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