I2C Service Names
| Service names
|
Notes
|
Accessible deviceIDs
|
| "i2c::MCU"
|
|
0, 3
|
| "i2c::CAM"
|
|
1, 2, 4
|
| "i2c::LCD"
|
|
5, 6
|
| "i2c::DEB"
|
|
7, 8
|
| "i2c::HID"
|
|
9, 10, 11, 12
|
| "i2c::IR"
|
|
13
|
| "i2c::EEP"
|
|
14
|
| "i2c::NFC"
|
Only available via the New3DS i2c sysmodule.
|
15
|
| "i2c::QTM"
|
Only available via the New3DS i2c sysmodule.
|
16
|
Each I2C service can only access certain I2C device(s). When the specified deviceid isn't accessible, error 0xE0A02FEA is returned.
I2C Service
| Command Header
|
Available since system-version
|
Description
|
| 0x00010100
|
|
SetRegisterBits8 (u8 devid, u8 regid, u8 regdata, u8 mask)
|
| 0x0002....
|
|
EnableRegisterBits8 (u8 devid, u8 regid, u8 enablemask)
|
| 0x000300C0
|
|
DisableRegisterBits8 (u8 devid, u8 regid, u8 disablemask)
|
| 0x00040102
|
|
MultiSetRegisterBits16 (u16 regid, u16 regdata, u16 mask, devcount, u8* devidlistptr)
|
| 0x0005....
|
|
WriteRegister8 (u8 devid, u8 regid, u8 regdata)
|
| 0x0006....
|
|
WriteCommand8 (u8 devid, u8 cmdid)
|
| 0x0007....
|
|
WriteRegister16 (u8 devid, u16 regid, u16 regdata)
|
| 0x000800C2
|
|
MultiWriteRegister16 (u16 regid, u16 regdata, devcount, u8* devidlistptr)
|
| 0x0009....
|
|
u8 ReadRegister8 (u8 devid, u8 regid)
|
| 0x000A....
|
|
u16 ReadRegister16 (u8 devid, u16 regid)
|
| 0x000B00C2
|
|
WriteRegisterBuffer8 (u8 devid, u8 regid, buffersize, (buffersize << 14) | 0x402, u8* bufferptr)
|
| 0x000C00C2
|
|
WriteRegisterBuffer16 (u8 devid, u16 regid, buffersize, (buffersize << 15) | 0x402, u16* bufferptr)
|
| 0x000D00C0
|
|
ReadRegisterBuffer8 (u8 devid, u8 regid, buffersize, +0x180: (buffersize << 14) | 2, +0x184: u8 bufferptr)
|
| 0x000E00C2
|
|
WriteRegisterBuffer8_again? (u8 devid, u8 regid, buffersize, u8* bufferptr)
|
| 0x000F....
|
|
|
| 0x0010....
|
|
|
| 0x001100C2
|
|
ReadRegisterBuffer(u8 devid, u16 regid, buffersize, u8 *buff)
|
| 0x001200C2
|
|
WriteRegisterBuffer(u8 devid, u16 regid, buffersize, u8 *buff)
|
| 0x00130040
|
8.0.0-18
|
(u8 inval) Writes an output u8 to cmdreply[2].
|
| 0x00140082
|
8.0.0-18
|
(u8 devid, u32 buffersize, (buffersize << 14) | 0x402, bufferptr)
|
| 0x00150080
|
8.0.0-18
|
(u8 devid, u32 buffersize, +0x180: (buffersize << 14) | 2, +0x184: bufferptr)
|
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.