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nvnoflags(void); *
Removes all flags (generated using nvsetflag) from non-vol memory.
nvsetport( unsigned int port, unsigned int value);
Put a record i n t h e "record" area that tells the firmware t o initialize a
particular port. A t the end of the power-up sequence,
value
is stored in
port.
Example:
nvsetport(01,#HF); - sets port 01 to value #HF at power on.
nvnoset( void);
Remove all set port records (generated using
nvsetport)
from non-vol memory.
Used when an initial value different from the reset value of a port is no longer
desired.
Example:
nvnoset(); - removes the values set for all ports in non-vol.
nvsetvxireg(
unsigned int register_num, unsigned int value);
Put a record in non-vol that will cause
register_num
of the VXI registers to
get initialized to
value
instead of it's regular value. T h i s might be used to
customize something like the manufacturer's ID or the model number. Note:
improper usage of this command may cause a violation of the VXlbus standard.
Use with caution.
Example:
nvsetvxireg(0,1011111111111011); - Stores the following
information into the VXlbus registers: message based device, A16
only, and sets the manufacturers ID code to 4091.
Please consult VXlbus specification revision 1.3, page 106 before
using.
nvnovxireg( void);
Remove all records from non-vol that would be used to initialize VXI registers
(generated by
nvsetvxireg).
nvsetvect(
int vector_num, void(*isr)());
Store an address of routine
isr
in
vector_num
of the system block's vectors.
These vectors are used during power-up to setup interrupt vectors, etc. A n
address of zero causes the vector to be ignored.
Example:
nvsetvect(26,#H10046); - stores the address (#H10046) of
the routine in system block vector 26.
A-4
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