There seems to be many instances of this issue popping up throughout the posts/threads. The latest work with i2c_bus_scan.uf2 was performed on rpi3 with freshly loaded pico_setup.sh execution and on new pico from latest batch purchased, so definitely have seen this with different picos. I have tried to fix the issue with this particular program by adding "pico_enable_stdio_usb(_usb 1)" to the CMakeLists.txtĮdit: I currently have about 15 picos. The most recent tests were done with example.
I don't believe i have seen this issue in that scenario but i am not certain. I also dev in another setup where SWD is used for loading C executables. Please advise if i should start a new thread to raise visibility of what i believe to be systemic problem. Unless someone can help me resolve this issue i propose that the "Solved" be removed from the thread. On the rpi4, i've tried all the different usb ports. I see this behavior when developing on rpi4 or rpi3 and with different usb cables. Also seems that there are instances where the ttyACM0 is sort-of available. FAT-fs (sda1): unable to read boot sector to mark fs as dirtyĪfter which ttyACM0 never attaches or is available. usb 1-1.2: USB disconnect, device number 6
sd 0:0:0:0: Attached SCSI removable disk This is where I am lost.I continue to have problems with loading c executables to rpi pico via the uf2 method then having this sort of dmesg output I am trying to find the device MBED inside the /dev/ directory, so that I can read its serial output. How would I find out the MBED device's association in /dev/? In the event they are, that is the tag for my embedded device). Next to every device's name above, but I removed them for formatting issues (as I don't think they're related to the question).
I can see the embedded device plugged in +-o Root Hub Simulation +-o | "PortNum" = 2 Ioreg -p IOUSB -l -b | grep -E Serial Number" I know the device connects on baudrate 115200. I am trying to plug in a device into my Macbook and connect to it to read it's serial port.
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