Movatterモバイル変換

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Change maximum UDP datagram buffer size#598

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aqw42
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UDP packet will not send if its size is greater than 508, and the issue is hard to debug. I made this modification on my side and it works fine. Maybe add a warning if it is exceeded, instead of failing silently ?

UDP packet will not send if its size is greater than 508, and the issue is hard to debug.I made this modification on my side and it works fine.Maybe add a warning if it is exceeded, instead of failing silently ?
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CLAassistant commentedDec 23, 2022•
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Memory usage change @cb81df2

Boardflash%RAM for global variables%
arduino:mbed:envie_m40 - 00.0 - 0.00 - 00.0 - 0.0
arduino:mbed:envie_m70 - 00.0 - 0.00 - 00.0 - 0.0
arduino:mbed:nano33ble0 - 00.0 - 0.00 - 00.0 - 0.0
arduino:mbed:nanorp2040connect0 - 00.0 - 0.00 - 00.0 - 0.0
arduino:mbed:nicla_sense0 - 00.0 - 0.00 - 00.0 - 0.0
arduino:mbed:nicla_vision0 - 00.0 - 0.00 - 00.0 - 0.0
Click for full report table
Boardlibraries/Scheduler/examples/MultipleBlinks
flash		%libraries/Scheduler/examples/MultipleBlinks
RAM for global variables		%libraries/doom/examples/Doom
flash		%libraries/doom/examples/Doom
RAM for global variables		%libraries/KernelDebug/examples/KernelDebug
flash		%libraries/KernelDebug/examples/KernelDebug
RAM for global variables		%libraries/Portenta_SDCARD/examples/TestSDCARD
flash		%libraries/Portenta_SDCARD/examples/TestSDCARD
RAM for global variables		%libraries/Portenta_SDRAM/examples/SDRAM_operations
flash		%libraries/Portenta_SDRAM/examples/SDRAM_operations
RAM for global variables		%libraries/Portenta_Video/examples/ArduinoLogo
flash		%libraries/Portenta_Video/examples/ArduinoLogo
RAM for global variables		%libraries/RPC/examples/BootM4_from_SDRAM
flash		%libraries/RPC/examples/BootM4_from_SDRAM
RAM for global variables		%libraries/RPC/examples/PortentaX8_EchoServer
flash		%libraries/RPC/examples/PortentaX8_EchoServer
RAM for global variables		%libraries/RPC/examples/RPC_m4
flash		%libraries/RPC/examples/RPC_m4
RAM for global variables		%libraries/RPC/examples/SerialPassthrough_RPC
flash		%libraries/RPC/examples/SerialPassthrough_RPC
RAM for global variables		%libraries/PDM/examples/PDMSerialPlotter
flash		%libraries/PDM/examples/PDMSerialPlotter
RAM for global variables		%libraries/Camera/examples/CameraCaptureRawBytes
flash		%libraries/Camera/examples/CameraCaptureRawBytes
RAM for global variables		%libraries/Camera/examples/CameraMotionDetect
flash		%libraries/Camera/examples/CameraMotionDetect
RAM for global variables		%libraries/Portenta_lvgl/examples/Portenta_lvgl
flash		%libraries/Portenta_lvgl/examples/Portenta_lvgl
RAM for global variables		%libraries/STM32H747_System/examples/QSPIFReadPartitions
flash		%libraries/STM32H747_System/examples/QSPIFReadPartitions
RAM for global variables		%libraries/STM32H747_System/examples/QSPIFormat
flash		%libraries/STM32H747_System/examples/QSPIFormat
RAM for global variables		%libraries/STM32H747_System/examples/STM32H747_getBootloaderInfo
flash		%libraries/STM32H747_System/examples/STM32H747_getBootloaderInfo
RAM for global variables		%libraries/STM32H747_System/examples/STM32H747_getResetReason
flash		%libraries/STM32H747_System/examples/STM32H747_getResetReason
RAM for global variables		%libraries/STM32H747_System/examples/STM32H747_manageBootloader
flash		%libraries/STM32H747_System/examples/STM32H747_manageBootloader
RAM for global variables		%libraries/STM32H747_System/examples/WiFiFirmwareUpdater
flash		%libraries/STM32H747_System/examples/WiFiFirmwareUpdater
RAM for global variables		%libraries/ThreadDebug/examples/ThreadDebug
flash		%libraries/ThreadDebug/examples/ThreadDebug
RAM for global variables		%libraries/USBHID/examples/Keyboard
