In non-blocking mode calls to hid_read() will return
immediately with a value of 0 if there is no data to be
read. In blocking mode, hid_read() will wait (block) until
there is data to read before returning.
Nonblocking can be turned on and off at any time.
@ingroup API
@param device A device handle returned from hid_open().
@param nonblock enable or not the nonblocking reads
- 1 to enable nonblocking
- 0 to disable nonblocking.
@returns
This function returns 0 on success and -1 on error.
@brief Set the device handle to be non-blocking.
In non-blocking mode calls to hid_read() will return immediately with a value of 0 if there is no data to be read. In blocking mode, hid_read() will wait (block) until there is data to read before returning.
Nonblocking can be turned on and off at any time.
@ingroup API @param device A device handle returned from hid_open(). @param nonblock enable or not the nonblocking reads - 1 to enable nonblocking - 0 to disable nonblocking.
@returns This function returns 0 on success and -1 on error.