I2C Read (Function Index 27)
- Artikkeli
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This _DSM Interface for Byte Addressable Energy Backed Function Class (Function Interface 1) function reads an Inter-Integrated Circuit (I2C) register. This functionality enables scenarios that require the use of vendor-specific registers. It's also used for debugging.
Arg3
| Field |
Byte length |
Byte offset |
Description |
| Page |
1 |
0 |
The page in which the I2C register is located. |
| Offset |
1 |
1 |
The register’s offset inside the page. |
Output
| Field |
Byte length |
Byte offset |
Register |
Description |
| Status |
4 |
0 |
|
This function can return the following Function-Specific Error Code: 1: Invalid page. For more information, see _DSM Method Output. |
| Data |
1 |
4 |
|
The data in the specified register. |
Related articles
I2C Write (Function Index 28)