# SDK **URL:** https://forum.amebaiot.com/c/freertos/sdk/70.md [Latest](https://forum.amebaiot.com/latest.md) · [Categories](https://forum.amebaiot.com/categories.md) · [Tags](https://forum.amebaiot.com/tags.md) --- ## [About the FreeRTOS SDK category](https://forum.amebaiot.com/t/about-the-freertos-sdk-category/4421)
**Author:** [@emch](https://forum.amebaiot.com/u/emch)\ **Replies:** 0\ **Last updated:** [October 24, 2025, 5:58am UTC](https://forum.amebaiot.com/t/about-the-freertos-sdk-category/4421 "2025-10-24T05:58:58Z")
General discussion about the FreeRTOS SDK. 关于FreeRTOS SDK的一般性讨论。 --- ## [RTL8735BDM是否有支援sc231 senser](https://forum.amebaiot.com/t/rtl8735bdm-sc231-senser/5077)
**Author:** [@Arrow\_rick.lee](https://forum.amebaiot.com/u/Arrow_rick.lee)\ **Replies:** 2\ **Last updated:** [September 21, 2026, 9:30am UTC](https://forum.amebaiot.com/t/rtl8735bdm-sc231-senser/5077 "2026-09-21T09:30:51Z")
請問RTL8735BDM是否有支援SC231HAI senser嗎? SDK有看到driver(sensor\_sc231h.bin)， 但沒看到IQ相關檔案(iq\_sc231h.bin & fcs\_data\_sc231h.bin )， 請問這顆senser是沒有支援嗎?還是可以申請支援調整? 謝謝~~ --- ## [\[RTL8735B / AmebaPro2\] rtsp\_transport\_init() writes past the end of transport\[\]](https://forum.amebaiot.com/t/rtl8735b-amebapro2-rtsp-transport-init-writes-past-the-end-of-transport/5028)
**Author:** [@Hsu\_Shawn](https://forum.amebaiot.com/u/Hsu_Shawn)\ **Replies:** 6\ **Last updated:** [September 15, 2026, 5:01am UTC](https://forum.amebaiot.com/t/rtl8735b-amebapro2-rtsp-transport-init-writes-past-the-end-of-transport/5028 "2026-09-15T05:01:10Z")
Date: 2026-08-28 SDK: AmebaPro2 (Arduino 4.1.0 / ameba-rtos-pro2) File: component/network/rtsp/rtsp\_api.c Summary rtsp\_transport\_init() advances its pointer with += i instead of ++, so it visits array indices 0, 1, 3,… --- ## [Is there any jpeg capture (like snapshot) example with JX37 camera?](https://forum.amebaiot.com/t/is-there-any-jpeg-capture-like-snapshot-example-with-jx37-camera/5043)
**Author:** [@sl526](https://forum.amebaiot.com/u/sl526)\ **Replies:** 7\ **Last updated:** [September 10, 2026, 2:58pm UTC](https://forum.amebaiot.com/t/is-there-any-jpeg-capture-like-snapshot-example-with-jx37-camera/5043 "2026-09-10T14:58:12Z")
thansk for support in advanced, I saw couple examples for medial control in SDK, but seem most sample are processing video streaming, is there snapshot example ? I would like to capture one frame every 20ms and store a… --- ## [How to upload to cloud in remote locations](https://forum.amebaiot.com/t/how-to-upload-to-cloud-in-remote-locations/4839)
**Author:** [@boltsandbytes](https://forum.amebaiot.com/u/boltsandbytes)\ **Replies:** 5\ **Last updated:** [September 4, 2026, 10:14am UTC](https://forum.amebaiot.com/t/how-to-upload-to-cloud-in-remote-locations/4839 "2026-09-04T10:14:55Z")
Our application needs live viewing of remote cameras , is there any suggested way for the same. We saw in forum LTE dongles are not yet supported . What could be a way to integrate LTE modules with the rtl8735b . We wou… --- ## [BW16 RTL8720DN: Flashing works on FN4 (4MB) but fails on FN2 (2MB)](https://forum.amebaiot.com/t/bw16-rtl8720dn-flashing-works-on-fn4-4mb-but-fails-on-fn2-2mb/5036)
