AsReaderNFCDevice

sharedInstance

Creates and initializes an AsReaderNFCDevice object (Singleton pattern).

+ (instancetype)sharedInstance;

Return Value

Type	Description
instancetype	An AsReaderNFCDevice object

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sendData

Sends data.

- (BOOL)sendData:(NSData *)sendData;

Parameters

Name	Type	Description
sendData	NSData	Data to send

Return Value

Type	Description
BOOL	Method execution result: YES = success, NO = failure

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startScan

Starts the AsReader NFC scan.
After executing this method, the result is called back via receivedScanData.

- (BOOL)startScan;

Return Value

Type	Description
BOOL	Method execution result: YES = success, NO = failure

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stopScan

Stops scanning NFC tags on the AsReader device.

- (BOOL)stopScan;

Return Value

Type	Description
BOOL	Method execution result: YES = success, NO = failure

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readMultiBlockWithBlockIndex:count:

Reads multiple consecutive blocks of data on the IC tag memory with the specified UID.
After executing this method, the result is called back via nfcReadMultiBlockReceived.

- (BOOL)readMultiBlockWithBlockIndex:(int)index count:(int)count;

Parameters

Name	Type	Description
index	int	Starting block number (0–255)
count	int	Number of blocks to read (0–255)

Return Value

Type	Description
BOOL	Method execution result: YES = success, NO = failure

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writeSingleBlockWithBlockIndex:writeData:uid:

Writes data to a specified block in the IC tag memory with the specified UID.
After executing this method, the result is called back via nfcWriteSingleBlockStatusCode.

- (BOOL)writeSingleBlockWithBlockIndex:(int)index writeData:(NSData *)writeData uid:(NSData *)uid;

Parameters

Name	Type	Description
index	int	Starting block number (0–255)
writeData	NSData	Data to write (each block size is 4 bytes)
uid	NSData	NFC tag UID data

Return Value

Type	Description
BOOL	Method execution result: YES = success, NO = failure

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writeBytesWithBlockIndex:writeData:uid:

Writes data of specified byte length starting from the specified block with the specified UID.
After executing this method, the result is called back via nfcWriteBytesStatusCode.

- (BOOL)writeBytesWithBlockIndex:(int)index writeData:(NSData *)writeData uid:(NSData *)uid;

Parameters

Name	Type	Description
index	int	Starting block number (0–255)
writeData	NSData	Data to write (each block size is 4 bytes)
uid	NSData	NFC tag UID data

Return Value

Type	Description
BOOL	Method execution result: YES = success, NO = failure

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setInventoryTime

Sets the reading time.

- (BOOL)setInventoryTime:(float)inventoryTime;

Parameters

Name	Type	Description
inventoryTime	float	Inventory time

Return Value

Type	Description
BOOL	Method execution result: YES = success, NO = failure