CONTROLINK86 SMSC, CONTROLINK86 Datasheet - Page 54

• Manufacturer Part Number: CONTROLINK86
• Description: Development Software Embedded Networking Software
• Manufacturer: SMSC

Specifications of CONTROLINK86

• Tool Function: Compiler
• Tool Type: Compiler
• Processor Series: 80x86
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ControLink86 Realtime Networking Software
R
R
R
4.6.19check_network_status()
R
R
R
R
R
OUTINE
OUTINE
OUTINE
OUTINE
OUTINE
OUTINE
OUTINE
OUTINE
none
…
/* write two bytes into the page 0. offset 0, from the user_buffer[ ] */
USIGN8 user_buffer[2] = {1, 2};
…
write_data(0, 0, 2, user_buffer);
…
This is an auxiliary function to check whether the MAC layer (network) is alive, tokens are
passed or the medium is undergoing a reconfiguration.
USIGN8 check_network_status(void);
none
P
R
E
D
P
P
R
E
Parameter
page
offset
count
shortlong
user_buffer
Action
Token seen but reconfiguration
occurred (single node network)
The token bit is not being set (the
node does not recognize any
tokens)
The tokens are being passed, there
is at least one other node on the
network
ARAMETERS
XAMPLE
ROTOTYPE
ARAMETERS
XAMPLE
ETURN
ESCRIPTION
ETURN
V
V
:
:
ALUES
ALUES
:
:
:
:
:
:
Description
page number of the COM2002x Packet RAM.
These are 512-byte pages. The valid numbers are
0, 1, 2, 3
offset from the beginning of the page specified by
the page parameter
number of bytes to write to the Packet RAM
specifies if the amount of data exceeds the length
of a short packet (253 bytes)
pointer to the location, from which the data to the
Packet RAM must be copied.
Result
E_ONE_NODE
E_NO_TOKEN
E_OK
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