The source code for the driver is included with the Vitis Unified Software Platform installation, as well as being available in the Xilinx Github repository.
Driver Name | Path in Vitis | Path in Github |
---|---|---|
iicps | <Vitis Install Directory>/data/embedded/XilinxProcessorIPLib/drivers/iicps | https://github.com/Xilinx/embeddedsw/tree/master/XilinxProcessorIPLib/drivers/iicps |
Note: To view the sources for a particular release, use the rel-version tag in github. For example, for the 2020.1 release, the proper version of the code is: https://github.com/Xilinx/embeddedsw/tree/xilinx-v2020.1/XilinxProcessorIPLib/drivers/iicps |
The driver source code is organized into different folders. The table below shows the ospipsv driver source organization.
Directory | Description |
---|---|
doc | Provides the API and data structure details |
data | Driver .tcl and .mdd file |
examples | Example applications that show how to use the driver features |
src | Driver source files |
For a full list of features supported by this IP, please refer Chapter 69: I2C Controller in Versal TRM
Known issues and Limitations
Multi-master configuration works only if all the participating masters are operating at the same frequency.
Refer to the driver examples directory for various example applications that exercise the different features of the driver. Each application is linked in the table below. The following sections describe the usage and expected output of the various applications. These example applications can be imported into the Vitis IDE from the Board Support Package settings tab.
Examples path:
https://github.com/Xilinx/embeddedsw/tree/master/XilinxProcessorIPLib/drivers/iicps/examples
Test name | Example source | Description |
---|---|---|
IICPS eeprom interrupt mode example | xiicps_eeprom_intr_example.c | This example does eeprom read/writes using interrupts. |
IICPS eeprom polled mode example | xiicps_eeprom_polled_example.c | This example does eeprom read/writes using polling. |
IICPS slave monitor mode example | xiicps_slave_monitor_example.c | This example does slave monitoring of an I2C slave device. |
IICPS eeprom interrupt mode example
This example does eeprom read/writes using interrupts.
Expected Output
IIC EEPROM Interrupt Example Test Page size 16 Successfully ran IIC EEPROM Interrupt Example Test |
IICPS eeprom polled mode example
This example does eeprom read/writes using polling.
Expected Output
IIC EEPROM Polled Mode Example Test Page size 16 Successfully ran IIC EEPROM Polled Mode Example Test |
IICPS slave monitor mode example
This example does slave monitoring of an I2C slave device.
Expected Output
IIC Slave Monitor Example Test Successfully ran IIC Slave Monitor Example Test |
NA
https://github.com/Xilinx/embeddedsw/blob/xilinx_v2021.1/doc/ChangeLog#L445
https://github.com/Xilinx/embeddedsw/blob/xilinx-v2020.2/doc/ChangeLog#L207
https://github.com/Xilinx/embeddedsw/blob/xilinx-v2020.1/doc/ChangeLog#L62
None
https://github.com/Xilinx/embeddedsw/blob/xilinx-v2019.1/doc/ChangeLog#L95
None
https://github.com/Xilinx/embeddedsw/blob/xilinx-v2018.2/doc/ChangeLog#L44
None
None
None
None
https://github.com/Xilinx/embeddedsw/blob/xilinx-v2017.1/doc/ChangeLog#L254
None
https://github.com/Xilinx/embeddedsw/blob/xilinx-v2016.3/doc/ChangeLog#L122