# dscCancelOp

```c
BYTE dscCancelOp(DSCB board)
```

Terminates all currently running interrupt operations on the board. If there is no current interrupt operation on the board (OP\_TYPE\_NONE), the function will return DE\_NONE\_IN\_PROGRESS.

{% tabs %}
{% tab title="Input Parameters" %}

| Name          | Description                           |
| ------------- | ------------------------------------- |
| DSCB          | The handle of the board to operate on |
| {% endtab %}  |                                       |
| {% endtabs %} |                                       |

| Return Value     |
| ---------------- |
| Error code or 0. |