flash		%libraries/USBHID/examples/Keyboard
RAM for global variables		%libraries/USBHID/examples/Mouse
flash		%libraries/USBHID/examples/Mouse
RAM for global variables		%libraries/USBHOST/examples/KeyboardController
flash		%libraries/USBHOST/examples/KeyboardController
RAM for global variables		%libraries/USBHOST/examples/Shell
flash		%libraries/USBHOST/examples/Shell
RAM for global variables		%libraries/USBMSD/examples/AccessFlashAsUSBDisk
flash		%libraries/USBMSD/examples/AccessFlashAsUSBDisk
RAM for global variables		%libraries/WiFi/examples/WiFiWebClient
flash		%libraries/WiFi/examples/WiFiWebClient
RAM for global variables		%libraries/GSM/examples/GNSSClient
flash		%libraries/GSM/examples/GNSSClient
RAM for global variables		%libraries/GSM/examples/GSMClient
flash		%libraries/GSM/examples/GSMClient
RAM for global variables		%libraries/GSM/examples/MicroNMEA_integration
flash		%libraries/GSM/examples/MicroNMEA_integration
RAM for global variables		%libraries/USBMSD/examples/Nano33BLE_FlashMassStorage
flash		%libraries/USBMSD/examples/Nano33BLE_FlashMassStorage
RAM for global variables		%/home/runner/Arduino/libraries/WiFiNINA/examples/AP_SimpleWebServer
flash		%/home/runner/Arduino/libraries/WiFiNINA/examples/AP_SimpleWebServer
RAM for global variables		%/home/runner/Arduino/libraries/WiFiNINA/examples/ConnectNoEncryption
flash		%/home/runner/Arduino/libraries/WiFiNINA/examples/ConnectNoEncryption
RAM for global variables		%/home/runner/Arduino/libraries/WiFiNINA/examples/ConnectWithWEP
flash		%/home/runner/Arduino/libraries/WiFiNINA/examples/ConnectWithWEP
RAM for global variables		%/home/runner/Arduino/libraries/WiFiNINA/examples/ConnectWithWPA
flash		%/home/runner/Arduino/libraries/WiFiNINA/examples/ConnectWithWPA
RAM for global variables		%/home/runner/Arduino/libraries/WiFiNINA/examples/ConnectWithWPA2Enterprise
flash		%/home/runner/Arduino/libraries/WiFiNINA/examples/ConnectWithWPA2Enterprise
RAM for global variables		%/home/runner/Arduino/libraries/WiFiNINA/examples/ScanNetworks
flash		%/home/runner/Arduino/libraries/WiFiNINA/examples/ScanNetworks
RAM for global variables		%/home/runner/Arduino/libraries/WiFiNINA/examples/ScanNetworksAdvanced
flash		%/home/runner/Arduino/libraries/WiFiNINA/examples/ScanNetworksAdvanced
RAM for global variables		%/home/runner/Arduino/libraries/WiFiNINA/examples/SimpleWebServerWiFi
flash		%/home/runner/Arduino/libraries/WiFiNINA/examples/SimpleWebServerWiFi
RAM for global variables		%/home/runner/Arduino/libraries/WiFiNINA/examples/Tools/CheckFirmwareVersion
flash		%/home/runner/Arduino/libraries/WiFiNINA/examples/Tools/CheckFirmwareVersion
RAM for global variables		%/home/runner/Arduino/libraries/WiFiNINA/examples/Tools/FirmwareUpdater
flash		%/home/runner/Arduino/libraries/WiFiNINA/examples/Tools/FirmwareUpdater
RAM for global variables		%/home/runner/Arduino/libraries/WiFiNINA/examples/Tools/SerialNINAPassthrough
flash		%/home/runner/Arduino/libraries/WiFiNINA/examples/Tools/SerialNINAPassthrough
RAM for global variables		%/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiChatServer
flash		%/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiChatServer
RAM for global variables		%/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiPing
flash		%/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiPing
RAM for global variables		%/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiSSLClient
flash		%/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiSSLClient
RAM for global variables		%/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiStorage
flash		%/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiStorage
RAM for global variables		%/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiUdpNtpClient
flash		%/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiUdpNtpClient
RAM for global variables		%/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiUdpSendReceiveString
