Yamaha CS-700 Operation Manual page 102

event_callback
type
Return Values:
Value
-1
0
1
2
Event Types:
Type
0xFF
devDetach
Description: Disconnect session.
Syntax:
EXPORT void __cdecl devDetach(void);
Return Values:
Value
-1
0
isConnected
Description: Get the USB connection status.
Syntax:
EXPORT int __cdecl isConnected(void);
Return Values:
Value
-1
0
1
2
Pointer to callback function to handle events.
Type of event as listed in table below.
Description
General error
Success
No device connected
Failed authentication
Description
Device disconnected
Description
General error
Success
Description
General error
Not connected
Connected HID
Connected Bulk
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