lpcmanager

New widget HMI:DropDownIndexed was created to accommodate runtime changes of dropdown options, as well as mitigate string length limitations. Redmine issue #4530
pthread_mutex_lock(&UART_WakeCondLock);
UART_task_active = 0;
pthread_cond_signal(&UART_WakeCond);
pthread_mutex_unlock(&UART_WakeCondLock);
pthread_join(UART_task, NULL);
closeserial(UART_fd);