I2C:WriteRegisters8

Revision as of 15:13, 28 May 2026 by TimmSkiller (talk | contribs)

Request

Index Word Description
0
Header 0x000B00C2 Cmd 0x000B Param 3 Xlat 2
1 u8, device ID
2 u8, starting register
3 u32, size
4 Descriptor for static buffer (id 1)
5 Input buffer pointer

Response

Index Word Description
0
Header 0x000B0040 Cmd 0x000B Param 1 Xlat 0
1 Result code

Description

Writes the given buffer sequentially to a range of 8-bit I2C registers of the specified device.

For example, writing a buffer of consisting of { 0xAA, 0xBB, 0xCC, 0xDD } with starting register 0x5 would do the following:

    reg[0x5] = 0xAA
    reg[0x6] = 0xBB
    reg[0x7] = 0xCC
    reg[0x8] = 0xDD