Agilent-technologies VXI E1439 Manual do Utilizador descarregar pdf (Página 118)

108

Agilent E1439 Programmer's Reference

Functions listed alphabetically

age1439_fiber_error_get

This function returns the value of the fiber interface error register when the AGE1439_STATUS_

FIBER_ERROR bit is set.

VXIplug&play Syntax

#include "age1439".h

ViStatus age1439_fiber_error_get(ViSession id, ViInt16 fiberErrorPtr);

Description

age1439_fiber_error_get returns the fiber interface errors.

Parameter

id is the VXI instrument session pointer returned by the age1439_init function.

fiberErrorPtr points to the value of the fiber interface error. The bits are defined below:

Status Bit Definition

Numeric

Value

Description

9 FI_ERR_UNLOCKED 512 Indicates that the internal receive or transmit

clock is not properly locked. This could be

caused by a poor quality receive signal.

8 TX_ERR_OVERRUN 256 Indicates that data transmission is not

sustainable because the raw data bandwidth

has exceeded the available fiber capacity.

7 RX_ERR_FIFO_OVERFLOW 128 Indicates that data arriving on the fiber receive

port has been lost.

6 RX_ERR_SYNC_LOST 64 Indicates that the receiver did not detect the

synchronization signal.

5 RX_ERR_DISPARITY 32 Indicates an invalid stream of bits was

detected in the received data.

4 RX_ERR_CODE_VIOLATION 16 Indicates an invalid stream of bits was

detected in the received data.

3 RX_ERR_ALIGNMENT 8 Indicates an invalid stream of bits was

detected in the received data.

2 RX_ERR_BEGIN_DISPARITY 4 Indicates an invalid stream of bits was

detected in the received data.

1 RX_ERR_CRC 2 Indicates a cyclic redundancy check error has

occurred on the receiver of the fiber interface.

0 RX_ERR_SIGNAL LOST 1 Indicates the signal is no longer being received

on the fiber interface.

1 2 ... 113 114 115 116 117 118 119 120 121 122 123 ... 245 246

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