10, 11, 12
 | [[HID_Services|HID]]
 |-
 | "i2c::IR"
-|
 | 13, and additionally for New3DS i2c module: 17
 | [[IR_Services|IR]]
 |-
 | "i2c::EEP"
-|
 | 14
 | [[Config_Services|Cfg]]
+|-
+| colspan="3" |
+New3DS-sysmodule specific services:
 |-
 | "i2c::NFC"
-| Only available via the New3DS i2c sysmodule.
 | 15
 | New3DS [[NFC_Services|NFC]]
 |-
 | "i2c::QTM"
-| Only available via the New3DS i2c sysmodule.
 | 16
 | New3DS [[QTM_Services|QTM]]
 |}
-Each I2C service can only access certain I2C [[I2C_Registers|device(s)]]. When the specified deviceid isn't accessible, error 0xE0A02FEA is returned.
+Each I2C service can only access certain I2C [[I2C_Registers|device(s)]].
-= I2C Service =
+== Commands ==
 {| class="wikitable" border="1"
 |-
 !  Command Header !! Description !! Available since system-version
 |-
-| 0x00010100 || [[I2C:SetRegisterBits8|SetRegisterBits8]] || All
+| 0x00010100 || [[I2C:ReplaceRegisterBits8|ReplaceRegisterBits8]] || All
 |-
-| 0x000200C0 || [[I2C:EnableRegisterBits8|EnableRegisterBits8]] || All
+| 0x000200C0 || [[I2C:SetRegisterBits8|SetRegisterBits8]] || All
 |-
-| 0x000300C0 || [[I2C:DisableRegisterBits8|DisableRegisterBits8]] || All
+| 0x000300C0 || [[I2C:ClearRegisterBits8|ClearRegisterBits8]] || All
 |-
-| 0x00040102 || [[I2C:MultiSetRegisterBits16|MultiSetRegisterBits16]] || All
+| 0x00040102 || [[I2C:MultiReplaceRegisterBits16|MultiReplaceRegisterBits16]] || All
 |-
 | 0x000500C0 || [[I2C:WriteRegister8|WriteRegister8]] || All
 |-
-| 0x00060080 || [[I2C:WriteCommand8|WriteCommand8]] || All
+| 0x00060080 || [[I2C:WriteDeviceRaw8|WriteDeviceRaw8]] || All
 |-
 | 0x000700C0 || [[I2C:WriteRegister16|WriteRegister16]] || All
@@ Line 87: / Line 82: @@
 | 0x000D00C0 || [[I2C:ReadRegisters8|ReadRegisters8]] || All
 |-
-| 0x000E00C2 || [[I2C:WriteRegisterBuffer|WriteRegisterBuffer]] || All
+| 0x000E00C2 || [[I2C:WriteRegisters8_2|WriteRegisters8_2]] || All
+|-
+| 0x000F00C0 || [[I2C:LegacyReadRegisters8|LegacyReadRegisters8]] || All
 |-
-| 0x000F00C0 || [[I2C:ReadRegisterBuffer|ReadRegisterBuffer]] || All
+| 0x001000C0 || [[I2C:ReadRegisters16|ReadRegisters16]] || All
 |-
-| 0x001000C0 || [[I2C:ReadEEPROM|ReadEEPROM]] || All
+| 0x001100C2 || [[I2C:WriteRegistersBuffer8|WriteRegistersBuffer8]] || All
 |-
-| 0x001100C2 || [[I2C:WriteRegisterBuffer|WriteRegisterBuffer]] || All
+| 0x001200C2 || [[I2C:ReadRegistersBuffer8|ReadRegistersBuffer8]] || All
 |-
-| 0x001200C2 || [[I2C:ReadRegisterBuffer|ReadRegisterBuffer]] || All
+| colspan="3" |
+and, for the New3DS-specific version of the sysmodule (though technically the Old3DS supports these commands as well):
 |-
 | 0x00130040 || [[I2C:ReadDeviceRaw8|ReadDeviceRaw8]] || [[8.0.0-18]]
@@ Line 104: / Line 103: @@
 |}
-Commands 0x00130040..0x00150080 are only usable with the New3DS i2c module: on Old3DS the actual command-handler function for each of these commands just return an error. Commands 0x00140082 and 0x00150080 are used by [[NFC_Services|NFC]] module. Command 0x00150080 is also used for reading ZL, ZR, and C-stick data by [[IR Services]].
+Commands 0x00140082 and 0x00150080 are used by [[NFC_Services|NFC]] module.
+Command 0x00150080 is also used for reading ZL, ZR, and C-stick data by [[IR Services]].
+== Common Result Values ==
+{| class="wikitable" border="1"
+|-
+! Result code !! Description
+|-
+| 0xE0A02FEA || The current session is not permitted to access the specified device ID.
+|-
+| 0xF9602FEF || Communication error. Device may not be connected.
+|}