[I] [HELP] Minimum configuration for CDC ECM to work? [nuttx]</span></a></span> </h1> <p class="darkgray font13"> <span class="sender pipe"><a href="/search?l=commits@nuttx.apache.org&q=from:%22via+GitHub%22" rel="nofollow"><span itemprop="author" itemscope itemtype="http://schema.org/Person"><span itemprop="name">via GitHub</span></span></a></span> <span class="date"><a href="/search?l=commits@nuttx.apache.org&q=date:20250220" rel="nofollow">Thu, 20 Feb 2025 06:32:17 -0800</a></span> </p> </div> <div itemprop="articleBody" class="msgBody"> <!--X-Body-of-Message--> <pre> tao-at-pricer opened a new issue, #15880: URL: <a rel="nofollow" href="https://github.com/apache/nuttx/issues/15880">https://github.com/apache/nuttx/issues/15880</a></pre><pre> ### Description Dear community, I've been having trouble to get USB CDC ECM to work, tried on both Raspberry Pi Zero W and STM32F4Discovery. There doesn't seem to be examples of how to configure this profile. I tried to get it show up in Debian as a standalone device, and as a composite together with a CDC ACM, the ACM worked fine, but couldn't see ECM popping up. My latest configure for STM32F4Discovery looks like this (composite and NOT working): ```Makefile CONFIG_ARCH="arm" CONFIG_ARCH_BOARD="stm32f4discovery" CONFIG_ARCH_BOARD_STM32F4_DISCOVERY=y CONFIG_ARCH_BUTTONS=y CONFIG_ARCH_CHIP="stm32" CONFIG_ARCH_CHIP_STM32=y CONFIG_ARCH_CHIP_STM32F407VG=y CONFIG_ARCH_LEDS_CPU_ACTIVITY=y CONFIG_ARCH_STACKDUMP=y CONFIG_BOARDCTL_USBDEVCTRL=y CONFIG_BOARD_LOOPSPERMSEC=16717 CONFIG_BUILTIN=y CONFIG_CDCACM=y CONFIG_CDCACM_COMPOSITE=y CONFIG_CDCACM_CONSOLE=y CONFIG_CDCACM_RXBUFSIZE=256 CONFIG_CDCACM_TXBUFSIZE=256 CONFIG_CDCECM_COMPOSITE=y CONFIG_COMPOSITE_IAD=y CONFIG_DEBUG_FULLOPT=y CONFIG_DEBUG_SYMBOLS=y CONFIG_EXAMPLES_HELLO=y CONFIG_FS_PROCFS=y CONFIG_HAVE_CXX=y CONFIG_HAVE_CXXINITIALIZE=y CONFIG_IDLETHREAD_STACKSIZE=2048 CONFIG_INIT_ENTRYPOINT="nsh_main" CONFIG_INTELHEX_BINARY=y CONFIG_IOB_NBUFFERS=8 CONFIG_IOB_NCHAINS=0 CONFIG_IOB_THROTTLE=0 CONFIG_LINE_MAX=64 CONFIG_MM_REGIONS=2 CONFIG_NETINIT_NOMAC=y CONFIG_NETINIT_THREAD=y CONFIG_NETUTILS_PING=y CONFIG_NET_CDCECM=y CONFIG_NET_LOOPBACK=y CONFIG_NET_LOOPBACK_PKTSIZE=64 CONFIG_NET_MBIM=y CONFIG_NET_TCP=y CONFIG_NET_TCP_WRITE_BUFFERS=y CONFIG_NSH_ARCHINIT=y CONFIG_NSH_BUILTIN_APPS=y CONFIG_NSH_FILEIOSIZE=512 CONFIG_NSH_READLINE=y CONFIG_PREALLOC_TIMERS=4 CONFIG_RAMLOG=y CONFIG_RAMLOG_BUFSIZE=4096 CONFIG_RAMLOG_SYSLOG=y CONFIG_RAM_SIZE=114688 CONFIG_RAM_START=0x20000000 CONFIG_RAW_BINARY=y CONFIG_RR_INTERVAL=200 CONFIG_SCHED_HPWORK=y CONFIG_SCHED_LPWORK=y CONFIG_SCHED_WAITPID=y CONFIG_STACK_COLORATION=y CONFIG_START_DAY=27 CONFIG_START_YEAR=2013 CONFIG_STM32_JTAG_SW_ENABLE=y CONFIG_STM32_OTGFS=y CONFIG_STM32_PWR=y CONFIG_STM32_SPI1=y CONFIG_STM32_USART2=y CONFIG_SYSTEM_NSH=y CONFIG_USBDEV=y CONFIG_USBDEV_COMPOSITE=y CONFIG_WQUEUE_NOTIFIER=y ``` ### Verification - [x] I have verified before submitting the report. -- This is an automated message from the Apache Git Service. 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To unsubscribe, e-mail: commits-unsubscr...@nuttx.apache.org.