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##

# 2.54.4 HSMCI_BlockCountSet Function

## C

    void HSMCI_BlockCountSet ( uint16_t numBlocks )

## Summary

Sets the number of blocks to transfer

## Description

Sets the number of blocks to transfer for a multi-block transfer. For example, the block count must be set to the appropriate value before issuing the multi-block read (CMD 18) or write (CMD 25) commands. For single blcok read (CMD 17) or write (CMD24) commands, the block count must be set to 1.

## Precondition

HSMCI_Initialize() must have been called first.

## Parameters

Param | Description
--- | ---
numBlocks | Number of blocks to transfer

## Returns

None.

## Example

    HSMCI_BlockCountSet(1);

## Remarks

None.