**Author:** [@neok511](https://forum.amebaiot.com/u/neok511)\ **Replies:** 2\ **Last updated:** [September 2, 2026, 9:46am UTC](https://forum.amebaiot.com/t/bw16-rtl8720dn-flashing-works-on-fn4-4mb-but-fails-on-fn2-2mb/5036 "2026-09-02T09:46:03Z")
Hi everyone, I am experimenting with the BW16 module (RTL8720DN) and ran into an issue using ImageTool.exe from the Ameba RTOS D repo. I am flashing the binaries to the standard addresses: km0\_boot\_all.bin @ 0x08000000… --- ## [Ameba Pro2 Font & Bitmap Tool Link / Documentation](https://forum.amebaiot.com/t/ameba-pro2-font-bitmap-tool-link-documentation/4406)
**Author:** [@ravinder](https://forum.amebaiot.com/u/ravinder)\ **Replies:** 32\ **Last updated:** [August 13, 2026, 7:50am UTC](https://forum.amebaiot.com/t/ameba-pro2-font-bitmap-tool-link-documentation/4406 "2026-08-13T07:50:37Z")
Hi all, I’m working with the Ameba Pro2 SDK and need to generate custom fonts and bitmaps for OSD. I’ve seen references to a Font Tool and a Bitmap Generate Tool in internal notes/images, but I cannot locate these tools… --- ## [No streaming video and audio after some seconds](https://forum.amebaiot.com/t/no-streaming-video-and-audio-after-some-seconds/2648)
**Author:** [@stefano.masotti](https://forum.amebaiot.com/u/stefano.masotti)\ **Replies:** 13\ **Last updated:** [July 29, 2026, 1:37am UTC](https://forum.amebaiot.com/t/no-streaming-video-and-audio-after-some-seconds/2648 "2026-07-29T01:37:06Z")
I’m using an ameba mini for streaming video and audio. I have uploaded the example configuration. Video and audio are only sent for a few seconds, then I don’t receive any video or audio. I can ping the card regularly, t… --- ## [Please recommend an IDE for FreeRTOS development and possible integration with AI tools](https://forum.amebaiot.com/t/please-recommend-an-ide-for-freertos-development-and-possible-integration-with-ai-tools/4958)
**Author:** [@kpyeo](https://forum.amebaiot.com/u/kpyeo)\ **Replies:** 1\ **Last updated:** [July 21, 2026, 10:02am UTC](https://forum.amebaiot.com/t/please-recommend-an-ide-for-freertos-development-and-possible-integration-with-ai-tools/4958 "2026-07-21T10:02:54Z")
Hi, I am using windows and is starting development on the AMB82MINI with FreeRTOS. Just want to ask if there is a recommend IDE to use where there in integration with AI tools like Claude Code. Thanks in advance! --- ## [Offline FreeRTOS Build & Flash Dashboard for AmebaPro2 + Fix for “UART Download UCFG Fail”](https://forum.amebaiot.com/t/offline-freertos-build-flash-dashboard-for-amebapro2-fix-for-uart-download-ucfg-fail/4931)
**Author:** [@inxnik](https://forum.amebaiot.com/u/inxnik)\ **Replies:** 1\ **Last updated:** [July 14, 2026, 3:35am UTC](https://forum.amebaiot.com/t/offline-freertos-build-flash-dashboard-for-amebapro2-fix-for-uart-download-ucfg-fail/4931 "2026-07-14T03:35:32Z")
Hi everyone, I ran into some issues flashing images onto the AmebaPRO2-mini. While investigating the root cause, I ended up building a small dashboard to automate the compilation and deployment of FreeRTOS builds to the… --- ## [Ameba-rtos-pro2 toolchain](https://forum.amebaiot.com/t/ameba-rtos-pro2-toolchain/4946)
**Author:** [@t112c53029](https://forum.amebaiot.com/u/t112c53029)\ **Replies:** 1\ **Last updated:** [July 14, 2026, 3:22am UTC](https://forum.amebaiot.com/t/ameba-rtos-pro2-toolchain/4946 "2026-07-14T03:22:50Z")
想請問有計劃未來會有support apple M系列晶片 arm版本的asdk-10.3.0 toolchain嗎?沒事了我用你們提供的macOS asdk-10.3.0-darwin-newlib-build-3659-x86\_64這個toolchain結合apple的Rosetta 編譯成功了 --- ## [Ameba-rtos 编译报错stdint.h找不到](https://forum.amebaiot.com/t/ameba-rtos-stdint-h/4928)