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org </pre> </div> <div class="msgButtons margintopdouble"> <ul class="overflow"> <li class="msgButtonItems"><a class="button buttonleft " accesskey="p" href="msg133224.html">Previous message</a></li> <li class="msgButtonItems textaligncenter"><a class="button" accesskey="c" href="index.html#133226">View by thread</a></li> <li class="msgButtonItems textaligncenter"><a class="button" accesskey="i" href="mail2.html#133226">View by date</a></li> <li class="msgButtonItems textalignright"><a class="button buttonright " accesskey="n" href="msg133258.html">Next message</a></li> </ul> </div> <a name="tslice"></a> <div class="tSliceList margintopdouble"> <ul class="icons monospace"> <li class="icons-email tSliceCur"><span class="subject">[I] [HELP] <title> Minimum configuration for CDC ECM to w...</span> <span class="sender italic">via GitHub</span></li> <li><ul> <li class="icons-email"><span class="subject"><a href="msg133258.html">Re: [I] [HELP] <title> Minimum configuration for CDC...</a></span> <span class="sender italic">via GitHub</span></li> <li class="icons-email"><span class="subject"><a href="msg133264.html">Re: [I] [HELP] <title> Minimum configuration for CDC...</a></span> <span class="sender italic">via GitHub</span></li> <li class="icons-email"><span class="subject"><a href="msg133353.html">Re: [I] [HELP] <title> Minimum configuration for CDC...</a></span> <span class="sender italic">via GitHub</span></li> <li class="icons-email"><span class="subject"><a href="msg133361.html">Re: [I] [HELP] Minimum configuration for CDC ECM to work? ...</a></span> <span class="sender italic">via GitHub</span></li> <li class="icons-email"><span class="subject"><a href="msg133375.html">Re: [I] [HELP] Minimum configuration for CDC ECM to work? ...</a></span> <span class="sender italic">via GitHub</span></li> <li class="icons-email"><span class="subject"><a href="msg133395.html">Re: [I] [HELP] Minimum configuration for CDC ECM to work? ...</a></span> <span class="sender italic">via GitHub</span></li> <li class="icons-email"><span class="subject"><a href="msg133396.html">Re: [I] [HELP] Minimum configuration for CDC ECM to work? ...</a></span> <span class="sender italic">via GitHub</span></li> <li class="icons-email"><span class="subject"><a href="msg133401.html">Re: [I] [HELP] Minimum configuration for CDC ECM to work? ...</a></span> <span class="sender italic">via GitHub</span></li> <li class="icons-email"><span class="subject"><a href="msg133407.html">Re: [I] [HELP] Minimum configuration for CDC ECM to work? ...</a></span> <span class="sender italic">via GitHub</span></li> <li class="icons-email"><span class="subject"><a href="msg133423.html">Re: [I] [HELP] Minimum configuration for CDC ECM to work? ...</a></span> <span class="sender italic">via GitHub</span></li> </ul> </ul> </div> <div class="overflow msgActions margintopdouble"> <div class="msgReply" > <h2> Reply via email to </h2> <form method="POST" action="/mailto.php"> <input type="hidden" name="subject" value="[I] [HELP] <title> Minimum configuration for CDC ECM to work? 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