# Partners & Sponsors **URL:** https://forums.freertos.org/c/partners-sponsors/8.md [Latest](https://forums.freertos.org/latest.md) · [Categories](https://forums.freertos.org/categories.md) · [Tags](https://forums.freertos.org/tags.md) --- ## [Zynq UltraScale+ FreeRTOS: XDpPsu interrupts work, but XDpDma interrupts never reach the driver handler](https://forums.freertos.org/t/zynq-ultrascale-freertos-xdppsu-interrupts-work-but-xdpdma-interrupts-never-reach-the-driver-handler/25136)
**Author:** [@SaraCliff](https://forums.freertos.org/u/SaraCliff)\ **Replies:** 5\ **Last updated:** [August 31, 2026, 7:00am UTC](https://forums.freertos.org/t/zynq-ultrascale-freertos-xdppsu-interrupts-work-but-xdpdma-interrupts-never-reach-the-driver-handler/25136 "2026-08-31T07:00:23Z")
Hi everyone, I am having an issue running the AMD/Xilinx xdpdma\_video\_example.c with FreeRTOS on a Zynq UltraScale+ MPSoC. Setup: AUP-ZU3 / XCZU3EG Vitis Unified 2025.2 FreeRTOS PS DisplayPort + DPDMA SDT flow The o… --- ## [Interrupts not working when booting FreeRTOS with barebox on Zynq Ultrascale+ on A53 on EL1\_NONSECURE Mode](https://forums.freertos.org/t/interrupts-not-working-when-booting-freertos-with-barebox-on-zynq-ultrascale-on-a53-on-el1-nonsecure-mode/18587)
**Author:** [@Borli](https://forums.freertos.org/u/Borli)\ **Replies:** 10\ **Last updated:** [August 17, 2026, 5:56am UTC](https://forums.freertos.org/t/interrupts-not-working-when-booting-freertos-with-barebox-on-zynq-ultrascale-on-a53-on-el1-nonsecure-mode/18587 "2026-08-17T05:56:36Z")
Hello everyone, I am currently trying to get Interrupts working on the freeRtos A53 Xilinx Port when booting in EL1\_NONSECURE Mode from barebox. This is the freeRtos implementation from Xilinx we are using: https://gith… --- ## [ZYNQ7000 XPAR\_XILTIMER\_ENABLED Macro definition prevents initialization of interrupt controller](https://forums.freertos.org/t/zynq7000-xpar-xiltimer-enabled-macro-definition-prevents-initialization-of-interrupt-controller/17356)
**Author:** [@xiuyangzhang](https://forums.freertos.org/u/xiuyangzhang)\ **Replies:** 5\ **Last updated:** [August 14, 2026, 6:50am UTC](https://forums.freertos.org/t/zynq7000-xpar-xiltimer-enabled-macro-definition-prevents-initialization-of-interrupt-controller/17356 "2026-08-14T06:50:27Z")
In zynq7000, the interrupt controller scugic is defined by freertos as a global variable xInterruptController. And in the task scheduling start function, FreeRTOS\_ The SetupTickInterrupt function is initialized. Since mo… --- ## [Can't get ISR actors registed in Tracealyzer](https://forums.freertos.org/t/cant-get-isr-actors-registed-in-tracealyzer/24870)
**Author:** [@MartinB](https://forums.freertos.org/u/MartinB)\ **Replies:** 10\ **Last updated:** [July 18, 2026, 9:37pm UTC](https://forums.freertos.org/t/cant-get-isr-actors-registed-in-tracealyzer/24870 "2026-07-18T21:37:49Z")
Hi Following up on the excellent advice given to the article given by @Boudewijn.Dijkstra . I decided to name as many objects as possible. I am however failing to see any ISRs showing up as actors. I have also noted … --- ## [CubeIDE w ST-LINKV3 debugger crashes on launch](https://forums.freertos.org/t/cubeide-w-st-linkv3-debugger-crashes-on-launch/25059)
**Author:** [@JFB](https://forums.freertos.org/u/JFB)\ **Replies:** 2\ **Last updated:** [June 23, 2026, 5:24am UTC](https://forums.freertos.org/t/cubeide-w-st-linkv3-debugger-crashes-on-launch/25059 "2026-06-23T05:24:44Z")
STM32CubeIDE v2.1.1 - ST-LINKV3 MINNIE latest version - FreeRTOS v10.3.1 - CMSIS-RTOS v2.1.3 STM32G0B1METx When launching a debug session I get the following: “Target is not responding, retrying…”. If I remove any ran… --- ## [FreeRTOS+TCP STM32H743 Ping/Broadcasts triggers RX Buffer Starvation](https://forums.freertos.org/t/freertos-tcp-stm32h743-ping-broadcasts-triggers-rx-buffer-starvation/25040)