**Author:** [@yhb](https://forum.amebaiot.com/u/yhb)\ **Replies:** 2\ **Last updated:** [June 26, 2026, 12:24am UTC](https://forum.amebaiot.com/t/ameba-rtos-stdint-h/4928 "2026-06-26T00:24:13Z")
ubuntu环境，ameba-rtos的v1.2分支，拉取的全新代码。 按照文档依次执行 source env.sh ameba.py soc RTL8711F ameba.py build报错stdint.h找不到。 --- ## [Channel plan 0x2A for Australia shows no channels, unable to connect to 5G SSID](https://forum.amebaiot.com/t/channel-plan-0x2a-for-australia-shows-no-channels-unable-to-connect-to-5g-ssid/4854)
**Author:** [@airista\_islavov](https://forum.amebaiot.com/u/airista_islavov)\ **Replies:** 1\ **Last updated:** [June 4, 2026, 7:37am UTC](https://forum.amebaiot.com/t/channel-plan-0x2a-for-australia-shows-no-channels-unable-to-connect-to-5g-ssid/4854 "2026-06-04T07:37:25Z")
We were running tests with a client in Australia, they are using our new tags with uBlox module (/w RTL872x on board) and their environment is 5G. As we discussed before, setting the country using wifi\_set\_country became… --- ## [Sys\_reset is not consistent, why?](https://forum.amebaiot.com/t/sys-reset-is-not-consistent-why/4832)
**Author:** [@yugandhar](https://forum.amebaiot.com/u/yugandhar)\ **Replies:** 10\ **Last updated:** [May 29, 2026, 7:32am UTC](https://forum.amebaiot.com/t/sys-reset-is-not-consistent-why/4832 "2026-05-29T07:32:18Z")
Hi, I am calling sys\_reset to reboot the device. When it executed, the device stopped working and console not printing # when I press enter key and also I am not seeing booting debug messages until I reconnect the power… --- ## [Boot failure after OTA update](https://forum.amebaiot.com/t/boot-failure-after-ota-update/4834)
**Author:** [@yugandhar](https://forum.amebaiot.com/u/yugandhar)\ **Replies:** 11\ **Last updated:** [May 18, 2026, 9:54am UTC](https://forum.amebaiot.com/t/boot-failure-after-ota-update/4834 "2026-05-18T09:54:36Z")
Hi, We integrated OTA feature in our application and tested several times without any issues. But we observed a different issue recently. After OTA update, the device not booting at all and below is the captured log. Th… --- ## [AMB82-how to train nn\_model by myself](https://forum.amebaiot.com/t/amb82-how-to-train-nn-model-by-myself/4850)
**Author:** [@jojo\_jiang](https://forum.amebaiot.com/u/jojo_jiang)\ **Replies:** 1\ **Last updated:** [May 12, 2026, 3:56am UTC](https://forum.amebaiot.com/t/amb82-how-to-train-nn-model-by-myself/4850 "2026-05-12T03:56:41Z")
Hi Iot guys: I bought an AMB82 Mini board from internet. I want to train a nn\_model by myself and run it on AMB82. Are there any tools and reference documentation available? Thanks a lot. --- ## [Ameba Pro2: MP4 recording freezes when switching from H.264 to H.265](https://forum.amebaiot.com/t/ameba-pro2-mp4-recording-freezes-when-switching-from-h-264-to-h-265/4833)
**Author:** [@k-adarsh](https://forum.amebaiot.com/u/k-adarsh)\ **Replies:** 5\ **Last updated:** [May 6, 2026, 10:15am UTC](https://forum.amebaiot.com/t/ameba-pro2-mp4-recording-freezes-when-switching-from-h-264-to-h-265/4833 "2026-05-06T10:15:42Z")
I am working with the ameba-rtos-pro2 SDK and trying to run the media\_video\_to\_storage example. The example works perfectly using the default H.264 settings. However, when I attempt to switch to H.265 by modifying the f… --- ## [Documentation for secure boot and hardware crypto engines](https://forum.amebaiot.com/t/documentation-for-secure-boot-and-hardware-crypto-engines/4790)
