1.22.24.5 1.32.25.5 SDHCx_IsDatLineBusy Function
C
/* x = SDHC instance number (x is applicable only on devices with more than one instances of SDHC) */ bool SDHCx_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
SDHCx_Initialize() must have been called first for the associated instance.
Parameters
None.
Returns
true - If the data line is busy.
false - If the data line is ready.
Example
if (SDHC1_IsDatLineBusy() == false) { // Transmit next data }
Remarks
This function must be called to check the status of Commands with busy signal (example R1b).