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 |
---|---|---|
uartlite | <Vitis Install Directory>/data/embedded/XilinxProcessorIPLib/drivers/uartlite | https://github.com/Xilinx/embeddedsw/tree/master/XilinxProcessorIPLib/drivers/uartlite |
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/uartlite |
The driver source code is organized into different folders. The table below shows the uartlite 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 https://www.xilinx.com/support/documentation/ip_documentation/axi_uartlite/v2_0/pg142-axi-uartlite.pdf
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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/uartlite/examples
Test Name | Example Source | Description |
---|---|---|
Uartlite interrupt example | xuartlite_intr_example.c | This example sends and receives data using interrupts. |
Uartlite polled example | xuartlite_polled_example.c | This example sends and receives data using polling. |
Uartlite tapp interrupt example | xuartlite_intr_tapp_example.c | This example just transmits the data using interrupts. |
Successfully ran Uartlite interrupt Example |
This example sends and receives data using polling.
Expected Output
Successfully ran Uartlite polled Example |
Successfully ran Uartlite interrupt tapp Example |
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https://github.com/Xilinx/embeddedsw/blob/xilinx_v2021.1/doc/ChangeLog#L483
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