Callback_wln_pre_buffrq()

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Description:

Callback procedure, informs of the insufficient number of free buffer pages available for use by the library. Procedure body has to be created elsewhere in the project (externally with respect to the library).

Syntax:

sub callback_wln_pre_buffrq(required_buff_pages as byte)

Returns:

---

See Also:

Step-by-step Usage Instructions, Operation Details, The Simplest Example

 


Part

Description

required_buffer_pages

The number of additional buffer pages that the WLN library needs to operate. Your application must free up at least this number of buffer pages within callback_wln_pre_buffrq() or wln_start() will fail with the WLN_STATUS_INSUFFICIENT_BUFFER_SPACE status code.

Details

This procedure will be called only if there are not enough buffer pages available.