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<a href="https://gitlab.rtems.org/opticron">Kinsey Moore</a>
commented on a
<a href="https://gitlab.rtems.org/rtems/rtos/rtems/-/issues/5527#note_146578">discussion</a>:
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<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial">You'd do best with hello.exe for now using the branch specified above. I'm doing some cleanup right now to get interrupts fully functional and I'll be verifying ticker this weekend (most likley) or possibly even tonight. After buildinghe commands you need are:</p>
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<pre data-canonical-lang="none" class="code highlight js-syntax-highlight language-plaintext" v-pre="true" style="display: block; font-size: 14px; color: #3a383f; line-height: 1.6em; overflow-x: auto; border-radius: .25rem; position: relative; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: break-all; word-wrap: break-word; background-color: #fbfafd; margin: 0 0 1rem; padding: 12px; border: 1px solid #dcdcde;"><code style="font-size: inherit; color: inherit; word-wrap: normal; word-break: keep-all; background-color: inherit; border-radius: .25rem; white-space: pre; margin-top: 0; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; overflow-wrap: normal; padding: unset;"><span id="LC1" class="line" lang="plaintext" style="margin-top: 0;">riscv-rtems7-objcopy -O binary build/riscv/esp32c3db/testsuites/samples/hello.exe hello.bin</span>
<span id="LC2" class="line" lang="plaintext">esptool --port /dev/ttyACM0 --baud 921600 write_flash 0x0 hello.bin</span></code></pre>
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<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial">If you have a TTL serial to USB adapter, I'd recommend using that since it will show you all output (it requires setting <code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0; font-weight: inherit; overflow-wrap: break-word; white-space: break-spaces; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: keep-all; padding: 0.125rem 0.25rem;">ESPRESSIF_USE_USB_CONSOLE=false</code> in config.ini).</p>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial">Currently, the integrated USB-serial interface does not wait for the link to come up so especially fast execution can lead to a lack of output. To see this output, you'll need a recent version of OpenOCD.</p>
<p dir="auto" style="color: #3a383f; margin: 0 0 1rem;" align="initial">After you download the code, you'll run with <code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0; font-weight: inherit; overflow-wrap: break-word; white-space: break-spaces; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: keep-all; padding: 0.125rem 0.25rem;">openocd -f board/esp32c3-builtin.cfg</code> and then you can use GDB to attach (<code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; font-weight: inherit; overflow-wrap: break-word; white-space: break-spaces; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: keep-all; padding: 0.125rem 0.25rem;">riscv-rtems7-gdb build/riscv/esp32c3db/testsuites/samples/hello.exe</code>) with command <code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; font-weight: inherit; overflow-wrap: break-word; white-space: break-spaces; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: keep-all; padding: 0.125rem 0.25rem;">tar ext :3333</code>.</p>
<p dir="auto" style="color: #3a383f; margin: 0;" align="initial">After that, you can use minicom or another serial port terminal emulator to access /dev/ttyACM0 and then run the GDB command <code style="font-size: 90%; color: #18171d; word-wrap: break-word; background-color: #ececef; border-radius: .25rem; margin-top: 0; font-weight: inherit; overflow-wrap: break-word; white-space: break-spaces; font-family: "GitLab Mono", "JetBrains Mono", "Menlo", "DejaVu Sans Mono", "Liberation Mono", "Consolas", "Ubuntu Mono", "Courier New", "andale mono", "lucida console", monospace; font-variant-ligatures: none; word-break: keep-all; padding: 0.125rem 0.25rem;">monitor reset</code>. This will cause the CPU to reset without tearing down the USB connection and you will be able to see the output.</p>
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