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Open topic with navigation CAPL Functions » FlexRay » frGetNullFrameRate

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frGetNullFrameRate

Valid for: CANoe DE • CANoe4SW DE Note FlexRay bus statistics for CAPL is deactivated by default and must be activated before calling this function. You can do this by calling function frEnableStatistics in an on start handler, see example below.

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Function Syntax

long frGetNullFrameRate(long channel, ValueSelector selector, long channelMask);

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Description

Gets the null frame rate (including null frames resulting from unused slots in cyclic multiplexing) of a FlexRay channel in frames per second [fr/s]. The kind of value to be returned (average, current, maximum or minimum) can be selected.

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Parameters

  • channel
    FlexRay channel (1…32).
  • selector
    Value selector:
    • eCurrValue = current
    • eMinValue = minimum
    • eMaxValue = maximum
    • eAvgValue = average
  • channelMask
    Channel mask
    • 1 = subchannel A
    • 2 = subchannel B

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Return Values

Null frame rate in frames per second, if FlexRay statistics is enabled; 0 otherwise.

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Example

on start
{
  frEnableStatistics(1, 1); // Enable FlexRay statistics on channel 1
}

void myStatisticFunc()
{
  long value;

  value = frGetNullFrameRate(1, eAvgValue, 1); // Channel 1, average, subchannel A
  // … do something with the value …
}