1.2.20.6 1.9.18.6 1.25.19.6 1.26.17.6 1.27.19.6 1.28.22.6 SDMMCx_IsCmdLineBusy Function
C
/* x = SDMMC instance number */ bool SDMMCx_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; false otherwise. The status of the command line must be checked before issuing a new command.
Precondition
SDMMCx_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 (SDMMC1_IsCmdLineBusy() == false) { // Command line is free. Transmit a new command. }
Remarks
None.