**Author:** [@ra-s](https://forum.amebaiot.com/u/ra-s)\ **Replies:** 6\ **Last updated:** [May 6, 2026, 7:23am UTC](https://forum.amebaiot.com/t/documentation-for-secure-boot-and-hardware-crypto-engines/4790 "2026-05-06T07:23:39Z")
Hello group / support team, I’m using a ublox WIFI module NORA W30, including the Realtek open CUP RTL8720D. I saw in datasheets as well in the SDK (freeRTOS) that this CPU supports different cryptho engines (Integrat… --- ## [Best Way to Push to Cloud](https://forum.amebaiot.com/t/best-way-to-push-to-cloud/4823)
**Author:** [@boltsandbytes](https://forum.amebaiot.com/u/boltsandbytes)\ **Replies:** 6\ **Last updated:** [April 27, 2026, 6:24am UTC](https://forum.amebaiot.com/t/best-way-to-push-to-cloud/4823 "2026-04-27T06:24:30Z")
We have tested RTSP/Websocket seems to work well . We want to push video stream to Cloud as needed , what will be the most efficient way to do that. Devices are behind NAT so only outbound links would work. Is RTMP av… --- ## [How to get the restart reason](https://forum.amebaiot.com/t/how-to-get-the-restart-reason/4725)
**Author:** [@nsmith1024](https://forum.amebaiot.com/u/nsmith1024)\ **Replies:** 1\ **Last updated:** [April 20, 2026, 8:34am UTC](https://forum.amebaiot.com/t/how-to-get-the-restart-reason/4725 "2026-04-20T08:34:46Z")
My AMB82-mini board reboots randomly, i have the watchdog running, but i dont think thats the reason. Is there an api i can call to give the restart reason, or boot reason? Thanks --- ## [How to use more than 16MB flash on AMB82 Mini](https://forum.amebaiot.com/t/how-to-use-more-than-16mb-flash-on-amb82-mini/4651)
**Author:** [@yugandhar](https://forum.amebaiot.com/u/yugandhar)\ **Replies:** 9\ **Last updated:** [April 17, 2026, 10:19am UTC](https://forum.amebaiot.com/t/how-to-use-more-than-16mb-flash-on-amb82-mini/4651 "2026-04-17T10:19:36Z")
Hi, Currently 16MB flash available on AMB82 Mini board. But, for my application more than 16MB is required. Can anyone provide me the details to upgrade it to 32MB(I have Winbond one)? I think one change is flash parti… --- ## [Trying to build mmf2\_video\_example](https://forum.amebaiot.com/t/trying-to-build-mmf2-video-example/4828)
**Author:** [@boltsandbytes](https://forum.amebaiot.com/u/boltsandbytes)\ **Replies:** 1\ **Last updated:** [April 15, 2026, 6:48am UTC](https://forum.amebaiot.com/t/trying-to-build-mmf2-video-example/4828 "2026-04-15T06:48:27Z")
Hello I am trying to build the default mmf2\_video\_example\_v1\_init , I followed instructions and made the changes , The software builds i am able to flash it, it boots and then freezes - \[Driver\]: start auth to c4:27:28… --- ## [Linker error when compiling mmfv2\_video\_example](https://forum.amebaiot.com/t/linker-error-when-compiling-mmfv2-video-example/4812)
**Author:** [@k-adarsh](https://forum.amebaiot.com/u/k-adarsh)\ **Replies:** 1\ **Last updated:** [April 10, 2026, 9:36am UTC](https://forum.amebaiot.com/t/linker-error-when-compiling-mmfv2-video-example/4812 "2026-04-10T09:36:52Z")
I’m running into a linker error while trying to build this example: ameba-rtos-pro2/project/realtek\_amebapro2\_v0\_example/src/mmfv2\_video\_example at c4d145117c9410821aad08f1f1b74a168064a174 · Ameba-AIoT/ameba-rtos-pro2 · … --- ## [AMB82-Mini onboard camera sensor identification and VOE setup for wireless video and I2C](https://forum.amebaiot.com/t/amb82-mini-onboard-camera-sensor-identification-and-voe-setup-for-wireless-video-and-i2c/4777)
