System functions
System function are used in conjunction with thread safety. Please check Thread safety section for more information
- group LWPRINTF_SYS
System functions when used with operating system.
Functions
-
uint8_t lwprintf_sys_mutex_create(LWPRINTF_CFG_OS_MUTEX_HANDLE *m)
Create a new mutex and assign value to handle.
- Parameters
m – [out] Output variable to save mutex handle
- Returns
1
on success,0
otherwise
-
uint8_t lwprintf_sys_mutex_isvalid(LWPRINTF_CFG_OS_MUTEX_HANDLE *m)
Check if mutex handle is valid.
- Parameters
m – [in] Mutex handle to check if valid
- Returns
1
on success,0
otherwise
-
uint8_t lwprintf_sys_mutex_wait(LWPRINTF_CFG_OS_MUTEX_HANDLE *m)
Wait for a mutex until ready (unlimited time)
- Parameters
m – [in] Mutex handle to wait for
- Returns
1
on success,0
otherwise
-
uint8_t lwprintf_sys_mutex_release(LWPRINTF_CFG_OS_MUTEX_HANDLE *m)
Release already locked mutex.
- Parameters
m – [in] Mutex handle to release
- Returns
1
on success,0
otherwise
-
uint8_t lwprintf_sys_mutex_create(LWPRINTF_CFG_OS_MUTEX_HANDLE *m)