**Author:** [@bjolaine](https://forums.freertos.org/u/bjolaine)\ **Replies:** 8\ **Last updated:** [June 18, 2026, 9:01am UTC](https://forums.freertos.org/t/freertos-tcp-stm32h743-ping-broadcasts-triggers-rx-buffer-starvation/25040 "2026-06-18T09:01:27Z")
Hi! I encounter a problem that seem to be the exact same as the one encountered by @pgreenland in his FreeRTOS+TCP STM32H7 UDP Ping Lockup RX Buffer Starvation or at least a very similar one. The problem occurs even whe… --- ## [SEGGER Ozone FreeRTOS Awareness Plugin for TMS570LC4357 (Cortex-R5F) - Example Projects or Resources](https://forums.freertos.org/t/segger-ozone-freertos-awareness-plugin-for-tms570lc4357-cortex-r5f-example-projects-or-resources/25039)
**Author:** [@Electronics](https://forums.freertos.org/u/Electronics)\ **Replies:** 1\ **Last updated:** [June 10, 2026, 10:33am UTC](https://forums.freertos.org/t/segger-ozone-freertos-awareness-plugin-for-tms570lc4357-cortex-r5f-example-projects-or-resources/25039 "2026-06-10T10:33:18Z")
Hi All I am planning to use SEGGER J-Trace PRO with Ozone for real-time trace and RTOS awareness debugging on TI TMS570LC4357 MCU. I understand that Ozone’s built-in FreeRTOS awareness plugins do not natively support C… --- ## [MicroBlaze compilation error when upgrading to FreeRTOS v11.3.0](https://forums.freertos.org/t/microblaze-compilation-error-when-upgrading-to-freertos-v11-3-0/24994)
**Author:** [@fyilmaz](https://forums.freertos.org/u/fyilmaz)\ **Replies:** 3\ **Last updated:** [May 12, 2026, 9:47am UTC](https://forums.freertos.org/t/microblaze-compilation-error-when-upgrading-to-freertos-v11-3-0/24994 "2026-05-12T09:47:10Z")
Hello, I am upgrading to FreeRTOS Kernel v11.3.0 on MicroBlazeV9 and I get build errors in portasm.S: portSLR\_OFFSET undefined portSHR\_OFFSET undefined My design uses MicroBlaze Hardware Stack Protection (XPAR\_… --- ## [How to integrate LVGL with FreeRTOS on STM32N6570-DK?](https://forums.freertos.org/t/how-to-integrate-lvgl-with-freertos-on-stm32n6570-dk/24949)
**Author:** [@Keval.Bhalodia](https://forums.freertos.org/u/Keval.Bhalodia)\ **Replies:** 2\ **Last updated:** [April 15, 2026, 6:56pm UTC](https://forums.freertos.org/t/how-to-integrate-lvgl-with-freertos-on-stm32n6570-dk/24949 "2026-04-15T18:56:56Z")
Hi everyone, I am working with the STM32N6570-DK board and would like to integrate LVGL with FreeRTOS. Could anyone guide me on the correct approach to run LVGL on top of FreeRTOS for this platform? Specifically, I am … --- ## [Problem on pl to ps interrupt with freertos on vitis ide 2024.2](https://forums.freertos.org/t/problem-on-pl-to-ps-interrupt-with-freertos-on-vitis-ide-2024-2/24928)
**Author:** [@l.ricci](https://forums.freertos.org/u/l.ricci)\ **Replies:** 2\ **Last updated:** [April 2, 2026, 6:51pm UTC](https://forums.freertos.org/t/problem-on-pl-to-ps-interrupt-with-freertos-on-vitis-ide-2024-2/24928 "2026-04-02T18:51:51Z")
Hi everyone, I’m working with Zynq7020 (ZC702 Board). I created a Vivado project where i generate interrupts from PL to PS. The following image shows that two debounced pushbuttons are connected to the line IRQ\_F2P of Z… --- ## [FreeRTOS+TCP STM32H7 UDP Ping Lockup RX Buffer Starvation](https://forums.freertos.org/t/freertos-tcp-stm32h7-udp-ping-lockup-rx-buffer-starvation/24834)
**Author:** [@pgreenland](https://forums.freertos.org/u/pgreenland)\ **Replies:** 21\ **Last updated:** [March 15, 2026, 4:27pm UTC](https://forums.freertos.org/t/freertos-tcp-stm32h7-udp-ping-lockup-rx-buffer-starvation/24834 "2026-03-15T16:27:05Z")
Hi All, I’m looking for some pointers on debugging a FreeRTOS+TCP issue on an STM32H7. Using FreeRTOS: 11.2.0 With FreeRTOS+TCP: 4.3.3 The unit receives requests and sends responses via UDP. On the whole it performs… --- ## [Multiple Instance on Multicore](https://forums.freertos.org/t/multiple-instance-on-multicore/24891)
