9cfbc87924
Used for getting the path to the character device under linux for uart device. i.e. "/dev/ttyS0" Adds paths to existing platforms. Closes #84 Signed-off-by: Thomas Ingleby <thomas.c.ingleby@intel.com>
74 lines
2.2 KiB
C++
74 lines
2.2 KiB
C++
/*
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* Author: Brendan Le Foll <brendan.le.foll@intel.com>
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* Copyright (c) 2014 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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#include "uart.h"
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#include <stdexcept>
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namespace mraa {
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/**
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* @brief API to UART (enabling only)
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*
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* This file defines the UART interface for libmraa
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*/
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class Uart {
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public:
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/**
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* Uart Constructor, takes a pin number which will map directly to the
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* linux uart number, this 'enables' the uart, nothing more
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*
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* @param uart the index of the uart set to use
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*/
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Uart(int uart) {
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m_uart = mraa_uart_init(uart);
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if (m_uart == NULL) {
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throw std::invalid_argument("Error initialising UART");
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}
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}
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/**
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* Uart destructor
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*/
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~Uart() {
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return;
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}
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/**
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* Get string with tty device path within Linux
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* For example. Could point to "/dev/ttyS0"
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*
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* @return char pointer of device path
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*/
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std::string getDevicePath() {
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std::string ret_val(mraa_uart_get_dev_path(m_uart));
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return ret_val;
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}
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private:
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mraa_uart_context m_uart;
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};
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}
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