Embedded/lvgl
1
0
Fork 0
mirror of https://github.com/lvgl/lvgl.git synced 2025-01-14 06:42:58 +08:00
Code Issues Projects Releases Wiki Activity

feat(freertos) Implement lv_mutex_lock_isr().

Browse Source 
Signed-off-by: Nicușor Cîțu <nicusor.citu@nxp.com>
This commit is contained in:
Nicușor Cîțu 2023-07-10 15:15:58 +03:00 committed by Gabor Kiss-Vamosi
parent 141c70dba1
commit 2415dbf217
1 changed files with 18 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
src/osal/lv_freertos.c
View File

@ -119,7 +119,24 @@ lv_res_t lv_mutex_lock(lv_mutex_t * pxMutex)
lv_res_t lv_mutex_lock_isr(lv_mutex_t * pxMutex) lv_res_t lv_mutex_lock_isr(lv_mutex_t * pxMutex)
{ {
//xSemaphoreTakeFromISR(); /* If mutex in uninitialized, perform initialization. */
prvInitializeMutex(pxMutex);
BaseType_t xHigherPriorityTaskWoken = pdFALSE;
BaseType_t xMutexTakeStatus = xSemaphoreTakeFromISR(pxMutex->xMutex, &xHigherPriorityTaskWoken);
if(xMutexTakeStatus != pdTRUE) {
LV_LOG_ERROR("xSemaphoreTake failed!");
return LV_RES_INV;
}
/* If xHigherPriorityTaskWoken is now set to pdTRUE then a context switch
should be performed to ensure the interrupt returns directly to the highest
priority task. The macro used for this purpose is dependent on the port in
use and may be called portEND_SWITCHING_ISR(). */
portYIELD_FROM_ISR(xHigherPriorityTaskWoken);
return LV_RES_OK;
} }
lv_res_t lv_mutex_unlock(lv_mutex_t * pxMutex) lv_res_t lv_mutex_unlock(lv_mutex_t * pxMutex)