diff options
Diffstat (limited to 'src/osal')
| -rw-r--r-- | src/osal/osal.h | 21 | ||||
| -rw-r--r-- | src/osal/osal_none.h | 12 |
2 files changed, 26 insertions, 7 deletions
diff --git a/src/osal/osal.h b/src/osal/osal.h index 9d11866df..9cdab2882 100644 --- a/src/osal/osal.h +++ b/src/osal/osal.h @@ -33,17 +33,24 @@ #include "common/tusb_common.h" -// Return immediately -#define OSAL_TIMEOUT_NOTIMEOUT (0) -// Default timeout -#define OSAL_TIMEOUT_NORMAL (10) -// Wait forever -#define OSAL_TIMEOUT_WAIT_FOREVER (UINT32_MAX) +typedef void (*osal_task_func_t)( void * ); +// Timeout +#define OSAL_TIMEOUT_NOTIMEOUT (0) // Return immediately +#define OSAL_TIMEOUT_NORMAL (10) // Default timeout +#define OSAL_TIMEOUT_WAIT_FOREVER (UINT32_MAX) // Wait forever #define OSAL_TIMEOUT_CONTROL_XFER OSAL_TIMEOUT_WAIT_FOREVER -typedef void (*osal_task_func_t)( void * ); +// Mutex is required when using a preempted RTOS or MCU has multiple cores +#if (CFG_TUSB_OS == OPT_OS_NONE) && !TUP_MCU_MULTIPLE_CORE + #define OSAL_MUTEX_REQUIRED 0 + #define OSAL_MUTEX_DEF(_name) +#else + #define OSAL_MUTEX_REQUIRED 1 + #define OSAL_MUTEX_DEF(_name) osal_mutex_def_t _name +#endif +// OS thin implementation #if CFG_TUSB_OS == OPT_OS_NONE #include "osal_none.h" #elif CFG_TUSB_OS == OPT_OS_FREERTOS diff --git a/src/osal/osal_none.h b/src/osal/osal_none.h index 9c80e4548..1ad130557 100644 --- a/src/osal/osal_none.h +++ b/src/osal/osal_none.h @@ -82,6 +82,10 @@ 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 +102,14 @@ 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 //--------------------------------------------------------------------+ |