Name
comedi_get_buffer_write_count — streaming buffer write count
Synopsis
#include <comedilib.h>
int comedi_get_buffer_write_count( | comedi_t * device, |
| unsigned int subdevice, |
| unsigned int * write_count) ; |
Description
The function comedi_get_buffer_write_count
is used on
a subdevice that has a Comedi command in progress to get the number of bytes
that have been written to the buffer, modulo
UINT_MAX
+ 1
. The
value is stored in
*write_count
.
Return value
On success, 0
is returned.
On failure, -1
is returned.