comedi_get_buffer_write_count — streaming buffer write count


#include <comedilib.h>
int comedi_get_buffer_write_count(comedi_t * device,
 unsigned int subdevice,
 unsigned int * write_count);


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.