NavCom Sapphire Rev.J User Manual
Page 120
Sapphire Technical Reference Manual Rev. J
120
USBMODE] command in this manual.
Examples: [FSDRIVE]
Returns the current selected drive, its FAT, and the total space and free space in
bytes
[FSDRIVE]A: FAT32; TOTAL BYTES: 2050662400; FREE BYTES: 191737856
[FSDRIVE]A:
Selects the internal SD flash as the current drive
When using this command to change to drive B, the USB must be in Host mode
and a USB thumb drive must be attached to the port; otherwise, the following
message is output:
[FSDRIVE]B:
[FSDRIVE]B: DRIVE (USB THUMB DRIVE) NOT CONFIGURED
Once USB mode is changed to Mass Storage Device mode, the onboard file
system commands cannot access the SD flash. The following message is output:
[FSDRIVE]"ACCESS DENIED: USB IS IN MASS STORAGE MODE".
If the current drive is A, the USB mode is changed to Mass Storage Device mode,
and a command with no parameters is sent querying the current drive, the following
message is output:
[FSDRIVE]
[FSDRIVE]ACCESS DENIED: USB IS IN MASS STORAGE MODE
When changing the USB from Mass Storage Device mode to other modes, please
allow approximately 1 minute for the SD flash to be reconfigured and the onboard
file system to be reinitialized before implementing the onboard file system
commands.