**Author:** [@marcocortecchia](https://forums.freertos.org/u/marcocortecchia)\ **Replies:** 5\ **Last updated:** [February 24, 2026, 5:31am UTC](https://forums.freertos.org/t/multiple-instance-on-multicore/24891 "2026-02-24T05:31:10Z")
Hello , I’m new of FreeRTOS , I’m using it on Infineon AURIX , I’m able to run on 1 core only , i made small changes to the infineon port , selecting what core I want to use . It work fine , but now I would like to run … --- ## [Problems after updating to traceviewer 4.11.1](https://forums.freertos.org/t/problems-after-updating-to-traceviewer-4-11-1/24849)
**Author:** [@MartinB](https://forums.freertos.org/u/MartinB)\ **Replies:** 8\ **Last updated:** [January 28, 2026, 11:48am UTC](https://forums.freertos.org/t/problems-after-updating-to-traceviewer-4-11-1/24849 "2026-01-28T11:48:09Z")
Hi After updating to 4.11.1, im facing a few problems. my \_\_\_stack\_chk\_fail function gets called as xTraceEventCreate1 is returned. in trcTaskMonitor.c, there is an assumption that standard stdio.h can always used. It… --- ## [Anyone who ported freertos plus tcp on STM32H743？](https://forums.freertos.org/t/anyone-who-ported-freertos-plus-tcp-on-stm32h743/23768)
**Author:** [@capw](https://forums.freertos.org/u/capw)\ **Replies:** 2\ **Last updated:** [January 22, 2026, 3:40am UTC](https://forums.freertos.org/t/anyone-who-ported-freertos-plus-tcp-on-stm32h743/23768 "2026-01-22T03:40:39Z")
Anyone who ported freertos plus tcp on STM32H743？ --- ## [Dual-Core Inter Processor Interrupts on Zynq Ultrascale MPSoC](https://forums.freertos.org/t/dual-core-inter-processor-interrupts-on-zynq-ultrascale-mpsoc/24791)
**Author:** [@KelanZielinski](https://forums.freertos.org/u/KelanZielinski)\ **Replies:** 1\ **Last updated:** [December 31, 2025, 8:42am UTC](https://forums.freertos.org/t/dual-core-inter-processor-interrupts-on-zynq-ultrascale-mpsoc/24791 "2025-12-31T08:42:58Z")
Hello, I am trying to set up interrupts between 2 cores on the Cortex A53. I am able to successfully fire an IPI from core 1 to core 0 but I can not figure out my issue when trying to fire an interrupt from core 0 to cor… --- ## [How to check client IP before connection in FreeRTOS+TCP server (RA6M3)](https://forums.freertos.org/t/how-to-check-client-ip-before-connection-in-freertos-tcp-server-ra6m3/24764)
**Author:** [@taki](https://forums.freertos.org/u/taki)\ **Replies:** 8\ **Last updated:** [December 8, 2025, 4:47am UTC](https://forums.freertos.org/t/how-to-check-client-ip-before-connection-in-freertos-tcp-server-ra6m3/24764 "2025-12-08T04:47:00Z")
Hello, I am using FreeRTOS+TCP on a Renesas RA6M3 device. The device acts as a server, and I want to allow connections only from specific client IP addresses. Currently, I check the client IP address after FreeRTOS\_ac… --- ## [Sdcard interfacing with STM32 using freertos](https://forums.freertos.org/t/sdcard-interfacing-with-stm32-using-freertos/24746)
**Author:** [@Shubham0606](https://forums.freertos.org/u/Shubham0606)\ **Replies:** 1\ **Last updated:** [November 28, 2025, 9:48am UTC](https://forums.freertos.org/t/sdcard-interfacing-with-stm32-using-freertos/24746 "2025-11-28T09:48:42Z")
i have interfaced sdcard with stm32 but when make code using freertos sdcard is only shows mounted successfully but it unable to create file and write some content into it . --- ## [Jump to FreeRTOS application](https://forums.freertos.org/t/jump-to-freertos-application/23644)
