I2C:MultiWriteRegister16

Request

Index Word Description
0
Header 0x000800C2 Cmd 0x0008 Param 3 Xlat 2
1 u16, register
2 u16, value
3 u32, number of device IDs
4 Descriptor for static buffer (id 0)
5 Input device IDs pointer

Response

Index Word Description
0
Header 0x00080040 Cmd 0x0008 Param 1 Xlat 0
1 Result code

Description

Writes to the same register across multiple I2C devices.

The maximum input buffer size is 0x200 for the New3DS i2c-sysmodule, and 0x10 for the Old3DS version.