This page gives an overview of SCU Watchdog BareMetal driver
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 |
---|---|---|
scuwdt | <Vitis Install Directory>/data/embedded/XilinxProcessorIPLib/drivers/scuwdt | https://github.com/Xilinx/embeddedsw/tree/master/XilinxProcessorIPLib/drivers/scuwdt |
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/master/XilinxProcessorIPLib/drivers/scuwdt |
The driver source code is organized into different folders. The table below shows the scuwdt driver source organization.
Directory | Description |
---|---|
src | Driver source files, make and cmakelists file |
examples | Example applications that show how to use the driver features |
doc | Provides the API and data structure details |
data | Driver .tcl , .mdd and .yaml files |
Note: The .yaml(in data folder) and CMakeLists.txt(in src folder) files would be used in System Device Tree based flow.
For a full list of features supported by this IP, please refer Chapter 14: Timers and clocks in Zynqmp Trm
None
Examples Path:
https://github.com/Xilinx/embeddedsw/tree/master/XilinxProcessorIPLib/drivers/scuwdt/examples
Test Name | Example source | Description |
---|---|---|
Polled | xscuwdt_polled_example.c | This example tests the functioning of the Scu Private WDT driver and hardware in Timer mode using polled mode. |
Interrupt | xscuwdt_intr_example.c | This example tests the functioning of the Scu Private WDT driver and hardware in Timer mode using interrupt mode. |
Expected Output
SCU WDT Polled Mode Example Test Successfully ran SCU WDT Polled Mode Example Test |
SCU WDT Interrupt Example Test Successfully ran SCU WDT Interrupt Example Test |