flash		%/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiUdpSendReceiveString
RAM for global variables		%/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiWebClient
flash		%/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiWebClient
RAM for global variables		%/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiWebClientRepeating
flash		%/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiWebClientRepeating
RAM for global variables		%/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiWebServer
flash		%/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiWebServer
RAM for global variables		%libraries/Nicla_System/examples/Blink_Nicla
flash		%libraries/Nicla_System/examples/Blink_Nicla
RAM for global variables		%/home/runner/Arduino/libraries/Arduino_BHY2/examples/App
flash		%/home/runner/Arduino/libraries/Arduino_BHY2/examples/App
RAM for global variables		%/home/runner/Arduino/libraries/Arduino_BHY2/examples/BHYFirmwareUpdate
flash		%/home/runner/Arduino/libraries/Arduino_BHY2/examples/BHYFirmwareUpdate
RAM for global variables		%/home/runner/Arduino/libraries/Arduino_BHY2/examples/DataHarvester
flash		%/home/runner/Arduino/libraries/Arduino_BHY2/examples/DataHarvester
RAM for global variables		%/home/runner/Arduino/libraries/Arduino_BHY2/examples/Fail_Safe_flasher
flash		%/home/runner/Arduino/libraries/Arduino_BHY2/examples/Fail_Safe_flasher
RAM for global variables		%/home/runner/Arduino/libraries/Arduino_BHY2/examples/ReadSensorConfiguration
flash		%/home/runner/Arduino/libraries/Arduino_BHY2/examples/ReadSensorConfiguration
RAM for global variables		%/home/runner/Arduino/libraries/Arduino_BHY2/examples/ShowSensorList
flash		%/home/runner/Arduino/libraries/Arduino_BHY2/examples/ShowSensorList
RAM for global variables		%/home/runner/Arduino/libraries/Arduino_BHY2/examples/Standalone
flash		%/home/runner/Arduino/libraries/Arduino_BHY2/examples/Standalone
RAM for global variables		%/home/runner/Arduino/libraries/Arduino_BHY2/examples/StandaloneFlashStorage
flash		%/home/runner/Arduino/libraries/Arduino_BHY2/examples/StandaloneFlashStorage
RAM for global variables		%
arduino:mbed:envie_m400.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.0
arduino:mbed:envie_m700.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.0
arduino:mbed:nano33ble00.000.000.000.000.000.000.000.000.000.000.000.0
arduino:mbed:nanorp2040connect00.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.0
arduino:mbed:nicla_sense00.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.0
arduino:mbed:nicla_vision00.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.0
Click for full report CSV
Board,libraries/Scheduler/examples/MultipleBlinks<br>flash,%,libraries/Scheduler/examples/MultipleBlinks<br>RAM for global variables,%,libraries/doom/examples/Doom<br>flash,%,libraries/doom/examples/Doom<br>RAM for global variables,%,libraries/KernelDebug/examples/KernelDebug<br>flash,%,libraries/KernelDebug/examples/KernelDebug<br>RAM for global variables,%,libraries/Portenta_SDCARD/examples/TestSDCARD<br>flash,%,libraries/Portenta_SDCARD/examples/TestSDCARD<br>RAM for global variables,%,libraries/Portenta_SDRAM/examples/SDRAM_operations<br>flash,%,libraries/Portenta_SDRAM/examples/SDRAM_operations<br>RAM for global variables,%,libraries/Portenta_Video/examples/ArduinoLogo<br>flash,%,libraries/Portenta_Video/examples/ArduinoLogo<br>RAM for global variables,%,libraries/RPC/examples/BootM4_from_SDRAM<br>flash,%,libraries/RPC/examples/BootM4_from_SDRAM<br>RAM for global variables,%,libraries/RPC/examples/PortentaX8_EchoServer<br>flash,%,libraries/RPC/examples/PortentaX8_EchoServer<br>RAM for global variables,%,libraries/RPC/examples/RPC_m4<br>flash,%,libraries/RPC/examples/RPC_m4<br>RAM for global variables,%,libraries/RPC/examples/SerialPassthrough_RPC<br>flash,%,libraries/RPC/examples/SerialPassthrough_RPC<br>RAM for global variables,%,libraries/PDM/examples/PDMSerialPlotter<br>flash,%,libraries/PDM/examples/PDMSerialPlotter<br>RAM