Function esp_idf_svc::hal::sys::xStreamBufferSpacesAvailable

source ยท 
pub unsafe extern "C" fn xStreamBufferSpacesAvailable(
    xStreamBuffer: *mut StreamBufferDef_t,
) -> usize
Expand description

Queries a stream buffer to see how much free space it contains, which is equal to the amount of data that can be sent to the stream buffer before it is full.

@param xStreamBuffer The handle of the stream buffer being queried.

@return The number of bytes that can be written to the stream buffer before the stream buffer would be full.

\ingroup StreamBufferManagement