diff options
Diffstat (limited to 'opl/opl.h')
-rw-r--r-- | opl/opl.h | 16 |
1 files changed, 16 insertions, 0 deletions
@@ -27,6 +27,8 @@ #ifndef OPL_OPL_H #define OPL_OPL_H +typedef void (*opl_callback_t)(void *data); + typedef enum { OPL_REGISTER_PORT = 0, @@ -72,5 +74,19 @@ void OPL_WritePort(opl_port_t port, unsigned int value); unsigned int OPL_ReadPort(opl_port_t port); +// Set a timer callback. After the specified number of milliseconds +// have elapsed, the callback will be invoked. + +void OPL_SetCallback(unsigned int ms, opl_callback_t callback, void *data); + +// Begin critical section, during which, OPL callbacks will not be +// invoked. + +void OPL_Lock(void); + +// End critical section. + +void OPL_Unlock(void); + #endif |