lpcmanager

Added buzzer block.

2017-05-17, dgaberscek
12b31893a57f
Added buzzer block.
rt_task_delete(&UART_task);
rt_task_join(&UART_task);
closeserial(UART_fd);
gpio_close(RS485_GPIO_dev);
rt_mutex_delete(&UART_WriteMutex);
rt_mutex_delete(&UART_ReadMutex);