for global variables,%,libraries/Camera/examples/CameraCaptureRawBytes<br>flash,%,libraries/Camera/examples/CameraCaptureRawBytes<br>RAM for global variables,%,libraries/Camera/examples/CameraMotionDetect<br>flash,%,libraries/Camera/examples/CameraMotionDetect<br>RAM for global variables,%,libraries/Portenta_lvgl/examples/Portenta_lvgl<br>flash,%,libraries/Portenta_lvgl/examples/Portenta_lvgl<br>RAM for global variables,%,libraries/STM32H747_System/examples/QSPIFReadPartitions<br>flash,%,libraries/STM32H747_System/examples/QSPIFReadPartitions<br>RAM for global variables,%,libraries/STM32H747_System/examples/QSPIFormat<br>flash,%,libraries/STM32H747_System/examples/QSPIFormat<br>RAM for global variables,%,libraries/STM32H747_System/examples/STM32H747_getBootloaderInfo<br>flash,%,libraries/STM32H747_System/examples/STM32H747_getBootloaderInfo<br>RAM for global variables,%,libraries/STM32H747_System/examples/STM32H747_getResetReason<br>flash,%,libraries/STM32H747_System/examples/STM32H747_getResetReason<br>RAM for global variables,%,libraries/STM32H747_System/examples/STM32H747_manageBootloader<br>flash,%,libraries/STM32H747_System/examples/STM32H747_manageBootloader<br>RAM for global variables,%,libraries/STM32H747_System/examples/WiFiFirmwareUpdater<br>flash,%,libraries/STM32H747_System/examples/WiFiFirmwareUpdater<br>RAM for global variables,%,libraries/ThreadDebug/examples/ThreadDebug<br>flash,%,libraries/ThreadDebug/examples/ThreadDebug<br>RAM for global variables,%,libraries/USBHID/examples/Keyboard<br>flash,%,libraries/USBHID/examples/Keyboard<br>RAM for global variables,%,libraries/USBHID/examples/Mouse<br>flash,%,libraries/USBHID/examples/Mouse<br>RAM for global variables,%,libraries/USBHOST/examples/KeyboardController<br>flash,%,libraries/USBHOST/examples/KeyboardController<br>RAM for global variables,%,libraries/USBHOST/examples/Shell<br>flash,%,libraries/USBHOST/examples/Shell<br>RAM for global variables,%,libraries/USBMSD/examples/AccessFlashAsUSBDisk<br>flash,%,libraries/USBMSD/examples/AccessFlashAsUSBDisk<br>RAM for global variables,%,libraries/WiFi/examples/WiFiWebClient<br>flash,%,libraries/WiFi/examples/WiFiWebClient<br>RAM for global variables,%,libraries/GSM/examples/GNSSClient<br>flash,%,libraries/GSM/examples/GNSSClient<br>RAM for global variables,%,libraries/GSM/examples/GSMClient<br>flash,%,libraries/GSM/examples/GSMClient<br>RAM for global variables,%,libraries/GSM/examples/MicroNMEA_integration<br>flash,%,libraries/GSM/examples/MicroNMEA_integration<br>RAM for global variables,%,libraries/USBMSD/examples/Nano33BLE_FlashMassStorage<br>flash,%,libraries/USBMSD/examples/Nano33BLE_FlashMassStorage<br>RAM for global variables,%,/home/runner/Arduino/libraries/WiFiNINA/examples/AP_SimpleWebServer<br>flash,%,/home/runner/Arduino/libraries/WiFiNINA/examples/AP_SimpleWebServer<br>RAM for global variables,%,/home/runner/Arduino/libraries/WiFiNINA/examples/ConnectNoEncryption<br>flash,%,/home/runner/Arduino/libraries/WiFiNINA/examples/ConnectNoEncryption<br>RAM for global variables,%,/home/runner/Arduino/libraries/WiFiNINA/examples/ConnectWithWEP<br>flash,%,/home/runner/Arduino/libraries/WiFiNINA/examples/ConnectWithWEP<br>RAM for global variables,%,/home/runner/Arduino/libraries/WiFiNINA/examples/ConnectWithWPA<br>flash,%,/home/runner/Arduino/libraries/WiFiNINA/examples/ConnectWithWPA<br>RAM for global variables,%,/home/runner/Arduino/libraries/WiFiNINA/examples/ConnectWithWPA2Enterprise<br>flash,%,/home/runner/Arduino/libraries/WiFiNINA/examples/ConnectWithWPA2Enterprise<br>RAM for global variables,%,/home/runner/Arduino/libraries/WiFiNINA/examples/ScanNetworks<br>flash,%,/home/runner/Arduino/libraries/WiFiNINA/examples/ScanNetworks<br>RAM for global variables,%,/home/runner/Arduino/libraries/WiFiNINA/examples/ScanNetworksAdvanced<br>flash,%,/home/runner/Arduino/libraries/WiFiNINA/examples/ScanNetworksAdvanced<br>RAM