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lib/cmsis_rtos_v1: Implement support for Signal Event APIs

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Signals are used to trigger execution states between threads.
These APIs provide functionalities like signal set, clear and
wait.

Signed-off-by: Rajavardhan Gundi <rajavardhan.gundi@intel.com>
This commit is contained in:
Rajavardhan Gundi 2018-08-02 16:09:39 +05:30 • committed by Anas Nashif
commit b5df23e423
5 changed files with 188 additions and 1 deletions
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7
include/cmsis_rtos_v1/cmsis_os.h
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@ -169,6 +169,9 @@ typedef struct os_thread_def {
uint32_t stacksize; ///< stack size requirements in bytes; 0 is default stack size
void *stack_mem; ///< pointer to array of stack memory
struct k_thread *cm_thread; ///< pointer to k_thread structure
struct k_poll_signal *poll_signal;
struct k_poll_event *poll_event;
int32_t signal_results;
} osThreadDef_t;
/// Timer Definition structure contains timer parameters.
@ -283,8 +286,10 @@ extern const osThreadDef_t os_thread_def_##name
#define osThreadDef(name, priority, instances, stacksz) \
static K_THREAD_STACK_ARRAY_DEFINE(stacks_##name, instances, CONFIG_CMSIS_THREAD_MAX_STACK_SIZE); \
static struct k_thread cm_thread_##name[instances]; \
static struct k_poll_signal wait_signal_##name; \
static struct k_poll_event wait_events_##name; \
static osThreadDef_t os_thread_def_##name = \
{ (name), (priority), (instances), (stacksz), (void *)(stacks_##name), (cm_thread_##name)}
{ (name), (priority), (instances), (stacksz), (void *)(stacks_##name), (cm_thread_##name), (&wait_signal_##name), (&wait_events_##name), 0 }
#endif
/// Access a Thread definition.