IBASE IBD185 - Manual (Page 22)

22 IBD185 User Guide
Sub Command Reply
Sub Command
Length
Sub Command
Code
Sub Command
Data
size of the
I2cApiDevWrite_R
structure
I2CAPI_DEV_WRITE I2cApiDevWrite_R structure
The reply packet contains the I2cApiDevWrite_R structure.
The I2cApiDevWrite_R structure returns the device received significant
arguments and followed by one byte result.
I2cApiDevWrite_R Structure
Field Type Description
Bus ID byte Designate which I2C bus on MCU
1 – 1st I2C bus master
2 – 2nd I2C bus master
Slv Addr byte I2C slave address
Cmd Len byte Length of the command code
Flag byte operation flag
0x00: Normal operation
0x01: Block operation
Dat Len byte Length of the data byte
Result byte Operation result
Result >=0 and Result <=32 : Done
Result >32 : Error
The read operation is Success if the “Result”
is equal to the number of bytes you want to
write.