diff options
Diffstat (limited to 'src/osal/osal_none.h')
| -rw-r--r-- | src/osal/osal_none.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/src/osal/osal_none.h b/src/osal/osal_none.h index 9c80e4548..5f407378e 100644 --- a/src/osal/osal_none.h +++ b/src/osal/osal_none.h @@ -1,4 +1,4 @@ -/* +/* * The MIT License (MIT) * * Copyright (c) 2019 Ha Thach (tinyusb.org) @@ -35,6 +35,10 @@ // TASK API //--------------------------------------------------------------------+ +#if CFG_TUH_ENABLED +// currently only needed/available in host mode +void osal_task_delay(uint32_t msec); +#endif //--------------------------------------------------------------------+ // Binary Semaphore API @@ -82,6 +86,10 @@ TU_ATTR_ALWAYS_INLINE static inline void osal_semaphore_reset(osal_semaphore_t s typedef osal_semaphore_def_t osal_mutex_def_t; typedef osal_semaphore_t osal_mutex_t; +#if OSAL_MUTEX_REQUIRED +// Note: multiple cores MCUs usually do provide IPC API for mutex +// or we can use std atomic function + TU_ATTR_ALWAYS_INLINE static inline osal_mutex_t osal_mutex_create(osal_mutex_def_t* mdef) { mdef->count = 1; @@ -98,6 +106,14 @@ TU_ATTR_ALWAYS_INLINE static inline bool osal_mutex_unlock(osal_mutex_t mutex_hd return osal_semaphore_post(mutex_hdl, false); } +#else + +#define osal_mutex_create(_mdef) (NULL) +#define osal_mutex_lock(_mutex_hdl, _ms) (true) +#define osal_mutex_unlock(_mutex_hdl) (true) + +#endif + //--------------------------------------------------------------------+ // QUEUE API //--------------------------------------------------------------------+ |