**Author:** [@Qabudhaim](https://forums.freertos.org/u/Qabudhaim)\ **Replies:** 27\ **Last updated:** [November 13, 2025, 7:41am UTC](https://forums.freertos.org/t/jump-to-freertos-application/23644 "2025-11-13T07:41:07Z")
Hi all, I have developed a bootloader for STM32F412, the bootloader works perfectly with bare-metal apps, however, when I change the user app to be FreeRTOS based, it ceases to work. I added a blink led in the Hard Fau… --- ## [Static diagram tool - multiple tasks in code](https://forums.freertos.org/t/static-diagram-tool-multiple-tasks-in-code/23936)
**Author:** [@vindhyachal.takniki](https://forums.freertos.org/u/vindhyachal.takniki)\ **Replies:** 5\ **Last updated:** [October 12, 2025, 12:02pm UTC](https://forums.freertos.org/t/static-diagram-tool-multiple-tasks-in-code/23936 "2025-10-12T12:02:00Z")
1.started usinng freerots, have multiple tasks like ble server, wifi, pwm, adc, nvs, etc 2. Now as code increases, new tasks keep on adding, is there any good static digarm tool which can make a diagram of all tasks & g… --- ## [FreeRTOS.h can't be found](https://forums.freertos.org/t/freertos-h-cant-be-found/23866)
**Author:** [@liu-zhou-L](https://forums.freertos.org/u/liu-zhou-L)\ **Replies:** 5\ **Last updated:** [September 19, 2025, 4:22pm UTC](https://forums.freertos.org/t/freertos-h-cant-be-found/23866 "2025-09-19T16:22:23Z")
./FreeRTOS/Source/croutine.c:29:10: fatal error: FreeRTOS.h: No such file or directory 29 | #include “FreeRTOS.h” | ^~~~~… --- ## [FreeRTOS+TCP Xil\_DCache usage in zynq port](https://forums.freertos.org/t/freertos-tcp-xil-dcache-usage-in-zynq-port/23846)
**Author:** [@Ddiimmaann](https://forums.freertos.org/u/Ddiimmaann)\ **Replies:** 2\ **Last updated:** [September 12, 2025, 10:48am UTC](https://forums.freertos.org/t/freertos-tcp-xil-dcache-usage-in-zynq-port/23846 "2025-09-12T10:48:45Z")
Hello. I’m writing application on Zynq involving AXI Ethernet with DMA. I’m using Zynq port as an example of working with DMA. If Ethernet buffers are in cached memory we need to flush and invalidate cache (x\_emacpsif\_dm… --- ## [Entry to Freertos from a separate bootloader result in fault in xPortPendSVHandler](https://forums.freertos.org/t/entry-to-freertos-from-a-separate-bootloader-result-in-fault-in-xportpendsvhandler/23843)
**Author:** [@Toroid82](https://forums.freertos.org/u/Toroid82)\ **Replies:** 1\ **Last updated:** [September 11, 2025, 9:15am UTC](https://forums.freertos.org/t/entry-to-freertos-from-a-separate-bootloader-result-in-fault-in-xportpendsvhandler/23843 "2025-09-11T09:15:02Z")
Hello I made a separate bootloader to run a freertos application. I have done this many times before but this time using STM32H753 the process has been slightly different from the past. So I wanted to document it here i… --- ## [Tracealyzer in extended memory?](https://forums.freertos.org/t/tracealyzer-in-extended-memory/23820)
**Author:** [@madyn](https://forums.freertos.org/u/madyn)\ **Replies:** 26\ **Last updated:** [September 10, 2025, 3:29pm UTC](https://forums.freertos.org/t/tracealyzer-in-extended-memory/23820 "2025-09-10T15:29:50Z")
ST Micro L562 processor, 256K SRAM, 512K Flash, custom hardware, STLink MINI as a debugger, latest version of trace recorder installed by CubeMXIDE. I have available a segment of 100K bytes of extended memory on a QSPI … --- ## [Are user events safe in ISR?](https://forums.freertos.org/t/are-user-events-safe-in-isr/23822)
**Author:** [@mike919192](https://forums.freertos.org/u/mike919192)\ **Replies:** 3\ **Last updated:** [September 5, 2025, 7:13am UTC](https://forums.freertos.org/t/are-user-events-safe-in-isr/23822 "2025-09-05T07:13:41Z")
Is it safe to call the user event logging from an ISR? Something like this for example where I have an encoder interrupt, I want to log the encoder value immediately and then notify the task to execute afterwards. void… --- ## [Creating multiple tasks with same priority](https://forums.freertos.org/t/creating-multiple-tasks-with-same-priority/23786)
