Bird Technologies SignalHawk - Manual (Page 19)

Reference
7
Remarks
Call shGetDeviceList(…) to get a list of available PC Hawk devices.
The shDevices_t structure returned by shGetDeviceList() contains a
list of serial numbers.
Call shDisconnect(…) to release the connection.
Note:
Only one device can be connected at a time.
shDisconnect
This function disconnects from the Signal Hawk RF Module.
int BIRD_SH_API shDisconnect(shConnection_t* Connection);
Arguments
Returns
Note:
Returns an error code indicating the status of the
operation:
SH_ERROR_USB_SELECTED_
DEVICE_NOT_FOUND The driver did not find the requested
device.
SH_ERROR_USB_LIBRARY_
NOT_INITIALIZED The USB driver library has not been
initialized. Call shInitialize() to load and
initialize the USB libraries before using
other functions of the API.
SH_ERROR_USB_CONNECTION
_FAILED There was a problem with the USB
driver.
Other Call shGetLastError() for information on
the specific error.
Connection Pointer to a structure of type
shConnection_t to hold the context for
the connection.
ERROR_SUCCESS Initialization was successful.
SH_ERROR_INVALID_
ARGUMENT One or more of the arguments was not
valid.
SH_ERROR_DEVICE_NOT_
CONNECTED No device is connected.
SH_ERROR_SELECTED_
DEVICE_NOT_CONNECTED The specified device is not connected.
Others Call shGetLastError() for information on
the specific error.