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##

# 2.54.6 HSMCI_IsDatLineBusy Function

## C

    bool HSMCI_IsDatLineBusy (void)

## Summary

Returns the status of the data line.

## Description

The status of the data line must be checked before initiating a data transfer.

## Precondition

HSMCI_Initialize() must have been called first.

## Parameters

None.

## Returns

true - If the data line is busy.

false - If the data line is ready.

## Example

    if (HSMCI_IsDatLineBusy() == false)
    {
        // Transmit next data
    }

## Remarks

None.