for global variables,%,/home/runner/Arduino/libraries/WiFiNINA/examples/SimpleWebServerWiFi<br>flash,%,/home/runner/Arduino/libraries/WiFiNINA/examples/SimpleWebServerWiFi<br>RAM for global variables,%,/home/runner/Arduino/libraries/WiFiNINA/examples/Tools/CheckFirmwareVersion<br>flash,%,/home/runner/Arduino/libraries/WiFiNINA/examples/Tools/CheckFirmwareVersion<br>RAM for global variables,%,/home/runner/Arduino/libraries/WiFiNINA/examples/Tools/FirmwareUpdater<br>flash,%,/home/runner/Arduino/libraries/WiFiNINA/examples/Tools/FirmwareUpdater<br>RAM for global variables,%,/home/runner/Arduino/libraries/WiFiNINA/examples/Tools/SerialNINAPassthrough<br>flash,%,/home/runner/Arduino/libraries/WiFiNINA/examples/Tools/SerialNINAPassthrough<br>RAM for global variables,%,/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiChatServer<br>flash,%,/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiChatServer<br>RAM for global variables,%,/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiPing<br>flash,%,/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiPing<br>RAM for global variables,%,/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiSSLClient<br>flash,%,/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiSSLClient<br>RAM for global variables,%,/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiStorage<br>flash,%,/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiStorage<br>RAM for global variables,%,/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiUdpNtpClient<br>flash,%,/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiUdpNtpClient<br>RAM for global variables,%,/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiUdpSendReceiveString<br>flash,%,/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiUdpSendReceiveString<br>RAM for global variables,%,/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiWebClient<br>flash,%,/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiWebClient<br>RAM for global variables,%,/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiWebClientRepeating<br>flash,%,/home/runner/Arduino/libraries/WiFiNINA/examples/WiFiWebClientRepeating<br>RAM for global 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@sebromero
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@aqw42 Hi! I'm not sure I understand. You say "it works fine". Does that mean if you change the packet size it is sent successfully? It's a hardcoded value, so the user is not really supposed to change it. Can you elaborate?

@aqw42
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aqw42 commentedApr 7, 2023•
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@aqw42 Hi! I'm not sure I understand. You say "it works fine". Does that mean if you change the packet size it is sent successfully? It's a hardcoded value, so the user is not really supposed to change it. Can you elaborate?

So, if you try to send anything biggest than this value (which is low for a udp datagram) the datagram will be truncated and there is no kind of warning or any way to let the developer know.
I spent some time to find out it was coming from this hardcoded value. I propose as a temporary solution to avoid such problems to raise it to a reasonable value (or even a high value, it is the responsibility of the user to not send too big datagrams)

I think a better solution would be implementing a mechanism of parametrisation of this at compile time, plus a way of preventing silent truncation of the datagram (warning at compile time ? Don't know if we can determine statically the size passed to the call)
As you may have guessed, I don't know how to do this, and my knowledge of this kernel is very limited.
If you can suggest me a proper way of doing this, I'll be glad to do it

@sebromero
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@aqw42 Got it. Thank you for clarifying. We'll look into it.

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