**Author:** [@matricir](https://forums.freertos.org/u/matricir)\ **Replies:** 8\ **Last updated:** [August 26, 2025, 9:11am UTC](https://forums.freertos.org/t/creating-multiple-tasks-with-same-priority/23786 "2025-08-26T09:11:01Z")
Hello all, I am creating 3 infinite loop tasks that call the same function to connect to a tcp server port via lwip, when a successful connection is made it creates 2 further tasks. I can connect to all 3 ports but afte… --- ## [Could changing the SysTick interrupt priority to a higher level cause the system to reboot](https://forums.freertos.org/t/could-changing-the-systick-interrupt-priority-to-a-higher-level-cause-the-system-to-reboot/23762)
**Author:** [@Saikrishnakumbham](https://forums.freertos.org/u/Saikrishnakumbham)\ **Replies:** 3\ **Last updated:** [August 24, 2025, 4:07pm UTC](https://forums.freertos.org/t/could-changing-the-systick-interrupt-priority-to-a-higher-level-cause-the-system-to-reboot/23762 "2025-08-24T16:07:45Z")
On an STM32H7 running FreeRTOS, if you raise the SysTick interrupt priority from 15 to 4, set configMAX\_SYSCALL\_INTERRUPT\_PRIORITY to 5, and keep PendSV at priority 15, what impact does that have on the system? --- ## [Strange behavior with FreeRTOS-Plus-TCP on STM32H563ZI](https://forums.freertos.org/t/strange-behavior-with-freertos-plus-tcp-on-stm32h563zi/23746)
**Author:** [@djacobow](https://forums.freertos.org/u/djacobow)\ **Replies:** 3\ **Last updated:** [August 20, 2025, 3:45am UTC](https://forums.freertos.org/t/strange-behavior-with-freertos-plus-tcp-on-stm32h563zi/23746 "2025-08-20T03:45:05Z")
Hi folks, I’m trying to bring up FreeRTOS and FreeRTO-Plus-TCP on a Nucleo Board with an STM32H563ZI on it and am experiencing a strange issue where the IP stack simply doesn’t seem to work at first until after you poke… --- ## [RH850 ports freertos, bootloader (0x00000000) jumps to app (0x50000) fails to run](https://forums.freertos.org/t/rh850-ports-freertos-bootloader-0x00000000-jumps-to-app-0x50000-fails-to-run/23711)
**Author:** [@chenxi-zh](https://forums.freertos.org/u/chenxi-zh)\ **Replies:** 2\ **Last updated:** [August 11, 2025, 4:51pm UTC](https://forums.freertos.org/t/rh850-ports-freertos-bootloader-0x00000000-jumps-to-app-0x50000-fails-to-run/23711 "2025-08-11T16:51:05Z")
I refer to RH850 for freertos and have successfully ported freertos on RH850 F1KM-S1, but I’m having the following problem: My app code is compiled according to the starting address of 0x00000000, and the burning can r… --- ## [Got Error when attempt to build the project on Keli](https://forums.freertos.org/t/got-error-when-attempt-to-build-the-project-on-keli/23645)
**Author:** [@Black018872](https://forums.freertos.org/u/Black018872)\ **Replies:** 7\ **Last updated:** [August 5, 2025, 9:17am UTC](https://forums.freertos.org/t/got-error-when-attempt-to-build-the-project-on-keli/23645 "2025-08-05T09:17:56Z")
Good morning . I generated the project from Stm32Cube with FreeRtos as middleware software . when i attempt to build the project it showed a issue : Blockquote ../Middlewares/Third\_Party/FreeRTOS/Source/list.c(30): w… --- ## [Is freeRTOS related with HP-UX B.10.20 OS](https://forums.freertos.org/t/is-freertos-related-with-hp-ux-b-10-20-os/23664)
**Author:** [@gucheng](https://forums.freertos.org/u/gucheng)\ **Replies:** 1\ **Last updated:** [August 4, 2025, 7:45am UTC](https://forums.freertos.org/t/is-freertos-related-with-hp-ux-b-10-20-os/23664 "2025-08-04T07:45:47Z")
Hi Team, we are using freeRTOS that is bundled with Renesas RA micro in our product. does this freeRTOS version have code from HP-UX B.10.20 OS? or related with HP-UX B.10.20 OS in some way? Best Gu [Next page](https://forums.freertos.org/c/partners-sponsors/8.md?page=1)