diff --git a/target_lo/Inc/cmsis_os.h b/target_lo/Inc/cmsis_os.h
index e4bc7b66..985e0e8b 100644
--- a/target_lo/Inc/cmsis_os.h
+++ b/target_lo/Inc/cmsis_os.h
@@ -74,3 +74,6 @@ BaseType_t xQueueSend(
 );
 
 BaseType_t xQueueReceive(QueueHandle_t xQueue, void *pvBuffer, TickType_t xTicksToWait);
+
+void* pvTaskGetThreadLocalStoragePointer(TaskHandle_t xTaskToQuery, BaseType_t xIndex);
+void vTaskSetThreadLocalStoragePointer(TaskHandle_t xTaskToSet, BaseType_t xIndex, void *pvValue);