diff options
author | Paul Selkirk <paul@psgd.org> | 2017-04-29 23:24:37 -0400 |
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committer | Paul Selkirk <paul@psgd.org> | 2017-04-29 23:24:37 -0400 |
commit | 73b784eac101085b8734d2188ae59b5295a80839 (patch) | |
tree | be0fc88813aaf5c7c8198e2ab35caa7748897a02 /task.c | |
parent | e0e97a5217bbb2a198d23ac632de97b4ebe0e44a (diff) |
Add minimal mutexes to the minimal tasking system
Diffstat (limited to 'task.c')
-rw-r--r-- | task.c | 13 |
1 files changed, 13 insertions, 0 deletions
@@ -326,3 +326,16 @@ void task_delay(uint32_t delay) while ((HAL_GetTick() - tickstart) < delay) task_yield(); } + +void task_mutex_lock(task_mutex_t *mutex) +{ + while (mutex->locked) + task_yield(); + mutex->locked = 1; +} + +void task_mutex_unlock(task_mutex_t *mutex) +{ + if (mutex != NULL) + mutex->locked = 0; +} |