I have a USB that publish a composite driver (IOUSBCompositeDriver): SCSI commands and Mass Storage device. I would like to develop a simple software that send commands to mount/unmount the mass storage device. I don't have problems with Windows (using file descriptors over USB path) and Linux (using /dev/sd? interface).
- Is that possible in MacOS?
- Is it possible without install a custom driver?
I'm trying to access using /dev/rdisk?s1 but always receive problem "Bad file descriptor". In other way, I try with IOService and creating an interface without success.
Thanks in advance.
Chema
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