**Author:** [@Abi\_Rusalavitch](https://forum.amebaiot.com/u/Abi_Rusalavitch)\ **Replies:** 4\ **Last updated:** [April 1, 2026, 3:36am UTC](https://forum.amebaiot.com/t/amb82-mini-onboard-camera-sensor-identification-and-voe-setup-for-wireless-video-and-i2c/4777 "2026-04-01T03:36:46Z")
Hello, I am working with the AMB82-Mini (RTL8735B) development kit and trying to stream video wirelessly from the camera module that ships with the kit. My goal is to: capture video from the onboard camera transm… --- ## [Flashing standalone BW16 (RTL8720DN) via UART bridge instead of dev board](https://forum.amebaiot.com/t/flashing-standalone-bw16-rtl8720dn-via-uart-bridge-instead-of-dev-board/4778)
**Author:** [@neok511](https://forum.amebaiot.com/u/neok511)\ **Replies:** 0\ **Last updated:** [March 12, 2026, 6:41am UTC](https://forum.amebaiot.com/t/flashing-standalone-bw16-rtl8720dn-via-uart-bridge-instead-of-dev-board/4778 "2026-03-12T06:41:20Z")
Hello everyone, I have a question regarding flashing firmware using the native Ameba SDK (not Arduino) onto a standalone BW16 module (RTL8720DN) instead of the BW16 development board. Most information I have found desc… --- ## [RTL872xDx support](https://forum.amebaiot.com/t/rtl872xdx-support/4738)
**Author:** [@SaiCnvrr](https://forum.amebaiot.com/u/SaiCnvrr)\ **Replies:** 13\ **Last updated:** [March 11, 2026, 12:48pm UTC](https://forum.amebaiot.com/t/rtl872xdx-support/4738 "2026-03-11T12:48:26Z")
There are problems using Ameba - rtos - D. Namely, on the RTL8720DN model. The examples use the target for RTL8721D, but I did not find the use of RTL8720DN anywhere in the code, as well as the targets for its assembly. … --- ## [OSD not working when called in UVC Example](https://forum.amebaiot.com/t/osd-not-working-when-called-in-uvc-example/4765)
**Author:** [@guptaniks](https://forum.amebaiot.com/u/guptaniks)\ **Replies:** 1\ **Last updated:** [March 6, 2026, 9:21am UTC](https://forum.amebaiot.com/t/osd-not-working-when-called-in-uvc-example/4765 "2026-03-06T09:21:00Z")
Hi, I am trying to implement a basic text example OSD. I am using example\_media\_uvc. I called the example\_isp\_osd() function after video stream begins. Please check below screenshot. I am not able to see the teststrin… --- ## [Not found "audio/audio\_control.h"!](https://forum.amebaiot.com/t/not-found-audio-audio-control-h/4731)
**Author:** [@XiaoJun-username](https://forum.amebaiot.com/u/XiaoJun-username)\ **Replies:** 1\ **Last updated:** [February 24, 2026, 3:18am UTC](https://forum.amebaiot.com/t/not-found-audio-audio-control-h/4731 "2026-02-24T03:18:27Z")
/\* This used to check the USB issue \*/ /\* Note: Currently supported on AMEBASMART/AMEBADPLUS/AMEBAGREEN2, configuration CONFIG\_USBD\_AUDIO\_EN = 1 If EVB is AMEBAGREEN2 and CONFIG\_USBD\_AUDIO\_EN=1, then OS needs to be c… --- ## [Vscode](https://forum.amebaiot.com/t/vscode/4723)
**Author:** [@XiaoJun-username](https://forum.amebaiot.com/u/XiaoJun-username)\ **Replies:** 2\ **Last updated:** [February 11, 2026, 8:21am UTC](https://forum.amebaiot.com/t/vscode/4723 "2026-02-11T08:21:26Z")
Why is the “Chip” button gray and not clickable in VSCode? How can I make it recognize the SDK? --- ## [RTL8735BDM-A20-N04 Ethernet](https://forum.amebaiot.com/t/rtl8735bdm-a20-n04-ethernet/4642)
**Author:** [@Amit\_Jain](https://forum.amebaiot.com/u/Amit_Jain)\ **Replies:** 3\ **Last updated:** [February 4, 2026, 2:02pm UTC](https://forum.amebaiot.com/t/rtl8735bdm-a20-n04-ethernet/4642 "2026-02-04T14:02:21Z")
Hi, RTL8735BDM-A20-N04 Module have Ethernet option? Regards, Amit Jain [Next page](https://forum.amebaiot.com/c/freertos/sdk/70.md?page=1)