Horner APG QX651 OCS - Manual (Page 27)

MAN0798-04-EN CH. 6
August 20, 2009 Page 27 of 95 ECN # 979
6.6
System Registers used with CompactFlash
%SR175 Status – This shows the current status of the CompactFlash interface.
Possible status values are shown in the table:
Table 6.2 – CompactFlash Status Values
0 CompactFlash interface OK
1 Card present but unknown format
2 No card in slot
3 Card present, but not supported
4 Card swapped before operation was complete
5 Unknown error
%SR176 Free Space – This 32-bit register shows the free space on the ComapactFlash card in bytes.
%SR178 Card Capacity – This 32-bit register shows the total card capacity in bytes.