# adiStopSendingFSK

Stops sending frequency shift key (FSK) data.

#### Supported board types

- AG

- CG

#### Prototype

DWORD adiStopSendingFSK ( CTAHD ctahd)

Argument | Description
ctahd | Context handle returned by ctaCreateContext or ctaAttachContext.

#### Return values

Return value | Description
SUCCESS |
CTAERR_FUNCTION_NOT_ACTIVE | Attempt made to stop a function that was not running.
CTAERR_INVALID_CTAHD | Context handle is invalid.
CTAERR_INVALID_STATE | Function not available in the current port state.
CTAERR_SVR_COMM | Server communication error.

#### Events

Event | Description
ADIEVN_FSK_SEND_DONE | Generated by the ADI service when the send operation terminates. The event value field contains CTA_REASON_STOPPED (stopped by application request).

#### Details

Use adiStopSendingFSK to abort the transmission of FSK data initiated by adiStartSendingFSK. For more information, refer to Sending and receiving FSK data.