This means that while the computer is transferring images from the camera, the camera can continue to capture more images (more than one device can use the memory card). The advantage of protocols such as PTP (Picture Transfer Protocol) is that it's a logical protocol that ignores the notion of a block-storage device with an exclusive owner. when mounted by the computer, it cannot be used by the "camera" because the computer wants exclusive block level access to the file system. A "mass storage device" is typically "owned" by one controller. Which camera model do you have? Most "newer" cameras no longer connect to the computer as a "mass storage device". SMC9514 Hubīus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub SMSC9512/9514 Fast Ethernet Adapterīus 001 Device 002: ID 0424:9514 Standard Microsystems Corp. PowerShot A620 (PTP mode)īus 001 Device 003: ID 0424:ec00 Standard Microsystems Corp. Wheel Mouse Opticalīus 001 Device 007: ID 04a9:30fc Canon, Inc. ├─mmcblk0p5 179:5 0 32M 0 part /media/pi/SETTINGS7īus 001 Device 006: ID 1c4f:0002 SiGma Micro Keyboard TRACER Gamma Ivoryīus 001 Device 005: ID 045e:0040 Microsoft Corp. lsblk gives the following and not the /dev/sda paths $ lsblk I want to unmount or eject it but I dont know how to find the device name to supply to the unmount or eject command. I have a canon camera plugged into the usb of my Pi.
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