wangwen-4220
commented
3 years ago @Norlander ,
Could you help us to get more data? First, run the project 3 times with netxduo and threadx projects are built with -Of or -Os. Second, run the project 3 times with netxduo and threadx projects are built with -Og. Please record the output.
Just to clarify that if the SNTP time sync failed, it is expected that the connect to iot hub will fail. Sometimes SNTP time sync will fail, it depends on your network condition.
Norlander
TiejunMS
Hi,
Downloaded the : Azure_RTOS_6.1_STM32F746G-DISCO_STM32CubeIDE_Samples_2020_10_10.zip Followed the pdf tutorial: Azure_RTOS_STM32F746G-DISCO_Azure_IoT_Embedded_SDK_For_STM32CubeIDE.pdf My STM32F746G-DISCO is connected via ethernet in my home network. DHCP/PSA2, no special restrictions...
I modify the samples_config.h and build the project successfully. Launch Teraterm to get debug output. Then launch the debugger in CubeIDE.
What happens?
Tera Term reports:
DHCP In Progress... IP address: 192.168.1.194 Mask: 255.255.255.0 Gateway: 192.168.1.1 DNS Server address: 192.168.1.1 SNTP Time Sync...
Sometimes when restarting exeuction of the application I can even get to: DHCP In Progress... IP address: 192.168.1.194 Mask: 255.255.255.0 Gateway: 192.168.1.1 DNS Server address: 192.168.1.1 SNTP Time Sync... SNTP Time Sync successfully. [INFO] Azure IoT Security Module has been enabled, status=0 IoTHub Host Name: MyF7Hub.azure-devices.net; Device ID: MyF7Kit.
Here it seems as if nothing else happen. After a minute my router completely chokes, and I am not able to surf on the other computers connected behind my router. It seems to crash... I notice in router log-files the following two lines spamed: Jan 20 22:59:48 [SSID] daemon.info dnsmasq-dhcp[101]: DHCPDISCOVER(br0) 00:11:22:33:44:56 Jan 20 22:59:48 [SSID]daemon.info dnsmasq-dhcp[101]: DHCPOFFER(br0) 192.168.1.194 00:11:22:33:44:56
I rely on the "Debug" build configuration in CubeIDE. I have not tried "Release". I notice that both netxduo and threadx projects are built with -Of or -Os. This makes it difficult to get good source code look-up with GCC/GDB so therefore I could not be sure if I was actually executing the functions the IDE told me I was debugging. Hence I re-compiled the netxduo and threadx with -Og.
Running again I get a bit further:
DHCP In Progress... IP address: 192.168.1.194 Mask: 255.255.255.0 Gateway: 192.168.1.1 DNS Server address: 192.168.1.1 SNTP Time Sync... SNTP Time Sync... SNTP Time Sync... SNTP Time Sync failed. Set Time to default value: SAMPLE_SYSTEM_TIME.[INFO] Azure IoT Security Module has been enabled, status=0 IoTHub Host Name: MyF7Hub.azure-devices.net; Device ID: MyF7Kit. [ERROR] IoTHub client connect fail: MQTT CONNECT FAIL status: 65669 Disconnected from IoTHub!: error code = 0x00010085 Failed on nx_azure_iot_hub_client_connect! [INFO] Azure IoT Security Module has been disabled, status=0
Tried restarting the debug CPU, and now finally:
DHCP In Progress... IP address: 192.168.1.194 Mask: 255.255.255.0 Gateway: 192.168.1.1 DNS Server address: 192.168.1.1 SNTP Time Sync... SNTP Time Sync successfully. [INFO] Azure IoT Security Module has been enabled, status=0 IoTHub Host Name: MyF7Hub.azure-devices.net; Device ID: MyF7Kit. Connected to IoTHub. Telemetry message send: {"Message ID":0}. Receive twin properties :{"desired":{"$version":1},"reported":{"$version":1}} Telemetry message send: {"Message ID":1}. Telemetry message send: {"Message ID":2}. Telemetry message send: {"Message ID":3}. Telemetry message send: {"Message ID":4}.
I tried reseting the board a number of time and now it works reliably... Tried without debugger connected. Also works...
At this point I dont know what is wrong, just reporting my findings...