lpcmanager

Smarteh RS485 bus: Rx timeout changed from 50 ms to 20 ms (slaves answer in approx. 10 ms). Timeout is žset outside while loop because select() decreases timeout gradually.
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);