FreeRTOS Hello World no interrupts to trigger ticks

[tlf30]

When testing with a microblaze core that has a AXI timer, freertos fails to get tick interrupts with the hello world example and the example simply hangs on the first vTaskDelay.

Is there additional configuration required?

[kedareswararao]

Hi @tlf30, How are you generating the freertos_hello_world application? if we use template flow(Generating new domain along with application) all the required configuration will be set by the flow, looks like you have created the hello_world application for the already existing platform in this case need to enable XILTIMER_en_interval_timer to true , Modify the configuration and regenerate the application and let us know the test results.

[tlf30]

Hello @kedareswararao, I am using a platform that I generated. It is a simple platform with two axi timers, axi uart lite, and a microblaze core connected to some ram.

I have tested with XILTIMER_en_interval_timer set to both true and false on my original project, thought that perhaps it was because I had fast interrupts enabled on the interrupt controller. I recreated the hardware from scratch with fast interrupts disabled. This has made no difference, and I have re-tested with XILTIMER_en_interval_timer set to true/false.

I am attaching my xsa here for reference. This is my first time using a Xilinx FPGA along with the tooling, so I am sure I have something wrong somewhere. If there is some specific files that I can provide for troubleshooting, please let me know.

design_1_wrapper.zip

EDIT: Current design for reference:

[tlf30]

@kedareswararao if it makes any difference, when I create the platform using the xsa file, I select FreeRTOS for the operating system. I would assume that it should setup all the needed parameters in the platform. The XILTIMER_en_interval_timer are set to false by default. But as mentioned I've tested with it set to true as well.

Any help is greatly appreciated. Thanks, Trevor