diff options
Diffstat (limited to 'peripheral/libupm/src/mq303a/mq303a.cxx')
-rw-r--r-- | peripheral/libupm/src/mq303a/mq303a.cxx | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/peripheral/libupm/src/mq303a/mq303a.cxx b/peripheral/libupm/src/mq303a/mq303a.cxx deleted file mode 100644 index 612ffd5..0000000 --- a/peripheral/libupm/src/mq303a/mq303a.cxx +++ /dev/null @@ -1,69 +0,0 @@ -/* - * Author: Jon Trulson <jtrulson@ics.com> - * Copyright (c) 2014 Intel Corporation. - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sublicense, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE - * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -#include <iostream> -#include <string> -#include <stdexcept> - -#include "mq303a.h" - -using namespace upm; - -MQ303A::MQ303A(int pin, int heaterPin) -{ - if ( !(m_aio = mraa_aio_init(pin)) ) - { - throw std::invalid_argument(std::string(__FUNCTION__) + - ": mraa_aio_init() failed, invalid pin?"); - return; - } - - if ( !(m_gpio = mraa_gpio_init(heaterPin)) ) - { - throw std::invalid_argument(std::string(__FUNCTION__) + - ": mraa_gpio_init() failed, invalid pin?"); - return; - } - mraa_gpio_dir(m_gpio, MRAA_GPIO_OUT); -} - -MQ303A::~MQ303A() -{ - heaterEnable(false); - mraa_aio_close(m_aio); - mraa_gpio_close(m_gpio); -} - -int MQ303A::value() -{ - return (1023 - mraa_aio_read(m_aio)); -} - -void MQ303A::heaterEnable(bool enable) -{ - if (enable) - mraa_gpio_write(m_gpio, 0); // 0 turns on the heater - else - mraa_gpio_write(m_gpio, 1); // 1 turns off the heater -} |