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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 |
|---|---|---|
| scutimer | <Vitis Install Directory>/data/embedded/XilinxProcessorIPLib/drivers/ospipsv | https://github.com/Xilinx/embeddedsw/tree/master/XilinxProcessorIPLib/drivers/scutimer |
| Info |
|---|
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/release-2020.1/XilinxProcessorIPLib/drivers/scutimer |
The driver source code is organized into different folders. The table below shows the scutimer driver source organization.
Directory | Description |
|---|---|
doc | Provides the API and data structure details |
data | Driver .tcl , .mdd and .mdd fileyaml files |
examples | Example applications that show how to use the driver features |
| src | Driver source files, make and cmakelists file |
Note: The .yaml(in data folder) and CMakeLists.txt(in src folder) files would be used in System Device Tree based flow.
Driver Implementation
For a full list of features supported by this IP, please refer section 8.2 of Zynq TRM
Features Supported
- 32-bit counter
- 8-bit prescaler
- can be used in normal mode or auto reload mode
- Support both increment and decrement counting
- The Timer hardware supports interrupts
Known issues and Limitations
- None
Example Applications
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.
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