1.22.24.6 1.32.25.6 SDHCx_IsCmdLineBusy Function

C

/* x = SDHC instance number (x is applicable only on devices with more than one instances of SDHC) */

bool SDHCx_IsCmdLineBusy ( void )

Summary

Returns the status of the command line

Description

This function returns the state of the command line. If the command line is busy, the function returns true; returns false otherwise. The status of the command line must be checked before issuing a new command.

Precondition

SDHCx_Initialize() must have been called first for the associated instance.

Parameters

None.

Returns

true - If the command line is busy.

false - If the command line is ready.

Example

if (SDHC1_IsCmdLineBusy() == false)
{
    // Command line is free. Transmit a new command.
}

Remarks

None.