HGKeeper

ee0047e58566

finished reworking pous libraries for RTC buzzer and backlight

UART_task_active = 0;

rt_task_resume(&UART_task);

rt_task_delete(&UART_task);

rt_task_join(&UART_task);

closeserial(UART_fd);

rt_mutex_delete(&UART_WriteMutex);

rt_mutex_delete(&UART_ReadMutex);